1 2006-12-05 Eric Christopher <echristo@apple.com>
3 * config/i386/i386.c (x86_output_aligned_bss): Move out
4 of COMMON_ASM_OP ifdef.
6 2006-12-05 Eric Christopher <echristo@apple.com>
8 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
10 (DARWIN_DYLIB1_SPEC): New.
11 (DARWIN_CRT1_SPEC): New.
12 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
14 * config/i386/darwin.h: Ditto.
15 * config/rs6000/darwin.h: Ditto.
17 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
19 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
20 * tree-complex.c (pass_lower_complex): Ditto.
21 * tree-ssa-ccp.c (pass_ccp): Ditto.
22 (pass_store_ccp): Ditto.
23 * tree-ssa-dom.c (pass_dominator): Ditto.
24 (pass_phi_only_cprop): Ditto.
25 * tree-sra.c (pass_sra): Ditto.
26 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
27 * tree-flow.h (updating_used_alone): Remove.
28 (updating_used_alone): Ditto.
29 * tree-ssa-alias.c (updating_used_alone): Remove variable.
30 (lhs_may_store_to): Remove function.
31 (recalculate_used_alone): Ditto.
32 (compute_may_aliases): Remove used_alone calculation.
33 * tree.h (struct tree_memory_tag): Remove is_used_alone and
34 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
35 * tree-pass.h (PROP_smt_usage): Remove.
36 * passes.c (execute_todo): Remove used alone recalculation.
37 (execute_one_pass): Ditto.
38 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
41 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
43 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
45 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
47 PR tree-optimization/14784
48 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
50 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
52 Merge from gimple-tuples-branch.
54 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
56 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
58 (s390_gimplify_va_arg): Same.
59 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
60 * config/sh/sh.c (sh_va_start): Same.
61 (sh_gimplify_va_arg_expr): Same.
62 * config/xtensa/xtensa.c (xtensa_va_start): Same.
63 (xtensa_gimplify_va_arg_expr): Same.
64 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
65 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
66 * config/mips/mips.c (mips_va_start): Same.
67 (mips_gimplify_va_arg_expr): Same.
69 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
71 * Merge from mainline at revision 119445.
73 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
75 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
77 (spu_gimplify_va_arg_expr): Same.
79 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
81 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
82 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
83 (xstormy16_expand_builtin_va_arg): Same.
85 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
87 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
88 to GIMPLE_MODIFY_STMT.
90 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
92 * config/alpha/alpha.c (va_list_skip_additions): Change all
93 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
94 (alpha_va_start): Same.
95 (alpha_gimplify_va_arg_1): Same.
96 (alpha_gimplify_va_arg): Same.
98 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
100 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
102 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
104 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
105 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
107 * tree-complex.c: Same.
108 * tree-pretty-print.c: Same.
112 * fold-const.c: Same.
113 * tree-ssa-dom.c: Same.
114 * tree-ssa-propagate.c: Same.
115 * tree-ssa-alias.c: Same.
116 * gimple-low.c: Same.
118 * c-pretty-print.c: Same.
120 * tree-inline.c: Same.
121 * tree-outof-ssa.c: Same.
122 * tree-ssa-structalias.c: Same.
123 * tree-ssa-reassoc.c: Same.
126 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
128 * tree.c (build2_stat): Fix comment.
130 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
132 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
133 TREE_OPERAND when appropriate.
135 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
137 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
138 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
139 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
140 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
141 not handle GIMPLE_MODIFY_STMT in the switch statement.
142 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
143 (java_gimplify_new_array_init): Same.
145 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
147 * gimplify.c (gimplify_omp_for): Allow gimple statements.
148 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
149 * fold-const.c (fold_binary): Allow gimple statements.
151 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
152 Rename from gfc_conv_descriptor_data_set.
153 Call gfc_add_modify instead of gfc_add_modify_expr.
154 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
155 Rename from gfc_conv_descriptor_data_set.
156 (gfc_conv_descriptor_data_set): New macro.
157 (gfc_conv_descriptor_data_set_tuples): New macros.
158 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
159 gfc_conv_descriptor_data_set_tuples.
160 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
161 Generate GIMPLE_MODIFY_STMT when appropriate.
162 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
163 (gfc_add_modify_expr): New macro.
164 (gfc_add_modify_stmt): New macro.
165 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
167 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
169 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
170 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
173 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
175 * Merge from mainline at revision 118200.
177 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
179 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
182 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
184 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
186 Also, add __extension__ to GCC versions.
187 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
188 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
191 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
193 * tree-complex.c (expand_complex_libcall): Adjust for
195 (expand_complex_comparison): Same.
196 * tree-pretty-print.c (dump_generic_node): Is_expr should include
197 GIMPLE_STMT_P statements.
198 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
200 (tree_mod_pow2_value_transform): Same.
201 (tree_mod_subtract_transform): Same.
202 * tree.c (build2_stat): Check for gimplified function in cfun.
203 * tree.h (DECL_GIMPLIFIED): Delete.
204 (struct tree_function_decl): Remove gimplified_flag.
205 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
206 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
207 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
208 (cxx_omp_clause_copy_ctor): Same.
209 (cxx_omp_clause_assign_op): Same.
210 * c-pretty-print.c (pp_c_conditional_expression): Same.
211 (pp_c_expression): Same.
212 * langhooks.c (lhd_omp_predetermined_sharing): Same.
213 * function.h (struct function): Add gimplified field.
214 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
216 (find_phi_replacement_condition): Same.
217 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
218 (gimplify_modify_expr_to_memset): Same.
219 (gimplify_init_ctor_eval_range): Same.
220 (gimplify_modify_expr_complex_part): Same.
221 (tree_to_gimple_tuple): Same.
222 (gimplify_modify_expr): Same.
223 (gimple_push_cleanup): Same.
224 (gimplify_omp_for): Same.
225 (gimplify_omp_atomic_pipeline): Same.
226 (gimplify_omp_atomic_mutex): Same.
227 (gimplify_expr): Same.
228 (gimplify_one_sizepos): Same.
229 (gimplify_function_tree): Same.
230 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
231 (vect_recog_widen_sum_pattern): Same.
232 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
233 (vect_create_epilog_for_reduction): Same.
234 (vectorizable_reduction): Same.
236 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
238 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
239 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
240 (ifc_temp_var): Same.
241 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
242 for gimple statements.
243 (vect_analyze_operations): Same.
244 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
245 * gimplify.c (gimplify_return_expr): Handle gimple statements.
246 * lambda-code.c (can_put_in_inner_loop): Same.
247 (can_put_after_inner_loop): Same.
248 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
249 (vect_create_data_ref_ptr): Same.
250 (vect_init_vector): Same.
251 (vect_get_vec_def_for_operand): Same.
252 (vect_create_epilog_for_reduction): Same.
253 (vectorizable_reduction): Same.
254 (vectorizable_assignment): Same.
255 (vectorizable_operation): Same.
256 (vectorizable_load): Same.
257 (vectorizable_condition): Same.
258 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
259 (rs6000_gimplify_va_arg): Same.
261 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
263 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
265 (simplify_abs_using_ranges): Same.
266 * tree-complex.c (expand_complex_operations_1): Use
267 PROTECTED_TREE_OPERAND.
268 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
270 (get_val_for): Use GIMPLE_STMT_OPERAND.
271 * tree-tailcall.c (adjust_accumulator_values): Same.
272 (adjust_return_value): Same.
273 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
274 case. Remove special case for tcc_gimple_stmt.
275 * tree.h (CAN_HAVE_LOCATION_P): New.
276 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
278 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
279 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
280 * tree-nrv.c (execute_return_slot_opt): Same.
281 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
282 * tree-vn.c (set_value_handle): Same.
283 (get_value_handle): Same.
284 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
285 * tree-vectorizer.c (find_loop_location): Same.
286 * c-typeck.c (c_process_expr_stmt): Same.
287 (c_finish_stmt_expr): Same.
288 * gimplify.c (should_carry_locus_p): Same.
289 (tree_to_gimple_tuple): Delete definition and use of unecessary
290 variable save_tree_block.
291 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
292 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
293 (realify_fake_stores): Same.
294 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
296 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
297 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
298 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
299 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
300 (c_parser_statement_after_labels): Same.
301 (c_parser_paren_condition): Same.
302 (c_parser_for_statement): Same.
303 (c_parser_omp_for_loop): Same.
304 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
305 (linearize_expr_tree): Same.
306 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
307 * function.c (instantiate_expr): Same.
309 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
311 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
312 (set_expr_location): Same.
314 (set_expr_locus): Same.
315 (expr_filename): Same.
317 (tree_block): Use GIMPLE_STMT_BLOCK.
318 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
319 * tree.h (struct gimple_stmt): Remove prev and next.
320 (GIMPLE_STMT_OPERAND_CHECK): New.
321 (TREE_TO_GIMPLE_STMT): Delete.
322 (GIMPLE_STMT_TO_TREE): Delete.
323 (GIMPLE_STMT_OPERAND): Use union, not cast.
324 (GIMPLE_STMT_LOCUS): New.
325 (GIMPLE_STMT_BLOCK): New.
326 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
328 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
330 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
332 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
334 * tree-tailcall.c (adjust_return_value): Same.
335 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
336 (copy_node_stat): Change common.base to base.
337 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
338 Remove GIMPLE_STATEMENT_LIST case.
339 * tree.h (struct gimple_stmt): Make operands of type tree.
340 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
341 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
342 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
343 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
344 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
345 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
346 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
347 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
348 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
349 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
350 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
351 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
352 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
353 Change common.base to base.
354 (GIMPLE_STATEMENT_LIST*): Remove.
355 (union tree_node): Add base. Remove gimple_statement_list.
356 Remove pointer from gstmt.
357 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
358 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
359 * tree-vn.c (vn_compute): Change common.base to base.
360 * tree-eh.c (verify_eh_throw_stmt_node): Same.
361 * tree-flow-inline.h (var_ann): Same.
362 (function_ann): Same.
364 (mark_non_addressable): Same.
365 * gimplify.c (tree_to_gimple_tuple): Same.
366 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
367 * tree-dfa.c (create_var_ann): Change common.base to base.
368 (create_function_ann): Same.
369 (create_stmt_ann): Same.
370 (create_tree_ann): Same.
371 (collect_dfa_stats_r): Same.
372 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
373 * tree-ssa-dce.c (NECESSARY): Same.
374 * tree-ssa.c (delete_tree_ssa): Same.
375 * tree-optimize.c (execute_free_cfg_annotations): Same.
378 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
380 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
381 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
383 * tree.h (struct gimple_stmt): Add prev and next fields.
384 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
385 (GIMPLE_STATEMENT_LIST_HEAD): New.
386 (GIMPLE_STATEMENT_LIST_TAIL): New.
387 (struct gimple_statement_list): New.
388 (union tree_node): Add gimple_stmt_list and gstmt.
389 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
390 * tree.def: Add GIMPLE_STATEMENT_LIST.
392 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
394 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
395 * tree-vrp.c (build_assert_expr_for): Change uses of
396 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
397 (find_assert_locations): Same.
398 (remove_range_assertions): Same.
399 (stmt_interesting_for_vrp): Same.
400 (vrp_visit_assignment): Same.
401 (vrp_visit_stmt): Same.
402 (simplify_cond_using_ranges): Same.
403 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
405 * tree-ssa-loop-im.c (movement_possibility): Change uses of
406 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
408 (determine_invariantness_stmt): Same.
410 (gather_mem_refs_stmt): Same.
411 * tree-complex.c (init_dont_simulate_again): Same.
412 (complex_visit_stmt): Same.
413 (set_component_ssa_name): Same.
414 (expand_complex_move): Same.
415 (expand_complex_div_wide): Same.
416 (expand_complex_comparison): Same.
417 (expand_complex_operations_1): Same.
418 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
419 (chain_of_csts_start): Same.
420 (infer_loop_bounds_from_undefined): Same.
421 * tree-pretty-print.c (dump_generic_node): Same.
424 * tree-ssa-loop-manip.c (create_iv): Same.
425 * value-prof.c (tree_divmod_fixed_value): Same.
426 (tree_divmod_fixed_value_transform): Same.
427 (tree_mod_pow2): Same.
428 (tree_mod_pow2_value_transform): Same.
429 (tree_mod_subtract): Same.
430 (tree_mod_subtract_transform): Same.
431 (tree_divmod_values_to_profile): Same.
432 * tree-tailcall.c (process_assignment): Same.
433 (find_tail_calls): Same.
434 (adjust_accumulator_values): Same.
435 (adjust_return_value): Same.
436 (eliminate_tail_call): Same.
437 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
438 (make_node_stat): Same.
439 (copy_node_stat): Handle gimple tuples.
440 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
441 (tree_node_structure): Handle tcc_gimple_stmt.
442 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
444 (build2_gimple_stat): New.
445 (expr_location): New.
446 (set_expr_location): New.
447 (expr_has_location): New.
449 (set_expr_locus): New.
450 (expr_filename): New.
452 (walk_tree): Handle tcc_gimple_stmt.
454 (protected_tree_operand): New.
455 (protected_tree_type): New.
456 (tree_code_kind): Add gimple statements.
457 * tree.h (tree_code_class): Add tcc_gimple_stmt.
458 (IS_GIMPLE_STMT_CODE_CLASS): New.
459 (struct tree_base): New.
460 (struct tree_common): Shrink.
461 (struct gimple_stmt): New.
462 (struct gimple_expr): New.
463 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
464 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
465 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
466 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
467 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
468 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
469 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
470 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
471 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
472 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
473 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
474 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
475 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
476 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
477 Adjust for new `common' layout.
478 (struct tree_function_decl): Add gimplified_flag.
479 (DECL_GIMPLIFIED): NEW.
480 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
481 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
482 EXPR_HAS_LOCATION): Call corresponding function.
483 (GIMPLE_STMT_CHECK): New.
484 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
485 (TREE_BLOCK): Call tree_block.
486 (GIMPLE_STMT_P): New.
487 (GIMPLE_TUPLE_P): New.
488 (TREE_TO_GIMPLE_STMT): New.
489 (GIMPLE_STMT_TO_TREE): New.
490 (GIMPLE_STMT_OPERAND): New.
491 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
492 (PROTECTED_TREE_OPERAND): New.
493 (PROTECTED_TREE_TYPE): New.
494 (build2_gimple_stat): Protoize.
495 (build2_gimple): New.
496 (expr_location): Protoize.
497 (set_expr_location): Protoize.
498 (expr_has_location): Protoize.
499 (expr_locus): Protoize.
500 (set_expr_locus): Protoize.
501 (expr_filename): Protoize.
502 (expr_lineno): Protoize.
503 (tree_block): Protoize.
504 (protected_tree_operand): Protoize.
505 (protected_tree_type): Protoize.
506 (enum tree_node_kind): Add gimple_stmt_kind.
507 * c-decl.c (union lang_tree_node): Tuples do not have a
509 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
510 GIMPLE_MODIFY_STMT and adjust accordingly.
511 * tree-scalar-evolution.c (follow_ssa_edge): Same.
512 (interpret_condition_phi): Same.
513 (pointer_used_p): Same.
514 (analyze_scalar_evolution_1): Same.
515 (scev_const_prop): Same.
516 (interpret_rhs_modify_stmt): Rename from
517 interpret_rhs_modify_expr.
518 * builtins.c (std_expand_builtin_va_start): Change uses of
519 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
520 (std_gimplify_va_arg_expr): Same.
521 (expand_builtin_va_copy): Same.
522 (integer_valued_real_p): Same.
523 * fold-const.c (maybe_lvalue_p): Same.
525 (tree_expr_nonnegative_p): Same.
526 (tree_expr_nonzero_p): Same.
527 * omp-low.c (extract_omp_for_data): Same.
528 (lower_rec_input_clauses): Same.
529 (lower_reduction_clauses): Same.
530 (lower_copyprivate_clauses): Same.
531 (lower_send_clauses): Same.
532 (lower_send_shared_vars): Same.
533 (expand_parallel_call): Same.
534 (expand_omp_parallel): Same.
535 (expand_omp_for_generic): Same.
536 (expand_omp_for_static_nochunk): Same.
537 (expand_omp_for_static_chunk): Same.
538 (expand_omp_sections): Same.
539 (lower_omp_single_copy): Same.
540 (lower_omp_parallel): Same.
541 * tree-ssa-dse.c (memory_address_same): Same.
542 (dse_optimize_stmt): Same.
543 * ipa-reference.c (scan_for_static_refs): Same.
544 * tree-gimple.c (is_gimple_reg_rhs): Same.
545 (get_call_expr_in): Same.
546 (recalculate_side_effects): Same.
547 * cgraphunit.c (cgraph_create_edges): Same.
548 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
549 * tree-ssa-ccp.c (get_default_value): Same.
550 (likely_value): Same.
551 (visit_assignment): Same.
552 (ccp_visit_stmt): Same.
553 (get_maxval_strlen): Same.
554 (ccp_fold_builtin): Same.
555 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
556 (find_givs_in_stmt): Same.
557 (find_interesting_uses_op): Same.
558 (find_interesting_uses_stmt): Same.
559 (rewrite_use_nonlinear_expr): Same.
560 * ipa-pure-const.c (scan_function): Same.
561 * tree-stdarg.c (va_list_counter_bump): Same.
562 (check_all_va_list_escapes): Same.
563 (execute_optimize_stdarg): Same.
564 * tree-ssa-math-opts.c (compute_merit): Same.
565 (insert_reciprocals): Same.
566 (execute_cse_reciprocals): Same.
567 * tree-ssa-dom.c (initialize_hash_element): Same.
568 (simple_iv_increment_p): Same.
569 (record_equivalences_from_stmt): Same.
570 (optimize_stmt): Same.
571 (remove_stmt_or_phi): Same.
572 (get_rhs_or_phi_arg): Same.
573 (get_lhs_or_phi_result): Same.
574 (propagate_rhs_into_lhs): Same.
575 * tree-nrv.c (tree_nrv): Same.
576 (execute_return_slot_opt): Same.
577 * tree-ssa-propagate.c (get_rhs): Same.
579 (stmt_makes_single_load): Same.
580 (stmt_makes_single_store): Same.
581 (replace_vuses_in): Same.
582 (fold_predicate_in): Same.
583 (substitute_and_fold): Same.
584 * tree-ssa-alias.c (compute_call_clobbered): Same.
585 (recalculate_used_alone): Same.
586 (count_uses_and_derefs): Same.
587 (is_escape_site): Same.
588 (find_used_portions): Same.
589 * gimple-low.c (lower_stmt): Same.
590 (block_may_fallthru): Same.
591 (lower_return_expr): Same.
592 * tree-ssa-sink.c (is_hidden_global_store): Same.
593 (statement_sink_location): Same.
594 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
595 * expr.c (safe_from_p): Same.
596 (expand_expr_real): Same.
597 (expand_expr_real_1): Same.
598 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
599 * predict.c (expr_expected_value): Same.
600 (strip_builtin_expect): Same.
601 (apply_return_prediction): Same.
602 (tree_bb_level_predictions): Same.
603 (tree_estimate_probability): Same.
604 * tree-vn.c (vn_compute): Same.
605 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
606 (remove_stmt_from_eh_region_fn): Same.
607 (do_return_redirection): Same.
608 (honor_protect_cleanup_actions): Same.
609 (lower_try_finally_switch): Same.
610 (lower_eh_constructs_1): Same.
611 (tree_could_throw_p): Same.
612 (verify_eh_throw_stmt_node): Same.
613 * function.c (gimplify_parameters): Same.
614 * tree-vectorizer.c (vect_is_simple_use): Same.
615 (vect_is_simple_reduction): Same.
616 * ipa-type-escape.c (scan_for_refs): Same.
617 * tree-if-conv.c (tree_if_conversion): Same.
618 (tree_if_convert_stmt): Same.
619 (if_convertible_gimplify_modify_stmt_p): Rename from
620 if_convertible_modify_expr_p.
621 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
622 (ifc_temp_var): Same.
623 (replace_phi_with_cond_modify_stmt): Rename from
624 replace_phi_with_cond_modify_expr.
625 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
626 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
627 * tree-data-ref.c (find_data_references_in_loop): Adjust for
629 * tree-flow-inline.h (var_ann): Same.
630 (function_ann): Same.
632 (mark_non_addressable): Same.
633 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
634 * gimplify.c (tree_to_gimple_tuple): New.
635 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
636 (gimplify_return_expr): Same.
637 (gimplify_decl_expr): Same.
638 (gimplify_self_mod_expr): Same.
639 (gimplify_cond_expr): Same.
640 (gimplify_init_constructor): Same.
641 (gimplify_modify_expr): Same.
642 (gimplify_expr): Same.
643 (gimplify_function_tree): Same.
644 (force_gimple_operand): Same.
645 * tree-ssa-phiopt.c (conditional_replacement): Same.
646 (minmax_replacement): Same.
647 (abs_replacement): Same.
648 * tree-dfa.c (create_var_ann): Same.
649 (create_function_ann): Same.
650 (create_stmt_ann): Same.
651 (create_tree_ann): Same.
652 (collect_dfa_stats_r): Same.
653 * tree-ssa-pre.c (find_or_generate_expression): Same.
654 (create_expression_by_pieces): Same.
655 (try_look_through_load): Same.
656 (insert_fake_stores): Same.
657 (realify_fake_stores): Same.
658 (compute_avail): Same.
661 (poolify_modify_stmt): Rename from poolify_modify_stmt.
662 Adjust for GIMPLE_MODIFY_STMT.
663 (NECESSARY): Adjust for new `common' layout.
664 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
666 * tree-sra.c (sra_walk_modify_stmt): Rename from
667 sra_walk_modify_expr.
668 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
669 (generate_copy_inout): Same.
670 (generate_element_copy): Same.
671 (generate_element_zero): Same.
672 (scalarize_copy): Same.
673 * tree-mudflap.c (mf_decl_cache_locals): Same.
674 (mf_build_check_statement_for): Same.
675 (mf_xform_derefs): Same.
676 * ipa-prop.c (ipa_method_modify_stmt): Same.
677 * print-tree.c (print_node): Handle gimple tuples.
678 Add case for tcc_gimple_stmt.
679 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
681 (copy_prop_visit_assignment): Same.
682 (copy_prop_visit_stmt): Same.
683 (init_copy_prop): Same.
684 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
685 (forward_propagate_into_cond_1): Same.
686 (find_equivalent_equality_comparison): Same.
687 (tidy_after_forward_propagate_addr): Same.
688 (forward_propagate_addr_expr_1): Same.
689 (simplify_not_neg_expr): Same.
690 (simplify_switch_expr): Same.
691 * tree-ssa-dce.c (find_pdom): Same.
692 (mark_stmt_if_obviously_necessary): Same.
693 (NECESSARY): Adjust for new `common' layout.
695 * tree-vect-patterns.c (widened_name_p): Adjust for
697 (vect_recog_dot_prod_pattern): Same.
698 (vect_recog_widen_sum_pattern): Same.
699 (vect_pattern_recog_1): Same.
700 * tree-nested.c (init_tmp_var): Same.
701 (save_tmp_var): Same.
703 (convert_call_expr): Same.
704 (finalize_nesting_tree_1): Same.
705 * tree-ssa.c (verify_ssa): Same.
706 (delete_tree_ssa): Same.
707 * lambda-code.c (lbv_to_gcc_expression): Same.
708 (lle_to_gcc_expression): Same.
709 (lambda_loopnest_to_gcc_loopnest): Same.
710 (can_put_in_inner_loop): Same.
711 (can_convert_to_perfect_nest): Same.
712 (perfect_nestify): Same.
713 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
714 * tree-inline.c (copy_body_r): Same.
715 (setup_one_parameter): Same.
716 (initialize_inlined_parameters): Same.
717 (estimate_num_insns_1): Same.
718 (expand_call_inline): Same.
719 (gimple_expand_calls_inline): Same.
721 * tree-optimize.c (execute_free_cfg_annotations): Same.
722 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
723 (vect_align_data_ref): Same.
724 (vect_create_data_ref_ptr): Same.
725 (vect_init_vector): Same.
726 (vect_create_epilog_for_reduction): Same.
727 (vectorizable_reduction): Same.
728 (vectorizable_assignment): Same.
729 (vectorizable_operation): Same.
730 (vectorizable_store): Same.
731 (vectorizable_load): Same.
732 (vectorizable_live_operation): Same.
733 (vectorizable_condition): Same.
734 (vect_generate_tmps_on_preheader): Same.
735 (vect_create_cond_for_align_checks): Same.
736 * tree-object-size.c (collect_object_sizes_for): Same.
737 (check_for_plus_in_loops_1): Same.
738 (check_for_plus_in_loops): Same.
739 * tree-outof-ssa.c (insert_copy_on_edge): Same.
740 (replace_use_variable): Same.
741 (check_replaceable): Same.
742 (rewrite_trees): Same.
743 (identical_copies_p): Same.
744 (insert_backedge_copies): Same.
745 * tree-profile.c (tree_gen_edge_profiler): Same.
746 * tree-vect-generic.c (expand_vector_operations_1): Same.
747 * tree-ssa-structalias.c (update_alias_info): Same.
748 (find_func_aliases): Same.
749 * tree-cfg.c (factor_computed_gotos): Same.
751 (make_goto_expr_edges): Same.
752 (tree_merge_blocks): Same.
753 (remove_useless_stmts_cond): Same.
754 (remove_useless_stmts_1): Same.
755 (tree_find_edge_insert_loc): Same.
757 (gimplify_val): Same.
758 (verify_gimple_tuples_1): New.
759 (verify_gimple_tuples): New.
760 (verify_stmts): Call verify_gimple_tuples.
761 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
762 (get_unary_op): Same.
763 (linearize_expr): Same.
764 (get_single_immediate_use): Same.
765 (negate_value): Same.
766 (should_break_up_subtract): Same.
767 (break_up_subtract): Same.
768 (repropagate_negates): Same.
769 (break_up_subtract_bb): Same.
770 (reassociate_bb): Same.
771 * config/i386/i386.c (ix86_va_start): Same.
772 (ix86_gimplify_va_arg): Same.
773 * stmt.c (expand_expr_stmt): Same.
774 (warn_if_unused_value): Same.
775 (expand_return): Same.
776 * tree-ssanames.c (make_ssa_name): Same.
777 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
778 * tree-ssa-operands.c (finalize_ssa_defs): Same.
779 (add_virtual_operand): Same.
780 (get_expr_operands): Same.
781 (parse_ssa_operands): Same.
782 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
784 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
786 * config.host: Remove extra blank line.
788 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
790 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
791 target is also an x86 variant.
793 2006-12-05 Richard Guenther <rguenther@suse.de>
795 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
796 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
797 (ix86_builtin_vectorized_function): New function to vectorize
800 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
802 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
803 ia64_override_options.
805 2006-12-04 Jan Hubicka <jh@suse.cz>
807 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
810 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
812 * rtlanal.c (note_uses): Deal with SEQUENCEs.
813 * config/bfin/bfin.c: Include "timevar.h".
814 (bfin_flag_schedule_insns2, splitting_for_sched,
815 bfin_flag_var_tracking): New variables.
816 (print_operand): Handle '%!'.
817 (override_options): Disable normal sched2 pass, instead set
818 bfin_flag_schedule_insns2 for reorg to handle it.
819 (output_file_start): Likewise for var-tracking.
820 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
821 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
823 (bfin_reorg): Do second scheduling pass here, and call
824 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
825 of examining insns directly. If bfin_flag_var_tracking, call
826 var-tracking pass when done with everything else.
827 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
828 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
829 (movsi_insn32): New pattern, with two new splits to create it
830 before the final scheduling pass.
831 (neghi2): Not a dsp32 insn, rather alu0.
832 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
833 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
834 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
835 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
836 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
837 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
838 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
839 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
840 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
841 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
842 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
843 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
844 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
845 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
846 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
847 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
848 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
849 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
850 variants instead of ';'.
851 (ror_one, rol_one): Likewise. Make them dsp32 insns.
852 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
853 (align8, align16, align24): Now named patterns; also using '%!'.
856 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
858 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
859 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
861 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
863 * config/spu/spu-protos.c (spu_split_address): Add.
864 * config/spu/spu.c (spu_split_address): Add.
865 (print_operand): Handle HIGH.
866 (spu_legitimate_address): Don't test for aligned CONST.
867 (spu_expand_mov): Don't split addresses here.
868 * config/spu/constraints.md (A): Don't test legitimate_const.
869 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
870 (ceq_di): Use correct predicates.
872 2006-12-04 Eric Christopher <echristo@apple.com>
874 * config/darwin.h: Update copyright notice.
875 * config/i386/darwin.h: Ditto.
877 2006-12-04 Jan Hubicka <jh@suse.cz>
879 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
880 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
882 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
884 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
886 * tree-ssa-structalias.c (set_used_smts): Export.
887 (find_what_p_points_to): Don't call set_used_smts here.
888 * tree-ssa-structalias.h (set_used_smts): Add prototype.
890 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
892 * tree-ssa-alias.c (compute_may_aliases):
893 Compute flow sensitive before flow insensitive.
894 (compute_flow_sensitive_aliasing): Don't try to add
895 a symbol memory tag to itself.
897 * alias.h (alias_set_subset_of): New prototype.
899 * alias.c (alias_set_subset_of): New function.
901 * tree-ssa-structalias.c: Update comments.
902 (struct variable_info): Add finished_solution.
903 (new_varinfo): Set finished solution to NULL.
904 (var_escaped_vars): Remove.
905 (escaped_vars_tree): Remove.
906 (escaped_vars_id): Remove.
907 (nonlocal_vars_id): Remove.
908 (constraint_expr_type): Add INCLUDES.
909 (graph_size): Removed.
910 (dump_constraint): Support INCLUDES.
911 (build_constraint_graph): Ditto.
912 (collapse_nodes): Add merge_solutions argument.
913 Don't merge attributes.
914 (process_unification_queue): Just use collapse_nodes.
915 (perform_var_substitution): Update call to collapse_nodes.
916 (get_constraint_exp_from_ssa_var): Use INCLUDES.
917 (process_constraint): Fix non-field sensitive handling
919 (get_constraint_for): Use INCLUDES.
920 (make_constraint_from_anything): Renamed from
921 make_constraint_from_escaped.
922 (make_constraint_to_escaped): Removed.
923 (find_global_initializers): Removed.
924 (create_variable_info_for): Do not make constraints to escaped
926 (dump_solution_for_var): Don't print out the equivalent points-to
927 sets, just use the name of the variable it shares it with.
928 (intra_create_variable_infos): Use INCLUDES.
929 Change nonlocal variable sets to anything sets.
930 (init_base_vars): Remove escaped_vars and nonlocal_var
932 (find_escape_constraints): Removed.
933 (delete_points_to_sets): Remove dead code.
934 (used_smt_calculated): New variable.
935 (set_used_smts): New function.
936 (merge_smts_into): New function.
937 (find_what_p_points_to): Modify to use SMTs.
938 (create_nonlocal_var): Remove.
940 * tree-ssa-operands.c (access_can_touch_variable): Remove
941 reference to nonlocal_all.
943 * tree-ssa.c (verify_name_tags): Remove.
945 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
947 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
948 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
950 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
952 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
953 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
954 (add_livein_if_notdef): Delete.
955 (loe_visit_block): New. Propogate live on entry info for a block into
956 each predecessor. If it changes, make sure it is visited again.
957 (live_worklist): Visit every block and update the live on entry info
958 for preds. Iterate over any that changed.
959 (set_var_live_on_entry): Populate the live on entry blocks with bits
960 based on the immediate uses of a var.
961 (calculate_live_on_entry): Remove.
962 (calculate_live_on_exit): Calculate live on exit based on the newly
963 oriented live on entry bits.
964 (calculate_live_ranges): Build live on entry and exit vectors.
965 (dump_live_info): Use new orientation of live on entry bitmaps.
966 (verify_live_on_entry): New. Split out verification code from old
967 calculate_live_on_entry routine.
968 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
969 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
970 basic_block instead of for a partition.
971 (live_merge_and_clear): Add asserts.
972 (make_live_on_entry): Set partition bit in basic block vector.
974 2006-12-04 Jakub Jelinek <jakub@redhat.com>
977 * omp-low.c (expand_omp_for_static_nochunk,
978 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
982 * omp-low.c (determine_parallel_type): Don't try to optimize combined
983 parallels if region->exit or region->inner->exit is NULL.
984 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
986 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
987 (expand_omp_for): Use expand_omp_for_generic if either region->cond
988 or region->exit is NULL.
989 (expand_omp_sections): Handle NULL region->cond or region->exit.
992 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
994 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
995 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
997 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
999 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1000 TYPE_MAX_VALUE for scalar types here but...
1001 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1002 is attached an error mark, and the return value of the callback
1003 if it is not NULL_TREE.
1005 2006-12-04 Ben Elliston <bje@au.ibm.com>
1007 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1009 2006-12-03 Eric Christopher <echristo@apple.com>
1012 * config/t-slibgcc-darwin: Pass -install_name.
1013 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1014 libtool. Only pass through options that the linker recognizes.
1015 (LINK_SPEC): Update comment. Translate options.
1016 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1017 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1019 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1021 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1023 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1026 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1027 operands[1] in insn constraint. Correct type attribute to sselog1.
1029 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1032 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1034 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1035 processor detection.
1037 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1038 -march=native if there is no -mtune=*.
1040 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1043 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1045 * doc/install.texi: Update recommended MPFR version. Remove
1046 obsolete reference to cumulative patch.
1048 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1051 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1053 2006-11-30 Jan Hubicka <jh@suse.cz>
1054 Uros Bizjak <ubizjak@gmail.com>
1056 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1057 32bit memcpy/memset decriptors.
1058 (decide_alg): With -minline-all-stringops and sizes that are best
1059 to be copied via libcall still work hard enough to pick non-libcall
1062 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1064 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1066 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1067 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1068 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1069 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1070 config/spu/spu-c.c, config/spu/spu-modes.def,
1071 config/spu/spu.c, config/spu/spu.md,
1072 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1073 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1074 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1075 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1076 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1077 spelling conventions.
1079 * config/i386/i386.c: Fix a comment typo.
1081 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1083 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1084 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1085 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1086 better optimization.
1087 (floatv4siv4sf2): New.
1088 (fix_truncv4sfv4si2): New.
1089 (floatunsv4siv4sf2): New.
1090 (fixuns_truncv4sfv4si2): New.
1098 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1099 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1100 spu_resolve_overloaded_builtin instead of static inline functions.
1102 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1104 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1105 type instead of the size of its mode to compute the highest and
1106 lowest possible values. Still check the size of the mode before
1107 flipping the signedness of the comparison.
1109 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1111 * config/spu/predicates.md (spu_mov_operand): Add.
1112 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1113 (print_operand_address, print_operand): Handle addresses containing AND.
1114 (spu_split_load, spu_split_store): Use updated movti pattern.
1115 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1116 stores in mov patterns for correct operation of reload.
1117 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1119 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1122 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1124 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1126 * common.opt (ftree-combine-temps): Remove.
1127 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1128 (coalesce_ssa_name): Don't check for combine-temps.
1129 (coalesce_vars): Remove.
1130 (check_replaceable): Use num_imm_uses.
1131 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1132 check for combine-temps.
1133 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1134 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1135 to register_ssa_partition calls.
1136 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1137 (init_var_map, delete_var_map): remove refernces to ref_count.
1138 (create_ssa_var_map): Never calculate a ref count.
1139 (type_var_init): Remove.
1140 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1141 (SSA_VAR_MAP_REF_COUNT): Delete.
1142 (create_ssa_var_map): Change Prototype to have no parameters.
1143 (version_ref_count): Delete.
1144 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1146 (type_var_num, type_var, type_var_first_partition,
1147 type_var_next_partition, type_var_dump, type_var_delete,
1148 type_var_remove_partition, type_var_find, type_var_compact,
1149 type_var_decompact): Remove.
1151 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1153 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1156 2006-12-01 Richard Guenther <rguenther@suse.de>
1159 * dwarf2out.c (struct pubname_struct): Make name const.
1160 (add_pubtype): Do not xstrdup identifiers.
1162 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1164 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1165 multiword accesses are in range.
1167 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1169 PR tree-optimization/29921
1170 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1171 (set_lattice_value): Use canonicalize_float_value.
1173 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1175 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1176 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1177 (spu_cpu_cpp_builtins): Remove.
1178 (spu_override_options): Don't set warn_main.
1179 (spu_force_reg): Move from spu-c.c.
1180 (spu_check_builtin_parm): Likewise.
1181 (expand_builtin_args): Likewise.
1182 (spu_expand_builtin_1): Likewise.
1183 (spu_expand_builtin): Likewise.
1184 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1185 warn_main and targetm.resolve_overloaded_builtin.
1186 * config/spu/spu-c.c (spu_builtin_range): Remove.
1187 (spu_check_builtin_parm): Remove.
1188 (expand_builtin_args): Remove.
1189 (spu_expand_builtin_1): Remove.
1190 (spu_expand_builtin): Remove.
1191 (spu_cpu_cpp_builtins): Moved from spu.c
1192 (spu_force_reg): Remove.
1194 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1195 David Edelsohn <edelsohn@gnu.org>
1198 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1199 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1200 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1201 HARD_REGNO_NREGS_WITH_PADDING): Define.
1202 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1203 HARD_REGNO_NREGS_WITH_PADDING): Define.
1204 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1205 Use new macros to detect modes with holes; do not look at integer
1207 (subreg_offset_representable_p): Check for and disallow cases
1208 where the modes use different numbers of bits from registers.
1209 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1210 constant for soft-float.
1211 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1213 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1214 in E500 double case.
1215 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1216 (movtf_softfloat): New.
1218 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1220 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1221 simplify_gen_subreg.
1223 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1225 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1226 (COALESCE_HASH_FN): New. Define hash function.
1227 (partition_pair_map_hash): New. Hash value for a partition pair.
1228 (partition_pair_map_eq): New. Equality for hash pairs.
1229 (create_coalesce_list): Create hash table.
1230 (delete_coalesce_list): Free hash table.
1231 (find_partition_pair): Find/create pairs in hash table.
1232 (compare_pairs): Sort pairs in ascending order now.
1233 (num_coalesce_pairs): New. Number of pairs in hash table.
1234 (struct partition_pair_iterator): Iterator struct for pair table.
1235 (first_partition_pair): Iterator function for first pair.
1236 (end_partition_pair_p): Iterator function for end of iteration.
1237 (next_partition_pair): Iterator function for next pair.
1238 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1239 (sort_coalesce_list): Sort pairs from hash table into an array.
1240 (pop_best_coalesce): Take pairs from the array.
1241 (dump_coalesce_list): Update to use hash table or sorted array.
1242 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1243 (struct coalesce_list_d): Add hash table related fields.
1245 2006-11-30 Jan Hubicka <jh@suse.cz>
1248 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1249 memmove/bcopy->memcpy conversion.
1251 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1253 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1254 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1255 Default is the largest alignment supported for 32-bit ELF and
1256 representable on a 32-bit host.
1258 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1260 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1262 2006-11-30 Jan Hubicka <jh@suse.cz>
1264 * tree-ssa-operands.h (struct ssa_operands): New.
1265 * tree-flow-inline.h (gimple_ssa_operands): New function.
1266 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1267 * Makefile.in: Remove gt-tree-ssa-operands.h
1268 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1269 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1270 operand_memory, operand_memory_index, ops_active): Remove statics.
1271 (ALLOC_OPTYPE): Update.
1272 (operand_build_sort_virtual): Update.
1273 (ssa_operands_active): Update.
1274 (init_ssa_operands): Update.
1275 (fini_ssa_operands): Update.
1276 (ssa_operand_alloc): Update.
1277 (INITIALIZE_USE): Update.
1278 (finalize_ssa_use_ops): Update.
1279 (finalize_ssa_v_may_def_ops): Update.
1280 (finalize_ssa_vuse_ops): Update.
1281 (finalize_ssa_v_must_def_ops): Update.
1283 2006-11-30 Richard Guenther <rguenther@suse.de>
1285 * tree-vectorizer.h (vectorizable_function): Export.
1286 * tree-vect-transform.c (vectorizable_function): Likewise.
1287 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1288 type_in to scalar type in recognition of squaring.
1289 Make sure the target can vectorize sqrt in recognition
1290 of sqrt, set type_in to vector type in this case.
1292 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1294 * config/i386/i386.md (R10_REG): New constant.
1295 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1296 (ix86_emit_restore_regs_using_mov): Ditto.
1297 (ix86_expand_call): Ditto.
1298 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1300 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1302 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1303 * alias.c (canon_true_dependence): Update comment.
1305 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1307 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1308 at the end of a diagnostics message.
1310 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1311 until after asserting that it was allocated in the right pool.
1313 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1314 successor edge information as well. Make output of live regs
1315 on exit consistent with live regs on entry.
1317 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1320 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1321 insn patterns for TARGET_80387.
1322 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1323 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1324 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1325 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1326 Generate truncxf<mode>2 insn patterns for strict SSE math.
1328 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1330 * config/i386/i386.md (movsf_1): Enable pattern for standard
1331 80387 constants before reload when optimizing for size.
1332 (*movdf_nointeger, *movdf_integer): Ditto.
1333 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1334 80387 constants before reload when not optimizing for size.
1336 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1337 extension of XFmode input operands.
1339 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1341 * config/spu/crt0.c (__dso_handle): Define.
1343 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1345 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1346 when clearing the used flags.
1348 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1350 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1352 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1355 * config/spu/spu.md (extend_compare<mode>): New pattern.
1356 (extend_compare): Change to expand and use the above pattern.
1358 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1360 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1362 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1363 (DFP_INIT_ROUNDMODE): Define.
1364 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1365 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1367 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1369 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1370 Update documentation.
1371 (associate_line_notes_with_blocks): Kill.
1372 (extend_bb): Remove basic block argument, put void instead.
1373 Remove line number handling for each bb.
1374 (save_line_notes): Kill.
1375 (restore_line_notes): Kill.
1376 (sched_init): Remove line_note_head initialization.
1377 Change extend_bb call.
1378 (sched_finish): Remove free of line_note_head.
1379 (add_block): Change extend_bb call.
1380 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1381 rm_line_notes and restore_line_notes calls.
1382 (schedule_ebbs): Remove rm_redundant_line_notes.
1383 * sched-int.h (struct haifa_insn_data): Remove line_note.
1384 (save_line_notes): Remove declaration.
1385 (restore_line_notes): Remove declaration.
1386 * modulo-sched.c (loop_canon_p): Update debug info printing
1387 by using insn locators instead of line note.
1388 (sms_schedule): Update debug info printing, by using insn
1389 locators instead of line note.
1390 * sched-rgn.c (debug_dependencies): Remove handling of case
1391 n>0 (line number), since it's a dead code.
1392 (schedule_region): Remove save_line_notes and
1393 restore_line_notes calls.
1395 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1397 * config/rs6000/predicates.md (gpc_reg_operand): Check
1398 invalid_e500_subreg.
1399 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1400 SImode subregs of SPE vectors.
1401 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1402 * jump.c (true_regnum): Require subregs to satisfy
1403 subreg_offset_representable_p.
1405 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1406 Steven Bosscher <stevenb.gcc@gmail.com>
1408 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1409 since it no longer exists.
1411 2006-11-29 Duncan Sands <baldrick@free.fr>
1413 PR tree-optimization/23744
1414 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1416 2006-11-29 Duncan Sands <baldrick@free.fr>
1418 PR tree-optimization/23744
1419 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1421 2006-11-29 Duncan Sands <baldrick@free.fr>
1423 PR tree-optimization/23744
1424 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1426 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1428 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1430 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1432 * sh.opt (minline-ic_invalidate): New option.
1433 (musermode): Adjust comment.
1434 * sh.c (sh_initialize_trampoline): Emit library call unless
1435 is set; if it is set, don't emit library call if we can use icbi
1437 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1438 icbi for TARGET_SH4_300.
1439 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1440 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1441 -musermode documentation.
1443 2006-11-29 Jim Tison <jtison@us.ibm.com>
1445 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1446 __gthread_recursive_mutex_init): Define.
1448 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1450 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1451 STRICT_ALIGNMENT and the type is more aligned than the saved
1452 registers, copy via a temporary.
1454 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1457 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1460 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1462 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1464 2006-11-28 Jan Hubicka <jh@suse.cz>
1466 Privatize SSA variables into gimple_df.
1467 * tree-flow-inline.h
1468 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1469 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1470 gimple_nonlocal_all): New accessors.
1471 (first_referenced_var): Update.
1472 (mark_stmt_modified): Update.
1473 (is_call_clobbered): Update.
1474 (mark_call_clobbered): Update.
1475 (clear_call_clobbered): Update.
1476 (mark_non_addressable): Update.
1477 * tree-vrp.c (get_value_range): Update.
1478 * tree-into-ssa.c (in_ssa_p): Kill.
1479 (get_default_def_for): Update.
1480 (rewrite_into_ssa): Update.
1481 * tree-complex.c (init_parameter_lattice_values): Update.
1482 (update_complex_assignment): Update.
1483 (update_parameter_components): Update.
1484 (expand_complex_libcall): Update.
1485 (expand_complex_operations_1): Update.
1486 * tree-tailcall.c (arg_needs_copy_p): Update.
1487 (add_virtual_phis): Update.
1488 (tree_optimize_tail_calls_1): Update.
1489 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1490 * tree-ssa-copyrename.c
1491 (copy_rename_partition_coalesce): Update.
1492 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1493 * tree-ssa-propagate.c (set_rhs): Update.
1494 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1495 addressable_vars, global_var):Kill.
1496 (set_initial_properties): Update.
1497 (init_alias_info): Update.
1498 (finalize_ref_all_pointers): Update.
1499 (setup_pointers_and_addressables): Update.
1500 (maybe_create_global_var): Update.
1501 (create_global_var): Update.
1502 (dump_points_to_info): Update.
1503 * function.h (struct gimple_df): Forward declare.
1504 (struct function): Add GIMPLE_DF field.
1505 * gimplify.c (force_gimple_operand): Update.
1506 * tree-dfa.c (referenced_vars, default_defs): KIll.
1507 (make_rename_temp): Update.
1508 (dump_variable): Update.
1509 (referenced_var_lookup): Update.
1510 (referenced_var_check_and_insert): Update.
1511 (default_def): Rename to ...
1512 (gimple_default_def): ... this one; accept cfun argument.
1513 (set_default_def): Update.
1514 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1515 (cleanup_control_flow): Update.
1516 * tree-ssa-pre.c (compute_avail): Update
1517 * tree-ssa-live.c (calculate_live_on_entry): Update.
1518 * tree-ssa.c (verify_use): Update.
1519 (verify_call_clobbering): Update.
1520 (verify_call_clobbering): Update.
1521 (init_tree_ssa): Update.
1522 (delete_tree_ssa): Update.
1523 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1524 (rewrite_out_of_ssa): Update.
1525 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1526 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1528 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1529 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1530 addressable_vars, aliases_computed_p): Kill.
1531 (default_def): Rename to...
1532 (gimple_default_def): ... this one.
1533 (defaule_def_fn): Kill.
1534 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1535 * tree-ssa-structalias.c (nonlocal_all): Kill.
1536 (get_constraint_exp_from_ssa_var): Update.
1537 (create_nonlocal_var): Update.
1538 (get_constraint_for): Update.
1539 (update_alias_info): Update.
1540 (find_global_initializers): Update.
1541 (intra_create_variable_infos): Update.
1542 (intra_create_variable_infos):
1543 (find_what_p_points_to): Update.
1544 (init_alias_heapvars): Update.
1545 * tree-cfg.c (remove_bb): Update.
1546 (gimplify_val): Update.
1547 * tree-ssa-reassoc.c (get_rank): Update.
1548 (init_reassoc): Update.
1549 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1550 (ssa_names, free_ssanames): Kill.
1551 (init_ssanames): Update.
1552 (make_ssa_name): Update.
1553 (release_ssa_name): Update.
1554 (release_defs): Update.
1555 (replace_ssa_name_symbol): Update.
1556 * tree-ssa-operands.c (access_can_touch_variable): Update.
1557 (add_virtual_operand): Update.
1558 (add_call_clobber_ops): Update.
1559 (add_call_read_ops): Update.
1560 (get_call_expr_operands): Update.
1561 (get_asm_expr_operands): Update.
1563 2006-11-28 Jan Hubicka <jh@suse.cz>
1565 * builtins.c: Include tree-flow.h.
1566 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1567 assignment; convert memmove to memcpy for sizes greater than 1 where
1568 alignment of operands prohibit the partial overlap.
1570 2006-11-28 Jan Hubicka <jh@suse.cz>
1572 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1573 * cgraph.c (dump_cgraph_node): Dump stack usage.
1574 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1575 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1576 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1577 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1578 (cgraph_check_inline_limits): Limit stack growth.
1579 * cfgexpand.c: Include tree-inline.h.
1580 (account_stack_vars): New function.
1581 (expand_one_var): New param to just account the stack; return estimated
1583 (expand_used_vars_for_block): Update call of expand_one_var.
1584 (account_used_vars_for_block): New function.
1585 (estimated_stack_frame_size): Likewise.
1586 (init_vars_expansion, fini_vars_expansion): Break out from..
1587 (expand_used_vars): ... here.
1588 * tree-inline.h (estimated_stack_frame_size): Declare.
1589 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1591 2006-11-28 Richard Guenther <rguenther@suse.de>
1593 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1594 unsigned long for printing OBJECT_SIZE.
1596 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1598 * alias.c (init_alias_analysis): Remove simplification loop
1599 after propagating pointers.
1601 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1603 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1606 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1608 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1610 2006-11-27 Roger Sayle <roger@eyesopen.com>
1611 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1613 * c-common.c (constant_fits_type_p): Delete.
1614 (unsigned_conversion_warning): Delete.
1615 (conversion_warning): Integrate Wconversion warning from
1616 unsigned_conversion_warning.
1617 (convert_and_check): Integrate Woverflow warning from
1618 unsigned_conversion_warning. Reorganize and simplify to avoid
1619 dependence upon the middle-end setting TREE_OVERFLOW on integral
1620 conversions, by using int_fits_type_p directly.
1622 2006-11-27 Tobias Burnus <burnus@net-b.de>
1624 * doc/invoke.texi: Fixed typo.
1626 2006-11-27 Michael Matz <matz@suse.de>
1627 Andreas Krebbel <krebbel1@de.ibm.com>
1630 * config/s390/predicates.md (larl_operand): Check addend of larl
1631 operand to be in range of -/+2GB.
1632 * config/s390/s390.c (legitimize_pic_address): Likewise.
1633 Changed type of variable even to HOST_WIDE_INT.
1635 2006-11-27 Jan Hubicka <jh@suse.cz>
1637 * expr.c (emit_block_move_via_libcall): Export.
1638 (clear_storage_via_libcall): Rename to ...
1639 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1640 (clear_storage): Update to set_storage_via_libcall.
1641 * expr.h (emit_block_move_via_libcall): Declare
1642 * config/i386/i386.h (stringop_alg): New enum.
1643 (MAX_STRINGOP_ALGS): New constant.
1644 (stringop_algs): New struct.
1645 (processor_costs): Add memcpy/memset descriptors.
1646 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1647 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1648 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1650 * config/i386/i386.opt (minline-stringops-dynamically,
1651 mstringop-strategy): New
1653 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1654 (ix86_expand-clrmem): Rename to ...
1655 (ix86_expand_setmem): ... this one; update prototype.
1656 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1657 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1658 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1659 nocona_cost, core2_cost, generic_cost, generic64_cost,
1660 generic32_cost): Add memcpy/memset descriptors.
1661 (x86_rep_movl_optimal): Remove.
1662 (stringop_alg): New static variable.
1663 (ix86_expand_aligntest): Handle predictions.
1664 (override_options): Add strgop_alg handling.
1665 (predict_jump): New function.
1666 (scale_counter): New function.
1667 (expand_set_or_movmem_via_loop): New function.
1668 (expand_movmem_via_rep_mov): New function.
1669 (expand_setmem_via_rep_stots): New function.
1670 (emit_strmov): New function.
1671 (expand_movmem_epilogue): New function.
1672 (expand_setmem_epilogue_via_loop): New function.
1673 (expand_setmem_epilogue): New function.
1674 (expand_movmem_prologue): New function.
1675 (expand_setmem_prologue): New function.
1676 (decide_alg): New function.
1677 (decide_alignment): New function.
1678 (ix86_exand_movmem): Rewrite.
1679 (promote_duplicated_reg): New function.
1680 (ix86_expand_clrmem): Rename to ...
1681 (ix86_expand_setmem): ... this one. Rewrite.
1683 * invoke.texi (minline-stringops-dynamically): New command line option.
1684 (mstringop-strategy): Likewise.
1686 2006-11-27 Jan Hubicka <jh@suse.cz>
1688 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1689 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1690 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1691 * insn-notes.def (FUNCTION_END): Remove.
1692 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1693 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1695 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1696 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1697 * cfglayout.c (duplicate_insn_chain): Don't worry about
1700 2006-11-27 Richard Guenther <rguenther@suse.de>
1701 Zdenek Dvorak <dvorakz@suse.cz>
1703 * target.h (struct gcc_target): Add builtin_vectorized_function
1705 * target-def.h (TARGET_VECTORIZE): Likewise.
1706 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1707 Document new target hook.
1708 * targhooks.h (default_builtin_vectorized_function): Declare.
1709 * targhooks.c (default_builtin_vectorized_function): Define.
1710 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1711 (vectorizable_call): Declare.
1712 * tree-vect-analyze.c (vect_analyze_operations): Call
1714 * tree-vect-transform.c (vectorizable_function): New static function.
1715 (build_vectorized_function_call): Likewise.
1716 (vectorizable_call): New function.
1717 (vect_transform_stmt): Handle vectorizable calls.
1719 2006-11-27 Richard Guenther <rguenther@suse.de>
1722 * builtins.c (expand_builtin_pow): Optimize non integer valued
1723 constant exponents using sqrt or cbrt if possible. Always fall back
1724 to expanding via optabs.
1726 2006-11-27 Ira Rosen <irar@il.ibm.com>
1728 PR tree-optimization/22372
1729 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1730 the type of the base address.
1731 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1732 it in the data-ref pointer creation.
1733 (vect_init_vector): Add an argument, type of the init vector. Use it in
1735 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1736 (get_initial_def_for_reduction): Likewise.
1737 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1739 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1740 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1741 correct type in stmt creation.
1742 (vect_setup_realignment): Use the correct type in stmt creation.
1743 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1745 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1746 of MODIFY_EXPR to void_type_node.
1747 (vectorizable_condition): Change type of MODIFY_EXPR to
1749 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1752 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1755 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1756 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1757 standard 80387 constants, raise the cost to prevent
1758 compress_float_constant() to generate load from memory.
1760 * config/i386/i386.md: Add new splitter pattern to split
1761 float_extended load of constant from constant pool into
1764 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1766 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1767 section to general section. Remove documentation for
1768 --with-mpfr-dir and --with-gmp-dir, add documentation for
1769 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1772 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1774 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1776 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1778 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1780 PR tree-optimization/29122
1781 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1782 for the new version. Assign NULL to DECL_RTL of the new version.
1784 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1786 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1788 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1790 * cse.c (cse_altered): Remove.
1791 (record_jump_equiv): Make true/false argument a bool instead
1793 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1794 where appropriate. Emit a new jump before the existing one
1795 instead of after so that delete_insn_and_edges removes the
1796 dead edges properly. Check any_condjump_p before calling
1798 (cse_basic_block): Check any_condjump_p before calling
1800 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1802 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1804 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1805 -ffixed-line-length-* options.
1807 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1809 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1810 (fprem1xf4): Rename to fprem1xf4_i387.
1812 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1813 Rename patterns to fmod<mode>3. Use general_operand operand
1814 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1815 patterns for SSE math.
1816 (remaindersf3, remainderdf3): Ditto.
1818 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1820 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1821 inside start_sequence / end_sequence pair.
1823 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1825 * jump.c (mark_all_labels): Work in cfglayout mode.
1826 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1827 when in cfglayout mode, because there are no dead jumptables
1829 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1831 (commit_edge_insertions): Do not allow insertion of instructions
1832 with control flow insns when in cfglayout mode.
1834 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1836 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1838 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1839 unswitch_loop): Ditto.
1840 * tree-loop-linear.c (linear_transform_loops): Ditto.
1841 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1842 tree_ssa_lim): Ditto.
1843 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1844 free_numbers_of_iterations_estimates): Ditto.
1845 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1846 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1847 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1848 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1849 place_new_loop, duplicate_loop, duplicate_subloops,
1850 update_single_exit_for_duplicated_loops, copy_loops_to,
1851 duplicate_loop_to_header_edge, create_preheaders,
1852 force_single_succ_latches, loop_version, fix_loop_structure):
1854 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1855 tree_unroll_loop): Ditto.
1856 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1857 * tree-scalar-evolution.c (select_loops_exit_conditions,
1858 scev_initialize, scev_analysis): Ditto.
1859 * tree-scalar-evolution.h (scev_initialize): Ditto.
1860 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1861 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1862 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1863 * modulo-sched.c (sms_schedule): Ditto.
1864 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1865 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1866 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1867 * ifcvt.c (if_convert): Ditto.
1868 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1869 canonicalize_loop_induction_variables,
1870 canonicalize_induction_variables,
1871 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1872 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1873 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1874 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1875 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1876 tree_ssa_loop_done): Ditto.
1877 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1878 estimate_bb_frequencies): Ditto.
1879 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1880 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1881 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1882 decide_unrolling_and_peeling, peel_loop_completely,
1883 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1884 peel_loop_simple, unroll_loop_stupid): Ditto.
1885 * loop-doloop.c (doloop_optimize_loops): Ditto.
1886 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1887 * loop-invariant.c (move_loop_invariants): Ditto.
1888 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1889 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1890 tree_ssa_prefetch_arrays): Ditto.
1891 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1893 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1894 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1895 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1896 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1897 verify_loop_structure): Ditto.
1898 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1899 canonicalize_induction_variables, tree_unroll_loops_completely,
1900 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1901 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1902 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1903 tree_unroll_loop, linear_transform_loops): Declaration changed.
1904 * basic-block.h: Remove declaration of struct loops.
1905 * cfghooks.h (struct cfg_hooks): Change type of
1906 cfg_hook_duplicate_loop_to_header_edge.
1907 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1908 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1909 vect_transform_loop): Declaration changed.
1910 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1911 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1912 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1913 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1914 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1915 loopify, loop_version, remove_path, unswitch_loops,
1916 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1917 Declaration changed.
1919 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1921 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1922 (X87MODEF): New mode macro.
1923 (ssemodefsuffix): New mode attribute.
1924 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1925 (sqrt_extend<mode>xf2_i387): New insn pattern.
1926 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1927 insn and truncate result back to original mode using
1928 UNSPEC_TRUNC_NOOP truncation.
1929 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1930 ssemodefsuffix mode attribute.
1931 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1932 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1933 (*sqrtextenddfxf2_i387): Remove insn patterns.
1935 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1936 truncation patterns.
1938 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1940 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1943 * c-tree.h (c_maybe_initialize_eh): New prototype.
1944 * c-decl.c (finish_decl): Move EH initialization...
1945 (c_maybe_initialize_eh): ... here. New function.
1946 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1947 if not #pragma omp atomic.
1950 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1951 or UNION_TYPE inner types.
1953 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1956 * ipa-pure-const.c (check_tree): If the original tree
1957 is volatile return early and say the function is not pure
1958 nor const. Remove the volatile check for writes.
1959 (analyze_function): Print out the result of the local
1962 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1964 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
1966 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
1967 * config/rs6000/rs6000.c (rs6000_override_options): Use
1968 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
1971 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1973 * config/s390.c (s390_emit_compare_and_swap): New function.
1974 (s390_expand_cs_hqi, s390_expand_atomic): Call
1975 s390_emit_compare_and_swap.
1977 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1979 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1981 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1985 * c-common.c (conversion_warning): New.
1986 (convert_and_check): Call conversion_warning unless there is an
1988 * doc/invoke.texi (-Wconversion): Update description.
1990 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1992 * tree-ssa-alias.c (tree_pointer_compare): New function.
1993 (compact_name_tags): New function.
1994 (group_aliases): Call compact_name_tags.
1996 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1998 * real.h (real_isinteger): Declare.
1999 * real.c (real_isinteger): Define.
2000 * builtins.c (integer_valued_real_p): Use it.
2002 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2005 * c.opt (Wtraditional-conversion): New.
2006 (Wconversion): Update description.
2007 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2008 type conversions different from what would happen in the absence
2009 of prototype are now handled by Wtraditional-conversion.
2010 * doc/invoke.texi (Wtraditional-conversion): New.
2011 (Wconversion): Update description.
2012 * doc/trouble.texi (Wconversion): Replace Wconversion by
2013 Wtraditional-conversion.
2015 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2017 * predict.c (tree_estimate_probability): Check to make
2018 sure current_loops is non null before calling flow_loops_dump.
2020 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2022 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2024 2006-11-23 David Ung <davidu@mips.com>
2026 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2028 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2029 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2030 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2031 high part of FP register when in 64-bit FP register mode. Similarly
2032 use gen_mfhc1 to load high part of FP register.
2033 (override_options): Allow -mgp32 and -mfp64 combination if
2034 ISA_HAS_MXHC1 (currently for O32 only).
2035 (mips_cannot_change_mode_class): If floating-point registers are
2036 bigger than word size. disallow conversion of float register from a
2037 large integer mode to a float mode smaller than the float register
2039 (mips_class_max_nregs): Handle float registers case seperately.
2040 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2042 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2043 (movdf_hardfloat_32bit): Similarly.
2044 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2045 support a full 64-bit fpu.
2046 (mthc1): New pattern to generate MTHC1 instruction.
2047 (mfhc1): New pattern to generate MFHC1 instruction.
2048 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2049 option for the MIPS32R2 and mention its use under O32 ABI.
2051 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2053 * var-tracking.c (emit_note_insn_var_location): Take care not to
2054 cause verify_flow_info failures.
2056 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2058 * tree-ssa-structalias.c: Remove edge weights in favor of just
2059 processing them as complex constraints.
2060 (struct constraint_graph): Remove weighted succs and preds. Rename
2061 nonweighted succs and preds.
2062 (constraint_edge): Removed.
2063 (constraint_edge_t): Ditto.
2064 (constraint_edge_pool): Ditto.
2065 (new_constraint_edge): Ditto.
2066 (constraint_edge_equal): Ditto.
2067 (constraint_edge_less): Ditto.
2068 (constraint_edge_vec_find): Ditto.
2069 (erase_self_graph_edge): Ditto.
2070 (add_graph_edge): Removed.
2071 (get_graph_weights): Ditto.
2072 (allocate_graph_weights): Ditto.
2073 (valid_weighted_graph_edge): Ditto
2074 (bitmap_other_than_zero_bit_set): Ditto.
2075 (int_add_graph_edge): Renamed to add_graph_edge.
2076 (clear_edges_for_node): Remove support for weighted edges.
2077 (merge_graph_nodes): Ditto.
2078 (valid_graph_edge): Ditto.
2079 (build_constraint_graph): Ditto.
2081 (collapse_nodes): Ditto.
2082 (process_unification_queue): Ditto.
2083 (topo_visit): Ditto.
2084 (do_ds_constraint): Ditto.
2085 (perform_var_subsitution): Ditto.
2086 (solve_graph): Ditto.
2087 (init_alias_vars): Ditto.
2088 (delete_points_to_sets): Ditto.
2089 (do_complex_constraint): Support offsetted copies here.
2091 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2093 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2095 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2097 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2100 2006-11-23 Ben Elliston <bje@au.ibm.com>
2102 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2104 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2106 PR tree-optimization/29921
2107 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2108 signed and unsigned zero equal.
2110 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2112 * config/rs6000/rs6000.c (get_store_dest): New.
2113 (adjacent_mem_locations): Use get_store_dest() to get
2114 the rtl of the store destination.
2116 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2118 * config/rs6000/spe.md (SPE64): New mode macro.
2119 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2121 (mov_si<mode>_e500_subreg0_2): New.
2122 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2124 (mov_si<mode>_e500_subreg4_2): New.
2125 * config/rs6000/predicates.md (input_operand): Do not allow
2126 invalid E500 subregs.
2127 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2129 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2130 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2131 involving vector modes if TARGET_SPE.
2133 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2136 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2137 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2139 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2141 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2142 mem_i_address_operand): New predicates.
2143 * config/bfin/bfin.c (bfin_issue_rate): New function.
2144 (TARGET_SCHED_ISSUE_RATE): New macro.
2145 * config/bfin/bfin.md (addrtype): New attribute.
2146 (slot0, slot1, slot2, store, pregs): New cpu_units.
2147 (core): Now a define_reservation.
2148 (alu): Remove some insn types from this reservation.
2149 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2151 (dummy reservation): Don't trigger for mcld insns.
2152 (absence_sets): Two new absence sets to enforce slot ordering.
2153 (popsi_insn): Set addrtype.
2155 2006-11-22 Ira Rosen <irar@il.ibm.com>
2157 * doc/c-tree.texi: Document new tree codes.
2158 * doc/md.texi: Document new optabs.
2159 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2161 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2162 * optabs.h (optab_index): Add new.
2163 (vec_extract_even_optab, vec_extract_odd_optab,
2164 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2165 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2166 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2168 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2169 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2170 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2171 along with macros for their access.
2172 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2174 * tree-vect-analyze.c (toplev.h): Include.
2175 (vect_determine_vectorization_factor): Fix indentation.
2176 (vect_insert_into_interleaving_chain,
2177 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2178 (vect_analyze_data_ref_dependence): Add argument for interleaving
2179 check. Check for interleaving if it's true.
2180 (vect_check_dependences): New function.
2181 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2182 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2183 (vect_update_misalignment_for_peel): Update for interleaving.
2184 (vect_verify_datarefs_alignment): Check only first data-ref for
2186 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2187 only first data-ref for interleaving.
2188 (vect_analyze_data_ref_access): Check interleaving, update
2190 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2191 with different parameters.
2192 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2193 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2194 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2195 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2196 Update step in case of interleaving.
2197 (vect_strided_store_supported, vect_permute_store_chain): New
2199 (vectorizable_store): Handle strided stores.
2200 (vect_strided_load_supported, vect_permute_load_chain,
2201 vect_transform_strided_load): New functions.
2202 (vectorizable_load): Handle strided loads.
2203 (vect_transform_stmt): Add argument. Handle strided stores. Check
2204 that vectorized stmt exists for patterns.
2205 (vect_gen_niters_for_prolog_loop): Update calculation for
2207 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2208 whole chain vectorization.
2209 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2210 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2211 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2212 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2213 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2215 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2217 * cse.c (enum taken): Remove PATH_AROUND.
2218 (addr_affects_sp_p, invalidate_skipped_set,
2219 invalidate_skipped_block): Remove.
2220 (cse_end_of_basic_block): Remove skip_blocks and related code.
2221 (cse_main): Don't test for flag_cse_skip_blocks.
2222 Update cse_end_of_basic_block call.
2223 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2224 code to lengthen the path if a jump was simplified.
2226 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2228 PR rtl-optimization/29924
2229 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2230 (unroll_loop_runtime_iterations): Assert that the argument passed to
2231 split_edge_and_insert is not NULL.
2232 * loop-doloop.c (add_test): Ditto.
2234 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2236 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2238 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2239 * cfgloopmanip.c (update_single_exits_after_duplication,
2240 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2241 * tree-scalar-evolution.c (get_loop_exit_condition,
2242 get_exit_conditions_rec, loop_closed_phi_def,
2243 number_of_iterations_in_loop, scev_const_prop): Ditto.
2244 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2245 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2247 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2249 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2250 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2251 slpeel_make_loop_iterate_ntimes,
2252 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2253 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2255 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2256 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2257 vect_analyze_loop_form): Ditto.
2258 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2259 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2260 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2261 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2262 vect_transform_loop): Ditto.
2263 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2264 (single_exit, set_single_exit): New functions.
2265 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2266 (single_exit, set_single_exit): Declare.
2267 * doc/loop.texi: Undocument single_exit field. Document single_exit
2270 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2272 PR tree-optimization/29902
2273 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2274 any involved ssa name appears in abnormal phi node.
2276 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2278 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2279 (xtensa_const_ok_for_letter_p): Delete.
2280 (xtensa_extra_constraint): Delete.
2281 (override_options): Delete xtensa_char_to_class initialization.
2282 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2283 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2284 (EXTRA_CONSTRAINT): Delete.
2285 * config/xtensa/xtensa.md: Include constraints.md.
2286 (call_internal): Combine alternatives.
2287 (call_value_internal): Likewise, and remove invalid constraints.
2288 * config/xtensa/constraints.md: New file.
2289 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2290 (xtensa_extra_constraint): Delete.
2291 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2294 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2296 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2297 of conversion that doesn't fit.
2299 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2300 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2301 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2303 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2305 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2307 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2309 2006-11-21 Richard Guenther <rguenther@suse.de>
2311 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2312 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2313 vect_recog_pow_pattern.
2314 (vect_recog_pow_pattern): New function.
2316 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2318 * config/bfin/bfin.opt (mstack-check-l1): New.
2319 * doc/invoke.texi (Blackfin Options): Document it.
2320 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2321 stack bounds in L1 memory if the new option is enabled.
2322 (override_options): Don't allow combinations of -fstack-limit and
2324 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2327 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2329 (bfin_register_move_cost): Bump costs if trying to move plain
2330 integer values through accumulators.
2332 2006-11-21 Ben Elliston <bje@au.ibm.com>
2334 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2336 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2337 Russell Olsen <Russell_Olsen@playstation.sony.com>
2338 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2339 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2340 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2341 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2342 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2344 * config.gcc: Add target for SPU.
2345 * config/spu/constraints.md: New file.
2346 * config/spu/crt0.c: New file.
2347 * config/spu/crtend.c: New file.
2348 * config/spu/crti.asm: New file.
2349 * config/spu/crtn.asm: New file.
2350 * config/spu/float_unsdidf.c: New file.
2351 * config/spu/float_unssidf.c: New file.
2352 * config/spu/predicates.md: New file.
2353 * config/spu/spu-builtins.def: New file.
2354 * config/spu/spu-builtins.h: New file.
2355 * config/spu/spu-builtins.md: New file.
2356 * config/spu/spu-c.c: New file.
2357 * config/spu/spu-elf.h: New file.
2358 * config/spu/spu-modes.def: New file.
2359 * config/spu/spu-protos.h: New file.
2360 * config/spu/spu.c: New file.
2361 * config/spu/spu.h: New file.
2362 * config/spu/spu.md: New file.
2363 * config/spu/spu.opt: New file.
2364 * config/spu/spu_internals.h: New file.
2365 * config/spu/spu_intrinsics.h: New file.
2366 * config/spu/spu_mfcio.h: New file.
2367 * config/spu/t-spu-elf: New file.
2368 * config/spu/vec_types.h: New file.
2369 * config/spu/vmx2spu.h: New file.
2370 * doc/contrib.texi: Document SPU contributor.
2371 * doc/extend.texi: Document SPU extensions.
2372 * doc/invoke.texi: Document SPU options.
2373 * doc/md.texi: Document SPU constraints.
2375 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2377 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2379 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2381 (flow_loop_dump): Do not dump loop level.
2382 (flow_loops_find): Do not call flow_loops_level_compute.
2383 * cfgloop.h (struct loop): Remove level field.
2385 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2387 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2388 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2389 Use vector of edges instead of array.
2390 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2391 estimate_numbers_of_iterations_loop): Ditto.
2392 * predict.c (predict_loops): Ditto.
2393 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2394 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2396 * basic-block.h: Declare heap allocation for edge vectors.
2397 * tree-outof-ssa.c: Ditto.
2398 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2399 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2401 2006-11-20 Zack Weinberg <zackw@panix.com>
2403 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2404 Add another out parameter, "skip".
2405 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2406 is tagged "skip", do not mark its type used.
2408 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2411 * tree-sra.c (single_scalar_field_in_record_p): New function.
2412 (decide_block_copy): Use it.
2414 2006-11-20 David Daney <ddaney@avtrex.com>
2416 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2417 PC to point to following instruction.
2419 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2423 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2425 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2427 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2429 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2430 Add sh/superh.h to tm_file.
2432 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2433 Mark Mitchell <mark@codesourcery.com>
2435 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2437 (cpp_relocated): New function.
