1 2006-12-05 Eric Christopher <echristo@apple.com>
3 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
5 (DARWIN_DYLIB1_SPEC): New.
6 (DARWIN_CRT1_SPEC): New.
7 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
9 * config/i386/darwin.h: Ditto.
10 * config/rs6000/darwin.h: Ditto.
12 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
14 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
15 * tree-complex.c (pass_lower_complex): Ditto.
16 * tree-ssa-ccp.c (pass_ccp): Ditto.
17 (pass_store_ccp): Ditto.
18 * tree-ssa-dom.c (pass_dominator): Ditto.
19 (pass_phi_only_cprop): Ditto.
20 * tree-sra.c (pass_sra): Ditto.
21 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
22 * tree-flow.h (updating_used_alone): Remove.
23 (updating_used_alone): Ditto.
24 * tree-ssa-alias.c (updating_used_alone): Remove variable.
25 (lhs_may_store_to): Remove function.
26 (recalculate_used_alone): Ditto.
27 (compute_may_aliases): Remove used_alone calculation.
28 * tree.h (struct tree_memory_tag): Remove is_used_alone and
29 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
30 * tree-pass.h (PROP_smt_usage): Remove.
31 * passes.c (execute_todo): Remove used alone recalculation.
32 (execute_one_pass): Ditto.
33 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
36 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
38 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
40 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
42 PR tree-optimization/14784
43 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
45 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
47 Merge from gimple-tuples-branch.
49 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
51 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
53 (s390_gimplify_va_arg): Same.
54 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
55 * config/sh/sh.c (sh_va_start): Same.
56 (sh_gimplify_va_arg_expr): Same.
57 * config/xtensa/xtensa.c (xtensa_va_start): Same.
58 (xtensa_gimplify_va_arg_expr): Same.
59 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
60 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
61 * config/mips/mips.c (mips_va_start): Same.
62 (mips_gimplify_va_arg_expr): Same.
64 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
66 * Merge from mainline at revision 119445.
68 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
70 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
72 (spu_gimplify_va_arg_expr): Same.
74 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
76 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
77 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
78 (xstormy16_expand_builtin_va_arg): Same.
80 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
82 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
83 to GIMPLE_MODIFY_STMT.
85 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
87 * config/alpha/alpha.c (va_list_skip_additions): Change all
88 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
89 (alpha_va_start): Same.
90 (alpha_gimplify_va_arg_1): Same.
91 (alpha_gimplify_va_arg): Same.
93 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
95 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
97 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
99 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
100 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
102 * tree-complex.c: Same.
103 * tree-pretty-print.c: Same.
107 * fold-const.c: Same.
108 * tree-ssa-dom.c: Same.
109 * tree-ssa-propagate.c: Same.
110 * tree-ssa-alias.c: Same.
111 * gimple-low.c: Same.
113 * c-pretty-print.c: Same.
115 * tree-inline.c: Same.
116 * tree-outof-ssa.c: Same.
117 * tree-ssa-structalias.c: Same.
118 * tree-ssa-reassoc.c: Same.
121 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
123 * tree.c (build2_stat): Fix comment.
125 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
127 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
128 TREE_OPERAND when appropriate.
130 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
132 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
133 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
134 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
135 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
136 not handle GIMPLE_MODIFY_STMT in the switch statement.
137 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
138 (java_gimplify_new_array_init): Same.
140 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
142 * gimplify.c (gimplify_omp_for): Allow gimple statements.
143 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
144 * fold-const.c (fold_binary): Allow gimple statements.
146 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
147 Rename from gfc_conv_descriptor_data_set.
148 Call gfc_add_modify instead of gfc_add_modify_expr.
149 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
150 Rename from gfc_conv_descriptor_data_set.
151 (gfc_conv_descriptor_data_set): New macro.
152 (gfc_conv_descriptor_data_set_tuples): New macros.
153 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
154 gfc_conv_descriptor_data_set_tuples.
155 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
156 Generate GIMPLE_MODIFY_STMT when appropriate.
157 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
158 (gfc_add_modify_expr): New macro.
159 (gfc_add_modify_stmt): New macro.
160 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
162 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
164 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
165 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
168 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
170 * Merge from mainline at revision 118200.
172 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
174 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
177 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
179 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
181 Also, add __extension__ to GCC versions.
182 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
183 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
186 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
188 * tree-complex.c (expand_complex_libcall): Adjust for
190 (expand_complex_comparison): Same.
191 * tree-pretty-print.c (dump_generic_node): Is_expr should include
192 GIMPLE_STMT_P statements.
193 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
195 (tree_mod_pow2_value_transform): Same.
196 (tree_mod_subtract_transform): Same.
197 * tree.c (build2_stat): Check for gimplified function in cfun.
198 * tree.h (DECL_GIMPLIFIED): Delete.
199 (struct tree_function_decl): Remove gimplified_flag.
200 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
201 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
202 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
203 (cxx_omp_clause_copy_ctor): Same.
204 (cxx_omp_clause_assign_op): Same.
205 * c-pretty-print.c (pp_c_conditional_expression): Same.
206 (pp_c_expression): Same.
207 * langhooks.c (lhd_omp_predetermined_sharing): Same.
208 * function.h (struct function): Add gimplified field.
209 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
211 (find_phi_replacement_condition): Same.
212 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
213 (gimplify_modify_expr_to_memset): Same.
214 (gimplify_init_ctor_eval_range): Same.
215 (gimplify_modify_expr_complex_part): Same.
216 (tree_to_gimple_tuple): Same.
217 (gimplify_modify_expr): Same.
218 (gimple_push_cleanup): Same.
219 (gimplify_omp_for): Same.
220 (gimplify_omp_atomic_pipeline): Same.
221 (gimplify_omp_atomic_mutex): Same.
222 (gimplify_expr): Same.
223 (gimplify_one_sizepos): Same.
224 (gimplify_function_tree): Same.
225 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
226 (vect_recog_widen_sum_pattern): Same.
227 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
228 (vect_create_epilog_for_reduction): Same.
229 (vectorizable_reduction): Same.
231 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
233 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
234 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
235 (ifc_temp_var): Same.
236 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
237 for gimple statements.
238 (vect_analyze_operations): Same.
239 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
240 * gimplify.c (gimplify_return_expr): Handle gimple statements.
241 * lambda-code.c (can_put_in_inner_loop): Same.
242 (can_put_after_inner_loop): Same.
243 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
244 (vect_create_data_ref_ptr): Same.
245 (vect_init_vector): Same.
246 (vect_get_vec_def_for_operand): Same.
247 (vect_create_epilog_for_reduction): Same.
248 (vectorizable_reduction): Same.
249 (vectorizable_assignment): Same.
250 (vectorizable_operation): Same.
251 (vectorizable_load): Same.
252 (vectorizable_condition): Same.
253 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
254 (rs6000_gimplify_va_arg): Same.
256 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
258 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
260 (simplify_abs_using_ranges): Same.
261 * tree-complex.c (expand_complex_operations_1): Use
262 PROTECTED_TREE_OPERAND.
263 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
265 (get_val_for): Use GIMPLE_STMT_OPERAND.
266 * tree-tailcall.c (adjust_accumulator_values): Same.
267 (adjust_return_value): Same.
268 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
269 case. Remove special case for tcc_gimple_stmt.
270 * tree.h (CAN_HAVE_LOCATION_P): New.
271 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
273 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
274 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
275 * tree-nrv.c (execute_return_slot_opt): Same.
276 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
277 * tree-vn.c (set_value_handle): Same.
278 (get_value_handle): Same.
279 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
280 * tree-vectorizer.c (find_loop_location): Same.
281 * c-typeck.c (c_process_expr_stmt): Same.
282 (c_finish_stmt_expr): Same.
283 * gimplify.c (should_carry_locus_p): Same.
284 (tree_to_gimple_tuple): Delete definition and use of unecessary
285 variable save_tree_block.
286 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
287 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
288 (realify_fake_stores): Same.
289 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
291 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
292 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
293 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
294 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
295 (c_parser_statement_after_labels): Same.
296 (c_parser_paren_condition): Same.
297 (c_parser_for_statement): Same.
298 (c_parser_omp_for_loop): Same.
299 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
300 (linearize_expr_tree): Same.
301 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
302 * function.c (instantiate_expr): Same.
304 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
306 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
307 (set_expr_location): Same.
309 (set_expr_locus): Same.
310 (expr_filename): Same.
312 (tree_block): Use GIMPLE_STMT_BLOCK.
313 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
314 * tree.h (struct gimple_stmt): Remove prev and next.
315 (GIMPLE_STMT_OPERAND_CHECK): New.
316 (TREE_TO_GIMPLE_STMT): Delete.
317 (GIMPLE_STMT_TO_TREE): Delete.
318 (GIMPLE_STMT_OPERAND): Use union, not cast.
319 (GIMPLE_STMT_LOCUS): New.
320 (GIMPLE_STMT_BLOCK): New.
321 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
323 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
325 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
327 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
329 * tree-tailcall.c (adjust_return_value): Same.
330 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
331 (copy_node_stat): Change common.base to base.
332 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
333 Remove GIMPLE_STATEMENT_LIST case.
334 * tree.h (struct gimple_stmt): Make operands of type tree.
335 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
336 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
337 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
338 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
339 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
340 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
341 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
342 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
343 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
344 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
345 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
346 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
347 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
348 Change common.base to base.
349 (GIMPLE_STATEMENT_LIST*): Remove.
350 (union tree_node): Add base. Remove gimple_statement_list.
351 Remove pointer from gstmt.
352 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
353 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
354 * tree-vn.c (vn_compute): Change common.base to base.
355 * tree-eh.c (verify_eh_throw_stmt_node): Same.
356 * tree-flow-inline.h (var_ann): Same.
357 (function_ann): Same.
359 (mark_non_addressable): Same.
360 * gimplify.c (tree_to_gimple_tuple): Same.
361 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
362 * tree-dfa.c (create_var_ann): Change common.base to base.
363 (create_function_ann): Same.
364 (create_stmt_ann): Same.
365 (create_tree_ann): Same.
366 (collect_dfa_stats_r): Same.
367 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
368 * tree-ssa-dce.c (NECESSARY): Same.
369 * tree-ssa.c (delete_tree_ssa): Same.
370 * tree-optimize.c (execute_free_cfg_annotations): Same.
373 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
375 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
376 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
378 * tree.h (struct gimple_stmt): Add prev and next fields.
379 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
380 (GIMPLE_STATEMENT_LIST_HEAD): New.
381 (GIMPLE_STATEMENT_LIST_TAIL): New.
382 (struct gimple_statement_list): New.
383 (union tree_node): Add gimple_stmt_list and gstmt.
384 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
385 * tree.def: Add GIMPLE_STATEMENT_LIST.
387 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
389 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
390 * tree-vrp.c (build_assert_expr_for): Change uses of
391 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
392 (find_assert_locations): Same.
393 (remove_range_assertions): Same.
394 (stmt_interesting_for_vrp): Same.
395 (vrp_visit_assignment): Same.
396 (vrp_visit_stmt): Same.
397 (simplify_cond_using_ranges): Same.
398 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
400 * tree-ssa-loop-im.c (movement_possibility): Change uses of
401 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
403 (determine_invariantness_stmt): Same.
405 (gather_mem_refs_stmt): Same.
406 * tree-complex.c (init_dont_simulate_again): Same.
407 (complex_visit_stmt): Same.
408 (set_component_ssa_name): Same.
409 (expand_complex_move): Same.
410 (expand_complex_div_wide): Same.
411 (expand_complex_comparison): Same.
412 (expand_complex_operations_1): Same.
413 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
414 (chain_of_csts_start): Same.
415 (infer_loop_bounds_from_undefined): Same.
416 * tree-pretty-print.c (dump_generic_node): Same.
419 * tree-ssa-loop-manip.c (create_iv): Same.
420 * value-prof.c (tree_divmod_fixed_value): Same.
421 (tree_divmod_fixed_value_transform): Same.
422 (tree_mod_pow2): Same.
423 (tree_mod_pow2_value_transform): Same.
424 (tree_mod_subtract): Same.
425 (tree_mod_subtract_transform): Same.
426 (tree_divmod_values_to_profile): Same.
427 * tree-tailcall.c (process_assignment): Same.
428 (find_tail_calls): Same.
429 (adjust_accumulator_values): Same.
430 (adjust_return_value): Same.
431 (eliminate_tail_call): Same.
432 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
433 (make_node_stat): Same.
434 (copy_node_stat): Handle gimple tuples.
435 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
436 (tree_node_structure): Handle tcc_gimple_stmt.
437 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
439 (build2_gimple_stat): New.
440 (expr_location): New.
441 (set_expr_location): New.
442 (expr_has_location): New.
444 (set_expr_locus): New.
445 (expr_filename): New.
447 (walk_tree): Handle tcc_gimple_stmt.
449 (protected_tree_operand): New.
450 (protected_tree_type): New.
451 (tree_code_kind): Add gimple statements.
452 * tree.h (tree_code_class): Add tcc_gimple_stmt.
453 (IS_GIMPLE_STMT_CODE_CLASS): New.
454 (struct tree_base): New.
455 (struct tree_common): Shrink.
456 (struct gimple_stmt): New.
457 (struct gimple_expr): New.
458 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
459 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
460 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
461 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
462 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
463 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
464 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
465 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
466 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
467 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
468 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
469 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
470 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
471 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
472 Adjust for new `common' layout.
473 (struct tree_function_decl): Add gimplified_flag.
474 (DECL_GIMPLIFIED): NEW.
475 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
476 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
477 EXPR_HAS_LOCATION): Call corresponding function.
478 (GIMPLE_STMT_CHECK): New.
479 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
480 (TREE_BLOCK): Call tree_block.
481 (GIMPLE_STMT_P): New.
482 (GIMPLE_TUPLE_P): New.
483 (TREE_TO_GIMPLE_STMT): New.
484 (GIMPLE_STMT_TO_TREE): New.
485 (GIMPLE_STMT_OPERAND): New.
486 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
487 (PROTECTED_TREE_OPERAND): New.
488 (PROTECTED_TREE_TYPE): New.
489 (build2_gimple_stat): Protoize.
490 (build2_gimple): New.
491 (expr_location): Protoize.
492 (set_expr_location): Protoize.
493 (expr_has_location): Protoize.
494 (expr_locus): Protoize.
495 (set_expr_locus): Protoize.
496 (expr_filename): Protoize.
497 (expr_lineno): Protoize.
498 (tree_block): Protoize.
499 (protected_tree_operand): Protoize.
500 (protected_tree_type): Protoize.
501 (enum tree_node_kind): Add gimple_stmt_kind.
502 * c-decl.c (union lang_tree_node): Tuples do not have a
504 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
505 GIMPLE_MODIFY_STMT and adjust accordingly.
506 * tree-scalar-evolution.c (follow_ssa_edge): Same.
507 (interpret_condition_phi): Same.
508 (pointer_used_p): Same.
509 (analyze_scalar_evolution_1): Same.
510 (scev_const_prop): Same.
511 (interpret_rhs_modify_stmt): Rename from
512 interpret_rhs_modify_expr.
513 * builtins.c (std_expand_builtin_va_start): Change uses of
514 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
515 (std_gimplify_va_arg_expr): Same.
516 (expand_builtin_va_copy): Same.
517 (integer_valued_real_p): Same.
518 * fold-const.c (maybe_lvalue_p): Same.
520 (tree_expr_nonnegative_p): Same.
521 (tree_expr_nonzero_p): Same.
522 * omp-low.c (extract_omp_for_data): Same.
523 (lower_rec_input_clauses): Same.
524 (lower_reduction_clauses): Same.
525 (lower_copyprivate_clauses): Same.
526 (lower_send_clauses): Same.
527 (lower_send_shared_vars): Same.
528 (expand_parallel_call): Same.
529 (expand_omp_parallel): Same.
530 (expand_omp_for_generic): Same.
531 (expand_omp_for_static_nochunk): Same.
532 (expand_omp_for_static_chunk): Same.
533 (expand_omp_sections): Same.
534 (lower_omp_single_copy): Same.
535 (lower_omp_parallel): Same.
536 * tree-ssa-dse.c (memory_address_same): Same.
537 (dse_optimize_stmt): Same.
538 * ipa-reference.c (scan_for_static_refs): Same.
539 * tree-gimple.c (is_gimple_reg_rhs): Same.
540 (get_call_expr_in): Same.
541 (recalculate_side_effects): Same.
542 * cgraphunit.c (cgraph_create_edges): Same.
543 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
544 * tree-ssa-ccp.c (get_default_value): Same.
545 (likely_value): Same.
546 (visit_assignment): Same.
547 (ccp_visit_stmt): Same.
548 (get_maxval_strlen): Same.
549 (ccp_fold_builtin): Same.
550 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
551 (find_givs_in_stmt): Same.
552 (find_interesting_uses_op): Same.
553 (find_interesting_uses_stmt): Same.
554 (rewrite_use_nonlinear_expr): Same.
555 * ipa-pure-const.c (scan_function): Same.
556 * tree-stdarg.c (va_list_counter_bump): Same.
557 (check_all_va_list_escapes): Same.
558 (execute_optimize_stdarg): Same.
559 * tree-ssa-math-opts.c (compute_merit): Same.
560 (insert_reciprocals): Same.
561 (execute_cse_reciprocals): Same.
562 * tree-ssa-dom.c (initialize_hash_element): Same.
563 (simple_iv_increment_p): Same.
564 (record_equivalences_from_stmt): Same.
565 (optimize_stmt): Same.
566 (remove_stmt_or_phi): Same.
567 (get_rhs_or_phi_arg): Same.
568 (get_lhs_or_phi_result): Same.
569 (propagate_rhs_into_lhs): Same.
570 * tree-nrv.c (tree_nrv): Same.
571 (execute_return_slot_opt): Same.
572 * tree-ssa-propagate.c (get_rhs): Same.
574 (stmt_makes_single_load): Same.
575 (stmt_makes_single_store): Same.
576 (replace_vuses_in): Same.
577 (fold_predicate_in): Same.
578 (substitute_and_fold): Same.
579 * tree-ssa-alias.c (compute_call_clobbered): Same.
580 (recalculate_used_alone): Same.
581 (count_uses_and_derefs): Same.
582 (is_escape_site): Same.
583 (find_used_portions): Same.
584 * gimple-low.c (lower_stmt): Same.
585 (block_may_fallthru): Same.
586 (lower_return_expr): Same.
587 * tree-ssa-sink.c (is_hidden_global_store): Same.
588 (statement_sink_location): Same.
589 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
590 * expr.c (safe_from_p): Same.
591 (expand_expr_real): Same.
592 (expand_expr_real_1): Same.
593 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
594 * predict.c (expr_expected_value): Same.
595 (strip_builtin_expect): Same.
596 (apply_return_prediction): Same.
597 (tree_bb_level_predictions): Same.
598 (tree_estimate_probability): Same.
599 * tree-vn.c (vn_compute): Same.
600 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
601 (remove_stmt_from_eh_region_fn): Same.
602 (do_return_redirection): Same.
603 (honor_protect_cleanup_actions): Same.
604 (lower_try_finally_switch): Same.
605 (lower_eh_constructs_1): Same.
606 (tree_could_throw_p): Same.
607 (verify_eh_throw_stmt_node): Same.
608 * function.c (gimplify_parameters): Same.
609 * tree-vectorizer.c (vect_is_simple_use): Same.
610 (vect_is_simple_reduction): Same.
611 * ipa-type-escape.c (scan_for_refs): Same.
612 * tree-if-conv.c (tree_if_conversion): Same.
613 (tree_if_convert_stmt): Same.
614 (if_convertible_gimplify_modify_stmt_p): Rename from
615 if_convertible_modify_expr_p.
616 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
617 (ifc_temp_var): Same.
618 (replace_phi_with_cond_modify_stmt): Rename from
619 replace_phi_with_cond_modify_expr.
620 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
621 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
622 * tree-data-ref.c (find_data_references_in_loop): Adjust for
624 * tree-flow-inline.h (var_ann): Same.
625 (function_ann): Same.
627 (mark_non_addressable): Same.
628 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
629 * gimplify.c (tree_to_gimple_tuple): New.
630 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
631 (gimplify_return_expr): Same.
632 (gimplify_decl_expr): Same.
633 (gimplify_self_mod_expr): Same.
634 (gimplify_cond_expr): Same.
635 (gimplify_init_constructor): Same.
636 (gimplify_modify_expr): Same.
637 (gimplify_expr): Same.
638 (gimplify_function_tree): Same.
639 (force_gimple_operand): Same.
640 * tree-ssa-phiopt.c (conditional_replacement): Same.
641 (minmax_replacement): Same.
642 (abs_replacement): Same.
643 * tree-dfa.c (create_var_ann): Same.
644 (create_function_ann): Same.
645 (create_stmt_ann): Same.
646 (create_tree_ann): Same.
647 (collect_dfa_stats_r): Same.
648 * tree-ssa-pre.c (find_or_generate_expression): Same.
649 (create_expression_by_pieces): Same.
650 (try_look_through_load): Same.
651 (insert_fake_stores): Same.
652 (realify_fake_stores): Same.
653 (compute_avail): Same.
656 (poolify_modify_stmt): Rename from poolify_modify_stmt.
657 Adjust for GIMPLE_MODIFY_STMT.
658 (NECESSARY): Adjust for new `common' layout.
659 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
661 * tree-sra.c (sra_walk_modify_stmt): Rename from
662 sra_walk_modify_expr.
663 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
664 (generate_copy_inout): Same.
665 (generate_element_copy): Same.
666 (generate_element_zero): Same.
667 (scalarize_copy): Same.
668 * tree-mudflap.c (mf_decl_cache_locals): Same.
669 (mf_build_check_statement_for): Same.
670 (mf_xform_derefs): Same.
671 * ipa-prop.c (ipa_method_modify_stmt): Same.
672 * print-tree.c (print_node): Handle gimple tuples.
673 Add case for tcc_gimple_stmt.
674 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
676 (copy_prop_visit_assignment): Same.
677 (copy_prop_visit_stmt): Same.
678 (init_copy_prop): Same.
679 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
680 (forward_propagate_into_cond_1): Same.
681 (find_equivalent_equality_comparison): Same.
682 (tidy_after_forward_propagate_addr): Same.
683 (forward_propagate_addr_expr_1): Same.
684 (simplify_not_neg_expr): Same.
685 (simplify_switch_expr): Same.
686 * tree-ssa-dce.c (find_pdom): Same.
687 (mark_stmt_if_obviously_necessary): Same.
688 (NECESSARY): Adjust for new `common' layout.
690 * tree-vect-patterns.c (widened_name_p): Adjust for
692 (vect_recog_dot_prod_pattern): Same.
693 (vect_recog_widen_sum_pattern): Same.
694 (vect_pattern_recog_1): Same.
695 * tree-nested.c (init_tmp_var): Same.
696 (save_tmp_var): Same.
698 (convert_call_expr): Same.
699 (finalize_nesting_tree_1): Same.
700 * tree-ssa.c (verify_ssa): Same.
701 (delete_tree_ssa): Same.
702 * lambda-code.c (lbv_to_gcc_expression): Same.
703 (lle_to_gcc_expression): Same.
704 (lambda_loopnest_to_gcc_loopnest): Same.
705 (can_put_in_inner_loop): Same.
706 (can_convert_to_perfect_nest): Same.
707 (perfect_nestify): Same.
708 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
709 * tree-inline.c (copy_body_r): Same.
710 (setup_one_parameter): Same.
711 (initialize_inlined_parameters): Same.
712 (estimate_num_insns_1): Same.
713 (expand_call_inline): Same.
714 (gimple_expand_calls_inline): Same.
716 * tree-optimize.c (execute_free_cfg_annotations): Same.
717 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
718 (vect_align_data_ref): Same.
719 (vect_create_data_ref_ptr): Same.
720 (vect_init_vector): Same.
721 (vect_create_epilog_for_reduction): Same.
722 (vectorizable_reduction): Same.
723 (vectorizable_assignment): Same.
724 (vectorizable_operation): Same.
725 (vectorizable_store): Same.
726 (vectorizable_load): Same.
727 (vectorizable_live_operation): Same.
728 (vectorizable_condition): Same.
729 (vect_generate_tmps_on_preheader): Same.
730 (vect_create_cond_for_align_checks): Same.
731 * tree-object-size.c (collect_object_sizes_for): Same.
732 (check_for_plus_in_loops_1): Same.
733 (check_for_plus_in_loops): Same.
734 * tree-outof-ssa.c (insert_copy_on_edge): Same.
735 (replace_use_variable): Same.
736 (check_replaceable): Same.
737 (rewrite_trees): Same.
738 (identical_copies_p): Same.
739 (insert_backedge_copies): Same.
740 * tree-profile.c (tree_gen_edge_profiler): Same.
741 * tree-vect-generic.c (expand_vector_operations_1): Same.
742 * tree-ssa-structalias.c (update_alias_info): Same.
743 (find_func_aliases): Same.
744 * tree-cfg.c (factor_computed_gotos): Same.
746 (make_goto_expr_edges): Same.
747 (tree_merge_blocks): Same.
748 (remove_useless_stmts_cond): Same.
749 (remove_useless_stmts_1): Same.
750 (tree_find_edge_insert_loc): Same.
752 (gimplify_val): Same.
753 (verify_gimple_tuples_1): New.
754 (verify_gimple_tuples): New.
755 (verify_stmts): Call verify_gimple_tuples.
756 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
757 (get_unary_op): Same.
758 (linearize_expr): Same.
759 (get_single_immediate_use): Same.
760 (negate_value): Same.
761 (should_break_up_subtract): Same.
762 (break_up_subtract): Same.
763 (repropagate_negates): Same.
764 (break_up_subtract_bb): Same.
765 (reassociate_bb): Same.
766 * config/i386/i386.c (ix86_va_start): Same.
767 (ix86_gimplify_va_arg): Same.
768 * stmt.c (expand_expr_stmt): Same.
769 (warn_if_unused_value): Same.
770 (expand_return): Same.
771 * tree-ssanames.c (make_ssa_name): Same.
772 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
773 * tree-ssa-operands.c (finalize_ssa_defs): Same.
774 (add_virtual_operand): Same.
775 (get_expr_operands): Same.
776 (parse_ssa_operands): Same.
777 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
779 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
781 * config.host: Remove extra blank line.
783 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
785 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
786 target is also an x86 variant.
788 2006-12-05 Richard Guenther <rguenther@suse.de>
790 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
791 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
792 (ix86_builtin_vectorized_function): New function to vectorize
795 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
797 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
798 ia64_override_options.
800 2006-12-04 Jan Hubicka <jh@suse.cz>
802 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
805 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
807 * rtlanal.c (note_uses): Deal with SEQUENCEs.
808 * config/bfin/bfin.c: Include "timevar.h".
809 (bfin_flag_schedule_insns2, splitting_for_sched,
810 bfin_flag_var_tracking): New variables.
811 (print_operand): Handle '%!'.
812 (override_options): Disable normal sched2 pass, instead set
813 bfin_flag_schedule_insns2 for reorg to handle it.
814 (output_file_start): Likewise for var-tracking.
815 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
816 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
818 (bfin_reorg): Do second scheduling pass here, and call
819 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
820 of examining insns directly. If bfin_flag_var_tracking, call
821 var-tracking pass when done with everything else.
822 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
823 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
824 (movsi_insn32): New pattern, with two new splits to create it
825 before the final scheduling pass.
826 (neghi2): Not a dsp32 insn, rather alu0.
827 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
828 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
829 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
830 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
831 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
832 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
833 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
834 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
835 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
836 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
837 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
838 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
839 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
840 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
841 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
842 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
843 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
844 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
845 variants instead of ';'.
846 (ror_one, rol_one): Likewise. Make them dsp32 insns.
847 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
848 (align8, align16, align24): Now named patterns; also using '%!'.
851 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
853 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
854 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
856 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
858 * config/spu/spu-protos.c (spu_split_address): Add.
859 * config/spu/spu.c (spu_split_address): Add.
860 (print_operand): Handle HIGH.
861 (spu_legitimate_address): Don't test for aligned CONST.
862 (spu_expand_mov): Don't split addresses here.
863 * config/spu/constraints.md (A): Don't test legitimate_const.
864 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
865 (ceq_di): Use correct predicates.
867 2006-12-04 Eric Christopher <echristo@apple.com>
869 * config/darwin.h: Update copyright notice.
870 * config/i386/darwin.h: Ditto.
872 2006-12-04 Jan Hubicka <jh@suse.cz>
874 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
875 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
877 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
879 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
881 * tree-ssa-structalias.c (set_used_smts): Export.
882 (find_what_p_points_to): Don't call set_used_smts here.
883 * tree-ssa-structalias.h (set_used_smts): Add prototype.
885 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
887 * tree-ssa-alias.c (compute_may_aliases):
888 Compute flow sensitive before flow insensitive.
889 (compute_flow_sensitive_aliasing): Don't try to add
890 a symbol memory tag to itself.
892 * alias.h (alias_set_subset_of): New prototype.
894 * alias.c (alias_set_subset_of): New function.
896 * tree-ssa-structalias.c: Update comments.
897 (struct variable_info): Add finished_solution.
898 (new_varinfo): Set finished solution to NULL.
899 (var_escaped_vars): Remove.
900 (escaped_vars_tree): Remove.
901 (escaped_vars_id): Remove.
902 (nonlocal_vars_id): Remove.
903 (constraint_expr_type): Add INCLUDES.
904 (graph_size): Removed.
905 (dump_constraint): Support INCLUDES.
906 (build_constraint_graph): Ditto.
907 (collapse_nodes): Add merge_solutions argument.
908 Don't merge attributes.
909 (process_unification_queue): Just use collapse_nodes.
910 (perform_var_substitution): Update call to collapse_nodes.
911 (get_constraint_exp_from_ssa_var): Use INCLUDES.
912 (process_constraint): Fix non-field sensitive handling
914 (get_constraint_for): Use INCLUDES.
915 (make_constraint_from_anything): Renamed from
916 make_constraint_from_escaped.
917 (make_constraint_to_escaped): Removed.
918 (find_global_initializers): Removed.
919 (create_variable_info_for): Do not make constraints to escaped
921 (dump_solution_for_var): Don't print out the equivalent points-to
922 sets, just use the name of the variable it shares it with.
923 (intra_create_variable_infos): Use INCLUDES.
924 Change nonlocal variable sets to anything sets.
925 (init_base_vars): Remove escaped_vars and nonlocal_var
927 (find_escape_constraints): Removed.
928 (delete_points_to_sets): Remove dead code.
929 (used_smt_calculated): New variable.
930 (set_used_smts): New function.
931 (merge_smts_into): New function.
932 (find_what_p_points_to): Modify to use SMTs.
933 (create_nonlocal_var): Remove.
935 * tree-ssa-operands.c (access_can_touch_variable): Remove
936 reference to nonlocal_all.
938 * tree-ssa.c (verify_name_tags): Remove.
940 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
942 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
943 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
945 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
947 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
948 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
949 (add_livein_if_notdef): Delete.
950 (loe_visit_block): New. Propogate live on entry info for a block into
951 each predecessor. If it changes, make sure it is visited again.
952 (live_worklist): Visit every block and update the live on entry info
953 for preds. Iterate over any that changed.
954 (set_var_live_on_entry): Populate the live on entry blocks with bits
955 based on the immediate uses of a var.
956 (calculate_live_on_entry): Remove.
957 (calculate_live_on_exit): Calculate live on exit based on the newly
958 oriented live on entry bits.
959 (calculate_live_ranges): Build live on entry and exit vectors.
960 (dump_live_info): Use new orientation of live on entry bitmaps.
961 (verify_live_on_entry): New. Split out verification code from old
962 calculate_live_on_entry routine.
963 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
964 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
965 basic_block instead of for a partition.
966 (live_merge_and_clear): Add asserts.
967 (make_live_on_entry): Set partition bit in basic block vector.
969 2006-12-04 Jakub Jelinek <jakub@redhat.com>
972 * omp-low.c (expand_omp_for_static_nochunk,
973 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
977 * omp-low.c (determine_parallel_type): Don't try to optimize combined
978 parallels if region->exit or region->inner->exit is NULL.
979 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
981 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
982 (expand_omp_for): Use expand_omp_for_generic if either region->cond
983 or region->exit is NULL.
984 (expand_omp_sections): Handle NULL region->cond or region->exit.
987 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
989 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
990 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
992 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
994 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
995 TYPE_MAX_VALUE for scalar types here but...
996 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
997 is attached an error mark, and the return value of the callback
998 if it is not NULL_TREE.
1000 2006-12-04 Ben Elliston <bje@au.ibm.com>
1002 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1004 2006-12-03 Eric Christopher <echristo@apple.com>
1007 * config/t-slibgcc-darwin: Pass -install_name.
1008 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1009 libtool. Only pass through options that the linker recognizes.
1010 (LINK_SPEC): Update comment. Translate options.
1011 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1012 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1014 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1016 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1018 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1021 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1022 operands[1] in insn constraint. Correct type attribute to sselog1.
1024 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1027 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1029 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1030 processor detection.
1032 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1033 -march=native if there is no -mtune=*.
1035 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1038 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1040 * doc/install.texi: Update recommended MPFR version. Remove
1041 obsolete reference to cumulative patch.
1043 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1046 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1048 2006-11-30 Jan Hubicka <jh@suse.cz>
1049 Uros Bizjak <ubizjak@gmail.com>
1051 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1052 32bit memcpy/memset decriptors.
1053 (decide_alg): With -minline-all-stringops and sizes that are best
1054 to be copied via libcall still work hard enough to pick non-libcall
1057 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1059 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1061 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1062 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1063 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1064 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1065 config/spu/spu-c.c, config/spu/spu-modes.def,
1066 config/spu/spu.c, config/spu/spu.md,
1067 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1068 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1069 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1070 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1071 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1072 spelling conventions.
1074 * config/i386/i386.c: Fix a comment typo.
1076 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1078 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1079 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1080 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1081 better optimization.
1082 (floatv4siv4sf2): New.
1083 (fix_truncv4sfv4si2): New.
1084 (floatunsv4siv4sf2): New.
1085 (fixuns_truncv4sfv4si2): New.
1093 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1094 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1095 spu_resolve_overloaded_builtin instead of static inline functions.
1097 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1099 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1100 type instead of the size of its mode to compute the highest and
1101 lowest possible values. Still check the size of the mode before
1102 flipping the signedness of the comparison.
1104 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1106 * config/spu/predicates.md (spu_mov_operand): Add.
1107 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1108 (print_operand_address, print_operand): Handle addresses containing AND.
1109 (spu_split_load, spu_split_store): Use updated movti pattern.
1110 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1111 stores in mov patterns for correct operation of reload.
1112 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1114 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1117 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1119 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1121 * common.opt (ftree-combine-temps): Remove.
1122 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1123 (coalesce_ssa_name): Don't check for combine-temps.
1124 (coalesce_vars): Remove.
1125 (check_replaceable): Use num_imm_uses.
1126 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1127 check for combine-temps.
1128 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1129 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1130 to register_ssa_partition calls.
1131 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1132 (init_var_map, delete_var_map): remove refernces to ref_count.
1133 (create_ssa_var_map): Never calculate a ref count.
1134 (type_var_init): Remove.
1135 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1136 (SSA_VAR_MAP_REF_COUNT): Delete.
1137 (create_ssa_var_map): Change Prototype to have no parameters.
1138 (version_ref_count): Delete.
1139 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1141 (type_var_num, type_var, type_var_first_partition,
1142 type_var_next_partition, type_var_dump, type_var_delete,
1143 type_var_remove_partition, type_var_find, type_var_compact,
1144 type_var_decompact): Remove.
1146 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1148 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1151 2006-12-01 Richard Guenther <rguenther@suse.de>
1154 * dwarf2out.c (struct pubname_struct): Make name const.
1155 (add_pubtype): Do not xstrdup identifiers.
1157 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1159 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1160 multiword accesses are in range.
1162 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1164 PR tree-optimization/29921
1165 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1166 (set_lattice_value): Use canonicalize_float_value.
1168 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1170 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1171 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1172 (spu_cpu_cpp_builtins): Remove.
1173 (spu_override_options): Don't set warn_main.
1174 (spu_force_reg): Move from spu-c.c.
1175 (spu_check_builtin_parm): Likewise.
1176 (expand_builtin_args): Likewise.
1177 (spu_expand_builtin_1): Likewise.
1178 (spu_expand_builtin): Likewise.
1179 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1180 warn_main and targetm.resolve_overloaded_builtin.
1181 * config/spu/spu-c.c (spu_builtin_range): Remove.
1182 (spu_check_builtin_parm): Remove.
1183 (expand_builtin_args): Remove.
1184 (spu_expand_builtin_1): Remove.
1185 (spu_expand_builtin): Remove.
1186 (spu_cpu_cpp_builtins): Moved from spu.c
1187 (spu_force_reg): Remove.
1189 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1190 David Edelsohn <edelsohn@gnu.org>
1193 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1194 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1195 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1196 HARD_REGNO_NREGS_WITH_PADDING): Define.
1197 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1198 HARD_REGNO_NREGS_WITH_PADDING): Define.
1199 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1200 Use new macros to detect modes with holes; do not look at integer
1202 (subreg_offset_representable_p): Check for and disallow cases
1203 where the modes use different numbers of bits from registers.
1204 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1205 constant for soft-float.
1206 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1208 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1209 in E500 double case.
1210 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1211 (movtf_softfloat): New.
1213 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1215 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1216 simplify_gen_subreg.
1218 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1220 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1221 (COALESCE_HASH_FN): New. Define hash function.
1222 (partition_pair_map_hash): New. Hash value for a partition pair.
1223 (partition_pair_map_eq): New. Equality for hash pairs.
1224 (create_coalesce_list): Create hash table.
1225 (delete_coalesce_list): Free hash table.
1226 (find_partition_pair): Find/create pairs in hash table.
1227 (compare_pairs): Sort pairs in ascending order now.
1228 (num_coalesce_pairs): New. Number of pairs in hash table.
1229 (struct partition_pair_iterator): Iterator struct for pair table.
1230 (first_partition_pair): Iterator function for first pair.
1231 (end_partition_pair_p): Iterator function for end of iteration.
1232 (next_partition_pair): Iterator function for next pair.
1233 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1234 (sort_coalesce_list): Sort pairs from hash table into an array.
1235 (pop_best_coalesce): Take pairs from the array.
1236 (dump_coalesce_list): Update to use hash table or sorted array.
1237 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1238 (struct coalesce_list_d): Add hash table related fields.
1240 2006-11-30 Jan Hubicka <jh@suse.cz>
1243 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1244 memmove/bcopy->memcpy conversion.
1246 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1248 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1249 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1250 Default is the largest alignment supported for 32-bit ELF and
1251 representable on a 32-bit host.
1253 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1255 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1257 2006-11-30 Jan Hubicka <jh@suse.cz>
1259 * tree-ssa-operands.h (struct ssa_operands): New.
1260 * tree-flow-inline.h (gimple_ssa_operands): New function.
1261 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1262 * Makefile.in: Remove gt-tree-ssa-operands.h
1263 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1264 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1265 operand_memory, operand_memory_index, ops_active): Remove statics.
1266 (ALLOC_OPTYPE): Update.
1267 (operand_build_sort_virtual): Update.
1268 (ssa_operands_active): Update.
1269 (init_ssa_operands): Update.
1270 (fini_ssa_operands): Update.
1271 (ssa_operand_alloc): Update.
1272 (INITIALIZE_USE): Update.
1273 (finalize_ssa_use_ops): Update.
1274 (finalize_ssa_v_may_def_ops): Update.
1275 (finalize_ssa_vuse_ops): Update.
1276 (finalize_ssa_v_must_def_ops): Update.
1278 2006-11-30 Richard Guenther <rguenther@suse.de>
1280 * tree-vectorizer.h (vectorizable_function): Export.
1281 * tree-vect-transform.c (vectorizable_function): Likewise.
1282 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1283 type_in to scalar type in recognition of squaring.
1284 Make sure the target can vectorize sqrt in recognition
1285 of sqrt, set type_in to vector type in this case.
1287 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1289 * config/i386/i386.md (R10_REG): New constant.
1290 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1291 (ix86_emit_restore_regs_using_mov): Ditto.
1292 (ix86_expand_call): Ditto.
1293 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1295 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1297 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1298 * alias.c (canon_true_dependence): Update comment.
1300 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1302 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1303 at the end of a diagnostics message.
1305 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1306 until after asserting that it was allocated in the right pool.
1308 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1309 successor edge information as well. Make output of live regs
1310 on exit consistent with live regs on entry.
1312 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1315 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1316 insn patterns for TARGET_80387.
1317 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1318 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1319 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1320 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1321 Generate truncxf<mode>2 insn patterns for strict SSE math.
1323 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1325 * config/i386/i386.md (movsf_1): Enable pattern for standard
1326 80387 constants before reload when optimizing for size.
1327 (*movdf_nointeger, *movdf_integer): Ditto.
1328 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1329 80387 constants before reload when not optimizing for size.
1331 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1332 extension of XFmode input operands.
1334 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1336 * config/spu/crt0.c (__dso_handle): Define.
1338 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1340 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1341 when clearing the used flags.
1343 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1345 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1347 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1350 * config/spu/spu.md (extend_compare<mode>): New pattern.
1351 (extend_compare): Change to expand and use the above pattern.
1353 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1355 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1357 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1358 (DFP_INIT_ROUNDMODE): Define.
1359 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1360 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1362 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1364 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1365 Update documentation.
1366 (associate_line_notes_with_blocks): Kill.
1367 (extend_bb): Remove basic block argument, put void instead.
1368 Remove line number handling for each bb.
1369 (save_line_notes): Kill.
1370 (restore_line_notes): Kill.
1371 (sched_init): Remove line_note_head initialization.
1372 Change extend_bb call.
1373 (sched_finish): Remove free of line_note_head.
1374 (add_block): Change extend_bb call.
1375 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1376 rm_line_notes and restore_line_notes calls.
1377 (schedule_ebbs): Remove rm_redundant_line_notes.
1378 * sched-int.h (struct haifa_insn_data): Remove line_note.
1379 (save_line_notes): Remove declaration.
1380 (restore_line_notes): Remove declaration.
1381 * modulo-sched.c (loop_canon_p): Update debug info printing
1382 by using insn locators instead of line note.
1383 (sms_schedule): Update debug info printing, by using insn
1384 locators instead of line note.
1385 * sched-rgn.c (debug_dependencies): Remove handling of case
1386 n>0 (line number), since it's a dead code.
1387 (schedule_region): Remove save_line_notes and
1388 restore_line_notes calls.
1390 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1392 * config/rs6000/predicates.md (gpc_reg_operand): Check
1393 invalid_e500_subreg.
1394 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1395 SImode subregs of SPE vectors.
1396 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1397 * jump.c (true_regnum): Require subregs to satisfy
1398 subreg_offset_representable_p.
1400 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1401 Steven Bosscher <stevenb.gcc@gmail.com>
1403 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1404 since it no longer exists.
1406 2006-11-29 Duncan Sands <baldrick@free.fr>
1408 PR tree-optimization/23744
1409 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1411 2006-11-29 Duncan Sands <baldrick@free.fr>
1413 PR tree-optimization/23744
1414 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1416 2006-11-29 Duncan Sands <baldrick@free.fr>
1418 PR tree-optimization/23744
1419 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1421 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1423 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1425 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1427 * sh.opt (minline-ic_invalidate): New option.
1428 (musermode): Adjust comment.
1429 * sh.c (sh_initialize_trampoline): Emit library call unless
1430 is set; if it is set, don't emit library call if we can use icbi
1432 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1433 icbi for TARGET_SH4_300.
1434 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1435 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1436 -musermode documentation.
1438 2006-11-29 Jim Tison <jtison@us.ibm.com>
1440 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1441 __gthread_recursive_mutex_init): Define.
1443 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1445 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1446 STRICT_ALIGNMENT and the type is more aligned than the saved
1447 registers, copy via a temporary.
1449 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1452 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1455 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1457 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1459 2006-11-28 Jan Hubicka <jh@suse.cz>
1461 Privatize SSA variables into gimple_df.
1462 * tree-flow-inline.h
1463 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1464 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1465 gimple_nonlocal_all): New accessors.
1466 (first_referenced_var): Update.
1467 (mark_stmt_modified): Update.
1468 (is_call_clobbered): Update.
1469 (mark_call_clobbered): Update.
1470 (clear_call_clobbered): Update.
1471 (mark_non_addressable): Update.
1472 * tree-vrp.c (get_value_range): Update.
1473 * tree-into-ssa.c (in_ssa_p): Kill.
1474 (get_default_def_for): Update.
1475 (rewrite_into_ssa): Update.
1476 * tree-complex.c (init_parameter_lattice_values): Update.
1477 (update_complex_assignment): Update.
1478 (update_parameter_components): Update.
1479 (expand_complex_libcall): Update.
1480 (expand_complex_operations_1): Update.
1481 * tree-tailcall.c (arg_needs_copy_p): Update.
1482 (add_virtual_phis): Update.
1483 (tree_optimize_tail_calls_1): Update.
1484 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1485 * tree-ssa-copyrename.c
1486 (copy_rename_partition_coalesce): Update.
1487 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1488 * tree-ssa-propagate.c (set_rhs): Update.
1489 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1490 addressable_vars, global_var):Kill.
1491 (set_initial_properties): Update.
1492 (init_alias_info): Update.
1493 (finalize_ref_all_pointers): Update.
1494 (setup_pointers_and_addressables): Update.
1495 (maybe_create_global_var): Update.
1496 (create_global_var): Update.
1497 (dump_points_to_info): Update.
1498 * function.h (struct gimple_df): Forward declare.
1499 (struct function): Add GIMPLE_DF field.
1500 * gimplify.c (force_gimple_operand): Update.
1501 * tree-dfa.c (referenced_vars, default_defs): KIll.
1502 (make_rename_temp): Update.
1503 (dump_variable): Update.
1504 (referenced_var_lookup): Update.
1505 (referenced_var_check_and_insert): Update.
1506 (default_def): Rename to ...
1507 (gimple_default_def): ... this one; accept cfun argument.
1508 (set_default_def): Update.
1509 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1510 (cleanup_control_flow): Update.
1511 * tree-ssa-pre.c (compute_avail): Update
1512 * tree-ssa-live.c (calculate_live_on_entry): Update.
1513 * tree-ssa.c (verify_use): Update.
1514 (verify_call_clobbering): Update.
1515 (verify_call_clobbering): Update.
1516 (init_tree_ssa): Update.
1517 (delete_tree_ssa): Update.
1518 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1519 (rewrite_out_of_ssa): Update.
1520 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1521 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1523 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1524 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1525 addressable_vars, aliases_computed_p): Kill.
1526 (default_def): Rename to...
1527 (gimple_default_def): ... this one.
1528 (defaule_def_fn): Kill.
1529 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1530 * tree-ssa-structalias.c (nonlocal_all): Kill.
1531 (get_constraint_exp_from_ssa_var): Update.
1532 (create_nonlocal_var): Update.
1533 (get_constraint_for): Update.
1534 (update_alias_info): Update.
1535 (find_global_initializers): Update.
1536 (intra_create_variable_infos): Update.
1537 (intra_create_variable_infos):
1538 (find_what_p_points_to): Update.
1539 (init_alias_heapvars): Update.
1540 * tree-cfg.c (remove_bb): Update.
1541 (gimplify_val): Update.
1542 * tree-ssa-reassoc.c (get_rank): Update.
1543 (init_reassoc): Update.
1544 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1545 (ssa_names, free_ssanames): Kill.
1546 (init_ssanames): Update.
1547 (make_ssa_name): Update.
1548 (release_ssa_name): Update.
1549 (release_defs): Update.
1550 (replace_ssa_name_symbol): Update.
1551 * tree-ssa-operands.c (access_can_touch_variable): Update.
1552 (add_virtual_operand): Update.
1553 (add_call_clobber_ops): Update.
1554 (add_call_read_ops): Update.
1555 (get_call_expr_operands): Update.
1556 (get_asm_expr_operands): Update.
1558 2006-11-28 Jan Hubicka <jh@suse.cz>
1560 * builtins.c: Include tree-flow.h.
1561 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1562 assignment; convert memmove to memcpy for sizes greater than 1 where
1563 alignment of operands prohibit the partial overlap.
1565 2006-11-28 Jan Hubicka <jh@suse.cz>
1567 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1568 * cgraph.c (dump_cgraph_node): Dump stack usage.
1569 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1570 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1571 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1572 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1573 (cgraph_check_inline_limits): Limit stack growth.
1574 * cfgexpand.c: Include tree-inline.h.
1575 (account_stack_vars): New function.
1576 (expand_one_var): New param to just account the stack; return estimated
1578 (expand_used_vars_for_block): Update call of expand_one_var.
1579 (account_used_vars_for_block): New function.
1580 (estimated_stack_frame_size): Likewise.
1581 (init_vars_expansion, fini_vars_expansion): Break out from..
1582 (expand_used_vars): ... here.
1583 * tree-inline.h (estimated_stack_frame_size): Declare.
1584 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1586 2006-11-28 Richard Guenther <rguenther@suse.de>
1588 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1589 unsigned long for printing OBJECT_SIZE.
1591 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1593 * alias.c (init_alias_analysis): Remove simplification loop
1594 after propagating pointers.
1596 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1598 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1601 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1603 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1605 2006-11-27 Roger Sayle <roger@eyesopen.com>
1606 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1608 * c-common.c (constant_fits_type_p): Delete.
1609 (unsigned_conversion_warning): Delete.
1610 (conversion_warning): Integrate Wconversion warning from
1611 unsigned_conversion_warning.
1612 (convert_and_check): Integrate Woverflow warning from
1613 unsigned_conversion_warning. Reorganize and simplify to avoid
1614 dependence upon the middle-end setting TREE_OVERFLOW on integral
1615 conversions, by using int_fits_type_p directly.
1617 2006-11-27 Tobias Burnus <burnus@net-b.de>
1619 * doc/invoke.texi: Fixed typo.
1621 2006-11-27 Michael Matz <matz@suse.de>
1622 Andreas Krebbel <krebbel1@de.ibm.com>
1625 * config/s390/predicates.md (larl_operand): Check addend of larl
1626 operand to be in range of -/+2GB.
1627 * config/s390/s390.c (legitimize_pic_address): Likewise.
1628 Changed type of variable even to HOST_WIDE_INT.
1630 2006-11-27 Jan Hubicka <jh@suse.cz>
1632 * expr.c (emit_block_move_via_libcall): Export.
1633 (clear_storage_via_libcall): Rename to ...
1634 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1635 (clear_storage): Update to set_storage_via_libcall.
1636 * expr.h (emit_block_move_via_libcall): Declare
1637 * config/i386/i386.h (stringop_alg): New enum.
1638 (MAX_STRINGOP_ALGS): New constant.
1639 (stringop_algs): New struct.
1640 (processor_costs): Add memcpy/memset descriptors.
1641 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1642 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1643 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1645 * config/i386/i386.opt (minline-stringops-dynamically,
1646 mstringop-strategy): New
1648 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1649 (ix86_expand-clrmem): Rename to ...
1650 (ix86_expand_setmem): ... this one; update prototype.
1651 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1652 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1653 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1654 nocona_cost, core2_cost, generic_cost, generic64_cost,
1655 generic32_cost): Add memcpy/memset descriptors.
1656 (x86_rep_movl_optimal): Remove.
1657 (stringop_alg): New static variable.
1658 (ix86_expand_aligntest): Handle predictions.
1659 (override_options): Add strgop_alg handling.
1660 (predict_jump): New function.
1661 (scale_counter): New function.
1662 (expand_set_or_movmem_via_loop): New function.
1663 (expand_movmem_via_rep_mov): New function.
1664 (expand_setmem_via_rep_stots): New function.
1665 (emit_strmov): New function.
1666 (expand_movmem_epilogue): New function.
1667 (expand_setmem_epilogue_via_loop): New function.
1668 (expand_setmem_epilogue): New function.
1669 (expand_movmem_prologue): New function.
1670 (expand_setmem_prologue): New function.
1671 (decide_alg): New function.
1672 (decide_alignment): New function.
1673 (ix86_exand_movmem): Rewrite.
1674 (promote_duplicated_reg): New function.
1675 (ix86_expand_clrmem): Rename to ...
1676 (ix86_expand_setmem): ... this one. Rewrite.
1678 * invoke.texi (minline-stringops-dynamically): New command line option.
1679 (mstringop-strategy): Likewise.
1681 2006-11-27 Jan Hubicka <jh@suse.cz>
1683 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1684 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1685 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1686 * insn-notes.def (FUNCTION_END): Remove.
1687 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1688 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1690 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1691 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1692 * cfglayout.c (duplicate_insn_chain): Don't worry about
1695 2006-11-27 Richard Guenther <rguenther@suse.de>
1696 Zdenek Dvorak <dvorakz@suse.cz>
1698 * target.h (struct gcc_target): Add builtin_vectorized_function
1700 * target-def.h (TARGET_VECTORIZE): Likewise.
1701 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1702 Document new target hook.
1703 * targhooks.h (default_builtin_vectorized_function): Declare.
1704 * targhooks.c (default_builtin_vectorized_function): Define.
1705 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1706 (vectorizable_call): Declare.
1707 * tree-vect-analyze.c (vect_analyze_operations): Call
1709 * tree-vect-transform.c (vectorizable_function): New static function.
1710 (build_vectorized_function_call): Likewise.
1711 (vectorizable_call): New function.
1712 (vect_transform_stmt): Handle vectorizable calls.
1714 2006-11-27 Richard Guenther <rguenther@suse.de>
1717 * builtins.c (expand_builtin_pow): Optimize non integer valued
1718 constant exponents using sqrt or cbrt if possible. Always fall back
1719 to expanding via optabs.
1721 2006-11-27 Ira Rosen <irar@il.ibm.com>
1723 PR tree-optimization/22372
1724 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1725 the type of the base address.
1726 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1727 it in the data-ref pointer creation.
1728 (vect_init_vector): Add an argument, type of the init vector. Use it in
1730 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1731 (get_initial_def_for_reduction): Likewise.
1732 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1734 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1735 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1736 correct type in stmt creation.
1737 (vect_setup_realignment): Use the correct type in stmt creation.
1738 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1740 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1741 of MODIFY_EXPR to void_type_node.
1742 (vectorizable_condition): Change type of MODIFY_EXPR to
1744 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1747 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1750 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1751 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1752 standard 80387 constants, raise the cost to prevent
1753 compress_float_constant() to generate load from memory.
1755 * config/i386/i386.md: Add new splitter pattern to split
1756 float_extended load of constant from constant pool into
1759 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1761 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1762 section to general section. Remove documentation for
1763 --with-mpfr-dir and --with-gmp-dir, add documentation for
1764 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1767 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1769 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1771 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1773 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1775 PR tree-optimization/29122
1776 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1777 for the new version. Assign NULL to DECL_RTL of the new version.
1779 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1781 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1783 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1785 * cse.c (cse_altered): Remove.
1786 (record_jump_equiv): Make true/false argument a bool instead
1788 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1789 where appropriate. Emit a new jump before the existing one
1790 instead of after so that delete_insn_and_edges removes the
1791 dead edges properly. Check any_condjump_p before calling
1793 (cse_basic_block): Check any_condjump_p before calling
1795 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1797 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1799 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1800 -ffixed-line-length-* options.
1802 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1804 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1805 (fprem1xf4): Rename to fprem1xf4_i387.
1807 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1808 Rename patterns to fmod<mode>3. Use general_operand operand
1809 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1810 patterns for SSE math.
1811 (remaindersf3, remainderdf3): Ditto.
1813 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1815 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1816 inside start_sequence / end_sequence pair.
1818 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1820 * jump.c (mark_all_labels): Work in cfglayout mode.
1821 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1822 when in cfglayout mode, because there are no dead jumptables
1824 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1826 (commit_edge_insertions): Do not allow insertion of instructions
1827 with control flow insns when in cfglayout mode.
1829 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1831 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1833 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1834 unswitch_loop): Ditto.
1835 * tree-loop-linear.c (linear_transform_loops): Ditto.
1836 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1837 tree_ssa_lim): Ditto.
1838 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1839 free_numbers_of_iterations_estimates): Ditto.
1840 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1841 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1842 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1843 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1844 place_new_loop, duplicate_loop, duplicate_subloops,
1845 update_single_exit_for_duplicated_loops, copy_loops_to,
1846 duplicate_loop_to_header_edge, create_preheaders,
1847 force_single_succ_latches, loop_version, fix_loop_structure):
1849 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1850 tree_unroll_loop): Ditto.
1851 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1852 * tree-scalar-evolution.c (select_loops_exit_conditions,
1853 scev_initialize, scev_analysis): Ditto.
1854 * tree-scalar-evolution.h (scev_initialize): Ditto.
1855 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1856 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1857 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1858 * modulo-sched.c (sms_schedule): Ditto.
1859 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1860 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1861 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1862 * ifcvt.c (if_convert): Ditto.
1863 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1864 canonicalize_loop_induction_variables,
1865 canonicalize_induction_variables,
1866 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1867 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1868 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1869 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1870 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1871 tree_ssa_loop_done): Ditto.
1872 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1873 estimate_bb_frequencies): Ditto.
1874 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1875 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1876 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1877 decide_unrolling_and_peeling, peel_loop_completely,
1878 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1879 peel_loop_simple, unroll_loop_stupid): Ditto.
1880 * loop-doloop.c (doloop_optimize_loops): Ditto.
1881 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1882 * loop-invariant.c (move_loop_invariants): Ditto.
1883 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1884 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1885 tree_ssa_prefetch_arrays): Ditto.
1886 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1888 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1889 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1890 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1891 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1892 verify_loop_structure): Ditto.
1893 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1894 canonicalize_induction_variables, tree_unroll_loops_completely,
1895 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1896 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1897 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1898 tree_unroll_loop, linear_transform_loops): Declaration changed.
1899 * basic-block.h: Remove declaration of struct loops.
1900 * cfghooks.h (struct cfg_hooks): Change type of
1901 cfg_hook_duplicate_loop_to_header_edge.
1902 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1903 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1904 vect_transform_loop): Declaration changed.
1905 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1906 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1907 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1908 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1909 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1910 loopify, loop_version, remove_path, unswitch_loops,
1911 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1912 Declaration changed.
1914 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1916 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1917 (X87MODEF): New mode macro.
1918 (ssemodefsuffix): New mode attribute.
1919 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1920 (sqrt_extend<mode>xf2_i387): New insn pattern.
1921 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1922 insn and truncate result back to original mode using
1923 UNSPEC_TRUNC_NOOP truncation.
1924 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1925 ssemodefsuffix mode attribute.
1926 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1927 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1928 (*sqrtextenddfxf2_i387): Remove insn patterns.
1930 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1931 truncation patterns.
1933 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1935 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1938 * c-tree.h (c_maybe_initialize_eh): New prototype.
1939 * c-decl.c (finish_decl): Move EH initialization...
1940 (c_maybe_initialize_eh): ... here. New function.
1941 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1942 if not #pragma omp atomic.
1945 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1946 or UNION_TYPE inner types.
1948 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1951 * ipa-pure-const.c (check_tree): If the original tree
1952 is volatile return early and say the function is not pure
1953 nor const. Remove the volatile check for writes.
1954 (analyze_function): Print out the result of the local
1957 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1959 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
1961 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
1962 * config/rs6000/rs6000.c (rs6000_override_options): Use
1963 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
1966 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1968 * config/s390.c (s390_emit_compare_and_swap): New function.
1969 (s390_expand_cs_hqi, s390_expand_atomic): Call
1970 s390_emit_compare_and_swap.
1972 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1974 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1976 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1980 * c-common.c (conversion_warning): New.
1981 (convert_and_check): Call conversion_warning unless there is an
1983 * doc/invoke.texi (-Wconversion): Update description.
1985 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1987 * tree-ssa-alias.c (tree_pointer_compare): New function.
1988 (compact_name_tags): New function.
1989 (group_aliases): Call compact_name_tags.
1991 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1993 * real.h (real_isinteger): Declare.
1994 * real.c (real_isinteger): Define.
1995 * builtins.c (integer_valued_real_p): Use it.
1997 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2000 * c.opt (Wtraditional-conversion): New.
2001 (Wconversion): Update description.
2002 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2003 type conversions different from what would happen in the absence
2004 of prototype are now handled by Wtraditional-conversion.
2005 * doc/invoke.texi (Wtraditional-conversion): New.
2006 (Wconversion): Update description.
2007 * doc/trouble.texi (Wconversion): Replace Wconversion by
2008 Wtraditional-conversion.
2010 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2012 * predict.c (tree_estimate_probability): Check to make
2013 sure current_loops is non null before calling flow_loops_dump.
2015 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2017 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2019 2006-11-23 David Ung <davidu@mips.com>
2021 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2023 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2024 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2025 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2026 high part of FP register when in 64-bit FP register mode. Similarly
2027 use gen_mfhc1 to load high part of FP register.
2028 (override_options): Allow -mgp32 and -mfp64 combination if
2029 ISA_HAS_MXHC1 (currently for O32 only).
2030 (mips_cannot_change_mode_class): If floating-point registers are
2031 bigger than word size. disallow conversion of float register from a
2032 large integer mode to a float mode smaller than the float register
2034 (mips_class_max_nregs): Handle float registers case seperately.
2035 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2037 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2038 (movdf_hardfloat_32bit): Similarly.
2039 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2040 support a full 64-bit fpu.
2041 (mthc1): New pattern to generate MTHC1 instruction.
2042 (mfhc1): New pattern to generate MFHC1 instruction.
2043 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2044 option for the MIPS32R2 and mention its use under O32 ABI.
2046 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2048 * var-tracking.c (emit_note_insn_var_location): Take care not to
2049 cause verify_flow_info failures.
2051 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2053 * tree-ssa-structalias.c: Remove edge weights in favor of just
2054 processing them as complex constraints.
2055 (struct constraint_graph): Remove weighted succs and preds. Rename
2056 nonweighted succs and preds.
2057 (constraint_edge): Removed.
2058 (constraint_edge_t): Ditto.
2059 (constraint_edge_pool): Ditto.
2060 (new_constraint_edge): Ditto.
2061 (constraint_edge_equal): Ditto.
2062 (constraint_edge_less): Ditto.
2063 (constraint_edge_vec_find): Ditto.
2064 (erase_self_graph_edge): Ditto.
2065 (add_graph_edge): Removed.
2066 (get_graph_weights): Ditto.
2067 (allocate_graph_weights): Ditto.
2068 (valid_weighted_graph_edge): Ditto
2069 (bitmap_other_than_zero_bit_set): Ditto.
2070 (int_add_graph_edge): Renamed to add_graph_edge.
2071 (clear_edges_for_node): Remove support for weighted edges.
2072 (merge_graph_nodes): Ditto.
2073 (valid_graph_edge): Ditto.
2074 (build_constraint_graph): Ditto.
2076 (collapse_nodes): Ditto.
2077 (process_unification_queue): Ditto.
2078 (topo_visit): Ditto.
2079 (do_ds_constraint): Ditto.
2080 (perform_var_subsitution): Ditto.
2081 (solve_graph): Ditto.
2082 (init_alias_vars): Ditto.
2083 (delete_points_to_sets): Ditto.
2084 (do_complex_constraint): Support offsetted copies here.
2086 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2088 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2090 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2092 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2095 2006-11-23 Ben Elliston <bje@au.ibm.com>
2097 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2099 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2101 PR tree-optimization/29921
2102 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2103 signed and unsigned zero equal.
2105 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2107 * config/rs6000/rs6000.c (get_store_dest): New.
2108 (adjacent_mem_locations): Use get_store_dest() to get
2109 the rtl of the store destination.
2111 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2113 * config/rs6000/spe.md (SPE64): New mode macro.
2114 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2116 (mov_si<mode>_e500_subreg0_2): New.
2117 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2119 (mov_si<mode>_e500_subreg4_2): New.
2120 * config/rs6000/predicates.md (input_operand): Do not allow
2121 invalid E500 subregs.
2122 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2124 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2125 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2126 involving vector modes if TARGET_SPE.
2128 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2131 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2132 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2134 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2136 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2137 mem_i_address_operand): New predicates.
2138 * config/bfin/bfin.c (bfin_issue_rate): New function.
2139 (TARGET_SCHED_ISSUE_RATE): New macro.
2140 * config/bfin/bfin.md (addrtype): New attribute.
2141 (slot0, slot1, slot2, store, pregs): New cpu_units.
2142 (core): Now a define_reservation.
2143 (alu): Remove some insn types from this reservation.
2144 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2146 (dummy reservation): Don't trigger for mcld insns.
2147 (absence_sets): Two new absence sets to enforce slot ordering.
2148 (popsi_insn): Set addrtype.
2150 2006-11-22 Ira Rosen <irar@il.ibm.com>
2152 * doc/c-tree.texi: Document new tree codes.
2153 * doc/md.texi: Document new optabs.
2154 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2156 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2157 * optabs.h (optab_index): Add new.
2158 (vec_extract_even_optab, vec_extract_odd_optab,
2159 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2160 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2161 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2163 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2164 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2165 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2166 along with macros for their access.
2167 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2169 * tree-vect-analyze.c (toplev.h): Include.
2170 (vect_determine_vectorization_factor): Fix indentation.
2171 (vect_insert_into_interleaving_chain,
2172 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2173 (vect_analyze_data_ref_dependence): Add argument for interleaving
2174 check. Check for interleaving if it's true.
2175 (vect_check_dependences): New function.
2176 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2177 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2178 (vect_update_misalignment_for_peel): Update for interleaving.
2179 (vect_verify_datarefs_alignment): Check only first data-ref for
2181 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2182 only first data-ref for interleaving.
2183 (vect_analyze_data_ref_access): Check interleaving, update
2185 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2186 with different parameters.
2187 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2188 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2189 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2190 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2191 Update step in case of interleaving.
2192 (vect_strided_store_supported, vect_permute_store_chain): New
2194 (vectorizable_store): Handle strided stores.
2195 (vect_strided_load_supported, vect_permute_load_chain,
2196 vect_transform_strided_load): New functions.
2197 (vectorizable_load): Handle strided loads.
2198 (vect_transform_stmt): Add argument. Handle strided stores. Check
2199 that vectorized stmt exists for patterns.
2200 (vect_gen_niters_for_prolog_loop): Update calculation for
2202 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2203 whole chain vectorization.
2204 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2205 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2206 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2207 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2208 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2210 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2212 * cse.c (enum taken): Remove PATH_AROUND.
2213 (addr_affects_sp_p, invalidate_skipped_set,
2214 invalidate_skipped_block): Remove.
2215 (cse_end_of_basic_block): Remove skip_blocks and related code.
2216 (cse_main): Don't test for flag_cse_skip_blocks.
2217 Update cse_end_of_basic_block call.
2218 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2219 code to lengthen the path if a jump was simplified.
2221 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2223 PR rtl-optimization/29924
2224 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2225 (unroll_loop_runtime_iterations): Assert that the argument passed to
2226 split_edge_and_insert is not NULL.
2227 * loop-doloop.c (add_test): Ditto.
2229 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2231 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2233 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2234 * cfgloopmanip.c (update_single_exits_after_duplication,
2235 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2236 * tree-scalar-evolution.c (get_loop_exit_condition,
2237 get_exit_conditions_rec, loop_closed_phi_def,
2238 number_of_iterations_in_loop, scev_const_prop): Ditto.
2239 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2240 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2242 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2244 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2245 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2246 slpeel_make_loop_iterate_ntimes,
2247 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2248 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2250 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2251 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2252 vect_analyze_loop_form): Ditto.
2253 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2254 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2255 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2256 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2257 vect_transform_loop): Ditto.
2258 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2259 (single_exit, set_single_exit): New functions.
2260 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2261 (single_exit, set_single_exit): Declare.
2262 * doc/loop.texi: Undocument single_exit field. Document single_exit
2265 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2267 PR tree-optimization/29902
2268 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2269 any involved ssa name appears in abnormal phi node.
2271 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2273 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2274 (xtensa_const_ok_for_letter_p): Delete.
2275 (xtensa_extra_constraint): Delete.
2276 (override_options): Delete xtensa_char_to_class initialization.
2277 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2278 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2279 (EXTRA_CONSTRAINT): Delete.
2280 * config/xtensa/xtensa.md: Include constraints.md.
2281 (call_internal): Combine alternatives.
2282 (call_value_internal): Likewise, and remove invalid constraints.
2283 * config/xtensa/constraints.md: New file.
2284 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2285 (xtensa_extra_constraint): Delete.
2286 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2289 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2291 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2292 of conversion that doesn't fit.
2294 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2295 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2296 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2298 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2300 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2302 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2304 2006-11-21 Richard Guenther <rguenther@suse.de>
2306 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2307 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2308 vect_recog_pow_pattern.
2309 (vect_recog_pow_pattern): New function.
2311 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2313 * config/bfin/bfin.opt (mstack-check-l1): New.
2314 * doc/invoke.texi (Blackfin Options): Document it.
2315 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2316 stack bounds in L1 memory if the new option is enabled.
2317 (override_options): Don't allow combinations of -fstack-limit and
2319 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2322 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2324 (bfin_register_move_cost): Bump costs if trying to move plain
2325 integer values through accumulators.
2327 2006-11-21 Ben Elliston <bje@au.ibm.com>
2329 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2331 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2332 Russell Olsen <Russell_Olsen@playstation.sony.com>
2333 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2334 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2335 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2336 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2337 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2339 * config.gcc: Add target for SPU.
2340 * config/spu/constraints.md: New file.
2341 * config/spu/crt0.c: New file.
2342 * config/spu/crtend.c: New file.
2343 * config/spu/crti.asm: New file.
2344 * config/spu/crtn.asm: New file.
2345 * config/spu/float_unsdidf.c: New file.
2346 * config/spu/float_unssidf.c: New file.
2347 * config/spu/predicates.md: New file.
2348 * config/spu/spu-builtins.def: New file.
2349 * config/spu/spu-builtins.h: New file.
2350 * config/spu/spu-builtins.md: New file.
2351 * config/spu/spu-c.c: New file.
2352 * config/spu/spu-elf.h: New file.
2353 * config/spu/spu-modes.def: New file.
2354 * config/spu/spu-protos.h: New file.
2355 * config/spu/spu.c: New file.
2356 * config/spu/spu.h: New file.
2357 * config/spu/spu.md: New file.
2358 * config/spu/spu.opt: New file.
2359 * config/spu/spu_internals.h: New file.
2360 * config/spu/spu_intrinsics.h: New file.
2361 * config/spu/spu_mfcio.h: New file.
2362 * config/spu/t-spu-elf: New file.
2363 * config/spu/vec_types.h: New file.
2364 * config/spu/vmx2spu.h: New file.
2365 * doc/contrib.texi: Document SPU contributor.
2366 * doc/extend.texi: Document SPU extensions.
2367 * doc/invoke.texi: Document SPU options.
2368 * doc/md.texi: Document SPU constraints.
2370 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2372 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2374 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2376 (flow_loop_dump): Do not dump loop level.
2377 (flow_loops_find): Do not call flow_loops_level_compute.
2378 * cfgloop.h (struct loop): Remove level field.
2380 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2382 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2383 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2384 Use vector of edges instead of array.
2385 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2386 estimate_numbers_of_iterations_loop): Ditto.
2387 * predict.c (predict_loops): Ditto.
2388 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2389 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2391 * basic-block.h: Declare heap allocation for edge vectors.
2392 * tree-outof-ssa.c: Ditto.
2393 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2394 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2396 2006-11-20 Zack Weinberg <zackw@panix.com>
2398 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2399 Add another out parameter, "skip".
2400 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2401 is tagged "skip", do not mark its type used.
2403 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2406 * tree-sra.c (single_scalar_field_in_record_p): New function.
2407 (decide_block_copy): Use it.
2409 2006-11-20 David Daney <ddaney@avtrex.com>
2411 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2412 PC to point to following instruction.
2414 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2418 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2420 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2422 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2424 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2425 Add sh/superh.h to tm_file.
2427 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2428 Mark Mitchell <mark@codesourcery.com>
2430 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2432 (cpp_relocated): New function.
2433 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2435 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2436 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2437 replace configured prefix with gcc_exec_prefix.
2439 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2441 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2442 bfin_legitimate_constant_p.
