1 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
3 * reload1.c (delete_output_reload): Count occurrences in
4 CALL_INSN_FUNCTION_USAGE.
5 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
6 crashing at the end of the list.
8 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
10 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
11 Optimize to avoid marking more SMT's as used when they aren't.
13 2006-12-05 Eric Christopher <echristo@apple.com>
15 * config/i386/i386.c (x86_output_aligned_bss): Move out
16 of COMMON_ASM_OP ifdef.
18 2006-12-05 Eric Christopher <echristo@apple.com>
20 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
21 (STARTFILE_SPEC): Use.
22 (DARWIN_DYLIB1_SPEC): New.
23 (DARWIN_CRT1_SPEC): New.
24 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
26 * config/i386/darwin.h: Ditto.
27 * config/rs6000/darwin.h: Ditto.
29 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
31 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
32 * tree-complex.c (pass_lower_complex): Ditto.
33 * tree-ssa-ccp.c (pass_ccp): Ditto.
34 (pass_store_ccp): Ditto.
35 * tree-ssa-dom.c (pass_dominator): Ditto.
36 (pass_phi_only_cprop): Ditto.
37 * tree-sra.c (pass_sra): Ditto.
38 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
39 * tree-flow.h (updating_used_alone): Remove.
40 (updating_used_alone): Ditto.
41 * tree-ssa-alias.c (updating_used_alone): Remove variable.
42 (lhs_may_store_to): Remove function.
43 (recalculate_used_alone): Ditto.
44 (compute_may_aliases): Remove used_alone calculation.
45 * tree.h (struct tree_memory_tag): Remove is_used_alone and
46 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
47 * tree-pass.h (PROP_smt_usage): Remove.
48 * passes.c (execute_todo): Remove used alone recalculation.
49 (execute_one_pass): Ditto.
50 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
53 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
55 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
57 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
59 PR tree-optimization/14784
60 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
62 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
64 Merge from gimple-tuples-branch.
66 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
68 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
70 (s390_gimplify_va_arg): Same.
71 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
72 * config/sh/sh.c (sh_va_start): Same.
73 (sh_gimplify_va_arg_expr): Same.
74 * config/xtensa/xtensa.c (xtensa_va_start): Same.
75 (xtensa_gimplify_va_arg_expr): Same.
76 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
77 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
78 * config/mips/mips.c (mips_va_start): Same.
79 (mips_gimplify_va_arg_expr): Same.
81 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
83 * Merge from mainline at revision 119445.
85 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
87 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
89 (spu_gimplify_va_arg_expr): Same.
91 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
93 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
94 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
95 (xstormy16_expand_builtin_va_arg): Same.
97 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
99 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
100 to GIMPLE_MODIFY_STMT.
102 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
104 * config/alpha/alpha.c (va_list_skip_additions): Change all
105 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
106 (alpha_va_start): Same.
107 (alpha_gimplify_va_arg_1): Same.
108 (alpha_gimplify_va_arg): Same.
110 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
112 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
114 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
116 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
117 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
119 * tree-complex.c: Same.
120 * tree-pretty-print.c: Same.
124 * fold-const.c: Same.
125 * tree-ssa-dom.c: Same.
126 * tree-ssa-propagate.c: Same.
127 * tree-ssa-alias.c: Same.
128 * gimple-low.c: Same.
130 * c-pretty-print.c: Same.
132 * tree-inline.c: Same.
133 * tree-outof-ssa.c: Same.
134 * tree-ssa-structalias.c: Same.
135 * tree-ssa-reassoc.c: Same.
138 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
140 * tree.c (build2_stat): Fix comment.
142 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
144 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
145 TREE_OPERAND when appropriate.
147 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
149 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
150 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
151 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
152 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
153 not handle GIMPLE_MODIFY_STMT in the switch statement.
154 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
155 (java_gimplify_new_array_init): Same.
157 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
159 * gimplify.c (gimplify_omp_for): Allow gimple statements.
160 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
161 * fold-const.c (fold_binary): Allow gimple statements.
163 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
164 Rename from gfc_conv_descriptor_data_set.
165 Call gfc_add_modify instead of gfc_add_modify_expr.
166 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
167 Rename from gfc_conv_descriptor_data_set.
168 (gfc_conv_descriptor_data_set): New macro.
169 (gfc_conv_descriptor_data_set_tuples): New macros.
170 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
171 gfc_conv_descriptor_data_set_tuples.
172 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
173 Generate GIMPLE_MODIFY_STMT when appropriate.
174 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
175 (gfc_add_modify_expr): New macro.
176 (gfc_add_modify_stmt): New macro.
177 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
179 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
181 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
182 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
185 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
187 * Merge from mainline at revision 118200.
189 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
191 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
194 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
196 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
198 Also, add __extension__ to GCC versions.
199 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
200 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
203 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
205 * tree-complex.c (expand_complex_libcall): Adjust for
207 (expand_complex_comparison): Same.
208 * tree-pretty-print.c (dump_generic_node): Is_expr should include
209 GIMPLE_STMT_P statements.
210 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
212 (tree_mod_pow2_value_transform): Same.
213 (tree_mod_subtract_transform): Same.
214 * tree.c (build2_stat): Check for gimplified function in cfun.
215 * tree.h (DECL_GIMPLIFIED): Delete.
216 (struct tree_function_decl): Remove gimplified_flag.
217 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
218 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
219 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
220 (cxx_omp_clause_copy_ctor): Same.
221 (cxx_omp_clause_assign_op): Same.
222 * c-pretty-print.c (pp_c_conditional_expression): Same.
223 (pp_c_expression): Same.
224 * langhooks.c (lhd_omp_predetermined_sharing): Same.
225 * function.h (struct function): Add gimplified field.
226 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
228 (find_phi_replacement_condition): Same.
229 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
230 (gimplify_modify_expr_to_memset): Same.
231 (gimplify_init_ctor_eval_range): Same.
232 (gimplify_modify_expr_complex_part): Same.
233 (tree_to_gimple_tuple): Same.
234 (gimplify_modify_expr): Same.
235 (gimple_push_cleanup): Same.
236 (gimplify_omp_for): Same.
237 (gimplify_omp_atomic_pipeline): Same.
238 (gimplify_omp_atomic_mutex): Same.
239 (gimplify_expr): Same.
240 (gimplify_one_sizepos): Same.
241 (gimplify_function_tree): Same.
242 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
243 (vect_recog_widen_sum_pattern): Same.
244 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
245 (vect_create_epilog_for_reduction): Same.
246 (vectorizable_reduction): Same.
248 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
250 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
251 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
252 (ifc_temp_var): Same.
253 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
254 for gimple statements.
255 (vect_analyze_operations): Same.
256 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
257 * gimplify.c (gimplify_return_expr): Handle gimple statements.
258 * lambda-code.c (can_put_in_inner_loop): Same.
259 (can_put_after_inner_loop): Same.
260 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
261 (vect_create_data_ref_ptr): Same.
262 (vect_init_vector): Same.
263 (vect_get_vec_def_for_operand): Same.
264 (vect_create_epilog_for_reduction): Same.
265 (vectorizable_reduction): Same.
266 (vectorizable_assignment): Same.
267 (vectorizable_operation): Same.
268 (vectorizable_load): Same.
269 (vectorizable_condition): Same.
270 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
271 (rs6000_gimplify_va_arg): Same.
273 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
275 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
277 (simplify_abs_using_ranges): Same.
278 * tree-complex.c (expand_complex_operations_1): Use
279 PROTECTED_TREE_OPERAND.
280 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
282 (get_val_for): Use GIMPLE_STMT_OPERAND.
283 * tree-tailcall.c (adjust_accumulator_values): Same.
284 (adjust_return_value): Same.
285 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
286 case. Remove special case for tcc_gimple_stmt.
287 * tree.h (CAN_HAVE_LOCATION_P): New.
288 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
290 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
291 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
292 * tree-nrv.c (execute_return_slot_opt): Same.
293 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
294 * tree-vn.c (set_value_handle): Same.
295 (get_value_handle): Same.
296 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
297 * tree-vectorizer.c (find_loop_location): Same.
298 * c-typeck.c (c_process_expr_stmt): Same.
299 (c_finish_stmt_expr): Same.
300 * gimplify.c (should_carry_locus_p): Same.
301 (tree_to_gimple_tuple): Delete definition and use of unecessary
302 variable save_tree_block.
303 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
304 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
305 (realify_fake_stores): Same.
306 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
308 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
309 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
310 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
311 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
312 (c_parser_statement_after_labels): Same.
313 (c_parser_paren_condition): Same.
314 (c_parser_for_statement): Same.
315 (c_parser_omp_for_loop): Same.
316 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
317 (linearize_expr_tree): Same.
318 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
319 * function.c (instantiate_expr): Same.
321 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
323 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
324 (set_expr_location): Same.
326 (set_expr_locus): Same.
327 (expr_filename): Same.
329 (tree_block): Use GIMPLE_STMT_BLOCK.
330 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
331 * tree.h (struct gimple_stmt): Remove prev and next.
332 (GIMPLE_STMT_OPERAND_CHECK): New.
333 (TREE_TO_GIMPLE_STMT): Delete.
334 (GIMPLE_STMT_TO_TREE): Delete.
335 (GIMPLE_STMT_OPERAND): Use union, not cast.
336 (GIMPLE_STMT_LOCUS): New.
337 (GIMPLE_STMT_BLOCK): New.
338 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
340 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
342 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
344 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
346 * tree-tailcall.c (adjust_return_value): Same.
347 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
348 (copy_node_stat): Change common.base to base.
349 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
350 Remove GIMPLE_STATEMENT_LIST case.
351 * tree.h (struct gimple_stmt): Make operands of type tree.
352 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
353 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
354 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
355 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
356 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
357 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
358 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
359 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
360 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
361 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
362 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
363 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
364 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
365 Change common.base to base.
366 (GIMPLE_STATEMENT_LIST*): Remove.
367 (union tree_node): Add base. Remove gimple_statement_list.
368 Remove pointer from gstmt.
369 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
370 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
371 * tree-vn.c (vn_compute): Change common.base to base.
372 * tree-eh.c (verify_eh_throw_stmt_node): Same.
373 * tree-flow-inline.h (var_ann): Same.
374 (function_ann): Same.
376 (mark_non_addressable): Same.
377 * gimplify.c (tree_to_gimple_tuple): Same.
378 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
379 * tree-dfa.c (create_var_ann): Change common.base to base.
380 (create_function_ann): Same.
381 (create_stmt_ann): Same.
382 (create_tree_ann): Same.
383 (collect_dfa_stats_r): Same.
384 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
385 * tree-ssa-dce.c (NECESSARY): Same.
386 * tree-ssa.c (delete_tree_ssa): Same.
387 * tree-optimize.c (execute_free_cfg_annotations): Same.
390 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
392 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
393 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
395 * tree.h (struct gimple_stmt): Add prev and next fields.
396 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
397 (GIMPLE_STATEMENT_LIST_HEAD): New.
398 (GIMPLE_STATEMENT_LIST_TAIL): New.
399 (struct gimple_statement_list): New.
400 (union tree_node): Add gimple_stmt_list and gstmt.
401 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
402 * tree.def: Add GIMPLE_STATEMENT_LIST.
404 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
406 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
407 * tree-vrp.c (build_assert_expr_for): Change uses of
408 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
409 (find_assert_locations): Same.
410 (remove_range_assertions): Same.
411 (stmt_interesting_for_vrp): Same.
412 (vrp_visit_assignment): Same.
413 (vrp_visit_stmt): Same.
414 (simplify_cond_using_ranges): Same.
415 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
417 * tree-ssa-loop-im.c (movement_possibility): Change uses of
418 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
420 (determine_invariantness_stmt): Same.
422 (gather_mem_refs_stmt): Same.
423 * tree-complex.c (init_dont_simulate_again): Same.
424 (complex_visit_stmt): Same.
425 (set_component_ssa_name): Same.
426 (expand_complex_move): Same.
427 (expand_complex_div_wide): Same.
428 (expand_complex_comparison): Same.
429 (expand_complex_operations_1): Same.
430 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
431 (chain_of_csts_start): Same.
432 (infer_loop_bounds_from_undefined): Same.
433 * tree-pretty-print.c (dump_generic_node): Same.
436 * tree-ssa-loop-manip.c (create_iv): Same.
437 * value-prof.c (tree_divmod_fixed_value): Same.
438 (tree_divmod_fixed_value_transform): Same.
439 (tree_mod_pow2): Same.
440 (tree_mod_pow2_value_transform): Same.
441 (tree_mod_subtract): Same.
442 (tree_mod_subtract_transform): Same.
443 (tree_divmod_values_to_profile): Same.
444 * tree-tailcall.c (process_assignment): Same.
445 (find_tail_calls): Same.
446 (adjust_accumulator_values): Same.
447 (adjust_return_value): Same.
448 (eliminate_tail_call): Same.
449 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
450 (make_node_stat): Same.
451 (copy_node_stat): Handle gimple tuples.
452 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
453 (tree_node_structure): Handle tcc_gimple_stmt.
454 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
456 (build2_gimple_stat): New.
457 (expr_location): New.
458 (set_expr_location): New.
459 (expr_has_location): New.
461 (set_expr_locus): New.
462 (expr_filename): New.
464 (walk_tree): Handle tcc_gimple_stmt.
466 (protected_tree_operand): New.
467 (protected_tree_type): New.
468 (tree_code_kind): Add gimple statements.
469 * tree.h (tree_code_class): Add tcc_gimple_stmt.
470 (IS_GIMPLE_STMT_CODE_CLASS): New.
471 (struct tree_base): New.
472 (struct tree_common): Shrink.
473 (struct gimple_stmt): New.
474 (struct gimple_expr): New.
475 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
476 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
477 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
478 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
479 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
480 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
481 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
482 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
483 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
484 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
485 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
486 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
487 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
488 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
489 Adjust for new `common' layout.
490 (struct tree_function_decl): Add gimplified_flag.
491 (DECL_GIMPLIFIED): NEW.
492 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
493 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
494 EXPR_HAS_LOCATION): Call corresponding function.
495 (GIMPLE_STMT_CHECK): New.
496 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
497 (TREE_BLOCK): Call tree_block.
498 (GIMPLE_STMT_P): New.
499 (GIMPLE_TUPLE_P): New.
500 (TREE_TO_GIMPLE_STMT): New.
501 (GIMPLE_STMT_TO_TREE): New.
502 (GIMPLE_STMT_OPERAND): New.
503 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
504 (PROTECTED_TREE_OPERAND): New.
505 (PROTECTED_TREE_TYPE): New.
506 (build2_gimple_stat): Protoize.
507 (build2_gimple): New.
508 (expr_location): Protoize.
509 (set_expr_location): Protoize.
510 (expr_has_location): Protoize.
511 (expr_locus): Protoize.
512 (set_expr_locus): Protoize.
513 (expr_filename): Protoize.
514 (expr_lineno): Protoize.
515 (tree_block): Protoize.
516 (protected_tree_operand): Protoize.
517 (protected_tree_type): Protoize.
518 (enum tree_node_kind): Add gimple_stmt_kind.
519 * c-decl.c (union lang_tree_node): Tuples do not have a
521 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
522 GIMPLE_MODIFY_STMT and adjust accordingly.
523 * tree-scalar-evolution.c (follow_ssa_edge): Same.
524 (interpret_condition_phi): Same.
525 (pointer_used_p): Same.
526 (analyze_scalar_evolution_1): Same.
527 (scev_const_prop): Same.
528 (interpret_rhs_modify_stmt): Rename from
529 interpret_rhs_modify_expr.
530 * builtins.c (std_expand_builtin_va_start): Change uses of
531 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
532 (std_gimplify_va_arg_expr): Same.
533 (expand_builtin_va_copy): Same.
534 (integer_valued_real_p): Same.
535 * fold-const.c (maybe_lvalue_p): Same.
537 (tree_expr_nonnegative_p): Same.
538 (tree_expr_nonzero_p): Same.
539 * omp-low.c (extract_omp_for_data): Same.
540 (lower_rec_input_clauses): Same.
541 (lower_reduction_clauses): Same.
542 (lower_copyprivate_clauses): Same.
543 (lower_send_clauses): Same.
544 (lower_send_shared_vars): Same.
545 (expand_parallel_call): Same.
546 (expand_omp_parallel): Same.
547 (expand_omp_for_generic): Same.
548 (expand_omp_for_static_nochunk): Same.
549 (expand_omp_for_static_chunk): Same.
550 (expand_omp_sections): Same.
551 (lower_omp_single_copy): Same.
552 (lower_omp_parallel): Same.
553 * tree-ssa-dse.c (memory_address_same): Same.
554 (dse_optimize_stmt): Same.
555 * ipa-reference.c (scan_for_static_refs): Same.
556 * tree-gimple.c (is_gimple_reg_rhs): Same.
557 (get_call_expr_in): Same.
558 (recalculate_side_effects): Same.
559 * cgraphunit.c (cgraph_create_edges): Same.
560 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
561 * tree-ssa-ccp.c (get_default_value): Same.
562 (likely_value): Same.
563 (visit_assignment): Same.
564 (ccp_visit_stmt): Same.
565 (get_maxval_strlen): Same.
566 (ccp_fold_builtin): Same.
567 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
568 (find_givs_in_stmt): Same.
569 (find_interesting_uses_op): Same.
570 (find_interesting_uses_stmt): Same.
571 (rewrite_use_nonlinear_expr): Same.
572 * ipa-pure-const.c (scan_function): Same.
573 * tree-stdarg.c (va_list_counter_bump): Same.
574 (check_all_va_list_escapes): Same.
575 (execute_optimize_stdarg): Same.
576 * tree-ssa-math-opts.c (compute_merit): Same.
577 (insert_reciprocals): Same.
578 (execute_cse_reciprocals): Same.
579 * tree-ssa-dom.c (initialize_hash_element): Same.
580 (simple_iv_increment_p): Same.
581 (record_equivalences_from_stmt): Same.
582 (optimize_stmt): Same.
583 (remove_stmt_or_phi): Same.
584 (get_rhs_or_phi_arg): Same.
585 (get_lhs_or_phi_result): Same.
586 (propagate_rhs_into_lhs): Same.
587 * tree-nrv.c (tree_nrv): Same.
588 (execute_return_slot_opt): Same.
589 * tree-ssa-propagate.c (get_rhs): Same.
591 (stmt_makes_single_load): Same.
592 (stmt_makes_single_store): Same.
593 (replace_vuses_in): Same.
594 (fold_predicate_in): Same.
595 (substitute_and_fold): Same.
596 * tree-ssa-alias.c (compute_call_clobbered): Same.
597 (recalculate_used_alone): Same.
598 (count_uses_and_derefs): Same.
599 (is_escape_site): Same.
600 (find_used_portions): Same.
601 * gimple-low.c (lower_stmt): Same.
602 (block_may_fallthru): Same.
603 (lower_return_expr): Same.
604 * tree-ssa-sink.c (is_hidden_global_store): Same.
605 (statement_sink_location): Same.
606 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
607 * expr.c (safe_from_p): Same.
608 (expand_expr_real): Same.
609 (expand_expr_real_1): Same.
610 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
611 * predict.c (expr_expected_value): Same.
612 (strip_builtin_expect): Same.
613 (apply_return_prediction): Same.
614 (tree_bb_level_predictions): Same.
615 (tree_estimate_probability): Same.
616 * tree-vn.c (vn_compute): Same.
617 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
618 (remove_stmt_from_eh_region_fn): Same.
619 (do_return_redirection): Same.
620 (honor_protect_cleanup_actions): Same.
621 (lower_try_finally_switch): Same.
622 (lower_eh_constructs_1): Same.
623 (tree_could_throw_p): Same.
624 (verify_eh_throw_stmt_node): Same.
625 * function.c (gimplify_parameters): Same.
626 * tree-vectorizer.c (vect_is_simple_use): Same.
627 (vect_is_simple_reduction): Same.
628 * ipa-type-escape.c (scan_for_refs): Same.
629 * tree-if-conv.c (tree_if_conversion): Same.
630 (tree_if_convert_stmt): Same.
631 (if_convertible_gimplify_modify_stmt_p): Rename from
632 if_convertible_modify_expr_p.
633 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
634 (ifc_temp_var): Same.
635 (replace_phi_with_cond_modify_stmt): Rename from
636 replace_phi_with_cond_modify_expr.
637 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
638 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
639 * tree-data-ref.c (find_data_references_in_loop): Adjust for
641 * tree-flow-inline.h (var_ann): Same.
642 (function_ann): Same.
644 (mark_non_addressable): Same.
645 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
646 * gimplify.c (tree_to_gimple_tuple): New.
647 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
648 (gimplify_return_expr): Same.
649 (gimplify_decl_expr): Same.
650 (gimplify_self_mod_expr): Same.
651 (gimplify_cond_expr): Same.
652 (gimplify_init_constructor): Same.
653 (gimplify_modify_expr): Same.
654 (gimplify_expr): Same.
655 (gimplify_function_tree): Same.
656 (force_gimple_operand): Same.
657 * tree-ssa-phiopt.c (conditional_replacement): Same.
658 (minmax_replacement): Same.
659 (abs_replacement): Same.
660 * tree-dfa.c (create_var_ann): Same.
661 (create_function_ann): Same.
662 (create_stmt_ann): Same.
663 (create_tree_ann): Same.
664 (collect_dfa_stats_r): Same.
665 * tree-ssa-pre.c (find_or_generate_expression): Same.
666 (create_expression_by_pieces): Same.
667 (try_look_through_load): Same.
668 (insert_fake_stores): Same.
669 (realify_fake_stores): Same.
670 (compute_avail): Same.
673 (poolify_modify_stmt): Rename from poolify_modify_stmt.
674 Adjust for GIMPLE_MODIFY_STMT.
675 (NECESSARY): Adjust for new `common' layout.
676 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
678 * tree-sra.c (sra_walk_modify_stmt): Rename from
679 sra_walk_modify_expr.
680 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
681 (generate_copy_inout): Same.
682 (generate_element_copy): Same.
683 (generate_element_zero): Same.
684 (scalarize_copy): Same.
685 * tree-mudflap.c (mf_decl_cache_locals): Same.
686 (mf_build_check_statement_for): Same.
687 (mf_xform_derefs): Same.
688 * ipa-prop.c (ipa_method_modify_stmt): Same.
689 * print-tree.c (print_node): Handle gimple tuples.
690 Add case for tcc_gimple_stmt.
691 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
693 (copy_prop_visit_assignment): Same.
694 (copy_prop_visit_stmt): Same.
695 (init_copy_prop): Same.
696 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
697 (forward_propagate_into_cond_1): Same.
698 (find_equivalent_equality_comparison): Same.
699 (tidy_after_forward_propagate_addr): Same.
700 (forward_propagate_addr_expr_1): Same.
701 (simplify_not_neg_expr): Same.
702 (simplify_switch_expr): Same.
703 * tree-ssa-dce.c (find_pdom): Same.
704 (mark_stmt_if_obviously_necessary): Same.
705 (NECESSARY): Adjust for new `common' layout.
707 * tree-vect-patterns.c (widened_name_p): Adjust for
709 (vect_recog_dot_prod_pattern): Same.
710 (vect_recog_widen_sum_pattern): Same.
711 (vect_pattern_recog_1): Same.
712 * tree-nested.c (init_tmp_var): Same.
713 (save_tmp_var): Same.
715 (convert_call_expr): Same.
716 (finalize_nesting_tree_1): Same.
717 * tree-ssa.c (verify_ssa): Same.
718 (delete_tree_ssa): Same.
719 * lambda-code.c (lbv_to_gcc_expression): Same.
720 (lle_to_gcc_expression): Same.
721 (lambda_loopnest_to_gcc_loopnest): Same.
722 (can_put_in_inner_loop): Same.
723 (can_convert_to_perfect_nest): Same.
724 (perfect_nestify): Same.
725 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
726 * tree-inline.c (copy_body_r): Same.
727 (setup_one_parameter): Same.
728 (initialize_inlined_parameters): Same.
729 (estimate_num_insns_1): Same.
730 (expand_call_inline): Same.
731 (gimple_expand_calls_inline): Same.
733 * tree-optimize.c (execute_free_cfg_annotations): Same.
734 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
735 (vect_align_data_ref): Same.
736 (vect_create_data_ref_ptr): Same.
737 (vect_init_vector): Same.
738 (vect_create_epilog_for_reduction): Same.
739 (vectorizable_reduction): Same.
740 (vectorizable_assignment): Same.
741 (vectorizable_operation): Same.
742 (vectorizable_store): Same.
743 (vectorizable_load): Same.
744 (vectorizable_live_operation): Same.
745 (vectorizable_condition): Same.
746 (vect_generate_tmps_on_preheader): Same.
747 (vect_create_cond_for_align_checks): Same.
748 * tree-object-size.c (collect_object_sizes_for): Same.
749 (check_for_plus_in_loops_1): Same.
750 (check_for_plus_in_loops): Same.
751 * tree-outof-ssa.c (insert_copy_on_edge): Same.
752 (replace_use_variable): Same.
753 (check_replaceable): Same.
754 (rewrite_trees): Same.
755 (identical_copies_p): Same.
756 (insert_backedge_copies): Same.
757 * tree-profile.c (tree_gen_edge_profiler): Same.
758 * tree-vect-generic.c (expand_vector_operations_1): Same.
759 * tree-ssa-structalias.c (update_alias_info): Same.
760 (find_func_aliases): Same.
761 * tree-cfg.c (factor_computed_gotos): Same.
763 (make_goto_expr_edges): Same.
764 (tree_merge_blocks): Same.
765 (remove_useless_stmts_cond): Same.
766 (remove_useless_stmts_1): Same.
767 (tree_find_edge_insert_loc): Same.
769 (gimplify_val): Same.
770 (verify_gimple_tuples_1): New.
771 (verify_gimple_tuples): New.
772 (verify_stmts): Call verify_gimple_tuples.
773 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
774 (get_unary_op): Same.
775 (linearize_expr): Same.
776 (get_single_immediate_use): Same.
777 (negate_value): Same.
778 (should_break_up_subtract): Same.
779 (break_up_subtract): Same.
780 (repropagate_negates): Same.
781 (break_up_subtract_bb): Same.
782 (reassociate_bb): Same.
783 * config/i386/i386.c (ix86_va_start): Same.
784 (ix86_gimplify_va_arg): Same.
785 * stmt.c (expand_expr_stmt): Same.
786 (warn_if_unused_value): Same.
787 (expand_return): Same.
788 * tree-ssanames.c (make_ssa_name): Same.
789 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
790 * tree-ssa-operands.c (finalize_ssa_defs): Same.
791 (add_virtual_operand): Same.
792 (get_expr_operands): Same.
793 (parse_ssa_operands): Same.
794 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
796 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
798 * config.host: Remove extra blank line.
800 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
802 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
803 target is also an x86 variant.
805 2006-12-05 Richard Guenther <rguenther@suse.de>
807 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
808 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
809 (ix86_builtin_vectorized_function): New function to vectorize
812 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
814 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
815 ia64_override_options.
817 2006-12-04 Jan Hubicka <jh@suse.cz>
819 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
822 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
824 * rtlanal.c (note_uses): Deal with SEQUENCEs.
825 * config/bfin/bfin.c: Include "timevar.h".
826 (bfin_flag_schedule_insns2, splitting_for_sched,
827 bfin_flag_var_tracking): New variables.
828 (print_operand): Handle '%!'.
829 (override_options): Disable normal sched2 pass, instead set
830 bfin_flag_schedule_insns2 for reorg to handle it.
831 (output_file_start): Likewise for var-tracking.
832 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
833 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
835 (bfin_reorg): Do second scheduling pass here, and call
836 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
837 of examining insns directly. If bfin_flag_var_tracking, call
838 var-tracking pass when done with everything else.
839 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
840 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
841 (movsi_insn32): New pattern, with two new splits to create it
842 before the final scheduling pass.
843 (neghi2): Not a dsp32 insn, rather alu0.
844 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
845 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
846 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
847 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
848 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
849 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
850 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
851 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
852 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
853 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
854 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
855 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
856 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
857 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
858 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
859 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
860 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
861 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
862 variants instead of ';'.
863 (ror_one, rol_one): Likewise. Make them dsp32 insns.
864 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
865 (align8, align16, align24): Now named patterns; also using '%!'.
868 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
870 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
871 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
873 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
875 * config/spu/spu-protos.c (spu_split_address): Add.
876 * config/spu/spu.c (spu_split_address): Add.
877 (print_operand): Handle HIGH.
878 (spu_legitimate_address): Don't test for aligned CONST.
879 (spu_expand_mov): Don't split addresses here.
880 * config/spu/constraints.md (A): Don't test legitimate_const.
881 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
882 (ceq_di): Use correct predicates.
884 2006-12-04 Eric Christopher <echristo@apple.com>
886 * config/darwin.h: Update copyright notice.
887 * config/i386/darwin.h: Ditto.
889 2006-12-04 Jan Hubicka <jh@suse.cz>
891 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
892 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
894 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
896 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
898 * tree-ssa-structalias.c (set_used_smts): Export.
899 (find_what_p_points_to): Don't call set_used_smts here.
900 * tree-ssa-structalias.h (set_used_smts): Add prototype.
902 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
904 * tree-ssa-alias.c (compute_may_aliases):
905 Compute flow sensitive before flow insensitive.
906 (compute_flow_sensitive_aliasing): Don't try to add
907 a symbol memory tag to itself.
909 * alias.h (alias_set_subset_of): New prototype.
911 * alias.c (alias_set_subset_of): New function.
913 * tree-ssa-structalias.c: Update comments.
914 (struct variable_info): Add finished_solution.
915 (new_varinfo): Set finished solution to NULL.
916 (var_escaped_vars): Remove.
917 (escaped_vars_tree): Remove.
918 (escaped_vars_id): Remove.
919 (nonlocal_vars_id): Remove.
920 (constraint_expr_type): Add INCLUDES.
921 (graph_size): Removed.
922 (dump_constraint): Support INCLUDES.
923 (build_constraint_graph): Ditto.
924 (collapse_nodes): Add merge_solutions argument.
925 Don't merge attributes.
926 (process_unification_queue): Just use collapse_nodes.
927 (perform_var_substitution): Update call to collapse_nodes.
928 (get_constraint_exp_from_ssa_var): Use INCLUDES.
929 (process_constraint): Fix non-field sensitive handling
931 (get_constraint_for): Use INCLUDES.
932 (make_constraint_from_anything): Renamed from
933 make_constraint_from_escaped.
934 (make_constraint_to_escaped): Removed.
935 (find_global_initializers): Removed.
936 (create_variable_info_for): Do not make constraints to escaped
938 (dump_solution_for_var): Don't print out the equivalent points-to
939 sets, just use the name of the variable it shares it with.
940 (intra_create_variable_infos): Use INCLUDES.
941 Change nonlocal variable sets to anything sets.
942 (init_base_vars): Remove escaped_vars and nonlocal_var
944 (find_escape_constraints): Removed.
945 (delete_points_to_sets): Remove dead code.
946 (used_smt_calculated): New variable.
947 (set_used_smts): New function.
948 (merge_smts_into): New function.
949 (find_what_p_points_to): Modify to use SMTs.
950 (create_nonlocal_var): Remove.
952 * tree-ssa-operands.c (access_can_touch_variable): Remove
953 reference to nonlocal_all.
955 * tree-ssa.c (verify_name_tags): Remove.
957 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
959 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
960 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
962 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
964 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
965 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
966 (add_livein_if_notdef): Delete.
967 (loe_visit_block): New. Propogate live on entry info for a block into
968 each predecessor. If it changes, make sure it is visited again.
969 (live_worklist): Visit every block and update the live on entry info
970 for preds. Iterate over any that changed.
971 (set_var_live_on_entry): Populate the live on entry blocks with bits
972 based on the immediate uses of a var.
973 (calculate_live_on_entry): Remove.
974 (calculate_live_on_exit): Calculate live on exit based on the newly
975 oriented live on entry bits.
976 (calculate_live_ranges): Build live on entry and exit vectors.
977 (dump_live_info): Use new orientation of live on entry bitmaps.
978 (verify_live_on_entry): New. Split out verification code from old
979 calculate_live_on_entry routine.
980 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
981 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
982 basic_block instead of for a partition.
983 (live_merge_and_clear): Add asserts.
984 (make_live_on_entry): Set partition bit in basic block vector.
986 2006-12-04 Jakub Jelinek <jakub@redhat.com>
989 * omp-low.c (expand_omp_for_static_nochunk,
990 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
994 * omp-low.c (determine_parallel_type): Don't try to optimize combined
995 parallels if region->exit or region->inner->exit is NULL.
996 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
998 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
999 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1000 or region->exit is NULL.
1001 (expand_omp_sections): Handle NULL region->cond or region->exit.
1004 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1006 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1007 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1009 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1011 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1012 TYPE_MAX_VALUE for scalar types here but...
1013 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1014 is attached an error mark, and the return value of the callback
1015 if it is not NULL_TREE.
1017 2006-12-04 Ben Elliston <bje@au.ibm.com>
1019 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1021 2006-12-03 Eric Christopher <echristo@apple.com>
1024 * config/t-slibgcc-darwin: Pass -install_name.
1025 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1026 libtool. Only pass through options that the linker recognizes.
1027 (LINK_SPEC): Update comment. Translate options.
1028 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1029 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1031 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1033 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1035 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1038 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1039 operands[1] in insn constraint. Correct type attribute to sselog1.
1041 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1044 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1046 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1047 processor detection.
1049 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1050 -march=native if there is no -mtune=*.
1052 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1055 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1057 * doc/install.texi: Update recommended MPFR version. Remove
1058 obsolete reference to cumulative patch.
1060 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1063 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1065 2006-11-30 Jan Hubicka <jh@suse.cz>
1066 Uros Bizjak <ubizjak@gmail.com>
1068 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1069 32bit memcpy/memset decriptors.
1070 (decide_alg): With -minline-all-stringops and sizes that are best
1071 to be copied via libcall still work hard enough to pick non-libcall
1074 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1076 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1078 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1079 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1080 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1081 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1082 config/spu/spu-c.c, config/spu/spu-modes.def,
1083 config/spu/spu.c, config/spu/spu.md,
1084 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1085 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1086 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1087 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1088 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1089 spelling conventions.
1091 * config/i386/i386.c: Fix a comment typo.
1093 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1095 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1096 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1097 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1098 better optimization.
1099 (floatv4siv4sf2): New.
1100 (fix_truncv4sfv4si2): New.
1101 (floatunsv4siv4sf2): New.
1102 (fixuns_truncv4sfv4si2): New.
1110 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1111 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1112 spu_resolve_overloaded_builtin instead of static inline functions.
1114 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1116 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1117 type instead of the size of its mode to compute the highest and
1118 lowest possible values. Still check the size of the mode before
1119 flipping the signedness of the comparison.
1121 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1123 * config/spu/predicates.md (spu_mov_operand): Add.
1124 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1125 (print_operand_address, print_operand): Handle addresses containing AND.
1126 (spu_split_load, spu_split_store): Use updated movti pattern.
1127 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1128 stores in mov patterns for correct operation of reload.
1129 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1131 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1134 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1136 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1138 * common.opt (ftree-combine-temps): Remove.
1139 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1140 (coalesce_ssa_name): Don't check for combine-temps.
1141 (coalesce_vars): Remove.
1142 (check_replaceable): Use num_imm_uses.
1143 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1144 check for combine-temps.
1145 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1146 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1147 to register_ssa_partition calls.
1148 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1149 (init_var_map, delete_var_map): remove refernces to ref_count.
1150 (create_ssa_var_map): Never calculate a ref count.
1151 (type_var_init): Remove.
1152 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1153 (SSA_VAR_MAP_REF_COUNT): Delete.
1154 (create_ssa_var_map): Change Prototype to have no parameters.
1155 (version_ref_count): Delete.
1156 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1158 (type_var_num, type_var, type_var_first_partition,
1159 type_var_next_partition, type_var_dump, type_var_delete,
1160 type_var_remove_partition, type_var_find, type_var_compact,
1161 type_var_decompact): Remove.
1163 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1165 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1168 2006-12-01 Richard Guenther <rguenther@suse.de>
1171 * dwarf2out.c (struct pubname_struct): Make name const.
1172 (add_pubtype): Do not xstrdup identifiers.
1174 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1176 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1177 multiword accesses are in range.
1179 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1181 PR tree-optimization/29921
1182 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1183 (set_lattice_value): Use canonicalize_float_value.
1185 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1187 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1188 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1189 (spu_cpu_cpp_builtins): Remove.
1190 (spu_override_options): Don't set warn_main.
1191 (spu_force_reg): Move from spu-c.c.
1192 (spu_check_builtin_parm): Likewise.
1193 (expand_builtin_args): Likewise.
1194 (spu_expand_builtin_1): Likewise.
1195 (spu_expand_builtin): Likewise.
1196 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1197 warn_main and targetm.resolve_overloaded_builtin.
1198 * config/spu/spu-c.c (spu_builtin_range): Remove.
1199 (spu_check_builtin_parm): Remove.
1200 (expand_builtin_args): Remove.
1201 (spu_expand_builtin_1): Remove.
1202 (spu_expand_builtin): Remove.
1203 (spu_cpu_cpp_builtins): Moved from spu.c
1204 (spu_force_reg): Remove.
1206 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1207 David Edelsohn <edelsohn@gnu.org>
1210 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1211 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1212 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1213 HARD_REGNO_NREGS_WITH_PADDING): Define.
1214 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1215 HARD_REGNO_NREGS_WITH_PADDING): Define.
1216 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1217 Use new macros to detect modes with holes; do not look at integer
1219 (subreg_offset_representable_p): Check for and disallow cases
1220 where the modes use different numbers of bits from registers.
1221 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1222 constant for soft-float.
1223 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1225 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1226 in E500 double case.
1227 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1228 (movtf_softfloat): New.
1230 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1232 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1233 simplify_gen_subreg.
1235 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1237 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1238 (COALESCE_HASH_FN): New. Define hash function.
1239 (partition_pair_map_hash): New. Hash value for a partition pair.
1240 (partition_pair_map_eq): New. Equality for hash pairs.
1241 (create_coalesce_list): Create hash table.
1242 (delete_coalesce_list): Free hash table.
1243 (find_partition_pair): Find/create pairs in hash table.
1244 (compare_pairs): Sort pairs in ascending order now.
1245 (num_coalesce_pairs): New. Number of pairs in hash table.
1246 (struct partition_pair_iterator): Iterator struct for pair table.
1247 (first_partition_pair): Iterator function for first pair.
1248 (end_partition_pair_p): Iterator function for end of iteration.
1249 (next_partition_pair): Iterator function for next pair.
1250 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1251 (sort_coalesce_list): Sort pairs from hash table into an array.
1252 (pop_best_coalesce): Take pairs from the array.
1253 (dump_coalesce_list): Update to use hash table or sorted array.
1254 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1255 (struct coalesce_list_d): Add hash table related fields.
1257 2006-11-30 Jan Hubicka <jh@suse.cz>
1260 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1261 memmove/bcopy->memcpy conversion.
1263 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1265 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1266 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1267 Default is the largest alignment supported for 32-bit ELF and
1268 representable on a 32-bit host.
1270 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1272 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1274 2006-11-30 Jan Hubicka <jh@suse.cz>
1276 * tree-ssa-operands.h (struct ssa_operands): New.
1277 * tree-flow-inline.h (gimple_ssa_operands): New function.
1278 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1279 * Makefile.in: Remove gt-tree-ssa-operands.h
1280 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1281 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1282 operand_memory, operand_memory_index, ops_active): Remove statics.
1283 (ALLOC_OPTYPE): Update.
1284 (operand_build_sort_virtual): Update.
1285 (ssa_operands_active): Update.
1286 (init_ssa_operands): Update.
1287 (fini_ssa_operands): Update.
1288 (ssa_operand_alloc): Update.
1289 (INITIALIZE_USE): Update.
1290 (finalize_ssa_use_ops): Update.
1291 (finalize_ssa_v_may_def_ops): Update.
1292 (finalize_ssa_vuse_ops): Update.
1293 (finalize_ssa_v_must_def_ops): Update.
1295 2006-11-30 Richard Guenther <rguenther@suse.de>
1297 * tree-vectorizer.h (vectorizable_function): Export.
1298 * tree-vect-transform.c (vectorizable_function): Likewise.
1299 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1300 type_in to scalar type in recognition of squaring.
1301 Make sure the target can vectorize sqrt in recognition
1302 of sqrt, set type_in to vector type in this case.
1304 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1306 * config/i386/i386.md (R10_REG): New constant.
1307 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1308 (ix86_emit_restore_regs_using_mov): Ditto.
1309 (ix86_expand_call): Ditto.
1310 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1312 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1314 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1315 * alias.c (canon_true_dependence): Update comment.
1317 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1319 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1320 at the end of a diagnostics message.
1322 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1323 until after asserting that it was allocated in the right pool.
1325 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1326 successor edge information as well. Make output of live regs
1327 on exit consistent with live regs on entry.
1329 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1332 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1333 insn patterns for TARGET_80387.
1334 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1335 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1336 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1337 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1338 Generate truncxf<mode>2 insn patterns for strict SSE math.
1340 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1342 * config/i386/i386.md (movsf_1): Enable pattern for standard
1343 80387 constants before reload when optimizing for size.
1344 (*movdf_nointeger, *movdf_integer): Ditto.
1345 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1346 80387 constants before reload when not optimizing for size.
1348 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1349 extension of XFmode input operands.
1351 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1353 * config/spu/crt0.c (__dso_handle): Define.
1355 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1357 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1358 when clearing the used flags.
1360 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1362 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1364 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1367 * config/spu/spu.md (extend_compare<mode>): New pattern.
1368 (extend_compare): Change to expand and use the above pattern.
1370 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1372 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1374 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1375 (DFP_INIT_ROUNDMODE): Define.
1376 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1377 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1379 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1381 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1382 Update documentation.
1383 (associate_line_notes_with_blocks): Kill.
1384 (extend_bb): Remove basic block argument, put void instead.
1385 Remove line number handling for each bb.
1386 (save_line_notes): Kill.
1387 (restore_line_notes): Kill.
1388 (sched_init): Remove line_note_head initialization.
1389 Change extend_bb call.
1390 (sched_finish): Remove free of line_note_head.
1391 (add_block): Change extend_bb call.
1392 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1393 rm_line_notes and restore_line_notes calls.
1394 (schedule_ebbs): Remove rm_redundant_line_notes.
1395 * sched-int.h (struct haifa_insn_data): Remove line_note.
1396 (save_line_notes): Remove declaration.
1397 (restore_line_notes): Remove declaration.
1398 * modulo-sched.c (loop_canon_p): Update debug info printing
1399 by using insn locators instead of line note.
1400 (sms_schedule): Update debug info printing, by using insn
1401 locators instead of line note.
1402 * sched-rgn.c (debug_dependencies): Remove handling of case
1403 n>0 (line number), since it's a dead code.
1404 (schedule_region): Remove save_line_notes and
1405 restore_line_notes calls.
1407 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1409 * config/rs6000/predicates.md (gpc_reg_operand): Check
1410 invalid_e500_subreg.
1411 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1412 SImode subregs of SPE vectors.
1413 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1414 * jump.c (true_regnum): Require subregs to satisfy
1415 subreg_offset_representable_p.
1417 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1418 Steven Bosscher <stevenb.gcc@gmail.com>
1420 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1421 since it no longer exists.
1423 2006-11-29 Duncan Sands <baldrick@free.fr>
1425 PR tree-optimization/23744
1426 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1428 2006-11-29 Duncan Sands <baldrick@free.fr>
1430 PR tree-optimization/23744
1431 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1433 2006-11-29 Duncan Sands <baldrick@free.fr>
1435 PR tree-optimization/23744
1436 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1438 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1440 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1442 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1444 * sh.opt (minline-ic_invalidate): New option.
1445 (musermode): Adjust comment.
1446 * sh.c (sh_initialize_trampoline): Emit library call unless
1447 is set; if it is set, don't emit library call if we can use icbi
1449 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1450 icbi for TARGET_SH4_300.
1451 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1452 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1453 -musermode documentation.
1455 2006-11-29 Jim Tison <jtison@us.ibm.com>
1457 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1458 __gthread_recursive_mutex_init): Define.
1460 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1462 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1463 STRICT_ALIGNMENT and the type is more aligned than the saved
1464 registers, copy via a temporary.
1466 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1469 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1472 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1474 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1476 2006-11-28 Jan Hubicka <jh@suse.cz>
1478 Privatize SSA variables into gimple_df.
1479 * tree-flow-inline.h
1480 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1481 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1482 gimple_nonlocal_all): New accessors.
1483 (first_referenced_var): Update.
1484 (mark_stmt_modified): Update.
1485 (is_call_clobbered): Update.
1486 (mark_call_clobbered): Update.
1487 (clear_call_clobbered): Update.
1488 (mark_non_addressable): Update.
1489 * tree-vrp.c (get_value_range): Update.
1490 * tree-into-ssa.c (in_ssa_p): Kill.
1491 (get_default_def_for): Update.
1492 (rewrite_into_ssa): Update.
1493 * tree-complex.c (init_parameter_lattice_values): Update.
1494 (update_complex_assignment): Update.
1495 (update_parameter_components): Update.
1496 (expand_complex_libcall): Update.
1497 (expand_complex_operations_1): Update.
1498 * tree-tailcall.c (arg_needs_copy_p): Update.
1499 (add_virtual_phis): Update.
1500 (tree_optimize_tail_calls_1): Update.
1501 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1502 * tree-ssa-copyrename.c
1503 (copy_rename_partition_coalesce): Update.
1504 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1505 * tree-ssa-propagate.c (set_rhs): Update.
1506 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1507 addressable_vars, global_var):Kill.
1508 (set_initial_properties): Update.
1509 (init_alias_info): Update.
1510 (finalize_ref_all_pointers): Update.
1511 (setup_pointers_and_addressables): Update.
1512 (maybe_create_global_var): Update.
1513 (create_global_var): Update.
1514 (dump_points_to_info): Update.
1515 * function.h (struct gimple_df): Forward declare.
1516 (struct function): Add GIMPLE_DF field.
1517 * gimplify.c (force_gimple_operand): Update.
1518 * tree-dfa.c (referenced_vars, default_defs): KIll.
1519 (make_rename_temp): Update.
1520 (dump_variable): Update.
1521 (referenced_var_lookup): Update.
1522 (referenced_var_check_and_insert): Update.
1523 (default_def): Rename to ...
1524 (gimple_default_def): ... this one; accept cfun argument.
1525 (set_default_def): Update.
1526 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1527 (cleanup_control_flow): Update.
1528 * tree-ssa-pre.c (compute_avail): Update
1529 * tree-ssa-live.c (calculate_live_on_entry): Update.
1530 * tree-ssa.c (verify_use): Update.
1531 (verify_call_clobbering): Update.
1532 (verify_call_clobbering): Update.
1533 (init_tree_ssa): Update.
1534 (delete_tree_ssa): Update.
1535 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1536 (rewrite_out_of_ssa): Update.
1537 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1538 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1540 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1541 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1542 addressable_vars, aliases_computed_p): Kill.
1543 (default_def): Rename to...
1544 (gimple_default_def): ... this one.
1545 (defaule_def_fn): Kill.
1546 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1547 * tree-ssa-structalias.c (nonlocal_all): Kill.
1548 (get_constraint_exp_from_ssa_var): Update.
1549 (create_nonlocal_var): Update.
1550 (get_constraint_for): Update.
1551 (update_alias_info): Update.
1552 (find_global_initializers): Update.
1553 (intra_create_variable_infos): Update.
1554 (intra_create_variable_infos):
1555 (find_what_p_points_to): Update.
1556 (init_alias_heapvars): Update.
1557 * tree-cfg.c (remove_bb): Update.
1558 (gimplify_val): Update.
1559 * tree-ssa-reassoc.c (get_rank): Update.
1560 (init_reassoc): Update.
1561 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1562 (ssa_names, free_ssanames): Kill.
1563 (init_ssanames): Update.
1564 (make_ssa_name): Update.
1565 (release_ssa_name): Update.
1566 (release_defs): Update.
1567 (replace_ssa_name_symbol): Update.
1568 * tree-ssa-operands.c (access_can_touch_variable): Update.
1569 (add_virtual_operand): Update.
1570 (add_call_clobber_ops): Update.
1571 (add_call_read_ops): Update.
1572 (get_call_expr_operands): Update.
1573 (get_asm_expr_operands): Update.
1575 2006-11-28 Jan Hubicka <jh@suse.cz>
1577 * builtins.c: Include tree-flow.h.
1578 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1579 assignment; convert memmove to memcpy for sizes greater than 1 where
1580 alignment of operands prohibit the partial overlap.
1582 2006-11-28 Jan Hubicka <jh@suse.cz>
1584 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1585 * cgraph.c (dump_cgraph_node): Dump stack usage.
1586 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1587 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1588 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1589 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1590 (cgraph_check_inline_limits): Limit stack growth.
1591 * cfgexpand.c: Include tree-inline.h.
1592 (account_stack_vars): New function.
1593 (expand_one_var): New param to just account the stack; return estimated
1595 (expand_used_vars_for_block): Update call of expand_one_var.
1596 (account_used_vars_for_block): New function.
1597 (estimated_stack_frame_size): Likewise.
1598 (init_vars_expansion, fini_vars_expansion): Break out from..
1599 (expand_used_vars): ... here.
1600 * tree-inline.h (estimated_stack_frame_size): Declare.
1601 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1603 2006-11-28 Richard Guenther <rguenther@suse.de>
1605 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1606 unsigned long for printing OBJECT_SIZE.
1608 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1610 * alias.c (init_alias_analysis): Remove simplification loop
1611 after propagating pointers.
1613 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1615 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1618 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1620 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1622 2006-11-27 Roger Sayle <roger@eyesopen.com>
1623 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1625 * c-common.c (constant_fits_type_p): Delete.
1626 (unsigned_conversion_warning): Delete.
1627 (conversion_warning): Integrate Wconversion warning from
1628 unsigned_conversion_warning.
1629 (convert_and_check): Integrate Woverflow warning from
1630 unsigned_conversion_warning. Reorganize and simplify to avoid
1631 dependence upon the middle-end setting TREE_OVERFLOW on integral
1632 conversions, by using int_fits_type_p directly.
1634 2006-11-27 Tobias Burnus <burnus@net-b.de>
1636 * doc/invoke.texi: Fixed typo.
1638 2006-11-27 Michael Matz <matz@suse.de>
1639 Andreas Krebbel <krebbel1@de.ibm.com>
1642 * config/s390/predicates.md (larl_operand): Check addend of larl
1643 operand to be in range of -/+2GB.
1644 * config/s390/s390.c (legitimize_pic_address): Likewise.
1645 Changed type of variable even to HOST_WIDE_INT.
1647 2006-11-27 Jan Hubicka <jh@suse.cz>
1649 * expr.c (emit_block_move_via_libcall): Export.
1650 (clear_storage_via_libcall): Rename to ...
1651 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1652 (clear_storage): Update to set_storage_via_libcall.
1653 * expr.h (emit_block_move_via_libcall): Declare
1654 * config/i386/i386.h (stringop_alg): New enum.
1655 (MAX_STRINGOP_ALGS): New constant.
1656 (stringop_algs): New struct.
1657 (processor_costs): Add memcpy/memset descriptors.
1658 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1659 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1660 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1662 * config/i386/i386.opt (minline-stringops-dynamically,
1663 mstringop-strategy): New
1665 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1666 (ix86_expand-clrmem): Rename to ...
1667 (ix86_expand_setmem): ... this one; update prototype.
1668 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1669 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1670 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1671 nocona_cost, core2_cost, generic_cost, generic64_cost,
1672 generic32_cost): Add memcpy/memset descriptors.
1673 (x86_rep_movl_optimal): Remove.
1674 (stringop_alg): New static variable.
1675 (ix86_expand_aligntest): Handle predictions.
1676 (override_options): Add strgop_alg handling.
1677 (predict_jump): New function.
1678 (scale_counter): New function.
1679 (expand_set_or_movmem_via_loop): New function.
1680 (expand_movmem_via_rep_mov): New function.
1681 (expand_setmem_via_rep_stots): New function.
1682 (emit_strmov): New function.
1683 (expand_movmem_epilogue): New function.
1684 (expand_setmem_epilogue_via_loop): New function.
1685 (expand_setmem_epilogue): New function.
1686 (expand_movmem_prologue): New function.
1687 (expand_setmem_prologue): New function.
1688 (decide_alg): New function.
1689 (decide_alignment): New function.
1690 (ix86_exand_movmem): Rewrite.
1691 (promote_duplicated_reg): New function.
1692 (ix86_expand_clrmem): Rename to ...