2438 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2440 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2441 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2442 replace configured prefix with gcc_exec_prefix.
2444 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2446 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2447 bfin_legitimate_constant_p.
2448 * config/bfin/bfin.md (movsi expander): Check return value of
2450 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2451 (expand_move): Adjust prototype.
2452 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2453 invalid constants specially.
2454 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2456 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2458 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2459 sibcall_value_symbol): Allow these patterns if
2460 TARGET_LEAF_ID_SHARED_LIBRARY.
2461 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2462 (override_options): Turn on id shared library flags if -msep-data,
2463 but disallow the combination of these options on the command line.
2464 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2465 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2466 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2467 -mid-shared-library.
2468 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2469 * doc/invoke.texi (Blackfin Options): Document new switches.
2471 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2472 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2474 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2475 inflate costs for addresses with an out-of-bounds address.
2477 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2480 * fwprop.c (loops): Remove.
2481 (forward_propagate_into): Use current_loops instead of
2483 (fwprop_init): Call loop_optimizer_init instead of
2485 (fwprop_done): Call loop_optimizer_finalize instead of
2487 (fwprop): Use current_loops instead of loops.
2489 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2492 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2494 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2497 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2498 larger than BITS_PER_WORD.
2500 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2504 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2505 to MAX_FIXED_MODE_SIZE.
2507 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2509 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2510 (fold_builtin_fmin_fmax): New.
2511 (fold_builtin_1): Use it.
2513 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2515 2006-11-18 Richard Guenther <rguenther@suse.de>
2517 * config/i386/i386.c (ix86_builtins): New array for ix86
2518 builtin function decls.
2519 (def_builtin): New function.
2520 (def_builtin_const): Likewise.
2521 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2523 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2525 * doc/invoke.texi (core2): Add item.
2527 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2529 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2530 (TARGET_CPU_DEFAULT_generic): Change value.
2531 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2532 (processor_type): Add new constant PROCESSOR_CORE2.
2534 * config/i386/i386.md (cpu): Add core2.
2536 * config/i386/i386.c (core2_cost): New initialized variable.
2537 (m_CORE2): New macro.
2538 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2539 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2540 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2541 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2542 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2543 x86_accumulate_outgoing_args, x86_prologue_using_move,
2544 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2545 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2546 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2547 x86_pad_returns): Add m_CORE2.
2548 (override_options): Add entries for Core2.
2549 (ix86_issue_rate): Add case for Core2.
2551 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2553 * doc/invoke.texi: Fix mno-isel typo.
2555 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2557 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2558 easy vector constant loads.
2560 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2562 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2563 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2564 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2565 * config/rs6000/sync.md (lwsync): Emit plain sync if
2568 2006-11-17 DJ Delorie <dj@redhat.com>
2570 * reload1.c (reloads_unique_chain): New.
2571 (reloads_conflict): Call it.
2573 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2575 * config/xtensa/predicates.md (addsubx_operand): New.
2576 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2577 (xtensa_emit_bit_branch): New.
2578 (xtensa_emit_movcc): New.
2579 * config/xtensa/xtensa.md (any_minmax): New code macro.
2580 (minmax): New code attribute.
2581 (any_cond, any_scc, any_scc_sf): New code macros.
2582 (*addx2, *addx4, *addx8): Delete.
2584 (*subx2, *subx4, *subx8): Delete.
2586 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2587 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2588 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2589 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2590 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2591 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2592 (movsfcc_internal0, movsfcc_internal1): Likewise.
2593 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2594 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2595 (xtensa_emit_bit_branch): New.
2596 (xtensa_emit_movcc): New.
2597 (function_arg_boundary): Add missing prototype.
2599 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2601 * config/xtensa/xtensa.md (tstsi): Delete
2603 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2605 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2607 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2609 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2611 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2613 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2615 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2617 * tree-vrp.c (execute_vrp): Do not update current_loops.
2618 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2619 * doc/loop.texi: Remove documentation for cancelled functions.
2620 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2621 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2623 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2624 (remove_path): Ensure that in delete_basic_blocks, the loops
2625 are still allocated.
2626 (add_loop): Work on valid loop structures.
2627 (loopify): Modify call of add_loop.
2628 (mfb_update_loops): Removed.
2629 (create_preheader): Do not update loops explicitly.
2630 (force_single_succ_latches, loop_version): Do not use
2631 loop_split_edge_with.
2632 (loop_split_edge_with): Removed.
2633 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2634 Do not use bsi_insert_on_edge_immediate_loop.
2635 (split_loop_exit_edge, tree_unroll_loop): Do not use
2636 loop_split_edge_with.
2637 (bsi_insert_on_edge_immediate_loop): Removed.
2638 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2639 use loop_split_edge_with.
2640 * cfghooks.c: Include cfgloop.h.
2641 (verify_flow_info): Verify that loop_father is filled iff current_loops
2643 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2644 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2646 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2648 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2649 loop_split_edge_with.
2650 (sms_schedule): Use current_loops.
2651 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2652 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2654 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2655 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2656 * ifcvt.c (if_convert): Ditto.
2657 * predict.c (predict_loops): Do not clear current_loops.
2658 (tree_estimate_probability): Use current_loops.
2659 (propagate_freq): Receive head of the region to propagate instead of
2661 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2662 (estimate_loops): New function. Handle case current_loops == NULL.
2663 (estimate_bb_frequencies): Do not allocate tovisit. Use
2665 * tree-ssa-loop.c (current_loops): Removed.
2666 (tree_loop_optimizer_init): Do not return loops.
2667 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2668 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2669 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2670 Do not update loops explicitly.
2671 * function.h (struct function): Add x_current_loops field.
2672 (current_loops): New macro.
2673 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2674 * loop-unroll.c (split_edge_and_insert): New function.
2675 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2676 use loop_split_edge_with.
2677 * loop-doloop.c (add_test, doloop_modify): Ditto.
2678 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2679 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2680 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2681 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2683 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2684 (flow_loops_free): Do not free dfs_order and rc_order.
2685 (flow_loops_find): Do not set dfs_order and rc_order in loops
2686 structure. Do not call loops and flow info verification.
2687 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2688 already belongs to some loop.
2689 * cfgloop.h (struct loops): Remove struct cfg.
2690 (current_loops, loop_split_edge_with): Declaration removed.
2691 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2692 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2693 Declaration removed.
2694 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2695 * basic-block.h (split_edge_and_insert): Declare.
2696 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2698 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2700 PR tree-optimization/29801
2701 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2702 (get_default_value): Use get_symbol_constant_value.
2703 (set_lattice_value): ICE when the value of the constant is
2705 (visit_assignment): Ignore VDEFs of read-only variables.
2707 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2709 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2711 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2712 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2714 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2716 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2717 select subvars of var.
2719 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2722 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2723 optimize if DEF doesn't have integral type.
2725 2006-11-16 Mike Stump <mrs@apple.com>
2727 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2728 pre-darwin9 system, unless the user asks for it directly.
2729 (PREFERRED_DEBUGGING_TYPE): Likewise.
2730 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2731 * config.gcc: Add suppport for darwin9.h.
2732 * config/darwin9.h: Add.
2733 * doc/install.texi (Specific): Clarify darwin documentation.
2735 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2737 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2738 optimizing for size.
2740 2006-11-16 Mike Stump <mrs@apple.com>
2742 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2744 2006-11-16 Dirk Mueller <dmueller@suse.de>
2746 * tree-vrp.c (get_value_range): Use XCNEW instead
2748 (insert_range_assertions): Use XCNEWVEC instead
2749 of XNEWVEC and memset.
2750 (vrp_initialize): Same.
2751 (vrp_finalize): Same.
2752 * tree-ssa-ccp.c (ccp_initialize): Same.
2753 * predict.c (tree_bb_level_predictions): Same.
2754 * calls.c (expand_call): Same.
2755 * tree-ssa-copy.c (init_copy_prop): Same.
2756 (fini_copy_prop): Same.
2757 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2758 of GGC_NEW and memset.
2760 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2763 * gimplify.c (gimplify_expr): Only force a load for references to
2764 non-BLKmode volatile values.
2765 * doc/implement-c.texi (Qualifiers implementation): Document the
2766 interpretation of what a volatile access is.
2767 * doc/extend.texi (C++ Extensions): Rework same documentation.
2769 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2771 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2774 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2776 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2778 (arm_neg_abssi2): Renamed from neg_abssi2.
2779 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2781 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2783 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2784 number of arguments passed to local functions in SSE registers is 3.
2786 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2787 number of arguments passed in SSE registers to 3.
2789 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2792 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2794 (get_last_bb_insn): ... new global function.
2795 (basic_block.h): Declare it.
2796 * haifa-sched.c (create_recovery_block): Use it.
2798 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2801 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2803 2006-11-15 Paul Brook <paul@codesourcery.com>
2805 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2806 _Unwind_GetTextRelBase): Move from here ...
2807 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2808 _Unwind_GetTextRelBase): ... To here.
2810 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2812 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2813 addresses we generate for testing are aligned.
2815 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2818 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2819 to what is the const decl is a place holder for.
2821 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2823 * config/i386/i386.opt: New target option -mx87regparm.
2825 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2826 and float_in_x87 variables. mmx_words, sse_words: Remove.
2827 (X87_REGPARM_MAX): Define.
2829 * config/i386/i386.c (override_options): Error out for
2830 -mx87regparm but no 80387 support.
2831 (ix86_attribute_table): Add x87regparm.
2832 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2833 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2834 (ix86_function_x87regparm): New function.
2835 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2837 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2839 (function_arg_advance): Process x87_nregs and x87_regno when
2840 floating point argument is to be passed in 80387 register.
2841 (function_arg): Pass XFmode arguments in 80387 registers for local
2842 functions. Pass SFmode and DFmode arguments to local functions
2843 in 80387 registers when flag_unsafe_math_optimizations is set.
2845 * reg-stack.c (convert_regs_entry): Disable NaN load for
2846 stack registers that are used for argument passing.
2848 * doc/extend.texi: Document x87regparm function attribute.
2849 * doc/invoke.texi: Document -mx87regparm.
2851 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2853 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2854 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2855 arg MODE; all callers changed. Use it to determine validity per
2856 machine mode instead of using Pmode for all memory references.
2857 (get_address_cost): Likewise add and use new arg MEM_MODE.
2859 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2860 J"orn Rennecke <joern.rennecke@st.com>
2862 * combine.c (likely_spilled_retval_1): Fix masking operation.
2863 (likely_spilled_retval_p): Use proper pattern for call to
2864 likely_spilled_retval_1.
2866 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2868 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2870 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2871 that tests for CONSTANT_POOL_ADDRESS_P.
2873 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2875 PR tree-optimization/29581
2876 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2877 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2878 type is different between Y and USE, create a temporary
2879 variable, initialize it at the beginning of the body bb
2880 and use it as replacement instead of Y.
2882 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2885 * gimplify.c (fold_indirect_ref_rhs): Use
2886 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2888 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2890 * expmed.c (emit_store_flag_1): New function.
2891 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2893 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2894 Use do_compare_rtx_and_jump.
2895 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2896 * arm.md (cstoresi4): New define_expand.
2897 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2898 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2899 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2901 2006-11-14 Caroline Tice <ctice@apple.com>
2903 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2904 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2906 (pubname_table): Redefine as a vector.
2907 (pubtype_table): New static global variable, defined as a vector.
2908 (pubname_table_allocated): Remove static global variable.
2909 (pubname_table_in_use): Remove static global variable.
2910 (PUBNAME_TABLE_INCREMENT): Remove constant.
2911 (size_of_pubnames): Add parameter to deal with either pubnames or
2912 pubtypes, and change code to deal with table being a vector.
2913 (add_pubname): Change to deal with table being a vector.
2914 (add_pubtype): New function.
2915 (output_pubnames): Add parameter to deal with either pubnames or
2916 pubtypes, and change code to deal with table being a vector.
2917 (gen_array_type_die): Add call to add_pubtype.
2918 (gen_enumeration_type_die): Add call to add_pubtype.
2919 (gen_struct_or_union_type_die): Add call to add_pubtype.
2920 (gen_subroutine_type_die): Add call to add_pubtype.
2921 (gen_typedef_die): Add call to add_pubtype.
2922 (dwarf2out_init): Add code to initialize pubname_table and
2923 pubtype_table vectors; also initialize debug_pubtypes_section.
2924 (prune_unused_types): Change to deal with pubnames being a vector.
2925 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2926 pubnames table to call to output_pubnames; Add code to output pubtypes
2927 table if DEBUG_PUBTYPES_SECTION is defined.
2928 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2930 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2932 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2934 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2935 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2936 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2937 movv2si_internal): Support moves between core registers.
2939 2006-11-14 Eric Christopher <echristo@apple.com>
2941 * configure: Regenerate with autoconf 2.59.
2943 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2945 Fix PR tree-optimization/27755
2947 * tree-ssa-pre.c: Update comments.
2948 (bb_bitmap_sets): Add pa_in and deferred member.
2949 (BB_DEFERRED): New macro.
2950 (maximal_set): New variable.
2951 (pre_stats): Add pa_insert member.
2952 (bitmap_set_and): Short circuit orig == dest.
2953 (bitmap_set_subtract_values): New function.
2954 (bitmap_set_contains_expr): Ditto.
2955 (translate_vuses_through_block): Add phiblock argument.
2956 (dependent_clean): New function.
2957 (compute_antic_aux): Update for maximal_set changes.
2958 (compute_partial_antic_aux): New function.
2959 (compute_antic): Handle partial anticipation.
2960 (do_partial_partial_insertion): New function.
2961 (insert_aux): Handle partial anticipation.
2962 (add_to_sets): Add to maximal set.
2963 (compute_avail): Ditto.
2964 (init_pre): Initialize maximal_set.
2965 (execute_pre): Do partial anticipation if -O3+.
2967 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
2969 PR rtl-optimization/29798
2971 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
2972 TARGET_INSN before any other check.
2973 (fwprop_init): Always calculate dominators.
2974 (fwprop_done): Always free them.
2976 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2978 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2981 2006-11-13 DJ Delorie <dj@redhat.com>
2983 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2984 temporary for intermediates.
2986 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
2988 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
2989 (sh_optimize_target_register_callee_saved): #if 0 the code
2990 using NOTE_INSN_LOOP_{BEG,END}.
2992 2006-11-13 Roger Sayle <roger@eyesopen.com>
2994 * fold-const.c (optimize_bit_field_compare): Recursively call
2995 fold when simplifying non-constant comparisons between bit-fields.
2997 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2999 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3001 * configure: Rebuilt.
3003 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3005 * config/rs6000/cell.md: New file.
3006 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3008 (ppccell_cost): New cost matrix.
3009 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3010 (rs6000_override_options): Set rs6000_always_hint to false
3011 for cell. Also align functions/lables/loops to 8byte
3012 for the Cell. Use PROCESSOR_CELL.
3013 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3014 using_mtcr_multiple.
3015 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3016 on the Cell, return 0.
3017 (rs6000_adjust_cost): Add Cell cost adjustments.
3018 (is_microcoded_insn): Return true for Cell microcoded
3020 (is_nonpipeline_insn): New function.
3021 (rs6000_issue_rate): Add PROCESSOR_CELL.
3022 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3024 (rs6000_use_sched_lookahead_guard): New function.
3025 (rs6000_sched_reorder): Reorder the ready list, if the second
3026 to last ready insn is a nonepipeline insn on the Cell.
3027 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3028 (ASM_CPU_SPEC): Add Cell.
3029 * config/rs6000/rs6000.md (cpu): Add Cell.
3030 (cell_micro): New Attr.
3033 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3035 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3037 * configure: Rebuilt.
3039 2006-11-13 Richard Guenther <rguenther@suse.de>
3041 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3043 (ix86_expand_lfloorceil): Likewise.
3044 (ix86_expand_rint): Likewise.
3045 (ix86_expand_floorceildf_32): Likewise.
3046 (ix86_expand_floorceil): Likewise.
3047 (ix86_expand_rounddf_32): Likewise.
3048 (ix86_expand_truncdf_32): Likewise.
3049 (ix86_expand_round): Likewise.
3051 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3052 Mark Mitchell <mark@codesourcery.com>
3054 * gcc.c: Organize search path variables into $prefix relative,
3055 and well-known native. Add comments.
3056 (add_sysrooted_prefix): Add comment.
3057 (process_command): If !gcc_exec_prefix add $prefix based paths.
3058 If *cross_compile == '0', add native well-known paths.
3059 Assert tooldir_base_prefix is always relative.
3060 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3061 use this value for 'install:' path.
3062 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3064 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3066 * config/i386/i386.c: Fix a typo in comment.
3068 2006-11-13 Michael Matz <matz@suse.de>
3070 * genemit.c (gen_expand): Allocate enough memory.
3072 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3074 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3075 __GXX_TYPEINFO_EQUALITY_INLINE but not
3076 __GXX_MERGED_TYPEINFO_NAMES.
3077 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3078 __GXX_MERGED_TYPEINFO_NAMES.
3079 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3080 __GXX_TYPEINFO_EQUALITY_INLINE.
3082 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3083 Zdenek Dvorak <dvorakz@suse.cz>
3085 PR tree-optimization/29680
3086 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3089 2006-11-12 Jason Merrill <jason@redhat.com>
3090 Andrew Pinski <pinskia@physics.uc.edu>
3093 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3095 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3097 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3098 * tree.c (build_vector): Handle non-_CST elements.
3100 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3102 * genemit.c (gen_insn): Call gen_exp with a non-null used
3103 when handling multiple insns.
3104 (gen_expand): Likewise.
3105 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3106 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3107 (movsi_const_16bit+1): Copy operands[1].
3108 (call_pcrel): Copy the call_site pattern.
3109 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3111 2006-11-12 Roger Sayle <roger@eyesopen.com>
3113 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3114 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3115 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3116 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3118 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3120 Fix PR tree-optimization/29587
3121 * tree-ssa-structalias.c (process_constraint): Don't
3122 mark address taken due only to escaped vars constraint.
3124 2006-11-12 Michael Matz <matz@suse.de>
3125 Roger Sayle <roger@eyesopen.com>
3127 PR rtl-optimization/29797
3128 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3129 BITS_BIG_ENDIAN targets.
3131 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3133 * builtins.c (fold_builtin_cosh): New.
3134 (fold_builtin_1): Use it.
3135 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3136 trunc to the list of "odd" functions. Also add llrint, lrint,
3137 rint and nearbyint when flag_rounding_math is false.
3139 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3141 * tree-flow.h (name_mappings_registered_p): Declare.
3142 * tree-into-ssa.c (name_mappings_registered_p): New function.
3143 * tree-cfg.c (tree_can_merge_blocks_p): Check
3144 name_mappings_registered_p instead of need_ssa_update_p.
3146 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3148 * tree-ssa-loop.c (tree_vectorize): Return the result of
3150 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3151 if anything changed.
3152 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3153 * tree-flow.h (vectorize_loops): Declaration changed.
3155 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3157 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3159 (issue_prefetch_ref): Move assignment to write_p out of loop.
3160 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3161 SIMULTANEOUS_PREFETCHES into account.
3162 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3163 * lambda-code.c (lcm): Renamed to ...
3164 (least_common_multiple): ... and exported.
3165 * tree-flow.h (least_common_multiple): Declare.
3167 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3169 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3170 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3171 ud-chains. Handle AND_EXPR.
3172 (record_estimate): Record whether the estimate is realistic
3173 and whether it is derived from a loop exit.
3174 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3175 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3177 (compute_estimated_nb_iterations): Take only realistic bounds into
3178 account. Set estimate_state. Use double_ints.
3179 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3180 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3181 that do not have to be always executed.
3182 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3183 to determine whether to call infer_loop_bounds_from_undefined
3184 and compute_estimated_nb_iterations.
3185 (n_of_executions_at_most): Use double_ints.
3186 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3187 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3188 * double-int.c (double_int_to_tree): Improve comment.
3189 (double_int_fits_to_tree_p): New function.
3190 * double-int.h (double_int_fits_to_tree_p): Declare.
3191 * tree-data-ref.c: Include langhooks.h.
3192 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3193 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3194 (analyze_array): Do not pass estimate_only argument to
3195 analyze_array_indexes.
3196 (get_number_of_iters_for_loop): Build tree from the stored double_int
3198 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3199 (find_data_references_in_loop): Use find_data_references_in_stmt.
3200 * tree-data-ref.h (struct data_ref_loc_d): New.
3201 (get_references_in_stmt): Declare.
3202 (estimate_iters_using_array): Declaration removed.
3203 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3204 double_int. Improve comments. Add is_exit and realistic
3206 (struct loop): Changed type of estimated_nb_iterations to double_int.
3207 Added estimate_state field.
3208 (record_estimate): Declaration removed.
3210 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3212 * params.c (set_param_value): Initialize the "set" field.
3213 * params.h (struct param_info): Add "set" field.
3214 (PARAM_SET_P): New macro.
3215 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3216 L1_CACHE_LINE_SIZE): New macros.
3217 * toplev.c (DEFPARAM): Initialize the "set" field.
3218 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3219 SIMULTANEOUS_PREFETCHES): Removed.
3220 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3221 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3222 * config/sparc/sparc.c: Include params.h.
3223 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3224 L1_CACHE_LINE_SIZE parameters.
3225 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3227 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3229 * config/i386/i386.c: Include params.h.
3230 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3231 (override_options): Set SIMULTANEOUS_PREFETCHES and
3232 L1_CACHE_LINE_SIZE parameters.
3233 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3234 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3235 L1_CACHE_LINE_SIZE parameters.
3236 * config/ia64/ia64.c (ia64_optimization_options): Set
3237 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3238 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3240 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3241 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3242 * doc/invoke.texi: Document new params.
3244 2006-11-12 Roger Sayle <roger@eyesopen.com>
3246 PR tree-optimization/13827
3247 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3250 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3252 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3253 update_single_exit_for_duplicated_loops): New functions.
3254 (duplicate_loop_to_header_edge): Use
3255 update_single_exit_for_duplicated_loops.
3256 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3257 functions only with ENABLE_CHECKING.
3259 2006-11-12 Andreas Schwab <schwab@suse.de>
3261 * except.c (sjlj_emit_function_enter): Remove unused variable.
3263 2006-11-11 Roger Sayle <roger@eyesopen.com>
3265 * fold-const.c (int_binop_types_match_p): New function.
3266 (size_binop): Relax constraint that both arguments must both have
3267 exactly the same sizetype type. Instead use int_binop_types_match_p.
3268 (size_diffop): Likewise.
3270 (make_range): Use build_int_cst instead of fold_convert.
3271 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3272 integer constants of the correct type.
3273 (fold_div_compare): Likewise.
3274 (fold_single_bit_test): Likewise.
3275 (fold_binary): Likewise.
3276 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3277 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3279 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3282 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3283 non null value if the struct memory access is in the 0th
3286 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3289 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3290 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3293 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3294 instead of builtin_define for bfin and BFIN.
3296 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3298 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3301 2006-11-11 Jan Hubicka <jh@suse.cz>
3303 * extend.texi (__builtin_expect): We no longer require second argument
3305 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3306 * builtins.c (expand_builtin_expect): Simplify.
3307 (expand_builtin_expect_jump): Kill.
3308 * final.c (final_scan_insn): Do not skip the removed notes.
3309 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3310 EXPECTED_VALUE): Remove.
3311 * dojump.c (do_jump): Do not care about __builtin_expect.
3312 * predict.c (expected_value_to_br_prob): Kill.
3313 * function.c (expand_function_end): Do not expand
3314 NOTE_INSN_REPEATED_LINE_NUMBER.
3315 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3316 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3317 * cfgexpand.c (add_reg_br_prob_note): Export.
3318 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3319 expected_value_to_br_prob.
3320 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3321 * rtl.h (add_reg_br_prob_note): Declare.
3323 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3325 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3327 2006-11-11 Jan Hubicka <jh@suse.cz>
3329 * predict.c (predict_loops): Kill RTL variant.
3331 2006-11-11 Jan Hubicka <jh@suse.cz>
3333 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3334 * modulo-sched.c (find_line_note): Remove.
3335 (loop_canon_p): Do not worry about line number notes.
3336 (sms_schedule): Likewise.
3337 * cse.c (cse_main): Likewise.
3338 * regmove.c (fixup_match_1): Likewise
3339 * function.c (emit_return_info_block): Likewise.
3340 (expand_function_end): Likewise.
3341 (thread_prologue_an_epilogue_insns): Likewise.
3342 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3344 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3345 emit_note_copy_after): Kill.
3346 (emit_note_copy): Do not worry about line numbers.
3347 * jump.c (purge_line_number_notes): Kill.
3348 (pass_purge_lineno_notes): Kill.
3349 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3351 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3352 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3353 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3354 * tree-pass.h (pass_purge_lineno_notes): Kill.
3355 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3356 rm_redundant_line_notes.
3357 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3358 rm_redundant_line_notes.
3359 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3360 * haifa-sched.c: Update comment about handling notes.
3361 (unlink_line_notes): Kill.
3362 (rm_line_notes): Kill.
3363 (save_line_notes): Simplify.
3364 (rm_redundant_line_notes): Kill.
3366 2006-11-11 Richard Guenther <rguenther@suse.de>
3368 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3369 Remove unused tree codes.
3370 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3371 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3372 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3373 * tree.c (stabilize_reference): Likewise.
3374 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3375 fold_unary): Likewise.
3376 * tree-gimple.c (is_gimple_cast): Likewise.
3377 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3378 * expr.c (expand_expr_real_1): Likewise.
3379 * tree-eh.c (tree_could_trap_p): Likewise.
3380 * gimplify.c (gimplify_expr): Likewise.
3381 * tree-inline.c (estimate_num_insns_1): Likewise.
3382 * tree-cfg.c (verify_expr): Likewise.
3384 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3386 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3387 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3388 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3390 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3393 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3394 constraints accept neither registers or memories.
3396 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3398 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3399 (NO_PROFILE_COUNTERS): Define as 1.
3401 2006-11-10 Roger Sayle <roger@eyesopen.com>
3403 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3404 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3406 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3408 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3410 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3412 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3413 (fold_builtin_hypot): Likewise.
3414 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3416 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3418 2006-11-10 Roger Sayle <roger@eyesopen.com>
3420 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3421 when attempting to build INTEGER_CSTs of non-integral types.
3422 * expmed.c (make_tree): Use the correct type, i.e. the inner
3423 type, when constructing the individual elements of a CONST_VECTOR.
3425 2006-11-10 Jan Hubicka <jh@suse.cz>
3427 * cse.c (cse_process_notes): Copy the propagated value.
3428 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3430 * gcse.c (try_replace_reg): Copy the replacement.
3431 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3432 (assign_386_stack_local): Always return copied memory expression
3433 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3436 2006-11-10 Jan Hubicka <jh@suse.cz>
3438 * final.c (final): Walk from first instruction.
3439 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3441 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3444 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3446 (umulv8hi3_highpart): Ditto.
3447 (vec_widen_smult_hi_v8hi): New expander.
3448 (vec_widen_smult_lo_v8hi): Ditto.
3450 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3453 * builtins.c (do_mpfr_arg3): New.
3454 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3456 2006-11-09 Eric Christopher <echristo@apple.com>
3461 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3462 * config.gcc (powerpc64-*-darwin*): New target.
3463 * config.host: Ditto.
3464 * config/rs6000/darwin64.h: New file.
3465 * config/rs6000/x-darwin64: Ditto.
3466 * config/rs6000/host-ppc64-darwin.c: Ditto.
3468 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3470 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3471 routines for integer division.
3473 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3475 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3477 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3480 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3482 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3484 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3485 simplify_subreg with BLKmode outer mode.
3487 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3489 * doc/invoke.texi: Minor formatting fixes in option lists.
3491 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3493 PR tree-optimization/29738
3494 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3495 (ccp_lattice_t): Remove UNKNOWN_VAL.
3496 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3497 Do not handle UNKNOWN_VAL.
3498 (get_default_value): Set initial value of virtual operands to
3500 (get_value): Always use get_default_value on uninitialized
3502 (set_value_varying, surely_varying_stmt_p): New functions.
3503 (set_lattice_value): Do not pass argument to get_value.
3504 Do not handle UNKNOWN_VAL.
3505 (likely_value): Follow the semantics described in the comment.
3506 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3507 phi nodes DONT_SIMULATE_AGAIN.
3508 (ccp_fold): Do not pass argument to get_value.
3509 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3512 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3514 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3515 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3517 2006-11-08 Roger Sayle <roger@eyesopen.com>
3519 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3520 test for inclusion rather than as a test for exclusion.
3521 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3522 the condition after calling fold_binary.
3523 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3524 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3525 * builtins.c (fold_builtin_isascii): Likewise.
3526 (fold_builtin_isdigit): Likewise.
3528 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3530 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3531 * configure: Regenerate.
3533 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3535 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3536 enum argument instead of bool.
3537 (vect_analyze_operations): Call vectorizable_type_promotion.
3538 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3539 stmt_vec_info_type value.
3540 (supportable_widening_operation, vectorizable_type_promotion): New
3541 function declarations.
3542 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3543 (vectorizable_type_promotion): New function.
3544 (vect_transform_stmt): Call vectorizable_type_promotion.
3545 * tree-vect-analyze.c (supportable_widening_operation): New function.
3546 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3548 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3551 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3552 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3553 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3555 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3556 * expr.c (expand_expr_real_1): Likewise.
3557 * optabs.c (optab_for_tree_code): Likewise.
3558 (init_optabs): Initialize new optabs.
3559 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3560 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3561 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3562 vec_unpacku_lo_optab): Initialize new optabs.
3563 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3564 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3565 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3567 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3568 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3569 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3570 (vec_unpacku_lo_optab): New optabs.
3571 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3572 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3573 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3574 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3575 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3576 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3578 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3579 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3580 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3581 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3582 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3583 implement the unsigned unpacking patterns.
3584 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3585 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3586 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3587 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3588 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3589 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3590 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3591 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3592 multiplication patterns.
3594 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3595 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3596 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3597 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3598 (rs6000_builtin_mul_widen_odd): New.
3599 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3600 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3601 * tree-vectorizer.h (enum vect_relevant): New enum type.
3602 (_stmt_vec_info): Field relevant chaned from bool to enum
3604 (STMT_VINFO_RELEVANT_P): Updated.
3605 (STMT_VINFO_RELEVANT): New.
3606 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3607 instead of STMT_VINFO_RELEVANT_P.
3608 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3609 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3610 and boolean variable with enum vect_relevant.
3611 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3612 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3613 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3615 2006-11-08 Richard Henderson <rth@redhat.com>
3617 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3618 vec_widen_umult_lo_v8hi): New.
3619 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3620 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3622 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3623 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3624 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3625 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3626 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3627 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3628 vec_unpacks_lo_v4si): New.
3630 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3632 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3633 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3634 (vect_analyze_operations): Call vectorizable_type_demotion.
3635 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3636 stmt_vec_info_type value.
3637 (vectorizable_type_demotion): New function declaration.
3638 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3641 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3642 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3644 * tree-iniline.c (estimate_num_insns_1): Likewise.
3645 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3646 * optabs.c (optab_for_tree_code): Likewise.
3648 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3649 compared against the predicate of the result is not 'mode' (the input
3650 to the function) but a mode with half the size of 'mode'.
3651 (init_optab): Initialize new optabs.
3652 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3654 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3656 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3657 (vec_pack_usat_optab): Initialize new optabs.
3658 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3659 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3661 2006-11-08 Richard Henderson <rth@redehat.com>
3663 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3664 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3665 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3666 (vec_interleave_highv4si, vec_interleave_lowv4si):
3667 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3669 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3671 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3673 (vect_transform_stmt): Removed redundant code.
3675 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3677 * tree-vect-transform.c (vectorizable_operation): Support multiple
3680 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3682 * tree-vect-transform.c (vect_align_data_ref): Removed.
3683 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3684 Updated function documentation. Return the increment stmt in ptr_incr.
3685 (bump_vector_ptr): New function.
3686 (vect_get_vec_def_for_stmt_copy): New function.
3687 (vect_finish_stmt_generation): Create a stmt_info to newly created
3689 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3691 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3692 VF is greater than the number of elements that can fit in one vector
3694 (vectorizable_operation, vectorizable_condition): Likewise.
3695 (vectorizable_store, vectorizable_load): Support the case that the VF
3696 is greater than the number of elements that can fit in one vector word.
3697 (vect_transform_loop): Don't fail in case of multiple data-types.
3698 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3699 in case of multiple data-types; the smallest type determines the VF.
3700 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3701 if they are of different sizes.
3702 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3703 number of elements rather than number of bytes.
3704 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3705 (vect_can_advance_ivs_p): Fix a dump printout
3707 2006-11-07 Eric Christopher <echristo@apple.com>
3709 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3710 (__bswapsi2): Ditto.
3711 * libgcc2.h: Remove transformation of bswap routines.
3712 * config/i386/i386.md (bswapsi2): New.
3715 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3717 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3718 (handle_gnu_inline_attribute): New function.
3719 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3720 (merge_decls, start_decl, start_function): Likewise.
3721 * doc/extend.texi: Document gnu_inline attribute.
3723 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3726 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3727 _fixunstfdi, and _floatditf
3729 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3731 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3733 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3734 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3735 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3736 which start in an odd register.
3738 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3740 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3742 2006-11-07 Josh Conner <jconner@apple.com>
3744 * doc/invoke.texi (fstrict-aliasing): Move implementation
3746 * doc/tree-ssa.texi (Alias analysis): ...here.
3748 2006-11-07 Richard Guenther <rguenther@suse.de>
3750 PR tree-optimization/29610
3751 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3752 of tree_purge_dead_eh_edges as it may free dominators.
3754 * g++.dg/other/pr29610.C: New testcase.
3756 2006-11-07 David Ung <davidu@mips.com>
3758 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3759 costs when optimizing for size.
3760 (override_options): Use mips_rtx_cost_optimize_size table for cost
3763 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3765 * gcc.c (process_command): Treat -b as normal switch if its argument
3768 2006-11-07 David Ung <davidu@mips.com>
3770 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3773 2006-11-06 Eric Christopher <echristo@apple.com>
3775 * config.gcc: Add x86_64-darwin host support.
3776 * config.host: Ditto.
3777 * config/i386/darwin64.h: New file.
3778 * config/i386/t-darwin64: Ditto.
3780 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3782 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3783 and output-exists-not.
3785 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3788 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3789 checking for overflow.
3791 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3793 * configure.ac: Fixed typo in case statement: :: changed to ;;
3795 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3797 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3798 count_leading_zeros, and count_trailing_zeros.
3799 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3800 (TARGET_FOLD_BUILTIN): Define.
3801 (TARGET_EXPAND_BUILTIN): Define.
3802 (xtensa_init_builtins): New.
3803 (xtensa_fold_builtin): New.
3804 (xtensa_expand_builtin): New.
3805 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3806 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3807 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3808 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3809 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3810 (any_extend): New code macro.
3811 (u, su): New code attributes.
3812 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3813 (nsau): Remove; replaced by clzsi2.
3814 (ffssi2): Use clzsi2.
3815 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3816 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3817 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3818 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3819 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3821 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3823 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3825 * config/arm/t-strongarm-elf: Likewise.
3826 * config/arm/t-pe: Likewise.
3827 * config/arm/t-arm-elf: Likewise.
3828 * config/arm/t-xscale-elf: Likewise.
3829 * config/arm/t-arm-coff: Likewise.
3830 * config/arm/t-xscale-coff: Likewise.
3831 * config/arm/t-wince-pe: Likewise.
3833 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3835 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3838 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3841 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3844 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3847 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3848 as a valid 80387 constant.
3849 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3850 * config/i386/i386.md (unnamed splitter): Split the load of
3851 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3854 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3856 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3857 from the soft-frame, argument and virtual registers.
3859 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3861 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3862 patterns for standard 80387 constants.
3864 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3865 Steven Bosscher <steven@gcc.gnu.org>
3867 * fwprop.c: New file.
3868 * Makefile.in: Add fwprop.o.
3869 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3870 * passes.c (init_optimization_passes): Schedule forward propagation.
3871 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3873 * timevar.def (TV_FWPROP): New.
3874 * common.opt (-fforward-propagate): New.
3875 * opts.c (decode_options): Enable forward propagation at -O2.
3876 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3877 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3878 canon_for_address, table_size): Remove.
3879 (new_basic_block, insert, remove_from_table): Remove references to
3881 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3882 simplification loop more straightforward by not calling fold_rtx
3884 (equiv_constant): Move here a small part of fold_rtx_subreg,
3885 do not call fold_rtx. Call avoid_constant_pool_reference
3887 * recog.h (canonicalize_change_group): New.
3889 * doc/invoke.texi (Optimization Options): Document fwprop.
3890 * doc/passes.texi (RTL passes): Document fwprop.
3892 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3894 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3895 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3896 (grokdeclarator): Likewise.
3898 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3900 * tree-dump.c (dump_enable_all): Rename local variable
3901 ir_type to avoid name conflicts.
3902 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3903 instead of using ir_type().
3904 * profile.c (tree_register_profile_hooks): Likewise.
3905 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3906 * basic-block.h (struct edge_def): Likewise.
3907 * config/arm/arm.c (legitimize_pic_address): Likewise.
3908 * coretypes.h (ir_type): New enum of all intermediate languages
3910 * cfghooks.c (ir_type): Rename to...
3911 (current_ir_type): ...this. Distinguish between cfgrtl and
3912 cfglayout mode when the current IR is RTL. Return enum ir_type.
3913 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3915 2006-11-03 Paul Brook <paul@codesourcery.com>
3917 * config/arm/arm.c (arm_file_start): New function.
3918 (TARGET_ASM_FILE_START): Define.
3919 (arm_default_cpu): New variable.
3920 (arm_override_options): Set arm_default_cpu.
3922 2006-11-03 David Ung <davidu@mips.com>
3924 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3925 PROCESSOR_24KC and PROCESSOR_24KF.
3926 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3927 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3928 (mips_rtx_cost_data): Add costs for the 24kc.
3929 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3930 * config/mips/24k.md: Remove references to 24k and replace with
3931 uses of 24kc/24kf in the appropriate reservations.
3932 * doc/invoke.texi (MIPS Options): Updated.
3934 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3936 * config/sh/crt1.asm: Fix #ifdef indent.
3938 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3939 Merged from STMicroelectronics sources:
3940 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3941 * config/sh/crt1.asm (vbr_600): Add missing #if.
3942 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3943 * sh.opt (mfused-madd): New option.
3944 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3945 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3946 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3947 Remove pointless handler at VBR+0.
3948 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3949 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3950 fr7. Make sure the timer handler is called with the correct FPU
3951 precision setting, according to the ABI.
3952 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3953 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3954 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3955 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3956 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3957 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3958 zero as second operand.
3959 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3960 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3961 Fixed some bugs related to negative values, in particular -0
3962 and overflow at -0x80000000.
3963 * config/sh/divcost-analysis: Added sh4-300 figures.
3964 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
3965 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
3966 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
3967 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
3968 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
3969 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3971 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3973 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3974 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3975 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3976 mac_mem, mem_mac, dfp_mul, fp_cmp.
3977 (insn_class, dfp_comp, any_fp_comp): Update.
3978 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3979 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3980 (muldf3_i): Likewise.
3981 (movsi_i): Split rI08 alternative into two separate alternatives.
3983 (movsi_ie, movsi_i_lowpart): Likewise.
3984 (movqi_i): Split ri alternative into two separate alternatives.
3986 * sh1.md (sh1_load_store, sh1_fp): Update.
3987 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
3988 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
3989 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
3990 (sh4a_fp_double_arith): Likewise.
3991 * sh4-300.md: New file.
3992 * sh.c (sh_handle_option): Handle m4-300* options.
3993 (sh_adjust_cost): Fix latency of auto-increments.
3994 Handle SH4-300 differently than other SH4s. Check for new insn types.
3995 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3996 been set by an option.
3997 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3998 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3999 (mbranch-cost=): Likewise.
4000 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4002 * sh.md (mulsf3): Remove special expansion code.
4003 (mulsf3_ie): Now a define_insn_and_split.
4004 (macsf3): Allow for TARGET_SH4.
4006 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4007 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4008 (expand_cbranchdi4): Likewise.
4009 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4010 CONST_DOUBLE if the outer code is COMPARE.
4011 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4012 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4013 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4014 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4015 Remove redundant fp_{zero,one}_operand checks.
4016 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4017 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4018 (expand_cbranchdi4): Likewise.
4019 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4020 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4022 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4024 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4027 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4029 * doc/invoke.texi: Fix mfp-trap-mode typo.
4031 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4033 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4034 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4035 file_end_indicate_exec_stack.
4036 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4038 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4039 for a non-executable stack.
4040 * crti.asm: Likewise.
4041 * crtn.asm: Likewise.
4042 * libunwind.S: Likewise.
4044 2006-11-02 Ben Elliston <bje@au.ibm.com>
4046 * tree-ssa.c (warn_uninit): Use expand_location variables for
4047 locus and declaration locus.
4049 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4052 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4053 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4054 cmp{eq,gt,gtu}{si,di}_media.
4055 (*cmpne0si_media): Remove.
4056 (*movsicc_umin): Adjust gen_cmp*_media call.
4057 (unordered): Change the mode of unordered and operands[1] to
4059 (seq): Adjust gen_cmp*_media calls. Make the mode of
4060 a temporary result of compare SImode if needed. If the mode
4061 of operands[0] is DImode, extend the temporary result to DImode.
4062 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4063 (sunorderd): Change the mode of match_operand and unorderd to
4065 (cmpeq{sf,df}_media): Remove.
4066 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4067 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4068 and compare operation to SImode.
4070 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4072 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4074 (sparc64-sun-solaris2*): Likewise.
4076 2006-11-02 Paul Brook <paul@codesourcery.com>
4078 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4079 from priority argument. Use different section for non-default
4081 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4083 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4086 * except.c (switch_to_exception_section): Do not cache the section
4087 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4088 and flag_function_sections is set.
4090 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4093 * builtins.c (do_mpfr_sincos): New.
4094 (fold_builtin_1): Use it to fold builtin sincos.
4096 2006-11-01 Roger Sayle <roger@eyesopen.com>
4098 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4099 it into -D_REENTRANT.
4101 2006-11-01 Roger Sayle <roger@eyesopen.com>
4103 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4104 whether the assembler supports taking the difference of symbols in
4105 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4106 * configure: Regenerate.
4107 * config.in: Regenerate.
4108 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4109 the assembler doesn't support taking the difference of symbols in
4110 different sections, i.e. we're using the native solaris assembler.
4112 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4113 Peter Bergner <bergner@vnet.ibm.com>
4115 * doc/invoke.texi: Add cpu_type power6x
4116 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4117 * config.gcc: Add cpu_type power6x.
4118 * configure.ac: Add test for mf{t,f}gpr instructions.
4119 (HAVE_AS_MFPGPR): New.
4120 * config.in: Regenerate.
4121 * configure: Regenerate.
4122 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4123 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4124 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4125 and mftgpr attributes.
4126 (define_attr "cpu"): Add power6.
4127 Change instruction sequences to use new attributes.
4128 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4129 (fix_truncdfsi2_mfpgpr): New.
4130 (floatsidf_ppc64_mfpgpr): New.
4131 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4132 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4133 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4134 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4135 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4136 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4137 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4138 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4139 cntlz,exts and var_delayed_compare.
4140 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4141 _ARCH_PWR6X, if features enabled.
4142 * config/rs6000/rs6000.opt (mmfpgpr): New.
4143 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4144 (cached_can_issue_more): New variable.
4145 (processor_costs): Add power6_cost.
4146 (rs6000_sched_init): New function.
4147 (is_dispatch_slot_restricted): Deleted.
4148 (set_to_load_agen): New function.
4149 (is_load_insn,is_store_insn): New functions.
4150 (adjacent_mem_locations): New function.
4151 (insn_must_be_first_in_group): New function.
4152 (insn_must_be_last_in_group): New function.
4153 (rs6000_sched_reorder): New function.
4154 (rs6000_sched_reorder2): New function.
4155 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4156 TARGET_SCHED_REORDER2): Define.
4157 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4158 Add power6x. Add MASK_MFPGPR for power6x.
4159 (POWERPC_MASKS): Add MASK_MFPGPR.
4160 (rs6000_override_options): Set rs6000_always_hint to false
4161 for power6. Set rs6000_align_branch_targets. Replace
4162 rs6000_sched_groups check with rs6000_align_branch_targets.
4163 Use PROCESSOR_POWER6.
4164 (last_scheduled_insn): New variable.
4165 (load_store_pendulum): New variable.
4166 (rs6000_variable_issue): Set last_scheduled_insn and
4167 cached_can_issue_more.
4168 (rs6000_adjust_cost): Add power6 cost adjustments.
4169 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4170 with insn_must_be_first_in_group. Add power6 priority adjustments.
4171 (rs6000_issue_rate): Add CPU_POWER6.
4172 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4173 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4174 (TARGET_MFPGPR): New.
4175 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4176 (ASM_CPU_SPEC): Add power6x.
4177 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4179 * config/rs6000/power6.md: New file.
4181 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4183 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4184 HOST_WIDE_INT_PRINT to print high and low parts. Use
4185 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4186 printing a hexadecimal number prefix it with 0x.
4188 2006-11-01 Chris Johns <chris@contemporary.net.au>
4191 * Makefile.in (install-driver): Use exeext when installing
4192 $target-gcc-$version.
4194 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4196 * c-common.c (flag_cpp0x): New.
4197 * c-common.h (flag_cpp0x): New.
4198 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4199 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4200 * c-opts.c (set_std_cxx0x): New.
4201 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4202 * c.opt (std=c++0x): Document.
4203 (std=gnu++0x): Ditto.
4204 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4205 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4207 2006-11-01 Richard Guenther <rguenther@suse.de>
4209 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4211 (ix86_expand_floorceildf_32): Likewise.
4212 (ix86_expand_floorceil): Likewise.
4213 (ix86_expand_trunc): Likewise.
4215 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4217 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4220 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4222 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4224 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4226 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4228 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4229 * configure.ac (use_cxa_atexit): As a special case, don't test
4230 for libc definition of __cxa_atexit on mingw32
4231 * configure: Regenerate.
4232 * config.gcc (i[34567]86-pc-mingw32): Default to
4233 enable__cxa_atexit=yes.
4235 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4237 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4239 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4242 * c-decl.c (start_struct): Don't create self-containing
4244 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4246 * config/rs6000/rs6000-protos.h
4247 (darwin_rs6000_special_round_type_align): New.
4248 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4249 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4251 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4253 * toplev.c (compile_file): Call final_write_globals
4254 even if there have been errors.
4256 2006-10-31 Eric Christopher <echristo@apple.com>
4257 Falk Hueffner <falk@debian.org>
4259 * doc/extend.texi (__builtin_bswap32): Document.
4260 (__builtin_bswap64): Ditto.
4261 * doc/libgcc.texi (bswapsi2): Document.
4263 * doc/rtl.texi (bswap): Document.
4264 * optabs.c (expand_unop): Don't widen a bswap.
4265 (init_optabs): Init bswap. Set libfuncs explicitly
4266 for bswapsi2 and bswapdi2.
4267 * optabs.h (OTI_bswap): New.
4268 (bswap_optab): Ditto.
4269 * genopinit.c (optabs): Handle bswap_optab.
4270 * tree.h (tree_index): Add TI_UINT32_TYPE and
4272 (uint32_type_node): New.
4273 (uint64_type_node): Ditto.
4274 * tree.c (build_common_tree_nodes_2): Initialize
4275 uint32_type_node and uint64_type_node.
4276 * builtins.c (expand_builtin_bswap): New.
4277 (expand_builtin): Call.
4278 (fold_builtin_bswap): New.
4279 (fold_builtin_1): Call.
4280 * fold-const.c (tree_expr_nonnegative_p): Return true
4282 * builtin-types.def (BT_UINT32): New.
4284 (BT_FN_UINT32_UINT32): Ditto.
4285 (BT_FN_UINT64_UINT64): Ditto.
4286 * builtins.def (BUILT_IN_BSWAP32): New.
4287 (BUILT_IN_BSWAP64): Ditto.
4288 * rtl.def (BSWAP): New.
4289 * genattrtab.c (check_attr_value): New.
4290 * libgcc2.c (__bswapSI2): New.
4291 (__bswapDI2): Ditto.
4292 * libgcc2.h (__bswapSI2): Declare.
4293 (__bswapDI2): Ditto.
4294 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4295 * simplify-rtx.c (simplify_const_unary_operation): Return
4297 * libgcc-std.ver (__bwapsi2): Add.
4298 (__bswapdi2): Ditto.
4299 * reload1.c (eliminate_regs_1): Add bswap.
4300 (elimination_effects): Ditto.
4301 * config/i386/i386.h (x86_bswap): New.
4302 (TARGET_BSWAP): Use.
4303 * config/i386/i386.c (x86_bswap): Set.
4305 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4307 * coverage.c (coverage_checksum_string): Update comment.
4308 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4309 of get_file_function_name.
4310 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4311 of get_file_function_name_long.
4312 * tree.c (get_file_function_name): Rename from
4313 get_file_function_name_long; improve comment; handle 'I' and 'D'
4314 specially when the target has ctor/dtor support; remove special
4316 (get_file_function_name): Remove.
4317 * tree.h (get_file_function_name): Rename from
4318 get_file_function_name_long.
4319 (get_file_function_name): Remove prototype.
4321 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4323 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4324 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4326 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4327 Call dsymutil when compiling and linking one or more source files
4330 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4333 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4335 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4337 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4338 inline static functions in c99 mode.
4341 * doc/extend.texi (Inline): Update.
4342 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4343 * c-decl.c (current_extern_inline): Delete.
4344 (pop_scope): Adjust test for an undefined nested function.
4345 Add warning about undeclared inline function.
4346 (diagnose_mismatched_decls): Update comments. Disallow overriding
4347 of inline functions in a translation unit in C99. Allow inline
4348 declarations in C99 at any time.
4349 (merge_decls): Boolize variables. Handle C99 'extern inline'
4351 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4352 C99 inline semantics.
4353 (start_function): Don't clear current_extern_inline. Don't set
4355 (c_push_function_context): Don't push current_extern_inline.
4356 (c_pop_function_context): Don't restore current_extern_inline.
4359 * c-typeck.c (build_external_ref): Warn about static variables
4360 used in extern inline functions.
4361 * c-decl.c (start_decl): Warn about static variables declared
4362 in extern inline functions.
4364 2006-10-31 Roger Sayle <roger@eyesopen.com>
4367 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4368 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4369 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4370 or y is an even integer.
4372 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4375 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4376 * gthr-posix95.h (__gthread_active_p): Likewise.
4378 2006-10-31 Richard Guenther <rguenther@suse.de>
4380 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4381 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4382 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4383 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4384 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4385 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4386 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4387 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4390 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4392 * opts.c (decode_options): Disable CSE skip blocks.
4394 2006-10-30 Dirk Mueller <dmueller@suse.de>
4396 * c-common.h (strict_aliasing_warning): Fix whitespace.
4397 * c-decl (start_function): Move code for main decl warning ..
4398 * c-common.c (check_main_parameter_types): .. here.
4399 * c-common.h (check_main_parameter_types): Declare.
4401 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4404 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4406 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4408 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4409 be a PARALLEL containing sets. Return false when out_pat is not
4412 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4414 * config/mips/mips.md (mul<mode>3): Split into...
4415 (mulsi3, muldi3): ...these separate patterns.
4417 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4419 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4420 but with each set of options separated by spaces.
4422 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4424 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4425 dwarf_reg_size_table has been initialized.
4427 2006-10-30 Roger Sayle <roger@eyesopen.com>
4429 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4430 * ddg.c (print_ddg_edge): Likewise.
4431 * dwarf2out.c (prune_unused_types_walk): Likewise.
4432 * ifcvt.c (noce_try_cmove_arith): Likewise.
4433 * langhooks.c (add_builtin_function): Likewise.
4434 * reg-stack.c (subst_stack_regs_pat): Likewise.
4435 * tree.c (expanded_location): Likewise.
4436 * tree-dump.c (dequeue_and_dump): Likewise.
4438 2006-10-30 David Daney <ddaney@avtrex.com>
4440 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4442 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4444 PR tree-optimization/29637
4445 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4446 of the innertype is the innertype itself.
4448 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4450 * dwarf2out.c (file_name_acquire): Correct typo.
4452 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4454 * tree.h (tree_value_handle): Remove struct value_set declaration.
4455 Change value_set to bitmap_set.
4456 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4457 * tree-vn.c (get_value_handle): Made inline and moved to
4459 * tree-flow-inline.h: (has_stmt_ann): New function.
4460 * tree-ssa-pre.c (expressions): New variable.
4461 (next_expression_id): Ditto.
4462 (alloc_expression_id): New function.
4463 (struct value_set): Remove.
4464 (get_expression_id): New function.
4465 (get_or_alloc_expression_id): Ditto.
4466 (expression_for_id): Ditto.
4467 (clear_expression_ids): Ditto.
4468 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4469 (bb_value_sets): Renamed to bb_bitmap_sets.
4470 All value sets replaced with bitmap_sets.
4472 (BB_VISITED): New macro.
4473 (postorder): New variable.
4474 (add_to_value): Removed.
4475 (value_exists_in_set_bitmap): Ditto.
4476 (value_insert_into_set_bitmap): Ditto.
4479 (set_remove): Ditto.
4480 (set_contains_value): Ditto.
4481 (insert_into_set): Ditto.
4483 (find_leader): Ditto.
4484 (bitmap_set_subtract_from_value_set): Ditto.
4485 (value_insert_into_set): Ditto.
4486 (print_value_set): Ditto.
4487 (debug_value_set): Ditto.
4488 (constant_expr_p): New function.
4489 (bitmap_remove_from_set): Ditto.
4490 (bitmap_insert_into_set): Ditto.
4491 (bitmap_set_free): Ditto.
4492 (vh_compare): Ditto.
4493 (sorted_array_from_bitmap_set): Ditto.
4494 (bitmap_set_subtract): Ditto.
4495 (bitmap_set_equal): Ditto.
4496 (debug_bitmap_set): Ditto.
4497 (find_leader_in_sets): Ditto.
4498 (bitmap_set_replace_value): Modify for bitmapped sets.
4499 (phi_translate): Ditto.
4500 (phi_translate_set): Ditto.
4501 (bitmap_find_leader): Ditto.
4502 (valid_in_sets): Ditto.
4503 (union_contains_value): Ditto.
4505 (compute_antic_aux): Ditto. Mark changed blocks.
4506 (compute_antic): Ditto. Iterate in postorder and only over
4508 (compute_rvuse_and_antic_safe): Reuse postorder.
4509 (create_component_ref_by_pieces): Modify for bitmapped sets.
4510 (find_or_generate_expression): Ditto.
4511 (create_expression_by_pieces): Ditto.
4512 (insert_into_preds_of_block): Ditto.
4513 (changed_blocks): New variable.
4514 (do_regular_insertion): Broken out from insert_aux.
4515 (insert_aux): Modified for bitmapped sets.
4516 (find_existing_value_expr): New function.
4517 (create_value_expr_from): Use it.
4518 (insert_extra_phis): Removed.
4519 (print_bitmap_set): Renamed from bitmap_print_value_set.
4520 (compute_avail): Handle RETURN_EXPR.
4521 (init_pre): Modify for bitmapped sets.
4522 * tree-flow.h (has_stmt_ann): New function.
4524 2006-10-29 Roger Sayle <roger@eyesopen.com>
4526 * builtins.c (fold_builtin_floor): Check for the availability of
4527 the C99 trunc function before transforming floor into trunc.
4529 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4531 * builtins.c (fold_builtin_hypot): Rearrange recursive
4532 transformation before others, and also do ABS_EXPR. When
4533 necessary, check flag_unsafe_math_optimizations. When necessary,
4536 2006-10-29 Roger Sayle <roger@eyesopen.com>
4538 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4539 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4540 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4541 Fold -X eq/ne -Y as X eq/ne Y.
4543 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4545 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4546 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4547 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4548 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4549 Use an inclusive test for "mult" rather than "mul".
4550 (rotr<mode>3): Depend on ISA_HAS_ROR.
4551 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4553 (GENERATE_MULT3_DI): Delete.
4554 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4555 (ISA_HAS_MUL3): New macro.
4556 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4557 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4558 (ISA_HAS_CLZ_CLO): Likewise.
4559 (ISA_HAS_DCLZ_DCLO): Delete.
4560 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4561 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4562 the VR4120 and VR4130.
4563 (ISA_HAS_MACCHI): Use consistent formatting.
4564 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4565 (ISA_HAS_ROR): ...this new macro.
4566 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4567 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4568 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4570 2006-10-29 Roger Sayle <roger@eyesopen.com>
4572 PR tree-optimization/15458
4573 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4576 2006-10-29 Richard Guenther <rguenther@suse.de>
4578 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4579 (ix86_expand_truncdf_32): Likewise.
4580 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4581 trunc inline for SSE math and -fno-trapping-math and if not
4582 optimizing for size.
4583 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4584 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4585 for expanding btrunc inline for SSE math.
4587 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4589 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4590 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4591 i[34567]86-*-solaris2.1[0-9]*.
4592 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4593 Define conditionally depending on TARGET_64BIT_DEFAULT.
4594 (SPEC_32, SPEC_64): Define.
4595 (LINK_SPEC): Use them.
4596 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4598 2006-10-29 Richard Guenther <rguenther@suse.de>
4600 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4601 (ix86_expand_rounddf_32): Likewise.
4602 * config/i386/i386.c (ix86_expand_round): New function expanding
4603 round inline for SSE math and -fno-trapping-math and if not
4604 optimizing for size.
4605 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4606 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4607 round via ix86_expand_round.
4609 2006-10-29 Richard Guenther <rguenther@suse.de>
4611 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4612 (ix86_expand_floorceildf_32): Likewise.
4613 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4614 static helper function.
4615 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4617 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4618 * config/i386/i386.md (floordf2): Adjust to enable floor
4619 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4620 -fno-trapping-math is enabled and if not optimizing for size.
4621 (floorsf2, ceildf2, ceilsf2): Likewise.
4622 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4623 (sse2_maskcmpdf3): Likewise.
4625 2006-10-29 Richard Guenther <rguenther@suse.de>
4627 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4628 rint in case -fno-trapping-math is enabled.
4629 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4630 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4631 (ix86_expand_sse_fabs): Likewise.
4632 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4633 * config/i386/i386.md (rintdf2): Enable for SSE math if
4634 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4635 (rintsf2): Likewise.
4637 2006-10-29 Richard Guenther <rguenther@suse.de>
4639 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4640 to conversion optabs.
4641 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4642 as conversion optab.
4643 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4644 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4645 (lfloor_optab, lceil_optab): Adjust defines.
4646 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4647 lfloor and lceil optabs now being conversion optabs.
4648 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4649 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4650 New static helper function.
4651 (ix86_expand_lfloorceil): New function to expand lfloor and
4653 * config/i386/i386.md (lfloor<mode>2): Split into ...
4654 (lfloorxf<mode>2): ... x87 variant
4655 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4656 using ix86_expand_lfloorceil.
4657 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4659 * doc/md.texi (lfloorMN, lceilMN): Document.
4661 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4663 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4664 -mno-shared assembler option on mips targets.
4665 * configure, config.in: Regenerate.
4666 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4667 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4668 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4670 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4672 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4673 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4675 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4677 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4678 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4681 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4684 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4685 (fold_builtin_pow): Evaluate constant arguments at compile-time
4687 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4688 (do_mpfr_ckconv): New helper function.
4689 (do_mpfr_arg1): Use do_mpfr_ckconv.
4690 (do_mpfr_arg2): New.
4692 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4695 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4696 (-fdump-rtl-sched): Rename to ..
4697 (-fdump-rtl-sched1): here. Also fix file extension number.
4699 2006-10-28 Richard Guenther <rguenther@suse.de>
4701 * fold-const.c (maybe_canonicalize_comparison): Fix code
4704 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4706 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4707 (NON_QI_REG_P): Use IN_RANGE.
4708 (REX_INT_REGNO_P): Use IN_RANGE.
4709 (FP_REGNO_P): Use IN_RANGE.
4710 (SSE_REGNO_P): Use IN_RANGE.
4711 (REX_SSE_REGNO_P): Use IN_RANGE.
4712 (MMX_REGNO_P): Use IN_RANGE.
4713 (STACK_REGNO_P): New macro.
4714 (STACK_REG_P): Use STACK_REGNO_P.
4715 (NON_STACK_REG_P): Use STACK_REGNO_P.
4716 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4717 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4718 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4719 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4720 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4722 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4724 * except.h (output_function_exception_table): Add 'const char*' param.
4725 * except.c (switch_to_exception_section): Add 'const char*' param.
4726 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4727 and flag_function_sections is set, use a function-specific section.
4728 (output_function_exception_table): Add 'const char*' param.
4729 Adjust call to switch_to_exception_section.
4730 * final.c (rest_of_handle_final): Adjust calls to
4731 output_function_exception_table.
4732 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4733 * config.in: Regenerate.
4734 * configure: Likewise.
4736 2006-10-28 Richard Guenther <rguenther@suse.de>
4739 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4740 for maybe_canonicalize_comparison.
4741 (maybe_canonicalize_comparison): New function for canonicalizing
4743 (fold_comparison): Call it to canonicalize comparisons with
4746 2006-10-28 Richard Guenther <rguenther@suse.de>
4749 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4750 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4751 (expand_builtin): Adjust likewise.
4752 * genopinit.c (optabs[]): Add lround optab.
4753 * optabs.c (init_optabs): Initialize lround_optab.
4754 * optabs.h (enum convert_optab_index): Add COI_lround.
4755 (lround_optab): Define.
4756 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4757 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4759 (ix86_expand_lround): New function.
4760 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4762 * doc/md.texi (lroundMN2): Document.
4764 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4767 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4768 argument to HOST_WIDE_INT. Update function prototype.
4769 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4770 "size" argument to HOST_WIDE_INT. Update function prototype.
4772 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4774 * config/i386/i386.c (output_387_ffreep): Create output from a
4775 template string for !HAVE_AS_IX86_FFREEP.
4777 2006-10-27 Eric Christopher <echristo@apple.com>
4779 * config/darwin.c: Fix formatting and grammar.
4781 2006-10-27 Jan Hubicka <jh@suse.cz>
4783 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4784 to be thrown away soon when IGNORE is set.
4785 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4786 indicating when return value shall not be computed.
4787 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4789 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4791 * config/i386/i386.h (TARGET_GEODE):
4792 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4793 (TARGET_CPU_DEFAULT_geode): New macro.
4794 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4795 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4796 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4797 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4798 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4800 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4801 (processor_type): Add PROCESSOR_GEODE.
4803 * config/i386/i386.md: Include geode.md.
4806 * config/i386/i386.c (geode_cost): New initialized global
4808 (m_GEODE, m_K6_GEODE): New macros.
4809 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4810 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4811 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4812 x86_schedule): Use m_K6_GEODE instead of m_K6.
4813 (x86_movx, x86_cmove): Set up m_GEODE.
4814 (x86_integer_DFmode_moves): Clear m_GEODE.
4815 (processor_target_table): Add entry for geode.
4816 (processor_alias_table): Ditto.
4818 * config/i386/geode.md: New file.
4820 * doc/invoke.texi: Add entry about geode processor.
4822 2006-10-27 Mike Stump <mrs@apple.com>
4824 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4825 __DYNAMIC__ from here back to ...
4826 * config/darwin.h (CPP_SPEC): ... here.
4828 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4829 Nathan Sidwell <nathan@codesourcery.com>
4831 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4832 when choosing the minimum heapsize.
4834 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4836 * gcc/unwind-dw2.h: Move cfa-related variables into
4837 struct frame_state_reg_info to ensure that the CFA is properly
4838 handled when executing DW_CFA_{remember,restore}_state.
4839 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4840 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4841 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4842 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4843 gcc/config/rs6000/linux-unwind.h,
4844 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4845 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4846 Modify to use new cfa_* fields.
4848 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4850 * config/s390/s390.c (s390_init_frame_layout): Check positive
4853 2006-10-26 Ben Elliston <bje@au.ibm.com>
4855 * gimplify.c (get_name): Remove extraneous break.
4856 (gimplify_omp_for): Initialise ret with GS_OK.
4858 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4860 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4861 Add unix98.o to link line.
4863 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4866 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4867 Calculate compile-time constants using MPFR.
4868 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4869 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4871 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4873 * config/xtensa/lib2funcs.S: Use C-style comments.
4875 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4877 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4878 (file_table_relative_p): Likewise.
4879 (dwarf2out_finish): Likewise.
4880 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4882 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4884 * tree-ssa-structalias.c (intra_create_variable_infos):
4885 Don't recreate nonlocal_all if it already exists.
4887 2006-10-25 Richard Guenther <rguenther@suse.de>
4890 * optabs.h (enum optab_index): Remove OTI_lrint.
4891 (enum convert_optab_index): Add COI_lrint.
4892 (lrint_optab): Adjust.
4893 (expand_sfix_optab): Declare.
4894 * optabs.c (expand_sfix_optab): New function.
4895 (init_optabs): Init lrint_optab as conversion optab.
4896 * genopinit.c (lrint_optab): Change to a conversion optab.
4897 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4898 expansion via conversion optab.
4899 * config/i386/i386.md (*fistdi2_1): Remove
4900 flag_unsafe_math_optimizations guard.
4901 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4902 fist<mode>2_with_temp): Likewise.
4903 (lrint<mode>2): Split into...
4904 (lrintxf<mode>2): ... x87 part
4905 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4906 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4907 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4908 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4909 * doc/md.texi (lrintMN2): Document.
4911 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4914 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4915 Use inc and dec instructions for TARGET_USE_INCDEC.
4916 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4917 ("sync_double_compare_and_swap<mode>"): Likewise.
4918 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4919 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4920 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4921 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4922 ("sync_old_add<mode>"): Likewise.
4923 ("sync_lock_test_and_set<mode>"): Likewise.
4924 ("sync_lock_test_and_set<mode>"): Likewise.
4925 ("sync_add<mode>"): Likewise.
4926 ("sync_sub<mode>"): Likewise.
4927 ("sync_ior<mode>"): Likewise.
4928 ("sync_and<mode>"): Likewise.
4929 ("sync_xor<mode>"): Likewise.
4931 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4933 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4934 (remainder_optab): Define corresponding macro.
4935 (drem_optab): Remove.
4936 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4937 drem_optab initialization.
4938 * genopinit.c (optabs): Implement remainder_optab using
4939 remainder?f3 patterns. Remove drem_optab.
4940 * builtins.c (expand_builtin_mathfn_2): Handle
4941 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4942 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4943 expand_builtin_mathfn_2.
4945 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4946 depend on flag_unsafe_math_optimizations.
4948 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4949 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4950 Do not depend on flag_unsafe_math_optimizations. Use
4951 truncxf?f expander instead of truncxf?f_i387_noop.
4953 ("fpremxf4", "fprem1xf4"): Do not depend on
4954 flag_unsafe_math_optimizations.
4955 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4956 flag_unsafe_math_optimizations. Use truncxf?f expander
4957 instead of truncxf?f_i387_noop.
4959 * doc/md.texi (fmod, remainder): Document standard named pattern.
4961 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4962 David Daney <ddaney@avtrex.com>
4965 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
4967 2006-10-25 Ben Elliston <bje@au.ibm.com>
4969 * doc/extend.texi (Variable Attributes): Typo fix.
4971 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4973 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4974 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4975 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4976 (FRAME_POINTER_REGNUM): Update register number to 21.
4977 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4978 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4980 * config/i386/i386.c (regclass_map): Add fpcr entry.
4981 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4983 (print_reg): Assert REGNO (x) != FPCR_REG.
4985 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4986 (DIRFLAG_REG): Renumber.
4987 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
4988 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
4989 (sse_prologue_save, *sse_prologue_save_insn): Renumber
4990 hardcoded SSE register numbers.
4992 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4993 hardcoded MMX register numbers.
4995 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4998 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4999 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5001 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5002 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5003 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5004 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5006 2006-10-24 Richard Guenther <rguenther@suse.de>
5009 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5010 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5011 for deciding optimizations in consistency with fold-const.c
5012 (fold_builtin_unordered_cmp): Likewise.
5014 2006-10-24 Richard Guenther <rguenther@suse.de>
5016 * builtins.c (fold_builtin_floor): Fold floor (x) where
5017 x is nonnegative to trunc (x).
5018 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5019 nonnegative to FIX_TRUNC_EXPR.
5021 2006-10-24 Richard Guenther <rguenther@suse.de>
5023 PR tree-optimization/29567
5024 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5025 for TRUTH_NOT_EXPR. Clarify comments.
5027 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5030 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5031 at compile-time using MPFR. Change parameter VALUE to FUNC,
5033 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5034 for overflow and underflow at all times and avoid folding in
5037 2006-10-24 Ben Elliston <bje@au.ibm.com>
5039 * reload1.c: Formatting fixes.
5041 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5043 PR tree-optimization/14784
5044 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5045 * tree-ssa-structalias.c (get_constraint_for,
5046 intra_create_variable_infos): Set is_heapvar.
5047 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5048 non-heapvar pointer variables specially.
5050 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5053 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5054 fold_builtin_tan): Fold all constant arguments. Take a "type"
5055 argument as necessary.
5056 (do_mpfr_arg1): New.
5057 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5059 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5061 * config/xtensa/lib1funcs.asm: Use C-style comments.
5063 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5065 * tree.c (local_define_builtin): Replace calls to
5066 lang_hooks.builtin_function with add_builtin_function.
5067 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5069 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5071 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5072 common code to add_builtin_function.
5073 * langhooks.c (add_builtin_function): New function.
5074 (lhd_builtin_function): New function.
5075 * langhooks.h (struct lang_hooks): Change the signature of
5077 (add_builtin_function): New function.
5078 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5079 calls to lang_hooks.builtin_function with add_builtin_function.
5080 * c-common.c (decl_builtin_1): Replace calls to
5081 lang_hooks.builtin_function with add_builtin_function.
5082 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5083 lang_hooks.builtin_function with add_builtin_function.
5084 * config/frv/frv.c (def_builtin): Replace calls to
5085 lang_hooks.builtin_function with add_builtin_function.
5086 * config/s390/s390.c (s390_init_builtins): Replace calls to
5087 lang_hooks.builtin_function with add_builtin_function.
5088 * config/sparc/sparc.c (def_builtin): Replace calls to
5089 lang_hooks.builtin_function with add_builtin_function.
5090 * config/i386/i386.c (def_builtin): Replace calls to
5091 lang_hooks.builtin_function with add_builtin_function.
5092 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5093 lang_hooks.builtin_function with add_builtin_function.
5094 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5095 lang_hooks.builtin_function with add_builtin_function.
5096 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5097 Replace calls to lang_hooks.builtin_function with
5098 add_builtin_function.
5099 * config/iq2000/iq2000.c (def_builtin):
5100 Replace calls to lang_hooks.builtin_function with
5101 add_builtin_function.
5102 * config/ia64/ia64.c (def_builtin): Replace calls to
5103 lang_hooks.builtin_function with add_builtin_function.
5104 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5105 lang_hooks.builtin_function with add_builtin_function.
5106 (altivec_init_builtins): Replace calls to
5107 lang_hooks.builtin_function with add_builtin_function.
5108 * config/arm/arm.c (def_mbuiltin): Replace calls to
5109 lang_hooks.builtin_function with add_builtin_function.
5110 (arm_init_tls_builtins): Replace calls to
5111 lang_hooks.builtin_function with add_builtin_function.
5112 * config/mips/mips.c (mips_init_builtins): Replace calls to
5113 lang_hooks.builtin_function with add_builtin_function.
5114 * config/bfin/bfin.c (def_builtin): Replace calls to
5115 lang_hooks.builtin_function with add_builtin_function.
5116 * langhooks-def.h (lhd_builtin_function): New function.
5117 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5119 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5121 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5122 BUILT_IN_STRNCAT_CHK.
5124 2006-10-23 Jan Hubicka <jh@suse.cz>
5126 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5127 don't do conversion from memmove to memcpy here.
5128 (expand_builtin_bcopy, expand_builtin): Update call of
5129 expand_builtin_memmove.