2443 * config/bfin/bfin.md (movsi expander): Check return value of
2445 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2446 (expand_move): Adjust prototype.
2447 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2448 invalid constants specially.
2449 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2451 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2453 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2454 sibcall_value_symbol): Allow these patterns if
2455 TARGET_LEAF_ID_SHARED_LIBRARY.
2456 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2457 (override_options): Turn on id shared library flags if -msep-data,
2458 but disallow the combination of these options on the command line.
2459 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2460 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2461 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2462 -mid-shared-library.
2463 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2464 * doc/invoke.texi (Blackfin Options): Document new switches.
2466 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2467 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2469 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2470 inflate costs for addresses with an out-of-bounds address.
2472 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2475 * fwprop.c (loops): Remove.
2476 (forward_propagate_into): Use current_loops instead of
2478 (fwprop_init): Call loop_optimizer_init instead of
2480 (fwprop_done): Call loop_optimizer_finalize instead of
2482 (fwprop): Use current_loops instead of loops.
2484 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2487 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2489 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2492 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2493 larger than BITS_PER_WORD.
2495 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2499 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2500 to MAX_FIXED_MODE_SIZE.
2502 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2504 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2505 (fold_builtin_fmin_fmax): New.
2506 (fold_builtin_1): Use it.
2508 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2510 2006-11-18 Richard Guenther <rguenther@suse.de>
2512 * config/i386/i386.c (ix86_builtins): New array for ix86
2513 builtin function decls.
2514 (def_builtin): New function.
2515 (def_builtin_const): Likewise.
2516 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2518 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2520 * doc/invoke.texi (core2): Add item.
2522 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2524 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2525 (TARGET_CPU_DEFAULT_generic): Change value.
2526 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2527 (processor_type): Add new constant PROCESSOR_CORE2.
2529 * config/i386/i386.md (cpu): Add core2.
2531 * config/i386/i386.c (core2_cost): New initialized variable.
2532 (m_CORE2): New macro.
2533 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2534 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2535 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2536 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2537 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2538 x86_accumulate_outgoing_args, x86_prologue_using_move,
2539 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2540 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2541 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2542 x86_pad_returns): Add m_CORE2.
2543 (override_options): Add entries for Core2.
2544 (ix86_issue_rate): Add case for Core2.
2546 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2548 * doc/invoke.texi: Fix mno-isel typo.
2550 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2552 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2553 easy vector constant loads.
2555 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2557 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2558 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2559 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2560 * config/rs6000/sync.md (lwsync): Emit plain sync if
2563 2006-11-17 DJ Delorie <dj@redhat.com>
2565 * reload1.c (reloads_unique_chain): New.
2566 (reloads_conflict): Call it.
2568 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2570 * config/xtensa/predicates.md (addsubx_operand): New.
2571 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2572 (xtensa_emit_bit_branch): New.
2573 (xtensa_emit_movcc): New.
2574 * config/xtensa/xtensa.md (any_minmax): New code macro.
2575 (minmax): New code attribute.
2576 (any_cond, any_scc, any_scc_sf): New code macros.
2577 (*addx2, *addx4, *addx8): Delete.
2579 (*subx2, *subx4, *subx8): Delete.
2581 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2582 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2583 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2584 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2585 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2586 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2587 (movsfcc_internal0, movsfcc_internal1): Likewise.
2588 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2589 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2590 (xtensa_emit_bit_branch): New.
2591 (xtensa_emit_movcc): New.
2592 (function_arg_boundary): Add missing prototype.
2594 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2596 * config/xtensa/xtensa.md (tstsi): Delete
2598 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2600 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2602 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2604 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2606 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2608 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2610 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2612 * tree-vrp.c (execute_vrp): Do not update current_loops.
2613 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2614 * doc/loop.texi: Remove documentation for cancelled functions.
2615 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2616 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2618 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2619 (remove_path): Ensure that in delete_basic_blocks, the loops
2620 are still allocated.
2621 (add_loop): Work on valid loop structures.
2622 (loopify): Modify call of add_loop.
2623 (mfb_update_loops): Removed.
2624 (create_preheader): Do not update loops explicitly.
2625 (force_single_succ_latches, loop_version): Do not use
2626 loop_split_edge_with.
2627 (loop_split_edge_with): Removed.
2628 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2629 Do not use bsi_insert_on_edge_immediate_loop.
2630 (split_loop_exit_edge, tree_unroll_loop): Do not use
2631 loop_split_edge_with.
2632 (bsi_insert_on_edge_immediate_loop): Removed.
2633 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2634 use loop_split_edge_with.
2635 * cfghooks.c: Include cfgloop.h.
2636 (verify_flow_info): Verify that loop_father is filled iff current_loops
2638 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2639 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2641 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2643 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2644 loop_split_edge_with.
2645 (sms_schedule): Use current_loops.
2646 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2647 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2649 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2650 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2651 * ifcvt.c (if_convert): Ditto.
2652 * predict.c (predict_loops): Do not clear current_loops.
2653 (tree_estimate_probability): Use current_loops.
2654 (propagate_freq): Receive head of the region to propagate instead of
2656 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2657 (estimate_loops): New function. Handle case current_loops == NULL.
2658 (estimate_bb_frequencies): Do not allocate tovisit. Use
2660 * tree-ssa-loop.c (current_loops): Removed.
2661 (tree_loop_optimizer_init): Do not return loops.
2662 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2663 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2664 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2665 Do not update loops explicitly.
2666 * function.h (struct function): Add x_current_loops field.
2667 (current_loops): New macro.
2668 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2669 * loop-unroll.c (split_edge_and_insert): New function.
2670 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2671 use loop_split_edge_with.
2672 * loop-doloop.c (add_test, doloop_modify): Ditto.
2673 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2674 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2675 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2676 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2678 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2679 (flow_loops_free): Do not free dfs_order and rc_order.
2680 (flow_loops_find): Do not set dfs_order and rc_order in loops
2681 structure. Do not call loops and flow info verification.
2682 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2683 already belongs to some loop.
2684 * cfgloop.h (struct loops): Remove struct cfg.
2685 (current_loops, loop_split_edge_with): Declaration removed.
2686 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2687 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2688 Declaration removed.
2689 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2690 * basic-block.h (split_edge_and_insert): Declare.
2691 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2693 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2695 PR tree-optimization/29801
2696 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2697 (get_default_value): Use get_symbol_constant_value.
2698 (set_lattice_value): ICE when the value of the constant is
2700 (visit_assignment): Ignore VDEFs of read-only variables.
2702 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2704 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2706 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2707 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2709 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2711 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2712 select subvars of var.
2714 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2717 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2718 optimize if DEF doesn't have integral type.
2720 2006-11-16 Mike Stump <mrs@apple.com>
2722 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2723 pre-darwin9 system, unless the user asks for it directly.
2724 (PREFERRED_DEBUGGING_TYPE): Likewise.
2725 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2726 * config.gcc: Add suppport for darwin9.h.
2727 * config/darwin9.h: Add.
2728 * doc/install.texi (Specific): Clarify darwin documentation.
2730 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2732 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2733 optimizing for size.
2735 2006-11-16 Mike Stump <mrs@apple.com>
2737 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2739 2006-11-16 Dirk Mueller <dmueller@suse.de>
2741 * tree-vrp.c (get_value_range): Use XCNEW instead
2743 (insert_range_assertions): Use XCNEWVEC instead
2744 of XNEWVEC and memset.
2745 (vrp_initialize): Same.
2746 (vrp_finalize): Same.
2747 * tree-ssa-ccp.c (ccp_initialize): Same.
2748 * predict.c (tree_bb_level_predictions): Same.
2749 * calls.c (expand_call): Same.
2750 * tree-ssa-copy.c (init_copy_prop): Same.
2751 (fini_copy_prop): Same.
2752 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2753 of GGC_NEW and memset.
2755 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2758 * gimplify.c (gimplify_expr): Only force a load for references to
2759 non-BLKmode volatile values.
2760 * doc/implement-c.texi (Qualifiers implementation): Document the
2761 interpretation of what a volatile access is.
2762 * doc/extend.texi (C++ Extensions): Rework same documentation.
2764 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2766 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2769 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2771 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2773 (arm_neg_abssi2): Renamed from neg_abssi2.
2774 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2776 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2778 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2779 number of arguments passed to local functions in SSE registers is 3.
2781 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2782 number of arguments passed in SSE registers to 3.
2784 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2787 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2789 (get_last_bb_insn): ... new global function.
2790 (basic_block.h): Declare it.
2791 * haifa-sched.c (create_recovery_block): Use it.
2793 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2796 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2798 2006-11-15 Paul Brook <paul@codesourcery.com>
2800 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2801 _Unwind_GetTextRelBase): Move from here ...
2802 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2803 _Unwind_GetTextRelBase): ... To here.
2805 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2807 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2808 addresses we generate for testing are aligned.
2810 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2813 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2814 to what is the const decl is a place holder for.
2816 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2818 * config/i386/i386.opt: New target option -mx87regparm.
2820 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2821 and float_in_x87 variables. mmx_words, sse_words: Remove.
2822 (X87_REGPARM_MAX): Define.
2824 * config/i386/i386.c (override_options): Error out for
2825 -mx87regparm but no 80387 support.
2826 (ix86_attribute_table): Add x87regparm.
2827 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2828 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2829 (ix86_function_x87regparm): New function.
2830 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2832 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2834 (function_arg_advance): Process x87_nregs and x87_regno when
2835 floating point argument is to be passed in 80387 register.
2836 (function_arg): Pass XFmode arguments in 80387 registers for local
2837 functions. Pass SFmode and DFmode arguments to local functions
2838 in 80387 registers when flag_unsafe_math_optimizations is set.
2840 * reg-stack.c (convert_regs_entry): Disable NaN load for
2841 stack registers that are used for argument passing.
2843 * doc/extend.texi: Document x87regparm function attribute.
2844 * doc/invoke.texi: Document -mx87regparm.
2846 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2848 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2849 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2850 arg MODE; all callers changed. Use it to determine validity per
2851 machine mode instead of using Pmode for all memory references.
2852 (get_address_cost): Likewise add and use new arg MEM_MODE.
2854 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2855 J"orn Rennecke <joern.rennecke@st.com>
2857 * combine.c (likely_spilled_retval_1): Fix masking operation.
2858 (likely_spilled_retval_p): Use proper pattern for call to
2859 likely_spilled_retval_1.
2861 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2863 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2865 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2866 that tests for CONSTANT_POOL_ADDRESS_P.
2868 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2870 PR tree-optimization/29581
2871 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2872 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2873 type is different between Y and USE, create a temporary
2874 variable, initialize it at the beginning of the body bb
2875 and use it as replacement instead of Y.
2877 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2880 * gimplify.c (fold_indirect_ref_rhs): Use
2881 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2883 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2885 * expmed.c (emit_store_flag_1): New function.
2886 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2888 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2889 Use do_compare_rtx_and_jump.
2890 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2891 * arm.md (cstoresi4): New define_expand.
2892 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2893 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2894 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2896 2006-11-14 Caroline Tice <ctice@apple.com>
2898 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2899 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2901 (pubname_table): Redefine as a vector.
2902 (pubtype_table): New static global variable, defined as a vector.
2903 (pubname_table_allocated): Remove static global variable.
2904 (pubname_table_in_use): Remove static global variable.
2905 (PUBNAME_TABLE_INCREMENT): Remove constant.
2906 (size_of_pubnames): Add parameter to deal with either pubnames or
2907 pubtypes, and change code to deal with table being a vector.
2908 (add_pubname): Change to deal with table being a vector.
2909 (add_pubtype): New function.
2910 (output_pubnames): Add parameter to deal with either pubnames or
2911 pubtypes, and change code to deal with table being a vector.
2912 (gen_array_type_die): Add call to add_pubtype.
2913 (gen_enumeration_type_die): Add call to add_pubtype.
2914 (gen_struct_or_union_type_die): Add call to add_pubtype.
2915 (gen_subroutine_type_die): Add call to add_pubtype.
2916 (gen_typedef_die): Add call to add_pubtype.
2917 (dwarf2out_init): Add code to initialize pubname_table and
2918 pubtype_table vectors; also initialize debug_pubtypes_section.
2919 (prune_unused_types): Change to deal with pubnames being a vector.
2920 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2921 pubnames table to call to output_pubnames; Add code to output pubtypes
2922 table if DEBUG_PUBTYPES_SECTION is defined.
2923 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2925 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2927 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2929 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2930 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2931 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2932 movv2si_internal): Support moves between core registers.
2934 2006-11-14 Eric Christopher <echristo@apple.com>
2936 * configure: Regenerate with autoconf 2.59.
2938 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2940 Fix PR tree-optimization/27755
2942 * tree-ssa-pre.c: Update comments.
2943 (bb_bitmap_sets): Add pa_in and deferred member.
2944 (BB_DEFERRED): New macro.
2945 (maximal_set): New variable.
2946 (pre_stats): Add pa_insert member.
2947 (bitmap_set_and): Short circuit orig == dest.
2948 (bitmap_set_subtract_values): New function.
2949 (bitmap_set_contains_expr): Ditto.
2950 (translate_vuses_through_block): Add phiblock argument.
2951 (dependent_clean): New function.
2952 (compute_antic_aux): Update for maximal_set changes.
2953 (compute_partial_antic_aux): New function.
2954 (compute_antic): Handle partial anticipation.
2955 (do_partial_partial_insertion): New function.
2956 (insert_aux): Handle partial anticipation.
2957 (add_to_sets): Add to maximal set.
2958 (compute_avail): Ditto.
2959 (init_pre): Initialize maximal_set.
2960 (execute_pre): Do partial anticipation if -O3+.
2962 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
2964 PR rtl-optimization/29798
2966 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
2967 TARGET_INSN before any other check.
2968 (fwprop_init): Always calculate dominators.
2969 (fwprop_done): Always free them.
2971 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2973 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2976 2006-11-13 DJ Delorie <dj@redhat.com>
2978 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2979 temporary for intermediates.
2981 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
2983 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
2984 (sh_optimize_target_register_callee_saved): #if 0 the code
2985 using NOTE_INSN_LOOP_{BEG,END}.
2987 2006-11-13 Roger Sayle <roger@eyesopen.com>
2989 * fold-const.c (optimize_bit_field_compare): Recursively call
2990 fold when simplifying non-constant comparisons between bit-fields.
2992 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2994 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2996 * configure: Rebuilt.
2998 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3000 * config/rs6000/cell.md: New file.
3001 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3003 (ppccell_cost): New cost matrix.
3004 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3005 (rs6000_override_options): Set rs6000_always_hint to false
3006 for cell. Also align functions/lables/loops to 8byte
3007 for the Cell. Use PROCESSOR_CELL.
3008 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3009 using_mtcr_multiple.
3010 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3011 on the Cell, return 0.
3012 (rs6000_adjust_cost): Add Cell cost adjustments.
3013 (is_microcoded_insn): Return true for Cell microcoded
3015 (is_nonpipeline_insn): New function.
3016 (rs6000_issue_rate): Add PROCESSOR_CELL.
3017 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3019 (rs6000_use_sched_lookahead_guard): New function.
3020 (rs6000_sched_reorder): Reorder the ready list, if the second
3021 to last ready insn is a nonepipeline insn on the Cell.
3022 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3023 (ASM_CPU_SPEC): Add Cell.
3024 * config/rs6000/rs6000.md (cpu): Add Cell.
3025 (cell_micro): New Attr.
3028 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3030 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3032 * configure: Rebuilt.
3034 2006-11-13 Richard Guenther <rguenther@suse.de>
3036 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3038 (ix86_expand_lfloorceil): Likewise.
3039 (ix86_expand_rint): Likewise.
3040 (ix86_expand_floorceildf_32): Likewise.
3041 (ix86_expand_floorceil): Likewise.
3042 (ix86_expand_rounddf_32): Likewise.
3043 (ix86_expand_truncdf_32): Likewise.
3044 (ix86_expand_round): Likewise.
3046 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3047 Mark Mitchell <mark@codesourcery.com>
3049 * gcc.c: Organize search path variables into $prefix relative,
3050 and well-known native. Add comments.
3051 (add_sysrooted_prefix): Add comment.
3052 (process_command): If !gcc_exec_prefix add $prefix based paths.
3053 If *cross_compile == '0', add native well-known paths.
3054 Assert tooldir_base_prefix is always relative.
3055 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3056 use this value for 'install:' path.
3057 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3059 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3061 * config/i386/i386.c: Fix a typo in comment.
3063 2006-11-13 Michael Matz <matz@suse.de>
3065 * genemit.c (gen_expand): Allocate enough memory.
3067 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3069 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3070 __GXX_TYPEINFO_EQUALITY_INLINE but not
3071 __GXX_MERGED_TYPEINFO_NAMES.
3072 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3073 __GXX_MERGED_TYPEINFO_NAMES.
3074 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3075 __GXX_TYPEINFO_EQUALITY_INLINE.
3077 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3078 Zdenek Dvorak <dvorakz@suse.cz>
3080 PR tree-optimization/29680
3081 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3084 2006-11-12 Jason Merrill <jason@redhat.com>
3085 Andrew Pinski <pinskia@physics.uc.edu>
3088 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3090 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3092 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3093 * tree.c (build_vector): Handle non-_CST elements.
3095 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3097 * genemit.c (gen_insn): Call gen_exp with a non-null used
3098 when handling multiple insns.
3099 (gen_expand): Likewise.
3100 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3101 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3102 (movsi_const_16bit+1): Copy operands[1].
3103 (call_pcrel): Copy the call_site pattern.
3104 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3106 2006-11-12 Roger Sayle <roger@eyesopen.com>
3108 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3109 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3110 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3111 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3113 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3115 Fix PR tree-optimization/29587
3116 * tree-ssa-structalias.c (process_constraint): Don't
3117 mark address taken due only to escaped vars constraint.
3119 2006-11-12 Michael Matz <matz@suse.de>
3120 Roger Sayle <roger@eyesopen.com>
3122 PR rtl-optimization/29797
3123 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3124 BITS_BIG_ENDIAN targets.
3126 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3128 * builtins.c (fold_builtin_cosh): New.
3129 (fold_builtin_1): Use it.
3130 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3131 trunc to the list of "odd" functions. Also add llrint, lrint,
3132 rint and nearbyint when flag_rounding_math is false.
3134 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3136 * tree-flow.h (name_mappings_registered_p): Declare.
3137 * tree-into-ssa.c (name_mappings_registered_p): New function.
3138 * tree-cfg.c (tree_can_merge_blocks_p): Check
3139 name_mappings_registered_p instead of need_ssa_update_p.
3141 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3143 * tree-ssa-loop.c (tree_vectorize): Return the result of
3145 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3146 if anything changed.
3147 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3148 * tree-flow.h (vectorize_loops): Declaration changed.
3150 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3152 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3154 (issue_prefetch_ref): Move assignment to write_p out of loop.
3155 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3156 SIMULTANEOUS_PREFETCHES into account.
3157 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3158 * lambda-code.c (lcm): Renamed to ...
3159 (least_common_multiple): ... and exported.
3160 * tree-flow.h (least_common_multiple): Declare.
3162 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3164 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3165 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3166 ud-chains. Handle AND_EXPR.
3167 (record_estimate): Record whether the estimate is realistic
3168 and whether it is derived from a loop exit.
3169 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3170 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3172 (compute_estimated_nb_iterations): Take only realistic bounds into
3173 account. Set estimate_state. Use double_ints.
3174 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3175 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3176 that do not have to be always executed.
3177 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3178 to determine whether to call infer_loop_bounds_from_undefined
3179 and compute_estimated_nb_iterations.
3180 (n_of_executions_at_most): Use double_ints.
3181 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3182 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3183 * double-int.c (double_int_to_tree): Improve comment.
3184 (double_int_fits_to_tree_p): New function.
3185 * double-int.h (double_int_fits_to_tree_p): Declare.
3186 * tree-data-ref.c: Include langhooks.h.
3187 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3188 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3189 (analyze_array): Do not pass estimate_only argument to
3190 analyze_array_indexes.
3191 (get_number_of_iters_for_loop): Build tree from the stored double_int
3193 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3194 (find_data_references_in_loop): Use find_data_references_in_stmt.
3195 * tree-data-ref.h (struct data_ref_loc_d): New.
3196 (get_references_in_stmt): Declare.
3197 (estimate_iters_using_array): Declaration removed.
3198 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3199 double_int. Improve comments. Add is_exit and realistic
3201 (struct loop): Changed type of estimated_nb_iterations to double_int.
3202 Added estimate_state field.
3203 (record_estimate): Declaration removed.
3205 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3207 * params.c (set_param_value): Initialize the "set" field.
3208 * params.h (struct param_info): Add "set" field.
3209 (PARAM_SET_P): New macro.
3210 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3211 L1_CACHE_LINE_SIZE): New macros.
3212 * toplev.c (DEFPARAM): Initialize the "set" field.
3213 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3214 SIMULTANEOUS_PREFETCHES): Removed.
3215 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3216 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3217 * config/sparc/sparc.c: Include params.h.
3218 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3219 L1_CACHE_LINE_SIZE parameters.
3220 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3222 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3224 * config/i386/i386.c: Include params.h.
3225 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3226 (override_options): Set SIMULTANEOUS_PREFETCHES and
3227 L1_CACHE_LINE_SIZE parameters.
3228 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3229 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3230 L1_CACHE_LINE_SIZE parameters.
3231 * config/ia64/ia64.c (ia64_optimization_options): Set
3232 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3233 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3235 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3236 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3237 * doc/invoke.texi: Document new params.
3239 2006-11-12 Roger Sayle <roger@eyesopen.com>
3241 PR tree-optimization/13827
3242 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3245 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3247 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3248 update_single_exit_for_duplicated_loops): New functions.
3249 (duplicate_loop_to_header_edge): Use
3250 update_single_exit_for_duplicated_loops.
3251 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3252 functions only with ENABLE_CHECKING.
3254 2006-11-12 Andreas Schwab <schwab@suse.de>
3256 * except.c (sjlj_emit_function_enter): Remove unused variable.
3258 2006-11-11 Roger Sayle <roger@eyesopen.com>
3260 * fold-const.c (int_binop_types_match_p): New function.
3261 (size_binop): Relax constraint that both arguments must both have
3262 exactly the same sizetype type. Instead use int_binop_types_match_p.
3263 (size_diffop): Likewise.
3265 (make_range): Use build_int_cst instead of fold_convert.
3266 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3267 integer constants of the correct type.
3268 (fold_div_compare): Likewise.
3269 (fold_single_bit_test): Likewise.
3270 (fold_binary): Likewise.
3271 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3272 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3274 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3277 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3278 non null value if the struct memory access is in the 0th
3281 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3284 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3285 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3288 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3289 instead of builtin_define for bfin and BFIN.
3291 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3293 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3296 2006-11-11 Jan Hubicka <jh@suse.cz>
3298 * extend.texi (__builtin_expect): We no longer require second argument
3300 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3301 * builtins.c (expand_builtin_expect): Simplify.
3302 (expand_builtin_expect_jump): Kill.
3303 * final.c (final_scan_insn): Do not skip the removed notes.
3304 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3305 EXPECTED_VALUE): Remove.
3306 * dojump.c (do_jump): Do not care about __builtin_expect.
3307 * predict.c (expected_value_to_br_prob): Kill.
3308 * function.c (expand_function_end): Do not expand
3309 NOTE_INSN_REPEATED_LINE_NUMBER.
3310 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3311 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3312 * cfgexpand.c (add_reg_br_prob_note): Export.
3313 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3314 expected_value_to_br_prob.
3315 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3316 * rtl.h (add_reg_br_prob_note): Declare.
3318 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3320 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3322 2006-11-11 Jan Hubicka <jh@suse.cz>
3324 * predict.c (predict_loops): Kill RTL variant.
3326 2006-11-11 Jan Hubicka <jh@suse.cz>
3328 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3329 * modulo-sched.c (find_line_note): Remove.
3330 (loop_canon_p): Do not worry about line number notes.
3331 (sms_schedule): Likewise.
3332 * cse.c (cse_main): Likewise.
3333 * regmove.c (fixup_match_1): Likewise
3334 * function.c (emit_return_info_block): Likewise.
3335 (expand_function_end): Likewise.
3336 (thread_prologue_an_epilogue_insns): Likewise.
3337 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3339 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3340 emit_note_copy_after): Kill.
3341 (emit_note_copy): Do not worry about line numbers.
3342 * jump.c (purge_line_number_notes): Kill.
3343 (pass_purge_lineno_notes): Kill.
3344 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3346 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3347 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3348 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3349 * tree-pass.h (pass_purge_lineno_notes): Kill.
3350 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3351 rm_redundant_line_notes.
3352 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3353 rm_redundant_line_notes.
3354 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3355 * haifa-sched.c: Update comment about handling notes.
3356 (unlink_line_notes): Kill.
3357 (rm_line_notes): Kill.
3358 (save_line_notes): Simplify.
3359 (rm_redundant_line_notes): Kill.
3361 2006-11-11 Richard Guenther <rguenther@suse.de>
3363 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3364 Remove unused tree codes.
3365 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3366 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3367 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3368 * tree.c (stabilize_reference): Likewise.
3369 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3370 fold_unary): Likewise.
3371 * tree-gimple.c (is_gimple_cast): Likewise.
3372 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3373 * expr.c (expand_expr_real_1): Likewise.
3374 * tree-eh.c (tree_could_trap_p): Likewise.
3375 * gimplify.c (gimplify_expr): Likewise.
3376 * tree-inline.c (estimate_num_insns_1): Likewise.
3377 * tree-cfg.c (verify_expr): Likewise.
3379 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3381 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3382 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3383 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3385 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3388 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3389 constraints accept neither registers or memories.
3391 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3393 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3394 (NO_PROFILE_COUNTERS): Define as 1.
3396 2006-11-10 Roger Sayle <roger@eyesopen.com>
3398 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3399 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3401 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3403 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3405 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3407 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3408 (fold_builtin_hypot): Likewise.
3409 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3411 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3413 2006-11-10 Roger Sayle <roger@eyesopen.com>
3415 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3416 when attempting to build INTEGER_CSTs of non-integral types.
3417 * expmed.c (make_tree): Use the correct type, i.e. the inner
3418 type, when constructing the individual elements of a CONST_VECTOR.
3420 2006-11-10 Jan Hubicka <jh@suse.cz>
3422 * cse.c (cse_process_notes): Copy the propagated value.
3423 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3425 * gcse.c (try_replace_reg): Copy the replacement.
3426 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3427 (assign_386_stack_local): Always return copied memory expression
3428 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3431 2006-11-10 Jan Hubicka <jh@suse.cz>
3433 * final.c (final): Walk from first instruction.
3434 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3436 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3439 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3441 (umulv8hi3_highpart): Ditto.
3442 (vec_widen_smult_hi_v8hi): New expander.
3443 (vec_widen_smult_lo_v8hi): Ditto.
3445 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3448 * builtins.c (do_mpfr_arg3): New.
3449 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3451 2006-11-09 Eric Christopher <echristo@apple.com>
3456 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3457 * config.gcc (powerpc64-*-darwin*): New target.
3458 * config.host: Ditto.
3459 * config/rs6000/darwin64.h: New file.
3460 * config/rs6000/x-darwin64: Ditto.
3461 * config/rs6000/host-ppc64-darwin.c: Ditto.
3463 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3465 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3466 routines for integer division.
3468 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3470 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3472 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3475 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3477 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3479 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3480 simplify_subreg with BLKmode outer mode.
3482 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3484 * doc/invoke.texi: Minor formatting fixes in option lists.
3486 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3488 PR tree-optimization/29738
3489 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3490 (ccp_lattice_t): Remove UNKNOWN_VAL.
3491 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3492 Do not handle UNKNOWN_VAL.
3493 (get_default_value): Set initial value of virtual operands to
3495 (get_value): Always use get_default_value on uninitialized
3497 (set_value_varying, surely_varying_stmt_p): New functions.
3498 (set_lattice_value): Do not pass argument to get_value.
3499 Do not handle UNKNOWN_VAL.
3500 (likely_value): Follow the semantics described in the comment.
3501 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3502 phi nodes DONT_SIMULATE_AGAIN.
3503 (ccp_fold): Do not pass argument to get_value.
3504 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3507 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3509 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3510 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3512 2006-11-08 Roger Sayle <roger@eyesopen.com>
3514 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3515 test for inclusion rather than as a test for exclusion.
3516 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3517 the condition after calling fold_binary.
3518 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3519 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3520 * builtins.c (fold_builtin_isascii): Likewise.
3521 (fold_builtin_isdigit): Likewise.
3523 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3525 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3526 * configure: Regenerate.
3528 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3530 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3531 enum argument instead of bool.
3532 (vect_analyze_operations): Call vectorizable_type_promotion.
3533 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3534 stmt_vec_info_type value.
3535 (supportable_widening_operation, vectorizable_type_promotion): New
3536 function declarations.
3537 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3538 (vectorizable_type_promotion): New function.
3539 (vect_transform_stmt): Call vectorizable_type_promotion.
3540 * tree-vect-analyze.c (supportable_widening_operation): New function.
3541 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3543 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3546 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3547 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3548 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3550 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3551 * expr.c (expand_expr_real_1): Likewise.
3552 * optabs.c (optab_for_tree_code): Likewise.
3553 (init_optabs): Initialize new optabs.
3554 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3555 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3556 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3557 vec_unpacku_lo_optab): Initialize new optabs.
3558 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3559 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3560 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3562 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3563 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3564 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3565 (vec_unpacku_lo_optab): New optabs.
3566 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3567 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3568 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3569 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3570 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3571 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3573 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3574 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3575 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3576 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3577 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3578 implement the unsigned unpacking patterns.
3579 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3580 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3581 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3582 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3583 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3584 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3585 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3586 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3587 multiplication patterns.
3589 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3590 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3591 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3592 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3593 (rs6000_builtin_mul_widen_odd): New.
3594 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3595 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3596 * tree-vectorizer.h (enum vect_relevant): New enum type.
3597 (_stmt_vec_info): Field relevant chaned from bool to enum
3599 (STMT_VINFO_RELEVANT_P): Updated.
3600 (STMT_VINFO_RELEVANT): New.
3601 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3602 instead of STMT_VINFO_RELEVANT_P.
3603 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3604 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3605 and boolean variable with enum vect_relevant.
3606 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3607 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3608 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3610 2006-11-08 Richard Henderson <rth@redhat.com>
3612 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3613 vec_widen_umult_lo_v8hi): New.
3614 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3615 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3617 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3618 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3619 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3620 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3621 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3622 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3623 vec_unpacks_lo_v4si): New.
3625 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3627 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3628 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3629 (vect_analyze_operations): Call vectorizable_type_demotion.
3630 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3631 stmt_vec_info_type value.
3632 (vectorizable_type_demotion): New function declaration.
3633 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3636 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3637 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3639 * tree-iniline.c (estimate_num_insns_1): Likewise.
3640 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3641 * optabs.c (optab_for_tree_code): Likewise.
3643 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3644 compared against the predicate of the result is not 'mode' (the input
3645 to the function) but a mode with half the size of 'mode'.
3646 (init_optab): Initialize new optabs.
3647 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3649 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3651 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3652 (vec_pack_usat_optab): Initialize new optabs.
3653 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3654 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3656 2006-11-08 Richard Henderson <rth@redehat.com>
3658 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3659 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3660 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3661 (vec_interleave_highv4si, vec_interleave_lowv4si):
3662 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3664 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3666 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3668 (vect_transform_stmt): Removed redundant code.
3670 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3672 * tree-vect-transform.c (vectorizable_operation): Support multiple
3675 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3677 * tree-vect-transform.c (vect_align_data_ref): Removed.
3678 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3679 Updated function documentation. Return the increment stmt in ptr_incr.
3680 (bump_vector_ptr): New function.
3681 (vect_get_vec_def_for_stmt_copy): New function.
3682 (vect_finish_stmt_generation): Create a stmt_info to newly created
3684 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3686 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3687 VF is greater than the number of elements that can fit in one vector
3689 (vectorizable_operation, vectorizable_condition): Likewise.
3690 (vectorizable_store, vectorizable_load): Support the case that the VF
3691 is greater than the number of elements that can fit in one vector word.
3692 (vect_transform_loop): Don't fail in case of multiple data-types.
3693 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3694 in case of multiple data-types; the smallest type determines the VF.
3695 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3696 if they are of different sizes.
3697 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3698 number of elements rather than number of bytes.
3699 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3700 (vect_can_advance_ivs_p): Fix a dump printout
3702 2006-11-07 Eric Christopher <echristo@apple.com>
3704 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3705 (__bswapsi2): Ditto.
3706 * libgcc2.h: Remove transformation of bswap routines.
3707 * config/i386/i386.md (bswapsi2): New.
3710 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3712 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3713 (handle_gnu_inline_attribute): New function.
3714 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3715 (merge_decls, start_decl, start_function): Likewise.
3716 * doc/extend.texi: Document gnu_inline attribute.
3718 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3721 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3722 _fixunstfdi, and _floatditf
3724 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3726 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3728 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3729 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3730 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3731 which start in an odd register.
3733 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3735 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3737 2006-11-07 Josh Conner <jconner@apple.com>
3739 * doc/invoke.texi (fstrict-aliasing): Move implementation
3741 * doc/tree-ssa.texi (Alias analysis): ...here.
3743 2006-11-07 Richard Guenther <rguenther@suse.de>
3745 PR tree-optimization/29610
3746 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3747 of tree_purge_dead_eh_edges as it may free dominators.
3749 * g++.dg/other/pr29610.C: New testcase.
3751 2006-11-07 David Ung <davidu@mips.com>
3753 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3754 costs when optimizing for size.
3755 (override_options): Use mips_rtx_cost_optimize_size table for cost
3758 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3760 * gcc.c (process_command): Treat -b as normal switch if its argument
3763 2006-11-07 David Ung <davidu@mips.com>
3765 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3768 2006-11-06 Eric Christopher <echristo@apple.com>
3770 * config.gcc: Add x86_64-darwin host support.
3771 * config.host: Ditto.
3772 * config/i386/darwin64.h: New file.
3773 * config/i386/t-darwin64: Ditto.
3775 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3777 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3778 and output-exists-not.
3780 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3783 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3784 checking for overflow.
3786 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3788 * configure.ac: Fixed typo in case statement: :: changed to ;;
3790 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3792 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3793 count_leading_zeros, and count_trailing_zeros.
3794 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3795 (TARGET_FOLD_BUILTIN): Define.
3796 (TARGET_EXPAND_BUILTIN): Define.
3797 (xtensa_init_builtins): New.
3798 (xtensa_fold_builtin): New.
3799 (xtensa_expand_builtin): New.
3800 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3801 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3802 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3803 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3804 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3805 (any_extend): New code macro.
3806 (u, su): New code attributes.
3807 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3808 (nsau): Remove; replaced by clzsi2.
3809 (ffssi2): Use clzsi2.
3810 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3811 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3812 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3813 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3814 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3816 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3818 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3820 * config/arm/t-strongarm-elf: Likewise.
3821 * config/arm/t-pe: Likewise.
3822 * config/arm/t-arm-elf: Likewise.
3823 * config/arm/t-xscale-elf: Likewise.
3824 * config/arm/t-arm-coff: Likewise.
3825 * config/arm/t-xscale-coff: Likewise.
3826 * config/arm/t-wince-pe: Likewise.
3828 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3830 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3833 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3836 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3839 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3842 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3843 as a valid 80387 constant.
3844 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3845 * config/i386/i386.md (unnamed splitter): Split the load of
3846 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3849 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3851 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3852 from the soft-frame, argument and virtual registers.
3854 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3856 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3857 patterns for standard 80387 constants.
3859 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3860 Steven Bosscher <steven@gcc.gnu.org>
3862 * fwprop.c: New file.
3863 * Makefile.in: Add fwprop.o.
3864 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3865 * passes.c (init_optimization_passes): Schedule forward propagation.
3866 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3868 * timevar.def (TV_FWPROP): New.
3869 * common.opt (-fforward-propagate): New.
3870 * opts.c (decode_options): Enable forward propagation at -O2.
3871 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3872 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3873 canon_for_address, table_size): Remove.
3874 (new_basic_block, insert, remove_from_table): Remove references to
3876 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3877 simplification loop more straightforward by not calling fold_rtx
3879 (equiv_constant): Move here a small part of fold_rtx_subreg,
3880 do not call fold_rtx. Call avoid_constant_pool_reference
3882 * recog.h (canonicalize_change_group): New.
3884 * doc/invoke.texi (Optimization Options): Document fwprop.
3885 * doc/passes.texi (RTL passes): Document fwprop.
3887 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3889 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3890 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3891 (grokdeclarator): Likewise.
3893 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3895 * tree-dump.c (dump_enable_all): Rename local variable
3896 ir_type to avoid name conflicts.
3897 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3898 instead of using ir_type().
3899 * profile.c (tree_register_profile_hooks): Likewise.
3900 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3901 * basic-block.h (struct edge_def): Likewise.
3902 * config/arm/arm.c (legitimize_pic_address): Likewise.
3903 * coretypes.h (ir_type): New enum of all intermediate languages
3905 * cfghooks.c (ir_type): Rename to...
3906 (current_ir_type): ...this. Distinguish between cfgrtl and
3907 cfglayout mode when the current IR is RTL. Return enum ir_type.
3908 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3910 2006-11-03 Paul Brook <paul@codesourcery.com>
3912 * config/arm/arm.c (arm_file_start): New function.
3913 (TARGET_ASM_FILE_START): Define.
3914 (arm_default_cpu): New variable.
3915 (arm_override_options): Set arm_default_cpu.
3917 2006-11-03 David Ung <davidu@mips.com>
3919 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3920 PROCESSOR_24KC and PROCESSOR_24KF.
3921 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3922 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3923 (mips_rtx_cost_data): Add costs for the 24kc.
3924 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3925 * config/mips/24k.md: Remove references to 24k and replace with
3926 uses of 24kc/24kf in the appropriate reservations.
3927 * doc/invoke.texi (MIPS Options): Updated.
3929 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3931 * config/sh/crt1.asm: Fix #ifdef indent.
3933 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3934 Merged from STMicroelectronics sources:
3935 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3936 * config/sh/crt1.asm (vbr_600): Add missing #if.
3937 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3938 * sh.opt (mfused-madd): New option.
3939 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3940 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3941 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3942 Remove pointless handler at VBR+0.
3943 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3944 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3945 fr7. Make sure the timer handler is called with the correct FPU
3946 precision setting, according to the ABI.
3947 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3948 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3949 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3950 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3951 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3952 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3953 zero as second operand.
3954 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3955 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3956 Fixed some bugs related to negative values, in particular -0
3957 and overflow at -0x80000000.
3958 * config/sh/divcost-analysis: Added sh4-300 figures.
3959 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
3960 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
3961 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
3962 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
3963 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
3964 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3966 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3968 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3969 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3970 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3971 mac_mem, mem_mac, dfp_mul, fp_cmp.
3972 (insn_class, dfp_comp, any_fp_comp): Update.
3973 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3974 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3975 (muldf3_i): Likewise.
3976 (movsi_i): Split rI08 alternative into two separate alternatives.
3978 (movsi_ie, movsi_i_lowpart): Likewise.
3979 (movqi_i): Split ri alternative into two separate alternatives.
3981 * sh1.md (sh1_load_store, sh1_fp): Update.
3982 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
3983 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
3984 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
3985 (sh4a_fp_double_arith): Likewise.
3986 * sh4-300.md: New file.
3987 * sh.c (sh_handle_option): Handle m4-300* options.
3988 (sh_adjust_cost): Fix latency of auto-increments.
3989 Handle SH4-300 differently than other SH4s. Check for new insn types.
3990 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3991 been set by an option.
3992 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3993 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3994 (mbranch-cost=): Likewise.
3995 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3997 * sh.md (mulsf3): Remove special expansion code.
3998 (mulsf3_ie): Now a define_insn_and_split.
3999 (macsf3): Allow for TARGET_SH4.
4001 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4002 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4003 (expand_cbranchdi4): Likewise.
4004 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4005 CONST_DOUBLE if the outer code is COMPARE.
4006 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4007 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4008 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4009 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4010 Remove redundant fp_{zero,one}_operand checks.
4011 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4012 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4013 (expand_cbranchdi4): Likewise.
4014 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4015 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4017 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4019 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4022 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4024 * doc/invoke.texi: Fix mfp-trap-mode typo.
4026 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4028 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4029 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4030 file_end_indicate_exec_stack.
4031 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4033 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4034 for a non-executable stack.
4035 * crti.asm: Likewise.
4036 * crtn.asm: Likewise.
4037 * libunwind.S: Likewise.
4039 2006-11-02 Ben Elliston <bje@au.ibm.com>
4041 * tree-ssa.c (warn_uninit): Use expand_location variables for
4042 locus and declaration locus.
4044 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4047 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4048 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4049 cmp{eq,gt,gtu}{si,di}_media.
4050 (*cmpne0si_media): Remove.
4051 (*movsicc_umin): Adjust gen_cmp*_media call.
4052 (unordered): Change the mode of unordered and operands[1] to
4054 (seq): Adjust gen_cmp*_media calls. Make the mode of
4055 a temporary result of compare SImode if needed. If the mode
4056 of operands[0] is DImode, extend the temporary result to DImode.
4057 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4058 (sunorderd): Change the mode of match_operand and unorderd to
4060 (cmpeq{sf,df}_media): Remove.
4061 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4062 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4063 and compare operation to SImode.
4065 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4067 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4069 (sparc64-sun-solaris2*): Likewise.
4071 2006-11-02 Paul Brook <paul@codesourcery.com>
4073 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4074 from priority argument. Use different section for non-default
4076 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4078 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4081 * except.c (switch_to_exception_section): Do not cache the section
4082 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4083 and flag_function_sections is set.
4085 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4088 * builtins.c (do_mpfr_sincos): New.
4089 (fold_builtin_1): Use it to fold builtin sincos.
4091 2006-11-01 Roger Sayle <roger@eyesopen.com>
4093 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4094 it into -D_REENTRANT.
4096 2006-11-01 Roger Sayle <roger@eyesopen.com>
4098 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4099 whether the assembler supports taking the difference of symbols in
4100 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4101 * configure: Regenerate.
4102 * config.in: Regenerate.
4103 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4104 the assembler doesn't support taking the difference of symbols in
4105 different sections, i.e. we're using the native solaris assembler.
4107 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4108 Peter Bergner <bergner@vnet.ibm.com>
4110 * doc/invoke.texi: Add cpu_type power6x
4111 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4112 * config.gcc: Add cpu_type power6x.
4113 * configure.ac: Add test for mf{t,f}gpr instructions.
4114 (HAVE_AS_MFPGPR): New.
4115 * config.in: Regenerate.
4116 * configure: Regenerate.
4117 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4118 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4119 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4120 and mftgpr attributes.
4121 (define_attr "cpu"): Add power6.
4122 Change instruction sequences to use new attributes.
4123 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4124 (fix_truncdfsi2_mfpgpr): New.
4125 (floatsidf_ppc64_mfpgpr): New.
4126 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4127 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4128 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4129 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4130 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4131 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4132 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4133 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4134 cntlz,exts and var_delayed_compare.
4135 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4136 _ARCH_PWR6X, if features enabled.
4137 * config/rs6000/rs6000.opt (mmfpgpr): New.
4138 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4139 (cached_can_issue_more): New variable.
4140 (processor_costs): Add power6_cost.
4141 (rs6000_sched_init): New function.
4142 (is_dispatch_slot_restricted): Deleted.
4143 (set_to_load_agen): New function.
4144 (is_load_insn,is_store_insn): New functions.
4145 (adjacent_mem_locations): New function.
4146 (insn_must_be_first_in_group): New function.
4147 (insn_must_be_last_in_group): New function.
4148 (rs6000_sched_reorder): New function.
4149 (rs6000_sched_reorder2): New function.
4150 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4151 TARGET_SCHED_REORDER2): Define.
4152 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4153 Add power6x. Add MASK_MFPGPR for power6x.
4154 (POWERPC_MASKS): Add MASK_MFPGPR.
4155 (rs6000_override_options): Set rs6000_always_hint to false
4156 for power6. Set rs6000_align_branch_targets. Replace
4157 rs6000_sched_groups check with rs6000_align_branch_targets.
4158 Use PROCESSOR_POWER6.
4159 (last_scheduled_insn): New variable.
4160 (load_store_pendulum): New variable.
4161 (rs6000_variable_issue): Set last_scheduled_insn and
4162 cached_can_issue_more.
4163 (rs6000_adjust_cost): Add power6 cost adjustments.
4164 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4165 with insn_must_be_first_in_group. Add power6 priority adjustments.
4166 (rs6000_issue_rate): Add CPU_POWER6.
4167 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4168 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4169 (TARGET_MFPGPR): New.
4170 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4171 (ASM_CPU_SPEC): Add power6x.
4172 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4174 * config/rs6000/power6.md: New file.
4176 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4178 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4179 HOST_WIDE_INT_PRINT to print high and low parts. Use
4180 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4181 printing a hexadecimal number prefix it with 0x.
4183 2006-11-01 Chris Johns <chris@contemporary.net.au>
4186 * Makefile.in (install-driver): Use exeext when installing
4187 $target-gcc-$version.
4189 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4191 * c-common.c (flag_cpp0x): New.
4192 * c-common.h (flag_cpp0x): New.
4193 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4194 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4195 * c-opts.c (set_std_cxx0x): New.
4196 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4197 * c.opt (std=c++0x): Document.
4198 (std=gnu++0x): Ditto.
4199 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4200 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4202 2006-11-01 Richard Guenther <rguenther@suse.de>
4204 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4206 (ix86_expand_floorceildf_32): Likewise.
4207 (ix86_expand_floorceil): Likewise.
4208 (ix86_expand_trunc): Likewise.
4210 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4212 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4215 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4217 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4219 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4221 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4223 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4224 * configure.ac (use_cxa_atexit): As a special case, don't test
4225 for libc definition of __cxa_atexit on mingw32
4226 * configure: Regenerate.
4227 * config.gcc (i[34567]86-pc-mingw32): Default to
4228 enable__cxa_atexit=yes.
4230 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4232 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4234 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4237 * c-decl.c (start_struct): Don't create self-containing
4239 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4241 * config/rs6000/rs6000-protos.h
4242 (darwin_rs6000_special_round_type_align): New.
4243 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4244 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4246 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4248 * toplev.c (compile_file): Call final_write_globals
4249 even if there have been errors.
4251 2006-10-31 Eric Christopher <echristo@apple.com>
4252 Falk Hueffner <falk@debian.org>
4254 * doc/extend.texi (__builtin_bswap32): Document.
4255 (__builtin_bswap64): Ditto.
4256 * doc/libgcc.texi (bswapsi2): Document.
4258 * doc/rtl.texi (bswap): Document.
4259 * optabs.c (expand_unop): Don't widen a bswap.
4260 (init_optabs): Init bswap. Set libfuncs explicitly
4261 for bswapsi2 and bswapdi2.
4262 * optabs.h (OTI_bswap): New.
4263 (bswap_optab): Ditto.
4264 * genopinit.c (optabs): Handle bswap_optab.
4265 * tree.h (tree_index): Add TI_UINT32_TYPE and
4267 (uint32_type_node): New.
4268 (uint64_type_node): Ditto.
4269 * tree.c (build_common_tree_nodes_2): Initialize
4270 uint32_type_node and uint64_type_node.
4271 * builtins.c (expand_builtin_bswap): New.
4272 (expand_builtin): Call.
4273 (fold_builtin_bswap): New.
4274 (fold_builtin_1): Call.
4275 * fold-const.c (tree_expr_nonnegative_p): Return true
4277 * builtin-types.def (BT_UINT32): New.
4279 (BT_FN_UINT32_UINT32): Ditto.
4280 (BT_FN_UINT64_UINT64): Ditto.
4281 * builtins.def (BUILT_IN_BSWAP32): New.
4282 (BUILT_IN_BSWAP64): Ditto.
4283 * rtl.def (BSWAP): New.
4284 * genattrtab.c (check_attr_value): New.
4285 * libgcc2.c (__bswapSI2): New.
4286 (__bswapDI2): Ditto.
4287 * libgcc2.h (__bswapSI2): Declare.
4288 (__bswapDI2): Ditto.
4289 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4290 * simplify-rtx.c (simplify_const_unary_operation): Return
4292 * libgcc-std.ver (__bwapsi2): Add.
4293 (__bswapdi2): Ditto.
4294 * reload1.c (eliminate_regs_1): Add bswap.
4295 (elimination_effects): Ditto.
4296 * config/i386/i386.h (x86_bswap): New.
4297 (TARGET_BSWAP): Use.
4298 * config/i386/i386.c (x86_bswap): Set.
4300 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4302 * coverage.c (coverage_checksum_string): Update comment.
4303 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4304 of get_file_function_name.
4305 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4306 of get_file_function_name_long.
4307 * tree.c (get_file_function_name): Rename from
4308 get_file_function_name_long; improve comment; handle 'I' and 'D'
4309 specially when the target has ctor/dtor support; remove special
4311 (get_file_function_name): Remove.
4312 * tree.h (get_file_function_name): Rename from
4313 get_file_function_name_long.
4314 (get_file_function_name): Remove prototype.
4316 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4318 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4319 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4321 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4322 Call dsymutil when compiling and linking one or more source files
4325 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4328 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4330 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4332 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4333 inline static functions in c99 mode.
4336 * doc/extend.texi (Inline): Update.
4337 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4338 * c-decl.c (current_extern_inline): Delete.
4339 (pop_scope): Adjust test for an undefined nested function.
4340 Add warning about undeclared inline function.
4341 (diagnose_mismatched_decls): Update comments. Disallow overriding
4342 of inline functions in a translation unit in C99. Allow inline
4343 declarations in C99 at any time.
4344 (merge_decls): Boolize variables. Handle C99 'extern inline'
4346 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4347 C99 inline semantics.
4348 (start_function): Don't clear current_extern_inline. Don't set
4350 (c_push_function_context): Don't push current_extern_inline.
4351 (c_pop_function_context): Don't restore current_extern_inline.
4354 * c-typeck.c (build_external_ref): Warn about static variables
4355 used in extern inline functions.
4356 * c-decl.c (start_decl): Warn about static variables declared
4357 in extern inline functions.
4359 2006-10-31 Roger Sayle <roger@eyesopen.com>
4362 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4363 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4364 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4365 or y is an even integer.
4367 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4370 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4371 * gthr-posix95.h (__gthread_active_p): Likewise.
4373 2006-10-31 Richard Guenther <rguenther@suse.de>
4375 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4376 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4377 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4378 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4379 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4380 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4381 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4382 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4385 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4387 * opts.c (decode_options): Disable CSE skip blocks.
4389 2006-10-30 Dirk Mueller <dmueller@suse.de>
4391 * c-common.h (strict_aliasing_warning): Fix whitespace.
4392 * c-decl (start_function): Move code for main decl warning ..
4393 * c-common.c (check_main_parameter_types): .. here.
4394 * c-common.h (check_main_parameter_types): Declare.
4396 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4399 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4401 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4403 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4404 be a PARALLEL containing sets. Return false when out_pat is not
4407 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4409 * config/mips/mips.md (mul<mode>3): Split into...
4410 (mulsi3, muldi3): ...these separate patterns.
4412 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4414 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4415 but with each set of options separated by spaces.
4417 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4419 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4420 dwarf_reg_size_table has been initialized.
4422 2006-10-30 Roger Sayle <roger@eyesopen.com>
4424 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4425 * ddg.c (print_ddg_edge): Likewise.
4426 * dwarf2out.c (prune_unused_types_walk): Likewise.
4427 * ifcvt.c (noce_try_cmove_arith): Likewise.
4428 * langhooks.c (add_builtin_function): Likewise.
4429 * reg-stack.c (subst_stack_regs_pat): Likewise.
4430 * tree.c (expanded_location): Likewise.
4431 * tree-dump.c (dequeue_and_dump): Likewise.
4433 2006-10-30 David Daney <ddaney@avtrex.com>
4435 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4437 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4439 PR tree-optimization/29637
4440 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4441 of the innertype is the innertype itself.
4443 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4445 * dwarf2out.c (file_name_acquire): Correct typo.
4447 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4449 * tree.h (tree_value_handle): Remove struct value_set declaration.
4450 Change value_set to bitmap_set.
4451 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4452 * tree-vn.c (get_value_handle): Made inline and moved to
4454 * tree-flow-inline.h: (has_stmt_ann): New function.
4455 * tree-ssa-pre.c (expressions): New variable.
4456 (next_expression_id): Ditto.
4457 (alloc_expression_id): New function.
4458 (struct value_set): Remove.
4459 (get_expression_id): New function.
4460 (get_or_alloc_expression_id): Ditto.
4461 (expression_for_id): Ditto.
4462 (clear_expression_ids): Ditto.
4463 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4464 (bb_value_sets): Renamed to bb_bitmap_sets.
4465 All value sets replaced with bitmap_sets.
4467 (BB_VISITED): New macro.
4468 (postorder): New variable.
4469 (add_to_value): Removed.
4470 (value_exists_in_set_bitmap): Ditto.
4471 (value_insert_into_set_bitmap): Ditto.
4474 (set_remove): Ditto.
4475 (set_contains_value): Ditto.
4476 (insert_into_set): Ditto.
4478 (find_leader): Ditto.
4479 (bitmap_set_subtract_from_value_set): Ditto.
4480 (value_insert_into_set): Ditto.
4481 (print_value_set): Ditto.
4482 (debug_value_set): Ditto.
4483 (constant_expr_p): New function.
4484 (bitmap_remove_from_set): Ditto.
4485 (bitmap_insert_into_set): Ditto.
4486 (bitmap_set_free): Ditto.
4487 (vh_compare): Ditto.
4488 (sorted_array_from_bitmap_set): Ditto.
4489 (bitmap_set_subtract): Ditto.
4490 (bitmap_set_equal): Ditto.
4491 (debug_bitmap_set): Ditto.
4492 (find_leader_in_sets): Ditto.
4493 (bitmap_set_replace_value): Modify for bitmapped sets.
4494 (phi_translate): Ditto.
4495 (phi_translate_set): Ditto.
4496 (bitmap_find_leader): Ditto.
4497 (valid_in_sets): Ditto.
4498 (union_contains_value): Ditto.
4500 (compute_antic_aux): Ditto. Mark changed blocks.
4501 (compute_antic): Ditto. Iterate in postorder and only over
4503 (compute_rvuse_and_antic_safe): Reuse postorder.
4504 (create_component_ref_by_pieces): Modify for bitmapped sets.
4505 (find_or_generate_expression): Ditto.
4506 (create_expression_by_pieces): Ditto.
4507 (insert_into_preds_of_block): Ditto.
4508 (changed_blocks): New variable.
4509 (do_regular_insertion): Broken out from insert_aux.
4510 (insert_aux): Modified for bitmapped sets.
4511 (find_existing_value_expr): New function.
4512 (create_value_expr_from): Use it.
4513 (insert_extra_phis): Removed.
4514 (print_bitmap_set): Renamed from bitmap_print_value_set.
4515 (compute_avail): Handle RETURN_EXPR.
4516 (init_pre): Modify for bitmapped sets.
4517 * tree-flow.h (has_stmt_ann): New function.
4519 2006-10-29 Roger Sayle <roger@eyesopen.com>
4521 * builtins.c (fold_builtin_floor): Check for the availability of
4522 the C99 trunc function before transforming floor into trunc.
4524 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4526 * builtins.c (fold_builtin_hypot): Rearrange recursive
4527 transformation before others, and also do ABS_EXPR. When
4528 necessary, check flag_unsafe_math_optimizations. When necessary,
4531 2006-10-29 Roger Sayle <roger@eyesopen.com>
4533 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4534 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4535 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4536 Fold -X eq/ne -Y as X eq/ne Y.
4538 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4540 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4541 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4542 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4543 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4544 Use an inclusive test for "mult" rather than "mul".
4545 (rotr<mode>3): Depend on ISA_HAS_ROR.
4546 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4548 (GENERATE_MULT3_DI): Delete.
4549 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4550 (ISA_HAS_MUL3): New macro.
4551 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4552 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4553 (ISA_HAS_CLZ_CLO): Likewise.
4554 (ISA_HAS_DCLZ_DCLO): Delete.
4555 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4556 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4557 the VR4120 and VR4130.
4558 (ISA_HAS_MACCHI): Use consistent formatting.
4559 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4560 (ISA_HAS_ROR): ...this new macro.
4561 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4562 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4563 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4565 2006-10-29 Roger Sayle <roger@eyesopen.com>
4567 PR tree-optimization/15458
4568 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4571 2006-10-29 Richard Guenther <rguenther@suse.de>
4573 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4574 (ix86_expand_truncdf_32): Likewise.
4575 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4576 trunc inline for SSE math and -fno-trapping-math and if not
4577 optimizing for size.
4578 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4579 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4580 for expanding btrunc inline for SSE math.
4582 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4584 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4585 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4586 i[34567]86-*-solaris2.1[0-9]*.
4587 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4588 Define conditionally depending on TARGET_64BIT_DEFAULT.
4589 (SPEC_32, SPEC_64): Define.
4590 (LINK_SPEC): Use them.
4591 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4593 2006-10-29 Richard Guenther <rguenther@suse.de>
4595 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4596 (ix86_expand_rounddf_32): Likewise.
4597 * config/i386/i386.c (ix86_expand_round): New function expanding
4598 round inline for SSE math and -fno-trapping-math and if not
4599 optimizing for size.
4600 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4601 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4602 round via ix86_expand_round.
4604 2006-10-29 Richard Guenther <rguenther@suse.de>
4606 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4607 (ix86_expand_floorceildf_32): Likewise.
4608 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4609 static helper function.
4610 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4612 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4613 * config/i386/i386.md (floordf2): Adjust to enable floor
4614 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4615 -fno-trapping-math is enabled and if not optimizing for size.
4616 (floorsf2, ceildf2, ceilsf2): Likewise.
4617 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4618 (sse2_maskcmpdf3): Likewise.
4620 2006-10-29 Richard Guenther <rguenther@suse.de>
4622 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4623 rint in case -fno-trapping-math is enabled.
4624 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4625 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4626 (ix86_expand_sse_fabs): Likewise.
4627 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4628 * config/i386/i386.md (rintdf2): Enable for SSE math if
4629 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4630 (rintsf2): Likewise.
4632 2006-10-29 Richard Guenther <rguenther@suse.de>
4634 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4635 to conversion optabs.
4636 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4637 as conversion optab.
4638 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4639 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4640 (lfloor_optab, lceil_optab): Adjust defines.
4641 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4642 lfloor and lceil optabs now being conversion optabs.
4643 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4644 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4645 New static helper function.
4646 (ix86_expand_lfloorceil): New function to expand lfloor and
4648 * config/i386/i386.md (lfloor<mode>2): Split into ...
4649 (lfloorxf<mode>2): ... x87 variant
4650 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4651 using ix86_expand_lfloorceil.
4652 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4654 * doc/md.texi (lfloorMN, lceilMN): Document.
4656 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4658 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4659 -mno-shared assembler option on mips targets.
4660 * configure, config.in: Regenerate.
4661 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4662 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4663 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4665 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4667 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4668 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4670 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4672 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4673 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4676 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4679 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4680 (fold_builtin_pow): Evaluate constant arguments at compile-time
4682 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4683 (do_mpfr_ckconv): New helper function.
4684 (do_mpfr_arg1): Use do_mpfr_ckconv.
4685 (do_mpfr_arg2): New.
4687 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4690 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4691 (-fdump-rtl-sched): Rename to ..
4692 (-fdump-rtl-sched1): here. Also fix file extension number.
4694 2006-10-28 Richard Guenther <rguenther@suse.de>
4696 * fold-const.c (maybe_canonicalize_comparison): Fix code
4699 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4701 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4702 (NON_QI_REG_P): Use IN_RANGE.
4703 (REX_INT_REGNO_P): Use IN_RANGE.
4704 (FP_REGNO_P): Use IN_RANGE.
4705 (SSE_REGNO_P): Use IN_RANGE.
4706 (REX_SSE_REGNO_P): Use IN_RANGE.
4707 (MMX_REGNO_P): Use IN_RANGE.
4708 (STACK_REGNO_P): New macro.
4709 (STACK_REG_P): Use STACK_REGNO_P.
4710 (NON_STACK_REG_P): Use STACK_REGNO_P.
4711 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4712 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4713 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4714 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4715 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4717 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4719 * except.h (output_function_exception_table): Add 'const char*' param.
4720 * except.c (switch_to_exception_section): Add 'const char*' param.
4721 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4722 and flag_function_sections is set, use a function-specific section.
4723 (output_function_exception_table): Add 'const char*' param.
4724 Adjust call to switch_to_exception_section.
4725 * final.c (rest_of_handle_final): Adjust calls to
4726 output_function_exception_table.
4727 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4728 * config.in: Regenerate.
4729 * configure: Likewise.
4731 2006-10-28 Richard Guenther <rguenther@suse.de>
4734 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4735 for maybe_canonicalize_comparison.
4736 (maybe_canonicalize_comparison): New function for canonicalizing
4738 (fold_comparison): Call it to canonicalize comparisons with
4741 2006-10-28 Richard Guenther <rguenther@suse.de>
4744 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4745 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4746 (expand_builtin): Adjust likewise.
4747 * genopinit.c (optabs[]): Add lround optab.
4748 * optabs.c (init_optabs): Initialize lround_optab.
4749 * optabs.h (enum convert_optab_index): Add COI_lround.
4750 (lround_optab): Define.
4751 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4752 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4754 (ix86_expand_lround): New function.
4755 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4757 * doc/md.texi (lroundMN2): Document.
4759 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4762 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4763 argument to HOST_WIDE_INT. Update function prototype.
4764 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4765 "size" argument to HOST_WIDE_INT. Update function prototype.
4767 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4769 * config/i386/i386.c (output_387_ffreep): Create output from a
4770 template string for !HAVE_AS_IX86_FFREEP.
4772 2006-10-27 Eric Christopher <echristo@apple.com>
4774 * config/darwin.c: Fix formatting and grammar.
4776 2006-10-27 Jan Hubicka <jh@suse.cz>
4778 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4779 to be thrown away soon when IGNORE is set.
4780 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4781 indicating when return value shall not be computed.
4782 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4784 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4786 * config/i386/i386.h (TARGET_GEODE):
4787 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4788 (TARGET_CPU_DEFAULT_geode): New macro.
4789 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4790 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4791 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4792 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4793 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4795 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4796 (processor_type): Add PROCESSOR_GEODE.
4798 * config/i386/i386.md: Include geode.md.
4801 * config/i386/i386.c (geode_cost): New initialized global
4803 (m_GEODE, m_K6_GEODE): New macros.
4804 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4805 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4806 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4807 x86_schedule): Use m_K6_GEODE instead of m_K6.
4808 (x86_movx, x86_cmove): Set up m_GEODE.
4809 (x86_integer_DFmode_moves): Clear m_GEODE.
4810 (processor_target_table): Add entry for geode.
4811 (processor_alias_table): Ditto.
4813 * config/i386/geode.md: New file.
4815 * doc/invoke.texi: Add entry about geode processor.
4817 2006-10-27 Mike Stump <mrs@apple.com>
4819 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4820 __DYNAMIC__ from here back to ...
4821 * config/darwin.h (CPP_SPEC): ... here.
4823 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4824 Nathan Sidwell <nathan@codesourcery.com>
4826 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4827 when choosing the minimum heapsize.
4829 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4831 * gcc/unwind-dw2.h: Move cfa-related variables into
4832 struct frame_state_reg_info to ensure that the CFA is properly
4833 handled when executing DW_CFA_{remember,restore}_state.
4834 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4835 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4836 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4837 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4838 gcc/config/rs6000/linux-unwind.h,
4839 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4840 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4841 Modify to use new cfa_* fields.
4843 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4845 * config/s390/s390.c (s390_init_frame_layout): Check positive
4848 2006-10-26 Ben Elliston <bje@au.ibm.com>
4850 * gimplify.c (get_name): Remove extraneous break.
4851 (gimplify_omp_for): Initialise ret with GS_OK.
4853 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4855 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4856 Add unix98.o to link line.
4858 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4861 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4862 Calculate compile-time constants using MPFR.
4863 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4864 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4866 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4868 * config/xtensa/lib2funcs.S: Use C-style comments.
4870 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4872 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4873 (file_table_relative_p): Likewise.
4874 (dwarf2out_finish): Likewise.
4875 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4877 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4879 * tree-ssa-structalias.c (intra_create_variable_infos):
4880 Don't recreate nonlocal_all if it already exists.
4882 2006-10-25 Richard Guenther <rguenther@suse.de>
4885 * optabs.h (enum optab_index): Remove OTI_lrint.
4886 (enum convert_optab_index): Add COI_lrint.
4887 (lrint_optab): Adjust.
4888 (expand_sfix_optab): Declare.
4889 * optabs.c (expand_sfix_optab): New function.
4890 (init_optabs): Init lrint_optab as conversion optab.
4891 * genopinit.c (lrint_optab): Change to a conversion optab.
4892 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4893 expansion via conversion optab.
4894 * config/i386/i386.md (*fistdi2_1): Remove
4895 flag_unsafe_math_optimizations guard.
4896 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4897 fist<mode>2_with_temp): Likewise.
4898 (lrint<mode>2): Split into...
4899 (lrintxf<mode>2): ... x87 part
4900 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4901 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4902 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4903 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4904 * doc/md.texi (lrintMN2): Document.
4906 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4909 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4910 Use inc and dec instructions for TARGET_USE_INCDEC.
4911 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4912 ("sync_double_compare_and_swap<mode>"): Likewise.
4913 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4914 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4915 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4916 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4917 ("sync_old_add<mode>"): Likewise.
4918 ("sync_lock_test_and_set<mode>"): Likewise.
4919 ("sync_lock_test_and_set<mode>"): Likewise.
4920 ("sync_add<mode>"): Likewise.
4921 ("sync_sub<mode>"): Likewise.
4922 ("sync_ior<mode>"): Likewise.
4923 ("sync_and<mode>"): Likewise.
4924 ("sync_xor<mode>"): Likewise.
4926 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4928 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4929 (remainder_optab): Define corresponding macro.
4930 (drem_optab): Remove.
4931 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4932 drem_optab initialization.
4933 * genopinit.c (optabs): Implement remainder_optab using
4934 remainder?f3 patterns. Remove drem_optab.
4935 * builtins.c (expand_builtin_mathfn_2): Handle
4936 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4937 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4938 expand_builtin_mathfn_2.
4940 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4941 depend on flag_unsafe_math_optimizations.
4943 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4944 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4945 Do not depend on flag_unsafe_math_optimizations. Use
4946 truncxf?f expander instead of truncxf?f_i387_noop.
4948 ("fpremxf4", "fprem1xf4"): Do not depend on
4949 flag_unsafe_math_optimizations.
4950 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4951 flag_unsafe_math_optimizations. Use truncxf?f expander
4952 instead of truncxf?f_i387_noop.
4954 * doc/md.texi (fmod, remainder): Document standard named pattern.
4956 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4957 David Daney <ddaney@avtrex.com>
4960 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
4962 2006-10-25 Ben Elliston <bje@au.ibm.com>
4964 * doc/extend.texi (Variable Attributes): Typo fix.
4966 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4968 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4969 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4970 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4971 (FRAME_POINTER_REGNUM): Update register number to 21.
4972 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4973 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4975 * config/i386/i386.c (regclass_map): Add fpcr entry.
4976 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4978 (print_reg): Assert REGNO (x) != FPCR_REG.
4980 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4981 (DIRFLAG_REG): Renumber.
4982 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
4983 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
4984 (sse_prologue_save, *sse_prologue_save_insn): Renumber
4985 hardcoded SSE register numbers.
4987 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4988 hardcoded MMX register numbers.
4990 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4993 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4994 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4996 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4997 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4998 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4999 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5001 2006-10-24 Richard Guenther <rguenther@suse.de>
5004 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5005 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5006 for deciding optimizations in consistency with fold-const.c
5007 (fold_builtin_unordered_cmp): Likewise.
5009 2006-10-24 Richard Guenther <rguenther@suse.de>
5011 * builtins.c (fold_builtin_floor): Fold floor (x) where
5012 x is nonnegative to trunc (x).
5013 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5014 nonnegative to FIX_TRUNC_EXPR.
5016 2006-10-24 Richard Guenther <rguenther@suse.de>
5018 PR tree-optimization/29567
5019 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5020 for TRUTH_NOT_EXPR. Clarify comments.
5022 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5025 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5026 at compile-time using MPFR. Change parameter VALUE to FUNC,
5028 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5029 for overflow and underflow at all times and avoid folding in
5032 2006-10-24 Ben Elliston <bje@au.ibm.com>
5034 * reload1.c: Formatting fixes.
5036 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5038 PR tree-optimization/14784
5039 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5040 * tree-ssa-structalias.c (get_constraint_for,
5041 intra_create_variable_infos): Set is_heapvar.
5042 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5043 non-heapvar pointer variables specially.
5045 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5048 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5049 fold_builtin_tan): Fold all constant arguments. Take a "type"
5050 argument as necessary.
5051 (do_mpfr_arg1): New.
5052 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5054 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5056 * config/xtensa/lib1funcs.asm: Use C-style comments.
5058 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5060 * tree.c (local_define_builtin): Replace calls to
5061 lang_hooks.builtin_function with add_builtin_function.
5062 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5064 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5066 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5067 common code to add_builtin_function.
5068 * langhooks.c (add_builtin_function): New function.
5069 (lhd_builtin_function): New function.
5070 * langhooks.h (struct lang_hooks): Change the signature of
5072 (add_builtin_function): New function.
5073 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5074 calls to lang_hooks.builtin_function with add_builtin_function.
5075 * c-common.c (decl_builtin_1): Replace calls to
5076 lang_hooks.builtin_function with add_builtin_function.
5077 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5078 lang_hooks.builtin_function with add_builtin_function.
5079 * config/frv/frv.c (def_builtin): Replace calls to
5080 lang_hooks.builtin_function with add_builtin_function.
5081 * config/s390/s390.c (s390_init_builtins): Replace calls to
5082 lang_hooks.builtin_function with add_builtin_function.
5083 * config/sparc/sparc.c (def_builtin): Replace calls to
5084 lang_hooks.builtin_function with add_builtin_function.
5085 * config/i386/i386.c (def_builtin): Replace calls to
5086 lang_hooks.builtin_function with add_builtin_function.
5087 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5088 lang_hooks.builtin_function with add_builtin_function.
5089 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5090 lang_hooks.builtin_function with add_builtin_function.
5091 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5092 Replace calls to lang_hooks.builtin_function with
5093 add_builtin_function.
5094 * config/iq2000/iq2000.c (def_builtin):
5095 Replace calls to lang_hooks.builtin_function with
5096 add_builtin_function.
5097 * config/ia64/ia64.c (def_builtin): Replace calls to
5098 lang_hooks.builtin_function with add_builtin_function.
5099 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5100 lang_hooks.builtin_function with add_builtin_function.
5101 (altivec_init_builtins): Replace calls to
5102 lang_hooks.builtin_function with add_builtin_function.
5103 * config/arm/arm.c (def_mbuiltin): Replace calls to
5104 lang_hooks.builtin_function with add_builtin_function.
5105 (arm_init_tls_builtins): Replace calls to
5106 lang_hooks.builtin_function with add_builtin_function.
5107 * config/mips/mips.c (mips_init_builtins): Replace calls to
5108 lang_hooks.builtin_function with add_builtin_function.
5109 * config/bfin/bfin.c (def_builtin): Replace calls to
5110 lang_hooks.builtin_function with add_builtin_function.
5111 * langhooks-def.h (lhd_builtin_function): New function.
5112 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5114 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5116 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5117 BUILT_IN_STRNCAT_CHK.
5119 2006-10-23 Jan Hubicka <jh@suse.cz>
5121 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5122 don't do conversion from memmove to memcpy here.
5123 (expand_builtin_bcopy, expand_builtin): Update call of
5124 expand_builtin_memmove.
5125 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5127 2006-10-23 Paul Brook <paul@codesourcery.com>
5129 * stor-layout.c (start_record_layout): maximum_field_alignment
5130 overrides STRUCTURE_SIZE_BOUNDARY.