1693 (ix86_expand_setmem): ... this one. Rewrite.
1695 * invoke.texi (minline-stringops-dynamically): New command line option.
1696 (mstringop-strategy): Likewise.
1698 2006-11-27 Jan Hubicka <jh@suse.cz>
1700 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1701 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1702 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1703 * insn-notes.def (FUNCTION_END): Remove.
1704 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1705 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1707 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1708 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1709 * cfglayout.c (duplicate_insn_chain): Don't worry about
1712 2006-11-27 Richard Guenther <rguenther@suse.de>
1713 Zdenek Dvorak <dvorakz@suse.cz>
1715 * target.h (struct gcc_target): Add builtin_vectorized_function
1717 * target-def.h (TARGET_VECTORIZE): Likewise.
1718 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1719 Document new target hook.
1720 * targhooks.h (default_builtin_vectorized_function): Declare.
1721 * targhooks.c (default_builtin_vectorized_function): Define.
1722 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1723 (vectorizable_call): Declare.
1724 * tree-vect-analyze.c (vect_analyze_operations): Call
1726 * tree-vect-transform.c (vectorizable_function): New static function.
1727 (build_vectorized_function_call): Likewise.
1728 (vectorizable_call): New function.
1729 (vect_transform_stmt): Handle vectorizable calls.
1731 2006-11-27 Richard Guenther <rguenther@suse.de>
1734 * builtins.c (expand_builtin_pow): Optimize non integer valued
1735 constant exponents using sqrt or cbrt if possible. Always fall back
1736 to expanding via optabs.
1738 2006-11-27 Ira Rosen <irar@il.ibm.com>
1740 PR tree-optimization/22372
1741 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1742 the type of the base address.
1743 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1744 it in the data-ref pointer creation.
1745 (vect_init_vector): Add an argument, type of the init vector. Use it in
1747 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1748 (get_initial_def_for_reduction): Likewise.
1749 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1751 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1752 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1753 correct type in stmt creation.
1754 (vect_setup_realignment): Use the correct type in stmt creation.
1755 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1757 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1758 of MODIFY_EXPR to void_type_node.
1759 (vectorizable_condition): Change type of MODIFY_EXPR to
1761 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1764 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1767 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1768 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1769 standard 80387 constants, raise the cost to prevent
1770 compress_float_constant() to generate load from memory.
1772 * config/i386/i386.md: Add new splitter pattern to split
1773 float_extended load of constant from constant pool into
1776 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1778 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1779 section to general section. Remove documentation for
1780 --with-mpfr-dir and --with-gmp-dir, add documentation for
1781 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1784 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1786 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1788 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1790 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1792 PR tree-optimization/29122
1793 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1794 for the new version. Assign NULL to DECL_RTL of the new version.
1796 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1798 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1800 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1802 * cse.c (cse_altered): Remove.
1803 (record_jump_equiv): Make true/false argument a bool instead
1805 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1806 where appropriate. Emit a new jump before the existing one
1807 instead of after so that delete_insn_and_edges removes the
1808 dead edges properly. Check any_condjump_p before calling
1810 (cse_basic_block): Check any_condjump_p before calling
1812 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1814 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1816 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1817 -ffixed-line-length-* options.
1819 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1821 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1822 (fprem1xf4): Rename to fprem1xf4_i387.
1824 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1825 Rename patterns to fmod<mode>3. Use general_operand operand
1826 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1827 patterns for SSE math.
1828 (remaindersf3, remainderdf3): Ditto.
1830 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1832 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1833 inside start_sequence / end_sequence pair.
1835 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1837 * jump.c (mark_all_labels): Work in cfglayout mode.
1838 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1839 when in cfglayout mode, because there are no dead jumptables
1841 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1843 (commit_edge_insertions): Do not allow insertion of instructions
1844 with control flow insns when in cfglayout mode.
1846 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1848 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1850 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1851 unswitch_loop): Ditto.
1852 * tree-loop-linear.c (linear_transform_loops): Ditto.
1853 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1854 tree_ssa_lim): Ditto.
1855 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1856 free_numbers_of_iterations_estimates): Ditto.
1857 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1858 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1859 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1860 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1861 place_new_loop, duplicate_loop, duplicate_subloops,
1862 update_single_exit_for_duplicated_loops, copy_loops_to,
1863 duplicate_loop_to_header_edge, create_preheaders,
1864 force_single_succ_latches, loop_version, fix_loop_structure):
1866 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1867 tree_unroll_loop): Ditto.
1868 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1869 * tree-scalar-evolution.c (select_loops_exit_conditions,
1870 scev_initialize, scev_analysis): Ditto.
1871 * tree-scalar-evolution.h (scev_initialize): Ditto.
1872 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1873 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1874 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1875 * modulo-sched.c (sms_schedule): Ditto.
1876 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1877 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1878 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1879 * ifcvt.c (if_convert): Ditto.
1880 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1881 canonicalize_loop_induction_variables,
1882 canonicalize_induction_variables,
1883 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1884 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1885 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1886 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1887 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1888 tree_ssa_loop_done): Ditto.
1889 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1890 estimate_bb_frequencies): Ditto.
1891 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1892 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1893 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1894 decide_unrolling_and_peeling, peel_loop_completely,
1895 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1896 peel_loop_simple, unroll_loop_stupid): Ditto.
1897 * loop-doloop.c (doloop_optimize_loops): Ditto.
1898 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1899 * loop-invariant.c (move_loop_invariants): Ditto.
1900 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1901 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1902 tree_ssa_prefetch_arrays): Ditto.
1903 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1905 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1906 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1907 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1908 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1909 verify_loop_structure): Ditto.
1910 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1911 canonicalize_induction_variables, tree_unroll_loops_completely,
1912 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1913 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1914 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1915 tree_unroll_loop, linear_transform_loops): Declaration changed.
1916 * basic-block.h: Remove declaration of struct loops.
1917 * cfghooks.h (struct cfg_hooks): Change type of
1918 cfg_hook_duplicate_loop_to_header_edge.
1919 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1920 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1921 vect_transform_loop): Declaration changed.
1922 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1923 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1924 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1925 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1926 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1927 loopify, loop_version, remove_path, unswitch_loops,
1928 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1929 Declaration changed.
1931 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1933 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1934 (X87MODEF): New mode macro.
1935 (ssemodefsuffix): New mode attribute.
1936 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1937 (sqrt_extend<mode>xf2_i387): New insn pattern.
1938 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1939 insn and truncate result back to original mode using
1940 UNSPEC_TRUNC_NOOP truncation.
1941 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1942 ssemodefsuffix mode attribute.
1943 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1944 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1945 (*sqrtextenddfxf2_i387): Remove insn patterns.
1947 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1948 truncation patterns.
1950 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1952 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1955 * c-tree.h (c_maybe_initialize_eh): New prototype.
1956 * c-decl.c (finish_decl): Move EH initialization...
1957 (c_maybe_initialize_eh): ... here. New function.
1958 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1959 if not #pragma omp atomic.
1962 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1963 or UNION_TYPE inner types.
1965 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1968 * ipa-pure-const.c (check_tree): If the original tree
1969 is volatile return early and say the function is not pure
1970 nor const. Remove the volatile check for writes.
1971 (analyze_function): Print out the result of the local
1974 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1976 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
1978 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
1979 * config/rs6000/rs6000.c (rs6000_override_options): Use
1980 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
1983 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1985 * config/s390.c (s390_emit_compare_and_swap): New function.
1986 (s390_expand_cs_hqi, s390_expand_atomic): Call
1987 s390_emit_compare_and_swap.
1989 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1991 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1993 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1997 * c-common.c (conversion_warning): New.
1998 (convert_and_check): Call conversion_warning unless there is an
2000 * doc/invoke.texi (-Wconversion): Update description.
2002 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2004 * tree-ssa-alias.c (tree_pointer_compare): New function.
2005 (compact_name_tags): New function.
2006 (group_aliases): Call compact_name_tags.
2008 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2010 * real.h (real_isinteger): Declare.
2011 * real.c (real_isinteger): Define.
2012 * builtins.c (integer_valued_real_p): Use it.
2014 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2017 * c.opt (Wtraditional-conversion): New.
2018 (Wconversion): Update description.
2019 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2020 type conversions different from what would happen in the absence
2021 of prototype are now handled by Wtraditional-conversion.
2022 * doc/invoke.texi (Wtraditional-conversion): New.
2023 (Wconversion): Update description.
2024 * doc/trouble.texi (Wconversion): Replace Wconversion by
2025 Wtraditional-conversion.
2027 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2029 * predict.c (tree_estimate_probability): Check to make
2030 sure current_loops is non null before calling flow_loops_dump.
2032 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2034 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2036 2006-11-23 David Ung <davidu@mips.com>
2038 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2040 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2041 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2042 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2043 high part of FP register when in 64-bit FP register mode. Similarly
2044 use gen_mfhc1 to load high part of FP register.
2045 (override_options): Allow -mgp32 and -mfp64 combination if
2046 ISA_HAS_MXHC1 (currently for O32 only).
2047 (mips_cannot_change_mode_class): If floating-point registers are
2048 bigger than word size. disallow conversion of float register from a
2049 large integer mode to a float mode smaller than the float register
2051 (mips_class_max_nregs): Handle float registers case seperately.
2052 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2054 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2055 (movdf_hardfloat_32bit): Similarly.
2056 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2057 support a full 64-bit fpu.
2058 (mthc1): New pattern to generate MTHC1 instruction.
2059 (mfhc1): New pattern to generate MFHC1 instruction.
2060 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2061 option for the MIPS32R2 and mention its use under O32 ABI.
2063 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2065 * var-tracking.c (emit_note_insn_var_location): Take care not to
2066 cause verify_flow_info failures.
2068 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2070 * tree-ssa-structalias.c: Remove edge weights in favor of just
2071 processing them as complex constraints.
2072 (struct constraint_graph): Remove weighted succs and preds. Rename
2073 nonweighted succs and preds.
2074 (constraint_edge): Removed.
2075 (constraint_edge_t): Ditto.
2076 (constraint_edge_pool): Ditto.
2077 (new_constraint_edge): Ditto.
2078 (constraint_edge_equal): Ditto.
2079 (constraint_edge_less): Ditto.
2080 (constraint_edge_vec_find): Ditto.
2081 (erase_self_graph_edge): Ditto.
2082 (add_graph_edge): Removed.
2083 (get_graph_weights): Ditto.
2084 (allocate_graph_weights): Ditto.
2085 (valid_weighted_graph_edge): Ditto
2086 (bitmap_other_than_zero_bit_set): Ditto.
2087 (int_add_graph_edge): Renamed to add_graph_edge.
2088 (clear_edges_for_node): Remove support for weighted edges.
2089 (merge_graph_nodes): Ditto.
2090 (valid_graph_edge): Ditto.
2091 (build_constraint_graph): Ditto.
2093 (collapse_nodes): Ditto.
2094 (process_unification_queue): Ditto.
2095 (topo_visit): Ditto.
2096 (do_ds_constraint): Ditto.
2097 (perform_var_subsitution): Ditto.
2098 (solve_graph): Ditto.
2099 (init_alias_vars): Ditto.
2100 (delete_points_to_sets): Ditto.
2101 (do_complex_constraint): Support offsetted copies here.
2103 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2105 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2107 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2109 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2112 2006-11-23 Ben Elliston <bje@au.ibm.com>
2114 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2116 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2118 PR tree-optimization/29921
2119 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2120 signed and unsigned zero equal.
2122 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2124 * config/rs6000/rs6000.c (get_store_dest): New.
2125 (adjacent_mem_locations): Use get_store_dest() to get
2126 the rtl of the store destination.
2128 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2130 * config/rs6000/spe.md (SPE64): New mode macro.
2131 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2133 (mov_si<mode>_e500_subreg0_2): New.
2134 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2136 (mov_si<mode>_e500_subreg4_2): New.
2137 * config/rs6000/predicates.md (input_operand): Do not allow
2138 invalid E500 subregs.
2139 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2141 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2142 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2143 involving vector modes if TARGET_SPE.
2145 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2148 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2149 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2151 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2153 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2154 mem_i_address_operand): New predicates.
2155 * config/bfin/bfin.c (bfin_issue_rate): New function.
2156 (TARGET_SCHED_ISSUE_RATE): New macro.
2157 * config/bfin/bfin.md (addrtype): New attribute.
2158 (slot0, slot1, slot2, store, pregs): New cpu_units.
2159 (core): Now a define_reservation.
2160 (alu): Remove some insn types from this reservation.
2161 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2163 (dummy reservation): Don't trigger for mcld insns.
2164 (absence_sets): Two new absence sets to enforce slot ordering.
2165 (popsi_insn): Set addrtype.
2167 2006-11-22 Ira Rosen <irar@il.ibm.com>
2169 * doc/c-tree.texi: Document new tree codes.
2170 * doc/md.texi: Document new optabs.
2171 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2173 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2174 * optabs.h (optab_index): Add new.
2175 (vec_extract_even_optab, vec_extract_odd_optab,
2176 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2177 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2178 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2180 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2181 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2182 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2183 along with macros for their access.
2184 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2186 * tree-vect-analyze.c (toplev.h): Include.
2187 (vect_determine_vectorization_factor): Fix indentation.
2188 (vect_insert_into_interleaving_chain,
2189 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2190 (vect_analyze_data_ref_dependence): Add argument for interleaving
2191 check. Check for interleaving if it's true.
2192 (vect_check_dependences): New function.
2193 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2194 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2195 (vect_update_misalignment_for_peel): Update for interleaving.
2196 (vect_verify_datarefs_alignment): Check only first data-ref for
2198 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2199 only first data-ref for interleaving.
2200 (vect_analyze_data_ref_access): Check interleaving, update
2202 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2203 with different parameters.
2204 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2205 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2206 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2207 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2208 Update step in case of interleaving.
2209 (vect_strided_store_supported, vect_permute_store_chain): New
2211 (vectorizable_store): Handle strided stores.
2212 (vect_strided_load_supported, vect_permute_load_chain,
2213 vect_transform_strided_load): New functions.
2214 (vectorizable_load): Handle strided loads.
2215 (vect_transform_stmt): Add argument. Handle strided stores. Check
2216 that vectorized stmt exists for patterns.
2217 (vect_gen_niters_for_prolog_loop): Update calculation for
2219 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2220 whole chain vectorization.
2221 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2222 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2223 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2224 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2225 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2227 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2229 * cse.c (enum taken): Remove PATH_AROUND.
2230 (addr_affects_sp_p, invalidate_skipped_set,
2231 invalidate_skipped_block): Remove.
2232 (cse_end_of_basic_block): Remove skip_blocks and related code.
2233 (cse_main): Don't test for flag_cse_skip_blocks.
2234 Update cse_end_of_basic_block call.
2235 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2236 code to lengthen the path if a jump was simplified.
2238 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2240 PR rtl-optimization/29924
2241 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2242 (unroll_loop_runtime_iterations): Assert that the argument passed to
2243 split_edge_and_insert is not NULL.
2244 * loop-doloop.c (add_test): Ditto.
2246 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2248 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2250 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2251 * cfgloopmanip.c (update_single_exits_after_duplication,
2252 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2253 * tree-scalar-evolution.c (get_loop_exit_condition,
2254 get_exit_conditions_rec, loop_closed_phi_def,
2255 number_of_iterations_in_loop, scev_const_prop): Ditto.
2256 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2257 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2259 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2261 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2262 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2263 slpeel_make_loop_iterate_ntimes,
2264 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2265 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2267 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2268 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2269 vect_analyze_loop_form): Ditto.
2270 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2271 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2272 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2273 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2274 vect_transform_loop): Ditto.
2275 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2276 (single_exit, set_single_exit): New functions.
2277 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2278 (single_exit, set_single_exit): Declare.
2279 * doc/loop.texi: Undocument single_exit field. Document single_exit
2282 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2284 PR tree-optimization/29902
2285 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2286 any involved ssa name appears in abnormal phi node.
2288 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2290 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2291 (xtensa_const_ok_for_letter_p): Delete.
2292 (xtensa_extra_constraint): Delete.
2293 (override_options): Delete xtensa_char_to_class initialization.
2294 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2295 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2296 (EXTRA_CONSTRAINT): Delete.
2297 * config/xtensa/xtensa.md: Include constraints.md.
2298 (call_internal): Combine alternatives.
2299 (call_value_internal): Likewise, and remove invalid constraints.
2300 * config/xtensa/constraints.md: New file.
2301 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2302 (xtensa_extra_constraint): Delete.
2303 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2306 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2308 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2309 of conversion that doesn't fit.
2311 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2312 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2313 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2315 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2317 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2319 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2321 2006-11-21 Richard Guenther <rguenther@suse.de>
2323 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2324 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2325 vect_recog_pow_pattern.
2326 (vect_recog_pow_pattern): New function.
2328 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2330 * config/bfin/bfin.opt (mstack-check-l1): New.
2331 * doc/invoke.texi (Blackfin Options): Document it.
2332 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2333 stack bounds in L1 memory if the new option is enabled.
2334 (override_options): Don't allow combinations of -fstack-limit and
2336 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2339 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2341 (bfin_register_move_cost): Bump costs if trying to move plain
2342 integer values through accumulators.
2344 2006-11-21 Ben Elliston <bje@au.ibm.com>
2346 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2348 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2349 Russell Olsen <Russell_Olsen@playstation.sony.com>
2350 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2351 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2352 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2353 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2354 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2356 * config.gcc: Add target for SPU.
2357 * config/spu/constraints.md: New file.
2358 * config/spu/crt0.c: New file.
2359 * config/spu/crtend.c: New file.
2360 * config/spu/crti.asm: New file.
2361 * config/spu/crtn.asm: New file.
2362 * config/spu/float_unsdidf.c: New file.
2363 * config/spu/float_unssidf.c: New file.
2364 * config/spu/predicates.md: New file.
2365 * config/spu/spu-builtins.def: New file.
2366 * config/spu/spu-builtins.h: New file.
2367 * config/spu/spu-builtins.md: New file.
2368 * config/spu/spu-c.c: New file.
2369 * config/spu/spu-elf.h: New file.
2370 * config/spu/spu-modes.def: New file.
2371 * config/spu/spu-protos.h: New file.
2372 * config/spu/spu.c: New file.
2373 * config/spu/spu.h: New file.
2374 * config/spu/spu.md: New file.
2375 * config/spu/spu.opt: New file.
2376 * config/spu/spu_internals.h: New file.
2377 * config/spu/spu_intrinsics.h: New file.
2378 * config/spu/spu_mfcio.h: New file.
2379 * config/spu/t-spu-elf: New file.
2380 * config/spu/vec_types.h: New file.
2381 * config/spu/vmx2spu.h: New file.
2382 * doc/contrib.texi: Document SPU contributor.
2383 * doc/extend.texi: Document SPU extensions.
2384 * doc/invoke.texi: Document SPU options.
2385 * doc/md.texi: Document SPU constraints.
2387 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2389 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2391 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2393 (flow_loop_dump): Do not dump loop level.
2394 (flow_loops_find): Do not call flow_loops_level_compute.
2395 * cfgloop.h (struct loop): Remove level field.
2397 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2399 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2400 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2401 Use vector of edges instead of array.
2402 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2403 estimate_numbers_of_iterations_loop): Ditto.
2404 * predict.c (predict_loops): Ditto.
2405 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2406 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2408 * basic-block.h: Declare heap allocation for edge vectors.
2409 * tree-outof-ssa.c: Ditto.
2410 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2411 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2413 2006-11-20 Zack Weinberg <zackw@panix.com>
2415 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2416 Add another out parameter, "skip".
2417 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2418 is tagged "skip", do not mark its type used.
2420 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2423 * tree-sra.c (single_scalar_field_in_record_p): New function.
2424 (decide_block_copy): Use it.
2426 2006-11-20 David Daney <ddaney@avtrex.com>
2428 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2429 PC to point to following instruction.
2431 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2435 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2437 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2439 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2441 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2442 Add sh/superh.h to tm_file.
2444 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2445 Mark Mitchell <mark@codesourcery.com>
2447 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2449 (cpp_relocated): New function.
2450 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2452 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2453 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2454 replace configured prefix with gcc_exec_prefix.
2456 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2458 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2459 bfin_legitimate_constant_p.
2460 * config/bfin/bfin.md (movsi expander): Check return value of
2462 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2463 (expand_move): Adjust prototype.
2464 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2465 invalid constants specially.
2466 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2468 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2470 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2471 sibcall_value_symbol): Allow these patterns if
2472 TARGET_LEAF_ID_SHARED_LIBRARY.
2473 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2474 (override_options): Turn on id shared library flags if -msep-data,
2475 but disallow the combination of these options on the command line.
2476 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2477 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2478 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2479 -mid-shared-library.
2480 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2481 * doc/invoke.texi (Blackfin Options): Document new switches.
2483 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2484 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2486 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2487 inflate costs for addresses with an out-of-bounds address.
2489 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2492 * fwprop.c (loops): Remove.
2493 (forward_propagate_into): Use current_loops instead of
2495 (fwprop_init): Call loop_optimizer_init instead of
2497 (fwprop_done): Call loop_optimizer_finalize instead of
2499 (fwprop): Use current_loops instead of loops.
2501 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2504 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2506 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2509 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2510 larger than BITS_PER_WORD.
2512 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2516 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2517 to MAX_FIXED_MODE_SIZE.
2519 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2521 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2522 (fold_builtin_fmin_fmax): New.
2523 (fold_builtin_1): Use it.
2525 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2527 2006-11-18 Richard Guenther <rguenther@suse.de>
2529 * config/i386/i386.c (ix86_builtins): New array for ix86
2530 builtin function decls.
2531 (def_builtin): New function.
2532 (def_builtin_const): Likewise.
2533 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2535 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2537 * doc/invoke.texi (core2): Add item.
2539 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2541 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2542 (TARGET_CPU_DEFAULT_generic): Change value.
2543 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2544 (processor_type): Add new constant PROCESSOR_CORE2.
2546 * config/i386/i386.md (cpu): Add core2.
2548 * config/i386/i386.c (core2_cost): New initialized variable.
2549 (m_CORE2): New macro.
2550 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2551 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2552 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2553 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2554 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2555 x86_accumulate_outgoing_args, x86_prologue_using_move,
2556 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2557 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2558 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2559 x86_pad_returns): Add m_CORE2.
2560 (override_options): Add entries for Core2.
2561 (ix86_issue_rate): Add case for Core2.
2563 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2565 * doc/invoke.texi: Fix mno-isel typo.
2567 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2569 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2570 easy vector constant loads.
2572 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2574 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2575 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2576 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2577 * config/rs6000/sync.md (lwsync): Emit plain sync if
2580 2006-11-17 DJ Delorie <dj@redhat.com>
2582 * reload1.c (reloads_unique_chain): New.
2583 (reloads_conflict): Call it.
2585 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2587 * config/xtensa/predicates.md (addsubx_operand): New.
2588 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2589 (xtensa_emit_bit_branch): New.
2590 (xtensa_emit_movcc): New.
2591 * config/xtensa/xtensa.md (any_minmax): New code macro.
2592 (minmax): New code attribute.
2593 (any_cond, any_scc, any_scc_sf): New code macros.
2594 (*addx2, *addx4, *addx8): Delete.
2596 (*subx2, *subx4, *subx8): Delete.
2598 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2599 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2600 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2601 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2602 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2603 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2604 (movsfcc_internal0, movsfcc_internal1): Likewise.
2605 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2606 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2607 (xtensa_emit_bit_branch): New.
2608 (xtensa_emit_movcc): New.
2609 (function_arg_boundary): Add missing prototype.
2611 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2613 * config/xtensa/xtensa.md (tstsi): Delete
2615 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2617 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2619 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2621 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2623 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2625 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2627 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2629 * tree-vrp.c (execute_vrp): Do not update current_loops.
2630 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2631 * doc/loop.texi: Remove documentation for cancelled functions.
2632 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2633 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2635 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2636 (remove_path): Ensure that in delete_basic_blocks, the loops
2637 are still allocated.
2638 (add_loop): Work on valid loop structures.
2639 (loopify): Modify call of add_loop.
2640 (mfb_update_loops): Removed.
2641 (create_preheader): Do not update loops explicitly.
2642 (force_single_succ_latches, loop_version): Do not use
2643 loop_split_edge_with.
2644 (loop_split_edge_with): Removed.
2645 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2646 Do not use bsi_insert_on_edge_immediate_loop.
2647 (split_loop_exit_edge, tree_unroll_loop): Do not use
2648 loop_split_edge_with.
2649 (bsi_insert_on_edge_immediate_loop): Removed.
2650 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2651 use loop_split_edge_with.
2652 * cfghooks.c: Include cfgloop.h.
2653 (verify_flow_info): Verify that loop_father is filled iff current_loops
2655 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2656 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2658 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2660 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2661 loop_split_edge_with.
2662 (sms_schedule): Use current_loops.
2663 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2664 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2666 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2667 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2668 * ifcvt.c (if_convert): Ditto.
2669 * predict.c (predict_loops): Do not clear current_loops.
2670 (tree_estimate_probability): Use current_loops.
2671 (propagate_freq): Receive head of the region to propagate instead of
2673 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2674 (estimate_loops): New function. Handle case current_loops == NULL.
2675 (estimate_bb_frequencies): Do not allocate tovisit. Use
2677 * tree-ssa-loop.c (current_loops): Removed.
2678 (tree_loop_optimizer_init): Do not return loops.
2679 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2680 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2681 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2682 Do not update loops explicitly.
2683 * function.h (struct function): Add x_current_loops field.
2684 (current_loops): New macro.
2685 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2686 * loop-unroll.c (split_edge_and_insert): New function.
2687 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2688 use loop_split_edge_with.
2689 * loop-doloop.c (add_test, doloop_modify): Ditto.
2690 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2691 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2692 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2693 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2695 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2696 (flow_loops_free): Do not free dfs_order and rc_order.
2697 (flow_loops_find): Do not set dfs_order and rc_order in loops
2698 structure. Do not call loops and flow info verification.
2699 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2700 already belongs to some loop.
2701 * cfgloop.h (struct loops): Remove struct cfg.
2702 (current_loops, loop_split_edge_with): Declaration removed.
2703 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2704 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2705 Declaration removed.
2706 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2707 * basic-block.h (split_edge_and_insert): Declare.
2708 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2710 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2712 PR tree-optimization/29801
2713 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2714 (get_default_value): Use get_symbol_constant_value.
2715 (set_lattice_value): ICE when the value of the constant is
2717 (visit_assignment): Ignore VDEFs of read-only variables.
2719 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2721 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2723 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2724 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2726 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2728 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2729 select subvars of var.
2731 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2734 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2735 optimize if DEF doesn't have integral type.
2737 2006-11-16 Mike Stump <mrs@apple.com>
2739 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2740 pre-darwin9 system, unless the user asks for it directly.
2741 (PREFERRED_DEBUGGING_TYPE): Likewise.
2742 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2743 * config.gcc: Add suppport for darwin9.h.
2744 * config/darwin9.h: Add.
2745 * doc/install.texi (Specific): Clarify darwin documentation.
2747 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2749 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2750 optimizing for size.
2752 2006-11-16 Mike Stump <mrs@apple.com>
2754 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2756 2006-11-16 Dirk Mueller <dmueller@suse.de>
2758 * tree-vrp.c (get_value_range): Use XCNEW instead
2760 (insert_range_assertions): Use XCNEWVEC instead
2761 of XNEWVEC and memset.
2762 (vrp_initialize): Same.
2763 (vrp_finalize): Same.
2764 * tree-ssa-ccp.c (ccp_initialize): Same.
2765 * predict.c (tree_bb_level_predictions): Same.
2766 * calls.c (expand_call): Same.
2767 * tree-ssa-copy.c (init_copy_prop): Same.
2768 (fini_copy_prop): Same.
2769 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2770 of GGC_NEW and memset.
2772 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2775 * gimplify.c (gimplify_expr): Only force a load for references to
2776 non-BLKmode volatile values.
2777 * doc/implement-c.texi (Qualifiers implementation): Document the
2778 interpretation of what a volatile access is.
2779 * doc/extend.texi (C++ Extensions): Rework same documentation.
2781 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2783 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2786 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2788 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2790 (arm_neg_abssi2): Renamed from neg_abssi2.
2791 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2793 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2795 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2796 number of arguments passed to local functions in SSE registers is 3.
2798 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2799 number of arguments passed in SSE registers to 3.
2801 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2804 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2806 (get_last_bb_insn): ... new global function.
2807 (basic_block.h): Declare it.
2808 * haifa-sched.c (create_recovery_block): Use it.
2810 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2813 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2815 2006-11-15 Paul Brook <paul@codesourcery.com>
2817 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2818 _Unwind_GetTextRelBase): Move from here ...
2819 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2820 _Unwind_GetTextRelBase): ... To here.
2822 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2824 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2825 addresses we generate for testing are aligned.
2827 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2830 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2831 to what is the const decl is a place holder for.
2833 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2835 * config/i386/i386.opt: New target option -mx87regparm.
2837 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2838 and float_in_x87 variables. mmx_words, sse_words: Remove.
2839 (X87_REGPARM_MAX): Define.
2841 * config/i386/i386.c (override_options): Error out for
2842 -mx87regparm but no 80387 support.
2843 (ix86_attribute_table): Add x87regparm.
2844 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2845 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2846 (ix86_function_x87regparm): New function.
2847 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2849 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2851 (function_arg_advance): Process x87_nregs and x87_regno when
2852 floating point argument is to be passed in 80387 register.
2853 (function_arg): Pass XFmode arguments in 80387 registers for local
2854 functions. Pass SFmode and DFmode arguments to local functions
2855 in 80387 registers when flag_unsafe_math_optimizations is set.
2857 * reg-stack.c (convert_regs_entry): Disable NaN load for
2858 stack registers that are used for argument passing.
2860 * doc/extend.texi: Document x87regparm function attribute.
2861 * doc/invoke.texi: Document -mx87regparm.
2863 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2865 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2866 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2867 arg MODE; all callers changed. Use it to determine validity per
2868 machine mode instead of using Pmode for all memory references.
2869 (get_address_cost): Likewise add and use new arg MEM_MODE.
2871 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2872 J"orn Rennecke <joern.rennecke@st.com>
2874 * combine.c (likely_spilled_retval_1): Fix masking operation.
2875 (likely_spilled_retval_p): Use proper pattern for call to
2876 likely_spilled_retval_1.
2878 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2880 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2882 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2883 that tests for CONSTANT_POOL_ADDRESS_P.
2885 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2887 PR tree-optimization/29581
2888 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2889 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2890 type is different between Y and USE, create a temporary
2891 variable, initialize it at the beginning of the body bb
2892 and use it as replacement instead of Y.
2894 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2897 * gimplify.c (fold_indirect_ref_rhs): Use
2898 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2900 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2902 * expmed.c (emit_store_flag_1): New function.
2903 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2905 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2906 Use do_compare_rtx_and_jump.
2907 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2908 * arm.md (cstoresi4): New define_expand.
2909 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2910 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2911 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2913 2006-11-14 Caroline Tice <ctice@apple.com>
2915 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2916 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2918 (pubname_table): Redefine as a vector.
2919 (pubtype_table): New static global variable, defined as a vector.
2920 (pubname_table_allocated): Remove static global variable.
2921 (pubname_table_in_use): Remove static global variable.
2922 (PUBNAME_TABLE_INCREMENT): Remove constant.
2923 (size_of_pubnames): Add parameter to deal with either pubnames or
2924 pubtypes, and change code to deal with table being a vector.
2925 (add_pubname): Change to deal with table being a vector.
2926 (add_pubtype): New function.
2927 (output_pubnames): Add parameter to deal with either pubnames or
2928 pubtypes, and change code to deal with table being a vector.
2929 (gen_array_type_die): Add call to add_pubtype.
2930 (gen_enumeration_type_die): Add call to add_pubtype.
2931 (gen_struct_or_union_type_die): Add call to add_pubtype.
2932 (gen_subroutine_type_die): Add call to add_pubtype.
2933 (gen_typedef_die): Add call to add_pubtype.
2934 (dwarf2out_init): Add code to initialize pubname_table and
2935 pubtype_table vectors; also initialize debug_pubtypes_section.
2936 (prune_unused_types): Change to deal with pubnames being a vector.
2937 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2938 pubnames table to call to output_pubnames; Add code to output pubtypes
2939 table if DEBUG_PUBTYPES_SECTION is defined.
2940 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2942 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2944 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2946 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2947 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2948 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2949 movv2si_internal): Support moves between core registers.
2951 2006-11-14 Eric Christopher <echristo@apple.com>
2953 * configure: Regenerate with autoconf 2.59.
2955 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2957 Fix PR tree-optimization/27755
2959 * tree-ssa-pre.c: Update comments.
2960 (bb_bitmap_sets): Add pa_in and deferred member.
2961 (BB_DEFERRED): New macro.
2962 (maximal_set): New variable.
2963 (pre_stats): Add pa_insert member.
2964 (bitmap_set_and): Short circuit orig == dest.
2965 (bitmap_set_subtract_values): New function.
2966 (bitmap_set_contains_expr): Ditto.
2967 (translate_vuses_through_block): Add phiblock argument.
2968 (dependent_clean): New function.
2969 (compute_antic_aux): Update for maximal_set changes.
2970 (compute_partial_antic_aux): New function.
2971 (compute_antic): Handle partial anticipation.
2972 (do_partial_partial_insertion): New function.
2973 (insert_aux): Handle partial anticipation.
2974 (add_to_sets): Add to maximal set.
2975 (compute_avail): Ditto.
2976 (init_pre): Initialize maximal_set.
2977 (execute_pre): Do partial anticipation if -O3+.
2979 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
2981 PR rtl-optimization/29798
2983 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
2984 TARGET_INSN before any other check.
2985 (fwprop_init): Always calculate dominators.
2986 (fwprop_done): Always free them.
2988 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2990 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2993 2006-11-13 DJ Delorie <dj@redhat.com>
2995 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2996 temporary for intermediates.
2998 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3000 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3001 (sh_optimize_target_register_callee_saved): #if 0 the code
3002 using NOTE_INSN_LOOP_{BEG,END}.
3004 2006-11-13 Roger Sayle <roger@eyesopen.com>
3006 * fold-const.c (optimize_bit_field_compare): Recursively call
3007 fold when simplifying non-constant comparisons between bit-fields.
3009 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3011 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3013 * configure: Rebuilt.
3015 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3017 * config/rs6000/cell.md: New file.
3018 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3020 (ppccell_cost): New cost matrix.
3021 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3022 (rs6000_override_options): Set rs6000_always_hint to false
3023 for cell. Also align functions/lables/loops to 8byte
3024 for the Cell. Use PROCESSOR_CELL.
3025 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3026 using_mtcr_multiple.
3027 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3028 on the Cell, return 0.
3029 (rs6000_adjust_cost): Add Cell cost adjustments.
3030 (is_microcoded_insn): Return true for Cell microcoded
3032 (is_nonpipeline_insn): New function.
3033 (rs6000_issue_rate): Add PROCESSOR_CELL.
3034 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3036 (rs6000_use_sched_lookahead_guard): New function.
3037 (rs6000_sched_reorder): Reorder the ready list, if the second
3038 to last ready insn is a nonepipeline insn on the Cell.
3039 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3040 (ASM_CPU_SPEC): Add Cell.
3041 * config/rs6000/rs6000.md (cpu): Add Cell.
3042 (cell_micro): New Attr.
3045 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3047 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3049 * configure: Rebuilt.
3051 2006-11-13 Richard Guenther <rguenther@suse.de>
3053 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3055 (ix86_expand_lfloorceil): Likewise.
3056 (ix86_expand_rint): Likewise.
3057 (ix86_expand_floorceildf_32): Likewise.
3058 (ix86_expand_floorceil): Likewise.
3059 (ix86_expand_rounddf_32): Likewise.
3060 (ix86_expand_truncdf_32): Likewise.
3061 (ix86_expand_round): Likewise.
3063 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3064 Mark Mitchell <mark@codesourcery.com>
3066 * gcc.c: Organize search path variables into $prefix relative,
3067 and well-known native. Add comments.
3068 (add_sysrooted_prefix): Add comment.
3069 (process_command): If !gcc_exec_prefix add $prefix based paths.
3070 If *cross_compile == '0', add native well-known paths.
3071 Assert tooldir_base_prefix is always relative.
3072 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3073 use this value for 'install:' path.
3074 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3076 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3078 * config/i386/i386.c: Fix a typo in comment.
3080 2006-11-13 Michael Matz <matz@suse.de>
3082 * genemit.c (gen_expand): Allocate enough memory.
3084 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3086 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3087 __GXX_TYPEINFO_EQUALITY_INLINE but not
3088 __GXX_MERGED_TYPEINFO_NAMES.
3089 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3090 __GXX_MERGED_TYPEINFO_NAMES.
3091 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3092 __GXX_TYPEINFO_EQUALITY_INLINE.
3094 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3095 Zdenek Dvorak <dvorakz@suse.cz>
3097 PR tree-optimization/29680
3098 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3101 2006-11-12 Jason Merrill <jason@redhat.com>
3102 Andrew Pinski <pinskia@physics.uc.edu>
3105 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3107 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3109 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3110 * tree.c (build_vector): Handle non-_CST elements.
3112 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3114 * genemit.c (gen_insn): Call gen_exp with a non-null used
3115 when handling multiple insns.
3116 (gen_expand): Likewise.
3117 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3118 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3119 (movsi_const_16bit+1): Copy operands[1].
3120 (call_pcrel): Copy the call_site pattern.
3121 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3123 2006-11-12 Roger Sayle <roger@eyesopen.com>
3125 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3126 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3127 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3128 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3130 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3132 Fix PR tree-optimization/29587
3133 * tree-ssa-structalias.c (process_constraint): Don't
3134 mark address taken due only to escaped vars constraint.
3136 2006-11-12 Michael Matz <matz@suse.de>
3137 Roger Sayle <roger@eyesopen.com>
3139 PR rtl-optimization/29797
3140 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3141 BITS_BIG_ENDIAN targets.
3143 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3145 * builtins.c (fold_builtin_cosh): New.
3146 (fold_builtin_1): Use it.
3147 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3148 trunc to the list of "odd" functions. Also add llrint, lrint,
3149 rint and nearbyint when flag_rounding_math is false.
3151 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3153 * tree-flow.h (name_mappings_registered_p): Declare.
3154 * tree-into-ssa.c (name_mappings_registered_p): New function.
3155 * tree-cfg.c (tree_can_merge_blocks_p): Check
3156 name_mappings_registered_p instead of need_ssa_update_p.
3158 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3160 * tree-ssa-loop.c (tree_vectorize): Return the result of
3162 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3163 if anything changed.
3164 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3165 * tree-flow.h (vectorize_loops): Declaration changed.
3167 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3169 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3171 (issue_prefetch_ref): Move assignment to write_p out of loop.
3172 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3173 SIMULTANEOUS_PREFETCHES into account.
3174 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3175 * lambda-code.c (lcm): Renamed to ...
3176 (least_common_multiple): ... and exported.
3177 * tree-flow.h (least_common_multiple): Declare.
3179 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3181 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3182 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3183 ud-chains. Handle AND_EXPR.
3184 (record_estimate): Record whether the estimate is realistic
3185 and whether it is derived from a loop exit.
3186 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3187 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3189 (compute_estimated_nb_iterations): Take only realistic bounds into
3190 account. Set estimate_state. Use double_ints.
3191 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3192 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3193 that do not have to be always executed.
3194 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3195 to determine whether to call infer_loop_bounds_from_undefined
3196 and compute_estimated_nb_iterations.
3197 (n_of_executions_at_most): Use double_ints.
3198 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3199 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3200 * double-int.c (double_int_to_tree): Improve comment.
3201 (double_int_fits_to_tree_p): New function.
3202 * double-int.h (double_int_fits_to_tree_p): Declare.
3203 * tree-data-ref.c: Include langhooks.h.
3204 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3205 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3206 (analyze_array): Do not pass estimate_only argument to
3207 analyze_array_indexes.
3208 (get_number_of_iters_for_loop): Build tree from the stored double_int
3210 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3211 (find_data_references_in_loop): Use find_data_references_in_stmt.
3212 * tree-data-ref.h (struct data_ref_loc_d): New.
3213 (get_references_in_stmt): Declare.
3214 (estimate_iters_using_array): Declaration removed.
3215 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3216 double_int. Improve comments. Add is_exit and realistic
3218 (struct loop): Changed type of estimated_nb_iterations to double_int.
3219 Added estimate_state field.
3220 (record_estimate): Declaration removed.
3222 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3224 * params.c (set_param_value): Initialize the "set" field.
3225 * params.h (struct param_info): Add "set" field.
3226 (PARAM_SET_P): New macro.
3227 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3228 L1_CACHE_LINE_SIZE): New macros.
3229 * toplev.c (DEFPARAM): Initialize the "set" field.
3230 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3231 SIMULTANEOUS_PREFETCHES): Removed.
3232 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3233 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3234 * config/sparc/sparc.c: Include params.h.
3235 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3236 L1_CACHE_LINE_SIZE parameters.
3237 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3239 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3241 * config/i386/i386.c: Include params.h.
3242 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3243 (override_options): Set SIMULTANEOUS_PREFETCHES and
3244 L1_CACHE_LINE_SIZE parameters.
3245 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3246 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3247 L1_CACHE_LINE_SIZE parameters.
3248 * config/ia64/ia64.c (ia64_optimization_options): Set
3249 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3250 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3252 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3253 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3254 * doc/invoke.texi: Document new params.
3256 2006-11-12 Roger Sayle <roger@eyesopen.com>
3258 PR tree-optimization/13827
3259 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3262 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3264 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3265 update_single_exit_for_duplicated_loops): New functions.
3266 (duplicate_loop_to_header_edge): Use
3267 update_single_exit_for_duplicated_loops.
3268 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3269 functions only with ENABLE_CHECKING.
3271 2006-11-12 Andreas Schwab <schwab@suse.de>
3273 * except.c (sjlj_emit_function_enter): Remove unused variable.
3275 2006-11-11 Roger Sayle <roger@eyesopen.com>
3277 * fold-const.c (int_binop_types_match_p): New function.
3278 (size_binop): Relax constraint that both arguments must both have
3279 exactly the same sizetype type. Instead use int_binop_types_match_p.
3280 (size_diffop): Likewise.
3282 (make_range): Use build_int_cst instead of fold_convert.
3283 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3284 integer constants of the correct type.
3285 (fold_div_compare): Likewise.
3286 (fold_single_bit_test): Likewise.
3287 (fold_binary): Likewise.
3288 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3289 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3291 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3294 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3295 non null value if the struct memory access is in the 0th
3298 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3301 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3302 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3305 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3306 instead of builtin_define for bfin and BFIN.
3308 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3310 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3313 2006-11-11 Jan Hubicka <jh@suse.cz>
3315 * extend.texi (__builtin_expect): We no longer require second argument
3317 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3318 * builtins.c (expand_builtin_expect): Simplify.
3319 (expand_builtin_expect_jump): Kill.
3320 * final.c (final_scan_insn): Do not skip the removed notes.
3321 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3322 EXPECTED_VALUE): Remove.
3323 * dojump.c (do_jump): Do not care about __builtin_expect.
3324 * predict.c (expected_value_to_br_prob): Kill.
3325 * function.c (expand_function_end): Do not expand
3326 NOTE_INSN_REPEATED_LINE_NUMBER.
3327 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3328 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3329 * cfgexpand.c (add_reg_br_prob_note): Export.
3330 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3331 expected_value_to_br_prob.
3332 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3333 * rtl.h (add_reg_br_prob_note): Declare.
3335 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3337 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3339 2006-11-11 Jan Hubicka <jh@suse.cz>
3341 * predict.c (predict_loops): Kill RTL variant.
3343 2006-11-11 Jan Hubicka <jh@suse.cz>
3345 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3346 * modulo-sched.c (find_line_note): Remove.
3347 (loop_canon_p): Do not worry about line number notes.
3348 (sms_schedule): Likewise.
3349 * cse.c (cse_main): Likewise.
3350 * regmove.c (fixup_match_1): Likewise
3351 * function.c (emit_return_info_block): Likewise.
3352 (expand_function_end): Likewise.
3353 (thread_prologue_an_epilogue_insns): Likewise.
3354 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3356 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3357 emit_note_copy_after): Kill.
3358 (emit_note_copy): Do not worry about line numbers.
3359 * jump.c (purge_line_number_notes): Kill.
3360 (pass_purge_lineno_notes): Kill.
3361 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3363 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3364 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3365 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3366 * tree-pass.h (pass_purge_lineno_notes): Kill.
3367 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3368 rm_redundant_line_notes.
3369 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3370 rm_redundant_line_notes.
3371 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3372 * haifa-sched.c: Update comment about handling notes.
3373 (unlink_line_notes): Kill.
3374 (rm_line_notes): Kill.
3375 (save_line_notes): Simplify.
3376 (rm_redundant_line_notes): Kill.
3378 2006-11-11 Richard Guenther <rguenther@suse.de>
3380 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3381 Remove unused tree codes.
3382 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3383 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3384 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3385 * tree.c (stabilize_reference): Likewise.
3386 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3387 fold_unary): Likewise.
3388 * tree-gimple.c (is_gimple_cast): Likewise.
3389 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3390 * expr.c (expand_expr_real_1): Likewise.
3391 * tree-eh.c (tree_could_trap_p): Likewise.
3392 * gimplify.c (gimplify_expr): Likewise.
3393 * tree-inline.c (estimate_num_insns_1): Likewise.
3394 * tree-cfg.c (verify_expr): Likewise.
3396 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3398 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3399 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3400 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3402 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3405 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3406 constraints accept neither registers or memories.
3408 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3410 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3411 (NO_PROFILE_COUNTERS): Define as 1.
3413 2006-11-10 Roger Sayle <roger@eyesopen.com>
3415 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3416 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3418 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3420 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3422 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3424 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3425 (fold_builtin_hypot): Likewise.
3426 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3428 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3430 2006-11-10 Roger Sayle <roger@eyesopen.com>
3432 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3433 when attempting to build INTEGER_CSTs of non-integral types.
3434 * expmed.c (make_tree): Use the correct type, i.e. the inner
3435 type, when constructing the individual elements of a CONST_VECTOR.
3437 2006-11-10 Jan Hubicka <jh@suse.cz>
3439 * cse.c (cse_process_notes): Copy the propagated value.
3440 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3442 * gcse.c (try_replace_reg): Copy the replacement.
3443 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3444 (assign_386_stack_local): Always return copied memory expression
3445 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3448 2006-11-10 Jan Hubicka <jh@suse.cz>
3450 * final.c (final): Walk from first instruction.
3451 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3453 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3456 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3458 (umulv8hi3_highpart): Ditto.
3459 (vec_widen_smult_hi_v8hi): New expander.
3460 (vec_widen_smult_lo_v8hi): Ditto.
3462 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3465 * builtins.c (do_mpfr_arg3): New.
3466 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3468 2006-11-09 Eric Christopher <echristo@apple.com>
3473 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3474 * config.gcc (powerpc64-*-darwin*): New target.
3475 * config.host: Ditto.
3476 * config/rs6000/darwin64.h: New file.
3477 * config/rs6000/x-darwin64: Ditto.
3478 * config/rs6000/host-ppc64-darwin.c: Ditto.
3480 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3482 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3483 routines for integer division.
3485 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3487 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3489 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3492 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3494 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3496 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3497 simplify_subreg with BLKmode outer mode.
3499 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3501 * doc/invoke.texi: Minor formatting fixes in option lists.
3503 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3505 PR tree-optimization/29738
3506 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3507 (ccp_lattice_t): Remove UNKNOWN_VAL.
3508 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3509 Do not handle UNKNOWN_VAL.
3510 (get_default_value): Set initial value of virtual operands to
3512 (get_value): Always use get_default_value on uninitialized
3514 (set_value_varying, surely_varying_stmt_p): New functions.
3515 (set_lattice_value): Do not pass argument to get_value.
3516 Do not handle UNKNOWN_VAL.
3517 (likely_value): Follow the semantics described in the comment.
3518 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3519 phi nodes DONT_SIMULATE_AGAIN.
3520 (ccp_fold): Do not pass argument to get_value.
3521 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3524 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3526 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3527 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3529 2006-11-08 Roger Sayle <roger@eyesopen.com>
3531 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3532 test for inclusion rather than as a test for exclusion.
3533 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3534 the condition after calling fold_binary.
3535 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3536 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3537 * builtins.c (fold_builtin_isascii): Likewise.
3538 (fold_builtin_isdigit): Likewise.
3540 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3542 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3543 * configure: Regenerate.
3545 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3547 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3548 enum argument instead of bool.
3549 (vect_analyze_operations): Call vectorizable_type_promotion.
3550 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3551 stmt_vec_info_type value.
3552 (supportable_widening_operation, vectorizable_type_promotion): New
3553 function declarations.
3554 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3555 (vectorizable_type_promotion): New function.
3556 (vect_transform_stmt): Call vectorizable_type_promotion.
3557 * tree-vect-analyze.c (supportable_widening_operation): New function.
3558 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3560 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3563 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3564 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3565 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3567 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3568 * expr.c (expand_expr_real_1): Likewise.
3569 * optabs.c (optab_for_tree_code): Likewise.
3570 (init_optabs): Initialize new optabs.
3571 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3572 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3573 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3574 vec_unpacku_lo_optab): Initialize new optabs.
3575 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3576 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3577 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3579 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3580 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3581 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3582 (vec_unpacku_lo_optab): New optabs.
3583 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3584 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3585 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3586 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3587 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3588 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3590 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3591 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3592 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3593 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3594 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3595 implement the unsigned unpacking patterns.
3596 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3597 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3598 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3599 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3600 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3601 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3602 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3603 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3604 multiplication patterns.
3606 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3607 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3608 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3609 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3610 (rs6000_builtin_mul_widen_odd): New.
3611 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3612 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3613 * tree-vectorizer.h (enum vect_relevant): New enum type.
3614 (_stmt_vec_info): Field relevant chaned from bool to enum
3616 (STMT_VINFO_RELEVANT_P): Updated.
3617 (STMT_VINFO_RELEVANT): New.
3618 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3619 instead of STMT_VINFO_RELEVANT_P.
3620 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3621 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3622 and boolean variable with enum vect_relevant.
3623 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3624 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3625 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3627 2006-11-08 Richard Henderson <rth@redhat.com>
3629 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3630 vec_widen_umult_lo_v8hi): New.
3631 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3632 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3634 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3635 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3636 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3637 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3638 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3639 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3640 vec_unpacks_lo_v4si): New.
3642 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3644 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3645 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3646 (vect_analyze_operations): Call vectorizable_type_demotion.
3647 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3648 stmt_vec_info_type value.
3649 (vectorizable_type_demotion): New function declaration.
3650 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3653 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3654 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3656 * tree-iniline.c (estimate_num_insns_1): Likewise.
3657 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3658 * optabs.c (optab_for_tree_code): Likewise.
3660 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3661 compared against the predicate of the result is not 'mode' (the input
3662 to the function) but a mode with half the size of 'mode'.
3663 (init_optab): Initialize new optabs.
3664 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3666 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3668 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3669 (vec_pack_usat_optab): Initialize new optabs.
3670 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3671 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3673 2006-11-08 Richard Henderson <rth@redehat.com>
3675 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3676 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3677 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3678 (vec_interleave_highv4si, vec_interleave_lowv4si):
3679 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3681 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3683 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3685 (vect_transform_stmt): Removed redundant code.
3687 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3689 * tree-vect-transform.c (vectorizable_operation): Support multiple
3692 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3694 * tree-vect-transform.c (vect_align_data_ref): Removed.
3695 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3696 Updated function documentation. Return the increment stmt in ptr_incr.
3697 (bump_vector_ptr): New function.
3698 (vect_get_vec_def_for_stmt_copy): New function.
3699 (vect_finish_stmt_generation): Create a stmt_info to newly created
3701 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3703 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3704 VF is greater than the number of elements that can fit in one vector
3706 (vectorizable_operation, vectorizable_condition): Likewise.
3707 (vectorizable_store, vectorizable_load): Support the case that the VF
3708 is greater than the number of elements that can fit in one vector word.
3709 (vect_transform_loop): Don't fail in case of multiple data-types.
3710 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3711 in case of multiple data-types; the smallest type determines the VF.
3712 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3713 if they are of different sizes.
3714 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3715 number of elements rather than number of bytes.
3716 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3717 (vect_can_advance_ivs_p): Fix a dump printout
3719 2006-11-07 Eric Christopher <echristo@apple.com>
3721 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3722 (__bswapsi2): Ditto.
3723 * libgcc2.h: Remove transformation of bswap routines.
3724 * config/i386/i386.md (bswapsi2): New.