5130 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5132 2006-10-23 Paul Brook <paul@codesourcery.com>
5134 * stor-layout.c (start_record_layout): maximum_field_alignment
5135 overrides STRUCTURE_SIZE_BOUNDARY.
5137 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5139 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5140 nonlocal function symbols if flag_pic.
5142 2006-10-23 Richard Guenther <rguenther@suse.de>
5146 * builtins.c (fold_binary): Remove checks for flag_wrapv
5147 and flag_trapv where negate_expr_p covers these cases.
5149 2006-10-23 Richard Guenther <rguenther@suse.de>
5152 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5153 of two on the absolute value.
5154 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5155 and negating -C does not overflow.
5157 2006-10-23 Richard Guenther <rguenther@suse.de>
5160 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5161 only if not flag_rounding_math.
5163 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5164 Kaz Kojima <kkojima@gcc.gnu.org>
5167 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5168 SImode memory reference for the source of a movua.
5169 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5170 (movua): Use an unspec instead of sign_extract. Expect the source
5171 to have mode BLKmode.
5172 (extv, insv): Use a BLKmode rather than SImode memory reference
5173 for the source of a movua.
5175 2006-10-22 Jeff Law <law@redhat.com>
5176 Richard Guenther <rguenther@suse.de>
5178 PR tree-optimization/15911
5179 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5180 (register_edge_assert_for_1): Likewise.
5181 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5182 (find_conditional_asserts): Adjust for new function signature.
5183 (find_assert_locations): Likewise.
5185 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5187 * config/i386/tmmintrin.h: Remove the duplicated content.
5189 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5191 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5192 (x86_64-*-*): Likewise.
5194 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5195 (override_options): Check SSSE3.
5196 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5197 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5198 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5199 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5200 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5201 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5202 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5203 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5204 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5205 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5206 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5207 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5208 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5209 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5210 IX86_BUILTIN_PABSD128.
5211 (bdesc_2arg): Add SSSE3.
5212 (bdesc_1arg): Likewise.
5213 (ix86_init_mmx_sse_builtins): Support SSSE3.
5214 (ix86_expand_builtin): Likewise.
5215 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5217 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5218 (UNSPEC_PSIGN): Likewise.
5219 (UNSPEC_PALIGNR): Likewise.
5220 Include mmx.md before sse.md.
5222 * config/i386/i386.opt: Add -mssse3.
5224 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5225 (ssse3_phaddwv4hi3): Likewise.
5226 (ssse3_phadddv4si3): Likewise.
5227 (ssse3_phadddv2si3): Likewise.
5228 (ssse3_phaddswv8hi3): Likewise.
5229 (ssse3_phaddswv4hi3): Likewise.
5230 (ssse3_phsubwv8hi3): Likewise.
5231 (ssse3_phsubwv4hi3): Likewise.
5232 (ssse3_phsubdv4si3): Likewise.
5233 (ssse3_phsubdv2si3): Likewise.
5234 (ssse3_phsubswv8hi3): Likewise.
5235 (ssse3_phsubswv4hi3): Likewise.
5236 (ssse3_pmaddubswv8hi3): Likewise.
5237 (ssse3_pmaddubswv4hi3): Likewise.
5238 (ssse3_pmulhrswv8hi3): Likewise.
5239 (ssse3_pmulhrswv4hi3): Likewise.
5240 (ssse3_pshufbv16qi3): Likewise.
5241 (ssse3_pshufbv8qi3): Likewise.
5242 (ssse3_psign<mode>3): Likewise.
5243 (ssse3_psign<mode>3): Likewise.
5244 (ssse3_palignrti): Likewise.
5245 (ssse3_palignrdi): Likewise.
5246 (abs<mode>2): Likewise.
5247 (abs<mode>2): Likewise.
5249 * config/i386/tmmintrin.h: New file.
5251 * doc/extend.texi: Document SSSE3 built-in functions.
5253 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5255 2006-10-22 Ira Rosen <irar@il.ibm.com>
5257 * tree-vect-transform.c (vectorizable_load): Use the type of the
5258 return value of the mask_for_load builtin to create realign_load
5261 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5263 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5266 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5268 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5269 (UNSPEC_LDDQU): This.
5270 * config/i386/sse.md (sse3_lddqu): Updated.
5272 2006-10-21 Richard Guenther <rguenther@suse.de>
5274 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5275 (expand_builtin): Use it to expand lrint instead of
5276 expand_builtin_mathfn.
5278 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5281 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5282 flag_unsafe_math_optimizations is set.
5284 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5287 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5288 patterns to use memory input operand in x87->mem->XMM
5289 reload sequences. Skip transformation for TARGET_K8.
5291 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5293 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5294 force operand1 to register if both operands are memory operands.
5295 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5296 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5297 if both operands are memory operands.
5298 (truncdfsf2): Do not force operand1 to register if both operands
5299 are memory operands.
5301 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5303 * Makefile.in (LIBS): Add $(GMPLIBS).
5304 * doc/install.texi: Update GMP and MPFR requirements.
5305 * doc/sourcebuild.texi (need_gmp): Delete.
5307 2006-10-21 Richard Guenther <rguenther@suse.de>
5309 PR tree-optimization/3511
5310 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5311 got new invariant arguments during PHI translation.
5313 2006-10-21 Richard Guenther <rguenther@suse.de>
5316 * fold-const.c (fold_comparison): Fold signed comparisons
5317 of the form X +- C1 CMP Y +- C2.
5319 2006-10-21 Richard Guenther <rguenther@suse.de>
5322 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5323 if flag_unsafe_math_optimizations is specified. We have
5324 flag_finite_math_only for that.
5325 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5326 or flag_unsafe_math_optimizations.
5328 2006-10-21 Richard Guenther <rguenther@suse.de>
5330 * builtins.c (fold_builtin_classify): Fix typo.
5332 2006-10-21 Richard Guenther <rguenther@suse.de>
5335 * simplify-rtx.c (simplify_const_relational_operation):
5336 Do not constant-fold ORDERED and UNORDERED for
5337 flag_unsafe_math_optimizations but only we do not need to
5338 honor NaNs for the given mode.
5340 2006-10-21 Richard Guenther <rguenther@suse.de>
5343 * config/i386/i386.c (classify_argument): Remove redundant
5344 walking of the BINFOs.
5345 (contains_128bit_aligned_vector_p): Likewise.
5347 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5349 * BASE-VER: Set to 4.3.0.
5351 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5353 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5354 (tree_decl_with_vis): Remove artificial_pta_var flag.
5355 * tree-flow.h (referenced_var_check_and_insert): Expose.
5356 (nonlocal_all): New prototype.
5357 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5358 (nonlocal_all): Make global.
5359 (nonlocal_lookup): Remove.
5360 (nonlocal_insert): Ditto.
5361 (create_nonlocal_var): Do not call nonlocal_insert.
5362 (get_nonlocal_id_for_type): Remove.
5363 (find_global_initializers): Mark new vars we find for renaming.
5364 (intra_create_variable_infos): Only create one nonlocal.
5365 (expand_nonlocal_solutions): Remove.
5366 (compute_points_to_sets): Don't call it.
5367 (ipa_pta_execute): Ditto.
5368 (init_alias_heapvars): Don't create nonlocal_for_type.
5369 (delete_alias_heapvars): Don't remove it.
5370 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5373 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5375 * doc/install.texi (Downloading GCC): Clarify mention of
5376 Fortran in the "full distribution" description.
5378 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5380 Fix PR tree-optimization/28778
5381 Fix PR tree-optimization/29156
5382 Fix PR tree-optimization/29415
5383 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5384 (tree_decl_with_vis): Add artificial_pta_var flag.
5385 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5386 pushed into callers.
5387 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5388 (nonlocal_all): Ditto.
5389 (struct variable_info): Add directly_dereferenced member.
5390 (var_escaped_vars): New variable.
5391 (escaped_vars_tree): Ditto.
5392 (escaped_vars_id): Ditto.
5393 (nonlocal_vars_id): Ditto.
5394 (new_var_info): Set directly_dereferenced.
5395 (graph_size): New variable
5396 (build_constraint_graph): Use graph_size.
5397 (solve_graph): Don't process constraints that cannot change the
5398 solution, don't try to propagate an empty solution to our
5400 (process_constraint): Set directly_dereferenced.
5401 (could_have_pointers): New function.
5402 (get_constraint_for_component_ref): Don't process STRING_CST.
5403 (nonlocal_lookup): New function.
5404 (nonlocal_insert): Ditto.
5405 (create_nonlocal_var): Ditto.
5406 (get_nonlocal_id_for_type): Ditto.
5407 (get_constraint_for): Allow results vector to be empty in the case
5408 of string constants.
5409 Handle results of calls properly.
5410 (update_alias_info): Update alias info stats on number and type of
5412 (find_func_aliases): Use could_have_pointers.
5413 (make_constraint_from_escaped): Renamed from
5414 make_constraint_to_anything, and changed to make constraints from
5416 (make_constraint_to_escaped): New function.
5417 (find_global_initializers): Ditto.
5418 (create_variable_info_for): Make constraint from escaped to any
5419 global variable, and from any global variable to the set of
5421 (intra_create_variable_infos): Deal with escaped instead of
5422 pointing to anything.
5423 (set_uids_in_ptset): Do type pruning on directly dereferenced
5425 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5426 (init_base_vars): Fix comment, and initialize escaped_vars.
5427 (need_to_solve): Removed.
5428 (find_escape_constraints): New function.
5429 (expand_nonlocal_solutions): Ditto.
5430 (compute_points_to_sets): Call find_escape_constraints and
5431 expand_nonlocal_solutions.
5432 (delete_points_to_sets): Don't fall off the end of the graph.
5433 (init_alias_heapvars): Initialize nonlocal_for_type and
5435 (delete_alias_heapvars): Free nonlocal_for_type and null out
5438 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5440 * fold-const.c (add_double): Rename to add_double_with_sign.
5441 Add 'unsigned_p' parameter and take it into account for the overflow.
5442 (mul_double): Rename to mul_double_with_sign.
5443 Add 'unsigned_p' parameter and take it into account for the overflow.
5444 (fold_div_compare): Call add_double_with_sign instead of add_double
5445 and mul_double_with_sign instead of mul_double, passing them the
5446 unsignedness of the type.
5447 * tree.h (add_double): Macroize.
5448 (add_double_with_sign): New prototype.
5449 (mul_double): Macroize.
5450 (mul_double_with_sign): New prototype.
5452 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5454 * config/score/crti.asm: New file.
5455 * config/score/crtn.asm: New file.
5456 * config/score/elf.h: New file.
5457 * config/score/mac.md: New file.
5458 * config/score/misc.md: New file.
5459 * config/score/mul-div.S: New file.
5460 * config/score/predicates.md: New file.
5461 * config/score/score7.md: New file.
5462 * config/score/score.c: New file.
5463 * config/score/score-conv.h: New file.
5464 * config/score/score.h: New file.
5465 * config/score/score.md: New file.
5466 * config/score/score-mdaux.c: New file.
5467 * config/score/score-mdaux.h: New file.
5468 * config/score/score-modes.def: New file.
5469 * config/score/score.opt: New file.
5470 * config/score/score-protos.h: New file.
5471 * config/score/score-version.h: New file.
5472 * config/score/t-score-elf: New file.
5473 * config.gcc: Add score*-*-* configurations(Update before).
5474 * doc/invoke.texi (Score Options): New section.
5475 * doc/md.texi (Score family): New section to document constraints.
5477 2006-10-19 Nick Clifton <nickc@redhat.com>
5479 * config/arm/arm.c: Fix spelling typo.
5481 2006-10-18 Tom Tromey <tromey@redhat.com>
5483 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5485 2006-10-18 Jan Hubicka <jh@suse.cz>
5488 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5491 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5493 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5494 TSI_SAME_STMT, since that's the desired entity.
5496 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5498 * config/s390/contraints.md: New file.
5499 * config/s390/s390-protos.h (s390_mem_constraint,
5500 s390_O_constraint_str, s390_N_constraint_str,
5501 s390_float_const_zero_p): Function prototypes added.
5502 * config/s390/s390.c (s390_extra_constraint_str,
5503 s390_const_double_ok_for_constraint_p,
5504 s390_const_ok_for_constraint_p): Functions removed.
5505 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5506 s390_float_const_zero_p): New functions.
5507 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5508 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5509 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5510 Macro definitions removed.
5511 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5512 s390_extra_constraint_str): Functions removed.
5514 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5515 Richard Sandiford <richard@codesourcery.com>
5518 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5519 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5521 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5523 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5524 (DWARF2_FRAME_REG_OUT): Likewise.
5525 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5526 (DWARF2_FRAME_REG_OUT): Likewise.
5528 2006-10-17 Paul Brook <paul@codesourcery.com>
5530 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5532 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5534 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5535 Standardize on "GNU Fortran" as the official name of the Fortran
5538 2006-10-16 Mike Stump <mrs@apple.com>
5540 * doc/invoke.texi (Darwin Options): Document -mkernel.
5541 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5543 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5544 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5545 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5546 (OS_MISSING_ALTIVEC): Add.
5547 * config/i386/i386.c (override_options): Add
5548 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5549 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5550 -mkernel, -static or -mdynamic-no-pic is given.
5551 (C_COMMON_OVERRIDE_OPTIONS): Add.
5552 * config/darwin.opt (fapple-kext): Add.
5554 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5555 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5557 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5558 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5559 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5560 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5561 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5562 (flag_mkernel): Add.
5563 (flag_apple_kext): Add.
5564 (TARGET_KEXTABI): Add.
5565 * config/darwin.c (darwin_handle_kext_attribute): Add.
5566 (DARWIN_VTABLE_P): Add.
5567 (darwin_binds_local_p): Add partial support for rebinding vtables
5569 (darwin_kextabi_p): Add.
5570 (darwin_override_options): Add.
5571 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5572 (darwin_kextabi_p): Add.
5573 (darwin_override_options): Add.
5574 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5575 __DYNAMIC__ and __STATIC__ here.
5577 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5579 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5580 Added mention of "make pdf" target, and Texinfo requirements for
5583 2006-10-16 DJ Delorie <dj@redhat.com>
5585 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5586 into the GOT in case we need a subreg of the address.
5588 2006-10-16 Richard Guenther <rguenther@suse.de>
5591 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5592 SSE builtin documentation. Document SSE2 builtins.
5594 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5596 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5597 symbol in the output file for non-shared links when -nostdlib or
5598 -nodefaultlibs isn't specified.
5600 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5601 posix thread support.
5603 2006-10-15 Jan Hubicka <jh@suse.cz>
5606 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5607 declared always_inline even when not inlining.
5609 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5610 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5611 Andrew Pinski <pinskia@gmail.com>
5614 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5616 2006-10-15 Jan Hubicka <jh@suse.cz>
5617 Richard Guenther <rguenther@suse.de>
5620 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5621 process_function_and_variable_attributes on all variables, including
5622 those discovered during cgraph construction phase.
5624 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5626 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5628 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5630 * config/i386/athlon.md (athlon_fist): Add fisttp.
5632 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5633 Ian Lance Taylor <ian@airs.com>
5636 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5637 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5640 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5642 * config/score/score.c, config/score/score.h: Fix comment
5645 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5648 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5651 2006-10-13 Eric Christopher <echristo@apple.com>
5653 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5655 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5658 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5659 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5660 alignment supported by 32-bit ELF.
5662 2006-10-13 Eric Christopher <echristo@apple.com>
5664 * config/darwin.c (darwin_emit_unwind_label): Strip
5665 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5667 2006-10-13 Richard Guenther <rguenther@suse.de>
5669 PR tree-optimization/29446
5670 * tree-vrp.c (fix_equivalence_set): Remove.
5671 (extract_range_from_assert): Do not call fix_equivalence_set.
5672 (debug_value_range): Print a newline.
5673 (compare_name_with_value): For equivalence sets with
5674 inconsistent value ranges conservatively bail out.
5675 (compare_names): Likewise.
5677 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5679 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5680 and MPFR for gfortran.
5682 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5684 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5685 alignment supported by 32-bit ELF.
5687 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5691 * c-typeck.c (digest_init): Always allow initializing vectors
5692 that have static storage duration with compound literals.
5693 * tree.c (build_type_attribute_qual_variant): New, based on
5694 build_type_attribute_variant.
5695 (build_type_attribute_variant): Rewrite using the former.
5696 (make_vector_type): Use build_type_attribute_qual_variant to build
5697 type variants. Use type_hash_canon on the others.
5699 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5700 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5702 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5704 2006-10-12 Jan Hubicka <jh@suse.cz>
5707 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5708 current_function_decl is set but current_function_scope is not.
5710 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5712 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5713 emit_insn to emit eh_return_internal instruction.
5714 (eh_return_internal): Explicitly set pc.
5716 2006-10-11 Richard Guenther <rguenther@suse.de>
5718 PR tree-optimization/28230
5719 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5720 to the correct place.
5722 2006-10-11 Richard Guenther <rguenther@suse.de>
5725 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5728 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5730 * configure.ac: Added pdf to "Make-hooks"
5731 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5732 targets and *.pdf file patterns in cleanup targets.
5733 * configure: Regenerated.
5735 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5737 * config/avr/predicates.md: New file.
5738 * config/avr/avr.md: Include it.
5739 (REG_SP): New constant.
5740 (peepholes): Use predicates.
5741 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5742 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5743 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5745 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5747 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5750 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5753 * builtins.c (var_decl_component_p): New function.
5754 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5755 single entry optimization to variables and components thereof.
5757 2006-10-10 Richard Guenther <rguenther@suse.de>
5759 PR rtl-optimization/29323
5760 * except.c (set_nothrow_function_flags): For functions
5761 that do not bind local bail out early.
5763 2006-10-10 Ben Elliston <bje@au.ibm.com>
5765 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5768 2006-10-09 Richard Henderson <rth@redhat.com>
5770 Revert emutls patch.
5772 2006-10-09 Richard Guenther <rguenther@suse.de>
5775 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5778 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5781 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5782 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5783 * configure: Regenerate.
5784 * config.in: Regenerate.
5786 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5788 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5790 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5792 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5793 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5794 Remove stray newline.
5796 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5798 * config/mips/mips.c (mips_classify_symbol): Do not return
5799 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5800 (mips_in_small_data_p): Tweak comments.
5802 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5804 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5806 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5808 * gimplify.c, sched-int.h: Fix comment typos.
5810 * sched-int.h: Fix comment typos.
5812 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5814 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5816 * sched-ebb.c (begin_schedule_ready): Use them.
5817 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5818 add_to_speculative_block, create_check_block_twin, speculate_insn,
5819 fix_jump_move, move_block_after_check): Ditto.
5820 * sched-rgn.c (new_ready): Ditto.
5822 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5824 PR rtl-optimization/29128
5825 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5826 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5827 allow interblock movement of speculation checks.
5829 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5832 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5833 casted to integer type.
5834 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5835 if they are significantly more expensive than [reg + index] ones.
5837 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5839 PR tree-optimization/29330
5840 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5841 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5842 on newly allocated ddrs.
5843 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5844 to VEC (loop_p, heap) pointer.
5845 (compute_data_dependences_for_loop): Adjust caller.
5846 (free_dependence_relations): Free DDR_LOOP_NEST.
5848 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5849 free DEPENDENCE_RELATIONS and DATAREFS.
5852 * builtins.c (expand_builtin_sync_operation,
5853 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5854 Use convert_to_mode to handle promoted arguments.
5856 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5858 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5860 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5862 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5864 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5866 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5867 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5868 Use <modeconstraint> instead of "r" as operand 1 constraint.
5870 2006-10-06 Olivier Hainque <hainque@adacore.com>
5872 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5873 Don't recurse on the pointed-to type.
5874 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5875 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5876 types with components of variable size.
5878 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5880 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5882 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5884 PR tree-optimization/29290
5885 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5889 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5890 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5893 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5894 the number of vector elements fill the rest with zeros.
5896 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5898 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5899 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5902 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5904 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5905 unnamed pattern into subsi3. Use correct constraints/predicates.
5906 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5907 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5909 2006-10-05 Ira Rosen <irar@il.ibm.com>
5911 * doc/loop.texi: Add data references analysis description.
5913 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5915 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5917 2006-10-04 Richard Henderson <rth@redhat.com>
5918 Jakub Jelinek <jakub@redhat.com>
5920 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5921 * builtin-types.def (BT_WORD): Make unsigned.
5922 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5923 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5924 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5925 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5926 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5927 * cgraph.c (decide_is_variable_needed): Look at force_output.
5928 Recurse for emulated tls.
5929 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5930 checks redundant with decide_is_variable_needed.
5931 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5932 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5934 * expr.c (emutls_var_address): New.
5935 (expand_expr_real_1): Expand emulated tls.
5936 (expand_expr_addr_expr_1): Likewise.
5937 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5938 * output.h (emutls_finish): Declare.
5939 * toplev.c (compile_file): Call it.
5940 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5941 address before wrapping in CONST.
5942 * varasm.c (emutls_htab, emutls_object_type): New.
5943 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5944 (get_emutls_object_name, get_emutls_object_type): New.
5945 (get_emutls_init_templ_addr, emutls_decl): New.
5946 (emutls_common_1, emutls_finish): New.
5947 (assemble_variable): When emulating tls, swap decls; generate
5948 constructor for the emutls objects.
5949 (do_assemble_alias): When emulating tls, swap decl and target name.
5950 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5952 * emutls.c: New file.
5953 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5954 tls_object for real tls.
5956 2006-10-04 Zack Weinberg <zackw@panix.com>
5958 Fix bug in constraint-check generator, reported by Rask Ingemann
5960 * genpreds.c (add_constraint): Don't remove anything from the
5962 (write_tm_constrs_h): Detect whether "op" argument is used, and
5963 mark it ARG_UNUSED if it isn't.
5964 (write_insn_const_int_ok_for_constraint): Skip the part of the
5965 expression that would test whether "op" (which is not available
5966 here) is a CONST_INT.
5968 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
5971 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5973 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5975 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5976 current Leopard versions.
5977 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5979 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5981 * doc/install.texi: Fix typos.
5983 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5985 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5986 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5987 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
5989 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5991 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5992 arg to be struct mach_header_64* instead.
5994 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5997 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5998 side effects after the outer expression's post side effects.
6000 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6002 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6003 comments to reflect actual behavior and relationship between
6004 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6006 * doc/c-tree.texi (Working with declarations): Fix documentation
6007 of FIELD_DECL likewise.
6009 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6012 * doc/extend.texi: Add used variable attribute description.
6014 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6017 * c.opt (Woverride-init): New.
6018 * c-opts.c (c_common_post_options): Default warn_override_init to
6020 * c-typeck.c (add_pending_init, output_init_element): Warn for
6021 overriding initializers without side effects.
6022 * doc/invoke.texi (-Woverride-init): Document.
6025 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6027 PR rtl-optimization/28096
6028 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6029 assignment has already been used as a destination earlier in the block.
6031 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6033 * builtins.c (expand_builtin_setjmp): Delete.
6034 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6035 <BUILT_IN_SETJMP_SETUP>: New case.
6036 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6037 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6038 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6039 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6040 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6041 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6042 (lower_function_body): Initialize it to false. If it is set to true
6043 at the end of the processing, emit the setjmp dispatcher.
6044 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6045 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6046 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6047 on the rhs of the assignment.
6048 (lower_builtin_setjmp): New function.
6049 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6050 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6051 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6052 to detect calls that can go to non-local labels. Use specific
6053 helper to create the abnormal edges associated with them.
6054 <MODIFY_EXPR>: Likewise.
6055 (make_abnormal_goto_edges): New function extracted from...
6056 (make_goto_expr_edges): ...here. Call it for computed gotos.
6057 (simple_goto_p): Minor tweak.
6058 (tree_can_make_abnormal_goto): New predicate.
6059 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6060 (tree_purge_dead_abnormal_call_edges): New function.
6061 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6062 (tree_purge_dead_abnormal_call_edges): Likewise.
6063 (make_abnormal_goto_edges): Likewise.
6064 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6065 Purge all dead abnormal edges if the call was in the last statement.
6066 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6067 (execute_fixup_cfg): If there are non-local labels in the function,
6068 scan the basic blocks and split them at calls that can go to non-local
6069 labels or add missing abnormal call edges. Write down the CFG in the
6071 (pass_fixup_cfg): Remove TODO_dump_func flag.
6072 * unwind-sjlj.c: Poison setjmp.
6073 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6074 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6075 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6076 (DONT_USE_BUILTIN_SETJMP): Document it.
6078 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6081 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6082 to 1 when __ppc64__ is defined.
6083 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6085 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6087 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6089 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6090 * config/ia64/unwind-hpux.c: Delete.
6092 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6094 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6095 on the element before gimplifying it, instead of punting if it is of
6098 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6100 * doc/loop.texi: New file.
6101 * doc/gccint.texi: Reference loop.texi.
6102 * Makefile.in (loop.texi): Add.
6104 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6106 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6108 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6109 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6111 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6113 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6115 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6117 * doc/install.texi: Document required versions of GMP and MPFR.
6119 2006-09-27 Paul Brook <paul@codesourcery.com>
6122 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6124 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6126 * reload1.c (alter_reg): Require the alignment of the stack slot to
6127 be at least reg_max_ref_width bytes.
6128 (scan_paradoxical_subregs): Record the largest width in
6131 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6135 * tree-nested.c (struct nesting_info): Added static_chain_added.
6136 (convert_call_expr): Set static_chain_added when adding static
6137 chain. Handle OMP_PARALLEL and OMP_SECTION.
6139 2006-09-25 Matthias Klose <doko@debian.org>
6141 * doc/invoke.texi: Add missing full stop.
6143 2006-09-25 Richard Henderson <rth@redhat.com>
6145 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6146 before cgraph_function_flags_ready.
6148 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6149 Adam Nemet <anemet@caviumnetworks.com>
6151 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6152 determine_common_wider_type): New functions.
6153 (get_computation_aff): Use them to simplify arithmetic between
6154 UBASE and CBASE if they are shortened from the same type.
6156 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6159 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6160 -2147483647 - 1 instead of 0x80000000.
6162 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6164 * flags.h (HONOR_NANS): Fix typo in comment.
6166 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6168 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6170 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6174 * tree.c (merge_attributes, attribute_list_contained): If both
6175 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6177 * c-typeck.c (comptypes_internal): Don't consider aggregates
6178 in different TUs as compatible if there one set of attributes is
6179 not a subset of the other type's attributes.
6180 (composite_type): Try harder not to create a new aggregate type.
6182 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6184 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6185 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6186 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6187 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6188 than replicating condition above.
6189 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6191 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6192 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6193 the linker by default.
6195 2006-09-22 Mike Stump <mrs@apple.com>
6197 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6200 2006-09-22 Richard Guenther <rguenther@suse.de>
6203 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6204 sort of stack variables stable.
6206 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6209 * explow.c (force_reg): Set REG_POINTER flag according to
6212 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6214 PR tree-optimization/28888
6215 * tree-if-conv.c (combine_blocks): Rewritten.
6216 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6217 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6219 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6221 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6224 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6226 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6228 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6230 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6232 2006-09-21 Roger Sayle <roger@eyesopen.com>
6235 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6236 dw_fde_current_label, to be the start of the function, i.e. the same
6237 value as dw_fde_begin.
6239 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6241 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6242 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6243 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6244 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6245 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6246 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6247 (abs<mode>2, neg<mode>2): Likewise.
6248 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6249 (*mips_abs_ps): New define_insn.
6251 2006-09-20 Josh Conner <jconner@apple.com>
6254 * calls.c (expand_call): Allow reuse of structure return stack
6257 2006-09-20 Paul Brook <paul@codesourcery.com>
6259 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6262 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6264 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6265 clean up terminology.
6267 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6270 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6271 with tablejumps in them.
6273 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6276 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6277 wrap it into TARGET_EXPR.
6279 2006-09-20 Eric Christopher <echristo@apple.com>
6281 * config/i386/i386.c (x86_fisttp): Remove.
6282 * config/i386/i386.h (x86_fisttp): Ditto.
6283 (TARGET_FISTTP): Ditto.
6285 2006-09-19 Eric Christopher <echristo@apple.com>
6287 * doc/tm.texi (OBJC_JBLEN): Describe.
6288 * config/i386/darwin.h (OBJC_JBLEN): Define.
6289 * config/rs6000/darwin.h: Ditto.
6291 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6293 PR rtl-optimization/21299
6294 * reload1.c (reload): Purge invalid ASMs in the final pass.
6296 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6299 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6300 pointers as legitimate constants.
6302 2006-09-19 Paul Brook <paul@codesourcery.com>
6305 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6307 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6309 PR tree-optimization/28887
6310 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6311 component parts from the reference.
6312 (gather_memory_references_ref): Record the reference without the
6313 nonaddressable component parts.
6315 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6318 * c-opts.c (c_common_handle_option): Ignore the -std options
6319 if the input language is assembly.
6321 2006-09-17 Ira Rosen <irar@il.ibm.com>
6324 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6326 (ptr_ptr_may_alias_p): Likewise.
6327 (record_record_differ_p): New function.
6328 (base_object_differ_p): Call record_record_differ_p.
6330 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6333 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6334 away for the expr argument.
6336 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6339 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6340 before using it for dumping after vectorizing loops.
6342 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6343 Jack Howarth <howarth@bromo.med.uc.edu>
6346 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6347 skip on error_mark_node.
6348 (rs6000_darwin64_record_arg_recurse): Likewise.
6350 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6352 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6353 * doc/rtl.texi: Remove related documentation.
6355 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6357 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6360 2006-09-15 Jim Wilson <wilson@specifix.com>
6362 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6363 Handle symbol offsets same as they are handled in ia64_expand_move
6366 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6368 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6369 Add forgotten parameter to the fprintf call.
6371 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6373 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6375 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6377 * doc/contrib.texi: Add my entry.
6379 2006-09-15 Nick Clifton <nickc@redhat.com>
6381 * doc/md.texi (Processor pipeline description): Fix typo in
6382 example of how to use the absence_set directive and reword the
6383 description to make it slightly easier to read.
6385 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6387 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6388 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6389 expanding the number of iterations.
6390 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6392 * cfgrtl.c (emit_insn_at_entry): New function.
6393 * rtl.h (emit_insn_at_entry): Declare it.
6394 * integrate.c (emit_initial_value_sets): Use it.
6396 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6398 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6400 (struct loop_work and related VEC declarations): Delete.
6401 (bfin_dump_loops): Print out new member bad.
6402 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6403 (bfin_scan_loop): Don't recurse.
6404 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6405 loops. No longer need to update outer loops if the current one is
6406 found bad. Move some validitiy checks to bfin_discover_loop.
6407 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6408 but changed not to check for nesting. Also changed to use the new bad
6410 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6411 time. Use bitmap based test to discover loop nesting.
6413 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6415 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6418 2006-09-14 Richard Guenther <rguenther@suse.de>
6419 Kazu Hirata <kazu@codesourcery.com>
6421 PR middle-end/28884.
6422 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6423 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6424 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6425 with TARGET_FUNCTION_VALUE.
6427 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6430 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6432 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6434 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6437 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6440 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6443 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6445 * basic_block.h (bb_has_eh_pred): Fix comment.
6447 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6449 * flow.c (calculate_global_regs_live): Invalidate eh registers
6450 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6451 (propagate_block): Handle eh registers as if they were set at basic
6453 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6455 * global.c (global_conflicts): Make eh registers to conflict with
6456 pseudos live at basic block begin.
6457 * basic_block.h (bb_has_eh_pred): New function.
6459 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6461 PR rtl-optimization/28982
6462 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6463 index of a PRE_MODIFY or POST_MODIFY address.
6464 * reload1.c (inc_for_reload): Use find_replacement on the original
6465 base and index registers.
6467 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6469 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6470 for -Os. Update __m128 alignment requirement.
6472 2006-09-13 Jan Hubicka <jh@suse.cz>
6474 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6476 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6478 PR rtl-optimization/28243
6479 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6480 the insn to which the note was originally attached.
6482 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6483 Roger Sayle <roger@eyesopen.com>
6485 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6486 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6487 on platforms that don't use dwarf for debug info.
6489 2006-09-12 Jason Merrill <jason@redhat.com>
6492 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6493 hard_frame_pointer_rtx after using it to update the frame pointer.
6495 2006-09-12 Roger Sayle <roger@eyesopen.com>
6497 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6498 (TARGET_ASM_CLOSE_PAREN): Likewise.
6499 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6500 (TARGET_ASM_CLOSE_PAREN): Likewise.
6502 2006-09-12 Roger Sayle <roger@eyesopen.com>
6505 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6506 frame information for frames larger than 512 Kbytes on Tru64 when
6507 using the native assembler.
6509 2006-09-12 Roger Sayle <roger@eyesopen.com>
6513 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6514 and symbols. Instead use the implementation from cse.c's hash_rtx.
6516 2006-09-12 Jan Hubicka <jh@suse.cz>
6518 PR rtl-optimization/28071
6519 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6520 (vect_transform_loop): Likewise.
6521 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6522 (new_loop_vec_info): Likewise.
6523 (destroy_loop_vec_info): Likewise.
6524 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6525 (create_stmt_ann): Likewise.
6526 (create_tree_ann): Rename to ...
6527 (create_tree_common_ann): ... this one; allocate only the common part
6529 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6530 (get_value_handle): Likewise.
6531 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6532 get_tree_common_ann.
6533 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6534 (vinfo_for_stmt): Use stmt annotations.
6535 * tree-flow.h (tree_ann_common_t): New type.
6536 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6537 (tree_ann, get_tree_ann, create_tree_ann): New.
6538 * tree-flow-inline.h (get_function_ann): Do more type checking.
6539 (stmt_ann): Likewise.
6540 (tree_ann): Rename to ...
6541 (tree_common_ann): ... this one; return ony common_ann
6542 (get_tree_ann): Rename to ...
6543 (tree_common_ann): This one; return only common_ann.
6544 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6547 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6549 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6550 with_cpu by default.
6552 * dwarf2out.c (dwarf_file_data): New.
6553 (enum dw_val_class): Add dw_val_class_file.
6554 (struct dw_val_struct): Add val_file.
6555 (file_table): Change to a hash table.
6556 (file_table_emitted): Delete.
6557 (file_table_last_lookup_index): Delete.
6558 (emitcount): Delete.
6559 (last_emitted_file): New.
6560 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6561 (init_file_table): Delete.
6562 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6563 (AT_addr): Add comment.
6567 (print_die): Handle dw_val_class_file.
6568 (print_dwarf_line_table): Update for new file table structure.
6569 (attr_checksum): Do checksum a filename.
6570 (same_dw_val_p, same_attr_p): Do compare a filename.
6571 (size_of_die): Handle dw_val_class_file.
6572 (value_format): Likewise.
6573 (output_die): Likewise. Also, call maybe_emit_file here.
6574 (struct file_info): Constify filenames. Make file_idx a pointer
6575 to a struct dwarf_file_data.
6576 (struct dir_info): Constify directory names. Remove 'used' field.
6577 (struct file_name_acquire_data): New.
6578 (file_name_acquire): New.
6579 (output_file_names): Modify to handle new file data structures.
6580 (add_src_coords_attributes): Use add_AT_file.
6581 (add_call_src_coords_attributes): Likewise.
6582 (dwarf2out_imported_module_or_decl): Likewise.
6583 (gen_subprogram_die): Modify for new file data structures.
6584 (gen_variable_die): Likewise.
6585 (file_table_eq): New.
6586 (file_table_hash): New.
6587 (file_table_last_lookup): New.
6588 (lookup_filename): Rewrite to handle new file data structures.
6589 (maybe_emit_file): Rewrite to handle new file data structures.
6590 (dwarf2out_source_line): Always call lookup_filename and
6592 (dwarf2out_init): Create file_table here.
6593 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6594 (file_table_relative_p): New.
6595 (dwarf2out_finish): Change detection of relative filenames
6596 to work with new file data structures. Move output_line_info call
6597 after debug_info output.
6599 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6604 * config/i386/i386.c (override_options): Always default to 16
6605 byte stack boundary.
6607 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6610 * var-tracking.c (dump_dataflow_set): Start dumping at
6612 (clobber_variable_part): Kill only the variable part in
6613 registers holding it, leaving other variables alone.
6615 2006-09-11 Josh Triplett <josh@freedesktop.org>
6617 * doc/extend.texi (Other Builtins): Actually use the macro
6618 argument in the documentation example for
6619 __builtin_types_compatible_p.
6621 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6623 PR rtl-optimization/28726
6624 * sched-deps.c (sched_analyze_reg): New function extracted from...
6625 (sched_analyze_1): ...here. Call it to analyze references to
6626 registers. Treat again writes to a stack register as writing to the
6628 (sched_analyze_2): ...and here. Call it to analyze references to
6629 registers. Treat again reads of a stack register as reading the
6632 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6633 David Edelsohn <edelsohn@gnu.org>
6636 * config/rs6000/spe.md (frob_df_di): Remove %H.
6637 (frob_di_df): Remove %H. Change evmergelo to mr.
6638 (frob_di_df_2): Remove %H. Change evldd to two loads.
6640 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6642 * doc/cpp.texi: Fix names of charset options.
6644 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6647 * config/i386/i386.c (override_options): Use 128-bit
6648 stack boundary always for 64bits.
6650 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6652 PR rtl-optimization/28636
6653 * combine.c (force_to_mode): Test for side-effects before
6654 substituting by zero.
6655 (simplify_shift_const): Likewise for zero or other constants.
6657 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6660 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6663 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6666 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6667 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6668 returned by mode_for_size, rather than the mode of src itself,
6669 to choose between 32-bit and 64-bit patterns.
6670 (mips_mem_fits_mode_p): New function.
6671 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6672 that the size of the source matches the size of the destination.
6673 (mov_<store>l, mov_<store>r): Likewise.
6675 2006-09-10 Eric Christopher <echristo@apple.com>
6677 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6680 2006-09-09 Eric Christopher <echristo@apple.com>
6683 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6686 2006-09-09 Roger Sayle <roger@eyesopen.com>
6687 Nicolas Setton <setton@adacore.com>
6689 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6691 2006-09-10 Andreas Schwab <schwab@suse.de>
6693 * config/m68k/m68k.md (bungt_rev): New pattern.
6695 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6696 Dale Johannesen <dalej@apple.com>
6699 * regclass.c (struct reg_pref): Update documentation.
6700 (regclass): Set prefclass to NO_REGS if memory is the best option.
6701 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6703 2006-09-08 Eric Christopher <echristo@apple.com>
6705 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6706 * config/t-slibgcc-darwin: Support x86_64 multilib.
6707 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6708 Return 1 for x86_64-darwin.
6709 * config/i386/t-darwin: Add m64 multilib.
6710 (LIB2_SIDITI_CONV_FUNCS): Use.
6711 (LIB2FUNCS_EXTRA): Ditto.
6712 * config/i386/darwin.h: Support x86_64.
6713 * config/i386/i386.c (override_options): Turn on flag_pic
6714 for x86_64-darwin. Disable flag_omit_pointer.
6715 (get_pc_thunk_name): Assert !TARGET_64BIT.
6716 (legitimate_address_p): Disable machopic addressing for
6718 (legitimize_pic_address): Ditto.
6719 (ix86_expand_move): Ditto.
6720 (ix86_expand_call): Ditto.
6721 (machopic_output_stub): Ditto.
6722 * config/darwin.c (machopic_select_section): Support literal16.
6723 (machopic_select_rtx_section): Ditto.
6724 * config/darwin-sections.def: Ditto.
6725 * config/darwin-64.c: New.
6727 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6730 * c-tree.h (struct c_arg_info): Add pending_sizes.
6731 * c-parser.c (c_parser_parms_declarator,
6732 c_parser_parms_list_declarator): Initialize pending_sizes.
6733 * c-decl.c (get_parm_info): Initialize pending_sizes.
6734 (get_parm_info): Set pending_sizes.
6735 (grokdeclarator): Call put_pending_sizes for parameters for
6736 function definition only.
6738 2006-09-07 Jason Merrill <jason@redhat.com>
6741 * varasm.c (output_constant): Only strip actual no-op conversions.
6744 * config/i386/i386.c (override_options): Use 128-bit
6745 stack boundary if -msse.
6747 2006-09-07 Eric Christopher <echristo@apple.com>
6749 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6751 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6754 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6756 * dwarf2out.c: Remove strange characters from comment above
6757 dwarf2out_frame_debug_expr.
6759 2006-09-07 Eric Christopher <echristo@apple.com>
6761 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6762 * config/darwin.h: ... to here.
6764 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6766 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6768 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6769 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6771 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6772 TARGET_PARTIAL_FLAG_REG_STALL.
6773 (*ashldi3_cconly_rex64): Likewise.
6774 (*ashlsi3_cmp): Likewise.
6775 (*ashlsi3_cconly): Likewise.
6776 (*ashlsi3_cmp_zext): Likewise.
6777 (*ashlhi3_cmp): Likewise.
6778 (*ashlhi3_cconly): Likewise.
6779 (*ashlqi3_cmp): Likewise.
6780 (*ashlqi3_cconly): Likewise.
6781 (*ashrdi3_cmp_rex64): Likewise.
6782 (*ashrdi3_cconly_rex64): Likewise.
6783 (*ashrsi3_cmp): Likewise.
6784 (*ashrsi3_cconly): Likewise.
6785 (*ashrsi3_cmp_zext): Likewise.
6786 (*ashrhi3_cmp): Likewise.
6787 (*ashrhi3_cconly): Likewise.
6788 (*ashrqi3_cmp): Likewise.
6789 (*ashrqi3_cconly): Likewise.
6790 (*lshrdi3_cmp_rex64): Likewise.
6791 (*lshrdi3_cconly_rex64): Likewise.
6792 (*lshrsi3_cmp): Likewise.
6793 (*lshrsi3_cconly): Likewise.
6794 (*lshrsi3_cmp_zext): Likewise.
6795 (*lshrhi3_cmp): Likewise.
6796 (*lshrhi3_cconly): Likewise.
6797 (*lshrqi2_cmp): Likewise.
6798 (*lshrqi2_cconly): Likewise.
6800 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6803 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6804 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6805 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6806 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6807 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6808 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6809 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6810 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6811 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6812 implement only CC setting effects of shift instructions.
6814 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6816 * doc/contrib.texi: Add myself.
6818 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6821 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6822 was set by the user.
6824 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6827 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6828 (divsi_inv_m1): Use them.
6829 (UNSPEC_DIV_INV_TABLE): New constant.
6831 2006-09-06 James E Wilson <wilson@specifix.com>
6834 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6835 then call count_or_remove_death_notes.
6837 2006-09-06 Jason Merrill <jason@redhat.com>
6840 * tree-inline.c (copy_result_decl_to_var): New fn.
6841 (declare_return_variable): Use it. Call declare_inline_vars here.
6842 (expand_call_inline): Not here.
6844 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6846 * doc/contrib.texi: Update my entry.
6848 2006-09-06 Nick Clifton <nickc@redhat.com>
6850 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6852 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6855 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6856 (canonicalize_induction_variables): Likewise.
6857 (tree_unroll_loops_completely): Likewise.
6858 (tree_ssa_prefetch_arrays): Likewise.
6859 (remove_empty_loops): Likewise.
6860 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6861 TODO_cleanup_cfg instead of directly calling
6862 cleanup_tree_cfg_loop.
6863 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6865 (tree_unroll_loops_completely): Likewise.
6866 (remove_empty_loops): Likewise.
6867 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6868 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6869 of tree_ssa_unswitch_loops.
6870 (tree_ssa_loop_ivcanon): Use the return value of
6871 canonicalize_induction_variables.
6872 (tree_ssa_empty_loop): Use the return value of
6874 (tree_complete_unroll): Use the return value of
6875 tree_unroll_loops_completely.
6876 (tree_ssa_loop_prefetch): Use the return value of
6877 tree_ssa_prefetch_arrays.
6878 * passes.c (execute_todo): Before Cleanup CFG, set
6879 updating_used_alone and after cleanup CFG, call
6880 recalculate_used_alone.
6882 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6885 * tree-vect-transform.c (vectorizable_condition): Move the check
6886 for the type after the check for simple condition.
6888 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6889 Kaz Kojima <kkojima@gcc.gnu.org>
6892 * mode-switching.c (optimize_mode_switching): Make the destination
6893 block of an abnormal edge have no anticipatable mode. Don't
6894 insert mode switching code at the end of the source block of
6897 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6899 PR rtl-optimization/26847
6900 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6901 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6902 (simplify_plus_minus): Count n_constants while filling ops. Replace
6903 qsort with insertion sort. Before going through the array to simplify
6904 pairs, sort it. Delay early exit until after the first sort, exiting
6905 only if no swaps occurred. Simplify pairs in reversed order, without
6906 special-casing the first iteration. Pack ops after simplifying pairs.
6908 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6910 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6911 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6912 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6913 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6915 2006-09-05 Richard Guenther <rguenther@suse.de>
6917 PR tree-optimization/28900
6918 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6919 compound conditional before creating COND_EXPR condition.
6921 2006-09-05 Richard Guenther <rguenther@suse.de>
6923 PR tree-optimization/28905
6924 * tree-vrp.c (fix_equivalence_set): Manually implement
6925 !value_ranges_intersect_p to also handle symbolic ranges.
6927 2006-09-05 Richard Guenther <rguenther@suse.de>
6930 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6933 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6935 PR rtl-optimization/27616
6936 * cse.c (table_size): New static variable.
6937 (new_basic_block): Initialize it to 0.
6938 (remove_from_table): Decrement it.
6939 (insert): Increment it.
6940 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6941 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6942 fold_rtx_mem_1 if under the cap.
6943 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6944 the lookup of the equivalent expression and test for equality of the
6945 first operand of the equivalent expression before in turn looking up
6946 an equivalent constant for the second operand.
6948 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6951 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6952 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6953 pointer, instead of assuming it is possible to derive the
6954 correct args size from a call insn.
6956 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6959 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6960 (fold_builtin_mempcpy): Rename to...
6961 (fold_builtin_memory_op): ... this. Optimize one element copy
6963 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
6965 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
6966 (expand_builtin_memcpy, expand_builtin_mempcpy,
6967 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
6968 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
6969 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
6970 BUILT_IN_MEM{CPY,PCPY,MOVE}.
6972 2006-09-01 DJ Delorie <dj@redhat.com>
6974 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6975 (stzx_16): Likewise.
6976 ("stzx_24_<mode>"): Likewise.
6977 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6978 ("cmp<mode>_op"): New.
6979 (cmp<mode>): Change to expander; just save operands.
6981 (b<code>): Change to expander, emit compare here.
6982 (s<code>_op): Change to use split and expander.
6983 (s<code>_24_op): Likewise.
6984 (s<code>_<mode>): New.
6985 (s<code>_<mode>_24): New.
6986 (movqicc_<code>_<mode): New.
6987 (movhicc_<code>_<mode>): New.
6990 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6991 (m32c_pend_compare): New.
6992 (m32c_unpend_compare): New.
6993 (m32c_expand_scc): New.
6994 (m32c_expand_movcc): Emit the compare also.
6995 * config/m32c/predicates.md (mra_nopp_operand): New.
6997 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6998 Richard Guenther <rguenther@suse.de>
6999 Adam Nemet <anemet@caviumnetworks.com>
7002 * builtins.c (get_pointer_alignment): Handle more forms
7003 of base addresses that can be used to derive more precise
7004 information about alignment.
7006 2006-09-01 Jason Merrill <jason@redhat.com>
7009 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7012 * gimplify.c (voidify_wrapper_expr): Handle null type.
7014 2006-09-01 Josh Conner <jconner@apple.com>
7017 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7018 (execute_return_slot_opt): Use it.
7020 2006-08-31 Josh Conner <jconner@apple.com>
7023 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7024 returning aggregates.
7026 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7028 PR tree-optimization/28839
7029 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7030 blocks in that phi arguments appear.
7032 2006-08-31 Roger Sayle <roger@eyesopen.com>
7035 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7036 NULL, otherwise use an advance_loc4 to adjust relative to the
7038 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7039 (dwarf2out_switch_text_section): Reset the current label to avoid
7040 using advance_loc4 over section boundaries.
7042 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7045 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7046 r12 + SYMBOLIC_CONST.
7048 2006-08-30 Richard Guenther <rguenther@suse.de>
7050 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7052 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7054 PR rtl-optimization/27735
7055 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7056 Add new argument to keep track of whether an irreducible region
7057 was affected. All callers changed.
7058 (fix_irreducible_loops): Removed.
7059 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7060 flags were invalidated.
7062 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7064 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7065 instead of SF operands.
7066 (*fop_df_comm_sse): Likewise.
7067 (*fop_df_comm_i387): Likewise.
7068 (*fop_df_1_mixed): Likewise.
7069 (*fop_df_1_sse): Likewise.
7071 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7072 J"orn Rennecke <joern.rennecke@st.com>
7074 PR tree-optimization/17506
7075 * tree-ssa.c (warn_uninit): If warning about a location outside of
7076 the current function, note where the variable was declared.
7078 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7080 PR tree-optimization/28411
7081 * double-int.c (double_int_div): Use double_int_divmod.
7082 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7083 double_int_mod, double_int_smod, double_int_umod): New functions.
7084 * double-int.h (double_int_divmod, double_int_sdivmod,
7085 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7087 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7089 (get_computation_aff, get_computation_cost_at): Handle double_int
7090 return type of constant_multiple_of.
7092 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7095 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7096 an implicit conversion.
7098 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7100 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7102 2006-08-27 Roger Sayle <roger@eyesopen.com>
7104 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7107 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7109 * config/i386/crtfastmath.c: Fix a comment typo.
7111 2006-08-26 Roger Sayle <roger@eyesopen.com>
7113 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7114 temporary visit flags on CASE_LABEL_EXPRs.
7115 * c-common.c (match_case_to_enum): Add function comment. Avoid
7116 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7117 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7118 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7119 a constant, only warn if that constant value isn't handled.
7121 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7124 * input.h (restore_input_file_stack): Declare.
7125 (INPUT_FILE_STACK_BITS): Define.
7126 * toplev.c (fs_p, input_file_stack_history,
7127 input_file_stack_restored, restore_input_file_stack): New.
7128 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7129 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7130 (pop_srcloc): Don't free old state of stack.
7132 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7135 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7136 (PowerPC Type Attributes): New.
7138 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7140 * config/xtensa/xtensa.c (function_arg_boundary): New.
7141 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7143 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7144 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7146 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7149 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7152 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7154 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7155 (verify_local_live_at_start): Likewise.
7157 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7160 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7161 omp_add_variable): Treat sizes as variable whenever not
7164 2006-08-26 Richard Guenther <rguenther@suse.de>
7167 * fold-const.c (fold_binary): Fold temporary to correct
7168 type before constructing new comparison.
7170 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7173 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7174 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7176 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7179 * c-decl.c (start_function): Don't try to process prototype
7180 information from old declaration that isn't a function.
7182 2006-08-25 Jan Hubicka <jh@suse.cz>
7185 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7187 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7190 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7193 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7195 PR tree-optimization/16876
7196 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7197 exit if PARM doesn't match VALUE.
7199 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7201 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7202 literal_prefix directive.
7203 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7204 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7205 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7207 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7210 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7211 predicate to general_operand. Add 0->y and I->r alternatives.
7213 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7215 * doc/tm.texi: Fix a typo.
7216 * predict.c: Fix comment typos.
7218 2006-08-25 Nick Clifton <nickc@redhat.com>
7220 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7221 assertions of "cpu" and "machine".
7223 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7226 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7227 the access through a base which has an alias set of 0 cannot
7230 2006-08-24 Bill Wendling <wendling@apple.com>
7232 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7234 2006-08-24 Jan Hubicka <jh@suse.cz>
7236 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7238 2006-08-24 Jan Hubicka <jh@suse.cz>
7241 * cgraph.c: Fix comments.
7242 (cgraph_varpool_mark_needed_node): Mark only variables not already
7244 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7245 (cgraph_varpool_assembled_nodes_queue): New static variable.
7246 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7247 (cgraph_varpool_output_debug_info): New function.
7248 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7249 * Makefile.in: Add gt-cgraphunit.h
7251 2006-08-24 Jan Hubicka <jh@suse.cz>
7253 * predict.c (probability_reliable_p): New predicate.
7254 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7255 (predict_loops): Do not predict loop exit with less than 2%
7257 * basic-block.h (edge_probability_reliable_p,
7258 br_prob_note_reliable_p): Declare.
7259 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7260 prediction when static predictor is not reliable.
7261 * rs6000.c (output_cbranch): Likewise.
7263 2006-08-23 Stuart Hastings <stuart@apple.com>
7266 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7267 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7269 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7272 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7273 complex values, nor for generic vector values.
7275 2006-08-22 Richard Guenther <rguenther@suse.de>
7278 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7279 parameter. Convert arguments to arithmetic expression to the
7281 (analyze_scalar_evolution_1): Adjust caller.
7283 2006-08-22 Jan Hubicka <jh@suse.cz>
7285 Patch by Paolo Bonzini
7286 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7289 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7291 PR tree-optimization/28003
7292 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7293 before grouping aliases.
7295 2006-08-22 Roger Sayle <roger@eyesopen.com>
7297 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7298 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7300 2006-08-21 Jason Merrill <jason@redhat.com>
7303 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7304 wrapper. Loop to handle nested wrappers.
7305 (gimplify_bind_expr): Remove temp parameter.
7306 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7307 and STATEMENT_LIST on the rhs.
7308 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7309 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7310 (gimplify_target_expr): Remove special BIND_EXPR handling.
7312 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7314 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7317 2006-08-21 Olivier Hainque <hainque@adacore.com>
7319 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7320 Arrange for the temporary captures of components overlapping the lhs
7321 to happen before the lhs is possibly cleared.
7323 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7325 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7326 necessary places to pass the correct "number of registers" values
7329 2006-08-20 Jan Hubicka <jh@suse.cz>
7331 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7332 (create_name_tags): Instead of quadratic checking use hashtable.
7333 * bitmap.h: Include hashtab.h.
7334 (bitmap_hash): Declare.
7335 * bitmap.c (bitmap_hash): New function.
7337 2006-08-20 Jan Hubicka <jh@suse.cz>
7339 PR rtl-optimization/28071
7340 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7342 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7343 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7344 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7345 cgraph_decide_inlining_incrementally): Update use of
7346 cgraph_check_inline_limits.
7347 * cgraph.c (edge_hash, edge_eq): New function.
7348 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7349 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7350 cgraph_remove_node): Maintain call site hash.
7351 * cgraph.h (struct cgraph_node): Add call_site_hash.
7352 (cgraph_set_call_stmt): New function.
7354 2006-08-20 Jan Hubicka <jh@suse.cz>
7356 PR rtl-optimization/28071
7357 * reload1.c (reg_has_output_reload): Turn into regset.
7358 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7359 choose_reload_regs, emit_reload_insns): Update to new
7360 reg_has_output_reload.
7362 2006-08-20 Jan Hubicka <jh@suse.cz>
7365 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7366 function body sizes.
7367 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7369 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7372 * tree.c (handle_dll_attribute): Return early if not a
7373 var or function decl.
7375 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7378 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7379 alignment of SPE vector types.
7381 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7383 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7385 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7388 * cgraph.h (struct cgraph_node): Remove externally_visible
7390 * cgraphunit.c (process_function_and_variable_attributes): Set
7391 local.externally_visible rather than externally_visible.
7394 * c-common.c (handle_externally_visible_attribute): First look
7395 at TREE_CODE and only if it is function or var decl, check for
7396 non-public objects. Don't warn for DECL_EXTERNAL.
7397 * cgraphunit.c (process_function_and_variable_attributes): Warn
7398 if externally_visible attribute is used on non-public object.
7400 2006-08-17 Jan Hubicka <jh@suse.cz>
7402 PR tree-optimization/27865
7403 * reload1.c (forget_marked_reloads): New function.
7404 (forget_old_reloads_1): When data are passed, just mark the registers
7406 (reload_as_needed): Use the new mechanizm.
7408 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7411 * reload.h (reg_equiv_alt_mem_list): New declaration.
7412 * reload1.c (reg_equiv_alt_mem_list): New definition.
7413 (reload): Initialize it and release it.
7414 (delete_output_reload): Use it.
7415 * reload.c (push_reg_equiv_alt_mem): New function.
7416 (find_reloads_toplev): Call it.
7417 (find_reloads_address, find_reloads_address_1): Likewise.
7418 (find_reloads_subreg_address): Likewise.
7420 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7422 PR rtl-optimization/28489
7423 * sched-ebb.c (begin_schedule_ready): Create basic block
7425 (advance_target_bb): Skip empty blocks.
7426 * haifa-sched.c (bb_note): Make global.
7427 * sched-int.h (bb_note): Add prototype.
7429 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7431 PR tree-optimization/27865
7432 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7434 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7435 fold_used_pointer, pointer_used_p): New functions.
7436 (analyze_scalar_evolution_1): Use fold_used_pointer.
7437 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7438 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7441 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7444 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7445 or the INTEGER_CST. Fail on a CALL_EXPR.
7446 (fold_offsetof): Pass new argument to fold_offsetof_1.
7447 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7448 operand into an INDIRECT_REF.
7449 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7451 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7453 PR gcov/profile/26570
7454 * value-prof.c (static_values): Removed.
7455 (tree_find_values_to_profile): Do not set static_values.
7456 (find_values_to_profile): Do not free static_values.
7457 * profile.c (instrument_values): Do not free the values.
7458 (branch_prob): Free the values.
7460 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7462 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7464 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7467 * c-typeck.c (build_component_ref): Combine qualifiers of
7468 structure or union and field.
7470 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7472 PR rtl-optimization/28071
7473 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7474 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7475 * tree-into-ssa.c (struct dom_dfsnum): New.
7476 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7478 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7479 compute_global_livein.
7480 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7481 in phi nodes in the correct blocks.
7483 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7485 PR tree-optimization/28364
7486 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7488 (fold_affine_expr): New function.
7489 (may_eliminate_iv): Use fold_affine_expr.
7491 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7494 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7497 2006-08-16 Mike Stump <mrs@apple.com>
7499 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7500 * doc/cppopts.texi (-MD): Likewise.
7502 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7505 * c-common.c (handle_weak_attribute): Ignore and warn if
7506 not a FUNCTION_ or VAR_DECL.
7508 2006-07-15 Mike Stump <mrs@apple.com>
7511 * c-parser.c (c_parser_typeof_specifier): Don't use
7512 c_finish_expr_stmt, open code desired semantics instead.
7514 2006-08-15 Nick Clifton <nickc@redhat.com>
7516 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7517 fragment to tmake_file only if threads are enabled.
7518 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7519 * config/i386/t-gthr-win32: New file. ... here.
7521 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7524 * c-parser.c (c_parser_compound_statement_nostart): Reset
7525 parser->error after each statement.
7527 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7530 * omp-low.c (lower_omp_parallel): Convert t to
7531 receiver_decl's type.
7532 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7533 source before comparison.
7536 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7537 to itype in assignment to oldival2.
7539 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7543 * c-typeck.c (build_compound_expr): If the second expression
7544 is an error mark, then just return an error mark instead of
7545 creating a COMPOUND_EXPR.
7547 2006-07-14 Mike Stump <mrs@apple.com>
7549 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7551 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7553 * c-decl.c, var-tracking.c: Fix comment typos.
7555 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7557 PR rtl-optimization/28634
7558 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7559 for floating-point modes unless flag_unsafe_math_optimizations.
7561 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7562 Andrew Pinski <pinskia@physics.uc.edu>
7565 * tree.c (build_array_type): Unify array types with
7566 unspecified index_type.
7567 * c-decl.c (grokdeclarator): Make sure we do not modify a
7568 unified incomplete array type.
7569 * c-typeck.c (store_init_value): Create distinct type before
7570 filling in the index type in an initializer from a compound
7573 * c-decl.c (grokdeclarator): Remove code where we copy the
7576 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7578 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7579 into account for TODO_dump_cgraph.
7580 (TODO_update_ssa_no_phi): Likewise.
7581 (TODO_update_ssa_full_phi): Likewise.
7582 (TODO_update_ssa_only_virtuals): Likewise.
7583 (TODO_remove_unused_locals): Likewise.
7584 (TODO_set_props): Likewise.
7585 (TODO_update_stmt_usage): Likewise.
7587 2006-08-13 Dirk Mueller <dmueller@suse.de>
7589 * c-common.c (strict_aliasing_warning): Fix formatting.
7591 2006-08-13 Matthias Klose <doko@debian.org>
7593 * doc/invoke.texi: Fix spelling errors.
7595 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7597 PR rtl-optimization/23454
7598 * reorg.c (relax_delay_slots): Update comment.
7600 2006-08-11 Richard Guenther <rguenther@suse.de>
7603 * simplify-rtx.c (simplify_const_relational_operation):
7604 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7607 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7609 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7610 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7612 2006-08-10 Paul Brook <paul@codesourcery.com>
7614 * final.c (final_scan_insn): Clear current_insn_predicate before
7615 outputting inline asm.
7617 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7619 PR tree-optimization/26197
7620 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7621 get_ref_base_and_extent and overlap_subvar to add only relevant
7622 subvars as may-aliases.
7623 (add_may_alias_for_new_tag): New function, factored out of
7625 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7626 with additional argument.
7627 * tree-flow.h (new_type_alias): Takes additional argument.
7629 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7631 * gcov.c (no_data_file): New flag.
7632 (read_count_file): Set it if data file not present. Assume counts
7634 (output_lines): Don't name the data file, if there wasn't one.
7636 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7638 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7639 (rs6000_generate_compare): Tweak comments.
7640 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7642 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7644 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7645 (var_debug_decl): New function.
7646 (var_reg_set): Follow debug decl link. Add location even if
7647 reg is already known to hold some other variable.
7648 (var_mem_set): Follow debug decl link.
7649 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7650 decl link. Delete other known locations of the variable part
7652 (var_reg_delete, var_mem_delete): Delete other known locations
7653 of the variable part if requested.
7654 (same_variable_part_p): New function.
7655 (add_stores): Select MO_COPY when appropriate.
7656 (vt_initialize): Handle it.
7657 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7658 known locations for MO_SET and MO_CLOBBER.
7659 (find_variable_location_part): New function.
7660 (set_variable_part, delete_variable_part): Use it.
7661 (clobber_variable_part): New function.
7662 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7665 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7667 PR tree-optimization/26969
7668 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7669 with an empty list of PHIs.
7671 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7675 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7678 2006-08-06 Andreas Schwab <schwab@suse.de>
7680 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7681 string. Whitespace and comment fixup.
7683 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7686 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7690 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7693 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7695 2006-08-04 Jan Hubicka <jh@suse.cz>
7699 * reload.c (push_reload): Patch out the mismatching instruction;
7701 (find_reload): Bail out if the instruction was patched out.
7703 2006-08-04 Jan Hubicka <jh@suse.cz>
7705 PR tree-optimization/24888
7706 * tree-inline.c (expand_call_inline): Do not re-record variables.
7707 (declare_inline_vars): Add variable to unexpanded_var_list.
7709 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7710 Roger Sayle <roger@eyesopen.com>
7712 PR rtl-optimization/26244
7713 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7714 inner_const are negative or greater than or equal to the bitsize of
7715 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7716 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7717 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7718 CONST0_RTX (mode) when the new shift count is greater than or equal to
7719 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7722 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7724 * tree-cfg.c: Fix a comment typo.
7726 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7729 * varasm.c (output_constant): Give the front end another chance to
7730 expand constants, after stripping NOPs.
7732 2006-08-03 Jan Hubicka <jh@suse.cz>
7734 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7737 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7739 PR tree-optimization/27770
7740 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7741 declaration removed (moved to tree-flow.h).
7742 (vect_can_force_dr_alignment_p): Likewise.
7743 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7744 (moved from tree-vectorizer.h).
7745 (vect_can_force_dr_alignment_p): Likewise.
7746 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7747 from outside the vectorizer - in particular from cgraph stage.
7748 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7749 the alignment of global arrays when -fsection-anchors is enabled.
7750 * cgraphunit.c (cgraph_increase_alignment): New function.
7751 (cgraph_optimize): Call cgraph_increase_alignment.
7753 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7756 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7757 not reload a SPE symbol_ref into a lo_sum address.
7759 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7762 * dwarf2out.c (prune_unused_types_prune): Move call to
7763 prune_unused_types_update_strings to cover the parent DIE also.
7765 2006-08-02 Jan Hubicka <jh@suse.cz>
7767 PR gcov/profile/28480
7768 * tree-cfg.c (change_bb_for_stmt): New function.
7769 (tree_merge_blocks, tree_split_blocks): Use it.
7771 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7777 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7778 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7779 (cgraph_optimize): Likewise.
7781 2006-08-01 Stuart Hastings <stuart@apple.com>
7783 * rtl.h (UINTVAL) New.
7784 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7785 * testsuite/gcc.dg/20060801-1.c: New.
7787 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7790 * c-typeck.c (build_external_type): Mark used enum types.
7791 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7793 (gen_subprogram_die): Whitespace fix.
7795 2006-08-01 Jan Hubicka <jh@suse.cz>
7797 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7798 bitmap when not needed.
7799 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7802 2006-08-01 Dirk Mueller <dmueller@suse.de>
7804 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7806 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7808 * Makefile.in: Revert part of previous patch:
7809 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7812 2006-07-30 Eric Christopher <echristo@apple.com>
7815 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7816 (PowerPC Variable Attributes): New section.
7818 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7820 PR target/28126 (partial fix)
7821 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7823 2006-07-28 Jan Hubicka <jh@suse.cz>
7825 PR rtl-optimization/28071
7826 * cfgrtl.c (rtl_delete_block): Free regsets.
7827 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7829 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7831 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7832 and variables used in dependencies.
7834 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7836 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7837 %fs for -mcmodel=kernel.
7838 (stack_tls_protect_test_di): Likewise.
7840 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7842 * Makefile.in: Use mkinstalldirs.
7844 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7847 * opts-common.c (prune_options): Skip joined switches.
7849 2006-07-27 Jan Hubicka <jh@suse.cz>
7851 PR rtl-optimization/28071
7852 * cselib.c (cselib_process_insn): Don't remove useless values too
7853 often for very large hashtables.
7855 2006-07-27 Jan Hubicka <jh@suse.cz>
7857 PR rtl-optimization/28071
7858 * global.c (greg_obstack): New obstack.
7859 (allocate_bb_info): Use it.
7860 (free_bb_info): Likewise.
7861 (modify_reg_pav): Likewise.
7863 2006-07-27 Roger Sayle <roger@eyesopen.com>
7865 * builtins.c (fold_fixed_mathfn): When long and long long are the
7866 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7867 functions to their lceil*, lfloor*, lround* and lrint* forms.
7869 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7872 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7874 (rev_branch_insn): Likewise.
7876 2006-07-27 Jan Hubicka <jh@suse.cz>
7878 PR rtl-optimization/28071
7879 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7880 (reg_set_in_bb, max_reg_computed): New static variables.
7881 (regmove_optimize): Free the new array.
7882 (fixup_match_1): Update call of reg_is_remote_constant_p.
7884 2006-07-26 Jan Hubicka <jh@suse.cz>
7886 PR tree-optimization/27882
7887 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7889 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7891 (cgraph_analyze_compilation_unit): Likewise.
7892 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7893 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7894 (cgraph_early_inlinine): Make order garbage collected.
7895 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7897 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7899 * dbxout.c (output_types_sort): Add a comment.
7900 (output_used_types): Free the VEC.
7902 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7904 * function.c (reorder_fix_fragments): Delete.
7905 (reorder_blocks): Don't call it.
7906 (reorder_blocks_1): Put all subblocks under the origin block.
7908 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7910 PR rtl-optimization/27907
7911 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7914 2006-07-25 Roger Sayle <roger@eyesopen.com>
7917 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7918 bar(x) check that bar's result type can represent all the values of T.
7920 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7922 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7924 2006-07-25 Nick Clifton <nickc@redhat.com>
7926 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7927 size_lookup[] array.
7928 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7929 (ggc_pch_count_object): Likewise.
7930 (ggc_pch_alloc_object): Likewise.
7931 (ggc_pch_write_object): Likewise.
7932 (init_ggc): Do not attempt to initialize entries in the
7933 size_lookup[] array for objects whose size is greater than than
7934 the length of the array.
7936 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7938 * dbxout.c (output_used_types_helper): Push queued types
7940 (output_types_sort): New.
7941 (output_used_types): Collect used types on a VEC and sort them
7944 2006-07-24 Richard Guenther <rguenther@suse.de>
7947 * cgraph.c (cgraph_remove_node): Do not check if dumps
7949 * cgraphunit.c (cgraph_optimize): Likewise.
7951 2006-07-24 Jan Hubicka <jh@suse.cz>
7953 PR rtl-optimization/28071
7954 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7955 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7956 splitting before first stmt.
7958 2006-07-24 Jan Hubicka <jh@suse.cz>
7960 PR rtl-optimization/28071
7961 * ipa-inline.c (update_caller_keys): Remove edges that
7962 are no longer inline candidates.
7964 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
7967 * dbxout.c (output_used_types_helper, output_used_types): New.
7968 (dbxout_symbol): Call output_used_types.
7970 2006-07-23 Jan Hubicka <jh@suse.cz>
7974 * cgraph.c (cgraph_varpool_nodes): Export.
7975 (decide_is_variable_needed): Ignored "used" attribute in
7976 unit-at-a-time mode.
7977 * cgraph.h (cgraph_varpool_nodes): Declare.
7978 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7979 unit-at-a-time mode.
7981 2006-07-23 Roger Sayle <roger@eyesopen.com>
7984 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7985 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7986 the __gthrw form of thr_keycreate.
7987 (__gthread_key_delete): Silence the unused argument warning.
7989 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7992 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7993 Cache the last found '\0' marker to avoid quadratic behavior.
7995 2006-07-23 Jan Hubicka <jh@suse.cz>
7997 * i386.md (subsi_3_zext): Fix output template.
7999 2006-07-21 Mike Stump <mrs@apple.com>
8001 * doc/invoke.texi (C++ Dialect Options): Note that
8002 -fvisibility-inlines-hidden doesn't affect explicitly
8003 instantiationed inline methods.
8005 2006-07-20 Roger Sayle <roger@eyesopen.com>
8007 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8008 if the target assembler is GNU binutils' gas.
8009 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8010 whether to pass GNU gas or native as command line options.
8012 2006-07-20 Jason Merrill <jason@redhat.com>
8014 * tree.c (remove_attribute): New fn.
8015 * tree.h: Declare it.
8017 2006-07-20 Paul Brook <paul@codesourcery.com>
8020 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8021 they are invalidated by this instruction.
8023 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8026 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8028 2006-07-20 Eric Christopher <echristo@apple.com>
8031 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8033 2006-07-19 Eric Christopher <echristo@apple.com>
8035 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8036 Rewrite dependencies for libgcc_s.1.dylib.
8038 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8040 * except.c (duplicate_eh_regions_1): Clear next_peer.
8042 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8044 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8045 -mlongcall does not guarantee all calls will be long.
8046 * doc/extend.texi (long_call/short_call): Document that longcall
8047 does not guarantee a long call will be used.
8048 (longcall/shortcall): Likewise.
8050 2006-07-18 Roger Sayle <roger@eyesopen.com>
8053 * expmed.c (expand_shift): Additionally check that the shift_cost
8054 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8055 before implementing a LSHIFT_EXPR as a sequence of additions.
8056 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8057 middle-end that DImode shifts need to be synthesized by expand.
8059 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8062 * tree-ssa-operands.c (access_can_touch_variable): Update
8064 Return true if ALIAS is .GLOBAL_VAR.
8066 2006-07-18 David Daney <ddaney@avtrex.com>
8068 * gcc.c (display_help): Fix typo in help text.
8070 2006-07-18 Olivier Hainque <hainque@adacore.com>
8072 * tree.h (categorize_ctor_elements): Adjust prototype and add
8073 descriptive comment, both in accordance with the interface change
8075 * varasm.c (constructor_static_from_elts_p): New function.
8076 Whether a constructor node is a valid static constant initializer
8077 if all its elements are.
8078 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8079 * output.h: Declare it.
8080 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8081 is a valid constant initializer instead of computing the number of
8082 non-constant elements. Use constructor_static_from_elts_p for this
8083 purpose. Replace the head comment with an indication that this is a
8084 helper for categorize_ctor_elements.