5132 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5134 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5135 nonlocal function symbols if flag_pic.
5137 2006-10-23 Richard Guenther <rguenther@suse.de>
5141 * builtins.c (fold_binary): Remove checks for flag_wrapv
5142 and flag_trapv where negate_expr_p covers these cases.
5144 2006-10-23 Richard Guenther <rguenther@suse.de>
5147 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5148 of two on the absolute value.
5149 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5150 and negating -C does not overflow.
5152 2006-10-23 Richard Guenther <rguenther@suse.de>
5155 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5156 only if not flag_rounding_math.
5158 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5159 Kaz Kojima <kkojima@gcc.gnu.org>
5162 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5163 SImode memory reference for the source of a movua.
5164 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5165 (movua): Use an unspec instead of sign_extract. Expect the source
5166 to have mode BLKmode.
5167 (extv, insv): Use a BLKmode rather than SImode memory reference
5168 for the source of a movua.
5170 2006-10-22 Jeff Law <law@redhat.com>
5171 Richard Guenther <rguenther@suse.de>
5173 PR tree-optimization/15911
5174 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5175 (register_edge_assert_for_1): Likewise.
5176 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5177 (find_conditional_asserts): Adjust for new function signature.
5178 (find_assert_locations): Likewise.
5180 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5182 * config/i386/tmmintrin.h: Remove the duplicated content.
5184 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5186 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5187 (x86_64-*-*): Likewise.
5189 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5190 (override_options): Check SSSE3.
5191 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5192 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5193 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5194 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5195 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5196 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5197 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5198 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5199 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5200 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5201 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5202 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5203 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5204 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5205 IX86_BUILTIN_PABSD128.
5206 (bdesc_2arg): Add SSSE3.
5207 (bdesc_1arg): Likewise.
5208 (ix86_init_mmx_sse_builtins): Support SSSE3.
5209 (ix86_expand_builtin): Likewise.
5210 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5212 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5213 (UNSPEC_PSIGN): Likewise.
5214 (UNSPEC_PALIGNR): Likewise.
5215 Include mmx.md before sse.md.
5217 * config/i386/i386.opt: Add -mssse3.
5219 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5220 (ssse3_phaddwv4hi3): Likewise.
5221 (ssse3_phadddv4si3): Likewise.
5222 (ssse3_phadddv2si3): Likewise.
5223 (ssse3_phaddswv8hi3): Likewise.
5224 (ssse3_phaddswv4hi3): Likewise.
5225 (ssse3_phsubwv8hi3): Likewise.
5226 (ssse3_phsubwv4hi3): Likewise.
5227 (ssse3_phsubdv4si3): Likewise.
5228 (ssse3_phsubdv2si3): Likewise.
5229 (ssse3_phsubswv8hi3): Likewise.
5230 (ssse3_phsubswv4hi3): Likewise.
5231 (ssse3_pmaddubswv8hi3): Likewise.
5232 (ssse3_pmaddubswv4hi3): Likewise.
5233 (ssse3_pmulhrswv8hi3): Likewise.
5234 (ssse3_pmulhrswv4hi3): Likewise.
5235 (ssse3_pshufbv16qi3): Likewise.
5236 (ssse3_pshufbv8qi3): Likewise.
5237 (ssse3_psign<mode>3): Likewise.
5238 (ssse3_psign<mode>3): Likewise.
5239 (ssse3_palignrti): Likewise.
5240 (ssse3_palignrdi): Likewise.
5241 (abs<mode>2): Likewise.
5242 (abs<mode>2): Likewise.
5244 * config/i386/tmmintrin.h: New file.
5246 * doc/extend.texi: Document SSSE3 built-in functions.
5248 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5250 2006-10-22 Ira Rosen <irar@il.ibm.com>
5252 * tree-vect-transform.c (vectorizable_load): Use the type of the
5253 return value of the mask_for_load builtin to create realign_load
5256 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5258 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5261 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5263 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5264 (UNSPEC_LDDQU): This.
5265 * config/i386/sse.md (sse3_lddqu): Updated.
5267 2006-10-21 Richard Guenther <rguenther@suse.de>
5269 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5270 (expand_builtin): Use it to expand lrint instead of
5271 expand_builtin_mathfn.
5273 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5276 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5277 flag_unsafe_math_optimizations is set.
5279 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5282 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5283 patterns to use memory input operand in x87->mem->XMM
5284 reload sequences. Skip transformation for TARGET_K8.
5286 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5288 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5289 force operand1 to register if both operands are memory operands.
5290 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5291 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5292 if both operands are memory operands.
5293 (truncdfsf2): Do not force operand1 to register if both operands
5294 are memory operands.
5296 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5298 * Makefile.in (LIBS): Add $(GMPLIBS).
5299 * doc/install.texi: Update GMP and MPFR requirements.
5300 * doc/sourcebuild.texi (need_gmp): Delete.
5302 2006-10-21 Richard Guenther <rguenther@suse.de>
5304 PR tree-optimization/3511
5305 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5306 got new invariant arguments during PHI translation.
5308 2006-10-21 Richard Guenther <rguenther@suse.de>
5311 * fold-const.c (fold_comparison): Fold signed comparisons
5312 of the form X +- C1 CMP Y +- C2.
5314 2006-10-21 Richard Guenther <rguenther@suse.de>
5317 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5318 if flag_unsafe_math_optimizations is specified. We have
5319 flag_finite_math_only for that.
5320 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5321 or flag_unsafe_math_optimizations.
5323 2006-10-21 Richard Guenther <rguenther@suse.de>
5325 * builtins.c (fold_builtin_classify): Fix typo.
5327 2006-10-21 Richard Guenther <rguenther@suse.de>
5330 * simplify-rtx.c (simplify_const_relational_operation):
5331 Do not constant-fold ORDERED and UNORDERED for
5332 flag_unsafe_math_optimizations but only we do not need to
5333 honor NaNs for the given mode.
5335 2006-10-21 Richard Guenther <rguenther@suse.de>
5338 * config/i386/i386.c (classify_argument): Remove redundant
5339 walking of the BINFOs.
5340 (contains_128bit_aligned_vector_p): Likewise.
5342 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5344 * BASE-VER: Set to 4.3.0.
5346 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5348 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5349 (tree_decl_with_vis): Remove artificial_pta_var flag.
5350 * tree-flow.h (referenced_var_check_and_insert): Expose.
5351 (nonlocal_all): New prototype.
5352 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5353 (nonlocal_all): Make global.
5354 (nonlocal_lookup): Remove.
5355 (nonlocal_insert): Ditto.
5356 (create_nonlocal_var): Do not call nonlocal_insert.
5357 (get_nonlocal_id_for_type): Remove.
5358 (find_global_initializers): Mark new vars we find for renaming.
5359 (intra_create_variable_infos): Only create one nonlocal.
5360 (expand_nonlocal_solutions): Remove.
5361 (compute_points_to_sets): Don't call it.
5362 (ipa_pta_execute): Ditto.
5363 (init_alias_heapvars): Don't create nonlocal_for_type.
5364 (delete_alias_heapvars): Don't remove it.
5365 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5368 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5370 * doc/install.texi (Downloading GCC): Clarify mention of
5371 Fortran in the "full distribution" description.
5373 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5375 Fix PR tree-optimization/28778
5376 Fix PR tree-optimization/29156
5377 Fix PR tree-optimization/29415
5378 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5379 (tree_decl_with_vis): Add artificial_pta_var flag.
5380 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5381 pushed into callers.
5382 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5383 (nonlocal_all): Ditto.
5384 (struct variable_info): Add directly_dereferenced member.
5385 (var_escaped_vars): New variable.
5386 (escaped_vars_tree): Ditto.
5387 (escaped_vars_id): Ditto.
5388 (nonlocal_vars_id): Ditto.
5389 (new_var_info): Set directly_dereferenced.
5390 (graph_size): New variable
5391 (build_constraint_graph): Use graph_size.
5392 (solve_graph): Don't process constraints that cannot change the
5393 solution, don't try to propagate an empty solution to our
5395 (process_constraint): Set directly_dereferenced.
5396 (could_have_pointers): New function.
5397 (get_constraint_for_component_ref): Don't process STRING_CST.
5398 (nonlocal_lookup): New function.
5399 (nonlocal_insert): Ditto.
5400 (create_nonlocal_var): Ditto.
5401 (get_nonlocal_id_for_type): Ditto.
5402 (get_constraint_for): Allow results vector to be empty in the case
5403 of string constants.
5404 Handle results of calls properly.
5405 (update_alias_info): Update alias info stats on number and type of
5407 (find_func_aliases): Use could_have_pointers.
5408 (make_constraint_from_escaped): Renamed from
5409 make_constraint_to_anything, and changed to make constraints from
5411 (make_constraint_to_escaped): New function.
5412 (find_global_initializers): Ditto.
5413 (create_variable_info_for): Make constraint from escaped to any
5414 global variable, and from any global variable to the set of
5416 (intra_create_variable_infos): Deal with escaped instead of
5417 pointing to anything.
5418 (set_uids_in_ptset): Do type pruning on directly dereferenced
5420 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5421 (init_base_vars): Fix comment, and initialize escaped_vars.
5422 (need_to_solve): Removed.
5423 (find_escape_constraints): New function.
5424 (expand_nonlocal_solutions): Ditto.
5425 (compute_points_to_sets): Call find_escape_constraints and
5426 expand_nonlocal_solutions.
5427 (delete_points_to_sets): Don't fall off the end of the graph.
5428 (init_alias_heapvars): Initialize nonlocal_for_type and
5430 (delete_alias_heapvars): Free nonlocal_for_type and null out
5433 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5435 * fold-const.c (add_double): Rename to add_double_with_sign.
5436 Add 'unsigned_p' parameter and take it into account for the overflow.
5437 (mul_double): Rename to mul_double_with_sign.
5438 Add 'unsigned_p' parameter and take it into account for the overflow.
5439 (fold_div_compare): Call add_double_with_sign instead of add_double
5440 and mul_double_with_sign instead of mul_double, passing them the
5441 unsignedness of the type.
5442 * tree.h (add_double): Macroize.
5443 (add_double_with_sign): New prototype.
5444 (mul_double): Macroize.
5445 (mul_double_with_sign): New prototype.
5447 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5449 * config/score/crti.asm: New file.
5450 * config/score/crtn.asm: New file.
5451 * config/score/elf.h: New file.
5452 * config/score/mac.md: New file.
5453 * config/score/misc.md: New file.
5454 * config/score/mul-div.S: New file.
5455 * config/score/predicates.md: New file.
5456 * config/score/score7.md: New file.
5457 * config/score/score.c: New file.
5458 * config/score/score-conv.h: New file.
5459 * config/score/score.h: New file.
5460 * config/score/score.md: New file.
5461 * config/score/score-mdaux.c: New file.
5462 * config/score/score-mdaux.h: New file.
5463 * config/score/score-modes.def: New file.
5464 * config/score/score.opt: New file.
5465 * config/score/score-protos.h: New file.
5466 * config/score/score-version.h: New file.
5467 * config/score/t-score-elf: New file.
5468 * config.gcc: Add score*-*-* configurations(Update before).
5469 * doc/invoke.texi (Score Options): New section.
5470 * doc/md.texi (Score family): New section to document constraints.
5472 2006-10-19 Nick Clifton <nickc@redhat.com>
5474 * config/arm/arm.c: Fix spelling typo.
5476 2006-10-18 Tom Tromey <tromey@redhat.com>
5478 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5480 2006-10-18 Jan Hubicka <jh@suse.cz>
5483 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5486 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5488 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5489 TSI_SAME_STMT, since that's the desired entity.
5491 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5493 * config/s390/contraints.md: New file.
5494 * config/s390/s390-protos.h (s390_mem_constraint,
5495 s390_O_constraint_str, s390_N_constraint_str,
5496 s390_float_const_zero_p): Function prototypes added.
5497 * config/s390/s390.c (s390_extra_constraint_str,
5498 s390_const_double_ok_for_constraint_p,
5499 s390_const_ok_for_constraint_p): Functions removed.
5500 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5501 s390_float_const_zero_p): New functions.
5502 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5503 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5504 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5505 Macro definitions removed.
5506 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5507 s390_extra_constraint_str): Functions removed.
5509 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5510 Richard Sandiford <richard@codesourcery.com>
5513 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5514 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5516 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5518 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5519 (DWARF2_FRAME_REG_OUT): Likewise.
5520 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5521 (DWARF2_FRAME_REG_OUT): Likewise.
5523 2006-10-17 Paul Brook <paul@codesourcery.com>
5525 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5527 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5529 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5530 Standardize on "GNU Fortran" as the official name of the Fortran
5533 2006-10-16 Mike Stump <mrs@apple.com>
5535 * doc/invoke.texi (Darwin Options): Document -mkernel.
5536 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5538 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5539 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5540 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5541 (OS_MISSING_ALTIVEC): Add.
5542 * config/i386/i386.c (override_options): Add
5543 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5544 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5545 -mkernel, -static or -mdynamic-no-pic is given.
5546 (C_COMMON_OVERRIDE_OPTIONS): Add.
5547 * config/darwin.opt (fapple-kext): Add.
5549 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5550 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5552 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5553 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5554 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5555 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5556 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5557 (flag_mkernel): Add.
5558 (flag_apple_kext): Add.
5559 (TARGET_KEXTABI): Add.
5560 * config/darwin.c (darwin_handle_kext_attribute): Add.
5561 (DARWIN_VTABLE_P): Add.
5562 (darwin_binds_local_p): Add partial support for rebinding vtables
5564 (darwin_kextabi_p): Add.
5565 (darwin_override_options): Add.
5566 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5567 (darwin_kextabi_p): Add.
5568 (darwin_override_options): Add.
5569 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5570 __DYNAMIC__ and __STATIC__ here.
5572 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5574 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5575 Added mention of "make pdf" target, and Texinfo requirements for
5578 2006-10-16 DJ Delorie <dj@redhat.com>
5580 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5581 into the GOT in case we need a subreg of the address.
5583 2006-10-16 Richard Guenther <rguenther@suse.de>
5586 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5587 SSE builtin documentation. Document SSE2 builtins.
5589 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5591 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5592 symbol in the output file for non-shared links when -nostdlib or
5593 -nodefaultlibs isn't specified.
5595 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5596 posix thread support.
5598 2006-10-15 Jan Hubicka <jh@suse.cz>
5601 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5602 declared always_inline even when not inlining.
5604 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5605 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5606 Andrew Pinski <pinskia@gmail.com>
5609 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5611 2006-10-15 Jan Hubicka <jh@suse.cz>
5612 Richard Guenther <rguenther@suse.de>
5615 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5616 process_function_and_variable_attributes on all variables, including
5617 those discovered during cgraph construction phase.
5619 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5621 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5623 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5625 * config/i386/athlon.md (athlon_fist): Add fisttp.
5627 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5628 Ian Lance Taylor <ian@airs.com>
5631 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5632 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5635 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5637 * config/score/score.c, config/score/score.h: Fix comment
5640 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5643 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5646 2006-10-13 Eric Christopher <echristo@apple.com>
5648 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5650 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5653 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5654 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5655 alignment supported by 32-bit ELF.
5657 2006-10-13 Eric Christopher <echristo@apple.com>
5659 * config/darwin.c (darwin_emit_unwind_label): Strip
5660 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5662 2006-10-13 Richard Guenther <rguenther@suse.de>
5664 PR tree-optimization/29446
5665 * tree-vrp.c (fix_equivalence_set): Remove.
5666 (extract_range_from_assert): Do not call fix_equivalence_set.
5667 (debug_value_range): Print a newline.
5668 (compare_name_with_value): For equivalence sets with
5669 inconsistent value ranges conservatively bail out.
5670 (compare_names): Likewise.
5672 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5674 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5675 and MPFR for gfortran.
5677 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5679 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5680 alignment supported by 32-bit ELF.
5682 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5686 * c-typeck.c (digest_init): Always allow initializing vectors
5687 that have static storage duration with compound literals.
5688 * tree.c (build_type_attribute_qual_variant): New, based on
5689 build_type_attribute_variant.
5690 (build_type_attribute_variant): Rewrite using the former.
5691 (make_vector_type): Use build_type_attribute_qual_variant to build
5692 type variants. Use type_hash_canon on the others.
5694 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5695 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5697 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5699 2006-10-12 Jan Hubicka <jh@suse.cz>
5702 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5703 current_function_decl is set but current_function_scope is not.
5705 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5707 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5708 emit_insn to emit eh_return_internal instruction.
5709 (eh_return_internal): Explicitly set pc.
5711 2006-10-11 Richard Guenther <rguenther@suse.de>
5713 PR tree-optimization/28230
5714 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5715 to the correct place.
5717 2006-10-11 Richard Guenther <rguenther@suse.de>
5720 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5723 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5725 * configure.ac: Added pdf to "Make-hooks"
5726 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5727 targets and *.pdf file patterns in cleanup targets.
5728 * configure: Regenerated.
5730 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5732 * config/avr/predicates.md: New file.
5733 * config/avr/avr.md: Include it.
5734 (REG_SP): New constant.
5735 (peepholes): Use predicates.
5736 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5737 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5738 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5740 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5742 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5745 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5748 * builtins.c (var_decl_component_p): New function.
5749 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5750 single entry optimization to variables and components thereof.
5752 2006-10-10 Richard Guenther <rguenther@suse.de>
5754 PR rtl-optimization/29323
5755 * except.c (set_nothrow_function_flags): For functions
5756 that do not bind local bail out early.
5758 2006-10-10 Ben Elliston <bje@au.ibm.com>
5760 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5763 2006-10-09 Richard Henderson <rth@redhat.com>
5765 Revert emutls patch.
5767 2006-10-09 Richard Guenther <rguenther@suse.de>
5770 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5773 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5776 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5777 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5778 * configure: Regenerate.
5779 * config.in: Regenerate.
5781 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5783 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5785 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5787 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5788 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5789 Remove stray newline.
5791 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5793 * config/mips/mips.c (mips_classify_symbol): Do not return
5794 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5795 (mips_in_small_data_p): Tweak comments.
5797 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5799 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5801 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5803 * gimplify.c, sched-int.h: Fix comment typos.
5805 * sched-int.h: Fix comment typos.
5807 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5809 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5811 * sched-ebb.c (begin_schedule_ready): Use them.
5812 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5813 add_to_speculative_block, create_check_block_twin, speculate_insn,
5814 fix_jump_move, move_block_after_check): Ditto.
5815 * sched-rgn.c (new_ready): Ditto.
5817 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5819 PR rtl-optimization/29128
5820 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5821 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5822 allow interblock movement of speculation checks.
5824 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5827 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5828 casted to integer type.
5829 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5830 if they are significantly more expensive than [reg + index] ones.
5832 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5834 PR tree-optimization/29330
5835 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5836 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5837 on newly allocated ddrs.
5838 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5839 to VEC (loop_p, heap) pointer.
5840 (compute_data_dependences_for_loop): Adjust caller.
5841 (free_dependence_relations): Free DDR_LOOP_NEST.
5843 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5844 free DEPENDENCE_RELATIONS and DATAREFS.
5847 * builtins.c (expand_builtin_sync_operation,
5848 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5849 Use convert_to_mode to handle promoted arguments.
5851 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5853 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5855 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5857 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5859 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5861 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5862 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5863 Use <modeconstraint> instead of "r" as operand 1 constraint.
5865 2006-10-06 Olivier Hainque <hainque@adacore.com>
5867 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5868 Don't recurse on the pointed-to type.
5869 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5870 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5871 types with components of variable size.
5873 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5875 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5877 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5879 PR tree-optimization/29290
5880 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5884 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5885 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5888 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5889 the number of vector elements fill the rest with zeros.
5891 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5893 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5894 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5897 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5899 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5900 unnamed pattern into subsi3. Use correct constraints/predicates.
5901 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5902 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5904 2006-10-05 Ira Rosen <irar@il.ibm.com>
5906 * doc/loop.texi: Add data references analysis description.
5908 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5910 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5912 2006-10-04 Richard Henderson <rth@redhat.com>
5913 Jakub Jelinek <jakub@redhat.com>
5915 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5916 * builtin-types.def (BT_WORD): Make unsigned.
5917 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5918 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5919 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5920 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5921 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5922 * cgraph.c (decide_is_variable_needed): Look at force_output.
5923 Recurse for emulated tls.
5924 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5925 checks redundant with decide_is_variable_needed.
5926 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5927 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5929 * expr.c (emutls_var_address): New.
5930 (expand_expr_real_1): Expand emulated tls.
5931 (expand_expr_addr_expr_1): Likewise.
5932 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5933 * output.h (emutls_finish): Declare.
5934 * toplev.c (compile_file): Call it.
5935 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5936 address before wrapping in CONST.
5937 * varasm.c (emutls_htab, emutls_object_type): New.
5938 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5939 (get_emutls_object_name, get_emutls_object_type): New.
5940 (get_emutls_init_templ_addr, emutls_decl): New.
5941 (emutls_common_1, emutls_finish): New.
5942 (assemble_variable): When emulating tls, swap decls; generate
5943 constructor for the emutls objects.
5944 (do_assemble_alias): When emulating tls, swap decl and target name.
5945 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5947 * emutls.c: New file.
5948 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5949 tls_object for real tls.
5951 2006-10-04 Zack Weinberg <zackw@panix.com>
5953 Fix bug in constraint-check generator, reported by Rask Ingemann
5955 * genpreds.c (add_constraint): Don't remove anything from the
5957 (write_tm_constrs_h): Detect whether "op" argument is used, and
5958 mark it ARG_UNUSED if it isn't.
5959 (write_insn_const_int_ok_for_constraint): Skip the part of the
5960 expression that would test whether "op" (which is not available
5961 here) is a CONST_INT.
5963 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
5966 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5968 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5970 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5971 current Leopard versions.
5972 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5974 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5976 * doc/install.texi: Fix typos.
5978 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5980 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5981 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5982 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
5984 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5986 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5987 arg to be struct mach_header_64* instead.
5989 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5992 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5993 side effects after the outer expression's post side effects.
5995 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5997 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5998 comments to reflect actual behavior and relationship between
5999 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6001 * doc/c-tree.texi (Working with declarations): Fix documentation
6002 of FIELD_DECL likewise.
6004 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6007 * doc/extend.texi: Add used variable attribute description.
6009 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6012 * c.opt (Woverride-init): New.
6013 * c-opts.c (c_common_post_options): Default warn_override_init to
6015 * c-typeck.c (add_pending_init, output_init_element): Warn for
6016 overriding initializers without side effects.
6017 * doc/invoke.texi (-Woverride-init): Document.
6020 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6022 PR rtl-optimization/28096
6023 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6024 assignment has already been used as a destination earlier in the block.
6026 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6028 * builtins.c (expand_builtin_setjmp): Delete.
6029 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6030 <BUILT_IN_SETJMP_SETUP>: New case.
6031 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6032 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6033 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6034 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6035 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6036 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6037 (lower_function_body): Initialize it to false. If it is set to true
6038 at the end of the processing, emit the setjmp dispatcher.
6039 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6040 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6041 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6042 on the rhs of the assignment.
6043 (lower_builtin_setjmp): New function.
6044 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6045 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6046 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6047 to detect calls that can go to non-local labels. Use specific
6048 helper to create the abnormal edges associated with them.
6049 <MODIFY_EXPR>: Likewise.
6050 (make_abnormal_goto_edges): New function extracted from...
6051 (make_goto_expr_edges): ...here. Call it for computed gotos.
6052 (simple_goto_p): Minor tweak.
6053 (tree_can_make_abnormal_goto): New predicate.
6054 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6055 (tree_purge_dead_abnormal_call_edges): New function.
6056 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6057 (tree_purge_dead_abnormal_call_edges): Likewise.
6058 (make_abnormal_goto_edges): Likewise.
6059 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6060 Purge all dead abnormal edges if the call was in the last statement.
6061 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6062 (execute_fixup_cfg): If there are non-local labels in the function,
6063 scan the basic blocks and split them at calls that can go to non-local
6064 labels or add missing abnormal call edges. Write down the CFG in the
6066 (pass_fixup_cfg): Remove TODO_dump_func flag.
6067 * unwind-sjlj.c: Poison setjmp.
6068 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6069 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6070 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6071 (DONT_USE_BUILTIN_SETJMP): Document it.
6073 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6076 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6077 to 1 when __ppc64__ is defined.
6078 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6080 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6082 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6084 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6085 * config/ia64/unwind-hpux.c: Delete.
6087 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6089 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6090 on the element before gimplifying it, instead of punting if it is of
6093 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6095 * doc/loop.texi: New file.
6096 * doc/gccint.texi: Reference loop.texi.
6097 * Makefile.in (loop.texi): Add.
6099 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6101 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6103 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6104 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6106 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6108 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6110 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6112 * doc/install.texi: Document required versions of GMP and MPFR.
6114 2006-09-27 Paul Brook <paul@codesourcery.com>
6117 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6119 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6121 * reload1.c (alter_reg): Require the alignment of the stack slot to
6122 be at least reg_max_ref_width bytes.
6123 (scan_paradoxical_subregs): Record the largest width in
6126 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6130 * tree-nested.c (struct nesting_info): Added static_chain_added.
6131 (convert_call_expr): Set static_chain_added when adding static
6132 chain. Handle OMP_PARALLEL and OMP_SECTION.
6134 2006-09-25 Matthias Klose <doko@debian.org>
6136 * doc/invoke.texi: Add missing full stop.
6138 2006-09-25 Richard Henderson <rth@redhat.com>
6140 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6141 before cgraph_function_flags_ready.
6143 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6144 Adam Nemet <anemet@caviumnetworks.com>
6146 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6147 determine_common_wider_type): New functions.
6148 (get_computation_aff): Use them to simplify arithmetic between
6149 UBASE and CBASE if they are shortened from the same type.
6151 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6154 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6155 -2147483647 - 1 instead of 0x80000000.
6157 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6159 * flags.h (HONOR_NANS): Fix typo in comment.
6161 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6163 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6165 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6169 * tree.c (merge_attributes, attribute_list_contained): If both
6170 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6172 * c-typeck.c (comptypes_internal): Don't consider aggregates
6173 in different TUs as compatible if there one set of attributes is
6174 not a subset of the other type's attributes.
6175 (composite_type): Try harder not to create a new aggregate type.
6177 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6179 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6180 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6181 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6182 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6183 than replicating condition above.
6184 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6186 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6187 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6188 the linker by default.
6190 2006-09-22 Mike Stump <mrs@apple.com>
6192 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6195 2006-09-22 Richard Guenther <rguenther@suse.de>
6198 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6199 sort of stack variables stable.
6201 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6204 * explow.c (force_reg): Set REG_POINTER flag according to
6207 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6209 PR tree-optimization/28888
6210 * tree-if-conv.c (combine_blocks): Rewritten.
6211 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6212 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6214 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6216 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6219 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6221 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6223 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6225 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6227 2006-09-21 Roger Sayle <roger@eyesopen.com>
6230 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6231 dw_fde_current_label, to be the start of the function, i.e. the same
6232 value as dw_fde_begin.
6234 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6236 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6237 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6238 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6239 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6240 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6241 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6242 (abs<mode>2, neg<mode>2): Likewise.
6243 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6244 (*mips_abs_ps): New define_insn.
6246 2006-09-20 Josh Conner <jconner@apple.com>
6249 * calls.c (expand_call): Allow reuse of structure return stack
6252 2006-09-20 Paul Brook <paul@codesourcery.com>
6254 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6257 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6259 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6260 clean up terminology.
6262 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6265 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6266 with tablejumps in them.
6268 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6271 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6272 wrap it into TARGET_EXPR.
6274 2006-09-20 Eric Christopher <echristo@apple.com>
6276 * config/i386/i386.c (x86_fisttp): Remove.
6277 * config/i386/i386.h (x86_fisttp): Ditto.
6278 (TARGET_FISTTP): Ditto.
6280 2006-09-19 Eric Christopher <echristo@apple.com>
6282 * doc/tm.texi (OBJC_JBLEN): Describe.
6283 * config/i386/darwin.h (OBJC_JBLEN): Define.
6284 * config/rs6000/darwin.h: Ditto.
6286 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6288 PR rtl-optimization/21299
6289 * reload1.c (reload): Purge invalid ASMs in the final pass.
6291 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6294 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6295 pointers as legitimate constants.
6297 2006-09-19 Paul Brook <paul@codesourcery.com>
6300 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6302 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6304 PR tree-optimization/28887
6305 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6306 component parts from the reference.
6307 (gather_memory_references_ref): Record the reference without the
6308 nonaddressable component parts.
6310 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6313 * c-opts.c (c_common_handle_option): Ignore the -std options
6314 if the input language is assembly.
6316 2006-09-17 Ira Rosen <irar@il.ibm.com>
6319 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6321 (ptr_ptr_may_alias_p): Likewise.
6322 (record_record_differ_p): New function.
6323 (base_object_differ_p): Call record_record_differ_p.
6325 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6328 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6329 away for the expr argument.
6331 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6334 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6335 before using it for dumping after vectorizing loops.
6337 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6338 Jack Howarth <howarth@bromo.med.uc.edu>
6341 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6342 skip on error_mark_node.
6343 (rs6000_darwin64_record_arg_recurse): Likewise.
6345 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6347 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6348 * doc/rtl.texi: Remove related documentation.
6350 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6352 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6355 2006-09-15 Jim Wilson <wilson@specifix.com>
6357 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6358 Handle symbol offsets same as they are handled in ia64_expand_move
6361 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6363 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6364 Add forgotten parameter to the fprintf call.
6366 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6368 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6370 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6372 * doc/contrib.texi: Add my entry.
6374 2006-09-15 Nick Clifton <nickc@redhat.com>
6376 * doc/md.texi (Processor pipeline description): Fix typo in
6377 example of how to use the absence_set directive and reword the
6378 description to make it slightly easier to read.
6380 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6382 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6383 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6384 expanding the number of iterations.
6385 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6387 * cfgrtl.c (emit_insn_at_entry): New function.
6388 * rtl.h (emit_insn_at_entry): Declare it.
6389 * integrate.c (emit_initial_value_sets): Use it.
6391 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6393 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6395 (struct loop_work and related VEC declarations): Delete.
6396 (bfin_dump_loops): Print out new member bad.
6397 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6398 (bfin_scan_loop): Don't recurse.
6399 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6400 loops. No longer need to update outer loops if the current one is
6401 found bad. Move some validitiy checks to bfin_discover_loop.
6402 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6403 but changed not to check for nesting. Also changed to use the new bad
6405 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6406 time. Use bitmap based test to discover loop nesting.
6408 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6410 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6413 2006-09-14 Richard Guenther <rguenther@suse.de>
6414 Kazu Hirata <kazu@codesourcery.com>
6416 PR middle-end/28884.
6417 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6418 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6419 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6420 with TARGET_FUNCTION_VALUE.
6422 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6425 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6427 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6429 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6432 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6435 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6438 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6440 * basic_block.h (bb_has_eh_pred): Fix comment.
6442 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6444 * flow.c (calculate_global_regs_live): Invalidate eh registers
6445 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6446 (propagate_block): Handle eh registers as if they were set at basic
6448 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6450 * global.c (global_conflicts): Make eh registers to conflict with
6451 pseudos live at basic block begin.
6452 * basic_block.h (bb_has_eh_pred): New function.
6454 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6456 PR rtl-optimization/28982
6457 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6458 index of a PRE_MODIFY or POST_MODIFY address.
6459 * reload1.c (inc_for_reload): Use find_replacement on the original
6460 base and index registers.
6462 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6464 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6465 for -Os. Update __m128 alignment requirement.
6467 2006-09-13 Jan Hubicka <jh@suse.cz>
6469 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6471 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6473 PR rtl-optimization/28243
6474 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6475 the insn to which the note was originally attached.
6477 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6478 Roger Sayle <roger@eyesopen.com>
6480 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6481 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6482 on platforms that don't use dwarf for debug info.
6484 2006-09-12 Jason Merrill <jason@redhat.com>
6487 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6488 hard_frame_pointer_rtx after using it to update the frame pointer.
6490 2006-09-12 Roger Sayle <roger@eyesopen.com>
6492 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6493 (TARGET_ASM_CLOSE_PAREN): Likewise.
6494 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6495 (TARGET_ASM_CLOSE_PAREN): Likewise.
6497 2006-09-12 Roger Sayle <roger@eyesopen.com>
6500 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6501 frame information for frames larger than 512 Kbytes on Tru64 when
6502 using the native assembler.
6504 2006-09-12 Roger Sayle <roger@eyesopen.com>
6508 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6509 and symbols. Instead use the implementation from cse.c's hash_rtx.
6511 2006-09-12 Jan Hubicka <jh@suse.cz>
6513 PR rtl-optimization/28071
6514 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6515 (vect_transform_loop): Likewise.
6516 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6517 (new_loop_vec_info): Likewise.
6518 (destroy_loop_vec_info): Likewise.
6519 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6520 (create_stmt_ann): Likewise.
6521 (create_tree_ann): Rename to ...
6522 (create_tree_common_ann): ... this one; allocate only the common part
6524 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6525 (get_value_handle): Likewise.
6526 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6527 get_tree_common_ann.
6528 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6529 (vinfo_for_stmt): Use stmt annotations.
6530 * tree-flow.h (tree_ann_common_t): New type.
6531 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6532 (tree_ann, get_tree_ann, create_tree_ann): New.
6533 * tree-flow-inline.h (get_function_ann): Do more type checking.
6534 (stmt_ann): Likewise.
6535 (tree_ann): Rename to ...
6536 (tree_common_ann): ... this one; return ony common_ann
6537 (get_tree_ann): Rename to ...
6538 (tree_common_ann): This one; return only common_ann.
6539 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6542 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6544 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6545 with_cpu by default.
6547 * dwarf2out.c (dwarf_file_data): New.
6548 (enum dw_val_class): Add dw_val_class_file.
6549 (struct dw_val_struct): Add val_file.
6550 (file_table): Change to a hash table.
6551 (file_table_emitted): Delete.
6552 (file_table_last_lookup_index): Delete.
6553 (emitcount): Delete.
6554 (last_emitted_file): New.
6555 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6556 (init_file_table): Delete.
6557 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6558 (AT_addr): Add comment.
6562 (print_die): Handle dw_val_class_file.
6563 (print_dwarf_line_table): Update for new file table structure.
6564 (attr_checksum): Do checksum a filename.
6565 (same_dw_val_p, same_attr_p): Do compare a filename.
6566 (size_of_die): Handle dw_val_class_file.
6567 (value_format): Likewise.
6568 (output_die): Likewise. Also, call maybe_emit_file here.
6569 (struct file_info): Constify filenames. Make file_idx a pointer
6570 to a struct dwarf_file_data.
6571 (struct dir_info): Constify directory names. Remove 'used' field.
6572 (struct file_name_acquire_data): New.
6573 (file_name_acquire): New.
6574 (output_file_names): Modify to handle new file data structures.
6575 (add_src_coords_attributes): Use add_AT_file.
6576 (add_call_src_coords_attributes): Likewise.
6577 (dwarf2out_imported_module_or_decl): Likewise.
6578 (gen_subprogram_die): Modify for new file data structures.
6579 (gen_variable_die): Likewise.
6580 (file_table_eq): New.
6581 (file_table_hash): New.
6582 (file_table_last_lookup): New.
6583 (lookup_filename): Rewrite to handle new file data structures.
6584 (maybe_emit_file): Rewrite to handle new file data structures.
6585 (dwarf2out_source_line): Always call lookup_filename and
6587 (dwarf2out_init): Create file_table here.
6588 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6589 (file_table_relative_p): New.
6590 (dwarf2out_finish): Change detection of relative filenames
6591 to work with new file data structures. Move output_line_info call
6592 after debug_info output.
6594 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6599 * config/i386/i386.c (override_options): Always default to 16
6600 byte stack boundary.
6602 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6605 * var-tracking.c (dump_dataflow_set): Start dumping at
6607 (clobber_variable_part): Kill only the variable part in
6608 registers holding it, leaving other variables alone.
6610 2006-09-11 Josh Triplett <josh@freedesktop.org>
6612 * doc/extend.texi (Other Builtins): Actually use the macro
6613 argument in the documentation example for
6614 __builtin_types_compatible_p.
6616 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6618 PR rtl-optimization/28726
6619 * sched-deps.c (sched_analyze_reg): New function extracted from...
6620 (sched_analyze_1): ...here. Call it to analyze references to
6621 registers. Treat again writes to a stack register as writing to the
6623 (sched_analyze_2): ...and here. Call it to analyze references to
6624 registers. Treat again reads of a stack register as reading the
6627 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6628 David Edelsohn <edelsohn@gnu.org>
6631 * config/rs6000/spe.md (frob_df_di): Remove %H.
6632 (frob_di_df): Remove %H. Change evmergelo to mr.
6633 (frob_di_df_2): Remove %H. Change evldd to two loads.
6635 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6637 * doc/cpp.texi: Fix names of charset options.
6639 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6642 * config/i386/i386.c (override_options): Use 128-bit
6643 stack boundary always for 64bits.
6645 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6647 PR rtl-optimization/28636
6648 * combine.c (force_to_mode): Test for side-effects before
6649 substituting by zero.
6650 (simplify_shift_const): Likewise for zero or other constants.
6652 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6655 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6658 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6661 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6662 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6663 returned by mode_for_size, rather than the mode of src itself,
6664 to choose between 32-bit and 64-bit patterns.
6665 (mips_mem_fits_mode_p): New function.
6666 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6667 that the size of the source matches the size of the destination.
6668 (mov_<store>l, mov_<store>r): Likewise.
6670 2006-09-10 Eric Christopher <echristo@apple.com>
6672 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6675 2006-09-09 Eric Christopher <echristo@apple.com>
6678 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6681 2006-09-09 Roger Sayle <roger@eyesopen.com>
6682 Nicolas Setton <setton@adacore.com>
6684 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6686 2006-09-10 Andreas Schwab <schwab@suse.de>
6688 * config/m68k/m68k.md (bungt_rev): New pattern.
6690 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6691 Dale Johannesen <dalej@apple.com>
6694 * regclass.c (struct reg_pref): Update documentation.
6695 (regclass): Set prefclass to NO_REGS if memory is the best option.
6696 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6698 2006-09-08 Eric Christopher <echristo@apple.com>
6700 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6701 * config/t-slibgcc-darwin: Support x86_64 multilib.
6702 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6703 Return 1 for x86_64-darwin.
6704 * config/i386/t-darwin: Add m64 multilib.
6705 (LIB2_SIDITI_CONV_FUNCS): Use.
6706 (LIB2FUNCS_EXTRA): Ditto.
6707 * config/i386/darwin.h: Support x86_64.
6708 * config/i386/i386.c (override_options): Turn on flag_pic
6709 for x86_64-darwin. Disable flag_omit_pointer.
6710 (get_pc_thunk_name): Assert !TARGET_64BIT.
6711 (legitimate_address_p): Disable machopic addressing for
6713 (legitimize_pic_address): Ditto.
6714 (ix86_expand_move): Ditto.
6715 (ix86_expand_call): Ditto.
6716 (machopic_output_stub): Ditto.
6717 * config/darwin.c (machopic_select_section): Support literal16.
6718 (machopic_select_rtx_section): Ditto.
6719 * config/darwin-sections.def: Ditto.
6720 * config/darwin-64.c: New.
6722 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6725 * c-tree.h (struct c_arg_info): Add pending_sizes.
6726 * c-parser.c (c_parser_parms_declarator,
6727 c_parser_parms_list_declarator): Initialize pending_sizes.
6728 * c-decl.c (get_parm_info): Initialize pending_sizes.
6729 (get_parm_info): Set pending_sizes.
6730 (grokdeclarator): Call put_pending_sizes for parameters for
6731 function definition only.
6733 2006-09-07 Jason Merrill <jason@redhat.com>
6736 * varasm.c (output_constant): Only strip actual no-op conversions.
6739 * config/i386/i386.c (override_options): Use 128-bit
6740 stack boundary if -msse.
6742 2006-09-07 Eric Christopher <echristo@apple.com>
6744 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6746 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6749 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6751 * dwarf2out.c: Remove strange characters from comment above
6752 dwarf2out_frame_debug_expr.
6754 2006-09-07 Eric Christopher <echristo@apple.com>
6756 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6757 * config/darwin.h: ... to here.
6759 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6761 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6763 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6764 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6766 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6767 TARGET_PARTIAL_FLAG_REG_STALL.
6768 (*ashldi3_cconly_rex64): Likewise.
6769 (*ashlsi3_cmp): Likewise.
6770 (*ashlsi3_cconly): Likewise.
6771 (*ashlsi3_cmp_zext): Likewise.
6772 (*ashlhi3_cmp): Likewise.
6773 (*ashlhi3_cconly): Likewise.
6774 (*ashlqi3_cmp): Likewise.
6775 (*ashlqi3_cconly): Likewise.
6776 (*ashrdi3_cmp_rex64): Likewise.
6777 (*ashrdi3_cconly_rex64): Likewise.
6778 (*ashrsi3_cmp): Likewise.
6779 (*ashrsi3_cconly): Likewise.
6780 (*ashrsi3_cmp_zext): Likewise.
6781 (*ashrhi3_cmp): Likewise.
6782 (*ashrhi3_cconly): Likewise.
6783 (*ashrqi3_cmp): Likewise.
6784 (*ashrqi3_cconly): Likewise.
6785 (*lshrdi3_cmp_rex64): Likewise.
6786 (*lshrdi3_cconly_rex64): Likewise.
6787 (*lshrsi3_cmp): Likewise.
6788 (*lshrsi3_cconly): Likewise.
6789 (*lshrsi3_cmp_zext): Likewise.
6790 (*lshrhi3_cmp): Likewise.
6791 (*lshrhi3_cconly): Likewise.
6792 (*lshrqi2_cmp): Likewise.
6793 (*lshrqi2_cconly): Likewise.
6795 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6798 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6799 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6800 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6801 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6802 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6803 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6804 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6805 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6806 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6807 implement only CC setting effects of shift instructions.
6809 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6811 * doc/contrib.texi: Add myself.
6813 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6816 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6817 was set by the user.
6819 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6822 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6823 (divsi_inv_m1): Use them.
6824 (UNSPEC_DIV_INV_TABLE): New constant.
6826 2006-09-06 James E Wilson <wilson@specifix.com>
6829 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6830 then call count_or_remove_death_notes.
6832 2006-09-06 Jason Merrill <jason@redhat.com>
6835 * tree-inline.c (copy_result_decl_to_var): New fn.
6836 (declare_return_variable): Use it. Call declare_inline_vars here.
6837 (expand_call_inline): Not here.
6839 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6841 * doc/contrib.texi: Update my entry.
6843 2006-09-06 Nick Clifton <nickc@redhat.com>
6845 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6847 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6850 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6851 (canonicalize_induction_variables): Likewise.
6852 (tree_unroll_loops_completely): Likewise.
6853 (tree_ssa_prefetch_arrays): Likewise.
6854 (remove_empty_loops): Likewise.
6855 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6856 TODO_cleanup_cfg instead of directly calling
6857 cleanup_tree_cfg_loop.
6858 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6860 (tree_unroll_loops_completely): Likewise.
6861 (remove_empty_loops): Likewise.
6862 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6863 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6864 of tree_ssa_unswitch_loops.
6865 (tree_ssa_loop_ivcanon): Use the return value of
6866 canonicalize_induction_variables.
6867 (tree_ssa_empty_loop): Use the return value of
6869 (tree_complete_unroll): Use the return value of
6870 tree_unroll_loops_completely.
6871 (tree_ssa_loop_prefetch): Use the return value of
6872 tree_ssa_prefetch_arrays.
6873 * passes.c (execute_todo): Before Cleanup CFG, set
6874 updating_used_alone and after cleanup CFG, call
6875 recalculate_used_alone.
6877 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6880 * tree-vect-transform.c (vectorizable_condition): Move the check
6881 for the type after the check for simple condition.
6883 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6884 Kaz Kojima <kkojima@gcc.gnu.org>
6887 * mode-switching.c (optimize_mode_switching): Make the destination
6888 block of an abnormal edge have no anticipatable mode. Don't
6889 insert mode switching code at the end of the source block of
6892 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6894 PR rtl-optimization/26847
6895 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6896 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6897 (simplify_plus_minus): Count n_constants while filling ops. Replace
6898 qsort with insertion sort. Before going through the array to simplify
6899 pairs, sort it. Delay early exit until after the first sort, exiting
6900 only if no swaps occurred. Simplify pairs in reversed order, without
6901 special-casing the first iteration. Pack ops after simplifying pairs.
6903 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6905 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6906 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6907 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6908 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6910 2006-09-05 Richard Guenther <rguenther@suse.de>
6912 PR tree-optimization/28900
6913 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6914 compound conditional before creating COND_EXPR condition.
6916 2006-09-05 Richard Guenther <rguenther@suse.de>
6918 PR tree-optimization/28905
6919 * tree-vrp.c (fix_equivalence_set): Manually implement
6920 !value_ranges_intersect_p to also handle symbolic ranges.
6922 2006-09-05 Richard Guenther <rguenther@suse.de>
6925 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6928 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6930 PR rtl-optimization/27616
6931 * cse.c (table_size): New static variable.
6932 (new_basic_block): Initialize it to 0.
6933 (remove_from_table): Decrement it.
6934 (insert): Increment it.
6935 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6936 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6937 fold_rtx_mem_1 if under the cap.
6938 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6939 the lookup of the equivalent expression and test for equality of the
6940 first operand of the equivalent expression before in turn looking up
6941 an equivalent constant for the second operand.
6943 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6946 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6947 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6948 pointer, instead of assuming it is possible to derive the
6949 correct args size from a call insn.
6951 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6954 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6955 (fold_builtin_mempcpy): Rename to...
6956 (fold_builtin_memory_op): ... this. Optimize one element copy
6958 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
6960 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
6961 (expand_builtin_memcpy, expand_builtin_mempcpy,
6962 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
6963 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
6964 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
6965 BUILT_IN_MEM{CPY,PCPY,MOVE}.
6967 2006-09-01 DJ Delorie <dj@redhat.com>
6969 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6970 (stzx_16): Likewise.
6971 ("stzx_24_<mode>"): Likewise.
6972 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6973 ("cmp<mode>_op"): New.
6974 (cmp<mode>): Change to expander; just save operands.
6976 (b<code>): Change to expander, emit compare here.
6977 (s<code>_op): Change to use split and expander.
6978 (s<code>_24_op): Likewise.
6979 (s<code>_<mode>): New.
6980 (s<code>_<mode>_24): New.
6981 (movqicc_<code>_<mode): New.
6982 (movhicc_<code>_<mode>): New.
6985 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6986 (m32c_pend_compare): New.
6987 (m32c_unpend_compare): New.
6988 (m32c_expand_scc): New.
6989 (m32c_expand_movcc): Emit the compare also.
6990 * config/m32c/predicates.md (mra_nopp_operand): New.
6992 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6993 Richard Guenther <rguenther@suse.de>
6994 Adam Nemet <anemet@caviumnetworks.com>
6997 * builtins.c (get_pointer_alignment): Handle more forms
6998 of base addresses that can be used to derive more precise
6999 information about alignment.
7001 2006-09-01 Jason Merrill <jason@redhat.com>
7004 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7007 * gimplify.c (voidify_wrapper_expr): Handle null type.
7009 2006-09-01 Josh Conner <jconner@apple.com>
7012 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7013 (execute_return_slot_opt): Use it.
7015 2006-08-31 Josh Conner <jconner@apple.com>
7018 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7019 returning aggregates.
7021 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7023 PR tree-optimization/28839
7024 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7025 blocks in that phi arguments appear.
7027 2006-08-31 Roger Sayle <roger@eyesopen.com>
7030 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7031 NULL, otherwise use an advance_loc4 to adjust relative to the
7033 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7034 (dwarf2out_switch_text_section): Reset the current label to avoid
7035 using advance_loc4 over section boundaries.
7037 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7040 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7041 r12 + SYMBOLIC_CONST.
7043 2006-08-30 Richard Guenther <rguenther@suse.de>
7045 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7047 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7049 PR rtl-optimization/27735
7050 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7051 Add new argument to keep track of whether an irreducible region
7052 was affected. All callers changed.
7053 (fix_irreducible_loops): Removed.
7054 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7055 flags were invalidated.
7057 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7059 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7060 instead of SF operands.
7061 (*fop_df_comm_sse): Likewise.
7062 (*fop_df_comm_i387): Likewise.
7063 (*fop_df_1_mixed): Likewise.
7064 (*fop_df_1_sse): Likewise.
7066 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7067 J"orn Rennecke <joern.rennecke@st.com>
7069 PR tree-optimization/17506
7070 * tree-ssa.c (warn_uninit): If warning about a location outside of
7071 the current function, note where the variable was declared.
7073 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7075 PR tree-optimization/28411
7076 * double-int.c (double_int_div): Use double_int_divmod.
7077 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7078 double_int_mod, double_int_smod, double_int_umod): New functions.
7079 * double-int.h (double_int_divmod, double_int_sdivmod,
7080 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7082 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7084 (get_computation_aff, get_computation_cost_at): Handle double_int
7085 return type of constant_multiple_of.
7087 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7090 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7091 an implicit conversion.
7093 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7095 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7097 2006-08-27 Roger Sayle <roger@eyesopen.com>
7099 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7102 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7104 * config/i386/crtfastmath.c: Fix a comment typo.
7106 2006-08-26 Roger Sayle <roger@eyesopen.com>
7108 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7109 temporary visit flags on CASE_LABEL_EXPRs.
7110 * c-common.c (match_case_to_enum): Add function comment. Avoid
7111 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7112 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7113 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7114 a constant, only warn if that constant value isn't handled.
7116 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7119 * input.h (restore_input_file_stack): Declare.
7120 (INPUT_FILE_STACK_BITS): Define.
7121 * toplev.c (fs_p, input_file_stack_history,
7122 input_file_stack_restored, restore_input_file_stack): New.
7123 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7124 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7125 (pop_srcloc): Don't free old state of stack.
7127 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7130 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7131 (PowerPC Type Attributes): New.
7133 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7135 * config/xtensa/xtensa.c (function_arg_boundary): New.
7136 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7138 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7139 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7141 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7144 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7147 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7149 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7150 (verify_local_live_at_start): Likewise.
7152 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7155 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7156 omp_add_variable): Treat sizes as variable whenever not
7159 2006-08-26 Richard Guenther <rguenther@suse.de>
7162 * fold-const.c (fold_binary): Fold temporary to correct
7163 type before constructing new comparison.
7165 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7168 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7169 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7171 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7174 * c-decl.c (start_function): Don't try to process prototype
7175 information from old declaration that isn't a function.
7177 2006-08-25 Jan Hubicka <jh@suse.cz>
7180 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7182 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7185 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7188 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7190 PR tree-optimization/16876
7191 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7192 exit if PARM doesn't match VALUE.
7194 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7196 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7197 literal_prefix directive.
7198 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7199 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7200 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7202 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7205 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7206 predicate to general_operand. Add 0->y and I->r alternatives.
7208 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7210 * doc/tm.texi: Fix a typo.
7211 * predict.c: Fix comment typos.
7213 2006-08-25 Nick Clifton <nickc@redhat.com>
7215 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7216 assertions of "cpu" and "machine".
7218 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7221 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7222 the access through a base which has an alias set of 0 cannot
7225 2006-08-24 Bill Wendling <wendling@apple.com>
7227 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7229 2006-08-24 Jan Hubicka <jh@suse.cz>
7231 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7233 2006-08-24 Jan Hubicka <jh@suse.cz>
7236 * cgraph.c: Fix comments.
7237 (cgraph_varpool_mark_needed_node): Mark only variables not already
7239 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7240 (cgraph_varpool_assembled_nodes_queue): New static variable.
7241 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7242 (cgraph_varpool_output_debug_info): New function.
7243 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7244 * Makefile.in: Add gt-cgraphunit.h
7246 2006-08-24 Jan Hubicka <jh@suse.cz>
7248 * predict.c (probability_reliable_p): New predicate.
7249 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7250 (predict_loops): Do not predict loop exit with less than 2%
7252 * basic-block.h (edge_probability_reliable_p,
7253 br_prob_note_reliable_p): Declare.
7254 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7255 prediction when static predictor is not reliable.
7256 * rs6000.c (output_cbranch): Likewise.
7258 2006-08-23 Stuart Hastings <stuart@apple.com>
7261 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7262 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7264 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7267 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7268 complex values, nor for generic vector values.
7270 2006-08-22 Richard Guenther <rguenther@suse.de>
7273 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7274 parameter. Convert arguments to arithmetic expression to the
7276 (analyze_scalar_evolution_1): Adjust caller.
7278 2006-08-22 Jan Hubicka <jh@suse.cz>
7280 Patch by Paolo Bonzini
7281 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7284 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7286 PR tree-optimization/28003
7287 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7288 before grouping aliases.
7290 2006-08-22 Roger Sayle <roger@eyesopen.com>
7292 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7293 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7295 2006-08-21 Jason Merrill <jason@redhat.com>
7298 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7299 wrapper. Loop to handle nested wrappers.
7300 (gimplify_bind_expr): Remove temp parameter.
7301 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7302 and STATEMENT_LIST on the rhs.
7303 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7304 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7305 (gimplify_target_expr): Remove special BIND_EXPR handling.
7307 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7309 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7312 2006-08-21 Olivier Hainque <hainque@adacore.com>
7314 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7315 Arrange for the temporary captures of components overlapping the lhs
7316 to happen before the lhs is possibly cleared.
7318 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7320 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7321 necessary places to pass the correct "number of registers" values
7324 2006-08-20 Jan Hubicka <jh@suse.cz>
7326 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7327 (create_name_tags): Instead of quadratic checking use hashtable.
7328 * bitmap.h: Include hashtab.h.
7329 (bitmap_hash): Declare.
7330 * bitmap.c (bitmap_hash): New function.
7332 2006-08-20 Jan Hubicka <jh@suse.cz>
7334 PR rtl-optimization/28071
7335 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7337 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7338 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7339 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7340 cgraph_decide_inlining_incrementally): Update use of
7341 cgraph_check_inline_limits.
7342 * cgraph.c (edge_hash, edge_eq): New function.
7343 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7344 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7345 cgraph_remove_node): Maintain call site hash.
7346 * cgraph.h (struct cgraph_node): Add call_site_hash.
7347 (cgraph_set_call_stmt): New function.
7349 2006-08-20 Jan Hubicka <jh@suse.cz>
7351 PR rtl-optimization/28071
7352 * reload1.c (reg_has_output_reload): Turn into regset.
7353 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7354 choose_reload_regs, emit_reload_insns): Update to new
7355 reg_has_output_reload.
7357 2006-08-20 Jan Hubicka <jh@suse.cz>
7360 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7361 function body sizes.
7362 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7364 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7367 * tree.c (handle_dll_attribute): Return early if not a
7368 var or function decl.
7370 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7373 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7374 alignment of SPE vector types.
7376 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7378 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7380 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7383 * cgraph.h (struct cgraph_node): Remove externally_visible
7385 * cgraphunit.c (process_function_and_variable_attributes): Set
7386 local.externally_visible rather than externally_visible.
7389 * c-common.c (handle_externally_visible_attribute): First look
7390 at TREE_CODE and only if it is function or var decl, check for
7391 non-public objects. Don't warn for DECL_EXTERNAL.
7392 * cgraphunit.c (process_function_and_variable_attributes): Warn
7393 if externally_visible attribute is used on non-public object.
7395 2006-08-17 Jan Hubicka <jh@suse.cz>
7397 PR tree-optimization/27865
7398 * reload1.c (forget_marked_reloads): New function.
7399 (forget_old_reloads_1): When data are passed, just mark the registers
7401 (reload_as_needed): Use the new mechanizm.
7403 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7406 * reload.h (reg_equiv_alt_mem_list): New declaration.
7407 * reload1.c (reg_equiv_alt_mem_list): New definition.
7408 (reload): Initialize it and release it.
7409 (delete_output_reload): Use it.
7410 * reload.c (push_reg_equiv_alt_mem): New function.
7411 (find_reloads_toplev): Call it.
7412 (find_reloads_address, find_reloads_address_1): Likewise.
7413 (find_reloads_subreg_address): Likewise.
7415 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7417 PR rtl-optimization/28489
7418 * sched-ebb.c (begin_schedule_ready): Create basic block
7420 (advance_target_bb): Skip empty blocks.
7421 * haifa-sched.c (bb_note): Make global.
7422 * sched-int.h (bb_note): Add prototype.
7424 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7426 PR tree-optimization/27865
7427 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7429 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7430 fold_used_pointer, pointer_used_p): New functions.
7431 (analyze_scalar_evolution_1): Use fold_used_pointer.
7432 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7433 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7436 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7439 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7440 or the INTEGER_CST. Fail on a CALL_EXPR.
7441 (fold_offsetof): Pass new argument to fold_offsetof_1.
7442 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7443 operand into an INDIRECT_REF.
7444 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7446 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7448 PR gcov/profile/26570
7449 * value-prof.c (static_values): Removed.
7450 (tree_find_values_to_profile): Do not set static_values.
7451 (find_values_to_profile): Do not free static_values.
7452 * profile.c (instrument_values): Do not free the values.
7453 (branch_prob): Free the values.
7455 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7457 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7459 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7462 * c-typeck.c (build_component_ref): Combine qualifiers of
7463 structure or union and field.
7465 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7467 PR rtl-optimization/28071
7468 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7469 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7470 * tree-into-ssa.c (struct dom_dfsnum): New.
7471 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7473 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7474 compute_global_livein.
7475 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7476 in phi nodes in the correct blocks.
7478 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7480 PR tree-optimization/28364
7481 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7483 (fold_affine_expr): New function.
7484 (may_eliminate_iv): Use fold_affine_expr.
7486 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7489 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7492 2006-08-16 Mike Stump <mrs@apple.com>
7494 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7495 * doc/cppopts.texi (-MD): Likewise.
7497 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7500 * c-common.c (handle_weak_attribute): Ignore and warn if
7501 not a FUNCTION_ or VAR_DECL.
7503 2006-07-15 Mike Stump <mrs@apple.com>
7506 * c-parser.c (c_parser_typeof_specifier): Don't use
7507 c_finish_expr_stmt, open code desired semantics instead.
7509 2006-08-15 Nick Clifton <nickc@redhat.com>
7511 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7512 fragment to tmake_file only if threads are enabled.
7513 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7514 * config/i386/t-gthr-win32: New file. ... here.
7516 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7519 * c-parser.c (c_parser_compound_statement_nostart): Reset
7520 parser->error after each statement.
7522 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7525 * omp-low.c (lower_omp_parallel): Convert t to
7526 receiver_decl's type.
7527 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7528 source before comparison.
7531 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7532 to itype in assignment to oldival2.
7534 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7538 * c-typeck.c (build_compound_expr): If the second expression
7539 is an error mark, then just return an error mark instead of
7540 creating a COMPOUND_EXPR.
7542 2006-07-14 Mike Stump <mrs@apple.com>
7544 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7546 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7548 * c-decl.c, var-tracking.c: Fix comment typos.
7550 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7552 PR rtl-optimization/28634
7553 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7554 for floating-point modes unless flag_unsafe_math_optimizations.
7556 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7557 Andrew Pinski <pinskia@physics.uc.edu>
7560 * tree.c (build_array_type): Unify array types with
7561 unspecified index_type.
7562 * c-decl.c (grokdeclarator): Make sure we do not modify a
7563 unified incomplete array type.
7564 * c-typeck.c (store_init_value): Create distinct type before
7565 filling in the index type in an initializer from a compound
7568 * c-decl.c (grokdeclarator): Remove code where we copy the
7571 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7573 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7574 into account for TODO_dump_cgraph.
7575 (TODO_update_ssa_no_phi): Likewise.
7576 (TODO_update_ssa_full_phi): Likewise.
7577 (TODO_update_ssa_only_virtuals): Likewise.
7578 (TODO_remove_unused_locals): Likewise.
7579 (TODO_set_props): Likewise.
7580 (TODO_update_stmt_usage): Likewise.
7582 2006-08-13 Dirk Mueller <dmueller@suse.de>
7584 * c-common.c (strict_aliasing_warning): Fix formatting.
7586 2006-08-13 Matthias Klose <doko@debian.org>
7588 * doc/invoke.texi: Fix spelling errors.
7590 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7592 PR rtl-optimization/23454
7593 * reorg.c (relax_delay_slots): Update comment.
7595 2006-08-11 Richard Guenther <rguenther@suse.de>
7598 * simplify-rtx.c (simplify_const_relational_operation):
7599 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7602 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7604 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7605 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7607 2006-08-10 Paul Brook <paul@codesourcery.com>
7609 * final.c (final_scan_insn): Clear current_insn_predicate before
7610 outputting inline asm.
7612 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7614 PR tree-optimization/26197
7615 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7616 get_ref_base_and_extent and overlap_subvar to add only relevant
7617 subvars as may-aliases.
7618 (add_may_alias_for_new_tag): New function, factored out of
7620 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7621 with additional argument.
7622 * tree-flow.h (new_type_alias): Takes additional argument.
7624 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7626 * gcov.c (no_data_file): New flag.
7627 (read_count_file): Set it if data file not present. Assume counts
7629 (output_lines): Don't name the data file, if there wasn't one.
7631 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7633 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7634 (rs6000_generate_compare): Tweak comments.
7635 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7637 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7639 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7640 (var_debug_decl): New function.
7641 (var_reg_set): Follow debug decl link. Add location even if
7642 reg is already known to hold some other variable.
7643 (var_mem_set): Follow debug decl link.
7644 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7645 decl link. Delete other known locations of the variable part
7647 (var_reg_delete, var_mem_delete): Delete other known locations
7648 of the variable part if requested.
7649 (same_variable_part_p): New function.
7650 (add_stores): Select MO_COPY when appropriate.
7651 (vt_initialize): Handle it.
7652 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7653 known locations for MO_SET and MO_CLOBBER.
7654 (find_variable_location_part): New function.
7655 (set_variable_part, delete_variable_part): Use it.
7656 (clobber_variable_part): New function.
7657 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7660 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7662 PR tree-optimization/26969
7663 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7664 with an empty list of PHIs.
7666 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7670 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7673 2006-08-06 Andreas Schwab <schwab@suse.de>
7675 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7676 string. Whitespace and comment fixup.
7678 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7681 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7685 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7688 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7690 2006-08-04 Jan Hubicka <jh@suse.cz>
7694 * reload.c (push_reload): Patch out the mismatching instruction;
7696 (find_reload): Bail out if the instruction was patched out.
7698 2006-08-04 Jan Hubicka <jh@suse.cz>
7700 PR tree-optimization/24888
7701 * tree-inline.c (expand_call_inline): Do not re-record variables.
7702 (declare_inline_vars): Add variable to unexpanded_var_list.
7704 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7705 Roger Sayle <roger@eyesopen.com>
7707 PR rtl-optimization/26244
7708 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7709 inner_const are negative or greater than or equal to the bitsize of
7710 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7711 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7712 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7713 CONST0_RTX (mode) when the new shift count is greater than or equal to
7714 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7717 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7719 * tree-cfg.c: Fix a comment typo.
7721 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7724 * varasm.c (output_constant): Give the front end another chance to
7725 expand constants, after stripping NOPs.
7727 2006-08-03 Jan Hubicka <jh@suse.cz>
7729 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7732 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7734 PR tree-optimization/27770
7735 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7736 declaration removed (moved to tree-flow.h).
7737 (vect_can_force_dr_alignment_p): Likewise.
7738 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7739 (moved from tree-vectorizer.h).
7740 (vect_can_force_dr_alignment_p): Likewise.
7741 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7742 from outside the vectorizer - in particular from cgraph stage.
7743 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7744 the alignment of global arrays when -fsection-anchors is enabled.
7745 * cgraphunit.c (cgraph_increase_alignment): New function.
7746 (cgraph_optimize): Call cgraph_increase_alignment.
7748 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7751 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7752 not reload a SPE symbol_ref into a lo_sum address.
7754 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7757 * dwarf2out.c (prune_unused_types_prune): Move call to
7758 prune_unused_types_update_strings to cover the parent DIE also.
7760 2006-08-02 Jan Hubicka <jh@suse.cz>
7762 PR gcov/profile/28480
7763 * tree-cfg.c (change_bb_for_stmt): New function.
7764 (tree_merge_blocks, tree_split_blocks): Use it.
7766 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7772 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7773 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7774 (cgraph_optimize): Likewise.
7776 2006-08-01 Stuart Hastings <stuart@apple.com>
7778 * rtl.h (UINTVAL) New.
7779 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7780 * testsuite/gcc.dg/20060801-1.c: New.
7782 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7785 * c-typeck.c (build_external_type): Mark used enum types.
7786 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7788 (gen_subprogram_die): Whitespace fix.
7790 2006-08-01 Jan Hubicka <jh@suse.cz>
7792 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7793 bitmap when not needed.
7794 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7797 2006-08-01 Dirk Mueller <dmueller@suse.de>
7799 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7801 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7803 * Makefile.in: Revert part of previous patch:
7804 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7807 2006-07-30 Eric Christopher <echristo@apple.com>
7810 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7811 (PowerPC Variable Attributes): New section.
7813 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7815 PR target/28126 (partial fix)
7816 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7818 2006-07-28 Jan Hubicka <jh@suse.cz>
7820 PR rtl-optimization/28071
7821 * cfgrtl.c (rtl_delete_block): Free regsets.
7822 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7824 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7826 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7827 and variables used in dependencies.
7829 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7831 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7832 %fs for -mcmodel=kernel.
7833 (stack_tls_protect_test_di): Likewise.
7835 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7837 * Makefile.in: Use mkinstalldirs.
7839 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7842 * opts-common.c (prune_options): Skip joined switches.
7844 2006-07-27 Jan Hubicka <jh@suse.cz>
7846 PR rtl-optimization/28071
7847 * cselib.c (cselib_process_insn): Don't remove useless values too
7848 often for very large hashtables.
7850 2006-07-27 Jan Hubicka <jh@suse.cz>
7852 PR rtl-optimization/28071
7853 * global.c (greg_obstack): New obstack.
7854 (allocate_bb_info): Use it.
7855 (free_bb_info): Likewise.
7856 (modify_reg_pav): Likewise.
7858 2006-07-27 Roger Sayle <roger@eyesopen.com>
7860 * builtins.c (fold_fixed_mathfn): When long and long long are the
7861 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7862 functions to their lceil*, lfloor*, lround* and lrint* forms.
7864 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7867 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7869 (rev_branch_insn): Likewise.
7871 2006-07-27 Jan Hubicka <jh@suse.cz>
7873 PR rtl-optimization/28071
7874 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7875 (reg_set_in_bb, max_reg_computed): New static variables.
7876 (regmove_optimize): Free the new array.
7877 (fixup_match_1): Update call of reg_is_remote_constant_p.
7879 2006-07-26 Jan Hubicka <jh@suse.cz>
7881 PR tree-optimization/27882
7882 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7884 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7886 (cgraph_analyze_compilation_unit): Likewise.
7887 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7888 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7889 (cgraph_early_inlinine): Make order garbage collected.
7890 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7892 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7894 * dbxout.c (output_types_sort): Add a comment.
7895 (output_used_types): Free the VEC.
7897 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7899 * function.c (reorder_fix_fragments): Delete.
7900 (reorder_blocks): Don't call it.
7901 (reorder_blocks_1): Put all subblocks under the origin block.
7903 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7905 PR rtl-optimization/27907
7906 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7909 2006-07-25 Roger Sayle <roger@eyesopen.com>
7912 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7913 bar(x) check that bar's result type can represent all the values of T.
7915 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7917 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7919 2006-07-25 Nick Clifton <nickc@redhat.com>
7921 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7922 size_lookup[] array.
7923 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7924 (ggc_pch_count_object): Likewise.
7925 (ggc_pch_alloc_object): Likewise.
7926 (ggc_pch_write_object): Likewise.
7927 (init_ggc): Do not attempt to initialize entries in the
7928 size_lookup[] array for objects whose size is greater than than
7929 the length of the array.
7931 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7933 * dbxout.c (output_used_types_helper): Push queued types
7935 (output_types_sort): New.
7936 (output_used_types): Collect used types on a VEC and sort them
7939 2006-07-24 Richard Guenther <rguenther@suse.de>
7942 * cgraph.c (cgraph_remove_node): Do not check if dumps
7944 * cgraphunit.c (cgraph_optimize): Likewise.
7946 2006-07-24 Jan Hubicka <jh@suse.cz>
7948 PR rtl-optimization/28071
7949 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7950 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7951 splitting before first stmt.
7953 2006-07-24 Jan Hubicka <jh@suse.cz>
7955 PR rtl-optimization/28071
7956 * ipa-inline.c (update_caller_keys): Remove edges that
7957 are no longer inline candidates.
7959 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
7962 * dbxout.c (output_used_types_helper, output_used_types): New.
7963 (dbxout_symbol): Call output_used_types.
7965 2006-07-23 Jan Hubicka <jh@suse.cz>
7969 * cgraph.c (cgraph_varpool_nodes): Export.
7970 (decide_is_variable_needed): Ignored "used" attribute in
7971 unit-at-a-time mode.
7972 * cgraph.h (cgraph_varpool_nodes): Declare.
7973 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7974 unit-at-a-time mode.
7976 2006-07-23 Roger Sayle <roger@eyesopen.com>
7979 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7980 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7981 the __gthrw form of thr_keycreate.
7982 (__gthread_key_delete): Silence the unused argument warning.
7984 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7987 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7988 Cache the last found '\0' marker to avoid quadratic behavior.
7990 2006-07-23 Jan Hubicka <jh@suse.cz>
7992 * i386.md (subsi_3_zext): Fix output template.
7994 2006-07-21 Mike Stump <mrs@apple.com>
7996 * doc/invoke.texi (C++ Dialect Options): Note that
7997 -fvisibility-inlines-hidden doesn't affect explicitly
7998 instantiationed inline methods.
8000 2006-07-20 Roger Sayle <roger@eyesopen.com>
8002 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8003 if the target assembler is GNU binutils' gas.
8004 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8005 whether to pass GNU gas or native as command line options.
8007 2006-07-20 Jason Merrill <jason@redhat.com>
8009 * tree.c (remove_attribute): New fn.
8010 * tree.h: Declare it.
8012 2006-07-20 Paul Brook <paul@codesourcery.com>
8015 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8016 they are invalidated by this instruction.
8018 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8021 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8023 2006-07-20 Eric Christopher <echristo@apple.com>
8026 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8028 2006-07-19 Eric Christopher <echristo@apple.com>
8030 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8031 Rewrite dependencies for libgcc_s.1.dylib.
8033 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8035 * except.c (duplicate_eh_regions_1): Clear next_peer.
8037 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8039 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8040 -mlongcall does not guarantee all calls will be long.
8041 * doc/extend.texi (long_call/short_call): Document that longcall
8042 does not guarantee a long call will be used.
8043 (longcall/shortcall): Likewise.
8045 2006-07-18 Roger Sayle <roger@eyesopen.com>
8048 * expmed.c (expand_shift): Additionally check that the shift_cost
8049 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8050 before implementing a LSHIFT_EXPR as a sequence of additions.
8051 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8052 middle-end that DImode shifts need to be synthesized by expand.
8054 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8057 * tree-ssa-operands.c (access_can_touch_variable): Update
8059 Return true if ALIAS is .GLOBAL_VAR.
8061 2006-07-18 David Daney <ddaney@avtrex.com>
8063 * gcc.c (display_help): Fix typo in help text.
8065 2006-07-18 Olivier Hainque <hainque@adacore.com>
8067 * tree.h (categorize_ctor_elements): Adjust prototype and add
8068 descriptive comment, both in accordance with the interface change
8070 * varasm.c (constructor_static_from_elts_p): New function.
8071 Whether a constructor node is a valid static constant initializer
8072 if all its elements are.
8073 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8074 * output.h: Declare it.
8075 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8076 is a valid constant initializer instead of computing the number of
8077 non-constant elements. Use constructor_static_from_elts_p for this
8078 purpose. Replace the head comment with an indication that this is a
8079 helper for categorize_ctor_elements.
8080 (categorize_ctor_elements): Same interface change as for the _1
8081 helper. Former head comment from this helper moved here, adjusted to
8082 account for the interface changes.
8083 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8084 (all_zeros_p): Likewise.