3727 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3729 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3730 (handle_gnu_inline_attribute): New function.
3731 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3732 (merge_decls, start_decl, start_function): Likewise.
3733 * doc/extend.texi: Document gnu_inline attribute.
3735 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3738 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3739 _fixunstfdi, and _floatditf
3741 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3743 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3745 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3746 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3747 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3748 which start in an odd register.
3750 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3752 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3754 2006-11-07 Josh Conner <jconner@apple.com>
3756 * doc/invoke.texi (fstrict-aliasing): Move implementation
3758 * doc/tree-ssa.texi (Alias analysis): ...here.
3760 2006-11-07 Richard Guenther <rguenther@suse.de>
3762 PR tree-optimization/29610
3763 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3764 of tree_purge_dead_eh_edges as it may free dominators.
3766 * g++.dg/other/pr29610.C: New testcase.
3768 2006-11-07 David Ung <davidu@mips.com>
3770 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3771 costs when optimizing for size.
3772 (override_options): Use mips_rtx_cost_optimize_size table for cost
3775 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3777 * gcc.c (process_command): Treat -b as normal switch if its argument
3780 2006-11-07 David Ung <davidu@mips.com>
3782 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3785 2006-11-06 Eric Christopher <echristo@apple.com>
3787 * config.gcc: Add x86_64-darwin host support.
3788 * config.host: Ditto.
3789 * config/i386/darwin64.h: New file.
3790 * config/i386/t-darwin64: Ditto.
3792 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3794 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3795 and output-exists-not.
3797 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3800 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3801 checking for overflow.
3803 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3805 * configure.ac: Fixed typo in case statement: :: changed to ;;
3807 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3809 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3810 count_leading_zeros, and count_trailing_zeros.
3811 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3812 (TARGET_FOLD_BUILTIN): Define.
3813 (TARGET_EXPAND_BUILTIN): Define.
3814 (xtensa_init_builtins): New.
3815 (xtensa_fold_builtin): New.
3816 (xtensa_expand_builtin): New.
3817 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3818 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3819 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3820 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3821 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3822 (any_extend): New code macro.
3823 (u, su): New code attributes.
3824 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3825 (nsau): Remove; replaced by clzsi2.
3826 (ffssi2): Use clzsi2.
3827 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3828 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3829 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3830 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3831 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3833 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3835 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3837 * config/arm/t-strongarm-elf: Likewise.
3838 * config/arm/t-pe: Likewise.
3839 * config/arm/t-arm-elf: Likewise.
3840 * config/arm/t-xscale-elf: Likewise.
3841 * config/arm/t-arm-coff: Likewise.
3842 * config/arm/t-xscale-coff: Likewise.
3843 * config/arm/t-wince-pe: Likewise.
3845 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3847 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3850 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3853 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3856 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3859 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3860 as a valid 80387 constant.
3861 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3862 * config/i386/i386.md (unnamed splitter): Split the load of
3863 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3866 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3868 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3869 from the soft-frame, argument and virtual registers.
3871 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3873 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3874 patterns for standard 80387 constants.
3876 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3877 Steven Bosscher <steven@gcc.gnu.org>
3879 * fwprop.c: New file.
3880 * Makefile.in: Add fwprop.o.
3881 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3882 * passes.c (init_optimization_passes): Schedule forward propagation.
3883 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3885 * timevar.def (TV_FWPROP): New.
3886 * common.opt (-fforward-propagate): New.
3887 * opts.c (decode_options): Enable forward propagation at -O2.
3888 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3889 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3890 canon_for_address, table_size): Remove.
3891 (new_basic_block, insert, remove_from_table): Remove references to
3893 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3894 simplification loop more straightforward by not calling fold_rtx
3896 (equiv_constant): Move here a small part of fold_rtx_subreg,
3897 do not call fold_rtx. Call avoid_constant_pool_reference
3899 * recog.h (canonicalize_change_group): New.
3901 * doc/invoke.texi (Optimization Options): Document fwprop.
3902 * doc/passes.texi (RTL passes): Document fwprop.
3904 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3906 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3907 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3908 (grokdeclarator): Likewise.
3910 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3912 * tree-dump.c (dump_enable_all): Rename local variable
3913 ir_type to avoid name conflicts.
3914 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3915 instead of using ir_type().
3916 * profile.c (tree_register_profile_hooks): Likewise.
3917 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3918 * basic-block.h (struct edge_def): Likewise.
3919 * config/arm/arm.c (legitimize_pic_address): Likewise.
3920 * coretypes.h (ir_type): New enum of all intermediate languages
3922 * cfghooks.c (ir_type): Rename to...
3923 (current_ir_type): ...this. Distinguish between cfgrtl and
3924 cfglayout mode when the current IR is RTL. Return enum ir_type.
3925 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3927 2006-11-03 Paul Brook <paul@codesourcery.com>
3929 * config/arm/arm.c (arm_file_start): New function.
3930 (TARGET_ASM_FILE_START): Define.
3931 (arm_default_cpu): New variable.
3932 (arm_override_options): Set arm_default_cpu.
3934 2006-11-03 David Ung <davidu@mips.com>
3936 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3937 PROCESSOR_24KC and PROCESSOR_24KF.
3938 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3939 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3940 (mips_rtx_cost_data): Add costs for the 24kc.
3941 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3942 * config/mips/24k.md: Remove references to 24k and replace with
3943 uses of 24kc/24kf in the appropriate reservations.
3944 * doc/invoke.texi (MIPS Options): Updated.
3946 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3948 * config/sh/crt1.asm: Fix #ifdef indent.
3950 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3951 Merged from STMicroelectronics sources:
3952 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3953 * config/sh/crt1.asm (vbr_600): Add missing #if.
3954 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3955 * sh.opt (mfused-madd): New option.
3956 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3957 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3958 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3959 Remove pointless handler at VBR+0.
3960 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3961 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3962 fr7. Make sure the timer handler is called with the correct FPU
3963 precision setting, according to the ABI.
3964 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3965 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3966 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3967 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3968 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3969 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3970 zero as second operand.
3971 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3972 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3973 Fixed some bugs related to negative values, in particular -0
3974 and overflow at -0x80000000.
3975 * config/sh/divcost-analysis: Added sh4-300 figures.
3976 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
3977 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
3978 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
3979 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
3980 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
3981 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3983 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3985 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3986 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3987 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3988 mac_mem, mem_mac, dfp_mul, fp_cmp.
3989 (insn_class, dfp_comp, any_fp_comp): Update.
3990 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3991 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3992 (muldf3_i): Likewise.
3993 (movsi_i): Split rI08 alternative into two separate alternatives.
3995 (movsi_ie, movsi_i_lowpart): Likewise.
3996 (movqi_i): Split ri alternative into two separate alternatives.
3998 * sh1.md (sh1_load_store, sh1_fp): Update.
3999 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4000 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4001 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4002 (sh4a_fp_double_arith): Likewise.
4003 * sh4-300.md: New file.
4004 * sh.c (sh_handle_option): Handle m4-300* options.
4005 (sh_adjust_cost): Fix latency of auto-increments.
4006 Handle SH4-300 differently than other SH4s. Check for new insn types.
4007 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4008 been set by an option.
4009 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4010 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4011 (mbranch-cost=): Likewise.
4012 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4014 * sh.md (mulsf3): Remove special expansion code.
4015 (mulsf3_ie): Now a define_insn_and_split.
4016 (macsf3): Allow for TARGET_SH4.
4018 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4019 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4020 (expand_cbranchdi4): Likewise.
4021 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4022 CONST_DOUBLE if the outer code is COMPARE.
4023 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4024 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4025 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4026 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4027 Remove redundant fp_{zero,one}_operand checks.
4028 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4029 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4030 (expand_cbranchdi4): Likewise.
4031 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4032 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4034 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4036 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4039 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4041 * doc/invoke.texi: Fix mfp-trap-mode typo.
4043 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4045 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4046 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4047 file_end_indicate_exec_stack.
4048 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4050 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4051 for a non-executable stack.
4052 * crti.asm: Likewise.
4053 * crtn.asm: Likewise.
4054 * libunwind.S: Likewise.
4056 2006-11-02 Ben Elliston <bje@au.ibm.com>
4058 * tree-ssa.c (warn_uninit): Use expand_location variables for
4059 locus and declaration locus.
4061 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4064 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4065 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4066 cmp{eq,gt,gtu}{si,di}_media.
4067 (*cmpne0si_media): Remove.
4068 (*movsicc_umin): Adjust gen_cmp*_media call.
4069 (unordered): Change the mode of unordered and operands[1] to
4071 (seq): Adjust gen_cmp*_media calls. Make the mode of
4072 a temporary result of compare SImode if needed. If the mode
4073 of operands[0] is DImode, extend the temporary result to DImode.
4074 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4075 (sunorderd): Change the mode of match_operand and unorderd to
4077 (cmpeq{sf,df}_media): Remove.
4078 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4079 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4080 and compare operation to SImode.
4082 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4084 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4086 (sparc64-sun-solaris2*): Likewise.
4088 2006-11-02 Paul Brook <paul@codesourcery.com>
4090 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4091 from priority argument. Use different section for non-default
4093 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4095 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4098 * except.c (switch_to_exception_section): Do not cache the section
4099 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4100 and flag_function_sections is set.
4102 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4105 * builtins.c (do_mpfr_sincos): New.
4106 (fold_builtin_1): Use it to fold builtin sincos.
4108 2006-11-01 Roger Sayle <roger@eyesopen.com>
4110 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4111 it into -D_REENTRANT.
4113 2006-11-01 Roger Sayle <roger@eyesopen.com>
4115 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4116 whether the assembler supports taking the difference of symbols in
4117 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4118 * configure: Regenerate.
4119 * config.in: Regenerate.
4120 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4121 the assembler doesn't support taking the difference of symbols in
4122 different sections, i.e. we're using the native solaris assembler.
4124 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4125 Peter Bergner <bergner@vnet.ibm.com>
4127 * doc/invoke.texi: Add cpu_type power6x
4128 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4129 * config.gcc: Add cpu_type power6x.
4130 * configure.ac: Add test for mf{t,f}gpr instructions.
4131 (HAVE_AS_MFPGPR): New.
4132 * config.in: Regenerate.
4133 * configure: Regenerate.
4134 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4135 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4136 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4137 and mftgpr attributes.
4138 (define_attr "cpu"): Add power6.
4139 Change instruction sequences to use new attributes.
4140 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4141 (fix_truncdfsi2_mfpgpr): New.
4142 (floatsidf_ppc64_mfpgpr): New.
4143 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4144 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4145 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4146 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4147 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4148 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4149 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4150 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4151 cntlz,exts and var_delayed_compare.
4152 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4153 _ARCH_PWR6X, if features enabled.
4154 * config/rs6000/rs6000.opt (mmfpgpr): New.
4155 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4156 (cached_can_issue_more): New variable.
4157 (processor_costs): Add power6_cost.
4158 (rs6000_sched_init): New function.
4159 (is_dispatch_slot_restricted): Deleted.
4160 (set_to_load_agen): New function.
4161 (is_load_insn,is_store_insn): New functions.
4162 (adjacent_mem_locations): New function.
4163 (insn_must_be_first_in_group): New function.
4164 (insn_must_be_last_in_group): New function.
4165 (rs6000_sched_reorder): New function.
4166 (rs6000_sched_reorder2): New function.
4167 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4168 TARGET_SCHED_REORDER2): Define.
4169 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4170 Add power6x. Add MASK_MFPGPR for power6x.
4171 (POWERPC_MASKS): Add MASK_MFPGPR.
4172 (rs6000_override_options): Set rs6000_always_hint to false
4173 for power6. Set rs6000_align_branch_targets. Replace
4174 rs6000_sched_groups check with rs6000_align_branch_targets.
4175 Use PROCESSOR_POWER6.
4176 (last_scheduled_insn): New variable.
4177 (load_store_pendulum): New variable.
4178 (rs6000_variable_issue): Set last_scheduled_insn and
4179 cached_can_issue_more.
4180 (rs6000_adjust_cost): Add power6 cost adjustments.
4181 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4182 with insn_must_be_first_in_group. Add power6 priority adjustments.
4183 (rs6000_issue_rate): Add CPU_POWER6.
4184 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4185 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4186 (TARGET_MFPGPR): New.
4187 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4188 (ASM_CPU_SPEC): Add power6x.
4189 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4191 * config/rs6000/power6.md: New file.
4193 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4195 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4196 HOST_WIDE_INT_PRINT to print high and low parts. Use
4197 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4198 printing a hexadecimal number prefix it with 0x.
4200 2006-11-01 Chris Johns <chris@contemporary.net.au>
4203 * Makefile.in (install-driver): Use exeext when installing
4204 $target-gcc-$version.
4206 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4208 * c-common.c (flag_cpp0x): New.
4209 * c-common.h (flag_cpp0x): New.
4210 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4211 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4212 * c-opts.c (set_std_cxx0x): New.
4213 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4214 * c.opt (std=c++0x): Document.
4215 (std=gnu++0x): Ditto.
4216 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4217 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4219 2006-11-01 Richard Guenther <rguenther@suse.de>
4221 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4223 (ix86_expand_floorceildf_32): Likewise.
4224 (ix86_expand_floorceil): Likewise.
4225 (ix86_expand_trunc): Likewise.
4227 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4229 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4232 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4234 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4236 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4238 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4240 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4241 * configure.ac (use_cxa_atexit): As a special case, don't test
4242 for libc definition of __cxa_atexit on mingw32
4243 * configure: Regenerate.
4244 * config.gcc (i[34567]86-pc-mingw32): Default to
4245 enable__cxa_atexit=yes.
4247 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4249 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4251 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4254 * c-decl.c (start_struct): Don't create self-containing
4256 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4258 * config/rs6000/rs6000-protos.h
4259 (darwin_rs6000_special_round_type_align): New.
4260 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4261 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4263 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4265 * toplev.c (compile_file): Call final_write_globals
4266 even if there have been errors.
4268 2006-10-31 Eric Christopher <echristo@apple.com>
4269 Falk Hueffner <falk@debian.org>
4271 * doc/extend.texi (__builtin_bswap32): Document.
4272 (__builtin_bswap64): Ditto.
4273 * doc/libgcc.texi (bswapsi2): Document.
4275 * doc/rtl.texi (bswap): Document.
4276 * optabs.c (expand_unop): Don't widen a bswap.
4277 (init_optabs): Init bswap. Set libfuncs explicitly
4278 for bswapsi2 and bswapdi2.
4279 * optabs.h (OTI_bswap): New.
4280 (bswap_optab): Ditto.
4281 * genopinit.c (optabs): Handle bswap_optab.
4282 * tree.h (tree_index): Add TI_UINT32_TYPE and
4284 (uint32_type_node): New.
4285 (uint64_type_node): Ditto.
4286 * tree.c (build_common_tree_nodes_2): Initialize
4287 uint32_type_node and uint64_type_node.
4288 * builtins.c (expand_builtin_bswap): New.
4289 (expand_builtin): Call.
4290 (fold_builtin_bswap): New.
4291 (fold_builtin_1): Call.
4292 * fold-const.c (tree_expr_nonnegative_p): Return true
4294 * builtin-types.def (BT_UINT32): New.
4296 (BT_FN_UINT32_UINT32): Ditto.
4297 (BT_FN_UINT64_UINT64): Ditto.
4298 * builtins.def (BUILT_IN_BSWAP32): New.
4299 (BUILT_IN_BSWAP64): Ditto.
4300 * rtl.def (BSWAP): New.
4301 * genattrtab.c (check_attr_value): New.
4302 * libgcc2.c (__bswapSI2): New.
4303 (__bswapDI2): Ditto.
4304 * libgcc2.h (__bswapSI2): Declare.
4305 (__bswapDI2): Ditto.
4306 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4307 * simplify-rtx.c (simplify_const_unary_operation): Return
4309 * libgcc-std.ver (__bwapsi2): Add.
4310 (__bswapdi2): Ditto.
4311 * reload1.c (eliminate_regs_1): Add bswap.
4312 (elimination_effects): Ditto.
4313 * config/i386/i386.h (x86_bswap): New.
4314 (TARGET_BSWAP): Use.
4315 * config/i386/i386.c (x86_bswap): Set.
4317 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4319 * coverage.c (coverage_checksum_string): Update comment.
4320 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4321 of get_file_function_name.
4322 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4323 of get_file_function_name_long.
4324 * tree.c (get_file_function_name): Rename from
4325 get_file_function_name_long; improve comment; handle 'I' and 'D'
4326 specially when the target has ctor/dtor support; remove special
4328 (get_file_function_name): Remove.
4329 * tree.h (get_file_function_name): Rename from
4330 get_file_function_name_long.
4331 (get_file_function_name): Remove prototype.
4333 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4335 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4336 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4338 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4339 Call dsymutil when compiling and linking one or more source files
4342 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4345 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4347 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4349 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4350 inline static functions in c99 mode.
4353 * doc/extend.texi (Inline): Update.
4354 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4355 * c-decl.c (current_extern_inline): Delete.
4356 (pop_scope): Adjust test for an undefined nested function.
4357 Add warning about undeclared inline function.
4358 (diagnose_mismatched_decls): Update comments. Disallow overriding
4359 of inline functions in a translation unit in C99. Allow inline
4360 declarations in C99 at any time.
4361 (merge_decls): Boolize variables. Handle C99 'extern inline'
4363 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4364 C99 inline semantics.
4365 (start_function): Don't clear current_extern_inline. Don't set
4367 (c_push_function_context): Don't push current_extern_inline.
4368 (c_pop_function_context): Don't restore current_extern_inline.
4371 * c-typeck.c (build_external_ref): Warn about static variables
4372 used in extern inline functions.
4373 * c-decl.c (start_decl): Warn about static variables declared
4374 in extern inline functions.
4376 2006-10-31 Roger Sayle <roger@eyesopen.com>
4379 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4380 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4381 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4382 or y is an even integer.
4384 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4387 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4388 * gthr-posix95.h (__gthread_active_p): Likewise.
4390 2006-10-31 Richard Guenther <rguenther@suse.de>
4392 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4393 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4394 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4395 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4396 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4397 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4398 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4399 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4402 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4404 * opts.c (decode_options): Disable CSE skip blocks.
4406 2006-10-30 Dirk Mueller <dmueller@suse.de>
4408 * c-common.h (strict_aliasing_warning): Fix whitespace.
4409 * c-decl (start_function): Move code for main decl warning ..
4410 * c-common.c (check_main_parameter_types): .. here.
4411 * c-common.h (check_main_parameter_types): Declare.
4413 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4416 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4418 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4420 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4421 be a PARALLEL containing sets. Return false when out_pat is not
4424 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4426 * config/mips/mips.md (mul<mode>3): Split into...
4427 (mulsi3, muldi3): ...these separate patterns.
4429 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4431 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4432 but with each set of options separated by spaces.
4434 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4436 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4437 dwarf_reg_size_table has been initialized.
4439 2006-10-30 Roger Sayle <roger@eyesopen.com>
4441 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4442 * ddg.c (print_ddg_edge): Likewise.
4443 * dwarf2out.c (prune_unused_types_walk): Likewise.
4444 * ifcvt.c (noce_try_cmove_arith): Likewise.
4445 * langhooks.c (add_builtin_function): Likewise.
4446 * reg-stack.c (subst_stack_regs_pat): Likewise.
4447 * tree.c (expanded_location): Likewise.
4448 * tree-dump.c (dequeue_and_dump): Likewise.
4450 2006-10-30 David Daney <ddaney@avtrex.com>
4452 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4454 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4456 PR tree-optimization/29637
4457 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4458 of the innertype is the innertype itself.
4460 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4462 * dwarf2out.c (file_name_acquire): Correct typo.
4464 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4466 * tree.h (tree_value_handle): Remove struct value_set declaration.
4467 Change value_set to bitmap_set.
4468 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4469 * tree-vn.c (get_value_handle): Made inline and moved to
4471 * tree-flow-inline.h: (has_stmt_ann): New function.
4472 * tree-ssa-pre.c (expressions): New variable.
4473 (next_expression_id): Ditto.
4474 (alloc_expression_id): New function.
4475 (struct value_set): Remove.
4476 (get_expression_id): New function.
4477 (get_or_alloc_expression_id): Ditto.
4478 (expression_for_id): Ditto.
4479 (clear_expression_ids): Ditto.
4480 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4481 (bb_value_sets): Renamed to bb_bitmap_sets.
4482 All value sets replaced with bitmap_sets.
4484 (BB_VISITED): New macro.
4485 (postorder): New variable.
4486 (add_to_value): Removed.
4487 (value_exists_in_set_bitmap): Ditto.
4488 (value_insert_into_set_bitmap): Ditto.
4491 (set_remove): Ditto.
4492 (set_contains_value): Ditto.
4493 (insert_into_set): Ditto.
4495 (find_leader): Ditto.
4496 (bitmap_set_subtract_from_value_set): Ditto.
4497 (value_insert_into_set): Ditto.
4498 (print_value_set): Ditto.
4499 (debug_value_set): Ditto.
4500 (constant_expr_p): New function.
4501 (bitmap_remove_from_set): Ditto.
4502 (bitmap_insert_into_set): Ditto.
4503 (bitmap_set_free): Ditto.
4504 (vh_compare): Ditto.
4505 (sorted_array_from_bitmap_set): Ditto.
4506 (bitmap_set_subtract): Ditto.
4507 (bitmap_set_equal): Ditto.
4508 (debug_bitmap_set): Ditto.
4509 (find_leader_in_sets): Ditto.
4510 (bitmap_set_replace_value): Modify for bitmapped sets.
4511 (phi_translate): Ditto.
4512 (phi_translate_set): Ditto.
4513 (bitmap_find_leader): Ditto.
4514 (valid_in_sets): Ditto.
4515 (union_contains_value): Ditto.
4517 (compute_antic_aux): Ditto. Mark changed blocks.
4518 (compute_antic): Ditto. Iterate in postorder and only over
4520 (compute_rvuse_and_antic_safe): Reuse postorder.
4521 (create_component_ref_by_pieces): Modify for bitmapped sets.
4522 (find_or_generate_expression): Ditto.
4523 (create_expression_by_pieces): Ditto.
4524 (insert_into_preds_of_block): Ditto.
4525 (changed_blocks): New variable.
4526 (do_regular_insertion): Broken out from insert_aux.
4527 (insert_aux): Modified for bitmapped sets.
4528 (find_existing_value_expr): New function.
4529 (create_value_expr_from): Use it.
4530 (insert_extra_phis): Removed.
4531 (print_bitmap_set): Renamed from bitmap_print_value_set.
4532 (compute_avail): Handle RETURN_EXPR.
4533 (init_pre): Modify for bitmapped sets.
4534 * tree-flow.h (has_stmt_ann): New function.
4536 2006-10-29 Roger Sayle <roger@eyesopen.com>
4538 * builtins.c (fold_builtin_floor): Check for the availability of
4539 the C99 trunc function before transforming floor into trunc.
4541 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4543 * builtins.c (fold_builtin_hypot): Rearrange recursive
4544 transformation before others, and also do ABS_EXPR. When
4545 necessary, check flag_unsafe_math_optimizations. When necessary,
4548 2006-10-29 Roger Sayle <roger@eyesopen.com>
4550 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4551 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4552 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4553 Fold -X eq/ne -Y as X eq/ne Y.
4555 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4557 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4558 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4559 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4560 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4561 Use an inclusive test for "mult" rather than "mul".
4562 (rotr<mode>3): Depend on ISA_HAS_ROR.
4563 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4565 (GENERATE_MULT3_DI): Delete.
4566 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4567 (ISA_HAS_MUL3): New macro.
4568 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4569 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4570 (ISA_HAS_CLZ_CLO): Likewise.
4571 (ISA_HAS_DCLZ_DCLO): Delete.
4572 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4573 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4574 the VR4120 and VR4130.
4575 (ISA_HAS_MACCHI): Use consistent formatting.
4576 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4577 (ISA_HAS_ROR): ...this new macro.
4578 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4579 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4580 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4582 2006-10-29 Roger Sayle <roger@eyesopen.com>
4584 PR tree-optimization/15458
4585 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4588 2006-10-29 Richard Guenther <rguenther@suse.de>
4590 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4591 (ix86_expand_truncdf_32): Likewise.
4592 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4593 trunc inline for SSE math and -fno-trapping-math and if not
4594 optimizing for size.
4595 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4596 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4597 for expanding btrunc inline for SSE math.
4599 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4601 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4602 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4603 i[34567]86-*-solaris2.1[0-9]*.
4604 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4605 Define conditionally depending on TARGET_64BIT_DEFAULT.
4606 (SPEC_32, SPEC_64): Define.
4607 (LINK_SPEC): Use them.
4608 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4610 2006-10-29 Richard Guenther <rguenther@suse.de>
4612 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4613 (ix86_expand_rounddf_32): Likewise.
4614 * config/i386/i386.c (ix86_expand_round): New function expanding
4615 round inline for SSE math and -fno-trapping-math and if not
4616 optimizing for size.
4617 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4618 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4619 round via ix86_expand_round.
4621 2006-10-29 Richard Guenther <rguenther@suse.de>
4623 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4624 (ix86_expand_floorceildf_32): Likewise.
4625 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4626 static helper function.
4627 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4629 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4630 * config/i386/i386.md (floordf2): Adjust to enable floor
4631 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4632 -fno-trapping-math is enabled and if not optimizing for size.
4633 (floorsf2, ceildf2, ceilsf2): Likewise.
4634 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4635 (sse2_maskcmpdf3): Likewise.
4637 2006-10-29 Richard Guenther <rguenther@suse.de>
4639 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4640 rint in case -fno-trapping-math is enabled.
4641 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4642 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4643 (ix86_expand_sse_fabs): Likewise.
4644 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4645 * config/i386/i386.md (rintdf2): Enable for SSE math if
4646 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4647 (rintsf2): Likewise.
4649 2006-10-29 Richard Guenther <rguenther@suse.de>
4651 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4652 to conversion optabs.
4653 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4654 as conversion optab.
4655 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4656 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4657 (lfloor_optab, lceil_optab): Adjust defines.
4658 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4659 lfloor and lceil optabs now being conversion optabs.
4660 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4661 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4662 New static helper function.
4663 (ix86_expand_lfloorceil): New function to expand lfloor and
4665 * config/i386/i386.md (lfloor<mode>2): Split into ...
4666 (lfloorxf<mode>2): ... x87 variant
4667 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4668 using ix86_expand_lfloorceil.
4669 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4671 * doc/md.texi (lfloorMN, lceilMN): Document.
4673 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4675 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4676 -mno-shared assembler option on mips targets.
4677 * configure, config.in: Regenerate.
4678 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4679 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4680 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4682 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4684 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4685 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4687 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4689 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4690 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4693 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4696 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4697 (fold_builtin_pow): Evaluate constant arguments at compile-time
4699 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4700 (do_mpfr_ckconv): New helper function.
4701 (do_mpfr_arg1): Use do_mpfr_ckconv.
4702 (do_mpfr_arg2): New.
4704 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4707 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4708 (-fdump-rtl-sched): Rename to ..
4709 (-fdump-rtl-sched1): here. Also fix file extension number.
4711 2006-10-28 Richard Guenther <rguenther@suse.de>
4713 * fold-const.c (maybe_canonicalize_comparison): Fix code
4716 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4718 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4719 (NON_QI_REG_P): Use IN_RANGE.
4720 (REX_INT_REGNO_P): Use IN_RANGE.
4721 (FP_REGNO_P): Use IN_RANGE.
4722 (SSE_REGNO_P): Use IN_RANGE.
4723 (REX_SSE_REGNO_P): Use IN_RANGE.
4724 (MMX_REGNO_P): Use IN_RANGE.
4725 (STACK_REGNO_P): New macro.
4726 (STACK_REG_P): Use STACK_REGNO_P.
4727 (NON_STACK_REG_P): Use STACK_REGNO_P.
4728 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4729 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4730 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4731 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4732 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4734 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4736 * except.h (output_function_exception_table): Add 'const char*' param.
4737 * except.c (switch_to_exception_section): Add 'const char*' param.
4738 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4739 and flag_function_sections is set, use a function-specific section.
4740 (output_function_exception_table): Add 'const char*' param.
4741 Adjust call to switch_to_exception_section.
4742 * final.c (rest_of_handle_final): Adjust calls to
4743 output_function_exception_table.
4744 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4745 * config.in: Regenerate.
4746 * configure: Likewise.
4748 2006-10-28 Richard Guenther <rguenther@suse.de>
4751 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4752 for maybe_canonicalize_comparison.
4753 (maybe_canonicalize_comparison): New function for canonicalizing
4755 (fold_comparison): Call it to canonicalize comparisons with
4758 2006-10-28 Richard Guenther <rguenther@suse.de>
4761 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4762 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4763 (expand_builtin): Adjust likewise.
4764 * genopinit.c (optabs[]): Add lround optab.
4765 * optabs.c (init_optabs): Initialize lround_optab.
4766 * optabs.h (enum convert_optab_index): Add COI_lround.
4767 (lround_optab): Define.
4768 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4769 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4771 (ix86_expand_lround): New function.
4772 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4774 * doc/md.texi (lroundMN2): Document.
4776 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4779 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4780 argument to HOST_WIDE_INT. Update function prototype.
4781 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4782 "size" argument to HOST_WIDE_INT. Update function prototype.
4784 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4786 * config/i386/i386.c (output_387_ffreep): Create output from a
4787 template string for !HAVE_AS_IX86_FFREEP.
4789 2006-10-27 Eric Christopher <echristo@apple.com>
4791 * config/darwin.c: Fix formatting and grammar.
4793 2006-10-27 Jan Hubicka <jh@suse.cz>
4795 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4796 to be thrown away soon when IGNORE is set.
4797 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4798 indicating when return value shall not be computed.
4799 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4801 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4803 * config/i386/i386.h (TARGET_GEODE):
4804 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4805 (TARGET_CPU_DEFAULT_geode): New macro.
4806 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4807 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4808 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4809 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4810 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4812 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4813 (processor_type): Add PROCESSOR_GEODE.
4815 * config/i386/i386.md: Include geode.md.
4818 * config/i386/i386.c (geode_cost): New initialized global
4820 (m_GEODE, m_K6_GEODE): New macros.
4821 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4822 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4823 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4824 x86_schedule): Use m_K6_GEODE instead of m_K6.
4825 (x86_movx, x86_cmove): Set up m_GEODE.
4826 (x86_integer_DFmode_moves): Clear m_GEODE.
4827 (processor_target_table): Add entry for geode.
4828 (processor_alias_table): Ditto.
4830 * config/i386/geode.md: New file.
4832 * doc/invoke.texi: Add entry about geode processor.
4834 2006-10-27 Mike Stump <mrs@apple.com>
4836 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4837 __DYNAMIC__ from here back to ...
4838 * config/darwin.h (CPP_SPEC): ... here.
4840 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4841 Nathan Sidwell <nathan@codesourcery.com>
4843 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4844 when choosing the minimum heapsize.
4846 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4848 * gcc/unwind-dw2.h: Move cfa-related variables into
4849 struct frame_state_reg_info to ensure that the CFA is properly
4850 handled when executing DW_CFA_{remember,restore}_state.
4851 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4852 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4853 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4854 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4855 gcc/config/rs6000/linux-unwind.h,
4856 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4857 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4858 Modify to use new cfa_* fields.
4860 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4862 * config/s390/s390.c (s390_init_frame_layout): Check positive
4865 2006-10-26 Ben Elliston <bje@au.ibm.com>
4867 * gimplify.c (get_name): Remove extraneous break.
4868 (gimplify_omp_for): Initialise ret with GS_OK.
4870 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4872 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4873 Add unix98.o to link line.
4875 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4878 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4879 Calculate compile-time constants using MPFR.
4880 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4881 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4883 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4885 * config/xtensa/lib2funcs.S: Use C-style comments.
4887 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4889 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4890 (file_table_relative_p): Likewise.
4891 (dwarf2out_finish): Likewise.
4892 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4894 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4896 * tree-ssa-structalias.c (intra_create_variable_infos):
4897 Don't recreate nonlocal_all if it already exists.
4899 2006-10-25 Richard Guenther <rguenther@suse.de>
4902 * optabs.h (enum optab_index): Remove OTI_lrint.
4903 (enum convert_optab_index): Add COI_lrint.
4904 (lrint_optab): Adjust.
4905 (expand_sfix_optab): Declare.
4906 * optabs.c (expand_sfix_optab): New function.
4907 (init_optabs): Init lrint_optab as conversion optab.
4908 * genopinit.c (lrint_optab): Change to a conversion optab.
4909 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4910 expansion via conversion optab.
4911 * config/i386/i386.md (*fistdi2_1): Remove
4912 flag_unsafe_math_optimizations guard.
4913 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4914 fist<mode>2_with_temp): Likewise.
4915 (lrint<mode>2): Split into...
4916 (lrintxf<mode>2): ... x87 part
4917 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4918 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4919 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4920 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4921 * doc/md.texi (lrintMN2): Document.
4923 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4926 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4927 Use inc and dec instructions for TARGET_USE_INCDEC.
4928 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4929 ("sync_double_compare_and_swap<mode>"): Likewise.
4930 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4931 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4932 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4933 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4934 ("sync_old_add<mode>"): Likewise.
4935 ("sync_lock_test_and_set<mode>"): Likewise.
4936 ("sync_lock_test_and_set<mode>"): Likewise.
4937 ("sync_add<mode>"): Likewise.
4938 ("sync_sub<mode>"): Likewise.
4939 ("sync_ior<mode>"): Likewise.
4940 ("sync_and<mode>"): Likewise.
4941 ("sync_xor<mode>"): Likewise.
4943 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4945 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4946 (remainder_optab): Define corresponding macro.
4947 (drem_optab): Remove.
4948 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4949 drem_optab initialization.
4950 * genopinit.c (optabs): Implement remainder_optab using
4951 remainder?f3 patterns. Remove drem_optab.
4952 * builtins.c (expand_builtin_mathfn_2): Handle
4953 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4954 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4955 expand_builtin_mathfn_2.
4957 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4958 depend on flag_unsafe_math_optimizations.
4960 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4961 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4962 Do not depend on flag_unsafe_math_optimizations. Use
4963 truncxf?f expander instead of truncxf?f_i387_noop.
4965 ("fpremxf4", "fprem1xf4"): Do not depend on
4966 flag_unsafe_math_optimizations.
4967 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4968 flag_unsafe_math_optimizations. Use truncxf?f expander
4969 instead of truncxf?f_i387_noop.
4971 * doc/md.texi (fmod, remainder): Document standard named pattern.
4973 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4974 David Daney <ddaney@avtrex.com>
4977 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
4979 2006-10-25 Ben Elliston <bje@au.ibm.com>
4981 * doc/extend.texi (Variable Attributes): Typo fix.
4983 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4985 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4986 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4987 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4988 (FRAME_POINTER_REGNUM): Update register number to 21.
4989 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4990 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4992 * config/i386/i386.c (regclass_map): Add fpcr entry.
4993 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4995 (print_reg): Assert REGNO (x) != FPCR_REG.
4997 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4998 (DIRFLAG_REG): Renumber.
4999 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5000 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5001 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5002 hardcoded SSE register numbers.
5004 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5005 hardcoded MMX register numbers.
5007 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5010 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5011 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5013 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5014 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5015 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5016 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5018 2006-10-24 Richard Guenther <rguenther@suse.de>
5021 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5022 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5023 for deciding optimizations in consistency with fold-const.c
5024 (fold_builtin_unordered_cmp): Likewise.
5026 2006-10-24 Richard Guenther <rguenther@suse.de>
5028 * builtins.c (fold_builtin_floor): Fold floor (x) where
5029 x is nonnegative to trunc (x).
5030 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5031 nonnegative to FIX_TRUNC_EXPR.
5033 2006-10-24 Richard Guenther <rguenther@suse.de>
5035 PR tree-optimization/29567
5036 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5037 for TRUTH_NOT_EXPR. Clarify comments.
5039 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5042 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5043 at compile-time using MPFR. Change parameter VALUE to FUNC,
5045 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5046 for overflow and underflow at all times and avoid folding in
5049 2006-10-24 Ben Elliston <bje@au.ibm.com>
5051 * reload1.c: Formatting fixes.
5053 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5055 PR tree-optimization/14784
5056 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5057 * tree-ssa-structalias.c (get_constraint_for,
5058 intra_create_variable_infos): Set is_heapvar.
5059 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5060 non-heapvar pointer variables specially.
5062 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5065 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5066 fold_builtin_tan): Fold all constant arguments. Take a "type"
5067 argument as necessary.
5068 (do_mpfr_arg1): New.
5069 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5071 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5073 * config/xtensa/lib1funcs.asm: Use C-style comments.
5075 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5077 * tree.c (local_define_builtin): Replace calls to
5078 lang_hooks.builtin_function with add_builtin_function.
5079 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5081 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5083 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5084 common code to add_builtin_function.
5085 * langhooks.c (add_builtin_function): New function.
5086 (lhd_builtin_function): New function.
5087 * langhooks.h (struct lang_hooks): Change the signature of
5089 (add_builtin_function): New function.
5090 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5091 calls to lang_hooks.builtin_function with add_builtin_function.
5092 * c-common.c (decl_builtin_1): Replace calls to
5093 lang_hooks.builtin_function with add_builtin_function.
5094 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5095 lang_hooks.builtin_function with add_builtin_function.
5096 * config/frv/frv.c (def_builtin): Replace calls to
5097 lang_hooks.builtin_function with add_builtin_function.
5098 * config/s390/s390.c (s390_init_builtins): Replace calls to
5099 lang_hooks.builtin_function with add_builtin_function.
5100 * config/sparc/sparc.c (def_builtin): Replace calls to
5101 lang_hooks.builtin_function with add_builtin_function.
5102 * config/i386/i386.c (def_builtin): Replace calls to
5103 lang_hooks.builtin_function with add_builtin_function.
5104 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5105 lang_hooks.builtin_function with add_builtin_function.
5106 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5107 lang_hooks.builtin_function with add_builtin_function.
5108 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5109 Replace calls to lang_hooks.builtin_function with
5110 add_builtin_function.
5111 * config/iq2000/iq2000.c (def_builtin):
5112 Replace calls to lang_hooks.builtin_function with
5113 add_builtin_function.
5114 * config/ia64/ia64.c (def_builtin): Replace calls to
5115 lang_hooks.builtin_function with add_builtin_function.
5116 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5117 lang_hooks.builtin_function with add_builtin_function.
5118 (altivec_init_builtins): Replace calls to
5119 lang_hooks.builtin_function with add_builtin_function.
5120 * config/arm/arm.c (def_mbuiltin): Replace calls to
5121 lang_hooks.builtin_function with add_builtin_function.
5122 (arm_init_tls_builtins): Replace calls to
5123 lang_hooks.builtin_function with add_builtin_function.
5124 * config/mips/mips.c (mips_init_builtins): Replace calls to
5125 lang_hooks.builtin_function with add_builtin_function.
5126 * config/bfin/bfin.c (def_builtin): Replace calls to
5127 lang_hooks.builtin_function with add_builtin_function.
5128 * langhooks-def.h (lhd_builtin_function): New function.
5129 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5131 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5133 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5134 BUILT_IN_STRNCAT_CHK.
5136 2006-10-23 Jan Hubicka <jh@suse.cz>
5138 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5139 don't do conversion from memmove to memcpy here.
5140 (expand_builtin_bcopy, expand_builtin): Update call of
5141 expand_builtin_memmove.
5142 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5144 2006-10-23 Paul Brook <paul@codesourcery.com>
5146 * stor-layout.c (start_record_layout): maximum_field_alignment
5147 overrides STRUCTURE_SIZE_BOUNDARY.
5149 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5151 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5152 nonlocal function symbols if flag_pic.
5154 2006-10-23 Richard Guenther <rguenther@suse.de>
5158 * builtins.c (fold_binary): Remove checks for flag_wrapv
5159 and flag_trapv where negate_expr_p covers these cases.
5161 2006-10-23 Richard Guenther <rguenther@suse.de>
5164 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5165 of two on the absolute value.
5166 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5167 and negating -C does not overflow.
5169 2006-10-23 Richard Guenther <rguenther@suse.de>
5172 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5173 only if not flag_rounding_math.
5175 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5176 Kaz Kojima <kkojima@gcc.gnu.org>
5179 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5180 SImode memory reference for the source of a movua.
5181 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5182 (movua): Use an unspec instead of sign_extract. Expect the source
5183 to have mode BLKmode.
5184 (extv, insv): Use a BLKmode rather than SImode memory reference
5185 for the source of a movua.
5187 2006-10-22 Jeff Law <law@redhat.com>
5188 Richard Guenther <rguenther@suse.de>
5190 PR tree-optimization/15911
5191 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5192 (register_edge_assert_for_1): Likewise.
5193 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5194 (find_conditional_asserts): Adjust for new function signature.
5195 (find_assert_locations): Likewise.
5197 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5199 * config/i386/tmmintrin.h: Remove the duplicated content.
5201 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5203 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5204 (x86_64-*-*): Likewise.
5206 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5207 (override_options): Check SSSE3.
5208 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5209 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5210 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5211 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5212 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5213 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5214 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5215 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5216 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5217 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5218 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5219 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5220 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5221 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5222 IX86_BUILTIN_PABSD128.
5223 (bdesc_2arg): Add SSSE3.
5224 (bdesc_1arg): Likewise.
5225 (ix86_init_mmx_sse_builtins): Support SSSE3.
5226 (ix86_expand_builtin): Likewise.
5227 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5229 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5230 (UNSPEC_PSIGN): Likewise.
5231 (UNSPEC_PALIGNR): Likewise.
5232 Include mmx.md before sse.md.
5234 * config/i386/i386.opt: Add -mssse3.
5236 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5237 (ssse3_phaddwv4hi3): Likewise.
5238 (ssse3_phadddv4si3): Likewise.
5239 (ssse3_phadddv2si3): Likewise.
5240 (ssse3_phaddswv8hi3): Likewise.
5241 (ssse3_phaddswv4hi3): Likewise.
5242 (ssse3_phsubwv8hi3): Likewise.
5243 (ssse3_phsubwv4hi3): Likewise.
5244 (ssse3_phsubdv4si3): Likewise.
5245 (ssse3_phsubdv2si3): Likewise.
5246 (ssse3_phsubswv8hi3): Likewise.
5247 (ssse3_phsubswv4hi3): Likewise.
5248 (ssse3_pmaddubswv8hi3): Likewise.
5249 (ssse3_pmaddubswv4hi3): Likewise.
5250 (ssse3_pmulhrswv8hi3): Likewise.
5251 (ssse3_pmulhrswv4hi3): Likewise.
5252 (ssse3_pshufbv16qi3): Likewise.
5253 (ssse3_pshufbv8qi3): Likewise.
5254 (ssse3_psign<mode>3): Likewise.
5255 (ssse3_psign<mode>3): Likewise.
5256 (ssse3_palignrti): Likewise.
5257 (ssse3_palignrdi): Likewise.
5258 (abs<mode>2): Likewise.
5259 (abs<mode>2): Likewise.
5261 * config/i386/tmmintrin.h: New file.
5263 * doc/extend.texi: Document SSSE3 built-in functions.
5265 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5267 2006-10-22 Ira Rosen <irar@il.ibm.com>
5269 * tree-vect-transform.c (vectorizable_load): Use the type of the
5270 return value of the mask_for_load builtin to create realign_load
5273 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5275 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5278 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5280 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5281 (UNSPEC_LDDQU): This.
5282 * config/i386/sse.md (sse3_lddqu): Updated.
5284 2006-10-21 Richard Guenther <rguenther@suse.de>
5286 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5287 (expand_builtin): Use it to expand lrint instead of
5288 expand_builtin_mathfn.
5290 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5293 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5294 flag_unsafe_math_optimizations is set.
5296 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5299 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5300 patterns to use memory input operand in x87->mem->XMM
5301 reload sequences. Skip transformation for TARGET_K8.
5303 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5305 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5306 force operand1 to register if both operands are memory operands.
5307 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5308 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5309 if both operands are memory operands.
5310 (truncdfsf2): Do not force operand1 to register if both operands
5311 are memory operands.
5313 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5315 * Makefile.in (LIBS): Add $(GMPLIBS).
5316 * doc/install.texi: Update GMP and MPFR requirements.
5317 * doc/sourcebuild.texi (need_gmp): Delete.
5319 2006-10-21 Richard Guenther <rguenther@suse.de>
5321 PR tree-optimization/3511
5322 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5323 got new invariant arguments during PHI translation.
5325 2006-10-21 Richard Guenther <rguenther@suse.de>
5328 * fold-const.c (fold_comparison): Fold signed comparisons
5329 of the form X +- C1 CMP Y +- C2.
5331 2006-10-21 Richard Guenther <rguenther@suse.de>
5334 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5335 if flag_unsafe_math_optimizations is specified. We have
5336 flag_finite_math_only for that.
5337 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5338 or flag_unsafe_math_optimizations.
5340 2006-10-21 Richard Guenther <rguenther@suse.de>
5342 * builtins.c (fold_builtin_classify): Fix typo.
5344 2006-10-21 Richard Guenther <rguenther@suse.de>
5347 * simplify-rtx.c (simplify_const_relational_operation):
5348 Do not constant-fold ORDERED and UNORDERED for
5349 flag_unsafe_math_optimizations but only we do not need to
5350 honor NaNs for the given mode.
5352 2006-10-21 Richard Guenther <rguenther@suse.de>
5355 * config/i386/i386.c (classify_argument): Remove redundant
5356 walking of the BINFOs.
5357 (contains_128bit_aligned_vector_p): Likewise.
5359 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5361 * BASE-VER: Set to 4.3.0.
5363 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5365 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5366 (tree_decl_with_vis): Remove artificial_pta_var flag.
5367 * tree-flow.h (referenced_var_check_and_insert): Expose.
5368 (nonlocal_all): New prototype.
5369 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5370 (nonlocal_all): Make global.
5371 (nonlocal_lookup): Remove.
5372 (nonlocal_insert): Ditto.
5373 (create_nonlocal_var): Do not call nonlocal_insert.
5374 (get_nonlocal_id_for_type): Remove.
5375 (find_global_initializers): Mark new vars we find for renaming.
5376 (intra_create_variable_infos): Only create one nonlocal.
5377 (expand_nonlocal_solutions): Remove.
5378 (compute_points_to_sets): Don't call it.
5379 (ipa_pta_execute): Ditto.
5380 (init_alias_heapvars): Don't create nonlocal_for_type.
5381 (delete_alias_heapvars): Don't remove it.
5382 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5385 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5387 * doc/install.texi (Downloading GCC): Clarify mention of
5388 Fortran in the "full distribution" description.
5390 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5392 Fix PR tree-optimization/28778
5393 Fix PR tree-optimization/29156
5394 Fix PR tree-optimization/29415
5395 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5396 (tree_decl_with_vis): Add artificial_pta_var flag.
5397 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5398 pushed into callers.
5399 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5400 (nonlocal_all): Ditto.
5401 (struct variable_info): Add directly_dereferenced member.
5402 (var_escaped_vars): New variable.
5403 (escaped_vars_tree): Ditto.
5404 (escaped_vars_id): Ditto.
5405 (nonlocal_vars_id): Ditto.
5406 (new_var_info): Set directly_dereferenced.
5407 (graph_size): New variable
5408 (build_constraint_graph): Use graph_size.
5409 (solve_graph): Don't process constraints that cannot change the
5410 solution, don't try to propagate an empty solution to our
5412 (process_constraint): Set directly_dereferenced.
5413 (could_have_pointers): New function.
5414 (get_constraint_for_component_ref): Don't process STRING_CST.
5415 (nonlocal_lookup): New function.
5416 (nonlocal_insert): Ditto.
5417 (create_nonlocal_var): Ditto.
5418 (get_nonlocal_id_for_type): Ditto.
5419 (get_constraint_for): Allow results vector to be empty in the case
5420 of string constants.
5421 Handle results of calls properly.
5422 (update_alias_info): Update alias info stats on number and type of
5424 (find_func_aliases): Use could_have_pointers.
5425 (make_constraint_from_escaped): Renamed from
5426 make_constraint_to_anything, and changed to make constraints from
5428 (make_constraint_to_escaped): New function.
5429 (find_global_initializers): Ditto.
5430 (create_variable_info_for): Make constraint from escaped to any
5431 global variable, and from any global variable to the set of
5433 (intra_create_variable_infos): Deal with escaped instead of
5434 pointing to anything.
5435 (set_uids_in_ptset): Do type pruning on directly dereferenced
5437 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5438 (init_base_vars): Fix comment, and initialize escaped_vars.
5439 (need_to_solve): Removed.
5440 (find_escape_constraints): New function.
5441 (expand_nonlocal_solutions): Ditto.
5442 (compute_points_to_sets): Call find_escape_constraints and
5443 expand_nonlocal_solutions.
5444 (delete_points_to_sets): Don't fall off the end of the graph.
5445 (init_alias_heapvars): Initialize nonlocal_for_type and
5447 (delete_alias_heapvars): Free nonlocal_for_type and null out
5450 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5452 * fold-const.c (add_double): Rename to add_double_with_sign.
5453 Add 'unsigned_p' parameter and take it into account for the overflow.
5454 (mul_double): Rename to mul_double_with_sign.
5455 Add 'unsigned_p' parameter and take it into account for the overflow.
5456 (fold_div_compare): Call add_double_with_sign instead of add_double
5457 and mul_double_with_sign instead of mul_double, passing them the
5458 unsignedness of the type.
5459 * tree.h (add_double): Macroize.
5460 (add_double_with_sign): New prototype.
5461 (mul_double): Macroize.
5462 (mul_double_with_sign): New prototype.
5464 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5466 * config/score/crti.asm: New file.
5467 * config/score/crtn.asm: New file.
5468 * config/score/elf.h: New file.
5469 * config/score/mac.md: New file.
5470 * config/score/misc.md: New file.
5471 * config/score/mul-div.S: New file.
5472 * config/score/predicates.md: New file.
5473 * config/score/score7.md: New file.
5474 * config/score/score.c: New file.
5475 * config/score/score-conv.h: New file.
5476 * config/score/score.h: New file.
5477 * config/score/score.md: New file.
5478 * config/score/score-mdaux.c: New file.
5479 * config/score/score-mdaux.h: New file.
5480 * config/score/score-modes.def: New file.
5481 * config/score/score.opt: New file.
5482 * config/score/score-protos.h: New file.
5483 * config/score/score-version.h: New file.
5484 * config/score/t-score-elf: New file.
5485 * config.gcc: Add score*-*-* configurations(Update before).
5486 * doc/invoke.texi (Score Options): New section.
5487 * doc/md.texi (Score family): New section to document constraints.
5489 2006-10-19 Nick Clifton <nickc@redhat.com>
5491 * config/arm/arm.c: Fix spelling typo.
5493 2006-10-18 Tom Tromey <tromey@redhat.com>
5495 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5497 2006-10-18 Jan Hubicka <jh@suse.cz>
5500 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5503 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5505 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5506 TSI_SAME_STMT, since that's the desired entity.
5508 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5510 * config/s390/contraints.md: New file.
5511 * config/s390/s390-protos.h (s390_mem_constraint,
5512 s390_O_constraint_str, s390_N_constraint_str,
5513 s390_float_const_zero_p): Function prototypes added.
5514 * config/s390/s390.c (s390_extra_constraint_str,
5515 s390_const_double_ok_for_constraint_p,
5516 s390_const_ok_for_constraint_p): Functions removed.
5517 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5518 s390_float_const_zero_p): New functions.
5519 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5520 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5521 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5522 Macro definitions removed.
5523 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5524 s390_extra_constraint_str): Functions removed.
5526 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5527 Richard Sandiford <richard@codesourcery.com>
5530 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5531 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5533 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5535 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5536 (DWARF2_FRAME_REG_OUT): Likewise.
5537 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5538 (DWARF2_FRAME_REG_OUT): Likewise.
5540 2006-10-17 Paul Brook <paul@codesourcery.com>
5542 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5544 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5546 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5547 Standardize on "GNU Fortran" as the official name of the Fortran
5550 2006-10-16 Mike Stump <mrs@apple.com>
5552 * doc/invoke.texi (Darwin Options): Document -mkernel.
5553 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5555 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5556 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5557 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5558 (OS_MISSING_ALTIVEC): Add.
5559 * config/i386/i386.c (override_options): Add
5560 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5561 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5562 -mkernel, -static or -mdynamic-no-pic is given.
5563 (C_COMMON_OVERRIDE_OPTIONS): Add.
5564 * config/darwin.opt (fapple-kext): Add.
5566 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5567 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5569 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5570 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5571 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5572 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5573 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5574 (flag_mkernel): Add.
5575 (flag_apple_kext): Add.