8085 (categorize_ctor_elements): Same interface change as for the _1
8086 helper. Former head comment from this helper moved here, adjusted to
8087 account for the interface changes.
8088 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8089 (all_zeros_p): Likewise.
8090 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8091 static versions of the constructor from the categorize_ctor_elements
8092 return value instead of the formerly computed number of non-constant
8095 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8097 * configure: Regenerate.
8098 * Makefile.in (build_libsubdir): New configure substitution
8099 (build_libobjdir): New variable.
8100 (BUILD_LIBIBERTY): Use it.
8102 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8105 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8107 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8110 * c-common.c (handle_weakref_attribute): Ignore attribute in
8111 the same conditions the alias attribute is ignored.
8113 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8115 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8116 (dbxout_begin_prologue): Increment scope_labelno.
8118 2006-07-17 Richard Henderson <rth@redhat.com>
8121 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8124 2006-07-17 Roger Sayle <roger@eyesopen.com>
8125 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8127 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8128 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8129 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8130 functions such as sbrk, write, etc.. Add function prototypes.
8131 Convert function declarations from K&R to ISO C. Cast pointers
8132 to "long" and "unsigned long" instead of "int" and "unsigned int".
8133 Convert tokens following #endif into comments.
8135 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8137 * invoke.texi: Remove mention of f77; Reformat table for
8138 inline parameter options correctly; mention that -malign-double
8139 is default on x86-64 targets.
8141 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8143 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8144 (convert_affine_scev, chrec_convert_aggressive): Use
8145 avoid_arithmetics_in_type_p. Do not check for the subtypes
8148 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8151 * optabs.c (expand_doubleword_shift): Wrap the call to
8152 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8154 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8157 * optabs.c (expand_binop): Pass next_methods rather than methods
8158 to expand_doubleword_shift.
8160 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8163 * tree.h (dump_addr): Declare.
8164 * print-tree.c (dump_addr): New function.
8165 (print_node_brief, print_node): Use it.
8166 * print-rtl.c (print_rtx): Likewise.
8167 * common.opt (-fdump-noaddr): New option.
8168 * doc/invoke.texi (-fdump-noaddr): Document.
8169 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8170 (ve_info_hash): Likewise.
8172 2006-07-13 Andrew Haley <aph@redhat.com>
8174 PR tree-optimization/19505
8175 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8176 edge leaving this block, make sure that the destination of this
8177 block has only one predecessor.
8179 2006-07-17 Richard Guenther <rguenther@suse.de>
8181 PR tree-optimization/28238
8182 * tree-inline.c (copy_bb): Check if we produced valid
8183 gimple copying and substituting a stmt. If not, gimplify
8186 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8188 * optabs.c (maybe_encapsulate_block): New function extracted from...
8189 (emit_libcall_block): ...here. Invoke it on the block of insns to
8190 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8191 (emit_no_conflict_block): Likewise.
8193 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8195 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8197 2006-07-15 Roger Sayle <roger@eyesopen.com>
8199 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8200 a new NOP_EXPR case of the switch statement.
8202 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8205 * stor-layout.c (place_field): Take the bit field with
8206 an excessive size into account in the ms-bitfiled case.
8209 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8210 the previous bit field.
8212 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8215 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8217 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8219 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8220 signal frames correctly even when the signal was installed with
8223 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8225 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8226 (dbxout_function_end): Use local label LFBB. Remove hook
8228 (dbxout_source_line): Use local label LFBB.
8229 (dbxout_block): Likewise.
8230 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8231 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8232 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8233 and DBX_OUTPUT_NFUN.
8235 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8237 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8239 2006-07-13 Jan Hubicka <jh@suse.cz>
8241 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8243 * output.h (align_variable): Declare.
8244 * varasm.c (align_variable): Export.
8245 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8246 when basic block changed.
8248 2006-07-13 Nick Clifton <nickc@redhat.com>
8250 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8251 walking the LOG_LINKS chain.
8253 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8255 * doc/invoke.texi (C++ Dialect Options): Explain difference
8256 between -fvisibility-inlines-hidden and setting hidden
8257 visibility explicitly.
8259 2006-07-12 Eric Christopher <echristo@apple.com>
8261 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8262 (stmp-lipo): Depend on libgcc.a.
8264 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8266 * tree.c: Fix a comment typo.
8268 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8270 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8272 (umulhisi3_r): Likewise.
8274 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8277 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8278 x < 19, vs wchar_t support.
8280 2006-07-12 Nick Clifton <nickc@redhat.com>
8282 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8283 instead of -isa=sh4.
8285 2006-07-12 Mike Stump <mrs@apple.com>
8287 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8289 2006-07-10 Eric Christopher <echristo@apple.com>
8291 * config/t-slibgcc-darwin: Rewrite.
8293 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8296 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8299 2006-07-08 Matthias Klose <doko@debian.org>
8301 * doc/sourcebuild.texi: Fix typo.
8303 2006-07-07 Mike Stump <mrs@apple.com>
8305 * toplev.c (process_options): Don't give -ffunction-sections may
8306 affect debugging warning for Mach-O.
8308 2006-07-07 James E Wilson <wilson@specifix.com>
8310 * config/mips/mips.md (cpu): Add sb1a.
8311 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8312 addition to sb1. Adjust comments to clarify SB-1A differences from
8314 (ir_sb1a_load): New. Modify bypasses to use it.
8315 (ir_sb1a_simple_alu): Likewise.
8316 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8317 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8318 (mips_issue_rate): Add PROCESSOR_SB1A.
8319 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8320 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8321 (TARGET_SB1): Add PROCESSOR_SB1A check.
8322 (TUNE_SB1): Likewise.
8324 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8325 * config/mips/mips.c (mips_store_data_bypass_p): New.
8326 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8327 store_data_bypass_p.
8329 2006-07-08 Paul Brook <paul@codesourcery.com>
8332 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8334 2006-07-07 Richard Guenther <rguenther@suse.de>
8337 * tree.h (build_one_cst): Declare.
8338 * tree.c (build_one_cst): New function.
8339 * tree-ssa-math-opts.c (get_constant_one): Remove.
8340 (insert_reciprocals): Use build_one_cst.
8341 * fold-const.c (fold_plusminus_mult): Likewise.
8343 2006-07-07 Roger Sayle <roger@eyesopen.com>
8345 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8346 * cfgloopanal.c (dump_graph): Likewise.
8347 * dojump.c (discard_pending_stack_adjust): Likewise.
8348 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8350 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8351 * function.c (finalize_block_changes): Likewise.
8352 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8353 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8354 * rtl.c (dump_rtx_statistics): Likewise.
8355 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8357 * varray.c (dump_varray_statistics): Likewise.
8358 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8359 decode_decimal64, encode_decimal128, decode_decimal128,
8360 decimal_real_to_decimal): Likewise.
8362 2006-07-07 Richard Guenther <rguenther@suse.de>
8364 PR tree-optimization/28187
8365 * tree-vrp.c (vrp_operand_equal_p): New function.
8366 (vrp_bitmap_equal_p): Likewise.
8367 (update_value_range): Use them to compare old and new
8370 2006-07-06 Roger Sayle <roger@eyesopen.com>
8372 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8373 a default case to switch statement to silence compiler warnings.
8375 2006-07-06 Roger Sayle <roger@eyesopen.com>
8378 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8379 the configured assembler supports the x87's ffreep mnemonic.
8380 * configure: Regenerate.
8381 * config.in: Regenerate.
8383 * config/i386/i386.c (output_387_ffreep): New function.
8384 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8385 (output_387_reg_move): Likewise.
8387 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8389 Port to hosts whose 'sort' and 'tail' implementations
8390 treat operands with leading '+' as file names, as POSIX
8391 has required since 2001. However, make sure the code still
8392 works on pre-POSIX hosts.
8393 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8394 which says you should use "tail -c +N" rather than "tail +Nc".
8395 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8397 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8399 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8402 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8405 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8406 PRE_{INC,DEC} of TFmode.
8408 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8409 Alan Modra <amodra@bigpond.net.au>
8412 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8415 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8418 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8419 Remove duplicate gtu.
8421 2006-07-05 Jason Merrill <jason@redhat.com>
8425 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8426 * c-common.c (handle_packed_attribute): So don't copy it here.
8427 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8429 2006-07-05 Mike Stump <mrs@apple.com>
8431 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8433 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8436 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8438 2006-07-05 Richard Guenther <rguenther@suse.de>
8441 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8442 TARGET_SSE2 targets if using SSE math.
8443 (*absdf2_1): Likewise.
8445 2006-07-05 Richard Guenther <rguenther@suse.de>
8447 PR tree-optimization/28162
8448 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8449 make sure to convert the operands to the correct type.
8451 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8453 PR tree-optimization/28218
8455 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8456 to calculate and free the dominator information.
8458 2006-07-04 Peter O'Gorman <peter@pogma.com>
8460 * mklibgcc.in: chmod 644 before ranlib during install.
8462 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8463 J"orn Rennecke <joern.rennecke@st.com>
8465 * configure.ac (.eh_frame data check): Use diff -b.
8467 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8470 * Makefile.in (BUILD_RTL): Add build/vec.o.
8471 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8472 (build/genextract): Delete.
8473 (build/genautomata): Likewise.
8475 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8478 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8479 128-bit IBM long doubles for ABI_V4.
8481 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8483 * tree.c (range_in_array_bounds_p): New predicate.
8484 * tree.h (range_in_array_bounds_p): Declare it.
8485 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8486 return a less conservative answer.
8487 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8488 and flag 'is_group'.
8489 (IS_ELEMENT_FOR_GROUP): New macro.
8490 (FOR_EACH_ACTUAL_CHILD): Likewise.
8491 (next_child_for_group): New helper function.
8492 (can_completely_scalarize_p): Take into account groups.
8493 (sra_hash_tree): Handle RANGE_EXPR.
8494 (sra_elt_eq): Likewise.
8495 (lookup_element): Be prepared for handling groups.
8496 (is_valid_const_index): Delete.
8497 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8498 instead of is_valid_const_index.
8499 <ARRAY_RANGE_REF>: New case.
8500 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8501 is_valid_const_index.
8502 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8503 (scan_dump): Dump info for groups too.
8504 (decide_instantiation_1): Likewise.
8505 (decide_block_copy): Assert that the element is not a group.
8506 Propagate decision to groups.
8507 (generate_one_element_ref): Handle RANGE_EXPR.
8508 (mark_no_warning): Iterate over actual childs.
8509 (generate_copy_inout): Likewise.
8510 (generate_element_copy): Likewise.
8511 (generate_element_zero): Likewise.
8512 (generate_element_init_1): Likewise.
8513 (dump_sra_elt_name): Handle RANGE_EXPR.
8515 2006-07-03 Roger Sayle <roger@eyesopen.com>
8517 PR tree-optimization/26251
8518 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8519 (thread_block): When optimizing for size refuse to thread jumps
8520 that would require duplication of blocks other than redirection
8523 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8525 * configure.ac: Fix thinko in previous check-in.
8526 * configure: Regenerate.
8528 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8531 * configure.ac (for lang...): Simplify nesting of conditionals.
8532 Test subdir_requires for non-enabled languages. Move processing
8533 of lang_opt_files and lang_tree_fiels below that test.
8534 * configure: Regenerate.
8535 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8537 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8539 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8541 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8543 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8546 2006-06-29 Jason Merrill <jason@redhat.com>
8553 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8554 * c-common.c (c_determine_visibility): Handle it here.
8555 * c-decl.c (finish_decl): Call c_determine_visibility for
8557 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8559 * varasm.c (default_assemble_visibility): Likewise.
8560 * c-common.c (handle_visibility_attribute): Complain about trying
8561 to give visibility to an already defined class, or trying to change
8562 declared visibility. Always attach the attribute.
8567 * attribs.c (decl_attributes): Ignore type-in-place attributes
8568 once the type has been defined.
8570 2006-06-29 Roger Sayle <roger@eyesopen.com>
8573 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8574 to indicate the cpplib has issued an error message for us.
8576 2006-06-29 Asher Langton <langton2@llnl.gov>
8579 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8580 insert a label at the end of an function under Mach-O.
8582 2006-06-29 Eric Christopher <echristo@apple.com>
8583 Evan Cheng <evan.cheng@apple.com>
8585 * predicates.md (vector_all_ones_operand): New.
8586 (nonimmediate_or_sse_const_operand): Ditto.
8587 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8588 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8589 (standard_sse_mode_p): Ditto.
8590 (standard_sse_constant_p): Add case for -1 vector.
8591 (ix86_expand_vector_move): Try to use.
8592 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8593 Call standard_sse_constant_opcode.
8594 (*movv4sf_internal): Ditto.
8595 (*movv2df_internal): Ditto.
8597 2006-06-29 Roger Sayle <roger@eyesopen.com>
8599 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8600 of XEXP to extract the operands of a MATCH_CODE rtx.
8602 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8604 * tree.c (tree_size): Do not waste tail padding in
8605 struct tree_string and make the size be the same as
8606 build_string will generate.
8608 2006-06-28 Jason Merrill <jason@redhat.com>
8611 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8612 may_aliases already in the tag's annotations to the bitmap.
8614 2006-06-28 Roger Sayle <roger@eyesopen.com>
8616 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8618 2006-06-28 Roger Sayle <roger@eyesopen.com>
8620 * genpreds.c (generate_switch_p): New function.
8621 (add_mode_tests): Push the new mode test down inside an AND expr
8622 if this allows the switch-suitable MATCH_CODE to be near the root.
8623 (write_match_code_switch): New function to write a MATCH_CODE as
8625 (write_predicate_stmts): New function to write a predicate RTX
8626 expression as a sequence of statements.
8627 (write_one_predicate_function): Use write_predicate_stmts.
8628 (write_tm_constrs_h): Likewise.
8630 2006-06-26 Fred Fish <fnf@specifix.com>
8632 * config/mips/t-sb1: New file.
8633 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8636 2006-06-26 DJ Delorie <dj@redhat.com>
8638 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8640 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8641 Jayant Sonar <jayants@kpitcummins.com>
8642 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8644 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8645 (subsi3, subsi3_1, subsi3_2): New.
8646 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8647 * config/m32c/mov.md (SI mov peephole): New.
8648 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8649 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8651 2006-06-26 Olivier Hainque <hainque@adacore.com>
8653 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8654 a CALL_EXPR target function declaration.
8656 2006-06-26 Richard Guenther <rguenther@suse.de>
8658 * tree.c (build_string): Do not waste tail padding in
8661 2006-06-26 Richard Guenther <rguenther@suse.de>
8663 * ggc-page.c (init_ggc): Add missing element to size_lookup
8667 2006-06-23 Richard Guenther <rguenther@suse.de>
8669 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8670 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8671 alignment requests instead. Add verification code.
8672 Add struct tree_function_decl and struct tree_binfo size to
8673 extra_order_size_table. Add missing element to size_lookup
8676 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8679 * fold-const.c (const_binop): Be prepared for self returning zero.
8680 Simplify code handling complex values.
8682 2006-06-24 Olivier Hainque <hainque@adacore.com>
8684 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8685 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8688 2006-06-24 Olivier Hainque <hainque@adacore.com>
8690 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8691 ARRAY_REF, so have the callback called for the low bound expression.
8693 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8695 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8696 * c-typeck.c (c_common_type): Disallow operations on decimal float
8697 types and other float types.
8698 * convert.c (convert_to_real): Don't ignore conversions involving
8699 decimal float types.
8701 2006-06-23 Olivier Hainque <hainque@adacore.com>
8703 * tree.c (max_int_size_in_bytes): New function, inspired from
8704 code in function.c:assign_temp.
8705 * tree.h (max_int_size_in_bytes): Declare.
8706 * function.c (assign_temp): Use it.
8707 * gimplify.c (create_tmp_var): Relax the assertions on the type
8708 properties, not mandating constant size any more.
8709 (force_constant_size): New static function.
8710 (gimple_add_tmp_var): Use it, forcing variable size to a
8711 constant upper bound if it is not constant on entry.
8713 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8716 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8717 for initialization and setting of one_only flag to ...
8718 (i386_pe_encode_section_info): ...here.
8719 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8720 Recheck that the symbol has not been defined.
8722 2006-06-23 Richard Guenther <rguenther@suse.de>
8724 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8725 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8726 alignment requests instead. Add verification code.
8727 Add struct tree_function_decl and struct tree_binfo size to
8728 extra_order_size_table. Add missing element to size_lookup
8731 2006-06-22 Roger Sayle <roger@eyesopen.com>
8732 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8735 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8736 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8738 2006-06-23 Ben Elliston <bje@au.ibm.com>
8740 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8741 negate dn -- manipulate it directly.
8743 2006-06-22 Roger Sayle <roger@eyesopen.com>
8744 Steven Bosscher <stevenb.gcc@gmail.com>
8747 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8748 generated by gen_move_insn to add REG_LABEL notes if necessary.
8750 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8752 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8753 (leaf_entry): Remove use of MIN_ESA.
8755 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8757 PR rtl-optimization/28121
8758 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8761 2006-06-21 DJ Delorie <dj@redhat.com>
8763 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8765 (mulhisi3_r): Likewise.
8767 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8770 * coverage.c (coverage_counter_alloc): Leave the index type
8772 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8775 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8777 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8778 section from the "Options for Code Generation Conventions".
8780 2006-06-21 Richard Henderson <rth@redhat.com>
8784 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8786 (global_symbolic_operand): Allow weak symbols, even if local_p.
8788 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8790 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8791 (find_interesting_uses_address): Punt if above function returns true.
8793 2006-06-21 Richard Guenther <rguenther@suse.de>
8795 * configure: Regenerated.
8797 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8799 * config/mips/mips.c (function_arg): Where one part of a
8800 complex argument is in registers and the other part in the stack,
8801 return a REG not a PARALLEL.
8803 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8805 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8806 when cross-compiling. Do not substitute libstdcxx_incdir.
8807 * configure: Regenerated.
8809 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8811 * varasm.c (mergeable_string_section): Check for embedded NULs and
8812 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8813 rather than TREE_STRING_LENGTH bytes.
8815 2006-06-21 Richard Guenther <rguenther@suse.de>
8817 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8818 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8821 2006-06-21 Richrad Guenther <rguenther@suse.de>
8823 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8824 Limit iteration over the dominators.
8826 2006-06-20 Roger Sayle <roger@eyesopen.com>
8828 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8829 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8831 2006-06-20 Richard Guenther <rguenther@suse.de>
8832 Michael Matz <matz@suse.de>
8834 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8836 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8837 * et-forest.h (et_free_pools): Prototype new function.
8838 * et-forest.c (et_free_tree_force): Free parent occurrence.
8839 (et_free_pools): New function.
8840 * dominance.c (free_dominance_info): Free et-forest alloc
8843 2006-06-20 Roger Sayle <roger@eyesopen.com>
8845 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8846 integer modes, attempt to directly construct an integer constant.
8848 * fold-const.c (native_encode_vector): Determine the size of each
8849 element from the vector type instead of the first vector element.
8851 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8852 if all of its elements/components are constant.
8853 (build_constructor_from_list): Likewise.
8855 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8857 PR tree-optimization/27331
8858 * tree-data-ref.c (free_data_ref): New function.
8859 (create_data_ref): Fail if the data reference has unknown access
8861 (free_data_refs): Use free_data_ref.
8863 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8866 * tree-inline.c (setup_one_parameter): Strip useless
8867 type conversion before adding it to the IR.
8868 (declare_return_variable): Likewise.
8870 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8873 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8875 2006-06-19 Mike Stump <mrs@apple.com>
8877 * tree.c (variably_modified_type_p): VM arguments don't make the
8880 2006-06-19 Richard Guenther <rguenther@suse.de>
8882 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8883 type conversions after folding.
8885 2006-06-19 Richard Guenther <rguenther@suse.de>
8887 * ggc-page.c (extra_order_size_tab): Add entries with
8888 size of struct function and basic_block.
8889 (size_lookup): Extend to cover sizes up to 511.
8890 (ggc_alloc_stat): Adjust user.
8891 (ggc_pch_count_object): Likewise.
8892 (ggc_pch_alloc_object): Likewise.
8893 (ggc_pch_write_object): Likewise.
8895 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8897 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8898 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8901 2006-06-19 Denis Chertykov <denisc@overta.ru>
8903 * config/avr/libgcc.S : Correct my wrong previous commit.
8905 2006-06-19 Roger Sayle <roger@eyesopen.com>
8908 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8909 have stripped a SUBREG from the shift count, so we may need to
8910 convert_to_mode back to the type's mode before calling make_tree.
8911 Use new_amount instead of amount to avoid expanding a tree twice.
8913 2006-06-19 Richard Guenther <rguenther@suse.de>
8916 * fold-const.c (operand_equal_p): Check if the argument types
8917 have the same precision before stripping NOPs.
8919 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8921 Fix PR tree-optimization/27341
8922 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8924 * tree-complex.c (pass_lower_complex): Update SMT usage.
8926 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8928 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8929 Add a new alternative to the constraint strings. Add move of
8930 operand 1 to 3 to the splitter definition.
8931 ("doloop_si_long"): Second contraint alternative removed.
8933 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8935 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8936 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8938 (AVR_HAVE_MOVW) Define.
8939 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8940 (ASM_SPEC): Add avr25.
8941 (LINK_SPEC): Add avr25.
8942 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8943 (base_arch_s): Add new member 'have_movw_lpmx'.
8944 (avr_arch_types): Init 'have_movw_lpmx'.
8945 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8946 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8947 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8948 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8949 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8951 (avr_file_start): Do not output '.arh' derective.
8952 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8953 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8954 * config/avr/avr.md (mcu_enhanced): Delete.
8955 (mcu_have_movw): Define.
8956 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8957 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8958 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8959 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8960 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8961 attiny861 and at86rf401 devices.
8963 2006-06-18 Jie Zhang <jie.zhang@analog.com>
8965 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
8968 2006-06-17 Karl Berry <karl@gnu.org>
8970 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
8971 doc/gccint.texi, doc/install.texi (@dircategory): Use
8972 "Software development" instead of "Programming", following
8973 the Free Software Directory.
8975 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8977 * config/i386/i386.c (legitimate_tls_address)
8978 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8979 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8980 (*tls_dynamic_gnu2_combine_64): Likewise.
8982 2006-06-16 Richard Guenther <rguenther@suse.de>
8985 * fold-const.c (negate_expr_p): Do not introduce undefined
8986 overflow in negating INTEGER_CSTs.
8987 (fold_negate_expr): Rename from negate_expr. Revert last
8988 change for folding BIT_NOT_EXPR. Change semantics to
8989 return NULL_TREE for non-simplified negations. Do not
8990 strip type conversions and unify type handling.
8991 (negate_expr): New function, wrap around fold_negate_expr
8992 but ensure building a tree always. Strip type conversions
8993 here, fold to result type.
8994 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8996 2006-06-16 Roger Sayle <roger@eyesopen.com>
8999 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9000 that (would) return their results in stack registers.
9002 2006-06-16 Michael Matz <matz@suse.de>
9003 Richard Guenther <rguenther@suse.de>
9005 * fold-const.c (fold_truthop): Only return new tree node if
9006 we canonicalized something.
9008 2006-06-16 Richard Guenther <rguenther@suse.de>
9010 * function.h (enum function_frequency): Move declaration
9011 out of struct function.
9012 (struct function): Move bool fields and the enum to the bitfield
9013 section. Reorder elements to avoid padding. Remove unused
9014 fields left over from the RTL inliner removal.
9015 * function.c (free_after_compilation): Do not zero removed fields.
9016 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9017 (ipa-type-escape.o): Likewise.
9019 2006-06-16 Richard Guenther <rguenther@suse.de>
9021 * cgraph.h (struct cgraph_local_info): Turn bool elements
9023 (struct cgraph_node): Likewise.
9024 (struct cgraph_varpool_node): Likewise.
9026 2006-06-15 Richard Guenther <rguenther@suse.de>
9028 * fold-const.c (fold_truth_not_expr): Rename from
9029 invert_truthvalue. Give it fold_* semantics to avoid
9031 (invert_truthvalue): New function. Wrapper around
9032 fold_truth_not_expr.
9033 (optimize_minmax_comparison): Avoid creating garbage.
9034 (fold_unary): Use fold_truth_not_expr for folding
9036 (fold_ternary): Replace uses of invert_truthvalue with
9037 fold_truth_not_expr where applicable.
9038 * tree.h (fold_truth_not_expr): Prototype.
9040 2006-06-16 Richard Guenther <rguenther@suse.de>
9042 PR tree-optimization/27781
9043 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9044 * ipa-pure-const.c (target.h): Include.
9045 (analyze_function): Do not analyze functions that do not
9048 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9051 * tree-dfa.c (referenced_vars_dup_list): Remove.
9052 (find_referenced_vars): Remove assert.
9053 (referenced_var_check_and_insert): Replace dup list with assert.
9054 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9055 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9057 2006-06-15 Richard Guenther <rguenther@suse.de>
9059 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9060 extra unused identifiers if not dumping.
9061 (create_variable_info_for): Likewise.
9063 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9065 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9066 (derive_constant_upper_bound): Derive more precise upper bound in
9067 common cases. Return type changed to double_int.
9068 (record_estimate): Reflect the changed return type of
9069 derive_constant_upper_bound.
9070 * double-int.c (double_int_zext, double_int_sext): Fix.
9072 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9074 * configure.ac (CFLAGS): Get them from the toplevel or from the
9075 configure invocation.
9076 * configure: Regenerate.
9077 * Makefile.in (CFLAGS): Substitute value provided by configure.
9079 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9082 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9083 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9084 rather than calling add_stmt on it.
9085 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9087 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9090 * reload1.c (reload): Remove registers returned by update_eliminables
9091 from used_spill_regs.
9093 2006-06-13 DJ Delorie <dj@redhat.com>
9095 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9097 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9099 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9100 html__strip_dir, html__mkdir_p. Enhance install-html target.
9101 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9102 * configure: Regenerate.
9104 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9106 * fold-const.c (fold_cond_expr_with_comparison): Check for
9107 Objective-C++ as language in deciding COND_EXPR transformation.
9109 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9112 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9113 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9114 * config/sh/lib1funcs.h (SL, SL1): Define.
9115 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9116 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9117 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9118 (OBJS_Os_4_200): New variable.
9119 ($(T)libgcc-Os-4-200.a): Use it.
9120 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9121 when dividing 1 and/or by 0.
9123 2006-06-13 Roger Sayle <roger@eyesopen.com>
9125 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9126 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9127 * configure: Regenerate.
9129 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9131 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9132 for real instruction.
9134 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9137 * haifa-sched.c (check_cfg): Handle special case.
9139 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9142 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9143 Add debug_info parameter. Chain the vars to the BLOCK instead
9144 of the BIND_EXPR if debug info are requested for them.
9145 (pop_gimplify_context): Adjust for above change.
9146 (gimple_add_tmp_var): Likewise.
9147 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9149 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9150 (convert_local_reference): Likewise.
9151 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9152 (finalize_nesting_tree_1): Request that debug info be emitted
9153 for debug_var_chain.
9155 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9157 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9158 for PR target/27863.
9160 2006-06-13 Richard Guenther <rguenther@suse.de>
9163 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9165 2006-06-13 Richard Guenther <rguenther@suse.de>
9167 PR tree-optimization/27830
9168 * tree-inline.c (copy_body_r): For copying the operand
9169 of an ADDR_EXPR make sure to fold &* afterwards.
9171 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9173 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9174 lvalues in the fb_none case with side-effects.
9176 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9178 * tree-flow.h: Remove the prototype for
9179 compute_phi_arg_on_exit.
9180 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9181 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9184 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9186 * builtins.c (expand_builtin_return_addr): Only use
9187 frame_pointer_rtx when count == 0 and we are expanding
9188 __builtin_return_address.
9190 2006-06-12 Fred Fish <fnf@specifix.com>
9192 * config/mips/mips.c (mips_file_start): Create special section
9193 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9195 2006-06-11 Eric Christopher <echristo@apple.com>
9198 * stor-layout.c (place_field): Remove check for
9199 remaining_in_alignment when aligning at the end of a run.
9201 2006-06-11 Eric Christopher <echristo@apple.com>
9204 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9207 2006-06-11 Roger Sayle <roger@eyesopen.com>
9210 Revert incorrect fix for PR target/27158
9211 2006-05-08 Roger Sayle <roger@eyesopen.com>
9212 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9213 of a reg_equiv_constant if the result is a legitimate constant.
9215 2006-06-11 Roger Sayle <roger@eyesopen.com>
9218 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9219 extract a CONST_VECTOR element and interpret it as an integer.
9220 (vspltis_constant): Use const_vector_elt_as_int instead of the
9221 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9222 * config/rs6000/predicates.md (easy_vector_const): Consider
9223 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9225 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9228 * stor-layout.c (update_alignment_for_field): Don't add extra
9229 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9232 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9234 * config/mips/t-rtems: Add EL/EB multilib variants.
9236 2006-06-09 Mike Stump <mrs@apple.com>
9238 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9240 2006-06-09 David Daney <ddaney@avtrex.com>
9242 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9244 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9246 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9248 2006-06-09 Richard Guenther <rguenther@suse.de>
9250 PR tree-optimization/26998
9251 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9252 of signed types, only TYPE_MIN_VALUE is special, but for both,
9253 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9254 in this case, as is -fwrapv.
9256 2006-06-08 Mike Stump <mrs@apple.com>
9259 * config/darwin.c (darwin_asm_output_anchor): Disable
9260 -fsection-anchors on darwin for now.
9261 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9262 * rs6000/rs6000.c (optimization_options): Likewise.
9264 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9267 * config/i386/i386.c (classify_argument): Skip fields with invalid
9270 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9272 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9273 (cse_insn): Likewise for the stack_pointer_rtx.
9275 2006-06-08 Roger Sayle <roger@eyesopen.com>
9277 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9278 conditions from floating point comparisons.
9280 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9283 * expmed.c (struct alg_hash_entry): Fix type of field T
9284 to match synth_mult argument.
9285 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9287 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9290 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9293 2006-06-08 Richard Guenther <rguenther@suse.de>
9296 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9297 only, if overflow is defined and not trapping.
9298 (negate_expr): Likewise.
9300 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9302 PR tree-optimization/27872
9303 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9304 flag on the new exit edge of the unrolled loop.
9306 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9308 PR rtl-optimization/26449
9309 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9311 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9314 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9315 referenced_variables with matching DECL_UID's.
9316 (find_referenced_vars): Make sure duplicate list is empty to start.
9317 (referenced_var_p): Remove.
9318 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9319 Check if var is in the list, and add if needed. Update the duplicate
9320 list if a different var is in the list with the same DECL_UID.
9321 (add_referenced_var): Call routine to check and insert.
9322 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9323 * tree-flow.h (referenced_vars_dup_list): External declaration.
9325 2006-06-07 Fred Fish <fnf@specifix.com>
9327 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9330 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9333 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9334 the imaginary and real parts of a clobbered register.
9335 Emit insn to set the imaginary part.
9337 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9339 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9340 in lieu of unwind-dw2-fde.c.
9342 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9344 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9346 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9349 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9350 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9351 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9352 V4SImode temporaries and operations instead.
9354 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9356 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9359 2006-06-06 Mike Stump <mrs@apple.com>
9361 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9362 installing during build.
9364 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9366 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9368 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9369 * config/ia64/ia64.c (params.h): New header.
9370 (ia64_optimization_options): New function to adjust parameters.
9371 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9372 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9373 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9375 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9377 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9379 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9382 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9384 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9385 Victor Kaplansky <victork@il.ibm.com>
9387 PR tree-optimization/26360
9388 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9391 2006-06-04 Roger Sayle <roger@eyesopen.com>
9392 Andrew Pinski <pinskia@physics.uc.edu>
9395 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9396 for LABEL_DECL before calling DECL_WEAK.
9399 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9400 LABEL_DECL and PARM_DECL.
9402 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9406 * c-decl.c (grokdeclarator): Disallow variably modified types at
9407 file scope. Avoid marking shared array type of constant size as
9410 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9413 * c-common.c (fold_offsetof_1): Handle static members.
9415 2006-06-04 Eric Christopher <echristo@apple.com>
9417 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9418 (debug_rli): Output value for remaining_in_alignment.
9419 (update_alignment_for_field): Unconditionalize
9420 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9421 extra alignment code.
9422 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9423 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9424 * tree.h (record_layout_info_s): Remove prev_packed.
9425 * doc/extend.texi (ms_struct): Add documentation of format.
9427 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9429 * tree.h: Declare folding_initializer.
9430 * builtins.c (fold_builtin_constant_p): Give definite answer
9431 if folding inside an initializer.
9432 * fold-const.c: Define folding_initializer.
9433 (START_FOLD_INIT): Save and then set folding_initializer.
9434 (END_FOLD_INIT): Restore folding_initializer.
9436 2006-06-04 Richard Guenther <rguenther@suse.de>
9438 PR tree-optimization/27039
9439 * fold-const.c (fold_comparison): Handle pointer comparison
9440 again for all comparison codes. Compare offsets in signed
9442 (fold_binary): Move code from here.
9444 2006-06-03 Roger Sayle <roger@eyesopen.com>
9447 * config/i386/i386.c (construct_container): Split static issued_error
9448 flag into issued_sse_arg_error, issued_sse_ret_error and
9449 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9450 requires the use of x87 registers and the user explicitly
9451 specified the -mno-80387 command line option.
9453 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9455 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9456 HAVE_DECL_SIGALTSTACK.
9458 (segv_handler): Use MC_FLD.
9459 * configure.ac: Check for a sigaltstack declaration.
9460 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9461 * configure: Regenerate.
9462 * config.in: Regenerate.
9464 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9467 * Makefile.in (stmp-fixinc): Fix typo.
9469 2006-06-02 Roger Sayle <roger@eyesopen.com>
9471 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9472 are type correct. Clean-up.
9473 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9474 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9476 2006-06-01 DJ Delorie <dj@redhat.com>
9478 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9479 shift, as we've disabled the "switch" insn that needs it.
9481 2006-06-01 Per Bothner <bothner@bothner.com>
9483 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9484 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9485 * c-ppoutput.c (cb_define): Don't increment line 0.
9487 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9489 * doc/invoke.texi: Add cpu_type power6.
9490 * config.gcc: Add cpu_type power6.
9491 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9492 to power5+ with Altivec.
9493 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9494 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9496 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9498 * config/avr/avr.h (SET_ASM_OP): Define.
9500 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9502 * config/bfin/bfin.c: Fix comment typos.
9504 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9507 * doc/install.texi: Document --enable-bootstrap and
9508 --disable-bootstrap.
9510 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9512 * doc/install.texi: Document that InfoZIP can replace jar.
9514 2006-05-31 Roger Sayle <roger@eyesopen.com>
9516 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9517 isn't available, directly generate the simpler x87 patterns without
9518 the (use (const_int 0)).
9519 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9520 implementation isn't available.
9521 (*negdf2_1): Likewise.
9522 (*negxf2_1): XF mode negation is always done using the x87.
9523 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9525 2006-05-31 Roger Sayle <roger@eyesopen.com>
9527 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9528 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9530 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9532 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9534 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9535 * config/bfin/bfin.c (basic-block.h): Include.
9536 (struct machine_function): New.
9537 (bfin_init_machine_status): New.
9538 (override_options): Initialize init_machine_status.
9539 (bfin_hardware_loop): New.
9540 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9541 (DEF_VEC_P (loop_info)): New.
9542 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9543 (struct loop_info): New.
9544 (loop_info): New typedef.
9545 (struct loop_work): New.
9546 (loop_work): New typedef.
9547 (DEF_VEC_O (loop_work)): New.
9548 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9549 (bfin_dump_loops): New.
9550 (bfin_bb_in_loop): New.
9551 (bfin_scan_loop): New.
9552 (bfin_optimize_loop): New.
9553 (bfin_reorg_loops): New.
9554 (bfin_reorg): Use bfin_reorg_loops.
9555 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9557 (I_REGNO_P): Simplify.
9558 (DP_REGNO_P, DPREG_P): New macros.
9559 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9560 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9561 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9562 Add LT_REGS, LC_REGS, LB_REGS.
9563 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9565 (REGNO_REG_CLASS): Deal with loop registers.
9566 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9568 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9569 New constants for loop registers.
9570 (UNSPEC_LSETUP_END): New.
9571 (seq_insns): New define_attr. Set it for appropriate insns.
9572 (movsi_insn): Add alternatives for move from/to
9573 loop count registers.
9574 (doloop_end): New define_expand.
9575 (loop_end): New define_insn.
9576 (define_split for bad doloop_end): New.
9577 (lsetup_with_autoinit): New define_insn.
9578 (lsetup_without_autoinit): New define_insn.
9579 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9580 * config/bfin/predicates.md (lc_register_operand): New.
9581 (lt_register_operand): New.
9582 (lb_register_operand): New.
9583 (nondp_register_operand): New.
9584 (nondp_reg_or_memory_operand): New.
9585 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9587 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9589 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9590 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9592 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9594 * Makefile.in (CATALOGS): Add po/ prefix.
9595 * configure: Regenerated.
9597 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9600 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9601 a shift operand before calling shift_op. Avoid redundant call of
9604 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9605 DJ Delorie <dj@redhat.com>
9607 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9608 we're inserting is a singlt-bit constant.
9610 2006-05-30 Roger Sayle <roger@eyesopen.com>
9612 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9613 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9615 2006-05-30 Roger Sayle <roger@eyesopen.com>
9617 PR tree-optimization/23452
9618 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9619 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9620 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9621 complex values and with -ffast-math for FP complex values.
9623 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9625 * c-common.h: Remove the prototype for yyparse.
9626 * rtl.h: Remove the prototype for init_loop.
9628 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9630 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9633 2006-05-30 Roger Sayle <roger@eyesopen.com>
9635 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9637 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9638 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9640 2006-05-30 Dirk Mueller <dmueller@suse.de>
9643 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9644 for CONSTANT_CLASS_P expresisons.
9646 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9649 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9651 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9653 PR tree-optimization/27779
9654 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9655 initial_condition instead of CHREC_LEFT.
9657 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9659 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9660 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9661 Make prototypes ISO C90.
9663 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9664 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9666 * see.c (see_analyze_one_def): Correct check.
9667 (see_get_extension_data): Check if extension is parallel.
9668 (see_get_extension_reg): Likewise.
9670 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9673 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9674 into register for (code == GTU).
9676 2006-05-29 Roger Sayle <roger@eyesopen.com>
9678 PR tree-optimization/24964
9679 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9680 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9681 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9682 abs(x)*abs(x) as x*x for scalar floating point modes.
9684 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9687 * lambda-code.c (perfect_nestify): Don't copy statements
9688 in the inner loop: move them to the inner loop header.
9690 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9693 * c-tree.texi: Document OpenMP directives and clauses.
9695 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9697 * varasm.c (globalize_decl): Fix indentation.
9699 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9702 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9703 pass_fre, pass_store_ccp, pass_copy_prop,
9704 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9705 pass_return_slot, pass_object_size, pass_lim,
9706 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9707 pass_loop_prefetch and pass_stdarg.
9709 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9711 * config/bfin/bfin.opt (mfdpic): New option.
9712 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9713 (EXTRA_MULTILIB_PARTS): Likewise.
9714 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9715 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9717 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9718 (CRT_CALL_STATIC_FUNCTION): New.
9719 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9721 (CRT_CALL_STATIC_FUNCTION): New.
9722 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9724 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9725 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9726 (initialize_trampoline): Changed to handle FD-PIC code generation.
9727 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9728 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9729 (override_options): Disallow -mid-shared-library -mfdpic combination.
9730 Can't do unaligned ops if FD-PIC.
9731 Turn off flag_pic if trying to generate non-id-shared-library
9732 non-fdpic code, since it's not supported.
9733 (bfin_assemble_integer): New function.
9734 (TARGET_ASM_INTEGER): Define.
9735 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9737 * config/bfin/crtn.s: Restore them.
9738 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9740 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9741 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9742 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9743 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9744 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9746 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9747 FDPIC_REGS and FDPIC_FPTR_REGS.
9748 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9749 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9750 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9751 (load_funcdescsi): New pattern.
9752 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9753 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9754 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9756 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9758 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9761 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9763 * tree-flow.h: Remove the prototype for add_type_alias.
9764 * tree-ssa-alias.c (add_type_alias): Remove.
9766 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9768 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9769 config/fr30/fr30.md, config/i386/i386-interix.h,
9770 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9771 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9772 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9773 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9774 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9775 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9776 Follow spelling conventions.
9777 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9778 Follow spelling conventions.
9780 2006-05-27 Richard Guenther <rguenther@suse.de>
9783 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9784 to produce a constant of value 1 of generic type.
9786 2006-05-27 Dirk Mueller <dmueller@suse.de>
9788 * cgraphunit.c (decide_is_function_needed): Fix wrong
9791 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9793 PR rtl-optimization/27661
9794 * reload.c (find_reloads): When reloading a VOIDmode constant
9795 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9796 use Pmode as mode of the reload register.
9798 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9800 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9801 is enabled at -O and above.
9803 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9806 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9809 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9812 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9813 for anonymous variables explicitly declared by front ends.
9815 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9817 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9818 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9819 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9820 ref-all pointers, run a finalization pass for them.
9821 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9822 (finalize_ref_all_pointers): New function.
9823 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9824 regular pointer type to a ref-all pointer type.
9825 (get_tmt_for): Return the special memory tag for ref-all pointers.
9827 2006-05-25 Richard Guenther <rguenther@suse.de>
9830 * fold-const.c (fold_binary): Do not look at the stripped
9831 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9833 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9835 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9836 for LT and GT if the computed range is effectively empty.
9838 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9841 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9842 mips_quad_format formats instead of ieee_single_format,
9843 ieee_double_format and ieee_quad_format formats, respectively.
9845 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9847 PR tree-optimization/27639
9848 PR tree-optimization/26719
9849 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9850 call to scev_probably_wraps_p.
9851 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9852 used_in_pointer_arithmetic_p, convert_step): Removed.
9853 (nowrap_type_p): New function.
9854 (scev_probably_wraps_p): Rewritten.
9855 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9856 chrec_convert if chrec_convert_aggressive might have been used.
9857 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9858 scev_direction): New functions.
9859 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9860 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9861 instead of convert_step.
9862 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9863 (convert_step): Declaration removed.
9864 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9866 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9868 * df-core.c: Added to header comments.
9869 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9870 df_ur_bb_info, df_urec_bb_info): Added comments.
9871 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9872 urec, ri problems): Fixed header comments.
9873 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9874 code from df_rd_transfer_function.
9876 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9878 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9879 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9880 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9882 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9884 * expr.c (undefined_operand_subword_p): New.
9885 (emit_move_multi_word): Do not generate move from undefined bits
9886 of a paradoxical subreg.
9888 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9890 PR rtl-optimization/27736
9891 * combine.c (replaced_rhs_value): New variable.
9892 (combine_instructions): Set it.
9893 (distribute_notes): When distributing a note in replaced_rhs_insn,
9894 check whether the value was used in replaced_rhs_value.
9896 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9899 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9900 add_referenced_var instead of add_referenced_tmp_var.
9901 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9902 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9904 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9905 tree_optimize_tail_calls_1): Use add_referenced_var.
9906 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9907 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9908 Use add_referenced_var.
9909 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9910 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9911 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9912 Use add_referenced_var.
9913 * tree-dfa.c (struct walk_state): Remove.
9914 (find_referenced_vars): Remove walk state and vars_found hash table.
9915 (make_rename_temp): Use add_referenced_var.
9916 (find_vars_r): Pass less parameters to add_referenced_var.
9917 (referenced_var_p): New. Is var in referenced_var hash table.
9918 (referenced_var_insert): Assert var isn't already in hash table.
9919 (add_referenced_var): Don't need walk_state parameter. Add var if it
9920 isn't already in the hash table.
9921 (add_referenced_tmp_var): Remove.
9922 (find_new_referenced_vars_1): Use add_referenced_var.
9923 * tree-ssa-pre.c (create_expression_by_pieces,
9924 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9925 Use add_referenced_var.
9926 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9927 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9928 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9930 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9931 vect_create_data_ref_ptr, vect_create_destination_var,
9932 vect_init_vector, vect_build_loop_niters,
9933 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9934 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9935 Use add_referenced_var.
9936 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9937 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9938 (add_referenced_var): Add prototype.
9939 * tree-ssa-structalias.c (get_constraint_for,
9940 intra_create_variable_infos): Use add_referenced_var.
9942 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9944 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9945 big-endian paradoxical subregs.
9946 * var-tracking.c (struct micro_operation_def): Document that,
9947 for modify micro operations, insn is the subsequent instruction.
9948 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9949 (var_reg_set, var_mem_set): ... new functions.
9950 (add_stores): Record subsequent insn.
9951 (compute_bb_dataflow): Use new functions for MO_USE.
9952 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9953 notes after the insn, and modify notes before the insn known
9954 to be the subsequent one.
9955 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9957 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9960 * config/i386/i386.c (ix86_expand_builtin): Use
9961 gen_sse3_monitor64 for TARGET_64BIT.
9963 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
9965 PR rtl-optimization/26375
9966 PR rtl-optimization/26855
9967 * df-problems (df_ru_bb_local_compute_process_def): Removed update
9969 (df_ru_bb_local_compute): Reversed statements and removed bogus
9970 comment explaining why they should be in wrong order.
9971 (df_ru_dump, df_rd_dump): Enhanced debug info.
9972 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9974 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9975 reaching uses and fixed space problem.
9977 2006-05-23 Jan Hubicka <jh@suse.cz>
9979 * cgraphunit.c (decide_is_function_needed): Also nested functions
9980 and functions declared inline can be optimized out at -O0.
9982 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9984 * doc/install.texi (Configuration): Remove reference to CrossGCC
9988 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9991 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9992 ix86_compare_emitted is non-NULL.
9994 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9997 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10000 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10002 PR rtl-optimization/25514
10003 * combine.c (replaced_rhs_insn): New variable.
10004 (combine_instructions): Set replaced_rhs_insn when trying to replace
10005 a SET_SRC with a REG_EQUAL note.
10006 (distribute_notes): Use replaced_rhs_insn when determining the live
10007 range of a REG_DEAD register.
10009 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10010 Anatoly Sokolov <aesok@post.ru>
10012 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10013 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10014 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10015 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10016 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10017 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10018 at90usb647, at90usb1286 and at90usb1287 devices.
10019 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10020 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10022 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10024 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10026 2006-05-22 Richard Guenther <rguenther@suse.de>
10029 2006-01-31 Richard Guenther <rguenther@suse.de>
10030 Paolo Bonzini <bonzini@gnu.org>
10032 * doc/install.texi (--disable-libgcc-math): Document.
10034 2006-05-22 Richard Guenther <rguenther@suse.de>
10037 2006-01-31 Richard Guenther <rguenther@suse.de>
10039 * doc/invoke.texi (-msselibm): Document.
10040 * target.h (expand_library_builtin): New target hook.
10041 * builtins.c (expand_builtin): Use expand_library_builtin.
10042 (default_expand_library_builtin): New function.
10043 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10044 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10045 (link_gcc_math_spec): Declare.
10046 (static_specs): Add link_gcc_math_spec.
10047 * expr.h (default_expand_library_builtin): Declare.
10048 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10049 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10050 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10051 * config/i386/i386.opt (msselibm): New target option.
10052 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10053 (ix86_init_sse_abi_builtins): New function.
10054 (ix86_expand_library_builtin): Likewise.
10055 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10056 (override_options): Handle error conditions wrt -msselibm.
10057 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10058 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10059 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10062 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10065 * c-common.c (self_promoting_args_p): Skip erroneous args.
10068 * c-decl.c (finish_struct): Skip erroneous fields.
10070 2006-05-22 Nick Clifton <nickc@redhat.com>
10072 * config/cris/cris.opt (march): Remove VarExists attribute.
10073 (max-stackframe=): Likewise.
10075 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10077 * doc/rtl.texi: Fix a typo.
10078 * see.c: Fix comment typos.
10080 * tree-ssa-structalias.h (alias_info): Remove num_references.
10082 2006-05-21 Mike Stump <mrs@apple.com>
10084 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10086 (darwin_pragma_options): Use BAD instead.
10087 (darwin_pragma_unused): Likewise.
10088 (darwin_pragma_ms_struct): Likewise.
10090 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10092 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10094 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10096 PR rtl-optimization/27671
10097 * simplify-rtx.c (simplify_relational_operation_1): Fix
10098 simplifications of (eq/ne (xor x y) y) and
10099 (eq/ne (xor x y) x).
10101 PR tree-optimization/26622.
10102 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10105 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10107 * tree-cfg.c: Prune whitespace.
10108 (debug_tree_cfg): Point to correct header containing the
10111 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10113 PR middle-end/25776
10114 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10116 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10118 PR middle-end/25776
10119 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10120 or sorry count is non zero.
10122 2006-05-20 Andreas Schwab <schwab@suse.de>
10124 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10126 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10127 Kenneth Zadeck <zadeck@naturalbridge.com>
10129 PR rtl-optimization/26855
10131 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10133 (df_scan_alloc): Added code to properly handle multiword hard
10134 registers and add all_blocks parameter.
10135 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10136 code to properly handle multiword hard registers.
10137 (df_rescan_blocks): Added code to remove deleted blocks from
10139 (df_ref_create_structure, df_ref_record): Added code to properly
10141 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10142 and set DF_REF_PARTIAL.
10143 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10144 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10145 (df_scan_add_problem): Added flags parameter.
10146 (df_ref_create_structure): Changed switching structure.
10147 (df_bb_refs_record): Fixed case where duplicate artificial refs
10148 were created. Changed location of flags.
10149 (df_record_entry_block_defs): Added code to make stack pointer
10150 live in entry block. Refined cases where frame pointer is needed.
10151 Changed location of flags.
10152 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10153 (df_set_state): Removed function.
10154 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10155 df_insn_create_insn_record, df_insn_refs_delete,
10156 df_ref_create_structure): Formatting changes.
10157 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10158 df_delete_basic_block): New function.
10159 (df_init): Changed location of flags.
10160 (df_add_problem): Added flags parameter and the way flags are
10162 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10163 debug_df_chain): Improved debugging output.
10164 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10165 (df_refs_chain_dump): Removed df parameter.
10166 (df_iterative_dataflow): Added consistency check.
10167 (df_prune_to_subcfg): Made public.
10168 (df_analyze_problem): Added blocks_to_init parameter and made
10170 (df_ref_record, df_bb_refs_record, df_mark_reg,
10171 df_record_exit_block_uses): Whitespace changes.
10172 (df_dump): Whitespace changes.
10173 * df.h: Some reordering to remove forward references.
10174 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10175 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10176 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10177 (dataflow.flags): New field.
10178 (df.flag): Deleted field.
10179 (df_alloc_function): Added additional bitmap parameter.
10180 (df_dependent_problem_function): New type.
10181 (df_problem.changeable_flags): New field.
10182 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10183 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10184 (df_mw_hardreg): New struct.
10185 (DF_INSN_UID_MWS): New macro.
10186 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10188 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10189 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10190 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10191 (df_set_state): Removed function.
10192 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10193 * df-problems.c (df_chain_dump): Removed df parameter.
10194 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10195 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10197 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10198 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10199 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10200 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10201 DF_REF_MUST_CLOBBER cases.
10202 (df_ru_bb_local_compute_process_def,
10203 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10204 df_lr_bb_local_compute, df_ur_bb_local_compute,
10205 df_chain_create_bb): Made subreg aware.
10206 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10207 df_lr_bb_local_compute, df_lr_bb_local_compute,
10208 df_chain_create_bb): Cleanup to use proper macros.
10209 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10210 code to fixup bitvectors.
10211 (df_ri_alloc): Cleared lifetime.
10212 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10213 df_create_unused_note): New function.
10214 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10215 REG_DEAD and REG_UNUSED notes as well as register information.
10216 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10217 df_chains_dump): Fixed crash if problem was never run.
10218 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10219 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10220 df_ri_add_problem): Processes flags in uniform manner.
10221 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10222 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10223 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10224 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10225 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10226 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10227 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10228 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10229 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10230 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10231 * see.c (see_initialize_data): Ditto.
10232 * final.c (rest_of_clean_state) Added regstack_completed.
10233 * rtl.h (regstack_completed): Ditto.
10234 * reg-stack.c (regstack_completed): Ditto.
10236 2006-05-19 Mike Stump <mrs@apple.com>
10238 * c-tree.h (default_conversion): Remove.
10239 * c-common.h (default_conversion): Add.
10241 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10243 * tree-vrp.c (valid_value_p): New function.
10244 (adjust_range_with_scev): Fail if the value of bound is not
10247 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10249 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10250 (mips_fallback_frame_state): Use syscall numbers to determine
10251 the appropriate li instruction for the current ABI. Only use
10252 __NR_sigreturn for o32.
10254 2006-05-19 Nicolas Setton <setton@adacore.com>
10256 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10257 * langhooks.c (lhd_dwarf_name): New function.
10258 * langhooks-def.h (lhd_dwarf_name): Declare.
10259 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10260 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10262 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10264 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10266 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10267 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10268 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10269 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10270 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10271 determine the size of Wtype, etc.
10272 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10273 (swfloatfuncs): New variable.
10274 (dwfloatfuncs): Likewise.
10275 (lib2funcs): Remove floating-point conversion functions from
10276 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10277 the set of conversion routines needed. Allow entries to specify
10278 an object name, filename and word size. Update users accordingly.
10279 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10280 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10284 2006-02-08 Roger Sayle <roger@eyesopen.com>
10287 * config/fixtfdi.c: New libgcc source file.
10288 * config/fixunstfdi.c: New source file.
10289 * config/floatditf.c: New source file.
10290 * config/floatunditf.c: New souce file.
10291 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10292 files above instead of config/mips/_tilib.c.
10293 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10295 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10297 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10298 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10300 2006-05-18 Mike Stump <mrs@apple.com>
10302 Fix up vla, vm and [*] sematics.
10308 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10309 (c_vla_unspec_p): Add.
10310 (c_vla_type_p): Add.
10311 * c-decl.c (struct c_scope): Add had_vla_unspec.
10312 (build_array_declarator): Add support for [*].
10313 (grokdeclarator): Likewise.
10314 (grokparms): Likewise.
10315 (get_parm_info): Likewise.
10316 * c-objc-common.c (c_vla_unspec_p): Likewise.
10317 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10318 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10319 typeof when argument is a variably modified type not inside sizeof or alignof.
10320 (c_parser_direct_declarator_inner): Propagate errors.
10321 (c_parser_sizeof_expression): Add support for [*].
10322 (c_parser_parms_declarator): Initialize had_vla_unspec.
10323 (c_parser_parms_list_declarator): Likewise.
10324 * c-typeck.c (c_vla_type_p): Add.
10325 (composite_type): Add support for vla compositing.
10326 (comptypes_internal): Add support for vla compatibility.
10327 (c_expr_sizeof_expr): Evaluate vla arguments.
10328 * tree.c (variably_modified_type_p): Update comment for [*].
10330 2006-05-18 Michael Matz <matz@suse.de>
10333 * config.host: Make assignments to host_xmake_file cumulative.
10334 * config.host (*-darwin*): Test $host, not $target.
10336 2006-05-12 Stuart Hastings <stuart@apple.com>
10338 * config/i386/i386.opt (-mstackrealign): New flag.
10339 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10340 (ix86_handle_cconv_attribute): Emit error when
10341 force_align_arg_pointer attribute collides with too many regparms.
10342 (ix86_function_regparm): Limit regparms when used with
10343 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10344 Support stack-realigning prologue in non-main functions. Emit
10345 warning for nested functions under -mstackrealign, emit error for
10346 nested functions with force_align_arg_pointer attribute.
10347 * doc/extend.texi (force_align_arg_pointer): Document it.
10348 * doc/invoke.texi (-mstackrealign): Document it.
10350 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10352 PR rtl-optimization/27477
10353 * combine.c (try_combine): Don't split a parallel consisting
10354 of two sets into two individual sets if both sets reference
10357 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10359 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10360 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10362 * doc/options.texi (VarExists): Updated.
10364 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10366 * unwind-dw2.c: Add declarations for uw_update_context and
10367 uw_frame_state_for.
10368 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10369 detected, advance frame state and context once to skip over stub.
10371 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10373 PR middle-end/20256
10374 PR middle-end/26435
10375 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10376 Call rewrite_into_loop_closed_ssa only when something changed.
10377 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10378 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10379 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10380 Test for perfect_nest_p here. Fix formating.
10381 (replace_uses_equiv_to_x_with_y): Fix formating.
10382 (stmt_uses_op): Removed.
10383 (can_convert_to_perfect_nest): Removed loopivs parameter.
10384 Complete the test by checking the scalar dependences.
10385 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10388 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10391 From Dan Kegel <dank@kegel.com>:
10392 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10394 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10396 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10397 if the element type is variably modified without recursing.
10399 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10401 PR middle-end/27332
10402 * tree-loop-linear.c (try_interchange_loops): Test for
10403 no data dependences.
10405 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10407 PR tree-optimization/27548
10408 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10409 range of ssa names that appear on abnormal edges.
10410 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10411 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10413 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10415 PR middle-end/27620
10416 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10418 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10420 PR middle-end/27415
10421 * tree.h (OMP_PARALLEL_COMBINED): Define.
10422 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10423 (new_omp_context): Add is_combined_parallel argument.
10424 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10425 new_omp_context caller.
10426 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10427 Adjust gimplify_scan_omp_clauses callers.
10428 (omp_is_private): Issue errors if iteration variable is firstprivate
10429 or reduction in the current context.
10430 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10431 on combined parallel workshare constructs.
10433 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10435 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10436 (gcc-options.o): New rule.
10438 * optc-gen.awk: Protect variables for gcc-options.o with
10439 #ifdef GCC_DRIVER/#endif.
10441 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10443 Fix PR tree-optimization/27373
10444 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10445 (forward_propagate_addr_expr): Update call.
10447 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10449 * doc/options.texi: Move the Negative option.
10451 2006-05-16 Richard Guenther <rguenther@suse.de>
10453 PR tree-optimization/22303
10454 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10456 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10457 ccp_fold did not simplify the statement.
10459 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10462 * Makefile.in (GCC_OBJS): New.
10463 (OBJS-common): Add opts-common.o.
10464 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10465 (cpp$(exeext)): Likewise.
10466 (gcc.o): Also depend on opts.h.
10467 (opts-common.o): New.
10469 * common.opt (gcoff): Add Negative(gdwarf-2).
10470 (gdwarf-2): Add Negative(gstabs).
10471 (gstabs): Add Negative(gstabs+).
10472 (gstabs+): Add Negative(gvms).
10473 (gvms): Add Negative(gxcoff).
10474 (gxcoff): Add Negative(gxcoff+).
10475 (gxcoff+): Add Negative(gcoff).
10476 * config/i386/i386.opt (m32): Add Negative(m64).
10477 (m64): Add Negative(m32).
10479 * doc/options.texi: Document the Negative option.
10481 * gcc.c: Include "opts.h".
10482 (main): Call prune_options after expandargv.
10484 * optc-gen.awk: Generate common declarations for all flag
10485 variables in options.c. Output the neg_index field.
10487 * opts.c (find_opt): Moved to ...
10488 * opts-common.c: Here. New file.
10490 * opts.h (cl_option): Add a neg_index field.
10492 (prune_options): Likewise.
10494 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10496 PR middle-end/27573
10497 * omp-low.c (expand_omp_parallel): Don't assert
10498 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10499 instead search for it.
10502 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10505 2006-05-16 Andreas Schwab <schwab@suse.de>
10507 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10510 2006-05-15 Roger Sayle <roger@eyesopen.com>
10513 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10514 integer constants other than zero are only legitimate on TARGET_64BIT.
10515 <CONST_VECTOR> Only zero vectors are legitimate.
10516 (ix86_cannot_force_const_mem): Integral and vector constants can
10517 always be put in the constant pool.
10519 2006-05-16 DJ Delorie <dj@redhat.com>
10521 * crtstuff.c (__dso_handle): Set section from
10522 TARGET_LBIGCC_SDATA_SECTION if defined.
10523 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10524 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10526 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10529 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10532 2006-05-16 Ben Elliston <bje@au.ibm.com>
10534 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10536 2006-05-15 Per Bothner <per@bothner.com>
10538 * tree.c: (last_annotated_node): Use source_locus typedef.
10539 This permits bootstrapping with --enable-mapped-location.
10541 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10543 PR tree-optimization/26830
10544 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10545 (info_for_ssa_name, current_info_for_ssa_name_age,
10546 blocks_to_update): New variables.
10547 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10548 (clear_ssa_name_info, initialize_flags_in_bb,
10549 mark_block_for_update): New functions.
10550 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10551 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10552 prepare_def_site_for): Use mark_block_for_update.
10553 (mark_def_interesting): Assert that the processed block is marked in
10554 blocks_to_update. Do not take blocks argument.
10555 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10557 (rewrite_update_init_block, rewrite_update_stmt): Only process
10558 blocks with statements to rewrite.
10559 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10560 (update_ssa): Initialize and free blocks_to_update. Do not
10561 clear flags on statements. Do not use blocks bitmap.
10562 * tree.h (SSA_NAME_AUX): Removed.
10563 (struct tree_ssa_name): Removed aux field.
10564 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10566 2006-05-15 Richard Guenther <rguenther@suse.de>
10568 PR tree-optimization/27603
10569 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10570 Do computations in original type.
10572 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10574 * see.c: Code style changes such as redundant paranthesis,
10575 redundant intialization of local variables etc.
10576 (see_main): Declared now as static.
10577 * doc/invoke.texi: Update that -fsee is not enabled by
10580 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10582 * omp-low.c (check_omp_nesting_restrictions): New function.
10583 (scan_omp_1): Call it.
10585 PR middle-end/27416
10586 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10587 construct, return *VAR.
10589 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10591 PR rtl-optimization/27406
10592 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10595 2006-05-14 Roger Sayle <roger@eyesopen.com>
10597 PR rtl-optimization/27538
10598 * combine.c (expand_compound_operation): Call gen_lowpart
10599 before calling simplify_shift_const.
10601 2006-05-14 Roger Sayle <roger@eyesopen.com>
10603 PR rtl-optimization/22563
10604 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10605 a fixed width bitfield, always force the intermediates into psuedos.
10607 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10610 * mkconfig.sh: Use operator = instead of == for test.
10612 2006-05-13 Nick Clifton <nickc@redhat.com>
10614 * dwarf2out.c (dbx_reg_number): Check return value from
10615 LEAF_REG_REMAP and only use it if it is valid.
10616 (multiple_reg_loc_descriptor): Likewise.
10618 2006-05-13 Richard Guenther <rguenther@suse.de>
10620 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10623 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10625 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10626 information attached to non-INSNs such as NOTEs.
10627 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10629 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10631 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10633 * config/s390/s390.md: Adjust comment describing On constraint.
10635 2006-05-11 Jan Hubicka <jh@suse.cz>
10637 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10638 to be output at -O0.
10640 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10642 PR middle-end/27384
10643 * fold-const.c (size_binop): Move sanity check for arguments to
10644 the beginning of the function.
10646 PR middle-end/27488
10647 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10650 2006-05-11 Richard Guenther <rguenther@suse.de>
10652 PR middle-end/27529
10653 * fold-const.c (fold_unary): Handle intermediate conversion
10654 to a pointer type like intermediate conversion to an integer
10655 type in folding of (T1)(T2)var to var.
10656 Match the code to the comment in the final conversion for
10657 (T1)(T2)var to (T1)var regarding to type precision. Rather
10658 than disallow T1 being of pointer type, assert that both T1
10659 and var are of pointer type or not. Make sure not to fall
10660 over the frontends lazyness wrt array to pointer decay though.
10662 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10664 * arm.c (arm_struct_value_rtx): Delete.
10665 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10666 (arm_init_cumulative_args): Always initialize nregs to zero.
10668 2006-05-10 Richard Guenther <rguenther@suse.de>
10670 PR tree-optimization/27532
10671 * tree-object-size.c (plus_expr_object_size): Fix typo.
10673 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10676 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10677 ashrdi_const, ashrdi3): Use a scratch register.
10679 2006-05-10 Richard Guenther <rguenther@suse.de>
10681 PR tree-optimization/27302
10682 * fold-const.c (operand_equal_p): For two comparisons,
10683 try comparison of one comparison code swapped if that yields
10686 2006-05-10 Ben Elliston <bje@au.ibm.com>
10688 * tree-pretty-print.c (pretty_print_string): No need to handle
10689 '\0' as a special character.
10691 * tree.h: Include "hashtab.h".
10692 (iterative_hash_expr): Use hashval_t in its prototype.
10693 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10695 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10698 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10699 (hppa*64*-*-hpux11*): Ditto.
10700 (hppa[12]*-*-hpux11*): Ditto.
10702 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10705 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10707 2006-05-09 Michael Matz <matz@suse.de>
10709 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10710 host_extra_gcc_objs and host_xmake_file.
10711 (<*-*-linux*>): Don't overwrite host_xmake_file.
10712 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10713 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10714 (host_detect_local_cpu): Declare.
10715 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10716 * config/i386/i386.c (override_options): Handle -mtune=native
10718 * config/i386/x-i386: New file.
10719 * config/i386/driver-i386.c: New file.
10720 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10723 2006-05-09 Dirk Mueller <dmueller@suse.de>
10724 Richard Guenther <rguenther@suse.de>
10726 PR middle-end/27498
10727 * fold-const.c (fold_read_from_constant_string): Relax check
10728 for matching types to matching modes.
10730 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10732 PR rtl-optimization/27335
10733 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10736 2006-05-08 Chao-ying Fu <fu@mips.com>
10737 Richard Sandiford <richard@codesourcery.com>
10739 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10740 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10741 * config/mips/mips.md (UNSPEC_SCC): New constant.
10742 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10743 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10744 (mips_emit_compare): Use it.
10745 (mips_expand_vcondv2sf): New function.
10747 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10749 Fix PR tree-optimization/27093
10750 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10751 renaming when they become not-used_alone.
10753 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10755 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10756 relocation and relocation stubs.
10758 2006-05-08 Eric Christopher <echristo@apple.com>
10760 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10763 2006-05-08 Jan Hubicka <jh@suse.cz>
10765 PR middle-end/24561
10766 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10767 unused static functions are needed.
10769 2006-05-08 Roger Sayle <roger@eyesopen.com>
10772 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10773 of a reg_equiv_constant if the result is a legitimate constant.
10775 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10778 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10779 standard 80387 constants, raise the cost to prevent
10780 compress_float_constant() to generate load from memory.
10782 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10784 * config/arm/constraints.md (c): Fix a typo.
10786 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10789 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10792 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10794 (_mm_mwait): Likewise.
10796 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10798 (sse3_monitor): Make it 32bit only.
10799 (sse3_monitor64): New. 64bit monitor.
10801 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10804 * config/i386/i386.c (classify_argument): Skip fields with invalid
10807 2006-05-07 Richard Guenther <rguenther@suse.de>
10809 PR tree-optimization/27409
10810 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10811 Do not try to find zero-sized subvars.
10813 2006-05-07 Richard Guenther <rguenther@suse.de>
10815 PR tree-optimization/27136
10816 * tree-ssa-loop-niter.c (get_val_for): Correct function
10817 comment, assert requirements.
10818 (loop_niter_by_eval): Stop processing if the iterated
10819 value did not simplify.
10821 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10823 * opts.c (flag_see): remove its setting at -O3.
10825 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10827 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10828 * arm/constraints.md: New file.
10829 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10830 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10831 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10832 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10833 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10834 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10835 * arm.md: Include constraints.md.
10836 (thumb_movsi_insn): Use satisfies_constraint_J.
10837 (movhi, movqi): Use satisfies_constraint_I.
10839 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10841 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10842 for atmeg a645 device.
10844 2006-05-06 Richard Guenther <rguenther@suse.de>
10846 PR tree-optimization/27151
10847 * tree-vect-transform.c (vectorizable_condition): Punt on
10848 values that have a different type than the condition.
10850 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10853 * c-parser.c (c_parser_cast_expression): Only insert casts into
10854 hash table if pointer.
10855 * function.c (used_types_insert_helper): Rename from
10857 (used_types_insert): Call used_types_insert_helper.
10858 * function.h (used_types_insert): Accept only one argument.
10860 2006-05-05 David Edelsohn <edesohn@gnu.org>
10862 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10863 scratch with output modifier.
10865 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10868 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10869 with output modifier.
10871 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10874 * config/mips/mips.c (mips_symbolic_address_p): Return true
10875 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10876 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10878 2006-05-04 Richard Guenther <rguenther@suse.de>
10880 PR tree-optimization/14287
10881 PR tree-optimization/14844
10882 PR tree-optimization/19792
10883 PR tree-optimization/21608
10884 PR tree-optimization/27090
10885 * tree-ssa-pre.c (try_combine_conversion): New function.
10886 (compute_avail): After constructing the value-handle
10887 expression, use try_combine_conversion to combine NOP_EXPRs
10888 with previous value-handle expressions and use the result if it
10891 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10893 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10895 2006-05-04 Jan Hubicka <jh@suse.cz>
10897 PR middle-end/25962
10898 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10900 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10902 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10903 that this only matches CONST_INTs. All users changed to VOIDmode
10906 * config/bfin/bfin.c: Include "optabs.h".
10907 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10909 (enum bfin_builtins): Add a number of fractional and vector builtins.
10910 (bfin_init_builtins): Likewise.
10911 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10912 (safe_vector_operand, bfin_expand_binop_builtin,
10913 bfin_expand_unop_builtin): New functions.
10914 (bfin_expand_builtin): Handle the new builtins.
10915 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10918 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10921 * Makefile.in (OBJS-common): Add see.o.
10922 (see.o): Add dependencies.
10923 * common.opt (fsee): New flag for the see optimization was added.
10924 * opts.c (flag_see): Initialized.
10925 * passes.c (init_optimization_passes, pass_see): New pass.
10926 * rtl.h (see_main): Declaration as extern.
10927 * timevar.def (TV_SEE): New.
10928 * tree-pass.h (pass_see): Declaration as extern.
10929 * invoke.texi (-fsee): Document.
10930 * recog.c (validate_simplify_insn): New function.
10931 * recog.h (validate_simplify_insn): Declaration as extern.
10932 * df-problems.c (df_chain_dump): Check for NULL.
10934 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10935 Daniel Berlin <dberlin@dberlin.org>
10937 * cfgrtl.c (insert_insn_bb_end_new): New function.
10938 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10940 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10942 * df.h (struct web_entry): Moved from web.c.
10943 (union_defs): Declaration as extern.
10944 (unionfind_root): Likewise.
10945 (unionfind_union): Likewise.
10946 * web.c (struct web_entry): Moved to df.h.
10947 (unionfind_root): Remove static declaration.
10948 (unionfind_union): Likewise.
10949 (union_defs): Likewise and generalize to use callback function.
10950 (web_main): Update arguments for union_defs function call.
10952 2006-05-04 Richard Guenther <rguenther@suse.de>
10954 PR tree-optimization/26447
10955 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10956 produce SSA_NAME copies before the store stmt to avoid
10957 breaking exception handling.
10959 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10961 PR middle-end/27388
10962 * gimplify.c (omp_is_private): If var is shared in some outer context,
10963 return false instead of true. Stop searching on parallel context
10966 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
10969 * coverage.c: Use get_gcov_unsigned_t() instead of
10970 unsigned_type_node all over.
10972 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10974 PR tree-optimization/27381
10975 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10976 maintain the same immediate_use links.
10977 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10978 node rather than segfaulting.
10980 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10983 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10984 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10985 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10987 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10989 Fix PR tree-optimization/26626
10990 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10992 * tree-ssa-operands.c (access_can_touch_variable): Allow
10993 typecasting through union pointers.
10995 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10998 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10999 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11000 to find if var will be a global variable even in the nested context.
11001 (omp_copy_decl): Only check for global variable at the end, it might
11002 be overridden in outer contexts.
11003 (scan_sharing_clauses): For global variables don't create a field.
11004 (lower_rec_input_clauses): Do nothing for global shared variables.
11005 Emit a barrier at the end of ILIST if there were any decls in both
11006 firstprivate and lastprivate clauses.
11007 (lower_send_clauses): Do nothing for global variables except for
11010 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11012 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11013 of the correct signedness is returned.
11015 2006-05-02 Jeff Law <law@redhat.com>
11017 PR tree-optimization/27364
11018 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11019 multiply expressions.