8085 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8086 static versions of the constructor from the categorize_ctor_elements
8087 return value instead of the formerly computed number of non-constant
8090 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8092 * configure: Regenerate.
8093 * Makefile.in (build_libsubdir): New configure substitution
8094 (build_libobjdir): New variable.
8095 (BUILD_LIBIBERTY): Use it.
8097 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8100 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8102 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8105 * c-common.c (handle_weakref_attribute): Ignore attribute in
8106 the same conditions the alias attribute is ignored.
8108 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8110 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8111 (dbxout_begin_prologue): Increment scope_labelno.
8113 2006-07-17 Richard Henderson <rth@redhat.com>
8116 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8119 2006-07-17 Roger Sayle <roger@eyesopen.com>
8120 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8122 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8123 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8124 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8125 functions such as sbrk, write, etc.. Add function prototypes.
8126 Convert function declarations from K&R to ISO C. Cast pointers
8127 to "long" and "unsigned long" instead of "int" and "unsigned int".
8128 Convert tokens following #endif into comments.
8130 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8132 * invoke.texi: Remove mention of f77; Reformat table for
8133 inline parameter options correctly; mention that -malign-double
8134 is default on x86-64 targets.
8136 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8138 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8139 (convert_affine_scev, chrec_convert_aggressive): Use
8140 avoid_arithmetics_in_type_p. Do not check for the subtypes
8143 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8146 * optabs.c (expand_doubleword_shift): Wrap the call to
8147 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8149 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8152 * optabs.c (expand_binop): Pass next_methods rather than methods
8153 to expand_doubleword_shift.
8155 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8158 * tree.h (dump_addr): Declare.
8159 * print-tree.c (dump_addr): New function.
8160 (print_node_brief, print_node): Use it.
8161 * print-rtl.c (print_rtx): Likewise.
8162 * common.opt (-fdump-noaddr): New option.
8163 * doc/invoke.texi (-fdump-noaddr): Document.
8164 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8165 (ve_info_hash): Likewise.
8167 2006-07-13 Andrew Haley <aph@redhat.com>
8169 PR tree-optimization/19505
8170 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8171 edge leaving this block, make sure that the destination of this
8172 block has only one predecessor.
8174 2006-07-17 Richard Guenther <rguenther@suse.de>
8176 PR tree-optimization/28238
8177 * tree-inline.c (copy_bb): Check if we produced valid
8178 gimple copying and substituting a stmt. If not, gimplify
8181 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8183 * optabs.c (maybe_encapsulate_block): New function extracted from...
8184 (emit_libcall_block): ...here. Invoke it on the block of insns to
8185 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8186 (emit_no_conflict_block): Likewise.
8188 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8190 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8192 2006-07-15 Roger Sayle <roger@eyesopen.com>
8194 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8195 a new NOP_EXPR case of the switch statement.
8197 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8200 * stor-layout.c (place_field): Take the bit field with
8201 an excessive size into account in the ms-bitfiled case.
8204 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8205 the previous bit field.
8207 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8210 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8212 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8214 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8215 signal frames correctly even when the signal was installed with
8218 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8220 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8221 (dbxout_function_end): Use local label LFBB. Remove hook
8223 (dbxout_source_line): Use local label LFBB.
8224 (dbxout_block): Likewise.
8225 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8226 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8227 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8228 and DBX_OUTPUT_NFUN.
8230 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8232 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8234 2006-07-13 Jan Hubicka <jh@suse.cz>
8236 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8238 * output.h (align_variable): Declare.
8239 * varasm.c (align_variable): Export.
8240 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8241 when basic block changed.
8243 2006-07-13 Nick Clifton <nickc@redhat.com>
8245 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8246 walking the LOG_LINKS chain.
8248 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8250 * doc/invoke.texi (C++ Dialect Options): Explain difference
8251 between -fvisibility-inlines-hidden and setting hidden
8252 visibility explicitly.
8254 2006-07-12 Eric Christopher <echristo@apple.com>
8256 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8257 (stmp-lipo): Depend on libgcc.a.
8259 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8261 * tree.c: Fix a comment typo.
8263 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8265 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8267 (umulhisi3_r): Likewise.
8269 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8272 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8273 x < 19, vs wchar_t support.
8275 2006-07-12 Nick Clifton <nickc@redhat.com>
8277 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8278 instead of -isa=sh4.
8280 2006-07-12 Mike Stump <mrs@apple.com>
8282 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8284 2006-07-10 Eric Christopher <echristo@apple.com>
8286 * config/t-slibgcc-darwin: Rewrite.
8288 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8291 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8294 2006-07-08 Matthias Klose <doko@debian.org>
8296 * doc/sourcebuild.texi: Fix typo.
8298 2006-07-07 Mike Stump <mrs@apple.com>
8300 * toplev.c (process_options): Don't give -ffunction-sections may
8301 affect debugging warning for Mach-O.
8303 2006-07-07 James E Wilson <wilson@specifix.com>
8305 * config/mips/mips.md (cpu): Add sb1a.
8306 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8307 addition to sb1. Adjust comments to clarify SB-1A differences from
8309 (ir_sb1a_load): New. Modify bypasses to use it.
8310 (ir_sb1a_simple_alu): Likewise.
8311 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8312 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8313 (mips_issue_rate): Add PROCESSOR_SB1A.
8314 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8315 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8316 (TARGET_SB1): Add PROCESSOR_SB1A check.
8317 (TUNE_SB1): Likewise.
8319 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8320 * config/mips/mips.c (mips_store_data_bypass_p): New.
8321 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8322 store_data_bypass_p.
8324 2006-07-08 Paul Brook <paul@codesourcery.com>
8327 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8329 2006-07-07 Richard Guenther <rguenther@suse.de>
8332 * tree.h (build_one_cst): Declare.
8333 * tree.c (build_one_cst): New function.
8334 * tree-ssa-math-opts.c (get_constant_one): Remove.
8335 (insert_reciprocals): Use build_one_cst.
8336 * fold-const.c (fold_plusminus_mult): Likewise.
8338 2006-07-07 Roger Sayle <roger@eyesopen.com>
8340 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8341 * cfgloopanal.c (dump_graph): Likewise.
8342 * dojump.c (discard_pending_stack_adjust): Likewise.
8343 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8345 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8346 * function.c (finalize_block_changes): Likewise.
8347 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8348 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8349 * rtl.c (dump_rtx_statistics): Likewise.
8350 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8352 * varray.c (dump_varray_statistics): Likewise.
8353 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8354 decode_decimal64, encode_decimal128, decode_decimal128,
8355 decimal_real_to_decimal): Likewise.
8357 2006-07-07 Richard Guenther <rguenther@suse.de>
8359 PR tree-optimization/28187
8360 * tree-vrp.c (vrp_operand_equal_p): New function.
8361 (vrp_bitmap_equal_p): Likewise.
8362 (update_value_range): Use them to compare old and new
8365 2006-07-06 Roger Sayle <roger@eyesopen.com>
8367 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8368 a default case to switch statement to silence compiler warnings.
8370 2006-07-06 Roger Sayle <roger@eyesopen.com>
8373 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8374 the configured assembler supports the x87's ffreep mnemonic.
8375 * configure: Regenerate.
8376 * config.in: Regenerate.
8378 * config/i386/i386.c (output_387_ffreep): New function.
8379 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8380 (output_387_reg_move): Likewise.
8382 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8384 Port to hosts whose 'sort' and 'tail' implementations
8385 treat operands with leading '+' as file names, as POSIX
8386 has required since 2001. However, make sure the code still
8387 works on pre-POSIX hosts.
8388 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8389 which says you should use "tail -c +N" rather than "tail +Nc".
8390 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8392 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8394 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8397 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8400 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8401 PRE_{INC,DEC} of TFmode.
8403 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8404 Alan Modra <amodra@bigpond.net.au>
8407 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8410 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8413 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8414 Remove duplicate gtu.
8416 2006-07-05 Jason Merrill <jason@redhat.com>
8420 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8421 * c-common.c (handle_packed_attribute): So don't copy it here.
8422 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8424 2006-07-05 Mike Stump <mrs@apple.com>
8426 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8428 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8431 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8433 2006-07-05 Richard Guenther <rguenther@suse.de>
8436 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8437 TARGET_SSE2 targets if using SSE math.
8438 (*absdf2_1): Likewise.
8440 2006-07-05 Richard Guenther <rguenther@suse.de>
8442 PR tree-optimization/28162
8443 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8444 make sure to convert the operands to the correct type.
8446 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8448 PR tree-optimization/28218
8450 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8451 to calculate and free the dominator information.
8453 2006-07-04 Peter O'Gorman <peter@pogma.com>
8455 * mklibgcc.in: chmod 644 before ranlib during install.
8457 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8458 J"orn Rennecke <joern.rennecke@st.com>
8460 * configure.ac (.eh_frame data check): Use diff -b.
8462 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8465 * Makefile.in (BUILD_RTL): Add build/vec.o.
8466 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8467 (build/genextract): Delete.
8468 (build/genautomata): Likewise.
8470 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8473 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8474 128-bit IBM long doubles for ABI_V4.
8476 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8478 * tree.c (range_in_array_bounds_p): New predicate.
8479 * tree.h (range_in_array_bounds_p): Declare it.
8480 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8481 return a less conservative answer.
8482 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8483 and flag 'is_group'.
8484 (IS_ELEMENT_FOR_GROUP): New macro.
8485 (FOR_EACH_ACTUAL_CHILD): Likewise.
8486 (next_child_for_group): New helper function.
8487 (can_completely_scalarize_p): Take into account groups.
8488 (sra_hash_tree): Handle RANGE_EXPR.
8489 (sra_elt_eq): Likewise.
8490 (lookup_element): Be prepared for handling groups.
8491 (is_valid_const_index): Delete.
8492 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8493 instead of is_valid_const_index.
8494 <ARRAY_RANGE_REF>: New case.
8495 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8496 is_valid_const_index.
8497 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8498 (scan_dump): Dump info for groups too.
8499 (decide_instantiation_1): Likewise.
8500 (decide_block_copy): Assert that the element is not a group.
8501 Propagate decision to groups.
8502 (generate_one_element_ref): Handle RANGE_EXPR.
8503 (mark_no_warning): Iterate over actual childs.
8504 (generate_copy_inout): Likewise.
8505 (generate_element_copy): Likewise.
8506 (generate_element_zero): Likewise.
8507 (generate_element_init_1): Likewise.
8508 (dump_sra_elt_name): Handle RANGE_EXPR.
8510 2006-07-03 Roger Sayle <roger@eyesopen.com>
8512 PR tree-optimization/26251
8513 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8514 (thread_block): When optimizing for size refuse to thread jumps
8515 that would require duplication of blocks other than redirection
8518 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8520 * configure.ac: Fix thinko in previous check-in.
8521 * configure: Regenerate.
8523 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8526 * configure.ac (for lang...): Simplify nesting of conditionals.
8527 Test subdir_requires for non-enabled languages. Move processing
8528 of lang_opt_files and lang_tree_fiels below that test.
8529 * configure: Regenerate.
8530 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8532 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8534 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8536 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8538 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8541 2006-06-29 Jason Merrill <jason@redhat.com>
8548 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8549 * c-common.c (c_determine_visibility): Handle it here.
8550 * c-decl.c (finish_decl): Call c_determine_visibility for
8552 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8554 * varasm.c (default_assemble_visibility): Likewise.
8555 * c-common.c (handle_visibility_attribute): Complain about trying
8556 to give visibility to an already defined class, or trying to change
8557 declared visibility. Always attach the attribute.
8562 * attribs.c (decl_attributes): Ignore type-in-place attributes
8563 once the type has been defined.
8565 2006-06-29 Roger Sayle <roger@eyesopen.com>
8568 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8569 to indicate the cpplib has issued an error message for us.
8571 2006-06-29 Asher Langton <langton2@llnl.gov>
8574 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8575 insert a label at the end of an function under Mach-O.
8577 2006-06-29 Eric Christopher <echristo@apple.com>
8578 Evan Cheng <evan.cheng@apple.com>
8580 * predicates.md (vector_all_ones_operand): New.
8581 (nonimmediate_or_sse_const_operand): Ditto.
8582 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8583 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8584 (standard_sse_mode_p): Ditto.
8585 (standard_sse_constant_p): Add case for -1 vector.
8586 (ix86_expand_vector_move): Try to use.
8587 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8588 Call standard_sse_constant_opcode.
8589 (*movv4sf_internal): Ditto.
8590 (*movv2df_internal): Ditto.
8592 2006-06-29 Roger Sayle <roger@eyesopen.com>
8594 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8595 of XEXP to extract the operands of a MATCH_CODE rtx.
8597 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8599 * tree.c (tree_size): Do not waste tail padding in
8600 struct tree_string and make the size be the same as
8601 build_string will generate.
8603 2006-06-28 Jason Merrill <jason@redhat.com>
8606 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8607 may_aliases already in the tag's annotations to the bitmap.
8609 2006-06-28 Roger Sayle <roger@eyesopen.com>
8611 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8613 2006-06-28 Roger Sayle <roger@eyesopen.com>
8615 * genpreds.c (generate_switch_p): New function.
8616 (add_mode_tests): Push the new mode test down inside an AND expr
8617 if this allows the switch-suitable MATCH_CODE to be near the root.
8618 (write_match_code_switch): New function to write a MATCH_CODE as
8620 (write_predicate_stmts): New function to write a predicate RTX
8621 expression as a sequence of statements.
8622 (write_one_predicate_function): Use write_predicate_stmts.
8623 (write_tm_constrs_h): Likewise.
8625 2006-06-26 Fred Fish <fnf@specifix.com>
8627 * config/mips/t-sb1: New file.
8628 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8631 2006-06-26 DJ Delorie <dj@redhat.com>
8633 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8635 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8636 Jayant Sonar <jayants@kpitcummins.com>
8637 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8639 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8640 (subsi3, subsi3_1, subsi3_2): New.
8641 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8642 * config/m32c/mov.md (SI mov peephole): New.
8643 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8644 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8646 2006-06-26 Olivier Hainque <hainque@adacore.com>
8648 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8649 a CALL_EXPR target function declaration.
8651 2006-06-26 Richard Guenther <rguenther@suse.de>
8653 * tree.c (build_string): Do not waste tail padding in
8656 2006-06-26 Richard Guenther <rguenther@suse.de>
8658 * ggc-page.c (init_ggc): Add missing element to size_lookup
8662 2006-06-23 Richard Guenther <rguenther@suse.de>
8664 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8665 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8666 alignment requests instead. Add verification code.
8667 Add struct tree_function_decl and struct tree_binfo size to
8668 extra_order_size_table. Add missing element to size_lookup
8671 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8674 * fold-const.c (const_binop): Be prepared for self returning zero.
8675 Simplify code handling complex values.
8677 2006-06-24 Olivier Hainque <hainque@adacore.com>
8679 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8680 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8683 2006-06-24 Olivier Hainque <hainque@adacore.com>
8685 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8686 ARRAY_REF, so have the callback called for the low bound expression.
8688 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8690 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8691 * c-typeck.c (c_common_type): Disallow operations on decimal float
8692 types and other float types.
8693 * convert.c (convert_to_real): Don't ignore conversions involving
8694 decimal float types.
8696 2006-06-23 Olivier Hainque <hainque@adacore.com>
8698 * tree.c (max_int_size_in_bytes): New function, inspired from
8699 code in function.c:assign_temp.
8700 * tree.h (max_int_size_in_bytes): Declare.
8701 * function.c (assign_temp): Use it.
8702 * gimplify.c (create_tmp_var): Relax the assertions on the type
8703 properties, not mandating constant size any more.
8704 (force_constant_size): New static function.
8705 (gimple_add_tmp_var): Use it, forcing variable size to a
8706 constant upper bound if it is not constant on entry.
8708 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8711 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8712 for initialization and setting of one_only flag to ...
8713 (i386_pe_encode_section_info): ...here.
8714 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8715 Recheck that the symbol has not been defined.
8717 2006-06-23 Richard Guenther <rguenther@suse.de>
8719 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8720 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8721 alignment requests instead. Add verification code.
8722 Add struct tree_function_decl and struct tree_binfo size to
8723 extra_order_size_table. Add missing element to size_lookup
8726 2006-06-22 Roger Sayle <roger@eyesopen.com>
8727 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8730 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8731 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8733 2006-06-23 Ben Elliston <bje@au.ibm.com>
8735 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8736 negate dn -- manipulate it directly.
8738 2006-06-22 Roger Sayle <roger@eyesopen.com>
8739 Steven Bosscher <stevenb.gcc@gmail.com>
8742 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8743 generated by gen_move_insn to add REG_LABEL notes if necessary.
8745 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8747 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8748 (leaf_entry): Remove use of MIN_ESA.
8750 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8752 PR rtl-optimization/28121
8753 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8756 2006-06-21 DJ Delorie <dj@redhat.com>
8758 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8760 (mulhisi3_r): Likewise.
8762 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8765 * coverage.c (coverage_counter_alloc): Leave the index type
8767 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8770 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8772 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8773 section from the "Options for Code Generation Conventions".
8775 2006-06-21 Richard Henderson <rth@redhat.com>
8779 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8781 (global_symbolic_operand): Allow weak symbols, even if local_p.
8783 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8785 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8786 (find_interesting_uses_address): Punt if above function returns true.
8788 2006-06-21 Richard Guenther <rguenther@suse.de>
8790 * configure: Regenerated.
8792 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8794 * config/mips/mips.c (function_arg): Where one part of a
8795 complex argument is in registers and the other part in the stack,
8796 return a REG not a PARALLEL.
8798 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8800 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8801 when cross-compiling. Do not substitute libstdcxx_incdir.
8802 * configure: Regenerated.
8804 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8806 * varasm.c (mergeable_string_section): Check for embedded NULs and
8807 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8808 rather than TREE_STRING_LENGTH bytes.
8810 2006-06-21 Richard Guenther <rguenther@suse.de>
8812 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8813 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8816 2006-06-21 Richrad Guenther <rguenther@suse.de>
8818 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8819 Limit iteration over the dominators.
8821 2006-06-20 Roger Sayle <roger@eyesopen.com>
8823 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8824 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8826 2006-06-20 Richard Guenther <rguenther@suse.de>
8827 Michael Matz <matz@suse.de>
8829 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8831 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8832 * et-forest.h (et_free_pools): Prototype new function.
8833 * et-forest.c (et_free_tree_force): Free parent occurrence.
8834 (et_free_pools): New function.
8835 * dominance.c (free_dominance_info): Free et-forest alloc
8838 2006-06-20 Roger Sayle <roger@eyesopen.com>
8840 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8841 integer modes, attempt to directly construct an integer constant.
8843 * fold-const.c (native_encode_vector): Determine the size of each
8844 element from the vector type instead of the first vector element.
8846 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8847 if all of its elements/components are constant.
8848 (build_constructor_from_list): Likewise.
8850 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8852 PR tree-optimization/27331
8853 * tree-data-ref.c (free_data_ref): New function.
8854 (create_data_ref): Fail if the data reference has unknown access
8856 (free_data_refs): Use free_data_ref.
8858 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8861 * tree-inline.c (setup_one_parameter): Strip useless
8862 type conversion before adding it to the IR.
8863 (declare_return_variable): Likewise.
8865 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8868 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8870 2006-06-19 Mike Stump <mrs@apple.com>
8872 * tree.c (variably_modified_type_p): VM arguments don't make the
8875 2006-06-19 Richard Guenther <rguenther@suse.de>
8877 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8878 type conversions after folding.
8880 2006-06-19 Richard Guenther <rguenther@suse.de>
8882 * ggc-page.c (extra_order_size_tab): Add entries with
8883 size of struct function and basic_block.
8884 (size_lookup): Extend to cover sizes up to 511.
8885 (ggc_alloc_stat): Adjust user.
8886 (ggc_pch_count_object): Likewise.
8887 (ggc_pch_alloc_object): Likewise.
8888 (ggc_pch_write_object): Likewise.
8890 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8892 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8893 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8896 2006-06-19 Denis Chertykov <denisc@overta.ru>
8898 * config/avr/libgcc.S : Correct my wrong previous commit.
8900 2006-06-19 Roger Sayle <roger@eyesopen.com>
8903 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8904 have stripped a SUBREG from the shift count, so we may need to
8905 convert_to_mode back to the type's mode before calling make_tree.
8906 Use new_amount instead of amount to avoid expanding a tree twice.
8908 2006-06-19 Richard Guenther <rguenther@suse.de>
8911 * fold-const.c (operand_equal_p): Check if the argument types
8912 have the same precision before stripping NOPs.
8914 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8916 Fix PR tree-optimization/27341
8917 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8919 * tree-complex.c (pass_lower_complex): Update SMT usage.
8921 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8923 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8924 Add a new alternative to the constraint strings. Add move of
8925 operand 1 to 3 to the splitter definition.
8926 ("doloop_si_long"): Second contraint alternative removed.
8928 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8930 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8931 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8933 (AVR_HAVE_MOVW) Define.
8934 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8935 (ASM_SPEC): Add avr25.
8936 (LINK_SPEC): Add avr25.
8937 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8938 (base_arch_s): Add new member 'have_movw_lpmx'.
8939 (avr_arch_types): Init 'have_movw_lpmx'.
8940 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8941 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8942 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8943 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8944 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8946 (avr_file_start): Do not output '.arh' derective.
8947 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8948 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8949 * config/avr/avr.md (mcu_enhanced): Delete.
8950 (mcu_have_movw): Define.
8951 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8952 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8953 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8954 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8955 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8956 attiny861 and at86rf401 devices.
8958 2006-06-18 Jie Zhang <jie.zhang@analog.com>
8960 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
8963 2006-06-17 Karl Berry <karl@gnu.org>
8965 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
8966 doc/gccint.texi, doc/install.texi (@dircategory): Use
8967 "Software development" instead of "Programming", following
8968 the Free Software Directory.
8970 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8972 * config/i386/i386.c (legitimate_tls_address)
8973 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8974 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8975 (*tls_dynamic_gnu2_combine_64): Likewise.
8977 2006-06-16 Richard Guenther <rguenther@suse.de>
8980 * fold-const.c (negate_expr_p): Do not introduce undefined
8981 overflow in negating INTEGER_CSTs.
8982 (fold_negate_expr): Rename from negate_expr. Revert last
8983 change for folding BIT_NOT_EXPR. Change semantics to
8984 return NULL_TREE for non-simplified negations. Do not
8985 strip type conversions and unify type handling.
8986 (negate_expr): New function, wrap around fold_negate_expr
8987 but ensure building a tree always. Strip type conversions
8988 here, fold to result type.
8989 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8991 2006-06-16 Roger Sayle <roger@eyesopen.com>
8994 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8995 that (would) return their results in stack registers.
8997 2006-06-16 Michael Matz <matz@suse.de>
8998 Richard Guenther <rguenther@suse.de>
9000 * fold-const.c (fold_truthop): Only return new tree node if
9001 we canonicalized something.
9003 2006-06-16 Richard Guenther <rguenther@suse.de>
9005 * function.h (enum function_frequency): Move declaration
9006 out of struct function.
9007 (struct function): Move bool fields and the enum to the bitfield
9008 section. Reorder elements to avoid padding. Remove unused
9009 fields left over from the RTL inliner removal.
9010 * function.c (free_after_compilation): Do not zero removed fields.
9011 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9012 (ipa-type-escape.o): Likewise.
9014 2006-06-16 Richard Guenther <rguenther@suse.de>
9016 * cgraph.h (struct cgraph_local_info): Turn bool elements
9018 (struct cgraph_node): Likewise.
9019 (struct cgraph_varpool_node): Likewise.
9021 2006-06-15 Richard Guenther <rguenther@suse.de>
9023 * fold-const.c (fold_truth_not_expr): Rename from
9024 invert_truthvalue. Give it fold_* semantics to avoid
9026 (invert_truthvalue): New function. Wrapper around
9027 fold_truth_not_expr.
9028 (optimize_minmax_comparison): Avoid creating garbage.
9029 (fold_unary): Use fold_truth_not_expr for folding
9031 (fold_ternary): Replace uses of invert_truthvalue with
9032 fold_truth_not_expr where applicable.
9033 * tree.h (fold_truth_not_expr): Prototype.
9035 2006-06-16 Richard Guenther <rguenther@suse.de>
9037 PR tree-optimization/27781
9038 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9039 * ipa-pure-const.c (target.h): Include.
9040 (analyze_function): Do not analyze functions that do not
9043 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9046 * tree-dfa.c (referenced_vars_dup_list): Remove.
9047 (find_referenced_vars): Remove assert.
9048 (referenced_var_check_and_insert): Replace dup list with assert.
9049 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9050 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9052 2006-06-15 Richard Guenther <rguenther@suse.de>
9054 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9055 extra unused identifiers if not dumping.
9056 (create_variable_info_for): Likewise.
9058 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9060 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9061 (derive_constant_upper_bound): Derive more precise upper bound in
9062 common cases. Return type changed to double_int.
9063 (record_estimate): Reflect the changed return type of
9064 derive_constant_upper_bound.
9065 * double-int.c (double_int_zext, double_int_sext): Fix.
9067 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9069 * configure.ac (CFLAGS): Get them from the toplevel or from the
9070 configure invocation.
9071 * configure: Regenerate.
9072 * Makefile.in (CFLAGS): Substitute value provided by configure.
9074 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9077 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9078 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9079 rather than calling add_stmt on it.
9080 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9082 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9085 * reload1.c (reload): Remove registers returned by update_eliminables
9086 from used_spill_regs.
9088 2006-06-13 DJ Delorie <dj@redhat.com>
9090 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9092 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9094 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9095 html__strip_dir, html__mkdir_p. Enhance install-html target.
9096 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9097 * configure: Regenerate.
9099 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9101 * fold-const.c (fold_cond_expr_with_comparison): Check for
9102 Objective-C++ as language in deciding COND_EXPR transformation.
9104 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9107 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9108 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9109 * config/sh/lib1funcs.h (SL, SL1): Define.
9110 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9111 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9112 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9113 (OBJS_Os_4_200): New variable.
9114 ($(T)libgcc-Os-4-200.a): Use it.
9115 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9116 when dividing 1 and/or by 0.
9118 2006-06-13 Roger Sayle <roger@eyesopen.com>
9120 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9121 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9122 * configure: Regenerate.
9124 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9126 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9127 for real instruction.
9129 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9132 * haifa-sched.c (check_cfg): Handle special case.
9134 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9137 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9138 Add debug_info parameter. Chain the vars to the BLOCK instead
9139 of the BIND_EXPR if debug info are requested for them.
9140 (pop_gimplify_context): Adjust for above change.
9141 (gimple_add_tmp_var): Likewise.
9142 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9144 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9145 (convert_local_reference): Likewise.
9146 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9147 (finalize_nesting_tree_1): Request that debug info be emitted
9148 for debug_var_chain.
9150 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9152 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9153 for PR target/27863.
9155 2006-06-13 Richard Guenther <rguenther@suse.de>
9158 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9160 2006-06-13 Richard Guenther <rguenther@suse.de>
9162 PR tree-optimization/27830
9163 * tree-inline.c (copy_body_r): For copying the operand
9164 of an ADDR_EXPR make sure to fold &* afterwards.
9166 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9168 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9169 lvalues in the fb_none case with side-effects.
9171 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9173 * tree-flow.h: Remove the prototype for
9174 compute_phi_arg_on_exit.
9175 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9176 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9179 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9181 * builtins.c (expand_builtin_return_addr): Only use
9182 frame_pointer_rtx when count == 0 and we are expanding
9183 __builtin_return_address.
9185 2006-06-12 Fred Fish <fnf@specifix.com>
9187 * config/mips/mips.c (mips_file_start): Create special section
9188 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9190 2006-06-11 Eric Christopher <echristo@apple.com>
9193 * stor-layout.c (place_field): Remove check for
9194 remaining_in_alignment when aligning at the end of a run.
9196 2006-06-11 Eric Christopher <echristo@apple.com>
9199 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9202 2006-06-11 Roger Sayle <roger@eyesopen.com>
9205 Revert incorrect fix for PR target/27158
9206 2006-05-08 Roger Sayle <roger@eyesopen.com>
9207 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9208 of a reg_equiv_constant if the result is a legitimate constant.
9210 2006-06-11 Roger Sayle <roger@eyesopen.com>
9213 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9214 extract a CONST_VECTOR element and interpret it as an integer.
9215 (vspltis_constant): Use const_vector_elt_as_int instead of the
9216 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9217 * config/rs6000/predicates.md (easy_vector_const): Consider
9218 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9220 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9223 * stor-layout.c (update_alignment_for_field): Don't add extra
9224 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9227 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9229 * config/mips/t-rtems: Add EL/EB multilib variants.
9231 2006-06-09 Mike Stump <mrs@apple.com>
9233 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9235 2006-06-09 David Daney <ddaney@avtrex.com>
9237 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9239 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9241 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9243 2006-06-09 Richard Guenther <rguenther@suse.de>
9245 PR tree-optimization/26998
9246 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9247 of signed types, only TYPE_MIN_VALUE is special, but for both,
9248 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9249 in this case, as is -fwrapv.
9251 2006-06-08 Mike Stump <mrs@apple.com>
9254 * config/darwin.c (darwin_asm_output_anchor): Disable
9255 -fsection-anchors on darwin for now.
9256 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9257 * rs6000/rs6000.c (optimization_options): Likewise.
9259 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9262 * config/i386/i386.c (classify_argument): Skip fields with invalid
9265 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9267 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9268 (cse_insn): Likewise for the stack_pointer_rtx.
9270 2006-06-08 Roger Sayle <roger@eyesopen.com>
9272 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9273 conditions from floating point comparisons.
9275 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9278 * expmed.c (struct alg_hash_entry): Fix type of field T
9279 to match synth_mult argument.
9280 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9282 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9285 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9288 2006-06-08 Richard Guenther <rguenther@suse.de>
9291 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9292 only, if overflow is defined and not trapping.
9293 (negate_expr): Likewise.
9295 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9297 PR tree-optimization/27872
9298 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9299 flag on the new exit edge of the unrolled loop.
9301 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9303 PR rtl-optimization/26449
9304 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9306 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9309 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9310 referenced_variables with matching DECL_UID's.
9311 (find_referenced_vars): Make sure duplicate list is empty to start.
9312 (referenced_var_p): Remove.
9313 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9314 Check if var is in the list, and add if needed. Update the duplicate
9315 list if a different var is in the list with the same DECL_UID.
9316 (add_referenced_var): Call routine to check and insert.
9317 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9318 * tree-flow.h (referenced_vars_dup_list): External declaration.
9320 2006-06-07 Fred Fish <fnf@specifix.com>
9322 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9325 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9328 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9329 the imaginary and real parts of a clobbered register.
9330 Emit insn to set the imaginary part.
9332 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9334 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9335 in lieu of unwind-dw2-fde.c.
9337 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9339 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9341 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9344 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9345 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9346 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9347 V4SImode temporaries and operations instead.
9349 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9351 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9354 2006-06-06 Mike Stump <mrs@apple.com>
9356 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9357 installing during build.
9359 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9361 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9363 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9364 * config/ia64/ia64.c (params.h): New header.
9365 (ia64_optimization_options): New function to adjust parameters.
9366 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9367 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9368 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9370 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9372 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9374 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9377 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9379 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9380 Victor Kaplansky <victork@il.ibm.com>
9382 PR tree-optimization/26360
9383 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9386 2006-06-04 Roger Sayle <roger@eyesopen.com>
9387 Andrew Pinski <pinskia@physics.uc.edu>
9390 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9391 for LABEL_DECL before calling DECL_WEAK.
9394 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9395 LABEL_DECL and PARM_DECL.
9397 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9401 * c-decl.c (grokdeclarator): Disallow variably modified types at
9402 file scope. Avoid marking shared array type of constant size as
9405 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9408 * c-common.c (fold_offsetof_1): Handle static members.
9410 2006-06-04 Eric Christopher <echristo@apple.com>
9412 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9413 (debug_rli): Output value for remaining_in_alignment.
9414 (update_alignment_for_field): Unconditionalize
9415 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9416 extra alignment code.
9417 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9418 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9419 * tree.h (record_layout_info_s): Remove prev_packed.
9420 * doc/extend.texi (ms_struct): Add documentation of format.
9422 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9424 * tree.h: Declare folding_initializer.
9425 * builtins.c (fold_builtin_constant_p): Give definite answer
9426 if folding inside an initializer.
9427 * fold-const.c: Define folding_initializer.
9428 (START_FOLD_INIT): Save and then set folding_initializer.
9429 (END_FOLD_INIT): Restore folding_initializer.
9431 2006-06-04 Richard Guenther <rguenther@suse.de>
9433 PR tree-optimization/27039
9434 * fold-const.c (fold_comparison): Handle pointer comparison
9435 again for all comparison codes. Compare offsets in signed
9437 (fold_binary): Move code from here.
9439 2006-06-03 Roger Sayle <roger@eyesopen.com>
9442 * config/i386/i386.c (construct_container): Split static issued_error
9443 flag into issued_sse_arg_error, issued_sse_ret_error and
9444 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9445 requires the use of x87 registers and the user explicitly
9446 specified the -mno-80387 command line option.
9448 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9450 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9451 HAVE_DECL_SIGALTSTACK.
9453 (segv_handler): Use MC_FLD.
9454 * configure.ac: Check for a sigaltstack declaration.
9455 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9456 * configure: Regenerate.
9457 * config.in: Regenerate.
9459 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9462 * Makefile.in (stmp-fixinc): Fix typo.
9464 2006-06-02 Roger Sayle <roger@eyesopen.com>
9466 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9467 are type correct. Clean-up.
9468 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9469 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9471 2006-06-01 DJ Delorie <dj@redhat.com>
9473 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9474 shift, as we've disabled the "switch" insn that needs it.
9476 2006-06-01 Per Bothner <bothner@bothner.com>
9478 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9479 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9480 * c-ppoutput.c (cb_define): Don't increment line 0.
9482 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9484 * doc/invoke.texi: Add cpu_type power6.
9485 * config.gcc: Add cpu_type power6.
9486 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9487 to power5+ with Altivec.
9488 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9489 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9491 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9493 * config/avr/avr.h (SET_ASM_OP): Define.
9495 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9497 * config/bfin/bfin.c: Fix comment typos.
9499 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9502 * doc/install.texi: Document --enable-bootstrap and
9503 --disable-bootstrap.
9505 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9507 * doc/install.texi: Document that InfoZIP can replace jar.
9509 2006-05-31 Roger Sayle <roger@eyesopen.com>
9511 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9512 isn't available, directly generate the simpler x87 patterns without
9513 the (use (const_int 0)).
9514 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9515 implementation isn't available.
9516 (*negdf2_1): Likewise.
9517 (*negxf2_1): XF mode negation is always done using the x87.
9518 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9520 2006-05-31 Roger Sayle <roger@eyesopen.com>
9522 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9523 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9525 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9527 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9529 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9530 * config/bfin/bfin.c (basic-block.h): Include.
9531 (struct machine_function): New.
9532 (bfin_init_machine_status): New.
9533 (override_options): Initialize init_machine_status.
9534 (bfin_hardware_loop): New.
9535 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9536 (DEF_VEC_P (loop_info)): New.
9537 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9538 (struct loop_info): New.
9539 (loop_info): New typedef.
9540 (struct loop_work): New.
9541 (loop_work): New typedef.
9542 (DEF_VEC_O (loop_work)): New.
9543 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9544 (bfin_dump_loops): New.
9545 (bfin_bb_in_loop): New.
9546 (bfin_scan_loop): New.
9547 (bfin_optimize_loop): New.
9548 (bfin_reorg_loops): New.
9549 (bfin_reorg): Use bfin_reorg_loops.
9550 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9552 (I_REGNO_P): Simplify.
9553 (DP_REGNO_P, DPREG_P): New macros.
9554 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9555 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9556 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9557 Add LT_REGS, LC_REGS, LB_REGS.
9558 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9560 (REGNO_REG_CLASS): Deal with loop registers.
9561 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9563 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9564 New constants for loop registers.
9565 (UNSPEC_LSETUP_END): New.
9566 (seq_insns): New define_attr. Set it for appropriate insns.
9567 (movsi_insn): Add alternatives for move from/to
9568 loop count registers.
9569 (doloop_end): New define_expand.
9570 (loop_end): New define_insn.
9571 (define_split for bad doloop_end): New.
9572 (lsetup_with_autoinit): New define_insn.
9573 (lsetup_without_autoinit): New define_insn.
9574 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9575 * config/bfin/predicates.md (lc_register_operand): New.
9576 (lt_register_operand): New.
9577 (lb_register_operand): New.
9578 (nondp_register_operand): New.
9579 (nondp_reg_or_memory_operand): New.
9580 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9582 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9584 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9585 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9587 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9589 * Makefile.in (CATALOGS): Add po/ prefix.
9590 * configure: Regenerated.
9592 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9595 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9596 a shift operand before calling shift_op. Avoid redundant call of
9599 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9600 DJ Delorie <dj@redhat.com>
9602 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9603 we're inserting is a singlt-bit constant.
9605 2006-05-30 Roger Sayle <roger@eyesopen.com>
9607 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9608 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9610 2006-05-30 Roger Sayle <roger@eyesopen.com>
9612 PR tree-optimization/23452
9613 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9614 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9615 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9616 complex values and with -ffast-math for FP complex values.
9618 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9620 * c-common.h: Remove the prototype for yyparse.
9621 * rtl.h: Remove the prototype for init_loop.
9623 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9625 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9628 2006-05-30 Roger Sayle <roger@eyesopen.com>
9630 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9632 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9633 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9635 2006-05-30 Dirk Mueller <dmueller@suse.de>
9638 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9639 for CONSTANT_CLASS_P expresisons.
9641 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9644 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9646 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9648 PR tree-optimization/27779
9649 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9650 initial_condition instead of CHREC_LEFT.
9652 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9654 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9655 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9656 Make prototypes ISO C90.
9658 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9659 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9661 * see.c (see_analyze_one_def): Correct check.
9662 (see_get_extension_data): Check if extension is parallel.
9663 (see_get_extension_reg): Likewise.
9665 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9668 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9669 into register for (code == GTU).
9671 2006-05-29 Roger Sayle <roger@eyesopen.com>
9673 PR tree-optimization/24964
9674 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9675 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9676 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9677 abs(x)*abs(x) as x*x for scalar floating point modes.
9679 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9682 * lambda-code.c (perfect_nestify): Don't copy statements
9683 in the inner loop: move them to the inner loop header.
9685 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9688 * c-tree.texi: Document OpenMP directives and clauses.
9690 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9692 * varasm.c (globalize_decl): Fix indentation.
9694 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9697 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9698 pass_fre, pass_store_ccp, pass_copy_prop,
9699 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9700 pass_return_slot, pass_object_size, pass_lim,
9701 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9702 pass_loop_prefetch and pass_stdarg.
9704 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9706 * config/bfin/bfin.opt (mfdpic): New option.
9707 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9708 (EXTRA_MULTILIB_PARTS): Likewise.
9709 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9710 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9712 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9713 (CRT_CALL_STATIC_FUNCTION): New.
9714 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9716 (CRT_CALL_STATIC_FUNCTION): New.
9717 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9719 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9720 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9721 (initialize_trampoline): Changed to handle FD-PIC code generation.
9722 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9723 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9724 (override_options): Disallow -mid-shared-library -mfdpic combination.
9725 Can't do unaligned ops if FD-PIC.
9726 Turn off flag_pic if trying to generate non-id-shared-library
9727 non-fdpic code, since it's not supported.
9728 (bfin_assemble_integer): New function.
9729 (TARGET_ASM_INTEGER): Define.
9730 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9732 * config/bfin/crtn.s: Restore them.
9733 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9735 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9736 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9737 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9738 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9739 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9741 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9742 FDPIC_REGS and FDPIC_FPTR_REGS.
9743 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9744 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9745 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9746 (load_funcdescsi): New pattern.
9747 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9748 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9749 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9751 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9753 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9756 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9758 * tree-flow.h: Remove the prototype for add_type_alias.
9759 * tree-ssa-alias.c (add_type_alias): Remove.
9761 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9763 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9764 config/fr30/fr30.md, config/i386/i386-interix.h,
9765 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9766 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9767 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9768 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9769 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9770 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9771 Follow spelling conventions.
9772 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9773 Follow spelling conventions.
9775 2006-05-27 Richard Guenther <rguenther@suse.de>
9778 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9779 to produce a constant of value 1 of generic type.
9781 2006-05-27 Dirk Mueller <dmueller@suse.de>
9783 * cgraphunit.c (decide_is_function_needed): Fix wrong
9786 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9788 PR rtl-optimization/27661
9789 * reload.c (find_reloads): When reloading a VOIDmode constant
9790 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9791 use Pmode as mode of the reload register.
9793 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9795 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9796 is enabled at -O and above.
9798 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9801 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9804 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9807 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9808 for anonymous variables explicitly declared by front ends.
9810 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9812 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9813 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9814 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9815 ref-all pointers, run a finalization pass for them.
9816 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9817 (finalize_ref_all_pointers): New function.
9818 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9819 regular pointer type to a ref-all pointer type.
9820 (get_tmt_for): Return the special memory tag for ref-all pointers.
9822 2006-05-25 Richard Guenther <rguenther@suse.de>
9825 * fold-const.c (fold_binary): Do not look at the stripped
9826 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9828 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9830 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9831 for LT and GT if the computed range is effectively empty.
9833 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9836 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9837 mips_quad_format formats instead of ieee_single_format,
9838 ieee_double_format and ieee_quad_format formats, respectively.
9840 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9842 PR tree-optimization/27639
9843 PR tree-optimization/26719
9844 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9845 call to scev_probably_wraps_p.
9846 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9847 used_in_pointer_arithmetic_p, convert_step): Removed.
9848 (nowrap_type_p): New function.
9849 (scev_probably_wraps_p): Rewritten.
9850 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9851 chrec_convert if chrec_convert_aggressive might have been used.
9852 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9853 scev_direction): New functions.
9854 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9855 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9856 instead of convert_step.
9857 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9858 (convert_step): Declaration removed.
9859 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9861 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9863 * df-core.c: Added to header comments.
9864 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9865 df_ur_bb_info, df_urec_bb_info): Added comments.
9866 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9867 urec, ri problems): Fixed header comments.
9868 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9869 code from df_rd_transfer_function.
9871 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9873 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9874 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9875 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9877 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9879 * expr.c (undefined_operand_subword_p): New.
9880 (emit_move_multi_word): Do not generate move from undefined bits
9881 of a paradoxical subreg.
9883 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9885 PR rtl-optimization/27736
9886 * combine.c (replaced_rhs_value): New variable.
9887 (combine_instructions): Set it.
9888 (distribute_notes): When distributing a note in replaced_rhs_insn,
9889 check whether the value was used in replaced_rhs_value.
9891 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9894 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9895 add_referenced_var instead of add_referenced_tmp_var.
9896 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9897 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9899 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9900 tree_optimize_tail_calls_1): Use add_referenced_var.
9901 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9902 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9903 Use add_referenced_var.
9904 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9905 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9906 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9907 Use add_referenced_var.
9908 * tree-dfa.c (struct walk_state): Remove.
9909 (find_referenced_vars): Remove walk state and vars_found hash table.
9910 (make_rename_temp): Use add_referenced_var.
9911 (find_vars_r): Pass less parameters to add_referenced_var.
9912 (referenced_var_p): New. Is var in referenced_var hash table.
9913 (referenced_var_insert): Assert var isn't already in hash table.
9914 (add_referenced_var): Don't need walk_state parameter. Add var if it
9915 isn't already in the hash table.
9916 (add_referenced_tmp_var): Remove.
9917 (find_new_referenced_vars_1): Use add_referenced_var.
9918 * tree-ssa-pre.c (create_expression_by_pieces,
9919 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9920 Use add_referenced_var.
9921 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9922 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9923 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9925 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9926 vect_create_data_ref_ptr, vect_create_destination_var,
9927 vect_init_vector, vect_build_loop_niters,
9928 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9929 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9930 Use add_referenced_var.
9931 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9932 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9933 (add_referenced_var): Add prototype.
9934 * tree-ssa-structalias.c (get_constraint_for,
9935 intra_create_variable_infos): Use add_referenced_var.
9937 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9939 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9940 big-endian paradoxical subregs.
9941 * var-tracking.c (struct micro_operation_def): Document that,
9942 for modify micro operations, insn is the subsequent instruction.
9943 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9944 (var_reg_set, var_mem_set): ... new functions.
9945 (add_stores): Record subsequent insn.
9946 (compute_bb_dataflow): Use new functions for MO_USE.
9947 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9948 notes after the insn, and modify notes before the insn known
9949 to be the subsequent one.
9950 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9952 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9955 * config/i386/i386.c (ix86_expand_builtin): Use
9956 gen_sse3_monitor64 for TARGET_64BIT.
9958 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
9960 PR rtl-optimization/26375
9961 PR rtl-optimization/26855
9962 * df-problems (df_ru_bb_local_compute_process_def): Removed update
9964 (df_ru_bb_local_compute): Reversed statements and removed bogus
9965 comment explaining why they should be in wrong order.
9966 (df_ru_dump, df_rd_dump): Enhanced debug info.
9967 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9969 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9970 reaching uses and fixed space problem.
9972 2006-05-23 Jan Hubicka <jh@suse.cz>
9974 * cgraphunit.c (decide_is_function_needed): Also nested functions
9975 and functions declared inline can be optimized out at -O0.
9977 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9979 * doc/install.texi (Configuration): Remove reference to CrossGCC
9983 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9986 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9987 ix86_compare_emitted is non-NULL.
9989 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9992 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9995 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9997 PR rtl-optimization/25514
9998 * combine.c (replaced_rhs_insn): New variable.
9999 (combine_instructions): Set replaced_rhs_insn when trying to replace
10000 a SET_SRC with a REG_EQUAL note.
10001 (distribute_notes): Use replaced_rhs_insn when determining the live
10002 range of a REG_DEAD register.
10004 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10005 Anatoly Sokolov <aesok@post.ru>
10007 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10008 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10009 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10010 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10011 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10012 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10013 at90usb647, at90usb1286 and at90usb1287 devices.
10014 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10015 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10017 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10019 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10021 2006-05-22 Richard Guenther <rguenther@suse.de>
10024 2006-01-31 Richard Guenther <rguenther@suse.de>
10025 Paolo Bonzini <bonzini@gnu.org>
10027 * doc/install.texi (--disable-libgcc-math): Document.
10029 2006-05-22 Richard Guenther <rguenther@suse.de>
10032 2006-01-31 Richard Guenther <rguenther@suse.de>
10034 * doc/invoke.texi (-msselibm): Document.
10035 * target.h (expand_library_builtin): New target hook.
10036 * builtins.c (expand_builtin): Use expand_library_builtin.
10037 (default_expand_library_builtin): New function.
10038 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10039 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10040 (link_gcc_math_spec): Declare.
10041 (static_specs): Add link_gcc_math_spec.
10042 * expr.h (default_expand_library_builtin): Declare.
10043 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10044 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10045 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10046 * config/i386/i386.opt (msselibm): New target option.
10047 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10048 (ix86_init_sse_abi_builtins): New function.
10049 (ix86_expand_library_builtin): Likewise.
10050 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10051 (override_options): Handle error conditions wrt -msselibm.
10052 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10053 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10054 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10057 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10060 * c-common.c (self_promoting_args_p): Skip erroneous args.
10063 * c-decl.c (finish_struct): Skip erroneous fields.
10065 2006-05-22 Nick Clifton <nickc@redhat.com>
10067 * config/cris/cris.opt (march): Remove VarExists attribute.
10068 (max-stackframe=): Likewise.
10070 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10072 * doc/rtl.texi: Fix a typo.
10073 * see.c: Fix comment typos.
10075 * tree-ssa-structalias.h (alias_info): Remove num_references.
10077 2006-05-21 Mike Stump <mrs@apple.com>
10079 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10081 (darwin_pragma_options): Use BAD instead.
10082 (darwin_pragma_unused): Likewise.
10083 (darwin_pragma_ms_struct): Likewise.
10085 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10087 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10089 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10091 PR rtl-optimization/27671
10092 * simplify-rtx.c (simplify_relational_operation_1): Fix
10093 simplifications of (eq/ne (xor x y) y) and
10094 (eq/ne (xor x y) x).
10096 PR tree-optimization/26622.
10097 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10100 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10102 * tree-cfg.c: Prune whitespace.
10103 (debug_tree_cfg): Point to correct header containing the
10106 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10108 PR middle-end/25776
10109 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10111 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10113 PR middle-end/25776
10114 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10115 or sorry count is non zero.
10117 2006-05-20 Andreas Schwab <schwab@suse.de>
10119 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10121 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10122 Kenneth Zadeck <zadeck@naturalbridge.com>
10124 PR rtl-optimization/26855
10126 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10128 (df_scan_alloc): Added code to properly handle multiword hard
10129 registers and add all_blocks parameter.
10130 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10131 code to properly handle multiword hard registers.
10132 (df_rescan_blocks): Added code to remove deleted blocks from
10134 (df_ref_create_structure, df_ref_record): Added code to properly
10136 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10137 and set DF_REF_PARTIAL.
10138 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10139 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10140 (df_scan_add_problem): Added flags parameter.
10141 (df_ref_create_structure): Changed switching structure.
10142 (df_bb_refs_record): Fixed case where duplicate artificial refs
10143 were created. Changed location of flags.
10144 (df_record_entry_block_defs): Added code to make stack pointer
10145 live in entry block. Refined cases where frame pointer is needed.
10146 Changed location of flags.
10147 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10148 (df_set_state): Removed function.
10149 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10150 df_insn_create_insn_record, df_insn_refs_delete,
10151 df_ref_create_structure): Formatting changes.
10152 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10153 df_delete_basic_block): New function.
10154 (df_init): Changed location of flags.
10155 (df_add_problem): Added flags parameter and the way flags are
10157 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10158 debug_df_chain): Improved debugging output.
10159 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10160 (df_refs_chain_dump): Removed df parameter.
10161 (df_iterative_dataflow): Added consistency check.
10162 (df_prune_to_subcfg): Made public.
10163 (df_analyze_problem): Added blocks_to_init parameter and made
10165 (df_ref_record, df_bb_refs_record, df_mark_reg,
10166 df_record_exit_block_uses): Whitespace changes.
10167 (df_dump): Whitespace changes.
10168 * df.h: Some reordering to remove forward references.
10169 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10170 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10171 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10172 (dataflow.flags): New field.
10173 (df.flag): Deleted field.
10174 (df_alloc_function): Added additional bitmap parameter.
10175 (df_dependent_problem_function): New type.
10176 (df_problem.changeable_flags): New field.
10177 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10178 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10179 (df_mw_hardreg): New struct.
10180 (DF_INSN_UID_MWS): New macro.
10181 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10183 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10184 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10185 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10186 (df_set_state): Removed function.
10187 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10188 * df-problems.c (df_chain_dump): Removed df parameter.
10189 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10190 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10192 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10193 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10194 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10195 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10196 DF_REF_MUST_CLOBBER cases.
10197 (df_ru_bb_local_compute_process_def,
10198 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10199 df_lr_bb_local_compute, df_ur_bb_local_compute,
10200 df_chain_create_bb): Made subreg aware.
10201 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10202 df_lr_bb_local_compute, df_lr_bb_local_compute,
10203 df_chain_create_bb): Cleanup to use proper macros.
10204 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10205 code to fixup bitvectors.
10206 (df_ri_alloc): Cleared lifetime.
10207 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10208 df_create_unused_note): New function.
10209 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10210 REG_DEAD and REG_UNUSED notes as well as register information.
10211 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10212 df_chains_dump): Fixed crash if problem was never run.
10213 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10214 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10215 df_ri_add_problem): Processes flags in uniform manner.
10216 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10217 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10218 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10219 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10220 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10221 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10222 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10223 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10224 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10225 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10226 * see.c (see_initialize_data): Ditto.
10227 * final.c (rest_of_clean_state) Added regstack_completed.
10228 * rtl.h (regstack_completed): Ditto.
10229 * reg-stack.c (regstack_completed): Ditto.
10231 2006-05-19 Mike Stump <mrs@apple.com>
10233 * c-tree.h (default_conversion): Remove.
10234 * c-common.h (default_conversion): Add.
10236 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10238 * tree-vrp.c (valid_value_p): New function.
10239 (adjust_range_with_scev): Fail if the value of bound is not
10242 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10244 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10245 (mips_fallback_frame_state): Use syscall numbers to determine
10246 the appropriate li instruction for the current ABI. Only use
10247 __NR_sigreturn for o32.
10249 2006-05-19 Nicolas Setton <setton@adacore.com>
10251 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10252 * langhooks.c (lhd_dwarf_name): New function.
10253 * langhooks-def.h (lhd_dwarf_name): Declare.
10254 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10255 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10257 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10259 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10261 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10262 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10263 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10264 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10265 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10266 determine the size of Wtype, etc.
10267 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10268 (swfloatfuncs): New variable.
10269 (dwfloatfuncs): Likewise.
10270 (lib2funcs): Remove floating-point conversion functions from
10271 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10272 the set of conversion routines needed. Allow entries to specify
10273 an object name, filename and word size. Update users accordingly.
10274 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10275 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10279 2006-02-08 Roger Sayle <roger@eyesopen.com>
10282 * config/fixtfdi.c: New libgcc source file.
10283 * config/fixunstfdi.c: New source file.
10284 * config/floatditf.c: New source file.
10285 * config/floatunditf.c: New souce file.
10286 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10287 files above instead of config/mips/_tilib.c.
10288 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10290 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10292 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10293 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10295 2006-05-18 Mike Stump <mrs@apple.com>
10297 Fix up vla, vm and [*] sematics.
10303 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10304 (c_vla_unspec_p): Add.
10305 (c_vla_type_p): Add.
10306 * c-decl.c (struct c_scope): Add had_vla_unspec.
10307 (build_array_declarator): Add support for [*].
10308 (grokdeclarator): Likewise.
10309 (grokparms): Likewise.
10310 (get_parm_info): Likewise.
10311 * c-objc-common.c (c_vla_unspec_p): Likewise.
10312 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10313 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10314 typeof when argument is a variably modified type not inside sizeof or alignof.
10315 (c_parser_direct_declarator_inner): Propagate errors.
10316 (c_parser_sizeof_expression): Add support for [*].
10317 (c_parser_parms_declarator): Initialize had_vla_unspec.
10318 (c_parser_parms_list_declarator): Likewise.
10319 * c-typeck.c (c_vla_type_p): Add.
10320 (composite_type): Add support for vla compositing.
10321 (comptypes_internal): Add support for vla compatibility.
10322 (c_expr_sizeof_expr): Evaluate vla arguments.
10323 * tree.c (variably_modified_type_p): Update comment for [*].
10325 2006-05-18 Michael Matz <matz@suse.de>
10328 * config.host: Make assignments to host_xmake_file cumulative.
10329 * config.host (*-darwin*): Test $host, not $target.
10331 2006-05-12 Stuart Hastings <stuart@apple.com>
10333 * config/i386/i386.opt (-mstackrealign): New flag.
10334 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10335 (ix86_handle_cconv_attribute): Emit error when
10336 force_align_arg_pointer attribute collides with too many regparms.
10337 (ix86_function_regparm): Limit regparms when used with
10338 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10339 Support stack-realigning prologue in non-main functions. Emit
10340 warning for nested functions under -mstackrealign, emit error for
10341 nested functions with force_align_arg_pointer attribute.
10342 * doc/extend.texi (force_align_arg_pointer): Document it.
10343 * doc/invoke.texi (-mstackrealign): Document it.
10345 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10347 PR rtl-optimization/27477
10348 * combine.c (try_combine): Don't split a parallel consisting
10349 of two sets into two individual sets if both sets reference
10352 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10354 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10355 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10357 * doc/options.texi (VarExists): Updated.
10359 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10361 * unwind-dw2.c: Add declarations for uw_update_context and
10362 uw_frame_state_for.
10363 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10364 detected, advance frame state and context once to skip over stub.
10366 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10368 PR middle-end/20256
10369 PR middle-end/26435
10370 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10371 Call rewrite_into_loop_closed_ssa only when something changed.
10372 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10373 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10374 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10375 Test for perfect_nest_p here. Fix formating.
10376 (replace_uses_equiv_to_x_with_y): Fix formating.
10377 (stmt_uses_op): Removed.
10378 (can_convert_to_perfect_nest): Removed loopivs parameter.
10379 Complete the test by checking the scalar dependences.
10380 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10383 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10386 From Dan Kegel <dank@kegel.com>:
10387 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10389 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10391 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10392 if the element type is variably modified without recursing.
10394 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10396 PR middle-end/27332
10397 * tree-loop-linear.c (try_interchange_loops): Test for
10398 no data dependences.
10400 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10402 PR tree-optimization/27548
10403 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10404 range of ssa names that appear on abnormal edges.
10405 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10406 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10408 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10410 PR middle-end/27620
10411 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10413 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10415 PR middle-end/27415
10416 * tree.h (OMP_PARALLEL_COMBINED): Define.
10417 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10418 (new_omp_context): Add is_combined_parallel argument.
10419 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10420 new_omp_context caller.
10421 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10422 Adjust gimplify_scan_omp_clauses callers.
10423 (omp_is_private): Issue errors if iteration variable is firstprivate
10424 or reduction in the current context.
10425 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10426 on combined parallel workshare constructs.
10428 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10430 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10431 (gcc-options.o): New rule.
10433 * optc-gen.awk: Protect variables for gcc-options.o with
10434 #ifdef GCC_DRIVER/#endif.
10436 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10438 Fix PR tree-optimization/27373
10439 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10440 (forward_propagate_addr_expr): Update call.
10442 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10444 * doc/options.texi: Move the Negative option.
10446 2006-05-16 Richard Guenther <rguenther@suse.de>
10448 PR tree-optimization/22303
10449 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10451 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10452 ccp_fold did not simplify the statement.
10454 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10457 * Makefile.in (GCC_OBJS): New.
10458 (OBJS-common): Add opts-common.o.
10459 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10460 (cpp$(exeext)): Likewise.
10461 (gcc.o): Also depend on opts.h.
10462 (opts-common.o): New.
10464 * common.opt (gcoff): Add Negative(gdwarf-2).
10465 (gdwarf-2): Add Negative(gstabs).
10466 (gstabs): Add Negative(gstabs+).
10467 (gstabs+): Add Negative(gvms).
10468 (gvms): Add Negative(gxcoff).
10469 (gxcoff): Add Negative(gxcoff+).
10470 (gxcoff+): Add Negative(gcoff).
10471 * config/i386/i386.opt (m32): Add Negative(m64).
10472 (m64): Add Negative(m32).
10474 * doc/options.texi: Document the Negative option.
10476 * gcc.c: Include "opts.h".
10477 (main): Call prune_options after expandargv.
10479 * optc-gen.awk: Generate common declarations for all flag
10480 variables in options.c. Output the neg_index field.
10482 * opts.c (find_opt): Moved to ...
10483 * opts-common.c: Here. New file.
10485 * opts.h (cl_option): Add a neg_index field.
10487 (prune_options): Likewise.
10489 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10491 PR middle-end/27573
10492 * omp-low.c (expand_omp_parallel): Don't assert
10493 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10494 instead search for it.
10497 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10500 2006-05-16 Andreas Schwab <schwab@suse.de>
10502 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10505 2006-05-15 Roger Sayle <roger@eyesopen.com>
10508 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10509 integer constants other than zero are only legitimate on TARGET_64BIT.
10510 <CONST_VECTOR> Only zero vectors are legitimate.
10511 (ix86_cannot_force_const_mem): Integral and vector constants can
10512 always be put in the constant pool.
10514 2006-05-16 DJ Delorie <dj@redhat.com>
10516 * crtstuff.c (__dso_handle): Set section from
10517 TARGET_LBIGCC_SDATA_SECTION if defined.
10518 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10519 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10521 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10524 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10527 2006-05-16 Ben Elliston <bje@au.ibm.com>
10529 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10531 2006-05-15 Per Bothner <per@bothner.com>
10533 * tree.c: (last_annotated_node): Use source_locus typedef.
10534 This permits bootstrapping with --enable-mapped-location.
10536 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10538 PR tree-optimization/26830
10539 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10540 (info_for_ssa_name, current_info_for_ssa_name_age,
10541 blocks_to_update): New variables.
10542 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10543 (clear_ssa_name_info, initialize_flags_in_bb,
10544 mark_block_for_update): New functions.
10545 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10546 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10547 prepare_def_site_for): Use mark_block_for_update.
10548 (mark_def_interesting): Assert that the processed block is marked in
10549 blocks_to_update. Do not take blocks argument.
10550 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10552 (rewrite_update_init_block, rewrite_update_stmt): Only process
10553 blocks with statements to rewrite.
10554 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10555 (update_ssa): Initialize and free blocks_to_update. Do not
10556 clear flags on statements. Do not use blocks bitmap.
10557 * tree.h (SSA_NAME_AUX): Removed.
10558 (struct tree_ssa_name): Removed aux field.
10559 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10561 2006-05-15 Richard Guenther <rguenther@suse.de>
10563 PR tree-optimization/27603
10564 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10565 Do computations in original type.
10567 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10569 * see.c: Code style changes such as redundant paranthesis,
10570 redundant intialization of local variables etc.
10571 (see_main): Declared now as static.
10572 * doc/invoke.texi: Update that -fsee is not enabled by
10575 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10577 * omp-low.c (check_omp_nesting_restrictions): New function.
10578 (scan_omp_1): Call it.
10580 PR middle-end/27416
10581 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10582 construct, return *VAR.
10584 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10586 PR rtl-optimization/27406
10587 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10590 2006-05-14 Roger Sayle <roger@eyesopen.com>
10592 PR rtl-optimization/27538
10593 * combine.c (expand_compound_operation): Call gen_lowpart
10594 before calling simplify_shift_const.
10596 2006-05-14 Roger Sayle <roger@eyesopen.com>
10598 PR rtl-optimization/22563
10599 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10600 a fixed width bitfield, always force the intermediates into psuedos.
10602 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10605 * mkconfig.sh: Use operator = instead of == for test.
10607 2006-05-13 Nick Clifton <nickc@redhat.com>
10609 * dwarf2out.c (dbx_reg_number): Check return value from
10610 LEAF_REG_REMAP and only use it if it is valid.
10611 (multiple_reg_loc_descriptor): Likewise.
10613 2006-05-13 Richard Guenther <rguenther@suse.de>
10615 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10618 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10620 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10621 information attached to non-INSNs such as NOTEs.
10622 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10624 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10626 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10628 * config/s390/s390.md: Adjust comment describing On constraint.
10630 2006-05-11 Jan Hubicka <jh@suse.cz>
10632 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10633 to be output at -O0.
10635 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10637 PR middle-end/27384
10638 * fold-const.c (size_binop): Move sanity check for arguments to
10639 the beginning of the function.
10641 PR middle-end/27488
10642 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10645 2006-05-11 Richard Guenther <rguenther@suse.de>
10647 PR middle-end/27529
10648 * fold-const.c (fold_unary): Handle intermediate conversion
10649 to a pointer type like intermediate conversion to an integer
10650 type in folding of (T1)(T2)var to var.
10651 Match the code to the comment in the final conversion for
10652 (T1)(T2)var to (T1)var regarding to type precision. Rather
10653 than disallow T1 being of pointer type, assert that both T1
10654 and var are of pointer type or not. Make sure not to fall
10655 over the frontends lazyness wrt array to pointer decay though.
10657 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10659 * arm.c (arm_struct_value_rtx): Delete.
10660 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10661 (arm_init_cumulative_args): Always initialize nregs to zero.
10663 2006-05-10 Richard Guenther <rguenther@suse.de>
10665 PR tree-optimization/27532
10666 * tree-object-size.c (plus_expr_object_size): Fix typo.
10668 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10671 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10672 ashrdi_const, ashrdi3): Use a scratch register.
10674 2006-05-10 Richard Guenther <rguenther@suse.de>
10676 PR tree-optimization/27302
10677 * fold-const.c (operand_equal_p): For two comparisons,
10678 try comparison of one comparison code swapped if that yields
10681 2006-05-10 Ben Elliston <bje@au.ibm.com>
10683 * tree-pretty-print.c (pretty_print_string): No need to handle
10684 '\0' as a special character.
10686 * tree.h: Include "hashtab.h".
10687 (iterative_hash_expr): Use hashval_t in its prototype.
10688 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10690 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10693 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10694 (hppa*64*-*-hpux11*): Ditto.
10695 (hppa[12]*-*-hpux11*): Ditto.
10697 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10700 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10702 2006-05-09 Michael Matz <matz@suse.de>
10704 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10705 host_extra_gcc_objs and host_xmake_file.
10706 (<*-*-linux*>): Don't overwrite host_xmake_file.
10707 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10708 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10709 (host_detect_local_cpu): Declare.
10710 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10711 * config/i386/i386.c (override_options): Handle -mtune=native
10713 * config/i386/x-i386: New file.
10714 * config/i386/driver-i386.c: New file.
10715 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10718 2006-05-09 Dirk Mueller <dmueller@suse.de>
10719 Richard Guenther <rguenther@suse.de>
10721 PR middle-end/27498
10722 * fold-const.c (fold_read_from_constant_string): Relax check
10723 for matching types to matching modes.
10725 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10727 PR rtl-optimization/27335
10728 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10731 2006-05-08 Chao-ying Fu <fu@mips.com>
10732 Richard Sandiford <richard@codesourcery.com>
10734 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10735 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10736 * config/mips/mips.md (UNSPEC_SCC): New constant.
10737 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10738 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10739 (mips_emit_compare): Use it.
10740 (mips_expand_vcondv2sf): New function.
10742 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10744 Fix PR tree-optimization/27093
10745 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10746 renaming when they become not-used_alone.
10748 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10750 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10751 relocation and relocation stubs.
10753 2006-05-08 Eric Christopher <echristo@apple.com>
10755 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10758 2006-05-08 Jan Hubicka <jh@suse.cz>
10760 PR middle-end/24561
10761 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10762 unused static functions are needed.
10764 2006-05-08 Roger Sayle <roger@eyesopen.com>
10767 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10768 of a reg_equiv_constant if the result is a legitimate constant.
10770 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10773 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10774 standard 80387 constants, raise the cost to prevent
10775 compress_float_constant() to generate load from memory.
10777 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10779 * config/arm/constraints.md (c): Fix a typo.
10781 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10784 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10787 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10789 (_mm_mwait): Likewise.
10791 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10793 (sse3_monitor): Make it 32bit only.
10794 (sse3_monitor64): New. 64bit monitor.
10796 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10799 * config/i386/i386.c (classify_argument): Skip fields with invalid
10802 2006-05-07 Richard Guenther <rguenther@suse.de>
10804 PR tree-optimization/27409
10805 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10806 Do not try to find zero-sized subvars.
10808 2006-05-07 Richard Guenther <rguenther@suse.de>
10810 PR tree-optimization/27136
10811 * tree-ssa-loop-niter.c (get_val_for): Correct function
10812 comment, assert requirements.
10813 (loop_niter_by_eval): Stop processing if the iterated
10814 value did not simplify.
10816 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10818 * opts.c (flag_see): remove its setting at -O3.
10820 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10822 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10823 * arm/constraints.md: New file.
10824 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10825 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10826 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10827 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10828 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10829 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10830 * arm.md: Include constraints.md.
10831 (thumb_movsi_insn): Use satisfies_constraint_J.
10832 (movhi, movqi): Use satisfies_constraint_I.
10834 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10836 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10837 for atmeg a645 device.
10839 2006-05-06 Richard Guenther <rguenther@suse.de>
10841 PR tree-optimization/27151
10842 * tree-vect-transform.c (vectorizable_condition): Punt on
10843 values that have a different type than the condition.
10845 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10848 * c-parser.c (c_parser_cast_expression): Only insert casts into
10849 hash table if pointer.
10850 * function.c (used_types_insert_helper): Rename from
10852 (used_types_insert): Call used_types_insert_helper.
10853 * function.h (used_types_insert): Accept only one argument.
10855 2006-05-05 David Edelsohn <edesohn@gnu.org>
10857 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10858 scratch with output modifier.
10860 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10863 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10864 with output modifier.
10866 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10869 * config/mips/mips.c (mips_symbolic_address_p): Return true
10870 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10871 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10873 2006-05-04 Richard Guenther <rguenther@suse.de>
10875 PR tree-optimization/14287
10876 PR tree-optimization/14844
10877 PR tree-optimization/19792
10878 PR tree-optimization/21608
10879 PR tree-optimization/27090
10880 * tree-ssa-pre.c (try_combine_conversion): New function.
10881 (compute_avail): After constructing the value-handle
10882 expression, use try_combine_conversion to combine NOP_EXPRs
10883 with previous value-handle expressions and use the result if it
10886 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10888 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10890 2006-05-04 Jan Hubicka <jh@suse.cz>
10892 PR middle-end/25962
10893 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10895 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10897 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10898 that this only matches CONST_INTs. All users changed to VOIDmode
10901 * config/bfin/bfin.c: Include "optabs.h".
10902 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10904 (enum bfin_builtins): Add a number of fractional and vector builtins.
10905 (bfin_init_builtins): Likewise.
10906 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10907 (safe_vector_operand, bfin_expand_binop_builtin,
10908 bfin_expand_unop_builtin): New functions.
10909 (bfin_expand_builtin): Handle the new builtins.
10910 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10913 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10916 * Makefile.in (OBJS-common): Add see.o.
10917 (see.o): Add dependencies.
10918 * common.opt (fsee): New flag for the see optimization was added.
10919 * opts.c (flag_see): Initialized.
10920 * passes.c (init_optimization_passes, pass_see): New pass.
10921 * rtl.h (see_main): Declaration as extern.
10922 * timevar.def (TV_SEE): New.
10923 * tree-pass.h (pass_see): Declaration as extern.
10924 * invoke.texi (-fsee): Document.
10925 * recog.c (validate_simplify_insn): New function.
10926 * recog.h (validate_simplify_insn): Declaration as extern.
10927 * df-problems.c (df_chain_dump): Check for NULL.
10929 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10930 Daniel Berlin <dberlin@dberlin.org>
10932 * cfgrtl.c (insert_insn_bb_end_new): New function.
10933 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10935 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10937 * df.h (struct web_entry): Moved from web.c.
10938 (union_defs): Declaration as extern.
10939 (unionfind_root): Likewise.
10940 (unionfind_union): Likewise.
10941 * web.c (struct web_entry): Moved to df.h.
10942 (unionfind_root): Remove static declaration.
10943 (unionfind_union): Likewise.
10944 (union_defs): Likewise and generalize to use callback function.
10945 (web_main): Update arguments for union_defs function call.
10947 2006-05-04 Richard Guenther <rguenther@suse.de>
10949 PR tree-optimization/26447
10950 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10951 produce SSA_NAME copies before the store stmt to avoid
10952 breaking exception handling.
10954 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10956 PR middle-end/27388
10957 * gimplify.c (omp_is_private): If var is shared in some outer context,
10958 return false instead of true. Stop searching on parallel context
10961 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
10964 * coverage.c: Use get_gcov_unsigned_t() instead of
10965 unsigned_type_node all over.
10967 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10969 PR tree-optimization/27381
10970 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10971 maintain the same immediate_use links.
10972 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10973 node rather than segfaulting.
10975 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10978 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10979 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10980 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10982 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10984 Fix PR tree-optimization/26626
10985 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10987 * tree-ssa-operands.c (access_can_touch_variable): Allow
10988 typecasting through union pointers.
10990 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10993 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10994 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10995 to find if var will be a global variable even in the nested context.
10996 (omp_copy_decl): Only check for global variable at the end, it might
10997 be overridden in outer contexts.
10998 (scan_sharing_clauses): For global variables don't create a field.
10999 (lower_rec_input_clauses): Do nothing for global shared variables.
11000 Emit a barrier at the end of ILIST if there were any decls in both
11001 firstprivate and lastprivate clauses.
11002 (lower_send_clauses): Do nothing for global variables except for
11005 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11007 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11008 of the correct signedness is returned.
11010 2006-05-02 Jeff Law <law@redhat.com>
11012 PR tree-optimization/27364
11013 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11014 multiply expressions.