5576 (TARGET_KEXTABI): Add.
5577 * config/darwin.c (darwin_handle_kext_attribute): Add.
5578 (DARWIN_VTABLE_P): Add.
5579 (darwin_binds_local_p): Add partial support for rebinding vtables
5581 (darwin_kextabi_p): Add.
5582 (darwin_override_options): Add.
5583 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5584 (darwin_kextabi_p): Add.
5585 (darwin_override_options): Add.
5586 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5587 __DYNAMIC__ and __STATIC__ here.
5589 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5591 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5592 Added mention of "make pdf" target, and Texinfo requirements for
5595 2006-10-16 DJ Delorie <dj@redhat.com>
5597 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5598 into the GOT in case we need a subreg of the address.
5600 2006-10-16 Richard Guenther <rguenther@suse.de>
5603 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5604 SSE builtin documentation. Document SSE2 builtins.
5606 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5608 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5609 symbol in the output file for non-shared links when -nostdlib or
5610 -nodefaultlibs isn't specified.
5612 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5613 posix thread support.
5615 2006-10-15 Jan Hubicka <jh@suse.cz>
5618 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5619 declared always_inline even when not inlining.
5621 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5622 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5623 Andrew Pinski <pinskia@gmail.com>
5626 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5628 2006-10-15 Jan Hubicka <jh@suse.cz>
5629 Richard Guenther <rguenther@suse.de>
5632 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5633 process_function_and_variable_attributes on all variables, including
5634 those discovered during cgraph construction phase.
5636 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5638 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5640 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5642 * config/i386/athlon.md (athlon_fist): Add fisttp.
5644 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5645 Ian Lance Taylor <ian@airs.com>
5648 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5649 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5652 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5654 * config/score/score.c, config/score/score.h: Fix comment
5657 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5660 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5663 2006-10-13 Eric Christopher <echristo@apple.com>
5665 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5667 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5670 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5671 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5672 alignment supported by 32-bit ELF.
5674 2006-10-13 Eric Christopher <echristo@apple.com>
5676 * config/darwin.c (darwin_emit_unwind_label): Strip
5677 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5679 2006-10-13 Richard Guenther <rguenther@suse.de>
5681 PR tree-optimization/29446
5682 * tree-vrp.c (fix_equivalence_set): Remove.
5683 (extract_range_from_assert): Do not call fix_equivalence_set.
5684 (debug_value_range): Print a newline.
5685 (compare_name_with_value): For equivalence sets with
5686 inconsistent value ranges conservatively bail out.
5687 (compare_names): Likewise.
5689 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5691 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5692 and MPFR for gfortran.
5694 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5696 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5697 alignment supported by 32-bit ELF.
5699 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5703 * c-typeck.c (digest_init): Always allow initializing vectors
5704 that have static storage duration with compound literals.
5705 * tree.c (build_type_attribute_qual_variant): New, based on
5706 build_type_attribute_variant.
5707 (build_type_attribute_variant): Rewrite using the former.
5708 (make_vector_type): Use build_type_attribute_qual_variant to build
5709 type variants. Use type_hash_canon on the others.
5711 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5712 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5714 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5716 2006-10-12 Jan Hubicka <jh@suse.cz>
5719 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5720 current_function_decl is set but current_function_scope is not.
5722 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5724 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5725 emit_insn to emit eh_return_internal instruction.
5726 (eh_return_internal): Explicitly set pc.
5728 2006-10-11 Richard Guenther <rguenther@suse.de>
5730 PR tree-optimization/28230
5731 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5732 to the correct place.
5734 2006-10-11 Richard Guenther <rguenther@suse.de>
5737 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5740 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5742 * configure.ac: Added pdf to "Make-hooks"
5743 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5744 targets and *.pdf file patterns in cleanup targets.
5745 * configure: Regenerated.
5747 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5749 * config/avr/predicates.md: New file.
5750 * config/avr/avr.md: Include it.
5751 (REG_SP): New constant.
5752 (peepholes): Use predicates.
5753 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5754 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5755 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5757 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5759 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5762 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5765 * builtins.c (var_decl_component_p): New function.
5766 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5767 single entry optimization to variables and components thereof.
5769 2006-10-10 Richard Guenther <rguenther@suse.de>
5771 PR rtl-optimization/29323
5772 * except.c (set_nothrow_function_flags): For functions
5773 that do not bind local bail out early.
5775 2006-10-10 Ben Elliston <bje@au.ibm.com>
5777 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5780 2006-10-09 Richard Henderson <rth@redhat.com>
5782 Revert emutls patch.
5784 2006-10-09 Richard Guenther <rguenther@suse.de>
5787 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5790 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5793 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5794 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5795 * configure: Regenerate.
5796 * config.in: Regenerate.
5798 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5800 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5802 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5804 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5805 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5806 Remove stray newline.
5808 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5810 * config/mips/mips.c (mips_classify_symbol): Do not return
5811 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5812 (mips_in_small_data_p): Tweak comments.
5814 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5816 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5818 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5820 * gimplify.c, sched-int.h: Fix comment typos.
5822 * sched-int.h: Fix comment typos.
5824 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5826 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5828 * sched-ebb.c (begin_schedule_ready): Use them.
5829 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5830 add_to_speculative_block, create_check_block_twin, speculate_insn,
5831 fix_jump_move, move_block_after_check): Ditto.
5832 * sched-rgn.c (new_ready): Ditto.
5834 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5836 PR rtl-optimization/29128
5837 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5838 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5839 allow interblock movement of speculation checks.
5841 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5844 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5845 casted to integer type.
5846 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5847 if they are significantly more expensive than [reg + index] ones.
5849 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5851 PR tree-optimization/29330
5852 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5853 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5854 on newly allocated ddrs.
5855 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5856 to VEC (loop_p, heap) pointer.
5857 (compute_data_dependences_for_loop): Adjust caller.
5858 (free_dependence_relations): Free DDR_LOOP_NEST.
5860 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5861 free DEPENDENCE_RELATIONS and DATAREFS.
5864 * builtins.c (expand_builtin_sync_operation,
5865 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5866 Use convert_to_mode to handle promoted arguments.
5868 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5870 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5872 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5874 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5876 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5878 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5879 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5880 Use <modeconstraint> instead of "r" as operand 1 constraint.
5882 2006-10-06 Olivier Hainque <hainque@adacore.com>
5884 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5885 Don't recurse on the pointed-to type.
5886 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5887 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5888 types with components of variable size.
5890 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5892 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5894 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5896 PR tree-optimization/29290
5897 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5901 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5902 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5905 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5906 the number of vector elements fill the rest with zeros.
5908 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5910 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5911 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5914 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5916 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5917 unnamed pattern into subsi3. Use correct constraints/predicates.
5918 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5919 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5921 2006-10-05 Ira Rosen <irar@il.ibm.com>
5923 * doc/loop.texi: Add data references analysis description.
5925 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5927 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5929 2006-10-04 Richard Henderson <rth@redhat.com>
5930 Jakub Jelinek <jakub@redhat.com>
5932 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5933 * builtin-types.def (BT_WORD): Make unsigned.
5934 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5935 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5936 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5937 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5938 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5939 * cgraph.c (decide_is_variable_needed): Look at force_output.
5940 Recurse for emulated tls.
5941 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5942 checks redundant with decide_is_variable_needed.
5943 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5944 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5946 * expr.c (emutls_var_address): New.
5947 (expand_expr_real_1): Expand emulated tls.
5948 (expand_expr_addr_expr_1): Likewise.
5949 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5950 * output.h (emutls_finish): Declare.
5951 * toplev.c (compile_file): Call it.
5952 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5953 address before wrapping in CONST.
5954 * varasm.c (emutls_htab, emutls_object_type): New.
5955 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5956 (get_emutls_object_name, get_emutls_object_type): New.
5957 (get_emutls_init_templ_addr, emutls_decl): New.
5958 (emutls_common_1, emutls_finish): New.
5959 (assemble_variable): When emulating tls, swap decls; generate
5960 constructor for the emutls objects.
5961 (do_assemble_alias): When emulating tls, swap decl and target name.
5962 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5964 * emutls.c: New file.
5965 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5966 tls_object for real tls.
5968 2006-10-04 Zack Weinberg <zackw@panix.com>
5970 Fix bug in constraint-check generator, reported by Rask Ingemann
5972 * genpreds.c (add_constraint): Don't remove anything from the
5974 (write_tm_constrs_h): Detect whether "op" argument is used, and
5975 mark it ARG_UNUSED if it isn't.
5976 (write_insn_const_int_ok_for_constraint): Skip the part of the
5977 expression that would test whether "op" (which is not available
5978 here) is a CONST_INT.
5980 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
5983 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5985 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5987 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5988 current Leopard versions.
5989 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5991 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5993 * doc/install.texi: Fix typos.
5995 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5997 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5998 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5999 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6001 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6003 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6004 arg to be struct mach_header_64* instead.
6006 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6009 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6010 side effects after the outer expression's post side effects.
6012 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6014 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6015 comments to reflect actual behavior and relationship between
6016 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6018 * doc/c-tree.texi (Working with declarations): Fix documentation
6019 of FIELD_DECL likewise.
6021 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6024 * doc/extend.texi: Add used variable attribute description.
6026 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6029 * c.opt (Woverride-init): New.
6030 * c-opts.c (c_common_post_options): Default warn_override_init to
6032 * c-typeck.c (add_pending_init, output_init_element): Warn for
6033 overriding initializers without side effects.
6034 * doc/invoke.texi (-Woverride-init): Document.
6037 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6039 PR rtl-optimization/28096
6040 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6041 assignment has already been used as a destination earlier in the block.
6043 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6045 * builtins.c (expand_builtin_setjmp): Delete.
6046 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6047 <BUILT_IN_SETJMP_SETUP>: New case.
6048 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6049 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6050 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6051 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6052 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6053 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6054 (lower_function_body): Initialize it to false. If it is set to true
6055 at the end of the processing, emit the setjmp dispatcher.
6056 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6057 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6058 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6059 on the rhs of the assignment.
6060 (lower_builtin_setjmp): New function.
6061 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6062 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6063 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6064 to detect calls that can go to non-local labels. Use specific
6065 helper to create the abnormal edges associated with them.
6066 <MODIFY_EXPR>: Likewise.
6067 (make_abnormal_goto_edges): New function extracted from...
6068 (make_goto_expr_edges): ...here. Call it for computed gotos.
6069 (simple_goto_p): Minor tweak.
6070 (tree_can_make_abnormal_goto): New predicate.
6071 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6072 (tree_purge_dead_abnormal_call_edges): New function.
6073 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6074 (tree_purge_dead_abnormal_call_edges): Likewise.
6075 (make_abnormal_goto_edges): Likewise.
6076 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6077 Purge all dead abnormal edges if the call was in the last statement.
6078 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6079 (execute_fixup_cfg): If there are non-local labels in the function,
6080 scan the basic blocks and split them at calls that can go to non-local
6081 labels or add missing abnormal call edges. Write down the CFG in the
6083 (pass_fixup_cfg): Remove TODO_dump_func flag.
6084 * unwind-sjlj.c: Poison setjmp.
6085 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6086 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6087 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6088 (DONT_USE_BUILTIN_SETJMP): Document it.
6090 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6093 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6094 to 1 when __ppc64__ is defined.
6095 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6097 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6099 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6101 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6102 * config/ia64/unwind-hpux.c: Delete.
6104 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6106 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6107 on the element before gimplifying it, instead of punting if it is of
6110 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6112 * doc/loop.texi: New file.
6113 * doc/gccint.texi: Reference loop.texi.
6114 * Makefile.in (loop.texi): Add.
6116 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6118 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6120 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6121 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6123 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6125 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6127 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6129 * doc/install.texi: Document required versions of GMP and MPFR.
6131 2006-09-27 Paul Brook <paul@codesourcery.com>
6134 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6136 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6138 * reload1.c (alter_reg): Require the alignment of the stack slot to
6139 be at least reg_max_ref_width bytes.
6140 (scan_paradoxical_subregs): Record the largest width in
6143 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6147 * tree-nested.c (struct nesting_info): Added static_chain_added.
6148 (convert_call_expr): Set static_chain_added when adding static
6149 chain. Handle OMP_PARALLEL and OMP_SECTION.
6151 2006-09-25 Matthias Klose <doko@debian.org>
6153 * doc/invoke.texi: Add missing full stop.
6155 2006-09-25 Richard Henderson <rth@redhat.com>
6157 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6158 before cgraph_function_flags_ready.
6160 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6161 Adam Nemet <anemet@caviumnetworks.com>
6163 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6164 determine_common_wider_type): New functions.
6165 (get_computation_aff): Use them to simplify arithmetic between
6166 UBASE and CBASE if they are shortened from the same type.
6168 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6171 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6172 -2147483647 - 1 instead of 0x80000000.
6174 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6176 * flags.h (HONOR_NANS): Fix typo in comment.
6178 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6180 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6182 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6186 * tree.c (merge_attributes, attribute_list_contained): If both
6187 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6189 * c-typeck.c (comptypes_internal): Don't consider aggregates
6190 in different TUs as compatible if there one set of attributes is
6191 not a subset of the other type's attributes.
6192 (composite_type): Try harder not to create a new aggregate type.
6194 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6196 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6197 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6198 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6199 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6200 than replicating condition above.
6201 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6203 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6204 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6205 the linker by default.
6207 2006-09-22 Mike Stump <mrs@apple.com>
6209 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6212 2006-09-22 Richard Guenther <rguenther@suse.de>
6215 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6216 sort of stack variables stable.
6218 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6221 * explow.c (force_reg): Set REG_POINTER flag according to
6224 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6226 PR tree-optimization/28888
6227 * tree-if-conv.c (combine_blocks): Rewritten.
6228 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6229 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6231 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6233 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6236 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6238 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6240 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6242 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6244 2006-09-21 Roger Sayle <roger@eyesopen.com>
6247 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6248 dw_fde_current_label, to be the start of the function, i.e. the same
6249 value as dw_fde_begin.
6251 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6253 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6254 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6255 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6256 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6257 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6258 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6259 (abs<mode>2, neg<mode>2): Likewise.
6260 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6261 (*mips_abs_ps): New define_insn.
6263 2006-09-20 Josh Conner <jconner@apple.com>
6266 * calls.c (expand_call): Allow reuse of structure return stack
6269 2006-09-20 Paul Brook <paul@codesourcery.com>
6271 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6274 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6276 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6277 clean up terminology.
6279 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6282 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6283 with tablejumps in them.
6285 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6288 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6289 wrap it into TARGET_EXPR.
6291 2006-09-20 Eric Christopher <echristo@apple.com>
6293 * config/i386/i386.c (x86_fisttp): Remove.
6294 * config/i386/i386.h (x86_fisttp): Ditto.
6295 (TARGET_FISTTP): Ditto.
6297 2006-09-19 Eric Christopher <echristo@apple.com>
6299 * doc/tm.texi (OBJC_JBLEN): Describe.
6300 * config/i386/darwin.h (OBJC_JBLEN): Define.
6301 * config/rs6000/darwin.h: Ditto.
6303 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6305 PR rtl-optimization/21299
6306 * reload1.c (reload): Purge invalid ASMs in the final pass.
6308 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6311 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6312 pointers as legitimate constants.
6314 2006-09-19 Paul Brook <paul@codesourcery.com>
6317 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6319 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6321 PR tree-optimization/28887
6322 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6323 component parts from the reference.
6324 (gather_memory_references_ref): Record the reference without the
6325 nonaddressable component parts.
6327 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6330 * c-opts.c (c_common_handle_option): Ignore the -std options
6331 if the input language is assembly.
6333 2006-09-17 Ira Rosen <irar@il.ibm.com>
6336 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6338 (ptr_ptr_may_alias_p): Likewise.
6339 (record_record_differ_p): New function.
6340 (base_object_differ_p): Call record_record_differ_p.
6342 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6345 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6346 away for the expr argument.
6348 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6351 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6352 before using it for dumping after vectorizing loops.
6354 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6355 Jack Howarth <howarth@bromo.med.uc.edu>
6358 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6359 skip on error_mark_node.
6360 (rs6000_darwin64_record_arg_recurse): Likewise.
6362 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6364 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6365 * doc/rtl.texi: Remove related documentation.
6367 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6369 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6372 2006-09-15 Jim Wilson <wilson@specifix.com>
6374 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6375 Handle symbol offsets same as they are handled in ia64_expand_move
6378 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6380 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6381 Add forgotten parameter to the fprintf call.
6383 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6385 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6387 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6389 * doc/contrib.texi: Add my entry.
6391 2006-09-15 Nick Clifton <nickc@redhat.com>
6393 * doc/md.texi (Processor pipeline description): Fix typo in
6394 example of how to use the absence_set directive and reword the
6395 description to make it slightly easier to read.
6397 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6399 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6400 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6401 expanding the number of iterations.
6402 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6404 * cfgrtl.c (emit_insn_at_entry): New function.
6405 * rtl.h (emit_insn_at_entry): Declare it.
6406 * integrate.c (emit_initial_value_sets): Use it.
6408 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6410 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6412 (struct loop_work and related VEC declarations): Delete.
6413 (bfin_dump_loops): Print out new member bad.
6414 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6415 (bfin_scan_loop): Don't recurse.
6416 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6417 loops. No longer need to update outer loops if the current one is
6418 found bad. Move some validitiy checks to bfin_discover_loop.
6419 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6420 but changed not to check for nesting. Also changed to use the new bad
6422 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6423 time. Use bitmap based test to discover loop nesting.
6425 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6427 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6430 2006-09-14 Richard Guenther <rguenther@suse.de>
6431 Kazu Hirata <kazu@codesourcery.com>
6433 PR middle-end/28884.
6434 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6435 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6436 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6437 with TARGET_FUNCTION_VALUE.
6439 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6442 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6444 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6446 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6449 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6452 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6455 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6457 * basic_block.h (bb_has_eh_pred): Fix comment.
6459 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6461 * flow.c (calculate_global_regs_live): Invalidate eh registers
6462 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6463 (propagate_block): Handle eh registers as if they were set at basic
6465 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6467 * global.c (global_conflicts): Make eh registers to conflict with
6468 pseudos live at basic block begin.
6469 * basic_block.h (bb_has_eh_pred): New function.
6471 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6473 PR rtl-optimization/28982
6474 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6475 index of a PRE_MODIFY or POST_MODIFY address.
6476 * reload1.c (inc_for_reload): Use find_replacement on the original
6477 base and index registers.
6479 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6481 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6482 for -Os. Update __m128 alignment requirement.
6484 2006-09-13 Jan Hubicka <jh@suse.cz>
6486 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6488 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6490 PR rtl-optimization/28243
6491 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6492 the insn to which the note was originally attached.
6494 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6495 Roger Sayle <roger@eyesopen.com>
6497 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6498 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6499 on platforms that don't use dwarf for debug info.
6501 2006-09-12 Jason Merrill <jason@redhat.com>
6504 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6505 hard_frame_pointer_rtx after using it to update the frame pointer.
6507 2006-09-12 Roger Sayle <roger@eyesopen.com>
6509 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6510 (TARGET_ASM_CLOSE_PAREN): Likewise.
6511 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6512 (TARGET_ASM_CLOSE_PAREN): Likewise.
6514 2006-09-12 Roger Sayle <roger@eyesopen.com>
6517 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6518 frame information for frames larger than 512 Kbytes on Tru64 when
6519 using the native assembler.
6521 2006-09-12 Roger Sayle <roger@eyesopen.com>
6525 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6526 and symbols. Instead use the implementation from cse.c's hash_rtx.
6528 2006-09-12 Jan Hubicka <jh@suse.cz>
6530 PR rtl-optimization/28071
6531 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6532 (vect_transform_loop): Likewise.
6533 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6534 (new_loop_vec_info): Likewise.
6535 (destroy_loop_vec_info): Likewise.
6536 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6537 (create_stmt_ann): Likewise.
6538 (create_tree_ann): Rename to ...
6539 (create_tree_common_ann): ... this one; allocate only the common part
6541 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6542 (get_value_handle): Likewise.
6543 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6544 get_tree_common_ann.
6545 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6546 (vinfo_for_stmt): Use stmt annotations.
6547 * tree-flow.h (tree_ann_common_t): New type.
6548 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6549 (tree_ann, get_tree_ann, create_tree_ann): New.
6550 * tree-flow-inline.h (get_function_ann): Do more type checking.
6551 (stmt_ann): Likewise.
6552 (tree_ann): Rename to ...
6553 (tree_common_ann): ... this one; return ony common_ann
6554 (get_tree_ann): Rename to ...
6555 (tree_common_ann): This one; return only common_ann.
6556 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6559 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6561 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6562 with_cpu by default.
6564 * dwarf2out.c (dwarf_file_data): New.
6565 (enum dw_val_class): Add dw_val_class_file.
6566 (struct dw_val_struct): Add val_file.
6567 (file_table): Change to a hash table.
6568 (file_table_emitted): Delete.
6569 (file_table_last_lookup_index): Delete.
6570 (emitcount): Delete.
6571 (last_emitted_file): New.
6572 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6573 (init_file_table): Delete.
6574 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6575 (AT_addr): Add comment.
6579 (print_die): Handle dw_val_class_file.
6580 (print_dwarf_line_table): Update for new file table structure.
6581 (attr_checksum): Do checksum a filename.
6582 (same_dw_val_p, same_attr_p): Do compare a filename.
6583 (size_of_die): Handle dw_val_class_file.
6584 (value_format): Likewise.
6585 (output_die): Likewise. Also, call maybe_emit_file here.
6586 (struct file_info): Constify filenames. Make file_idx a pointer
6587 to a struct dwarf_file_data.
6588 (struct dir_info): Constify directory names. Remove 'used' field.
6589 (struct file_name_acquire_data): New.
6590 (file_name_acquire): New.
6591 (output_file_names): Modify to handle new file data structures.
6592 (add_src_coords_attributes): Use add_AT_file.
6593 (add_call_src_coords_attributes): Likewise.
6594 (dwarf2out_imported_module_or_decl): Likewise.
6595 (gen_subprogram_die): Modify for new file data structures.
6596 (gen_variable_die): Likewise.
6597 (file_table_eq): New.
6598 (file_table_hash): New.
6599 (file_table_last_lookup): New.
6600 (lookup_filename): Rewrite to handle new file data structures.
6601 (maybe_emit_file): Rewrite to handle new file data structures.
6602 (dwarf2out_source_line): Always call lookup_filename and
6604 (dwarf2out_init): Create file_table here.
6605 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6606 (file_table_relative_p): New.
6607 (dwarf2out_finish): Change detection of relative filenames
6608 to work with new file data structures. Move output_line_info call
6609 after debug_info output.
6611 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6616 * config/i386/i386.c (override_options): Always default to 16
6617 byte stack boundary.
6619 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6622 * var-tracking.c (dump_dataflow_set): Start dumping at
6624 (clobber_variable_part): Kill only the variable part in
6625 registers holding it, leaving other variables alone.
6627 2006-09-11 Josh Triplett <josh@freedesktop.org>
6629 * doc/extend.texi (Other Builtins): Actually use the macro
6630 argument in the documentation example for
6631 __builtin_types_compatible_p.
6633 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6635 PR rtl-optimization/28726
6636 * sched-deps.c (sched_analyze_reg): New function extracted from...
6637 (sched_analyze_1): ...here. Call it to analyze references to
6638 registers. Treat again writes to a stack register as writing to the
6640 (sched_analyze_2): ...and here. Call it to analyze references to
6641 registers. Treat again reads of a stack register as reading the
6644 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6645 David Edelsohn <edelsohn@gnu.org>
6648 * config/rs6000/spe.md (frob_df_di): Remove %H.
6649 (frob_di_df): Remove %H. Change evmergelo to mr.
6650 (frob_di_df_2): Remove %H. Change evldd to two loads.
6652 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6654 * doc/cpp.texi: Fix names of charset options.
6656 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6659 * config/i386/i386.c (override_options): Use 128-bit
6660 stack boundary always for 64bits.
6662 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6664 PR rtl-optimization/28636
6665 * combine.c (force_to_mode): Test for side-effects before
6666 substituting by zero.
6667 (simplify_shift_const): Likewise for zero or other constants.
6669 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6672 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6675 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6678 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6679 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6680 returned by mode_for_size, rather than the mode of src itself,
6681 to choose between 32-bit and 64-bit patterns.
6682 (mips_mem_fits_mode_p): New function.
6683 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6684 that the size of the source matches the size of the destination.
6685 (mov_<store>l, mov_<store>r): Likewise.
6687 2006-09-10 Eric Christopher <echristo@apple.com>
6689 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6692 2006-09-09 Eric Christopher <echristo@apple.com>
6695 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6698 2006-09-09 Roger Sayle <roger@eyesopen.com>
6699 Nicolas Setton <setton@adacore.com>
6701 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6703 2006-09-10 Andreas Schwab <schwab@suse.de>
6705 * config/m68k/m68k.md (bungt_rev): New pattern.
6707 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6708 Dale Johannesen <dalej@apple.com>
6711 * regclass.c (struct reg_pref): Update documentation.
6712 (regclass): Set prefclass to NO_REGS if memory is the best option.
6713 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6715 2006-09-08 Eric Christopher <echristo@apple.com>
6717 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6718 * config/t-slibgcc-darwin: Support x86_64 multilib.
6719 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6720 Return 1 for x86_64-darwin.
6721 * config/i386/t-darwin: Add m64 multilib.
6722 (LIB2_SIDITI_CONV_FUNCS): Use.
6723 (LIB2FUNCS_EXTRA): Ditto.
6724 * config/i386/darwin.h: Support x86_64.
6725 * config/i386/i386.c (override_options): Turn on flag_pic
6726 for x86_64-darwin. Disable flag_omit_pointer.
6727 (get_pc_thunk_name): Assert !TARGET_64BIT.
6728 (legitimate_address_p): Disable machopic addressing for
6730 (legitimize_pic_address): Ditto.
6731 (ix86_expand_move): Ditto.
6732 (ix86_expand_call): Ditto.
6733 (machopic_output_stub): Ditto.
6734 * config/darwin.c (machopic_select_section): Support literal16.
6735 (machopic_select_rtx_section): Ditto.
6736 * config/darwin-sections.def: Ditto.
6737 * config/darwin-64.c: New.
6739 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6742 * c-tree.h (struct c_arg_info): Add pending_sizes.
6743 * c-parser.c (c_parser_parms_declarator,
6744 c_parser_parms_list_declarator): Initialize pending_sizes.
6745 * c-decl.c (get_parm_info): Initialize pending_sizes.
6746 (get_parm_info): Set pending_sizes.
6747 (grokdeclarator): Call put_pending_sizes for parameters for
6748 function definition only.
6750 2006-09-07 Jason Merrill <jason@redhat.com>
6753 * varasm.c (output_constant): Only strip actual no-op conversions.
6756 * config/i386/i386.c (override_options): Use 128-bit
6757 stack boundary if -msse.
6759 2006-09-07 Eric Christopher <echristo@apple.com>
6761 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6763 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6766 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6768 * dwarf2out.c: Remove strange characters from comment above
6769 dwarf2out_frame_debug_expr.
6771 2006-09-07 Eric Christopher <echristo@apple.com>
6773 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6774 * config/darwin.h: ... to here.
6776 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6778 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6780 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6781 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6783 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6784 TARGET_PARTIAL_FLAG_REG_STALL.
6785 (*ashldi3_cconly_rex64): Likewise.
6786 (*ashlsi3_cmp): Likewise.
6787 (*ashlsi3_cconly): Likewise.
6788 (*ashlsi3_cmp_zext): Likewise.
6789 (*ashlhi3_cmp): Likewise.
6790 (*ashlhi3_cconly): Likewise.
6791 (*ashlqi3_cmp): Likewise.
6792 (*ashlqi3_cconly): Likewise.
6793 (*ashrdi3_cmp_rex64): Likewise.
6794 (*ashrdi3_cconly_rex64): Likewise.
6795 (*ashrsi3_cmp): Likewise.
6796 (*ashrsi3_cconly): Likewise.
6797 (*ashrsi3_cmp_zext): Likewise.
6798 (*ashrhi3_cmp): Likewise.
6799 (*ashrhi3_cconly): Likewise.
6800 (*ashrqi3_cmp): Likewise.
6801 (*ashrqi3_cconly): Likewise.
6802 (*lshrdi3_cmp_rex64): Likewise.
6803 (*lshrdi3_cconly_rex64): Likewise.
6804 (*lshrsi3_cmp): Likewise.
6805 (*lshrsi3_cconly): Likewise.
6806 (*lshrsi3_cmp_zext): Likewise.
6807 (*lshrhi3_cmp): Likewise.
6808 (*lshrhi3_cconly): Likewise.
6809 (*lshrqi2_cmp): Likewise.
6810 (*lshrqi2_cconly): Likewise.
6812 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6815 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6816 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6817 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6818 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6819 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6820 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6821 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6822 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6823 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6824 implement only CC setting effects of shift instructions.
6826 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6828 * doc/contrib.texi: Add myself.
6830 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6833 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6834 was set by the user.
6836 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6839 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6840 (divsi_inv_m1): Use them.
6841 (UNSPEC_DIV_INV_TABLE): New constant.
6843 2006-09-06 James E Wilson <wilson@specifix.com>
6846 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6847 then call count_or_remove_death_notes.
6849 2006-09-06 Jason Merrill <jason@redhat.com>
6852 * tree-inline.c (copy_result_decl_to_var): New fn.
6853 (declare_return_variable): Use it. Call declare_inline_vars here.
6854 (expand_call_inline): Not here.
6856 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6858 * doc/contrib.texi: Update my entry.
6860 2006-09-06 Nick Clifton <nickc@redhat.com>
6862 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6864 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6867 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6868 (canonicalize_induction_variables): Likewise.
6869 (tree_unroll_loops_completely): Likewise.
6870 (tree_ssa_prefetch_arrays): Likewise.
6871 (remove_empty_loops): Likewise.
6872 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6873 TODO_cleanup_cfg instead of directly calling
6874 cleanup_tree_cfg_loop.
6875 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6877 (tree_unroll_loops_completely): Likewise.
6878 (remove_empty_loops): Likewise.
6879 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6880 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6881 of tree_ssa_unswitch_loops.
6882 (tree_ssa_loop_ivcanon): Use the return value of
6883 canonicalize_induction_variables.
6884 (tree_ssa_empty_loop): Use the return value of
6886 (tree_complete_unroll): Use the return value of
6887 tree_unroll_loops_completely.
6888 (tree_ssa_loop_prefetch): Use the return value of
6889 tree_ssa_prefetch_arrays.
6890 * passes.c (execute_todo): Before Cleanup CFG, set
6891 updating_used_alone and after cleanup CFG, call
6892 recalculate_used_alone.
6894 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6897 * tree-vect-transform.c (vectorizable_condition): Move the check
6898 for the type after the check for simple condition.
6900 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6901 Kaz Kojima <kkojima@gcc.gnu.org>
6904 * mode-switching.c (optimize_mode_switching): Make the destination
6905 block of an abnormal edge have no anticipatable mode. Don't
6906 insert mode switching code at the end of the source block of
6909 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6911 PR rtl-optimization/26847
6912 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6913 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6914 (simplify_plus_minus): Count n_constants while filling ops. Replace
6915 qsort with insertion sort. Before going through the array to simplify
6916 pairs, sort it. Delay early exit until after the first sort, exiting
6917 only if no swaps occurred. Simplify pairs in reversed order, without
6918 special-casing the first iteration. Pack ops after simplifying pairs.
6920 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6922 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6923 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6924 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6925 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6927 2006-09-05 Richard Guenther <rguenther@suse.de>
6929 PR tree-optimization/28900
6930 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6931 compound conditional before creating COND_EXPR condition.
6933 2006-09-05 Richard Guenther <rguenther@suse.de>
6935 PR tree-optimization/28905
6936 * tree-vrp.c (fix_equivalence_set): Manually implement
6937 !value_ranges_intersect_p to also handle symbolic ranges.
6939 2006-09-05 Richard Guenther <rguenther@suse.de>
6942 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6945 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6947 PR rtl-optimization/27616
6948 * cse.c (table_size): New static variable.
6949 (new_basic_block): Initialize it to 0.
6950 (remove_from_table): Decrement it.
6951 (insert): Increment it.
6952 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6953 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6954 fold_rtx_mem_1 if under the cap.
6955 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6956 the lookup of the equivalent expression and test for equality of the
6957 first operand of the equivalent expression before in turn looking up
6958 an equivalent constant for the second operand.
6960 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6963 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6964 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6965 pointer, instead of assuming it is possible to derive the
6966 correct args size from a call insn.
6968 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6971 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6972 (fold_builtin_mempcpy): Rename to...
6973 (fold_builtin_memory_op): ... this. Optimize one element copy
6975 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
6977 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
6978 (expand_builtin_memcpy, expand_builtin_mempcpy,
6979 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
6980 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
6981 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
6982 BUILT_IN_MEM{CPY,PCPY,MOVE}.
6984 2006-09-01 DJ Delorie <dj@redhat.com>
6986 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6987 (stzx_16): Likewise.
6988 ("stzx_24_<mode>"): Likewise.
6989 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6990 ("cmp<mode>_op"): New.
6991 (cmp<mode>): Change to expander; just save operands.
6993 (b<code>): Change to expander, emit compare here.
6994 (s<code>_op): Change to use split and expander.
6995 (s<code>_24_op): Likewise.
6996 (s<code>_<mode>): New.
6997 (s<code>_<mode>_24): New.
6998 (movqicc_<code>_<mode): New.
6999 (movhicc_<code>_<mode>): New.
7002 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7003 (m32c_pend_compare): New.
7004 (m32c_unpend_compare): New.
7005 (m32c_expand_scc): New.
7006 (m32c_expand_movcc): Emit the compare also.
7007 * config/m32c/predicates.md (mra_nopp_operand): New.
7009 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7010 Richard Guenther <rguenther@suse.de>
7011 Adam Nemet <anemet@caviumnetworks.com>
7014 * builtins.c (get_pointer_alignment): Handle more forms
7015 of base addresses that can be used to derive more precise
7016 information about alignment.
7018 2006-09-01 Jason Merrill <jason@redhat.com>
7021 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7024 * gimplify.c (voidify_wrapper_expr): Handle null type.
7026 2006-09-01 Josh Conner <jconner@apple.com>
7029 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7030 (execute_return_slot_opt): Use it.
7032 2006-08-31 Josh Conner <jconner@apple.com>
7035 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7036 returning aggregates.
7038 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7040 PR tree-optimization/28839
7041 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7042 blocks in that phi arguments appear.
7044 2006-08-31 Roger Sayle <roger@eyesopen.com>
7047 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7048 NULL, otherwise use an advance_loc4 to adjust relative to the
7050 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7051 (dwarf2out_switch_text_section): Reset the current label to avoid
7052 using advance_loc4 over section boundaries.
7054 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7057 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7058 r12 + SYMBOLIC_CONST.
7060 2006-08-30 Richard Guenther <rguenther@suse.de>
7062 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7064 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7066 PR rtl-optimization/27735
7067 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7068 Add new argument to keep track of whether an irreducible region
7069 was affected. All callers changed.
7070 (fix_irreducible_loops): Removed.
7071 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7072 flags were invalidated.
7074 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7076 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7077 instead of SF operands.
7078 (*fop_df_comm_sse): Likewise.
7079 (*fop_df_comm_i387): Likewise.
7080 (*fop_df_1_mixed): Likewise.
7081 (*fop_df_1_sse): Likewise.
7083 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7084 J"orn Rennecke <joern.rennecke@st.com>
7086 PR tree-optimization/17506
7087 * tree-ssa.c (warn_uninit): If warning about a location outside of
7088 the current function, note where the variable was declared.
7090 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7092 PR tree-optimization/28411
7093 * double-int.c (double_int_div): Use double_int_divmod.
7094 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7095 double_int_mod, double_int_smod, double_int_umod): New functions.
7096 * double-int.h (double_int_divmod, double_int_sdivmod,
7097 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7099 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7101 (get_computation_aff, get_computation_cost_at): Handle double_int
7102 return type of constant_multiple_of.
7104 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7107 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7108 an implicit conversion.
7110 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7112 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7114 2006-08-27 Roger Sayle <roger@eyesopen.com>
7116 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7119 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7121 * config/i386/crtfastmath.c: Fix a comment typo.
7123 2006-08-26 Roger Sayle <roger@eyesopen.com>
7125 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7126 temporary visit flags on CASE_LABEL_EXPRs.
7127 * c-common.c (match_case_to_enum): Add function comment. Avoid
7128 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7129 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7130 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7131 a constant, only warn if that constant value isn't handled.
7133 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7136 * input.h (restore_input_file_stack): Declare.
7137 (INPUT_FILE_STACK_BITS): Define.
7138 * toplev.c (fs_p, input_file_stack_history,
7139 input_file_stack_restored, restore_input_file_stack): New.
7140 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7141 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7142 (pop_srcloc): Don't free old state of stack.
7144 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7147 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7148 (PowerPC Type Attributes): New.
7150 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7152 * config/xtensa/xtensa.c (function_arg_boundary): New.
7153 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7155 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7156 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7158 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7161 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7164 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7166 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7167 (verify_local_live_at_start): Likewise.
7169 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7172 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7173 omp_add_variable): Treat sizes as variable whenever not
7176 2006-08-26 Richard Guenther <rguenther@suse.de>
7179 * fold-const.c (fold_binary): Fold temporary to correct
7180 type before constructing new comparison.
7182 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7185 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7186 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7188 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7191 * c-decl.c (start_function): Don't try to process prototype
7192 information from old declaration that isn't a function.
7194 2006-08-25 Jan Hubicka <jh@suse.cz>
7197 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7199 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7202 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7205 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7207 PR tree-optimization/16876
7208 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7209 exit if PARM doesn't match VALUE.
7211 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7213 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7214 literal_prefix directive.
7215 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7216 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7217 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7219 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7222 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7223 predicate to general_operand. Add 0->y and I->r alternatives.
7225 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7227 * doc/tm.texi: Fix a typo.
7228 * predict.c: Fix comment typos.
7230 2006-08-25 Nick Clifton <nickc@redhat.com>
7232 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7233 assertions of "cpu" and "machine".
7235 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7238 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7239 the access through a base which has an alias set of 0 cannot
7242 2006-08-24 Bill Wendling <wendling@apple.com>
7244 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7246 2006-08-24 Jan Hubicka <jh@suse.cz>
7248 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7250 2006-08-24 Jan Hubicka <jh@suse.cz>
7253 * cgraph.c: Fix comments.
7254 (cgraph_varpool_mark_needed_node): Mark only variables not already
7256 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7257 (cgraph_varpool_assembled_nodes_queue): New static variable.
7258 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7259 (cgraph_varpool_output_debug_info): New function.
7260 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7261 * Makefile.in: Add gt-cgraphunit.h
7263 2006-08-24 Jan Hubicka <jh@suse.cz>
7265 * predict.c (probability_reliable_p): New predicate.
7266 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7267 (predict_loops): Do not predict loop exit with less than 2%
7269 * basic-block.h (edge_probability_reliable_p,
7270 br_prob_note_reliable_p): Declare.
7271 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7272 prediction when static predictor is not reliable.
7273 * rs6000.c (output_cbranch): Likewise.
7275 2006-08-23 Stuart Hastings <stuart@apple.com>
7278 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7279 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7281 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7284 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7285 complex values, nor for generic vector values.
7287 2006-08-22 Richard Guenther <rguenther@suse.de>
7290 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7291 parameter. Convert arguments to arithmetic expression to the
7293 (analyze_scalar_evolution_1): Adjust caller.
7295 2006-08-22 Jan Hubicka <jh@suse.cz>
7297 Patch by Paolo Bonzini
7298 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7301 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7303 PR tree-optimization/28003
7304 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7305 before grouping aliases.
7307 2006-08-22 Roger Sayle <roger@eyesopen.com>
7309 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7310 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7312 2006-08-21 Jason Merrill <jason@redhat.com>
7315 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7316 wrapper. Loop to handle nested wrappers.
7317 (gimplify_bind_expr): Remove temp parameter.
7318 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7319 and STATEMENT_LIST on the rhs.
7320 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7321 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7322 (gimplify_target_expr): Remove special BIND_EXPR handling.
7324 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7326 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7329 2006-08-21 Olivier Hainque <hainque@adacore.com>
7331 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7332 Arrange for the temporary captures of components overlapping the lhs
7333 to happen before the lhs is possibly cleared.
7335 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7337 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7338 necessary places to pass the correct "number of registers" values
7341 2006-08-20 Jan Hubicka <jh@suse.cz>
7343 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7344 (create_name_tags): Instead of quadratic checking use hashtable.
7345 * bitmap.h: Include hashtab.h.
7346 (bitmap_hash): Declare.
7347 * bitmap.c (bitmap_hash): New function.
7349 2006-08-20 Jan Hubicka <jh@suse.cz>
7351 PR rtl-optimization/28071
7352 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7354 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7355 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7356 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7357 cgraph_decide_inlining_incrementally): Update use of
7358 cgraph_check_inline_limits.
7359 * cgraph.c (edge_hash, edge_eq): New function.
7360 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7361 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7362 cgraph_remove_node): Maintain call site hash.
7363 * cgraph.h (struct cgraph_node): Add call_site_hash.
7364 (cgraph_set_call_stmt): New function.
7366 2006-08-20 Jan Hubicka <jh@suse.cz>
7368 PR rtl-optimization/28071
7369 * reload1.c (reg_has_output_reload): Turn into regset.
7370 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7371 choose_reload_regs, emit_reload_insns): Update to new
7372 reg_has_output_reload.
7374 2006-08-20 Jan Hubicka <jh@suse.cz>
7377 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7378 function body sizes.
7379 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7381 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7384 * tree.c (handle_dll_attribute): Return early if not a
7385 var or function decl.
7387 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7390 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7391 alignment of SPE vector types.
7393 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7395 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7397 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7400 * cgraph.h (struct cgraph_node): Remove externally_visible
7402 * cgraphunit.c (process_function_and_variable_attributes): Set
7403 local.externally_visible rather than externally_visible.
7406 * c-common.c (handle_externally_visible_attribute): First look
7407 at TREE_CODE and only if it is function or var decl, check for
7408 non-public objects. Don't warn for DECL_EXTERNAL.
7409 * cgraphunit.c (process_function_and_variable_attributes): Warn
7410 if externally_visible attribute is used on non-public object.
7412 2006-08-17 Jan Hubicka <jh@suse.cz>
7414 PR tree-optimization/27865
7415 * reload1.c (forget_marked_reloads): New function.
7416 (forget_old_reloads_1): When data are passed, just mark the registers
7418 (reload_as_needed): Use the new mechanizm.
7420 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7423 * reload.h (reg_equiv_alt_mem_list): New declaration.
7424 * reload1.c (reg_equiv_alt_mem_list): New definition.
7425 (reload): Initialize it and release it.
7426 (delete_output_reload): Use it.
7427 * reload.c (push_reg_equiv_alt_mem): New function.
7428 (find_reloads_toplev): Call it.
7429 (find_reloads_address, find_reloads_address_1): Likewise.
7430 (find_reloads_subreg_address): Likewise.
7432 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7434 PR rtl-optimization/28489
7435 * sched-ebb.c (begin_schedule_ready): Create basic block
7437 (advance_target_bb): Skip empty blocks.
7438 * haifa-sched.c (bb_note): Make global.
7439 * sched-int.h (bb_note): Add prototype.
7441 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7443 PR tree-optimization/27865
7444 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7446 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7447 fold_used_pointer, pointer_used_p): New functions.
7448 (analyze_scalar_evolution_1): Use fold_used_pointer.
7449 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7450 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7453 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7456 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7457 or the INTEGER_CST. Fail on a CALL_EXPR.
7458 (fold_offsetof): Pass new argument to fold_offsetof_1.
7459 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7460 operand into an INDIRECT_REF.
7461 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7463 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7465 PR gcov/profile/26570
7466 * value-prof.c (static_values): Removed.
7467 (tree_find_values_to_profile): Do not set static_values.
7468 (find_values_to_profile): Do not free static_values.
7469 * profile.c (instrument_values): Do not free the values.
7470 (branch_prob): Free the values.
7472 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7474 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7476 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7479 * c-typeck.c (build_component_ref): Combine qualifiers of
7480 structure or union and field.
7482 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7484 PR rtl-optimization/28071
7485 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7486 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7487 * tree-into-ssa.c (struct dom_dfsnum): New.
7488 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7490 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7491 compute_global_livein.
7492 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7493 in phi nodes in the correct blocks.
7495 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7497 PR tree-optimization/28364
7498 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7500 (fold_affine_expr): New function.
7501 (may_eliminate_iv): Use fold_affine_expr.
7503 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7506 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7509 2006-08-16 Mike Stump <mrs@apple.com>
7511 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7512 * doc/cppopts.texi (-MD): Likewise.
7514 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7517 * c-common.c (handle_weak_attribute): Ignore and warn if
7518 not a FUNCTION_ or VAR_DECL.
7520 2006-07-15 Mike Stump <mrs@apple.com>
7523 * c-parser.c (c_parser_typeof_specifier): Don't use
7524 c_finish_expr_stmt, open code desired semantics instead.
7526 2006-08-15 Nick Clifton <nickc@redhat.com>
7528 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7529 fragment to tmake_file only if threads are enabled.
7530 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7531 * config/i386/t-gthr-win32: New file. ... here.
7533 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7536 * c-parser.c (c_parser_compound_statement_nostart): Reset
7537 parser->error after each statement.
7539 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7542 * omp-low.c (lower_omp_parallel): Convert t to
7543 receiver_decl's type.
7544 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7545 source before comparison.
7548 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7549 to itype in assignment to oldival2.
7551 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7555 * c-typeck.c (build_compound_expr): If the second expression
7556 is an error mark, then just return an error mark instead of
7557 creating a COMPOUND_EXPR.
7559 2006-07-14 Mike Stump <mrs@apple.com>
7561 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7563 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7565 * c-decl.c, var-tracking.c: Fix comment typos.
7567 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7569 PR rtl-optimization/28634
7570 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7571 for floating-point modes unless flag_unsafe_math_optimizations.
7573 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7574 Andrew Pinski <pinskia@physics.uc.edu>
7577 * tree.c (build_array_type): Unify array types with
7578 unspecified index_type.
7579 * c-decl.c (grokdeclarator): Make sure we do not modify a
7580 unified incomplete array type.
7581 * c-typeck.c (store_init_value): Create distinct type before
7582 filling in the index type in an initializer from a compound
7585 * c-decl.c (grokdeclarator): Remove code where we copy the
7588 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7590 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7591 into account for TODO_dump_cgraph.
7592 (TODO_update_ssa_no_phi): Likewise.
7593 (TODO_update_ssa_full_phi): Likewise.
7594 (TODO_update_ssa_only_virtuals): Likewise.
7595 (TODO_remove_unused_locals): Likewise.
7596 (TODO_set_props): Likewise.
7597 (TODO_update_stmt_usage): Likewise.
7599 2006-08-13 Dirk Mueller <dmueller@suse.de>
7601 * c-common.c (strict_aliasing_warning): Fix formatting.
7603 2006-08-13 Matthias Klose <doko@debian.org>
7605 * doc/invoke.texi: Fix spelling errors.
7607 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7609 PR rtl-optimization/23454
7610 * reorg.c (relax_delay_slots): Update comment.
7612 2006-08-11 Richard Guenther <rguenther@suse.de>
7615 * simplify-rtx.c (simplify_const_relational_operation):
7616 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7619 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7621 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7622 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7624 2006-08-10 Paul Brook <paul@codesourcery.com>
7626 * final.c (final_scan_insn): Clear current_insn_predicate before
7627 outputting inline asm.
7629 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7631 PR tree-optimization/26197
7632 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7633 get_ref_base_and_extent and overlap_subvar to add only relevant
7634 subvars as may-aliases.
7635 (add_may_alias_for_new_tag): New function, factored out of
7637 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7638 with additional argument.
7639 * tree-flow.h (new_type_alias): Takes additional argument.
7641 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7643 * gcov.c (no_data_file): New flag.
7644 (read_count_file): Set it if data file not present. Assume counts
7646 (output_lines): Don't name the data file, if there wasn't one.
7648 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7650 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7651 (rs6000_generate_compare): Tweak comments.
7652 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7654 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7656 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7657 (var_debug_decl): New function.
7658 (var_reg_set): Follow debug decl link. Add location even if
7659 reg is already known to hold some other variable.
7660 (var_mem_set): Follow debug decl link.
7661 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7662 decl link. Delete other known locations of the variable part
7664 (var_reg_delete, var_mem_delete): Delete other known locations
7665 of the variable part if requested.
7666 (same_variable_part_p): New function.
7667 (add_stores): Select MO_COPY when appropriate.
7668 (vt_initialize): Handle it.
7669 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7670 known locations for MO_SET and MO_CLOBBER.
7671 (find_variable_location_part): New function.
7672 (set_variable_part, delete_variable_part): Use it.
7673 (clobber_variable_part): New function.
7674 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7677 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7679 PR tree-optimization/26969
7680 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7681 with an empty list of PHIs.
7683 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7687 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7690 2006-08-06 Andreas Schwab <schwab@suse.de>
7692 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7693 string. Whitespace and comment fixup.
7695 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7698 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7702 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7705 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7707 2006-08-04 Jan Hubicka <jh@suse.cz>
7711 * reload.c (push_reload): Patch out the mismatching instruction;
7713 (find_reload): Bail out if the instruction was patched out.
7715 2006-08-04 Jan Hubicka <jh@suse.cz>
7717 PR tree-optimization/24888
7718 * tree-inline.c (expand_call_inline): Do not re-record variables.
7719 (declare_inline_vars): Add variable to unexpanded_var_list.
7721 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7722 Roger Sayle <roger@eyesopen.com>
7724 PR rtl-optimization/26244
7725 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7726 inner_const are negative or greater than or equal to the bitsize of
7727 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7728 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7729 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7730 CONST0_RTX (mode) when the new shift count is greater than or equal to
7731 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7734 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7736 * tree-cfg.c: Fix a comment typo.
7738 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7741 * varasm.c (output_constant): Give the front end another chance to
7742 expand constants, after stripping NOPs.
7744 2006-08-03 Jan Hubicka <jh@suse.cz>
7746 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7749 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7751 PR tree-optimization/27770
7752 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7753 declaration removed (moved to tree-flow.h).
7754 (vect_can_force_dr_alignment_p): Likewise.
7755 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7756 (moved from tree-vectorizer.h).
7757 (vect_can_force_dr_alignment_p): Likewise.
7758 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7759 from outside the vectorizer - in particular from cgraph stage.
7760 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7761 the alignment of global arrays when -fsection-anchors is enabled.
7762 * cgraphunit.c (cgraph_increase_alignment): New function.
7763 (cgraph_optimize): Call cgraph_increase_alignment.
7765 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7768 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7769 not reload a SPE symbol_ref into a lo_sum address.
7771 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7774 * dwarf2out.c (prune_unused_types_prune): Move call to
7775 prune_unused_types_update_strings to cover the parent DIE also.
7777 2006-08-02 Jan Hubicka <jh@suse.cz>
7779 PR gcov/profile/28480
7780 * tree-cfg.c (change_bb_for_stmt): New function.
7781 (tree_merge_blocks, tree_split_blocks): Use it.
7783 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7789 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7790 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7791 (cgraph_optimize): Likewise.
7793 2006-08-01 Stuart Hastings <stuart@apple.com>
7795 * rtl.h (UINTVAL) New.
7796 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7797 * testsuite/gcc.dg/20060801-1.c: New.
7799 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7802 * c-typeck.c (build_external_type): Mark used enum types.
7803 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7805 (gen_subprogram_die): Whitespace fix.
7807 2006-08-01 Jan Hubicka <jh@suse.cz>
7809 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7810 bitmap when not needed.
7811 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7814 2006-08-01 Dirk Mueller <dmueller@suse.de>
7816 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7818 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7820 * Makefile.in: Revert part of previous patch:
7821 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7824 2006-07-30 Eric Christopher <echristo@apple.com>
7827 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7828 (PowerPC Variable Attributes): New section.
7830 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7832 PR target/28126 (partial fix)
7833 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7835 2006-07-28 Jan Hubicka <jh@suse.cz>
7837 PR rtl-optimization/28071
7838 * cfgrtl.c (rtl_delete_block): Free regsets.
7839 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7841 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7843 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7844 and variables used in dependencies.
7846 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7848 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7849 %fs for -mcmodel=kernel.
7850 (stack_tls_protect_test_di): Likewise.
7852 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7854 * Makefile.in: Use mkinstalldirs.
7856 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7859 * opts-common.c (prune_options): Skip joined switches.