11021 2006-05-02 Tom Tromey <tromey@redhat.com>
11023 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11025 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11028 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11029 -mthumb -fPIC are used.
11031 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11032 Joshua Kinard <kumba@gentoo.org>
11035 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11036 with 64-bit pointers.
11038 2006-05-02 Paul Brook <paul@codesourcery.com>
11040 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11042 (create_fix_barrier): Check that a suitable barrier location is
11044 (arm_reorg): Include ftmp->address in allowable range of addresses.
11046 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11049 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11052 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11054 PR middle-end/27337
11055 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11056 around RESULT_DECL for result passed by reference.
11057 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11058 * omp-low.c (use_pointer_for_field): Don't look at
11059 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11060 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11061 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11062 time or var for passing by reference for
11063 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11064 TREE_ADDRESSABLE variables when passing by reference.
11066 * omp-low.c (dump_omp_region): Fix output formatting.
11068 PR middle-end/27328
11069 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11070 (expand_omp_parallel): Likewise.
11071 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11073 PR middle-end/27325
11074 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11075 on statement list containing also constructors and destructors.
11076 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11078 PR middle-end/27310
11079 * except.c (duplicate_eh_regions): Fix clearing of
11080 cfun->eh->region_array entries.
11082 2006-05-01 DJ Delorie <dj@redhat.com>
11084 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11086 (gcc_cv_objdump): Likewise.
11087 * configure: Regenerated.
11089 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11092 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11093 templates for case 3 and 4.
11095 2006-05-01 DJ Delorie <dj@redhat.com>
11097 * vec.c: Include bconfig.h when appropriate.
11098 * Makefile.in (build/vec.o): Adjust dependencies.
11099 * mkconfig.sh: Make sure config.h isn't used for build machine
11102 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11104 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11106 (mark_phi_for_rewrite): New function.
11107 (insert_phi_nodes_for, mark_use_interesting): Call
11108 mark_phi_for_rewrite.
11109 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11110 (update_ssa): Initialize and free phis_to_rewrite.
11112 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11114 PR rtl-optimization/27291
11115 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11116 folded to a constant.
11118 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11120 PR tree-optimization/27283
11121 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11122 not whole # of iteration descriptions.
11123 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11124 uses abnormal ssa name.
11125 (niter_for_single_dom_exit): Ditto.
11126 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11127 return just the number of iterations.
11129 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11131 PR tree-optimization/27144
11132 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11133 (record_estimate): Only record constant upper bound.
11134 (infer_loop_bounds_from_undefined): Call
11135 compute_estimated_nb_iterations just once.
11136 (proved_non_wrapping_p): Renamed to ...
11137 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11138 (convert_step_widening, scev_probably_wraps_p): Call
11139 n_of_executions_at_most instead of proved_non_wrapping_p.
11140 (substitute_in_loop_info): Do not replace values in bounds.
11141 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11144 2006-05-01 Richard Henderson <rth@redhat.com>
11147 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11148 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11151 2006-05-01 Roger Sayle <roger@eyesopen.com>
11153 * c-typeck.c (parser_build_binary_op): Don't call the function
11154 unsigned_conversion_warning to spot operand/result type overflow.
11155 (build_binary_op): Instead, call convert_and_check instead of
11156 convert to report the problem when the operands are promoted.
11157 * c-common.c (unsigned_conversion_warning): Make static.
11158 * c-common.h (unsigned_conversion_warning): Delete prototype.
11160 2006-05-01 Richard Guenther <rguenther@suse.de>
11162 PR tree-optimization/26726
11163 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11165 (find_interesting_uses_address): ... we work around here
11166 by folding INDIRECT_REFs in the substituted base.
11168 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11170 * omp-low.c (dump_omp_region): Add newlines.
11172 2006-04-30 Roger Sayle <roger@eyesopen.com>
11174 * common.opt (Woverflow): New command line option.
11175 * c-common.c (constant_expression_warning): Check warn_overflow.
11176 (overflow_waring): Pass OPT_Woverflow to warning.
11177 (unsigned_conversion_warning): Likewise.
11178 (convert_and_check): Likewise.
11179 * doc/invoke.texi: Document new command line option.
11181 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11183 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11184 TARGET_NO_FP_IN_TOC for section anchors.
11185 (optimization_options): Enable section anchors for all
11186 non-"Objective" languages.
11188 2006-04-28 Eric Christopher <echristo@apple.com>
11190 * config/darwin-c.c (darwin_ms_struct): Move this
11191 (darwin_set_default_type_attributes): and this...
11192 * config/darwin.c: ... here.
11193 * config/darwin.h (darwin_ms_struct): Declare.
11195 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11197 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11199 2006-04-28 Roger Sayle <roger@eyesopen.com>
11202 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11203 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11204 an unsigned HOST_WIDE_INT.
11205 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11207 (really_start_incremental_init): No need to call convert because
11208 bitsize_zero_node is already of type bitsizetype.
11209 (push_init_level): Extract the value of constructor_index as an
11210 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11211 (process_init_element): Likewise.
11213 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11215 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11216 value before passing to make_relative_prefix.
11218 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11220 PR middle-end/27260
11221 * builtins.c (expand_builtin_memset): Expand val in original mode.
11223 2006-04-27 Eric Christopher <echristo@apple.com>
11225 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11226 with #ifndef/#endif.
11227 * config/darwin-c.c (darwin_ms_struct): New.
11228 (darwin_pragma_ms_struct): Ditto.
11229 (darwin_set_default_type_attributes): Ditto.
11230 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11231 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11232 Register ms_struct pragma.
11233 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11234 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11235 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11236 darwin_set_default_type_attributes if TARGET_MACHO.
11238 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11240 PR tree-optimization/26854
11241 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11242 * doc/tree-ssa.texi: Update immuse iterator documentation.
11243 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11244 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11245 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11246 first_safe_imm_use, next_safe_imm_use): Remove.
11247 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11248 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11249 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11250 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11251 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11252 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11253 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11254 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11255 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11256 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11257 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11258 (perfect_nestify): Use new iterator.
11259 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11261 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11262 (next_imm_name): New field in struct immediate_use_iterator_d.
11263 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11264 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11265 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11266 * tree-cfg.c (replace_uses_by): Use new iterator.
11267 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11268 * tree-ssa-operands.c (correct_use_link): Remove.
11269 (finalize_ssa_use_ops): No longer call correct_use_link.
11271 2006-04-27 Stuart Hastings <stuart@apple.com>
11273 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11274 * config/t-darwin (crt3.o): Use it.
11275 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11276 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11277 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11278 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11279 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11282 2006-04-27 Roger Sayle <roger@eyesopen.com>
11284 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11285 size, force the intermediate into a new pseudo rather instead of
11286 performing both a bitwise AND and a bitwise IOR in memory.
11288 2006-04-27 Richard Guenther <rguenther@suse.de>
11290 PR rtl-optimization/26685
11291 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11292 this one "max-flow-memory-locations".
11294 2006-04-27 Richard Guenther <rguenther@suse.de>
11296 PR tree-optimization/25148
11297 * tree-vrp.c (compare_values): Remove code dealing with
11298 comparisons against type min/max value. Honour overflow
11299 and negative constants in code dealing with comparisons
11300 of plus and minus expressions.
11301 (value_inside_range): Use fold_binary with LE_EXPR and
11302 GE_EXPR rather than compare_values.
11304 2006-04-27 Dirk Mueller <dmueller@suse.de>
11306 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11309 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11311 * basic-block.h (safe_insert_insn_on_edge): Removed.
11312 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11314 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11315 Paolo Bonzini <bonzini@gnu.org>
11317 PR middle-end/27282
11318 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11319 (simplify_and_const_int): Same.
11321 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11323 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11325 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11328 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11329 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11330 cgraph_global_info_ready.
11332 PR middle-end/26913
11333 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11336 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11337 either decl or init is error_mark_node.
11339 PR middle-end/25989
11340 * tree-flow.h (struct omp_region): Add sched_kind.
11341 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11342 instead of extracting omp for data.
11343 (expand_omp_for): Save extracted sched_kind.
11345 2006-04-25 Roger Sayle <roger@eyesopen.com>
11347 * expmed.c (store_bit_field): Also check whether the bitsize is
11348 valid for the machine's "insv" instruction before moving the
11349 target into a pseudo for use with the insv.
11350 * config/i386/predicates.md (const8_operand): New predicate.
11351 * config/i386/i386.md (extv, extzv, insv): Use the new
11352 const8_operand predicate where appropriate.
11354 2006-04-25 DJ Delorie <dj@redhat.com>
11356 * doc/install.texi (Specific): Clarify that this is not a list of
11357 supported hosts or targets.
11359 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11361 PR rtl-optimization/26725
11362 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11363 block's BB_DIRTY flag.
11365 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11367 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11370 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11371 to print an integer.
11373 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11375 * varasm.c (align_variable): New function.
11376 (get_block_for_decl): Apply align_variable to DECL before
11377 calculating section information.
11378 (assemble_variable): Split out alignment computation.
11380 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11382 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11385 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11387 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11388 MODE_PARTIAL_INT mode.
11389 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11390 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11392 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11393 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11395 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11397 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11399 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11400 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11401 MACFLAG_IH): Likewise.
11402 (movstricthi_1): Renamed from "*movstricthi".
11403 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11404 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11405 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11406 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11407 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11408 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11409 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11410 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11411 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11412 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11413 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11414 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11415 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11416 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11417 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11419 * doc/rtl.texi (ss_ashift): Improve wording.
11421 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11423 * dwarf2out.c (verify_marks_clear): New.
11424 (prune_unused_types): Call verify_marks_clear initially, not
11427 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11429 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11430 * doc/rtl.texi: Document them.
11431 * simplify-rtx.c (simplify_unary_operation,
11432 simplify_binary_operation_1): Don't abort when we see them.
11434 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11437 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11438 * configure.ac: Completely disregard languages that are not
11440 * configure: Regenerated.
11442 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11443 Richard Guenther <rguenther@suse.de>
11445 PR tree-optimization/27236
11446 * tree-inline.c (copy_body_r): Make sure to copy
11447 TREE_THIS_VOLATILE flag.
11449 2006-04-24 Richard Guenther <rguenther@suse.de>
11451 PR middle-end/26869
11452 * tree-complex.c (update_parameter_components): Don't handle
11453 unused parameters which have no default def.
11455 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11456 Richard Guenther <rguenther@suse.de>
11458 PR tree-optimization/27218
11459 * tree-inline.c (expand_call_inline): Strip useless type
11460 conversions for the return slot address.
11462 2006-04-24 Richard Guenther <rguenther@suse.de>
11464 * cfgloop.h (struct loops): Remove unused field array. Reorder
11466 (LOOP_PREFETCH): Remove.
11468 2006-04-24 Richard Guenther <rguenther@suse.de>
11470 PR tree-optimization/22525
11471 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11472 variable, adjust types of generated expressions.
11474 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11476 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11477 (tree-vect-patterns.o): Likewise.
11478 (jump.o): Likewise.
11479 (cselib.o): Likewise.
11480 (loop-doloop.o): Likewise.
11481 (regclass.o): Likewise.
11482 (reload1.o): Likewise.
11483 (explow.o): Replace target.h with $(TARGET_H).
11484 (ipa-prop.o): Likewise.
11485 (ipa-cp.o): Likewise.
11486 (ipa-inline.o): Likewise.
11487 (reorg.o): Likewise.
11488 (reg-stack.o): Likewise.
11490 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11492 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11494 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11496 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11498 * configure.ac: Completely disregard languages that are not
11500 * configure: Regenerated.
11503 * c-common.h (c_build_bitfield_integer_type): Declare.
11504 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11505 * c-common.c (c_build_bitfield_integer_type): ... here.
11507 2006-04-23 Roger Sayle <roger@eyesopen.com>
11510 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11511 a SImode SUBREG of a floating point register after no_new_pseudos.
11513 2006-04-23 Roger Sayle <roger@eyesopen.com>
11515 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11516 identify potentially eliminable registers to additionally catch
11517 VIRTUAL_INCOMING_ARGS_REGNUM.
11518 (addsi3): Update the conditions on when to use addsi_small_int.
11520 2006-04-23 Roger Sayle <roger@eyesopen.com>
11523 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11524 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11525 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11527 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11529 * fold-const.c (range_predecessor): Use operand_equal_p
11530 as the predicate for equality.
11531 (range_successor): Likewise.
11533 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11536 * config/soft-fp/op-common.h: Fix a typo.
11538 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11540 PR libmudflap/26864
11541 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11542 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11544 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11546 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11548 * doc/tm.texi: Fix a typo.
11550 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11552 * dwarf2out.c (struct die_struct): Document that die_sib makes
11553 a circular linked list.
11554 (FOR_EACH_CHILD): New.
11555 (reverse_die_lists): Delete.
11556 (reverse_all_dies): Delete.
11557 (add_dwarf_attr): Correct documentation.
11558 (remove_child_with_prev): New.
11559 (remove_child_TAG): Update for change to die_struct, use
11560 remove_child_with_prev.
11561 (add_child_die): Update for change to die_struct.
11562 (splice_child_die): Use remove_child_with_prev and add_child_die.
11563 (print_die): Use FOR_EACH_CHILD.
11564 (die_checksum): Likewise.
11565 (assign_symbol_names): Likewise.
11566 (output_location_lists): Likewise.
11567 (build_abbrev_table): Likewise.
11568 (calc_die_sizes): Likewise.
11569 (mark_dies): Likewise.
11570 (unmark_dies): Likewise.
11571 (unmark_all_dies): Likewise.
11572 (output_die): Likewise.
11573 (prune_unused_types_mark): Likewise.
11574 (prune_unused_types_walk): Likewise.
11575 (same_die_p): Update for change to die_struct.
11576 (break_out_includes): Likewise.
11577 (prune_unused_types_prune): Likewise.
11578 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11579 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11580 it's already clear.
11581 (dwarf2out_finish): Don't call reverse_all_dies.
11583 2006-04-21 Eric Christopher <echristo@apple.com>
11585 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11586 in comments and function names.
11588 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11591 * c-typeck.c (digest_init): Robustify.
11593 * c-typeck.c (pop_init_level): Simplify.
11595 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11597 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11599 2006-04-21 Paul Brook <paul@codesourcery.com>
11601 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11602 hardware floating point.
11604 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11606 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11609 2006-04-21 Nick Clifton <nickc@redhat.com>
11611 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11614 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11617 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11618 C++ lang type in traceback table for Objective-C++.
11620 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11622 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11624 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11626 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11629 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11630 were errors. Remove check for erroneous objects.
11632 2006-04-20 Jeff Law <law@redhat.com>
11634 PR tree-optimization/26854
11635 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11636 checking for zero or one use.
11637 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11638 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11639 * tree-ssa-reassoc.c (negate_value): Similarly.
11640 (reassociate_bb): Similarly.
11642 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11644 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11645 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11646 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11648 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11650 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11651 fp regs if the last fp arg doesn't fit in regs.
11653 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11656 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11657 that the last insn has the REG_INC note.
11659 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11660 Nathan Sidwell <nathan@codesourcery.com>
11663 * stor-layout.c (update_alignment_for_field): Do not align
11665 (place_union_field): Place union field at the start of the union.
11666 (place_field): Move ERROR_MARK check later, and use the current
11667 allocation position to maintain monotonicity.
11669 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11671 * dominance.c: Include timevar.h.
11672 (calculate_dominance_info): Use TV_DOMINANCE.
11673 * timevar.def (TV_DOMINANCE): New timevar.
11674 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11676 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11678 PR rtl-optimization/14261
11679 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11680 move would be an INSV insn.
11681 (noce_process_if_block): Don't optimize if the destination is a
11682 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11684 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11686 * config/s390/s390.md: Add comments with the instructions emitted
11687 by an insn pattern if macros are used.
11689 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11691 PR rtl-optimization/26026
11692 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11693 is a known power of two shifted left a variable amount.
11695 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11697 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11698 to hash table twice when the debug_str section has SECTION_MERGE.
11700 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11702 * config/soft-fp: New directory. From glibc.
11703 * config/soft-fp/t-softfp: New.
11704 * config/soft-fp/README: New.
11705 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11706 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11707 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11708 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11709 * config.gcc: Use rs6000/t-fprules-fpbit or
11710 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11712 * config/rs6000/sfp-machine.h: New. Based on glibc.
11713 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11715 * config/rs6000/t-fprules: Remove fp-bit rules.
11716 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11717 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11718 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11719 (softfp_wrap_start, softfp_wrap_end): New.
11721 2006-04-18 DJ Delorie <dj@redhat.com>
11723 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11725 2006-04-18 Devang Patel <dpatel@apple.com>
11727 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11729 2006-04-18 Nick Clifton <nickc@redhat.com>
11731 * config/sh/t-symbian: Add rule to build sh-c.o
11732 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11733 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11734 (sh_symbian_encode_section_info): Likewise.
11736 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11738 * builtins.c (expand_builtin_strcmp): Cover label definition of
11739 do_libcall with HAVE_cmpstrnsi.
11741 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11743 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11745 * function.h (temp_slot_p): New.
11746 (function): Change the type of x_used_temp_slots to
11747 VEC(temp_slot_p,gc) *.
11749 2006-04-18 Nick Clifton <nickc@redhat.com>
11751 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11752 flag_strength_reduce.
11754 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11756 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11760 Partial revert of revision 112637
11761 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11762 Dale Johannesen <dalej@apple.com>
11765 * regclass.c (struct reg_pref): Update documentation.
11766 (regclass): Set prefclass to NO_REGS if memory is the best option.
11767 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11769 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11771 PR tree-optimization/26821
11772 * tree-ssa-math-opts.c (get_constant_one): New.
11773 (insert_reciprocals): Use it.
11775 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11777 * dwarf2out.c (free_AT): Delete.
11778 (remove_AT): Update string ref counts.
11779 (remove_child_TAG): Don't call free_die.
11780 (free_die): Delete.
11781 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11782 or DW_TAG_GNU_EINCL.
11783 (prune_unused_types_walk_attribs): Reset string refcounts.
11784 (prune_unused_types_update_strings): New.
11785 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11786 call free_die. Do call prune_unused_types_update_strings.
11787 (prune_unused_types): Empty debug_str_hash.
11789 2006-04-17 Roger Sayle <roger@eyesopen.com>
11791 * expr.c (expand_assignment): Optimize away no-op moves where the
11792 source and destination are equal and have no side-effects.
11794 2006-04-17 Richard Guenther <rguenther@suse.de>
11797 * reload.c (push_reload): Guard calls to get_secondary_mem
11798 for memory subregs.
11800 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11802 * alias.c (reg_base_value, old_reg_base_value): Change the
11803 type to VEC(rtx,gc) *.
11804 (REG_BASE_VALUE, find_base_value, record_set,
11805 init_alias_analysis): Use VEC instead of VARRAY.
11807 * alias.c (alias_sets): Change the type to
11808 VEC(alias_set_entry,gc) *.
11809 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11810 VEC instead of VARRAY.
11811 (last_alias_set): Remove.
11813 * cgraph.h (cgraph_edge_p): New.
11814 Update the prototype of cgraph_function_versioning.
11815 * cgraphunit.c (cgraph_copy_node_for_versioning,
11816 cgraph_function_versioning): Use VEC instead of VARRAY.
11817 * ipa-cp.c (ipcp_insert_stage): Likewise.
11819 2006-04-16 Roger Sayle <roger@eyesopen.com>
11822 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11823 "A op B" or "A op C", we may need to convert A to the type of B and C.
11825 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11827 * target.h (struct gcc_target): Add mode_rep_extended.
11828 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11829 (init_num_sign_bit_copies_in_rep): Initialize it using
11831 (truncate_to_mode): Use it.
11832 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11833 * targhooks.h (default_mode_rep_extended): Declare it.
11834 * targhooks.c (default_mode_rep_extended): Define it.
11835 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11836 default_mode_rep_extended.
11837 (TARGET_INITIALIZER): Include it.
11838 * doc/tm.texi (Misc): Document it.
11839 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11840 (mips_truncated_to_mode): New function.
11842 2006-04-16 Roger Sayle <roger@eyesopen.com>
11844 PR middle-end/25474
11845 * expr.c (compress_float_constant): Copy the narrow constant into
11846 a new pseudo before extending it to its final width.
11848 2006-04-16 Roger Sayle <roger@eyesopen.com>
11849 Andrew Pinski <pinskia@gcc.gnu.org>
11850 Dale Johannesen <dalej@apple.com>
11853 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11854 special case code to implement V8HImode and V16QImode with SSE2.
11856 2006-04-15 Roger Sayle <roger@eyesopen.com>
11858 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11859 trees are constructed with a suitable tree type.
11861 2006-04-15 Roger Sayle <roger@eyesopen.com>
11863 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11864 (integer_onep): Likewise.
11865 (integer_all_onesp): Likewise.
11866 (integer_pow2p): Likewise.
11867 (integer_nonzerop): Likewise.
11868 (real_zerop): Likewise.
11869 (real_onep): Likewise.
11870 (real_twop): Likewise.
11871 (real_minus_onep): Likewise.
11872 (int_size_in_bytes): Likewise.
11873 (host_integerp): Likewise.
11875 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11877 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11878 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11879 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11881 * tree-ssa-structalias.h (alias_info): Remove num_references.
11883 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11885 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11886 (output_bvb patterns): Likewise.
11887 * pa.c (output_bb): Use 'bb' insn for long branch case.
11888 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11889 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11890 1. Correct length operand for alternatives 1 and 2.
11891 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11892 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11894 2006-04-14 Roger Sayle <roger@eyesopen.com>
11896 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11897 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11898 were accidentally reverted by r112959.
11900 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11902 PR middle-end/26823
11903 * except.h (eh_region_outermost): New prototype.
11904 * except.c (eh_region_outermost): New function.
11905 * tree-cfg.c (find_outermost_region_in_block): Use it.
11907 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11909 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11911 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11912 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11913 (init_reload, reload): Use VEC instead of VARRAY.
11914 * reload.h: Update the prototype for
11915 reg_equiv_memory_loc_varray.
11917 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11918 Eric Botcazou <ebotcazou@libertysurf.fr>
11920 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11921 register save area.
11923 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11925 PR middle-end/27134
11926 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11927 to expand fallback builtin function call.
11929 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11931 PR middle-end/27095
11932 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11933 and emit libcall here in case the builtin fails.
11934 (expand_builtin_strcmp): Always emit the libcall here on failure.
11936 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11938 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11939 * flow.c (reg_n_info): Change the type to
11940 VEC(reg_info_p,heap) *.
11941 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11943 * regs.h (reg_info_p): New.
11944 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11945 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11946 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11949 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11951 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11953 * params.h (MAX_SCHED_READY_INSNS): New macro.
11954 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11955 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11956 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11957 the ready list for 1 cycle during the first scheduling pass.
11958 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11960 2006-04-13 Richard Henderson <rth@redhat.com>
11963 * gimple-low.c (lower_omp_directive): Remove dead code.
11964 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
11965 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
11966 * omp-low.c (struct omp_region): Move to tree-flow.h.
11967 (root_omp_region): Export.
11968 (omp_regions, lookup_omp_region): Remove.
11969 (determine_parallel_type): Update for struct omp_region changes.
11970 (dump_omp_region): Dump regions with block numbers.
11971 (new_omp_region): Take type and block instead of stmt; malloc
11973 (free_omp_region_1, free_omp_regions): New.
11974 (expand_parallel_call): Take entry_stmt as argument; update for
11975 changes to omp_region.
11976 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11977 (remove_exit_barriers): New.
11978 (expand_omp_parallel): Update for struct omp_region changes.
11979 (expand_omp_synch): Likewise.
11980 (expand_omp): Likewise.
11981 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11982 (expand_omp_for_static_chunk): Likewise.
11983 (expand_omp_for): Likewise.
11984 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11985 (expand_omp_sections): Similarly, with GOMP_sections_end.
11986 (expand_omp_single): New.
11987 (build_omp_regions_1): Update for OMP_CONTINUE.
11988 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
11989 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
11990 OMP_SECTIONS_SECTIONS.
11991 (lower_omp_single_simple): Don't emit barrier here.
11992 (lower_omp_single_copy): Likewise.
11993 (lower_omp_single): Fix bindings, and lower to straightline now.
11994 (lower_omp_master, lower_omp_ordered): Likewise.
11995 (lower_omp_critical): Likewise.
11996 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11997 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11998 omp edges, free it afterward.
11999 (make_omp_sections_edges): Remove.
12000 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12001 (move_stmt_r): Handle OMP_CONTINUE.
12002 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12003 statement pointers to basic blocks. Add type member.
12004 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12005 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12006 * tree-inline.c (estimate_num_insns_1): Likewise.
12007 * tree-pretty-print.c (dump_generic_node): Likewise.
12008 * tree-ssa-operands.c (get_expr_operands): Likewise.
12009 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12010 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12011 (OMP_CONTINUE): New.
12012 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12013 (OMP_SECTIONS_SECTIONS): Remove.
12014 (OMP_SECTION_LAST): New.
12015 (OMP_RETURN_NOWAIT): New.
12017 2006-04-13 Roger Sayle <roger@eyesopen.com>
12019 * fold-const.c (native_encode_vector, native_interpret_real):
12020 Correct obvious mistakes in the previous check-in.
12022 2006-04-13 Roger Sayle <roger@eyesopen.com>
12024 * fold-const.c (native_encode_expr): New function to encode
12025 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12026 or VECTOR_CST into a specified buffer.
12027 (native_encode_int): New function.
12028 (native_encode_real): New function.
12029 (native_encode_complex): New function.
12030 (native_encode_vector): New function.
12031 (native_interpret_expr): Inverse of native_encode_expr to convert
12032 a target representation into an INTEGER_CST, REAL_CST etc...
12033 (native_interpret_int): New function.
12034 (native_interpret_real): New function.
12035 (native_interpret_complex): New function.
12036 (native_interpret_vector): New function.
12037 (fold_view_convert_expr): New function to constant fold/evaluate
12038 a VIEW_CONVERT_EXPR of a suitable constant expression.
12039 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12040 Change call of build1 to fold_build1 when constructing a
12043 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12044 Ulrich Weigand <uweigand@de.ibm.com>
12047 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12050 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12053 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12054 optimize to lo_sum for DFmode if !TARGET_FPRS.
12056 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12058 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12059 delete_alias_info, compute_flow_sensitive_aliasing,
12060 group_aliases): Use VEC instead of VARRAY.
12061 * tree-ssa-structalias.c (update_alias_info): Likewise.
12062 * tree-ssa-structalias.h (alias_info): Change the type of
12063 processed_ptrs to VEC(tree,heap) *.
12065 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12068 * config/sh/lib1funcs.h: New file, broken out of:
12069 * config/sh/lib1funcs.asm.
12070 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12072 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12073 * config/sh/lib1funcs-Os-4-200.asm: New file.
12074 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12075 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12076 (EXTRA_MULTILIB_PARTS): Include it.
12077 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12078 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12079 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12080 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12083 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12085 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12086 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12087 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12089 * tree-ssa-live.h: Include vecprim.h.
12090 (tree_partition_associator_d): Change the type of
12091 first_partition to VEC(int,heap) *.
12092 (tpa_first_partition): Use VEC instead of VARRAY.
12094 * Makefile.in (GTFILES): Move functions.h after tree.h.
12095 * function.c (reset_block_changes, record_block_change,
12096 check_block_change, free_block_changes): Use VEC instead of
12098 * function.h (function): Change the type of
12099 ib_boundaries_block to VEC(tree,gc) *.
12100 * tree-inline.c (copy_cfg_body): Initialize
12101 ib_boundaries_block to NULL instead of (varray_type) 0.
12103 2006-04-12 Roger Sayle <roger@eyesopen.com>
12105 * expr.c (emit_group_store): Correct operand order in call to
12106 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12107 a SUBREG_BYTE of zero.
12109 2006-04-12 Richard Guenther <rguenther@suse.de>
12111 * profile.c (compute_branch_probabilities): Remove code
12112 encapsulated in !ir_type (), which are remanents of the
12113 removed RTL profiling code.
12114 * rtl-profile.c: Remove.
12116 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12118 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12119 magic NULL_RTX comment.
12120 (function_arg): Store entire fp arg to mem if any part should go
12122 (rs6000_arg_partial_bytes): Adjust for above change.
12124 2006-04-11 Roger Sayle <roger@eyesopen.com>
12126 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12127 if it hasn't been initialized by dwarf2out_init.
12129 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12131 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12132 symbolic constants in branch patterns.
12134 2006-04-11 Roger Sayle <roger@eyesopen.com>
12136 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12138 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12140 PR rtl-optimization/27073
12141 * gcse.c (try_replace_reg): Revert last change. Continue to search
12142 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12145 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12147 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12148 aggregate types other than record and union types.
12149 (function_arg): Likewise.
12150 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12152 (function_value): In 64-bit mode, return objects that require it
12155 2006-04-11 Roger Sayle <roger@eyesopen.com>
12157 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12159 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12161 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12163 2006-04-03 Jeff Law <law@redhat.com>
12166 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12167 alias information too.
12169 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12171 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12173 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12176 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12177 (premark_used_types_helper): New.
12178 (premark_used_types): New.
12179 (gen_subprogram_die): Call premark_used_types.
12180 (prune_unused_types_walk): Do not prune perennial dies.
12181 * function.c (used_types_insert): New.
12182 * function.h (struct function): Add used_types_hash field.
12183 (used_types_insert): Add prototype.
12184 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12185 * c-parser.c (c_parser_cast_expression): Save casted types in used
12188 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12191 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12192 rs6000_explicit_options.float_gprs.
12194 2006-04-10 Roger Sayle <roger@eyesopen.com>
12196 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12197 from ix86_expand_vector_init_low_nonzero. Take an additional
12198 one_var argument indicating which element is non-zero. Support
12199 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12200 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12201 with one_var instead of ix86_expand_vector_init_low_nonzero.
12203 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12205 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12206 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12207 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12208 build/genextract.o): Depend on vecprim.h.
12209 * cfglayout.c, df-problems.c, function.c, genextract.c,
12210 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12211 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12215 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12217 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12218 Declare VECs of this type.
12219 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12220 (remove_children): Delete.
12221 (add_dwarf_attr): Use VEC routines.
12222 (add_AT_flag): Update for changes to add_dwarf_attr.
12223 (add_AT_int): Likewise.
12224 (add_AT_unsigned): Likewise.
12225 (add_AT_long_long): Likewise.
12226 (add_AT_vec): Likewise.
12227 (add_AT_string): Likewise.
12228 (add_AT_die_ref): Likewise.
12229 (add_AT_fde_ref): Likewise.
12230 (add_AT_loc): Likewise.
12231 (add_AT_loc_list): Likewise.
12232 (add_AT_addr): Likewise.
12233 (add_AT_lbl_id): Likewise.
12234 (add_AT_lineptr): Likewise.
12235 (add_AT_macptr): Likewise.
12236 (add_AT_offset): Likewise.
12237 (add_AT_range_list): Likewise.
12238 (get_AT): Use VEC_iterate.
12239 (remove_AT): Use VEC_ordered_remove.
12240 (free_die): Fold remove_children into here; have it use VEC_iterate.
12241 (print_die): Use VEC_iterate on attrs.
12242 (reverse_die_lists): Don't reverse attr lists.
12243 (die_checksum): Use VEC_iterate on attrs.
12244 (same_die_p): Likewise.
12245 (output_location_lists): Likewise.
12246 (build_abbrev_table): Likewise.
12247 (size_of_die): Likewise.
12248 (unmark_all_dies): Likewise.
12249 (output_abbrev_section): Likewise.
12250 (output_die): Likewise.
12251 (prune_unused_types_walk_attribs): Likewise.
12253 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12255 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12257 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12260 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12262 2006-04-09 Roger Sayle <roger@eyesopen.com>
12264 * expr.c (store_constructor): Don't bother clearing target if
12265 we're about to assign a vector to it using vec_init_optab.
12267 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12269 * tree-ssa-alias.c (lhs_may_store_to): New function.
12270 (recalculate_used_alone): Handle LHS of calls.
12272 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12276 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12277 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12278 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12279 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12280 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12281 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12282 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12283 stubs. Add ".align 8" directives before all ".dword" directives.
12284 (GTHREAD_USE_WEAK): Revise comment.
12285 (TARGET_ATTRIBUTE_WEAK): Define.
12286 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12287 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12288 * stublib.c: New file.
12293 * pa.md (cbranch patterns): Revise arguments used in calls to
12294 output_cbranch, output_bb and output_bvd. Add long branch length
12296 (fbranch patterns): Handle long branches.
12297 (jump): Revise length check. Revise arguments for output_lbranch call.
12298 Add long branch length attributes.
12299 (decrement_and_branch_until_zero): Add long branch length attributes.
12300 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12301 Likewise. Revise arguments for output_parallel_addb and
12302 output_parallel_movb calls.
12303 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12304 output_parallel_movb and output_parallel_addb): Update prototypes.
12305 * pa.c (output_cbranch): Revise arguments. Correct handling of
12306 nullification in long branches.
12307 (output_lbranch): Add new argument to control extraction of delay
12309 (output_bb): Handle long branches.
12310 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12311 output_parallel_addb): Likewise.
12313 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12315 PR rtl-optimization/27073
12316 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12319 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12321 * tree.h (tree_memory_tag): Add old_used_alone.
12322 (SMT_OLD_USED_ALONE): New macro.
12323 * tree-ssa-alias.c (recalculate_used_alone): Stop
12324 marking things for renaming unnecessarily.
12326 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12328 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12329 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12330 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12331 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12332 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12333 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12334 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12335 spelling convensions.
12336 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12337 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12338 typos. Follow spelling conventions.
12340 2006-04-07 DJ Delorie <dj@redhat.com>
12342 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12343 passed on the stack.
12344 (m32c_init_cumulative_args): When a function returns a structure,
12345 always pass the pointer to that return area on the stack.
12346 (m32c_function_arg_advance): Don't increment the parameter number
12347 if we're processing the returned structure pointer.
12348 (pushm_info): Reverse order of registers.
12350 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12352 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12353 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12354 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12355 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12356 build_int_cst_type.
12357 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12358 chrec_fold_multiply): Same.
12359 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12360 force_expr_to_var_cost): Same.
12361 * tree-mudflap.c (mf_xform_derefs_1): Same.
12362 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12364 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12366 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12367 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12370 2006-04-07 Jan Hubicka <jh@suse.cz>
12372 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12374 2006-04-07 Richard Guenther <rguenther@suse.de>
12376 PR tree-optimization/26135
12377 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12378 loads for store copy-prop.
12379 (copy_prop_visit_stmt): Likewise.
12381 2006-04-05 Robert Millan <robertmh@gnu.org>
12383 * config/i386/linux.h: Add a comment to mark macros that are
12384 being overriden in config/k*bsd-gnu.h.
12385 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12387 * config/knetbsd-gnu.h: Ditto.
12389 2006-04-06 Jan Hubicka <jh@suse.cz>
12393 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12396 2006-04-06 Mike Stump <mrs@apple.com>
12398 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12399 for HAVE_nonlocal_goto to be consistent.
12400 (expand_builtin_nonlocal_goto): Likewise.
12401 (expand_builtin_strcmp): Use #ifdef instead of #if
12402 for HAVE_cmpstrnsi to be consistent.
12404 2006-04-05 DJ Delorie <dj@redhat.com>
12406 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12409 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12411 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12412 got-relative addressing for anything but SImode.
12414 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12415 even if the calling function doesn't modify them.
12417 2006-04-05 Richard Guenther <rguenther@suse.de>
12419 PR tree-optimization/26919
12420 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12421 to cgraph_estimate_size_after_inlining.
12423 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12425 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12427 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12429 PR tree-optimization/26996
12430 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12431 VECTOR_TYPE variables.
12433 2006-04-05 Richard Guenther <rguenther@suse.de>
12435 PR tree-optimization/26763
12436 * fold-const.c (fold_comparison): Move folding of
12437 PTR + CST CMP PTR + CST ...
12438 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12440 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12442 * doc/install.texi (Prerequisites): Refine some wording on
12443 bootstrapping and ksh.
12444 Move the version numbers of DejaGnu here from the testing section
12445 and fix casing of names.
12446 Fix markup and clarify wording for autogen requirements.
12447 Refer to GCJ instead of just java.
12448 Refer to SVN instead of CVS.
12449 Describe diffutils as useful instead of necessary.
12450 (Downloading the source): Refer to SVN instead of CVS.
12451 Adjust a link to our web site accordingly.
12452 (Configuration): Fix casing of Bison.
12453 (Building): Refer to SVN instead of CVS.
12454 Fix a sentence on the use of Bison and remove duplicate (and
12455 incorrect) version number of Bison requirement.
12456 Remove one redundant list of packages needed for building.
12457 (Specific): Avoid reference to CVS.
12459 2006-04-04 Eric Christopher <echristo@apple.com>
12461 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12462 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12463 (rs6000_handle_struct_attribute): New.
12464 (rs6000_ms_bitfield_layout_p): Ditto.
12466 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12468 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12469 NULL for dso parameter to atexit_common.
12471 2006-04-04 Eric Christopher <echristo@apple.com>
12473 * config/i386/i386.c (machopic_output_stub): Output \t
12474 between instructions and operands.
12476 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12478 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12479 satisfies_constraint_[IL] to explicit tests on value.
12481 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12483 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12484 set_nb_iterations_in_loop): Use build_int_cst instead of
12485 build_int_cst_type.
12486 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12487 build_int_cst instead of convert.
12489 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12491 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12492 new value 2 for incoming.
12493 * function.c (expand_function_start): Call struct_value_rtx
12494 with incoming as 2.
12495 * config/sparc/sparc.md: Comment updated_return.
12496 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12497 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12498 struct return if sparc_std_struct_return and incoming is 2.
12499 (print_operand): Do not adjust return if
12500 sparc_std_struct_return.
12502 2006-04-04 Roger Sayle <roger@eyesopen.com>
12504 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12505 convert in the middle-end.
12506 * expr.c (store_expr, store_constructor, get_inner_reference,
12507 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12509 * tree.c (build_range_type): Likewise.
12511 2006-04-04 Tom Tromey <tromey@redhat.com>
12513 * doc/install.texi (Prerequisites): Mention jar.
12515 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12517 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12520 2006-04-04 Matthias Klose <doko@debian.org>
12522 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12526 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12529 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12531 * doc/extend.texi (Function Attributes): Rewrite visibility
12532 attribute documentation.
12533 * doc/invoke.texi (C++ Dialect Options): Rewrite
12534 -fvisibility-inlines-hidden documentation to describe something
12535 entirely different, although in practise compatible.
12536 (Code Gen Options): Warn about system headers in -fvisibility=
12539 * doc/extend.texi (Other Builtins): Document that
12540 __builtin_nan is a compile-time constant only when its argument
12543 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12545 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12546 trying to remove TRUNCATE check if all bits outside the new mode
12547 are identical to the sign bit.
12549 2006-04-03 Jeff Law <law@redhat.com>
12551 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12552 and operand scanning in some common cases.
12554 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12555 Dale Johannesen <dalej@apple.com>
12558 * regclass.c (struct reg_pref): Update documentation.
12559 (regclass): Set prefclass to NO_REGS if memory is the best option.
12560 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12561 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12562 into account. For non-registers, equate an empty preferred
12563 reload class to a `!' in the constraint; move the if clause to
12564 do so after those that reject the insn.
12565 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12567 (find_dummy_reload): Likewise.
12568 * doc/tm.texi (Register Classes): Document what it means
12569 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12570 * config/i386/i386.c (ix86_preferred_reload_class): Force
12571 using SSE registers (and return NO_REGS for floating-point
12572 constants) if math is done with SSE.
12573 (ix86_preferred_output_reload_class): New.
12574 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12575 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12576 * config/i386/i386.md: Remove # register preferences.
12578 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12581 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12582 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12583 the type of nb_iter.
12584 (instantiate_parameters_1): Convert the operands before calling
12585 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12586 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12588 2006-04-02 Roger Sayle <roger@eyesopen.com>
12590 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12591 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12592 instead of convert.
12593 * dojump.c (do_jump): Likewise.
12594 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12595 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12596 gimplify_boolean_expr): Likewise.
12597 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12598 * varasm.c (array_size_for_constructor): Likewise.
12599 * tree-object-size.c (compute_object_offset): Likewise.
12601 2006-04-02 Roger Sayle <roger@eyesopen.com>
12603 PR middle-end/26977
12604 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12605 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12607 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12609 PR tree-optimization/26939
12610 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12612 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12614 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12615 at_stmt. Convert the type of operands before calling
12616 build_polynomial_chrec.
12617 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12618 add_to_evolution_1.
12619 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12620 (instantiate_parameters_1): Convert the type of operands before calling
12621 build_polynomial_chrec.
12622 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12623 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12624 reset_evolution_in_loop): Insert asserts to check the types of the
12626 (chrec_type): Moved...
12627 (eq_evolutions_p): Use operand_equal_p.
12628 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12629 the types of the operands.
12630 (chrec_type): ...here.
12631 * tree-data-ref.c (create_data_ref): Convert the operands before
12632 calling chrec_replace_initial_condition.
12633 (same_access_functions, analyze_subscript_affine_affine,
12634 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12635 (compute_subscript_distance, analyze_ziv_subscript,
12636 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12637 analyze_miv_subscript): Convert the operands before calling
12638 chrec_fold_minus or chrec_fold_plus.
12640 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12642 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12643 the dependence_relations vector.
12644 (compute_data_dependences_for_loop): Adjust call to
12645 compute_all_dependences.
12647 2006-04-01 Roger Sayle <roger@eyesopen.com>
12648 Richard Henderson <rth@redhat.com>
12650 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12651 gimple_boolify on the condition before calling gimplify_expr.
12653 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12655 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12656 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12657 the frame size. Update to use the new macros.
12658 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12659 * config/xtensa/ieee754-df.S: Likewise.
12661 2006-03-31 Richard Henderson <rth@redhat.com>
12663 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12664 (make_edges): ... here. Control fallthru creation with a local
12665 variable. Do not play with fake edges.
12666 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12667 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12670 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12672 * dwarf2.h (DW64_CIE_ID): Define.
12673 * dwarf2out.c (DWARF_CIE_ID): Define.
12674 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12675 length header. Use DWARF_CIE_ID.
12676 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12677 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12679 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12681 * config/sh/linux-atomic.asm: New file.
12682 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12684 2006-03-31 DJ Delorie <dj@redhat.com>
12686 * config/m32c/cond.md: Set condition flags properly throughout.
12687 * config/m32c/minmax.md: Likewise.
12688 * config/m32c/prologue.md: Likewise.
12689 * config/m32c/bitops.md: Likewise.
12690 * config/m32c/muldiv.md: Likewise.
12691 * config/m32c/mov.md: Likewise.
12692 * config/m32c/addsub.md: Likewise.
12693 * config/m32c/m32c.md: Likewise.
12694 * config/m32c/jump.md: Likewise.
12695 * config/m32c/shift.md: Likewise.
12697 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12698 conditionally output the pattern for this.
12699 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12700 (m32c_compare_redundant): New.
12701 (m32c_output_compare): New.
12702 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12704 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12705 dest, not src. Allow other 4-byte modes.
12707 2006-03-30 Denis Chertykov <denisc@overta.ru>
12709 * doc/md.texi: Refer to avr/constraints.md instead of
12712 2006-03-30 Roger Sayle <roger@eyesopen.com>
12714 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12715 signed vs. unsigned comparison failures on some hosts.
12717 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12720 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12721 change to FLOAT_REGS.
12723 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12724 (rs6000_override_options): Use it.
12725 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12726 only for -mabi=spe/no-spe and -mabi=altivec.
12728 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12730 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12733 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12735 * Makefile.in: Rename docdir to gcc_docdir.
12737 2006-03-30 Roger Sayle <roger@eyesopen.com>
12740 * expr.c (emit_group_store): Optimize group stores into a pseudo
12741 register by using a paradoxical subreg to initialize the destination
12742 if the first or last member of the group specifies a "low part".
12744 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12747 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12748 * target.h (struct gcc_target.speculate_insn): Change type of the
12749 second parameter to 'int'.
12750 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12751 the second operand of the DEPS_LIST.
12752 (copy_DEPS_LIST_list): Update reference to the second operand of the
12754 * rtl.h (alloc_DEPS_LIST): Update signature.
12755 * sched-int.h (ds_t): Change typedef to 'int'.
12756 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12758 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12760 * haifa-sched.c (try_ready): Change condition to restore
12761 non-speculative pattern of the instruction.
12762 (process_insn_depend_be_in_spec): Code to keep probability of the
12763 speculative dependence non-decreasing.
12765 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12767 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12768 (single_move_for_movmem): ... this. Also change all uses.
12769 (bfin_expand_strmov): Renamed to...
12770 (bfin_expand_movmem): ... this. Also change all uses.
12771 * config/bfin/bfin.md (movstrsi): Renamed to...
12772 (movstrsi): ...this.
12774 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12776 PR tree-optimization/26830
12778 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12779 (copy_prop_visit_stmt): Remove write-only variable ann.
12780 (init_copy_prop): Check variable loop depth here. Do not simulate
12781 memory-tag and virtual operand PHIs except for store copy prop.
12783 2006-03-30 Richard Guenther <rguenther@suse.de>
12785 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12786 variants with double arguments.
12788 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12790 * genpreds.c (write_tm_constrs_h): Delete variable p.
12791 * genconditions.c (write_header): Add tm-constrs.h to included
12793 * genpeep.c (main): Add toplev.h to included headers.
12794 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12795 (build/genpeep.o): Add toplev.h dependency.
12796 * config/rs6000/constraints.md: Add "W" constraint.
12798 2006-03-29 Roger Sayle <roger@eyesopen.com>
12800 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12801 sizes by correctly testing whether the size fits a host integer.
12802 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12803 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12804 SImode range for the default sizetype and bitsizetype.
12806 2006-03-29 Roger Sayle <roger@eyesopen.com>
12808 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12809 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12810 quickly if the argument is already of the correct type.
12811 Call fold_build1 instead of build1. Tidy up blank lines.
12813 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12815 * genemit.c (main): Add tm-constrs.h to included headers.
12816 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12817 * genpeep.c (main): Add tm-constrs.h to included headers.
12818 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12819 (write_tm_constrs_h): this and write complete file.
12820 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12821 (write_insn_preds_c): Add tm-constrs.h to included headers.
12822 (gen_constrs): New variable.
12823 (parse_option): Parse "-c".
12824 (main): Invoke write_tm_constrs_h.
12825 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12826 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12827 (object_out_file): Add tm-constrs.h dependency.
12828 (insn-emit.o): Same.
12829 (insn-output.o): Same.
12830 (insn-peep.o): Same.
12831 (insn-preds.o): Same.
12832 (insn-recog.o): Same.
12833 (tm-constsr.h): New target.
12834 (s-constrs-h): New target.
12836 * config/rs6000/constraints.md: New file.
12837 * config/rs6000/rs6000.c: Include tm-constrs.h.
12838 (num_insn_constant_wide): Convert to satisfies_constraint.
12839 (rs6000_rtx_costs): Convert to satisfies_constraint.
12840 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12841 (CONST_OK_FOR_LETTER_P): Delete.
12842 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12843 (EXTRA_CONSTRAINT): Delete.
12844 (EXTRA_MEMORY_CONSTRAINT): Delete.
12845 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12846 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12847 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12848 satisfies_constraint.
12850 * config/i386/i386.c: Include tm-constrs.h.
12852 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12854 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12855 * tree-data-ref.c (find_data_references_in_loop,
12856 compute_data_dependences_for_loop): Use pointers to VEC.
12857 (analyze_all_data_dependences): Adjust calls.
12858 * tree-data-ref.h (find_data_references_in_loop,
12859 compute_data_dependences_for_loop): Adjust declarations.
12860 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12861 compute_data_dependences_for_loop.
12863 2006-03-29 Paul Brook <paul@codesourcery.com>
12865 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12866 (movdf_vfp): Ditto.
12868 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12870 PR tree-optimization/26859
12871 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12873 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12874 for the step after fold_convert.
12876 2006-03-29 Paul Brook <paul@codesourcery.com>
12878 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12879 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12881 2006-03-29 Paul Brook <paul@codesourcery.com>
12883 PR middle-end/23623
12884 * targhooks.c (default_narrow_bitfield): New fuction.
12885 * targhooks.h (default_narrow_bitfield): add prototype.
12886 * target.h (gcc_target): Add narrow_volatile_bitfield.
12887 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12888 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12889 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12890 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12892 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12894 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12896 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12897 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12898 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12899 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12900 (s390_function_arg_float): Allow SDmode and DDmode values to be
12901 passed in floating point registers.
12902 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12903 check with SCALAR_FLOAT_MODE_P.
12904 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12906 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12908 PR tree-optimization/25985
12909 * tree-ssa-loop-niter.c (number_of_iterations_le,
12910 number_of_iterations_ne): Make comments more precise.
12911 (number_of_iterations_cond): Add only_exit argument. Use the
12912 fact that signed variables do not overflow only when only_exit
12914 (loop_only_exit_p): New.
12915 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12916 number_of_iterations_cond.
12918 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12920 PR tree-optimization/26643
12921 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12924 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12926 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12927 (divsi3_i4_int): Likewise.
12929 2006-03-28 Roger Sayle <roger@eyesopen.com>
12931 * expr.c (emit_group_store): Only create a new pseudo reg if the
12932 quantity it needs to hold isn't already a suitable pseudo.
12934 2006-03-28 Jeff Law <law@redhat.com>
12936 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12937 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12939 2006-03-28 Roger Sayle <roger@eyesopen.com>
12941 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12942 the equivalent ~X & Y, and the symmetry related transformations.
12943 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12944 ~X & Y, and symmetry related transforms.
12946 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12948 Revert my 2006-03-27 patches.
12950 2006-03-28 Roger Sayle <roger@eyesopen.com>
12952 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12953 ~(T1)X, when T1 and T2 are integer types of the same precision
12954 and (T2)X isn't an extension.
12956 2006-03-28 Jeff Law <law@redhat.com>
12958 PR tree-optimization/26796
12959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12960 need EH edge cleanups rather than purging them immediately.
12961 (eliminate_degenerate_phis): Handle queued EH cleanups.
12963 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
12965 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
12968 2006-03-27 Roger Sayle <roger@eyesopen.com>
12970 PR middle-end/22524
12971 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
12972 cast BIT_NOT_EXPR operand to the correct type.
12974 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12976 * tree-loop-linear.c: Don't include varray.h.
12977 (gather_interchange_stats, try_interchange_loops,
12978 linear_transform_loops): Use VEC instead of VARRAY.
12979 * lambda-mat.c: Don't include varray.h.
12980 * tree-chrec.c: Same.
12981 * lambda-trans.c: Same.
12982 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12983 VEC instead of VARRAY.
12984 * tree-vectorizer.h: Idem.
12985 * tree-data-ref.c (dump_data_references,
12986 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12987 initialize_data_dependence_relation, finalize_ddr_dependent,
12988 compute_all_dependences, find_data_references_in_loop,
12989 compute_data_dependences_for_loop, analyze_all_data_dependences,
12990 free_dependence_relation, free_dependence_relations,
12991 free_data_refs): Idem.
12992 * tree-data-ref.h (data_reference_p, subscript_p): New.
12993 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12994 VEC instead of VARRAY.
12995 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12996 (find_data_references_in_loop, compute_data_dependences_for_loop,
12997 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12998 dump_data_dependence_relations, free_dependence_relations,
12999 free_data_refs): Adjust declaration.
13000 (lambda_transform_legal_p): Move declaration here...
13001 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13002 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13003 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13004 vect_analyze_data_refs): Use VEC instead of VARRAY.
13005 * lambda.h (lambda_transform_legal_p): ...from here.
13006 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13007 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13008 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13009 tree-chrec.o): Don't depend on VARRAY_H.
13011 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13013 * rtl.def (Copyright): Update date.
13014 (DEPS_LIST): Change type of the second operand to 'int'.
13015 * target.h (Copyright): Update date.
13016 (struct gcc_target.speculate_insn): Change type of the second parameter
13018 * lists.c (Copyright): Update date.
13019 (alloc_DEPS_LIST): Change signature. Update reference to the second
13020 operand of the DEPS_LIST.
13021 (copy_DEPS_LIST_list): Update reference to the second operand of the
13023 * rtl.h (Copyright): Update date.
13024 (alloc_DEPS_LIST): Update signature.
13025 * sched-int.h (Copyright): Update date.
13026 (ds_t): Change typedef to 'int'.
13027 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13029 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13031 * haifa-sched.c (Copyright): Update date.
13032 (try_ready): Change condition to restore non-speculative pattern
13033 of the instruction.
13034 (process_insn_depend_be_in_spec): Code to keep probability of the
13035 speculative dependence non-decreasing.
13037 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13039 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13040 shut up the compiler.
13042 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13044 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13045 to use lib prefix for target.
13046 ($(T)libic_invalidate_array_4-200.a): Likewise.
13047 ($(T)libic_invalidate_array_4a.a): Likewise.
13049 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13050 J"orn Rennecke <joern.rennecke@st.com>
13052 * superh.opt: New file.
13053 * sh.c (boardtype, osruntime): Remove.
13054 * superh.h (SUBTARGET_OPTIONS): Remove.
13055 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13057 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13058 arguments with ^ and/or [].
13060 * config.gcc (sh-*-*): Add quoting to account for quirk of
13062 Replace == with = in enable_incomplete_targets test.
13064 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13065 with MASK_LITTLE_ENDIAN.
13067 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13068 * config/sh/sh.opt: Added to some comments.
13069 * config/sh/superh.h: Removed some chaff.
13071 * config/sh/sh.opt: Add m4-[1234]00* options.
13072 * config/sh/sh.c (sh_handle_option): Likewise.
13073 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13074 (ic_invalidate_array_4-100.o): New rule.
13075 ($(T)libic_invalidate_array_4-100.a): Likewise.
13076 (ic_invalidate_array_4-200.o): Likewise.
13077 ($(T)libic_invalidate_array_4-200.a): Likewise.
13078 (ic_invalidate_array_4a.o): Likewise.
13079 ($(T)libic_invalidate_array_4a.a): Likewise.
13080 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13081 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13083 * config/sh/crt1.asm: Merged in profiling code.
13084 * config/sh/superh.h (STARTFILE_SPEC): Override.
13085 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13086 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13087 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13089 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13090 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13091 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13093 * sh.opt (mpretend-cmove): New option.
13094 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13095 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13096 (movsicc): Add TARGET_PRETEND_CMOVE code.
13098 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13100 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13101 s390_class_max_nregs): New function prototypes.
13102 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13103 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13104 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13105 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13107 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13109 * dwarf2out.c (add_location_or_const_value_attribute): Call
13110 tree_add_const_value_attribute if nothing else works.
13111 (reference_to_unused): New.
13112 (rtl_for_decl_init): Use reference_to_unused to decide whether
13113 to output an initializer.
13115 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13118 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13119 peephole removing spe frob_di_df_2.
13121 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13123 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13124 (subscript_dependence_tester_1): Declared.
13125 (print_dir_vectors, print_dist_vectors): New.
13126 (debug_data_dependence_relation): New.
13127 (dump_data_dependence_relation): Print more details.
13128 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13129 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13130 (save_dist_v, save_dir_v, add_outer_distances,
13131 build_classic_dist_vector_1): New.
13132 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13133 Don't test for lambda_vector_lexico_pos.
13134 (same_access_functions, add_multivariate_self_dist,
13135 add_other_self_distances, dir_from_dist): New.
13136 (build_classic_dir_vector): Replace implementation almost identical to
13137 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13139 (subscript_dependence_tester_1): New.
13140 (subscript_dependence_tester): Handle the lexicographically negative
13141 distance vectors by recomputing the dependence relation.
13142 (compute_affine_dependence): Remove parameter loop_nest_depth.
13143 (compute_self_dependence): Don't call compute_subscript_distance.
13144 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13145 Add a parameter for the loop_nest.
13146 (find_loop_nest_1, find_loop_nest): New.
13147 (compute_data_dependences_for_loop): Compute the loop nest, and give
13148 up if the nest is not well formed.
13149 * tree-data-ref.h (loop_p): New.
13150 (struct data_dependence_relation): Replace size_vect field with
13151 loop_nest, a vec of loops.
13152 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13153 (DDR_LOOP_NEST): New.
13154 (print_dir_vectors, print_dist_vectors,
13155 debug_data_dependence_relation): Declared.
13156 (index_in_loop_nest): New.
13157 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13158 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13161 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13163 * simplify-rtx.c (simplify_relational_operation): Call
13164 simplify_relational_operation_1 even if mode is VOIDmode.
13166 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13168 PR tree-optimization/26804
13169 * tree.h (DECL_CALL_CLOBBERED): New macro.
13170 (tree_decl_common): Add call_clobbered_flag.
13171 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13172 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13173 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13174 (mark_non_addressable): Ditto.
13175 * tree-ssa.c (verify_call_clobbered): New function.
13176 (verify_alias_info): Use it.
13177 * tree-pass.h (pass_reset_cc_flags): New prototype.
13178 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13179 (reset_cc_flags): New function.
13180 * passes.c (init_optimization_passes): Call reset_cc_flags after
13181 initializing referenced_vars.
13183 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13184 Roger Sayle <roger@eyesopen.com>
13186 PR middle-end/26717
13187 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13188 to 1.0 for non-real operands. Implement A / A optimization for
13191 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13193 * config/i386/i386.c (size_cost): Correct the comment for
13194 cost of storing fp registers.
13195 (i386_cost): Likewise.
13196 (i486_cost): Likewise.
13197 (pentium_cost): Likewise.
13198 (pentiumpro_cost): Likewise.
13199 (k6_cost): Likewise.
13200 (athlon_cost): Likewise.
13201 (k8_cost): Likewise.
13202 (pentium4_cost): Likewise.
13203 (nocona_cost): Likewise.
13204 (generic64_cost): Likewise.
13205 (generic32_cost): Likewise.
13207 2006-03-24 Denis Chertykov <denisc@overta.ru>
13209 * config/avr/avr-protos.h (extra_constraint): Delete.
13210 (extra_constraint_Q): New declaration.
13211 * config/avr/constraints.md: New file.
13212 * config/avr/avr.md: Include it.
13213 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13214 (TMP_REGNO, ZERO_REGNO): Likewise.
13215 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13216 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13217 (extra_constraint): Delete.
13218 (extra_constraint_Q): Test for memory constraint 'Q'.
13219 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13220 (REG_CLASS_FROM_LETTER): Delete.
13221 (CONST_OK_FOR_LETTER_P): Delete.
13222 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13223 (EXTRA_CONSTRAINT): Delete.
13224 (TMP_REGNO): Delete.
13225 (ZERO_REGNO): Delete.
13227 2006-03-24 Jeff Law <law@redhat.com>
13229 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13230 directly. Call mark_new_vars_to_rename slightly earlier.
13232 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13234 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13235 (is_cxx): Likewise.
13236 (gen_compile_unit_die): Use new language types for Objective-C and
13238 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13239 DW_LANG_C_plus_plus.
13242 * config/t-darwin (crt3.o): Work around bug 26840.
13243 * config/darwin-crt3.c: Rewrite.
13244 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13246 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13248 * doc/invoke.texi: Document -femit-class-debug-always
13249 * common.opt: Add -femit-class-debug-always.
13251 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13253 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13254 index and base register.
13255 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13256 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13257 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13258 REGNO_OK_FOR_INDEX_P.
13259 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13261 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13262 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13263 REG_OK_FOR_BASE_P): Definitions removed.
13265 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13267 PR middle-end/26611
13268 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13269 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13270 set yet or weren't marked as local yet.
13272 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13274 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13277 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13279 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13280 (rs6000_legitimate_small_data_p): Delete.
13281 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13282 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13283 and make static. Add forward declaration. Update uses.
13284 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13285 of offsettable_memref_p.
13286 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13287 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13289 2006-03-24 Jeff Law <law@redhat.com>
13291 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13292 around bug in immediate-use iterator.
13294 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13297 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13298 or __LITTLE_ENDIAN__.
13300 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13302 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13303 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13304 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13305 * config/sh/sh.opt (mdiv=): Amend description.
13306 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13307 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13308 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13309 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13310 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13311 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13312 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13313 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13314 TARGET_DIVIDE_CALL_FP.
13316 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13318 * haifa-sched.c (choose_ready): Fix type of the local variable.
13319 Move local variables. Add comment.
13320 (check_reg_live): Change signature. Make callable from debugger.
13321 * sched-int.h (check_reg_live): Update signature.
13322 * sched-ebb.c (check_reg_live): Update parameters.
13323 * sched-rgn.c (check_reg_live): Ditto.
13324 (region_head_or_leaf_p): Check pointer before dereferencing.
13325 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13326 before reload on optimization levels below 1.
13328 2006-03-23 Richard Henderson <rth@redhat.com>
13330 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13334 * config/alpha/predicates.md (local_symbolic_operand): Reject
13337 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13340 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13341 expressions which have overflowed constants.
13343 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13345 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13347 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13349 * cfgloopmanip.c (create_loop_notes): Removed.
13350 * final.c (final_scan_insn): Do not handle loop notes.
13351 * jump.c (squeeze_notes): Ditto.
13352 * cfglayout.c (skip_insns_after_block,
13353 duplicate_insn_chain): Ditto.
13354 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13356 * cfgloop.h (create_loop_notes): Declaration removed.
13358 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13360 * varasm.c (output_constant_pool): Restore fnname and fndecl
13362 (assemble_start_function): Adjust call accordingly.
13363 (assemble_end_function): Likewise.
13365 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13368 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13371 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13373 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13376 * system.h (ICE_EXIT_CODE): New macro.
13377 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13378 (diagnostic_action_after_output): Likewise.
13379 * gcc.c (fatal_ice): New function.
13380 (execute): Use it instead of fatal.
13381 (fancy_abort): Likewise.
13382 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13384 2006-03-22 Jeff Law <law@redhat.com>
13386 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13387 iv_analyze_result returning false.
13389 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13391 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13393 2006-03-22 Richard Henderson <rth@redhat.com>
13395 PR middle-end/26084
13396 * except.c (duplicate_eh_regions_0): New.
13397 (duplicate_eh_region_1): Duplicate the children of the node as
13398 well as the node itself. Link them up properly.
13399 (duplicate_eh_region_2): Merge into ...
13400 (duplicate_eh_regions): ... here. Take copy_region argument, and
13401 copy only a sub-tree if asked. Simplify copying and fixup.
13402 (eh_region_outer_p): New.
13403 * except.h (duplicate_eh_regions): Update decl.
13404 (eh_region_outer_p): Declare.
13405 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13406 (lower_omp_master): Likewise.
13407 (lower_omp_ordered): Likewise.
13408 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13409 (move_stmt_r): Use it to remap labels. Handle recursion vs
13410 remap_decls_p properly.
13411 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13412 (find_outermost_region_in_block): New.
13413 (new_label_mapper): New.
13414 (move_sese_region_to_fn): Copy eh information to the new function
13416 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13418 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13421 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13423 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13424 into shared libraries.
13426 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13428 * doc/md.texi: Refer to i386/constraints.md instead of
13429 i386/predicates.md.
13430 * config/i386/constraints.md: New file, extracted from...
13431 * config/i386/predicates.md: ...here.
13432 * config/i386/i386.md: Include constraints.md.
13434 2006-03-21 Jason Merrill <jason@redhat.com>
13436 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13438 PR middle-end/20297
13439 * expr.c (init_block_move_fn): Force default visibility.
13440 (init_block_clear_fn): Likewise.
13441 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13442 * targhooks.c (default_external_stack_protect_fail): Likewise.
13444 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13446 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13447 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13448 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13449 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13450 (loadgp): Use mips_current_loadgp_style.
13451 (loadgp_noshared): New pattern.
13452 (sibcall_internal): Use MIPS_CALL.
13453 (sibcall_value_internal): Likewise.
13454 (sibcall_value_multiple_internal): Likewise.
13455 (call_internal): Likewise.
13456 (call_value_internal): Likewise.
13457 (call_value_multiple_internal): Likewise.
13458 (call_split): Use MIPS_CALL and add an 'S' constraint.
13459 (call_value_split): Likewise.
13460 (call_value_multiple_split): Likewise.
13461 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13462 (-mshared): New option.
13463 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13464 (mips_current_loadgp_style): Declare.
13465 * config/mips/mips.c (mips_classify_symbol): Avoid using
13466 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13467 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13468 TARGET_ABSOLUTE_ABICALLS.
13469 (override_options): Adjust comments. Improve the warning that is
13470 issued when -mabicalls and -G are used together.
13471 (mips_file_start): Remove comment.
13472 (mips_current_loadgp_style): New function.
13473 (mips_gnu_local_gp): New variable.
13474 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13476 (mips_output_function_prologue): Use mips_current_laodgp_style.
13477 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13478 the cprestore instruction.
13479 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13480 live for TARGET_ABSOLUTE_ABICALLS.
13481 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13482 (ASM_SPEC): Pass down -mshared and -mno-shared.
13483 (MIPS_CALL): New macro.
13484 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13486 * doc/invoke.texi (-mabicalls): Update documentation.
13487 (-mshared): Document.
13489 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13491 * config/ia64/unwind-hpux.c: New file.
13492 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13494 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13497 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13499 2006-03-21 Jeff Law <law@redhat.com>
13501 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13502 type conversions of a VR_VARYING source to a wider type.
13504 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13506 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13507 tm_file on Solaris 10 and later.
13508 (sparc64-*-solaris2*): Likewise.
13509 (sparc-*-solaris2*): Likewise.
13510 * config/sol26.h: Rename to config/sol2-6.h.
13511 * config/sol2-10.h: New file.
13513 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13516 * tree-ssa-pre.c (create_component_ref_by_pieces):
13519 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13522 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13523 return it immediately.
13525 2006-03-21 Michael Matz <matz@suse.de>
13527 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13529 (remove_arc, add_arc): Update num_out_arcs member.
13530 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13532 (cache_presence): New function.
13533 (compare_states_for_equiv): New function.
13534 (state_is_differed): Don't take number of outargs, adjust callers.
13535 Use new invariant for speeding up.
13536 (init_equiv_class): Create initial classes based on sorted
13538 (partition_equiv_class): Don't track out_arcs_num.
13539 (evaluate_equiv_classes): Call cache_presence on all states and
13542 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13544 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13545 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13546 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13547 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13549 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13550 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13551 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13552 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13553 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13555 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13556 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13557 (REGNO_REG_CLASS): ARGP is in PREGS.
13558 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13560 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13561 to deal with those addresses.
13562 * addresses.h: New file.
13563 * caller-save.c: Include "addresses.h".
13564 (init_caller_save): Use new base_reg_class function.
13565 * rtl-factoring.c: Include "addresses.h".
13566 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13567 * recog.c: Include "addresses.h".
13568 (preprocess_constraints): Use new base_reg_class function.
13569 * regrename.c: Include "addresses.h".
13570 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13571 functions. Keep track of a new var INDEX_CODE to compute valid
13573 (replace_oldest_value_addr): Likewise.
13574 (replace_oldest_value_mem): Use base_reg_class.
13575 * reload.c: Include "addresses.h".
13576 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13577 (find_reloads): Use new base_reg_class function.
13578 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13579 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13580 all callers and prototype changed.
13581 * reload1.c: Include "addresses.h".
13582 (maybe_fix_stack_asms): Use base_reg_class.
13583 * regclass.c: Include "addresses.h".
13584 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13585 (init_reg_autoinc): Use new base_reg_class function.
13586 (record_reg_classes): Likewise.
13587 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13588 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13589 Use new args to compute necessary class.
13591 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13592 regrename.o, rtl-factoring.o): Update dependencies.
13593 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13594 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13595 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13596 REG_OK_FOR_INDEX_P): Delete documentation.
13598 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13600 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13601 from V7 to V9 for Solaris 7 and above.
13603 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13605 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13606 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13607 argument pointers may not alias any other storage.
13608 * common.opt: Define option -fargument-noalias-anything.
13609 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13610 alias semantics is specified by flag_argument_noalias > 2.
13612 2006-03-20 Jeff Law <law@redhat.com>
13614 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13615 (pass_phi_only_cprop): Declare.
13616 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13617 with phi_only_cprop
13618 * tree-ssa-dom.c (degenerate_phi_result): New function.
13619 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13620 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13621 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13622 (eliminate_degenerate_phis): Likewise.
13623 (pass_phi_only_cprop): New pass descriptor.
13624 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13625 support code. Callers updated.
13626 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13627 (store_copy_prop): Likewise.
13628 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13630 2006-03-20 Jason Merrill <jason@redhat.com>
13633 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13634 (push_visibility, pop_visibility): Likewise.
13635 * c-pragma.h: Declare them.
13637 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13639 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13641 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13642 parameter and use get_ebb_head_tail.
13643 (sh_md_init_global): Adjust uses of find_regmode_weight.
13645 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13647 * function.h (struct function) <x_tail_recursion_reentry>:
13648 Rename to x_stack_check_probe_note.
13649 (tail_recursion_reentry): Rename to stack_check_probe_note.
13650 * function.c: Replace tail_recursion_reentry with
13651 stack_check_probe_note everywhere.
13652 (expand_function_start): Only emit a note for
13653 stack_check_probe_note with -fstack-protect.
13654 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13656 * emit-rtl.c (remove_unnecessary_notes): Remove.
13657 (pass_remove_unnecessary_notes): Remove.
13658 * rtl.h (remove_unnecessary_notes): Remove prototype.
13659 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13660 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13661 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13663 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13666 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13667 (valid_in_set): Handle ARRAY_REF.
13668 Change "if min_variant or VH" to asserts.
13669 (create_component_ref_by_pieces): Handle ARRAY_REF.
13670 (create_expression_by_pieces): Likewise.
13671 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13673 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13675 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13676 is operand of switch, not str[0].
13678 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13680 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13681 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13683 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13685 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13686 end of insn_extra_address_constraint declaration.
13688 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13690 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13691 (no-sum-in-toc): Same.
13692 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13694 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13695 NO_FP_IN_TOC for -fPIC instead of mask.
13697 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13698 (BOOT_LDFLAGS): Delete.
13700 * config/rs6000/t-aix52: Same.
13702 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13703 (stmsi[345678]_power): New.
13705 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13707 * config/ia64/ia64.opt: Add empty line to end of file.
13709 2006-03-17 Richard Guenther <rguenther@suse.de>
13711 PR middle-end/26721
13712 * builtins.c (get_pointer_alignment): For component style references
13713 adjust alignment to the component type alignment. Make sure
13714 to adjust alignment for component access of constants.
13716 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13718 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13719 unconditional jump.
13721 2006-03-17 Paul Brook <paul@codesourcery.com>
13723 * doc/install.texi: Docuemnt --with-mode.
13724 * config.gcc: Add --with-mode for arm*-*-*.
13725 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13727 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13729 * sh.c (max_labelno_before_reorg): New variable.
13730 (sh_reorg): Initialize it.
13731 (find_barrier): Check max_labelno_before_reorg before using
13732 label_to_alignment. Take length of explicit alignment insns
13733 into account. When seeing a UNSPECV_CONST_END, return it.
13735 * sh.c (fixup_mova): Set mode of affected label to QImode.
13736 (untangle_mova): New function.
13737 (find_barrier): Use it. Check mode of label before decrementing
13739 (sh_reorg): Likewise.
13740 Set mode of all insns back to VOIDmode.
13742 * sh.c (MOVA_LABELREF): New macro.
13743 (mova_p, fixup_mova, sh_reorg): Use it.
13744 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13745 ADDR_DIFF_VEC matches mova.
13747 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13749 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13750 with ATTRIBUTE_UNUSED.
13752 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13754 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13755 pointer, instead of assuming it is possible to derive the
13756 correct args size from a call insn.
13758 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13760 * rtl.h (CONST_INT_P): Define.
13761 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13762 instead of GET_CODE(x) == CONST_INT.
13763 (vax_rtx_costs): Likewise.
13764 (vax_output_int_move): Likewise.
13765 (vax_output_int_add): Likewise.
13766 (legitimate_constant_address_p): Likewise.
13767 (index_term_p): Likewise.
13768 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13769 * config/vax/vax.md (and<mode>3): Likewise.
13770 (ashrsi3): Likewise.
13772 (movstricthi): Likewise.