11016 2006-05-02 Tom Tromey <tromey@redhat.com>
11018 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11020 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11023 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11024 -mthumb -fPIC are used.
11026 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11027 Joshua Kinard <kumba@gentoo.org>
11030 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11031 with 64-bit pointers.
11033 2006-05-02 Paul Brook <paul@codesourcery.com>
11035 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11037 (create_fix_barrier): Check that a suitable barrier location is
11039 (arm_reorg): Include ftmp->address in allowable range of addresses.
11041 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11044 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11047 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11049 PR middle-end/27337
11050 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11051 around RESULT_DECL for result passed by reference.
11052 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11053 * omp-low.c (use_pointer_for_field): Don't look at
11054 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11055 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11056 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11057 time or var for passing by reference for
11058 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11059 TREE_ADDRESSABLE variables when passing by reference.
11061 * omp-low.c (dump_omp_region): Fix output formatting.
11063 PR middle-end/27328
11064 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11065 (expand_omp_parallel): Likewise.
11066 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11068 PR middle-end/27325
11069 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11070 on statement list containing also constructors and destructors.
11071 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11073 PR middle-end/27310
11074 * except.c (duplicate_eh_regions): Fix clearing of
11075 cfun->eh->region_array entries.
11077 2006-05-01 DJ Delorie <dj@redhat.com>
11079 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11081 (gcc_cv_objdump): Likewise.
11082 * configure: Regenerated.
11084 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11087 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11088 templates for case 3 and 4.
11090 2006-05-01 DJ Delorie <dj@redhat.com>
11092 * vec.c: Include bconfig.h when appropriate.
11093 * Makefile.in (build/vec.o): Adjust dependencies.
11094 * mkconfig.sh: Make sure config.h isn't used for build machine
11097 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11099 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11101 (mark_phi_for_rewrite): New function.
11102 (insert_phi_nodes_for, mark_use_interesting): Call
11103 mark_phi_for_rewrite.
11104 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11105 (update_ssa): Initialize and free phis_to_rewrite.
11107 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11109 PR rtl-optimization/27291
11110 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11111 folded to a constant.
11113 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11115 PR tree-optimization/27283
11116 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11117 not whole # of iteration descriptions.
11118 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11119 uses abnormal ssa name.
11120 (niter_for_single_dom_exit): Ditto.
11121 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11122 return just the number of iterations.
11124 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11126 PR tree-optimization/27144
11127 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11128 (record_estimate): Only record constant upper bound.
11129 (infer_loop_bounds_from_undefined): Call
11130 compute_estimated_nb_iterations just once.
11131 (proved_non_wrapping_p): Renamed to ...
11132 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11133 (convert_step_widening, scev_probably_wraps_p): Call
11134 n_of_executions_at_most instead of proved_non_wrapping_p.
11135 (substitute_in_loop_info): Do not replace values in bounds.
11136 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11139 2006-05-01 Richard Henderson <rth@redhat.com>
11142 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11143 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11146 2006-05-01 Roger Sayle <roger@eyesopen.com>
11148 * c-typeck.c (parser_build_binary_op): Don't call the function
11149 unsigned_conversion_warning to spot operand/result type overflow.
11150 (build_binary_op): Instead, call convert_and_check instead of
11151 convert to report the problem when the operands are promoted.
11152 * c-common.c (unsigned_conversion_warning): Make static.
11153 * c-common.h (unsigned_conversion_warning): Delete prototype.
11155 2006-05-01 Richard Guenther <rguenther@suse.de>
11157 PR tree-optimization/26726
11158 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11160 (find_interesting_uses_address): ... we work around here
11161 by folding INDIRECT_REFs in the substituted base.
11163 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11165 * omp-low.c (dump_omp_region): Add newlines.
11167 2006-04-30 Roger Sayle <roger@eyesopen.com>
11169 * common.opt (Woverflow): New command line option.
11170 * c-common.c (constant_expression_warning): Check warn_overflow.
11171 (overflow_waring): Pass OPT_Woverflow to warning.
11172 (unsigned_conversion_warning): Likewise.
11173 (convert_and_check): Likewise.
11174 * doc/invoke.texi: Document new command line option.
11176 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11178 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11179 TARGET_NO_FP_IN_TOC for section anchors.
11180 (optimization_options): Enable section anchors for all
11181 non-"Objective" languages.
11183 2006-04-28 Eric Christopher <echristo@apple.com>
11185 * config/darwin-c.c (darwin_ms_struct): Move this
11186 (darwin_set_default_type_attributes): and this...
11187 * config/darwin.c: ... here.
11188 * config/darwin.h (darwin_ms_struct): Declare.
11190 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11192 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11194 2006-04-28 Roger Sayle <roger@eyesopen.com>
11197 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11198 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11199 an unsigned HOST_WIDE_INT.
11200 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11202 (really_start_incremental_init): No need to call convert because
11203 bitsize_zero_node is already of type bitsizetype.
11204 (push_init_level): Extract the value of constructor_index as an
11205 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11206 (process_init_element): Likewise.
11208 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11210 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11211 value before passing to make_relative_prefix.
11213 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11215 PR middle-end/27260
11216 * builtins.c (expand_builtin_memset): Expand val in original mode.
11218 2006-04-27 Eric Christopher <echristo@apple.com>
11220 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11221 with #ifndef/#endif.
11222 * config/darwin-c.c (darwin_ms_struct): New.
11223 (darwin_pragma_ms_struct): Ditto.
11224 (darwin_set_default_type_attributes): Ditto.
11225 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11226 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11227 Register ms_struct pragma.
11228 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11229 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11230 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11231 darwin_set_default_type_attributes if TARGET_MACHO.
11233 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11235 PR tree-optimization/26854
11236 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11237 * doc/tree-ssa.texi: Update immuse iterator documentation.
11238 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11239 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11240 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11241 first_safe_imm_use, next_safe_imm_use): Remove.
11242 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11243 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11244 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11245 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11246 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11247 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11248 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11249 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11250 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11251 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11252 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11253 (perfect_nestify): Use new iterator.
11254 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11256 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11257 (next_imm_name): New field in struct immediate_use_iterator_d.
11258 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11259 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11260 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11261 * tree-cfg.c (replace_uses_by): Use new iterator.
11262 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11263 * tree-ssa-operands.c (correct_use_link): Remove.
11264 (finalize_ssa_use_ops): No longer call correct_use_link.
11266 2006-04-27 Stuart Hastings <stuart@apple.com>
11268 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11269 * config/t-darwin (crt3.o): Use it.
11270 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11271 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11272 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11273 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11274 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11277 2006-04-27 Roger Sayle <roger@eyesopen.com>
11279 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11280 size, force the intermediate into a new pseudo rather instead of
11281 performing both a bitwise AND and a bitwise IOR in memory.
11283 2006-04-27 Richard Guenther <rguenther@suse.de>
11285 PR rtl-optimization/26685
11286 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11287 this one "max-flow-memory-locations".
11289 2006-04-27 Richard Guenther <rguenther@suse.de>
11291 PR tree-optimization/25148
11292 * tree-vrp.c (compare_values): Remove code dealing with
11293 comparisons against type min/max value. Honour overflow
11294 and negative constants in code dealing with comparisons
11295 of plus and minus expressions.
11296 (value_inside_range): Use fold_binary with LE_EXPR and
11297 GE_EXPR rather than compare_values.
11299 2006-04-27 Dirk Mueller <dmueller@suse.de>
11301 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11304 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11306 * basic-block.h (safe_insert_insn_on_edge): Removed.
11307 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11309 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11310 Paolo Bonzini <bonzini@gnu.org>
11312 PR middle-end/27282
11313 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11314 (simplify_and_const_int): Same.
11316 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11318 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11320 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11323 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11324 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11325 cgraph_global_info_ready.
11327 PR middle-end/26913
11328 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11331 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11332 either decl or init is error_mark_node.
11334 PR middle-end/25989
11335 * tree-flow.h (struct omp_region): Add sched_kind.
11336 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11337 instead of extracting omp for data.
11338 (expand_omp_for): Save extracted sched_kind.
11340 2006-04-25 Roger Sayle <roger@eyesopen.com>
11342 * expmed.c (store_bit_field): Also check whether the bitsize is
11343 valid for the machine's "insv" instruction before moving the
11344 target into a pseudo for use with the insv.
11345 * config/i386/predicates.md (const8_operand): New predicate.
11346 * config/i386/i386.md (extv, extzv, insv): Use the new
11347 const8_operand predicate where appropriate.
11349 2006-04-25 DJ Delorie <dj@redhat.com>
11351 * doc/install.texi (Specific): Clarify that this is not a list of
11352 supported hosts or targets.
11354 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11356 PR rtl-optimization/26725
11357 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11358 block's BB_DIRTY flag.
11360 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11362 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11365 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11366 to print an integer.
11368 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11370 * varasm.c (align_variable): New function.
11371 (get_block_for_decl): Apply align_variable to DECL before
11372 calculating section information.
11373 (assemble_variable): Split out alignment computation.
11375 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11377 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11380 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11382 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11383 MODE_PARTIAL_INT mode.
11384 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11385 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11387 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11388 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11390 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11392 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11394 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11395 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11396 MACFLAG_IH): Likewise.
11397 (movstricthi_1): Renamed from "*movstricthi".
11398 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11399 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11400 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11401 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11402 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11403 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11404 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11405 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11406 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11407 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11408 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11409 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11410 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11411 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11412 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11414 * doc/rtl.texi (ss_ashift): Improve wording.
11416 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11418 * dwarf2out.c (verify_marks_clear): New.
11419 (prune_unused_types): Call verify_marks_clear initially, not
11422 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11424 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11425 * doc/rtl.texi: Document them.
11426 * simplify-rtx.c (simplify_unary_operation,
11427 simplify_binary_operation_1): Don't abort when we see them.
11429 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11432 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11433 * configure.ac: Completely disregard languages that are not
11435 * configure: Regenerated.
11437 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11438 Richard Guenther <rguenther@suse.de>
11440 PR tree-optimization/27236
11441 * tree-inline.c (copy_body_r): Make sure to copy
11442 TREE_THIS_VOLATILE flag.
11444 2006-04-24 Richard Guenther <rguenther@suse.de>
11446 PR middle-end/26869
11447 * tree-complex.c (update_parameter_components): Don't handle
11448 unused parameters which have no default def.
11450 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11451 Richard Guenther <rguenther@suse.de>
11453 PR tree-optimization/27218
11454 * tree-inline.c (expand_call_inline): Strip useless type
11455 conversions for the return slot address.
11457 2006-04-24 Richard Guenther <rguenther@suse.de>
11459 * cfgloop.h (struct loops): Remove unused field array. Reorder
11461 (LOOP_PREFETCH): Remove.
11463 2006-04-24 Richard Guenther <rguenther@suse.de>
11465 PR tree-optimization/22525
11466 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11467 variable, adjust types of generated expressions.
11469 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11471 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11472 (tree-vect-patterns.o): Likewise.
11473 (jump.o): Likewise.
11474 (cselib.o): Likewise.
11475 (loop-doloop.o): Likewise.
11476 (regclass.o): Likewise.
11477 (reload1.o): Likewise.
11478 (explow.o): Replace target.h with $(TARGET_H).
11479 (ipa-prop.o): Likewise.
11480 (ipa-cp.o): Likewise.
11481 (ipa-inline.o): Likewise.
11482 (reorg.o): Likewise.
11483 (reg-stack.o): Likewise.
11485 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11487 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11489 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11491 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11493 * configure.ac: Completely disregard languages that are not
11495 * configure: Regenerated.
11498 * c-common.h (c_build_bitfield_integer_type): Declare.
11499 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11500 * c-common.c (c_build_bitfield_integer_type): ... here.
11502 2006-04-23 Roger Sayle <roger@eyesopen.com>
11505 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11506 a SImode SUBREG of a floating point register after no_new_pseudos.
11508 2006-04-23 Roger Sayle <roger@eyesopen.com>
11510 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11511 identify potentially eliminable registers to additionally catch
11512 VIRTUAL_INCOMING_ARGS_REGNUM.
11513 (addsi3): Update the conditions on when to use addsi_small_int.
11515 2006-04-23 Roger Sayle <roger@eyesopen.com>
11518 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11519 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11520 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11522 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11524 * fold-const.c (range_predecessor): Use operand_equal_p
11525 as the predicate for equality.
11526 (range_successor): Likewise.
11528 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11531 * config/soft-fp/op-common.h: Fix a typo.
11533 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11535 PR libmudflap/26864
11536 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11537 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11539 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11541 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11543 * doc/tm.texi: Fix a typo.
11545 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11547 * dwarf2out.c (struct die_struct): Document that die_sib makes
11548 a circular linked list.
11549 (FOR_EACH_CHILD): New.
11550 (reverse_die_lists): Delete.
11551 (reverse_all_dies): Delete.
11552 (add_dwarf_attr): Correct documentation.
11553 (remove_child_with_prev): New.
11554 (remove_child_TAG): Update for change to die_struct, use
11555 remove_child_with_prev.
11556 (add_child_die): Update for change to die_struct.
11557 (splice_child_die): Use remove_child_with_prev and add_child_die.
11558 (print_die): Use FOR_EACH_CHILD.
11559 (die_checksum): Likewise.
11560 (assign_symbol_names): Likewise.
11561 (output_location_lists): Likewise.
11562 (build_abbrev_table): Likewise.
11563 (calc_die_sizes): Likewise.
11564 (mark_dies): Likewise.
11565 (unmark_dies): Likewise.
11566 (unmark_all_dies): Likewise.
11567 (output_die): Likewise.
11568 (prune_unused_types_mark): Likewise.
11569 (prune_unused_types_walk): Likewise.
11570 (same_die_p): Update for change to die_struct.
11571 (break_out_includes): Likewise.
11572 (prune_unused_types_prune): Likewise.
11573 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11574 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11575 it's already clear.
11576 (dwarf2out_finish): Don't call reverse_all_dies.
11578 2006-04-21 Eric Christopher <echristo@apple.com>
11580 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11581 in comments and function names.
11583 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11586 * c-typeck.c (digest_init): Robustify.
11588 * c-typeck.c (pop_init_level): Simplify.
11590 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11592 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11594 2006-04-21 Paul Brook <paul@codesourcery.com>
11596 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11597 hardware floating point.
11599 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11601 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11604 2006-04-21 Nick Clifton <nickc@redhat.com>
11606 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11609 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11612 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11613 C++ lang type in traceback table for Objective-C++.
11615 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11617 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11619 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11621 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11624 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11625 were errors. Remove check for erroneous objects.
11627 2006-04-20 Jeff Law <law@redhat.com>
11629 PR tree-optimization/26854
11630 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11631 checking for zero or one use.
11632 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11633 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11634 * tree-ssa-reassoc.c (negate_value): Similarly.
11635 (reassociate_bb): Similarly.
11637 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11639 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11640 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11641 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11643 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11645 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11646 fp regs if the last fp arg doesn't fit in regs.
11648 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11651 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11652 that the last insn has the REG_INC note.
11654 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11655 Nathan Sidwell <nathan@codesourcery.com>
11658 * stor-layout.c (update_alignment_for_field): Do not align
11660 (place_union_field): Place union field at the start of the union.
11661 (place_field): Move ERROR_MARK check later, and use the current
11662 allocation position to maintain monotonicity.
11664 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11666 * dominance.c: Include timevar.h.
11667 (calculate_dominance_info): Use TV_DOMINANCE.
11668 * timevar.def (TV_DOMINANCE): New timevar.
11669 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11671 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11673 PR rtl-optimization/14261
11674 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11675 move would be an INSV insn.
11676 (noce_process_if_block): Don't optimize if the destination is a
11677 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11679 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11681 * config/s390/s390.md: Add comments with the instructions emitted
11682 by an insn pattern if macros are used.
11684 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11686 PR rtl-optimization/26026
11687 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11688 is a known power of two shifted left a variable amount.
11690 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11692 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11693 to hash table twice when the debug_str section has SECTION_MERGE.
11695 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11697 * config/soft-fp: New directory. From glibc.
11698 * config/soft-fp/t-softfp: New.
11699 * config/soft-fp/README: New.
11700 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11701 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11702 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11703 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11704 * config.gcc: Use rs6000/t-fprules-fpbit or
11705 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11707 * config/rs6000/sfp-machine.h: New. Based on glibc.
11708 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11710 * config/rs6000/t-fprules: Remove fp-bit rules.
11711 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11712 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11713 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11714 (softfp_wrap_start, softfp_wrap_end): New.
11716 2006-04-18 DJ Delorie <dj@redhat.com>
11718 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11720 2006-04-18 Devang Patel <dpatel@apple.com>
11722 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11724 2006-04-18 Nick Clifton <nickc@redhat.com>
11726 * config/sh/t-symbian: Add rule to build sh-c.o
11727 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11728 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11729 (sh_symbian_encode_section_info): Likewise.
11731 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11733 * builtins.c (expand_builtin_strcmp): Cover label definition of
11734 do_libcall with HAVE_cmpstrnsi.
11736 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11738 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11740 * function.h (temp_slot_p): New.
11741 (function): Change the type of x_used_temp_slots to
11742 VEC(temp_slot_p,gc) *.
11744 2006-04-18 Nick Clifton <nickc@redhat.com>
11746 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11747 flag_strength_reduce.
11749 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11751 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11755 Partial revert of revision 112637
11756 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11757 Dale Johannesen <dalej@apple.com>
11760 * regclass.c (struct reg_pref): Update documentation.
11761 (regclass): Set prefclass to NO_REGS if memory is the best option.
11762 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11764 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11766 PR tree-optimization/26821
11767 * tree-ssa-math-opts.c (get_constant_one): New.
11768 (insert_reciprocals): Use it.
11770 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11772 * dwarf2out.c (free_AT): Delete.
11773 (remove_AT): Update string ref counts.
11774 (remove_child_TAG): Don't call free_die.
11775 (free_die): Delete.
11776 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11777 or DW_TAG_GNU_EINCL.
11778 (prune_unused_types_walk_attribs): Reset string refcounts.
11779 (prune_unused_types_update_strings): New.
11780 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11781 call free_die. Do call prune_unused_types_update_strings.
11782 (prune_unused_types): Empty debug_str_hash.
11784 2006-04-17 Roger Sayle <roger@eyesopen.com>
11786 * expr.c (expand_assignment): Optimize away no-op moves where the
11787 source and destination are equal and have no side-effects.
11789 2006-04-17 Richard Guenther <rguenther@suse.de>
11792 * reload.c (push_reload): Guard calls to get_secondary_mem
11793 for memory subregs.
11795 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11797 * alias.c (reg_base_value, old_reg_base_value): Change the
11798 type to VEC(rtx,gc) *.
11799 (REG_BASE_VALUE, find_base_value, record_set,
11800 init_alias_analysis): Use VEC instead of VARRAY.
11802 * alias.c (alias_sets): Change the type to
11803 VEC(alias_set_entry,gc) *.
11804 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11805 VEC instead of VARRAY.
11806 (last_alias_set): Remove.
11808 * cgraph.h (cgraph_edge_p): New.
11809 Update the prototype of cgraph_function_versioning.
11810 * cgraphunit.c (cgraph_copy_node_for_versioning,
11811 cgraph_function_versioning): Use VEC instead of VARRAY.
11812 * ipa-cp.c (ipcp_insert_stage): Likewise.
11814 2006-04-16 Roger Sayle <roger@eyesopen.com>
11817 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11818 "A op B" or "A op C", we may need to convert A to the type of B and C.
11820 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11822 * target.h (struct gcc_target): Add mode_rep_extended.
11823 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11824 (init_num_sign_bit_copies_in_rep): Initialize it using
11826 (truncate_to_mode): Use it.
11827 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11828 * targhooks.h (default_mode_rep_extended): Declare it.
11829 * targhooks.c (default_mode_rep_extended): Define it.
11830 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11831 default_mode_rep_extended.
11832 (TARGET_INITIALIZER): Include it.
11833 * doc/tm.texi (Misc): Document it.
11834 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11835 (mips_truncated_to_mode): New function.
11837 2006-04-16 Roger Sayle <roger@eyesopen.com>
11839 PR middle-end/25474
11840 * expr.c (compress_float_constant): Copy the narrow constant into
11841 a new pseudo before extending it to its final width.
11843 2006-04-16 Roger Sayle <roger@eyesopen.com>
11844 Andrew Pinski <pinskia@gcc.gnu.org>
11845 Dale Johannesen <dalej@apple.com>
11848 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11849 special case code to implement V8HImode and V16QImode with SSE2.
11851 2006-04-15 Roger Sayle <roger@eyesopen.com>
11853 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11854 trees are constructed with a suitable tree type.
11856 2006-04-15 Roger Sayle <roger@eyesopen.com>
11858 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11859 (integer_onep): Likewise.
11860 (integer_all_onesp): Likewise.
11861 (integer_pow2p): Likewise.
11862 (integer_nonzerop): Likewise.
11863 (real_zerop): Likewise.
11864 (real_onep): Likewise.
11865 (real_twop): Likewise.
11866 (real_minus_onep): Likewise.
11867 (int_size_in_bytes): Likewise.
11868 (host_integerp): Likewise.
11870 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11872 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11873 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11874 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11876 * tree-ssa-structalias.h (alias_info): Remove num_references.
11878 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11880 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11881 (output_bvb patterns): Likewise.
11882 * pa.c (output_bb): Use 'bb' insn for long branch case.
11883 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11884 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11885 1. Correct length operand for alternatives 1 and 2.
11886 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11887 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11889 2006-04-14 Roger Sayle <roger@eyesopen.com>
11891 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11892 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11893 were accidentally reverted by r112959.
11895 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11897 PR middle-end/26823
11898 * except.h (eh_region_outermost): New prototype.
11899 * except.c (eh_region_outermost): New function.
11900 * tree-cfg.c (find_outermost_region_in_block): Use it.
11902 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11904 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11906 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11907 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11908 (init_reload, reload): Use VEC instead of VARRAY.
11909 * reload.h: Update the prototype for
11910 reg_equiv_memory_loc_varray.
11912 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11913 Eric Botcazou <ebotcazou@libertysurf.fr>
11915 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11916 register save area.
11918 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11920 PR middle-end/27134
11921 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11922 to expand fallback builtin function call.
11924 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11926 PR middle-end/27095
11927 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11928 and emit libcall here in case the builtin fails.
11929 (expand_builtin_strcmp): Always emit the libcall here on failure.
11931 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11933 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11934 * flow.c (reg_n_info): Change the type to
11935 VEC(reg_info_p,heap) *.
11936 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11938 * regs.h (reg_info_p): New.
11939 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11940 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11941 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11944 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11946 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11948 * params.h (MAX_SCHED_READY_INSNS): New macro.
11949 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11950 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11951 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11952 the ready list for 1 cycle during the first scheduling pass.
11953 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11955 2006-04-13 Richard Henderson <rth@redhat.com>
11958 * gimple-low.c (lower_omp_directive): Remove dead code.
11959 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
11960 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
11961 * omp-low.c (struct omp_region): Move to tree-flow.h.
11962 (root_omp_region): Export.
11963 (omp_regions, lookup_omp_region): Remove.
11964 (determine_parallel_type): Update for struct omp_region changes.
11965 (dump_omp_region): Dump regions with block numbers.
11966 (new_omp_region): Take type and block instead of stmt; malloc
11968 (free_omp_region_1, free_omp_regions): New.
11969 (expand_parallel_call): Take entry_stmt as argument; update for
11970 changes to omp_region.
11971 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11972 (remove_exit_barriers): New.
11973 (expand_omp_parallel): Update for struct omp_region changes.
11974 (expand_omp_synch): Likewise.
11975 (expand_omp): Likewise.
11976 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11977 (expand_omp_for_static_chunk): Likewise.
11978 (expand_omp_for): Likewise.
11979 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11980 (expand_omp_sections): Similarly, with GOMP_sections_end.
11981 (expand_omp_single): New.
11982 (build_omp_regions_1): Update for OMP_CONTINUE.
11983 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
11984 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
11985 OMP_SECTIONS_SECTIONS.
11986 (lower_omp_single_simple): Don't emit barrier here.
11987 (lower_omp_single_copy): Likewise.
11988 (lower_omp_single): Fix bindings, and lower to straightline now.
11989 (lower_omp_master, lower_omp_ordered): Likewise.
11990 (lower_omp_critical): Likewise.
11991 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11992 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11993 omp edges, free it afterward.
11994 (make_omp_sections_edges): Remove.
11995 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11996 (move_stmt_r): Handle OMP_CONTINUE.
11997 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11998 statement pointers to basic blocks. Add type member.
11999 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12000 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12001 * tree-inline.c (estimate_num_insns_1): Likewise.
12002 * tree-pretty-print.c (dump_generic_node): Likewise.
12003 * tree-ssa-operands.c (get_expr_operands): Likewise.
12004 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12005 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12006 (OMP_CONTINUE): New.
12007 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12008 (OMP_SECTIONS_SECTIONS): Remove.
12009 (OMP_SECTION_LAST): New.
12010 (OMP_RETURN_NOWAIT): New.
12012 2006-04-13 Roger Sayle <roger@eyesopen.com>
12014 * fold-const.c (native_encode_vector, native_interpret_real):
12015 Correct obvious mistakes in the previous check-in.
12017 2006-04-13 Roger Sayle <roger@eyesopen.com>
12019 * fold-const.c (native_encode_expr): New function to encode
12020 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12021 or VECTOR_CST into a specified buffer.
12022 (native_encode_int): New function.
12023 (native_encode_real): New function.
12024 (native_encode_complex): New function.
12025 (native_encode_vector): New function.
12026 (native_interpret_expr): Inverse of native_encode_expr to convert
12027 a target representation into an INTEGER_CST, REAL_CST etc...
12028 (native_interpret_int): New function.
12029 (native_interpret_real): New function.
12030 (native_interpret_complex): New function.
12031 (native_interpret_vector): New function.
12032 (fold_view_convert_expr): New function to constant fold/evaluate
12033 a VIEW_CONVERT_EXPR of a suitable constant expression.
12034 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12035 Change call of build1 to fold_build1 when constructing a
12038 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12039 Ulrich Weigand <uweigand@de.ibm.com>
12042 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12045 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12048 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12049 optimize to lo_sum for DFmode if !TARGET_FPRS.
12051 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12053 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12054 delete_alias_info, compute_flow_sensitive_aliasing,
12055 group_aliases): Use VEC instead of VARRAY.
12056 * tree-ssa-structalias.c (update_alias_info): Likewise.
12057 * tree-ssa-structalias.h (alias_info): Change the type of
12058 processed_ptrs to VEC(tree,heap) *.
12060 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12063 * config/sh/lib1funcs.h: New file, broken out of:
12064 * config/sh/lib1funcs.asm.
12065 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12067 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12068 * config/sh/lib1funcs-Os-4-200.asm: New file.
12069 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12070 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12071 (EXTRA_MULTILIB_PARTS): Include it.
12072 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12073 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12074 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12075 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12078 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12080 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12081 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12082 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12084 * tree-ssa-live.h: Include vecprim.h.
12085 (tree_partition_associator_d): Change the type of
12086 first_partition to VEC(int,heap) *.
12087 (tpa_first_partition): Use VEC instead of VARRAY.
12089 * Makefile.in (GTFILES): Move functions.h after tree.h.
12090 * function.c (reset_block_changes, record_block_change,
12091 check_block_change, free_block_changes): Use VEC instead of
12093 * function.h (function): Change the type of
12094 ib_boundaries_block to VEC(tree,gc) *.
12095 * tree-inline.c (copy_cfg_body): Initialize
12096 ib_boundaries_block to NULL instead of (varray_type) 0.
12098 2006-04-12 Roger Sayle <roger@eyesopen.com>
12100 * expr.c (emit_group_store): Correct operand order in call to
12101 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12102 a SUBREG_BYTE of zero.
12104 2006-04-12 Richard Guenther <rguenther@suse.de>
12106 * profile.c (compute_branch_probabilities): Remove code
12107 encapsulated in !ir_type (), which are remanents of the
12108 removed RTL profiling code.
12109 * rtl-profile.c: Remove.
12111 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12113 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12114 magic NULL_RTX comment.
12115 (function_arg): Store entire fp arg to mem if any part should go
12117 (rs6000_arg_partial_bytes): Adjust for above change.
12119 2006-04-11 Roger Sayle <roger@eyesopen.com>
12121 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12122 if it hasn't been initialized by dwarf2out_init.
12124 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12126 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12127 symbolic constants in branch patterns.
12129 2006-04-11 Roger Sayle <roger@eyesopen.com>
12131 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12133 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12135 PR rtl-optimization/27073
12136 * gcse.c (try_replace_reg): Revert last change. Continue to search
12137 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12140 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12142 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12143 aggregate types other than record and union types.
12144 (function_arg): Likewise.
12145 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12147 (function_value): In 64-bit mode, return objects that require it
12150 2006-04-11 Roger Sayle <roger@eyesopen.com>
12152 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12154 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12156 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12158 2006-04-03 Jeff Law <law@redhat.com>
12161 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12162 alias information too.
12164 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12166 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12168 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12171 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12172 (premark_used_types_helper): New.
12173 (premark_used_types): New.
12174 (gen_subprogram_die): Call premark_used_types.
12175 (prune_unused_types_walk): Do not prune perennial dies.
12176 * function.c (used_types_insert): New.
12177 * function.h (struct function): Add used_types_hash field.
12178 (used_types_insert): Add prototype.
12179 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12180 * c-parser.c (c_parser_cast_expression): Save casted types in used
12183 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12186 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12187 rs6000_explicit_options.float_gprs.
12189 2006-04-10 Roger Sayle <roger@eyesopen.com>
12191 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12192 from ix86_expand_vector_init_low_nonzero. Take an additional
12193 one_var argument indicating which element is non-zero. Support
12194 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12195 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12196 with one_var instead of ix86_expand_vector_init_low_nonzero.
12198 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12200 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12201 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12202 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12203 build/genextract.o): Depend on vecprim.h.
12204 * cfglayout.c, df-problems.c, function.c, genextract.c,
12205 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12206 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12210 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12212 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12213 Declare VECs of this type.
12214 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12215 (remove_children): Delete.
12216 (add_dwarf_attr): Use VEC routines.
12217 (add_AT_flag): Update for changes to add_dwarf_attr.
12218 (add_AT_int): Likewise.
12219 (add_AT_unsigned): Likewise.
12220 (add_AT_long_long): Likewise.
12221 (add_AT_vec): Likewise.
12222 (add_AT_string): Likewise.
12223 (add_AT_die_ref): Likewise.
12224 (add_AT_fde_ref): Likewise.
12225 (add_AT_loc): Likewise.
12226 (add_AT_loc_list): Likewise.
12227 (add_AT_addr): Likewise.
12228 (add_AT_lbl_id): Likewise.
12229 (add_AT_lineptr): Likewise.
12230 (add_AT_macptr): Likewise.
12231 (add_AT_offset): Likewise.
12232 (add_AT_range_list): Likewise.
12233 (get_AT): Use VEC_iterate.
12234 (remove_AT): Use VEC_ordered_remove.
12235 (free_die): Fold remove_children into here; have it use VEC_iterate.
12236 (print_die): Use VEC_iterate on attrs.
12237 (reverse_die_lists): Don't reverse attr lists.
12238 (die_checksum): Use VEC_iterate on attrs.
12239 (same_die_p): Likewise.
12240 (output_location_lists): Likewise.
12241 (build_abbrev_table): Likewise.
12242 (size_of_die): Likewise.
12243 (unmark_all_dies): Likewise.
12244 (output_abbrev_section): Likewise.
12245 (output_die): Likewise.
12246 (prune_unused_types_walk_attribs): Likewise.
12248 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12250 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12252 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12255 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12257 2006-04-09 Roger Sayle <roger@eyesopen.com>
12259 * expr.c (store_constructor): Don't bother clearing target if
12260 we're about to assign a vector to it using vec_init_optab.
12262 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12264 * tree-ssa-alias.c (lhs_may_store_to): New function.
12265 (recalculate_used_alone): Handle LHS of calls.
12267 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12271 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12272 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12273 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12274 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12275 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12276 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12277 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12278 stubs. Add ".align 8" directives before all ".dword" directives.
12279 (GTHREAD_USE_WEAK): Revise comment.
12280 (TARGET_ATTRIBUTE_WEAK): Define.
12281 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12282 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12283 * stublib.c: New file.
12288 * pa.md (cbranch patterns): Revise arguments used in calls to
12289 output_cbranch, output_bb and output_bvd. Add long branch length
12291 (fbranch patterns): Handle long branches.
12292 (jump): Revise length check. Revise arguments for output_lbranch call.
12293 Add long branch length attributes.
12294 (decrement_and_branch_until_zero): Add long branch length attributes.
12295 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12296 Likewise. Revise arguments for output_parallel_addb and
12297 output_parallel_movb calls.
12298 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12299 output_parallel_movb and output_parallel_addb): Update prototypes.
12300 * pa.c (output_cbranch): Revise arguments. Correct handling of
12301 nullification in long branches.
12302 (output_lbranch): Add new argument to control extraction of delay
12304 (output_bb): Handle long branches.
12305 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12306 output_parallel_addb): Likewise.
12308 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12310 PR rtl-optimization/27073
12311 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12314 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12316 * tree.h (tree_memory_tag): Add old_used_alone.
12317 (SMT_OLD_USED_ALONE): New macro.
12318 * tree-ssa-alias.c (recalculate_used_alone): Stop
12319 marking things for renaming unnecessarily.
12321 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12323 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12324 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12325 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12326 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12327 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12328 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12329 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12330 spelling convensions.
12331 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12332 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12333 typos. Follow spelling conventions.
12335 2006-04-07 DJ Delorie <dj@redhat.com>
12337 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12338 passed on the stack.
12339 (m32c_init_cumulative_args): When a function returns a structure,
12340 always pass the pointer to that return area on the stack.
12341 (m32c_function_arg_advance): Don't increment the parameter number
12342 if we're processing the returned structure pointer.
12343 (pushm_info): Reverse order of registers.
12345 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12347 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12348 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12349 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12350 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12351 build_int_cst_type.
12352 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12353 chrec_fold_multiply): Same.
12354 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12355 force_expr_to_var_cost): Same.
12356 * tree-mudflap.c (mf_xform_derefs_1): Same.
12357 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12359 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12361 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12362 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12365 2006-04-07 Jan Hubicka <jh@suse.cz>
12367 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12369 2006-04-07 Richard Guenther <rguenther@suse.de>
12371 PR tree-optimization/26135
12372 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12373 loads for store copy-prop.
12374 (copy_prop_visit_stmt): Likewise.
12376 2006-04-05 Robert Millan <robertmh@gnu.org>
12378 * config/i386/linux.h: Add a comment to mark macros that are
12379 being overriden in config/k*bsd-gnu.h.
12380 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12382 * config/knetbsd-gnu.h: Ditto.
12384 2006-04-06 Jan Hubicka <jh@suse.cz>
12388 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12391 2006-04-06 Mike Stump <mrs@apple.com>
12393 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12394 for HAVE_nonlocal_goto to be consistent.
12395 (expand_builtin_nonlocal_goto): Likewise.
12396 (expand_builtin_strcmp): Use #ifdef instead of #if
12397 for HAVE_cmpstrnsi to be consistent.
12399 2006-04-05 DJ Delorie <dj@redhat.com>
12401 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12404 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12406 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12407 got-relative addressing for anything but SImode.
12409 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12410 even if the calling function doesn't modify them.
12412 2006-04-05 Richard Guenther <rguenther@suse.de>
12414 PR tree-optimization/26919
12415 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12416 to cgraph_estimate_size_after_inlining.
12418 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12420 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12422 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12424 PR tree-optimization/26996
12425 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12426 VECTOR_TYPE variables.
12428 2006-04-05 Richard Guenther <rguenther@suse.de>
12430 PR tree-optimization/26763
12431 * fold-const.c (fold_comparison): Move folding of
12432 PTR + CST CMP PTR + CST ...
12433 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12435 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12437 * doc/install.texi (Prerequisites): Refine some wording on
12438 bootstrapping and ksh.
12439 Move the version numbers of DejaGnu here from the testing section
12440 and fix casing of names.
12441 Fix markup and clarify wording for autogen requirements.
12442 Refer to GCJ instead of just java.
12443 Refer to SVN instead of CVS.
12444 Describe diffutils as useful instead of necessary.
12445 (Downloading the source): Refer to SVN instead of CVS.
12446 Adjust a link to our web site accordingly.
12447 (Configuration): Fix casing of Bison.
12448 (Building): Refer to SVN instead of CVS.
12449 Fix a sentence on the use of Bison and remove duplicate (and
12450 incorrect) version number of Bison requirement.
12451 Remove one redundant list of packages needed for building.
12452 (Specific): Avoid reference to CVS.
12454 2006-04-04 Eric Christopher <echristo@apple.com>
12456 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12457 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12458 (rs6000_handle_struct_attribute): New.
12459 (rs6000_ms_bitfield_layout_p): Ditto.
12461 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12463 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12464 NULL for dso parameter to atexit_common.
12466 2006-04-04 Eric Christopher <echristo@apple.com>
12468 * config/i386/i386.c (machopic_output_stub): Output \t
12469 between instructions and operands.
12471 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12473 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12474 satisfies_constraint_[IL] to explicit tests on value.
12476 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12478 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12479 set_nb_iterations_in_loop): Use build_int_cst instead of
12480 build_int_cst_type.
12481 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12482 build_int_cst instead of convert.
12484 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12486 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12487 new value 2 for incoming.
12488 * function.c (expand_function_start): Call struct_value_rtx
12489 with incoming as 2.
12490 * config/sparc/sparc.md: Comment updated_return.
12491 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12492 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12493 struct return if sparc_std_struct_return and incoming is 2.
12494 (print_operand): Do not adjust return if
12495 sparc_std_struct_return.
12497 2006-04-04 Roger Sayle <roger@eyesopen.com>
12499 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12500 convert in the middle-end.
12501 * expr.c (store_expr, store_constructor, get_inner_reference,
12502 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12504 * tree.c (build_range_type): Likewise.
12506 2006-04-04 Tom Tromey <tromey@redhat.com>
12508 * doc/install.texi (Prerequisites): Mention jar.
12510 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12512 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12515 2006-04-04 Matthias Klose <doko@debian.org>
12517 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12521 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12524 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12526 * doc/extend.texi (Function Attributes): Rewrite visibility
12527 attribute documentation.
12528 * doc/invoke.texi (C++ Dialect Options): Rewrite
12529 -fvisibility-inlines-hidden documentation to describe something
12530 entirely different, although in practise compatible.
12531 (Code Gen Options): Warn about system headers in -fvisibility=
12534 * doc/extend.texi (Other Builtins): Document that
12535 __builtin_nan is a compile-time constant only when its argument
12538 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12540 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12541 trying to remove TRUNCATE check if all bits outside the new mode
12542 are identical to the sign bit.
12544 2006-04-03 Jeff Law <law@redhat.com>
12546 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12547 and operand scanning in some common cases.
12549 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12550 Dale Johannesen <dalej@apple.com>
12553 * regclass.c (struct reg_pref): Update documentation.
12554 (regclass): Set prefclass to NO_REGS if memory is the best option.
12555 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12556 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12557 into account. For non-registers, equate an empty preferred
12558 reload class to a `!' in the constraint; move the if clause to
12559 do so after those that reject the insn.
12560 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12562 (find_dummy_reload): Likewise.
12563 * doc/tm.texi (Register Classes): Document what it means
12564 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12565 * config/i386/i386.c (ix86_preferred_reload_class): Force
12566 using SSE registers (and return NO_REGS for floating-point
12567 constants) if math is done with SSE.
12568 (ix86_preferred_output_reload_class): New.
12569 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12570 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12571 * config/i386/i386.md: Remove # register preferences.
12573 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12576 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12577 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12578 the type of nb_iter.
12579 (instantiate_parameters_1): Convert the operands before calling
12580 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12581 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12583 2006-04-02 Roger Sayle <roger@eyesopen.com>
12585 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12586 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12587 instead of convert.
12588 * dojump.c (do_jump): Likewise.
12589 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12590 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12591 gimplify_boolean_expr): Likewise.
12592 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12593 * varasm.c (array_size_for_constructor): Likewise.
12594 * tree-object-size.c (compute_object_offset): Likewise.
12596 2006-04-02 Roger Sayle <roger@eyesopen.com>
12598 PR middle-end/26977
12599 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12600 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12602 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12604 PR tree-optimization/26939
12605 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12607 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12609 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12610 at_stmt. Convert the type of operands before calling
12611 build_polynomial_chrec.
12612 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12613 add_to_evolution_1.
12614 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12615 (instantiate_parameters_1): Convert the type of operands before calling
12616 build_polynomial_chrec.
12617 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12618 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12619 reset_evolution_in_loop): Insert asserts to check the types of the
12621 (chrec_type): Moved...
12622 (eq_evolutions_p): Use operand_equal_p.
12623 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12624 the types of the operands.
12625 (chrec_type): ...here.
12626 * tree-data-ref.c (create_data_ref): Convert the operands before
12627 calling chrec_replace_initial_condition.
12628 (same_access_functions, analyze_subscript_affine_affine,
12629 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12630 (compute_subscript_distance, analyze_ziv_subscript,
12631 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12632 analyze_miv_subscript): Convert the operands before calling
12633 chrec_fold_minus or chrec_fold_plus.
12635 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12637 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12638 the dependence_relations vector.
12639 (compute_data_dependences_for_loop): Adjust call to
12640 compute_all_dependences.
12642 2006-04-01 Roger Sayle <roger@eyesopen.com>
12643 Richard Henderson <rth@redhat.com>
12645 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12646 gimple_boolify on the condition before calling gimplify_expr.
12648 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12650 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12651 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12652 the frame size. Update to use the new macros.
12653 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12654 * config/xtensa/ieee754-df.S: Likewise.
12656 2006-03-31 Richard Henderson <rth@redhat.com>
12658 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12659 (make_edges): ... here. Control fallthru creation with a local
12660 variable. Do not play with fake edges.
12661 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12662 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12665 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12667 * dwarf2.h (DW64_CIE_ID): Define.
12668 * dwarf2out.c (DWARF_CIE_ID): Define.
12669 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12670 length header. Use DWARF_CIE_ID.
12671 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12672 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12674 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12676 * config/sh/linux-atomic.asm: New file.
12677 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12679 2006-03-31 DJ Delorie <dj@redhat.com>
12681 * config/m32c/cond.md: Set condition flags properly throughout.
12682 * config/m32c/minmax.md: Likewise.
12683 * config/m32c/prologue.md: Likewise.
12684 * config/m32c/bitops.md: Likewise.
12685 * config/m32c/muldiv.md: Likewise.
12686 * config/m32c/mov.md: Likewise.
12687 * config/m32c/addsub.md: Likewise.
12688 * config/m32c/m32c.md: Likewise.
12689 * config/m32c/jump.md: Likewise.
12690 * config/m32c/shift.md: Likewise.
12692 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12693 conditionally output the pattern for this.
12694 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12695 (m32c_compare_redundant): New.
12696 (m32c_output_compare): New.
12697 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12699 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12700 dest, not src. Allow other 4-byte modes.
12702 2006-03-30 Denis Chertykov <denisc@overta.ru>
12704 * doc/md.texi: Refer to avr/constraints.md instead of
12707 2006-03-30 Roger Sayle <roger@eyesopen.com>
12709 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12710 signed vs. unsigned comparison failures on some hosts.
12712 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12715 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12716 change to FLOAT_REGS.
12718 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12719 (rs6000_override_options): Use it.
12720 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12721 only for -mabi=spe/no-spe and -mabi=altivec.
12723 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12725 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12728 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12730 * Makefile.in: Rename docdir to gcc_docdir.
12732 2006-03-30 Roger Sayle <roger@eyesopen.com>
12735 * expr.c (emit_group_store): Optimize group stores into a pseudo
12736 register by using a paradoxical subreg to initialize the destination
12737 if the first or last member of the group specifies a "low part".
12739 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12742 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12743 * target.h (struct gcc_target.speculate_insn): Change type of the
12744 second parameter to 'int'.
12745 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12746 the second operand of the DEPS_LIST.
12747 (copy_DEPS_LIST_list): Update reference to the second operand of the
12749 * rtl.h (alloc_DEPS_LIST): Update signature.
12750 * sched-int.h (ds_t): Change typedef to 'int'.
12751 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12753 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12755 * haifa-sched.c (try_ready): Change condition to restore
12756 non-speculative pattern of the instruction.
12757 (process_insn_depend_be_in_spec): Code to keep probability of the
12758 speculative dependence non-decreasing.
12760 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12762 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12763 (single_move_for_movmem): ... this. Also change all uses.
12764 (bfin_expand_strmov): Renamed to...
12765 (bfin_expand_movmem): ... this. Also change all uses.
12766 * config/bfin/bfin.md (movstrsi): Renamed to...
12767 (movstrsi): ...this.
12769 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12771 PR tree-optimization/26830
12773 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12774 (copy_prop_visit_stmt): Remove write-only variable ann.
12775 (init_copy_prop): Check variable loop depth here. Do not simulate
12776 memory-tag and virtual operand PHIs except for store copy prop.
12778 2006-03-30 Richard Guenther <rguenther@suse.de>
12780 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12781 variants with double arguments.
12783 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12785 * genpreds.c (write_tm_constrs_h): Delete variable p.
12786 * genconditions.c (write_header): Add tm-constrs.h to included
12788 * genpeep.c (main): Add toplev.h to included headers.
12789 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12790 (build/genpeep.o): Add toplev.h dependency.
12791 * config/rs6000/constraints.md: Add "W" constraint.
12793 2006-03-29 Roger Sayle <roger@eyesopen.com>
12795 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12796 sizes by correctly testing whether the size fits a host integer.
12797 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12798 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12799 SImode range for the default sizetype and bitsizetype.
12801 2006-03-29 Roger Sayle <roger@eyesopen.com>
12803 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12804 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12805 quickly if the argument is already of the correct type.
12806 Call fold_build1 instead of build1. Tidy up blank lines.
12808 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12810 * genemit.c (main): Add tm-constrs.h to included headers.
12811 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12812 * genpeep.c (main): Add tm-constrs.h to included headers.
12813 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12814 (write_tm_constrs_h): this and write complete file.
12815 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12816 (write_insn_preds_c): Add tm-constrs.h to included headers.
12817 (gen_constrs): New variable.
12818 (parse_option): Parse "-c".
12819 (main): Invoke write_tm_constrs_h.
12820 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12821 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12822 (object_out_file): Add tm-constrs.h dependency.
12823 (insn-emit.o): Same.
12824 (insn-output.o): Same.
12825 (insn-peep.o): Same.
12826 (insn-preds.o): Same.
12827 (insn-recog.o): Same.
12828 (tm-constsr.h): New target.
12829 (s-constrs-h): New target.
12831 * config/rs6000/constraints.md: New file.
12832 * config/rs6000/rs6000.c: Include tm-constrs.h.
12833 (num_insn_constant_wide): Convert to satisfies_constraint.
12834 (rs6000_rtx_costs): Convert to satisfies_constraint.
12835 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12836 (CONST_OK_FOR_LETTER_P): Delete.
12837 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12838 (EXTRA_CONSTRAINT): Delete.
12839 (EXTRA_MEMORY_CONSTRAINT): Delete.
12840 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12841 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12842 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12843 satisfies_constraint.
12845 * config/i386/i386.c: Include tm-constrs.h.
12847 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12849 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12850 * tree-data-ref.c (find_data_references_in_loop,
12851 compute_data_dependences_for_loop): Use pointers to VEC.
12852 (analyze_all_data_dependences): Adjust calls.
12853 * tree-data-ref.h (find_data_references_in_loop,
12854 compute_data_dependences_for_loop): Adjust declarations.
12855 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12856 compute_data_dependences_for_loop.
12858 2006-03-29 Paul Brook <paul@codesourcery.com>
12860 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12861 (movdf_vfp): Ditto.
12863 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12865 PR tree-optimization/26859
12866 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12868 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12869 for the step after fold_convert.
12871 2006-03-29 Paul Brook <paul@codesourcery.com>
12873 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12874 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12876 2006-03-29 Paul Brook <paul@codesourcery.com>
12878 PR middle-end/23623
12879 * targhooks.c (default_narrow_bitfield): New fuction.
12880 * targhooks.h (default_narrow_bitfield): add prototype.
12881 * target.h (gcc_target): Add narrow_volatile_bitfield.
12882 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12883 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12884 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12885 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12887 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12889 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12891 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12892 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12893 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12894 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12895 (s390_function_arg_float): Allow SDmode and DDmode values to be
12896 passed in floating point registers.
12897 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12898 check with SCALAR_FLOAT_MODE_P.
12899 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12901 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12903 PR tree-optimization/25985
12904 * tree-ssa-loop-niter.c (number_of_iterations_le,
12905 number_of_iterations_ne): Make comments more precise.
12906 (number_of_iterations_cond): Add only_exit argument. Use the
12907 fact that signed variables do not overflow only when only_exit
12909 (loop_only_exit_p): New.
12910 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12911 number_of_iterations_cond.
12913 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12915 PR tree-optimization/26643
12916 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12919 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12921 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12922 (divsi3_i4_int): Likewise.
12924 2006-03-28 Roger Sayle <roger@eyesopen.com>
12926 * expr.c (emit_group_store): Only create a new pseudo reg if the
12927 quantity it needs to hold isn't already a suitable pseudo.
12929 2006-03-28 Jeff Law <law@redhat.com>
12931 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12932 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12934 2006-03-28 Roger Sayle <roger@eyesopen.com>
12936 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12937 the equivalent ~X & Y, and the symmetry related transformations.
12938 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12939 ~X & Y, and symmetry related transforms.
12941 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12943 Revert my 2006-03-27 patches.
12945 2006-03-28 Roger Sayle <roger@eyesopen.com>
12947 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12948 ~(T1)X, when T1 and T2 are integer types of the same precision
12949 and (T2)X isn't an extension.
12951 2006-03-28 Jeff Law <law@redhat.com>
12953 PR tree-optimization/26796
12954 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12955 need EH edge cleanups rather than purging them immediately.
12956 (eliminate_degenerate_phis): Handle queued EH cleanups.
12958 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
12960 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
12963 2006-03-27 Roger Sayle <roger@eyesopen.com>
12965 PR middle-end/22524
12966 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
12967 cast BIT_NOT_EXPR operand to the correct type.
12969 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12971 * tree-loop-linear.c: Don't include varray.h.
12972 (gather_interchange_stats, try_interchange_loops,
12973 linear_transform_loops): Use VEC instead of VARRAY.
12974 * lambda-mat.c: Don't include varray.h.
12975 * tree-chrec.c: Same.
12976 * lambda-trans.c: Same.
12977 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12978 VEC instead of VARRAY.
12979 * tree-vectorizer.h: Idem.
12980 * tree-data-ref.c (dump_data_references,
12981 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12982 initialize_data_dependence_relation, finalize_ddr_dependent,
12983 compute_all_dependences, find_data_references_in_loop,
12984 compute_data_dependences_for_loop, analyze_all_data_dependences,
12985 free_dependence_relation, free_dependence_relations,
12986 free_data_refs): Idem.
12987 * tree-data-ref.h (data_reference_p, subscript_p): New.
12988 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12989 VEC instead of VARRAY.
12990 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12991 (find_data_references_in_loop, compute_data_dependences_for_loop,
12992 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12993 dump_data_dependence_relations, free_dependence_relations,
12994 free_data_refs): Adjust declaration.
12995 (lambda_transform_legal_p): Move declaration here...
12996 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12997 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12998 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12999 vect_analyze_data_refs): Use VEC instead of VARRAY.
13000 * lambda.h (lambda_transform_legal_p): ...from here.
13001 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13002 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13003 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13004 tree-chrec.o): Don't depend on VARRAY_H.
13006 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13008 * rtl.def (Copyright): Update date.
13009 (DEPS_LIST): Change type of the second operand to 'int'.
13010 * target.h (Copyright): Update date.
13011 (struct gcc_target.speculate_insn): Change type of the second parameter
13013 * lists.c (Copyright): Update date.
13014 (alloc_DEPS_LIST): Change signature. Update reference to the second
13015 operand of the DEPS_LIST.
13016 (copy_DEPS_LIST_list): Update reference to the second operand of the
13018 * rtl.h (Copyright): Update date.
13019 (alloc_DEPS_LIST): Update signature.
13020 * sched-int.h (Copyright): Update date.
13021 (ds_t): Change typedef to 'int'.
13022 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13024 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13026 * haifa-sched.c (Copyright): Update date.
13027 (try_ready): Change condition to restore non-speculative pattern
13028 of the instruction.
13029 (process_insn_depend_be_in_spec): Code to keep probability of the
13030 speculative dependence non-decreasing.
13032 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13034 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13035 shut up the compiler.
13037 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13039 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13040 to use lib prefix for target.
13041 ($(T)libic_invalidate_array_4-200.a): Likewise.
13042 ($(T)libic_invalidate_array_4a.a): Likewise.
13044 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13045 J"orn Rennecke <joern.rennecke@st.com>
13047 * superh.opt: New file.
13048 * sh.c (boardtype, osruntime): Remove.
13049 * superh.h (SUBTARGET_OPTIONS): Remove.
13050 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13052 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13053 arguments with ^ and/or [].
13055 * config.gcc (sh-*-*): Add quoting to account for quirk of
13057 Replace == with = in enable_incomplete_targets test.
13059 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13060 with MASK_LITTLE_ENDIAN.
13062 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13063 * config/sh/sh.opt: Added to some comments.
13064 * config/sh/superh.h: Removed some chaff.
13066 * config/sh/sh.opt: Add m4-[1234]00* options.
13067 * config/sh/sh.c (sh_handle_option): Likewise.
13068 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13069 (ic_invalidate_array_4-100.o): New rule.
13070 ($(T)libic_invalidate_array_4-100.a): Likewise.
13071 (ic_invalidate_array_4-200.o): Likewise.
13072 ($(T)libic_invalidate_array_4-200.a): Likewise.
13073 (ic_invalidate_array_4a.o): Likewise.
13074 ($(T)libic_invalidate_array_4a.a): Likewise.
13075 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13076 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13078 * config/sh/crt1.asm: Merged in profiling code.
13079 * config/sh/superh.h (STARTFILE_SPEC): Override.
13080 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13081 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13082 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13084 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13085 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13086 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13088 * sh.opt (mpretend-cmove): New option.
13089 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13090 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13091 (movsicc): Add TARGET_PRETEND_CMOVE code.
13093 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13095 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13096 s390_class_max_nregs): New function prototypes.
13097 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13098 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13099 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13100 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13102 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13104 * dwarf2out.c (add_location_or_const_value_attribute): Call
13105 tree_add_const_value_attribute if nothing else works.
13106 (reference_to_unused): New.
13107 (rtl_for_decl_init): Use reference_to_unused to decide whether
13108 to output an initializer.
13110 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13113 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13114 peephole removing spe frob_di_df_2.
13116 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13118 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13119 (subscript_dependence_tester_1): Declared.
13120 (print_dir_vectors, print_dist_vectors): New.
13121 (debug_data_dependence_relation): New.
13122 (dump_data_dependence_relation): Print more details.
13123 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13124 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13125 (save_dist_v, save_dir_v, add_outer_distances,
13126 build_classic_dist_vector_1): New.
13127 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13128 Don't test for lambda_vector_lexico_pos.
13129 (same_access_functions, add_multivariate_self_dist,
13130 add_other_self_distances, dir_from_dist): New.
13131 (build_classic_dir_vector): Replace implementation almost identical to
13132 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13134 (subscript_dependence_tester_1): New.
13135 (subscript_dependence_tester): Handle the lexicographically negative
13136 distance vectors by recomputing the dependence relation.
13137 (compute_affine_dependence): Remove parameter loop_nest_depth.
13138 (compute_self_dependence): Don't call compute_subscript_distance.
13139 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13140 Add a parameter for the loop_nest.
13141 (find_loop_nest_1, find_loop_nest): New.
13142 (compute_data_dependences_for_loop): Compute the loop nest, and give
13143 up if the nest is not well formed.
13144 * tree-data-ref.h (loop_p): New.
13145 (struct data_dependence_relation): Replace size_vect field with
13146 loop_nest, a vec of loops.
13147 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13148 (DDR_LOOP_NEST): New.
13149 (print_dir_vectors, print_dist_vectors,
13150 debug_data_dependence_relation): Declared.
13151 (index_in_loop_nest): New.
13152 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13153 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13156 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13158 * simplify-rtx.c (simplify_relational_operation): Call
13159 simplify_relational_operation_1 even if mode is VOIDmode.
13161 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13163 PR tree-optimization/26804
13164 * tree.h (DECL_CALL_CLOBBERED): New macro.
13165 (tree_decl_common): Add call_clobbered_flag.
13166 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13167 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13168 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13169 (mark_non_addressable): Ditto.
13170 * tree-ssa.c (verify_call_clobbered): New function.
13171 (verify_alias_info): Use it.
13172 * tree-pass.h (pass_reset_cc_flags): New prototype.
13173 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13174 (reset_cc_flags): New function.
13175 * passes.c (init_optimization_passes): Call reset_cc_flags after
13176 initializing referenced_vars.
13178 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13179 Roger Sayle <roger@eyesopen.com>
13181 PR middle-end/26717
13182 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13183 to 1.0 for non-real operands. Implement A / A optimization for
13186 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13188 * config/i386/i386.c (size_cost): Correct the comment for
13189 cost of storing fp registers.
13190 (i386_cost): Likewise.
13191 (i486_cost): Likewise.
13192 (pentium_cost): Likewise.
13193 (pentiumpro_cost): Likewise.
13194 (k6_cost): Likewise.
13195 (athlon_cost): Likewise.
13196 (k8_cost): Likewise.
13197 (pentium4_cost): Likewise.
13198 (nocona_cost): Likewise.
13199 (generic64_cost): Likewise.
13200 (generic32_cost): Likewise.
13202 2006-03-24 Denis Chertykov <denisc@overta.ru>
13204 * config/avr/avr-protos.h (extra_constraint): Delete.
13205 (extra_constraint_Q): New declaration.
13206 * config/avr/constraints.md: New file.
13207 * config/avr/avr.md: Include it.
13208 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13209 (TMP_REGNO, ZERO_REGNO): Likewise.
13210 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13211 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13212 (extra_constraint): Delete.
13213 (extra_constraint_Q): Test for memory constraint 'Q'.
13214 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13215 (REG_CLASS_FROM_LETTER): Delete.
13216 (CONST_OK_FOR_LETTER_P): Delete.
13217 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13218 (EXTRA_CONSTRAINT): Delete.
13219 (TMP_REGNO): Delete.
13220 (ZERO_REGNO): Delete.
13222 2006-03-24 Jeff Law <law@redhat.com>
13224 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13225 directly. Call mark_new_vars_to_rename slightly earlier.
13227 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13229 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13230 (is_cxx): Likewise.
13231 (gen_compile_unit_die): Use new language types for Objective-C and
13233 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13234 DW_LANG_C_plus_plus.
13237 * config/t-darwin (crt3.o): Work around bug 26840.
13238 * config/darwin-crt3.c: Rewrite.
13239 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13241 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13243 * doc/invoke.texi: Document -femit-class-debug-always
13244 * common.opt: Add -femit-class-debug-always.
13246 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13248 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13249 index and base register.
13250 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13251 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13252 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13253 REGNO_OK_FOR_INDEX_P.
13254 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13256 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13257 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13258 REG_OK_FOR_BASE_P): Definitions removed.
13260 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13262 PR middle-end/26611
13263 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13264 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13265 set yet or weren't marked as local yet.
13267 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13269 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13272 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13274 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13275 (rs6000_legitimate_small_data_p): Delete.
13276 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13277 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13278 and make static. Add forward declaration. Update uses.
13279 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13280 of offsettable_memref_p.
13281 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13282 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13284 2006-03-24 Jeff Law <law@redhat.com>
13286 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13287 around bug in immediate-use iterator.
13289 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13292 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13293 or __LITTLE_ENDIAN__.
13295 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13297 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13298 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13299 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13300 * config/sh/sh.opt (mdiv=): Amend description.
13301 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13302 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13303 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13304 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13305 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13306 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13307 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13308 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13309 TARGET_DIVIDE_CALL_FP.
13311 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13313 * haifa-sched.c (choose_ready): Fix type of the local variable.
13314 Move local variables. Add comment.
13315 (check_reg_live): Change signature. Make callable from debugger.
13316 * sched-int.h (check_reg_live): Update signature.
13317 * sched-ebb.c (check_reg_live): Update parameters.
13318 * sched-rgn.c (check_reg_live): Ditto.
13319 (region_head_or_leaf_p): Check pointer before dereferencing.
13320 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13321 before reload on optimization levels below 1.
13323 2006-03-23 Richard Henderson <rth@redhat.com>
13325 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13329 * config/alpha/predicates.md (local_symbolic_operand): Reject
13332 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13335 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13336 expressions which have overflowed constants.
13338 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13340 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13342 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13344 * cfgloopmanip.c (create_loop_notes): Removed.
13345 * final.c (final_scan_insn): Do not handle loop notes.
13346 * jump.c (squeeze_notes): Ditto.
13347 * cfglayout.c (skip_insns_after_block,
13348 duplicate_insn_chain): Ditto.
13349 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13351 * cfgloop.h (create_loop_notes): Declaration removed.
13353 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13355 * varasm.c (output_constant_pool): Restore fnname and fndecl
13357 (assemble_start_function): Adjust call accordingly.
13358 (assemble_end_function): Likewise.
13360 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13363 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13366 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13368 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13371 * system.h (ICE_EXIT_CODE): New macro.
13372 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13373 (diagnostic_action_after_output): Likewise.
13374 * gcc.c (fatal_ice): New function.
13375 (execute): Use it instead of fatal.
13376 (fancy_abort): Likewise.
13377 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13379 2006-03-22 Jeff Law <law@redhat.com>
13381 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13382 iv_analyze_result returning false.
13384 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13386 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13388 2006-03-22 Richard Henderson <rth@redhat.com>
13390 PR middle-end/26084
13391 * except.c (duplicate_eh_regions_0): New.
13392 (duplicate_eh_region_1): Duplicate the children of the node as
13393 well as the node itself. Link them up properly.
13394 (duplicate_eh_region_2): Merge into ...
13395 (duplicate_eh_regions): ... here. Take copy_region argument, and
13396 copy only a sub-tree if asked. Simplify copying and fixup.
13397 (eh_region_outer_p): New.
13398 * except.h (duplicate_eh_regions): Update decl.
13399 (eh_region_outer_p): Declare.
13400 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13401 (lower_omp_master): Likewise.
13402 (lower_omp_ordered): Likewise.
13403 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13404 (move_stmt_r): Use it to remap labels. Handle recursion vs
13405 remap_decls_p properly.
13406 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13407 (find_outermost_region_in_block): New.
13408 (new_label_mapper): New.
13409 (move_sese_region_to_fn): Copy eh information to the new function
13411 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13413 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13416 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13418 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13419 into shared libraries.
13421 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13423 * doc/md.texi: Refer to i386/constraints.md instead of
13424 i386/predicates.md.
13425 * config/i386/constraints.md: New file, extracted from...
13426 * config/i386/predicates.md: ...here.
13427 * config/i386/i386.md: Include constraints.md.
13429 2006-03-21 Jason Merrill <jason@redhat.com>
13431 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13433 PR middle-end/20297
13434 * expr.c (init_block_move_fn): Force default visibility.
13435 (init_block_clear_fn): Likewise.
13436 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13437 * targhooks.c (default_external_stack_protect_fail): Likewise.
13439 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13441 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13442 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13443 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13444 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13445 (loadgp): Use mips_current_loadgp_style.
13446 (loadgp_noshared): New pattern.
13447 (sibcall_internal): Use MIPS_CALL.
13448 (sibcall_value_internal): Likewise.
13449 (sibcall_value_multiple_internal): Likewise.
13450 (call_internal): Likewise.
13451 (call_value_internal): Likewise.
13452 (call_value_multiple_internal): Likewise.
13453 (call_split): Use MIPS_CALL and add an 'S' constraint.
13454 (call_value_split): Likewise.
13455 (call_value_multiple_split): Likewise.
13456 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13457 (-mshared): New option.
13458 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13459 (mips_current_loadgp_style): Declare.
13460 * config/mips/mips.c (mips_classify_symbol): Avoid using
13461 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13462 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13463 TARGET_ABSOLUTE_ABICALLS.
13464 (override_options): Adjust comments. Improve the warning that is
13465 issued when -mabicalls and -G are used together.
13466 (mips_file_start): Remove comment.
13467 (mips_current_loadgp_style): New function.
13468 (mips_gnu_local_gp): New variable.
13469 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13471 (mips_output_function_prologue): Use mips_current_laodgp_style.
13472 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13473 the cprestore instruction.
13474 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13475 live for TARGET_ABSOLUTE_ABICALLS.
13476 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13477 (ASM_SPEC): Pass down -mshared and -mno-shared.
13478 (MIPS_CALL): New macro.
13479 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13481 * doc/invoke.texi (-mabicalls): Update documentation.
13482 (-mshared): Document.
13484 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13486 * config/ia64/unwind-hpux.c: New file.
13487 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13489 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13492 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13494 2006-03-21 Jeff Law <law@redhat.com>
13496 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13497 type conversions of a VR_VARYING source to a wider type.
13499 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13501 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13502 tm_file on Solaris 10 and later.
13503 (sparc64-*-solaris2*): Likewise.
13504 (sparc-*-solaris2*): Likewise.
13505 * config/sol26.h: Rename to config/sol2-6.h.
13506 * config/sol2-10.h: New file.
13508 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13511 * tree-ssa-pre.c (create_component_ref_by_pieces):
13514 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13517 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13518 return it immediately.
13520 2006-03-21 Michael Matz <matz@suse.de>
13522 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13524 (remove_arc, add_arc): Update num_out_arcs member.
13525 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13527 (cache_presence): New function.
13528 (compare_states_for_equiv): New function.
13529 (state_is_differed): Don't take number of outargs, adjust callers.
13530 Use new invariant for speeding up.
13531 (init_equiv_class): Create initial classes based on sorted
13533 (partition_equiv_class): Don't track out_arcs_num.
13534 (evaluate_equiv_classes): Call cache_presence on all states and
13537 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13539 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13540 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13541 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13542 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13544 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13545 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13546 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13547 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13548 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13550 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13551 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13552 (REGNO_REG_CLASS): ARGP is in PREGS.
13553 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13555 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13556 to deal with those addresses.
13557 * addresses.h: New file.
13558 * caller-save.c: Include "addresses.h".
13559 (init_caller_save): Use new base_reg_class function.
13560 * rtl-factoring.c: Include "addresses.h".
13561 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13562 * recog.c: Include "addresses.h".
13563 (preprocess_constraints): Use new base_reg_class function.
13564 * regrename.c: Include "addresses.h".
13565 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13566 functions. Keep track of a new var INDEX_CODE to compute valid
13568 (replace_oldest_value_addr): Likewise.
13569 (replace_oldest_value_mem): Use base_reg_class.
13570 * reload.c: Include "addresses.h".
13571 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13572 (find_reloads): Use new base_reg_class function.
13573 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13574 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13575 all callers and prototype changed.
13576 * reload1.c: Include "addresses.h".
13577 (maybe_fix_stack_asms): Use base_reg_class.
13578 * regclass.c: Include "addresses.h".
13579 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13580 (init_reg_autoinc): Use new base_reg_class function.
13581 (record_reg_classes): Likewise.
13582 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13583 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13584 Use new args to compute necessary class.
13586 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13587 regrename.o, rtl-factoring.o): Update dependencies.
13588 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13589 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13590 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13591 REG_OK_FOR_INDEX_P): Delete documentation.
13593 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13595 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13596 from V7 to V9 for Solaris 7 and above.
13598 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13600 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13601 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13602 argument pointers may not alias any other storage.
13603 * common.opt: Define option -fargument-noalias-anything.
13604 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13605 alias semantics is specified by flag_argument_noalias > 2.
13607 2006-03-20 Jeff Law <law@redhat.com>
13609 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13610 (pass_phi_only_cprop): Declare.
13611 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13612 with phi_only_cprop
13613 * tree-ssa-dom.c (degenerate_phi_result): New function.
13614 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13615 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13616 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13617 (eliminate_degenerate_phis): Likewise.
13618 (pass_phi_only_cprop): New pass descriptor.
13619 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13620 support code. Callers updated.
13621 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13622 (store_copy_prop): Likewise.
13623 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13625 2006-03-20 Jason Merrill <jason@redhat.com>
13628 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13629 (push_visibility, pop_visibility): Likewise.
13630 * c-pragma.h: Declare them.
13632 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13634 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13636 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13637 parameter and use get_ebb_head_tail.
13638 (sh_md_init_global): Adjust uses of find_regmode_weight.
13640 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13642 * function.h (struct function) <x_tail_recursion_reentry>:
13643 Rename to x_stack_check_probe_note.
13644 (tail_recursion_reentry): Rename to stack_check_probe_note.
13645 * function.c: Replace tail_recursion_reentry with
13646 stack_check_probe_note everywhere.
13647 (expand_function_start): Only emit a note for
13648 stack_check_probe_note with -fstack-protect.
13649 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13651 * emit-rtl.c (remove_unnecessary_notes): Remove.
13652 (pass_remove_unnecessary_notes): Remove.
13653 * rtl.h (remove_unnecessary_notes): Remove prototype.
13654 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13655 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13656 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13658 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13661 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13662 (valid_in_set): Handle ARRAY_REF.
13663 Change "if min_variant or VH" to asserts.
13664 (create_component_ref_by_pieces): Handle ARRAY_REF.
13665 (create_expression_by_pieces): Likewise.
13666 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13668 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13670 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13671 is operand of switch, not str[0].
13673 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13675 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13676 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13678 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13680 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13681 end of insn_extra_address_constraint declaration.
13683 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13685 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13686 (no-sum-in-toc): Same.
13687 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13689 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13690 NO_FP_IN_TOC for -fPIC instead of mask.
13692 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13693 (BOOT_LDFLAGS): Delete.
13695 * config/rs6000/t-aix52: Same.
13697 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13698 (stmsi[345678]_power): New.
13700 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13702 * config/ia64/ia64.opt: Add empty line to end of file.
13704 2006-03-17 Richard Guenther <rguenther@suse.de>
13706 PR middle-end/26721
13707 * builtins.c (get_pointer_alignment): For component style references
13708 adjust alignment to the component type alignment. Make sure
13709 to adjust alignment for component access of constants.
13711 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13713 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13714 unconditional jump.
13716 2006-03-17 Paul Brook <paul@codesourcery.com>
13718 * doc/install.texi: Docuemnt --with-mode.
13719 * config.gcc: Add --with-mode for arm*-*-*.
13720 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13722 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13724 * sh.c (max_labelno_before_reorg): New variable.
13725 (sh_reorg): Initialize it.
13726 (find_barrier): Check max_labelno_before_reorg before using
13727 label_to_alignment. Take length of explicit alignment insns
13728 into account. When seeing a UNSPECV_CONST_END, return it.
13730 * sh.c (fixup_mova): Set mode of affected label to QImode.
13731 (untangle_mova): New function.
13732 (find_barrier): Use it. Check mode of label before decrementing
13734 (sh_reorg): Likewise.
13735 Set mode of all insns back to VOIDmode.
13737 * sh.c (MOVA_LABELREF): New macro.
13738 (mova_p, fixup_mova, sh_reorg): Use it.
13739 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13740 ADDR_DIFF_VEC matches mova.
13742 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13744 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13745 with ATTRIBUTE_UNUSED.
13747 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13749 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13750 pointer, instead of assuming it is possible to derive the
13751 correct args size from a call insn.
13753 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13755 * rtl.h (CONST_INT_P): Define.
13756 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13757 instead of GET_CODE(x) == CONST_INT.
13758 (vax_rtx_costs): Likewise.
13759 (vax_output_int_move): Likewise.
13760 (vax_output_int_add): Likewise.
13761 (legitimate_constant_address_p): Likewise.
13762 (index_term_p): Likewise.
13763 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13764 * config/vax/vax.md (and<mode>3): Likewise.
13765 (ashrsi3): Likewise.
13767 (movstricthi): Likewise.
13768 (movstrictqi): Likewise.
13769 (rotrsi3): Likewise.