7861 2006-07-27 Jan Hubicka <jh@suse.cz>
7863 PR rtl-optimization/28071
7864 * cselib.c (cselib_process_insn): Don't remove useless values too
7865 often for very large hashtables.
7867 2006-07-27 Jan Hubicka <jh@suse.cz>
7869 PR rtl-optimization/28071
7870 * global.c (greg_obstack): New obstack.
7871 (allocate_bb_info): Use it.
7872 (free_bb_info): Likewise.
7873 (modify_reg_pav): Likewise.
7875 2006-07-27 Roger Sayle <roger@eyesopen.com>
7877 * builtins.c (fold_fixed_mathfn): When long and long long are the
7878 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7879 functions to their lceil*, lfloor*, lround* and lrint* forms.
7881 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7884 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7886 (rev_branch_insn): Likewise.
7888 2006-07-27 Jan Hubicka <jh@suse.cz>
7890 PR rtl-optimization/28071
7891 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7892 (reg_set_in_bb, max_reg_computed): New static variables.
7893 (regmove_optimize): Free the new array.
7894 (fixup_match_1): Update call of reg_is_remote_constant_p.
7896 2006-07-26 Jan Hubicka <jh@suse.cz>
7898 PR tree-optimization/27882
7899 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7901 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7903 (cgraph_analyze_compilation_unit): Likewise.
7904 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7905 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7906 (cgraph_early_inlinine): Make order garbage collected.
7907 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7909 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7911 * dbxout.c (output_types_sort): Add a comment.
7912 (output_used_types): Free the VEC.
7914 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7916 * function.c (reorder_fix_fragments): Delete.
7917 (reorder_blocks): Don't call it.
7918 (reorder_blocks_1): Put all subblocks under the origin block.
7920 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7922 PR rtl-optimization/27907
7923 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7926 2006-07-25 Roger Sayle <roger@eyesopen.com>
7929 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7930 bar(x) check that bar's result type can represent all the values of T.
7932 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7934 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7936 2006-07-25 Nick Clifton <nickc@redhat.com>
7938 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7939 size_lookup[] array.
7940 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7941 (ggc_pch_count_object): Likewise.
7942 (ggc_pch_alloc_object): Likewise.
7943 (ggc_pch_write_object): Likewise.
7944 (init_ggc): Do not attempt to initialize entries in the
7945 size_lookup[] array for objects whose size is greater than than
7946 the length of the array.
7948 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7950 * dbxout.c (output_used_types_helper): Push queued types
7952 (output_types_sort): New.
7953 (output_used_types): Collect used types on a VEC and sort them
7956 2006-07-24 Richard Guenther <rguenther@suse.de>
7959 * cgraph.c (cgraph_remove_node): Do not check if dumps
7961 * cgraphunit.c (cgraph_optimize): Likewise.
7963 2006-07-24 Jan Hubicka <jh@suse.cz>
7965 PR rtl-optimization/28071
7966 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7967 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7968 splitting before first stmt.
7970 2006-07-24 Jan Hubicka <jh@suse.cz>
7972 PR rtl-optimization/28071
7973 * ipa-inline.c (update_caller_keys): Remove edges that
7974 are no longer inline candidates.
7976 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
7979 * dbxout.c (output_used_types_helper, output_used_types): New.
7980 (dbxout_symbol): Call output_used_types.
7982 2006-07-23 Jan Hubicka <jh@suse.cz>
7986 * cgraph.c (cgraph_varpool_nodes): Export.
7987 (decide_is_variable_needed): Ignored "used" attribute in
7988 unit-at-a-time mode.
7989 * cgraph.h (cgraph_varpool_nodes): Declare.
7990 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7991 unit-at-a-time mode.
7993 2006-07-23 Roger Sayle <roger@eyesopen.com>
7996 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7997 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7998 the __gthrw form of thr_keycreate.
7999 (__gthread_key_delete): Silence the unused argument warning.
8001 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8004 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8005 Cache the last found '\0' marker to avoid quadratic behavior.
8007 2006-07-23 Jan Hubicka <jh@suse.cz>
8009 * i386.md (subsi_3_zext): Fix output template.
8011 2006-07-21 Mike Stump <mrs@apple.com>
8013 * doc/invoke.texi (C++ Dialect Options): Note that
8014 -fvisibility-inlines-hidden doesn't affect explicitly
8015 instantiationed inline methods.
8017 2006-07-20 Roger Sayle <roger@eyesopen.com>
8019 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8020 if the target assembler is GNU binutils' gas.
8021 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8022 whether to pass GNU gas or native as command line options.
8024 2006-07-20 Jason Merrill <jason@redhat.com>
8026 * tree.c (remove_attribute): New fn.
8027 * tree.h: Declare it.
8029 2006-07-20 Paul Brook <paul@codesourcery.com>
8032 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8033 they are invalidated by this instruction.
8035 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8038 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8040 2006-07-20 Eric Christopher <echristo@apple.com>
8043 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8045 2006-07-19 Eric Christopher <echristo@apple.com>
8047 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8048 Rewrite dependencies for libgcc_s.1.dylib.
8050 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8052 * except.c (duplicate_eh_regions_1): Clear next_peer.
8054 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8056 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8057 -mlongcall does not guarantee all calls will be long.
8058 * doc/extend.texi (long_call/short_call): Document that longcall
8059 does not guarantee a long call will be used.
8060 (longcall/shortcall): Likewise.
8062 2006-07-18 Roger Sayle <roger@eyesopen.com>
8065 * expmed.c (expand_shift): Additionally check that the shift_cost
8066 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8067 before implementing a LSHIFT_EXPR as a sequence of additions.
8068 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8069 middle-end that DImode shifts need to be synthesized by expand.
8071 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8074 * tree-ssa-operands.c (access_can_touch_variable): Update
8076 Return true if ALIAS is .GLOBAL_VAR.
8078 2006-07-18 David Daney <ddaney@avtrex.com>
8080 * gcc.c (display_help): Fix typo in help text.
8082 2006-07-18 Olivier Hainque <hainque@adacore.com>
8084 * tree.h (categorize_ctor_elements): Adjust prototype and add
8085 descriptive comment, both in accordance with the interface change
8087 * varasm.c (constructor_static_from_elts_p): New function.
8088 Whether a constructor node is a valid static constant initializer
8089 if all its elements are.
8090 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8091 * output.h: Declare it.
8092 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8093 is a valid constant initializer instead of computing the number of
8094 non-constant elements. Use constructor_static_from_elts_p for this
8095 purpose. Replace the head comment with an indication that this is a
8096 helper for categorize_ctor_elements.
8097 (categorize_ctor_elements): Same interface change as for the _1
8098 helper. Former head comment from this helper moved here, adjusted to
8099 account for the interface changes.
8100 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8101 (all_zeros_p): Likewise.
8102 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8103 static versions of the constructor from the categorize_ctor_elements
8104 return value instead of the formerly computed number of non-constant
8107 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8109 * configure: Regenerate.
8110 * Makefile.in (build_libsubdir): New configure substitution
8111 (build_libobjdir): New variable.
8112 (BUILD_LIBIBERTY): Use it.
8114 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8117 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8119 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8122 * c-common.c (handle_weakref_attribute): Ignore attribute in
8123 the same conditions the alias attribute is ignored.
8125 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8127 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8128 (dbxout_begin_prologue): Increment scope_labelno.
8130 2006-07-17 Richard Henderson <rth@redhat.com>
8133 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8136 2006-07-17 Roger Sayle <roger@eyesopen.com>
8137 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8139 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8140 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8141 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8142 functions such as sbrk, write, etc.. Add function prototypes.
8143 Convert function declarations from K&R to ISO C. Cast pointers
8144 to "long" and "unsigned long" instead of "int" and "unsigned int".
8145 Convert tokens following #endif into comments.
8147 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8149 * invoke.texi: Remove mention of f77; Reformat table for
8150 inline parameter options correctly; mention that -malign-double
8151 is default on x86-64 targets.
8153 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8155 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8156 (convert_affine_scev, chrec_convert_aggressive): Use
8157 avoid_arithmetics_in_type_p. Do not check for the subtypes
8160 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8163 * optabs.c (expand_doubleword_shift): Wrap the call to
8164 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8166 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8169 * optabs.c (expand_binop): Pass next_methods rather than methods
8170 to expand_doubleword_shift.
8172 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8175 * tree.h (dump_addr): Declare.
8176 * print-tree.c (dump_addr): New function.
8177 (print_node_brief, print_node): Use it.
8178 * print-rtl.c (print_rtx): Likewise.
8179 * common.opt (-fdump-noaddr): New option.
8180 * doc/invoke.texi (-fdump-noaddr): Document.
8181 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8182 (ve_info_hash): Likewise.
8184 2006-07-13 Andrew Haley <aph@redhat.com>
8186 PR tree-optimization/19505
8187 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8188 edge leaving this block, make sure that the destination of this
8189 block has only one predecessor.
8191 2006-07-17 Richard Guenther <rguenther@suse.de>
8193 PR tree-optimization/28238
8194 * tree-inline.c (copy_bb): Check if we produced valid
8195 gimple copying and substituting a stmt. If not, gimplify
8198 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8200 * optabs.c (maybe_encapsulate_block): New function extracted from...
8201 (emit_libcall_block): ...here. Invoke it on the block of insns to
8202 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8203 (emit_no_conflict_block): Likewise.
8205 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8207 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8209 2006-07-15 Roger Sayle <roger@eyesopen.com>
8211 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8212 a new NOP_EXPR case of the switch statement.
8214 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8217 * stor-layout.c (place_field): Take the bit field with
8218 an excessive size into account in the ms-bitfiled case.
8221 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8222 the previous bit field.
8224 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8227 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8229 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8231 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8232 signal frames correctly even when the signal was installed with
8235 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8237 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8238 (dbxout_function_end): Use local label LFBB. Remove hook
8240 (dbxout_source_line): Use local label LFBB.
8241 (dbxout_block): Likewise.
8242 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8243 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8244 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8245 and DBX_OUTPUT_NFUN.
8247 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8249 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8251 2006-07-13 Jan Hubicka <jh@suse.cz>
8253 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8255 * output.h (align_variable): Declare.
8256 * varasm.c (align_variable): Export.
8257 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8258 when basic block changed.
8260 2006-07-13 Nick Clifton <nickc@redhat.com>
8262 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8263 walking the LOG_LINKS chain.
8265 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8267 * doc/invoke.texi (C++ Dialect Options): Explain difference
8268 between -fvisibility-inlines-hidden and setting hidden
8269 visibility explicitly.
8271 2006-07-12 Eric Christopher <echristo@apple.com>
8273 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8274 (stmp-lipo): Depend on libgcc.a.
8276 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8278 * tree.c: Fix a comment typo.
8280 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8282 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8284 (umulhisi3_r): Likewise.
8286 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8289 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8290 x < 19, vs wchar_t support.
8292 2006-07-12 Nick Clifton <nickc@redhat.com>
8294 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8295 instead of -isa=sh4.
8297 2006-07-12 Mike Stump <mrs@apple.com>
8299 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8301 2006-07-10 Eric Christopher <echristo@apple.com>
8303 * config/t-slibgcc-darwin: Rewrite.
8305 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8308 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8311 2006-07-08 Matthias Klose <doko@debian.org>
8313 * doc/sourcebuild.texi: Fix typo.
8315 2006-07-07 Mike Stump <mrs@apple.com>
8317 * toplev.c (process_options): Don't give -ffunction-sections may
8318 affect debugging warning for Mach-O.
8320 2006-07-07 James E Wilson <wilson@specifix.com>
8322 * config/mips/mips.md (cpu): Add sb1a.
8323 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8324 addition to sb1. Adjust comments to clarify SB-1A differences from
8326 (ir_sb1a_load): New. Modify bypasses to use it.
8327 (ir_sb1a_simple_alu): Likewise.
8328 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8329 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8330 (mips_issue_rate): Add PROCESSOR_SB1A.
8331 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8332 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8333 (TARGET_SB1): Add PROCESSOR_SB1A check.
8334 (TUNE_SB1): Likewise.
8336 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8337 * config/mips/mips.c (mips_store_data_bypass_p): New.
8338 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8339 store_data_bypass_p.
8341 2006-07-08 Paul Brook <paul@codesourcery.com>
8344 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8346 2006-07-07 Richard Guenther <rguenther@suse.de>
8349 * tree.h (build_one_cst): Declare.
8350 * tree.c (build_one_cst): New function.
8351 * tree-ssa-math-opts.c (get_constant_one): Remove.
8352 (insert_reciprocals): Use build_one_cst.
8353 * fold-const.c (fold_plusminus_mult): Likewise.
8355 2006-07-07 Roger Sayle <roger@eyesopen.com>
8357 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8358 * cfgloopanal.c (dump_graph): Likewise.
8359 * dojump.c (discard_pending_stack_adjust): Likewise.
8360 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8362 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8363 * function.c (finalize_block_changes): Likewise.
8364 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8365 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8366 * rtl.c (dump_rtx_statistics): Likewise.
8367 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8369 * varray.c (dump_varray_statistics): Likewise.
8370 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8371 decode_decimal64, encode_decimal128, decode_decimal128,
8372 decimal_real_to_decimal): Likewise.
8374 2006-07-07 Richard Guenther <rguenther@suse.de>
8376 PR tree-optimization/28187
8377 * tree-vrp.c (vrp_operand_equal_p): New function.
8378 (vrp_bitmap_equal_p): Likewise.
8379 (update_value_range): Use them to compare old and new
8382 2006-07-06 Roger Sayle <roger@eyesopen.com>
8384 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8385 a default case to switch statement to silence compiler warnings.
8387 2006-07-06 Roger Sayle <roger@eyesopen.com>
8390 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8391 the configured assembler supports the x87's ffreep mnemonic.
8392 * configure: Regenerate.
8393 * config.in: Regenerate.
8395 * config/i386/i386.c (output_387_ffreep): New function.
8396 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8397 (output_387_reg_move): Likewise.
8399 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8401 Port to hosts whose 'sort' and 'tail' implementations
8402 treat operands with leading '+' as file names, as POSIX
8403 has required since 2001. However, make sure the code still
8404 works on pre-POSIX hosts.
8405 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8406 which says you should use "tail -c +N" rather than "tail +Nc".
8407 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8409 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8411 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8414 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8417 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8418 PRE_{INC,DEC} of TFmode.
8420 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8421 Alan Modra <amodra@bigpond.net.au>
8424 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8427 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8430 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8431 Remove duplicate gtu.
8433 2006-07-05 Jason Merrill <jason@redhat.com>
8437 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8438 * c-common.c (handle_packed_attribute): So don't copy it here.
8439 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8441 2006-07-05 Mike Stump <mrs@apple.com>
8443 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8445 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8448 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8450 2006-07-05 Richard Guenther <rguenther@suse.de>
8453 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8454 TARGET_SSE2 targets if using SSE math.
8455 (*absdf2_1): Likewise.
8457 2006-07-05 Richard Guenther <rguenther@suse.de>
8459 PR tree-optimization/28162
8460 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8461 make sure to convert the operands to the correct type.
8463 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8465 PR tree-optimization/28218
8467 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8468 to calculate and free the dominator information.
8470 2006-07-04 Peter O'Gorman <peter@pogma.com>
8472 * mklibgcc.in: chmod 644 before ranlib during install.
8474 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8475 J"orn Rennecke <joern.rennecke@st.com>
8477 * configure.ac (.eh_frame data check): Use diff -b.
8479 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8482 * Makefile.in (BUILD_RTL): Add build/vec.o.
8483 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8484 (build/genextract): Delete.
8485 (build/genautomata): Likewise.
8487 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8490 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8491 128-bit IBM long doubles for ABI_V4.
8493 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8495 * tree.c (range_in_array_bounds_p): New predicate.
8496 * tree.h (range_in_array_bounds_p): Declare it.
8497 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8498 return a less conservative answer.
8499 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8500 and flag 'is_group'.
8501 (IS_ELEMENT_FOR_GROUP): New macro.
8502 (FOR_EACH_ACTUAL_CHILD): Likewise.
8503 (next_child_for_group): New helper function.
8504 (can_completely_scalarize_p): Take into account groups.
8505 (sra_hash_tree): Handle RANGE_EXPR.
8506 (sra_elt_eq): Likewise.
8507 (lookup_element): Be prepared for handling groups.
8508 (is_valid_const_index): Delete.
8509 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8510 instead of is_valid_const_index.
8511 <ARRAY_RANGE_REF>: New case.
8512 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8513 is_valid_const_index.
8514 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8515 (scan_dump): Dump info for groups too.
8516 (decide_instantiation_1): Likewise.
8517 (decide_block_copy): Assert that the element is not a group.
8518 Propagate decision to groups.
8519 (generate_one_element_ref): Handle RANGE_EXPR.
8520 (mark_no_warning): Iterate over actual childs.
8521 (generate_copy_inout): Likewise.
8522 (generate_element_copy): Likewise.
8523 (generate_element_zero): Likewise.
8524 (generate_element_init_1): Likewise.
8525 (dump_sra_elt_name): Handle RANGE_EXPR.
8527 2006-07-03 Roger Sayle <roger@eyesopen.com>
8529 PR tree-optimization/26251
8530 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8531 (thread_block): When optimizing for size refuse to thread jumps
8532 that would require duplication of blocks other than redirection
8535 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8537 * configure.ac: Fix thinko in previous check-in.
8538 * configure: Regenerate.
8540 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8543 * configure.ac (for lang...): Simplify nesting of conditionals.
8544 Test subdir_requires for non-enabled languages. Move processing
8545 of lang_opt_files and lang_tree_fiels below that test.
8546 * configure: Regenerate.
8547 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8549 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8551 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8553 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8555 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8558 2006-06-29 Jason Merrill <jason@redhat.com>
8565 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8566 * c-common.c (c_determine_visibility): Handle it here.
8567 * c-decl.c (finish_decl): Call c_determine_visibility for
8569 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8571 * varasm.c (default_assemble_visibility): Likewise.
8572 * c-common.c (handle_visibility_attribute): Complain about trying
8573 to give visibility to an already defined class, or trying to change
8574 declared visibility. Always attach the attribute.
8579 * attribs.c (decl_attributes): Ignore type-in-place attributes
8580 once the type has been defined.
8582 2006-06-29 Roger Sayle <roger@eyesopen.com>
8585 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8586 to indicate the cpplib has issued an error message for us.
8588 2006-06-29 Asher Langton <langton2@llnl.gov>
8591 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8592 insert a label at the end of an function under Mach-O.
8594 2006-06-29 Eric Christopher <echristo@apple.com>
8595 Evan Cheng <evan.cheng@apple.com>
8597 * predicates.md (vector_all_ones_operand): New.
8598 (nonimmediate_or_sse_const_operand): Ditto.
8599 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8600 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8601 (standard_sse_mode_p): Ditto.
8602 (standard_sse_constant_p): Add case for -1 vector.
8603 (ix86_expand_vector_move): Try to use.
8604 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8605 Call standard_sse_constant_opcode.
8606 (*movv4sf_internal): Ditto.
8607 (*movv2df_internal): Ditto.
8609 2006-06-29 Roger Sayle <roger@eyesopen.com>
8611 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8612 of XEXP to extract the operands of a MATCH_CODE rtx.
8614 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8616 * tree.c (tree_size): Do not waste tail padding in
8617 struct tree_string and make the size be the same as
8618 build_string will generate.
8620 2006-06-28 Jason Merrill <jason@redhat.com>
8623 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8624 may_aliases already in the tag's annotations to the bitmap.
8626 2006-06-28 Roger Sayle <roger@eyesopen.com>
8628 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8630 2006-06-28 Roger Sayle <roger@eyesopen.com>
8632 * genpreds.c (generate_switch_p): New function.
8633 (add_mode_tests): Push the new mode test down inside an AND expr
8634 if this allows the switch-suitable MATCH_CODE to be near the root.
8635 (write_match_code_switch): New function to write a MATCH_CODE as
8637 (write_predicate_stmts): New function to write a predicate RTX
8638 expression as a sequence of statements.
8639 (write_one_predicate_function): Use write_predicate_stmts.
8640 (write_tm_constrs_h): Likewise.
8642 2006-06-26 Fred Fish <fnf@specifix.com>
8644 * config/mips/t-sb1: New file.
8645 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8648 2006-06-26 DJ Delorie <dj@redhat.com>
8650 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8652 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8653 Jayant Sonar <jayants@kpitcummins.com>
8654 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8656 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8657 (subsi3, subsi3_1, subsi3_2): New.
8658 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8659 * config/m32c/mov.md (SI mov peephole): New.
8660 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8661 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8663 2006-06-26 Olivier Hainque <hainque@adacore.com>
8665 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8666 a CALL_EXPR target function declaration.
8668 2006-06-26 Richard Guenther <rguenther@suse.de>
8670 * tree.c (build_string): Do not waste tail padding in
8673 2006-06-26 Richard Guenther <rguenther@suse.de>
8675 * ggc-page.c (init_ggc): Add missing element to size_lookup
8679 2006-06-23 Richard Guenther <rguenther@suse.de>
8681 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8682 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8683 alignment requests instead. Add verification code.
8684 Add struct tree_function_decl and struct tree_binfo size to
8685 extra_order_size_table. Add missing element to size_lookup
8688 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8691 * fold-const.c (const_binop): Be prepared for self returning zero.
8692 Simplify code handling complex values.
8694 2006-06-24 Olivier Hainque <hainque@adacore.com>
8696 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8697 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8700 2006-06-24 Olivier Hainque <hainque@adacore.com>
8702 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8703 ARRAY_REF, so have the callback called for the low bound expression.
8705 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8707 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8708 * c-typeck.c (c_common_type): Disallow operations on decimal float
8709 types and other float types.
8710 * convert.c (convert_to_real): Don't ignore conversions involving
8711 decimal float types.
8713 2006-06-23 Olivier Hainque <hainque@adacore.com>
8715 * tree.c (max_int_size_in_bytes): New function, inspired from
8716 code in function.c:assign_temp.
8717 * tree.h (max_int_size_in_bytes): Declare.
8718 * function.c (assign_temp): Use it.
8719 * gimplify.c (create_tmp_var): Relax the assertions on the type
8720 properties, not mandating constant size any more.
8721 (force_constant_size): New static function.
8722 (gimple_add_tmp_var): Use it, forcing variable size to a
8723 constant upper bound if it is not constant on entry.
8725 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8728 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8729 for initialization and setting of one_only flag to ...
8730 (i386_pe_encode_section_info): ...here.
8731 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8732 Recheck that the symbol has not been defined.
8734 2006-06-23 Richard Guenther <rguenther@suse.de>
8736 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8737 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8738 alignment requests instead. Add verification code.
8739 Add struct tree_function_decl and struct tree_binfo size to
8740 extra_order_size_table. Add missing element to size_lookup
8743 2006-06-22 Roger Sayle <roger@eyesopen.com>
8744 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8747 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8748 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8750 2006-06-23 Ben Elliston <bje@au.ibm.com>
8752 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8753 negate dn -- manipulate it directly.
8755 2006-06-22 Roger Sayle <roger@eyesopen.com>
8756 Steven Bosscher <stevenb.gcc@gmail.com>
8759 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8760 generated by gen_move_insn to add REG_LABEL notes if necessary.
8762 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8764 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8765 (leaf_entry): Remove use of MIN_ESA.
8767 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8769 PR rtl-optimization/28121
8770 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8773 2006-06-21 DJ Delorie <dj@redhat.com>
8775 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8777 (mulhisi3_r): Likewise.
8779 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8782 * coverage.c (coverage_counter_alloc): Leave the index type
8784 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8787 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8789 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8790 section from the "Options for Code Generation Conventions".
8792 2006-06-21 Richard Henderson <rth@redhat.com>
8796 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8798 (global_symbolic_operand): Allow weak symbols, even if local_p.
8800 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8802 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8803 (find_interesting_uses_address): Punt if above function returns true.
8805 2006-06-21 Richard Guenther <rguenther@suse.de>
8807 * configure: Regenerated.
8809 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8811 * config/mips/mips.c (function_arg): Where one part of a
8812 complex argument is in registers and the other part in the stack,
8813 return a REG not a PARALLEL.
8815 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8817 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8818 when cross-compiling. Do not substitute libstdcxx_incdir.
8819 * configure: Regenerated.
8821 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8823 * varasm.c (mergeable_string_section): Check for embedded NULs and
8824 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8825 rather than TREE_STRING_LENGTH bytes.
8827 2006-06-21 Richard Guenther <rguenther@suse.de>
8829 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8830 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8833 2006-06-21 Richrad Guenther <rguenther@suse.de>
8835 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8836 Limit iteration over the dominators.
8838 2006-06-20 Roger Sayle <roger@eyesopen.com>
8840 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8841 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8843 2006-06-20 Richard Guenther <rguenther@suse.de>
8844 Michael Matz <matz@suse.de>
8846 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8848 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8849 * et-forest.h (et_free_pools): Prototype new function.
8850 * et-forest.c (et_free_tree_force): Free parent occurrence.
8851 (et_free_pools): New function.
8852 * dominance.c (free_dominance_info): Free et-forest alloc
8855 2006-06-20 Roger Sayle <roger@eyesopen.com>
8857 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8858 integer modes, attempt to directly construct an integer constant.
8860 * fold-const.c (native_encode_vector): Determine the size of each
8861 element from the vector type instead of the first vector element.
8863 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8864 if all of its elements/components are constant.
8865 (build_constructor_from_list): Likewise.
8867 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8869 PR tree-optimization/27331
8870 * tree-data-ref.c (free_data_ref): New function.
8871 (create_data_ref): Fail if the data reference has unknown access
8873 (free_data_refs): Use free_data_ref.
8875 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8878 * tree-inline.c (setup_one_parameter): Strip useless
8879 type conversion before adding it to the IR.
8880 (declare_return_variable): Likewise.
8882 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8885 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8887 2006-06-19 Mike Stump <mrs@apple.com>
8889 * tree.c (variably_modified_type_p): VM arguments don't make the
8892 2006-06-19 Richard Guenther <rguenther@suse.de>
8894 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8895 type conversions after folding.
8897 2006-06-19 Richard Guenther <rguenther@suse.de>
8899 * ggc-page.c (extra_order_size_tab): Add entries with
8900 size of struct function and basic_block.
8901 (size_lookup): Extend to cover sizes up to 511.
8902 (ggc_alloc_stat): Adjust user.
8903 (ggc_pch_count_object): Likewise.
8904 (ggc_pch_alloc_object): Likewise.
8905 (ggc_pch_write_object): Likewise.
8907 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8909 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8910 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8913 2006-06-19 Denis Chertykov <denisc@overta.ru>
8915 * config/avr/libgcc.S : Correct my wrong previous commit.
8917 2006-06-19 Roger Sayle <roger@eyesopen.com>
8920 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8921 have stripped a SUBREG from the shift count, so we may need to
8922 convert_to_mode back to the type's mode before calling make_tree.
8923 Use new_amount instead of amount to avoid expanding a tree twice.
8925 2006-06-19 Richard Guenther <rguenther@suse.de>
8928 * fold-const.c (operand_equal_p): Check if the argument types
8929 have the same precision before stripping NOPs.
8931 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8933 Fix PR tree-optimization/27341
8934 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8936 * tree-complex.c (pass_lower_complex): Update SMT usage.
8938 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8940 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8941 Add a new alternative to the constraint strings. Add move of
8942 operand 1 to 3 to the splitter definition.
8943 ("doloop_si_long"): Second contraint alternative removed.
8945 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8947 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8948 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8950 (AVR_HAVE_MOVW) Define.
8951 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8952 (ASM_SPEC): Add avr25.
8953 (LINK_SPEC): Add avr25.
8954 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8955 (base_arch_s): Add new member 'have_movw_lpmx'.
8956 (avr_arch_types): Init 'have_movw_lpmx'.
8957 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8958 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8959 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8960 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8961 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8963 (avr_file_start): Do not output '.arh' derective.
8964 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8965 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8966 * config/avr/avr.md (mcu_enhanced): Delete.
8967 (mcu_have_movw): Define.
8968 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8969 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8970 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8971 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8972 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8973 attiny861 and at86rf401 devices.
8975 2006-06-18 Jie Zhang <jie.zhang@analog.com>
8977 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
8980 2006-06-17 Karl Berry <karl@gnu.org>
8982 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
8983 doc/gccint.texi, doc/install.texi (@dircategory): Use
8984 "Software development" instead of "Programming", following
8985 the Free Software Directory.
8987 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8989 * config/i386/i386.c (legitimate_tls_address)
8990 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8991 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8992 (*tls_dynamic_gnu2_combine_64): Likewise.
8994 2006-06-16 Richard Guenther <rguenther@suse.de>
8997 * fold-const.c (negate_expr_p): Do not introduce undefined
8998 overflow in negating INTEGER_CSTs.
8999 (fold_negate_expr): Rename from negate_expr. Revert last
9000 change for folding BIT_NOT_EXPR. Change semantics to
9001 return NULL_TREE for non-simplified negations. Do not
9002 strip type conversions and unify type handling.
9003 (negate_expr): New function, wrap around fold_negate_expr
9004 but ensure building a tree always. Strip type conversions
9005 here, fold to result type.
9006 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9008 2006-06-16 Roger Sayle <roger@eyesopen.com>
9011 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9012 that (would) return their results in stack registers.
9014 2006-06-16 Michael Matz <matz@suse.de>
9015 Richard Guenther <rguenther@suse.de>
9017 * fold-const.c (fold_truthop): Only return new tree node if
9018 we canonicalized something.
9020 2006-06-16 Richard Guenther <rguenther@suse.de>
9022 * function.h (enum function_frequency): Move declaration
9023 out of struct function.
9024 (struct function): Move bool fields and the enum to the bitfield
9025 section. Reorder elements to avoid padding. Remove unused
9026 fields left over from the RTL inliner removal.
9027 * function.c (free_after_compilation): Do not zero removed fields.
9028 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9029 (ipa-type-escape.o): Likewise.
9031 2006-06-16 Richard Guenther <rguenther@suse.de>
9033 * cgraph.h (struct cgraph_local_info): Turn bool elements
9035 (struct cgraph_node): Likewise.
9036 (struct cgraph_varpool_node): Likewise.
9038 2006-06-15 Richard Guenther <rguenther@suse.de>
9040 * fold-const.c (fold_truth_not_expr): Rename from
9041 invert_truthvalue. Give it fold_* semantics to avoid
9043 (invert_truthvalue): New function. Wrapper around
9044 fold_truth_not_expr.
9045 (optimize_minmax_comparison): Avoid creating garbage.
9046 (fold_unary): Use fold_truth_not_expr for folding
9048 (fold_ternary): Replace uses of invert_truthvalue with
9049 fold_truth_not_expr where applicable.
9050 * tree.h (fold_truth_not_expr): Prototype.
9052 2006-06-16 Richard Guenther <rguenther@suse.de>
9054 PR tree-optimization/27781
9055 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9056 * ipa-pure-const.c (target.h): Include.
9057 (analyze_function): Do not analyze functions that do not
9060 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9063 * tree-dfa.c (referenced_vars_dup_list): Remove.
9064 (find_referenced_vars): Remove assert.
9065 (referenced_var_check_and_insert): Replace dup list with assert.
9066 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9067 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9069 2006-06-15 Richard Guenther <rguenther@suse.de>
9071 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9072 extra unused identifiers if not dumping.
9073 (create_variable_info_for): Likewise.
9075 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9077 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9078 (derive_constant_upper_bound): Derive more precise upper bound in
9079 common cases. Return type changed to double_int.
9080 (record_estimate): Reflect the changed return type of
9081 derive_constant_upper_bound.
9082 * double-int.c (double_int_zext, double_int_sext): Fix.
9084 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9086 * configure.ac (CFLAGS): Get them from the toplevel or from the
9087 configure invocation.
9088 * configure: Regenerate.
9089 * Makefile.in (CFLAGS): Substitute value provided by configure.
9091 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9094 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9095 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9096 rather than calling add_stmt on it.
9097 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9099 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9102 * reload1.c (reload): Remove registers returned by update_eliminables
9103 from used_spill_regs.
9105 2006-06-13 DJ Delorie <dj@redhat.com>
9107 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9109 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9111 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9112 html__strip_dir, html__mkdir_p. Enhance install-html target.
9113 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9114 * configure: Regenerate.
9116 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9118 * fold-const.c (fold_cond_expr_with_comparison): Check for
9119 Objective-C++ as language in deciding COND_EXPR transformation.
9121 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9124 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9125 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9126 * config/sh/lib1funcs.h (SL, SL1): Define.
9127 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9128 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9129 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9130 (OBJS_Os_4_200): New variable.
9131 ($(T)libgcc-Os-4-200.a): Use it.
9132 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9133 when dividing 1 and/or by 0.
9135 2006-06-13 Roger Sayle <roger@eyesopen.com>
9137 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9138 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9139 * configure: Regenerate.
9141 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9143 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9144 for real instruction.
9146 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9149 * haifa-sched.c (check_cfg): Handle special case.
9151 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9154 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9155 Add debug_info parameter. Chain the vars to the BLOCK instead
9156 of the BIND_EXPR if debug info are requested for them.
9157 (pop_gimplify_context): Adjust for above change.
9158 (gimple_add_tmp_var): Likewise.
9159 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9161 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9162 (convert_local_reference): Likewise.
9163 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9164 (finalize_nesting_tree_1): Request that debug info be emitted
9165 for debug_var_chain.
9167 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9169 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9170 for PR target/27863.
9172 2006-06-13 Richard Guenther <rguenther@suse.de>
9175 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9177 2006-06-13 Richard Guenther <rguenther@suse.de>
9179 PR tree-optimization/27830
9180 * tree-inline.c (copy_body_r): For copying the operand
9181 of an ADDR_EXPR make sure to fold &* afterwards.
9183 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9185 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9186 lvalues in the fb_none case with side-effects.
9188 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9190 * tree-flow.h: Remove the prototype for
9191 compute_phi_arg_on_exit.
9192 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9193 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9196 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9198 * builtins.c (expand_builtin_return_addr): Only use
9199 frame_pointer_rtx when count == 0 and we are expanding
9200 __builtin_return_address.
9202 2006-06-12 Fred Fish <fnf@specifix.com>
9204 * config/mips/mips.c (mips_file_start): Create special section
9205 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9207 2006-06-11 Eric Christopher <echristo@apple.com>
9210 * stor-layout.c (place_field): Remove check for
9211 remaining_in_alignment when aligning at the end of a run.
9213 2006-06-11 Eric Christopher <echristo@apple.com>
9216 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9219 2006-06-11 Roger Sayle <roger@eyesopen.com>
9222 Revert incorrect fix for PR target/27158
9223 2006-05-08 Roger Sayle <roger@eyesopen.com>
9224 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9225 of a reg_equiv_constant if the result is a legitimate constant.
9227 2006-06-11 Roger Sayle <roger@eyesopen.com>
9230 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9231 extract a CONST_VECTOR element and interpret it as an integer.
9232 (vspltis_constant): Use const_vector_elt_as_int instead of the
9233 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9234 * config/rs6000/predicates.md (easy_vector_const): Consider
9235 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9237 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9240 * stor-layout.c (update_alignment_for_field): Don't add extra
9241 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9244 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9246 * config/mips/t-rtems: Add EL/EB multilib variants.
9248 2006-06-09 Mike Stump <mrs@apple.com>
9250 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9252 2006-06-09 David Daney <ddaney@avtrex.com>
9254 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9256 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9258 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9260 2006-06-09 Richard Guenther <rguenther@suse.de>
9262 PR tree-optimization/26998
9263 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9264 of signed types, only TYPE_MIN_VALUE is special, but for both,
9265 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9266 in this case, as is -fwrapv.
9268 2006-06-08 Mike Stump <mrs@apple.com>
9271 * config/darwin.c (darwin_asm_output_anchor): Disable
9272 -fsection-anchors on darwin for now.
9273 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9274 * rs6000/rs6000.c (optimization_options): Likewise.
9276 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9279 * config/i386/i386.c (classify_argument): Skip fields with invalid
9282 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9284 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9285 (cse_insn): Likewise for the stack_pointer_rtx.
9287 2006-06-08 Roger Sayle <roger@eyesopen.com>
9289 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9290 conditions from floating point comparisons.
9292 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9295 * expmed.c (struct alg_hash_entry): Fix type of field T
9296 to match synth_mult argument.
9297 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9299 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9302 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9305 2006-06-08 Richard Guenther <rguenther@suse.de>
9308 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9309 only, if overflow is defined and not trapping.
9310 (negate_expr): Likewise.
9312 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9314 PR tree-optimization/27872
9315 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9316 flag on the new exit edge of the unrolled loop.
9318 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9320 PR rtl-optimization/26449
9321 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9323 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9326 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9327 referenced_variables with matching DECL_UID's.
9328 (find_referenced_vars): Make sure duplicate list is empty to start.
9329 (referenced_var_p): Remove.
9330 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9331 Check if var is in the list, and add if needed. Update the duplicate
9332 list if a different var is in the list with the same DECL_UID.
9333 (add_referenced_var): Call routine to check and insert.
9334 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9335 * tree-flow.h (referenced_vars_dup_list): External declaration.
9337 2006-06-07 Fred Fish <fnf@specifix.com>
9339 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9342 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9345 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9346 the imaginary and real parts of a clobbered register.
9347 Emit insn to set the imaginary part.
9349 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9351 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9352 in lieu of unwind-dw2-fde.c.
9354 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9356 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9358 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9361 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9362 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9363 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9364 V4SImode temporaries and operations instead.
9366 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9368 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9371 2006-06-06 Mike Stump <mrs@apple.com>
9373 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9374 installing during build.
9376 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9378 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9380 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9381 * config/ia64/ia64.c (params.h): New header.
9382 (ia64_optimization_options): New function to adjust parameters.
9383 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9384 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9385 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9387 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9389 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9391 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9394 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9396 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9397 Victor Kaplansky <victork@il.ibm.com>
9399 PR tree-optimization/26360
9400 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9403 2006-06-04 Roger Sayle <roger@eyesopen.com>
9404 Andrew Pinski <pinskia@physics.uc.edu>
9407 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9408 for LABEL_DECL before calling DECL_WEAK.
9411 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9412 LABEL_DECL and PARM_DECL.
9414 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9418 * c-decl.c (grokdeclarator): Disallow variably modified types at
9419 file scope. Avoid marking shared array type of constant size as
9422 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9425 * c-common.c (fold_offsetof_1): Handle static members.
9427 2006-06-04 Eric Christopher <echristo@apple.com>
9429 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9430 (debug_rli): Output value for remaining_in_alignment.
9431 (update_alignment_for_field): Unconditionalize
9432 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9433 extra alignment code.
9434 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9435 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9436 * tree.h (record_layout_info_s): Remove prev_packed.
9437 * doc/extend.texi (ms_struct): Add documentation of format.
9439 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9441 * tree.h: Declare folding_initializer.
9442 * builtins.c (fold_builtin_constant_p): Give definite answer
9443 if folding inside an initializer.
9444 * fold-const.c: Define folding_initializer.
9445 (START_FOLD_INIT): Save and then set folding_initializer.
9446 (END_FOLD_INIT): Restore folding_initializer.
9448 2006-06-04 Richard Guenther <rguenther@suse.de>
9450 PR tree-optimization/27039
9451 * fold-const.c (fold_comparison): Handle pointer comparison
9452 again for all comparison codes. Compare offsets in signed
9454 (fold_binary): Move code from here.
9456 2006-06-03 Roger Sayle <roger@eyesopen.com>
9459 * config/i386/i386.c (construct_container): Split static issued_error
9460 flag into issued_sse_arg_error, issued_sse_ret_error and
9461 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9462 requires the use of x87 registers and the user explicitly
9463 specified the -mno-80387 command line option.
9465 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9467 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9468 HAVE_DECL_SIGALTSTACK.
9470 (segv_handler): Use MC_FLD.
9471 * configure.ac: Check for a sigaltstack declaration.
9472 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9473 * configure: Regenerate.
9474 * config.in: Regenerate.
9476 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9479 * Makefile.in (stmp-fixinc): Fix typo.
9481 2006-06-02 Roger Sayle <roger@eyesopen.com>
9483 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9484 are type correct. Clean-up.
9485 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9486 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9488 2006-06-01 DJ Delorie <dj@redhat.com>
9490 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9491 shift, as we've disabled the "switch" insn that needs it.
9493 2006-06-01 Per Bothner <bothner@bothner.com>
9495 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9496 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9497 * c-ppoutput.c (cb_define): Don't increment line 0.
9499 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9501 * doc/invoke.texi: Add cpu_type power6.
9502 * config.gcc: Add cpu_type power6.
9503 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9504 to power5+ with Altivec.
9505 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9506 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9508 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9510 * config/avr/avr.h (SET_ASM_OP): Define.
9512 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9514 * config/bfin/bfin.c: Fix comment typos.
9516 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9519 * doc/install.texi: Document --enable-bootstrap and
9520 --disable-bootstrap.
9522 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9524 * doc/install.texi: Document that InfoZIP can replace jar.
9526 2006-05-31 Roger Sayle <roger@eyesopen.com>
9528 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9529 isn't available, directly generate the simpler x87 patterns without
9530 the (use (const_int 0)).
9531 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9532 implementation isn't available.
9533 (*negdf2_1): Likewise.
9534 (*negxf2_1): XF mode negation is always done using the x87.
9535 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9537 2006-05-31 Roger Sayle <roger@eyesopen.com>
9539 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9540 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9542 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9544 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9546 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9547 * config/bfin/bfin.c (basic-block.h): Include.
9548 (struct machine_function): New.
9549 (bfin_init_machine_status): New.
9550 (override_options): Initialize init_machine_status.
9551 (bfin_hardware_loop): New.
9552 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9553 (DEF_VEC_P (loop_info)): New.
9554 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9555 (struct loop_info): New.
9556 (loop_info): New typedef.
9557 (struct loop_work): New.
9558 (loop_work): New typedef.
9559 (DEF_VEC_O (loop_work)): New.
9560 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9561 (bfin_dump_loops): New.
9562 (bfin_bb_in_loop): New.
9563 (bfin_scan_loop): New.
9564 (bfin_optimize_loop): New.
9565 (bfin_reorg_loops): New.
9566 (bfin_reorg): Use bfin_reorg_loops.
9567 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9569 (I_REGNO_P): Simplify.
9570 (DP_REGNO_P, DPREG_P): New macros.
9571 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9572 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9573 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9574 Add LT_REGS, LC_REGS, LB_REGS.
9575 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9577 (REGNO_REG_CLASS): Deal with loop registers.
9578 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9580 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9581 New constants for loop registers.
9582 (UNSPEC_LSETUP_END): New.
9583 (seq_insns): New define_attr. Set it for appropriate insns.
9584 (movsi_insn): Add alternatives for move from/to
9585 loop count registers.
9586 (doloop_end): New define_expand.
9587 (loop_end): New define_insn.
9588 (define_split for bad doloop_end): New.
9589 (lsetup_with_autoinit): New define_insn.
9590 (lsetup_without_autoinit): New define_insn.
9591 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9592 * config/bfin/predicates.md (lc_register_operand): New.
9593 (lt_register_operand): New.
9594 (lb_register_operand): New.
9595 (nondp_register_operand): New.
9596 (nondp_reg_or_memory_operand): New.
9597 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9599 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9601 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9602 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9604 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9606 * Makefile.in (CATALOGS): Add po/ prefix.
9607 * configure: Regenerated.
9609 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9612 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9613 a shift operand before calling shift_op. Avoid redundant call of
9616 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9617 DJ Delorie <dj@redhat.com>
9619 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9620 we're inserting is a singlt-bit constant.
9622 2006-05-30 Roger Sayle <roger@eyesopen.com>
9624 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9625 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9627 2006-05-30 Roger Sayle <roger@eyesopen.com>
9629 PR tree-optimization/23452
9630 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9631 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9632 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9633 complex values and with -ffast-math for FP complex values.
9635 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9637 * c-common.h: Remove the prototype for yyparse.
9638 * rtl.h: Remove the prototype for init_loop.
9640 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9642 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9645 2006-05-30 Roger Sayle <roger@eyesopen.com>
9647 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9649 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9650 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9652 2006-05-30 Dirk Mueller <dmueller@suse.de>
9655 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9656 for CONSTANT_CLASS_P expresisons.
9658 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9661 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9663 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9665 PR tree-optimization/27779
9666 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9667 initial_condition instead of CHREC_LEFT.
9669 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9671 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9672 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9673 Make prototypes ISO C90.
9675 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9676 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9678 * see.c (see_analyze_one_def): Correct check.
9679 (see_get_extension_data): Check if extension is parallel.
9680 (see_get_extension_reg): Likewise.
9682 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9685 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9686 into register for (code == GTU).
9688 2006-05-29 Roger Sayle <roger@eyesopen.com>
9690 PR tree-optimization/24964
9691 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9692 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9693 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9694 abs(x)*abs(x) as x*x for scalar floating point modes.
9696 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9699 * lambda-code.c (perfect_nestify): Don't copy statements
9700 in the inner loop: move them to the inner loop header.
9702 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9705 * c-tree.texi: Document OpenMP directives and clauses.
9707 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9709 * varasm.c (globalize_decl): Fix indentation.
9711 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9714 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9715 pass_fre, pass_store_ccp, pass_copy_prop,
9716 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9717 pass_return_slot, pass_object_size, pass_lim,
9718 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9719 pass_loop_prefetch and pass_stdarg.
9721 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9723 * config/bfin/bfin.opt (mfdpic): New option.
9724 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9725 (EXTRA_MULTILIB_PARTS): Likewise.
9726 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9727 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9729 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9730 (CRT_CALL_STATIC_FUNCTION): New.
9731 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9733 (CRT_CALL_STATIC_FUNCTION): New.
9734 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9736 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9737 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9738 (initialize_trampoline): Changed to handle FD-PIC code generation.
9739 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9740 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9741 (override_options): Disallow -mid-shared-library -mfdpic combination.
9742 Can't do unaligned ops if FD-PIC.
9743 Turn off flag_pic if trying to generate non-id-shared-library
9744 non-fdpic code, since it's not supported.
9745 (bfin_assemble_integer): New function.
9746 (TARGET_ASM_INTEGER): Define.
9747 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9749 * config/bfin/crtn.s: Restore them.
9750 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9752 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9753 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9754 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9755 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9756 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9758 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9759 FDPIC_REGS and FDPIC_FPTR_REGS.
9760 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9761 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9762 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9763 (load_funcdescsi): New pattern.
9764 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9765 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9766 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9768 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9770 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9773 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9775 * tree-flow.h: Remove the prototype for add_type_alias.
9776 * tree-ssa-alias.c (add_type_alias): Remove.
9778 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9780 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9781 config/fr30/fr30.md, config/i386/i386-interix.h,
9782 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9783 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9784 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9785 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9786 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9787 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9788 Follow spelling conventions.
9789 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9790 Follow spelling conventions.
9792 2006-05-27 Richard Guenther <rguenther@suse.de>
9795 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9796 to produce a constant of value 1 of generic type.
9798 2006-05-27 Dirk Mueller <dmueller@suse.de>
9800 * cgraphunit.c (decide_is_function_needed): Fix wrong
9803 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9805 PR rtl-optimization/27661
9806 * reload.c (find_reloads): When reloading a VOIDmode constant
9807 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9808 use Pmode as mode of the reload register.
9810 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9812 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9813 is enabled at -O and above.
9815 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9818 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9821 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9824 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9825 for anonymous variables explicitly declared by front ends.
9827 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9829 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9830 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9831 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9832 ref-all pointers, run a finalization pass for them.
9833 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9834 (finalize_ref_all_pointers): New function.
9835 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9836 regular pointer type to a ref-all pointer type.
9837 (get_tmt_for): Return the special memory tag for ref-all pointers.
9839 2006-05-25 Richard Guenther <rguenther@suse.de>
9842 * fold-const.c (fold_binary): Do not look at the stripped
9843 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9845 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9847 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9848 for LT and GT if the computed range is effectively empty.
9850 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9853 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9854 mips_quad_format formats instead of ieee_single_format,
9855 ieee_double_format and ieee_quad_format formats, respectively.
9857 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9859 PR tree-optimization/27639
9860 PR tree-optimization/26719
9861 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9862 call to scev_probably_wraps_p.
9863 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9864 used_in_pointer_arithmetic_p, convert_step): Removed.
9865 (nowrap_type_p): New function.
9866 (scev_probably_wraps_p): Rewritten.
9867 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9868 chrec_convert if chrec_convert_aggressive might have been used.
9869 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9870 scev_direction): New functions.
9871 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9872 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9873 instead of convert_step.
9874 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9875 (convert_step): Declaration removed.
9876 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9878 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9880 * df-core.c: Added to header comments.
9881 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9882 df_ur_bb_info, df_urec_bb_info): Added comments.
9883 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9884 urec, ri problems): Fixed header comments.
9885 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9886 code from df_rd_transfer_function.
9888 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9890 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9891 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9892 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9894 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9896 * expr.c (undefined_operand_subword_p): New.
9897 (emit_move_multi_word): Do not generate move from undefined bits
9898 of a paradoxical subreg.
9900 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9902 PR rtl-optimization/27736
9903 * combine.c (replaced_rhs_value): New variable.
9904 (combine_instructions): Set it.
9905 (distribute_notes): When distributing a note in replaced_rhs_insn,
9906 check whether the value was used in replaced_rhs_value.
9908 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9911 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9912 add_referenced_var instead of add_referenced_tmp_var.
9913 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9914 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9916 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9917 tree_optimize_tail_calls_1): Use add_referenced_var.
9918 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9919 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9920 Use add_referenced_var.
9921 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9922 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9923 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9924 Use add_referenced_var.
9925 * tree-dfa.c (struct walk_state): Remove.
9926 (find_referenced_vars): Remove walk state and vars_found hash table.
9927 (make_rename_temp): Use add_referenced_var.
9928 (find_vars_r): Pass less parameters to add_referenced_var.
9929 (referenced_var_p): New. Is var in referenced_var hash table.
9930 (referenced_var_insert): Assert var isn't already in hash table.
9931 (add_referenced_var): Don't need walk_state parameter. Add var if it
9932 isn't already in the hash table.
9933 (add_referenced_tmp_var): Remove.
9934 (find_new_referenced_vars_1): Use add_referenced_var.
9935 * tree-ssa-pre.c (create_expression_by_pieces,
9936 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9937 Use add_referenced_var.
9938 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9939 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9940 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9942 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9943 vect_create_data_ref_ptr, vect_create_destination_var,
9944 vect_init_vector, vect_build_loop_niters,
9945 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9946 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9947 Use add_referenced_var.
9948 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9949 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9950 (add_referenced_var): Add prototype.
9951 * tree-ssa-structalias.c (get_constraint_for,
9952 intra_create_variable_infos): Use add_referenced_var.
9954 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9956 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9957 big-endian paradoxical subregs.
9958 * var-tracking.c (struct micro_operation_def): Document that,
9959 for modify micro operations, insn is the subsequent instruction.
9960 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9961 (var_reg_set, var_mem_set): ... new functions.
9962 (add_stores): Record subsequent insn.
9963 (compute_bb_dataflow): Use new functions for MO_USE.
9964 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9965 notes after the insn, and modify notes before the insn known
9966 to be the subsequent one.
9967 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9969 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9972 * config/i386/i386.c (ix86_expand_builtin): Use
9973 gen_sse3_monitor64 for TARGET_64BIT.
9975 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
9977 PR rtl-optimization/26375
9978 PR rtl-optimization/26855
9979 * df-problems (df_ru_bb_local_compute_process_def): Removed update
9981 (df_ru_bb_local_compute): Reversed statements and removed bogus
9982 comment explaining why they should be in wrong order.
9983 (df_ru_dump, df_rd_dump): Enhanced debug info.
9984 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9986 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9987 reaching uses and fixed space problem.
9989 2006-05-23 Jan Hubicka <jh@suse.cz>
9991 * cgraphunit.c (decide_is_function_needed): Also nested functions
9992 and functions declared inline can be optimized out at -O0.
9994 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9996 * doc/install.texi (Configuration): Remove reference to CrossGCC
10000 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10003 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10004 ix86_compare_emitted is non-NULL.
10006 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10009 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10012 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10014 PR rtl-optimization/25514
10015 * combine.c (replaced_rhs_insn): New variable.
10016 (combine_instructions): Set replaced_rhs_insn when trying to replace
10017 a SET_SRC with a REG_EQUAL note.
10018 (distribute_notes): Use replaced_rhs_insn when determining the live
10019 range of a REG_DEAD register.
10021 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10022 Anatoly Sokolov <aesok@post.ru>
10024 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10025 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10026 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10027 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10028 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10029 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10030 at90usb647, at90usb1286 and at90usb1287 devices.