13773 (movstrictqi): Likewise.
13774 (rotrsi3): Likewise.
13775 (five unnamed insns): Likewise.
13777 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13779 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13780 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13781 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13782 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13783 Pass to ASM_OUTPUT_DWARF_OFFSET.
13784 * dwarf2out.c (debug_frame_section): New.
13785 (output_call_frame_info): Use debug_frame_section. Pass it to
13786 dw2_asm_output_offset.
13787 (output_die): Pass appropriate section to dw2_asm_output_offset.
13788 (output_compilation_unit_header): Likewise.
13789 (output_pubnames): Likewise.
13790 (output_aranges): Likewise.
13791 (enum dw_val_class): Break dw_val_class_lbl_offset into
13792 dw_val_class_lineptr and dw_val_class_macptr.
13793 (add_AT_lbl_offset): Delete.
13794 (add_AT_lineptr): New.
13795 (add_AT_macptr): New.
13796 (AT_lbl): Expect a lineptr or macptr.
13797 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13798 (attr_checksum): Likewise.
13799 (same_dw_val_p): Likewise.
13800 (size_of_die): Likewise.
13801 (value_format): Likewise.
13802 (output_die): Likewise.
13803 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13805 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13806 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13807 * config/darwin-protos.h (darwin_file_start): New.
13808 (darwin_asm_output_dwarf_offset): New.
13809 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13810 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13812 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13813 if not EH section; simplify.
13814 (darwin_file_start): New.
13815 (darwin_asm_output_dwarf_offset): New.
13816 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13818 (DEBUG_INFO_SECTION): Likewise.
13819 (DEBUG_ABBREV_SECTION): Likewise.
13820 (DEBUG_ARANGES_SECTION): Likewise.
13821 (DEBUG_MACINFO_SECTION): Likewise.
13822 (DEBUG_LINE_SECTION): Likewise.
13823 (DEBUG_LOC_SECTION): Likewise.
13824 (DEBUG_PUBNAMES_SECTION): Likewise.
13825 (DEBUG_STR_SECTION): Likewise.
13826 (DEBUG_RANGES_SECTION): Likewise.
13827 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13828 (ASM_OUTPUT_DWARF_OFFSET): New.
13830 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13832 * config.gcc (tm_defines): Always add to previous value rather
13835 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13837 * config/mips/predicates.md (splittable_const_int_operand): New,
13838 split from move_operand.
13839 (splittable_symbolic_operand): New.
13840 (move_operand): Add commentary. Use splittable_const_int_operand.
13841 Inline mips_atomic_symbolic_constant_p.
13842 * config/mips/mips.md: Add combine splitters for handling moves
13843 of splittable_const_int_operands and splittable_symbolic_operands.
13844 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13845 (mips_split_symbol): Declare.
13846 (mips_move_integer): Declare.
13847 * config/mips/mips.c (mips_split_p): Make global.
13848 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13849 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13850 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13851 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13852 (mips_offset_within_object_p): Handle block symbols.
13853 (mips_atomic_symbolic_constant_p): Delete.
13854 (mips_cannot_force_const_mem): Return false for constants that
13855 mips_legitimize_move can handle.
13856 (mips_use_blocks_for_constant_p): New function.
13857 (mips_split_symbol): Make global.
13858 (mips_move_integer): Likewise. Add a temporary register argument.
13859 (mips_legitimize_const_move): Use splittable_const_int_operand and
13860 splittable_symbolic_operand.
13861 (mips_use_anchors_for_symbol_p): New function.
13862 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13863 (mips_split_p): Declare.
13865 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13867 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13868 (mips*-*-linux*): Likewise.
13870 2006-03-16 Roger Sayle <roger@eyesopen.com>
13871 Daniel Speyer <dspeyer@wam.umd.edu>
13873 PR middle-end/18259
13874 * tree-dump.c (dump_real): New function.
13875 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13876 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13877 (tree-dump.o): Add $(REAL_H) to the dependencies.
13879 2006-03-16 Roger Sayle <roger@eyesopen.com>
13881 PR middle-end/21781
13882 * real.c (real_from_string): If the mantissa is zero, don't bother
13883 parsing the exponent as the result should always be zero.
13885 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13887 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13889 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13891 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13892 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13893 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13894 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13895 ia64_sched_finish_global): New static functions to implement
13896 hooks from gcc_target.sched.
13897 (spec_check_no, max_uid, pending_data_specs): New static variables.
13898 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13899 ia64_spec_check_src_p): New static functions.
13900 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13901 (TARGET_SCHED_ADJUST_COST): Removed.
13902 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13903 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13904 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13905 TARGET_SCHED_GEN_CHECK,
13906 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13907 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13908 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13909 Fixed to handle speculation checks.
13910 (rtx_needs_barrier): Fixed to handle speculative loads and
13912 (ia64_variable_issue): Added code to count speculative loads and their
13914 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13916 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13918 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13920 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13921 (ia64_reorg): Reset stops_p to NULL after it is freed.
13922 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13923 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13924 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13926 (data_speculative, control_speculative, check_load): New attributes.
13927 (mov<mode>_advanced, mov<mode>_speculative,
13928 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13929 zero_extend<mode>di2_speculative,
13930 zero_extend<mode>di2_speculative_advanced): New patterns for
13931 data and control speculative loads.
13932 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13934 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13935 New pattern for data and control speculation checks.
13936 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13937 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13938 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13939 Auxiliary definitions for the patterns.
13940 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13941 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13943 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13945 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13946 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13947 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13948 New resource constraints.
13949 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13951 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13952 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13953 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13954 msched-in-control-spec, msched-ldc, msched-control-ldc,
13955 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13956 msched-prefer-non-control-spec-insns,
13957 msched-count-spec-in-critical-path): New flags to tune speculative
13959 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13960 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13961 msched-in-control-spec, msched-ldc, msched-control-ldc,
13962 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13963 msched-prefer-non-control-spec-insns,
13964 msched-count-spec-in-critical-path): Document new flags.
13966 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13968 * target.h (struct spec_info_def): New opaque declaration.
13969 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
13970 speculate_insn, needs_block_p, gen_check,
13971 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
13972 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13973 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13974 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13975 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13976 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13978 (TARGET_SCHED): Use new macros.
13979 * rtl.h (copy_DEPS_LIST_list): New prototype.
13980 * sched-int.h (struct sched_info): Change signature of new_ready field,
13981 adjust all initializations. New fields: add_remove_insn,
13982 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13983 region_head_or_leaf_p.
13984 (struct spec_info_def): New structure declaration.
13985 (spec_info_t): New typedef.
13986 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13987 recovery_block, orig_pat.
13988 (glat_start, glat_end): New variables declaraions.
13989 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13991 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13992 DETACH_LIFE_INFO, USE_GLAT.
13993 (enum SPEC_SCHED_FLAGS): New enumeration.
13994 (NOTE_NOTE_BB_P): New macro.
13995 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13996 attach_life_info, debug_spec_status, check_reg_live): New functions.
13997 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13998 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14000 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14001 * ddg.c (get_block_head_tail): Adjust all uses.
14002 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14003 (sms_sched_info): Initialize new fields.
14004 (contributes_to_priority): Removed.
14005 * haifa-sched.c (params.h): New include.
14006 (get_block_head_tail): Adjust all uses.
14007 (ISSUE_POINTS): New macro.
14008 (glat_start, glat_end): New global variables.
14009 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14010 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14011 old_last_basic_block, before_recovery, current_sched_info_var,
14012 rgn_n_insns, luid): New static variables.
14013 (insn_cost1): New function. Move logic from insn_cost to here.
14014 (find_insn_reg_weight1): New function. Move logic from
14015 find_insn_reg_weight to here.
14016 (reemit_notes, move_insn, max_issue): Change signature.
14017 (move_insn1): Removed.
14018 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14019 extend_bb): New static functions to support extension of scheduler's
14021 (generate_recovery_code, process_insn_depend_be_in_spec,
14022 begin_speculative_block, add_to_speculative_block,
14023 init_before_recovery, create_recovery_block, create_check_block_twin,
14024 fix_recovery_deps): New static functions to support
14025 generation of recovery code.
14026 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14027 restore_bb_notes, move_block_after_check, move_succs): New static
14028 functions to support ebb scheduling.
14029 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14030 functions to support handling of register live information.
14031 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14032 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14033 add_jump_dependencies): New static functions.
14034 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14035 consistancy checking.
14036 (debug_spec_status): New function to call from debugger.
14037 (priority): Added code to handle speculation checks.
14038 (rank_for_schedule): Added code to distinguish speculative instructions.
14039 (schedule_insn): Added code to handle speculation checks.
14040 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14041 Fixed to handle ebbs.
14042 (move_insn): Added code to handle ebb scheduling.
14043 (max_issue): Added code to use ISSUE_POINTS of instructions.
14044 (choose_ready): Added code to choose between speculative and
14045 non-speculative instructions.
14046 (schedule_block): Added code to handle ebb scheduling and scheduling of
14047 speculative instructions.
14048 (sched_init): Initialize new variables.
14049 (sched_finish): Free new variables. Print statistics.
14050 (try_ready): Added code to handle speculative instructions.
14051 * lists.c (copy_DEPS_LIST_list): New function.
14052 * sched-deps.c (extend_dependency_caches): New function. Move logic
14053 from create_dependency_caches to here.
14054 (get_dep_weak, ds_merge): Make global.
14055 * genattr.c (main): Code to output prototype for
14056 dfa_clear_single_insn_cache.
14057 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14058 (output_dfa_clean_insn_cache_func): Code to output
14059 dfa_clear_single_insn_cache function.
14060 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14062 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14064 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14065 New static variables.
14066 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14067 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14069 (ebb_sched_info): Initialize new fields.
14070 (get_block_head_tail): Adjust all uses.
14071 (compute_jump_reg_dependencies): Fixed to use glat_start.
14072 (schedule_ebb): Code to remove unreachable last block.
14073 (schedule_ebbs): Added code to update register live information.
14074 * sched-rgn.c (region_sched_info): Initialize new fields.
14075 (get_block_head_tail): Adjust all uses.
14076 (last_was_jump): Removed. Adjust users.
14077 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14078 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14079 Implement new hooks.
14080 (check_dead_notes1): New static function.
14081 (struct region): New fields: dont_calc_deps, has_real_ebb.
14082 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14083 (BB_TO_BLOCK): Fixed to handle EBBs.
14084 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14085 (ebb_head): New static variable.
14086 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14087 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14089 (compute_dom_prob_ps): New assertion.
14090 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14091 global_live_at_start.
14092 (init_ready_list): New assertions.
14093 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14094 (new_ready): Add support for BEGIN_CONTROL speculation.
14095 (schedule_insns): Fixed code that updates register live information
14097 (schedule_region): Fixed to handle EBBs.
14098 (init_regions): Use extend_regions and check_dead_notes1.
14099 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14100 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14101 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14102 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14103 TARGET_SCHED_GEN_CHECK,
14104 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14105 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14106 * doc/invoke.texi (max-sched-insn-conflict-delay,
14107 sched-spec-prob-cutoff): Document.
14109 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14111 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14112 inter_tick, queue_index.
14113 (struct sched_info): Change signature of init_ready_list field.
14114 Adjust all initializations.
14115 (RESOLVED_DEPS): New access macro.
14116 (ready_add): Remove prototype.
14117 (try_ready): Add prototype.
14118 * sched-rgn.c (init_ready_list): Use try_ready.
14119 (schedule_region): Initialize
14120 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14121 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14122 (init_ready_list): Use try_ready.
14123 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14124 * lists.c (remove_list_elem): Remove `static'.
14125 (remove_free_INSN_LIST_elem): New function.
14126 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14127 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14128 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14130 (readyp): New variable.
14131 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14132 change_queue_index, resolve_dep): New static functions.
14133 (try_ready): New function. Adjust callers in sched-rgn.c and
14134 sched-ebb.c to use it instead of ready_add.
14135 (clock_var): Move at the begining of file.
14136 (rank_for_schedule): Fix typo.
14137 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14138 (ready_lastpos): Enforce assertion.
14139 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14140 update all callers.
14141 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14142 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14143 (queue_to_ready): Use free_INSN_LIST_list.
14144 (early_queue_to_ready): Fix typo.
14145 (schedule_block): Init readyp. Move init_ready_list call after the
14146 initialization of clock_var. Fix error in rejecting insn by
14147 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14148 that previously corrected INSN_TICKs. Add code for handling
14150 (set_priorities): Fix typo.
14151 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14152 Clarify comment and code that keeps current_sched_info->next_tail
14155 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14157 * sched-rgn.c (extend_rgns): New static function.
14158 (find_rgns): Use it.
14159 (gather_region_statistics, print_region_statistics): New static
14161 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14162 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14164 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14165 Andrey Belevantsev <abel@ispras.ru>
14167 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14168 * lists.c (unused_deps_list): New variable.
14169 (free_list): Add assertions to verify the proper distinguishing
14170 between INSN_LISTs and DEPS_LISTs.
14171 (find_list_elem, remove_list_elem, remove_list_node): New static
14173 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14174 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14175 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14176 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14178 (free_INSN_LIST_node): Likewise.
14179 * modulo-sched.c (current_sched_info): Initialize flags field.
14180 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14181 * rtl.def (DEPS_LIST): Define.
14182 * rtl.h: Declare new functions from lists.c.
14183 * sched-deps.c (spec_dependency_cache): New static variable.
14184 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14185 (add_dependence): Change return type to void. Move the logic to ...
14186 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14187 (delete_all_dependences): Add comment about forward_dependency_cache.
14188 Handle spec_dependency_cache. Handle DEPS_LISTs.
14189 (fixup_sched_groups): Clarify the change of priority of output
14190 and anti dependencies.
14191 (sched_analyze_2): Adjust add_dependence calls to create data
14192 speculative dependence.
14193 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14194 Adjust all callers. Handle DEPS_LISTS.
14195 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14196 presence of speculation.
14197 (init_dependency_caches, free_dependency_caches):
14198 Handle spec_dependency_cache.
14199 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14200 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14201 New static functions.
14202 (add_or_update_back_dep, add_or_update_back_forw_dep,
14203 add_back_forw_dep, delete_back_forw_dep): New functions.
14204 * sched-int.h (ds_t, dw_t): New typedefs.
14205 (struct sched_info): Add new field flags.
14206 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14207 Prototype new sched-deps.c functions.
14208 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14209 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14210 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14211 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14212 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14213 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14215 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14217 * sched-rgn.c (current_sched_info): Initialize flags field.
14218 (schedule_insns): Initialize current_sched_info before the sched_init
14220 * sched-ebb.c (current_sched_info): Initialize flags field.
14221 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14222 Call add_or_update_back_dep instead of add_dependence.
14223 Create control speculative dependencies.
14224 (schedule_insns): Initialize current_sched_info before the sched_init
14227 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14229 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14231 (sh_fallback_frame_state): Likewise.
14233 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14235 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14236 Do switch on default_use_cxa_atexit.
14237 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14238 * config/darwin-crt3.o: New.
14239 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14240 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14241 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14243 * config/rs6000/t-darwin: Move crt2.o building to here.
14244 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14245 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14248 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14250 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14251 from '! xxx' to '!xxx' for coding-style conformance.
14252 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14253 (EXTRA_CONSTRAINT): Likewise.
14254 * config/vax/vax.md (four unnamed insns): Likewise.
14256 2006-03-15 Paul Brook <paul@codesourcery.com>
14258 * config/arm/arm.c (minipool_pad): New.
14259 (add_minipool_forward_ref): Include pool alignment padding in address
14261 (push_minipool_fix): Set minipool_pad.
14262 (minipool_pad): Ditto.
14264 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14266 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14267 instead of GET_CODE() == MEM and REG_P() instead of
14269 (print_operand_address): Likewise.
14270 (vax_address_cost): Likewise.
14271 (vax_rtx_costs): Likewise.
14272 (vax_notice_update_cc): Likewise.
14273 (vax_output_int_add): Likewise.
14274 (INDEX_REGISTER_P): Likewise.
14275 (BASE_REGISTER_P): Likewise.
14276 (nonindexed_address_p): Likewise.
14277 (vax_mode_dependent_address_p): Likewise.
14278 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14279 (PRINT_OPERAND): Likewise.
14280 * config/vax/vax.md (ashlsi3): Likewise.
14281 (ashlsi3): Likewise.
14282 (some more unnamed insns): Likewise.
14284 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14286 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14287 iterator-style macro.
14288 (mark_control_dependent_edges_necessary): Update the use of
14289 EXECUTE_IF_CONTROL_DEPENDENT.
14291 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14293 * config/sh/predicates.md (cache_address_operand): Special.
14294 (ua_address_operand): Likewise.
14296 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14298 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14300 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14302 2006-03-15 Andreas Schwab <schwab@suse.de>
14304 * gensupport.c (identify_predicable_attribute): Don't free p_false
14305 when it is still in use.
14307 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14309 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14310 the default setting here.
14312 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14314 * tree-pass.h (pass_cfg): Remove.
14315 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14316 * passes.c (pass_cfg): Don't run it.
14318 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14320 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14321 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14323 (stack_regs_mentioned): Update the uses of
14324 stack_regs_mentioned_data. Don't access the array beyond its
14326 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14327 Don't include gt-reg-stack.h.
14329 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14330 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14332 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14334 PR middle-end/26684
14335 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14338 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14340 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14342 2006-03-14 Richard Guenther <rguenther@suse.de>
14344 PR tree-optimization/26672
14345 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14348 2006-03-14 Richard Guenther <rguenther@suse.de>
14350 PR tree-optimization/26667
14351 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14352 node for the callees. Always allow inlining if it will shrink
14355 2006-03-14 Richard Guenther <rguenther@suse.de>
14357 PR middle-end/26659
14358 * builtins.c (get_pointer_alignment): Prefer alignment
14359 information from decls over that from types.
14361 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14364 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14366 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14368 * config/rs6000/rs6000.opt (mdlmzb): New option.
14369 (msched-prolog, msched-epilog): Use Var not Mask.
14370 * doc/invoke.texi (-mdlmzb): Document.
14371 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14373 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14374 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14376 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14378 PR rtl-optimization/25739
14379 * bt-load.c (augment_live_range): Free tos pointer.
14381 * gensupport.c (identify_predicable_attribute): Free
14383 * gcov.c (create_file_names): Free name pointer.
14385 2006-03-13 Roger Sayle <roger@eyesopen.com>
14387 PR middle-end/26557
14388 * stmt.c (emit_case_nodes): Handle the case where the index is a
14389 CONST_INT, where the comparison mode is specified by the index type.
14391 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14393 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14396 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14398 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14399 (*branch_fp_inverted): Likewise.
14401 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14403 PR middle-end/25989
14404 * omp-low.c (expand_omp_for_generic): Mark istart0
14405 and iend0 as addressable.
14407 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14409 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14411 2006-03-13 Jeff Law <law@redhat.com>
14413 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14414 virtual operands are interesting.
14415 (vrp_visit_stmt): Corresponding changes.
14417 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14419 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14421 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14422 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14423 * config/bfin/crti.S: Use it instead of __PIC__.
14424 * config/bfin/crtn.S: Likewise.
14426 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14427 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14429 Lose 'G' modifier for call operand.
14430 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14431 recognize 'G' modifier.
14433 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14435 PR middle-end/18859
14436 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14437 * stmt.c (expand_case): Likewise.
14439 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14441 PR rtl-optimization/26254
14442 * loop-invariant.c (seq_insns_valid_p): New function.
14443 (move_invariant_reg): Only emit new code if it is valid.
14445 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14447 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14449 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14450 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14451 (commit_one_edge_insertion): Do not look for loop notes.
14453 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14455 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14456 flag_test_coverage out of loop.
14458 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14460 * final.c (shorten_branches): Remove outdated comment, and turn
14461 the if branch that guards it to continue.
14463 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14465 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14466 * cfgloop.h (struct loop): Remove unused fields.
14468 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14470 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14471 (-dL, -fdump-rtl-loop2): Update the dump file names
14473 * doc/invoke.texi: Update dump file names.
14475 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14477 * predict.c (estimate_probability): Remove.
14478 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14479 * basic-block.h (estimate_probability): Remove prototype.
14480 * passes.c (finish_optimization_passes): Dump branch prediction or
14481 profiling heuristics to the .profile tree dump.
14482 (init_optimization_passes): Unqueue pass_branch_prob.
14484 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14486 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14488 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14489 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14491 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14493 * function.h (frame_offset_overflow): Declare.
14494 * function.c (frame_offset_overflow): New function.
14495 (assign_stack_local_1): Call it to detect that the offset overflows.
14496 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14498 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14500 * config/sh/sh.c: Include alloc-pool.h.
14501 (label_ref_list_pool): New alloc pool.
14502 (label_ref_list_t): New type for lists of labels.
14503 (struct pool_node): Make wend a label_ref_list_t.
14504 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14506 (dump_table): Likewise.
14507 (sh_reorg): Set up the alloc pool before using add_constant and
14508 dump_table, and destroy it when finishing.
14510 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14512 * config/mips/mips.c: Remove redundant comment.
14514 2006-03-10 Jason Merrill <jason@redhat.com>
14517 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14518 the target was declared 'register'.
14520 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14522 * genpreds.c (write_insn_constraint_len): Change definition of
14523 insn_constraint_len to return size_t to match the declaration.
14525 2006-03-10 DJ Delorie <dj@redhat.com>
14527 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14529 (m32c_expand_insv): Fix test for an AND mask.
14531 2006-03-10 Richard Guenther <rguenther@suse.de>
14533 PR middle-end/26565
14534 * builtins.c (get_pointer_alignment): Handle component
14535 references for field alignment.
14537 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14539 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14540 when building with libgloss.
14541 (sh*elf): Implement --without-fp option.
14542 (sh64-superh-linux*): Don't multilib.
14544 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14546 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14548 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14550 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14551 Set it when one of the replacement functions returned true.
14552 Return TODO_cleanup_cfg if cfgchanged is true.
14553 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14555 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14557 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14558 instead of gen_lowpart.
14560 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14562 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14564 (mips_output_order_conditional_branch): Declare.
14565 * config/mips/mips.h (MIPS_BRANCH): New macro.
14566 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14567 for the comparison. Use gen_condjump.
14568 (mips_output_conditional_branch): Rework interface to take the
14569 asm templates for a direct branch and the inverse of a direct branch.
14570 (mips_output_order_conditional_branch): New function.
14571 (mips_builtin_branch_and_move): New function.
14572 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14573 branch condition. Use gen_single_cc as the condition for
14574 __builtin_mips_upper_* or __builtin_mips_lower_*.
14575 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14576 Use VOIDmode for the branch condition.
14577 * config/mips/predicates.md (order_operator): New predicate.
14578 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14579 (branch_fp): Rename to...
14580 (*branch_fp): ...this. Remove mode from comparison operator.
14581 Use new mips_output_conditional_branch interface.
14582 (branch_fp_inverted): Rename to...
14583 (*branch_fp_inverted): ...this and update as for *branch_fp.
14584 (*branch_zero<mode>): Rename to...
14585 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14586 Use mips_output_order_conditional_branch. Only accept ordered
14588 (*branch_zero<mode>_inverted): Rename to...
14589 (*branch_order<mode>_inverted): ...this and update as for
14590 *branch_order<mode>.
14591 (*branch_equality<mode>): Accept zero as the second operand to
14592 the equality operator. Use the new mips_output_conditional_branch
14594 (*branch_equality<mode>_inverted): Likewise.
14595 (condjump): New expander.
14596 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14598 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14599 (bc1any2t, bc1any2f): Likewise.
14600 (single_cc): New expander.
14601 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14603 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14605 * doc/md.texi: Update documentation of MIPS constraints.
14606 * config/mips/constraints.md: New file.
14607 * config/mips/mips.md: Include it.
14608 * config/mips/mips.c (mips_char_to_class): Delete.
14609 (override_options): Don't initialize mips_char_to_class.
14610 * config/mips/mips.h (mips_char_to_class): Delete.
14611 (REG_CLASS_FROM_LETTER): Delete.
14612 (CONST_OK_FOR_LETTER_P): Delete.
14613 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14614 (EXTRA_CONSTRAINT_Y): Delete.
14615 (EXTRA_CONSTRAINT_STR): Delete.
14616 (CONSTRAINT_LEN): Delete.
14617 (EXTRA_MEMORY_CONSTRAINT): Delete.
14619 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14621 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14622 original fn's eh regions.
14624 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14626 * fold-const.c (build_range_check): Make sure to use a valid type to
14627 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14630 (range_predecessor): New static function.
14631 (range_successor): Likewise.
14632 (merge_ranges): Use them to compute predecessors and successors of
14635 2006-03-09 Roger Sayle <roger@eyesopen.com>
14637 PR middle-end/26561
14638 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14639 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14641 2006-03-08 DJ Delorie <dj@redhat.com>
14643 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14644 (addpsi3): Expand to include memory operands. Remove
14645 reload-specific splits.
14646 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14647 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14648 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14649 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14650 (shift1_qi, shift1_hi, insv): New.
14651 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14652 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14653 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14655 * config/m32c/m32c-protos.h: Update as needed.
14656 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14657 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14658 Fail for unrecognized R* constraints.
14659 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14660 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14661 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14663 (m32c_init_libfuncs): New.
14664 (m32c_legitimate_address_p): Add debug wrapper.
14665 (m32c_rtx_costs): New.
14666 (m32c_address_cost): New.
14667 (conversions): Add 'B' prefix.
14668 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14669 operands, or word regnames for QI operands. 'B' prints bit
14671 (m32c_expand_setmemhi): New.
14672 (m32c_expand_movmemhi): New.
14673 (m32c_expand_movstr): New.
14674 (m32c_expand_cmpstr): New.
14675 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14676 (m32c_expand_neg_mulpsi3): Handle non-ints.
14677 (m32c_cmp_flg_0): New.
14678 (m32c_expand_movcc): New.
14679 (m32c_expand_insv): New.
14680 (m32c_scc_pattern): New.
14681 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14682 a0/a1 out of SIregs.
14683 (STORE_FLAG_VALUE): New.
14684 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14687 * config/m32c/mov.md: Make constraints more liberal.
14688 (zero_extendqihi2): Optimize r0/r1 case.
14689 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14690 * config/m32c/predicates.md (m32c_any_operand): New.
14691 (m32c_nonimmediate_operand): New.
14692 (m32c_hl_operand): New.
14693 (m32c_r3_operand): New.
14696 (memsym_operand): New.
14697 (memimmed_operand): New.
14698 (a_qi_operand): New.
14699 (m32c_eqne_operator): New.
14700 (m32c_1bit8_operand): New.
14701 (m32c_1bit16_operand): New.
14702 (m32c_1mask8_operand): New.
14703 (m32c_1mask16_operand): New.
14704 * config/m32c/blkmov.md: New file.
14705 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14707 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14709 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14710 unsigned to fix signed/unsigned comparison issue in
14711 DWARF2_FRAME_REG_OUT.
14712 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14713 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14715 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14716 of ptr into the ENABLE_CHECKING section.
14718 2006-03-08 Jeff Law <law@redhat.com>
14720 * tree-vrp.c (infer_value_range): Only count pointer uses
14721 and dereferences if -fdelete-null-pointer-checks is enabled.
14723 * tree-vrp.c (find_assert_locations): Infer value ranges for
14724 single use pointers, but do not create ASSERT_EXPRs for them.
14725 When a non-null range is inferred for a pointer, backwards
14726 propagate that range to other equivalent pointers through the
14729 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14732 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14733 language hook targets.
14734 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14735 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14736 if language hook targets were missing.
14738 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14740 * tree-ssa-opfinalize.h: Removed.
14741 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14743 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14744 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14745 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14746 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14747 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14748 finalize_ssa_v_must_def_ops): New.
14750 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14752 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14753 block as parameter.
14755 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14757 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14759 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14760 addresses with offsets; reorganize.
14762 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14763 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14764 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14766 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14769 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14771 2006-03-08 Ben Elliston <bje@au.ibm.com>
14773 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14775 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14778 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14781 2006-03-07 Richard Guenther <rguenther@suse.de>
14783 PR tree-optimization/26587
14784 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14786 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14788 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14790 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14792 * hooks.c (hook_bool_mode_rtx_true): New function.
14793 * hooks.h (hook_bool_mode_rtx_true): Declare.
14794 * toplev.c (compile_file): Call output_shared_constant_pool.
14795 * varasm.c (shared_constant_pool): New variable.
14796 (assemble_start_function, assemble_end_function): Remove arguments
14797 from call to output_constant_pool.
14798 (create_constant_pool): New function, split out from...
14799 (init_varasm_status): ...here.
14800 (force_const_mem): Choose between the shared and per-function constant
14801 pools. Set current_function_uses_const_pool when reusing old entries
14802 as well as when creating new ones.
14803 (mark_constant): Ignore data argument.
14804 (mark_constants): Remove pool argument.
14805 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14806 to decide whether the function uses a constant pool.
14807 (output_constant_pool_contents): New function, split out from...
14808 (output_constant_pool): ...here.
14809 (output_shared_constant_pool): New function.
14810 (init_varasm_once): Initialize shared_constant_pool.
14811 * output.h (output_constant_pool): Delete.
14812 (output_shared_constant_pool): Declare.
14813 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14814 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14816 2006-03-06 Nick Clifton <nickc@redhat.com>
14818 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14819 flag_strength_reduce.
14821 2006-03-06 Ben Elliston <bje@au.ibm.com>
14823 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14824 x86_64-*-linux* configurations.
14826 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14827 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14829 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14831 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14833 * basic-block.h: Remove the extern for
14834 rediscover_loops_after_threading.
14836 * cfgloop.c (cancel_loop): Make it static.
14837 * cfgloop.h: Remove the prototype for cancel_loop.
14839 * flow.c (recompute_reg_usage): Make it static.
14840 * rtl.h: Remove the prototype for recompute_reg_usage.
14842 * function.c (use_return_register): Make it static.
14843 * function.h: Remove the prototype.
14845 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14847 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14849 * recog.h: Remove the prototype for
14850 validate_change_maybe_volatile.
14852 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14854 * rtlanal.c (replace_reg): Remove.
14855 * rtl.h: Remove the prototype for replace_reg.
14857 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14859 * regclass.c (reg_scan_update): Remove.
14860 (reg_scan_mark_refs): Remove the last argument.
14861 * rtl.h: Remove the prototype for reg_scan_update.
14863 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14865 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14866 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14867 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14868 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14869 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14870 loop-invariant.c, omp-low.c, opts.c, passes.c,
14871 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14872 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14873 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14874 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14875 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14876 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14878 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14880 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14881 * dwarf2out.h: Remove the prototype for
14882 dwarf2out_add_library_unit_info.
14884 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14886 * tree.c (add_var_to_bind_expr): Remove.
14887 * tree.h: Remove the prototype for add_var_to_bind_expr.
14889 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14891 * regclass.c (n_non_fixed_regs): Remove.
14892 (init_reg_sets_1, globalize_reg): Remove all uses of
14894 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14896 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14898 * rtlanal.c (insns_safe_to_move_p): Remove.
14899 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14901 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14903 * expmed.c (expand_mult_add): Remove.
14904 * expr.h: Remove the prototype for expand_mult_add.
14906 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14908 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14909 and REG_SAVED_VAL_EXP constants.
14910 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14911 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14912 Handle regs stored by value.
14913 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14914 (execute_cfa_program): Handle DW_CFA_val_offset,
14915 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14916 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14917 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14918 (uw_install_context_1): Handle target regs stored by value.
14920 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14922 * tree-sra.c (tree_sra): Return todoflags;
14923 (generate_one_element): Set TODO_update_smt_usage if needed.
14924 (pass_sra): Remove TODO_update_smt_usage.
14925 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14927 (tree_ssa_forward_propagate_single_use_vars): Return
14928 TODO_update_smt_usage if we need to update SMT usage.
14929 (pass_forwprop): Remove TODO_update_smt_usage.
14931 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14933 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14934 (correct_use_link): Remove reference to get_stmt_operands.
14935 (update_stmt_operands): Likewise.
14936 (get_modify_expr_operands): New function factored out of
14937 parse_ssa_operands and get_expr_operands.
14938 Try to create V_MUST_DEFs for LHS by default.
14939 (get_expr_operands) <case MODIFY_EXPR>: Call
14940 get_modify_expr_operands.
14941 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14942 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14943 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14944 get_modify_expr_operands.
14946 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14948 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14949 * tree-flow.h: Remove the prototype for
14950 referenced_var_lookup_if_exists.
14952 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14954 PR rtl-optimization/26345
14956 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14958 2006-03-03 Roger Sayle <roger@eyesopen.com>
14960 PR tree-optimization/26524
14961 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14962 fold_convert to create a constant of the appropriate type.
14964 2006-03-03 Richard Sandiford <richard@codesourcery.com>
14966 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14967 SYMBOL_REF_IN_BLOCK_P.
14968 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
14969 of SYMBOL_FLAG_IN_BLOCK.
14970 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
14971 instead of SYMBOL_REF_IN_BLOCK_P.
14972 * explow.c (use_anchored_address): Likewise.
14973 * rtl.c (rtx_size): Likewise.
14974 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14975 instead of SYMBOL_FLAG_IN_BLOCK.
14976 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14977 SYMBOL_REF_IN_BLOCK_P.
14978 (assemble_variable): Likewise.
14979 (output_constant_def_contents): Likewise.
14980 (output_constant_pool): Likewise.
14981 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14982 instead of SYMBOL_FLAG_IN_BLOCK.
14983 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14984 SYMBOL_REF_IN_BLOCK_P.
14985 (SYMBOL_REF_BLOCK): Likewise.
14986 (SYMBOL_REF_OFFSET): Likewise.
14987 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14988 SYMBOL_REF_IN_BLOCK_P.
14989 (SYMBOL_FLAG_IN_BLOCK): Replace with...
14990 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14991 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14992 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14994 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14996 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14998 2006-03-02 Roger Sayle <roger@eyesopen.com>
15000 * simplify-rtx.c (simplify_unary_operation): When simplifying
15001 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15002 that we perform the right shift in the appropriate mode, and
15003 then extend or truncate the result to requested mode.
15005 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15007 * gengtype.c (main): Handle double_int type.
15008 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15009 * double-int.c: New file.
15010 * double-int.h: New file.
15011 * system.h: Include doubleint.h.
15012 * Makefile.in (SYSTEM_H): Include double-int.h.
15013 (double-int.o): Add.
15015 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15018 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15021 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15023 * tree-vrp.c (remove_range_assertions): Do not update statements
15026 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15028 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15030 * gcse.c (rest_of_handle_gcse): Ditto.
15031 * except.c (gate_handle_eh): Ditto.
15032 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15033 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15035 2006-03-02 Eric Christopher <echristo@apple.com>
15037 * config/i386/i386.c (machopic_output_stub): Add indirection to
15040 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15044 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15046 Sun Niagara specific optimizations.
15047 * config.gcc: Recognize niagara as target.
15048 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15049 (TARGET_CPU_niagara): Define.
15050 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15051 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15052 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15053 (ASM_CPU_SPEC): Likewise.
15054 (PROCESSOR_NIAGARA): New enum entry.
15055 (REGISTER_MOVE_COST): Handle Niagara.
15056 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15057 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15058 (sparc_override_options): Recognize "niagara", set appropriate
15059 default MASK_* values for it, and align functions to 32-bytes
15060 by default just like ULTRASPARC/ULTRASPARC3.
15061 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15062 (sparc64_initialize_trampoline): Likewise.
15063 (sparc_use_sched_lookahead): Use zero for niagara.
15064 (sparc_issue_rate): Use one for niagara.
15065 * config/sparc/niagara.md: New file.
15066 * config/sparc/sparc.md: Include it.
15067 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15068 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15069 when default cpu is niagara.
15070 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15071 (ASM_CPU_SPEC): Likewise.
15072 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15073 when default cpu is niagara.
15074 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15075 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15076 just like v9/ultrasparc/ultrasparc3.
15077 * doc/invoke.texi: Add documentation for "niagara" and improve
15078 existing documentation for ultrasparc variants.
15080 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15082 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15084 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15086 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15087 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15088 and say that only one is needed.
15089 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15090 * target.h (have_switchable_bss_sections): New hook.
15091 * explow.c (use_anchored_address): Check that the symbol is in a block.
15092 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15093 (bss_noswitch_section): New variables.
15094 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15095 (get_noswitch_section): New function.
15096 (get_block_for_section): Allow SECT to be null.
15097 (unlikely_text_section_p): Use SECTION_STYLE.
15098 (bss_initializer_p): New function.
15099 (get_variable_section): Move earlier in file. Take a new argument,
15100 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15101 Return one of the new *_sections in such cases.
15102 (get_block_for_decl): New function, extracting some logic from
15103 use_blocks_for_decl_p.
15104 (change_symbol_section): Remove in favor of...
15105 (change_symbol_block): ...this new function.
15106 (use_blocks_for_decl_p): Remove checks now performed by
15107 get_block_for_decl.
15108 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15109 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15110 (emit_local, emit_bss, emit_common): ...these new functions.
15111 Return true if the alignment was honored.
15112 (emit_tls_common): New function.
15113 (asm_emit_uninitialised): Delete.
15114 (assemble_variable_noswitch): New function, split out from...
15115 (assemble_variable): ...here. Don't make decisions about common
15116 variables here. Globalize all public decls that go into non-common
15117 sections. Check whether SYMBOL_REF_BLOCK is null.
15118 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15119 (output_constant_pool): Likewise.
15120 (init_varasm_once): Initialize the new section variables.
15121 (have_global_bss_p): New function.
15122 (categorize_decl_for_section): Use bss_initializer_p.
15123 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15124 (place_block_symbol): Assert that the symbol must be in a block.
15125 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15126 (TARGET_INITIALIZER): Include it.
15127 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15128 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15129 (SECTION_MACH_DEP): Bump by two.
15130 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15131 (unnamed_section): Mention SECTION_UNNAMED in comment.
15132 (named_section): Likewise SECTION_NAMED.
15133 (noswitch_section_callback): New type.
15134 (noswitch_section): New structure.
15135 (section): Add a noswitch_section alternative.
15136 (SECTION_STYLE): New macro.
15137 (tls_comm_section, comm_section, lcomm_section): Declare.
15138 (bss_noswitch_section, have_global_bss_p): Declare.
15139 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15140 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15142 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15143 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15146 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15148 * tree-vrp.c (execute_vrp): Return value.
15149 * regrename.c (rest_of_handle_regrename): Ditto.
15150 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15151 * tree-complex.c (tree_lower_complex): Ditto.
15152 (tree_lower_complex_O0): Ditto.
15153 * tracer.c (rest_of_handle_tracer): Ditto.
15154 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15155 * postreload.c (rest_of_handle_postreload): Ditto.
15156 * tree-tailcall.c (execute_tail_recursion): Ditto.
15157 (execute_tail_calls): Ditto.
15158 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15159 * tree.h (init_function_for_compilation): Ditto.
15160 * ipa-cp.c (ipcp_driver): Ditto.
15161 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15162 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15163 * final.c (compute_alignments): Ditto.
15164 (rest_of_handle_final): Ditto.
15165 (rest_of_handle_shorten_branches): Ditto.
15166 (rest_of_clean_state): Ditto.
15167 * omp-low.c (execute_expand_omp): Ditto.
15168 (execute_lower_omp): Ditto.
15169 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15170 * ipa-reference.c (static_execute): Ditto.
15171 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15172 * reorg.c (rest_of_handle_delay_slots): Ditto.
15173 (rest_of_handle_machine_reorg): Ditto.
15174 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15175 * flow.c (recompute_reg_usage): Ditto.
15176 (rest_of_handle_remove_death_notes): Ditto.
15177 (rest_of_handle_life): Ditto.
15178 (rest_of_handle_flow2): Ditto.
15179 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15180 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15181 (do_ssa_store_ccp): Ditto.
15182 (execute_fold_all_builtins): Ditto.
15183 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15184 * modulo-sched.c (rest_of_handle_sms): Ditto.
15185 * ipa-pure-const.c (static_execute): Ditto.
15186 * cse.c (rest_of_handle_cse): Ditto.
15187 (rest_of_handle_cse2): Ditto.
15188 * web.c (rest_of_handle_web): Ditto.
15189 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15190 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15191 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15192 * tree-nrv.c (tree_nrv): Ditto.
15193 (execute_return_slot_opt): Ditto.
15194 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15195 (create_structure_vars): Ditto.
15196 * loop-init.c (rtl_loop_init): Ditto.
15197 (rtl_loop_done): Ditto.
15198 (rtl_move_loop_invariants): Ditto.
15199 (rtl_unswitch): Ditto.
15200 (rtl_unroll_and_peel_loops): Ditto.
15201 (rtl_doloop): Ditto.
15202 * gimple-low.c (lower_function_body): Ditto.
15203 (mark_used_blocks): Ditto.
15204 * tree-ssa-sink.c (execute_sink_code): Ditto.
15205 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15206 (cgraph_early_inlining): Ditto.
15207 * global.c (rest_of_handle_global_alloc): Ditto.
15208 * jump.c (cleanup_barriers): Ditto.
15209 (purge_line_number_notes): Ditto.
15210 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15211 (rest_of_handle_if_after_reload): Ditto.
15212 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15213 (tree_ssa_loop_im): Ditto.
15214 (tree_ssa_loop_unswitch): Ditto.
15215 (tree_vectorize): Ditto.
15216 (tree_linear_transform): Ditto.
15217 (tree_ssa_loop_ivcanon): Ditto.
15218 (tree_ssa_empty_loop): Ditto.
15219 (tree_ssa_loop_bounds): Ditto.
15220 (tree_complete_unroll): Ditto.
15221 (tree_ssa_loop_prefetch): Ditto.
15222 (tree_ssa_loop_ivopts): Ditto.
15223 (tree_ssa_loop_done): Ditto.
15224 * predict.c (tree_estimate_probability): Ditto.
15225 * recog.c (split_all_insns_noflow): Ditto.
15226 (rest_of_handle_peephole2): Ditto.
15227 (rest_of_handle_split_all_insns): Ditto.
15228 * tree-eh.c (lower_eh_constructs): Ditto.
15229 * regmove.c (rest_of_handle_regmove): Ditto.
15230 (rest_of_handle_stack_adjustments): Ditto.
15231 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15232 * function.c (instantiate_virtual_regs): Ditto.
15233 (init_function_for_compilation): Ditto.
15234 (rest_of_handle_check_leaf_regs): Ditto.
15235 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15236 (rest_of_handle_gcse): Ditto.
15237 * ipa-type-escape.c (type_escape_execute): Ditto.
15238 * alias.c (rest_of_handle_cfg): Ditto.
15239 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15240 * profile.c (rest_of_handle_branch_prob): Ditto.
15241 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15242 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15243 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15244 * tree-dfa.c (find_referenced_vars): Ditto.
15245 * except.c (set_nothrow_function_flags): Ditto.
15246 (convert_to_eh_region_ranges): Ditto.
15247 (rest_of_handle_eh): Ditto.
15248 * emit-rtl.c (unshare_all_rtl): Ditto.
15249 (remove_unnecessary_notes): Ditto.
15250 * except.h (set_nothrow_function_flags): Ditto.
15251 (convert_to_eh_region_ranges): Ditto.
15252 * cfgexpand.c (tree_expand_cfg): Ditto.
15253 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15254 * tree-ssa-pre.c (do_pre): Ditto.
15255 (execute_fre): Ditto.
15256 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15257 (rest_of_handle_jump2): Ditto.
15258 * tree-sra.c (tree_sra): Ditto.
15259 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15260 (execute_mudflap_function_decls): Ditto.
15261 * tree-ssa-copy.c (do_copy_prop): Ditto.
15262 (do_store_copy_prop): Ditto.
15263 * ipa-prop.h (ipcp_driver): Ditto.
15264 * cfglayout.c (insn_locators_initialize): Ditto.
15265 * tree-ssa-forwprop.c
15266 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15267 * cfglayout.h (insn_locators_initialize): Ditto.
15268 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15269 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15270 (execute_late_warn_uninitialized): Ditto.
15271 * rtl.h (cleanup_barriers): Ditto.
15272 (split_all_insns_noflow): Ditto.
15273 (purge_line_number_notes): Ditto.
15274 (unshare_all_rtl): Ditto.
15275 (remove_unnecessary_notes): Ditto.
15276 (recompute_reg_usage): Ditto.
15277 (variable_tracking_main): Ditto.
15278 * integrate.c (emit_initial_value_sets): Ditto.
15279 * integrate.h (emit_initial_value_sets): Ditto.
15280 * tree-optimize.c (execute_free_datastructures): Ditto
15281 (execute_free_cfg_annotations): Ditto.
15282 (execute_fixup_cfg): Ditto.
15283 (execute_cleanup_cfg_pre_ipa): Ditto.
15284 (execute_cleanup_cfg_post_optimizing): Ditto.
15285 (execute_init_datastructures): Ditto.
15286 * tree-object-size.c (compute_object_sizes): Ditto.
15287 * combine.c (rest_of_handle_combine): Ditto.
15288 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15289 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15290 (rest_of_handle_reorder_blocks): Ditto.
15291 (rest_of_handle_partition_blocks): Ditto.
15292 * var-tracking.c (variable_tracking_main): Ditto.
15293 * tree-profile.c (tree_profiling): Ditto.
15294 * tree-vect-generic.c (expand_vector_operations): Ditto.
15295 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15296 * sched-rgn.c (rest_of_handle_sched): Ditto.
15297 (rest_of_handle_sched2): Ditto.
15298 * basic-block.h (free_bb_insn): Ditto.
15299 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15300 * tree-cfg.c (execute_build_cfg): Ditto.
15301 (remove_useless_stmts): Ditto.
15302 (split_critical_edges): Ditto.
15303 (execute_warn_function_return): Ditto.
15304 (execute_warn_function_noreturn): Ditto.
15305 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15306 * cfgrtl.c (free_bb_for_insn): Ditto.
15307 * passes.c (execute_one_pass): Run additional
15308 todos returned by execute function.
15309 * tree-pass.h (struct tree_opt_pass): Make execute
15312 2006-03-02 Richard Guenther <rguenther@suse.de>
15314 * tree-ssa-alias.c (find_used_portions): Consider taking
15315 the address as making the variable not write-only.
15317 2006-03-02 Nick Clifton <nickc@redhat.com>
15319 * config.gcc (default_use_cxa_atexit): Extend the description of
15320 this configure variable. Set its default value to "yes" for
15321 Linux, NetBSD and ELF targets on the assumption that they will
15322 use C libraries with the __cxa_atexit function.
15324 2006-03-02 Ben Elliston <bje@au.ibm.com>
15326 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15327 parameter as unused to suppress a build warning.
15329 2006-03-02 Ben Elliston <bje@au.ibm.com>
15331 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15334 2006-03-01 Roger Sayle <roger@eyesopen.com>
15337 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15338 declared name, the weak reference name, and the typeof name.
15339 (__gthrw): Avoid expanding the declared name suffix.
15340 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15342 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15344 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15346 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15347 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15348 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15349 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15350 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15351 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15352 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15353 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15354 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15355 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15356 (DW_END_default, DW_END_big, DW_END_little): New.
15357 (DW_END_lo_user, DW_END_hi_user): Define.
15358 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15359 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15360 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15363 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15365 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15367 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15369 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15371 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15373 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15374 to 'symbol_mem_tag'.
15376 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15379 2006-03-01 Roger Sayle <roger@eyesopen.com>
15381 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15383 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15386 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15387 MACHO_DYNAMIC_NO_PIC_P.
15388 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15390 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15393 * config/darwin-protos.h (darwin_asm_output_anchor):
15395 * config/darwin-sections.def (cstring_section):
15396 Add SECTION_MERGE to the flags.
15397 (literal4_section): Likewise.
15398 (literal8_section): Likewise.
15399 (objc_selector_refs_section): Likewise.
15400 (objc_cls_refs_section): Likewise.
15401 * config/darwin.c (darwin_asm_output_anchor): New
15403 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15405 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15407 Fix PR tree-optimization/26443
15408 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15409 to todo and PROP_tmt_usage to properties_destroyed.
15410 * tree-ssa-ccp.c (pass_ccp): Ditto.
15411 (pass_store_ccp): Ditto.
15412 * tree-ssa-dom.c (pass_dominator): Ditto.
15414 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15416 * tree-ssa-operands.c: Cleanup whitespace.
15417 (get_asm_expr_operands): Move before first invocation.
15418 (get_indirect_ref_operands): Likewise.
15419 (get_tmr_operands): Likewise.
15420 (get_call_expr_operands): Likewise.
15421 (append_def): Likewise.
15422 (append_use): Likewise.
15423 (append_v_may_def): Likewise.
15424 (append_v_must_def): Likewise.
15425 (add_call_clobber_ops): Likewise.
15426 (add_call_read_ops): Likewise.
15427 (add_stmt_operand): Likewise.
15428 (add_virtual_operand): Likewise.
15429 (build_ssa_operands): Likewise.
15431 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15433 PR middle-end/26022
15435 PR middle-end/24437
15436 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15437 with a call expr to ...
15438 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15440 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15442 * tree-vrp.c (extract_range_from_assert): Remove special
15443 handling for types with super-types.
15445 2006-03-01 Ben Elliston <bje@au.ibm.com>
15447 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15448 and powerpc64-*-linux* configurations.
15449 * config/t-dfprules: New file.
15451 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15452 Compile dfp-bit.c from the source directory using -DWIDTH and
15453 $DFP_CFLAGS to control the compilation of that file, rather than
15454 generating width-specific versions in the build directory.
15455 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15456 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15458 2006-02-28 Zack Weinberg <zackw@panix.com>
15460 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15463 2006-02-28 Eric Christopher <echristo@apple.com>
15465 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15466 Set up IN_LIBGCC definition of TARGET_64BIT.
15467 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15469 2006-02-28 Roger Sayle <roger@eyesopen.com>
15471 PR middle-end/14752
15472 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15473 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15474 cases via the construction of "expr != 0".
15476 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15478 * alias.c (alias_invariant, alias_invariant_size): Remove.
15479 (record_base_value): Remove.
15480 (memrefs_conflict_p): Don't look at alias_invariant.
15481 (end_alias_analysis): Don't free it.
15482 * alias.h (record_base_value): Remove prototype.
15484 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15485 Adam Nemet <anemet@caviumnetworks.com>
15487 * rtl.h (truncated_to_mode): Declare it.
15488 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15489 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15490 (RTL_HOOKS_INITIALIZER): Include it.
15491 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15492 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15493 reg_truncated_to_mode.
15494 * rtlanal.c (truncated_to_mode): Define it.
15495 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15497 2006-02-28 Jeff Law <law@redhat.com>
15499 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15500 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15501 the range allowed by TYPE_PRECISION.
15503 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15505 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15507 PR tree-optimization/26419
15508 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15511 2006-02-27 Zack Weinberg <zackw@panix.com>
15513 * doc/md.texi: Fix typo in previous change.
15515 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15519 2006-02-27 Zack Weinberg <zackw@panix.com>
15521 * rtl.def (define_constraint, define_register_constraint)
15522 (define_memory_constraint, define_address_constraint): New MD forms.
15523 * gensupport.c (process_rtx): Put define_constraint etc on the
15525 * genpreds.c (process_define_predicate): Adjust comment. Validate
15526 the name, and call validate_exp to validate the expression.
15527 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15528 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15529 all callers changed.
15530 (validate_exp, needs_variable, struct constraint_data)
15531 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15532 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15533 (const_dbl_constraints, constraint_max_namelen)
15534 (have_register_constraints, have_memory_constraints)
15535 (have_address_constraints, have_address_constraints)
15536 (have_extra_constraints, have_const_int_constraints)
15537 (have_const_dbl_constraints, mangle, add_constraint)
15538 (process_define_constraint, process_define_register_constraint)
15539 (write_enum_constraint_num, write_lookup_constraint)
15540 (write_insn_constraint_len, write_regclass_for_constraint)
15541 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15542 (write_insn_extra_memory_constraint)
15543 (write_insn_extra_address_constraint)
15544 (write_satisfies_constraint_fns): New.
15545 (write_tm_preds_h): If we have new-style constraint definitions,
15546 prototype the functions generated from them, and define the
15547 old constraint interface (still used by generic code) in terms of
15549 (write_insn_preds_c): If we have new-style constraint definitions,
15550 generate all relevant functions from those definitions.
15551 (main): Handle define_constraint etc.
15552 * genoutput.c (struct constraint_data, indep_constraints)
15553 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15554 (mdep_constraint_len): New data structures and functions, defined
15555 #ifdef USE_MD_CONSTRAINTS.
15556 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15557 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15558 use new logic to validate operand constraints against constraint
15560 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15562 * defaults.h: If none of the old-style constraint macros are
15563 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15564 old-style macros; and poison REG_CLASS_FROM_LETTER,
15565 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15567 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15568 * doc/md.texi: Document new constraint-definition mechanism and the
15569 C interface it provides. Remove references to old mechanism
15570 elsewhere in the document.
15571 (Machine Constraints): Use pathnames relative to gcc directory,
15572 i.e. config/ARCH/FILE. Change i386 section to refer to
15573 config/i386/predicates.md; update that section to match docstrings.
15574 * doc/tm.texi: Move all documentation of the old constraint-
15575 definition macros to their own section, clearly mark as obsolete.
15577 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15578 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15580 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15581 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15582 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15583 constraint strings.
15584 (splits and peepholes): Use satisfies_constraint_*.
15585 * config/i386/i386.c (memory_address_length)
15586 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15588 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15590 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15591 scalar operation to be put back into the loop.
15593 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15596 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15597 (extract_cie_info): Handle S flag in augmentation string.
15598 (execute_cfa_program): If context->signal_frame, execute also
15599 fs->pc == context->ra instructions.
15600 (uw_frame_state_for): If context->signal_frame, don't subtract one
15601 from context->ra to find FDE.
15602 (uw_update_context_1): Set context->signal_frame to
15604 (_Unwind_GetIPInfo): New function.
15605 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15606 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15608 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15609 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15610 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15611 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15612 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15613 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15614 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15615 x86_64_fallback_frame_state): Set fs->signal_frame.
15616 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15617 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15618 (frob_update_context): Likewise. Workaround missing S flag in
15619 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15620 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15621 Remove the psw_addr + 1 hack.
15623 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15625 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15626 with aggregates here.
15627 (find_func_aliases): Remove code for &<aggregate> from here.
15629 2006-02-26 Roger Sayle <roger@eyesopen.com>
15631 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15632 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15633 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15634 as (X & C) ne/eq 0.
15636 2006-02-26 Roger Sayle <roger@eyesopen.com>
15638 PR middle-end/19983
15639 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15641 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15643 * opts.c (decode_options): Do not handle flag_strength_reduce.
15644 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15645 and OPT_fstrength_reduce.
15646 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15647 flag_prefetch_loop_arrays for being nonzero.
15648 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15650 (fprefetch-loop-arrays-rtl): Removed.
15651 (flag_prefetch_loop_arrays): Do not specify the value.
15653 * doc/passes.texi: Update documentation of loop optimizer
15655 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15656 -frerun-loop-opt): Remove.
15658 2006-02-26 Richard Guenther <rguenther@suse.de>
15660 PR tree-optimization/26421
15661 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15662 in function calls that are ADDR_EXPRs as using the whole structure.
15664 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15666 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15667 * tree-pass.h (pass_loop_optimize): Remove.
15668 * passes.c (pass_loop_optimize): Never run it.
15669 * toplev.c (backend_init): Don't call init_loop.
15670 * opts.c (flag_loop_optimize_set): Remove.
15671 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15672 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15673 the old RTL loop optimizer when profiling enabled.
15674 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15675 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15676 pre-headers for the sake of the old RTL loop optimizer.
15677 * Makefile.in: Remove all references to loop.o.
15679 * doc/invoke.texi: Remove all references to -floop-optimize
15680 and -frerun-loop-opt.
15682 2006-02-26 Zack Weinberg <zackw@panix.com>
15684 * doc/md.texi (Machine Constraints): Refer to all files with paths
15685 relative to gcc directory (i.e. config/CPU/file). Add missing
15686 @table @code ... @end table to M32C subsection.
15688 2006-02-26 Roger Sayle <roger@eyesopen.com>
15690 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15692 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15694 2006-02-26 Roger Sayle <roger@eyesopen.com>
15695 James A. Morrison <phython@gcc.gnu.org>
15697 PR middle-end/21137
15698 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15699 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15700 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15701 signedness of the shift operation.
15703 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15705 PR tree-optimization/26359
15706 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15708 2006-02-25 Roger Sayle <roger@eyesopen.com>
15710 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15711 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15712 as X == 0, and some symmetry related transformations.
15713 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15715 2006-02-25 Roger Sayle <roger@eyesopen.com>
15717 PR middle-end/23673
15718 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15719 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15720 symmetry related transformations. Fold (X^C1) == C2 as
15723 2006-02-25 Juergen Weigert <jw@suse.de>
15724 Richard Guenther <rguenther@suse.de>
15726 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15728 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15730 * combine.c (gen_lowpart_or_truncate): Call
15731 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15733 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15735 * doc/invoke.texi: Move -fopenmp description to "Options for
15737 Remove reference to -lgomp.
15739 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15741 * doc/install.texi: Require GNU tar version 1.14.
15743 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15745 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15746 * doc/invoke.texi (C++ Dialect Options): Document
15747 -fno-use-cxa-get-exception-ptr.
15748 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15749 * configure: Regenerate.
15750 * c.opt (fuse-cxa-get-exception-ptr): New.
15751 * c-opts.c (c_common_handle_option): Handle
15752 OPT_fuse_cxa_get_exception_ptr.
15753 * c-common.c (flag_use_cxa_atexit): Update documentation.
15754 (flag_use_cxa_get_exception_ptr): New.
15755 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15756 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15758 (C_COMMON_OVERRIDE_OPTIONS): New.
15760 2006-02-24 Roger Sayle <roger@eyesopen.com>
15762 PR middle-end/24952
15763 * combine.c (try_combine): Explicitly check whether GET_CODE is
15764 a SET or a CLOBBER, instead on checking that it isn't a USE.
15766 2006-02-24 Roger Sayle <roger@eyesopen.com>
15768 * fold-const.c (fold_comparison): New subroutine of fold_binary
15769 containing transformations common to both the equality and
15770 ordering relational operators, factored out of fold_binary.
15771 (fold_binary): Separate out the equality operators (EQ_EXPR
15772 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15773 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15774 transformations common to both.
15775 (fold_div_compare): Fix latent bugs in the previously unreachable
15776 LT_EXPR and GE_EXPR cases.
15778 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15780 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15781 decl libname for clog to __clog on AIX.
15783 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15785 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15788 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15789 output traceback table for thunks. Localise rs6000_stack_info call.
15791 2006-02-23 Roger Sayle <roger@eyesopen.com>
15792 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15794 * gthr-posix.h (__gthrw): Fix typo in comment.
15796 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15798 * doc/cpp.texi (Character sets): Document that we do support
15799 input files to be in any character set.
15801 2006-02-23 Jeff Law <law@redhat.com>
15803 * tree.h (PHI_ARG_NONZERO): Remove.
15804 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15805 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15806 node to the new node.
15808 PR tree-optimization/26425
15809 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15810 min/max, then assume its varying.
15812 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15814 PR rtl-optimization/26316
15815 * rtlanal.c (enum may_trap_p_flags): New.
15816 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15817 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15818 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15819 (may_trap_after_code_motion_p): New function.
15820 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15821 (find_invariant_insn): Use may_trap_after_code_motion_p.
15822 * rtl.h (may_trap_after_code_motion_p): Declare.
15824 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15826 * emit-rtl.c (immed_double_const): Cleanup.
15828 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15830 Fix PR tree-optimization/26376
15831 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15834 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15836 PR middle-end/26412
15837 * gimplify.c (omp_add_variable): Guard variable size decl test with
15838 DECL_SIZE (decl) check.
15840 2006-02-23 Richard Guenther <rguenther@suse.de>
15842 PR middle-end/26439
15843 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15844 like aggregate types.
15846 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15848 * configure.ac: Add --with{,out}-long-double-128 configure option.
15849 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15850 * configure: Rebuilt.
15851 * config.in: Rebuilt.
15852 * doc/install.texi (Options specification): Document
15853 --with-long-double-128.
15855 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15856 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15857 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15858 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15860 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15862 * config/s390/s390.c (override_options): Handle
15863 TARGET_DEFAULT_LONG_DOUBLE_128.
15865 * config/alpha/alpha.c (override_options): Handle
15866 TARGET_DEFAULT_LONG_DOUBLE_128.
15868 * config/sparc/sparc.c (sparc_override_options): Handle
15869 TARGET_DEFAULT_LONG_DOUBLE_128.
15871 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15873 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15874 (real-install-headers-tar, real-install-headers-cpio)
15875 (real-install-headers-cp): New targets.
15877 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15879 * tree.h (variable_section): Delete.
15880 * varasm.c (variable_section): Delete.
15882 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15884 * install.texi: Add notes on install.texi2html.
15885 (Building in parallel): Do not use footnotes.
15887 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15890 * doc/install.texi (Configuration): Document --disable-libgomp.
15892 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15894 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15896 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15898 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15899 (vec_extractv2df_0_sse): New.
15901 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15903 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15904 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15905 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15906 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15907 to the result of the expression.
15908 (def_cfa_1): Adjust.
15909 (frame_pointer_cfa_offset): Rename to...
15910 (frame_pointer_fb_offset): ... this. Adjust all uses.
15911 (convert_cfa_to_loc_list): Rename to...
15912 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15913 Pass it on to build_cfa_loc.
15914 (compute_frame_pointer_to_cfa_displacement): Rename to...
15915 (compute_frame_pointer_to_fb_displacement): ... this. New
15916 offset parameter. Use it in computation.
15917 (gen_subprogram_die): Compute cfa_fb_offset with the new
15918 macro, and use it to compute the fb loc list and the
15921 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15923 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15924 replaced with register_operand.
15925 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15926 non-DREG is expensive.
15927 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15928 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15931 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15933 * doc/install.texi2html: Use set -e.
15935 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15937 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15938 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15939 * doc/invoke.texi (-fshared-data): Delete.
15940 * common.opt (fshared-data): Delete.
15941 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15942 (assemble_static_space): Remove #if 0 code.
15943 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15944 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15945 * config/cris/cris.h: Remove FIXME.
15947 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15949 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15952 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15954 PR middle-end/26379
15955 * combine.c (simplify_shift_const_1): Disable nested shifts
15956 optimization for vector shifts.
15958 2006-02-20 Roger Sayle <roger@eyesopen.com>
15960 PR tree-optimization/26361
15961 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15962 of unsigned integer types.
15964 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15966 * tree-chrec.c (eq_evolutions_p): New.
15967 * tree-chrec.h (eq_evolutions_p): Declared.
15968 * tree-data-ref.c: Fix formatting.
15969 (datadep_stats, dependence_stats): New.
15971 (print_direction_vector): New.
15972 (dump_data_dependence_relation): Use print_direction_vector.
15973 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15974 (compute_subscript_distance): Static.
15975 (initialize_data_dependence_relation): Static. Get the number
15976 of loops surrounding the references from the callers, and initialize
15977 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15978 base_object_differ_p analyzers.
15979 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15980 compute_overlap_steps_for_affine_1_2,
15981 analyze_subscript_affine_affine): Count the classified dependences.
15982 Print a message when a test failed.
15983 (can_use_analyze_subscript_affine_affine): New.
15984 (analyze_siv_subscript): Compute the data dependences on symbolic
15985 scevs that verify can_use_analyze_subscript_affine_affine.
15986 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15987 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
15988 Handle symbolic scevs.
15989 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15991 (subscript_dependence_tester): Moved...
15992 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15993 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15994 DDR_SIZE_VECT instead of getting it in parameter.
15995 (subscript_dependence_tester): ... here. Take as a parameter
15996 loop_nest_depth. Call build_classic_dist_vector and
15997 build_classic_dir_vector.
15998 (compute_affine_dependence): Update subscript_dependence_tester
15999 parameters. Update datadep_stats counters. Call
16000 compute_subscript_distance.
16001 (compute_self_dependence): Save the dist and dir vectors. Call
16002 compute_subscript_distance.
16003 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16004 (compute_all_dependences): Reorder parameters as they were before
16005 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16006 compute_subscript_distance. Update the use of
16007 compute_affine_dependence and initialize_data_dependence_relation.
16008 (find_data_references_in_loop): Handle COMPONENT_REF.
16009 (compute_data_dependences_for_loop): Initialize dependence_stats.
16010 Don't call build_classic_dist_vector and build_classic_dir_vector.
16011 Update the parameters of initialize_data_dependence_relation and
16012 compute_all_dependences. Print the statistics from datadep_stats.
16013 (analyze_all_data_dependences): Static. Not used until the pass for
16014 checking the data dependences is contributed.
16015 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16016 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16017 (initialize_data_dependence_relation, compute_affine_dependence,
16018 analyze_all_data_dependences, compute_subscript_distance): Removed.
16019 (print_direction_vector): New.
16020 * lambda.h (gcd): ... here.
16021 (lambda_vector_gcd): Moved here from gcd_vector.
16022 * lambda-code.c (gcd, gcd_vector): Removed.
16023 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16024 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16026 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16028 * ipa-type-escape.c: Tidy some comments and white space.
16029 * tree-ssa-operands.c: Likewise.
16031 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16034 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16035 (dump_decl_name): Do not walk the decl tree chains.
16036 * tree-pass.h (TDF_CHAIN): Remove.
16038 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16040 * Makefile.in (C): Remove
16042 (.PHONY): Remove C and PROTO
16044 2006-02-20 Roger Sayle <roger@eyesopen.com>
16046 PR middle-end/26236
16047 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16048 deprecated CHAR_TYPE tree code.
16050 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16052 * configure.ac (target_list): Add install-info, dvi, html.
16053 * configure: Regenerate.
16055 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16056 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16057 treelang/Make-lang.in: Do not use double-colon rules.
16059 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16061 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16062 (TMT_USED_ALONE): New macro.
16063 * tree-pass.h (PROP_tmt_usage): New property.
16064 (TODO_update_tmt_usage): New todo.
16065 * tree-ssa-alias.c (updating_used_alone): New variable.
16066 (recalculate_used_alone): New function.
16067 (compute_may_aliases): Set updating_used_alone, call
16068 recalculate_used_alone.
16069 * tree-sra.c (pass_sra): Note that this pass destroys
16070 PROP_tmt_usage, and add TODO_update_tmt_usage.
16071 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16072 * tree-flow.h (updating_used_alone): Prototype.
16073 (recalculate_used_alone): Ditto.
16074 * passes.c (execute_todo): Add code to set updating_used_alone,
16075 and call recalculate.
16076 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16077 for clobber if used alone, and add assert to verify used_alone
16080 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16082 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16083 for non tls symbols added.
16084 (legitimize_address): Do nothing for PLUS expressions if one of the
16085 addends is a tls symbol reference.
16087 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16091 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16093 * Makefile.in (BOOTSTRAPPING): New.
16094 (quickstrap): New definition if BOOTSTRAPPING=yes.
16096 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16097 * configure.ac: Substitute all_selected_languages with the languages
16098 that were configured. For all the other variables except
16099 lang_specs_files, include all the languages in the tree.
16100 * configure: Regenerate.
16102 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16103 if there is one. Run the commands to run fixincludes in the same
16106 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16107 * doc/install.texi: Document exact conventions for searching target tools.
16108 Document --with-build-time-tools. Document toplevel bootstrap. Document
16109 something more about building an Ada cross-compiler. Don't list GNU Make
16110 requirements which affect all platforms.
16112 2006-02-19 Roger Sayle <roger@eyesopen.com>
16114 PR middle-end/19543
16115 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16116 only equivalent if the have both the same mode and precision.
16118 2006-02-20 Ben Elliston <bje@au.ibm.com>
16120 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16122 2006-02-19 Roger Sayle <roger@eyesopen.com>
16123 Steven Bosscher <stevenb.gcc@gmail.com>
16125 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16126 constant pool references to identify stack mode constants.
16127 * rtlanal.c (constant_pool_constant_p): New predicate to check
16128 whether operand is a floating point constant in the pool.
16129 * rtl.h (constant_pool_constant_p): Prototype here.
16130 * loop.c (scan_loop): Avoid hoisting constants from the constant
16131 pool on STACK_REGS targets.
16132 (load_mems): Likewise.
16133 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16134 loads into x87 registers expensive in terms of register pressure.
16136 2006-02-19 Roger Sayle <roger@eyesopen.com>
16138 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16139 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16141 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16143 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16144 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16146 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16148 * doc/invoke.texi: Document -fipa-pta.
16149 * common.opt: Add ipa-pta option.
16150 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16151 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16152 (do_ds_constraint): Ditto.
16153 (get_constraint_for): Only add to referenced_vars if
16154 referenced_vars exists.
16155 (insert_into_field_list): Rewrite to do this unsorted.
16156 (insert_into_field_list_sorted): Rename old insert_into_field_list
16158 (create_function_info_for): Use insert_into_field_list_sorted.
16159 (create_variable_info_for): Rewrite so it uses unsorted version,
16160 since the field list is sorted.
16161 (intra_create_variable_infos): Only add to referenced_vars if
16162 referenced_vars exists.
16163 (ipa_pta_execute): Init heapvars, and delete when done.
16164 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16166 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16168 * doc/install.texi: Add missing `@samp'.
16170 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16172 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16175 2006-02-18 Mark Wielaard <mark@klomp.org>
16177 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16178 who added new 4.1 features, bug fixes and integration support.
16180 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16183 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16184 MEM for ABI_V4 pic.
16186 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16188 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16189 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16190 (copy_insn_1): Likewise. Don't copy each field individually.
16192 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16194 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16195 * rtl.c (rtx_size): Rename variable to...
16196 (rtx_code_size): ...this.
16197 (rtx_size): New function.
16198 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16199 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16201 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16202 * rtl.h (rtx_code_size): New variable.
16203 (rtx_size): Change from a variable to a function.
16204 (RTX_SIZE): Rename to...
16205 (RTX_CODE_SIZE): ...this.
16208 PR tree-optimization/17106
16209 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16210 (Anchored Addresses): New section.
16211 * doc/invoke.texi (-fsection-anchors): Document.
16212 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16213 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16214 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16215 * hooks.c (hook_bool_mode_rtx_false): New function.
16216 * hooks.h (hook_bool_mode_rtx_false): Declare.
16217 * gengtype.c (create_optional_field): New function.
16218 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16219 SYMBOL_REF_IN_BLOCK_P is true.
16220 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16221 (min_anchor_offset, max_anchor_offset): Likewise.
16222 (use_anchors_for_symbol_p): New hook.
16223 * toplev.c (compile_file): Call output_object_blocks.
16224 (target_supports_section_anchors_p): New function.
16225 (process_options): Check that -fsection-anchors is only used on
16226 targets that support it and when -funit-at-a-time is in effect.
16227 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16228 if the decl doesn't have one.
16229 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16230 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16231 of force_const_mem through use_anchored_address.
16232 (expand_expr_constant): New function.
16233 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16234 calling expand_expr for INDIRECT_REF.
16235 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16236 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16237 * expr.h (use_anchored_address): Declare.
16238 * loop-unroll.c: Don't declare rtx vectors here.
16239 * explow.c: Include output.h.
16240 (validize_mem): Call use_anchored_address.
16241 (use_anchored_address): New function.
16242 * common.opt (-fsection-anchors): New switch.
16243 * varasm.c (object_block_htab, anchor_labelno): New variables.
16244 (hash_section, object_block_entry_eq, object_block_entry_hash)
16245 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16246 (use_blocks_for_decl_p, change_symbol_section): New functions.
16247 (get_variable_section): New function, split out from assemble_variable.
16248 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16249 use_blocks_for_decl_p say so. Use change_symbol_section if the
16250 symbol has already been created.
16251 (assemble_variable_contents): New function, split out from...
16252 (assemble_variable): ...here. Don't output any code for
16253 block symbols; just pass them to place_block_symbol.
16254 Use get_variable_section and assemble_variable_contents.
16255 (get_constant_alignment, get_constant_section, get_constant_size): New
16256 functions, split from output_constant_def_contents.
16257 (build_constant_desc): Create a block symbol if use_object_blocks_p
16258 says so. Or into SYMBOL_REF_FLAGS.
16259 (assemble_constant_contents): New function, split from...