13770 (five unnamed insns): Likewise.
13772 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13774 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13775 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13776 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13777 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13778 Pass to ASM_OUTPUT_DWARF_OFFSET.
13779 * dwarf2out.c (debug_frame_section): New.
13780 (output_call_frame_info): Use debug_frame_section. Pass it to
13781 dw2_asm_output_offset.
13782 (output_die): Pass appropriate section to dw2_asm_output_offset.
13783 (output_compilation_unit_header): Likewise.
13784 (output_pubnames): Likewise.
13785 (output_aranges): Likewise.
13786 (enum dw_val_class): Break dw_val_class_lbl_offset into
13787 dw_val_class_lineptr and dw_val_class_macptr.
13788 (add_AT_lbl_offset): Delete.
13789 (add_AT_lineptr): New.
13790 (add_AT_macptr): New.
13791 (AT_lbl): Expect a lineptr or macptr.
13792 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13793 (attr_checksum): Likewise.
13794 (same_dw_val_p): Likewise.
13795 (size_of_die): Likewise.
13796 (value_format): Likewise.
13797 (output_die): Likewise.
13798 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13800 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13801 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13802 * config/darwin-protos.h (darwin_file_start): New.
13803 (darwin_asm_output_dwarf_offset): New.
13804 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13805 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13807 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13808 if not EH section; simplify.
13809 (darwin_file_start): New.
13810 (darwin_asm_output_dwarf_offset): New.
13811 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13813 (DEBUG_INFO_SECTION): Likewise.
13814 (DEBUG_ABBREV_SECTION): Likewise.
13815 (DEBUG_ARANGES_SECTION): Likewise.
13816 (DEBUG_MACINFO_SECTION): Likewise.
13817 (DEBUG_LINE_SECTION): Likewise.
13818 (DEBUG_LOC_SECTION): Likewise.
13819 (DEBUG_PUBNAMES_SECTION): Likewise.
13820 (DEBUG_STR_SECTION): Likewise.
13821 (DEBUG_RANGES_SECTION): Likewise.
13822 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13823 (ASM_OUTPUT_DWARF_OFFSET): New.
13825 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13827 * config.gcc (tm_defines): Always add to previous value rather
13830 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13832 * config/mips/predicates.md (splittable_const_int_operand): New,
13833 split from move_operand.
13834 (splittable_symbolic_operand): New.
13835 (move_operand): Add commentary. Use splittable_const_int_operand.
13836 Inline mips_atomic_symbolic_constant_p.
13837 * config/mips/mips.md: Add combine splitters for handling moves
13838 of splittable_const_int_operands and splittable_symbolic_operands.
13839 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13840 (mips_split_symbol): Declare.
13841 (mips_move_integer): Declare.
13842 * config/mips/mips.c (mips_split_p): Make global.
13843 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13844 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13845 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13846 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13847 (mips_offset_within_object_p): Handle block symbols.
13848 (mips_atomic_symbolic_constant_p): Delete.
13849 (mips_cannot_force_const_mem): Return false for constants that
13850 mips_legitimize_move can handle.
13851 (mips_use_blocks_for_constant_p): New function.
13852 (mips_split_symbol): Make global.
13853 (mips_move_integer): Likewise. Add a temporary register argument.
13854 (mips_legitimize_const_move): Use splittable_const_int_operand and
13855 splittable_symbolic_operand.
13856 (mips_use_anchors_for_symbol_p): New function.
13857 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13858 (mips_split_p): Declare.
13860 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13862 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13863 (mips*-*-linux*): Likewise.
13865 2006-03-16 Roger Sayle <roger@eyesopen.com>
13866 Daniel Speyer <dspeyer@wam.umd.edu>
13868 PR middle-end/18259
13869 * tree-dump.c (dump_real): New function.
13870 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13871 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13872 (tree-dump.o): Add $(REAL_H) to the dependencies.
13874 2006-03-16 Roger Sayle <roger@eyesopen.com>
13876 PR middle-end/21781
13877 * real.c (real_from_string): If the mantissa is zero, don't bother
13878 parsing the exponent as the result should always be zero.
13880 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13882 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13884 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13886 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13887 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13888 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13889 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13890 ia64_sched_finish_global): New static functions to implement
13891 hooks from gcc_target.sched.
13892 (spec_check_no, max_uid, pending_data_specs): New static variables.
13893 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13894 ia64_spec_check_src_p): New static functions.
13895 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13896 (TARGET_SCHED_ADJUST_COST): Removed.
13897 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13898 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13899 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13900 TARGET_SCHED_GEN_CHECK,
13901 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13902 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13903 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13904 Fixed to handle speculation checks.
13905 (rtx_needs_barrier): Fixed to handle speculative loads and
13907 (ia64_variable_issue): Added code to count speculative loads and their
13909 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13911 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13913 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13915 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13916 (ia64_reorg): Reset stops_p to NULL after it is freed.
13917 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13918 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13919 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13921 (data_speculative, control_speculative, check_load): New attributes.
13922 (mov<mode>_advanced, mov<mode>_speculative,
13923 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13924 zero_extend<mode>di2_speculative,
13925 zero_extend<mode>di2_speculative_advanced): New patterns for
13926 data and control speculative loads.
13927 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13929 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13930 New pattern for data and control speculation checks.
13931 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13932 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13933 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13934 Auxiliary definitions for the patterns.
13935 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13936 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13938 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13940 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13941 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13942 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13943 New resource constraints.
13944 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13946 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13947 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13948 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13949 msched-in-control-spec, msched-ldc, msched-control-ldc,
13950 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13951 msched-prefer-non-control-spec-insns,
13952 msched-count-spec-in-critical-path): New flags to tune speculative
13954 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13955 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13956 msched-in-control-spec, msched-ldc, msched-control-ldc,
13957 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13958 msched-prefer-non-control-spec-insns,
13959 msched-count-spec-in-critical-path): Document new flags.
13961 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13963 * target.h (struct spec_info_def): New opaque declaration.
13964 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
13965 speculate_insn, needs_block_p, gen_check,
13966 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
13967 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13968 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13969 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13970 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13971 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13973 (TARGET_SCHED): Use new macros.
13974 * rtl.h (copy_DEPS_LIST_list): New prototype.
13975 * sched-int.h (struct sched_info): Change signature of new_ready field,
13976 adjust all initializations. New fields: add_remove_insn,
13977 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13978 region_head_or_leaf_p.
13979 (struct spec_info_def): New structure declaration.
13980 (spec_info_t): New typedef.
13981 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13982 recovery_block, orig_pat.
13983 (glat_start, glat_end): New variables declaraions.
13984 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13986 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13987 DETACH_LIFE_INFO, USE_GLAT.
13988 (enum SPEC_SCHED_FLAGS): New enumeration.
13989 (NOTE_NOTE_BB_P): New macro.
13990 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13991 attach_life_info, debug_spec_status, check_reg_live): New functions.
13992 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13993 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13995 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13996 * ddg.c (get_block_head_tail): Adjust all uses.
13997 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13998 (sms_sched_info): Initialize new fields.
13999 (contributes_to_priority): Removed.
14000 * haifa-sched.c (params.h): New include.
14001 (get_block_head_tail): Adjust all uses.
14002 (ISSUE_POINTS): New macro.
14003 (glat_start, glat_end): New global variables.
14004 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14005 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14006 old_last_basic_block, before_recovery, current_sched_info_var,
14007 rgn_n_insns, luid): New static variables.
14008 (insn_cost1): New function. Move logic from insn_cost to here.
14009 (find_insn_reg_weight1): New function. Move logic from
14010 find_insn_reg_weight to here.
14011 (reemit_notes, move_insn, max_issue): Change signature.
14012 (move_insn1): Removed.
14013 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14014 extend_bb): New static functions to support extension of scheduler's
14016 (generate_recovery_code, process_insn_depend_be_in_spec,
14017 begin_speculative_block, add_to_speculative_block,
14018 init_before_recovery, create_recovery_block, create_check_block_twin,
14019 fix_recovery_deps): New static functions to support
14020 generation of recovery code.
14021 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14022 restore_bb_notes, move_block_after_check, move_succs): New static
14023 functions to support ebb scheduling.
14024 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14025 functions to support handling of register live information.
14026 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14027 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14028 add_jump_dependencies): New static functions.
14029 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14030 consistancy checking.
14031 (debug_spec_status): New function to call from debugger.
14032 (priority): Added code to handle speculation checks.
14033 (rank_for_schedule): Added code to distinguish speculative instructions.
14034 (schedule_insn): Added code to handle speculation checks.
14035 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14036 Fixed to handle ebbs.
14037 (move_insn): Added code to handle ebb scheduling.
14038 (max_issue): Added code to use ISSUE_POINTS of instructions.
14039 (choose_ready): Added code to choose between speculative and
14040 non-speculative instructions.
14041 (schedule_block): Added code to handle ebb scheduling and scheduling of
14042 speculative instructions.
14043 (sched_init): Initialize new variables.
14044 (sched_finish): Free new variables. Print statistics.
14045 (try_ready): Added code to handle speculative instructions.
14046 * lists.c (copy_DEPS_LIST_list): New function.
14047 * sched-deps.c (extend_dependency_caches): New function. Move logic
14048 from create_dependency_caches to here.
14049 (get_dep_weak, ds_merge): Make global.
14050 * genattr.c (main): Code to output prototype for
14051 dfa_clear_single_insn_cache.
14052 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14053 (output_dfa_clean_insn_cache_func): Code to output
14054 dfa_clear_single_insn_cache function.
14055 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14057 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14059 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14060 New static variables.
14061 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14062 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14064 (ebb_sched_info): Initialize new fields.
14065 (get_block_head_tail): Adjust all uses.
14066 (compute_jump_reg_dependencies): Fixed to use glat_start.
14067 (schedule_ebb): Code to remove unreachable last block.
14068 (schedule_ebbs): Added code to update register live information.
14069 * sched-rgn.c (region_sched_info): Initialize new fields.
14070 (get_block_head_tail): Adjust all uses.
14071 (last_was_jump): Removed. Adjust users.
14072 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14073 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14074 Implement new hooks.
14075 (check_dead_notes1): New static function.
14076 (struct region): New fields: dont_calc_deps, has_real_ebb.
14077 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14078 (BB_TO_BLOCK): Fixed to handle EBBs.
14079 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14080 (ebb_head): New static variable.
14081 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14082 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14084 (compute_dom_prob_ps): New assertion.
14085 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14086 global_live_at_start.
14087 (init_ready_list): New assertions.
14088 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14089 (new_ready): Add support for BEGIN_CONTROL speculation.
14090 (schedule_insns): Fixed code that updates register live information
14092 (schedule_region): Fixed to handle EBBs.
14093 (init_regions): Use extend_regions and check_dead_notes1.
14094 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14095 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14096 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14097 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14098 TARGET_SCHED_GEN_CHECK,
14099 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14100 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14101 * doc/invoke.texi (max-sched-insn-conflict-delay,
14102 sched-spec-prob-cutoff): Document.
14104 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14106 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14107 inter_tick, queue_index.
14108 (struct sched_info): Change signature of init_ready_list field.
14109 Adjust all initializations.
14110 (RESOLVED_DEPS): New access macro.
14111 (ready_add): Remove prototype.
14112 (try_ready): Add prototype.
14113 * sched-rgn.c (init_ready_list): Use try_ready.
14114 (schedule_region): Initialize
14115 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14116 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14117 (init_ready_list): Use try_ready.
14118 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14119 * lists.c (remove_list_elem): Remove `static'.
14120 (remove_free_INSN_LIST_elem): New function.
14121 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14122 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14123 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14125 (readyp): New variable.
14126 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14127 change_queue_index, resolve_dep): New static functions.
14128 (try_ready): New function. Adjust callers in sched-rgn.c and
14129 sched-ebb.c to use it instead of ready_add.
14130 (clock_var): Move at the begining of file.
14131 (rank_for_schedule): Fix typo.
14132 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14133 (ready_lastpos): Enforce assertion.
14134 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14135 update all callers.
14136 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14137 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14138 (queue_to_ready): Use free_INSN_LIST_list.
14139 (early_queue_to_ready): Fix typo.
14140 (schedule_block): Init readyp. Move init_ready_list call after the
14141 initialization of clock_var. Fix error in rejecting insn by
14142 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14143 that previously corrected INSN_TICKs. Add code for handling
14145 (set_priorities): Fix typo.
14146 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14147 Clarify comment and code that keeps current_sched_info->next_tail
14150 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14152 * sched-rgn.c (extend_rgns): New static function.
14153 (find_rgns): Use it.
14154 (gather_region_statistics, print_region_statistics): New static
14156 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14157 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14159 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14160 Andrey Belevantsev <abel@ispras.ru>
14162 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14163 * lists.c (unused_deps_list): New variable.
14164 (free_list): Add assertions to verify the proper distinguishing
14165 between INSN_LISTs and DEPS_LISTs.
14166 (find_list_elem, remove_list_elem, remove_list_node): New static
14168 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14169 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14170 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14171 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14173 (free_INSN_LIST_node): Likewise.
14174 * modulo-sched.c (current_sched_info): Initialize flags field.
14175 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14176 * rtl.def (DEPS_LIST): Define.
14177 * rtl.h: Declare new functions from lists.c.
14178 * sched-deps.c (spec_dependency_cache): New static variable.
14179 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14180 (add_dependence): Change return type to void. Move the logic to ...
14181 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14182 (delete_all_dependences): Add comment about forward_dependency_cache.
14183 Handle spec_dependency_cache. Handle DEPS_LISTs.
14184 (fixup_sched_groups): Clarify the change of priority of output
14185 and anti dependencies.
14186 (sched_analyze_2): Adjust add_dependence calls to create data
14187 speculative dependence.
14188 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14189 Adjust all callers. Handle DEPS_LISTS.
14190 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14191 presence of speculation.
14192 (init_dependency_caches, free_dependency_caches):
14193 Handle spec_dependency_cache.
14194 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14195 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14196 New static functions.
14197 (add_or_update_back_dep, add_or_update_back_forw_dep,
14198 add_back_forw_dep, delete_back_forw_dep): New functions.
14199 * sched-int.h (ds_t, dw_t): New typedefs.
14200 (struct sched_info): Add new field flags.
14201 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14202 Prototype new sched-deps.c functions.
14203 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14204 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14205 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14206 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14207 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14208 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14210 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14212 * sched-rgn.c (current_sched_info): Initialize flags field.
14213 (schedule_insns): Initialize current_sched_info before the sched_init
14215 * sched-ebb.c (current_sched_info): Initialize flags field.
14216 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14217 Call add_or_update_back_dep instead of add_dependence.
14218 Create control speculative dependencies.
14219 (schedule_insns): Initialize current_sched_info before the sched_init
14222 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14224 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14226 (sh_fallback_frame_state): Likewise.
14228 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14230 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14231 Do switch on default_use_cxa_atexit.
14232 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14233 * config/darwin-crt3.o: New.
14234 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14235 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14236 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14238 * config/rs6000/t-darwin: Move crt2.o building to here.
14239 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14240 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14243 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14245 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14246 from '! xxx' to '!xxx' for coding-style conformance.
14247 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14248 (EXTRA_CONSTRAINT): Likewise.
14249 * config/vax/vax.md (four unnamed insns): Likewise.
14251 2006-03-15 Paul Brook <paul@codesourcery.com>
14253 * config/arm/arm.c (minipool_pad): New.
14254 (add_minipool_forward_ref): Include pool alignment padding in address
14256 (push_minipool_fix): Set minipool_pad.
14257 (minipool_pad): Ditto.
14259 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14261 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14262 instead of GET_CODE() == MEM and REG_P() instead of
14264 (print_operand_address): Likewise.
14265 (vax_address_cost): Likewise.
14266 (vax_rtx_costs): Likewise.
14267 (vax_notice_update_cc): Likewise.
14268 (vax_output_int_add): Likewise.
14269 (INDEX_REGISTER_P): Likewise.
14270 (BASE_REGISTER_P): Likewise.
14271 (nonindexed_address_p): Likewise.
14272 (vax_mode_dependent_address_p): Likewise.
14273 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14274 (PRINT_OPERAND): Likewise.
14275 * config/vax/vax.md (ashlsi3): Likewise.
14276 (ashlsi3): Likewise.
14277 (some more unnamed insns): Likewise.
14279 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14281 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14282 iterator-style macro.
14283 (mark_control_dependent_edges_necessary): Update the use of
14284 EXECUTE_IF_CONTROL_DEPENDENT.
14286 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14288 * config/sh/predicates.md (cache_address_operand): Special.
14289 (ua_address_operand): Likewise.
14291 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14293 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14295 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14297 2006-03-15 Andreas Schwab <schwab@suse.de>
14299 * gensupport.c (identify_predicable_attribute): Don't free p_false
14300 when it is still in use.
14302 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14304 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14305 the default setting here.
14307 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14309 * tree-pass.h (pass_cfg): Remove.
14310 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14311 * passes.c (pass_cfg): Don't run it.
14313 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14315 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14316 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14318 (stack_regs_mentioned): Update the uses of
14319 stack_regs_mentioned_data. Don't access the array beyond its
14321 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14322 Don't include gt-reg-stack.h.
14324 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14325 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14327 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14329 PR middle-end/26684
14330 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14333 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14335 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14337 2006-03-14 Richard Guenther <rguenther@suse.de>
14339 PR tree-optimization/26672
14340 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14343 2006-03-14 Richard Guenther <rguenther@suse.de>
14345 PR tree-optimization/26667
14346 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14347 node for the callees. Always allow inlining if it will shrink
14350 2006-03-14 Richard Guenther <rguenther@suse.de>
14352 PR middle-end/26659
14353 * builtins.c (get_pointer_alignment): Prefer alignment
14354 information from decls over that from types.
14356 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14359 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14361 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14363 * config/rs6000/rs6000.opt (mdlmzb): New option.
14364 (msched-prolog, msched-epilog): Use Var not Mask.
14365 * doc/invoke.texi (-mdlmzb): Document.
14366 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14368 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14369 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14371 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14373 PR rtl-optimization/25739
14374 * bt-load.c (augment_live_range): Free tos pointer.
14376 * gensupport.c (identify_predicable_attribute): Free
14378 * gcov.c (create_file_names): Free name pointer.
14380 2006-03-13 Roger Sayle <roger@eyesopen.com>
14382 PR middle-end/26557
14383 * stmt.c (emit_case_nodes): Handle the case where the index is a
14384 CONST_INT, where the comparison mode is specified by the index type.
14386 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14388 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14391 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14393 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14394 (*branch_fp_inverted): Likewise.
14396 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14398 PR middle-end/25989
14399 * omp-low.c (expand_omp_for_generic): Mark istart0
14400 and iend0 as addressable.
14402 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14404 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14406 2006-03-13 Jeff Law <law@redhat.com>
14408 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14409 virtual operands are interesting.
14410 (vrp_visit_stmt): Corresponding changes.
14412 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14414 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14416 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14417 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14418 * config/bfin/crti.S: Use it instead of __PIC__.
14419 * config/bfin/crtn.S: Likewise.
14421 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14422 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14424 Lose 'G' modifier for call operand.
14425 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14426 recognize 'G' modifier.
14428 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14430 PR middle-end/18859
14431 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14432 * stmt.c (expand_case): Likewise.
14434 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14436 PR rtl-optimization/26254
14437 * loop-invariant.c (seq_insns_valid_p): New function.
14438 (move_invariant_reg): Only emit new code if it is valid.
14440 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14442 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14444 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14445 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14446 (commit_one_edge_insertion): Do not look for loop notes.
14448 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14450 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14451 flag_test_coverage out of loop.
14453 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14455 * final.c (shorten_branches): Remove outdated comment, and turn
14456 the if branch that guards it to continue.
14458 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14460 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14461 * cfgloop.h (struct loop): Remove unused fields.
14463 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14465 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14466 (-dL, -fdump-rtl-loop2): Update the dump file names
14468 * doc/invoke.texi: Update dump file names.
14470 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14472 * predict.c (estimate_probability): Remove.
14473 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14474 * basic-block.h (estimate_probability): Remove prototype.
14475 * passes.c (finish_optimization_passes): Dump branch prediction or
14476 profiling heuristics to the .profile tree dump.
14477 (init_optimization_passes): Unqueue pass_branch_prob.
14479 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14481 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14483 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14484 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14486 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14488 * function.h (frame_offset_overflow): Declare.
14489 * function.c (frame_offset_overflow): New function.
14490 (assign_stack_local_1): Call it to detect that the offset overflows.
14491 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14493 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14495 * config/sh/sh.c: Include alloc-pool.h.
14496 (label_ref_list_pool): New alloc pool.
14497 (label_ref_list_t): New type for lists of labels.
14498 (struct pool_node): Make wend a label_ref_list_t.
14499 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14501 (dump_table): Likewise.
14502 (sh_reorg): Set up the alloc pool before using add_constant and
14503 dump_table, and destroy it when finishing.
14505 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14507 * config/mips/mips.c: Remove redundant comment.
14509 2006-03-10 Jason Merrill <jason@redhat.com>
14512 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14513 the target was declared 'register'.
14515 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14517 * genpreds.c (write_insn_constraint_len): Change definition of
14518 insn_constraint_len to return size_t to match the declaration.
14520 2006-03-10 DJ Delorie <dj@redhat.com>
14522 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14524 (m32c_expand_insv): Fix test for an AND mask.
14526 2006-03-10 Richard Guenther <rguenther@suse.de>
14528 PR middle-end/26565
14529 * builtins.c (get_pointer_alignment): Handle component
14530 references for field alignment.
14532 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14534 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14535 when building with libgloss.
14536 (sh*elf): Implement --without-fp option.
14537 (sh64-superh-linux*): Don't multilib.
14539 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14541 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14543 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14545 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14546 Set it when one of the replacement functions returned true.
14547 Return TODO_cleanup_cfg if cfgchanged is true.
14548 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14550 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14552 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14553 instead of gen_lowpart.
14555 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14557 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14559 (mips_output_order_conditional_branch): Declare.
14560 * config/mips/mips.h (MIPS_BRANCH): New macro.
14561 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14562 for the comparison. Use gen_condjump.
14563 (mips_output_conditional_branch): Rework interface to take the
14564 asm templates for a direct branch and the inverse of a direct branch.
14565 (mips_output_order_conditional_branch): New function.
14566 (mips_builtin_branch_and_move): New function.
14567 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14568 branch condition. Use gen_single_cc as the condition for
14569 __builtin_mips_upper_* or __builtin_mips_lower_*.
14570 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14571 Use VOIDmode for the branch condition.
14572 * config/mips/predicates.md (order_operator): New predicate.
14573 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14574 (branch_fp): Rename to...
14575 (*branch_fp): ...this. Remove mode from comparison operator.
14576 Use new mips_output_conditional_branch interface.
14577 (branch_fp_inverted): Rename to...
14578 (*branch_fp_inverted): ...this and update as for *branch_fp.
14579 (*branch_zero<mode>): Rename to...
14580 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14581 Use mips_output_order_conditional_branch. Only accept ordered
14583 (*branch_zero<mode>_inverted): Rename to...
14584 (*branch_order<mode>_inverted): ...this and update as for
14585 *branch_order<mode>.
14586 (*branch_equality<mode>): Accept zero as the second operand to
14587 the equality operator. Use the new mips_output_conditional_branch
14589 (*branch_equality<mode>_inverted): Likewise.
14590 (condjump): New expander.
14591 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14593 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14594 (bc1any2t, bc1any2f): Likewise.
14595 (single_cc): New expander.
14596 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14598 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14600 * doc/md.texi: Update documentation of MIPS constraints.
14601 * config/mips/constraints.md: New file.
14602 * config/mips/mips.md: Include it.
14603 * config/mips/mips.c (mips_char_to_class): Delete.
14604 (override_options): Don't initialize mips_char_to_class.
14605 * config/mips/mips.h (mips_char_to_class): Delete.
14606 (REG_CLASS_FROM_LETTER): Delete.
14607 (CONST_OK_FOR_LETTER_P): Delete.
14608 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14609 (EXTRA_CONSTRAINT_Y): Delete.
14610 (EXTRA_CONSTRAINT_STR): Delete.
14611 (CONSTRAINT_LEN): Delete.
14612 (EXTRA_MEMORY_CONSTRAINT): Delete.
14614 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14616 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14617 original fn's eh regions.
14619 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14621 * fold-const.c (build_range_check): Make sure to use a valid type to
14622 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14625 (range_predecessor): New static function.
14626 (range_successor): Likewise.
14627 (merge_ranges): Use them to compute predecessors and successors of
14630 2006-03-09 Roger Sayle <roger@eyesopen.com>
14632 PR middle-end/26561
14633 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14634 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14636 2006-03-08 DJ Delorie <dj@redhat.com>
14638 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14639 (addpsi3): Expand to include memory operands. Remove
14640 reload-specific splits.
14641 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14642 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14643 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14644 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14645 (shift1_qi, shift1_hi, insv): New.
14646 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14647 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14648 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14650 * config/m32c/m32c-protos.h: Update as needed.
14651 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14652 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14653 Fail for unrecognized R* constraints.
14654 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14655 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14656 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14658 (m32c_init_libfuncs): New.
14659 (m32c_legitimate_address_p): Add debug wrapper.
14660 (m32c_rtx_costs): New.
14661 (m32c_address_cost): New.
14662 (conversions): Add 'B' prefix.
14663 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14664 operands, or word regnames for QI operands. 'B' prints bit
14666 (m32c_expand_setmemhi): New.
14667 (m32c_expand_movmemhi): New.
14668 (m32c_expand_movstr): New.
14669 (m32c_expand_cmpstr): New.
14670 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14671 (m32c_expand_neg_mulpsi3): Handle non-ints.
14672 (m32c_cmp_flg_0): New.
14673 (m32c_expand_movcc): New.
14674 (m32c_expand_insv): New.
14675 (m32c_scc_pattern): New.
14676 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14677 a0/a1 out of SIregs.
14678 (STORE_FLAG_VALUE): New.
14679 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14682 * config/m32c/mov.md: Make constraints more liberal.
14683 (zero_extendqihi2): Optimize r0/r1 case.
14684 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14685 * config/m32c/predicates.md (m32c_any_operand): New.
14686 (m32c_nonimmediate_operand): New.
14687 (m32c_hl_operand): New.
14688 (m32c_r3_operand): New.
14691 (memsym_operand): New.
14692 (memimmed_operand): New.
14693 (a_qi_operand): New.
14694 (m32c_eqne_operator): New.
14695 (m32c_1bit8_operand): New.
14696 (m32c_1bit16_operand): New.
14697 (m32c_1mask8_operand): New.
14698 (m32c_1mask16_operand): New.
14699 * config/m32c/blkmov.md: New file.
14700 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14702 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14704 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14705 unsigned to fix signed/unsigned comparison issue in
14706 DWARF2_FRAME_REG_OUT.
14707 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14708 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14710 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14711 of ptr into the ENABLE_CHECKING section.
14713 2006-03-08 Jeff Law <law@redhat.com>
14715 * tree-vrp.c (infer_value_range): Only count pointer uses
14716 and dereferences if -fdelete-null-pointer-checks is enabled.
14718 * tree-vrp.c (find_assert_locations): Infer value ranges for
14719 single use pointers, but do not create ASSERT_EXPRs for them.
14720 When a non-null range is inferred for a pointer, backwards
14721 propagate that range to other equivalent pointers through the
14724 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14727 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14728 language hook targets.
14729 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14730 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14731 if language hook targets were missing.
14733 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14735 * tree-ssa-opfinalize.h: Removed.
14736 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14738 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14739 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14740 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14741 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14742 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14743 finalize_ssa_v_must_def_ops): New.
14745 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14747 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14748 block as parameter.
14750 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14752 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14754 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14755 addresses with offsets; reorganize.
14757 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14758 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14759 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14761 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14764 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14766 2006-03-08 Ben Elliston <bje@au.ibm.com>
14768 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14770 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14773 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14776 2006-03-07 Richard Guenther <rguenther@suse.de>
14778 PR tree-optimization/26587
14779 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14781 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14783 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14785 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14787 * hooks.c (hook_bool_mode_rtx_true): New function.
14788 * hooks.h (hook_bool_mode_rtx_true): Declare.
14789 * toplev.c (compile_file): Call output_shared_constant_pool.
14790 * varasm.c (shared_constant_pool): New variable.
14791 (assemble_start_function, assemble_end_function): Remove arguments
14792 from call to output_constant_pool.
14793 (create_constant_pool): New function, split out from...
14794 (init_varasm_status): ...here.
14795 (force_const_mem): Choose between the shared and per-function constant
14796 pools. Set current_function_uses_const_pool when reusing old entries
14797 as well as when creating new ones.
14798 (mark_constant): Ignore data argument.
14799 (mark_constants): Remove pool argument.
14800 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14801 to decide whether the function uses a constant pool.
14802 (output_constant_pool_contents): New function, split out from...
14803 (output_constant_pool): ...here.
14804 (output_shared_constant_pool): New function.
14805 (init_varasm_once): Initialize shared_constant_pool.
14806 * output.h (output_constant_pool): Delete.
14807 (output_shared_constant_pool): Declare.
14808 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14809 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14811 2006-03-06 Nick Clifton <nickc@redhat.com>
14813 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14814 flag_strength_reduce.
14816 2006-03-06 Ben Elliston <bje@au.ibm.com>
14818 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14819 x86_64-*-linux* configurations.
14821 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14822 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14824 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14826 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14828 * basic-block.h: Remove the extern for
14829 rediscover_loops_after_threading.
14831 * cfgloop.c (cancel_loop): Make it static.
14832 * cfgloop.h: Remove the prototype for cancel_loop.
14834 * flow.c (recompute_reg_usage): Make it static.
14835 * rtl.h: Remove the prototype for recompute_reg_usage.
14837 * function.c (use_return_register): Make it static.
14838 * function.h: Remove the prototype.
14840 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14842 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14844 * recog.h: Remove the prototype for
14845 validate_change_maybe_volatile.
14847 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14849 * rtlanal.c (replace_reg): Remove.
14850 * rtl.h: Remove the prototype for replace_reg.
14852 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14854 * regclass.c (reg_scan_update): Remove.
14855 (reg_scan_mark_refs): Remove the last argument.
14856 * rtl.h: Remove the prototype for reg_scan_update.
14858 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14860 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14861 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14862 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14863 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14864 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14865 loop-invariant.c, omp-low.c, opts.c, passes.c,
14866 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14867 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14868 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14869 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14870 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14871 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14873 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14875 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14876 * dwarf2out.h: Remove the prototype for
14877 dwarf2out_add_library_unit_info.
14879 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14881 * tree.c (add_var_to_bind_expr): Remove.
14882 * tree.h: Remove the prototype for add_var_to_bind_expr.
14884 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14886 * regclass.c (n_non_fixed_regs): Remove.
14887 (init_reg_sets_1, globalize_reg): Remove all uses of
14889 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14891 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14893 * rtlanal.c (insns_safe_to_move_p): Remove.
14894 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14896 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14898 * expmed.c (expand_mult_add): Remove.
14899 * expr.h: Remove the prototype for expand_mult_add.
14901 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14903 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14904 and REG_SAVED_VAL_EXP constants.
14905 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14906 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14907 Handle regs stored by value.
14908 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14909 (execute_cfa_program): Handle DW_CFA_val_offset,
14910 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14911 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14912 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14913 (uw_install_context_1): Handle target regs stored by value.
14915 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14917 * tree-sra.c (tree_sra): Return todoflags;
14918 (generate_one_element): Set TODO_update_smt_usage if needed.
14919 (pass_sra): Remove TODO_update_smt_usage.
14920 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14922 (tree_ssa_forward_propagate_single_use_vars): Return
14923 TODO_update_smt_usage if we need to update SMT usage.
14924 (pass_forwprop): Remove TODO_update_smt_usage.
14926 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14928 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14929 (correct_use_link): Remove reference to get_stmt_operands.
14930 (update_stmt_operands): Likewise.
14931 (get_modify_expr_operands): New function factored out of
14932 parse_ssa_operands and get_expr_operands.
14933 Try to create V_MUST_DEFs for LHS by default.
14934 (get_expr_operands) <case MODIFY_EXPR>: Call
14935 get_modify_expr_operands.
14936 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14937 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14938 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14939 get_modify_expr_operands.
14941 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14943 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14944 * tree-flow.h: Remove the prototype for
14945 referenced_var_lookup_if_exists.
14947 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14949 PR rtl-optimization/26345
14951 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14953 2006-03-03 Roger Sayle <roger@eyesopen.com>
14955 PR tree-optimization/26524
14956 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14957 fold_convert to create a constant of the appropriate type.
14959 2006-03-03 Richard Sandiford <richard@codesourcery.com>
14961 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14962 SYMBOL_REF_IN_BLOCK_P.
14963 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
14964 of SYMBOL_FLAG_IN_BLOCK.
14965 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
14966 instead of SYMBOL_REF_IN_BLOCK_P.
14967 * explow.c (use_anchored_address): Likewise.
14968 * rtl.c (rtx_size): Likewise.
14969 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14970 instead of SYMBOL_FLAG_IN_BLOCK.
14971 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14972 SYMBOL_REF_IN_BLOCK_P.
14973 (assemble_variable): Likewise.
14974 (output_constant_def_contents): Likewise.
14975 (output_constant_pool): Likewise.
14976 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14977 instead of SYMBOL_FLAG_IN_BLOCK.
14978 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14979 SYMBOL_REF_IN_BLOCK_P.
14980 (SYMBOL_REF_BLOCK): Likewise.
14981 (SYMBOL_REF_OFFSET): Likewise.
14982 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14983 SYMBOL_REF_IN_BLOCK_P.
14984 (SYMBOL_FLAG_IN_BLOCK): Replace with...
14985 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14986 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14987 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14989 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14991 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14993 2006-03-02 Roger Sayle <roger@eyesopen.com>
14995 * simplify-rtx.c (simplify_unary_operation): When simplifying
14996 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14997 that we perform the right shift in the appropriate mode, and
14998 then extend or truncate the result to requested mode.
15000 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15002 * gengtype.c (main): Handle double_int type.
15003 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15004 * double-int.c: New file.
15005 * double-int.h: New file.
15006 * system.h: Include doubleint.h.
15007 * Makefile.in (SYSTEM_H): Include double-int.h.
15008 (double-int.o): Add.
15010 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15013 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15016 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15018 * tree-vrp.c (remove_range_assertions): Do not update statements
15021 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15023 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15025 * gcse.c (rest_of_handle_gcse): Ditto.
15026 * except.c (gate_handle_eh): Ditto.
15027 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15028 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15030 2006-03-02 Eric Christopher <echristo@apple.com>
15032 * config/i386/i386.c (machopic_output_stub): Add indirection to
15035 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15039 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15041 Sun Niagara specific optimizations.
15042 * config.gcc: Recognize niagara as target.
15043 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15044 (TARGET_CPU_niagara): Define.
15045 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15046 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15047 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15048 (ASM_CPU_SPEC): Likewise.
15049 (PROCESSOR_NIAGARA): New enum entry.
15050 (REGISTER_MOVE_COST): Handle Niagara.
15051 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15052 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15053 (sparc_override_options): Recognize "niagara", set appropriate
15054 default MASK_* values for it, and align functions to 32-bytes
15055 by default just like ULTRASPARC/ULTRASPARC3.
15056 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15057 (sparc64_initialize_trampoline): Likewise.
15058 (sparc_use_sched_lookahead): Use zero for niagara.
15059 (sparc_issue_rate): Use one for niagara.
15060 * config/sparc/niagara.md: New file.
15061 * config/sparc/sparc.md: Include it.
15062 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15063 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15064 when default cpu is niagara.
15065 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15066 (ASM_CPU_SPEC): Likewise.
15067 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15068 when default cpu is niagara.
15069 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15070 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15071 just like v9/ultrasparc/ultrasparc3.
15072 * doc/invoke.texi: Add documentation for "niagara" and improve
15073 existing documentation for ultrasparc variants.
15075 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15077 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15079 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15081 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15082 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15083 and say that only one is needed.
15084 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15085 * target.h (have_switchable_bss_sections): New hook.
15086 * explow.c (use_anchored_address): Check that the symbol is in a block.
15087 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15088 (bss_noswitch_section): New variables.
15089 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15090 (get_noswitch_section): New function.
15091 (get_block_for_section): Allow SECT to be null.
15092 (unlikely_text_section_p): Use SECTION_STYLE.
15093 (bss_initializer_p): New function.
15094 (get_variable_section): Move earlier in file. Take a new argument,
15095 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15096 Return one of the new *_sections in such cases.
15097 (get_block_for_decl): New function, extracting some logic from
15098 use_blocks_for_decl_p.
15099 (change_symbol_section): Remove in favor of...
15100 (change_symbol_block): ...this new function.
15101 (use_blocks_for_decl_p): Remove checks now performed by
15102 get_block_for_decl.
15103 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15104 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15105 (emit_local, emit_bss, emit_common): ...these new functions.
15106 Return true if the alignment was honored.
15107 (emit_tls_common): New function.
15108 (asm_emit_uninitialised): Delete.
15109 (assemble_variable_noswitch): New function, split out from...
15110 (assemble_variable): ...here. Don't make decisions about common
15111 variables here. Globalize all public decls that go into non-common
15112 sections. Check whether SYMBOL_REF_BLOCK is null.
15113 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15114 (output_constant_pool): Likewise.
15115 (init_varasm_once): Initialize the new section variables.
15116 (have_global_bss_p): New function.
15117 (categorize_decl_for_section): Use bss_initializer_p.
15118 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15119 (place_block_symbol): Assert that the symbol must be in a block.
15120 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15121 (TARGET_INITIALIZER): Include it.
15122 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15123 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15124 (SECTION_MACH_DEP): Bump by two.
15125 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15126 (unnamed_section): Mention SECTION_UNNAMED in comment.
15127 (named_section): Likewise SECTION_NAMED.
15128 (noswitch_section_callback): New type.
15129 (noswitch_section): New structure.
15130 (section): Add a noswitch_section alternative.
15131 (SECTION_STYLE): New macro.
15132 (tls_comm_section, comm_section, lcomm_section): Declare.
15133 (bss_noswitch_section, have_global_bss_p): Declare.
15134 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15135 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15137 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15138 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15141 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15143 * tree-vrp.c (execute_vrp): Return value.
15144 * regrename.c (rest_of_handle_regrename): Ditto.
15145 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15146 * tree-complex.c (tree_lower_complex): Ditto.
15147 (tree_lower_complex_O0): Ditto.
15148 * tracer.c (rest_of_handle_tracer): Ditto.
15149 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15150 * postreload.c (rest_of_handle_postreload): Ditto.
15151 * tree-tailcall.c (execute_tail_recursion): Ditto.
15152 (execute_tail_calls): Ditto.
15153 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15154 * tree.h (init_function_for_compilation): Ditto.
15155 * ipa-cp.c (ipcp_driver): Ditto.
15156 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15157 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15158 * final.c (compute_alignments): Ditto.
15159 (rest_of_handle_final): Ditto.
15160 (rest_of_handle_shorten_branches): Ditto.
15161 (rest_of_clean_state): Ditto.
15162 * omp-low.c (execute_expand_omp): Ditto.
15163 (execute_lower_omp): Ditto.
15164 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15165 * ipa-reference.c (static_execute): Ditto.
15166 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15167 * reorg.c (rest_of_handle_delay_slots): Ditto.
15168 (rest_of_handle_machine_reorg): Ditto.
15169 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15170 * flow.c (recompute_reg_usage): Ditto.
15171 (rest_of_handle_remove_death_notes): Ditto.
15172 (rest_of_handle_life): Ditto.
15173 (rest_of_handle_flow2): Ditto.
15174 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15175 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15176 (do_ssa_store_ccp): Ditto.
15177 (execute_fold_all_builtins): Ditto.
15178 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15179 * modulo-sched.c (rest_of_handle_sms): Ditto.
15180 * ipa-pure-const.c (static_execute): Ditto.
15181 * cse.c (rest_of_handle_cse): Ditto.
15182 (rest_of_handle_cse2): Ditto.
15183 * web.c (rest_of_handle_web): Ditto.
15184 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15185 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15186 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15187 * tree-nrv.c (tree_nrv): Ditto.
15188 (execute_return_slot_opt): Ditto.
15189 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15190 (create_structure_vars): Ditto.
15191 * loop-init.c (rtl_loop_init): Ditto.
15192 (rtl_loop_done): Ditto.
15193 (rtl_move_loop_invariants): Ditto.
15194 (rtl_unswitch): Ditto.
15195 (rtl_unroll_and_peel_loops): Ditto.
15196 (rtl_doloop): Ditto.
15197 * gimple-low.c (lower_function_body): Ditto.
15198 (mark_used_blocks): Ditto.
15199 * tree-ssa-sink.c (execute_sink_code): Ditto.
15200 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15201 (cgraph_early_inlining): Ditto.
15202 * global.c (rest_of_handle_global_alloc): Ditto.
15203 * jump.c (cleanup_barriers): Ditto.
15204 (purge_line_number_notes): Ditto.
15205 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15206 (rest_of_handle_if_after_reload): Ditto.
15207 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15208 (tree_ssa_loop_im): Ditto.
15209 (tree_ssa_loop_unswitch): Ditto.
15210 (tree_vectorize): Ditto.
15211 (tree_linear_transform): Ditto.
15212 (tree_ssa_loop_ivcanon): Ditto.
15213 (tree_ssa_empty_loop): Ditto.
15214 (tree_ssa_loop_bounds): Ditto.
15215 (tree_complete_unroll): Ditto.
15216 (tree_ssa_loop_prefetch): Ditto.
15217 (tree_ssa_loop_ivopts): Ditto.
15218 (tree_ssa_loop_done): Ditto.
15219 * predict.c (tree_estimate_probability): Ditto.
15220 * recog.c (split_all_insns_noflow): Ditto.
15221 (rest_of_handle_peephole2): Ditto.
15222 (rest_of_handle_split_all_insns): Ditto.
15223 * tree-eh.c (lower_eh_constructs): Ditto.
15224 * regmove.c (rest_of_handle_regmove): Ditto.
15225 (rest_of_handle_stack_adjustments): Ditto.
15226 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15227 * function.c (instantiate_virtual_regs): Ditto.
15228 (init_function_for_compilation): Ditto.
15229 (rest_of_handle_check_leaf_regs): Ditto.
15230 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15231 (rest_of_handle_gcse): Ditto.
15232 * ipa-type-escape.c (type_escape_execute): Ditto.
15233 * alias.c (rest_of_handle_cfg): Ditto.
15234 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15235 * profile.c (rest_of_handle_branch_prob): Ditto.
15236 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15237 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15238 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15239 * tree-dfa.c (find_referenced_vars): Ditto.
15240 * except.c (set_nothrow_function_flags): Ditto.
15241 (convert_to_eh_region_ranges): Ditto.
15242 (rest_of_handle_eh): Ditto.
15243 * emit-rtl.c (unshare_all_rtl): Ditto.
15244 (remove_unnecessary_notes): Ditto.
15245 * except.h (set_nothrow_function_flags): Ditto.
15246 (convert_to_eh_region_ranges): Ditto.
15247 * cfgexpand.c (tree_expand_cfg): Ditto.
15248 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15249 * tree-ssa-pre.c (do_pre): Ditto.
15250 (execute_fre): Ditto.
15251 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15252 (rest_of_handle_jump2): Ditto.
15253 * tree-sra.c (tree_sra): Ditto.
15254 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15255 (execute_mudflap_function_decls): Ditto.
15256 * tree-ssa-copy.c (do_copy_prop): Ditto.
15257 (do_store_copy_prop): Ditto.
15258 * ipa-prop.h (ipcp_driver): Ditto.
15259 * cfglayout.c (insn_locators_initialize): Ditto.
15260 * tree-ssa-forwprop.c
15261 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15262 * cfglayout.h (insn_locators_initialize): Ditto.
15263 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15264 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15265 (execute_late_warn_uninitialized): Ditto.
15266 * rtl.h (cleanup_barriers): Ditto.
15267 (split_all_insns_noflow): Ditto.
15268 (purge_line_number_notes): Ditto.
15269 (unshare_all_rtl): Ditto.
15270 (remove_unnecessary_notes): Ditto.
15271 (recompute_reg_usage): Ditto.
15272 (variable_tracking_main): Ditto.
15273 * integrate.c (emit_initial_value_sets): Ditto.
15274 * integrate.h (emit_initial_value_sets): Ditto.
15275 * tree-optimize.c (execute_free_datastructures): Ditto
15276 (execute_free_cfg_annotations): Ditto.
15277 (execute_fixup_cfg): Ditto.
15278 (execute_cleanup_cfg_pre_ipa): Ditto.
15279 (execute_cleanup_cfg_post_optimizing): Ditto.
15280 (execute_init_datastructures): Ditto.
15281 * tree-object-size.c (compute_object_sizes): Ditto.
15282 * combine.c (rest_of_handle_combine): Ditto.
15283 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15284 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15285 (rest_of_handle_reorder_blocks): Ditto.
15286 (rest_of_handle_partition_blocks): Ditto.
15287 * var-tracking.c (variable_tracking_main): Ditto.
15288 * tree-profile.c (tree_profiling): Ditto.
15289 * tree-vect-generic.c (expand_vector_operations): Ditto.
15290 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15291 * sched-rgn.c (rest_of_handle_sched): Ditto.
15292 (rest_of_handle_sched2): Ditto.
15293 * basic-block.h (free_bb_insn): Ditto.
15294 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15295 * tree-cfg.c (execute_build_cfg): Ditto.
15296 (remove_useless_stmts): Ditto.
15297 (split_critical_edges): Ditto.
15298 (execute_warn_function_return): Ditto.
15299 (execute_warn_function_noreturn): Ditto.
15300 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15301 * cfgrtl.c (free_bb_for_insn): Ditto.
15302 * passes.c (execute_one_pass): Run additional
15303 todos returned by execute function.
15304 * tree-pass.h (struct tree_opt_pass): Make execute
15307 2006-03-02 Richard Guenther <rguenther@suse.de>
15309 * tree-ssa-alias.c (find_used_portions): Consider taking
15310 the address as making the variable not write-only.
15312 2006-03-02 Nick Clifton <nickc@redhat.com>
15314 * config.gcc (default_use_cxa_atexit): Extend the description of
15315 this configure variable. Set its default value to "yes" for
15316 Linux, NetBSD and ELF targets on the assumption that they will
15317 use C libraries with the __cxa_atexit function.
15319 2006-03-02 Ben Elliston <bje@au.ibm.com>
15321 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15322 parameter as unused to suppress a build warning.
15324 2006-03-02 Ben Elliston <bje@au.ibm.com>
15326 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15329 2006-03-01 Roger Sayle <roger@eyesopen.com>
15332 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15333 declared name, the weak reference name, and the typeof name.
15334 (__gthrw): Avoid expanding the declared name suffix.
15335 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15337 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15339 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15341 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15342 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15343 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15344 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15345 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15346 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15347 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15348 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15349 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15350 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15351 (DW_END_default, DW_END_big, DW_END_little): New.
15352 (DW_END_lo_user, DW_END_hi_user): Define.
15353 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15354 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15355 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15358 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15360 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15362 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15364 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15366 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15368 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15369 to 'symbol_mem_tag'.
15371 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15374 2006-03-01 Roger Sayle <roger@eyesopen.com>
15376 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15378 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15381 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15382 MACHO_DYNAMIC_NO_PIC_P.
15383 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15385 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15388 * config/darwin-protos.h (darwin_asm_output_anchor):
15390 * config/darwin-sections.def (cstring_section):
15391 Add SECTION_MERGE to the flags.
15392 (literal4_section): Likewise.
15393 (literal8_section): Likewise.
15394 (objc_selector_refs_section): Likewise.
15395 (objc_cls_refs_section): Likewise.
15396 * config/darwin.c (darwin_asm_output_anchor): New
15398 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15400 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15402 Fix PR tree-optimization/26443
15403 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15404 to todo and PROP_tmt_usage to properties_destroyed.
15405 * tree-ssa-ccp.c (pass_ccp): Ditto.
15406 (pass_store_ccp): Ditto.
15407 * tree-ssa-dom.c (pass_dominator): Ditto.
15409 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15411 * tree-ssa-operands.c: Cleanup whitespace.
15412 (get_asm_expr_operands): Move before first invocation.
15413 (get_indirect_ref_operands): Likewise.
15414 (get_tmr_operands): Likewise.
15415 (get_call_expr_operands): Likewise.
15416 (append_def): Likewise.
15417 (append_use): Likewise.
15418 (append_v_may_def): Likewise.
15419 (append_v_must_def): Likewise.
15420 (add_call_clobber_ops): Likewise.
15421 (add_call_read_ops): Likewise.
15422 (add_stmt_operand): Likewise.
15423 (add_virtual_operand): Likewise.
15424 (build_ssa_operands): Likewise.
15426 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15428 PR middle-end/26022
15430 PR middle-end/24437
15431 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15432 with a call expr to ...
15433 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15435 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15437 * tree-vrp.c (extract_range_from_assert): Remove special
15438 handling for types with super-types.
15440 2006-03-01 Ben Elliston <bje@au.ibm.com>
15442 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15443 and powerpc64-*-linux* configurations.
15444 * config/t-dfprules: New file.
15446 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15447 Compile dfp-bit.c from the source directory using -DWIDTH and
15448 $DFP_CFLAGS to control the compilation of that file, rather than
15449 generating width-specific versions in the build directory.
15450 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15451 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15453 2006-02-28 Zack Weinberg <zackw@panix.com>
15455 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15458 2006-02-28 Eric Christopher <echristo@apple.com>
15460 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15461 Set up IN_LIBGCC definition of TARGET_64BIT.
15462 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15464 2006-02-28 Roger Sayle <roger@eyesopen.com>
15466 PR middle-end/14752
15467 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15468 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15469 cases via the construction of "expr != 0".
15471 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15473 * alias.c (alias_invariant, alias_invariant_size): Remove.
15474 (record_base_value): Remove.
15475 (memrefs_conflict_p): Don't look at alias_invariant.
15476 (end_alias_analysis): Don't free it.
15477 * alias.h (record_base_value): Remove prototype.
15479 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15480 Adam Nemet <anemet@caviumnetworks.com>
15482 * rtl.h (truncated_to_mode): Declare it.
15483 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15484 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15485 (RTL_HOOKS_INITIALIZER): Include it.
15486 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15487 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15488 reg_truncated_to_mode.
15489 * rtlanal.c (truncated_to_mode): Define it.
15490 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15492 2006-02-28 Jeff Law <law@redhat.com>
15494 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15495 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15496 the range allowed by TYPE_PRECISION.
15498 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15500 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15502 PR tree-optimization/26419
15503 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15506 2006-02-27 Zack Weinberg <zackw@panix.com>
15508 * doc/md.texi: Fix typo in previous change.
15510 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15514 2006-02-27 Zack Weinberg <zackw@panix.com>
15516 * rtl.def (define_constraint, define_register_constraint)
15517 (define_memory_constraint, define_address_constraint): New MD forms.
15518 * gensupport.c (process_rtx): Put define_constraint etc on the
15520 * genpreds.c (process_define_predicate): Adjust comment. Validate
15521 the name, and call validate_exp to validate the expression.
15522 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15523 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15524 all callers changed.
15525 (validate_exp, needs_variable, struct constraint_data)
15526 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15527 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15528 (const_dbl_constraints, constraint_max_namelen)
15529 (have_register_constraints, have_memory_constraints)
15530 (have_address_constraints, have_address_constraints)
15531 (have_extra_constraints, have_const_int_constraints)
15532 (have_const_dbl_constraints, mangle, add_constraint)
15533 (process_define_constraint, process_define_register_constraint)
15534 (write_enum_constraint_num, write_lookup_constraint)
15535 (write_insn_constraint_len, write_regclass_for_constraint)
15536 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15537 (write_insn_extra_memory_constraint)
15538 (write_insn_extra_address_constraint)
15539 (write_satisfies_constraint_fns): New.
15540 (write_tm_preds_h): If we have new-style constraint definitions,
15541 prototype the functions generated from them, and define the
15542 old constraint interface (still used by generic code) in terms of
15544 (write_insn_preds_c): If we have new-style constraint definitions,
15545 generate all relevant functions from those definitions.
15546 (main): Handle define_constraint etc.
15547 * genoutput.c (struct constraint_data, indep_constraints)
15548 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15549 (mdep_constraint_len): New data structures and functions, defined
15550 #ifdef USE_MD_CONSTRAINTS.
15551 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15552 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15553 use new logic to validate operand constraints against constraint
15555 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15557 * defaults.h: If none of the old-style constraint macros are
15558 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15559 old-style macros; and poison REG_CLASS_FROM_LETTER,
15560 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15562 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15563 * doc/md.texi: Document new constraint-definition mechanism and the
15564 C interface it provides. Remove references to old mechanism
15565 elsewhere in the document.
15566 (Machine Constraints): Use pathnames relative to gcc directory,
15567 i.e. config/ARCH/FILE. Change i386 section to refer to
15568 config/i386/predicates.md; update that section to match docstrings.
15569 * doc/tm.texi: Move all documentation of the old constraint-
15570 definition macros to their own section, clearly mark as obsolete.
15572 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15573 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15575 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15576 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15577 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15578 constraint strings.
15579 (splits and peepholes): Use satisfies_constraint_*.
15580 * config/i386/i386.c (memory_address_length)
15581 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15583 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15585 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15586 scalar operation to be put back into the loop.
15588 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15591 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15592 (extract_cie_info): Handle S flag in augmentation string.
15593 (execute_cfa_program): If context->signal_frame, execute also
15594 fs->pc == context->ra instructions.
15595 (uw_frame_state_for): If context->signal_frame, don't subtract one
15596 from context->ra to find FDE.
15597 (uw_update_context_1): Set context->signal_frame to
15599 (_Unwind_GetIPInfo): New function.
15600 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15601 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15603 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15604 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15605 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15606 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15607 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15608 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15609 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15610 x86_64_fallback_frame_state): Set fs->signal_frame.
15611 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15612 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15613 (frob_update_context): Likewise. Workaround missing S flag in
15614 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15615 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15616 Remove the psw_addr + 1 hack.
15618 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15620 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15621 with aggregates here.
15622 (find_func_aliases): Remove code for &<aggregate> from here.
15624 2006-02-26 Roger Sayle <roger@eyesopen.com>
15626 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15627 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15628 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15629 as (X & C) ne/eq 0.
15631 2006-02-26 Roger Sayle <roger@eyesopen.com>
15633 PR middle-end/19983
15634 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15636 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15638 * opts.c (decode_options): Do not handle flag_strength_reduce.
15639 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15640 and OPT_fstrength_reduce.
15641 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15642 flag_prefetch_loop_arrays for being nonzero.
15643 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15645 (fprefetch-loop-arrays-rtl): Removed.
15646 (flag_prefetch_loop_arrays): Do not specify the value.
15648 * doc/passes.texi: Update documentation of loop optimizer
15650 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15651 -frerun-loop-opt): Remove.
15653 2006-02-26 Richard Guenther <rguenther@suse.de>
15655 PR tree-optimization/26421
15656 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15657 in function calls that are ADDR_EXPRs as using the whole structure.
15659 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15661 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15662 * tree-pass.h (pass_loop_optimize): Remove.
15663 * passes.c (pass_loop_optimize): Never run it.
15664 * toplev.c (backend_init): Don't call init_loop.
15665 * opts.c (flag_loop_optimize_set): Remove.
15666 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15667 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15668 the old RTL loop optimizer when profiling enabled.
15669 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15670 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15671 pre-headers for the sake of the old RTL loop optimizer.
15672 * Makefile.in: Remove all references to loop.o.
15674 * doc/invoke.texi: Remove all references to -floop-optimize
15675 and -frerun-loop-opt.
15677 2006-02-26 Zack Weinberg <zackw@panix.com>
15679 * doc/md.texi (Machine Constraints): Refer to all files with paths
15680 relative to gcc directory (i.e. config/CPU/file). Add missing
15681 @table @code ... @end table to M32C subsection.
15683 2006-02-26 Roger Sayle <roger@eyesopen.com>
15685 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15687 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15689 2006-02-26 Roger Sayle <roger@eyesopen.com>
15690 James A. Morrison <phython@gcc.gnu.org>
15692 PR middle-end/21137
15693 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15694 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15695 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15696 signedness of the shift operation.
15698 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15700 PR tree-optimization/26359
15701 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15703 2006-02-25 Roger Sayle <roger@eyesopen.com>
15705 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15706 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15707 as X == 0, and some symmetry related transformations.
15708 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15710 2006-02-25 Roger Sayle <roger@eyesopen.com>
15712 PR middle-end/23673
15713 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15714 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15715 symmetry related transformations. Fold (X^C1) == C2 as
15718 2006-02-25 Juergen Weigert <jw@suse.de>
15719 Richard Guenther <rguenther@suse.de>
15721 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15723 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15725 * combine.c (gen_lowpart_or_truncate): Call
15726 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15728 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15730 * doc/invoke.texi: Move -fopenmp description to "Options for
15732 Remove reference to -lgomp.
15734 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15736 * doc/install.texi: Require GNU tar version 1.14.
15738 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15740 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15741 * doc/invoke.texi (C++ Dialect Options): Document
15742 -fno-use-cxa-get-exception-ptr.
15743 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15744 * configure: Regenerate.
15745 * c.opt (fuse-cxa-get-exception-ptr): New.
15746 * c-opts.c (c_common_handle_option): Handle
15747 OPT_fuse_cxa_get_exception_ptr.
15748 * c-common.c (flag_use_cxa_atexit): Update documentation.
15749 (flag_use_cxa_get_exception_ptr): New.
15750 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15751 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15753 (C_COMMON_OVERRIDE_OPTIONS): New.
15755 2006-02-24 Roger Sayle <roger@eyesopen.com>
15757 PR middle-end/24952
15758 * combine.c (try_combine): Explicitly check whether GET_CODE is
15759 a SET or a CLOBBER, instead on checking that it isn't a USE.
15761 2006-02-24 Roger Sayle <roger@eyesopen.com>
15763 * fold-const.c (fold_comparison): New subroutine of fold_binary
15764 containing transformations common to both the equality and
15765 ordering relational operators, factored out of fold_binary.
15766 (fold_binary): Separate out the equality operators (EQ_EXPR
15767 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15768 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15769 transformations common to both.
15770 (fold_div_compare): Fix latent bugs in the previously unreachable
15771 LT_EXPR and GE_EXPR cases.
15773 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15775 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15776 decl libname for clog to __clog on AIX.
15778 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15780 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15783 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15784 output traceback table for thunks. Localise rs6000_stack_info call.
15786 2006-02-23 Roger Sayle <roger@eyesopen.com>
15787 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15789 * gthr-posix.h (__gthrw): Fix typo in comment.
15791 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15793 * doc/cpp.texi (Character sets): Document that we do support
15794 input files to be in any character set.
15796 2006-02-23 Jeff Law <law@redhat.com>
15798 * tree.h (PHI_ARG_NONZERO): Remove.
15799 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15800 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15801 node to the new node.
15803 PR tree-optimization/26425
15804 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15805 min/max, then assume its varying.
15807 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15809 PR rtl-optimization/26316
15810 * rtlanal.c (enum may_trap_p_flags): New.
15811 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15812 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15813 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15814 (may_trap_after_code_motion_p): New function.
15815 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15816 (find_invariant_insn): Use may_trap_after_code_motion_p.
15817 * rtl.h (may_trap_after_code_motion_p): Declare.
15819 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15821 * emit-rtl.c (immed_double_const): Cleanup.
15823 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15825 Fix PR tree-optimization/26376
15826 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15829 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15831 PR middle-end/26412
15832 * gimplify.c (omp_add_variable): Guard variable size decl test with
15833 DECL_SIZE (decl) check.
15835 2006-02-23 Richard Guenther <rguenther@suse.de>
15837 PR middle-end/26439
15838 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15839 like aggregate types.
15841 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15843 * configure.ac: Add --with{,out}-long-double-128 configure option.
15844 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15845 * configure: Rebuilt.
15846 * config.in: Rebuilt.
15847 * doc/install.texi (Options specification): Document
15848 --with-long-double-128.
15850 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15851 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15852 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15853 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15855 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15857 * config/s390/s390.c (override_options): Handle
15858 TARGET_DEFAULT_LONG_DOUBLE_128.
15860 * config/alpha/alpha.c (override_options): Handle
15861 TARGET_DEFAULT_LONG_DOUBLE_128.
15863 * config/sparc/sparc.c (sparc_override_options): Handle
15864 TARGET_DEFAULT_LONG_DOUBLE_128.
15866 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15868 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15869 (real-install-headers-tar, real-install-headers-cpio)
15870 (real-install-headers-cp): New targets.
15872 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15874 * tree.h (variable_section): Delete.
15875 * varasm.c (variable_section): Delete.
15877 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15879 * install.texi: Add notes on install.texi2html.
15880 (Building in parallel): Do not use footnotes.
15882 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15885 * doc/install.texi (Configuration): Document --disable-libgomp.
15887 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15889 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15891 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15893 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15894 (vec_extractv2df_0_sse): New.
15896 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15898 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15899 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15900 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15901 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15902 to the result of the expression.
15903 (def_cfa_1): Adjust.
15904 (frame_pointer_cfa_offset): Rename to...
15905 (frame_pointer_fb_offset): ... this. Adjust all uses.
15906 (convert_cfa_to_loc_list): Rename to...
15907 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15908 Pass it on to build_cfa_loc.
15909 (compute_frame_pointer_to_cfa_displacement): Rename to...
15910 (compute_frame_pointer_to_fb_displacement): ... this. New
15911 offset parameter. Use it in computation.
15912 (gen_subprogram_die): Compute cfa_fb_offset with the new
15913 macro, and use it to compute the fb loc list and the
15916 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15918 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15919 replaced with register_operand.
15920 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15921 non-DREG is expensive.
15922 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15923 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15926 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15928 * doc/install.texi2html: Use set -e.
15930 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15932 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15933 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15934 * doc/invoke.texi (-fshared-data): Delete.
15935 * common.opt (fshared-data): Delete.
15936 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15937 (assemble_static_space): Remove #if 0 code.
15938 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15939 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15940 * config/cris/cris.h: Remove FIXME.
15942 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15944 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15947 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15949 PR middle-end/26379
15950 * combine.c (simplify_shift_const_1): Disable nested shifts
15951 optimization for vector shifts.
15953 2006-02-20 Roger Sayle <roger@eyesopen.com>
15955 PR tree-optimization/26361
15956 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15957 of unsigned integer types.
15959 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15961 * tree-chrec.c (eq_evolutions_p): New.
15962 * tree-chrec.h (eq_evolutions_p): Declared.
15963 * tree-data-ref.c: Fix formatting.
15964 (datadep_stats, dependence_stats): New.
15966 (print_direction_vector): New.
15967 (dump_data_dependence_relation): Use print_direction_vector.
15968 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15969 (compute_subscript_distance): Static.
15970 (initialize_data_dependence_relation): Static. Get the number
15971 of loops surrounding the references from the callers, and initialize
15972 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15973 base_object_differ_p analyzers.
15974 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15975 compute_overlap_steps_for_affine_1_2,
15976 analyze_subscript_affine_affine): Count the classified dependences.
15977 Print a message when a test failed.
15978 (can_use_analyze_subscript_affine_affine): New.
15979 (analyze_siv_subscript): Compute the data dependences on symbolic
15980 scevs that verify can_use_analyze_subscript_affine_affine.
15981 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15982 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
15983 Handle symbolic scevs.
15984 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15986 (subscript_dependence_tester): Moved...
15987 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15988 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15989 DDR_SIZE_VECT instead of getting it in parameter.
15990 (subscript_dependence_tester): ... here. Take as a parameter
15991 loop_nest_depth. Call build_classic_dist_vector and
15992 build_classic_dir_vector.
15993 (compute_affine_dependence): Update subscript_dependence_tester
15994 parameters. Update datadep_stats counters. Call
15995 compute_subscript_distance.
15996 (compute_self_dependence): Save the dist and dir vectors. Call
15997 compute_subscript_distance.
15998 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15999 (compute_all_dependences): Reorder parameters as they were before
16000 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16001 compute_subscript_distance. Update the use of
16002 compute_affine_dependence and initialize_data_dependence_relation.
16003 (find_data_references_in_loop): Handle COMPONENT_REF.
16004 (compute_data_dependences_for_loop): Initialize dependence_stats.
16005 Don't call build_classic_dist_vector and build_classic_dir_vector.
16006 Update the parameters of initialize_data_dependence_relation and
16007 compute_all_dependences. Print the statistics from datadep_stats.
16008 (analyze_all_data_dependences): Static. Not used until the pass for
16009 checking the data dependences is contributed.
16010 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16011 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16012 (initialize_data_dependence_relation, compute_affine_dependence,
16013 analyze_all_data_dependences, compute_subscript_distance): Removed.
16014 (print_direction_vector): New.
16015 * lambda.h (gcd): ... here.
16016 (lambda_vector_gcd): Moved here from gcd_vector.
16017 * lambda-code.c (gcd, gcd_vector): Removed.
16018 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16019 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16021 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16023 * ipa-type-escape.c: Tidy some comments and white space.
16024 * tree-ssa-operands.c: Likewise.
16026 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16029 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16030 (dump_decl_name): Do not walk the decl tree chains.
16031 * tree-pass.h (TDF_CHAIN): Remove.
16033 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16035 * Makefile.in (C): Remove
16037 (.PHONY): Remove C and PROTO
16039 2006-02-20 Roger Sayle <roger@eyesopen.com>
16041 PR middle-end/26236
16042 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16043 deprecated CHAR_TYPE tree code.
16045 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16047 * configure.ac (target_list): Add install-info, dvi, html.
16048 * configure: Regenerate.
16050 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16051 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16052 treelang/Make-lang.in: Do not use double-colon rules.
16054 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16056 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16057 (TMT_USED_ALONE): New macro.
16058 * tree-pass.h (PROP_tmt_usage): New property.
16059 (TODO_update_tmt_usage): New todo.
16060 * tree-ssa-alias.c (updating_used_alone): New variable.
16061 (recalculate_used_alone): New function.
16062 (compute_may_aliases): Set updating_used_alone, call
16063 recalculate_used_alone.
16064 * tree-sra.c (pass_sra): Note that this pass destroys
16065 PROP_tmt_usage, and add TODO_update_tmt_usage.
16066 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16067 * tree-flow.h (updating_used_alone): Prototype.
16068 (recalculate_used_alone): Ditto.
16069 * passes.c (execute_todo): Add code to set updating_used_alone,
16070 and call recalculate.
16071 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16072 for clobber if used alone, and add assert to verify used_alone
16075 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16077 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16078 for non tls symbols added.
16079 (legitimize_address): Do nothing for PLUS expressions if one of the
16080 addends is a tls symbol reference.
16082 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16086 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16088 * Makefile.in (BOOTSTRAPPING): New.
16089 (quickstrap): New definition if BOOTSTRAPPING=yes.
16091 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16092 * configure.ac: Substitute all_selected_languages with the languages
16093 that were configured. For all the other variables except
16094 lang_specs_files, include all the languages in the tree.
16095 * configure: Regenerate.
16097 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16098 if there is one. Run the commands to run fixincludes in the same
16101 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16102 * doc/install.texi: Document exact conventions for searching target tools.
16103 Document --with-build-time-tools. Document toplevel bootstrap. Document
16104 something more about building an Ada cross-compiler. Don't list GNU Make
16105 requirements which affect all platforms.
16107 2006-02-19 Roger Sayle <roger@eyesopen.com>
16109 PR middle-end/19543
16110 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16111 only equivalent if the have both the same mode and precision.
16113 2006-02-20 Ben Elliston <bje@au.ibm.com>
16115 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16117 2006-02-19 Roger Sayle <roger@eyesopen.com>
16118 Steven Bosscher <stevenb.gcc@gmail.com>
16120 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16121 constant pool references to identify stack mode constants.
16122 * rtlanal.c (constant_pool_constant_p): New predicate to check
16123 whether operand is a floating point constant in the pool.
16124 * rtl.h (constant_pool_constant_p): Prototype here.
16125 * loop.c (scan_loop): Avoid hoisting constants from the constant
16126 pool on STACK_REGS targets.
16127 (load_mems): Likewise.
16128 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16129 loads into x87 registers expensive in terms of register pressure.
16131 2006-02-19 Roger Sayle <roger@eyesopen.com>
16133 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16134 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16136 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16138 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16139 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16141 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16143 * doc/invoke.texi: Document -fipa-pta.
16144 * common.opt: Add ipa-pta option.
16145 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16146 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16147 (do_ds_constraint): Ditto.
16148 (get_constraint_for): Only add to referenced_vars if
16149 referenced_vars exists.
16150 (insert_into_field_list): Rewrite to do this unsorted.
16151 (insert_into_field_list_sorted): Rename old insert_into_field_list
16153 (create_function_info_for): Use insert_into_field_list_sorted.
16154 (create_variable_info_for): Rewrite so it uses unsorted version,
16155 since the field list is sorted.
16156 (intra_create_variable_infos): Only add to referenced_vars if
16157 referenced_vars exists.
16158 (ipa_pta_execute): Init heapvars, and delete when done.
16159 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16161 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16163 * doc/install.texi: Add missing `@samp'.
16165 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16167 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16170 2006-02-18 Mark Wielaard <mark@klomp.org>
16172 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16173 who added new 4.1 features, bug fixes and integration support.
16175 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16178 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16179 MEM for ABI_V4 pic.
16181 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16183 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16184 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16185 (copy_insn_1): Likewise. Don't copy each field individually.
16187 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16189 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16190 * rtl.c (rtx_size): Rename variable to...
16191 (rtx_code_size): ...this.
16192 (rtx_size): New function.
16193 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16194 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16196 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16197 * rtl.h (rtx_code_size): New variable.
16198 (rtx_size): Change from a variable to a function.
16199 (RTX_SIZE): Rename to...
16200 (RTX_CODE_SIZE): ...this.
16203 PR tree-optimization/17106
16204 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16205 (Anchored Addresses): New section.
16206 * doc/invoke.texi (-fsection-anchors): Document.
16207 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16208 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16209 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16210 * hooks.c (hook_bool_mode_rtx_false): New function.
16211 * hooks.h (hook_bool_mode_rtx_false): Declare.
16212 * gengtype.c (create_optional_field): New function.
16213 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16214 SYMBOL_REF_IN_BLOCK_P is true.
16215 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16216 (min_anchor_offset, max_anchor_offset): Likewise.
16217 (use_anchors_for_symbol_p): New hook.
16218 * toplev.c (compile_file): Call output_object_blocks.
16219 (target_supports_section_anchors_p): New function.
16220 (process_options): Check that -fsection-anchors is only used on
16221 targets that support it and when -funit-at-a-time is in effect.
16222 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16223 if the decl doesn't have one.
16224 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16225 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16226 of force_const_mem through use_anchored_address.
16227 (expand_expr_constant): New function.
16228 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16229 calling expand_expr for INDIRECT_REF.
16230 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16231 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16232 * expr.h (use_anchored_address): Declare.
16233 * loop-unroll.c: Don't declare rtx vectors here.
16234 * explow.c: Include output.h.
16235 (validize_mem): Call use_anchored_address.
16236 (use_anchored_address): New function.
16237 * common.opt (-fsection-anchors): New switch.
16238 * varasm.c (object_block_htab, anchor_labelno): New variables.
16239 (hash_section, object_block_entry_eq, object_block_entry_hash)
16240 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16241 (use_blocks_for_decl_p, change_symbol_section): New functions.
16242 (get_variable_section): New function, split out from assemble_variable.
16243 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16244 use_blocks_for_decl_p say so. Use change_symbol_section if the
16245 symbol has already been created.
16246 (assemble_variable_contents): New function, split out from...
16247 (assemble_variable): ...here. Don't output any code for
16248 block symbols; just pass them to place_block_symbol.
16249 Use get_variable_section and assemble_variable_contents.
16250 (get_constant_alignment, get_constant_section, get_constant_size): New
16251 functions, split from output_constant_def_contents.
16252 (build_constant_desc): Create a block symbol if use_object_blocks_p
16253 says so. Or into SYMBOL_REF_FLAGS.
16254 (assemble_constant_contents): New function, split from...