10031 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10032 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10034 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10036 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10038 2006-05-22 Richard Guenther <rguenther@suse.de>
10041 2006-01-31 Richard Guenther <rguenther@suse.de>
10042 Paolo Bonzini <bonzini@gnu.org>
10044 * doc/install.texi (--disable-libgcc-math): Document.
10046 2006-05-22 Richard Guenther <rguenther@suse.de>
10049 2006-01-31 Richard Guenther <rguenther@suse.de>
10051 * doc/invoke.texi (-msselibm): Document.
10052 * target.h (expand_library_builtin): New target hook.
10053 * builtins.c (expand_builtin): Use expand_library_builtin.
10054 (default_expand_library_builtin): New function.
10055 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10056 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10057 (link_gcc_math_spec): Declare.
10058 (static_specs): Add link_gcc_math_spec.
10059 * expr.h (default_expand_library_builtin): Declare.
10060 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10061 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10062 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10063 * config/i386/i386.opt (msselibm): New target option.
10064 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10065 (ix86_init_sse_abi_builtins): New function.
10066 (ix86_expand_library_builtin): Likewise.
10067 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10068 (override_options): Handle error conditions wrt -msselibm.
10069 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10070 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10071 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10074 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10077 * c-common.c (self_promoting_args_p): Skip erroneous args.
10080 * c-decl.c (finish_struct): Skip erroneous fields.
10082 2006-05-22 Nick Clifton <nickc@redhat.com>
10084 * config/cris/cris.opt (march): Remove VarExists attribute.
10085 (max-stackframe=): Likewise.
10087 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10089 * doc/rtl.texi: Fix a typo.
10090 * see.c: Fix comment typos.
10092 * tree-ssa-structalias.h (alias_info): Remove num_references.
10094 2006-05-21 Mike Stump <mrs@apple.com>
10096 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10098 (darwin_pragma_options): Use BAD instead.
10099 (darwin_pragma_unused): Likewise.
10100 (darwin_pragma_ms_struct): Likewise.
10102 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10104 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10106 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10108 PR rtl-optimization/27671
10109 * simplify-rtx.c (simplify_relational_operation_1): Fix
10110 simplifications of (eq/ne (xor x y) y) and
10111 (eq/ne (xor x y) x).
10113 PR tree-optimization/26622.
10114 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10117 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10119 * tree-cfg.c: Prune whitespace.
10120 (debug_tree_cfg): Point to correct header containing the
10123 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10125 PR middle-end/25776
10126 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10128 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10130 PR middle-end/25776
10131 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10132 or sorry count is non zero.
10134 2006-05-20 Andreas Schwab <schwab@suse.de>
10136 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10138 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10139 Kenneth Zadeck <zadeck@naturalbridge.com>
10141 PR rtl-optimization/26855
10143 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10145 (df_scan_alloc): Added code to properly handle multiword hard
10146 registers and add all_blocks parameter.
10147 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10148 code to properly handle multiword hard registers.
10149 (df_rescan_blocks): Added code to remove deleted blocks from
10151 (df_ref_create_structure, df_ref_record): Added code to properly
10153 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10154 and set DF_REF_PARTIAL.
10155 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10156 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10157 (df_scan_add_problem): Added flags parameter.
10158 (df_ref_create_structure): Changed switching structure.
10159 (df_bb_refs_record): Fixed case where duplicate artificial refs
10160 were created. Changed location of flags.
10161 (df_record_entry_block_defs): Added code to make stack pointer
10162 live in entry block. Refined cases where frame pointer is needed.
10163 Changed location of flags.
10164 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10165 (df_set_state): Removed function.
10166 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10167 df_insn_create_insn_record, df_insn_refs_delete,
10168 df_ref_create_structure): Formatting changes.
10169 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10170 df_delete_basic_block): New function.
10171 (df_init): Changed location of flags.
10172 (df_add_problem): Added flags parameter and the way flags are
10174 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10175 debug_df_chain): Improved debugging output.
10176 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10177 (df_refs_chain_dump): Removed df parameter.
10178 (df_iterative_dataflow): Added consistency check.
10179 (df_prune_to_subcfg): Made public.
10180 (df_analyze_problem): Added blocks_to_init parameter and made
10182 (df_ref_record, df_bb_refs_record, df_mark_reg,
10183 df_record_exit_block_uses): Whitespace changes.
10184 (df_dump): Whitespace changes.
10185 * df.h: Some reordering to remove forward references.
10186 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10187 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10188 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10189 (dataflow.flags): New field.
10190 (df.flag): Deleted field.
10191 (df_alloc_function): Added additional bitmap parameter.
10192 (df_dependent_problem_function): New type.
10193 (df_problem.changeable_flags): New field.
10194 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10195 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10196 (df_mw_hardreg): New struct.
10197 (DF_INSN_UID_MWS): New macro.
10198 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10200 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10201 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10202 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10203 (df_set_state): Removed function.
10204 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10205 * df-problems.c (df_chain_dump): Removed df parameter.
10206 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10207 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10209 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10210 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10211 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10212 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10213 DF_REF_MUST_CLOBBER cases.
10214 (df_ru_bb_local_compute_process_def,
10215 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10216 df_lr_bb_local_compute, df_ur_bb_local_compute,
10217 df_chain_create_bb): Made subreg aware.
10218 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10219 df_lr_bb_local_compute, df_lr_bb_local_compute,
10220 df_chain_create_bb): Cleanup to use proper macros.
10221 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10222 code to fixup bitvectors.
10223 (df_ri_alloc): Cleared lifetime.
10224 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10225 df_create_unused_note): New function.
10226 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10227 REG_DEAD and REG_UNUSED notes as well as register information.
10228 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10229 df_chains_dump): Fixed crash if problem was never run.
10230 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10231 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10232 df_ri_add_problem): Processes flags in uniform manner.
10233 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10234 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10235 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10236 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10237 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10238 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10239 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10240 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10241 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10242 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10243 * see.c (see_initialize_data): Ditto.
10244 * final.c (rest_of_clean_state) Added regstack_completed.
10245 * rtl.h (regstack_completed): Ditto.
10246 * reg-stack.c (regstack_completed): Ditto.
10248 2006-05-19 Mike Stump <mrs@apple.com>
10250 * c-tree.h (default_conversion): Remove.
10251 * c-common.h (default_conversion): Add.
10253 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10255 * tree-vrp.c (valid_value_p): New function.
10256 (adjust_range_with_scev): Fail if the value of bound is not
10259 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10261 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10262 (mips_fallback_frame_state): Use syscall numbers to determine
10263 the appropriate li instruction for the current ABI. Only use
10264 __NR_sigreturn for o32.
10266 2006-05-19 Nicolas Setton <setton@adacore.com>
10268 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10269 * langhooks.c (lhd_dwarf_name): New function.
10270 * langhooks-def.h (lhd_dwarf_name): Declare.
10271 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10272 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10274 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10276 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10278 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10279 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10280 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10281 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10282 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10283 determine the size of Wtype, etc.
10284 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10285 (swfloatfuncs): New variable.
10286 (dwfloatfuncs): Likewise.
10287 (lib2funcs): Remove floating-point conversion functions from
10288 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10289 the set of conversion routines needed. Allow entries to specify
10290 an object name, filename and word size. Update users accordingly.
10291 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10292 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10296 2006-02-08 Roger Sayle <roger@eyesopen.com>
10299 * config/fixtfdi.c: New libgcc source file.
10300 * config/fixunstfdi.c: New source file.
10301 * config/floatditf.c: New source file.
10302 * config/floatunditf.c: New souce file.
10303 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10304 files above instead of config/mips/_tilib.c.
10305 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10307 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10309 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10310 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10312 2006-05-18 Mike Stump <mrs@apple.com>
10314 Fix up vla, vm and [*] sematics.
10320 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10321 (c_vla_unspec_p): Add.
10322 (c_vla_type_p): Add.
10323 * c-decl.c (struct c_scope): Add had_vla_unspec.
10324 (build_array_declarator): Add support for [*].
10325 (grokdeclarator): Likewise.
10326 (grokparms): Likewise.
10327 (get_parm_info): Likewise.
10328 * c-objc-common.c (c_vla_unspec_p): Likewise.
10329 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10330 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10331 typeof when argument is a variably modified type not inside sizeof or alignof.
10332 (c_parser_direct_declarator_inner): Propagate errors.
10333 (c_parser_sizeof_expression): Add support for [*].
10334 (c_parser_parms_declarator): Initialize had_vla_unspec.
10335 (c_parser_parms_list_declarator): Likewise.
10336 * c-typeck.c (c_vla_type_p): Add.
10337 (composite_type): Add support for vla compositing.
10338 (comptypes_internal): Add support for vla compatibility.
10339 (c_expr_sizeof_expr): Evaluate vla arguments.
10340 * tree.c (variably_modified_type_p): Update comment for [*].
10342 2006-05-18 Michael Matz <matz@suse.de>
10345 * config.host: Make assignments to host_xmake_file cumulative.
10346 * config.host (*-darwin*): Test $host, not $target.
10348 2006-05-12 Stuart Hastings <stuart@apple.com>
10350 * config/i386/i386.opt (-mstackrealign): New flag.
10351 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10352 (ix86_handle_cconv_attribute): Emit error when
10353 force_align_arg_pointer attribute collides with too many regparms.
10354 (ix86_function_regparm): Limit regparms when used with
10355 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10356 Support stack-realigning prologue in non-main functions. Emit
10357 warning for nested functions under -mstackrealign, emit error for
10358 nested functions with force_align_arg_pointer attribute.
10359 * doc/extend.texi (force_align_arg_pointer): Document it.
10360 * doc/invoke.texi (-mstackrealign): Document it.
10362 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10364 PR rtl-optimization/27477
10365 * combine.c (try_combine): Don't split a parallel consisting
10366 of two sets into two individual sets if both sets reference
10369 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10371 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10372 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10374 * doc/options.texi (VarExists): Updated.
10376 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10378 * unwind-dw2.c: Add declarations for uw_update_context and
10379 uw_frame_state_for.
10380 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10381 detected, advance frame state and context once to skip over stub.
10383 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10385 PR middle-end/20256
10386 PR middle-end/26435
10387 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10388 Call rewrite_into_loop_closed_ssa only when something changed.
10389 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10390 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10391 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10392 Test for perfect_nest_p here. Fix formating.
10393 (replace_uses_equiv_to_x_with_y): Fix formating.
10394 (stmt_uses_op): Removed.
10395 (can_convert_to_perfect_nest): Removed loopivs parameter.
10396 Complete the test by checking the scalar dependences.
10397 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10400 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10403 From Dan Kegel <dank@kegel.com>:
10404 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10406 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10408 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10409 if the element type is variably modified without recursing.
10411 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10413 PR middle-end/27332
10414 * tree-loop-linear.c (try_interchange_loops): Test for
10415 no data dependences.
10417 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10419 PR tree-optimization/27548
10420 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10421 range of ssa names that appear on abnormal edges.
10422 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10423 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10425 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10427 PR middle-end/27620
10428 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10430 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10432 PR middle-end/27415
10433 * tree.h (OMP_PARALLEL_COMBINED): Define.
10434 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10435 (new_omp_context): Add is_combined_parallel argument.
10436 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10437 new_omp_context caller.
10438 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10439 Adjust gimplify_scan_omp_clauses callers.
10440 (omp_is_private): Issue errors if iteration variable is firstprivate
10441 or reduction in the current context.
10442 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10443 on combined parallel workshare constructs.
10445 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10447 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10448 (gcc-options.o): New rule.
10450 * optc-gen.awk: Protect variables for gcc-options.o with
10451 #ifdef GCC_DRIVER/#endif.
10453 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10455 Fix PR tree-optimization/27373
10456 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10457 (forward_propagate_addr_expr): Update call.
10459 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10461 * doc/options.texi: Move the Negative option.
10463 2006-05-16 Richard Guenther <rguenther@suse.de>
10465 PR tree-optimization/22303
10466 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10468 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10469 ccp_fold did not simplify the statement.
10471 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10474 * Makefile.in (GCC_OBJS): New.
10475 (OBJS-common): Add opts-common.o.
10476 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10477 (cpp$(exeext)): Likewise.
10478 (gcc.o): Also depend on opts.h.
10479 (opts-common.o): New.
10481 * common.opt (gcoff): Add Negative(gdwarf-2).
10482 (gdwarf-2): Add Negative(gstabs).
10483 (gstabs): Add Negative(gstabs+).
10484 (gstabs+): Add Negative(gvms).
10485 (gvms): Add Negative(gxcoff).
10486 (gxcoff): Add Negative(gxcoff+).
10487 (gxcoff+): Add Negative(gcoff).
10488 * config/i386/i386.opt (m32): Add Negative(m64).
10489 (m64): Add Negative(m32).
10491 * doc/options.texi: Document the Negative option.
10493 * gcc.c: Include "opts.h".
10494 (main): Call prune_options after expandargv.
10496 * optc-gen.awk: Generate common declarations for all flag
10497 variables in options.c. Output the neg_index field.
10499 * opts.c (find_opt): Moved to ...
10500 * opts-common.c: Here. New file.
10502 * opts.h (cl_option): Add a neg_index field.
10504 (prune_options): Likewise.
10506 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10508 PR middle-end/27573
10509 * omp-low.c (expand_omp_parallel): Don't assert
10510 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10511 instead search for it.
10514 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10517 2006-05-16 Andreas Schwab <schwab@suse.de>
10519 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10522 2006-05-15 Roger Sayle <roger@eyesopen.com>
10525 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10526 integer constants other than zero are only legitimate on TARGET_64BIT.
10527 <CONST_VECTOR> Only zero vectors are legitimate.
10528 (ix86_cannot_force_const_mem): Integral and vector constants can
10529 always be put in the constant pool.
10531 2006-05-16 DJ Delorie <dj@redhat.com>
10533 * crtstuff.c (__dso_handle): Set section from
10534 TARGET_LBIGCC_SDATA_SECTION if defined.
10535 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10536 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10538 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10541 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10544 2006-05-16 Ben Elliston <bje@au.ibm.com>
10546 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10548 2006-05-15 Per Bothner <per@bothner.com>
10550 * tree.c: (last_annotated_node): Use source_locus typedef.
10551 This permits bootstrapping with --enable-mapped-location.
10553 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10555 PR tree-optimization/26830
10556 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10557 (info_for_ssa_name, current_info_for_ssa_name_age,
10558 blocks_to_update): New variables.
10559 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10560 (clear_ssa_name_info, initialize_flags_in_bb,
10561 mark_block_for_update): New functions.
10562 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10563 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10564 prepare_def_site_for): Use mark_block_for_update.
10565 (mark_def_interesting): Assert that the processed block is marked in
10566 blocks_to_update. Do not take blocks argument.
10567 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10569 (rewrite_update_init_block, rewrite_update_stmt): Only process
10570 blocks with statements to rewrite.
10571 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10572 (update_ssa): Initialize and free blocks_to_update. Do not
10573 clear flags on statements. Do not use blocks bitmap.
10574 * tree.h (SSA_NAME_AUX): Removed.
10575 (struct tree_ssa_name): Removed aux field.
10576 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10578 2006-05-15 Richard Guenther <rguenther@suse.de>
10580 PR tree-optimization/27603
10581 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10582 Do computations in original type.
10584 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10586 * see.c: Code style changes such as redundant paranthesis,
10587 redundant intialization of local variables etc.
10588 (see_main): Declared now as static.
10589 * doc/invoke.texi: Update that -fsee is not enabled by
10592 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10594 * omp-low.c (check_omp_nesting_restrictions): New function.
10595 (scan_omp_1): Call it.
10597 PR middle-end/27416
10598 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10599 construct, return *VAR.
10601 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10603 PR rtl-optimization/27406
10604 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10607 2006-05-14 Roger Sayle <roger@eyesopen.com>
10609 PR rtl-optimization/27538
10610 * combine.c (expand_compound_operation): Call gen_lowpart
10611 before calling simplify_shift_const.
10613 2006-05-14 Roger Sayle <roger@eyesopen.com>
10615 PR rtl-optimization/22563
10616 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10617 a fixed width bitfield, always force the intermediates into psuedos.
10619 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10622 * mkconfig.sh: Use operator = instead of == for test.
10624 2006-05-13 Nick Clifton <nickc@redhat.com>
10626 * dwarf2out.c (dbx_reg_number): Check return value from
10627 LEAF_REG_REMAP and only use it if it is valid.
10628 (multiple_reg_loc_descriptor): Likewise.
10630 2006-05-13 Richard Guenther <rguenther@suse.de>
10632 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10635 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10637 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10638 information attached to non-INSNs such as NOTEs.
10639 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10641 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10643 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10645 * config/s390/s390.md: Adjust comment describing On constraint.
10647 2006-05-11 Jan Hubicka <jh@suse.cz>
10649 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10650 to be output at -O0.
10652 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10654 PR middle-end/27384
10655 * fold-const.c (size_binop): Move sanity check for arguments to
10656 the beginning of the function.
10658 PR middle-end/27488
10659 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10662 2006-05-11 Richard Guenther <rguenther@suse.de>
10664 PR middle-end/27529
10665 * fold-const.c (fold_unary): Handle intermediate conversion
10666 to a pointer type like intermediate conversion to an integer
10667 type in folding of (T1)(T2)var to var.
10668 Match the code to the comment in the final conversion for
10669 (T1)(T2)var to (T1)var regarding to type precision. Rather
10670 than disallow T1 being of pointer type, assert that both T1
10671 and var are of pointer type or not. Make sure not to fall
10672 over the frontends lazyness wrt array to pointer decay though.
10674 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10676 * arm.c (arm_struct_value_rtx): Delete.
10677 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10678 (arm_init_cumulative_args): Always initialize nregs to zero.
10680 2006-05-10 Richard Guenther <rguenther@suse.de>
10682 PR tree-optimization/27532
10683 * tree-object-size.c (plus_expr_object_size): Fix typo.
10685 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10688 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10689 ashrdi_const, ashrdi3): Use a scratch register.
10691 2006-05-10 Richard Guenther <rguenther@suse.de>
10693 PR tree-optimization/27302
10694 * fold-const.c (operand_equal_p): For two comparisons,
10695 try comparison of one comparison code swapped if that yields
10698 2006-05-10 Ben Elliston <bje@au.ibm.com>
10700 * tree-pretty-print.c (pretty_print_string): No need to handle
10701 '\0' as a special character.
10703 * tree.h: Include "hashtab.h".
10704 (iterative_hash_expr): Use hashval_t in its prototype.
10705 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10707 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10710 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10711 (hppa*64*-*-hpux11*): Ditto.
10712 (hppa[12]*-*-hpux11*): Ditto.
10714 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10717 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10719 2006-05-09 Michael Matz <matz@suse.de>
10721 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10722 host_extra_gcc_objs and host_xmake_file.
10723 (<*-*-linux*>): Don't overwrite host_xmake_file.
10724 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10725 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10726 (host_detect_local_cpu): Declare.
10727 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10728 * config/i386/i386.c (override_options): Handle -mtune=native
10730 * config/i386/x-i386: New file.
10731 * config/i386/driver-i386.c: New file.
10732 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10735 2006-05-09 Dirk Mueller <dmueller@suse.de>
10736 Richard Guenther <rguenther@suse.de>
10738 PR middle-end/27498
10739 * fold-const.c (fold_read_from_constant_string): Relax check
10740 for matching types to matching modes.
10742 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10744 PR rtl-optimization/27335
10745 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10748 2006-05-08 Chao-ying Fu <fu@mips.com>
10749 Richard Sandiford <richard@codesourcery.com>
10751 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10752 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10753 * config/mips/mips.md (UNSPEC_SCC): New constant.
10754 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10755 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10756 (mips_emit_compare): Use it.
10757 (mips_expand_vcondv2sf): New function.
10759 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10761 Fix PR tree-optimization/27093
10762 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10763 renaming when they become not-used_alone.
10765 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10767 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10768 relocation and relocation stubs.
10770 2006-05-08 Eric Christopher <echristo@apple.com>
10772 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10775 2006-05-08 Jan Hubicka <jh@suse.cz>
10777 PR middle-end/24561
10778 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10779 unused static functions are needed.
10781 2006-05-08 Roger Sayle <roger@eyesopen.com>
10784 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10785 of a reg_equiv_constant if the result is a legitimate constant.
10787 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10790 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10791 standard 80387 constants, raise the cost to prevent
10792 compress_float_constant() to generate load from memory.
10794 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10796 * config/arm/constraints.md (c): Fix a typo.
10798 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10801 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10804 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10806 (_mm_mwait): Likewise.
10808 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10810 (sse3_monitor): Make it 32bit only.
10811 (sse3_monitor64): New. 64bit monitor.
10813 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10816 * config/i386/i386.c (classify_argument): Skip fields with invalid
10819 2006-05-07 Richard Guenther <rguenther@suse.de>
10821 PR tree-optimization/27409
10822 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10823 Do not try to find zero-sized subvars.
10825 2006-05-07 Richard Guenther <rguenther@suse.de>
10827 PR tree-optimization/27136
10828 * tree-ssa-loop-niter.c (get_val_for): Correct function
10829 comment, assert requirements.
10830 (loop_niter_by_eval): Stop processing if the iterated
10831 value did not simplify.
10833 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10835 * opts.c (flag_see): remove its setting at -O3.
10837 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10839 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10840 * arm/constraints.md: New file.
10841 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10842 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10843 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10844 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10845 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10846 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10847 * arm.md: Include constraints.md.
10848 (thumb_movsi_insn): Use satisfies_constraint_J.
10849 (movhi, movqi): Use satisfies_constraint_I.
10851 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10853 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10854 for atmeg a645 device.
10856 2006-05-06 Richard Guenther <rguenther@suse.de>
10858 PR tree-optimization/27151
10859 * tree-vect-transform.c (vectorizable_condition): Punt on
10860 values that have a different type than the condition.
10862 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10865 * c-parser.c (c_parser_cast_expression): Only insert casts into
10866 hash table if pointer.
10867 * function.c (used_types_insert_helper): Rename from
10869 (used_types_insert): Call used_types_insert_helper.
10870 * function.h (used_types_insert): Accept only one argument.
10872 2006-05-05 David Edelsohn <edesohn@gnu.org>
10874 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10875 scratch with output modifier.
10877 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10880 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10881 with output modifier.
10883 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10886 * config/mips/mips.c (mips_symbolic_address_p): Return true
10887 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10888 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10890 2006-05-04 Richard Guenther <rguenther@suse.de>
10892 PR tree-optimization/14287
10893 PR tree-optimization/14844
10894 PR tree-optimization/19792
10895 PR tree-optimization/21608
10896 PR tree-optimization/27090
10897 * tree-ssa-pre.c (try_combine_conversion): New function.
10898 (compute_avail): After constructing the value-handle
10899 expression, use try_combine_conversion to combine NOP_EXPRs
10900 with previous value-handle expressions and use the result if it
10903 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10905 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10907 2006-05-04 Jan Hubicka <jh@suse.cz>
10909 PR middle-end/25962
10910 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10912 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10914 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10915 that this only matches CONST_INTs. All users changed to VOIDmode
10918 * config/bfin/bfin.c: Include "optabs.h".
10919 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10921 (enum bfin_builtins): Add a number of fractional and vector builtins.
10922 (bfin_init_builtins): Likewise.
10923 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10924 (safe_vector_operand, bfin_expand_binop_builtin,
10925 bfin_expand_unop_builtin): New functions.
10926 (bfin_expand_builtin): Handle the new builtins.
10927 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10930 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10933 * Makefile.in (OBJS-common): Add see.o.
10934 (see.o): Add dependencies.
10935 * common.opt (fsee): New flag for the see optimization was added.
10936 * opts.c (flag_see): Initialized.
10937 * passes.c (init_optimization_passes, pass_see): New pass.
10938 * rtl.h (see_main): Declaration as extern.
10939 * timevar.def (TV_SEE): New.
10940 * tree-pass.h (pass_see): Declaration as extern.
10941 * invoke.texi (-fsee): Document.
10942 * recog.c (validate_simplify_insn): New function.
10943 * recog.h (validate_simplify_insn): Declaration as extern.
10944 * df-problems.c (df_chain_dump): Check for NULL.
10946 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10947 Daniel Berlin <dberlin@dberlin.org>
10949 * cfgrtl.c (insert_insn_bb_end_new): New function.
10950 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10952 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10954 * df.h (struct web_entry): Moved from web.c.
10955 (union_defs): Declaration as extern.
10956 (unionfind_root): Likewise.
10957 (unionfind_union): Likewise.
10958 * web.c (struct web_entry): Moved to df.h.
10959 (unionfind_root): Remove static declaration.
10960 (unionfind_union): Likewise.
10961 (union_defs): Likewise and generalize to use callback function.
10962 (web_main): Update arguments for union_defs function call.
10964 2006-05-04 Richard Guenther <rguenther@suse.de>
10966 PR tree-optimization/26447
10967 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10968 produce SSA_NAME copies before the store stmt to avoid
10969 breaking exception handling.
10971 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10973 PR middle-end/27388
10974 * gimplify.c (omp_is_private): If var is shared in some outer context,
10975 return false instead of true. Stop searching on parallel context
10978 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
10981 * coverage.c: Use get_gcov_unsigned_t() instead of
10982 unsigned_type_node all over.
10984 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10986 PR tree-optimization/27381
10987 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10988 maintain the same immediate_use links.
10989 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10990 node rather than segfaulting.
10992 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10995 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10996 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10997 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10999 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11001 Fix PR tree-optimization/26626
11002 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11004 * tree-ssa-operands.c (access_can_touch_variable): Allow
11005 typecasting through union pointers.
11007 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11010 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11011 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11012 to find if var will be a global variable even in the nested context.
11013 (omp_copy_decl): Only check for global variable at the end, it might
11014 be overridden in outer contexts.
11015 (scan_sharing_clauses): For global variables don't create a field.
11016 (lower_rec_input_clauses): Do nothing for global shared variables.
11017 Emit a barrier at the end of ILIST if there were any decls in both
11018 firstprivate and lastprivate clauses.
11019 (lower_send_clauses): Do nothing for global variables except for
11022 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11024 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11025 of the correct signedness is returned.
11027 2006-05-02 Jeff Law <law@redhat.com>
11029 PR tree-optimization/27364
11030 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11031 multiply expressions.
11033 2006-05-02 Tom Tromey <tromey@redhat.com>
11035 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11037 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11040 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11041 -mthumb -fPIC are used.
11043 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11044 Joshua Kinard <kumba@gentoo.org>
11047 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11048 with 64-bit pointers.
11050 2006-05-02 Paul Brook <paul@codesourcery.com>
11052 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11054 (create_fix_barrier): Check that a suitable barrier location is
11056 (arm_reorg): Include ftmp->address in allowable range of addresses.
11058 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11061 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11064 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11066 PR middle-end/27337
11067 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11068 around RESULT_DECL for result passed by reference.
11069 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11070 * omp-low.c (use_pointer_for_field): Don't look at
11071 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11072 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11073 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11074 time or var for passing by reference for
11075 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11076 TREE_ADDRESSABLE variables when passing by reference.
11078 * omp-low.c (dump_omp_region): Fix output formatting.
11080 PR middle-end/27328
11081 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11082 (expand_omp_parallel): Likewise.
11083 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11085 PR middle-end/27325
11086 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11087 on statement list containing also constructors and destructors.
11088 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11090 PR middle-end/27310
11091 * except.c (duplicate_eh_regions): Fix clearing of
11092 cfun->eh->region_array entries.
11094 2006-05-01 DJ Delorie <dj@redhat.com>
11096 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11098 (gcc_cv_objdump): Likewise.
11099 * configure: Regenerated.
11101 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11104 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11105 templates for case 3 and 4.
11107 2006-05-01 DJ Delorie <dj@redhat.com>
11109 * vec.c: Include bconfig.h when appropriate.
11110 * Makefile.in (build/vec.o): Adjust dependencies.
11111 * mkconfig.sh: Make sure config.h isn't used for build machine
11114 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11116 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11118 (mark_phi_for_rewrite): New function.
11119 (insert_phi_nodes_for, mark_use_interesting): Call
11120 mark_phi_for_rewrite.
11121 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11122 (update_ssa): Initialize and free phis_to_rewrite.
11124 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11126 PR rtl-optimization/27291
11127 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11128 folded to a constant.
11130 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11132 PR tree-optimization/27283
11133 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11134 not whole # of iteration descriptions.
11135 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11136 uses abnormal ssa name.
11137 (niter_for_single_dom_exit): Ditto.
11138 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11139 return just the number of iterations.
11141 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11143 PR tree-optimization/27144
11144 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11145 (record_estimate): Only record constant upper bound.
11146 (infer_loop_bounds_from_undefined): Call
11147 compute_estimated_nb_iterations just once.
11148 (proved_non_wrapping_p): Renamed to ...
11149 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11150 (convert_step_widening, scev_probably_wraps_p): Call
11151 n_of_executions_at_most instead of proved_non_wrapping_p.
11152 (substitute_in_loop_info): Do not replace values in bounds.
11153 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11156 2006-05-01 Richard Henderson <rth@redhat.com>
11159 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11160 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11163 2006-05-01 Roger Sayle <roger@eyesopen.com>
11165 * c-typeck.c (parser_build_binary_op): Don't call the function
11166 unsigned_conversion_warning to spot operand/result type overflow.
11167 (build_binary_op): Instead, call convert_and_check instead of
11168 convert to report the problem when the operands are promoted.
11169 * c-common.c (unsigned_conversion_warning): Make static.
11170 * c-common.h (unsigned_conversion_warning): Delete prototype.
11172 2006-05-01 Richard Guenther <rguenther@suse.de>
11174 PR tree-optimization/26726
11175 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11177 (find_interesting_uses_address): ... we work around here
11178 by folding INDIRECT_REFs in the substituted base.
11180 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11182 * omp-low.c (dump_omp_region): Add newlines.
11184 2006-04-30 Roger Sayle <roger@eyesopen.com>
11186 * common.opt (Woverflow): New command line option.
11187 * c-common.c (constant_expression_warning): Check warn_overflow.
11188 (overflow_waring): Pass OPT_Woverflow to warning.
11189 (unsigned_conversion_warning): Likewise.
11190 (convert_and_check): Likewise.
11191 * doc/invoke.texi: Document new command line option.
11193 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11195 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11196 TARGET_NO_FP_IN_TOC for section anchors.
11197 (optimization_options): Enable section anchors for all
11198 non-"Objective" languages.
11200 2006-04-28 Eric Christopher <echristo@apple.com>
11202 * config/darwin-c.c (darwin_ms_struct): Move this
11203 (darwin_set_default_type_attributes): and this...
11204 * config/darwin.c: ... here.
11205 * config/darwin.h (darwin_ms_struct): Declare.
11207 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11209 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11211 2006-04-28 Roger Sayle <roger@eyesopen.com>
11214 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11215 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11216 an unsigned HOST_WIDE_INT.
11217 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11219 (really_start_incremental_init): No need to call convert because
11220 bitsize_zero_node is already of type bitsizetype.
11221 (push_init_level): Extract the value of constructor_index as an
11222 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11223 (process_init_element): Likewise.
11225 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11227 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11228 value before passing to make_relative_prefix.
11230 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11232 PR middle-end/27260
11233 * builtins.c (expand_builtin_memset): Expand val in original mode.
11235 2006-04-27 Eric Christopher <echristo@apple.com>
11237 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11238 with #ifndef/#endif.
11239 * config/darwin-c.c (darwin_ms_struct): New.
11240 (darwin_pragma_ms_struct): Ditto.
11241 (darwin_set_default_type_attributes): Ditto.
11242 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11243 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11244 Register ms_struct pragma.
11245 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11246 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11247 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11248 darwin_set_default_type_attributes if TARGET_MACHO.
11250 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11252 PR tree-optimization/26854
11253 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11254 * doc/tree-ssa.texi: Update immuse iterator documentation.
11255 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11256 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11257 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11258 first_safe_imm_use, next_safe_imm_use): Remove.
11259 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11260 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11261 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11262 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11263 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11264 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11265 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11266 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11267 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11268 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11269 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11270 (perfect_nestify): Use new iterator.
11271 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11273 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11274 (next_imm_name): New field in struct immediate_use_iterator_d.
11275 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11276 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11277 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11278 * tree-cfg.c (replace_uses_by): Use new iterator.
11279 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11280 * tree-ssa-operands.c (correct_use_link): Remove.
11281 (finalize_ssa_use_ops): No longer call correct_use_link.
11283 2006-04-27 Stuart Hastings <stuart@apple.com>
11285 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11286 * config/t-darwin (crt3.o): Use it.
11287 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11288 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11289 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11290 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11291 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11294 2006-04-27 Roger Sayle <roger@eyesopen.com>
11296 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11297 size, force the intermediate into a new pseudo rather instead of
11298 performing both a bitwise AND and a bitwise IOR in memory.
11300 2006-04-27 Richard Guenther <rguenther@suse.de>
11302 PR rtl-optimization/26685
11303 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11304 this one "max-flow-memory-locations".
11306 2006-04-27 Richard Guenther <rguenther@suse.de>
11308 PR tree-optimization/25148
11309 * tree-vrp.c (compare_values): Remove code dealing with
11310 comparisons against type min/max value. Honour overflow
11311 and negative constants in code dealing with comparisons
11312 of plus and minus expressions.
11313 (value_inside_range): Use fold_binary with LE_EXPR and
11314 GE_EXPR rather than compare_values.
11316 2006-04-27 Dirk Mueller <dmueller@suse.de>
11318 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11321 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11323 * basic-block.h (safe_insert_insn_on_edge): Removed.
11324 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11326 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11327 Paolo Bonzini <bonzini@gnu.org>
11329 PR middle-end/27282
11330 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11331 (simplify_and_const_int): Same.
11333 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11335 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11337 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11340 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11341 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11342 cgraph_global_info_ready.
11344 PR middle-end/26913
11345 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11348 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11349 either decl or init is error_mark_node.
11351 PR middle-end/25989
11352 * tree-flow.h (struct omp_region): Add sched_kind.
11353 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11354 instead of extracting omp for data.
11355 (expand_omp_for): Save extracted sched_kind.
11357 2006-04-25 Roger Sayle <roger@eyesopen.com>
11359 * expmed.c (store_bit_field): Also check whether the bitsize is
11360 valid for the machine's "insv" instruction before moving the
11361 target into a pseudo for use with the insv.
11362 * config/i386/predicates.md (const8_operand): New predicate.
11363 * config/i386/i386.md (extv, extzv, insv): Use the new
11364 const8_operand predicate where appropriate.
11366 2006-04-25 DJ Delorie <dj@redhat.com>
11368 * doc/install.texi (Specific): Clarify that this is not a list of
11369 supported hosts or targets.
11371 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11373 PR rtl-optimization/26725
11374 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11375 block's BB_DIRTY flag.
11377 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11379 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11382 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11383 to print an integer.
11385 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11387 * varasm.c (align_variable): New function.
11388 (get_block_for_decl): Apply align_variable to DECL before
11389 calculating section information.
11390 (assemble_variable): Split out alignment computation.
11392 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11394 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11397 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11399 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11400 MODE_PARTIAL_INT mode.
11401 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11402 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11404 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11405 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11407 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11409 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11411 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11412 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11413 MACFLAG_IH): Likewise.
11414 (movstricthi_1): Renamed from "*movstricthi".
11415 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11416 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11417 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11418 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11419 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11420 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11421 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11422 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11423 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11424 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11425 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11426 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11427 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11428 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11429 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11431 * doc/rtl.texi (ss_ashift): Improve wording.
11433 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11435 * dwarf2out.c (verify_marks_clear): New.
11436 (prune_unused_types): Call verify_marks_clear initially, not
11439 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11441 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11442 * doc/rtl.texi: Document them.
11443 * simplify-rtx.c (simplify_unary_operation,
11444 simplify_binary_operation_1): Don't abort when we see them.
11446 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11449 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11450 * configure.ac: Completely disregard languages that are not
11452 * configure: Regenerated.
11454 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11455 Richard Guenther <rguenther@suse.de>
11457 PR tree-optimization/27236
11458 * tree-inline.c (copy_body_r): Make sure to copy
11459 TREE_THIS_VOLATILE flag.
11461 2006-04-24 Richard Guenther <rguenther@suse.de>
11463 PR middle-end/26869
11464 * tree-complex.c (update_parameter_components): Don't handle
11465 unused parameters which have no default def.
11467 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11468 Richard Guenther <rguenther@suse.de>
11470 PR tree-optimization/27218
11471 * tree-inline.c (expand_call_inline): Strip useless type
11472 conversions for the return slot address.
11474 2006-04-24 Richard Guenther <rguenther@suse.de>
11476 * cfgloop.h (struct loops): Remove unused field array. Reorder
11478 (LOOP_PREFETCH): Remove.
11480 2006-04-24 Richard Guenther <rguenther@suse.de>
11482 PR tree-optimization/22525
11483 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11484 variable, adjust types of generated expressions.
11486 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11488 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11489 (tree-vect-patterns.o): Likewise.
11490 (jump.o): Likewise.
11491 (cselib.o): Likewise.
11492 (loop-doloop.o): Likewise.
11493 (regclass.o): Likewise.
11494 (reload1.o): Likewise.
11495 (explow.o): Replace target.h with $(TARGET_H).
11496 (ipa-prop.o): Likewise.
11497 (ipa-cp.o): Likewise.
11498 (ipa-inline.o): Likewise.
11499 (reorg.o): Likewise.
11500 (reg-stack.o): Likewise.
11502 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11504 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11506 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11508 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11510 * configure.ac: Completely disregard languages that are not
11512 * configure: Regenerated.
11515 * c-common.h (c_build_bitfield_integer_type): Declare.
11516 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11517 * c-common.c (c_build_bitfield_integer_type): ... here.
11519 2006-04-23 Roger Sayle <roger@eyesopen.com>
11522 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11523 a SImode SUBREG of a floating point register after no_new_pseudos.
11525 2006-04-23 Roger Sayle <roger@eyesopen.com>
11527 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11528 identify potentially eliminable registers to additionally catch
11529 VIRTUAL_INCOMING_ARGS_REGNUM.
11530 (addsi3): Update the conditions on when to use addsi_small_int.
11532 2006-04-23 Roger Sayle <roger@eyesopen.com>
11535 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11536 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11537 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11539 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11541 * fold-const.c (range_predecessor): Use operand_equal_p
11542 as the predicate for equality.
11543 (range_successor): Likewise.
11545 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11548 * config/soft-fp/op-common.h: Fix a typo.
11550 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11552 PR libmudflap/26864
11553 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11554 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11556 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11558 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11560 * doc/tm.texi: Fix a typo.
11562 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11564 * dwarf2out.c (struct die_struct): Document that die_sib makes
11565 a circular linked list.
11566 (FOR_EACH_CHILD): New.
11567 (reverse_die_lists): Delete.
11568 (reverse_all_dies): Delete.
11569 (add_dwarf_attr): Correct documentation.
11570 (remove_child_with_prev): New.
11571 (remove_child_TAG): Update for change to die_struct, use
11572 remove_child_with_prev.
11573 (add_child_die): Update for change to die_struct.
11574 (splice_child_die): Use remove_child_with_prev and add_child_die.
11575 (print_die): Use FOR_EACH_CHILD.
11576 (die_checksum): Likewise.
11577 (assign_symbol_names): Likewise.
11578 (output_location_lists): Likewise.
11579 (build_abbrev_table): Likewise.
11580 (calc_die_sizes): Likewise.
11581 (mark_dies): Likewise.
11582 (unmark_dies): Likewise.
11583 (unmark_all_dies): Likewise.
11584 (output_die): Likewise.
11585 (prune_unused_types_mark): Likewise.
11586 (prune_unused_types_walk): Likewise.
11587 (same_die_p): Update for change to die_struct.
11588 (break_out_includes): Likewise.
11589 (prune_unused_types_prune): Likewise.
11590 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11591 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11592 it's already clear.
11593 (dwarf2out_finish): Don't call reverse_all_dies.
11595 2006-04-21 Eric Christopher <echristo@apple.com>
11597 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11598 in comments and function names.
11600 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11603 * c-typeck.c (digest_init): Robustify.
11605 * c-typeck.c (pop_init_level): Simplify.
11607 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11609 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11611 2006-04-21 Paul Brook <paul@codesourcery.com>
11613 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11614 hardware floating point.
11616 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11618 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11621 2006-04-21 Nick Clifton <nickc@redhat.com>
11623 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11626 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11629 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11630 C++ lang type in traceback table for Objective-C++.
11632 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11634 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11636 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11638 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11641 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11642 were errors. Remove check for erroneous objects.
11644 2006-04-20 Jeff Law <law@redhat.com>
11646 PR tree-optimization/26854
11647 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11648 checking for zero or one use.
11649 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11650 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11651 * tree-ssa-reassoc.c (negate_value): Similarly.
11652 (reassociate_bb): Similarly.
11654 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11656 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11657 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11658 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11660 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11662 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11663 fp regs if the last fp arg doesn't fit in regs.
11665 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11668 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11669 that the last insn has the REG_INC note.
11671 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11672 Nathan Sidwell <nathan@codesourcery.com>
11675 * stor-layout.c (update_alignment_for_field): Do not align
11677 (place_union_field): Place union field at the start of the union.
11678 (place_field): Move ERROR_MARK check later, and use the current
11679 allocation position to maintain monotonicity.
11681 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11683 * dominance.c: Include timevar.h.
11684 (calculate_dominance_info): Use TV_DOMINANCE.
11685 * timevar.def (TV_DOMINANCE): New timevar.
11686 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11688 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11690 PR rtl-optimization/14261
11691 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11692 move would be an INSV insn.
11693 (noce_process_if_block): Don't optimize if the destination is a
11694 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11696 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11698 * config/s390/s390.md: Add comments with the instructions emitted
11699 by an insn pattern if macros are used.
11701 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11703 PR rtl-optimization/26026
11704 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11705 is a known power of two shifted left a variable amount.
11707 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11709 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11710 to hash table twice when the debug_str section has SECTION_MERGE.
11712 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11714 * config/soft-fp: New directory. From glibc.
11715 * config/soft-fp/t-softfp: New.
11716 * config/soft-fp/README: New.
11717 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11718 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11719 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11720 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11721 * config.gcc: Use rs6000/t-fprules-fpbit or
11722 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11724 * config/rs6000/sfp-machine.h: New. Based on glibc.
11725 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11727 * config/rs6000/t-fprules: Remove fp-bit rules.
11728 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11729 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11730 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11731 (softfp_wrap_start, softfp_wrap_end): New.
11733 2006-04-18 DJ Delorie <dj@redhat.com>
11735 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11737 2006-04-18 Devang Patel <dpatel@apple.com>
11739 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11741 2006-04-18 Nick Clifton <nickc@redhat.com>
11743 * config/sh/t-symbian: Add rule to build sh-c.o
11744 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11745 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11746 (sh_symbian_encode_section_info): Likewise.
11748 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11750 * builtins.c (expand_builtin_strcmp): Cover label definition of
11751 do_libcall with HAVE_cmpstrnsi.
11753 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11755 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11757 * function.h (temp_slot_p): New.
11758 (function): Change the type of x_used_temp_slots to
11759 VEC(temp_slot_p,gc) *.
11761 2006-04-18 Nick Clifton <nickc@redhat.com>
11763 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11764 flag_strength_reduce.
11766 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11768 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11772 Partial revert of revision 112637
11773 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11774 Dale Johannesen <dalej@apple.com>
11777 * regclass.c (struct reg_pref): Update documentation.
11778 (regclass): Set prefclass to NO_REGS if memory is the best option.
11779 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11781 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11783 PR tree-optimization/26821
11784 * tree-ssa-math-opts.c (get_constant_one): New.
11785 (insert_reciprocals): Use it.
11787 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11789 * dwarf2out.c (free_AT): Delete.
11790 (remove_AT): Update string ref counts.
11791 (remove_child_TAG): Don't call free_die.
11792 (free_die): Delete.
11793 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11794 or DW_TAG_GNU_EINCL.
11795 (prune_unused_types_walk_attribs): Reset string refcounts.
11796 (prune_unused_types_update_strings): New.
11797 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11798 call free_die. Do call prune_unused_types_update_strings.
11799 (prune_unused_types): Empty debug_str_hash.
11801 2006-04-17 Roger Sayle <roger@eyesopen.com>
11803 * expr.c (expand_assignment): Optimize away no-op moves where the
11804 source and destination are equal and have no side-effects.
11806 2006-04-17 Richard Guenther <rguenther@suse.de>
11809 * reload.c (push_reload): Guard calls to get_secondary_mem
11810 for memory subregs.
11812 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11814 * alias.c (reg_base_value, old_reg_base_value): Change the
11815 type to VEC(rtx,gc) *.
11816 (REG_BASE_VALUE, find_base_value, record_set,
11817 init_alias_analysis): Use VEC instead of VARRAY.
11819 * alias.c (alias_sets): Change the type to
11820 VEC(alias_set_entry,gc) *.
11821 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11822 VEC instead of VARRAY.
11823 (last_alias_set): Remove.
11825 * cgraph.h (cgraph_edge_p): New.
11826 Update the prototype of cgraph_function_versioning.
11827 * cgraphunit.c (cgraph_copy_node_for_versioning,
11828 cgraph_function_versioning): Use VEC instead of VARRAY.
11829 * ipa-cp.c (ipcp_insert_stage): Likewise.
11831 2006-04-16 Roger Sayle <roger@eyesopen.com>
11834 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11835 "A op B" or "A op C", we may need to convert A to the type of B and C.
11837 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11839 * target.h (struct gcc_target): Add mode_rep_extended.
11840 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11841 (init_num_sign_bit_copies_in_rep): Initialize it using
11843 (truncate_to_mode): Use it.
11844 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11845 * targhooks.h (default_mode_rep_extended): Declare it.
11846 * targhooks.c (default_mode_rep_extended): Define it.
11847 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11848 default_mode_rep_extended.
11849 (TARGET_INITIALIZER): Include it.
11850 * doc/tm.texi (Misc): Document it.
11851 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11852 (mips_truncated_to_mode): New function.
11854 2006-04-16 Roger Sayle <roger@eyesopen.com>
11856 PR middle-end/25474
11857 * expr.c (compress_float_constant): Copy the narrow constant into
11858 a new pseudo before extending it to its final width.
11860 2006-04-16 Roger Sayle <roger@eyesopen.com>
11861 Andrew Pinski <pinskia@gcc.gnu.org>
11862 Dale Johannesen <dalej@apple.com>
11865 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11866 special case code to implement V8HImode and V16QImode with SSE2.
11868 2006-04-15 Roger Sayle <roger@eyesopen.com>
11870 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11871 trees are constructed with a suitable tree type.
11873 2006-04-15 Roger Sayle <roger@eyesopen.com>
11875 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11876 (integer_onep): Likewise.
11877 (integer_all_onesp): Likewise.
11878 (integer_pow2p): Likewise.
11879 (integer_nonzerop): Likewise.
11880 (real_zerop): Likewise.
11881 (real_onep): Likewise.
11882 (real_twop): Likewise.
11883 (real_minus_onep): Likewise.
11884 (int_size_in_bytes): Likewise.
11885 (host_integerp): Likewise.
11887 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11889 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11890 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11891 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11893 * tree-ssa-structalias.h (alias_info): Remove num_references.
11895 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11897 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11898 (output_bvb patterns): Likewise.
11899 * pa.c (output_bb): Use 'bb' insn for long branch case.
11900 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11901 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11902 1. Correct length operand for alternatives 1 and 2.
11903 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11904 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11906 2006-04-14 Roger Sayle <roger@eyesopen.com>
11908 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11909 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11910 were accidentally reverted by r112959.
11912 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11914 PR middle-end/26823
11915 * except.h (eh_region_outermost): New prototype.
11916 * except.c (eh_region_outermost): New function.
11917 * tree-cfg.c (find_outermost_region_in_block): Use it.
11919 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11921 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11923 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11924 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11925 (init_reload, reload): Use VEC instead of VARRAY.
11926 * reload.h: Update the prototype for
11927 reg_equiv_memory_loc_varray.
11929 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11930 Eric Botcazou <ebotcazou@libertysurf.fr>
11932 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11933 register save area.
11935 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11937 PR middle-end/27134
11938 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11939 to expand fallback builtin function call.
11941 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11943 PR middle-end/27095
11944 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11945 and emit libcall here in case the builtin fails.
11946 (expand_builtin_strcmp): Always emit the libcall here on failure.
11948 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11950 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11951 * flow.c (reg_n_info): Change the type to
11952 VEC(reg_info_p,heap) *.
11953 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11955 * regs.h (reg_info_p): New.
11956 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11957 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11958 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11961 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11963 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11965 * params.h (MAX_SCHED_READY_INSNS): New macro.
11966 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11967 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11968 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11969 the ready list for 1 cycle during the first scheduling pass.
11970 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11972 2006-04-13 Richard Henderson <rth@redhat.com>
11975 * gimple-low.c (lower_omp_directive): Remove dead code.
11976 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
11977 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
11978 * omp-low.c (struct omp_region): Move to tree-flow.h.
11979 (root_omp_region): Export.
11980 (omp_regions, lookup_omp_region): Remove.
11981 (determine_parallel_type): Update for struct omp_region changes.
11982 (dump_omp_region): Dump regions with block numbers.
11983 (new_omp_region): Take type and block instead of stmt; malloc
11985 (free_omp_region_1, free_omp_regions): New.
11986 (expand_parallel_call): Take entry_stmt as argument; update for
11987 changes to omp_region.
11988 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11989 (remove_exit_barriers): New.
11990 (expand_omp_parallel): Update for struct omp_region changes.
11991 (expand_omp_synch): Likewise.
11992 (expand_omp): Likewise.
11993 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11994 (expand_omp_for_static_chunk): Likewise.
11995 (expand_omp_for): Likewise.
11996 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11997 (expand_omp_sections): Similarly, with GOMP_sections_end.
11998 (expand_omp_single): New.
11999 (build_omp_regions_1): Update for OMP_CONTINUE.
12000 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12001 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12002 OMP_SECTIONS_SECTIONS.
12003 (lower_omp_single_simple): Don't emit barrier here.
12004 (lower_omp_single_copy): Likewise.
12005 (lower_omp_single): Fix bindings, and lower to straightline now.
12006 (lower_omp_master, lower_omp_ordered): Likewise.
12007 (lower_omp_critical): Likewise.
12008 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12009 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12010 omp edges, free it afterward.
12011 (make_omp_sections_edges): Remove.
12012 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12013 (move_stmt_r): Handle OMP_CONTINUE.
12014 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12015 statement pointers to basic blocks. Add type member.
12016 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12017 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12018 * tree-inline.c (estimate_num_insns_1): Likewise.
12019 * tree-pretty-print.c (dump_generic_node): Likewise.
12020 * tree-ssa-operands.c (get_expr_operands): Likewise.
12021 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12022 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12023 (OMP_CONTINUE): New.
12024 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12025 (OMP_SECTIONS_SECTIONS): Remove.
12026 (OMP_SECTION_LAST): New.
12027 (OMP_RETURN_NOWAIT): New.
12029 2006-04-13 Roger Sayle <roger@eyesopen.com>
12031 * fold-const.c (native_encode_vector, native_interpret_real):
12032 Correct obvious mistakes in the previous check-in.
12034 2006-04-13 Roger Sayle <roger@eyesopen.com>
12036 * fold-const.c (native_encode_expr): New function to encode
12037 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12038 or VECTOR_CST into a specified buffer.
12039 (native_encode_int): New function.
12040 (native_encode_real): New function.
12041 (native_encode_complex): New function.
12042 (native_encode_vector): New function.
12043 (native_interpret_expr): Inverse of native_encode_expr to convert
12044 a target representation into an INTEGER_CST, REAL_CST etc...
12045 (native_interpret_int): New function.
12046 (native_interpret_real): New function.
12047 (native_interpret_complex): New function.
12048 (native_interpret_vector): New function.
12049 (fold_view_convert_expr): New function to constant fold/evaluate
12050 a VIEW_CONVERT_EXPR of a suitable constant expression.
12051 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12052 Change call of build1 to fold_build1 when constructing a
12055 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12056 Ulrich Weigand <uweigand@de.ibm.com>
12059 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12062 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12065 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12066 optimize to lo_sum for DFmode if !TARGET_FPRS.
12068 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12070 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12071 delete_alias_info, compute_flow_sensitive_aliasing,
12072 group_aliases): Use VEC instead of VARRAY.
12073 * tree-ssa-structalias.c (update_alias_info): Likewise.
12074 * tree-ssa-structalias.h (alias_info): Change the type of
12075 processed_ptrs to VEC(tree,heap) *.
12077 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12080 * config/sh/lib1funcs.h: New file, broken out of:
12081 * config/sh/lib1funcs.asm.