16260 (output_constant_def_contents): ...here. Don't output any code
16261 for block symbols; just pass them to place_section_symbol.
16262 Use get_constant_section and get_constant_alignment.
16263 (force_const_mem): Create a block symbol if use_object_blocks_p and
16264 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16265 (output_constant_pool_1): Add an explicit alignment argument.
16266 Don't switch sections here.
16267 (output_constant_pool): Adjust call to output_constant_pool_1.
16268 Switch sections here instead. Don't output anything for block symbols;
16269 just pass them to place_block_symbol.
16270 (init_varasm_once): Initialize object_block_htab.
16271 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16272 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16273 (place_block_symbol, get_section_anchor, output_object_block)
16274 (output_object_block_htab, output_object_blocks): New functions.
16275 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16276 (TARGET_ASM_OUT): Include it.
16277 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16278 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16279 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16280 (TARGET_INITIALIZER): Include them.
16281 * rtl.c (rtl_check_failed_block_symbol): New function.
16282 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16283 (block_symbol, object_block): New structures.
16284 (rtx_def): Add a block_symbol field to the union.
16285 (BLOCK_SYMBOL_CHECK): New macro.
16286 (rtl_check_failed_block_symbol): Declare.
16287 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16288 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16289 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16290 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16291 * output.h (output_section_symbols): Declare.
16292 (object_block): Name structure.
16293 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16294 (default_use_anchors_for_symbol_p): Declare.
16295 * Makefile.in (RTL_BASE_H): Add vec.h.
16296 (explow.o): Depend on output.h.
16297 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16298 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16299 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16300 (rs6000_use_blocks_for_constant_p): New function.
16302 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16304 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16306 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16309 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16312 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16314 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16318 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16320 PR middle-end/26334
16321 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16322 instead of DECL_REGISTER.
16324 2006-02-18 Olivier Hainque <hainque@adacore.com>
16327 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16329 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16332 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16333 * opth-gen.awk: Handle Var and InverseMask together.
16334 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16335 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16336 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16337 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16339 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16340 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16341 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16342 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16343 LINUX_DYNAMIC_LINKER): Define.
16344 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16345 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16347 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16348 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16349 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16350 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16351 (TARGET_C99_FUNCTIONS): Don't define.
16352 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16353 GLIBC_DYNAMIC_LINKER.
16354 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16355 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16356 GLIBC_DYNAMIC_LINKER64): Define.
16357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16358 LINUX_DYNAMIC_LINKER64.
16359 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16360 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16361 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16362 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16363 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16365 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16366 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16367 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16369 and LINUX_DYNAMIC_LINKER32.
16370 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16372 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16374 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16376 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16377 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16378 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16379 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16380 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16381 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16382 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16383 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16384 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16385 LINUX_DYNAMIC_LINKER): Define.
16386 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16387 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16388 GLIBC_DYNAMIC_LINKER64): Define.
16389 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16390 LINUX_DYNAMIC_LINKER64.
16391 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16392 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16393 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16394 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16395 LINUX_DYNAMIC_LINKER): Define.
16396 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16397 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16398 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16399 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16400 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16401 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16402 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16403 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16404 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16405 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16407 * doc/invoke.texi (-muclibc): Remove caveat about supported
16410 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16412 * doc/cpp.texi (__TIMESTAMP__): Document.
16414 2006-02-17 Roger Sayle <roger@eyesopen.com>
16416 PR middle-end/25600
16417 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16418 C is one less than the width of X (and related transformations).
16419 * simplify-rtx.c (simplify_unary_operation_1): Transform
16420 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16421 depending on STORE_FLAG_VALUE, were C is one less then the
16424 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16426 Fix PR tree-optimization/26341
16427 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16428 about NAME_MEMORY_TAG's.
16430 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16433 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16434 with hardware float support, and software float support. Add fcpy
16435 alternative to hardware patterns. Add alternatives to copy between
16436 general and floating-point registers to the 32-bit pattern.
16437 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16438 secondary reload to load a QI or HI mode constant into a floating
16440 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16441 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16443 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16446 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16448 (load_macho_picbase_di): Likewise.
16450 2006-02-16 Jeff Law <law@redhat.com>
16452 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16453 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16454 (ssa_name_nonzero_p): Likewise.
16455 (get_value_range): Return NULL if VRP is not running.
16456 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16457 VRP routines do not discover a range.
16458 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16459 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16460 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16461 (tree_expr_nonnegative_p): Similarly.
16462 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16463 (restore_nonzero_vars_to_original_value): Remove.
16464 (unsafe_associative_fp_binop): Remove.
16465 (tree_ssa_dominator_optimize): Remove initialization and
16466 finalization of nonzero_vars and nonzero_vars_stack.
16467 (dom_opt_initialize_block): No longer push marker on
16468 nonzero_vars_stack.
16469 (dom_opt_finalize_block): No longer call
16470 restore_nonzero_vars_to_original_value.
16471 (record_equivalences_from_phis): No longer look for
16472 nonzero PHI arguments.
16473 (cprop_into_successor_phis): No longer propagate nonzero
16474 property into PHI arguments. Lose unused argument. Caller
16476 (record_equivalences_from_stmt): No longer record nonzero
16477 values for SSA_NAMEs.
16478 (lookup_avail_expr): No longer use nonzero_vars.
16480 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16481 for sizetype when sizetype is unsigned.
16483 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16485 PR rtl-optimization/25603
16486 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16487 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16488 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16489 with new meaning of SETS.
16491 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16496 * config/linux.opt: New file.
16497 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16498 LINUX_DYNAMIC_LINKER): Define.
16499 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16500 * config.gcc (*-*-linux*): Define extra_options.
16501 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16502 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16503 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16504 GLIBC_DYNAMIC_LINKER.
16505 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16506 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16507 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16509 * doc/invoke.texi (GNU/Linux Options): New section.
16511 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16513 * config/sparc/sparc.md (setjmp): Rewrite.
16514 (setjmp_32): Delete.
16515 (setjmp_64): Likewise.
16517 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16519 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16522 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16524 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16527 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16529 PR rtl-optimization/26296
16530 * Makefile.in (loop-invariant.c): Add except.h dependency.
16531 * loop-invariant.c: Include except.h.
16532 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16534 2005-02-16 Paul Brook <paul@codesourcery.com>
16536 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16539 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16541 PR rtl-optimization/25636
16542 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16543 when deciding whether an insn is an initializing insn.
16545 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16547 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16548 (tree_code_size): Ditto.
16549 * tree.h (struct tree_memory_tag): Remove parent_var.
16550 (struct tree_struct_field_tag): New.
16553 (union tree_node): Add sft member.
16554 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16556 (create_sft): Add size and offset argument, set SFT_OFFSET and
16558 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16559 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16560 * tree-flow-inline.h (get_subvar_at): Update for
16561 SFT_OFFSET/SFT_SIZE.
16562 (var_can_have_subvars): Ditto.
16563 (overlap_subvar): Ditto.
16564 * print-tree.c (print_node): Print out interesting things for
16566 * tree-flow.h (struct subvar): Remove offset and size members.
16567 * tree-ssa-operands.c (get_expr_operands): Update for
16568 get_indirect_ref_operands changes.
16569 (get_indirect_ref_operands): Call add_virtual_operand instead of
16570 add_stmt_operand. Only recurse on base var if requested.
16571 (access_can_touch_variable): New function.
16572 (add_stmt_operand): Split virtual operand handling into ...
16573 (add_virtual_operand): Here. Add offset, size, and for_clobber
16574 arguments. Prune alias sets.
16575 (add_call_clobber_ops): Call add_virtual_operand.
16577 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16579 PR middle-end/26300
16580 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16582 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16583 than TREE_CODE as index into omp_clause_num_ops array.
16585 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16587 PR rtl-optimization/26184
16588 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16590 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16591 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16592 must_precede, must_follow and tobe_scheduled.
16595 * opts.c (common_handle_option): Free new_option pointer.
16596 * df-core.c (df_analyze): Free postorder pointer.
16598 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16600 * Makefile.in: Fix the examples about the use of stamps
16602 2006-02-15 Michael Matz <matz@suse.de>
16604 PR middle-end/22275
16606 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16607 influenced by maximum_field_alignment or DECL_PACKED.
16608 (update_alignment_for_field): Ditto.
16609 (place_field): Ditto.
16610 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16613 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16615 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16616 (debug_flow_info): Pass it.
16617 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16618 * bb-reorder.c (reorder_basic_blocks): Likewise.
16619 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16620 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16621 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16622 * gcse.c (gcse_main, bypass_jumps): Likewise.
16623 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16624 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16625 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16626 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16627 * rtl.h (dump_flow_info): Adjust prototype.
16628 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16629 * var-tracking.c (variable_tracking_main): Likewise.
16630 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16631 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16634 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16636 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16639 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16641 PR tree-optimization/26209
16642 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16643 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16645 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16647 2006-02-14 Roger Sayle <roger@eyesopen.com>
16649 PR middle-end/23670
16650 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16651 (X,Y) and the corresponding symmetry related transformations.
16652 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16653 (X,Y) and its symmetry related transformations.
16655 2006-02-14 Roger Sayle <roger@eyesopen.com>
16657 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16660 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16662 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16664 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16667 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16668 support COMDAT group.
16669 * configure: Regenerate.
16671 2006-02-14 Roger Sayle <roger@eyesopen.com>
16673 PR middle-end/26279
16674 PR middle-end/26280
16675 PR middle-end/26283
16676 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16678 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16680 Fix PR tree-optimization/26260
16682 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16684 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16685 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16686 * tree-ssa-structalias.c (create_variable_info_for): Use
16687 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16689 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16691 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16693 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16694 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16695 of the ending condition.
16696 * tree-ssa-loop-manip.c: Include params.h.
16697 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16698 tree_unroll_loop): New functions.
16699 * tree-pass.h (pass_loop_prefetch): Declare.
16700 * loop.c (rest_of_handle_loop_optimize): Test for
16701 -fprefetch-loop-arrays-rtl.
16702 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16703 * timevar.def (TV_TREE_PREFETCH): New timevar.
16704 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16705 pass_loop_prefetch): New.
16706 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16707 (cleanup_tree_cfg_loop): Call scev_reset.
16708 * common.opt (fprefetch-loop-arrays-rtl): Add.
16709 * tree-ssa-loop-prefetch.c: New file.
16710 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16711 (new_temp_expr_table): Initialize expr_vars.
16712 (free_temp_expr_table): Cleanup expr_vars.
16713 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16714 expressions from being merged into one.
16715 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16716 (struct tree_niter_desc): Add control, bound and cmp fields.
16717 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16719 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16720 (tree-cfgcleanup.o): Add SCEV_H dependency.
16721 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16722 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16724 2006-02-14 Richard Guenther <rguenther@suse.de>
16726 PR tree-optimization/26258
16727 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16728 in PHI argument processing.
16730 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16732 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16733 new expression in the requested machine mode.
16735 2006-02-13 Roger Sayle <roger@eyesopen.com>
16737 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16738 directly, instead let do_compare_rtx_and_jump handle this for us.
16739 * expr.c (expand_expr_real_1): Likewise.
16740 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16741 before do_jump_by_parts_greater.
16742 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16743 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16745 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16747 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16749 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16751 PR rtl-optimization/26235
16752 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16753 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16756 2006-02-13 Jeff Law <law@redhat.com>
16758 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16761 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16763 PR middle-end/26092
16764 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16765 twice if decl is a builtin. When trying again, call get_callee_fndecl
16766 first to verify it is still a builtin.
16768 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16770 * dwarf2out.c (base_type_die): Don't add AT_name here.
16771 (subrange_type_die): Don't add AT_name here.
16772 (modified_type_die): Rearrange code flow. Do add AT_name here.
16774 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16776 PR rtl-optimization/26247
16777 PR rtl-optimization/26248
16778 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16780 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16782 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16783 * config/fixtfdi.c: Likewise.
16784 * config/fixunstfdi.c: Likewise.
16785 * config/floatditf.c: Likewise.
16787 2006-02-13 Roger Sayle <roger@eyesopen.com>
16789 PR middle-end/24427
16790 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16791 into (X,C2) if C1 is a subset of the bits of C2. Transform
16792 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16794 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16796 2006-02-13 Josh Conner <jconner@apple.com>
16799 * varasm.c (function_section): Check for section name before
16800 calling select_section on targets that define
16801 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16802 unlikely_text_section instead of hot_function_section if
16803 first_function_block_is_cold.
16805 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16807 PR middle-end/25335
16808 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16810 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16812 PR rtl-optimization/26222
16813 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16814 after tree->rtl expansion.
16815 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16816 before passing it to emit_move_insn.
16818 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16820 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16822 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16823 Clarify documentation.
16824 * c-common.h (warn_write_strings): Remove.
16825 * c-common.c (warn_write_strings): Likewise.
16826 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16829 2006-02-12 Roger Sayle <roger@eyesopen.com>
16831 PR middle-end/25724
16832 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16833 (do_jump_parts_zero_rtx): New function renamed from
16834 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16835 (do_jump_parts_equality_rtx): New function split out from
16836 do_jump_parts_equality. Old implementation renamed as above.
16837 Call do_jump_parts_zero_rtx if either operand is zero.
16838 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16839 do all of the heavy lifting.
16840 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16841 calling either do_jump_by_parts_greater_rtx or
16842 do_jump_by_parts_equality_rtx.
16843 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16844 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16845 moved to do_compare_rtx_and_jump, call it directly.
16846 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16847 mode argument. Call do_compare_rtx_and_jump.
16848 (emit_case_nodes): Update calls to do_jump_if_equal.
16850 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16852 PR rtl-optimization/26225
16853 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16855 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16857 PR rtl-optimization/26232
16858 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16860 2006-02-11 Jason Merrill <jason@redhat.com>
16863 * tree-inline.c (declare_return_variable): Just don't use the
16864 modify target if it's a gimple complex reg and the return slot
16867 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16869 * doc/contrib.texi: Update my entry.
16871 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16873 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16875 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16877 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16880 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16882 * doc/invoke.texi (-floop-optimize2): Removed.
16883 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16884 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16885 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16886 * common.opt (floop-optimize2): Removed.
16887 (fmove-loop-invariants): Enabled by default.
16889 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16891 * tree-if-conv.c (combine_blocks): Free the result of
16892 get_loop_exit_edges.
16894 2006-02-10 Jeff Law <law@redhat.com>
16896 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16898 PR tree-optimization/26213
16899 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16900 loop trying to follow SSA_NAME_VALUE chains.
16902 2006-02-10 Richard Guenther <rguenther@suse.de>
16904 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16905 deal with structures that end in implicitly variable sized arrays.
16907 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16909 PR rtl-optimization/24762
16910 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16913 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16915 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16916 (struct ivopts_data): Add regs_used field.
16917 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16918 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16919 instead of loop_data->regs_used;
16920 (free_loop_data): Do not free aux fields for loops.
16921 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16922 and tree_ssa_iv_optimize_finalize.
16924 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16926 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16928 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16931 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16932 computing the effective result type.
16934 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16936 PR inline-asm/16194
16937 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16938 (tree_overlaps_hard_reg_set): Declare.
16939 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16940 type and signature to match function type expected by walk_tree.
16941 (tree_overlaps_hard_reg_set): New function.
16942 (decl_conflicts_with_clobbers_p): Rename to:
16943 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16944 Use tree_overlaps_hard_reg_set. Changed caller.
16945 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16946 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16947 * cris.c (cris_md_asm_clobbers): Likewise.
16949 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16951 * reload1.c (emit_input_reload_insns): Delete code that tries to
16952 inherit using find_equiv_reg.
16954 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16956 * c-common.h (flag_const_strings): Don't declare.
16957 * c-common.c (flag_const_strings): Remove.
16958 * c.opt (fconst_strings): Remove.
16959 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16960 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16961 (c_common_init_options): Don't set flag_const_strings.
16962 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16964 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
16966 * arm.md (tlobits_cbranch): New pattern.
16967 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
16968 testing a single bit.
16970 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16973 * tree-ssa-pre.c (create_component_ref_by_pieces):
16974 Handle RETURN_DECL like VAR_DECL.
16976 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16978 PR middle-end/26134
16979 * fold-const.c (fold_indirect_ref_1): Fold
16980 "*(foo *)&complexfoo" to "__real__ complexfoo"
16981 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16983 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16985 * tree-flow-inline.h (var_can_have_subvars):
16986 Volatile variables should not have subvariables.
16988 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16991 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16992 multiplying unsigned values.
16995 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16997 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16999 2006-02-08 Jason Merrill <jason@redhat.com>
17002 * tree.def: Elaborate on difference from MODIFY_EXPR.
17003 * doc/c-tree.texi (INIT_EXPR): Likewise.
17004 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17005 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17006 (gimplify_target_expr): Likewise.
17007 (gimplify_cond_expr): Remove target handling.
17008 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17009 (gimplify_expr): Clobber it here.
17010 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17011 Do return slot optimization if we have an INIT_EXPR.
17014 * tree-inline.c (declare_return_variable): Also clear
17015 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17018 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17020 PR middle-end/22439
17021 * gimplify.c (gimplify_one_sizepos): Fix typo.
17023 2006-02-08 Jeff Law <law@redhat.com>
17025 PR tree-optimization/21417
17026 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17027 across a backedge if the control statement at the end of the
17028 block is data dependent on other statements in the same block.
17029 (record_temporary_equivalences_from_stmts): Remove over-conservative
17030 test for threading across backedges.
17032 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17033 control statement, handle all three special cases in the same
17034 manner as they all have the same desired solution. No longer
17035 special case edge flag updating when the post dominator is
17038 2006-02-08 Roger Sayle <roger@eyesopen.com>
17040 * tree.def (CHAR_TYPE): Remove.
17041 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17042 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17043 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17044 (gen_string_type_die): Delete unreachable function.
17046 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17047 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17048 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17049 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17050 * builtins.c (type_to_class): Likewise.
17051 * fold-const.c (fold_convert, build_range_check,
17052 merge_ranges): Likewise.
17053 * expr.c (count_type_elements): Likewise.
17054 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17055 * stor-layout.c (layout_type): Likewise.
17056 * ipa-type-escape.c (type_to_consider): Likewise.
17057 * gimplify.c (omp_firstprivatize_type_sizes,
17058 gimplify_type_sizes): Likewise.
17059 * explow.c (promote_mode): Likewise.
17060 * tree-sra.c (is_sra_scalar_type): Likewise.
17061 * varasm.c (output_constant): Likewise.
17062 * tree-inline.c (remap_type_1): Likewise.
17063 * convert.c (convert_to_pointer, convert_to_real,
17064 convert_to_integer, convert_to_complex): Likewise.
17066 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17068 * df-scan.c (df_def_record_1): A set destination may
17069 be a parallel regardless of mode.
17071 2006-02-08 Roger Sayle <roger@eyesopen.com>
17074 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17075 * config/mips/_tilib.c: Remove.
17076 * config/fixtfdi.c: New libgcc source file.
17077 * config/fixunstfdi.c: New source file.
17078 * config/floatditf.c: New source file.
17079 * config/floatunditf.c: New souce file.
17080 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17081 files above instead of config/mips/_tilib.c.
17082 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17084 2006-02-08 Jeff Law <law@redhat.com>
17086 PR tree-optimization/26169
17087 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17090 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17092 * df.h (DF_REG_SIZE): Return the length of the initialized
17095 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17097 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17098 __muldf3): Return a correctly signed zero.
17100 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17102 * passes.c (register_one_dump_file): Accept the current properties
17103 instead of pass number. Adjust call to dump_register. Remove
17105 (register_dump_files): Now a wrapper around...
17106 (register_dump_files_1): ... this one. Do not modify the pass
17108 (next_pass_1): Cosmetic fix.
17109 (execute_todo): Keep second parameter only. Use curr_properties
17110 instead of fetching it from the pass structure. Check and set
17112 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17113 instead of fetching it from the pass structure. Fix calls to
17114 execute_todo. Update curr_properties and initialize .vcg RTL dump
17115 after running the pass. Reset last_verified.
17116 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17118 (FIRST_AUTO_NUMBERED_DUMP): New.
17119 (dump_register): Remove "num" parameter, assign it within the
17121 (get_dump_file_name): Modify template for dumps.
17122 * tree-dump.h (dump_register): Adjust prototype.
17123 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17124 (PROP_trees): Add PROP_gimple_lomp.
17125 (TODO_set_props): New.
17126 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17127 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17128 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17130 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17132 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17133 (sparc64-*-linux*): Likewise.
17134 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17135 * config/sparc/t-linux: New file.
17136 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17137 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17138 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17139 -m32 -mlong-double-128.
17141 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17142 * config/alpha/t-linux: New file.
17143 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17145 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17146 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17147 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17148 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17149 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17150 (CPP_ARCH32_SPEC): Remove.
17152 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17154 PR tree-optimization/26145
17155 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17158 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17161 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17162 >= 240000 when generating code for SOM runtime.
17163 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17164 to $$dyncall when generating code for SOM runtime..
17166 2006-02-07 Dirk Mueller <dmueller@suse.com>
17169 * doc/invoke.texi (-Wsequence-point): Update documentation
17170 that -Wsequence-point is implemented for C++ as well.
17172 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17174 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17175 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17176 (LIB_SPEC): Likewise.
17177 * doc/invoke.texi (SPARC options): Document -pthread.
17179 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17181 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17184 2006-02-07 Roger Sayle <roger@eyesopen.com>
17186 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17187 Correct comment describing BOOLEAN_TYPE.
17189 2006-02-07 Dirk Mueller <dmueller@suse.com>
17191 * c.opt: C++ frontend supports -Wdiv-by-zero.
17192 * c-opts.c (c_common_handle_option): Remove dead case.
17194 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17196 * configure.ac (TLS assembler check): Do not enable TLS by
17197 default on SPARC/Solaris before version 10.
17198 * configure: Regenerate.
17200 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17202 * doc/invoke.texi (xl-compat): Document conversion and support
17205 2006-02-07 Jeff Law <law@redhat.com>
17207 * tree-vrp.c (find_conditional_asserts): Update comments.
17208 (simplify_stmt_for_jump_threading): New.
17209 (identify_jump_threads, finalize_jump_threads): New.
17210 (vrp_finalize): Call identify_jump_threads.
17211 (execute_vrp): Call finalize_jump_threads.
17212 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17213 (vrp_element, vrp_data, vrp_element_p): Remove.
17214 (vrp_hash_elt, vrp_variables_stack): Remove.
17215 (vrp_hash, vrp_eq, record_range): Remove.
17216 (simplify_cond_and_lookup_avail_expr): Remove.
17217 (extract_range_from_cond): Remove.
17218 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17219 (simplify_stmt_for_jump_threading): New.
17220 (dom_thread_across_edge): New wrapper.
17221 (tree_ssa_dominator_optimize): No longer initialize or
17222 finalize any of the VRP datastructures. Remove iteration
17223 step and simplify as a result of removal of iteration step.
17224 (pass_dominator): Perform a cfg cleanup after DOM.
17225 (dom_opt_finalize_block): Use the new common routines
17226 for threading jumps. Simplify stack management slightly.
17227 No longer need to unwind VRP state.
17228 (record_equivalences_from_incoming_edge): No longer record
17230 (eliminate_redundant_computations): No longer call
17231 simplify_cond_and_lookup_avail_expr.
17232 * tree-flow.h (potentially_threadable_block): Prototype.
17233 (thread_across_edge): Likewise.
17234 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17235 (tree-ssa-threadedge.o): Add dependencies.
17236 * tree-ssa-threadedge.c: New file.
17237 * passes.c (init_optimization_passes): Merge PHIs before
17238 calling VRP. Run VRP again late in the SSA optimization pipeline.
17240 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17242 * df-core.c (df_set_blocks): Do not dereference function pointers.
17243 (df_finish1): Likewise.
17244 (df_hybrid_search_forward): Likewise.
17245 (df_hybrid_search_backward): Likewise.
17246 (df_iterative_dataflow): Likewise.
17247 (df_analyze_problem): Likewise.
17248 (df_compact_blocks): Likewise.
17249 (df_dump): Likewise.
17250 * df-scan.c (df_rescan_blocks): Likewise.
17251 (df_record_entry_block_defs): Likewise.
17253 * genconditions.c (write_conditions): Guard the definition of
17254 'insn_conditions' with the check on GCC version.
17255 (write_writer): Guard the traversal 'insn_conditions' with
17256 the check on GCC version.
17258 2006-02-07 Richard Guenther <rguenther@suse.de>
17262 2006-01-30 Richard Guenther <rguenther@suse.de>
17264 * gimplify.c (gimplify_target_expr): Handle easy cases
17265 without creating a temporary.
17267 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17269 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17270 use of float in probability computations. Use edge probabilities
17271 in place of statically computed probabilities.
17272 (min_spec_prob): New static variable.
17273 (schedule_insns): Initialize it.
17274 (GET_SRC_PROB): Removed.
17275 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17277 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17280 * config/ia64/unwind-ia64.c: Revert last change.
17281 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17282 (INCOMING_FRAME_SP_OFFSET): Define.
17284 2006-02-06 Roger Sayle <roger@eyesopen.com>
17286 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17288 2006-02-07 Ben Elliston <bje@au.ibm.com>
17290 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17291 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17292 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17293 (ix86_return_in_memory): Handle TDmode.
17294 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17295 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17297 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17299 * reorg.c (dbr_schedule): Use dump_file instead of file.
17301 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17304 * config/ia64/predicates.md (extr_len_operand): New predicate.
17305 * config/ia64/ia64.md (extv): Tighten constraints.
17307 (*tbit_and_2): Ditto.
17308 (*tbit_and_3): Ditto.
17309 (*tbit_or_2): Ditto.
17310 (*tbit_or_3): Ditto.
17311 (*bit_zero): Ditto.
17314 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17317 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17319 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17321 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17322 loop_optimizer_init and loop_optimizer_finalize
17323 * tree-ssa-sink.c (execute_sink_code): Ditto.
17324 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17325 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17326 tree_ssa_loop_done): Ditto.
17327 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17328 * sched-ebb.c: Include output.h.
17329 (schedule_ebbs): Do not use dump argument.
17330 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17331 * loop.c (loop_dump_stream): Removed.
17332 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17334 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17335 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17336 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17337 loop_iterations, strength_reduce, record_biv, record_giv,
17338 final_giv_value, check_final_value, check_ext_dependent_givs,
17339 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17340 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17341 dump_file instead of loop_dump_stream.
17342 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17343 argument dump_file.
17344 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17346 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17347 * haifa-sched.c: Include output.h
17348 (schedule_insns, sched_init): Do not use dump argument.
17349 * mode-switching.c (optimize_mode_switching): Ditto.
17350 * modulo-sched.c (stats_file): Removed.
17351 (print_node_sched_params): Do not call argument dump_file.
17352 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17353 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17355 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17357 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17358 rtl_loop_init, rtl_loop_done): Ditto.
17359 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17360 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17362 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17363 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17364 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17365 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17366 * emit-rtl.c (renumber_insns): Ditto.
17367 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17368 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17369 * regclass.c (regclass): Ditto.
17370 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17371 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17372 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17373 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17375 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17376 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17378 * gcse.c (gcse_file, debug_stderr): Removed.
17379 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17380 rest_of_handle_gcse): Do not use dump argument.
17381 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17382 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17383 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17384 compute_code_hoist_vbeinout, compute_code_hoist_data,
17385 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17386 compute_store_table, build_store_vectors, insert_insn_start_bb,
17387 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17388 store_motion): Use dump_file instead of gcse_file.
17389 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17390 * profile.c (profile_dump_file): Removed.
17391 (branch_prob): Use dump_file instead of profile_dump_file.
17392 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17394 * tree-ssa-copy.c (dump_copy_of): Ditto.
17395 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17396 dump file to life_analysis.
17397 * bt-load.c (branch_target_load_optimize): Ditto.
17398 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17400 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17401 regclass, dbr_schedule): Declaration changed.
17402 * sched-int.h (sched_init): Declaration changed.
17403 * tree-profile.c (tree_profile_dump_file): Removed.
17404 (tree_profile_hooks): Removed profile_dump_file hook.
17405 * rtl-profile (rtl_profile_dump_file): Removed.
17406 (rtl_profile_hooks): emoved profile_dump_file hook.
17407 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17409 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17410 * tree-cfg.c (build_tree_cfg): Ditto.
17411 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17412 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17413 Declaration changed.
17414 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17415 life_analysis and schedule_insns.
17416 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17418 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17420 * config/mips/mips.c (mips_reorg): Ditto.
17421 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17424 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17426 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17427 (s390_mangle_fundamental_type): New.
17428 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17431 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17432 (alpha_mangle_fundamental_type): New.
17433 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17436 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17438 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17440 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17441 (sparc_mangle_fundamental_type): New.
17443 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17445 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17446 (s390x-*-linux*): Likewise.
17447 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17448 * config/s390/t-linux: New file.
17450 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17452 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17453 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17455 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17457 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17458 (ANTIC_SAFE_LOADS): New macro.
17459 (find_or_generate_expression): Add prototype.
17460 (set_contains_value): Allow null set for sake of not always having
17461 to allocate ANTIC_SAFE_LOADS.
17462 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17463 Allow COMPONENT_REF too.
17464 (valid_in_set): Allow COMPONENT_REF.
17465 Check ANTIC_SAFE_LOADS too.
17466 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17467 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17469 (can_PRE_operation): Add COMPONENT_REF.
17470 (create_component_ref_by_pieces): New function.
17471 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17472 (insert_aux): Move AGGREGATE_TYPE_P check here.
17473 (compute_avail): Set bb local stmt uids.
17474 (pass_pre): Use TODO_update_ssa_only_virtuals.
17476 2006-02-06 Ben Elliston <bje@au.ibm.com>
17478 * configure.ac: Unconditionally disable decimal float by default.
17479 * configure: Regenerate.
17481 2006-02-06 Ben Elliston <bje@au.ibm.com>
17483 * read-rtl.c (read_name): Terminate reading on EOF.
17485 2006-02-06 Ben Elliston <bje@au.ibm.com>
17487 * dfp.c (decimal_real_arithmetic): Change second argument type
17488 from int to enum tree_code. Do not always return true, but now
17489 return result of any call to decimal_do helper functions.
17490 * dfp.h (decimal_real_arithmetic): Update prototype.
17492 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17494 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17496 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17499 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17502 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17504 * tree-vrp.c (cfg_loops): Removed.
17505 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17506 Use current_loops instead of cfg_loops. Pass flags to
17507 loop_optimizer_init.
17508 * cfgloopmanip.c (fix_loop_structure): Update only available
17510 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17511 loop_optimizer_init.
17512 * modulo-sched.c (build_loops_structure): Removed.
17513 (sms_schedule): Use loop_optimizer_init.
17514 * loop-init.c (loop_optimizer_init): Use flags to determine
17515 which properties of loops to prepare.
17516 (rtl_loop_init): Pass flags to loop_optimizer_init.
17517 * tree-ssa-sink.c (execute_sink_code): Ditto.
17518 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17519 * tree-ssa-pre.c (init_pre): Ditto.
17520 * cfgloop.h (LOOPS_NORMAL): New.
17521 (loop_optimizer_init): Declaration changed.
17523 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17525 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17526 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17528 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17530 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17532 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17533 * pa/t-pa64: Delete quadlib.c rule.
17534 * pa/x-ada: Revert last change.
17535 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17537 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17539 PR rtl-optimization/26087
17540 * rtlanal.c (canonicalize_condition): Do not cross basic block
17543 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17546 * config/ia64/ia64.c: Include debug.h.
17547 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17548 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17549 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17550 (process_epilogue, process_set, process_for_unwind_directive):
17551 Output unwind info only if requested. Add CFA info if requested.
17552 Add new arguments as needed. Adjust callers.
17553 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17555 (DWARF2_FRAME_INFO): Define to zero.
17556 * config/ia64/unwind-ia64.c: Remove code that compensated for
17557 the CFA offset error fixed above.
17558 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17559 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17560 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17561 -funwind-tables and -fexceptions to enable frame info.
17562 (dwarf2out_frame_init): Define initial CFA even if
17563 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17564 DWARF2_UNWIND_INFO is nonzero, not just defined.
17565 (dwarf2out_frame_finish): Output non-EH call frame info only
17566 if DWARF2_FRAME_INFO is nonzero.
17567 (convert_cfa_to_loc_list,
17568 compute_frame_pointer_to_cfa_displacement): Define even if
17569 unwind info is not supported.
17570 (gen_subprogram_die): Use the above unconditionally. Remove
17571 legacy alternate code.
17572 * toplev.c (compile_file): Compile in call to
17573 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17574 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17576 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17577 Jakub Jelinek <jakub@redhat.com>
17579 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17580 IBM extended float format long double as "g" on powerpc*-linux.
17582 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17585 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17586 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17588 2006-02-03 Jason Merrill <jason@redhat.com>
17591 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17593 PR middle-end/25977
17594 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17595 on the return slot if it's an NRV.
17597 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17599 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17600 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17601 rewrite_use): Do not handle USE_OUTER.
17602 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17603 add_iv_outer_candidates, may_replace_final_value,
17604 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17605 (find_interesting_uses_op): Functionality of
17606 find_interesting_uses_outer_or_nonlin moved here.
17607 (find_interesting_uses_outside): Use find_interesting_uses_op.
17609 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17612 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17614 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17615 Ulrich Weigand <uweigand@de.ibm.com>
17618 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17619 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17620 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17621 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17623 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17624 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17625 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17626 Define secondary reloads for TFmode moves.
17627 (constant_modes): Add TFmode.
17628 (NR_C_MODES): Set to 8.
17629 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17631 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17632 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17633 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17634 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17635 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17636 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17637 (FPR mode macro): Add TFmode.
17638 (DSF mode macro): New.
17639 (<de>, <dee> mode attributes): Removed.
17640 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17641 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17642 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17643 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17644 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17645 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17646 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17647 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17648 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17649 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17650 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17651 "*negabs<mode>2", "sqrt<mode>2"):
17652 Changed <de> to <xde>. R constraint replaced by <Rf>.
17653 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17655 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17656 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17657 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17659 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17660 "extenddftf2", "extendsftf2"): New expanders.
17661 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17662 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17663 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17664 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17666 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17667 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17668 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17669 __floatditf): Add a GCC_4.1.0 symbol version tag.
17670 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17673 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17676 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17677 Use targetm.binds_local_p instead of TREE_PUBLIC.
17679 2006-02-02 Roger Sayle <roger@eyesopen.com>
17681 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17682 on INTEGER_TYPEs to indicate that it denotes a character type.
17683 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17684 signed_char_type_node, unsigned_char_type_node and char_type_node.
17685 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17686 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17687 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17689 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17690 Daniel Berlin <dberlin@dberlin.org>
17692 * tree-tailcall.c (arg_needs_copy_p): New function.
17693 (eliminate_tail_call): Use arg_needs_copy_p.
17694 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17695 (add_virtual_phis): New function.
17697 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17699 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17700 #ignore instead of #scratch for %g7 .register directive.
17702 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17704 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17707 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17709 * flow.c (calculate_global_regs_live): Assert that there aren't any
17712 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17714 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17715 what its name says.
17716 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17717 bsi_after_labels iterator.
17718 * tree-if-conv.c (find_phi_replacement_condition,
17719 replace_phi_with_cond_modify_expr): Likewise.
17720 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17721 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17723 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17725 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17727 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17730 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17731 array after growing it.
17733 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17735 PR middle-end/24901
17736 * fold-const.c (fold_checksum_tree): Change type of buf.
17738 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17740 * reload.c (push_secondary_reload): Initialize t_icode.
17742 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17744 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17745 -msoft-float -mlong-double-128 only issue a warning, but don't
17746 swich to DFmode long double.
17748 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17750 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17751 has a constant equivalent, iterate over equivalents for arg0,
17752 calling simplify_relational_operation and if there's a result
17753 cheaper than X, apply fold_rtx and return the result.
17755 2006-02-01 Jan Hubicka <jh@suse.cz>
17757 * opts.c (no_unit_at_a_time_default): New global variable.
17758 (decode_options): Use it.
17759 * opts.h (no_unit_at_a_time_default): Declare.
17761 2006-02-01 Paul Brook <paul@codesourcery.com>
17763 * function.c (assign_parm_setup_reg): Use function argument promotion
17765 * expr.c (expand_expr_real_1): Use function argument promotion rules
17768 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17770 * gcc.c (process_command): Change j to 'unsigned int'.
17772 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17774 PR middle-end/26001
17775 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17776 Use the corrected index for the character
17777 out of the string constant.
17779 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17781 * mode-switching.c (optimize_mode_switching): Fix size
17782 allocated for bb_info[n_entities].
17784 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17786 * gcc.c (main): Correct type that is allocated for
17787 explicit_link_files.
17789 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17791 * config/s390/s390.c (init_alignment_context): Set
17792 ALIAS_SET_MEMORY_BARRIER on the MEM.
17793 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17795 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17797 PR middle-end/25933
17798 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17800 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17803 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17805 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17806 * regrename.c: Ditto.
17807 * tree-ssa-loop-im.c: Ditto.
17808 * tree-dump.c: Ditto.
17809 * tree-complex.c: Ditto.
17810 * genrecog.c: Ditto.
17811 * tree-ssa-threadupdate.c: Ditto.
17813 * java/class.c: Ditto.
17814 * java/jcf-parse.c: Ditto.
17815 * java/resource.c: Ditto.
17816 * java/except.c: Ditto.
17817 * java/jvspec.c: Ditto.
17818 * java/jcf-write.c: Ditto.
17819 * java/jcf-path.c: Ditto.
17820 * java/gjavah.c: Ditto.
17821 * java/zextract.c: Ditto.
17822 * java/jcf-io.c: Ditto.
17823 * java/jcf.h: Ditto.
17824 * java/buffer.c: Ditto.
17825 * java/lang.c: Ditto.
17826 * java/parse-scan.y: Ditto.
17827 * java/lex.c: Ditto.
17828 * java/lex.h: Ditto.
17829 * cfgloopmanip.c: Ditto.
17830 * postreload-gcse.c: Ditto.
17831 * tree-ssa-loop-manip.c: Ditto.
17832 * postreload.c: Ditto.
17833 * tree-ssa-loop-ch.c: Ditto.
17836 * cppspec.c: Ditto.
17837 * diagnostic.c: Ditto.
17839 * genoutput.c: Ditto.
17841 * cfghooks.c: Ditto.
17842 * cfgloopanal.c: Ditto.
17843 * objc/objc-act.c: Ditto.
17845 * genextract.c: Ditto.
17846 * genautomata.c: Ditto.
17847 * pretty-print.c: Ditto.
17848 * genemit.c: Ditto.
17849 * cgraphunit.c: Ditto.
17851 * df-scan.c: Ditto.
17852 * haifa-sched.c: Ditto.
17853 * dominance.c: Ditto.
17855 * tree-ssa-loop-ivopts.c: Ditto.
17856 * df-core.c: Ditto.
17857 * mode-switching.c: Ditto.
17858 * modulo-sched.c: Ditto.
17860 * ipa-pure-const.c: Ditto.
17862 * fix-header.c: Ditto.
17864 * tree-stdarg.c: Ditto.
17865 * ipa-utils.c: Ditto.
17866 * loop-init.c: Ditto.
17867 * ipa-inline.c: Ditto.
17868 * cfganal.c: Ditto.
17870 * alloc-pool.c: Ditto.
17871 * dwarf2out.c: Ditto.
17873 * genattrtab.c: Ditto.
17874 * tree-ssa-loop-ivcanon.c: Ditto.
17875 * predict.c: Ditto.
17876 * timevar.c: Ditto.
17878 * fortran/gfortranspec.c: Ditto.
17879 * regmove.c: Ditto.
17880 * local-alloc.c: Ditto.
17881 * langhooks.c: Ditto.
17882 * function.c: Ditto.
17883 * tree-vectorizer.c: Ditto.
17885 * ipa-type-escape.c: Ditto.
17887 * tree-if-conv.c: Ditto.
17888 * profile.c: Ditto.
17890 * tree-data-ref.c: Ditto.
17891 * loop-unroll.c: Ditto.
17892 * treelang/treetree.c: Ditto.
17894 * bt-load.c: Ditto.
17895 * ggc-common.c: Ditto.
17897 * coverage.c: Ditto.
17899 * tree-cfgcleanup.c: Ditto.
17900 * tree-ssa-pre.c: Ditto.
17901 * cfgcleanup.c: Ditto.
17902 * loop-invariant.c: Ditto.
17903 * loop-iv.c: Ditto.
17904 * ipa-prop.c: Ditto.
17905 * print-tree.c: Ditto.
17906 * conflict.c: Ditto.
17907 * ggc-page.c: Ditto.
17908 * sched-deps.c: Ditto.
17909 * regclass.c: Ditto.
17910 * tree-object-size.c: Ditto.
17911 * combine.c: Ditto.
17912 * bb-reorder.c: Ditto.
17913 * resource.c: Ditto.
17914 * var-tracking.c: Ditto.
17915 * cfgloop.c: Ditto.
17916 * df-problems.c: Ditto.
17917 * reg-stack.c: Ditto.
17919 * gccspec.c: Ditto.
17920 * sched-rgn.c: Ditto.
17921 * tree-ssa-structalias.c: Ditto.
17922 * tree-ssa-reassoc.c: Ditto.
17923 * config/darwin-c.c: Ditto.
17924 * config/darwin.c: Ditto.
17925 * config/arm/arm.c: Ditto.
17927 * collect2.c: Ditto.
17928 * reload1.c: Ditto.
17930 2006-01-31 Nicolas Pitre <nico@cam.org>
17932 * arm.md (smaxsi3): Make aware of smax_m1.
17935 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17937 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17939 2006-01-31 Richard Guenther <rguenther@suse.de>
17941 * doc/invoke.texi (-msselibm): Document.
17942 * target.h (expand_library_builtin): New target hook.
17943 * builtins.c (expand_builtin): Use expand_library_builtin.
17944 (default_expand_library_builtin): New function.
17945 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17946 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17947 (link_gcc_math_spec): Declare.
17948 (static_specs): Add link_gcc_math_spec.
17949 * expr.h (default_expand_library_builtin): Declare.
17950 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17951 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17952 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17953 * config/i386/i386.opt (msselibm): New target option.
17954 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17955 (ix86_init_sse_abi_builtins): New function.
17956 (ix86_expand_library_builtin): Likewise.
17957 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17958 (override_options): Handle error conditions wrt -msselibm.
17959 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17960 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17961 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17964 2006-01-31 Richard Guenther <rguenther@suse.de>
17965 Paolo Bonzini <bonzini@gnu.org>
17967 * doc/install.texi (--disable-libgcc-math): Document.
17969 2006-01-30 Marcin Dalecki <martin@dalecki.de>
17971 * expr.h (expand_normal): new inline function.
17972 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17973 * dojump.c: use it.
17974 * dwarf2out.c: use it.
17977 * expmed.c: use it.
17978 * except.c: use it.
17979 * config/sparc/sparc.c: use it.
17980 * config/i386/i386.c: use it.
17981 * config/rs6000/rs6000.c: use it.
17982 * config/arm/arm.c: use it.
17983 * config/mips/mips.c: use it.
17984 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17986 2006-01-30 Roger Sayle <roger@eyesopen.com>
17988 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
17989 argv to the appropriate type.
17991 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17993 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17996 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17999 * config/s390/s390.c (struct machine_function): New flag
18000 decomposed_literal_pool_addresses_ok_p.
18001 (s390_reorg): Set it before final stage of literal pool transforms.
18002 (s390_decompose_address): Only accept displacements of the form
18003 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18005 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18007 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18008 the comparison routine return.
18010 2006-01-30 Michael Matz <matz@suse.de>
18012 * global.c (find_reg): Only evict for global regs.
18013 Take n_refs into account and dump more info.
18015 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18018 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18019 (pragma_trap, pragma_nosave_low_regs): Likewise.
18020 (current_function_anonymous_args): Likewise.
18021 (sh_deferred_function_attributes): New variable.
18022 (sh_deferred_function_attributes_tail): Likewise.
18023 (print_operand): For '@', look up trap_exit attribute.
18024 (calc_live_regs): Look up trapa_handler attribute. For trapa
18025 handlers, save/restore fpscr, but don't do any other
18026 interrupt-specific saves.
18027 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18028 Fix check for partially saved registers to check for SHmedia.
18029 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18030 (sh_output_function_epilogue): Don't clear any of the removed
18032 (sh_insert_attributes): Don't check pragma_interrupt.
18033 Insert deferred attributes. Check that interrupt attribute is
18034 present for other attributes that require its presence.
18035 (sh_attribute_table): Add new attributes trapa_handler and
18037 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18038 Don't check for pragma_interrupt. Don't store argument.
18039 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18040 (sh_deferred_function_attributes): Declare.
18041 (sh_deferred_function_attributes_tail): Likewise.
18042 * sh.md (sp_switch_1): Add operand. Change generator caller.
18043 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18044 (*return_i): Don't use when trap_exit attribute is in effect.
18045 (*return_trapa): New insn pattern.
18046 * sh-c.c: New file.
18047 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18048 setting c_target_objs and cxx_target_objs.
18049 * t-sh: Add rule for sh-c.o.
18051 2006-01-30 Richard Guenther <rguenther@suse.de>
18054 * gimplify.c (gimplify_target_expr): Handle easy cases
18055 without creating a temporary.
18057 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18059 * vec.h (safe_grow): Remove duplicated line.
18061 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18064 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18065 (expand_omp): ... here.
18066 (expand_omp_parallel): Only remove barriers for combined
18067 parallel+workshare constructs.
18069 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18073 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18074 * tree.c (build_qualified_type): Chain the new type to the original
18075 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18076 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18077 (build_pointer_type_for_mode): Only return unqualified types.
18078 (build_reference_type_for_mode): Likewise.
18080 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18082 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18083 * Makefile.in (CXX_COMPAT_WARN): Define.
18084 * configure: Regenerate.
18086 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18089 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18092 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18094 * toplev.c: Fix thinko.
18096 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18097 Marcin Dalecki <martin@dalecki.de>
18099 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18100 (push_srcloc): Use XNEW.
18101 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18103 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18105 * df-core.c (df_set_blocks): Deleted all variable.
18107 2006-01-28 Ian Lance Taylor <ian@airs.com>
18109 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18110 cgraph_output_pending_asms.
18112 2006-01-28 Zack Weinberg <zackw@panix.com>
18114 * c.opt: Add -W(no-)overlength-strings.
18115 * doc/invoke.texi: Document it.
18116 * c-opts.c (c_common_handle_option): -pedantic implies
18117 -Woverlength-strings, if not explicitly disabled already.
18118 (c_common_post_options): -Woverlength-strings defaults to off, and
18119 is always off for C++.
18120 * c-common.c (fix_string_type): Issue warning about strings longer
18121 than is portable only if warn_overlength_strings. Rearrange code
18122 a little for clarity.
18123 * configure.in: Check for -Wno-overlength-strings as well before
18124 enabling -pedantic in stage 1.
18125 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18126 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18128 * genconditions.c (write_header, write_one_condition)
18129 (write_conditions, write_writer): Consolidate very long strings
18130 that were broken up to fit in C89 portable limit. Don't use
18131 printf when fputs will do.
18133 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18135 * combine.c (simplify_comparison <AND>): Check
18136 TRULY_NOOP_TRUNCATION before start using a subreg.
18138 * config/mips/mips.md (*branch_zero<mode>,
18139 *branch_zero<mode>_inverted, *branch_equality<mode>,
18140 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18141 Remove mode check from comparisons.
18143 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18145 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18147 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18149 * expmed.c (const_mult_add_overflow_p): Remove.
18150 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18152 * recog.c (validate_replace_rtx_subexp): Remove.
18153 * recog.h: Remove the prototype for
18154 validate_replace_rtx_subexp.
18156 * integrate.h: Remove the prototype for
18157 copy_decl_for_inlining.
18158 * rtl.h: Remove the prototype for mark_constant_function.
18159 * tree-vectorizer.h: Remove the prototype for
18160 vect_strip_conversion.
18162 * modulo-sched.c (create_partial_schedule,
18163 free_partial_schedule, reset_partial_schedule): Make them
18166 * hooks.c (hook_bool_rtx_int_false): Remove.
18167 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18169 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18171 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18172 and -mlong-double-128 are incompatible.
18173 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18174 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18175 (TARGET_LIBGCC2_CFLAGS): Define.
18176 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18177 (TARGET_LIBGCC2_CFLAGS): Same.
18178 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18180 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18183 * c-typeck.c (build_binary_op): Perform implicit casts of
18184 operands before shortening them.
18186 * cfgloopmanip.c (split_loop_bb): Remove.
18187 * cfgloop.h: Remove the prototype for split_loop_bb.
18189 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18190 * cfgloop.h: Remove the prototype for
18191 flow_loop_outside_edge_p.
18193 * emit-rtl.c (init_virtual_regs): Make it static.
18194 * function.h: Remove the prototype for init_virtual_regs.
18196 * recog.c (peephole2_optimize): Make it static.
18197 * recog.h: Remove the prototype for peephole2_optimize.
18199 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18201 * df-scan.c (df_record_entry_block_defs): Check if
18202 INCOMING_RETURN_ADDR_RTX is defined.
18204 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18205 Kenneth Zadeck <zadeck@naturalbridge.com>
18207 PR rtl-optimization/24762
18208 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18209 * targhooks.c (hook_void_bitmap): New hook prototype.
18210 * targhoohs.h (hook_void_bitmap): Ditto.
18211 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18212 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18213 * target.h (live_on_entry): New function pointer.
18214 * df-scan.c (df_all_hard_regs): Removed.
18215 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18216 (df_scan_free_internal): Added df->entry_block_defs.
18217 (df_scan_alloc): Ditto.
18218 (df_scan_dump): Ditto.
18219 (df_uses_record): Plumbed flag field properly thru calls.
18220 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18221 This part fixes PR24762.
18222 (df_bb_refs_record): Added code to make the frame and arg
18223 pointers live in EH blocks.
18224 (df_refs_record): Added call to df_record_entry_block_defs.
18225 (df_record_entry_block_defs): New function.
18226 * df-core.c: Added comments to describe new artifical defs.
18227 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18228 (entry_block_defs): New field in struct df.
18229 (df_all_hard_regs): Deleted.
18230 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18231 * df-problems.c (df_ru_bb_local_compute_process_def):
18232 Added code to handle artifical defs in the entry to a function.
18233 (df_ru_bb_local_compute): Ditto.
18234 (df_rd_bb_local_compute_process_def): Ditto.
18235 (df_rd_bb_local_compute): Ditto.
18236 (df_lr_bb_local_compute): Ditto.
18237 (df_ur_bb_local_compute): Ditto.
18238 (df_urec_bb_local_compute): Ditto.
18239 (df_chain_create_bb): Ditto.
18240 (df_ur_local_finalize): Removed entry.
18241 (df_urec_init): Ditto.
18242 (df_urec_local_finalize): Ditto.
18243 (df_ri_bb_compute): Added detection of last use of pseudos.
18244 * Makefile.in (df-scan.o): Updated dependencies.
18245 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18246 * config/mips/mips.c (mips_set_live_on_entry): Added.
18247 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18249 * dce.c (marked_insn_p): Added code to handle artifical defs.
18251 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18253 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18255 (_mm_cvtsi128_si64): Likewise.
18256 (_mm_cvtsd_si64): Likewise.
18257 (_mm_cvttsd_si64): Likewise.
18258 (_mm_cvtsi64_sd): Likewise.
18259 (_mm_cvtsi64_si128): Likewise.
18260 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18261 (_mm_cvtsi64_m64): Likewise.
18262 (_m_to_int64): Likewise.
18263 (_mm_cvtm64_si64): Likewise.
18264 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18265 (_mm_cvttss_si64): Likewise.
18266 (_mm_cvtsi64_ss): Likewise.
18267 (_mm_cvtss_f32): Likewise.
18269 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18271 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18272 for pragma redefine_extname.
18274 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18277 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18278 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18279 -mno-minimal-toc to previous content.
18280 (bispecs): Remove goal.
18281 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18282 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18283 compatibility aliases on powerpc-*-*gnu*.
18284 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18285 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18286 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18287 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18288 (ldblspecs): New goal.
18289 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18290 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18292 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18293 L_sf_to_tf or L_df_to_tf is defined.
18295 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18296 Alan Modra <amodra@bigpond.net.au>
18299 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18300 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18301 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18302 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18303 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18304 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18305 (rs6000_override_options): Initialize rs6000_ieeequad.
18306 Initialize TFmode format to ibm_extended_format if not
18308 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18310 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18311 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18312 (function_arg_advance): IBM long double passed in two FPRs, not
18314 (function_arg): IBM long double passed in FPRs.
18315 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18316 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18317 Only multireg GPR aligned.
18318 (rs6000_init_libfuncs): Enable IBM long double functions if not
18320 (rs6000_generate_compare): Use IBM long double compare if not
18322 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18323 (TARGET_IEEEQUAD): Define.
18324 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18325 not TARGET_IEEEQUAD.
18326 * config/rs6000/rs6000.md: Enable TFmode patterns if
18328 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18329 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18330 and -mlong-double-128 are incompatible.
18331 * doc/invoke.texi (-mabi): Collect options together. Add
18332 ibmlongdouble and ieeelongdouble.
18334 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18336 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18338 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18339 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18340 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18341 * rtl.h (rtunion_def): Remove rt_ptr.
18343 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18344 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18345 * config/i386/winnt.c (i386_pe_mark_dllexport)
18346 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18348 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18350 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18352 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18356 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18357 pthread_key_delete. From John David Anglin. gthrw-ify
18358 pthread_getunique_np only if it it's not a macro. Delete
18360 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18361 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18362 __gthread_objc_condition_signal, __gthread_key_delete): Add
18363 "__attribute__ ((__unused__))" to unused arguments.
18364 (__gthread_recursive_mutex_init_function): Add missing return.
18365 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18366 gthr-posix95.h: Use macro-based approach for name redirection
18367 on targets missing weakref.
18369 2006-01-26 Zack Weinberg <zackw@panix.com>
18371 * genconditions.c (write_header): In generated code, #ifdef out
18372 all includes and fake declarations, except includes of bconfig.h
18373 and system.h, unless GCC_VERSION >= 3001. Do not include
18374 gensupport.h in any case.
18375 (write_conditions): Generate a definition of struct c_test. Add
18376 a comment to the generated #endif.
18377 (write_one_condition): Escape backslashes in string too.
18378 (write_writer): Generated code must escape backslashes and quote
18379 marks (but not newlines) in the strings it writes.
18380 * Makefile.in (build/gencondmd.o): Update dependencies.
18382 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18385 * Makefile.in (insn-automata.o): Add header file dependencies.
18386 * genautomata.c: Add includes.
18388 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18391 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18393 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18395 * configure.ac: Expect target tools paths to be passed from the toplevel
18396 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18398 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18400 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18403 * c.opt (Wpointer-sign): Init to -1.
18404 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18405 OPT_pedantic, to 0 otherwise.
18406 * doc/invoke.texi: Update.
18408 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18410 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18411 constants provided by 80387 instructions in the destination mode.
18413 2006-01-26 Richard Guenther <rguenther@suse.de>
18414 Andrew Pinski <pinskia@physics.uc.edu>
18417 partial PR tree-opt/17064
18418 * tree-ssa-structalias.c (intra_create_variable_infos):
18419 Create heap variables for incoming parameters if
18420 flag_argument_noalias > 1.
18421 (find_what_p_points_to): Look through default defs of
18424 2006-01-26 Jeff Law <law@redhat.com>
18427 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18428 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18429 within the VR_RANGE, use the VR_RANGE as the result, not the
18431 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18432 bounds for the type.
18434 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18436 * tree-ssa-alias.c (maybe_create_global_var): Change
18437 subvar walking to an assertion that we don't have subvar'd variables.
18439 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18442 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18443 Use a new variable, inner. PARM_DECLs are always non-weak.
18445 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18447 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18448 --disable-checking.
18450 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18452 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18454 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18456 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18457 (smax_insn, smin_insn, smax_0, smin_0): New.
18459 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18462 * config/cris/cris.c (cris_order_for_addsi3): New function.
18463 * config/cris/cris-protos.h: Prototype it.
18464 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18465 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18466 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18467 (split for "op.S1 [rx=rx+i],ry (swapped)")
18468 (split for "op(s|u).S1 [rx=rx+i],ry")
18469 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18470 Apply cris_order_for_addsi3 when generating addsi3 insns.
18472 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18474 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18475 (TREE_BLOCK): Add call to EXPR_CHECK.
18477 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18480 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18481 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18482 (dump_omp_clauses): ... here.
18483 (dump_generic_node): Handle OMP_CLAUSE.
18484 * tree.c (omp_clause_num_ops): New.
18485 (omp_clause_code_name): New.
18486 (tree_code_size): Handle OMP_CLAUSE.
18487 (tree_size): Likewise.
18488 (make_node): Document handling of OMP_CLAUSE.
18489 (tree_node_structure): Handle OMP_CLAUSE.
18490 (omp_clause_check_failed): New.
18491 (omp_clause_range_check_failed): New.
18492 (omp_clause_operand_check_failed): New.
18493 (build_omp_clause): New.
18494 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18495 * tree.h (enum omp_clause_code): Declare.
18496 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18497 (OMP_CLAUSE_RANGE_CHECK): Define.
18498 (OMP_CLAUSE_ELT_CHECK): Define.
18499 (omp_clause_check_failed): Declare.
18500 (omp_clause_operand_check_failed): Declare.
18501 (omp_clause_range_check_failed): Declare.
18502 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18503 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18504 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18505 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18506 (OMP_CLAUSE_IF_EXPR): Likewise.
18507 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18508 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18509 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18510 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18511 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18512 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18513 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18514 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18515 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18516 (OMP_CLAUSE_CODE): Define.
18517 (OMP_CLAUSE_SET_CODE): Define.
18518 (OMP_CLAUSE_CODE): Define.
18519 (OMP_CLAUSE_OPERAND): Define.
18520 (struct tree_omp_clause): Declare.
18521 (union tree_node): Add field 'omp_clause'.
18522 * treestruct.def (TS_OMP_CLAUSE): Define.
18523 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18524 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18525 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18526 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18527 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18528 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18529 (OMP_CLAUSE): Define.
18530 * print-tree.c (print_node): Handle OMP_CLAUSE.
18531 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18532 * c-typeck.c: Likewise.
18533 * gimplify.c: Likewise.
18534 * c-omp.c: Likewise.
18535 * tree-nested.c: Likewise.
18536 * tree-inline.c: Likewise.
18537 * c-parser.c: Likewise.
18538 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18541 2006-01-25 Roger Sayle <roger@eyesopen.com>
18543 PR rtl-optimization/25703
18544 * combine.c (try_combine): Handle zero_extract and strict_low_part
18545 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18547 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18549 * global.c: Fix comment typos.
18551 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18554 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18555 Use output_addr_const instead of assemble_name.
18557 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18559 * Makefile.in (sched-vis.o): Update dependencies.
18560 * haifa-sched.c (sched_finish): Clear current_sched_info.
18561 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18562 (dump_flow_info): Call it.
18563 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18565 * basic-block.h (dump_bb_info): Declare.
18566 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18567 option, and apply options only for dump files whose TDF_RTL,
18568 TDF_TREE, or TDF_IPA bits match.
18569 * rtl.h: Declare new functions exported from sched-vis.c.
18570 * sched-vis.c: Enable also if scheduling is not used.
18571 (print_value): Print the mode of registers if not inside scheduling.
18572 (print_insn): Make it work outside the scheduler. Beautify the output
18574 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18576 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18578 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18579 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18580 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18581 depending on the value of CONSTANT_POOL_ADDRESS_P.
18582 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18584 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18585 rather than SYMBOL_REF_DECL.
18586 (rtx_constant_pool): Remove const_rtx_sym_htab.
18587 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18588 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18589 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18590 Remove handling of const_rtx_sym_htab.
18591 (find_pool_constant): Delete.
18592 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18593 rather than find_pool_constant.
18594 (get_pool_constant_for_function): Delete.
18595 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18596 find_pool_constant.
18597 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18598 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18599 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18600 (SYMBOL_REF_CONSTANT): New macro.
18601 (get_pool_constant_for_function): Delete.
18602 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18603 rather than SYMBOL_REF_DECL.
18604 (i386_pe_mark_dllimport): Likewise.
18605 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18606 rather than SYMBOL_REF_DECL.
18607 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18608 (machopic_indirect_call_target): Likewise.
18610 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18612 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18614 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18616 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18618 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18620 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18622 2006-01-24 David Daney <ddaney@avtrex.com>
18625 * configure.ac (enable_tls): New enable option.
18626 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18627 * configure: Regenerate.
18628 * doc/install.texi (--enable-tls): Document new option.
18629 (--disable-tls): Ditto.
18631 2006-01-24 Richard Henderson <rth@redehat.com>
18633 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18634 * alias.c (true_dependence): Respect it.
18635 (canon_true_dependence, write_dependence_p): Likewise.
18636 * builtins.c (get_builtin_sync_mem): Set it.
18638 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18640 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18643 2006-01-24 DJ Delorie <dj@redhat.com>
18645 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18646 for storing constants in single-bit bitfields.
18648 2006-01-25 Ben Elliston <bje@au.ibm.com>
18650 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18652 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18655 * tree-ssa-pre.c (phi_translate): Return NULL
18656 for AGGREGATE_TYPE's.
18658 2006-01-24 Zack Weinberg <zackw@panix.com>
18660 * genautomata.c (process_state_for_insn_equiv_partition):
18661 Use xcalloc for insn_arcs_array.
18662 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18663 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18665 2006-01-24 Richard Henderson <rth@redhat.com>
18667 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18668 update all callers.
18670 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18672 PR rtl-optimization/25890
18673 PR rtl-optimization/25905
18674 * combine.c (expand_compound_operation, expand_field_assignment):
18675 Fail if the bitfield's final position is out of bounds.
18677 2006-01-24 Ian Lance Taylor <ian@airs.com>
18679 PR middle-end/25930
18680 * cgraphunit.c (cgraph_output_in_order): Don't clear
18681 cgraph_asm_nodes until after asm strings have been output.
18683 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18685 * fix-header.c (read_scan_file): Add new parameter imultilib when
18686 calling register_include_chains.
18688 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18690 * omp-low.c: Update documentation.
18692 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18693 Daniel Berlin <dberlin@dberlin.org>
18697 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18698 return from the function.
18700 2006-01-22 Zack Weinberg <zackw@panix.com>
18702 * rtl.def (match_code): Add second argument.
18703 * genpreds.c (write_extract_subexp): New function.
18704 (write_match_code): Add path argument. Use write_extract_subexp.
18705 (write_predicate_expr): Pass path to write_match_code.
18706 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18707 not perform a mode test.
18708 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18709 a subexpression does not constrain the top-level code set.
18710 * read-rtl.c (read_rtx_variadic): New function.
18711 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18712 * doc/md.texi: Document new notation.
18713 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18714 (cmpsi_operand): ... here, using new notation.
18716 2006-01-22 Zack Weinberg <zackw@panix.com>
18718 * varray.c: Remove GENERATOR_FILE #ifdefs.
18720 2006-01-22 Zack Weinberg <zackw@panix.com>
18722 * genautomata.c (output_reserved_units_table): Emit nothing if
18723 description->query_units_num is zero. Remove extra blank line.
18724 (output_cpu_unit_reservation_p): Short circuit
18725 if description->query_units_num is zero.
18727 2006-01-22 Zack Weinberg <zackw@panix.com>
18729 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18730 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18731 nor any of the random handful of variables that used to be necessary
18732 when this program was linked with rtlanal.o. Prune set of forward
18733 function declarations.
18734 (struct attr_desc): Remove static_p field.
18735 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18736 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18737 (attr_string): Do not read the character one past the length of
18739 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18740 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18741 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18742 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18743 (make_automaton_attrs): New.
18744 (main): Do not call into genautomata. Call local gen_bypass
18745 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18746 Remove special case for insn_alts.
18747 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18748 varray.h (leftover from previous change). Prune set of forward
18749 function declarations. Remove state_alts fields from all
18750 structures. Remove state_alts_table from struct automaton.
18751 Make everything except main static. Do not maintain num_dfa_decls.
18752 Do not maintain state_alts fields of various structures.
18753 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18754 (add_arc): Remove state_alts argument. All callers updated.
18755 (output_reserved_units_table): Emit #ifdef here...
18756 (output_tables): ...not here. Don't generate state_alts tables.
18757 (expand_automata): Don't generate attributes.
18758 (write_automata): Don't generate state_alts functions.
18759 (main): New function.
18760 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18761 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18762 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18763 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18764 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18765 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18766 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18767 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18769 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18770 * genattrtab.h: Delete file.
18771 * Makefile.in (OBJS-common): Add insn-automata.o.
18772 (insn-automata.o): New rule.
18773 (simple_generated_c): Add insn-automata.c.
18774 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18775 (genprogmd): Add automata.
18776 (build/genattrtab): Needs no extra objects nor libraries.
18777 (build/genautomata): Needs build/vec.o and -lm.
18779 2006-01-22 Zack Weinberg <zackw@panix.com>
18781 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18782 (output_dfa_max_issue_rate, locked_states_num): Delete.
18783 (struct automaton): Add locked_states field.
18784 (output_dead_lock_vect): Save number of locked states in
18785 automaton->locked_states. If it is zero, don't print anything.
18786 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18787 (output_internal_dead_lock_func): Only test the dead_lock_vect
18788 for automata that have locked states.
18789 (output_statistics): Always print the number of locked states for
18790 each automaton. Calculate total number of locked states here.
18791 (write_automata): Don't call output_dfa_max_issue_rate.
18792 * genattrtab.c: Define length_unit_log as a const variable.
18793 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18794 max_insn_queue_index const.
18795 * final.c (length_unit_log): Declare const.
18796 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18798 2006-01-22 Zack Weinberg <zackw@panix.com>
18800 * genautomata.c: Include vec.h, not varray.h.
18801 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18802 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18803 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18804 VEC_* macros operating on appropriately typed vectors, or to
18805 malloced arrays when the size is known in advance. Const-ify
18806 many char* variables and function arguments. No functional changes.
18807 * Makefile.in (build/varray.o): Delete rule.
18808 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18809 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18811 2006-01-22 Zack Weinberg <zackw@panix.com>
18813 * gensupport.c: Define get_insn_name and record_insn_name here.
18814 (read_md_rtx): Call record_insn_name as appropriate.
18815 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18816 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18817 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18819 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18820 (BUILD_VARRAY): Delete.
18821 (genprognormal): Rename genprogmd. Fold in all programs from
18822 genprognoprint; also attrtab.
18823 (build/genattrtab): Just mention genautomata.o and varray.o.
18824 Reorganize a bit, add comments to make the categories clearer.
18826 2006-01-22 Zack Weinberg <zackw@panix.com>
18828 * genconditions.c (condition_table, add_condition): Delete.
18829 (write_conditions): Don't emit n_insn_conditions nor
18830 insn_elision_unavailable. Issue the gcc version #ifdef here,
18831 inside the table, with no #else clause ...
18832 (write_header): ...not here.
18833 (write_writer): New function.
18834 (main): Don't initialize condition_table. Use add_c_test.
18836 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18837 files on the command line.
18838 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18839 Return -1 if there is no entry in the table, don't abort.
18840 (add_c_test, traverse_c_tests): New functions.
18841 * gensupport.h (insn_elision_unavailable, insn_conditions)
18842 (n_insn_conditions): Delete declarations.
18843 (add_c_test, traverse_c_tests): Declare.
18844 * read-rtl.c: Include gensupport.h.
18845 (read_conditions): New function.
18846 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18847 (read_rtx_1): If we get EOF when we were looking for an initial
18848 open paren, return 0. Call read_conditions when appropriate.
18849 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18850 dummy-conditions.o. Eliminate references to insn-conditions.o,
18851 or change them to build/gencondmd.o, as appropriate. Remove
18852 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18853 from $(simple_generated_c). For all files remaining in those
18854 two lists, add insn-conditions.md to the generator command line.
18855 Give insn-constants.h/s-constants their own rules. Add rules
18856 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18857 (build/read-rtl.o): Depend on gensupport.h.
18858 (genprognormal): Include preds.
18859 (genprogearly): Rename genprognoprint; only difference is now that
18860 they don't link with $(BUILD_PRINT).
18861 * dummy-conditions.c: Delete.
18863 2006-01-22 Zack Weinberg <zackw@panix.com>
18865 * genextract.c: Don't include insn-config.h. Do include vec.h.
18866 Declare vectors of int, char, and locstr.
18867 (locstr): New typedef.
18868 (struct extraction): Make all array fields into bare pointers.
18869 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18870 (insn_code_number): Delete.
18871 (accum_extract): New struct.
18872 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18873 (gen_insn): Take insn_code_number as an argument. Use an
18874 accum_extract structure instead of loading data directly into
18875 a struct extraction, and having to know how big it might get.
18876 (walk_rtx): Operate entirely on an accum_extract structure.
18877 (print_path): Avoid unnecessary use of printf.
18878 (print_header): New function, split out of main. Distinguish
18879 more carefully between an unrecognizable insn and an insn that
18880 has the code number of a define_expand.
18881 (main): Pass insn_code_number to gen_insn. Call print_header
18882 only after parsing. Avoid unnecessary use of printf.
18883 * Makefile.in (build/vec.o): New rule.
18884 (build/genextract): Depend on build/vec.o.
18885 (build/genextract.o): Don't depend on insn-config.h.
18887 2006-01-22 Zack Weinberg <zackw@panix.com>
18889 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18890 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18891 practical. Eliminate per-generator-program link rules.
18893 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18895 PR middle-end/24437
18896 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18897 with a call expr to ...
18898 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18900 2006-01-23 Richard Guenther <rguenther@suse.de>
18902 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18903 before make_edge with conditional EDGE_TRUE_VALUE.
18905 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18906 Jan Hubicka <jh@suse.cz>
18907 Richard Guenther <rguenther@suse.de>
18909 PR rtl-optimization/25654
18910 * cfgexpand.c (aggregate_contains_union_type): New function.
18911 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18912 for structure variables that contain a union type.
18914 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18916 * gengtype.c (new_structure): Return the structure.
18917 (create_option): Add an extra "next" argument.
18918 (create_field): New function.
18919 (adjust_field_rtx_def): Use create_option and create_field.
18920 Remove a now-unnecessary call to find_structure.
18921 (adjust_field_tree_def): Likewise.
18922 (note_yacc_type): Remove an unnecessary call to find_structure.
18923 * gengtype.h (new_structure): Return the structure.
18924 (create_option): Add an extra argument.
18925 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18926 (option): Adjust calls to create_option.
18928 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18930 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18932 2006-01-22 Paul Brook <paul@codesourcery.com>
18933 Peter Barada <peter@the-baradas.com>
18935 * config/m68k/m68k.md: Add Coldfire FPU support.
18936 Define FP mode macro and associated attributes.
18937 Use it for float mode patterns.
18938 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18939 (LIBCALL_VALUE): Use m68k_libcall_value.
18940 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18941 (m68k_function_value): Ditto.
18942 (emit_move_sequence): Ditto.
18943 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18944 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18945 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18946 (MULTILIB_EXCEPTIONS): Ditto.
18947 * config/m68k/m68k.opt: Add mcfv4e.
18948 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18949 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18950 (m68k_output_function_prologue): Save ColdFire FPU registers.
18951 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18952 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18953 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18954 ColdFire FPU registers.
18955 (m68k_libcall_value, m68k_function_value): New functions.
18956 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18957 (LIBCALL_VALUE): Use m68k_libcall_value.
18958 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18959 (MASK_COLDFIRE): Add MASK_CFV4E.
18960 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18961 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18962 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18963 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18964 (GO_IF_LEGITIMATE_ADDRESS): Use it.
18965 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
18966 * doc/invoke.tex: Document -mcfv4e on m68k.
18968 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
18970 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18973 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18976 * c-opts.c (c_common_handle_option): Don't include
18977 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18978 * doc/invoke.texi (C++ Dialect Options): Document that
18979 -Wnon-virtual-dtor is no longer included in -Wall.
18981 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18983 * gcov.c (print_version), gcov-dump.c (print_version),
18984 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18987 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
18989 * df-scan.c (problem_SCAN): Added NULL reset function.