16255 (output_constant_def_contents): ...here. Don't output any code
16256 for block symbols; just pass them to place_section_symbol.
16257 Use get_constant_section and get_constant_alignment.
16258 (force_const_mem): Create a block symbol if use_object_blocks_p and
16259 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16260 (output_constant_pool_1): Add an explicit alignment argument.
16261 Don't switch sections here.
16262 (output_constant_pool): Adjust call to output_constant_pool_1.
16263 Switch sections here instead. Don't output anything for block symbols;
16264 just pass them to place_block_symbol.
16265 (init_varasm_once): Initialize object_block_htab.
16266 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16267 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16268 (place_block_symbol, get_section_anchor, output_object_block)
16269 (output_object_block_htab, output_object_blocks): New functions.
16270 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16271 (TARGET_ASM_OUT): Include it.
16272 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16273 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16274 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16275 (TARGET_INITIALIZER): Include them.
16276 * rtl.c (rtl_check_failed_block_symbol): New function.
16277 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16278 (block_symbol, object_block): New structures.
16279 (rtx_def): Add a block_symbol field to the union.
16280 (BLOCK_SYMBOL_CHECK): New macro.
16281 (rtl_check_failed_block_symbol): Declare.
16282 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16283 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16284 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16285 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16286 * output.h (output_section_symbols): Declare.
16287 (object_block): Name structure.
16288 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16289 (default_use_anchors_for_symbol_p): Declare.
16290 * Makefile.in (RTL_BASE_H): Add vec.h.
16291 (explow.o): Depend on output.h.
16292 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16293 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16294 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16295 (rs6000_use_blocks_for_constant_p): New function.
16297 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16299 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16301 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16304 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16307 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16309 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16313 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16315 PR middle-end/26334
16316 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16317 instead of DECL_REGISTER.
16319 2006-02-18 Olivier Hainque <hainque@adacore.com>
16322 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16324 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16327 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16328 * opth-gen.awk: Handle Var and InverseMask together.
16329 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16330 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16331 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16332 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16334 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16335 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16336 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16337 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16338 LINUX_DYNAMIC_LINKER): Define.
16339 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16340 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16342 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16343 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16344 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16346 (TARGET_C99_FUNCTIONS): Don't define.
16347 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16348 GLIBC_DYNAMIC_LINKER.
16349 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16350 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16351 GLIBC_DYNAMIC_LINKER64): Define.
16352 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16353 LINUX_DYNAMIC_LINKER64.
16354 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16355 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16356 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16358 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16359 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16360 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16361 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16362 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16364 and LINUX_DYNAMIC_LINKER32.
16365 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16366 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16367 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16369 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16371 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16372 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16373 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16374 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16375 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16376 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16377 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16378 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16379 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16380 LINUX_DYNAMIC_LINKER): Define.
16381 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16382 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16383 GLIBC_DYNAMIC_LINKER64): Define.
16384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16385 LINUX_DYNAMIC_LINKER64.
16386 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16387 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16388 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16389 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16390 LINUX_DYNAMIC_LINKER): Define.
16391 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16392 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16393 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16394 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16395 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16396 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16397 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16398 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16399 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16400 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16402 * doc/invoke.texi (-muclibc): Remove caveat about supported
16405 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16407 * doc/cpp.texi (__TIMESTAMP__): Document.
16409 2006-02-17 Roger Sayle <roger@eyesopen.com>
16411 PR middle-end/25600
16412 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16413 C is one less than the width of X (and related transformations).
16414 * simplify-rtx.c (simplify_unary_operation_1): Transform
16415 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16416 depending on STORE_FLAG_VALUE, were C is one less then the
16419 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16421 Fix PR tree-optimization/26341
16422 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16423 about NAME_MEMORY_TAG's.
16425 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16428 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16429 with hardware float support, and software float support. Add fcpy
16430 alternative to hardware patterns. Add alternatives to copy between
16431 general and floating-point registers to the 32-bit pattern.
16432 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16433 secondary reload to load a QI or HI mode constant into a floating
16435 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16436 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16438 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16441 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16443 (load_macho_picbase_di): Likewise.
16445 2006-02-16 Jeff Law <law@redhat.com>
16447 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16448 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16449 (ssa_name_nonzero_p): Likewise.
16450 (get_value_range): Return NULL if VRP is not running.
16451 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16452 VRP routines do not discover a range.
16453 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16454 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16455 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16456 (tree_expr_nonnegative_p): Similarly.
16457 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16458 (restore_nonzero_vars_to_original_value): Remove.
16459 (unsafe_associative_fp_binop): Remove.
16460 (tree_ssa_dominator_optimize): Remove initialization and
16461 finalization of nonzero_vars and nonzero_vars_stack.
16462 (dom_opt_initialize_block): No longer push marker on
16463 nonzero_vars_stack.
16464 (dom_opt_finalize_block): No longer call
16465 restore_nonzero_vars_to_original_value.
16466 (record_equivalences_from_phis): No longer look for
16467 nonzero PHI arguments.
16468 (cprop_into_successor_phis): No longer propagate nonzero
16469 property into PHI arguments. Lose unused argument. Caller
16471 (record_equivalences_from_stmt): No longer record nonzero
16472 values for SSA_NAMEs.
16473 (lookup_avail_expr): No longer use nonzero_vars.
16475 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16476 for sizetype when sizetype is unsigned.
16478 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16480 PR rtl-optimization/25603
16481 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16482 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16483 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16484 with new meaning of SETS.
16486 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16491 * config/linux.opt: New file.
16492 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16493 LINUX_DYNAMIC_LINKER): Define.
16494 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16495 * config.gcc (*-*-linux*): Define extra_options.
16496 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16497 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16498 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16499 GLIBC_DYNAMIC_LINKER.
16500 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16501 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16502 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16503 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16504 * doc/invoke.texi (GNU/Linux Options): New section.
16506 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16508 * config/sparc/sparc.md (setjmp): Rewrite.
16509 (setjmp_32): Delete.
16510 (setjmp_64): Likewise.
16512 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16514 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16517 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16519 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16522 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16524 PR rtl-optimization/26296
16525 * Makefile.in (loop-invariant.c): Add except.h dependency.
16526 * loop-invariant.c: Include except.h.
16527 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16529 2005-02-16 Paul Brook <paul@codesourcery.com>
16531 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16534 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16536 PR rtl-optimization/25636
16537 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16538 when deciding whether an insn is an initializing insn.
16540 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16542 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16543 (tree_code_size): Ditto.
16544 * tree.h (struct tree_memory_tag): Remove parent_var.
16545 (struct tree_struct_field_tag): New.
16548 (union tree_node): Add sft member.
16549 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16551 (create_sft): Add size and offset argument, set SFT_OFFSET and
16553 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16554 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16555 * tree-flow-inline.h (get_subvar_at): Update for
16556 SFT_OFFSET/SFT_SIZE.
16557 (var_can_have_subvars): Ditto.
16558 (overlap_subvar): Ditto.
16559 * print-tree.c (print_node): Print out interesting things for
16561 * tree-flow.h (struct subvar): Remove offset and size members.
16562 * tree-ssa-operands.c (get_expr_operands): Update for
16563 get_indirect_ref_operands changes.
16564 (get_indirect_ref_operands): Call add_virtual_operand instead of
16565 add_stmt_operand. Only recurse on base var if requested.
16566 (access_can_touch_variable): New function.
16567 (add_stmt_operand): Split virtual operand handling into ...
16568 (add_virtual_operand): Here. Add offset, size, and for_clobber
16569 arguments. Prune alias sets.
16570 (add_call_clobber_ops): Call add_virtual_operand.
16572 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16574 PR middle-end/26300
16575 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16577 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16578 than TREE_CODE as index into omp_clause_num_ops array.
16580 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16582 PR rtl-optimization/26184
16583 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16585 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16586 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16587 must_precede, must_follow and tobe_scheduled.
16590 * opts.c (common_handle_option): Free new_option pointer.
16591 * df-core.c (df_analyze): Free postorder pointer.
16593 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16595 * Makefile.in: Fix the examples about the use of stamps
16597 2006-02-15 Michael Matz <matz@suse.de>
16599 PR middle-end/22275
16601 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16602 influenced by maximum_field_alignment or DECL_PACKED.
16603 (update_alignment_for_field): Ditto.
16604 (place_field): Ditto.
16605 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16608 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16610 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16611 (debug_flow_info): Pass it.
16612 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16613 * bb-reorder.c (reorder_basic_blocks): Likewise.
16614 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16615 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16616 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16617 * gcse.c (gcse_main, bypass_jumps): Likewise.
16618 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16619 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16620 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16621 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16622 * rtl.h (dump_flow_info): Adjust prototype.
16623 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16624 * var-tracking.c (variable_tracking_main): Likewise.
16625 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16626 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16629 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16631 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16634 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16636 PR tree-optimization/26209
16637 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16638 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16640 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16642 2006-02-14 Roger Sayle <roger@eyesopen.com>
16644 PR middle-end/23670
16645 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16646 (X,Y) and the corresponding symmetry related transformations.
16647 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16648 (X,Y) and its symmetry related transformations.
16650 2006-02-14 Roger Sayle <roger@eyesopen.com>
16652 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16655 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16657 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16659 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16662 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16663 support COMDAT group.
16664 * configure: Regenerate.
16666 2006-02-14 Roger Sayle <roger@eyesopen.com>
16668 PR middle-end/26279
16669 PR middle-end/26280
16670 PR middle-end/26283
16671 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16673 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16675 Fix PR tree-optimization/26260
16677 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16679 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16680 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16681 * tree-ssa-structalias.c (create_variable_info_for): Use
16682 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16684 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16686 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16688 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16689 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16690 of the ending condition.
16691 * tree-ssa-loop-manip.c: Include params.h.
16692 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16693 tree_unroll_loop): New functions.
16694 * tree-pass.h (pass_loop_prefetch): Declare.
16695 * loop.c (rest_of_handle_loop_optimize): Test for
16696 -fprefetch-loop-arrays-rtl.
16697 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16698 * timevar.def (TV_TREE_PREFETCH): New timevar.
16699 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16700 pass_loop_prefetch): New.
16701 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16702 (cleanup_tree_cfg_loop): Call scev_reset.
16703 * common.opt (fprefetch-loop-arrays-rtl): Add.
16704 * tree-ssa-loop-prefetch.c: New file.
16705 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16706 (new_temp_expr_table): Initialize expr_vars.
16707 (free_temp_expr_table): Cleanup expr_vars.
16708 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16709 expressions from being merged into one.
16710 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16711 (struct tree_niter_desc): Add control, bound and cmp fields.
16712 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16714 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16715 (tree-cfgcleanup.o): Add SCEV_H dependency.
16716 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16717 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16719 2006-02-14 Richard Guenther <rguenther@suse.de>
16721 PR tree-optimization/26258
16722 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16723 in PHI argument processing.
16725 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16727 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16728 new expression in the requested machine mode.
16730 2006-02-13 Roger Sayle <roger@eyesopen.com>
16732 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16733 directly, instead let do_compare_rtx_and_jump handle this for us.
16734 * expr.c (expand_expr_real_1): Likewise.
16735 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16736 before do_jump_by_parts_greater.
16737 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16738 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16740 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16742 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16744 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16746 PR rtl-optimization/26235
16747 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16748 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16751 2006-02-13 Jeff Law <law@redhat.com>
16753 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16756 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16758 PR middle-end/26092
16759 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16760 twice if decl is a builtin. When trying again, call get_callee_fndecl
16761 first to verify it is still a builtin.
16763 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16765 * dwarf2out.c (base_type_die): Don't add AT_name here.
16766 (subrange_type_die): Don't add AT_name here.
16767 (modified_type_die): Rearrange code flow. Do add AT_name here.
16769 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16771 PR rtl-optimization/26247
16772 PR rtl-optimization/26248
16773 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16775 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16777 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16778 * config/fixtfdi.c: Likewise.
16779 * config/fixunstfdi.c: Likewise.
16780 * config/floatditf.c: Likewise.
16782 2006-02-13 Roger Sayle <roger@eyesopen.com>
16784 PR middle-end/24427
16785 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16786 into (X,C2) if C1 is a subset of the bits of C2. Transform
16787 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16789 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16791 2006-02-13 Josh Conner <jconner@apple.com>
16794 * varasm.c (function_section): Check for section name before
16795 calling select_section on targets that define
16796 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16797 unlikely_text_section instead of hot_function_section if
16798 first_function_block_is_cold.
16800 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16802 PR middle-end/25335
16803 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16805 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16807 PR rtl-optimization/26222
16808 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16809 after tree->rtl expansion.
16810 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16811 before passing it to emit_move_insn.
16813 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16815 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16817 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16818 Clarify documentation.
16819 * c-common.h (warn_write_strings): Remove.
16820 * c-common.c (warn_write_strings): Likewise.
16821 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16824 2006-02-12 Roger Sayle <roger@eyesopen.com>
16826 PR middle-end/25724
16827 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16828 (do_jump_parts_zero_rtx): New function renamed from
16829 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16830 (do_jump_parts_equality_rtx): New function split out from
16831 do_jump_parts_equality. Old implementation renamed as above.
16832 Call do_jump_parts_zero_rtx if either operand is zero.
16833 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16834 do all of the heavy lifting.
16835 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16836 calling either do_jump_by_parts_greater_rtx or
16837 do_jump_by_parts_equality_rtx.
16838 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16839 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16840 moved to do_compare_rtx_and_jump, call it directly.
16841 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16842 mode argument. Call do_compare_rtx_and_jump.
16843 (emit_case_nodes): Update calls to do_jump_if_equal.
16845 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16847 PR rtl-optimization/26225
16848 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16850 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16852 PR rtl-optimization/26232
16853 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16855 2006-02-11 Jason Merrill <jason@redhat.com>
16858 * tree-inline.c (declare_return_variable): Just don't use the
16859 modify target if it's a gimple complex reg and the return slot
16862 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16864 * doc/contrib.texi: Update my entry.
16866 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16868 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16870 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16872 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16875 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16877 * doc/invoke.texi (-floop-optimize2): Removed.
16878 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16879 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16880 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16881 * common.opt (floop-optimize2): Removed.
16882 (fmove-loop-invariants): Enabled by default.
16884 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16886 * tree-if-conv.c (combine_blocks): Free the result of
16887 get_loop_exit_edges.
16889 2006-02-10 Jeff Law <law@redhat.com>
16891 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16893 PR tree-optimization/26213
16894 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16895 loop trying to follow SSA_NAME_VALUE chains.
16897 2006-02-10 Richard Guenther <rguenther@suse.de>
16899 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16900 deal with structures that end in implicitly variable sized arrays.
16902 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16904 PR rtl-optimization/24762
16905 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16908 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16910 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16911 (struct ivopts_data): Add regs_used field.
16912 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16913 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16914 instead of loop_data->regs_used;
16915 (free_loop_data): Do not free aux fields for loops.
16916 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16917 and tree_ssa_iv_optimize_finalize.
16919 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16921 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16923 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16926 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16927 computing the effective result type.
16929 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16931 PR inline-asm/16194
16932 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16933 (tree_overlaps_hard_reg_set): Declare.
16934 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16935 type and signature to match function type expected by walk_tree.
16936 (tree_overlaps_hard_reg_set): New function.
16937 (decl_conflicts_with_clobbers_p): Rename to:
16938 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16939 Use tree_overlaps_hard_reg_set. Changed caller.
16940 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16941 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16942 * cris.c (cris_md_asm_clobbers): Likewise.
16944 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16946 * reload1.c (emit_input_reload_insns): Delete code that tries to
16947 inherit using find_equiv_reg.
16949 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16951 * c-common.h (flag_const_strings): Don't declare.
16952 * c-common.c (flag_const_strings): Remove.
16953 * c.opt (fconst_strings): Remove.
16954 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16955 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16956 (c_common_init_options): Don't set flag_const_strings.
16957 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16959 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
16961 * arm.md (tlobits_cbranch): New pattern.
16962 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
16963 testing a single bit.
16965 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16968 * tree-ssa-pre.c (create_component_ref_by_pieces):
16969 Handle RETURN_DECL like VAR_DECL.
16971 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16973 PR middle-end/26134
16974 * fold-const.c (fold_indirect_ref_1): Fold
16975 "*(foo *)&complexfoo" to "__real__ complexfoo"
16976 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16978 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16980 * tree-flow-inline.h (var_can_have_subvars):
16981 Volatile variables should not have subvariables.
16983 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16986 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16987 multiplying unsigned values.
16990 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16992 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16994 2006-02-08 Jason Merrill <jason@redhat.com>
16997 * tree.def: Elaborate on difference from MODIFY_EXPR.
16998 * doc/c-tree.texi (INIT_EXPR): Likewise.
16999 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17000 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17001 (gimplify_target_expr): Likewise.
17002 (gimplify_cond_expr): Remove target handling.
17003 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17004 (gimplify_expr): Clobber it here.
17005 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17006 Do return slot optimization if we have an INIT_EXPR.
17009 * tree-inline.c (declare_return_variable): Also clear
17010 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17013 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17015 PR middle-end/22439
17016 * gimplify.c (gimplify_one_sizepos): Fix typo.
17018 2006-02-08 Jeff Law <law@redhat.com>
17020 PR tree-optimization/21417
17021 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17022 across a backedge if the control statement at the end of the
17023 block is data dependent on other statements in the same block.
17024 (record_temporary_equivalences_from_stmts): Remove over-conservative
17025 test for threading across backedges.
17027 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17028 control statement, handle all three special cases in the same
17029 manner as they all have the same desired solution. No longer
17030 special case edge flag updating when the post dominator is
17033 2006-02-08 Roger Sayle <roger@eyesopen.com>
17035 * tree.def (CHAR_TYPE): Remove.
17036 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17037 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17038 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17039 (gen_string_type_die): Delete unreachable function.
17041 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17042 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17043 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17044 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17045 * builtins.c (type_to_class): Likewise.
17046 * fold-const.c (fold_convert, build_range_check,
17047 merge_ranges): Likewise.
17048 * expr.c (count_type_elements): Likewise.
17049 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17050 * stor-layout.c (layout_type): Likewise.
17051 * ipa-type-escape.c (type_to_consider): Likewise.
17052 * gimplify.c (omp_firstprivatize_type_sizes,
17053 gimplify_type_sizes): Likewise.
17054 * explow.c (promote_mode): Likewise.
17055 * tree-sra.c (is_sra_scalar_type): Likewise.
17056 * varasm.c (output_constant): Likewise.
17057 * tree-inline.c (remap_type_1): Likewise.
17058 * convert.c (convert_to_pointer, convert_to_real,
17059 convert_to_integer, convert_to_complex): Likewise.
17061 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17063 * df-scan.c (df_def_record_1): A set destination may
17064 be a parallel regardless of mode.
17066 2006-02-08 Roger Sayle <roger@eyesopen.com>
17069 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17070 * config/mips/_tilib.c: Remove.
17071 * config/fixtfdi.c: New libgcc source file.
17072 * config/fixunstfdi.c: New source file.
17073 * config/floatditf.c: New source file.
17074 * config/floatunditf.c: New souce file.
17075 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17076 files above instead of config/mips/_tilib.c.
17077 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17079 2006-02-08 Jeff Law <law@redhat.com>
17081 PR tree-optimization/26169
17082 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17085 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17087 * df.h (DF_REG_SIZE): Return the length of the initialized
17090 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17092 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17093 __muldf3): Return a correctly signed zero.
17095 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17097 * passes.c (register_one_dump_file): Accept the current properties
17098 instead of pass number. Adjust call to dump_register. Remove
17100 (register_dump_files): Now a wrapper around...
17101 (register_dump_files_1): ... this one. Do not modify the pass
17103 (next_pass_1): Cosmetic fix.
17104 (execute_todo): Keep second parameter only. Use curr_properties
17105 instead of fetching it from the pass structure. Check and set
17107 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17108 instead of fetching it from the pass structure. Fix calls to
17109 execute_todo. Update curr_properties and initialize .vcg RTL dump
17110 after running the pass. Reset last_verified.
17111 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17113 (FIRST_AUTO_NUMBERED_DUMP): New.
17114 (dump_register): Remove "num" parameter, assign it within the
17116 (get_dump_file_name): Modify template for dumps.
17117 * tree-dump.h (dump_register): Adjust prototype.
17118 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17119 (PROP_trees): Add PROP_gimple_lomp.
17120 (TODO_set_props): New.
17121 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17122 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17123 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17125 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17127 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17128 (sparc64-*-linux*): Likewise.
17129 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17130 * config/sparc/t-linux: New file.
17131 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17132 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17133 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17134 -m32 -mlong-double-128.
17136 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17137 * config/alpha/t-linux: New file.
17138 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17140 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17141 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17142 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17143 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17144 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17145 (CPP_ARCH32_SPEC): Remove.
17147 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17149 PR tree-optimization/26145
17150 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17153 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17156 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17157 >= 240000 when generating code for SOM runtime.
17158 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17159 to $$dyncall when generating code for SOM runtime..
17161 2006-02-07 Dirk Mueller <dmueller@suse.com>
17164 * doc/invoke.texi (-Wsequence-point): Update documentation
17165 that -Wsequence-point is implemented for C++ as well.
17167 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17169 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17170 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17171 (LIB_SPEC): Likewise.
17172 * doc/invoke.texi (SPARC options): Document -pthread.
17174 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17176 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17179 2006-02-07 Roger Sayle <roger@eyesopen.com>
17181 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17182 Correct comment describing BOOLEAN_TYPE.
17184 2006-02-07 Dirk Mueller <dmueller@suse.com>
17186 * c.opt: C++ frontend supports -Wdiv-by-zero.
17187 * c-opts.c (c_common_handle_option): Remove dead case.
17189 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17191 * configure.ac (TLS assembler check): Do not enable TLS by
17192 default on SPARC/Solaris before version 10.
17193 * configure: Regenerate.
17195 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17197 * doc/invoke.texi (xl-compat): Document conversion and support
17200 2006-02-07 Jeff Law <law@redhat.com>
17202 * tree-vrp.c (find_conditional_asserts): Update comments.
17203 (simplify_stmt_for_jump_threading): New.
17204 (identify_jump_threads, finalize_jump_threads): New.
17205 (vrp_finalize): Call identify_jump_threads.
17206 (execute_vrp): Call finalize_jump_threads.
17207 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17208 (vrp_element, vrp_data, vrp_element_p): Remove.
17209 (vrp_hash_elt, vrp_variables_stack): Remove.
17210 (vrp_hash, vrp_eq, record_range): Remove.
17211 (simplify_cond_and_lookup_avail_expr): Remove.
17212 (extract_range_from_cond): Remove.
17213 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17214 (simplify_stmt_for_jump_threading): New.
17215 (dom_thread_across_edge): New wrapper.
17216 (tree_ssa_dominator_optimize): No longer initialize or
17217 finalize any of the VRP datastructures. Remove iteration
17218 step and simplify as a result of removal of iteration step.
17219 (pass_dominator): Perform a cfg cleanup after DOM.
17220 (dom_opt_finalize_block): Use the new common routines
17221 for threading jumps. Simplify stack management slightly.
17222 No longer need to unwind VRP state.
17223 (record_equivalences_from_incoming_edge): No longer record
17225 (eliminate_redundant_computations): No longer call
17226 simplify_cond_and_lookup_avail_expr.
17227 * tree-flow.h (potentially_threadable_block): Prototype.
17228 (thread_across_edge): Likewise.
17229 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17230 (tree-ssa-threadedge.o): Add dependencies.
17231 * tree-ssa-threadedge.c: New file.
17232 * passes.c (init_optimization_passes): Merge PHIs before
17233 calling VRP. Run VRP again late in the SSA optimization pipeline.
17235 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17237 * df-core.c (df_set_blocks): Do not dereference function pointers.
17238 (df_finish1): Likewise.
17239 (df_hybrid_search_forward): Likewise.
17240 (df_hybrid_search_backward): Likewise.
17241 (df_iterative_dataflow): Likewise.
17242 (df_analyze_problem): Likewise.
17243 (df_compact_blocks): Likewise.
17244 (df_dump): Likewise.
17245 * df-scan.c (df_rescan_blocks): Likewise.
17246 (df_record_entry_block_defs): Likewise.
17248 * genconditions.c (write_conditions): Guard the definition of
17249 'insn_conditions' with the check on GCC version.
17250 (write_writer): Guard the traversal 'insn_conditions' with
17251 the check on GCC version.
17253 2006-02-07 Richard Guenther <rguenther@suse.de>
17257 2006-01-30 Richard Guenther <rguenther@suse.de>
17259 * gimplify.c (gimplify_target_expr): Handle easy cases
17260 without creating a temporary.
17262 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17264 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17265 use of float in probability computations. Use edge probabilities
17266 in place of statically computed probabilities.
17267 (min_spec_prob): New static variable.
17268 (schedule_insns): Initialize it.
17269 (GET_SRC_PROB): Removed.
17270 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17272 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17275 * config/ia64/unwind-ia64.c: Revert last change.
17276 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17277 (INCOMING_FRAME_SP_OFFSET): Define.
17279 2006-02-06 Roger Sayle <roger@eyesopen.com>
17281 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17283 2006-02-07 Ben Elliston <bje@au.ibm.com>
17285 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17286 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17287 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17288 (ix86_return_in_memory): Handle TDmode.
17289 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17290 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17292 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17294 * reorg.c (dbr_schedule): Use dump_file instead of file.
17296 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17299 * config/ia64/predicates.md (extr_len_operand): New predicate.
17300 * config/ia64/ia64.md (extv): Tighten constraints.
17302 (*tbit_and_2): Ditto.
17303 (*tbit_and_3): Ditto.
17304 (*tbit_or_2): Ditto.
17305 (*tbit_or_3): Ditto.
17306 (*bit_zero): Ditto.
17309 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17312 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17314 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17316 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17317 loop_optimizer_init and loop_optimizer_finalize
17318 * tree-ssa-sink.c (execute_sink_code): Ditto.
17319 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17320 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17321 tree_ssa_loop_done): Ditto.
17322 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17323 * sched-ebb.c: Include output.h.
17324 (schedule_ebbs): Do not use dump argument.
17325 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17326 * loop.c (loop_dump_stream): Removed.
17327 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17329 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17330 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17331 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17332 loop_iterations, strength_reduce, record_biv, record_giv,
17333 final_giv_value, check_final_value, check_ext_dependent_givs,
17334 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17335 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17336 dump_file instead of loop_dump_stream.
17337 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17338 argument dump_file.
17339 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17341 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17342 * haifa-sched.c: Include output.h
17343 (schedule_insns, sched_init): Do not use dump argument.
17344 * mode-switching.c (optimize_mode_switching): Ditto.
17345 * modulo-sched.c (stats_file): Removed.
17346 (print_node_sched_params): Do not call argument dump_file.
17347 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17348 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17350 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17352 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17353 rtl_loop_init, rtl_loop_done): Ditto.
17354 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17355 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17357 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17358 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17359 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17360 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17361 * emit-rtl.c (renumber_insns): Ditto.
17362 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17363 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17364 * regclass.c (regclass): Ditto.
17365 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17366 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17367 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17368 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17370 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17371 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17373 * gcse.c (gcse_file, debug_stderr): Removed.
17374 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17375 rest_of_handle_gcse): Do not use dump argument.
17376 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17377 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17378 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17379 compute_code_hoist_vbeinout, compute_code_hoist_data,
17380 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17381 compute_store_table, build_store_vectors, insert_insn_start_bb,
17382 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17383 store_motion): Use dump_file instead of gcse_file.
17384 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17385 * profile.c (profile_dump_file): Removed.
17386 (branch_prob): Use dump_file instead of profile_dump_file.
17387 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17389 * tree-ssa-copy.c (dump_copy_of): Ditto.
17390 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17391 dump file to life_analysis.
17392 * bt-load.c (branch_target_load_optimize): Ditto.
17393 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17395 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17396 regclass, dbr_schedule): Declaration changed.
17397 * sched-int.h (sched_init): Declaration changed.
17398 * tree-profile.c (tree_profile_dump_file): Removed.
17399 (tree_profile_hooks): Removed profile_dump_file hook.
17400 * rtl-profile (rtl_profile_dump_file): Removed.
17401 (rtl_profile_hooks): emoved profile_dump_file hook.
17402 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17404 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17405 * tree-cfg.c (build_tree_cfg): Ditto.
17406 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17407 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17408 Declaration changed.
17409 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17410 life_analysis and schedule_insns.
17411 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17413 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17415 * config/mips/mips.c (mips_reorg): Ditto.
17416 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17419 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17421 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17422 (s390_mangle_fundamental_type): New.
17423 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17426 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17427 (alpha_mangle_fundamental_type): New.
17428 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17431 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17433 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17435 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17436 (sparc_mangle_fundamental_type): New.
17438 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17440 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17441 (s390x-*-linux*): Likewise.
17442 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17443 * config/s390/t-linux: New file.
17445 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17447 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17448 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17450 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17452 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17453 (ANTIC_SAFE_LOADS): New macro.
17454 (find_or_generate_expression): Add prototype.
17455 (set_contains_value): Allow null set for sake of not always having
17456 to allocate ANTIC_SAFE_LOADS.
17457 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17458 Allow COMPONENT_REF too.
17459 (valid_in_set): Allow COMPONENT_REF.
17460 Check ANTIC_SAFE_LOADS too.
17461 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17462 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17464 (can_PRE_operation): Add COMPONENT_REF.
17465 (create_component_ref_by_pieces): New function.
17466 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17467 (insert_aux): Move AGGREGATE_TYPE_P check here.
17468 (compute_avail): Set bb local stmt uids.
17469 (pass_pre): Use TODO_update_ssa_only_virtuals.
17471 2006-02-06 Ben Elliston <bje@au.ibm.com>
17473 * configure.ac: Unconditionally disable decimal float by default.
17474 * configure: Regenerate.
17476 2006-02-06 Ben Elliston <bje@au.ibm.com>
17478 * read-rtl.c (read_name): Terminate reading on EOF.
17480 2006-02-06 Ben Elliston <bje@au.ibm.com>
17482 * dfp.c (decimal_real_arithmetic): Change second argument type
17483 from int to enum tree_code. Do not always return true, but now
17484 return result of any call to decimal_do helper functions.
17485 * dfp.h (decimal_real_arithmetic): Update prototype.
17487 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17489 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17491 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17494 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17497 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17499 * tree-vrp.c (cfg_loops): Removed.
17500 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17501 Use current_loops instead of cfg_loops. Pass flags to
17502 loop_optimizer_init.
17503 * cfgloopmanip.c (fix_loop_structure): Update only available
17505 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17506 loop_optimizer_init.
17507 * modulo-sched.c (build_loops_structure): Removed.
17508 (sms_schedule): Use loop_optimizer_init.
17509 * loop-init.c (loop_optimizer_init): Use flags to determine
17510 which properties of loops to prepare.
17511 (rtl_loop_init): Pass flags to loop_optimizer_init.
17512 * tree-ssa-sink.c (execute_sink_code): Ditto.
17513 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17514 * tree-ssa-pre.c (init_pre): Ditto.
17515 * cfgloop.h (LOOPS_NORMAL): New.
17516 (loop_optimizer_init): Declaration changed.
17518 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17520 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17521 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17523 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17525 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17527 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17528 * pa/t-pa64: Delete quadlib.c rule.
17529 * pa/x-ada: Revert last change.
17530 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17532 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17534 PR rtl-optimization/26087
17535 * rtlanal.c (canonicalize_condition): Do not cross basic block
17538 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17541 * config/ia64/ia64.c: Include debug.h.
17542 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17543 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17544 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17545 (process_epilogue, process_set, process_for_unwind_directive):
17546 Output unwind info only if requested. Add CFA info if requested.
17547 Add new arguments as needed. Adjust callers.
17548 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17550 (DWARF2_FRAME_INFO): Define to zero.
17551 * config/ia64/unwind-ia64.c: Remove code that compensated for
17552 the CFA offset error fixed above.
17553 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17554 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17555 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17556 -funwind-tables and -fexceptions to enable frame info.
17557 (dwarf2out_frame_init): Define initial CFA even if
17558 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17559 DWARF2_UNWIND_INFO is nonzero, not just defined.
17560 (dwarf2out_frame_finish): Output non-EH call frame info only
17561 if DWARF2_FRAME_INFO is nonzero.
17562 (convert_cfa_to_loc_list,
17563 compute_frame_pointer_to_cfa_displacement): Define even if
17564 unwind info is not supported.
17565 (gen_subprogram_die): Use the above unconditionally. Remove
17566 legacy alternate code.
17567 * toplev.c (compile_file): Compile in call to
17568 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17569 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17571 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17572 Jakub Jelinek <jakub@redhat.com>
17574 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17575 IBM extended float format long double as "g" on powerpc*-linux.
17577 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17580 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17581 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17583 2006-02-03 Jason Merrill <jason@redhat.com>
17586 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17588 PR middle-end/25977
17589 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17590 on the return slot if it's an NRV.
17592 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17594 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17595 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17596 rewrite_use): Do not handle USE_OUTER.
17597 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17598 add_iv_outer_candidates, may_replace_final_value,
17599 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17600 (find_interesting_uses_op): Functionality of
17601 find_interesting_uses_outer_or_nonlin moved here.
17602 (find_interesting_uses_outside): Use find_interesting_uses_op.
17604 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17607 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17609 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17610 Ulrich Weigand <uweigand@de.ibm.com>
17613 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17614 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17615 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17616 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17618 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17619 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17620 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17621 Define secondary reloads for TFmode moves.
17622 (constant_modes): Add TFmode.
17623 (NR_C_MODES): Set to 8.
17624 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17626 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17627 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17628 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17629 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17630 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17631 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17632 (FPR mode macro): Add TFmode.
17633 (DSF mode macro): New.
17634 (<de>, <dee> mode attributes): Removed.
17635 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17636 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17637 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17638 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17639 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17640 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17641 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17642 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17643 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17644 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17645 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17646 "*negabs<mode>2", "sqrt<mode>2"):
17647 Changed <de> to <xde>. R constraint replaced by <Rf>.
17648 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17650 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17651 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17652 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17654 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17655 "extenddftf2", "extendsftf2"): New expanders.
17656 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17657 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17658 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17659 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17661 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17662 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17663 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17664 __floatditf): Add a GCC_4.1.0 symbol version tag.
17665 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17668 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17671 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17672 Use targetm.binds_local_p instead of TREE_PUBLIC.
17674 2006-02-02 Roger Sayle <roger@eyesopen.com>
17676 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17677 on INTEGER_TYPEs to indicate that it denotes a character type.
17678 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17679 signed_char_type_node, unsigned_char_type_node and char_type_node.
17680 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17681 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17682 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17684 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17685 Daniel Berlin <dberlin@dberlin.org>
17687 * tree-tailcall.c (arg_needs_copy_p): New function.
17688 (eliminate_tail_call): Use arg_needs_copy_p.
17689 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17690 (add_virtual_phis): New function.
17692 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17694 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17695 #ignore instead of #scratch for %g7 .register directive.
17697 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17699 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17702 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17704 * flow.c (calculate_global_regs_live): Assert that there aren't any
17707 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17709 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17710 what its name says.
17711 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17712 bsi_after_labels iterator.
17713 * tree-if-conv.c (find_phi_replacement_condition,
17714 replace_phi_with_cond_modify_expr): Likewise.
17715 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17716 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17718 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17720 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17722 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17725 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17726 array after growing it.
17728 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17730 PR middle-end/24901
17731 * fold-const.c (fold_checksum_tree): Change type of buf.
17733 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17735 * reload.c (push_secondary_reload): Initialize t_icode.
17737 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17739 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17740 -msoft-float -mlong-double-128 only issue a warning, but don't
17741 swich to DFmode long double.
17743 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17745 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17746 has a constant equivalent, iterate over equivalents for arg0,
17747 calling simplify_relational_operation and if there's a result
17748 cheaper than X, apply fold_rtx and return the result.
17750 2006-02-01 Jan Hubicka <jh@suse.cz>
17752 * opts.c (no_unit_at_a_time_default): New global variable.
17753 (decode_options): Use it.
17754 * opts.h (no_unit_at_a_time_default): Declare.
17756 2006-02-01 Paul Brook <paul@codesourcery.com>
17758 * function.c (assign_parm_setup_reg): Use function argument promotion
17760 * expr.c (expand_expr_real_1): Use function argument promotion rules
17763 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17765 * gcc.c (process_command): Change j to 'unsigned int'.
17767 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17769 PR middle-end/26001
17770 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17771 Use the corrected index for the character
17772 out of the string constant.
17774 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17776 * mode-switching.c (optimize_mode_switching): Fix size
17777 allocated for bb_info[n_entities].
17779 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17781 * gcc.c (main): Correct type that is allocated for
17782 explicit_link_files.
17784 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17786 * config/s390/s390.c (init_alignment_context): Set
17787 ALIAS_SET_MEMORY_BARRIER on the MEM.
17788 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17790 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17792 PR middle-end/25933
17793 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17795 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17798 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17800 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17801 * regrename.c: Ditto.
17802 * tree-ssa-loop-im.c: Ditto.
17803 * tree-dump.c: Ditto.
17804 * tree-complex.c: Ditto.
17805 * genrecog.c: Ditto.
17806 * tree-ssa-threadupdate.c: Ditto.
17808 * java/class.c: Ditto.
17809 * java/jcf-parse.c: Ditto.
17810 * java/resource.c: Ditto.
17811 * java/except.c: Ditto.
17812 * java/jvspec.c: Ditto.
17813 * java/jcf-write.c: Ditto.
17814 * java/jcf-path.c: Ditto.
17815 * java/gjavah.c: Ditto.
17816 * java/zextract.c: Ditto.
17817 * java/jcf-io.c: Ditto.
17818 * java/jcf.h: Ditto.
17819 * java/buffer.c: Ditto.
17820 * java/lang.c: Ditto.
17821 * java/parse-scan.y: Ditto.
17822 * java/lex.c: Ditto.
17823 * java/lex.h: Ditto.
17824 * cfgloopmanip.c: Ditto.
17825 * postreload-gcse.c: Ditto.
17826 * tree-ssa-loop-manip.c: Ditto.
17827 * postreload.c: Ditto.
17828 * tree-ssa-loop-ch.c: Ditto.
17831 * cppspec.c: Ditto.
17832 * diagnostic.c: Ditto.
17834 * genoutput.c: Ditto.
17836 * cfghooks.c: Ditto.
17837 * cfgloopanal.c: Ditto.
17838 * objc/objc-act.c: Ditto.
17840 * genextract.c: Ditto.
17841 * genautomata.c: Ditto.
17842 * pretty-print.c: Ditto.
17843 * genemit.c: Ditto.
17844 * cgraphunit.c: Ditto.
17846 * df-scan.c: Ditto.
17847 * haifa-sched.c: Ditto.
17848 * dominance.c: Ditto.
17850 * tree-ssa-loop-ivopts.c: Ditto.
17851 * df-core.c: Ditto.
17852 * mode-switching.c: Ditto.
17853 * modulo-sched.c: Ditto.
17855 * ipa-pure-const.c: Ditto.
17857 * fix-header.c: Ditto.
17859 * tree-stdarg.c: Ditto.
17860 * ipa-utils.c: Ditto.
17861 * loop-init.c: Ditto.
17862 * ipa-inline.c: Ditto.
17863 * cfganal.c: Ditto.
17865 * alloc-pool.c: Ditto.
17866 * dwarf2out.c: Ditto.
17868 * genattrtab.c: Ditto.
17869 * tree-ssa-loop-ivcanon.c: Ditto.
17870 * predict.c: Ditto.
17871 * timevar.c: Ditto.
17873 * fortran/gfortranspec.c: Ditto.
17874 * regmove.c: Ditto.
17875 * local-alloc.c: Ditto.
17876 * langhooks.c: Ditto.
17877 * function.c: Ditto.
17878 * tree-vectorizer.c: Ditto.
17880 * ipa-type-escape.c: Ditto.
17882 * tree-if-conv.c: Ditto.
17883 * profile.c: Ditto.
17885 * tree-data-ref.c: Ditto.
17886 * loop-unroll.c: Ditto.
17887 * treelang/treetree.c: Ditto.
17889 * bt-load.c: Ditto.
17890 * ggc-common.c: Ditto.
17892 * coverage.c: Ditto.
17894 * tree-cfgcleanup.c: Ditto.
17895 * tree-ssa-pre.c: Ditto.
17896 * cfgcleanup.c: Ditto.
17897 * loop-invariant.c: Ditto.
17898 * loop-iv.c: Ditto.
17899 * ipa-prop.c: Ditto.
17900 * print-tree.c: Ditto.
17901 * conflict.c: Ditto.
17902 * ggc-page.c: Ditto.
17903 * sched-deps.c: Ditto.
17904 * regclass.c: Ditto.
17905 * tree-object-size.c: Ditto.
17906 * combine.c: Ditto.
17907 * bb-reorder.c: Ditto.
17908 * resource.c: Ditto.
17909 * var-tracking.c: Ditto.
17910 * cfgloop.c: Ditto.
17911 * df-problems.c: Ditto.
17912 * reg-stack.c: Ditto.
17914 * gccspec.c: Ditto.
17915 * sched-rgn.c: Ditto.
17916 * tree-ssa-structalias.c: Ditto.
17917 * tree-ssa-reassoc.c: Ditto.
17918 * config/darwin-c.c: Ditto.
17919 * config/darwin.c: Ditto.
17920 * config/arm/arm.c: Ditto.
17922 * collect2.c: Ditto.
17923 * reload1.c: Ditto.
17925 2006-01-31 Nicolas Pitre <nico@cam.org>
17927 * arm.md (smaxsi3): Make aware of smax_m1.
17930 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17932 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17934 2006-01-31 Richard Guenther <rguenther@suse.de>
17936 * doc/invoke.texi (-msselibm): Document.
17937 * target.h (expand_library_builtin): New target hook.
17938 * builtins.c (expand_builtin): Use expand_library_builtin.
17939 (default_expand_library_builtin): New function.
17940 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17941 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17942 (link_gcc_math_spec): Declare.
17943 (static_specs): Add link_gcc_math_spec.
17944 * expr.h (default_expand_library_builtin): Declare.
17945 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17946 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17947 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17948 * config/i386/i386.opt (msselibm): New target option.
17949 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17950 (ix86_init_sse_abi_builtins): New function.
17951 (ix86_expand_library_builtin): Likewise.
17952 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17953 (override_options): Handle error conditions wrt -msselibm.
17954 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17955 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17956 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17959 2006-01-31 Richard Guenther <rguenther@suse.de>
17960 Paolo Bonzini <bonzini@gnu.org>
17962 * doc/install.texi (--disable-libgcc-math): Document.
17964 2006-01-30 Marcin Dalecki <martin@dalecki.de>
17966 * expr.h (expand_normal): new inline function.
17967 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17968 * dojump.c: use it.
17969 * dwarf2out.c: use it.
17972 * expmed.c: use it.
17973 * except.c: use it.
17974 * config/sparc/sparc.c: use it.
17975 * config/i386/i386.c: use it.
17976 * config/rs6000/rs6000.c: use it.
17977 * config/arm/arm.c: use it.
17978 * config/mips/mips.c: use it.
17979 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17981 2006-01-30 Roger Sayle <roger@eyesopen.com>
17983 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
17984 argv to the appropriate type.
17986 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17988 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17991 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17994 * config/s390/s390.c (struct machine_function): New flag
17995 decomposed_literal_pool_addresses_ok_p.
17996 (s390_reorg): Set it before final stage of literal pool transforms.
17997 (s390_decompose_address): Only accept displacements of the form
17998 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18000 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18002 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18003 the comparison routine return.
18005 2006-01-30 Michael Matz <matz@suse.de>
18007 * global.c (find_reg): Only evict for global regs.
18008 Take n_refs into account and dump more info.
18010 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18013 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18014 (pragma_trap, pragma_nosave_low_regs): Likewise.
18015 (current_function_anonymous_args): Likewise.
18016 (sh_deferred_function_attributes): New variable.
18017 (sh_deferred_function_attributes_tail): Likewise.
18018 (print_operand): For '@', look up trap_exit attribute.
18019 (calc_live_regs): Look up trapa_handler attribute. For trapa
18020 handlers, save/restore fpscr, but don't do any other
18021 interrupt-specific saves.
18022 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18023 Fix check for partially saved registers to check for SHmedia.
18024 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18025 (sh_output_function_epilogue): Don't clear any of the removed
18027 (sh_insert_attributes): Don't check pragma_interrupt.
18028 Insert deferred attributes. Check that interrupt attribute is
18029 present for other attributes that require its presence.
18030 (sh_attribute_table): Add new attributes trapa_handler and
18032 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18033 Don't check for pragma_interrupt. Don't store argument.
18034 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18035 (sh_deferred_function_attributes): Declare.
18036 (sh_deferred_function_attributes_tail): Likewise.
18037 * sh.md (sp_switch_1): Add operand. Change generator caller.
18038 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18039 (*return_i): Don't use when trap_exit attribute is in effect.
18040 (*return_trapa): New insn pattern.
18041 * sh-c.c: New file.
18042 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18043 setting c_target_objs and cxx_target_objs.
18044 * t-sh: Add rule for sh-c.o.
18046 2006-01-30 Richard Guenther <rguenther@suse.de>
18049 * gimplify.c (gimplify_target_expr): Handle easy cases
18050 without creating a temporary.
18052 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18054 * vec.h (safe_grow): Remove duplicated line.
18056 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18059 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18060 (expand_omp): ... here.
18061 (expand_omp_parallel): Only remove barriers for combined
18062 parallel+workshare constructs.
18064 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18068 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18069 * tree.c (build_qualified_type): Chain the new type to the original
18070 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18071 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18072 (build_pointer_type_for_mode): Only return unqualified types.
18073 (build_reference_type_for_mode): Likewise.
18075 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18077 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18078 * Makefile.in (CXX_COMPAT_WARN): Define.
18079 * configure: Regenerate.
18081 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18084 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18087 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18089 * toplev.c: Fix thinko.
18091 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18092 Marcin Dalecki <martin@dalecki.de>
18094 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18095 (push_srcloc): Use XNEW.
18096 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18098 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18100 * df-core.c (df_set_blocks): Deleted all variable.
18102 2006-01-28 Ian Lance Taylor <ian@airs.com>
18104 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18105 cgraph_output_pending_asms.
18107 2006-01-28 Zack Weinberg <zackw@panix.com>
18109 * c.opt: Add -W(no-)overlength-strings.
18110 * doc/invoke.texi: Document it.
18111 * c-opts.c (c_common_handle_option): -pedantic implies
18112 -Woverlength-strings, if not explicitly disabled already.
18113 (c_common_post_options): -Woverlength-strings defaults to off, and
18114 is always off for C++.
18115 * c-common.c (fix_string_type): Issue warning about strings longer
18116 than is portable only if warn_overlength_strings. Rearrange code
18117 a little for clarity.
18118 * configure.in: Check for -Wno-overlength-strings as well before
18119 enabling -pedantic in stage 1.
18120 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18121 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18123 * genconditions.c (write_header, write_one_condition)
18124 (write_conditions, write_writer): Consolidate very long strings
18125 that were broken up to fit in C89 portable limit. Don't use
18126 printf when fputs will do.
18128 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18130 * combine.c (simplify_comparison <AND>): Check
18131 TRULY_NOOP_TRUNCATION before start using a subreg.
18133 * config/mips/mips.md (*branch_zero<mode>,
18134 *branch_zero<mode>_inverted, *branch_equality<mode>,
18135 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18136 Remove mode check from comparisons.
18138 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18140 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18142 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18144 * expmed.c (const_mult_add_overflow_p): Remove.
18145 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18147 * recog.c (validate_replace_rtx_subexp): Remove.
18148 * recog.h: Remove the prototype for
18149 validate_replace_rtx_subexp.
18151 * integrate.h: Remove the prototype for
18152 copy_decl_for_inlining.
18153 * rtl.h: Remove the prototype for mark_constant_function.
18154 * tree-vectorizer.h: Remove the prototype for
18155 vect_strip_conversion.
18157 * modulo-sched.c (create_partial_schedule,
18158 free_partial_schedule, reset_partial_schedule): Make them
18161 * hooks.c (hook_bool_rtx_int_false): Remove.
18162 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18164 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18166 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18167 and -mlong-double-128 are incompatible.
18168 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18169 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18170 (TARGET_LIBGCC2_CFLAGS): Define.
18171 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18172 (TARGET_LIBGCC2_CFLAGS): Same.
18173 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18175 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18178 * c-typeck.c (build_binary_op): Perform implicit casts of
18179 operands before shortening them.
18181 * cfgloopmanip.c (split_loop_bb): Remove.
18182 * cfgloop.h: Remove the prototype for split_loop_bb.
18184 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18185 * cfgloop.h: Remove the prototype for
18186 flow_loop_outside_edge_p.
18188 * emit-rtl.c (init_virtual_regs): Make it static.
18189 * function.h: Remove the prototype for init_virtual_regs.
18191 * recog.c (peephole2_optimize): Make it static.
18192 * recog.h: Remove the prototype for peephole2_optimize.
18194 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18196 * df-scan.c (df_record_entry_block_defs): Check if
18197 INCOMING_RETURN_ADDR_RTX is defined.
18199 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18200 Kenneth Zadeck <zadeck@naturalbridge.com>
18202 PR rtl-optimization/24762
18203 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18204 * targhooks.c (hook_void_bitmap): New hook prototype.
18205 * targhoohs.h (hook_void_bitmap): Ditto.
18206 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18207 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18208 * target.h (live_on_entry): New function pointer.
18209 * df-scan.c (df_all_hard_regs): Removed.
18210 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18211 (df_scan_free_internal): Added df->entry_block_defs.
18212 (df_scan_alloc): Ditto.
18213 (df_scan_dump): Ditto.
18214 (df_uses_record): Plumbed flag field properly thru calls.
18215 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18216 This part fixes PR24762.
18217 (df_bb_refs_record): Added code to make the frame and arg
18218 pointers live in EH blocks.
18219 (df_refs_record): Added call to df_record_entry_block_defs.
18220 (df_record_entry_block_defs): New function.
18221 * df-core.c: Added comments to describe new artifical defs.
18222 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18223 (entry_block_defs): New field in struct df.
18224 (df_all_hard_regs): Deleted.
18225 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18226 * df-problems.c (df_ru_bb_local_compute_process_def):
18227 Added code to handle artifical defs in the entry to a function.
18228 (df_ru_bb_local_compute): Ditto.
18229 (df_rd_bb_local_compute_process_def): Ditto.
18230 (df_rd_bb_local_compute): Ditto.
18231 (df_lr_bb_local_compute): Ditto.
18232 (df_ur_bb_local_compute): Ditto.
18233 (df_urec_bb_local_compute): Ditto.
18234 (df_chain_create_bb): Ditto.
18235 (df_ur_local_finalize): Removed entry.
18236 (df_urec_init): Ditto.
18237 (df_urec_local_finalize): Ditto.
18238 (df_ri_bb_compute): Added detection of last use of pseudos.
18239 * Makefile.in (df-scan.o): Updated dependencies.
18240 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18241 * config/mips/mips.c (mips_set_live_on_entry): Added.
18242 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18244 * dce.c (marked_insn_p): Added code to handle artifical defs.
18246 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18248 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18250 (_mm_cvtsi128_si64): Likewise.
18251 (_mm_cvtsd_si64): Likewise.
18252 (_mm_cvttsd_si64): Likewise.
18253 (_mm_cvtsi64_sd): Likewise.
18254 (_mm_cvtsi64_si128): Likewise.
18255 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18256 (_mm_cvtsi64_m64): Likewise.
18257 (_m_to_int64): Likewise.
18258 (_mm_cvtm64_si64): Likewise.
18259 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18260 (_mm_cvttss_si64): Likewise.
18261 (_mm_cvtsi64_ss): Likewise.
18262 (_mm_cvtss_f32): Likewise.
18264 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18266 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18267 for pragma redefine_extname.
18269 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18272 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18273 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18274 -mno-minimal-toc to previous content.
18275 (bispecs): Remove goal.
18276 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18277 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18278 compatibility aliases on powerpc-*-*gnu*.
18279 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18280 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18281 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18282 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18283 (ldblspecs): New goal.
18284 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18285 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18287 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18288 L_sf_to_tf or L_df_to_tf is defined.
18290 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18291 Alan Modra <amodra@bigpond.net.au>
18294 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18295 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18296 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18297 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18298 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18299 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18300 (rs6000_override_options): Initialize rs6000_ieeequad.
18301 Initialize TFmode format to ibm_extended_format if not
18303 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18305 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18306 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18307 (function_arg_advance): IBM long double passed in two FPRs, not
18309 (function_arg): IBM long double passed in FPRs.
18310 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18311 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18312 Only multireg GPR aligned.
18313 (rs6000_init_libfuncs): Enable IBM long double functions if not
18315 (rs6000_generate_compare): Use IBM long double compare if not
18317 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18318 (TARGET_IEEEQUAD): Define.
18319 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18320 not TARGET_IEEEQUAD.
18321 * config/rs6000/rs6000.md: Enable TFmode patterns if
18323 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18324 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18325 and -mlong-double-128 are incompatible.
18326 * doc/invoke.texi (-mabi): Collect options together. Add
18327 ibmlongdouble and ieeelongdouble.
18329 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18331 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18333 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18334 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18335 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18336 * rtl.h (rtunion_def): Remove rt_ptr.
18338 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18339 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18340 * config/i386/winnt.c (i386_pe_mark_dllexport)
18341 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18343 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18345 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18347 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18351 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18352 pthread_key_delete. From John David Anglin. gthrw-ify
18353 pthread_getunique_np only if it it's not a macro. Delete
18355 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18356 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18357 __gthread_objc_condition_signal, __gthread_key_delete): Add
18358 "__attribute__ ((__unused__))" to unused arguments.
18359 (__gthread_recursive_mutex_init_function): Add missing return.
18360 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18361 gthr-posix95.h: Use macro-based approach for name redirection
18362 on targets missing weakref.
18364 2006-01-26 Zack Weinberg <zackw@panix.com>
18366 * genconditions.c (write_header): In generated code, #ifdef out
18367 all includes and fake declarations, except includes of bconfig.h
18368 and system.h, unless GCC_VERSION >= 3001. Do not include
18369 gensupport.h in any case.
18370 (write_conditions): Generate a definition of struct c_test. Add
18371 a comment to the generated #endif.
18372 (write_one_condition): Escape backslashes in string too.
18373 (write_writer): Generated code must escape backslashes and quote
18374 marks (but not newlines) in the strings it writes.
18375 * Makefile.in (build/gencondmd.o): Update dependencies.
18377 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18380 * Makefile.in (insn-automata.o): Add header file dependencies.
18381 * genautomata.c: Add includes.
18383 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18386 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18388 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18390 * configure.ac: Expect target tools paths to be passed from the toplevel
18391 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18393 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18395 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18398 * c.opt (Wpointer-sign): Init to -1.
18399 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18400 OPT_pedantic, to 0 otherwise.
18401 * doc/invoke.texi: Update.
18403 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18405 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18406 constants provided by 80387 instructions in the destination mode.
18408 2006-01-26 Richard Guenther <rguenther@suse.de>
18409 Andrew Pinski <pinskia@physics.uc.edu>
18412 partial PR tree-opt/17064
18413 * tree-ssa-structalias.c (intra_create_variable_infos):
18414 Create heap variables for incoming parameters if
18415 flag_argument_noalias > 1.
18416 (find_what_p_points_to): Look through default defs of
18419 2006-01-26 Jeff Law <law@redhat.com>
18422 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18423 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18424 within the VR_RANGE, use the VR_RANGE as the result, not the
18426 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18427 bounds for the type.
18429 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18431 * tree-ssa-alias.c (maybe_create_global_var): Change
18432 subvar walking to an assertion that we don't have subvar'd variables.
18434 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18437 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18438 Use a new variable, inner. PARM_DECLs are always non-weak.
18440 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18442 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18443 --disable-checking.
18445 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18447 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18449 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18451 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18452 (smax_insn, smin_insn, smax_0, smin_0): New.
18454 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18457 * config/cris/cris.c (cris_order_for_addsi3): New function.
18458 * config/cris/cris-protos.h: Prototype it.
18459 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18460 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18461 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18462 (split for "op.S1 [rx=rx+i],ry (swapped)")
18463 (split for "op(s|u).S1 [rx=rx+i],ry")
18464 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18465 Apply cris_order_for_addsi3 when generating addsi3 insns.
18467 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18469 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18470 (TREE_BLOCK): Add call to EXPR_CHECK.
18472 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18475 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18476 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18477 (dump_omp_clauses): ... here.
18478 (dump_generic_node): Handle OMP_CLAUSE.
18479 * tree.c (omp_clause_num_ops): New.
18480 (omp_clause_code_name): New.
18481 (tree_code_size): Handle OMP_CLAUSE.
18482 (tree_size): Likewise.
18483 (make_node): Document handling of OMP_CLAUSE.
18484 (tree_node_structure): Handle OMP_CLAUSE.
18485 (omp_clause_check_failed): New.
18486 (omp_clause_range_check_failed): New.
18487 (omp_clause_operand_check_failed): New.
18488 (build_omp_clause): New.
18489 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18490 * tree.h (enum omp_clause_code): Declare.
18491 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18492 (OMP_CLAUSE_RANGE_CHECK): Define.
18493 (OMP_CLAUSE_ELT_CHECK): Define.
18494 (omp_clause_check_failed): Declare.
18495 (omp_clause_operand_check_failed): Declare.
18496 (omp_clause_range_check_failed): Declare.
18497 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18498 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18499 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18500 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18501 (OMP_CLAUSE_IF_EXPR): Likewise.
18502 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18503 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18504 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18505 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18506 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18507 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18508 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18509 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18510 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18511 (OMP_CLAUSE_CODE): Define.
18512 (OMP_CLAUSE_SET_CODE): Define.
18513 (OMP_CLAUSE_CODE): Define.
18514 (OMP_CLAUSE_OPERAND): Define.
18515 (struct tree_omp_clause): Declare.
18516 (union tree_node): Add field 'omp_clause'.
18517 * treestruct.def (TS_OMP_CLAUSE): Define.
18518 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18519 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18520 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18521 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18522 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18523 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18524 (OMP_CLAUSE): Define.
18525 * print-tree.c (print_node): Handle OMP_CLAUSE.
18526 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18527 * c-typeck.c: Likewise.
18528 * gimplify.c: Likewise.
18529 * c-omp.c: Likewise.
18530 * tree-nested.c: Likewise.
18531 * tree-inline.c: Likewise.
18532 * c-parser.c: Likewise.
18533 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18536 2006-01-25 Roger Sayle <roger@eyesopen.com>
18538 PR rtl-optimization/25703
18539 * combine.c (try_combine): Handle zero_extract and strict_low_part
18540 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18542 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18544 * global.c: Fix comment typos.
18546 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18549 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18550 Use output_addr_const instead of assemble_name.
18552 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18554 * Makefile.in (sched-vis.o): Update dependencies.
18555 * haifa-sched.c (sched_finish): Clear current_sched_info.
18556 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18557 (dump_flow_info): Call it.
18558 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18560 * basic-block.h (dump_bb_info): Declare.
18561 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18562 option, and apply options only for dump files whose TDF_RTL,
18563 TDF_TREE, or TDF_IPA bits match.
18564 * rtl.h: Declare new functions exported from sched-vis.c.
18565 * sched-vis.c: Enable also if scheduling is not used.
18566 (print_value): Print the mode of registers if not inside scheduling.
18567 (print_insn): Make it work outside the scheduler. Beautify the output
18569 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18571 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18573 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18574 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18575 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18576 depending on the value of CONSTANT_POOL_ADDRESS_P.
18577 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18579 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18580 rather than SYMBOL_REF_DECL.
18581 (rtx_constant_pool): Remove const_rtx_sym_htab.
18582 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18583 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18584 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18585 Remove handling of const_rtx_sym_htab.
18586 (find_pool_constant): Delete.
18587 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18588 rather than find_pool_constant.
18589 (get_pool_constant_for_function): Delete.
18590 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18591 find_pool_constant.
18592 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18593 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18594 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18595 (SYMBOL_REF_CONSTANT): New macro.
18596 (get_pool_constant_for_function): Delete.
18597 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18598 rather than SYMBOL_REF_DECL.
18599 (i386_pe_mark_dllimport): Likewise.
18600 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18601 rather than SYMBOL_REF_DECL.
18602 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18603 (machopic_indirect_call_target): Likewise.
18605 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18607 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18609 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18611 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18613 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18615 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18617 2006-01-24 David Daney <ddaney@avtrex.com>
18620 * configure.ac (enable_tls): New enable option.
18621 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18622 * configure: Regenerate.
18623 * doc/install.texi (--enable-tls): Document new option.
18624 (--disable-tls): Ditto.
18626 2006-01-24 Richard Henderson <rth@redehat.com>
18628 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18629 * alias.c (true_dependence): Respect it.
18630 (canon_true_dependence, write_dependence_p): Likewise.
18631 * builtins.c (get_builtin_sync_mem): Set it.
18633 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18635 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18638 2006-01-24 DJ Delorie <dj@redhat.com>
18640 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18641 for storing constants in single-bit bitfields.
18643 2006-01-25 Ben Elliston <bje@au.ibm.com>
18645 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18647 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18650 * tree-ssa-pre.c (phi_translate): Return NULL
18651 for AGGREGATE_TYPE's.
18653 2006-01-24 Zack Weinberg <zackw@panix.com>
18655 * genautomata.c (process_state_for_insn_equiv_partition):
18656 Use xcalloc for insn_arcs_array.
18657 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18658 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18660 2006-01-24 Richard Henderson <rth@redhat.com>
18662 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18663 update all callers.
18665 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18667 PR rtl-optimization/25890
18668 PR rtl-optimization/25905
18669 * combine.c (expand_compound_operation, expand_field_assignment):
18670 Fail if the bitfield's final position is out of bounds.
18672 2006-01-24 Ian Lance Taylor <ian@airs.com>
18674 PR middle-end/25930
18675 * cgraphunit.c (cgraph_output_in_order): Don't clear
18676 cgraph_asm_nodes until after asm strings have been output.
18678 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18680 * fix-header.c (read_scan_file): Add new parameter imultilib when
18681 calling register_include_chains.
18683 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18685 * omp-low.c: Update documentation.
18687 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18688 Daniel Berlin <dberlin@dberlin.org>
18692 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18693 return from the function.
18695 2006-01-22 Zack Weinberg <zackw@panix.com>
18697 * rtl.def (match_code): Add second argument.
18698 * genpreds.c (write_extract_subexp): New function.
18699 (write_match_code): Add path argument. Use write_extract_subexp.
18700 (write_predicate_expr): Pass path to write_match_code.
18701 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18702 not perform a mode test.
18703 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18704 a subexpression does not constrain the top-level code set.
18705 * read-rtl.c (read_rtx_variadic): New function.
18706 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18707 * doc/md.texi: Document new notation.
18708 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18709 (cmpsi_operand): ... here, using new notation.
18711 2006-01-22 Zack Weinberg <zackw@panix.com>
18713 * varray.c: Remove GENERATOR_FILE #ifdefs.
18715 2006-01-22 Zack Weinberg <zackw@panix.com>
18717 * genautomata.c (output_reserved_units_table): Emit nothing if
18718 description->query_units_num is zero. Remove extra blank line.
18719 (output_cpu_unit_reservation_p): Short circuit
18720 if description->query_units_num is zero.
18722 2006-01-22 Zack Weinberg <zackw@panix.com>
18724 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18725 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18726 nor any of the random handful of variables that used to be necessary
18727 when this program was linked with rtlanal.o. Prune set of forward
18728 function declarations.
18729 (struct attr_desc): Remove static_p field.
18730 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18731 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18732 (attr_string): Do not read the character one past the length of
18734 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18735 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18736 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18737 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18738 (make_automaton_attrs): New.
18739 (main): Do not call into genautomata. Call local gen_bypass
18740 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18741 Remove special case for insn_alts.
18742 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18743 varray.h (leftover from previous change). Prune set of forward
18744 function declarations. Remove state_alts fields from all
18745 structures. Remove state_alts_table from struct automaton.
18746 Make everything except main static. Do not maintain num_dfa_decls.
18747 Do not maintain state_alts fields of various structures.
18748 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18749 (add_arc): Remove state_alts argument. All callers updated.
18750 (output_reserved_units_table): Emit #ifdef here...
18751 (output_tables): ...not here. Don't generate state_alts tables.
18752 (expand_automata): Don't generate attributes.
18753 (write_automata): Don't generate state_alts functions.
18754 (main): New function.
18755 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18756 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18757 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18758 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18759 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18760 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18761 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18762 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18764 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18765 * genattrtab.h: Delete file.
18766 * Makefile.in (OBJS-common): Add insn-automata.o.
18767 (insn-automata.o): New rule.
18768 (simple_generated_c): Add insn-automata.c.
18769 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18770 (genprogmd): Add automata.
18771 (build/genattrtab): Needs no extra objects nor libraries.
18772 (build/genautomata): Needs build/vec.o and -lm.
18774 2006-01-22 Zack Weinberg <zackw@panix.com>
18776 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18777 (output_dfa_max_issue_rate, locked_states_num): Delete.
18778 (struct automaton): Add locked_states field.
18779 (output_dead_lock_vect): Save number of locked states in
18780 automaton->locked_states. If it is zero, don't print anything.
18781 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18782 (output_internal_dead_lock_func): Only test the dead_lock_vect
18783 for automata that have locked states.
18784 (output_statistics): Always print the number of locked states for
18785 each automaton. Calculate total number of locked states here.
18786 (write_automata): Don't call output_dfa_max_issue_rate.
18787 * genattrtab.c: Define length_unit_log as a const variable.
18788 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18789 max_insn_queue_index const.
18790 * final.c (length_unit_log): Declare const.
18791 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18793 2006-01-22 Zack Weinberg <zackw@panix.com>
18795 * genautomata.c: Include vec.h, not varray.h.
18796 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18797 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18798 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18799 VEC_* macros operating on appropriately typed vectors, or to
18800 malloced arrays when the size is known in advance. Const-ify
18801 many char* variables and function arguments. No functional changes.
18802 * Makefile.in (build/varray.o): Delete rule.
18803 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18804 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18806 2006-01-22 Zack Weinberg <zackw@panix.com>
18808 * gensupport.c: Define get_insn_name and record_insn_name here.
18809 (read_md_rtx): Call record_insn_name as appropriate.
18810 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18811 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18812 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18814 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18815 (BUILD_VARRAY): Delete.
18816 (genprognormal): Rename genprogmd. Fold in all programs from
18817 genprognoprint; also attrtab.
18818 (build/genattrtab): Just mention genautomata.o and varray.o.
18819 Reorganize a bit, add comments to make the categories clearer.
18821 2006-01-22 Zack Weinberg <zackw@panix.com>
18823 * genconditions.c (condition_table, add_condition): Delete.
18824 (write_conditions): Don't emit n_insn_conditions nor
18825 insn_elision_unavailable. Issue the gcc version #ifdef here,
18826 inside the table, with no #else clause ...
18827 (write_header): ...not here.
18828 (write_writer): New function.
18829 (main): Don't initialize condition_table. Use add_c_test.
18831 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18832 files on the command line.
18833 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18834 Return -1 if there is no entry in the table, don't abort.
18835 (add_c_test, traverse_c_tests): New functions.
18836 * gensupport.h (insn_elision_unavailable, insn_conditions)
18837 (n_insn_conditions): Delete declarations.
18838 (add_c_test, traverse_c_tests): Declare.
18839 * read-rtl.c: Include gensupport.h.
18840 (read_conditions): New function.
18841 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18842 (read_rtx_1): If we get EOF when we were looking for an initial
18843 open paren, return 0. Call read_conditions when appropriate.
18844 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18845 dummy-conditions.o. Eliminate references to insn-conditions.o,
18846 or change them to build/gencondmd.o, as appropriate. Remove
18847 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18848 from $(simple_generated_c). For all files remaining in those
18849 two lists, add insn-conditions.md to the generator command line.
18850 Give insn-constants.h/s-constants their own rules. Add rules
18851 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18852 (build/read-rtl.o): Depend on gensupport.h.
18853 (genprognormal): Include preds.
18854 (genprogearly): Rename genprognoprint; only difference is now that
18855 they don't link with $(BUILD_PRINT).
18856 * dummy-conditions.c: Delete.
18858 2006-01-22 Zack Weinberg <zackw@panix.com>
18860 * genextract.c: Don't include insn-config.h. Do include vec.h.
18861 Declare vectors of int, char, and locstr.
18862 (locstr): New typedef.
18863 (struct extraction): Make all array fields into bare pointers.
18864 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18865 (insn_code_number): Delete.
18866 (accum_extract): New struct.
18867 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18868 (gen_insn): Take insn_code_number as an argument. Use an
18869 accum_extract structure instead of loading data directly into
18870 a struct extraction, and having to know how big it might get.
18871 (walk_rtx): Operate entirely on an accum_extract structure.
18872 (print_path): Avoid unnecessary use of printf.
18873 (print_header): New function, split out of main. Distinguish
18874 more carefully between an unrecognizable insn and an insn that
18875 has the code number of a define_expand.
18876 (main): Pass insn_code_number to gen_insn. Call print_header
18877 only after parsing. Avoid unnecessary use of printf.
18878 * Makefile.in (build/vec.o): New rule.
18879 (build/genextract): Depend on build/vec.o.
18880 (build/genextract.o): Don't depend on insn-config.h.
18882 2006-01-22 Zack Weinberg <zackw@panix.com>
18884 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18885 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18886 practical. Eliminate per-generator-program link rules.
18888 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18890 PR middle-end/24437
18891 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18892 with a call expr to ...
18893 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18895 2006-01-23 Richard Guenther <rguenther@suse.de>
18897 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18898 before make_edge with conditional EDGE_TRUE_VALUE.
18900 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18901 Jan Hubicka <jh@suse.cz>
18902 Richard Guenther <rguenther@suse.de>
18904 PR rtl-optimization/25654
18905 * cfgexpand.c (aggregate_contains_union_type): New function.
18906 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18907 for structure variables that contain a union type.
18909 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18911 * gengtype.c (new_structure): Return the structure.
18912 (create_option): Add an extra "next" argument.
18913 (create_field): New function.
18914 (adjust_field_rtx_def): Use create_option and create_field.
18915 Remove a now-unnecessary call to find_structure.
18916 (adjust_field_tree_def): Likewise.
18917 (note_yacc_type): Remove an unnecessary call to find_structure.
18918 * gengtype.h (new_structure): Return the structure.
18919 (create_option): Add an extra argument.
18920 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18921 (option): Adjust calls to create_option.
18923 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18925 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18927 2006-01-22 Paul Brook <paul@codesourcery.com>
18928 Peter Barada <peter@the-baradas.com>
18930 * config/m68k/m68k.md: Add Coldfire FPU support.
18931 Define FP mode macro and associated attributes.
18932 Use it for float mode patterns.
18933 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18934 (LIBCALL_VALUE): Use m68k_libcall_value.
18935 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18936 (m68k_function_value): Ditto.
18937 (emit_move_sequence): Ditto.
18938 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18939 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18940 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18941 (MULTILIB_EXCEPTIONS): Ditto.
18942 * config/m68k/m68k.opt: Add mcfv4e.
18943 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18944 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18945 (m68k_output_function_prologue): Save ColdFire FPU registers.
18946 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18947 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18948 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18949 ColdFire FPU registers.
18950 (m68k_libcall_value, m68k_function_value): New functions.
18951 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18952 (LIBCALL_VALUE): Use m68k_libcall_value.
18953 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18954 (MASK_COLDFIRE): Add MASK_CFV4E.
18955 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18956 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18957 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18958 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18959 (GO_IF_LEGITIMATE_ADDRESS): Use it.
18960 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
18961 * doc/invoke.tex: Document -mcfv4e on m68k.
18963 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
18965 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18968 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18971 * c-opts.c (c_common_handle_option): Don't include
18972 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18973 * doc/invoke.texi (C++ Dialect Options): Document that
18974 -Wnon-virtual-dtor is no longer included in -Wall.
18976 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18978 * gcov.c (print_version), gcov-dump.c (print_version),
18979 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18982 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
18984 * df-scan.c (problem_SCAN): Added NULL reset function.