12082 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12084 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12085 * config/sh/lib1funcs-Os-4-200.asm: New file.
12086 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12087 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12088 (EXTRA_MULTILIB_PARTS): Include it.
12089 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12090 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12091 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12092 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12095 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12097 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12098 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12099 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12101 * tree-ssa-live.h: Include vecprim.h.
12102 (tree_partition_associator_d): Change the type of
12103 first_partition to VEC(int,heap) *.
12104 (tpa_first_partition): Use VEC instead of VARRAY.
12106 * Makefile.in (GTFILES): Move functions.h after tree.h.
12107 * function.c (reset_block_changes, record_block_change,
12108 check_block_change, free_block_changes): Use VEC instead of
12110 * function.h (function): Change the type of
12111 ib_boundaries_block to VEC(tree,gc) *.
12112 * tree-inline.c (copy_cfg_body): Initialize
12113 ib_boundaries_block to NULL instead of (varray_type) 0.
12115 2006-04-12 Roger Sayle <roger@eyesopen.com>
12117 * expr.c (emit_group_store): Correct operand order in call to
12118 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12119 a SUBREG_BYTE of zero.
12121 2006-04-12 Richard Guenther <rguenther@suse.de>
12123 * profile.c (compute_branch_probabilities): Remove code
12124 encapsulated in !ir_type (), which are remanents of the
12125 removed RTL profiling code.
12126 * rtl-profile.c: Remove.
12128 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12130 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12131 magic NULL_RTX comment.
12132 (function_arg): Store entire fp arg to mem if any part should go
12134 (rs6000_arg_partial_bytes): Adjust for above change.
12136 2006-04-11 Roger Sayle <roger@eyesopen.com>
12138 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12139 if it hasn't been initialized by dwarf2out_init.
12141 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12143 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12144 symbolic constants in branch patterns.
12146 2006-04-11 Roger Sayle <roger@eyesopen.com>
12148 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12150 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12152 PR rtl-optimization/27073
12153 * gcse.c (try_replace_reg): Revert last change. Continue to search
12154 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12157 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12159 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12160 aggregate types other than record and union types.
12161 (function_arg): Likewise.
12162 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12164 (function_value): In 64-bit mode, return objects that require it
12167 2006-04-11 Roger Sayle <roger@eyesopen.com>
12169 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12171 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12173 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12175 2006-04-03 Jeff Law <law@redhat.com>
12178 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12179 alias information too.
12181 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12183 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12185 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12188 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12189 (premark_used_types_helper): New.
12190 (premark_used_types): New.
12191 (gen_subprogram_die): Call premark_used_types.
12192 (prune_unused_types_walk): Do not prune perennial dies.
12193 * function.c (used_types_insert): New.
12194 * function.h (struct function): Add used_types_hash field.
12195 (used_types_insert): Add prototype.
12196 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12197 * c-parser.c (c_parser_cast_expression): Save casted types in used
12200 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12203 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12204 rs6000_explicit_options.float_gprs.
12206 2006-04-10 Roger Sayle <roger@eyesopen.com>
12208 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12209 from ix86_expand_vector_init_low_nonzero. Take an additional
12210 one_var argument indicating which element is non-zero. Support
12211 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12212 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12213 with one_var instead of ix86_expand_vector_init_low_nonzero.
12215 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12217 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12218 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12219 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12220 build/genextract.o): Depend on vecprim.h.
12221 * cfglayout.c, df-problems.c, function.c, genextract.c,
12222 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12223 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12227 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12229 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12230 Declare VECs of this type.
12231 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12232 (remove_children): Delete.
12233 (add_dwarf_attr): Use VEC routines.
12234 (add_AT_flag): Update for changes to add_dwarf_attr.
12235 (add_AT_int): Likewise.
12236 (add_AT_unsigned): Likewise.
12237 (add_AT_long_long): Likewise.
12238 (add_AT_vec): Likewise.
12239 (add_AT_string): Likewise.
12240 (add_AT_die_ref): Likewise.
12241 (add_AT_fde_ref): Likewise.
12242 (add_AT_loc): Likewise.
12243 (add_AT_loc_list): Likewise.
12244 (add_AT_addr): Likewise.
12245 (add_AT_lbl_id): Likewise.
12246 (add_AT_lineptr): Likewise.
12247 (add_AT_macptr): Likewise.
12248 (add_AT_offset): Likewise.
12249 (add_AT_range_list): Likewise.
12250 (get_AT): Use VEC_iterate.
12251 (remove_AT): Use VEC_ordered_remove.
12252 (free_die): Fold remove_children into here; have it use VEC_iterate.
12253 (print_die): Use VEC_iterate on attrs.
12254 (reverse_die_lists): Don't reverse attr lists.
12255 (die_checksum): Use VEC_iterate on attrs.
12256 (same_die_p): Likewise.
12257 (output_location_lists): Likewise.
12258 (build_abbrev_table): Likewise.
12259 (size_of_die): Likewise.
12260 (unmark_all_dies): Likewise.
12261 (output_abbrev_section): Likewise.
12262 (output_die): Likewise.
12263 (prune_unused_types_walk_attribs): Likewise.
12265 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12267 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12269 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12272 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12274 2006-04-09 Roger Sayle <roger@eyesopen.com>
12276 * expr.c (store_constructor): Don't bother clearing target if
12277 we're about to assign a vector to it using vec_init_optab.
12279 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12281 * tree-ssa-alias.c (lhs_may_store_to): New function.
12282 (recalculate_used_alone): Handle LHS of calls.
12284 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12288 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12289 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12290 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12291 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12292 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12293 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12294 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12295 stubs. Add ".align 8" directives before all ".dword" directives.
12296 (GTHREAD_USE_WEAK): Revise comment.
12297 (TARGET_ATTRIBUTE_WEAK): Define.
12298 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12299 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12300 * stublib.c: New file.
12305 * pa.md (cbranch patterns): Revise arguments used in calls to
12306 output_cbranch, output_bb and output_bvd. Add long branch length
12308 (fbranch patterns): Handle long branches.
12309 (jump): Revise length check. Revise arguments for output_lbranch call.
12310 Add long branch length attributes.
12311 (decrement_and_branch_until_zero): Add long branch length attributes.
12312 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12313 Likewise. Revise arguments for output_parallel_addb and
12314 output_parallel_movb calls.
12315 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12316 output_parallel_movb and output_parallel_addb): Update prototypes.
12317 * pa.c (output_cbranch): Revise arguments. Correct handling of
12318 nullification in long branches.
12319 (output_lbranch): Add new argument to control extraction of delay
12321 (output_bb): Handle long branches.
12322 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12323 output_parallel_addb): Likewise.
12325 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12327 PR rtl-optimization/27073
12328 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12331 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12333 * tree.h (tree_memory_tag): Add old_used_alone.
12334 (SMT_OLD_USED_ALONE): New macro.
12335 * tree-ssa-alias.c (recalculate_used_alone): Stop
12336 marking things for renaming unnecessarily.
12338 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12340 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12341 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12342 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12343 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12344 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12345 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12346 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12347 spelling convensions.
12348 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12349 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12350 typos. Follow spelling conventions.
12352 2006-04-07 DJ Delorie <dj@redhat.com>
12354 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12355 passed on the stack.
12356 (m32c_init_cumulative_args): When a function returns a structure,
12357 always pass the pointer to that return area on the stack.
12358 (m32c_function_arg_advance): Don't increment the parameter number
12359 if we're processing the returned structure pointer.
12360 (pushm_info): Reverse order of registers.
12362 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12364 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12365 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12366 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12367 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12368 build_int_cst_type.
12369 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12370 chrec_fold_multiply): Same.
12371 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12372 force_expr_to_var_cost): Same.
12373 * tree-mudflap.c (mf_xform_derefs_1): Same.
12374 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12376 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12378 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12379 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12382 2006-04-07 Jan Hubicka <jh@suse.cz>
12384 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12386 2006-04-07 Richard Guenther <rguenther@suse.de>
12388 PR tree-optimization/26135
12389 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12390 loads for store copy-prop.
12391 (copy_prop_visit_stmt): Likewise.
12393 2006-04-05 Robert Millan <robertmh@gnu.org>
12395 * config/i386/linux.h: Add a comment to mark macros that are
12396 being overriden in config/k*bsd-gnu.h.
12397 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12399 * config/knetbsd-gnu.h: Ditto.
12401 2006-04-06 Jan Hubicka <jh@suse.cz>
12405 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12408 2006-04-06 Mike Stump <mrs@apple.com>
12410 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12411 for HAVE_nonlocal_goto to be consistent.
12412 (expand_builtin_nonlocal_goto): Likewise.
12413 (expand_builtin_strcmp): Use #ifdef instead of #if
12414 for HAVE_cmpstrnsi to be consistent.
12416 2006-04-05 DJ Delorie <dj@redhat.com>
12418 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12421 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12423 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12424 got-relative addressing for anything but SImode.
12426 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12427 even if the calling function doesn't modify them.
12429 2006-04-05 Richard Guenther <rguenther@suse.de>
12431 PR tree-optimization/26919
12432 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12433 to cgraph_estimate_size_after_inlining.
12435 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12437 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12439 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12441 PR tree-optimization/26996
12442 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12443 VECTOR_TYPE variables.
12445 2006-04-05 Richard Guenther <rguenther@suse.de>
12447 PR tree-optimization/26763
12448 * fold-const.c (fold_comparison): Move folding of
12449 PTR + CST CMP PTR + CST ...
12450 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12452 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12454 * doc/install.texi (Prerequisites): Refine some wording on
12455 bootstrapping and ksh.
12456 Move the version numbers of DejaGnu here from the testing section
12457 and fix casing of names.
12458 Fix markup and clarify wording for autogen requirements.
12459 Refer to GCJ instead of just java.
12460 Refer to SVN instead of CVS.
12461 Describe diffutils as useful instead of necessary.
12462 (Downloading the source): Refer to SVN instead of CVS.
12463 Adjust a link to our web site accordingly.
12464 (Configuration): Fix casing of Bison.
12465 (Building): Refer to SVN instead of CVS.
12466 Fix a sentence on the use of Bison and remove duplicate (and
12467 incorrect) version number of Bison requirement.
12468 Remove one redundant list of packages needed for building.
12469 (Specific): Avoid reference to CVS.
12471 2006-04-04 Eric Christopher <echristo@apple.com>
12473 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12474 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12475 (rs6000_handle_struct_attribute): New.
12476 (rs6000_ms_bitfield_layout_p): Ditto.
12478 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12480 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12481 NULL for dso parameter to atexit_common.
12483 2006-04-04 Eric Christopher <echristo@apple.com>
12485 * config/i386/i386.c (machopic_output_stub): Output \t
12486 between instructions and operands.
12488 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12490 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12491 satisfies_constraint_[IL] to explicit tests on value.
12493 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12495 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12496 set_nb_iterations_in_loop): Use build_int_cst instead of
12497 build_int_cst_type.
12498 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12499 build_int_cst instead of convert.
12501 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12503 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12504 new value 2 for incoming.
12505 * function.c (expand_function_start): Call struct_value_rtx
12506 with incoming as 2.
12507 * config/sparc/sparc.md: Comment updated_return.
12508 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12509 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12510 struct return if sparc_std_struct_return and incoming is 2.
12511 (print_operand): Do not adjust return if
12512 sparc_std_struct_return.
12514 2006-04-04 Roger Sayle <roger@eyesopen.com>
12516 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12517 convert in the middle-end.
12518 * expr.c (store_expr, store_constructor, get_inner_reference,
12519 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12521 * tree.c (build_range_type): Likewise.
12523 2006-04-04 Tom Tromey <tromey@redhat.com>
12525 * doc/install.texi (Prerequisites): Mention jar.
12527 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12529 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12532 2006-04-04 Matthias Klose <doko@debian.org>
12534 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12538 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12541 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12543 * doc/extend.texi (Function Attributes): Rewrite visibility
12544 attribute documentation.
12545 * doc/invoke.texi (C++ Dialect Options): Rewrite
12546 -fvisibility-inlines-hidden documentation to describe something
12547 entirely different, although in practise compatible.
12548 (Code Gen Options): Warn about system headers in -fvisibility=
12551 * doc/extend.texi (Other Builtins): Document that
12552 __builtin_nan is a compile-time constant only when its argument
12555 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12557 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12558 trying to remove TRUNCATE check if all bits outside the new mode
12559 are identical to the sign bit.
12561 2006-04-03 Jeff Law <law@redhat.com>
12563 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12564 and operand scanning in some common cases.
12566 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12567 Dale Johannesen <dalej@apple.com>
12570 * regclass.c (struct reg_pref): Update documentation.
12571 (regclass): Set prefclass to NO_REGS if memory is the best option.
12572 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12573 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12574 into account. For non-registers, equate an empty preferred
12575 reload class to a `!' in the constraint; move the if clause to
12576 do so after those that reject the insn.
12577 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12579 (find_dummy_reload): Likewise.
12580 * doc/tm.texi (Register Classes): Document what it means
12581 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12582 * config/i386/i386.c (ix86_preferred_reload_class): Force
12583 using SSE registers (and return NO_REGS for floating-point
12584 constants) if math is done with SSE.
12585 (ix86_preferred_output_reload_class): New.
12586 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12587 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12588 * config/i386/i386.md: Remove # register preferences.
12590 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12593 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12594 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12595 the type of nb_iter.
12596 (instantiate_parameters_1): Convert the operands before calling
12597 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12598 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12600 2006-04-02 Roger Sayle <roger@eyesopen.com>
12602 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12603 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12604 instead of convert.
12605 * dojump.c (do_jump): Likewise.
12606 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12607 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12608 gimplify_boolean_expr): Likewise.
12609 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12610 * varasm.c (array_size_for_constructor): Likewise.
12611 * tree-object-size.c (compute_object_offset): Likewise.
12613 2006-04-02 Roger Sayle <roger@eyesopen.com>
12615 PR middle-end/26977
12616 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12617 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12619 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12621 PR tree-optimization/26939
12622 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12624 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12626 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12627 at_stmt. Convert the type of operands before calling
12628 build_polynomial_chrec.
12629 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12630 add_to_evolution_1.
12631 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12632 (instantiate_parameters_1): Convert the type of operands before calling
12633 build_polynomial_chrec.
12634 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12635 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12636 reset_evolution_in_loop): Insert asserts to check the types of the
12638 (chrec_type): Moved...
12639 (eq_evolutions_p): Use operand_equal_p.
12640 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12641 the types of the operands.
12642 (chrec_type): ...here.
12643 * tree-data-ref.c (create_data_ref): Convert the operands before
12644 calling chrec_replace_initial_condition.
12645 (same_access_functions, analyze_subscript_affine_affine,
12646 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12647 (compute_subscript_distance, analyze_ziv_subscript,
12648 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12649 analyze_miv_subscript): Convert the operands before calling
12650 chrec_fold_minus or chrec_fold_plus.
12652 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12654 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12655 the dependence_relations vector.
12656 (compute_data_dependences_for_loop): Adjust call to
12657 compute_all_dependences.
12659 2006-04-01 Roger Sayle <roger@eyesopen.com>
12660 Richard Henderson <rth@redhat.com>
12662 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12663 gimple_boolify on the condition before calling gimplify_expr.
12665 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12667 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12668 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12669 the frame size. Update to use the new macros.
12670 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12671 * config/xtensa/ieee754-df.S: Likewise.
12673 2006-03-31 Richard Henderson <rth@redhat.com>
12675 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12676 (make_edges): ... here. Control fallthru creation with a local
12677 variable. Do not play with fake edges.
12678 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12679 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12682 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12684 * dwarf2.h (DW64_CIE_ID): Define.
12685 * dwarf2out.c (DWARF_CIE_ID): Define.
12686 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12687 length header. Use DWARF_CIE_ID.
12688 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12689 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12691 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12693 * config/sh/linux-atomic.asm: New file.
12694 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12696 2006-03-31 DJ Delorie <dj@redhat.com>
12698 * config/m32c/cond.md: Set condition flags properly throughout.
12699 * config/m32c/minmax.md: Likewise.
12700 * config/m32c/prologue.md: Likewise.
12701 * config/m32c/bitops.md: Likewise.
12702 * config/m32c/muldiv.md: Likewise.
12703 * config/m32c/mov.md: Likewise.
12704 * config/m32c/addsub.md: Likewise.
12705 * config/m32c/m32c.md: Likewise.
12706 * config/m32c/jump.md: Likewise.
12707 * config/m32c/shift.md: Likewise.
12709 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12710 conditionally output the pattern for this.
12711 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12712 (m32c_compare_redundant): New.
12713 (m32c_output_compare): New.
12714 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12716 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12717 dest, not src. Allow other 4-byte modes.
12719 2006-03-30 Denis Chertykov <denisc@overta.ru>
12721 * doc/md.texi: Refer to avr/constraints.md instead of
12724 2006-03-30 Roger Sayle <roger@eyesopen.com>
12726 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12727 signed vs. unsigned comparison failures on some hosts.
12729 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12732 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12733 change to FLOAT_REGS.
12735 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12736 (rs6000_override_options): Use it.
12737 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12738 only for -mabi=spe/no-spe and -mabi=altivec.
12740 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12742 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12745 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12747 * Makefile.in: Rename docdir to gcc_docdir.
12749 2006-03-30 Roger Sayle <roger@eyesopen.com>
12752 * expr.c (emit_group_store): Optimize group stores into a pseudo
12753 register by using a paradoxical subreg to initialize the destination
12754 if the first or last member of the group specifies a "low part".
12756 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12759 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12760 * target.h (struct gcc_target.speculate_insn): Change type of the
12761 second parameter to 'int'.
12762 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12763 the second operand of the DEPS_LIST.
12764 (copy_DEPS_LIST_list): Update reference to the second operand of the
12766 * rtl.h (alloc_DEPS_LIST): Update signature.
12767 * sched-int.h (ds_t): Change typedef to 'int'.
12768 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12770 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12772 * haifa-sched.c (try_ready): Change condition to restore
12773 non-speculative pattern of the instruction.
12774 (process_insn_depend_be_in_spec): Code to keep probability of the
12775 speculative dependence non-decreasing.
12777 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12779 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12780 (single_move_for_movmem): ... this. Also change all uses.
12781 (bfin_expand_strmov): Renamed to...
12782 (bfin_expand_movmem): ... this. Also change all uses.
12783 * config/bfin/bfin.md (movstrsi): Renamed to...
12784 (movstrsi): ...this.
12786 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12788 PR tree-optimization/26830
12790 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12791 (copy_prop_visit_stmt): Remove write-only variable ann.
12792 (init_copy_prop): Check variable loop depth here. Do not simulate
12793 memory-tag and virtual operand PHIs except for store copy prop.
12795 2006-03-30 Richard Guenther <rguenther@suse.de>
12797 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12798 variants with double arguments.
12800 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12802 * genpreds.c (write_tm_constrs_h): Delete variable p.
12803 * genconditions.c (write_header): Add tm-constrs.h to included
12805 * genpeep.c (main): Add toplev.h to included headers.
12806 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12807 (build/genpeep.o): Add toplev.h dependency.
12808 * config/rs6000/constraints.md: Add "W" constraint.
12810 2006-03-29 Roger Sayle <roger@eyesopen.com>
12812 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12813 sizes by correctly testing whether the size fits a host integer.
12814 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12815 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12816 SImode range for the default sizetype and bitsizetype.
12818 2006-03-29 Roger Sayle <roger@eyesopen.com>
12820 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12821 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12822 quickly if the argument is already of the correct type.
12823 Call fold_build1 instead of build1. Tidy up blank lines.
12825 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12827 * genemit.c (main): Add tm-constrs.h to included headers.
12828 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12829 * genpeep.c (main): Add tm-constrs.h to included headers.
12830 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12831 (write_tm_constrs_h): this and write complete file.
12832 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12833 (write_insn_preds_c): Add tm-constrs.h to included headers.
12834 (gen_constrs): New variable.
12835 (parse_option): Parse "-c".
12836 (main): Invoke write_tm_constrs_h.
12837 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12838 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12839 (object_out_file): Add tm-constrs.h dependency.
12840 (insn-emit.o): Same.
12841 (insn-output.o): Same.
12842 (insn-peep.o): Same.
12843 (insn-preds.o): Same.
12844 (insn-recog.o): Same.
12845 (tm-constsr.h): New target.
12846 (s-constrs-h): New target.
12848 * config/rs6000/constraints.md: New file.
12849 * config/rs6000/rs6000.c: Include tm-constrs.h.
12850 (num_insn_constant_wide): Convert to satisfies_constraint.
12851 (rs6000_rtx_costs): Convert to satisfies_constraint.
12852 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12853 (CONST_OK_FOR_LETTER_P): Delete.
12854 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12855 (EXTRA_CONSTRAINT): Delete.
12856 (EXTRA_MEMORY_CONSTRAINT): Delete.
12857 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12858 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12859 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12860 satisfies_constraint.
12862 * config/i386/i386.c: Include tm-constrs.h.
12864 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12866 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12867 * tree-data-ref.c (find_data_references_in_loop,
12868 compute_data_dependences_for_loop): Use pointers to VEC.
12869 (analyze_all_data_dependences): Adjust calls.
12870 * tree-data-ref.h (find_data_references_in_loop,
12871 compute_data_dependences_for_loop): Adjust declarations.
12872 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12873 compute_data_dependences_for_loop.
12875 2006-03-29 Paul Brook <paul@codesourcery.com>
12877 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12878 (movdf_vfp): Ditto.
12880 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12882 PR tree-optimization/26859
12883 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12885 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12886 for the step after fold_convert.
12888 2006-03-29 Paul Brook <paul@codesourcery.com>
12890 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12891 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12893 2006-03-29 Paul Brook <paul@codesourcery.com>
12895 PR middle-end/23623
12896 * targhooks.c (default_narrow_bitfield): New fuction.
12897 * targhooks.h (default_narrow_bitfield): add prototype.
12898 * target.h (gcc_target): Add narrow_volatile_bitfield.
12899 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12900 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12901 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12902 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12904 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12906 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12908 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12909 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12910 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12911 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12912 (s390_function_arg_float): Allow SDmode and DDmode values to be
12913 passed in floating point registers.
12914 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12915 check with SCALAR_FLOAT_MODE_P.
12916 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12918 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12920 PR tree-optimization/25985
12921 * tree-ssa-loop-niter.c (number_of_iterations_le,
12922 number_of_iterations_ne): Make comments more precise.
12923 (number_of_iterations_cond): Add only_exit argument. Use the
12924 fact that signed variables do not overflow only when only_exit
12926 (loop_only_exit_p): New.
12927 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12928 number_of_iterations_cond.
12930 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12932 PR tree-optimization/26643
12933 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12936 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12938 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12939 (divsi3_i4_int): Likewise.
12941 2006-03-28 Roger Sayle <roger@eyesopen.com>
12943 * expr.c (emit_group_store): Only create a new pseudo reg if the
12944 quantity it needs to hold isn't already a suitable pseudo.
12946 2006-03-28 Jeff Law <law@redhat.com>
12948 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12949 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12951 2006-03-28 Roger Sayle <roger@eyesopen.com>
12953 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12954 the equivalent ~X & Y, and the symmetry related transformations.
12955 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12956 ~X & Y, and symmetry related transforms.
12958 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12960 Revert my 2006-03-27 patches.
12962 2006-03-28 Roger Sayle <roger@eyesopen.com>
12964 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12965 ~(T1)X, when T1 and T2 are integer types of the same precision
12966 and (T2)X isn't an extension.
12968 2006-03-28 Jeff Law <law@redhat.com>
12970 PR tree-optimization/26796
12971 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12972 need EH edge cleanups rather than purging them immediately.
12973 (eliminate_degenerate_phis): Handle queued EH cleanups.
12975 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
12977 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
12980 2006-03-27 Roger Sayle <roger@eyesopen.com>
12982 PR middle-end/22524
12983 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
12984 cast BIT_NOT_EXPR operand to the correct type.
12986 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12988 * tree-loop-linear.c: Don't include varray.h.
12989 (gather_interchange_stats, try_interchange_loops,
12990 linear_transform_loops): Use VEC instead of VARRAY.
12991 * lambda-mat.c: Don't include varray.h.
12992 * tree-chrec.c: Same.
12993 * lambda-trans.c: Same.
12994 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12995 VEC instead of VARRAY.
12996 * tree-vectorizer.h: Idem.
12997 * tree-data-ref.c (dump_data_references,
12998 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12999 initialize_data_dependence_relation, finalize_ddr_dependent,
13000 compute_all_dependences, find_data_references_in_loop,
13001 compute_data_dependences_for_loop, analyze_all_data_dependences,
13002 free_dependence_relation, free_dependence_relations,
13003 free_data_refs): Idem.
13004 * tree-data-ref.h (data_reference_p, subscript_p): New.
13005 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13006 VEC instead of VARRAY.
13007 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13008 (find_data_references_in_loop, compute_data_dependences_for_loop,
13009 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13010 dump_data_dependence_relations, free_dependence_relations,
13011 free_data_refs): Adjust declaration.
13012 (lambda_transform_legal_p): Move declaration here...
13013 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13014 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13015 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13016 vect_analyze_data_refs): Use VEC instead of VARRAY.
13017 * lambda.h (lambda_transform_legal_p): ...from here.
13018 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13019 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13020 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13021 tree-chrec.o): Don't depend on VARRAY_H.
13023 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13025 * rtl.def (Copyright): Update date.
13026 (DEPS_LIST): Change type of the second operand to 'int'.
13027 * target.h (Copyright): Update date.
13028 (struct gcc_target.speculate_insn): Change type of the second parameter
13030 * lists.c (Copyright): Update date.
13031 (alloc_DEPS_LIST): Change signature. Update reference to the second
13032 operand of the DEPS_LIST.
13033 (copy_DEPS_LIST_list): Update reference to the second operand of the
13035 * rtl.h (Copyright): Update date.
13036 (alloc_DEPS_LIST): Update signature.
13037 * sched-int.h (Copyright): Update date.
13038 (ds_t): Change typedef to 'int'.
13039 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13041 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13043 * haifa-sched.c (Copyright): Update date.
13044 (try_ready): Change condition to restore non-speculative pattern
13045 of the instruction.
13046 (process_insn_depend_be_in_spec): Code to keep probability of the
13047 speculative dependence non-decreasing.
13049 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13051 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13052 shut up the compiler.
13054 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13056 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13057 to use lib prefix for target.
13058 ($(T)libic_invalidate_array_4-200.a): Likewise.
13059 ($(T)libic_invalidate_array_4a.a): Likewise.
13061 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13062 J"orn Rennecke <joern.rennecke@st.com>
13064 * superh.opt: New file.
13065 * sh.c (boardtype, osruntime): Remove.
13066 * superh.h (SUBTARGET_OPTIONS): Remove.
13067 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13069 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13070 arguments with ^ and/or [].
13072 * config.gcc (sh-*-*): Add quoting to account for quirk of
13074 Replace == with = in enable_incomplete_targets test.
13076 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13077 with MASK_LITTLE_ENDIAN.
13079 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13080 * config/sh/sh.opt: Added to some comments.
13081 * config/sh/superh.h: Removed some chaff.
13083 * config/sh/sh.opt: Add m4-[1234]00* options.
13084 * config/sh/sh.c (sh_handle_option): Likewise.
13085 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13086 (ic_invalidate_array_4-100.o): New rule.
13087 ($(T)libic_invalidate_array_4-100.a): Likewise.
13088 (ic_invalidate_array_4-200.o): Likewise.
13089 ($(T)libic_invalidate_array_4-200.a): Likewise.
13090 (ic_invalidate_array_4a.o): Likewise.
13091 ($(T)libic_invalidate_array_4a.a): Likewise.
13092 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13093 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13095 * config/sh/crt1.asm: Merged in profiling code.
13096 * config/sh/superh.h (STARTFILE_SPEC): Override.
13097 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13098 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13099 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13101 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13102 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13103 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13105 * sh.opt (mpretend-cmove): New option.
13106 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13107 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13108 (movsicc): Add TARGET_PRETEND_CMOVE code.
13110 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13112 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13113 s390_class_max_nregs): New function prototypes.
13114 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13115 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13116 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13117 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13119 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13121 * dwarf2out.c (add_location_or_const_value_attribute): Call
13122 tree_add_const_value_attribute if nothing else works.
13123 (reference_to_unused): New.
13124 (rtl_for_decl_init): Use reference_to_unused to decide whether
13125 to output an initializer.
13127 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13130 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13131 peephole removing spe frob_di_df_2.
13133 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13135 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13136 (subscript_dependence_tester_1): Declared.
13137 (print_dir_vectors, print_dist_vectors): New.
13138 (debug_data_dependence_relation): New.
13139 (dump_data_dependence_relation): Print more details.
13140 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13141 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13142 (save_dist_v, save_dir_v, add_outer_distances,
13143 build_classic_dist_vector_1): New.
13144 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13145 Don't test for lambda_vector_lexico_pos.
13146 (same_access_functions, add_multivariate_self_dist,
13147 add_other_self_distances, dir_from_dist): New.
13148 (build_classic_dir_vector): Replace implementation almost identical to
13149 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13151 (subscript_dependence_tester_1): New.
13152 (subscript_dependence_tester): Handle the lexicographically negative
13153 distance vectors by recomputing the dependence relation.
13154 (compute_affine_dependence): Remove parameter loop_nest_depth.
13155 (compute_self_dependence): Don't call compute_subscript_distance.
13156 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13157 Add a parameter for the loop_nest.
13158 (find_loop_nest_1, find_loop_nest): New.
13159 (compute_data_dependences_for_loop): Compute the loop nest, and give
13160 up if the nest is not well formed.
13161 * tree-data-ref.h (loop_p): New.
13162 (struct data_dependence_relation): Replace size_vect field with
13163 loop_nest, a vec of loops.
13164 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13165 (DDR_LOOP_NEST): New.
13166 (print_dir_vectors, print_dist_vectors,
13167 debug_data_dependence_relation): Declared.
13168 (index_in_loop_nest): New.
13169 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13170 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13173 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13175 * simplify-rtx.c (simplify_relational_operation): Call
13176 simplify_relational_operation_1 even if mode is VOIDmode.
13178 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13180 PR tree-optimization/26804
13181 * tree.h (DECL_CALL_CLOBBERED): New macro.
13182 (tree_decl_common): Add call_clobbered_flag.
13183 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13184 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13185 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13186 (mark_non_addressable): Ditto.
13187 * tree-ssa.c (verify_call_clobbered): New function.
13188 (verify_alias_info): Use it.
13189 * tree-pass.h (pass_reset_cc_flags): New prototype.
13190 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13191 (reset_cc_flags): New function.
13192 * passes.c (init_optimization_passes): Call reset_cc_flags after
13193 initializing referenced_vars.
13195 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13196 Roger Sayle <roger@eyesopen.com>
13198 PR middle-end/26717
13199 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13200 to 1.0 for non-real operands. Implement A / A optimization for
13203 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13205 * config/i386/i386.c (size_cost): Correct the comment for
13206 cost of storing fp registers.
13207 (i386_cost): Likewise.
13208 (i486_cost): Likewise.
13209 (pentium_cost): Likewise.
13210 (pentiumpro_cost): Likewise.
13211 (k6_cost): Likewise.
13212 (athlon_cost): Likewise.
13213 (k8_cost): Likewise.
13214 (pentium4_cost): Likewise.
13215 (nocona_cost): Likewise.
13216 (generic64_cost): Likewise.
13217 (generic32_cost): Likewise.
13219 2006-03-24 Denis Chertykov <denisc@overta.ru>
13221 * config/avr/avr-protos.h (extra_constraint): Delete.
13222 (extra_constraint_Q): New declaration.
13223 * config/avr/constraints.md: New file.
13224 * config/avr/avr.md: Include it.
13225 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13226 (TMP_REGNO, ZERO_REGNO): Likewise.
13227 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13228 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13229 (extra_constraint): Delete.
13230 (extra_constraint_Q): Test for memory constraint 'Q'.
13231 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13232 (REG_CLASS_FROM_LETTER): Delete.
13233 (CONST_OK_FOR_LETTER_P): Delete.
13234 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13235 (EXTRA_CONSTRAINT): Delete.
13236 (TMP_REGNO): Delete.
13237 (ZERO_REGNO): Delete.
13239 2006-03-24 Jeff Law <law@redhat.com>
13241 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13242 directly. Call mark_new_vars_to_rename slightly earlier.
13244 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13246 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13247 (is_cxx): Likewise.
13248 (gen_compile_unit_die): Use new language types for Objective-C and
13250 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13251 DW_LANG_C_plus_plus.
13254 * config/t-darwin (crt3.o): Work around bug 26840.
13255 * config/darwin-crt3.c: Rewrite.
13256 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13258 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13260 * doc/invoke.texi: Document -femit-class-debug-always
13261 * common.opt: Add -femit-class-debug-always.
13263 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13265 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13266 index and base register.
13267 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13268 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13269 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13270 REGNO_OK_FOR_INDEX_P.
13271 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13273 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13274 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13275 REG_OK_FOR_BASE_P): Definitions removed.
13277 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13279 PR middle-end/26611
13280 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13281 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13282 set yet or weren't marked as local yet.
13284 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13286 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13289 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13291 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13292 (rs6000_legitimate_small_data_p): Delete.
13293 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13294 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13295 and make static. Add forward declaration. Update uses.
13296 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13297 of offsettable_memref_p.
13298 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13299 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13301 2006-03-24 Jeff Law <law@redhat.com>
13303 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13304 around bug in immediate-use iterator.
13306 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13309 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13310 or __LITTLE_ENDIAN__.
13312 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13314 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13315 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13316 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13317 * config/sh/sh.opt (mdiv=): Amend description.
13318 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13319 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13320 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13321 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13322 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13323 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13324 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13325 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13326 TARGET_DIVIDE_CALL_FP.
13328 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13330 * haifa-sched.c (choose_ready): Fix type of the local variable.
13331 Move local variables. Add comment.
13332 (check_reg_live): Change signature. Make callable from debugger.
13333 * sched-int.h (check_reg_live): Update signature.
13334 * sched-ebb.c (check_reg_live): Update parameters.
13335 * sched-rgn.c (check_reg_live): Ditto.
13336 (region_head_or_leaf_p): Check pointer before dereferencing.
13337 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13338 before reload on optimization levels below 1.
13340 2006-03-23 Richard Henderson <rth@redhat.com>
13342 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13346 * config/alpha/predicates.md (local_symbolic_operand): Reject
13349 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13352 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13353 expressions which have overflowed constants.
13355 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13357 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13359 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13361 * cfgloopmanip.c (create_loop_notes): Removed.
13362 * final.c (final_scan_insn): Do not handle loop notes.
13363 * jump.c (squeeze_notes): Ditto.
13364 * cfglayout.c (skip_insns_after_block,
13365 duplicate_insn_chain): Ditto.
13366 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13368 * cfgloop.h (create_loop_notes): Declaration removed.
13370 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13372 * varasm.c (output_constant_pool): Restore fnname and fndecl
13374 (assemble_start_function): Adjust call accordingly.
13375 (assemble_end_function): Likewise.
13377 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13380 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13383 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13385 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13388 * system.h (ICE_EXIT_CODE): New macro.
13389 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13390 (diagnostic_action_after_output): Likewise.
13391 * gcc.c (fatal_ice): New function.
13392 (execute): Use it instead of fatal.
13393 (fancy_abort): Likewise.
13394 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13396 2006-03-22 Jeff Law <law@redhat.com>
13398 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13399 iv_analyze_result returning false.
13401 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13403 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13405 2006-03-22 Richard Henderson <rth@redhat.com>
13407 PR middle-end/26084
13408 * except.c (duplicate_eh_regions_0): New.
13409 (duplicate_eh_region_1): Duplicate the children of the node as
13410 well as the node itself. Link them up properly.
13411 (duplicate_eh_region_2): Merge into ...
13412 (duplicate_eh_regions): ... here. Take copy_region argument, and
13413 copy only a sub-tree if asked. Simplify copying and fixup.
13414 (eh_region_outer_p): New.
13415 * except.h (duplicate_eh_regions): Update decl.
13416 (eh_region_outer_p): Declare.
13417 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13418 (lower_omp_master): Likewise.
13419 (lower_omp_ordered): Likewise.
13420 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13421 (move_stmt_r): Use it to remap labels. Handle recursion vs
13422 remap_decls_p properly.
13423 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13424 (find_outermost_region_in_block): New.
13425 (new_label_mapper): New.
13426 (move_sese_region_to_fn): Copy eh information to the new function
13428 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13430 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13433 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13435 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13436 into shared libraries.
13438 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13440 * doc/md.texi: Refer to i386/constraints.md instead of
13441 i386/predicates.md.
13442 * config/i386/constraints.md: New file, extracted from...
13443 * config/i386/predicates.md: ...here.
13444 * config/i386/i386.md: Include constraints.md.
13446 2006-03-21 Jason Merrill <jason@redhat.com>
13448 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13450 PR middle-end/20297
13451 * expr.c (init_block_move_fn): Force default visibility.
13452 (init_block_clear_fn): Likewise.
13453 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13454 * targhooks.c (default_external_stack_protect_fail): Likewise.
13456 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13458 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13459 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13460 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13461 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13462 (loadgp): Use mips_current_loadgp_style.
13463 (loadgp_noshared): New pattern.
13464 (sibcall_internal): Use MIPS_CALL.
13465 (sibcall_value_internal): Likewise.
13466 (sibcall_value_multiple_internal): Likewise.
13467 (call_internal): Likewise.
13468 (call_value_internal): Likewise.
13469 (call_value_multiple_internal): Likewise.
13470 (call_split): Use MIPS_CALL and add an 'S' constraint.
13471 (call_value_split): Likewise.
13472 (call_value_multiple_split): Likewise.
13473 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13474 (-mshared): New option.
13475 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13476 (mips_current_loadgp_style): Declare.
13477 * config/mips/mips.c (mips_classify_symbol): Avoid using
13478 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13479 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13480 TARGET_ABSOLUTE_ABICALLS.
13481 (override_options): Adjust comments. Improve the warning that is
13482 issued when -mabicalls and -G are used together.
13483 (mips_file_start): Remove comment.
13484 (mips_current_loadgp_style): New function.
13485 (mips_gnu_local_gp): New variable.
13486 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13488 (mips_output_function_prologue): Use mips_current_laodgp_style.
13489 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13490 the cprestore instruction.
13491 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13492 live for TARGET_ABSOLUTE_ABICALLS.
13493 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13494 (ASM_SPEC): Pass down -mshared and -mno-shared.
13495 (MIPS_CALL): New macro.
13496 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13498 * doc/invoke.texi (-mabicalls): Update documentation.
13499 (-mshared): Document.
13501 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13503 * config/ia64/unwind-hpux.c: New file.
13504 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13506 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13509 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13511 2006-03-21 Jeff Law <law@redhat.com>
13513 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13514 type conversions of a VR_VARYING source to a wider type.
13516 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13518 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13519 tm_file on Solaris 10 and later.
13520 (sparc64-*-solaris2*): Likewise.
13521 (sparc-*-solaris2*): Likewise.
13522 * config/sol26.h: Rename to config/sol2-6.h.
13523 * config/sol2-10.h: New file.
13525 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13528 * tree-ssa-pre.c (create_component_ref_by_pieces):
13531 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13534 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13535 return it immediately.
13537 2006-03-21 Michael Matz <matz@suse.de>
13539 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13541 (remove_arc, add_arc): Update num_out_arcs member.
13542 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13544 (cache_presence): New function.
13545 (compare_states_for_equiv): New function.
13546 (state_is_differed): Don't take number of outargs, adjust callers.
13547 Use new invariant for speeding up.
13548 (init_equiv_class): Create initial classes based on sorted
13550 (partition_equiv_class): Don't track out_arcs_num.
13551 (evaluate_equiv_classes): Call cache_presence on all states and
13554 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13556 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13557 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13558 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13559 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13561 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13562 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13563 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13564 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13565 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13567 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13568 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13569 (REGNO_REG_CLASS): ARGP is in PREGS.
13570 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13572 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13573 to deal with those addresses.
13574 * addresses.h: New file.
13575 * caller-save.c: Include "addresses.h".
13576 (init_caller_save): Use new base_reg_class function.
13577 * rtl-factoring.c: Include "addresses.h".
13578 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13579 * recog.c: Include "addresses.h".
13580 (preprocess_constraints): Use new base_reg_class function.
13581 * regrename.c: Include "addresses.h".
13582 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13583 functions. Keep track of a new var INDEX_CODE to compute valid
13585 (replace_oldest_value_addr): Likewise.
13586 (replace_oldest_value_mem): Use base_reg_class.
13587 * reload.c: Include "addresses.h".
13588 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13589 (find_reloads): Use new base_reg_class function.
13590 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13591 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13592 all callers and prototype changed.
13593 * reload1.c: Include "addresses.h".
13594 (maybe_fix_stack_asms): Use base_reg_class.
13595 * regclass.c: Include "addresses.h".
13596 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13597 (init_reg_autoinc): Use new base_reg_class function.
13598 (record_reg_classes): Likewise.
13599 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13600 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13601 Use new args to compute necessary class.
13603 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13604 regrename.o, rtl-factoring.o): Update dependencies.
13605 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13606 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13607 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13608 REG_OK_FOR_INDEX_P): Delete documentation.
13610 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13612 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13613 from V7 to V9 for Solaris 7 and above.
13615 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13617 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13618 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13619 argument pointers may not alias any other storage.
13620 * common.opt: Define option -fargument-noalias-anything.
13621 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13622 alias semantics is specified by flag_argument_noalias > 2.
13624 2006-03-20 Jeff Law <law@redhat.com>
13626 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13627 (pass_phi_only_cprop): Declare.
13628 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13629 with phi_only_cprop
13630 * tree-ssa-dom.c (degenerate_phi_result): New function.
13631 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13632 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13633 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13634 (eliminate_degenerate_phis): Likewise.
13635 (pass_phi_only_cprop): New pass descriptor.
13636 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13637 support code. Callers updated.
13638 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13639 (store_copy_prop): Likewise.
13640 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13642 2006-03-20 Jason Merrill <jason@redhat.com>
13645 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13646 (push_visibility, pop_visibility): Likewise.
13647 * c-pragma.h: Declare them.
13649 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13651 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13653 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13654 parameter and use get_ebb_head_tail.
13655 (sh_md_init_global): Adjust uses of find_regmode_weight.
13657 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13659 * function.h (struct function) <x_tail_recursion_reentry>:
13660 Rename to x_stack_check_probe_note.
13661 (tail_recursion_reentry): Rename to stack_check_probe_note.
13662 * function.c: Replace tail_recursion_reentry with
13663 stack_check_probe_note everywhere.
13664 (expand_function_start): Only emit a note for
13665 stack_check_probe_note with -fstack-protect.
13666 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13668 * emit-rtl.c (remove_unnecessary_notes): Remove.
13669 (pass_remove_unnecessary_notes): Remove.
13670 * rtl.h (remove_unnecessary_notes): Remove prototype.
13671 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13672 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13673 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13675 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13678 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13679 (valid_in_set): Handle ARRAY_REF.
13680 Change "if min_variant or VH" to asserts.
13681 (create_component_ref_by_pieces): Handle ARRAY_REF.
13682 (create_expression_by_pieces): Likewise.
13683 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13685 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13687 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13688 is operand of switch, not str[0].
13690 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13692 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13693 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13695 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13697 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13698 end of insn_extra_address_constraint declaration.
13700 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13702 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13703 (no-sum-in-toc): Same.
13704 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13706 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13707 NO_FP_IN_TOC for -fPIC instead of mask.
13709 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13710 (BOOT_LDFLAGS): Delete.
13712 * config/rs6000/t-aix52: Same.
13714 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13715 (stmsi[345678]_power): New.
13717 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13719 * config/ia64/ia64.opt: Add empty line to end of file.
13721 2006-03-17 Richard Guenther <rguenther@suse.de>
13723 PR middle-end/26721
13724 * builtins.c (get_pointer_alignment): For component style references
13725 adjust alignment to the component type alignment. Make sure
13726 to adjust alignment for component access of constants.
13728 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13730 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13731 unconditional jump.
13733 2006-03-17 Paul Brook <paul@codesourcery.com>
13735 * doc/install.texi: Docuemnt --with-mode.
13736 * config.gcc: Add --with-mode for arm*-*-*.
13737 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13739 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13741 * sh.c (max_labelno_before_reorg): New variable.
13742 (sh_reorg): Initialize it.
13743 (find_barrier): Check max_labelno_before_reorg before using
13744 label_to_alignment. Take length of explicit alignment insns
13745 into account. When seeing a UNSPECV_CONST_END, return it.
13747 * sh.c (fixup_mova): Set mode of affected label to QImode.
13748 (untangle_mova): New function.
13749 (find_barrier): Use it. Check mode of label before decrementing
13751 (sh_reorg): Likewise.
13752 Set mode of all insns back to VOIDmode.
13754 * sh.c (MOVA_LABELREF): New macro.
13755 (mova_p, fixup_mova, sh_reorg): Use it.
13756 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13757 ADDR_DIFF_VEC matches mova.
13759 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13761 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13762 with ATTRIBUTE_UNUSED.
13764 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13766 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13767 pointer, instead of assuming it is possible to derive the
13768 correct args size from a call insn.
13770 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13772 * rtl.h (CONST_INT_P): Define.
13773 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13774 instead of GET_CODE(x) == CONST_INT.
13775 (vax_rtx_costs): Likewise.
13776 (vax_output_int_move): Likewise.
13777 (vax_output_int_add): Likewise.
13778 (legitimate_constant_address_p): Likewise.
13779 (index_term_p): Likewise.
13780 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13781 * config/vax/vax.md (and<mode>3): Likewise.
13782 (ashrsi3): Likewise.
13784 (movstricthi): Likewise.
13785 (movstrictqi): Likewise.
13786 (rotrsi3): Likewise.
13787 (five unnamed insns): Likewise.
13789 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13791 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13792 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13793 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13794 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13795 Pass to ASM_OUTPUT_DWARF_OFFSET.
13796 * dwarf2out.c (debug_frame_section): New.
13797 (output_call_frame_info): Use debug_frame_section. Pass it to
13798 dw2_asm_output_offset.
13799 (output_die): Pass appropriate section to dw2_asm_output_offset.
13800 (output_compilation_unit_header): Likewise.
13801 (output_pubnames): Likewise.
13802 (output_aranges): Likewise.
13803 (enum dw_val_class): Break dw_val_class_lbl_offset into
13804 dw_val_class_lineptr and dw_val_class_macptr.
13805 (add_AT_lbl_offset): Delete.
13806 (add_AT_lineptr): New.
13807 (add_AT_macptr): New.
13808 (AT_lbl): Expect a lineptr or macptr.
13809 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13810 (attr_checksum): Likewise.
13811 (same_dw_val_p): Likewise.
13812 (size_of_die): Likewise.
13813 (value_format): Likewise.
13814 (output_die): Likewise.
13815 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13817 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13818 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13819 * config/darwin-protos.h (darwin_file_start): New.
13820 (darwin_asm_output_dwarf_offset): New.
13821 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13822 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13824 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13825 if not EH section; simplify.
13826 (darwin_file_start): New.
13827 (darwin_asm_output_dwarf_offset): New.
13828 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13830 (DEBUG_INFO_SECTION): Likewise.
13831 (DEBUG_ABBREV_SECTION): Likewise.
13832 (DEBUG_ARANGES_SECTION): Likewise.
13833 (DEBUG_MACINFO_SECTION): Likewise.
13834 (DEBUG_LINE_SECTION): Likewise.
13835 (DEBUG_LOC_SECTION): Likewise.
13836 (DEBUG_PUBNAMES_SECTION): Likewise.
13837 (DEBUG_STR_SECTION): Likewise.
13838 (DEBUG_RANGES_SECTION): Likewise.
13839 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13840 (ASM_OUTPUT_DWARF_OFFSET): New.
13842 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13844 * config.gcc (tm_defines): Always add to previous value rather
13847 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13849 * config/mips/predicates.md (splittable_const_int_operand): New,
13850 split from move_operand.
13851 (splittable_symbolic_operand): New.
13852 (move_operand): Add commentary. Use splittable_const_int_operand.
13853 Inline mips_atomic_symbolic_constant_p.
13854 * config/mips/mips.md: Add combine splitters for handling moves
13855 of splittable_const_int_operands and splittable_symbolic_operands.
13856 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13857 (mips_split_symbol): Declare.
13858 (mips_move_integer): Declare.
13859 * config/mips/mips.c (mips_split_p): Make global.
13860 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13861 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13862 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13863 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13864 (mips_offset_within_object_p): Handle block symbols.
13865 (mips_atomic_symbolic_constant_p): Delete.
13866 (mips_cannot_force_const_mem): Return false for constants that
13867 mips_legitimize_move can handle.
13868 (mips_use_blocks_for_constant_p): New function.
13869 (mips_split_symbol): Make global.
13870 (mips_move_integer): Likewise. Add a temporary register argument.
13871 (mips_legitimize_const_move): Use splittable_const_int_operand and
13872 splittable_symbolic_operand.
13873 (mips_use_anchors_for_symbol_p): New function.
13874 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13875 (mips_split_p): Declare.
13877 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13879 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13880 (mips*-*-linux*): Likewise.
13882 2006-03-16 Roger Sayle <roger@eyesopen.com>
13883 Daniel Speyer <dspeyer@wam.umd.edu>
13885 PR middle-end/18259
13886 * tree-dump.c (dump_real): New function.
13887 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13888 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13889 (tree-dump.o): Add $(REAL_H) to the dependencies.
13891 2006-03-16 Roger Sayle <roger@eyesopen.com>
13893 PR middle-end/21781
13894 * real.c (real_from_string): If the mantissa is zero, don't bother
13895 parsing the exponent as the result should always be zero.
13897 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13899 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13901 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13903 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13904 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13905 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13906 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13907 ia64_sched_finish_global): New static functions to implement
13908 hooks from gcc_target.sched.
13909 (spec_check_no, max_uid, pending_data_specs): New static variables.
13910 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13911 ia64_spec_check_src_p): New static functions.
13912 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13913 (TARGET_SCHED_ADJUST_COST): Removed.
13914 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13915 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13916 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13917 TARGET_SCHED_GEN_CHECK,
13918 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13919 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13920 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13921 Fixed to handle speculation checks.
13922 (rtx_needs_barrier): Fixed to handle speculative loads and
13924 (ia64_variable_issue): Added code to count speculative loads and their
13926 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13928 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13930 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13932 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13933 (ia64_reorg): Reset stops_p to NULL after it is freed.
13934 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13935 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13936 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13938 (data_speculative, control_speculative, check_load): New attributes.
13939 (mov<mode>_advanced, mov<mode>_speculative,
13940 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13941 zero_extend<mode>di2_speculative,
13942 zero_extend<mode>di2_speculative_advanced): New patterns for
13943 data and control speculative loads.
13944 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13946 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13947 New pattern for data and control speculation checks.
13948 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13949 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13950 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13951 Auxiliary definitions for the patterns.
13952 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13953 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13955 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13957 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13958 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13959 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13960 New resource constraints.
13961 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13963 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13964 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13965 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13966 msched-in-control-spec, msched-ldc, msched-control-ldc,
13967 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13968 msched-prefer-non-control-spec-insns,
13969 msched-count-spec-in-critical-path): New flags to tune speculative
13971 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13972 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13973 msched-in-control-spec, msched-ldc, msched-control-ldc,
13974 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13975 msched-prefer-non-control-spec-insns,
13976 msched-count-spec-in-critical-path): Document new flags.
13978 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13980 * target.h (struct spec_info_def): New opaque declaration.
13981 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
13982 speculate_insn, needs_block_p, gen_check,
13983 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
13984 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13985 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13986 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13987 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13988 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13990 (TARGET_SCHED): Use new macros.
13991 * rtl.h (copy_DEPS_LIST_list): New prototype.
13992 * sched-int.h (struct sched_info): Change signature of new_ready field,
13993 adjust all initializations. New fields: add_remove_insn,
13994 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13995 region_head_or_leaf_p.
13996 (struct spec_info_def): New structure declaration.
13997 (spec_info_t): New typedef.
13998 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13999 recovery_block, orig_pat.
14000 (glat_start, glat_end): New variables declaraions.
14001 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14003 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14004 DETACH_LIFE_INFO, USE_GLAT.
14005 (enum SPEC_SCHED_FLAGS): New enumeration.
14006 (NOTE_NOTE_BB_P): New macro.
14007 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14008 attach_life_info, debug_spec_status, check_reg_live): New functions.
14009 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14010 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14012 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14013 * ddg.c (get_block_head_tail): Adjust all uses.
14014 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14015 (sms_sched_info): Initialize new fields.