18990 (df_scan_reset_blocks): Added code to call reset block function
18991 (df_bb_refs_delete) Fixed comment.
18992 (df_insn_refs_delete): Made tolerant of deleting non existent info
18993 for dataflow problems that need to be reset.
18994 * df-core.c (df_set_blocks): Ditto.
18995 * df.h (struct df_problem): Added reset_fun.
18996 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18997 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18998 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18999 functions to clear out all references to def-use or use-def chains.
19001 2006-01-21 Ben Elliston <bje@au.ibm.com>
19003 * varasm.c (assemble_real): Initialise data array.
19005 2006-01-20 Paul Brook <paul@codesourcery.com>
19007 Merge from csl-arm-branch.
19008 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19009 * config/arm/arm.md (movdi): Force operands[1] to a register
19010 if we have a non-register source.
19011 (*arm_movdi, *movdf_soft_insn): Require that one of the
19012 operands be a register.
19013 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19014 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19016 2006-01-20 DJ Delorie <dj@redhat.com>
19018 * varasm.c (initializer_constant_valid_p): Allow pointers
19019 initialized from integer constants of lesser precision.
19020 (output_constant): Allow non-int-sized pointer modes to be
19021 initialized from integer constants.
19023 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19026 * cppdefault.h (struct default_include): Add multilib flag.
19027 * cppdefault.c (cpp_include_defaults): Set it.
19028 * c.opt (-imultilib): New option.
19029 * c-opts.c (imultilib): New.
19030 (c_common_handle_option): Handle -imultilib.
19031 (c_common_post_options): Likewise.
19032 * c-incpath.c (add_standard_paths, register_include_chains):
19034 * c-incpath.h (register_include_chains): Add extra parameter.
19035 * gcc.c (do_spec_1): Generate -imultilib option.
19036 (The Specs Language): Update %I description.
19037 (process_command): Update copyright notice.
19038 * doc/cppopts.texi (-imultilib): Document.
19039 * doc/invoke.texi (-imultilib): Include in option summary.
19040 (%I): Update specs documentation.
19042 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19044 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19046 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19048 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19051 2006-01-20 Richard Guenther <rguenther@suse.de>
19052 Steven Bosscher <stevenb.gcc@gmail.com>
19054 PR rtl-optimization/24626
19055 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19056 EDGE_TRUE_VALUE if in RTL mode.
19059 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19060 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19062 2006-01-20 Dirk Mueller <dmueller@suse.com>
19065 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19066 instead of a special NOP marker.
19067 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19068 NOP marker handling.
19069 * c-common.h (empty_body_warning): Add forward declaration.
19070 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19071 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19073 2006-01-20 Paul Brook <paul@codesourcery.com>
19075 * Makefile.in (lang_checks): Keep going if mkdir fails.
19077 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19079 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19080 be able to clean out basic block when not necessary.
19081 (df_scan_free): Fixed to properly delete information if df is
19082 unused before calling df_finish.
19083 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19084 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19086 (df_bb_refs_delete): New function.
19087 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19088 * df-core.c (df_set_blocks): Added code to properly clean out
19089 unused blocks if they are not part of the blocks to consider.
19090 Added additional null check.
19091 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19092 be able to clean out basic block when not necessary
19093 * df.h (df_free_bb_function): Ditto.
19094 (df_bb_refs_delete): New function.
19095 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19096 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19097 basic block parameter to be able to clean out basic block when not
19099 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19100 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19101 Fixed to properly delete information if df is unused before
19104 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19106 PR rtl-optimization/25799
19107 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19108 Corrected confluence operator to remove bits from op2 before oring
19109 with op1 rather than removing bits from op1.
19110 (df_ru_transfer_function): Corrected test on wrong bitmap which
19111 caused infinite loop. Both of these problems were introduced in
19112 the dataflow rewrite.
19114 2006-01-19 DJ Delorie <dj@redhat.com>
19116 * reload1.c (find_reload_regs): Note the details of reload
19117 failures in the dump file.
19118 (spill_failure): Likewise.
19120 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19122 * loop-iv.c: Include df.h and hashtab.h.
19123 (enum iv_grd_result): New enum.
19124 (DF_REF_IV, DF_REF_IV_SET): New macros.
19125 (struct biv_entry): New.
19126 (df, bivs): New global variables.
19127 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19128 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19130 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19131 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19132 analyzed_for_bivness_p, record_biv): New functions.
19133 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19134 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19135 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19137 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19139 (iv_number_of_iterations): Use new interface to iv analysis.
19140 * loop-unroll.c: Do not include varray.h.
19141 (analyze_iv_to_split_insn): Use new interface to iv
19143 * loop-unswitch.c (may_unswitch_on): Ditto.
19144 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19146 (df_bb_modify): Realloc tables to the new index.
19147 (df_find_use): New function.
19148 * df.h (df_find_use): Declare.
19149 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19151 * cfgloop.h (struct rtx_iv): Remove analysed field.
19152 (iv_get_reaching_def): Removed.
19153 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19154 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19155 (loop-iv.o): Add df.h and hashtab.h dependency.
19156 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19158 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19161 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19163 (__floatundisf, __floatundidf): Likewise.
19164 * libgcc2.h (IS_IBM_EXTENDED): Define.
19166 2006-01-19 DJ Delorie <dj@redhat.com>
19168 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19170 2006-01-19 Paul Brook <paul@codesourcery.com>
19172 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19173 as nothrow when unwinding tables are disabled.
19175 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19178 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19179 of bit-field" when in system header.
19181 2006-01-19 DJ Delorie <dj@redhat.com>
19183 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19184 the 16 bit shift limit of the m16c.
19186 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19189 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19190 * config/i386/i386.c (output_set_got): Output the label if we have one
19191 for the TARGET_DEEP_BRANCH_PREDICTION case.
19193 2006-01-19 Jan Hubicka <jh@suse.cz>
19194 H.J. Lu <hongjiu.lu@intel.com>
19195 Evandro Menezes <evandro.menezes@amd.com>
19197 * invoke.texi (generic): Document
19199 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19200 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19201 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19202 (x86_use_incdec, x86_pad_returns): New variables
19203 (TARGET_CPU_DEFAULT_generic): New constant
19204 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19205 (enum processor_type): Add generic32 and generic64.
19206 * i386.md (cpu attribute): Add generic32/generic64
19207 (movhi splitter): Behave sanely when both partial_reg_dependency and
19208 partial_reg_stall are set.
19209 (K8 splitters): Enable for generic as well.
19210 * predicates.md (incdec_operand): Use TARGET_INCDEC
19211 (aligned_operand): Avoid memory mismatch stalls.
19212 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19213 * ppro.md: Enable for generic32
19214 * i386.c (generic64_cost, generic32_cost): New.
19215 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19216 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19217 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19218 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19219 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19220 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19221 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19222 x86_accumulate_outgoing_args, x86_prologue_using_move,
19223 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19224 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19225 Enable for generic.
19226 (x86_use_incdec, x86_pad_returns): New.
19227 (override_options): Add generic32 and generic64, translate "generic"
19228 to generic32/generic64 and "i686" to "generic32", refuse
19229 "generic32"/"generic64" as arch target.
19230 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19231 (ix86_reorg): Honor PAD_RETURNS.
19233 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19235 * tree-pretty-print.c (dump_generic_node): Handle
19236 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19237 * cgraph.c (cgraph_expand_queue): Rename from
19238 cgraph_analyze_queue. Update all users.
19239 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19240 cgraph_expand_queue.
19241 (cgraph_expand_all_functions): Likewise.
19242 (cgraph_finalize_pending_functions): Remove. Update callers.
19244 * tree.h (OMP_DIRECTIVE_P): Define.
19245 (OMP_PARALLEL_FN): Define.
19246 (OMP_PARALLEL_DATA_ARG): Define.
19247 (OMP_SECTIONS_SECTIONS): Define.
19248 * tree-pass.h (pass_expand_omp): Declare.
19249 * omp-low.c (struct omp_region): Declare.
19250 (struct omp_context): Remove fields 'parallel_type',
19251 'parallel_start_ix' and 'parallel_start_additional_args'.
19253 (struct omp_for_data): Rename from struct expand_omp_for_data.
19254 (omp_regions): New static variable.
19255 (root_omp_region): New static variable.
19256 (find_omp_clause): Make static.
19257 (is_in_combined_parallel_ctx): Remove.
19258 (is_combined_parallel): New.
19259 (extract_omp_for_data): Move earlier in the file.
19260 (workshare_safe_to_combine_p): New.
19261 (get_ws_args_for): New.
19262 (determine_parallel_type): Move earlier in the file.
19263 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19265 (omp_copy_decl): Likewise.
19266 (create_omp_child_function): Likewise.
19267 (lookup_omp_region): New.
19268 (dump_omp_region): New.
19269 (debug_omp_region): New.
19270 (debug_all_omp_regions): New.
19271 (new_omp_region): New.
19272 (scan_omp_parallel): If parallel_nesting_level > 1, the
19273 directive is nested within another parallel directive.
19274 Set OMP_PARALLEL_FN.
19275 (scan_omp_for): Do not try to handle combined parallel+for
19277 Remove FIXME comment.
19278 (scan_omp_nested): Remove.
19279 (scan_omp_1): Do not call scan_omp_nested when
19280 parallel_nesting_level is > 1.
19281 Do not change the DECL_CONTEXT of local variables found.
19282 (lookup_decl_in_outer_ctx): New.
19283 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19284 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19285 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19286 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19287 If CTX is nested, lookup VAR in the outer context when
19288 building copy assignment.
19289 (lower_send_clauses): Rename from expand_send_clauses.
19290 If CTX is nested, lookup VAR in the outer context when
19291 building copy assignments.
19292 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19293 If CTX is nested, lookup VAR in the outer context when
19294 building copy assignments.
19295 (expand_parallel_call): Rename from build_parallel_call.
19296 Handle combined parallel+workshare cases.
19297 Re-implement to emit code into the CFG.
19299 (expand_omp_parallel): Re-implement to emit code into the CFG.
19300 Call move_sese_region_to_fn to outline the sub-graph
19301 containing the parallel region.
19302 (expand_omp_for_1): Remove.
19303 (expand_omp_for_generic): Re-implement to emit code into the
19305 (expand_omp_for_static_nochunk): Likewise.
19306 (expand_omp_for_static_chunk): Likewise.
19307 (expand_omp_for): Likewise.
19308 (expand_omp_sections): Likewise.
19309 (remove_exit_barriers): New.
19310 (expand_omp_synch): New.
19312 (build_omp_regions_1): New.
19313 (build_omp_regions): New.
19314 (execute_expand_omp): New.
19315 (gate_expand_omp): New.
19316 (pass_expand_omp): Define.
19317 (lower_omp_sections): Rename from expand_omp_sections.
19318 Set OMP_SECTIONS_SECTIONS.
19319 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19320 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19321 (lower_omp_single): Rename from expand_omp_simple.
19322 (lower_omp_master): Rename from expand_omp_master.
19323 (lower_omp_ordered): Rename from expand_omp_ordered.
19324 (lower_omp_critical): Rename from expand_omp_critical.
19325 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19326 (lower_omp_for): Re-implement.
19327 (lower_omp_parallel): Re-implement.
19328 (lower_regimplify): Rename from expand_regimplify.
19329 (lower_omp_1): Rename from expand_omp_1.
19330 If there are syntax errors in the program, replace every
19331 OpenMP directive with NOP.
19332 Call lower_omp_* instead of expand_omp_*.
19333 (lower_omp): Rename from expand_omp.
19335 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19336 * tree-gimple.h (enum omp_parallel_type): Remove.
19337 (gimple_boolify): Declare extern.
19338 (find_omp_clause, determine_parallel_type): Remove.
19340 * gimple-low.c (lower_omp_directive): New.
19341 (lower_stmt): Call it.
19342 (record_vars_into): Move from ...
19343 (record_vars): ... here.
19344 Call record_vars_into with current_function_decl.
19346 * gimplify.c (struct gimplify_ctx): Remove fields
19347 combined_pre_p and combined_ctxp. Update users.
19348 (get_formal_tmp_var): Add documentation.
19349 (gimple_boolify): Make extern.
19350 (gimplify_expr_in_ctx): Remove. Update callers.
19351 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19352 will always be a BIND_EXPR.
19353 (gimplify_expr): Handle OMP_RETURN_EXPR.
19354 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19355 (OMP_PARALLEL): Add 3 operands.
19356 (OMP_SECTIONS): Add 1 operand.
19357 (OMP_RETURN_EXPR): Define.
19359 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19360 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19361 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19362 creating a circular free list.
19363 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19365 * tree-flow.h (move_sese_region_to_fn): Declare.
19366 (record_vars_into): Declare.
19367 * tree-cfg.c (make_omp_sections_edges): New.
19368 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19369 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19370 OMP_SECTIONS and OMP_SECTION.
19371 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19372 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19373 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19374 (gather_blocks_in_sese_region): New.
19375 (struct move_stmt_d): Declare.
19376 (move_stmt_r): New.
19377 (move_block_to_fn): New.
19378 (move_sese_region_to_fn): New.
19380 * passes.c (init_optimization_passes): Schedule
19381 pass_expand_omp after pass_init_datastructures.
19383 * tree-ssa-operands.c (get_expr_operands): Handle
19384 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19385 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19387 2006-01-19 Jeff Law <law@redhat.com>
19389 * tree-vrp.c (extract_range_from_assert): Refine the result range
19390 if the variable referenced by the ASSERT_EXPR has a range and
19391 either the tentative result range or the previous range is a
19394 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19396 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19398 2006-01-19 Jan Hubicka <jh@suse.cz>
19400 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19402 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19404 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19405 (expand_compound_operation, expand_field_assignment): Fail if the
19406 bit lengths of an extract operation are out of range.
19407 (make_extraction): Compute wanted_inner_mode based on the position
19408 and length of the extraction. Make it extraction_mode for non-constant
19409 positions, and do not modify offset in that case. When generating a
19410 new MEM, use a mode that can hold the extraction while keeping correct
19411 alignment. Remove code that supported MEMs wrapped by USEs.
19412 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19414 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19416 * config/s390/s390.md ("Y", "y"): New mode attribute.
19417 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19418 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19419 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19420 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19421 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19422 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19423 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19424 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19425 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19426 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19427 "addsi3", "subsi3"): Insn patterns removed.
19428 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19429 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19430 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19431 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19432 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19433 "*sub<mode>3_cconly2"): New insn patterns.
19434 ("addsi3", "subsi3"): New expanders.
19436 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19438 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19439 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19440 existing STMT_VINFO_VECTYPE if available.
19441 (vect_mark_relevant): Add special handling for stmts that are
19442 marked as STMT_VINFO_IN_PATTERN_P.
19443 (vect_analyze_loop): Call vect_pattern_recog.
19444 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19445 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19447 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19448 (vect_recog_func_ptr): New function-pointer type.
19449 * tree-vect-patterns.c: New file.
19450 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19451 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19452 (vect_pattern_recog_1): New functions.
19453 (vect_pattern_recog_funcs): New array of function pointers.
19455 * tree-vectorizer.h (ternary_op): New enum value.
19456 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19457 declaration. Revised documentation. Removed redundant dump prints.
19458 Removed redundant argument. Added support for reduction patterns.
19459 (vectorizable_reduction): Added support for reduction patterns.
19460 (vect_transform_stmt): Added support for patterns.
19462 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19463 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19464 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19465 (expand_widen_pattern_expr): New function.
19466 (init_optabs): Initialize new optabs udot_prod_optab,
19468 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19469 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19470 (expand_widen_pattern_expr): New function declaration.
19471 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19473 * tree-inline.c (estimate_num_insns_1): Added cases for new
19474 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19475 * tree-pretty-print.c (dump_generic_node): Likewise.
19476 (op_prio): Likewise.
19477 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19478 * tree-ssa-operands.c (get_expr_operands): Added case for
19480 * tree-vect-patterns.c (widened_name_p): New function.
19481 (vect_recog_dot_prod_pattern): Added function implementation.
19482 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19483 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19484 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19485 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19487 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19488 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19489 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19490 (init_optabs): Initialize new optabs widen_ssum_optab,
19492 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19493 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19494 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19495 use instead of type of def.
19496 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19497 function implementation.
19498 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19499 widen_ssumv8hi): New.
19501 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19504 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19507 * c-decl.c (add_flexible_array_elts_to_size): New function.
19508 (finish_decl): Use it.
19510 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19512 * diagnostic.h: Include options.h.
19513 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19514 dependancies for diagnostic.h.
19515 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19517 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19519 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19520 (ssa_ro_call_cache_valid): Ditto.
19521 * tree-ssa-alias.c (sort_tags_by_id): New function.
19522 (init_transitive_clobber_worklist): Ditto.
19523 (add_to_worklist): Ditto.
19524 (mark_aliases_call_clobbered): Ditto.
19525 (compute_tag_properties): Ditto.
19526 (set_initial_properties): Ditto.
19527 (compute_call_clobbered): Ditto.
19528 (compute_may_aliases): Call compute_call_clobbered and grouping.
19529 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19530 (compute_flow_insensitive_aliasing): Grouping now happens in our
19532 (setup_pointers_and_addressables): Remove clobbering related code.
19533 (add_may_alias): Ditto.
19534 (replace_may_alias): Ditto.
19535 (get_nmt_for): Ditto.
19536 (create_global_var):
19537 (is_escape_site): Return an escape_type enumeration.
19538 * tree-flow-inline.h (is_call_clobbered): Global var does not
19539 imply call clobbered.
19540 (mark_call_clobbered): Take a reason for marking this. Remove
19541 marking of globalness, and cache invalidation.
19542 (clear_call_clobbered): Remove cache invalidation code.
19543 * tree-dfa.c (dump_variable): If details is on, dump the reason
19545 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19547 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19548 (struct var_ann_d): Ditto.
19549 (enum escape_type): New.
19550 (mark_call_clobbered): Adjust prototype.
19551 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19552 are never call clobbered.
19553 Record reasons for escaping.
19554 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19555 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19556 (ssa_ro_call_cache_valid): Ditto.
19557 (clobbered_v_may_defs): Ditto.
19558 (clobbered_vuses): Ditto.
19559 (ro_call_vuses): Ditto.
19560 (clobber_stats): New.
19561 (init_ssa_operands): Zero out clobber stats.
19562 (fini_ssa_operands): Print out clobber stats.
19563 (get_call_expr_operands): Pass callee fndecl to
19564 add_call_read_ops).
19565 (add_call_clobber_ops): Remove use of cache.
19566 Add use of PURE_CONST information.
19567 (add_call_read_ops): Remove use of cache.
19568 Add use of static not_read information.
19570 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19572 Introduce TLS descriptors for i386 and x86_64.
19573 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19574 (TARGET_ANY_GNU_TLS): New macro.
19575 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19576 (struct machine_function): Add tls_descriptor_call_expanded_p.
19577 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19578 (ix86_current_function_calls_tls_descriptor): Likewise.
19579 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19580 (override_options): Introduce gnu2 tls dialect.
19581 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19583 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19585 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19586 (ix86_init_machine_status): Initialize new field.
19587 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19588 (ix86_tls_module_base): New.
19589 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19590 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19591 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19592 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19593 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19594 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19595 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19596 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19597 * config/i386/predicates.md (tls_modbase_operand): New.
19598 (tp_or_register_operand): New.
19600 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19602 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19603 (look_for_address_of): Ditto.
19604 (ipa_init): Walk the function decls.
19605 (static_execute): Don't set readonly on FUNCTION_DECL's.
19607 2006-01-18 Roger Sayle <roger@eyesopen.com>
19609 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19610 for shifts where the source and destination registers are different.
19612 2006-01-18 Paul Brook <paul@codesourcery.com>
19614 Merge from csl-arm-branch.
19615 2005-03-14 Julian Brown <julian@codesourcery.com>
19616 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19617 (aeabi_llsl): Likewise.
19618 (ashrdi3): Likewise.
19619 (aeabi_lasr): Likewise.
19620 (lshrdi3): Likewise.
19621 (aeabi_llsr): Likewise.
19622 2005-03-10 Julian Brown <julian@codesourcery.com>
19623 * config.gcc: Disable shared libgcc for SymbianOS.
19624 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19626 2006-01-18 DJ Delorie <dj@redhat.com>
19628 * c-pragma.c (handle_pragma_diagnostic): New.
19629 (init_pragma): Register it.
19630 * doc/extend.texi: Document it.
19632 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19633 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19634 (diagnostic_context): Add classify_diagnostic[].
19635 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19636 as errors if they're overridden to DK_WARNING.
19637 (diagnostic_initialize): Initialize classify_diagnostic[].
19638 (diagnostic_set_kind_override): New.
19639 (diagnostic_report_diagnostic): Check for kind changes.
19640 * opts.c (common_handle_option): Take lang_mask. Update callers.
19641 Handle OPT_Werror_.
19642 * common.opt (Werror=): New.
19643 * doc/invoke.texi: Document -Werror=*
19645 2006-01-18 Jeff Law <law@redhat.com>
19647 * tree-vrp.c (test_for_singularity): Correct test for new
19648 min limit. Use operand_equal_p rather than pointer equality
19649 for testing if new min/max values are equal.
19651 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19652 using range information until after propagation and folding.
19654 2006-01-18 Richard Henderson <rth@redhat.com>
19655 Aldy Hernandez <aldyh@redhat.com>
19656 Jakub Jelinek <jakub@redhat.com>
19657 Diego Novillo <dnovillo@redhat.com>
19659 * omp-low.c: New file.
19660 * c-omp.c: New file.
19662 2006-01-18 Richard Henderson <rth@redhat.com>
19663 Jakub Jelinek <jakub@redhat.com>
19664 Diego Novillo <dnovillo@redhat.com>
19666 * doc/invoke.texi: Document -fopenmp.
19667 * tree-dump.h (debug_function): Declare.
19668 * hooks.c (hook_bool_tree_bool_false): New function.
19669 (hook_tree_tree_null): Remove.
19670 (hook_tree_tree_tree_null): New.
19671 * hooks.h: Update to match.
19672 * tree-pretty-print.c (debug_tree_chain): New.
19673 (print_generic_expr): Handle TDF_CHAIN.
19674 (dump_generic_node): Handle BLOCK.
19675 Do not abort with incomplete SWITCH_EXPRs.
19676 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19677 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19678 print space after directive name.
19679 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19680 Handle OMP_MASTER and OMP_ORDERED.
19681 Handle printing of OMP_BODY just in one place, goto
19682 dump_omp_body in the rest of OMP_* nodes that have
19684 Don't handle clause nodes here. Update omp statements to
19685 use dump_omp_clauses.
19686 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19687 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19688 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19689 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19690 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19691 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19692 Adjust output for GOMP_PARALLEL.
19693 (dump_omp_clauses): New.
19694 (print_declaration): Dump DECL_VALUE_EXPR.
19695 (op_symbol_1): Split out of op_symbol.
19696 (dumping_stmts): Remove. Update all users.
19697 * cgraph.c (cgraph_analyze_queue): New.
19698 (cgraph_add_new_function): New.
19699 * cgraph.h (cgraph_analyze_queue): Declare.
19700 (cgraph_add_new_function): Declare.
19701 (cgraph_lower_function): Remove.
19702 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19703 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19704 and TYPE_P nodes in its default clause.
19705 (empty_body_p): New.
19706 (tree_range_check_failed): New.
19707 (build5_stat): New.
19708 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19709 OMP_CLAUSE_REDUCTION_MERGE,
19710 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19711 OMP_CLAUSE_PRIVATE_DEBUG,
19712 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19713 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19714 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19715 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19716 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19717 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19718 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19719 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19720 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19721 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19722 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19723 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19724 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19725 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19726 (TREE_RANGE_CHECK): New.
19727 (empty_body_p): Declare.
19728 (enum omp_clause_default_kind): New.
19729 (build_string_literal): Declare.
19730 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19731 (build5_stat, build5): Declare.
19732 * tree-pass.h (TDF_CHAIN): Define.
19733 * tree-pass.h (PROP_gimple_lomp): Define.
19734 (pass_lower_omp): Declare.
19735 * diagnostic.h (debug_tree_chain): Declare.
19736 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19738 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19739 * builtins.c (build_string_literal): Make extern.
19740 * gcc.c (include_spec_function): New.
19741 (static_spec_functions): Add it.
19742 (main): Move load of libgomp.spec ...
19743 (LINK_COMMAND_SPEC): ... here.
19744 (link_gomp_spec): New.
19745 (static_specs): Include it.
19746 (LINK_COMMAND_SPEC): Add link_gomp.
19747 (GOMP_SELF_SPECS): New.
19748 (driver_self_specs): Include it.
19749 (switch_matches): Don't mark inline.
19750 (main): Load libgomp.spec.
19751 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19752 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19753 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19754 * tree-gimple.h (enum omp_parallel): Declare.
19755 (determine_parallel_type): Declare.
19756 (omp_firstprivatize_variable): Declare.
19757 (omp_reduction_init): Declare.
19758 (diagnose_omp_structured_block_errors): Declare.
19759 (struct walk_stmt_info): Add want_return_expr.
19760 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19761 (find_omp_clause): Declare.
19762 (insert_field_into_struct): Declare.
19763 (struct walk_stmt_info): Move from tree-nested.c
19764 (walk_stmts): Declare.
19765 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19767 * cgraphunit.c (cgraph_lower_function): Make static.
19768 (cgraph_finalize_pending_functions): New.
19769 (cgraph_finalize_function): Call it.
19770 (cgraph_finalize_compilation_unit): Likewise.
19771 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19772 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19773 (BT_FN_UINT_UINT): New.
19774 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19775 DEF_FUNCTION_TYPE_VAR_4): Document.
19776 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19777 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19778 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19779 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19780 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19781 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19782 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19783 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19784 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19785 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19786 into separate files.
19787 (DEF_GOMP_BUILTIN): New.
19788 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19789 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19790 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19791 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19792 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19793 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19794 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19795 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19796 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19797 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19798 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19799 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19800 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19801 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19802 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19803 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19804 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19805 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19806 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19807 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19808 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19809 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19810 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19811 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19812 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19813 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19814 * sync-builtins.def: New file, moved from builtins.def.
19815 * omp-builtins.def: New file, moved from builtins.def.
19816 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19817 * gimple-low.c (lower_function_body): Clear data.
19818 (lower_stmt): Do not handle COMPOUND_EXPR.
19819 Remove call to print_node_brief.
19820 * c-tree.h (c_finish_omp_clauses): New prototype.
19821 (C_DECL_THREADPRIVATE_P): Define.
19822 (lookup_name_no_remap, c_omp_remap_private): Remove
19823 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19824 (check_for_loop_decls): Update decl.
19825 (lookup_name_no_remap, c_omp_remap_private): Declare.
19826 (build_indirect_ref, build_modify_expr, pushdecl,
19827 pushdecl_top_level): Move to c-common.h.
19828 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19829 before the switch, but just in the 2 places that need it.
19830 * c-decl.c (diagnose_mismatched_decls): Do not check for
19831 mismatched thread-local attributes when OLDDECL is marked
19832 threadprivate and NEWDECL has no thread-local attributes.
19833 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19834 (c_gimple_diagnostics_recursively): Rename from
19835 c_warn_unused_result_recursively. Invoke
19836 diagnose_omp_structured_block_errors.
19837 (check_for_loop_decls): Return a singular decl found.
19838 * langhooks.c (lhd_omp_predetermined_sharing): Return
19839 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19840 (lhd_omp_firstprivatize_type_sizes): New.
19841 (lhd_omp_assignment): New.
19842 (lhd_omp_predetermined_sharing): New.
19843 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19844 (struct lang_hooks_for_types): Add
19845 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19846 omp_predetermined_sharing, omp_disregard_value_expr,
19847 omp_private_debug_clause, omp_clause_default_ctor,
19848 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19849 (c_finish_omp_clauses): New.
19850 (c_finish_bc_stmt): Diagnose break within omp for.
19851 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19852 (build_unary_op): Return error_mark after reporting
19854 (build_modify_expr): Likewise.
19855 * gimplify.c: Include optabs.h and pointer-set.h.
19856 (enum gimplify_omp_var_data): Declare.
19857 (struct gimplify_omp_ctx): Declare.
19858 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19860 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19861 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19862 (splay_tree_compare_decl_uid): New.
19863 (new_omp_context): New.
19864 (delete_omp_context): New.
19865 (gimple_add_tmp_var): Call omp_add_variable.
19866 (gimplify_bind_expr): Likewise.
19867 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19868 true, disregard DECL_VALUE_EXPR on the decl if any.
19869 (gimplify_expr_in_ctx): New.
19870 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19871 omp_add_variable, omp_notice_variable, omp_is_private
19872 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19873 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19874 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19875 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19876 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19877 gimplify_omp_atomic): New.
19878 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19879 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19880 OMP_CRITICAL and OMP_ATOMIC.
19881 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19882 * c-pragma.h (enum pragma_kind): Add
19883 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19884 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19885 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19886 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19887 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19888 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19889 PRAGMA_OMP_THREADPRIVATE.
19890 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19891 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19892 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19893 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19894 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19895 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19896 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19897 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19898 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19899 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19900 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19901 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19902 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19904 (struct nesting_info): Add field_map,
19905 suppress_expansion, debug_var_chain.
19906 (create_nesting_tree): Initialize them.
19907 (lookup_field_for_decl): Use field_map.
19908 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19909 (convert_local_omp_clauses): New.
19910 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19911 (walk_body): Split out of walk_function.
19912 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19913 (convert_nonlocal_reference): Handle omp statements.
19914 (convert_local_reference): Likewise.
19915 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19916 (unnest_nesting_tree): New.
19917 (lower_nested_functions): Call it.
19918 (insert_field_into_struct): Make extern.
19919 (struct walk_stmt_info): Move to tree-gimple.h.
19920 (walk_stmts): Make extern.
19921 * omp-builtins.def: New file.
19922 * tree-iterator.c (expr_only): Clarify comment.
19923 * c-common.h (pushdecl_top_level, pushdecl,
19924 build_modify_expr, build_indirect_ref,
19925 c_finish_omp_master, c_finish_omp_critical,
19926 c_finish_omp_ordered, c_finish_omp_barrier,
19927 c_finish_omp_atomic, c_finish_omp_flush,
19928 c_finish_omp_for, c_split_parallel_clauses,
19929 omp_clause_default_kind, c_omp_sharing_predetermined,
19930 c_omp_remap_decl): Declare.
19931 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19932 (OBJS-common): Add omp-low.o.
19933 (c-omp.o, omp-low.o): Add.
19934 (gimplify.o): Add dependency on $(OPTABS_H).
19935 (GTFILES): Add omp-low.c.
19936 (gt-stringpool.h): Add.
19937 * tree-cfg.c (set_bb_for_stmt): Do not update the
19938 block-to-labels map if we are currently expanding to RTL.
19939 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19941 Handle IDENTIFIER_NODE.
19942 (tree_verify_flow_info): Do not ICE when emitting error
19943 messages about invalid labels.
19944 (dump_function_to_file): Reset CFUN before emitting the body
19946 (debug_function): New.
19947 * passes.c (init_optimization_passes): Schedule
19949 * langhooks-def.h (lhd_omp_predetermined_sharing,
19950 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19952 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19953 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19954 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19955 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19956 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19957 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19958 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19959 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19960 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19961 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19962 (LANG_HOOK_DECLS): Use them.
19964 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
19965 Richard Henderson <rth@redhat.com>
19966 Jakub Jelinek <jakub@redhat.com>
19967 Diego Novillo <dnovillo@redhat.com>
19969 * c-parser.c (pragma_omp_clause): Define.
19970 (c_parser_declaration_or_fndef): Document OpenMP syntax.
19971 (c_parser_compound_statement): Likewise.
19972 (c_parser_statement): Likewise.
19973 (c_parser_pragma): Handle omp pragmas.
19974 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19975 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19976 (c_parser_omp_clause_name, check_no_duplicate_clause,
19977 c_parser_omp_variable_list,
19978 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19979 c_parser_omp_clause_copyprivate,
19980 c_parser_omp_clause_default,
19981 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19982 c_parser_omp_clause_lastprivate,
19983 c_parser_omp_clause_nowait,
19984 c_parser_omp_clause_num_threads,
19985 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19986 c_parser_omp_clause_reduction,
19987 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
19988 c_parser_omp_all_clauses, c_parser_omp_structured_block,
19989 c_parser_omp_atomic, c_parser_omp_barrier,
19990 c_parser_omp_critical, c_parser_omp_flush,
19991 c_parser_omp_for_loop, c_parser_omp_for,
19992 c_parser_omp_master, c_parser_omp_ordered,
19993 c_parser_omp_sections_scope, c_parser_omp_sections,
19994 c_parser_omp_parallel, c_parser_omp_single,
19995 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19996 * c-pragma.c (init_pragma): Do omp pragma registration here.
19997 * c.opt (fopenmp): New flag.
19999 2006-01-18 Eric Christopher <echristo@apple.com>
20001 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20002 * config/darwin.h (GOMP_SELF_SPECS): Define.
20004 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20006 * rtl.h: Remove the prototype for reg_alloc.
20008 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20011 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20012 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20013 sjlj and dwarf2 exception handling.
20014 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20015 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20016 * pa/pa.c (function_value): Treat complex and vector types as
20018 (function_arg): Likewise. Only pass scalar floats in the floating
20019 point argument registers.
20020 * pa/t-slibgcc-dwarf-ver: New file.
20021 * pa/t-slibgcc-sjlj-ver: New file.
20022 * pa/t-slibgcc-elf-ver: Delete file.
20024 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20026 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20027 unlikely_test_section_p test.
20029 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20031 * mode-switching.c (optimize_mode_switching): Make it static.
20032 * basic-block.h: Remove the prototype for
20033 optimize_mode_switching.
20035 * modulo-sched.c (sms_schedule): Make it static.
20036 * rtl.h: Remove the prototype for sms_schedule.
20038 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20039 * rtl.h: Remove the prototype for gcse_after_reload_main.
20041 * reg-stack.c (reg_to_stack): Make it static.
20042 * rtl.h: Remove the prototype for reg_to_stack.
20044 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20046 * rtl.h: Remove the prototypes for regrename_optimize and
20047 copyprop_hardreg_forward.
20049 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20051 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20052 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20053 Test against the appropriate null constant for the mode.
20054 If 'fixup_overlap' is true, swap the operands if they overlap.
20055 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20056 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20057 alpha_split_tmode_pair and adjust for above change.
20058 * config/alpha/alpha.md (movtf_internal): Adjust call to
20059 alpha_split_tfmode_pair and rely on it to swap the operands.
20060 (movti_internal): New insn and post-reload splitter.
20061 (movti): New expander.
20063 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20065 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20068 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20070 * rtlanal.c (global_reg_mentioned_p_1,
20071 global_reg_mentioned_p): Remove.
20072 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20074 * flow.c (initialize_uninitialized_subregs): Make it static.
20075 * rtl.h: Remove the prototype for
20076 initialize_uninitialized_subregs.
20078 * function.c (instantiate_virtual_regs): Make it static.
20079 * function.h: Remove the prototype for
20080 instantiate_virtual_regs.
20082 * regmove.c (regmove_optimize, combine_stack_adjustments):
20084 * rtl.h: Remove the prototypes for regmove_optimize and
20085 combine_stack_adjustments.
20087 2006-01-17 Roger Sayle <roger@eyesopen.com>
20089 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20090 (size_cost): Encode costs in bytes so that a reg-reg addition is
20091 equivalent to COSTS_N_INSNS(1).
20092 (override_options): Use the size_cost.branch_cost as the default
20093 ix86_branch_cost when optimizing for size.
20095 2006-01-18 Ben Elliston <bje@au.ibm.com>
20097 * Makefile.in (D32PBIT_FUNCS): New.
20098 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20099 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20100 D64PBIT_FUNCS and D128PBIT_FUNCS.
20101 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20102 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20104 (decnumber_dep): Define.
20105 * doc/libgcc.texi (Decimal float library routines): New node.
20106 * config/dfp-bit.h, config/dfp-bit.c: New files.
20108 2006-01-18 Ben Elliston <bje@au.ibm.com>
20110 * expr.c (emit_move_change_mode): Always adjust addresses, not
20111 just during reload. Copy replacements only during reload.
20112 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20113 emit_move_via_integer.
20115 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20117 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20118 instead of $(srcdir) and ${srcdir}.
20120 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20123 PR middle-end/11135
20124 * arm.h (struct machine_function): Add pic_reg.
20125 * arm.c (arm_pic_register): Make unsigned.
20126 (arm_override_options): Only set arm_pic_register if
20127 TARGET_SINGLE_PIC_BASE.
20128 (use_return_insn): Only test for a pic register if it is fixed.
20129 (arm_compute_save_reg0_reg12_mask): Likewise.
20130 (thumb_compute_save_reg_mask): Likewise.
20131 (legitimate_pic_operand): Factor out some known invariants.
20132 (legitimize_pic_address): If we don't have a fixed pic register,
20133 then set up a pseudo in the function entry sequence. Handle the
20134 pic base being in a pseudo.
20135 (arm_load_pic_register): Handle the pic register being in a pseudo.
20136 (arm_expand_prologue): Only set up the pic register if it is fixed.
20137 (thumb_expand_prologue): Likewise.
20138 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20139 (pic_load_addr_based_insn): Likewise.
20140 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20143 2006-01-18 Ben Elliston <bje@au.ibm.com>
20145 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20146 decimal float modes for all floating point registers.
20148 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20149 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20151 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20154 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20155 even when the pointer is not NULL.
20157 2006-01-16 Ian Lance Taylor <ian@airs.com>
20159 * common.opt (ftoplevel-reorder): New option.
20160 * cgraph.c (cgraph_asm_nodes): New global variable.
20161 (cgraph_asm_last_node): New static variable.
20162 (cgraph_order): New global variable.
20163 (cgraph_create_node): Set new order field.
20164 (cgraph_varpool_node): Likewise.
20165 (decide_is_variable_needed): Return true if not
20166 flag_toplevel_reorder.
20167 (cgraph_add_asm_node): New function.
20168 * cgraph.h (struct cgraph_node): Add order field.
20169 (struct cgraph_varpool_node): Add order field.
20170 (struct cgraph_asm_node): Define.
20171 (cgraph_asm_nodes, cgraph_order): Declare.
20172 (cgraph_add_asm_node): Declare.
20173 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20175 (cgraph_varpool_assemble_pending_decls): Call it.
20176 (cgraph_output_pending_asms): New static function.
20177 (cgraph_finalize_compilation_unit): Call it.
20178 (struct cgraph_order_sort): Define.
20179 (cgraph_output_in_order): New static function.
20180 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20181 !flag_toplevel_reorder case.
20182 * c-parser.c: Include "cgraph.h".
20183 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20185 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20186 than -fno-unit-at-a-time.
20187 * doc/invoke.texi (Option Summary): Mention
20188 -fno-toplevel-reorder.
20189 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20190 -funit-at-a-time documentation.
20192 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20193 Kazu Hirata <kazu@codesourcery.com>
20195 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20197 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20199 * Makefile.in (FUNCTION_H): New. Use it instead of
20200 function.h throughout the file.
20201 * function.h: Include tree.h.
20203 2006-01-17 Ben Elliston <bje@au.ibm.com>
20205 * recog.c: Separate some functions with whitespace.
20207 2006-01-16 Richard Henderson <rth@redhat.com>
20209 Merge from gomp branch:
20210 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20211 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20212 and rename from struct inline_data. Rename callee* to dst*;
20213 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20214 transform_new_cfg, transform_return_to_modify, and
20215 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20217 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20218 (copy_decl_for_dup): Remove.
20219 * tree-inline.c (struct inline_data): Move to header.
20220 (insert_decl_map): Export.
20221 (remap_decl): Update for member name changes. Use copy_decl hook.
20222 Allow for replacement to be a non-decl. Remove dead code.
20223 (remap_type_1): Check for existing mapping.
20224 (remap_type): Export.
20225 (remap_decls): Update for member name changes.
20226 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20227 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20228 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20229 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20230 (tree_function_versioning, build_duplicate_type): Likewise.
20231 (copy_body_r): Likewise. Export.
20232 (copy_decl_for_dup): Split into ...
20233 (copy_decl_for_dup_finish, copy_decl_to_var,
20234 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20235 (replace_ref_tree, inlining_p): Remove.
20237 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20239 * ifcvt.c (if_convert): Make it static.
20240 * rtl.h: Remove the prototype for if_convert.
20242 * local-alloc.c (local_alloc): Make it static.
20243 * rtl.h: Remove the prototype for local_alloc.
20245 * loop.c (loop_optimize): Make it static.
20246 * cfgloop.h: Remove the prototype for loop_optimize.
20249 2006-01-16 DJ Delorie <dj@redhat.com>
20251 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20254 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20256 * pa.md: Disparage copies between general and floating-point registers
20257 in 32-bit move patterns.
20259 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20262 * Makefile.in (check-%): Depend on site.exp instead of
20263 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20266 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20268 * global.c (global_alloc): Make it static.
20269 * rtl.h: Remove the prototype for global_alloc.
20271 2006-01-16 Richard Guenther <rguenther@suse.de>
20273 * tree-ssa-alias.c (struct used_part): Add write_only field.
20274 (get_or_create_used_part_for): Initialize it to true.
20275 (create_overlap_variables_for): Don't create structure variables
20276 for structures that only are written to.
20277 (find_used_portions): Handle MODIFY_EXPR to track whether a
20278 structure is only written to.
20280 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20282 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20284 * basic-block.h: Remove the prototype for
20285 partition_hot_cold_basic_blocks.
20287 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20289 * cppspec.c (lang_specific_spec_functions): Remove.
20290 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20291 * gcc.h (lang_specific_spec_functions): Remove.
20292 * gccspec.c (lang_specific_spec_functions): Remove.
20294 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20296 * combine.c (record_value_for_reg): Invalidate registers
20298 (record_dead_and_set_regs_1): Likewise, by passing them to
20299 record_value_for_reg.
20300 (record_dead_and_set_regs): Invalidate stores made by a
20301 call. We do not combine across a call, but we still
20302 relied on equivalences.
20304 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20306 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20307 vrp_int_const_binop returning non-constant nodes.
20309 2006-01-16 Paul Brook <paul@codesourcery.com>
20311 * config/m68k/m68k.c (output_move_const_into_data_reg):
20312 Output correct mnemonic for mvz and mvs.
20314 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20316 * rtl-factoring.c: Add sequence abstraction algorithm.
20317 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20318 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20320 (block_has_preserve_label): New function.
20321 * common.opt: Register new pass.
20322 * Makefile.in: Ditto.
20324 * timevar.def: Ditto.
20325 * tree-pass.h: Ditto.
20326 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20327 * rtl.h (make_jump_insn_raw): Add forward decl.
20328 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20330 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20331 Roger Sayle <roger@eyesopen.com>
20333 * fold-const.c (fold_minmax): New static function.
20334 (fold_binary) <MIN_EXPR>: Call it.
20335 <MAX_EXPR>: Likewise.
20336 * stor-layout.c (place_field): Use DECL_SIZE consistently
20337 in the computation of the new record size.
20339 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20341 * cse.c (cse_condition_code_reg): Make it static.
20342 * rtl.h: Remove the prototype for cse_condition_code_reg.
20344 * combine.c (combine_instructions): Make it static.
20345 * rtl.h: Remove the prototype for combine_instructions.
20347 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20350 * tree.c (get_file_function_name_long): Concatenate the first global
20351 object name with a string derived from the input filename of the object
20354 2006-01-16 Ben Elliston <bje@au.ibm.com>
20356 * config/i386/winnt-stubs.c: Update FSF address.
20357 * config/xtensa/ieee754-df.S: Ditto.
20358 * config/xtensa/ieee754-sf.S: Ditto.
20360 2006-01-14 Ian Lance Taylor <ian@airs.com>
20362 * ifcvt.c (noce_init_if_info): New static function, broken out of
20363 noce_process_if_block.
20364 (noce_process_if_block): Call noce_init_if_info.
20365 (check_cond_move_block): New static function.
20366 (cond_move_process_if_block): New static function.
20367 (process_if_block): Call cond_move_process_if_block.
20369 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20371 * cselib.c (hash_table): Rename to cselib_hash_table.
20372 (cselib_clear_table, discard_useless_values,
20373 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20374 cselib_init, cselib_finish): Adjust uses of hash_table.
20376 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20378 PR tree-optimization/25485
20379 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20380 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20381 is known to be false and true, respectively.
20383 2006-01-14 Richard Guenther <rguenther@suse.de>
20385 PR tree-optimization/22548
20386 PR tree-optimization/22555
20387 PR tree-optimization/22501
20388 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20389 * params.def (salias-max-array-elements): New parameter.
20390 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20391 * doc/invoke.texi (salias-max-array-elements): Document.
20392 * tree-flow-inline.h (var_can_have_subvars): We also handle
20394 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20396 * tree-ssa-structalias.c (params.h): Include.
20397 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20398 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20399 (get_constraint_for): For ADDR_EXPR operating on something
20400 containing an ARRAY_REF, add all subvars to the solution.
20401 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20402 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20403 for creating MUST_DEFs.
20404 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20406 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20408 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20410 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20411 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20412 number_of_iterations_le): New functions.
20413 (number_of_iterations_special): Removed.
20414 (number_of_iterations_exit): Do not use number_of_iterations_special.
20415 * tree.c (unsigned_type_for): Always return integer type.
20417 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20418 Richard Guenther <rguenther@suse.de>
20420 PR rtl-optimization/24257
20421 * gcse.c (find_moveable_store): Only consider a store movable
20422 when the SET_SRC of the insn can be assigned to a register.
20424 2006-01-14 Ian Lance Taylor <ian@airs.com>
20426 * tree.c (tree_not_class_check_failed): New function.
20427 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20428 (tree_not_class_check_failed): Declare.
20430 2006-01-13 Ian Lance Taylor <ian@airs.com>
20432 * reload1.c (do_output_reload): Add assertion rejecting a
20435 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20437 * combine.c (struct reg_stat): Add new fields truncation_label and
20439 (record_value_for_reg): Reset truncated_to_mode.
20440 (record_truncated_value): New function.
20441 (check_promoted_subreg): Call it. Rename to check_conversions.
20442 (combine_instructions): Rename check_promoted_subreg to
20444 (reg_truncated_to_mode): New function.
20445 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20446 (gen_lowpart_or_truncate): New function.
20447 (force_to_mode): Use it instead of gen_lowpart.
20449 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20451 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20452 VAR is a tag, not its type tag.
20454 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20456 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20457 alternatives to match style of other entries.
20458 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20460 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20462 PR tree-optimization/25771
20463 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20466 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20469 * tree-inline.c (declare_return_variable): If the return variable
20470 was marked as a non gimple complex, set the return slot variable
20471 to be a non gimple comple variable.
20473 2006-01-13 Richard Guenther <rguenther@suse.de>
20475 * builtins.c (expand_builtin_sincos): New function.
20476 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20478 (expand_builtin): Expand sincos using expand_builtin_sincos.
20480 2006-01-12 DJ Delorie <dj@redhat.com>
20482 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20483 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20484 so that constant shifts can be split.
20485 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20486 (m32c_valid_pointer_mode): Make static.
20487 (shift_gen_func_for): New.
20488 (m32c_prepare_shift): Use it. Split large const shifts into
20490 * config/m32c/predicates.md (shiftcount_operand): Allow more
20492 (longshiftcount_operand): New.
20493 * doc/md.texi (Machine Constraints): Document In6.
20495 2006-01-13 Ben Elliston <bje@au.ibm.com>
20497 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20498 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20501 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20503 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20504 to try to avoid clobbering pieces of structures when we know
20505 something about the whole structure.
20506 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20508 2006-01-13 Ben Elliston <bje@au.ibm.com>
20510 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20511 return in memory, as this is no limitation is no longer present.
20513 2006-01-12 DJ Delorie <dj@redhat.com>
20515 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20516 mova with fb, and for fb+0 -> An.
20518 * config/m32c/mov.md (peephole2): Fix enabling logic.
20520 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20521 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20522 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20523 FINI_ARRAY_SECTION_ASM_OP): Define.
20525 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20527 (m32c_legitimize_reload_address): New logic to reload FB to An.
20528 (m32c_output_reg_push): Add newline.
20529 (m32c_output_reg_pop): Likewise.
20531 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20533 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20535 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20537 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20539 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20541 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20544 2006-01-11 Ben Elliston <bje@au.ibm.com>
20546 * rtlanal.c (find_reg_note): Assert insn is not null.
20548 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20550 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20553 2006-01-11 Jeff Law <law@redhat.com>
20555 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20557 (mark_threaded_blocks, register_jump_thread): New functions.
20558 (thread_through_all_blocks): Remove unwanted argument. No
20559 longer rely on e->aux to communicate thread target info.
20560 Call mark_threaded_blocks. Release the threaded_blocks
20561 bitmap and threaded_edges vector when complete.
20562 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20563 (threaded_blocks): Remove.
20564 (tree_ssa_dominator_optimize): Remove initialization and
20565 finalization of threaded_blocks. Simplify call to
20566 thread_through_all_blocks.
20567 (thread_across_edge): Call register_jump_thread rather than
20568 storing thread information into e->aux.
20569 (free_all_edge_infos): Simplify now that e->aux is no longer
20570 used to communicate with thread_through_all_blocks.
20571 * tree-flow.h (thread_through_all_blocks): Update prototype.
20572 (register_jump_thread): Prototype.
20574 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20576 * df-core.c (df_compact_blocks, df_bb_replace): Use
20577 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20579 2006-01-11 Richard Guenther <rguenther@suse.de>
20581 PR tree-optimization/25734
20582 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20583 stop propagation after successful propagation to the LHS.
20585 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20587 * basic-block.h (control_flow_graph): Change the type of
20588 x_basic_block_info to VEC(basic_block,gc) *.
20589 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20591 (SET_BASIC_BLOCK): New.
20592 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20593 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20594 * cfgbuild.c (find_basic_blocks): Likewise.
20595 * cfglayout.c (fixup_reorder_chain): Likewise.
20596 * cfgrtl.c (create_basic_block_structure,
20597 rtl_create_basic_block): Likewise.
20598 * ifcvt.c (find_if_case_1): Likewise.
20599 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20602 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20604 * Makefile.in: Removed rotted odf.c entry.
20606 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20609 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20610 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20611 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20612 output pattern modifier, not %e.
20613 * config/cris/cris.c (cris_op_str): Update comment about pattern
20615 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20616 before falling through into...
20617 <case 'E'>: Redefined from old 'e' case.
20619 2006-01-11 Jan Hubicka <jh@suse.cz>
20622 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20624 2006-01-11 Jan Hubicka <jh@suse.cz>
20626 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20627 * i386.c (x86_decompose_lea): Kill.
20628 (ix86_rtx_costs): Kill.
20630 2006-01-11 Jan Hubicka <jh@suse.cz>
20632 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20633 * cgraph.h (cgraph_node): Add inline_decl.
20634 (cgraph_insert_node_to_hashtable): Declare.
20635 (save_inline_function_body): Declare.
20636 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20638 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20639 (cgraph_function_versioning): Update call of tree_function_versioning.
20640 (save_inline_function_body): New function.
20641 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20642 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20643 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20644 (cgraph_default_inline_p): Likewise.
20645 (cgraph_decide_inlining_incrementally): Likewise.
20646 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20647 (copy_bb): Kill saving; do updating of clones.
20648 (copy_cfg_body): Kill saving.
20649 (initialize_inlined-parameters): Likewise.
20650 (expand_call_inline): Likewise.
20652 (tree_function_versioning): New parameter "update_clones".
20653 (inlining_p): Kill saving.
20654 * tree-inline.h (tree_function_versioning): Update prototype.
20655 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20658 2006-01-11 Ian Lance Taylor <ian@airs.com>
20660 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20661 Allow undoing set of machine mode.
20662 (do_SUBST): Use enums instead of is_int.
20663 (do_SUBST_MODE): New function.
20664 (SUBST_MODE): New macro.
20665 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20666 reg and trying to replace reg_regno_rtx with a new register.
20667 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20668 (simplify_set): Use SUBST_MODE.
20669 (distribute_notes): Remove code that tried to update reg notes
20670 for regno_reg_rtx changes.
20672 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20674 PR tree-optimization/23109
20675 PR tree-optimization/23948
20676 PR tree-optimization/24123
20678 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20679 * tree-cfg.c (single_noncomplex_succ): New.
20680 * tree-flow.h (single_noncomplex_succ): Declare it.
20681 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20682 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20683 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20684 insert_bb, register_division_in, insert_reciprocals,
20685 replace_reciprocal, free_bb): New.
20686 (execute_cse_reciprocals_1): Rewritten.
20687 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20688 Do not commit any edge insertion. Always compute dominators and
20689 create the allocation pool.
20690 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20691 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20692 * targhooks.c (default_min_divistions_for_recip_mul): New.
20693 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20694 * passes.c (init_optimization_passes): Run recip after tree loop
20696 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20698 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20699 Kenneth Zadeck <zadeck@naturalbridge.com>
20701 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20702 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20703 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20704 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20705 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20706 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20707 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20708 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20709 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20710 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20711 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20712 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20713 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20714 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20715 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20716 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20717 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20718 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20719 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20720 DF_SCAN_POST_ALLOC): New macros.
20721 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20722 df_free_bb_function, df_local_compute_function, df_init_function,
20723 df_dataflow_function, df_confluence_function_0,
20724 df_confluence_function_n, df_transfer_function,
20725 df_finalizer_function, df_free_function, df_dump_problem_function,
20726 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20727 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20728 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20729 df_urec_bb_info, ) New types.
20730 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20732 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20733 df_analyze_simple_change_some_blocks,
20734 df_analyze_simple_change_one_block, df_compact_blocks,
20735 df_bb_replace, df_bb_regno_last_use_find,
20736 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20737 df_insn_regno_def_p, df_find_def, df_find_use,
20738 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20739 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20740 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20741 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20742 debug_df_chain, df_get_dependent_problem, df_chain_create,
20743 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20744 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20745 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20746 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20747 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20748 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20749 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20750 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20751 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20752 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20753 df_reorganize_refs, df_set_state, df_hard_reg_init,
20754 df_read_modify_subreg_p) New public functions.
20755 * df-core.c: The core dataflow solver and glue routines for rtl
20757 (df_init, df_add_problem, df_set_blocks, df_finish,
20758 df_hybrid_search_forward, df_hybrid_search_backward,
20759 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20760 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20761 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20762 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20763 df_reg_defined, df_find_use, df_reg_used, df_dump,
20764 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20765 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20766 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20767 debug_df_useno, reset_df_after_reload): New functions.
20768 * df-scan.c: The scanning fuctions, once in df.c, completely
20769 rewritten so that they now fully model the functionality of
20770 register usage at the backend.
20771 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20772 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20773 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20774 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20775 df_get_artificial_defs, df_get_artificial_uses,
20776 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20777 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20778 df_refs_delete, df_reorganize_refs, df_set_state,
20779 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20780 df_def_record_1, df_defs_record, df_uses_record,
20781 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20782 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20783 df_record_exit_block_uses, df_hard_reg_init): New functions.
20785 * df-problems.c: Seven concrete dataflow problems that use the
20786 scanning in df-scan.c and are solved by the engine in df-core.c.
20787 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20788 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20789 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20790 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20791 df_ru_free_bb_info, df_ru_alloc,
20792 df_ru_bb_local_compute_process_def,
20793 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20794 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20795 df_ru_transfer_function, df_ru_free, df_ru_dump,
20796 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20797 df_rd_free_bb_info, df_rd_alloc,
20798 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20799 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20800 df_rd_transfer_function, df_rd_free, df_rd_dump,
20801 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20802 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20803 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20804 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20805 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20806 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20807 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20808 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20809 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20810 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20811 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20812 df_urec_mark_reg_use_for_earlyclobber,
20813 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20814 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20815 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20816 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20817 df_chain_create_bb_process_use, df_chain_create_bb,
20818 df_chain_finalize, df_chain_free, df_chains_dump,
20819 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20820 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20821 df_reg_lifetime): New functions.
20822 * df.c: Deleted file.
20823 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20824 consistent with new df api.
20825 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20826 rest_of_handle_sms): Ditto.
20827 * web.c (unionfind_union, union_defs, entry_register, web_main):
20829 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20830 invariant_expr_equal_p, find_defs, check_dependencies,
20831 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20832 free_inv_motion_data, move_loop_invariants): Ditto.
20833 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20834 Update dependencies.
20835 (odf.c): Added defective entry that was deleted later in day.
20836 * sched-deps.c (sched_analyze_1): Ditto.
20838 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20840 * tree-ssa-operands.c (get_expr_operands): Record addressable
20841 variables directly. Do not call add_stmt_operands for CONST_DECLs
20843 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20844 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20846 2006-01-11 Ben Elliston <bje@au.ibm.com>
20848 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20849 function returns true in the positive case.
20851 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20854 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20855 for SI, DI, SF and DF modes. Add alternatives to copy between
20856 general and floating point registers to the 32-bit patterns.
20857 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20858 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20859 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20860 generating 64-bit code.
20861 * config/pa/pa.c (output_move_double): Handle copies between general
20862 and floating registers.
20864 2006-01-10 Stuart Hastings <stuart@apple.com>
20866 * config/i386/i386.md (set_got): Update.
20867 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20868 (builtin_setjmp_receiver): Mach-O support.
20869 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20870 (GOT_SYMBOL_NAME): Define.
20871 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20872 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20873 * config/i386/i386.c (override_options): Revise for Darwin.
20874 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20875 support. (darwin_x86_file_end): New. (output_set_got): Add label
20876 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20877 * config/i386/i386-protos.h (output_set_got): Likewise.
20878 * config/darwin.c (machopic_legitimize_pic_address): Update
20881 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20883 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20884 when MODE isn't BLKmode.
20886 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20888 PR rtl-optimization/25367
20889 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20891 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20894 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20895 for a negative bound.
20897 2006-01-10 Richard Guenther <rguenther@suse.de>
20899 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20900 Never override with anything constraint.
20902 2006-01-10 Jan Beulich <jbeulich@novell.com>
20904 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20905 256 bits when optimize_size.
20907 2006-01-10 Jan Beulich <jbeulich@novell.com>
20909 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20911 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20912 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20915 2006-01-10 Ben Elliston <bje@au.ibm.com>
20917 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20919 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20920 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20921 (USE_FP_FOR_ARG): Reject decimal float modes.
20922 (function_arg_advance): Likewise.
20923 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20924 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20925 point types in AltiVec vectors.
20926 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20927 (rs6000_libcall_value): Likewise.
20929 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20931 * config/xtensa/ieee754-df.S: New file.
20932 * config/xtensa/ieee754-sf.S: New file.
20933 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20934 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20935 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20937 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20939 * config/sh/predicates.md (binary_float_operator,
20940 binary_logical_operator, commutative_float_operator,
20941 equality_comparison_operator, greater_comparison_operator,
20942 less_comparison_operator, logical_operator,
20943 noncommutative_float_operator, shift_operator,
20944 symbol_ref_operand, unary_float_operator): Remove redundant
20947 2006-01-09 Jeff Law <law@redhat.com>
20949 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20950 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20951 now unused arguments. Callers updated.
20952 (eliminate_redundant_computations): Remove now unused arguments,
20954 (local_fold): Remove, no longer used.
20955 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20957 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20958 (simplify_cond): New function.
20959 (forward_propagate_into_cond): Call simplify_cond.
20961 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20963 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20964 (*vec_extractv2di_1_sse): New.
20966 2006-01-09 Ben Elliston <bje@au.ibm.com>
20968 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
20970 2006-01-08 Richard Guenther <rguenther@suse.de>
20972 * tree-ssa-structalias.c (get_constraint_for): Remove
20973 anyoffset argument.
20974 (get_constraint_for_component_ref): Likewise.
20975 (do_deref): Likewise.
20976 (get_constraint_for): Likewise.
20977 (do_structure_copy): Likewise.
20978 (handle_ptr_arith): Likewise.
20979 (find_func_aliases): Likewise. Remove unused need_anyoffset
20982 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20983 Kaz Kojima <kkojima@gcc.gnu.org>
20985 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20986 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20987 (EXTRA_CONSTRAINT_C16): Remove.
20988 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
20989 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
20990 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20991 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20992 constants of SHmedia. Handle nested constant expressions of
20994 (andcosts): Fix the costs for SHmedia constants.
20995 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20996 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20997 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20998 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20999 (movv4hi_i, movv2si_i): Likewise.
21000 (movsi_const): Adjust the second operand of ior so to match with
21001 the Csu constraint.
21002 (movdi_const, movdi_const_32bit): Likewise.
21003 (movdi_const_16bit+1): Don't sign-extend LOW.
21004 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21006 (*double_shori): Fix the split condition. Use GEN_INT instead
21007 of get_int_mode calls. Mask lower 16-bit of the argument of
21009 (sym2GOTPLT): Remove.
21010 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21012 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21013 instead of EXTRA_CONSTRAINT_C16.
21015 2006-01-07 Ian Lance Taylor <ian@airs.com>
21016 David Edelsohn <edelsohn@gnu.org>
21018 PR rtl-optimization/25662
21019 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21020 for constant operands instead of simplify_gen_binary.
21021 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21022 after trying simplify_binary_operation
21024 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21026 * tree.c (iterative_hash_expr): Hash decls based on UID.
21028 2006-01-06 Eric Christopher <echristo@apple.com>
21030 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21031 (TARGET_UNWIND_EMIT): Fix spelling.
21032 * target.h (gcc_target): Add except_table_label.
21033 * except.c (output_function_exception_table): Use.
21034 * varasm.c (default_emit_except_table_label): New.
21035 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21037 (asm_out): Add here.
21038 * output.h (default_emit_except_table_label): Prototype.
21039 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21040 * config/darwin.c (darwin_emit_except_table_label): Define.
21041 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21043 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21045 PR tree-optimization/18527
21046 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21047 number_of_iterations_special, number_of_iterations_exit):
21048 Move base and step of an iv to a single structure. Add
21049 no_overflow flag, and use it in # of iterations analysis.
21050 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21051 folded_casts argument.
21052 (simple_iv): Pass base and step in a structure. Set no_overflow
21054 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21055 Evaluate expensiveness of computing # of iterations instead of
21056 the final expression.
21057 * tree-scalar-evolution.h (affine_iv): New structure.
21058 (simple_iv): Declaration changed.
21059 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21060 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21061 find_givs_in_stmt): Changed due to simple_iv change.
21063 2006-01-06 Jeff Law <law@redhat.com>
21066 * tree-cfg.c (bsi_replace): Rename final argument from
21067 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21068 change (stmt -> orig_stmt).
21069 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21070 (bsi_remove): Add new argument. Remove EH information
21072 (verify_eh_throw_table_statements): New function.
21073 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21075 * tree-optimize.c (execute_free_cfg_annotations): Verify
21076 the EH throw statement table after removing annotations.
21077 * except.h (verify_eh_throw_table_statements): Prototype.
21078 * tree-flow.h (bsi_remove): Update prototype.
21079 * tree-vrp.c (remove_range_assertions): Add new argument to
21081 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21082 * tree-complex.c (expand_complex_div_wide): Likewise.
21083 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21084 * tree-tailcall.c (eliminate_tailcall): Likewise.
21085 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21086 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21087 * tree-nrv.c (tree_nrv): Likewise.
21088 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21089 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21090 (combine_blocks): Likewise.
21091 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21092 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21093 (cleanup_control_flow): Likewise.
21094 (remove_forwarder_block): Likewise.
21095 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21096 * tree-sra.c (sra_replace): Likewise.
21097 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21098 (forward_propagate_single_use_vars): Likewise.
21099 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21100 * tree-inline.c (expand_call_inline): Likewise.
21101 * tree-vect-transform.c (vect_transform_loop): Likewise.
21102 * tree-outof-ssa.c (rewrite_trees): Likewise.
21103 * tree-cfg.c (make_goto_expr_edges): Likewise.
21104 (cleanup_dead_labels): Likewise.
21105 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21106 (bsi_move_before, bsi_move_after): Likewise.
21107 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21108 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21110 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21113 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21115 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21116 on non gimple variables. Also add checks at the top for decls and
21118 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21120 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21121 and IMAGPART_EXPR for creating MUST_DEFs.
21122 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21123 and NAME_MEMORY_TAG separately from the DECLs.
21125 2006-01-06 Richard Guenther <rguenther@suse.de>
21127 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21128 annotation, if necessary.
21129 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21130 redundant calls to update_stmt.
21131 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21134 2006-01-05 Richard Henderson <rth@redhat.com>
21136 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21138 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21140 * c-typeck.c: Update copyright date.
21142 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21144 * c-typeck.c (build_c_cast): Always warn when casting
21145 from a pointer to an integer of different size, even if
21146 the node was constant.
21148 2006-01-05 Richard Guenther <rguenther@suse.de>
21150 PR tree-optimization/22555
21151 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21152 if one structure field is an array.
21153 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21154 operands even if we found a subvar, but ignore VOPs in this
21156 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21158 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21160 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21162 PR middle-end/24998
21163 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21165 2006-01-05 Richard Guenther <rguenther@suse.de>
21166 Diego Novillo <dnovillo@redhat.com>
21168 * tree-pass.h (TODO_remove_unused_locals): Define.
21169 * gimple-low.c (expand_var_p, remove_useless_vars,
21170 pass_remove_useless_vars): Remove. Update all users.
21171 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21172 (remove_unused_locals): New function.
21173 * tree-flow.h (remove_unused_locals): Declare.
21174 * passes.c (execute_todo): Call remove_unused_locals if
21175 TODO_remove_unused_locals is set.
21176 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21177 * tree-ssa-dce.c (pass_dce): Likewise.
21178 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21180 2006-01-05 Richard Guenther <rguenther@suse.de>
21182 * tree-flow.h (struct fieldoff): Decompose field to
21183 type, size and decl.
21184 * tree-ssa-alias.c (create_sft): Take type as parameter.
21185 (create_overlap_variables_for): Store type, size and decl
21186 in the fieldoff structure.
21187 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21188 of struct fieldoff.
21189 (push_fields_onto_fieldstack): Likewise.
21190 (create_variable_info_for): Likewise. Use offset for the
21191 SFT name if the decl is not available.
21193 2006-01-04 Paul Brook <paul@codesourcery.com>
21195 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21197 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21199 * lambda-code.c (can_put_in_inner_loop): Relax
21201 (can_put_after_inner_loop): New function.
21202 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21203 (perfect_nestify): Change to make copies and modify uses.
21205 2006-01-04 Richard Henderson <rth@redhat.com>
21207 Merge from gomp branch:
21208 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21209 via integer constant.
21210 (pragma_lex): Remove.
21211 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21212 rather than parsing it.
21213 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21214 handle_pragma_extern_prefix): Add %< %> quotes.
21215 (registered_pragmas): New.
21216 (c_register_pragma_1): New.
21217 (c_register_pragma): Use it.
21218 (c_register_pragma_with_expansion): Likewise.
21219 (c_invoke_pragma_handler): New.
21220 (init_pragma): Use cpp_register_deferred_pragma directly for
21222 * c-pragma.h (enum pragma_kind): New.
21223 (pragma_handler): New.
21224 (c_invoke_pragma_handler): Declare.
21225 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21227 * c-common.h (c_common_pch_pragma): Update decl.
21228 * Makefile.in (c-parser.o): Update dependencies.
21229 (GTFILES): Add c-pragma.h.
21230 * c-parser.c (struct c_token): Add pragma_kind.
21231 (struct c_parser): Add in_pragma.
21232 (c_lex_one_token): Always initialize keyword and pragma_kind.
21233 Extract data for CPP_PRAGMA.
21234 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21235 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21236 Don't allow CPP_PRAGMA_EOL if in_pragma.
21237 (c_parser_consume_pragma): New.
21238 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21239 (c_parser_skip_to_end_of_parameter): Likewise.
21240 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21241 (c_parser_skip_to_pragma_eol): New.
21242 (c_parser_external_declaration): Handle CPP_PRAGMA.
21243 (c_parser_compound_statement_nostart): Likewise.
21244 (c_parser_statement_after_labels): Likewise.
21245 (c_parser_pragma): New.
21246 (pragma_lex): Likewise.
21247 (c_parser_pragma_pch_preprocess): New.
21248 (c_parser_new): Merge into ...
21249 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21251 2006-01-04 Jeff Law <law@redhat.com>
21254 * tree-cfg.c (bsi_replace): Remove the original statement
21255 from the EH throw statement table.
21257 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21259 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21260 make the prototype extern "C" and add throw ().
21263 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21264 and pos non-negative and pos + len <= 32.
21265 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21266 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21267 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21270 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21271 as well as sizes not multiple of component size.
21274 * function.c (instantiate_expr): New function.
21275 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21276 walk its DECL_VALUE_EXPR with instantiate_expr.
21278 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21279 DW_OP_deref{,_size} if address isn't going to be added.
21281 2006-01-04 Ben Elliston <bje@au.ibm.com>
21283 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21284 * config/fp-bit.c: Likewise.
21286 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21288 * dominance.c: Add comment about why we use DFS numbering
21291 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21292 Richard Henderson <rth@redhat.com>
21294 Merge from gomp-branch:
21295 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21296 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21298 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21300 PR rtl-optimization/25578
21301 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21302 pass a parameter to simplify_shift_const if changing ASHIFTRT
21305 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21307 * builtins.c (get_builtin_sync_mem): New function.
21308 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21309 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21310 Call get_builtin_sync_mem to generate mem rtx.
21312 2006-01-03 Richard Guenther <rguenther@suse.de>
21315 * stmt.c (add_case_node): Make sure to clear overflow flags
21318 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21320 Merge from gomp-branch.
21321 * config/sparc/sync.md: New file.
21322 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21323 UNSPECV_LDSTUB): New constants.
21324 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21325 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21326 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21329 2006-01-03 Roger Sayle <roger@eyesopen.com>
21331 * combine.c (reg_subword_p): New predicate to test whether the
21332 destination of a set refers to a subword/piece of a register.
21333 (try_combine): Generalize the code to merge the setting of a
21334 pseudo to a constant followed by a set of a subword of that
21335 register to a constant.
21337 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21339 * basic-block.h (control_flow_graph): Change the type of
21340 x_label_to_block_map to VEC(basic_block,gc) *.
21341 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21342 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21344 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21345 VEC(basic_block,heap) *.
21346 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21347 ssa_prop_fini): Adjust the uses of cfg_blocks.
21349 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21351 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21353 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21354 hashing trees instead of a pointer hash.
21355 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21356 compare for MEM_EXPR.
21358 PR rtl-optimization/25130
21359 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21360 when comparing MEMs for GCSE
21362 2006-01-03 Ben Elliston <bje@au.ibm.com>
21364 * targhooks.h (default_decimal_float_supported_p): Declare.
21365 * targhooks.c (default_decimal_float_supported_p): Define.
21366 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21367 `default_decimal_float_supported_p'.
21368 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21370 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21372 * combine.c (apply_distributive_law <SUBREG>): Check
21373 TRULY_NOOP_TRUNCATION.
21375 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21377 * dwarf2out.c (have_switched_text_section): Delete.
21378 (have_multiple_function_sections): New.
21379 (have_location_lists): Make 'bool'.
21380 (add_AT_loc_list): Use 'true' not '1'.
21381 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21382 (output_loc_list): Use have_multiple_function_sections.
21383 (output_ranges): Likewise.
21384 (dwarf2out_begin_function): Set have_multiple_function_sections if
21386 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21387 Check function_section rather than DECL_SECTION_NAME.
21388 (dwarf2out_finish): Use have_multiple_function_sections.
21389 Don't clear have_location_lists.
21391 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21392 Jan Hubicka <jh@suse.cz>
21394 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21395 case of conditional jump jumping to the next instruction.
21396 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21397 cases of conditional jump jumping to the next instruction.
21399 2006-01-02 Jan Hubicka <jh@suse.cz>
21401 * i386.c (*_cost): Add COSTS_N_INSNS.
21402 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21404 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21407 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21409 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21411 * config/arm/arm.c (all_fpus): Fix comment typo.
21412 * config/darwin.c: Likewise.
21413 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21414 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21415 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21417 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21419 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21420 (rs6000_split_compare_and_swapqhi): New.
21421 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21422 (sync_compare_and_swapqhi_internal): New.
21423 * config/rs6000/rs6000-protos.h: Declare.