18985 (df_scan_reset_blocks): Added code to call reset block function
18986 (df_bb_refs_delete) Fixed comment.
18987 (df_insn_refs_delete): Made tolerant of deleting non existent info
18988 for dataflow problems that need to be reset.
18989 * df-core.c (df_set_blocks): Ditto.
18990 * df.h (struct df_problem): Added reset_fun.
18991 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18992 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18993 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18994 functions to clear out all references to def-use or use-def chains.
18996 2006-01-21 Ben Elliston <bje@au.ibm.com>
18998 * varasm.c (assemble_real): Initialise data array.
19000 2006-01-20 Paul Brook <paul@codesourcery.com>
19002 Merge from csl-arm-branch.
19003 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19004 * config/arm/arm.md (movdi): Force operands[1] to a register
19005 if we have a non-register source.
19006 (*arm_movdi, *movdf_soft_insn): Require that one of the
19007 operands be a register.
19008 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19009 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19011 2006-01-20 DJ Delorie <dj@redhat.com>
19013 * varasm.c (initializer_constant_valid_p): Allow pointers
19014 initialized from integer constants of lesser precision.
19015 (output_constant): Allow non-int-sized pointer modes to be
19016 initialized from integer constants.
19018 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19021 * cppdefault.h (struct default_include): Add multilib flag.
19022 * cppdefault.c (cpp_include_defaults): Set it.
19023 * c.opt (-imultilib): New option.
19024 * c-opts.c (imultilib): New.
19025 (c_common_handle_option): Handle -imultilib.
19026 (c_common_post_options): Likewise.
19027 * c-incpath.c (add_standard_paths, register_include_chains):
19029 * c-incpath.h (register_include_chains): Add extra parameter.
19030 * gcc.c (do_spec_1): Generate -imultilib option.
19031 (The Specs Language): Update %I description.
19032 (process_command): Update copyright notice.
19033 * doc/cppopts.texi (-imultilib): Document.
19034 * doc/invoke.texi (-imultilib): Include in option summary.
19035 (%I): Update specs documentation.
19037 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19039 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19041 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19043 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19046 2006-01-20 Richard Guenther <rguenther@suse.de>
19047 Steven Bosscher <stevenb.gcc@gmail.com>
19049 PR rtl-optimization/24626
19050 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19051 EDGE_TRUE_VALUE if in RTL mode.
19054 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19055 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19057 2006-01-20 Dirk Mueller <dmueller@suse.com>
19060 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19061 instead of a special NOP marker.
19062 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19063 NOP marker handling.
19064 * c-common.h (empty_body_warning): Add forward declaration.
19065 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19066 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19068 2006-01-20 Paul Brook <paul@codesourcery.com>
19070 * Makefile.in (lang_checks): Keep going if mkdir fails.
19072 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19074 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19075 be able to clean out basic block when not necessary.
19076 (df_scan_free): Fixed to properly delete information if df is
19077 unused before calling df_finish.
19078 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19079 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19081 (df_bb_refs_delete): New function.
19082 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19083 * df-core.c (df_set_blocks): Added code to properly clean out
19084 unused blocks if they are not part of the blocks to consider.
19085 Added additional null check.
19086 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19087 be able to clean out basic block when not necessary
19088 * df.h (df_free_bb_function): Ditto.
19089 (df_bb_refs_delete): New function.
19090 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19091 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19092 basic block parameter to be able to clean out basic block when not
19094 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19095 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19096 Fixed to properly delete information if df is unused before
19099 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19101 PR rtl-optimization/25799
19102 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19103 Corrected confluence operator to remove bits from op2 before oring
19104 with op1 rather than removing bits from op1.
19105 (df_ru_transfer_function): Corrected test on wrong bitmap which
19106 caused infinite loop. Both of these problems were introduced in
19107 the dataflow rewrite.
19109 2006-01-19 DJ Delorie <dj@redhat.com>
19111 * reload1.c (find_reload_regs): Note the details of reload
19112 failures in the dump file.
19113 (spill_failure): Likewise.
19115 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19117 * loop-iv.c: Include df.h and hashtab.h.
19118 (enum iv_grd_result): New enum.
19119 (DF_REF_IV, DF_REF_IV_SET): New macros.
19120 (struct biv_entry): New.
19121 (df, bivs): New global variables.
19122 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19123 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19125 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19126 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19127 analyzed_for_bivness_p, record_biv): New functions.
19128 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19129 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19130 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19132 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19134 (iv_number_of_iterations): Use new interface to iv analysis.
19135 * loop-unroll.c: Do not include varray.h.
19136 (analyze_iv_to_split_insn): Use new interface to iv
19138 * loop-unswitch.c (may_unswitch_on): Ditto.
19139 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19141 (df_bb_modify): Realloc tables to the new index.
19142 (df_find_use): New function.
19143 * df.h (df_find_use): Declare.
19144 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19146 * cfgloop.h (struct rtx_iv): Remove analysed field.
19147 (iv_get_reaching_def): Removed.
19148 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19149 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19150 (loop-iv.o): Add df.h and hashtab.h dependency.
19151 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19153 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19156 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19158 (__floatundisf, __floatundidf): Likewise.
19159 * libgcc2.h (IS_IBM_EXTENDED): Define.
19161 2006-01-19 DJ Delorie <dj@redhat.com>
19163 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19165 2006-01-19 Paul Brook <paul@codesourcery.com>
19167 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19168 as nothrow when unwinding tables are disabled.
19170 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19173 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19174 of bit-field" when in system header.
19176 2006-01-19 DJ Delorie <dj@redhat.com>
19178 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19179 the 16 bit shift limit of the m16c.
19181 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19184 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19185 * config/i386/i386.c (output_set_got): Output the label if we have one
19186 for the TARGET_DEEP_BRANCH_PREDICTION case.
19188 2006-01-19 Jan Hubicka <jh@suse.cz>
19189 H.J. Lu <hongjiu.lu@intel.com>
19190 Evandro Menezes <evandro.menezes@amd.com>
19192 * invoke.texi (generic): Document
19194 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19195 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19196 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19197 (x86_use_incdec, x86_pad_returns): New variables
19198 (TARGET_CPU_DEFAULT_generic): New constant
19199 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19200 (enum processor_type): Add generic32 and generic64.
19201 * i386.md (cpu attribute): Add generic32/generic64
19202 (movhi splitter): Behave sanely when both partial_reg_dependency and
19203 partial_reg_stall are set.
19204 (K8 splitters): Enable for generic as well.
19205 * predicates.md (incdec_operand): Use TARGET_INCDEC
19206 (aligned_operand): Avoid memory mismatch stalls.
19207 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19208 * ppro.md: Enable for generic32
19209 * i386.c (generic64_cost, generic32_cost): New.
19210 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19211 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19212 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19213 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19214 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19215 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19216 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19217 x86_accumulate_outgoing_args, x86_prologue_using_move,
19218 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19219 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19220 Enable for generic.
19221 (x86_use_incdec, x86_pad_returns): New.
19222 (override_options): Add generic32 and generic64, translate "generic"
19223 to generic32/generic64 and "i686" to "generic32", refuse
19224 "generic32"/"generic64" as arch target.
19225 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19226 (ix86_reorg): Honor PAD_RETURNS.
19228 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19230 * tree-pretty-print.c (dump_generic_node): Handle
19231 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19232 * cgraph.c (cgraph_expand_queue): Rename from
19233 cgraph_analyze_queue. Update all users.
19234 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19235 cgraph_expand_queue.
19236 (cgraph_expand_all_functions): Likewise.
19237 (cgraph_finalize_pending_functions): Remove. Update callers.
19239 * tree.h (OMP_DIRECTIVE_P): Define.
19240 (OMP_PARALLEL_FN): Define.
19241 (OMP_PARALLEL_DATA_ARG): Define.
19242 (OMP_SECTIONS_SECTIONS): Define.
19243 * tree-pass.h (pass_expand_omp): Declare.
19244 * omp-low.c (struct omp_region): Declare.
19245 (struct omp_context): Remove fields 'parallel_type',
19246 'parallel_start_ix' and 'parallel_start_additional_args'.
19248 (struct omp_for_data): Rename from struct expand_omp_for_data.
19249 (omp_regions): New static variable.
19250 (root_omp_region): New static variable.
19251 (find_omp_clause): Make static.
19252 (is_in_combined_parallel_ctx): Remove.
19253 (is_combined_parallel): New.
19254 (extract_omp_for_data): Move earlier in the file.
19255 (workshare_safe_to_combine_p): New.
19256 (get_ws_args_for): New.
19257 (determine_parallel_type): Move earlier in the file.
19258 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19260 (omp_copy_decl): Likewise.
19261 (create_omp_child_function): Likewise.
19262 (lookup_omp_region): New.
19263 (dump_omp_region): New.
19264 (debug_omp_region): New.
19265 (debug_all_omp_regions): New.
19266 (new_omp_region): New.
19267 (scan_omp_parallel): If parallel_nesting_level > 1, the
19268 directive is nested within another parallel directive.
19269 Set OMP_PARALLEL_FN.
19270 (scan_omp_for): Do not try to handle combined parallel+for
19272 Remove FIXME comment.
19273 (scan_omp_nested): Remove.
19274 (scan_omp_1): Do not call scan_omp_nested when
19275 parallel_nesting_level is > 1.
19276 Do not change the DECL_CONTEXT of local variables found.
19277 (lookup_decl_in_outer_ctx): New.
19278 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19279 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19280 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19281 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19282 If CTX is nested, lookup VAR in the outer context when
19283 building copy assignment.
19284 (lower_send_clauses): Rename from expand_send_clauses.
19285 If CTX is nested, lookup VAR in the outer context when
19286 building copy assignments.
19287 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19288 If CTX is nested, lookup VAR in the outer context when
19289 building copy assignments.
19290 (expand_parallel_call): Rename from build_parallel_call.
19291 Handle combined parallel+workshare cases.
19292 Re-implement to emit code into the CFG.
19294 (expand_omp_parallel): Re-implement to emit code into the CFG.
19295 Call move_sese_region_to_fn to outline the sub-graph
19296 containing the parallel region.
19297 (expand_omp_for_1): Remove.
19298 (expand_omp_for_generic): Re-implement to emit code into the
19300 (expand_omp_for_static_nochunk): Likewise.
19301 (expand_omp_for_static_chunk): Likewise.
19302 (expand_omp_for): Likewise.
19303 (expand_omp_sections): Likewise.
19304 (remove_exit_barriers): New.
19305 (expand_omp_synch): New.
19307 (build_omp_regions_1): New.
19308 (build_omp_regions): New.
19309 (execute_expand_omp): New.
19310 (gate_expand_omp): New.
19311 (pass_expand_omp): Define.
19312 (lower_omp_sections): Rename from expand_omp_sections.
19313 Set OMP_SECTIONS_SECTIONS.
19314 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19315 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19316 (lower_omp_single): Rename from expand_omp_simple.
19317 (lower_omp_master): Rename from expand_omp_master.
19318 (lower_omp_ordered): Rename from expand_omp_ordered.
19319 (lower_omp_critical): Rename from expand_omp_critical.
19320 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19321 (lower_omp_for): Re-implement.
19322 (lower_omp_parallel): Re-implement.
19323 (lower_regimplify): Rename from expand_regimplify.
19324 (lower_omp_1): Rename from expand_omp_1.
19325 If there are syntax errors in the program, replace every
19326 OpenMP directive with NOP.
19327 Call lower_omp_* instead of expand_omp_*.
19328 (lower_omp): Rename from expand_omp.
19330 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19331 * tree-gimple.h (enum omp_parallel_type): Remove.
19332 (gimple_boolify): Declare extern.
19333 (find_omp_clause, determine_parallel_type): Remove.
19335 * gimple-low.c (lower_omp_directive): New.
19336 (lower_stmt): Call it.
19337 (record_vars_into): Move from ...
19338 (record_vars): ... here.
19339 Call record_vars_into with current_function_decl.
19341 * gimplify.c (struct gimplify_ctx): Remove fields
19342 combined_pre_p and combined_ctxp. Update users.
19343 (get_formal_tmp_var): Add documentation.
19344 (gimple_boolify): Make extern.
19345 (gimplify_expr_in_ctx): Remove. Update callers.
19346 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19347 will always be a BIND_EXPR.
19348 (gimplify_expr): Handle OMP_RETURN_EXPR.
19349 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19350 (OMP_PARALLEL): Add 3 operands.
19351 (OMP_SECTIONS): Add 1 operand.
19352 (OMP_RETURN_EXPR): Define.
19354 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19355 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19356 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19357 creating a circular free list.
19358 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19360 * tree-flow.h (move_sese_region_to_fn): Declare.
19361 (record_vars_into): Declare.
19362 * tree-cfg.c (make_omp_sections_edges): New.
19363 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19364 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19365 OMP_SECTIONS and OMP_SECTION.
19366 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19367 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19368 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19369 (gather_blocks_in_sese_region): New.
19370 (struct move_stmt_d): Declare.
19371 (move_stmt_r): New.
19372 (move_block_to_fn): New.
19373 (move_sese_region_to_fn): New.
19375 * passes.c (init_optimization_passes): Schedule
19376 pass_expand_omp after pass_init_datastructures.
19378 * tree-ssa-operands.c (get_expr_operands): Handle
19379 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19380 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19382 2006-01-19 Jeff Law <law@redhat.com>
19384 * tree-vrp.c (extract_range_from_assert): Refine the result range
19385 if the variable referenced by the ASSERT_EXPR has a range and
19386 either the tentative result range or the previous range is a
19389 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19391 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19393 2006-01-19 Jan Hubicka <jh@suse.cz>
19395 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19397 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19399 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19400 (expand_compound_operation, expand_field_assignment): Fail if the
19401 bit lengths of an extract operation are out of range.
19402 (make_extraction): Compute wanted_inner_mode based on the position
19403 and length of the extraction. Make it extraction_mode for non-constant
19404 positions, and do not modify offset in that case. When generating a
19405 new MEM, use a mode that can hold the extraction while keeping correct
19406 alignment. Remove code that supported MEMs wrapped by USEs.
19407 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19409 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19411 * config/s390/s390.md ("Y", "y"): New mode attribute.
19412 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19413 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19414 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19415 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19416 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19417 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19418 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19419 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19420 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19421 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19422 "addsi3", "subsi3"): Insn patterns removed.
19423 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19424 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19425 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19426 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19427 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19428 "*sub<mode>3_cconly2"): New insn patterns.
19429 ("addsi3", "subsi3"): New expanders.
19431 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19433 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19434 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19435 existing STMT_VINFO_VECTYPE if available.
19436 (vect_mark_relevant): Add special handling for stmts that are
19437 marked as STMT_VINFO_IN_PATTERN_P.
19438 (vect_analyze_loop): Call vect_pattern_recog.
19439 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19440 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19442 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19443 (vect_recog_func_ptr): New function-pointer type.
19444 * tree-vect-patterns.c: New file.
19445 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19446 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19447 (vect_pattern_recog_1): New functions.
19448 (vect_pattern_recog_funcs): New array of function pointers.
19450 * tree-vectorizer.h (ternary_op): New enum value.
19451 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19452 declaration. Revised documentation. Removed redundant dump prints.
19453 Removed redundant argument. Added support for reduction patterns.
19454 (vectorizable_reduction): Added support for reduction patterns.
19455 (vect_transform_stmt): Added support for patterns.
19457 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19458 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19459 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19460 (expand_widen_pattern_expr): New function.
19461 (init_optabs): Initialize new optabs udot_prod_optab,
19463 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19464 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19465 (expand_widen_pattern_expr): New function declaration.
19466 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19468 * tree-inline.c (estimate_num_insns_1): Added cases for new
19469 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19470 * tree-pretty-print.c (dump_generic_node): Likewise.
19471 (op_prio): Likewise.
19472 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19473 * tree-ssa-operands.c (get_expr_operands): Added case for
19475 * tree-vect-patterns.c (widened_name_p): New function.
19476 (vect_recog_dot_prod_pattern): Added function implementation.
19477 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19478 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19479 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19480 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19482 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19483 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19484 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19485 (init_optabs): Initialize new optabs widen_ssum_optab,
19487 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19488 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19489 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19490 use instead of type of def.
19491 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19492 function implementation.
19493 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19494 widen_ssumv8hi): New.
19496 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19499 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19502 * c-decl.c (add_flexible_array_elts_to_size): New function.
19503 (finish_decl): Use it.
19505 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19507 * diagnostic.h: Include options.h.
19508 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19509 dependancies for diagnostic.h.
19510 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19512 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19514 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19515 (ssa_ro_call_cache_valid): Ditto.
19516 * tree-ssa-alias.c (sort_tags_by_id): New function.
19517 (init_transitive_clobber_worklist): Ditto.
19518 (add_to_worklist): Ditto.
19519 (mark_aliases_call_clobbered): Ditto.
19520 (compute_tag_properties): Ditto.
19521 (set_initial_properties): Ditto.
19522 (compute_call_clobbered): Ditto.
19523 (compute_may_aliases): Call compute_call_clobbered and grouping.
19524 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19525 (compute_flow_insensitive_aliasing): Grouping now happens in our
19527 (setup_pointers_and_addressables): Remove clobbering related code.
19528 (add_may_alias): Ditto.
19529 (replace_may_alias): Ditto.
19530 (get_nmt_for): Ditto.
19531 (create_global_var):
19532 (is_escape_site): Return an escape_type enumeration.
19533 * tree-flow-inline.h (is_call_clobbered): Global var does not
19534 imply call clobbered.
19535 (mark_call_clobbered): Take a reason for marking this. Remove
19536 marking of globalness, and cache invalidation.
19537 (clear_call_clobbered): Remove cache invalidation code.
19538 * tree-dfa.c (dump_variable): If details is on, dump the reason
19540 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19542 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19543 (struct var_ann_d): Ditto.
19544 (enum escape_type): New.
19545 (mark_call_clobbered): Adjust prototype.
19546 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19547 are never call clobbered.
19548 Record reasons for escaping.
19549 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19550 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19551 (ssa_ro_call_cache_valid): Ditto.
19552 (clobbered_v_may_defs): Ditto.
19553 (clobbered_vuses): Ditto.
19554 (ro_call_vuses): Ditto.
19555 (clobber_stats): New.
19556 (init_ssa_operands): Zero out clobber stats.
19557 (fini_ssa_operands): Print out clobber stats.
19558 (get_call_expr_operands): Pass callee fndecl to
19559 add_call_read_ops).
19560 (add_call_clobber_ops): Remove use of cache.
19561 Add use of PURE_CONST information.
19562 (add_call_read_ops): Remove use of cache.
19563 Add use of static not_read information.
19565 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19567 Introduce TLS descriptors for i386 and x86_64.
19568 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19569 (TARGET_ANY_GNU_TLS): New macro.
19570 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19571 (struct machine_function): Add tls_descriptor_call_expanded_p.
19572 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19573 (ix86_current_function_calls_tls_descriptor): Likewise.
19574 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19575 (override_options): Introduce gnu2 tls dialect.
19576 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19578 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19580 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19581 (ix86_init_machine_status): Initialize new field.
19582 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19583 (ix86_tls_module_base): New.
19584 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19585 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19586 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19587 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19588 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19589 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19590 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19591 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19592 * config/i386/predicates.md (tls_modbase_operand): New.
19593 (tp_or_register_operand): New.
19595 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19597 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19598 (look_for_address_of): Ditto.
19599 (ipa_init): Walk the function decls.
19600 (static_execute): Don't set readonly on FUNCTION_DECL's.
19602 2006-01-18 Roger Sayle <roger@eyesopen.com>
19604 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19605 for shifts where the source and destination registers are different.
19607 2006-01-18 Paul Brook <paul@codesourcery.com>
19609 Merge from csl-arm-branch.
19610 2005-03-14 Julian Brown <julian@codesourcery.com>
19611 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19612 (aeabi_llsl): Likewise.
19613 (ashrdi3): Likewise.
19614 (aeabi_lasr): Likewise.
19615 (lshrdi3): Likewise.
19616 (aeabi_llsr): Likewise.
19617 2005-03-10 Julian Brown <julian@codesourcery.com>
19618 * config.gcc: Disable shared libgcc for SymbianOS.
19619 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19621 2006-01-18 DJ Delorie <dj@redhat.com>
19623 * c-pragma.c (handle_pragma_diagnostic): New.
19624 (init_pragma): Register it.
19625 * doc/extend.texi: Document it.
19627 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19628 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19629 (diagnostic_context): Add classify_diagnostic[].
19630 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19631 as errors if they're overridden to DK_WARNING.
19632 (diagnostic_initialize): Initialize classify_diagnostic[].
19633 (diagnostic_set_kind_override): New.
19634 (diagnostic_report_diagnostic): Check for kind changes.
19635 * opts.c (common_handle_option): Take lang_mask. Update callers.
19636 Handle OPT_Werror_.
19637 * common.opt (Werror=): New.
19638 * doc/invoke.texi: Document -Werror=*
19640 2006-01-18 Jeff Law <law@redhat.com>
19642 * tree-vrp.c (test_for_singularity): Correct test for new
19643 min limit. Use operand_equal_p rather than pointer equality
19644 for testing if new min/max values are equal.
19646 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19647 using range information until after propagation and folding.
19649 2006-01-18 Richard Henderson <rth@redhat.com>
19650 Aldy Hernandez <aldyh@redhat.com>
19651 Jakub Jelinek <jakub@redhat.com>
19652 Diego Novillo <dnovillo@redhat.com>
19654 * omp-low.c: New file.
19655 * c-omp.c: New file.
19657 2006-01-18 Richard Henderson <rth@redhat.com>
19658 Jakub Jelinek <jakub@redhat.com>
19659 Diego Novillo <dnovillo@redhat.com>
19661 * doc/invoke.texi: Document -fopenmp.
19662 * tree-dump.h (debug_function): Declare.
19663 * hooks.c (hook_bool_tree_bool_false): New function.
19664 (hook_tree_tree_null): Remove.
19665 (hook_tree_tree_tree_null): New.
19666 * hooks.h: Update to match.
19667 * tree-pretty-print.c (debug_tree_chain): New.
19668 (print_generic_expr): Handle TDF_CHAIN.
19669 (dump_generic_node): Handle BLOCK.
19670 Do not abort with incomplete SWITCH_EXPRs.
19671 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19672 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19673 print space after directive name.
19674 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19675 Handle OMP_MASTER and OMP_ORDERED.
19676 Handle printing of OMP_BODY just in one place, goto
19677 dump_omp_body in the rest of OMP_* nodes that have
19679 Don't handle clause nodes here. Update omp statements to
19680 use dump_omp_clauses.
19681 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19682 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19683 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19684 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19685 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19686 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19687 Adjust output for GOMP_PARALLEL.
19688 (dump_omp_clauses): New.
19689 (print_declaration): Dump DECL_VALUE_EXPR.
19690 (op_symbol_1): Split out of op_symbol.
19691 (dumping_stmts): Remove. Update all users.
19692 * cgraph.c (cgraph_analyze_queue): New.
19693 (cgraph_add_new_function): New.
19694 * cgraph.h (cgraph_analyze_queue): Declare.
19695 (cgraph_add_new_function): Declare.
19696 (cgraph_lower_function): Remove.
19697 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19698 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19699 and TYPE_P nodes in its default clause.
19700 (empty_body_p): New.
19701 (tree_range_check_failed): New.
19702 (build5_stat): New.
19703 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19704 OMP_CLAUSE_REDUCTION_MERGE,
19705 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19706 OMP_CLAUSE_PRIVATE_DEBUG,
19707 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19708 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19709 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19710 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19711 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19712 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19713 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19714 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19715 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19716 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19717 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19718 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19719 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19720 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19721 (TREE_RANGE_CHECK): New.
19722 (empty_body_p): Declare.
19723 (enum omp_clause_default_kind): New.
19724 (build_string_literal): Declare.
19725 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19726 (build5_stat, build5): Declare.
19727 * tree-pass.h (TDF_CHAIN): Define.
19728 * tree-pass.h (PROP_gimple_lomp): Define.
19729 (pass_lower_omp): Declare.
19730 * diagnostic.h (debug_tree_chain): Declare.
19731 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19733 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19734 * builtins.c (build_string_literal): Make extern.
19735 * gcc.c (include_spec_function): New.
19736 (static_spec_functions): Add it.
19737 (main): Move load of libgomp.spec ...
19738 (LINK_COMMAND_SPEC): ... here.
19739 (link_gomp_spec): New.
19740 (static_specs): Include it.
19741 (LINK_COMMAND_SPEC): Add link_gomp.
19742 (GOMP_SELF_SPECS): New.
19743 (driver_self_specs): Include it.
19744 (switch_matches): Don't mark inline.
19745 (main): Load libgomp.spec.
19746 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19747 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19748 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19749 * tree-gimple.h (enum omp_parallel): Declare.
19750 (determine_parallel_type): Declare.
19751 (omp_firstprivatize_variable): Declare.
19752 (omp_reduction_init): Declare.
19753 (diagnose_omp_structured_block_errors): Declare.
19754 (struct walk_stmt_info): Add want_return_expr.
19755 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19756 (find_omp_clause): Declare.
19757 (insert_field_into_struct): Declare.
19758 (struct walk_stmt_info): Move from tree-nested.c
19759 (walk_stmts): Declare.
19760 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19762 * cgraphunit.c (cgraph_lower_function): Make static.
19763 (cgraph_finalize_pending_functions): New.
19764 (cgraph_finalize_function): Call it.
19765 (cgraph_finalize_compilation_unit): Likewise.
19766 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19767 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19768 (BT_FN_UINT_UINT): New.
19769 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19770 DEF_FUNCTION_TYPE_VAR_4): Document.
19771 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19772 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19773 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19774 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19775 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19776 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19777 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19778 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19779 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19780 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19781 into separate files.
19782 (DEF_GOMP_BUILTIN): New.
19783 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19784 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19785 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19786 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19787 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19788 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19789 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19790 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19791 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19792 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19793 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19794 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19795 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19796 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19797 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19798 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19799 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19800 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19801 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19802 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19803 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19804 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19805 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19806 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19807 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19808 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19809 * sync-builtins.def: New file, moved from builtins.def.
19810 * omp-builtins.def: New file, moved from builtins.def.
19811 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19812 * gimple-low.c (lower_function_body): Clear data.
19813 (lower_stmt): Do not handle COMPOUND_EXPR.
19814 Remove call to print_node_brief.
19815 * c-tree.h (c_finish_omp_clauses): New prototype.
19816 (C_DECL_THREADPRIVATE_P): Define.
19817 (lookup_name_no_remap, c_omp_remap_private): Remove
19818 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19819 (check_for_loop_decls): Update decl.
19820 (lookup_name_no_remap, c_omp_remap_private): Declare.
19821 (build_indirect_ref, build_modify_expr, pushdecl,
19822 pushdecl_top_level): Move to c-common.h.
19823 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19824 before the switch, but just in the 2 places that need it.
19825 * c-decl.c (diagnose_mismatched_decls): Do not check for
19826 mismatched thread-local attributes when OLDDECL is marked
19827 threadprivate and NEWDECL has no thread-local attributes.
19828 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19829 (c_gimple_diagnostics_recursively): Rename from
19830 c_warn_unused_result_recursively. Invoke
19831 diagnose_omp_structured_block_errors.
19832 (check_for_loop_decls): Return a singular decl found.
19833 * langhooks.c (lhd_omp_predetermined_sharing): Return
19834 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19835 (lhd_omp_firstprivatize_type_sizes): New.
19836 (lhd_omp_assignment): New.
19837 (lhd_omp_predetermined_sharing): New.
19838 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19839 (struct lang_hooks_for_types): Add
19840 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19841 omp_predetermined_sharing, omp_disregard_value_expr,
19842 omp_private_debug_clause, omp_clause_default_ctor,
19843 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19844 (c_finish_omp_clauses): New.
19845 (c_finish_bc_stmt): Diagnose break within omp for.
19846 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19847 (build_unary_op): Return error_mark after reporting
19849 (build_modify_expr): Likewise.
19850 * gimplify.c: Include optabs.h and pointer-set.h.
19851 (enum gimplify_omp_var_data): Declare.
19852 (struct gimplify_omp_ctx): Declare.
19853 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19855 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19856 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19857 (splay_tree_compare_decl_uid): New.
19858 (new_omp_context): New.
19859 (delete_omp_context): New.
19860 (gimple_add_tmp_var): Call omp_add_variable.
19861 (gimplify_bind_expr): Likewise.
19862 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19863 true, disregard DECL_VALUE_EXPR on the decl if any.
19864 (gimplify_expr_in_ctx): New.
19865 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19866 omp_add_variable, omp_notice_variable, omp_is_private
19867 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19868 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19869 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19870 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19871 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19872 gimplify_omp_atomic): New.
19873 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19874 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19875 OMP_CRITICAL and OMP_ATOMIC.
19876 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19877 * c-pragma.h (enum pragma_kind): Add
19878 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19879 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19880 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19881 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19882 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19883 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19884 PRAGMA_OMP_THREADPRIVATE.
19885 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19886 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19887 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19888 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19889 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19890 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19891 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19892 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19893 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19894 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19895 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19896 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19897 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19899 (struct nesting_info): Add field_map,
19900 suppress_expansion, debug_var_chain.
19901 (create_nesting_tree): Initialize them.
19902 (lookup_field_for_decl): Use field_map.
19903 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19904 (convert_local_omp_clauses): New.
19905 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19906 (walk_body): Split out of walk_function.
19907 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19908 (convert_nonlocal_reference): Handle omp statements.
19909 (convert_local_reference): Likewise.
19910 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19911 (unnest_nesting_tree): New.
19912 (lower_nested_functions): Call it.
19913 (insert_field_into_struct): Make extern.
19914 (struct walk_stmt_info): Move to tree-gimple.h.
19915 (walk_stmts): Make extern.
19916 * omp-builtins.def: New file.
19917 * tree-iterator.c (expr_only): Clarify comment.
19918 * c-common.h (pushdecl_top_level, pushdecl,
19919 build_modify_expr, build_indirect_ref,
19920 c_finish_omp_master, c_finish_omp_critical,
19921 c_finish_omp_ordered, c_finish_omp_barrier,
19922 c_finish_omp_atomic, c_finish_omp_flush,
19923 c_finish_omp_for, c_split_parallel_clauses,
19924 omp_clause_default_kind, c_omp_sharing_predetermined,
19925 c_omp_remap_decl): Declare.
19926 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19927 (OBJS-common): Add omp-low.o.
19928 (c-omp.o, omp-low.o): Add.
19929 (gimplify.o): Add dependency on $(OPTABS_H).
19930 (GTFILES): Add omp-low.c.
19931 (gt-stringpool.h): Add.
19932 * tree-cfg.c (set_bb_for_stmt): Do not update the
19933 block-to-labels map if we are currently expanding to RTL.
19934 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19936 Handle IDENTIFIER_NODE.
19937 (tree_verify_flow_info): Do not ICE when emitting error
19938 messages about invalid labels.
19939 (dump_function_to_file): Reset CFUN before emitting the body
19941 (debug_function): New.
19942 * passes.c (init_optimization_passes): Schedule
19944 * langhooks-def.h (lhd_omp_predetermined_sharing,
19945 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19947 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19948 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19949 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19950 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19951 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19952 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19953 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19954 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19955 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19956 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19957 (LANG_HOOK_DECLS): Use them.
19959 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
19960 Richard Henderson <rth@redhat.com>
19961 Jakub Jelinek <jakub@redhat.com>
19962 Diego Novillo <dnovillo@redhat.com>
19964 * c-parser.c (pragma_omp_clause): Define.
19965 (c_parser_declaration_or_fndef): Document OpenMP syntax.
19966 (c_parser_compound_statement): Likewise.
19967 (c_parser_statement): Likewise.
19968 (c_parser_pragma): Handle omp pragmas.
19969 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19970 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19971 (c_parser_omp_clause_name, check_no_duplicate_clause,
19972 c_parser_omp_variable_list,
19973 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19974 c_parser_omp_clause_copyprivate,
19975 c_parser_omp_clause_default,
19976 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19977 c_parser_omp_clause_lastprivate,
19978 c_parser_omp_clause_nowait,
19979 c_parser_omp_clause_num_threads,
19980 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19981 c_parser_omp_clause_reduction,
19982 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
19983 c_parser_omp_all_clauses, c_parser_omp_structured_block,
19984 c_parser_omp_atomic, c_parser_omp_barrier,
19985 c_parser_omp_critical, c_parser_omp_flush,
19986 c_parser_omp_for_loop, c_parser_omp_for,
19987 c_parser_omp_master, c_parser_omp_ordered,
19988 c_parser_omp_sections_scope, c_parser_omp_sections,
19989 c_parser_omp_parallel, c_parser_omp_single,
19990 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19991 * c-pragma.c (init_pragma): Do omp pragma registration here.
19992 * c.opt (fopenmp): New flag.
19994 2006-01-18 Eric Christopher <echristo@apple.com>
19996 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19997 * config/darwin.h (GOMP_SELF_SPECS): Define.
19999 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20001 * rtl.h: Remove the prototype for reg_alloc.
20003 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20006 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20007 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20008 sjlj and dwarf2 exception handling.
20009 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20010 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20011 * pa/pa.c (function_value): Treat complex and vector types as
20013 (function_arg): Likewise. Only pass scalar floats in the floating
20014 point argument registers.
20015 * pa/t-slibgcc-dwarf-ver: New file.
20016 * pa/t-slibgcc-sjlj-ver: New file.
20017 * pa/t-slibgcc-elf-ver: Delete file.
20019 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20021 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20022 unlikely_test_section_p test.
20024 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20026 * mode-switching.c (optimize_mode_switching): Make it static.
20027 * basic-block.h: Remove the prototype for
20028 optimize_mode_switching.
20030 * modulo-sched.c (sms_schedule): Make it static.
20031 * rtl.h: Remove the prototype for sms_schedule.
20033 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20034 * rtl.h: Remove the prototype for gcse_after_reload_main.
20036 * reg-stack.c (reg_to_stack): Make it static.
20037 * rtl.h: Remove the prototype for reg_to_stack.
20039 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20041 * rtl.h: Remove the prototypes for regrename_optimize and
20042 copyprop_hardreg_forward.
20044 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20046 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20047 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20048 Test against the appropriate null constant for the mode.
20049 If 'fixup_overlap' is true, swap the operands if they overlap.
20050 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20051 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20052 alpha_split_tmode_pair and adjust for above change.
20053 * config/alpha/alpha.md (movtf_internal): Adjust call to
20054 alpha_split_tfmode_pair and rely on it to swap the operands.
20055 (movti_internal): New insn and post-reload splitter.
20056 (movti): New expander.
20058 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20060 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20063 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20065 * rtlanal.c (global_reg_mentioned_p_1,
20066 global_reg_mentioned_p): Remove.
20067 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20069 * flow.c (initialize_uninitialized_subregs): Make it static.
20070 * rtl.h: Remove the prototype for
20071 initialize_uninitialized_subregs.
20073 * function.c (instantiate_virtual_regs): Make it static.
20074 * function.h: Remove the prototype for
20075 instantiate_virtual_regs.
20077 * regmove.c (regmove_optimize, combine_stack_adjustments):
20079 * rtl.h: Remove the prototypes for regmove_optimize and
20080 combine_stack_adjustments.
20082 2006-01-17 Roger Sayle <roger@eyesopen.com>
20084 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20085 (size_cost): Encode costs in bytes so that a reg-reg addition is
20086 equivalent to COSTS_N_INSNS(1).
20087 (override_options): Use the size_cost.branch_cost as the default
20088 ix86_branch_cost when optimizing for size.
20090 2006-01-18 Ben Elliston <bje@au.ibm.com>
20092 * Makefile.in (D32PBIT_FUNCS): New.
20093 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20094 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20095 D64PBIT_FUNCS and D128PBIT_FUNCS.
20096 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20097 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20099 (decnumber_dep): Define.
20100 * doc/libgcc.texi (Decimal float library routines): New node.
20101 * config/dfp-bit.h, config/dfp-bit.c: New files.
20103 2006-01-18 Ben Elliston <bje@au.ibm.com>
20105 * expr.c (emit_move_change_mode): Always adjust addresses, not
20106 just during reload. Copy replacements only during reload.
20107 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20108 emit_move_via_integer.
20110 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20112 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20113 instead of $(srcdir) and ${srcdir}.
20115 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20118 PR middle-end/11135
20119 * arm.h (struct machine_function): Add pic_reg.
20120 * arm.c (arm_pic_register): Make unsigned.
20121 (arm_override_options): Only set arm_pic_register if
20122 TARGET_SINGLE_PIC_BASE.
20123 (use_return_insn): Only test for a pic register if it is fixed.
20124 (arm_compute_save_reg0_reg12_mask): Likewise.
20125 (thumb_compute_save_reg_mask): Likewise.
20126 (legitimate_pic_operand): Factor out some known invariants.
20127 (legitimize_pic_address): If we don't have a fixed pic register,
20128 then set up a pseudo in the function entry sequence. Handle the
20129 pic base being in a pseudo.
20130 (arm_load_pic_register): Handle the pic register being in a pseudo.
20131 (arm_expand_prologue): Only set up the pic register if it is fixed.
20132 (thumb_expand_prologue): Likewise.
20133 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20134 (pic_load_addr_based_insn): Likewise.
20135 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20138 2006-01-18 Ben Elliston <bje@au.ibm.com>
20140 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20141 decimal float modes for all floating point registers.
20143 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20144 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20146 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20149 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20150 even when the pointer is not NULL.
20152 2006-01-16 Ian Lance Taylor <ian@airs.com>
20154 * common.opt (ftoplevel-reorder): New option.
20155 * cgraph.c (cgraph_asm_nodes): New global variable.
20156 (cgraph_asm_last_node): New static variable.
20157 (cgraph_order): New global variable.
20158 (cgraph_create_node): Set new order field.
20159 (cgraph_varpool_node): Likewise.
20160 (decide_is_variable_needed): Return true if not
20161 flag_toplevel_reorder.
20162 (cgraph_add_asm_node): New function.
20163 * cgraph.h (struct cgraph_node): Add order field.
20164 (struct cgraph_varpool_node): Add order field.
20165 (struct cgraph_asm_node): Define.
20166 (cgraph_asm_nodes, cgraph_order): Declare.
20167 (cgraph_add_asm_node): Declare.
20168 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20170 (cgraph_varpool_assemble_pending_decls): Call it.
20171 (cgraph_output_pending_asms): New static function.
20172 (cgraph_finalize_compilation_unit): Call it.
20173 (struct cgraph_order_sort): Define.
20174 (cgraph_output_in_order): New static function.
20175 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20176 !flag_toplevel_reorder case.
20177 * c-parser.c: Include "cgraph.h".
20178 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20180 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20181 than -fno-unit-at-a-time.
20182 * doc/invoke.texi (Option Summary): Mention
20183 -fno-toplevel-reorder.
20184 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20185 -funit-at-a-time documentation.
20187 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20188 Kazu Hirata <kazu@codesourcery.com>
20190 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20192 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20194 * Makefile.in (FUNCTION_H): New. Use it instead of
20195 function.h throughout the file.
20196 * function.h: Include tree.h.
20198 2006-01-17 Ben Elliston <bje@au.ibm.com>
20200 * recog.c: Separate some functions with whitespace.
20202 2006-01-16 Richard Henderson <rth@redhat.com>
20204 Merge from gomp branch:
20205 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20206 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20207 and rename from struct inline_data. Rename callee* to dst*;
20208 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20209 transform_new_cfg, transform_return_to_modify, and
20210 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20212 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20213 (copy_decl_for_dup): Remove.
20214 * tree-inline.c (struct inline_data): Move to header.
20215 (insert_decl_map): Export.
20216 (remap_decl): Update for member name changes. Use copy_decl hook.
20217 Allow for replacement to be a non-decl. Remove dead code.
20218 (remap_type_1): Check for existing mapping.
20219 (remap_type): Export.
20220 (remap_decls): Update for member name changes.
20221 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20222 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20223 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20224 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20225 (tree_function_versioning, build_duplicate_type): Likewise.
20226 (copy_body_r): Likewise. Export.
20227 (copy_decl_for_dup): Split into ...
20228 (copy_decl_for_dup_finish, copy_decl_to_var,
20229 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20230 (replace_ref_tree, inlining_p): Remove.
20232 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20234 * ifcvt.c (if_convert): Make it static.
20235 * rtl.h: Remove the prototype for if_convert.
20237 * local-alloc.c (local_alloc): Make it static.
20238 * rtl.h: Remove the prototype for local_alloc.
20240 * loop.c (loop_optimize): Make it static.
20241 * cfgloop.h: Remove the prototype for loop_optimize.
20244 2006-01-16 DJ Delorie <dj@redhat.com>
20246 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20249 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20251 * pa.md: Disparage copies between general and floating-point registers
20252 in 32-bit move patterns.
20254 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20257 * Makefile.in (check-%): Depend on site.exp instead of
20258 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20261 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20263 * global.c (global_alloc): Make it static.
20264 * rtl.h: Remove the prototype for global_alloc.
20266 2006-01-16 Richard Guenther <rguenther@suse.de>
20268 * tree-ssa-alias.c (struct used_part): Add write_only field.
20269 (get_or_create_used_part_for): Initialize it to true.
20270 (create_overlap_variables_for): Don't create structure variables
20271 for structures that only are written to.
20272 (find_used_portions): Handle MODIFY_EXPR to track whether a
20273 structure is only written to.
20275 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20277 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20279 * basic-block.h: Remove the prototype for
20280 partition_hot_cold_basic_blocks.
20282 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20284 * cppspec.c (lang_specific_spec_functions): Remove.
20285 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20286 * gcc.h (lang_specific_spec_functions): Remove.
20287 * gccspec.c (lang_specific_spec_functions): Remove.
20289 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20291 * combine.c (record_value_for_reg): Invalidate registers
20293 (record_dead_and_set_regs_1): Likewise, by passing them to
20294 record_value_for_reg.
20295 (record_dead_and_set_regs): Invalidate stores made by a
20296 call. We do not combine across a call, but we still
20297 relied on equivalences.
20299 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20301 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20302 vrp_int_const_binop returning non-constant nodes.
20304 2006-01-16 Paul Brook <paul@codesourcery.com>
20306 * config/m68k/m68k.c (output_move_const_into_data_reg):
20307 Output correct mnemonic for mvz and mvs.
20309 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20311 * rtl-factoring.c: Add sequence abstraction algorithm.
20312 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20313 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20315 (block_has_preserve_label): New function.
20316 * common.opt: Register new pass.
20317 * Makefile.in: Ditto.
20319 * timevar.def: Ditto.
20320 * tree-pass.h: Ditto.
20321 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20322 * rtl.h (make_jump_insn_raw): Add forward decl.
20323 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20325 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20326 Roger Sayle <roger@eyesopen.com>
20328 * fold-const.c (fold_minmax): New static function.
20329 (fold_binary) <MIN_EXPR>: Call it.
20330 <MAX_EXPR>: Likewise.
20331 * stor-layout.c (place_field): Use DECL_SIZE consistently
20332 in the computation of the new record size.
20334 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20336 * cse.c (cse_condition_code_reg): Make it static.
20337 * rtl.h: Remove the prototype for cse_condition_code_reg.
20339 * combine.c (combine_instructions): Make it static.
20340 * rtl.h: Remove the prototype for combine_instructions.
20342 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20345 * tree.c (get_file_function_name_long): Concatenate the first global
20346 object name with a string derived from the input filename of the object
20349 2006-01-16 Ben Elliston <bje@au.ibm.com>
20351 * config/i386/winnt-stubs.c: Update FSF address.
20352 * config/xtensa/ieee754-df.S: Ditto.
20353 * config/xtensa/ieee754-sf.S: Ditto.
20355 2006-01-14 Ian Lance Taylor <ian@airs.com>
20357 * ifcvt.c (noce_init_if_info): New static function, broken out of
20358 noce_process_if_block.
20359 (noce_process_if_block): Call noce_init_if_info.
20360 (check_cond_move_block): New static function.
20361 (cond_move_process_if_block): New static function.
20362 (process_if_block): Call cond_move_process_if_block.
20364 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20366 * cselib.c (hash_table): Rename to cselib_hash_table.
20367 (cselib_clear_table, discard_useless_values,
20368 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20369 cselib_init, cselib_finish): Adjust uses of hash_table.
20371 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20373 PR tree-optimization/25485
20374 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20375 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20376 is known to be false and true, respectively.
20378 2006-01-14 Richard Guenther <rguenther@suse.de>
20380 PR tree-optimization/22548
20381 PR tree-optimization/22555
20382 PR tree-optimization/22501
20383 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20384 * params.def (salias-max-array-elements): New parameter.
20385 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20386 * doc/invoke.texi (salias-max-array-elements): Document.
20387 * tree-flow-inline.h (var_can_have_subvars): We also handle
20389 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20391 * tree-ssa-structalias.c (params.h): Include.
20392 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20393 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20394 (get_constraint_for): For ADDR_EXPR operating on something
20395 containing an ARRAY_REF, add all subvars to the solution.
20396 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20397 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20398 for creating MUST_DEFs.
20399 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20401 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20403 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20405 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20406 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20407 number_of_iterations_le): New functions.
20408 (number_of_iterations_special): Removed.
20409 (number_of_iterations_exit): Do not use number_of_iterations_special.
20410 * tree.c (unsigned_type_for): Always return integer type.
20412 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20413 Richard Guenther <rguenther@suse.de>
20415 PR rtl-optimization/24257
20416 * gcse.c (find_moveable_store): Only consider a store movable
20417 when the SET_SRC of the insn can be assigned to a register.
20419 2006-01-14 Ian Lance Taylor <ian@airs.com>
20421 * tree.c (tree_not_class_check_failed): New function.
20422 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20423 (tree_not_class_check_failed): Declare.
20425 2006-01-13 Ian Lance Taylor <ian@airs.com>
20427 * reload1.c (do_output_reload): Add assertion rejecting a
20430 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20432 * combine.c (struct reg_stat): Add new fields truncation_label and
20434 (record_value_for_reg): Reset truncated_to_mode.
20435 (record_truncated_value): New function.
20436 (check_promoted_subreg): Call it. Rename to check_conversions.
20437 (combine_instructions): Rename check_promoted_subreg to
20439 (reg_truncated_to_mode): New function.
20440 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20441 (gen_lowpart_or_truncate): New function.
20442 (force_to_mode): Use it instead of gen_lowpart.
20444 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20446 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20447 VAR is a tag, not its type tag.
20449 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20451 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20452 alternatives to match style of other entries.
20453 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20455 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20457 PR tree-optimization/25771
20458 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20461 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20464 * tree-inline.c (declare_return_variable): If the return variable
20465 was marked as a non gimple complex, set the return slot variable
20466 to be a non gimple comple variable.
20468 2006-01-13 Richard Guenther <rguenther@suse.de>
20470 * builtins.c (expand_builtin_sincos): New function.
20471 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20473 (expand_builtin): Expand sincos using expand_builtin_sincos.
20475 2006-01-12 DJ Delorie <dj@redhat.com>
20477 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20478 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20479 so that constant shifts can be split.
20480 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20481 (m32c_valid_pointer_mode): Make static.
20482 (shift_gen_func_for): New.
20483 (m32c_prepare_shift): Use it. Split large const shifts into
20485 * config/m32c/predicates.md (shiftcount_operand): Allow more
20487 (longshiftcount_operand): New.
20488 * doc/md.texi (Machine Constraints): Document In6.
20490 2006-01-13 Ben Elliston <bje@au.ibm.com>
20492 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20493 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20496 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20498 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20499 to try to avoid clobbering pieces of structures when we know
20500 something about the whole structure.
20501 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20503 2006-01-13 Ben Elliston <bje@au.ibm.com>
20505 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20506 return in memory, as this is no limitation is no longer present.
20508 2006-01-12 DJ Delorie <dj@redhat.com>
20510 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20511 mova with fb, and for fb+0 -> An.
20513 * config/m32c/mov.md (peephole2): Fix enabling logic.
20515 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20516 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20517 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20518 FINI_ARRAY_SECTION_ASM_OP): Define.
20520 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20522 (m32c_legitimize_reload_address): New logic to reload FB to An.
20523 (m32c_output_reg_push): Add newline.
20524 (m32c_output_reg_pop): Likewise.
20526 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20528 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20530 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20532 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20534 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20536 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20539 2006-01-11 Ben Elliston <bje@au.ibm.com>
20541 * rtlanal.c (find_reg_note): Assert insn is not null.
20543 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20545 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20548 2006-01-11 Jeff Law <law@redhat.com>
20550 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20552 (mark_threaded_blocks, register_jump_thread): New functions.
20553 (thread_through_all_blocks): Remove unwanted argument. No
20554 longer rely on e->aux to communicate thread target info.
20555 Call mark_threaded_blocks. Release the threaded_blocks
20556 bitmap and threaded_edges vector when complete.
20557 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20558 (threaded_blocks): Remove.
20559 (tree_ssa_dominator_optimize): Remove initialization and
20560 finalization of threaded_blocks. Simplify call to
20561 thread_through_all_blocks.
20562 (thread_across_edge): Call register_jump_thread rather than
20563 storing thread information into e->aux.
20564 (free_all_edge_infos): Simplify now that e->aux is no longer
20565 used to communicate with thread_through_all_blocks.
20566 * tree-flow.h (thread_through_all_blocks): Update prototype.
20567 (register_jump_thread): Prototype.
20569 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20571 * df-core.c (df_compact_blocks, df_bb_replace): Use
20572 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20574 2006-01-11 Richard Guenther <rguenther@suse.de>
20576 PR tree-optimization/25734
20577 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20578 stop propagation after successful propagation to the LHS.
20580 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20582 * basic-block.h (control_flow_graph): Change the type of
20583 x_basic_block_info to VEC(basic_block,gc) *.
20584 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20586 (SET_BASIC_BLOCK): New.
20587 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20588 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20589 * cfgbuild.c (find_basic_blocks): Likewise.
20590 * cfglayout.c (fixup_reorder_chain): Likewise.
20591 * cfgrtl.c (create_basic_block_structure,
20592 rtl_create_basic_block): Likewise.
20593 * ifcvt.c (find_if_case_1): Likewise.
20594 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20597 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20599 * Makefile.in: Removed rotted odf.c entry.
20601 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20604 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20605 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20606 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20607 output pattern modifier, not %e.
20608 * config/cris/cris.c (cris_op_str): Update comment about pattern
20610 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20611 before falling through into...
20612 <case 'E'>: Redefined from old 'e' case.
20614 2006-01-11 Jan Hubicka <jh@suse.cz>
20617 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20619 2006-01-11 Jan Hubicka <jh@suse.cz>
20621 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20622 * i386.c (x86_decompose_lea): Kill.
20623 (ix86_rtx_costs): Kill.
20625 2006-01-11 Jan Hubicka <jh@suse.cz>
20627 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20628 * cgraph.h (cgraph_node): Add inline_decl.
20629 (cgraph_insert_node_to_hashtable): Declare.
20630 (save_inline_function_body): Declare.
20631 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20633 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20634 (cgraph_function_versioning): Update call of tree_function_versioning.
20635 (save_inline_function_body): New function.
20636 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20637 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20638 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20639 (cgraph_default_inline_p): Likewise.
20640 (cgraph_decide_inlining_incrementally): Likewise.
20641 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20642 (copy_bb): Kill saving; do updating of clones.
20643 (copy_cfg_body): Kill saving.
20644 (initialize_inlined-parameters): Likewise.
20645 (expand_call_inline): Likewise.
20647 (tree_function_versioning): New parameter "update_clones".
20648 (inlining_p): Kill saving.
20649 * tree-inline.h (tree_function_versioning): Update prototype.
20650 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20653 2006-01-11 Ian Lance Taylor <ian@airs.com>
20655 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20656 Allow undoing set of machine mode.
20657 (do_SUBST): Use enums instead of is_int.
20658 (do_SUBST_MODE): New function.
20659 (SUBST_MODE): New macro.
20660 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20661 reg and trying to replace reg_regno_rtx with a new register.
20662 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20663 (simplify_set): Use SUBST_MODE.
20664 (distribute_notes): Remove code that tried to update reg notes
20665 for regno_reg_rtx changes.
20667 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20669 PR tree-optimization/23109
20670 PR tree-optimization/23948
20671 PR tree-optimization/24123
20673 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20674 * tree-cfg.c (single_noncomplex_succ): New.
20675 * tree-flow.h (single_noncomplex_succ): Declare it.
20676 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20677 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20678 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20679 insert_bb, register_division_in, insert_reciprocals,
20680 replace_reciprocal, free_bb): New.
20681 (execute_cse_reciprocals_1): Rewritten.
20682 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20683 Do not commit any edge insertion. Always compute dominators and
20684 create the allocation pool.
20685 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20686 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20687 * targhooks.c (default_min_divistions_for_recip_mul): New.
20688 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20689 * passes.c (init_optimization_passes): Run recip after tree loop
20691 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20693 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20694 Kenneth Zadeck <zadeck@naturalbridge.com>
20696 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20697 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20698 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20699 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20700 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20701 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20702 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20703 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20704 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20705 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20706 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20707 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20708 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20709 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20710 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20711 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20712 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20713 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20714 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20715 DF_SCAN_POST_ALLOC): New macros.
20716 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20717 df_free_bb_function, df_local_compute_function, df_init_function,
20718 df_dataflow_function, df_confluence_function_0,
20719 df_confluence_function_n, df_transfer_function,
20720 df_finalizer_function, df_free_function, df_dump_problem_function,
20721 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20722 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20723 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20724 df_urec_bb_info, ) New types.
20725 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20727 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20728 df_analyze_simple_change_some_blocks,
20729 df_analyze_simple_change_one_block, df_compact_blocks,
20730 df_bb_replace, df_bb_regno_last_use_find,
20731 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20732 df_insn_regno_def_p, df_find_def, df_find_use,
20733 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20734 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20735 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20736 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20737 debug_df_chain, df_get_dependent_problem, df_chain_create,
20738 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20739 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20740 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20741 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20742 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20743 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20744 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20745 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20746 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20747 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20748 df_reorganize_refs, df_set_state, df_hard_reg_init,
20749 df_read_modify_subreg_p) New public functions.
20750 * df-core.c: The core dataflow solver and glue routines for rtl
20752 (df_init, df_add_problem, df_set_blocks, df_finish,
20753 df_hybrid_search_forward, df_hybrid_search_backward,
20754 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20755 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20756 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20757 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20758 df_reg_defined, df_find_use, df_reg_used, df_dump,
20759 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20760 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20761 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20762 debug_df_useno, reset_df_after_reload): New functions.
20763 * df-scan.c: The scanning fuctions, once in df.c, completely
20764 rewritten so that they now fully model the functionality of
20765 register usage at the backend.
20766 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20767 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20768 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20769 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20770 df_get_artificial_defs, df_get_artificial_uses,
20771 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20772 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20773 df_refs_delete, df_reorganize_refs, df_set_state,
20774 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20775 df_def_record_1, df_defs_record, df_uses_record,
20776 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20777 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20778 df_record_exit_block_uses, df_hard_reg_init): New functions.
20780 * df-problems.c: Seven concrete dataflow problems that use the
20781 scanning in df-scan.c and are solved by the engine in df-core.c.
20782 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20783 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20784 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20785 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20786 df_ru_free_bb_info, df_ru_alloc,
20787 df_ru_bb_local_compute_process_def,
20788 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20789 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20790 df_ru_transfer_function, df_ru_free, df_ru_dump,
20791 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20792 df_rd_free_bb_info, df_rd_alloc,
20793 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20794 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20795 df_rd_transfer_function, df_rd_free, df_rd_dump,
20796 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20797 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20798 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20799 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20800 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20801 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20802 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20803 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20804 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20805 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20806 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20807 df_urec_mark_reg_use_for_earlyclobber,
20808 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20809 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20810 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20811 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20812 df_chain_create_bb_process_use, df_chain_create_bb,
20813 df_chain_finalize, df_chain_free, df_chains_dump,
20814 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20815 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20816 df_reg_lifetime): New functions.
20817 * df.c: Deleted file.
20818 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20819 consistent with new df api.
20820 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20821 rest_of_handle_sms): Ditto.
20822 * web.c (unionfind_union, union_defs, entry_register, web_main):
20824 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20825 invariant_expr_equal_p, find_defs, check_dependencies,
20826 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20827 free_inv_motion_data, move_loop_invariants): Ditto.
20828 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20829 Update dependencies.
20830 (odf.c): Added defective entry that was deleted later in day.
20831 * sched-deps.c (sched_analyze_1): Ditto.
20833 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20835 * tree-ssa-operands.c (get_expr_operands): Record addressable
20836 variables directly. Do not call add_stmt_operands for CONST_DECLs
20838 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20839 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20841 2006-01-11 Ben Elliston <bje@au.ibm.com>
20843 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20844 function returns true in the positive case.
20846 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20849 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20850 for SI, DI, SF and DF modes. Add alternatives to copy between
20851 general and floating point registers to the 32-bit patterns.
20852 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20853 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20854 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20855 generating 64-bit code.
20856 * config/pa/pa.c (output_move_double): Handle copies between general
20857 and floating registers.
20859 2006-01-10 Stuart Hastings <stuart@apple.com>
20861 * config/i386/i386.md (set_got): Update.
20862 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20863 (builtin_setjmp_receiver): Mach-O support.
20864 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20865 (GOT_SYMBOL_NAME): Define.
20866 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20867 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20868 * config/i386/i386.c (override_options): Revise for Darwin.
20869 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20870 support. (darwin_x86_file_end): New. (output_set_got): Add label
20871 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20872 * config/i386/i386-protos.h (output_set_got): Likewise.
20873 * config/darwin.c (machopic_legitimize_pic_address): Update
20876 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20878 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20879 when MODE isn't BLKmode.
20881 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20883 PR rtl-optimization/25367
20884 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20886 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20889 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20890 for a negative bound.
20892 2006-01-10 Richard Guenther <rguenther@suse.de>
20894 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20895 Never override with anything constraint.
20897 2006-01-10 Jan Beulich <jbeulich@novell.com>
20899 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20900 256 bits when optimize_size.
20902 2006-01-10 Jan Beulich <jbeulich@novell.com>
20904 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20906 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20907 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20910 2006-01-10 Ben Elliston <bje@au.ibm.com>
20912 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20914 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20915 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20916 (USE_FP_FOR_ARG): Reject decimal float modes.
20917 (function_arg_advance): Likewise.
20918 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20919 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20920 point types in AltiVec vectors.
20921 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20922 (rs6000_libcall_value): Likewise.
20924 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20926 * config/xtensa/ieee754-df.S: New file.
20927 * config/xtensa/ieee754-sf.S: New file.
20928 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20929 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20930 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20932 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20934 * config/sh/predicates.md (binary_float_operator,
20935 binary_logical_operator, commutative_float_operator,
20936 equality_comparison_operator, greater_comparison_operator,
20937 less_comparison_operator, logical_operator,
20938 noncommutative_float_operator, shift_operator,
20939 symbol_ref_operand, unary_float_operator): Remove redundant
20942 2006-01-09 Jeff Law <law@redhat.com>
20944 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20945 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20946 now unused arguments. Callers updated.
20947 (eliminate_redundant_computations): Remove now unused arguments,
20949 (local_fold): Remove, no longer used.
20950 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20952 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20953 (simplify_cond): New function.
20954 (forward_propagate_into_cond): Call simplify_cond.
20956 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20958 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20959 (*vec_extractv2di_1_sse): New.
20961 2006-01-09 Ben Elliston <bje@au.ibm.com>
20963 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
20965 2006-01-08 Richard Guenther <rguenther@suse.de>
20967 * tree-ssa-structalias.c (get_constraint_for): Remove
20968 anyoffset argument.
20969 (get_constraint_for_component_ref): Likewise.
20970 (do_deref): Likewise.
20971 (get_constraint_for): Likewise.
20972 (do_structure_copy): Likewise.
20973 (handle_ptr_arith): Likewise.
20974 (find_func_aliases): Likewise. Remove unused need_anyoffset
20977 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20978 Kaz Kojima <kkojima@gcc.gnu.org>
20980 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20981 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20982 (EXTRA_CONSTRAINT_C16): Remove.
20983 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
20984 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
20985 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20986 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20987 constants of SHmedia. Handle nested constant expressions of
20989 (andcosts): Fix the costs for SHmedia constants.
20990 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20991 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20992 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20993 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20994 (movv4hi_i, movv2si_i): Likewise.
20995 (movsi_const): Adjust the second operand of ior so to match with
20996 the Csu constraint.
20997 (movdi_const, movdi_const_32bit): Likewise.
20998 (movdi_const_16bit+1): Don't sign-extend LOW.
20999 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21001 (*double_shori): Fix the split condition. Use GEN_INT instead
21002 of get_int_mode calls. Mask lower 16-bit of the argument of
21004 (sym2GOTPLT): Remove.
21005 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21007 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21008 instead of EXTRA_CONSTRAINT_C16.
21010 2006-01-07 Ian Lance Taylor <ian@airs.com>
21011 David Edelsohn <edelsohn@gnu.org>
21013 PR rtl-optimization/25662
21014 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21015 for constant operands instead of simplify_gen_binary.
21016 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21017 after trying simplify_binary_operation
21019 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21021 * tree.c (iterative_hash_expr): Hash decls based on UID.
21023 2006-01-06 Eric Christopher <echristo@apple.com>
21025 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21026 (TARGET_UNWIND_EMIT): Fix spelling.
21027 * target.h (gcc_target): Add except_table_label.
21028 * except.c (output_function_exception_table): Use.
21029 * varasm.c (default_emit_except_table_label): New.
21030 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21032 (asm_out): Add here.
21033 * output.h (default_emit_except_table_label): Prototype.
21034 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21035 * config/darwin.c (darwin_emit_except_table_label): Define.
21036 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21038 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21040 PR tree-optimization/18527
21041 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21042 number_of_iterations_special, number_of_iterations_exit):
21043 Move base and step of an iv to a single structure. Add
21044 no_overflow flag, and use it in # of iterations analysis.
21045 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21046 folded_casts argument.
21047 (simple_iv): Pass base and step in a structure. Set no_overflow
21049 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21050 Evaluate expensiveness of computing # of iterations instead of
21051 the final expression.
21052 * tree-scalar-evolution.h (affine_iv): New structure.
21053 (simple_iv): Declaration changed.
21054 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21055 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21056 find_givs_in_stmt): Changed due to simple_iv change.
21058 2006-01-06 Jeff Law <law@redhat.com>
21061 * tree-cfg.c (bsi_replace): Rename final argument from
21062 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21063 change (stmt -> orig_stmt).
21064 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21065 (bsi_remove): Add new argument. Remove EH information
21067 (verify_eh_throw_table_statements): New function.
21068 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21070 * tree-optimize.c (execute_free_cfg_annotations): Verify
21071 the EH throw statement table after removing annotations.
21072 * except.h (verify_eh_throw_table_statements): Prototype.
21073 * tree-flow.h (bsi_remove): Update prototype.
21074 * tree-vrp.c (remove_range_assertions): Add new argument to
21076 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21077 * tree-complex.c (expand_complex_div_wide): Likewise.
21078 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21079 * tree-tailcall.c (eliminate_tailcall): Likewise.
21080 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21081 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21082 * tree-nrv.c (tree_nrv): Likewise.
21083 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21084 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21085 (combine_blocks): Likewise.
21086 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21087 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21088 (cleanup_control_flow): Likewise.
21089 (remove_forwarder_block): Likewise.
21090 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21091 * tree-sra.c (sra_replace): Likewise.
21092 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21093 (forward_propagate_single_use_vars): Likewise.
21094 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21095 * tree-inline.c (expand_call_inline): Likewise.
21096 * tree-vect-transform.c (vect_transform_loop): Likewise.
21097 * tree-outof-ssa.c (rewrite_trees): Likewise.
21098 * tree-cfg.c (make_goto_expr_edges): Likewise.
21099 (cleanup_dead_labels): Likewise.
21100 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21101 (bsi_move_before, bsi_move_after): Likewise.
21102 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21103 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21105 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21108 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21110 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21111 on non gimple variables. Also add checks at the top for decls and
21113 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21115 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21116 and IMAGPART_EXPR for creating MUST_DEFs.
21117 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21118 and NAME_MEMORY_TAG separately from the DECLs.
21120 2006-01-06 Richard Guenther <rguenther@suse.de>
21122 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21123 annotation, if necessary.
21124 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21125 redundant calls to update_stmt.
21126 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21129 2006-01-05 Richard Henderson <rth@redhat.com>
21131 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21133 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21135 * c-typeck.c: Update copyright date.
21137 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21139 * c-typeck.c (build_c_cast): Always warn when casting
21140 from a pointer to an integer of different size, even if
21141 the node was constant.
21143 2006-01-05 Richard Guenther <rguenther@suse.de>
21145 PR tree-optimization/22555
21146 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21147 if one structure field is an array.
21148 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21149 operands even if we found a subvar, but ignore VOPs in this
21151 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21153 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21155 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21157 PR middle-end/24998
21158 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21160 2006-01-05 Richard Guenther <rguenther@suse.de>
21161 Diego Novillo <dnovillo@redhat.com>
21163 * tree-pass.h (TODO_remove_unused_locals): Define.
21164 * gimple-low.c (expand_var_p, remove_useless_vars,
21165 pass_remove_useless_vars): Remove. Update all users.
21166 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21167 (remove_unused_locals): New function.
21168 * tree-flow.h (remove_unused_locals): Declare.
21169 * passes.c (execute_todo): Call remove_unused_locals if
21170 TODO_remove_unused_locals is set.
21171 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21172 * tree-ssa-dce.c (pass_dce): Likewise.
21173 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21175 2006-01-05 Richard Guenther <rguenther@suse.de>
21177 * tree-flow.h (struct fieldoff): Decompose field to
21178 type, size and decl.
21179 * tree-ssa-alias.c (create_sft): Take type as parameter.
21180 (create_overlap_variables_for): Store type, size and decl
21181 in the fieldoff structure.
21182 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21183 of struct fieldoff.
21184 (push_fields_onto_fieldstack): Likewise.
21185 (create_variable_info_for): Likewise. Use offset for the
21186 SFT name if the decl is not available.
21188 2006-01-04 Paul Brook <paul@codesourcery.com>
21190 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21192 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21194 * lambda-code.c (can_put_in_inner_loop): Relax
21196 (can_put_after_inner_loop): New function.
21197 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21198 (perfect_nestify): Change to make copies and modify uses.
21200 2006-01-04 Richard Henderson <rth@redhat.com>
21202 Merge from gomp branch:
21203 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21204 via integer constant.
21205 (pragma_lex): Remove.
21206 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21207 rather than parsing it.
21208 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21209 handle_pragma_extern_prefix): Add %< %> quotes.
21210 (registered_pragmas): New.
21211 (c_register_pragma_1): New.
21212 (c_register_pragma): Use it.
21213 (c_register_pragma_with_expansion): Likewise.
21214 (c_invoke_pragma_handler): New.
21215 (init_pragma): Use cpp_register_deferred_pragma directly for
21217 * c-pragma.h (enum pragma_kind): New.
21218 (pragma_handler): New.
21219 (c_invoke_pragma_handler): Declare.
21220 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21222 * c-common.h (c_common_pch_pragma): Update decl.
21223 * Makefile.in (c-parser.o): Update dependencies.
21224 (GTFILES): Add c-pragma.h.
21225 * c-parser.c (struct c_token): Add pragma_kind.
21226 (struct c_parser): Add in_pragma.
21227 (c_lex_one_token): Always initialize keyword and pragma_kind.
21228 Extract data for CPP_PRAGMA.
21229 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21230 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21231 Don't allow CPP_PRAGMA_EOL if in_pragma.
21232 (c_parser_consume_pragma): New.
21233 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21234 (c_parser_skip_to_end_of_parameter): Likewise.
21235 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21236 (c_parser_skip_to_pragma_eol): New.
21237 (c_parser_external_declaration): Handle CPP_PRAGMA.
21238 (c_parser_compound_statement_nostart): Likewise.
21239 (c_parser_statement_after_labels): Likewise.
21240 (c_parser_pragma): New.
21241 (pragma_lex): Likewise.
21242 (c_parser_pragma_pch_preprocess): New.
21243 (c_parser_new): Merge into ...
21244 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21246 2006-01-04 Jeff Law <law@redhat.com>
21249 * tree-cfg.c (bsi_replace): Remove the original statement
21250 from the EH throw statement table.
21252 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21254 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21255 make the prototype extern "C" and add throw ().
21258 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21259 and pos non-negative and pos + len <= 32.
21260 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21261 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21262 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21265 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21266 as well as sizes not multiple of component size.
21269 * function.c (instantiate_expr): New function.
21270 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21271 walk its DECL_VALUE_EXPR with instantiate_expr.
21273 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21274 DW_OP_deref{,_size} if address isn't going to be added.
21276 2006-01-04 Ben Elliston <bje@au.ibm.com>
21278 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21279 * config/fp-bit.c: Likewise.
21281 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21283 * dominance.c: Add comment about why we use DFS numbering
21286 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21287 Richard Henderson <rth@redhat.com>
21289 Merge from gomp-branch:
21290 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21291 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21293 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21295 PR rtl-optimization/25578
21296 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21297 pass a parameter to simplify_shift_const if changing ASHIFTRT
21300 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21302 * builtins.c (get_builtin_sync_mem): New function.
21303 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21304 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21305 Call get_builtin_sync_mem to generate mem rtx.
21307 2006-01-03 Richard Guenther <rguenther@suse.de>
21310 * stmt.c (add_case_node): Make sure to clear overflow flags
21313 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21315 Merge from gomp-branch.
21316 * config/sparc/sync.md: New file.
21317 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21318 UNSPECV_LDSTUB): New constants.
21319 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21320 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21321 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21324 2006-01-03 Roger Sayle <roger@eyesopen.com>
21326 * combine.c (reg_subword_p): New predicate to test whether the
21327 destination of a set refers to a subword/piece of a register.
21328 (try_combine): Generalize the code to merge the setting of a
21329 pseudo to a constant followed by a set of a subword of that
21330 register to a constant.
21332 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21334 * basic-block.h (control_flow_graph): Change the type of
21335 x_label_to_block_map to VEC(basic_block,gc) *.
21336 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21337 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21339 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21340 VEC(basic_block,heap) *.
21341 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21342 ssa_prop_fini): Adjust the uses of cfg_blocks.
21344 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21346 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21348 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21349 hashing trees instead of a pointer hash.
21350 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21351 compare for MEM_EXPR.
21353 PR rtl-optimization/25130
21354 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21355 when comparing MEMs for GCSE
21357 2006-01-03 Ben Elliston <bje@au.ibm.com>
21359 * targhooks.h (default_decimal_float_supported_p): Declare.
21360 * targhooks.c (default_decimal_float_supported_p): Define.
21361 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21362 `default_decimal_float_supported_p'.
21363 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21365 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21367 * combine.c (apply_distributive_law <SUBREG>): Check
21368 TRULY_NOOP_TRUNCATION.
21370 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21372 * dwarf2out.c (have_switched_text_section): Delete.
21373 (have_multiple_function_sections): New.
21374 (have_location_lists): Make 'bool'.
21375 (add_AT_loc_list): Use 'true' not '1'.
21376 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21377 (output_loc_list): Use have_multiple_function_sections.
21378 (output_ranges): Likewise.
21379 (dwarf2out_begin_function): Set have_multiple_function_sections if
21381 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21382 Check function_section rather than DECL_SECTION_NAME.
21383 (dwarf2out_finish): Use have_multiple_function_sections.
21384 Don't clear have_location_lists.
21386 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21387 Jan Hubicka <jh@suse.cz>
21389 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21390 case of conditional jump jumping to the next instruction.
21391 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21392 cases of conditional jump jumping to the next instruction.
21394 2006-01-02 Jan Hubicka <jh@suse.cz>
21396 * i386.c (*_cost): Add COSTS_N_INSNS.
21397 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21399 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21402 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21404 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21406 * config/arm/arm.c (all_fpus): Fix comment typo.
21407 * config/darwin.c: Likewise.
21408 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21409 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21410 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21412 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21414 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21415 (rs6000_split_compare_and_swapqhi): New.
21416 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21417 (sync_compare_and_swapqhi_internal): New.
21418 * config/rs6000/rs6000-protos.h: Declare.