14016 (contributes_to_priority): Removed.
14017 * haifa-sched.c (params.h): New include.
14018 (get_block_head_tail): Adjust all uses.
14019 (ISSUE_POINTS): New macro.
14020 (glat_start, glat_end): New global variables.
14021 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14022 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14023 old_last_basic_block, before_recovery, current_sched_info_var,
14024 rgn_n_insns, luid): New static variables.
14025 (insn_cost1): New function. Move logic from insn_cost to here.
14026 (find_insn_reg_weight1): New function. Move logic from
14027 find_insn_reg_weight to here.
14028 (reemit_notes, move_insn, max_issue): Change signature.
14029 (move_insn1): Removed.
14030 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14031 extend_bb): New static functions to support extension of scheduler's
14033 (generate_recovery_code, process_insn_depend_be_in_spec,
14034 begin_speculative_block, add_to_speculative_block,
14035 init_before_recovery, create_recovery_block, create_check_block_twin,
14036 fix_recovery_deps): New static functions to support
14037 generation of recovery code.
14038 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14039 restore_bb_notes, move_block_after_check, move_succs): New static
14040 functions to support ebb scheduling.
14041 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14042 functions to support handling of register live information.
14043 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14044 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14045 add_jump_dependencies): New static functions.
14046 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14047 consistancy checking.
14048 (debug_spec_status): New function to call from debugger.
14049 (priority): Added code to handle speculation checks.
14050 (rank_for_schedule): Added code to distinguish speculative instructions.
14051 (schedule_insn): Added code to handle speculation checks.
14052 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14053 Fixed to handle ebbs.
14054 (move_insn): Added code to handle ebb scheduling.
14055 (max_issue): Added code to use ISSUE_POINTS of instructions.
14056 (choose_ready): Added code to choose between speculative and
14057 non-speculative instructions.
14058 (schedule_block): Added code to handle ebb scheduling and scheduling of
14059 speculative instructions.
14060 (sched_init): Initialize new variables.
14061 (sched_finish): Free new variables. Print statistics.
14062 (try_ready): Added code to handle speculative instructions.
14063 * lists.c (copy_DEPS_LIST_list): New function.
14064 * sched-deps.c (extend_dependency_caches): New function. Move logic
14065 from create_dependency_caches to here.
14066 (get_dep_weak, ds_merge): Make global.
14067 * genattr.c (main): Code to output prototype for
14068 dfa_clear_single_insn_cache.
14069 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14070 (output_dfa_clean_insn_cache_func): Code to output
14071 dfa_clear_single_insn_cache function.
14072 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14074 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14076 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14077 New static variables.
14078 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14079 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14081 (ebb_sched_info): Initialize new fields.
14082 (get_block_head_tail): Adjust all uses.
14083 (compute_jump_reg_dependencies): Fixed to use glat_start.
14084 (schedule_ebb): Code to remove unreachable last block.
14085 (schedule_ebbs): Added code to update register live information.
14086 * sched-rgn.c (region_sched_info): Initialize new fields.
14087 (get_block_head_tail): Adjust all uses.
14088 (last_was_jump): Removed. Adjust users.
14089 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14090 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14091 Implement new hooks.
14092 (check_dead_notes1): New static function.
14093 (struct region): New fields: dont_calc_deps, has_real_ebb.
14094 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14095 (BB_TO_BLOCK): Fixed to handle EBBs.
14096 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14097 (ebb_head): New static variable.
14098 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14099 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14101 (compute_dom_prob_ps): New assertion.
14102 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14103 global_live_at_start.
14104 (init_ready_list): New assertions.
14105 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14106 (new_ready): Add support for BEGIN_CONTROL speculation.
14107 (schedule_insns): Fixed code that updates register live information
14109 (schedule_region): Fixed to handle EBBs.
14110 (init_regions): Use extend_regions and check_dead_notes1.
14111 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14112 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14113 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14114 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14115 TARGET_SCHED_GEN_CHECK,
14116 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14117 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14118 * doc/invoke.texi (max-sched-insn-conflict-delay,
14119 sched-spec-prob-cutoff): Document.
14121 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14123 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14124 inter_tick, queue_index.
14125 (struct sched_info): Change signature of init_ready_list field.
14126 Adjust all initializations.
14127 (RESOLVED_DEPS): New access macro.
14128 (ready_add): Remove prototype.
14129 (try_ready): Add prototype.
14130 * sched-rgn.c (init_ready_list): Use try_ready.
14131 (schedule_region): Initialize
14132 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14133 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14134 (init_ready_list): Use try_ready.
14135 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14136 * lists.c (remove_list_elem): Remove `static'.
14137 (remove_free_INSN_LIST_elem): New function.
14138 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14139 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14140 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14142 (readyp): New variable.
14143 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14144 change_queue_index, resolve_dep): New static functions.
14145 (try_ready): New function. Adjust callers in sched-rgn.c and
14146 sched-ebb.c to use it instead of ready_add.
14147 (clock_var): Move at the begining of file.
14148 (rank_for_schedule): Fix typo.
14149 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14150 (ready_lastpos): Enforce assertion.
14151 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14152 update all callers.
14153 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14154 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14155 (queue_to_ready): Use free_INSN_LIST_list.
14156 (early_queue_to_ready): Fix typo.
14157 (schedule_block): Init readyp. Move init_ready_list call after the
14158 initialization of clock_var. Fix error in rejecting insn by
14159 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14160 that previously corrected INSN_TICKs. Add code for handling
14162 (set_priorities): Fix typo.
14163 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14164 Clarify comment and code that keeps current_sched_info->next_tail
14167 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14169 * sched-rgn.c (extend_rgns): New static function.
14170 (find_rgns): Use it.
14171 (gather_region_statistics, print_region_statistics): New static
14173 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14174 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14176 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14177 Andrey Belevantsev <abel@ispras.ru>
14179 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14180 * lists.c (unused_deps_list): New variable.
14181 (free_list): Add assertions to verify the proper distinguishing
14182 between INSN_LISTs and DEPS_LISTs.
14183 (find_list_elem, remove_list_elem, remove_list_node): New static
14185 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14186 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14187 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14188 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14190 (free_INSN_LIST_node): Likewise.
14191 * modulo-sched.c (current_sched_info): Initialize flags field.
14192 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14193 * rtl.def (DEPS_LIST): Define.
14194 * rtl.h: Declare new functions from lists.c.
14195 * sched-deps.c (spec_dependency_cache): New static variable.
14196 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14197 (add_dependence): Change return type to void. Move the logic to ...
14198 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14199 (delete_all_dependences): Add comment about forward_dependency_cache.
14200 Handle spec_dependency_cache. Handle DEPS_LISTs.
14201 (fixup_sched_groups): Clarify the change of priority of output
14202 and anti dependencies.
14203 (sched_analyze_2): Adjust add_dependence calls to create data
14204 speculative dependence.
14205 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14206 Adjust all callers. Handle DEPS_LISTS.
14207 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14208 presence of speculation.
14209 (init_dependency_caches, free_dependency_caches):
14210 Handle spec_dependency_cache.
14211 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14212 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14213 New static functions.
14214 (add_or_update_back_dep, add_or_update_back_forw_dep,
14215 add_back_forw_dep, delete_back_forw_dep): New functions.
14216 * sched-int.h (ds_t, dw_t): New typedefs.
14217 (struct sched_info): Add new field flags.
14218 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14219 Prototype new sched-deps.c functions.
14220 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14221 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14222 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14223 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14224 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14225 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14227 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14229 * sched-rgn.c (current_sched_info): Initialize flags field.
14230 (schedule_insns): Initialize current_sched_info before the sched_init
14232 * sched-ebb.c (current_sched_info): Initialize flags field.
14233 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14234 Call add_or_update_back_dep instead of add_dependence.
14235 Create control speculative dependencies.
14236 (schedule_insns): Initialize current_sched_info before the sched_init
14239 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14241 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14243 (sh_fallback_frame_state): Likewise.
14245 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14247 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14248 Do switch on default_use_cxa_atexit.
14249 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14250 * config/darwin-crt3.o: New.
14251 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14252 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14253 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14255 * config/rs6000/t-darwin: Move crt2.o building to here.
14256 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14257 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14260 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14262 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14263 from '! xxx' to '!xxx' for coding-style conformance.
14264 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14265 (EXTRA_CONSTRAINT): Likewise.
14266 * config/vax/vax.md (four unnamed insns): Likewise.
14268 2006-03-15 Paul Brook <paul@codesourcery.com>
14270 * config/arm/arm.c (minipool_pad): New.
14271 (add_minipool_forward_ref): Include pool alignment padding in address
14273 (push_minipool_fix): Set minipool_pad.
14274 (minipool_pad): Ditto.
14276 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14278 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14279 instead of GET_CODE() == MEM and REG_P() instead of
14281 (print_operand_address): Likewise.
14282 (vax_address_cost): Likewise.
14283 (vax_rtx_costs): Likewise.
14284 (vax_notice_update_cc): Likewise.
14285 (vax_output_int_add): Likewise.
14286 (INDEX_REGISTER_P): Likewise.
14287 (BASE_REGISTER_P): Likewise.
14288 (nonindexed_address_p): Likewise.
14289 (vax_mode_dependent_address_p): Likewise.
14290 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14291 (PRINT_OPERAND): Likewise.
14292 * config/vax/vax.md (ashlsi3): Likewise.
14293 (ashlsi3): Likewise.
14294 (some more unnamed insns): Likewise.
14296 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14298 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14299 iterator-style macro.
14300 (mark_control_dependent_edges_necessary): Update the use of
14301 EXECUTE_IF_CONTROL_DEPENDENT.
14303 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14305 * config/sh/predicates.md (cache_address_operand): Special.
14306 (ua_address_operand): Likewise.
14308 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14310 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14312 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14314 2006-03-15 Andreas Schwab <schwab@suse.de>
14316 * gensupport.c (identify_predicable_attribute): Don't free p_false
14317 when it is still in use.
14319 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14321 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14322 the default setting here.
14324 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14326 * tree-pass.h (pass_cfg): Remove.
14327 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14328 * passes.c (pass_cfg): Don't run it.
14330 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14332 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14333 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14335 (stack_regs_mentioned): Update the uses of
14336 stack_regs_mentioned_data. Don't access the array beyond its
14338 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14339 Don't include gt-reg-stack.h.
14341 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14342 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14344 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14346 PR middle-end/26684
14347 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14350 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14352 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14354 2006-03-14 Richard Guenther <rguenther@suse.de>
14356 PR tree-optimization/26672
14357 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14360 2006-03-14 Richard Guenther <rguenther@suse.de>
14362 PR tree-optimization/26667
14363 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14364 node for the callees. Always allow inlining if it will shrink
14367 2006-03-14 Richard Guenther <rguenther@suse.de>
14369 PR middle-end/26659
14370 * builtins.c (get_pointer_alignment): Prefer alignment
14371 information from decls over that from types.
14373 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14376 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14378 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14380 * config/rs6000/rs6000.opt (mdlmzb): New option.
14381 (msched-prolog, msched-epilog): Use Var not Mask.
14382 * doc/invoke.texi (-mdlmzb): Document.
14383 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14385 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14386 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14388 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14390 PR rtl-optimization/25739
14391 * bt-load.c (augment_live_range): Free tos pointer.
14393 * gensupport.c (identify_predicable_attribute): Free
14395 * gcov.c (create_file_names): Free name pointer.
14397 2006-03-13 Roger Sayle <roger@eyesopen.com>
14399 PR middle-end/26557
14400 * stmt.c (emit_case_nodes): Handle the case where the index is a
14401 CONST_INT, where the comparison mode is specified by the index type.
14403 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14405 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14408 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14410 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14411 (*branch_fp_inverted): Likewise.
14413 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14415 PR middle-end/25989
14416 * omp-low.c (expand_omp_for_generic): Mark istart0
14417 and iend0 as addressable.
14419 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14421 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14423 2006-03-13 Jeff Law <law@redhat.com>
14425 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14426 virtual operands are interesting.
14427 (vrp_visit_stmt): Corresponding changes.
14429 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14431 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14433 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14434 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14435 * config/bfin/crti.S: Use it instead of __PIC__.
14436 * config/bfin/crtn.S: Likewise.
14438 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14439 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14441 Lose 'G' modifier for call operand.
14442 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14443 recognize 'G' modifier.
14445 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14447 PR middle-end/18859
14448 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14449 * stmt.c (expand_case): Likewise.
14451 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14453 PR rtl-optimization/26254
14454 * loop-invariant.c (seq_insns_valid_p): New function.
14455 (move_invariant_reg): Only emit new code if it is valid.
14457 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14459 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14461 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14462 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14463 (commit_one_edge_insertion): Do not look for loop notes.
14465 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14467 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14468 flag_test_coverage out of loop.
14470 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14472 * final.c (shorten_branches): Remove outdated comment, and turn
14473 the if branch that guards it to continue.
14475 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14477 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14478 * cfgloop.h (struct loop): Remove unused fields.
14480 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14482 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14483 (-dL, -fdump-rtl-loop2): Update the dump file names
14485 * doc/invoke.texi: Update dump file names.
14487 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14489 * predict.c (estimate_probability): Remove.
14490 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14491 * basic-block.h (estimate_probability): Remove prototype.
14492 * passes.c (finish_optimization_passes): Dump branch prediction or
14493 profiling heuristics to the .profile tree dump.
14494 (init_optimization_passes): Unqueue pass_branch_prob.
14496 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14498 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14500 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14501 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14503 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14505 * function.h (frame_offset_overflow): Declare.
14506 * function.c (frame_offset_overflow): New function.
14507 (assign_stack_local_1): Call it to detect that the offset overflows.
14508 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14510 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14512 * config/sh/sh.c: Include alloc-pool.h.
14513 (label_ref_list_pool): New alloc pool.
14514 (label_ref_list_t): New type for lists of labels.
14515 (struct pool_node): Make wend a label_ref_list_t.
14516 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14518 (dump_table): Likewise.
14519 (sh_reorg): Set up the alloc pool before using add_constant and
14520 dump_table, and destroy it when finishing.
14522 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14524 * config/mips/mips.c: Remove redundant comment.
14526 2006-03-10 Jason Merrill <jason@redhat.com>
14529 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14530 the target was declared 'register'.
14532 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14534 * genpreds.c (write_insn_constraint_len): Change definition of
14535 insn_constraint_len to return size_t to match the declaration.
14537 2006-03-10 DJ Delorie <dj@redhat.com>
14539 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14541 (m32c_expand_insv): Fix test for an AND mask.
14543 2006-03-10 Richard Guenther <rguenther@suse.de>
14545 PR middle-end/26565
14546 * builtins.c (get_pointer_alignment): Handle component
14547 references for field alignment.
14549 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14551 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14552 when building with libgloss.
14553 (sh*elf): Implement --without-fp option.
14554 (sh64-superh-linux*): Don't multilib.
14556 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14558 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14560 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14562 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14563 Set it when one of the replacement functions returned true.
14564 Return TODO_cleanup_cfg if cfgchanged is true.
14565 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14567 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14569 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14570 instead of gen_lowpart.
14572 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14574 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14576 (mips_output_order_conditional_branch): Declare.
14577 * config/mips/mips.h (MIPS_BRANCH): New macro.
14578 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14579 for the comparison. Use gen_condjump.
14580 (mips_output_conditional_branch): Rework interface to take the
14581 asm templates for a direct branch and the inverse of a direct branch.
14582 (mips_output_order_conditional_branch): New function.
14583 (mips_builtin_branch_and_move): New function.
14584 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14585 branch condition. Use gen_single_cc as the condition for
14586 __builtin_mips_upper_* or __builtin_mips_lower_*.
14587 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14588 Use VOIDmode for the branch condition.
14589 * config/mips/predicates.md (order_operator): New predicate.
14590 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14591 (branch_fp): Rename to...
14592 (*branch_fp): ...this. Remove mode from comparison operator.
14593 Use new mips_output_conditional_branch interface.
14594 (branch_fp_inverted): Rename to...
14595 (*branch_fp_inverted): ...this and update as for *branch_fp.
14596 (*branch_zero<mode>): Rename to...
14597 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14598 Use mips_output_order_conditional_branch. Only accept ordered
14600 (*branch_zero<mode>_inverted): Rename to...
14601 (*branch_order<mode>_inverted): ...this and update as for
14602 *branch_order<mode>.
14603 (*branch_equality<mode>): Accept zero as the second operand to
14604 the equality operator. Use the new mips_output_conditional_branch
14606 (*branch_equality<mode>_inverted): Likewise.
14607 (condjump): New expander.
14608 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14610 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14611 (bc1any2t, bc1any2f): Likewise.
14612 (single_cc): New expander.
14613 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14615 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14617 * doc/md.texi: Update documentation of MIPS constraints.
14618 * config/mips/constraints.md: New file.
14619 * config/mips/mips.md: Include it.
14620 * config/mips/mips.c (mips_char_to_class): Delete.
14621 (override_options): Don't initialize mips_char_to_class.
14622 * config/mips/mips.h (mips_char_to_class): Delete.
14623 (REG_CLASS_FROM_LETTER): Delete.
14624 (CONST_OK_FOR_LETTER_P): Delete.
14625 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14626 (EXTRA_CONSTRAINT_Y): Delete.
14627 (EXTRA_CONSTRAINT_STR): Delete.
14628 (CONSTRAINT_LEN): Delete.
14629 (EXTRA_MEMORY_CONSTRAINT): Delete.
14631 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14633 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14634 original fn's eh regions.
14636 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14638 * fold-const.c (build_range_check): Make sure to use a valid type to
14639 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14642 (range_predecessor): New static function.
14643 (range_successor): Likewise.
14644 (merge_ranges): Use them to compute predecessors and successors of
14647 2006-03-09 Roger Sayle <roger@eyesopen.com>
14649 PR middle-end/26561
14650 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14651 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14653 2006-03-08 DJ Delorie <dj@redhat.com>
14655 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14656 (addpsi3): Expand to include memory operands. Remove
14657 reload-specific splits.
14658 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14659 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14660 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14661 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14662 (shift1_qi, shift1_hi, insv): New.
14663 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14664 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14665 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14667 * config/m32c/m32c-protos.h: Update as needed.
14668 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14669 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14670 Fail for unrecognized R* constraints.
14671 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14672 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14673 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14675 (m32c_init_libfuncs): New.
14676 (m32c_legitimate_address_p): Add debug wrapper.
14677 (m32c_rtx_costs): New.
14678 (m32c_address_cost): New.
14679 (conversions): Add 'B' prefix.
14680 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14681 operands, or word regnames for QI operands. 'B' prints bit
14683 (m32c_expand_setmemhi): New.
14684 (m32c_expand_movmemhi): New.
14685 (m32c_expand_movstr): New.
14686 (m32c_expand_cmpstr): New.
14687 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14688 (m32c_expand_neg_mulpsi3): Handle non-ints.
14689 (m32c_cmp_flg_0): New.
14690 (m32c_expand_movcc): New.
14691 (m32c_expand_insv): New.
14692 (m32c_scc_pattern): New.
14693 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14694 a0/a1 out of SIregs.
14695 (STORE_FLAG_VALUE): New.
14696 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14699 * config/m32c/mov.md: Make constraints more liberal.
14700 (zero_extendqihi2): Optimize r0/r1 case.
14701 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14702 * config/m32c/predicates.md (m32c_any_operand): New.
14703 (m32c_nonimmediate_operand): New.
14704 (m32c_hl_operand): New.
14705 (m32c_r3_operand): New.
14708 (memsym_operand): New.
14709 (memimmed_operand): New.
14710 (a_qi_operand): New.
14711 (m32c_eqne_operator): New.
14712 (m32c_1bit8_operand): New.
14713 (m32c_1bit16_operand): New.
14714 (m32c_1mask8_operand): New.
14715 (m32c_1mask16_operand): New.
14716 * config/m32c/blkmov.md: New file.
14717 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14719 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14721 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14722 unsigned to fix signed/unsigned comparison issue in
14723 DWARF2_FRAME_REG_OUT.
14724 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14725 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14727 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14728 of ptr into the ENABLE_CHECKING section.
14730 2006-03-08 Jeff Law <law@redhat.com>
14732 * tree-vrp.c (infer_value_range): Only count pointer uses
14733 and dereferences if -fdelete-null-pointer-checks is enabled.
14735 * tree-vrp.c (find_assert_locations): Infer value ranges for
14736 single use pointers, but do not create ASSERT_EXPRs for them.
14737 When a non-null range is inferred for a pointer, backwards
14738 propagate that range to other equivalent pointers through the
14741 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14744 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14745 language hook targets.
14746 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14747 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14748 if language hook targets were missing.
14750 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14752 * tree-ssa-opfinalize.h: Removed.
14753 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14755 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14756 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14757 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14758 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14759 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14760 finalize_ssa_v_must_def_ops): New.
14762 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14764 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14765 block as parameter.
14767 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14769 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14771 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14772 addresses with offsets; reorganize.
14774 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14775 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14776 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14778 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14781 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14783 2006-03-08 Ben Elliston <bje@au.ibm.com>
14785 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14787 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14790 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14793 2006-03-07 Richard Guenther <rguenther@suse.de>
14795 PR tree-optimization/26587
14796 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14798 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14800 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14802 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14804 * hooks.c (hook_bool_mode_rtx_true): New function.
14805 * hooks.h (hook_bool_mode_rtx_true): Declare.
14806 * toplev.c (compile_file): Call output_shared_constant_pool.
14807 * varasm.c (shared_constant_pool): New variable.
14808 (assemble_start_function, assemble_end_function): Remove arguments
14809 from call to output_constant_pool.
14810 (create_constant_pool): New function, split out from...
14811 (init_varasm_status): ...here.
14812 (force_const_mem): Choose between the shared and per-function constant
14813 pools. Set current_function_uses_const_pool when reusing old entries
14814 as well as when creating new ones.
14815 (mark_constant): Ignore data argument.
14816 (mark_constants): Remove pool argument.
14817 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14818 to decide whether the function uses a constant pool.
14819 (output_constant_pool_contents): New function, split out from...
14820 (output_constant_pool): ...here.
14821 (output_shared_constant_pool): New function.
14822 (init_varasm_once): Initialize shared_constant_pool.
14823 * output.h (output_constant_pool): Delete.
14824 (output_shared_constant_pool): Declare.
14825 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14826 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14828 2006-03-06 Nick Clifton <nickc@redhat.com>
14830 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14831 flag_strength_reduce.
14833 2006-03-06 Ben Elliston <bje@au.ibm.com>
14835 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14836 x86_64-*-linux* configurations.
14838 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14839 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14841 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14843 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14845 * basic-block.h: Remove the extern for
14846 rediscover_loops_after_threading.
14848 * cfgloop.c (cancel_loop): Make it static.
14849 * cfgloop.h: Remove the prototype for cancel_loop.
14851 * flow.c (recompute_reg_usage): Make it static.
14852 * rtl.h: Remove the prototype for recompute_reg_usage.
14854 * function.c (use_return_register): Make it static.
14855 * function.h: Remove the prototype.
14857 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14859 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14861 * recog.h: Remove the prototype for
14862 validate_change_maybe_volatile.
14864 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14866 * rtlanal.c (replace_reg): Remove.
14867 * rtl.h: Remove the prototype for replace_reg.
14869 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14871 * regclass.c (reg_scan_update): Remove.
14872 (reg_scan_mark_refs): Remove the last argument.
14873 * rtl.h: Remove the prototype for reg_scan_update.
14875 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14877 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14878 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14879 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14880 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14881 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14882 loop-invariant.c, omp-low.c, opts.c, passes.c,
14883 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14884 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14885 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14886 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14887 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14888 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14890 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14892 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14893 * dwarf2out.h: Remove the prototype for
14894 dwarf2out_add_library_unit_info.
14896 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14898 * tree.c (add_var_to_bind_expr): Remove.
14899 * tree.h: Remove the prototype for add_var_to_bind_expr.
14901 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14903 * regclass.c (n_non_fixed_regs): Remove.
14904 (init_reg_sets_1, globalize_reg): Remove all uses of
14906 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14908 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14910 * rtlanal.c (insns_safe_to_move_p): Remove.
14911 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14913 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14915 * expmed.c (expand_mult_add): Remove.
14916 * expr.h: Remove the prototype for expand_mult_add.
14918 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14920 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14921 and REG_SAVED_VAL_EXP constants.
14922 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14923 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14924 Handle regs stored by value.
14925 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14926 (execute_cfa_program): Handle DW_CFA_val_offset,
14927 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14928 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14929 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14930 (uw_install_context_1): Handle target regs stored by value.
14932 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14934 * tree-sra.c (tree_sra): Return todoflags;
14935 (generate_one_element): Set TODO_update_smt_usage if needed.
14936 (pass_sra): Remove TODO_update_smt_usage.
14937 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14939 (tree_ssa_forward_propagate_single_use_vars): Return
14940 TODO_update_smt_usage if we need to update SMT usage.
14941 (pass_forwprop): Remove TODO_update_smt_usage.
14943 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14945 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14946 (correct_use_link): Remove reference to get_stmt_operands.
14947 (update_stmt_operands): Likewise.
14948 (get_modify_expr_operands): New function factored out of
14949 parse_ssa_operands and get_expr_operands.
14950 Try to create V_MUST_DEFs for LHS by default.
14951 (get_expr_operands) <case MODIFY_EXPR>: Call
14952 get_modify_expr_operands.
14953 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14954 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14955 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14956 get_modify_expr_operands.
14958 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14960 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14961 * tree-flow.h: Remove the prototype for
14962 referenced_var_lookup_if_exists.
14964 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14966 PR rtl-optimization/26345
14968 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14970 2006-03-03 Roger Sayle <roger@eyesopen.com>
14972 PR tree-optimization/26524
14973 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14974 fold_convert to create a constant of the appropriate type.
14976 2006-03-03 Richard Sandiford <richard@codesourcery.com>
14978 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14979 SYMBOL_REF_IN_BLOCK_P.
14980 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
14981 of SYMBOL_FLAG_IN_BLOCK.
14982 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
14983 instead of SYMBOL_REF_IN_BLOCK_P.
14984 * explow.c (use_anchored_address): Likewise.
14985 * rtl.c (rtx_size): Likewise.
14986 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14987 instead of SYMBOL_FLAG_IN_BLOCK.
14988 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14989 SYMBOL_REF_IN_BLOCK_P.
14990 (assemble_variable): Likewise.
14991 (output_constant_def_contents): Likewise.
14992 (output_constant_pool): Likewise.
14993 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14994 instead of SYMBOL_FLAG_IN_BLOCK.
14995 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14996 SYMBOL_REF_IN_BLOCK_P.
14997 (SYMBOL_REF_BLOCK): Likewise.
14998 (SYMBOL_REF_OFFSET): Likewise.
14999 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15000 SYMBOL_REF_IN_BLOCK_P.
15001 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15002 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15003 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15004 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15006 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15008 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15010 2006-03-02 Roger Sayle <roger@eyesopen.com>
15012 * simplify-rtx.c (simplify_unary_operation): When simplifying
15013 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15014 that we perform the right shift in the appropriate mode, and
15015 then extend or truncate the result to requested mode.
15017 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15019 * gengtype.c (main): Handle double_int type.
15020 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15021 * double-int.c: New file.
15022 * double-int.h: New file.
15023 * system.h: Include doubleint.h.
15024 * Makefile.in (SYSTEM_H): Include double-int.h.
15025 (double-int.o): Add.
15027 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15030 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15033 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15035 * tree-vrp.c (remove_range_assertions): Do not update statements
15038 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15040 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15042 * gcse.c (rest_of_handle_gcse): Ditto.
15043 * except.c (gate_handle_eh): Ditto.
15044 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15045 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15047 2006-03-02 Eric Christopher <echristo@apple.com>
15049 * config/i386/i386.c (machopic_output_stub): Add indirection to
15052 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15056 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15058 Sun Niagara specific optimizations.
15059 * config.gcc: Recognize niagara as target.
15060 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15061 (TARGET_CPU_niagara): Define.
15062 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15063 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15064 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15065 (ASM_CPU_SPEC): Likewise.
15066 (PROCESSOR_NIAGARA): New enum entry.
15067 (REGISTER_MOVE_COST): Handle Niagara.
15068 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15069 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15070 (sparc_override_options): Recognize "niagara", set appropriate
15071 default MASK_* values for it, and align functions to 32-bytes
15072 by default just like ULTRASPARC/ULTRASPARC3.
15073 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15074 (sparc64_initialize_trampoline): Likewise.
15075 (sparc_use_sched_lookahead): Use zero for niagara.
15076 (sparc_issue_rate): Use one for niagara.
15077 * config/sparc/niagara.md: New file.
15078 * config/sparc/sparc.md: Include it.
15079 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15080 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15081 when default cpu is niagara.
15082 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15083 (ASM_CPU_SPEC): Likewise.
15084 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15085 when default cpu is niagara.
15086 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15087 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15088 just like v9/ultrasparc/ultrasparc3.
15089 * doc/invoke.texi: Add documentation for "niagara" and improve
15090 existing documentation for ultrasparc variants.
15092 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15094 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15096 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15098 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15099 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15100 and say that only one is needed.
15101 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15102 * target.h (have_switchable_bss_sections): New hook.
15103 * explow.c (use_anchored_address): Check that the symbol is in a block.
15104 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15105 (bss_noswitch_section): New variables.
15106 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15107 (get_noswitch_section): New function.
15108 (get_block_for_section): Allow SECT to be null.
15109 (unlikely_text_section_p): Use SECTION_STYLE.
15110 (bss_initializer_p): New function.
15111 (get_variable_section): Move earlier in file. Take a new argument,
15112 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15113 Return one of the new *_sections in such cases.
15114 (get_block_for_decl): New function, extracting some logic from
15115 use_blocks_for_decl_p.
15116 (change_symbol_section): Remove in favor of...
15117 (change_symbol_block): ...this new function.
15118 (use_blocks_for_decl_p): Remove checks now performed by
15119 get_block_for_decl.
15120 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15121 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15122 (emit_local, emit_bss, emit_common): ...these new functions.
15123 Return true if the alignment was honored.
15124 (emit_tls_common): New function.
15125 (asm_emit_uninitialised): Delete.
15126 (assemble_variable_noswitch): New function, split out from...
15127 (assemble_variable): ...here. Don't make decisions about common
15128 variables here. Globalize all public decls that go into non-common
15129 sections. Check whether SYMBOL_REF_BLOCK is null.
15130 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15131 (output_constant_pool): Likewise.
15132 (init_varasm_once): Initialize the new section variables.
15133 (have_global_bss_p): New function.
15134 (categorize_decl_for_section): Use bss_initializer_p.
15135 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15136 (place_block_symbol): Assert that the symbol must be in a block.
15137 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15138 (TARGET_INITIALIZER): Include it.
15139 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15140 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15141 (SECTION_MACH_DEP): Bump by two.
15142 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15143 (unnamed_section): Mention SECTION_UNNAMED in comment.
15144 (named_section): Likewise SECTION_NAMED.
15145 (noswitch_section_callback): New type.
15146 (noswitch_section): New structure.
15147 (section): Add a noswitch_section alternative.
15148 (SECTION_STYLE): New macro.
15149 (tls_comm_section, comm_section, lcomm_section): Declare.
15150 (bss_noswitch_section, have_global_bss_p): Declare.
15151 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15152 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15154 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15155 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15158 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15160 * tree-vrp.c (execute_vrp): Return value.
15161 * regrename.c (rest_of_handle_regrename): Ditto.
15162 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15163 * tree-complex.c (tree_lower_complex): Ditto.
15164 (tree_lower_complex_O0): Ditto.
15165 * tracer.c (rest_of_handle_tracer): Ditto.
15166 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15167 * postreload.c (rest_of_handle_postreload): Ditto.
15168 * tree-tailcall.c (execute_tail_recursion): Ditto.
15169 (execute_tail_calls): Ditto.
15170 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15171 * tree.h (init_function_for_compilation): Ditto.
15172 * ipa-cp.c (ipcp_driver): Ditto.
15173 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15174 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15175 * final.c (compute_alignments): Ditto.
15176 (rest_of_handle_final): Ditto.
15177 (rest_of_handle_shorten_branches): Ditto.
15178 (rest_of_clean_state): Ditto.
15179 * omp-low.c (execute_expand_omp): Ditto.
15180 (execute_lower_omp): Ditto.
15181 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15182 * ipa-reference.c (static_execute): Ditto.
15183 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15184 * reorg.c (rest_of_handle_delay_slots): Ditto.
15185 (rest_of_handle_machine_reorg): Ditto.
15186 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15187 * flow.c (recompute_reg_usage): Ditto.
15188 (rest_of_handle_remove_death_notes): Ditto.
15189 (rest_of_handle_life): Ditto.
15190 (rest_of_handle_flow2): Ditto.
15191 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15192 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15193 (do_ssa_store_ccp): Ditto.
15194 (execute_fold_all_builtins): Ditto.
15195 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15196 * modulo-sched.c (rest_of_handle_sms): Ditto.
15197 * ipa-pure-const.c (static_execute): Ditto.
15198 * cse.c (rest_of_handle_cse): Ditto.
15199 (rest_of_handle_cse2): Ditto.
15200 * web.c (rest_of_handle_web): Ditto.
15201 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15202 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15203 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15204 * tree-nrv.c (tree_nrv): Ditto.
15205 (execute_return_slot_opt): Ditto.
15206 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15207 (create_structure_vars): Ditto.
15208 * loop-init.c (rtl_loop_init): Ditto.
15209 (rtl_loop_done): Ditto.
15210 (rtl_move_loop_invariants): Ditto.
15211 (rtl_unswitch): Ditto.
15212 (rtl_unroll_and_peel_loops): Ditto.
15213 (rtl_doloop): Ditto.
15214 * gimple-low.c (lower_function_body): Ditto.
15215 (mark_used_blocks): Ditto.
15216 * tree-ssa-sink.c (execute_sink_code): Ditto.
15217 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15218 (cgraph_early_inlining): Ditto.
15219 * global.c (rest_of_handle_global_alloc): Ditto.
15220 * jump.c (cleanup_barriers): Ditto.
15221 (purge_line_number_notes): Ditto.
15222 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15223 (rest_of_handle_if_after_reload): Ditto.
15224 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15225 (tree_ssa_loop_im): Ditto.
15226 (tree_ssa_loop_unswitch): Ditto.
15227 (tree_vectorize): Ditto.
15228 (tree_linear_transform): Ditto.
15229 (tree_ssa_loop_ivcanon): Ditto.
15230 (tree_ssa_empty_loop): Ditto.
15231 (tree_ssa_loop_bounds): Ditto.
15232 (tree_complete_unroll): Ditto.
15233 (tree_ssa_loop_prefetch): Ditto.
15234 (tree_ssa_loop_ivopts): Ditto.
15235 (tree_ssa_loop_done): Ditto.
15236 * predict.c (tree_estimate_probability): Ditto.
15237 * recog.c (split_all_insns_noflow): Ditto.
15238 (rest_of_handle_peephole2): Ditto.
15239 (rest_of_handle_split_all_insns): Ditto.
15240 * tree-eh.c (lower_eh_constructs): Ditto.
15241 * regmove.c (rest_of_handle_regmove): Ditto.
15242 (rest_of_handle_stack_adjustments): Ditto.
15243 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15244 * function.c (instantiate_virtual_regs): Ditto.
15245 (init_function_for_compilation): Ditto.
15246 (rest_of_handle_check_leaf_regs): Ditto.
15247 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15248 (rest_of_handle_gcse): Ditto.
15249 * ipa-type-escape.c (type_escape_execute): Ditto.
15250 * alias.c (rest_of_handle_cfg): Ditto.
15251 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15252 * profile.c (rest_of_handle_branch_prob): Ditto.
15253 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15254 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15255 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15256 * tree-dfa.c (find_referenced_vars): Ditto.
15257 * except.c (set_nothrow_function_flags): Ditto.
15258 (convert_to_eh_region_ranges): Ditto.
15259 (rest_of_handle_eh): Ditto.
15260 * emit-rtl.c (unshare_all_rtl): Ditto.
15261 (remove_unnecessary_notes): Ditto.
15262 * except.h (set_nothrow_function_flags): Ditto.
15263 (convert_to_eh_region_ranges): Ditto.
15264 * cfgexpand.c (tree_expand_cfg): Ditto.
15265 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15266 * tree-ssa-pre.c (do_pre): Ditto.
15267 (execute_fre): Ditto.
15268 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15269 (rest_of_handle_jump2): Ditto.
15270 * tree-sra.c (tree_sra): Ditto.
15271 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15272 (execute_mudflap_function_decls): Ditto.
15273 * tree-ssa-copy.c (do_copy_prop): Ditto.
15274 (do_store_copy_prop): Ditto.
15275 * ipa-prop.h (ipcp_driver): Ditto.
15276 * cfglayout.c (insn_locators_initialize): Ditto.
15277 * tree-ssa-forwprop.c
15278 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15279 * cfglayout.h (insn_locators_initialize): Ditto.
15280 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15281 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15282 (execute_late_warn_uninitialized): Ditto.
15283 * rtl.h (cleanup_barriers): Ditto.
15284 (split_all_insns_noflow): Ditto.
15285 (purge_line_number_notes): Ditto.
15286 (unshare_all_rtl): Ditto.
15287 (remove_unnecessary_notes): Ditto.
15288 (recompute_reg_usage): Ditto.
15289 (variable_tracking_main): Ditto.
15290 * integrate.c (emit_initial_value_sets): Ditto.
15291 * integrate.h (emit_initial_value_sets): Ditto.
15292 * tree-optimize.c (execute_free_datastructures): Ditto
15293 (execute_free_cfg_annotations): Ditto.
15294 (execute_fixup_cfg): Ditto.
15295 (execute_cleanup_cfg_pre_ipa): Ditto.
15296 (execute_cleanup_cfg_post_optimizing): Ditto.
15297 (execute_init_datastructures): Ditto.
15298 * tree-object-size.c (compute_object_sizes): Ditto.
15299 * combine.c (rest_of_handle_combine): Ditto.
15300 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15301 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15302 (rest_of_handle_reorder_blocks): Ditto.
15303 (rest_of_handle_partition_blocks): Ditto.
15304 * var-tracking.c (variable_tracking_main): Ditto.
15305 * tree-profile.c (tree_profiling): Ditto.
15306 * tree-vect-generic.c (expand_vector_operations): Ditto.
15307 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15308 * sched-rgn.c (rest_of_handle_sched): Ditto.
15309 (rest_of_handle_sched2): Ditto.
15310 * basic-block.h (free_bb_insn): Ditto.
15311 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15312 * tree-cfg.c (execute_build_cfg): Ditto.
15313 (remove_useless_stmts): Ditto.
15314 (split_critical_edges): Ditto.
15315 (execute_warn_function_return): Ditto.
15316 (execute_warn_function_noreturn): Ditto.
15317 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15318 * cfgrtl.c (free_bb_for_insn): Ditto.
15319 * passes.c (execute_one_pass): Run additional
15320 todos returned by execute function.
15321 * tree-pass.h (struct tree_opt_pass): Make execute
15324 2006-03-02 Richard Guenther <rguenther@suse.de>
15326 * tree-ssa-alias.c (find_used_portions): Consider taking
15327 the address as making the variable not write-only.
15329 2006-03-02 Nick Clifton <nickc@redhat.com>
15331 * config.gcc (default_use_cxa_atexit): Extend the description of
15332 this configure variable. Set its default value to "yes" for
15333 Linux, NetBSD and ELF targets on the assumption that they will
15334 use C libraries with the __cxa_atexit function.
15336 2006-03-02 Ben Elliston <bje@au.ibm.com>
15338 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15339 parameter as unused to suppress a build warning.
15341 2006-03-02 Ben Elliston <bje@au.ibm.com>
15343 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15346 2006-03-01 Roger Sayle <roger@eyesopen.com>
15349 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15350 declared name, the weak reference name, and the typeof name.
15351 (__gthrw): Avoid expanding the declared name suffix.
15352 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15354 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15356 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15358 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15359 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15360 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15361 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15362 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15363 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15364 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15365 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15366 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15367 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15368 (DW_END_default, DW_END_big, DW_END_little): New.
15369 (DW_END_lo_user, DW_END_hi_user): Define.
15370 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15371 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15372 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15375 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15377 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15379 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15381 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15383 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15385 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15386 to 'symbol_mem_tag'.
15388 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15391 2006-03-01 Roger Sayle <roger@eyesopen.com>
15393 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15395 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15398 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15399 MACHO_DYNAMIC_NO_PIC_P.
15400 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15402 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15405 * config/darwin-protos.h (darwin_asm_output_anchor):
15407 * config/darwin-sections.def (cstring_section):
15408 Add SECTION_MERGE to the flags.
15409 (literal4_section): Likewise.
15410 (literal8_section): Likewise.
15411 (objc_selector_refs_section): Likewise.
15412 (objc_cls_refs_section): Likewise.
15413 * config/darwin.c (darwin_asm_output_anchor): New
15415 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15417 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15419 Fix PR tree-optimization/26443
15420 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15421 to todo and PROP_tmt_usage to properties_destroyed.
15422 * tree-ssa-ccp.c (pass_ccp): Ditto.
15423 (pass_store_ccp): Ditto.
15424 * tree-ssa-dom.c (pass_dominator): Ditto.
15426 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15428 * tree-ssa-operands.c: Cleanup whitespace.
15429 (get_asm_expr_operands): Move before first invocation.
15430 (get_indirect_ref_operands): Likewise.
15431 (get_tmr_operands): Likewise.
15432 (get_call_expr_operands): Likewise.
15433 (append_def): Likewise.
15434 (append_use): Likewise.
15435 (append_v_may_def): Likewise.
15436 (append_v_must_def): Likewise.
15437 (add_call_clobber_ops): Likewise.
15438 (add_call_read_ops): Likewise.
15439 (add_stmt_operand): Likewise.
15440 (add_virtual_operand): Likewise.
15441 (build_ssa_operands): Likewise.
15443 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15445 PR middle-end/26022
15447 PR middle-end/24437
15448 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15449 with a call expr to ...
15450 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15452 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15454 * tree-vrp.c (extract_range_from_assert): Remove special
15455 handling for types with super-types.
15457 2006-03-01 Ben Elliston <bje@au.ibm.com>
15459 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15460 and powerpc64-*-linux* configurations.
15461 * config/t-dfprules: New file.
15463 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15464 Compile dfp-bit.c from the source directory using -DWIDTH and
15465 $DFP_CFLAGS to control the compilation of that file, rather than
15466 generating width-specific versions in the build directory.
15467 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15468 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15470 2006-02-28 Zack Weinberg <zackw@panix.com>
15472 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15475 2006-02-28 Eric Christopher <echristo@apple.com>
15477 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15478 Set up IN_LIBGCC definition of TARGET_64BIT.
15479 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15481 2006-02-28 Roger Sayle <roger@eyesopen.com>
15483 PR middle-end/14752
15484 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15485 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15486 cases via the construction of "expr != 0".
15488 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15490 * alias.c (alias_invariant, alias_invariant_size): Remove.
15491 (record_base_value): Remove.
15492 (memrefs_conflict_p): Don't look at alias_invariant.
15493 (end_alias_analysis): Don't free it.
15494 * alias.h (record_base_value): Remove prototype.
15496 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15497 Adam Nemet <anemet@caviumnetworks.com>
15499 * rtl.h (truncated_to_mode): Declare it.
15500 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15501 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15502 (RTL_HOOKS_INITIALIZER): Include it.
15503 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15504 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15505 reg_truncated_to_mode.
15506 * rtlanal.c (truncated_to_mode): Define it.
15507 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15509 2006-02-28 Jeff Law <law@redhat.com>
15511 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15512 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15513 the range allowed by TYPE_PRECISION.
15515 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15517 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15519 PR tree-optimization/26419
15520 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15523 2006-02-27 Zack Weinberg <zackw@panix.com>
15525 * doc/md.texi: Fix typo in previous change.
15527 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15531 2006-02-27 Zack Weinberg <zackw@panix.com>
15533 * rtl.def (define_constraint, define_register_constraint)
15534 (define_memory_constraint, define_address_constraint): New MD forms.
15535 * gensupport.c (process_rtx): Put define_constraint etc on the
15537 * genpreds.c (process_define_predicate): Adjust comment. Validate
15538 the name, and call validate_exp to validate the expression.
15539 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15540 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15541 all callers changed.
15542 (validate_exp, needs_variable, struct constraint_data)
15543 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15544 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15545 (const_dbl_constraints, constraint_max_namelen)
15546 (have_register_constraints, have_memory_constraints)
15547 (have_address_constraints, have_address_constraints)
15548 (have_extra_constraints, have_const_int_constraints)
15549 (have_const_dbl_constraints, mangle, add_constraint)
15550 (process_define_constraint, process_define_register_constraint)
15551 (write_enum_constraint_num, write_lookup_constraint)
15552 (write_insn_constraint_len, write_regclass_for_constraint)
15553 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15554 (write_insn_extra_memory_constraint)
15555 (write_insn_extra_address_constraint)
15556 (write_satisfies_constraint_fns): New.
15557 (write_tm_preds_h): If we have new-style constraint definitions,
15558 prototype the functions generated from them, and define the
15559 old constraint interface (still used by generic code) in terms of
15561 (write_insn_preds_c): If we have new-style constraint definitions,
15562 generate all relevant functions from those definitions.
15563 (main): Handle define_constraint etc.
15564 * genoutput.c (struct constraint_data, indep_constraints)
15565 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15566 (mdep_constraint_len): New data structures and functions, defined
15567 #ifdef USE_MD_CONSTRAINTS.
15568 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15569 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15570 use new logic to validate operand constraints against constraint
15572 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15574 * defaults.h: If none of the old-style constraint macros are
15575 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15576 old-style macros; and poison REG_CLASS_FROM_LETTER,
15577 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15579 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15580 * doc/md.texi: Document new constraint-definition mechanism and the
15581 C interface it provides. Remove references to old mechanism
15582 elsewhere in the document.
15583 (Machine Constraints): Use pathnames relative to gcc directory,
15584 i.e. config/ARCH/FILE. Change i386 section to refer to
15585 config/i386/predicates.md; update that section to match docstrings.
15586 * doc/tm.texi: Move all documentation of the old constraint-
15587 definition macros to their own section, clearly mark as obsolete.
15589 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15590 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15592 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15593 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15594 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15595 constraint strings.
15596 (splits and peepholes): Use satisfies_constraint_*.
15597 * config/i386/i386.c (memory_address_length)
15598 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15600 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15602 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15603 scalar operation to be put back into the loop.
15605 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15608 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15609 (extract_cie_info): Handle S flag in augmentation string.
15610 (execute_cfa_program): If context->signal_frame, execute also
15611 fs->pc == context->ra instructions.
15612 (uw_frame_state_for): If context->signal_frame, don't subtract one
15613 from context->ra to find FDE.
15614 (uw_update_context_1): Set context->signal_frame to
15616 (_Unwind_GetIPInfo): New function.
15617 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15618 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15620 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15621 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15622 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15623 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15624 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15625 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15626 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15627 x86_64_fallback_frame_state): Set fs->signal_frame.
15628 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15629 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15630 (frob_update_context): Likewise. Workaround missing S flag in
15631 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15632 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15633 Remove the psw_addr + 1 hack.
15635 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15637 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15638 with aggregates here.
15639 (find_func_aliases): Remove code for &<aggregate> from here.
15641 2006-02-26 Roger Sayle <roger@eyesopen.com>
15643 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15644 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15645 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15646 as (X & C) ne/eq 0.
15648 2006-02-26 Roger Sayle <roger@eyesopen.com>
15650 PR middle-end/19983
15651 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15653 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15655 * opts.c (decode_options): Do not handle flag_strength_reduce.
15656 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15657 and OPT_fstrength_reduce.
15658 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15659 flag_prefetch_loop_arrays for being nonzero.
15660 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15662 (fprefetch-loop-arrays-rtl): Removed.
15663 (flag_prefetch_loop_arrays): Do not specify the value.
15665 * doc/passes.texi: Update documentation of loop optimizer
15667 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15668 -frerun-loop-opt): Remove.
15670 2006-02-26 Richard Guenther <rguenther@suse.de>
15672 PR tree-optimization/26421
15673 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15674 in function calls that are ADDR_EXPRs as using the whole structure.
15676 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15678 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15679 * tree-pass.h (pass_loop_optimize): Remove.
15680 * passes.c (pass_loop_optimize): Never run it.
15681 * toplev.c (backend_init): Don't call init_loop.
15682 * opts.c (flag_loop_optimize_set): Remove.
15683 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15684 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15685 the old RTL loop optimizer when profiling enabled.
15686 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15687 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15688 pre-headers for the sake of the old RTL loop optimizer.
15689 * Makefile.in: Remove all references to loop.o.
15691 * doc/invoke.texi: Remove all references to -floop-optimize
15692 and -frerun-loop-opt.
15694 2006-02-26 Zack Weinberg <zackw@panix.com>
15696 * doc/md.texi (Machine Constraints): Refer to all files with paths
15697 relative to gcc directory (i.e. config/CPU/file). Add missing
15698 @table @code ... @end table to M32C subsection.
15700 2006-02-26 Roger Sayle <roger@eyesopen.com>
15702 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15704 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15706 2006-02-26 Roger Sayle <roger@eyesopen.com>
15707 James A. Morrison <phython@gcc.gnu.org>
15709 PR middle-end/21137
15710 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15711 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15712 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15713 signedness of the shift operation.
15715 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15717 PR tree-optimization/26359
15718 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15720 2006-02-25 Roger Sayle <roger@eyesopen.com>
15722 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15723 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15724 as X == 0, and some symmetry related transformations.
15725 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15727 2006-02-25 Roger Sayle <roger@eyesopen.com>
15729 PR middle-end/23673
15730 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15731 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15732 symmetry related transformations. Fold (X^C1) == C2 as
15735 2006-02-25 Juergen Weigert <jw@suse.de>
15736 Richard Guenther <rguenther@suse.de>
15738 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15740 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15742 * combine.c (gen_lowpart_or_truncate): Call
15743 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15745 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15747 * doc/invoke.texi: Move -fopenmp description to "Options for
15749 Remove reference to -lgomp.
15751 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15753 * doc/install.texi: Require GNU tar version 1.14.
15755 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15757 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15758 * doc/invoke.texi (C++ Dialect Options): Document
15759 -fno-use-cxa-get-exception-ptr.
15760 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15761 * configure: Regenerate.
15762 * c.opt (fuse-cxa-get-exception-ptr): New.
15763 * c-opts.c (c_common_handle_option): Handle
15764 OPT_fuse_cxa_get_exception_ptr.
15765 * c-common.c (flag_use_cxa_atexit): Update documentation.
15766 (flag_use_cxa_get_exception_ptr): New.
15767 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15768 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15770 (C_COMMON_OVERRIDE_OPTIONS): New.
15772 2006-02-24 Roger Sayle <roger@eyesopen.com>
15774 PR middle-end/24952
15775 * combine.c (try_combine): Explicitly check whether GET_CODE is
15776 a SET or a CLOBBER, instead on checking that it isn't a USE.
15778 2006-02-24 Roger Sayle <roger@eyesopen.com>
15780 * fold-const.c (fold_comparison): New subroutine of fold_binary
15781 containing transformations common to both the equality and
15782 ordering relational operators, factored out of fold_binary.
15783 (fold_binary): Separate out the equality operators (EQ_EXPR
15784 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15785 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15786 transformations common to both.
15787 (fold_div_compare): Fix latent bugs in the previously unreachable
15788 LT_EXPR and GE_EXPR cases.
15790 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15792 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15793 decl libname for clog to __clog on AIX.
15795 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15797 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15800 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15801 output traceback table for thunks. Localise rs6000_stack_info call.
15803 2006-02-23 Roger Sayle <roger@eyesopen.com>
15804 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15806 * gthr-posix.h (__gthrw): Fix typo in comment.
15808 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15810 * doc/cpp.texi (Character sets): Document that we do support
15811 input files to be in any character set.
15813 2006-02-23 Jeff Law <law@redhat.com>
15815 * tree.h (PHI_ARG_NONZERO): Remove.
15816 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15817 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15818 node to the new node.
15820 PR tree-optimization/26425
15821 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15822 min/max, then assume its varying.
15824 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15826 PR rtl-optimization/26316
15827 * rtlanal.c (enum may_trap_p_flags): New.
15828 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15829 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15830 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15831 (may_trap_after_code_motion_p): New function.
15832 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15833 (find_invariant_insn): Use may_trap_after_code_motion_p.
15834 * rtl.h (may_trap_after_code_motion_p): Declare.
15836 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15838 * emit-rtl.c (immed_double_const): Cleanup.
15840 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15842 Fix PR tree-optimization/26376
15843 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15846 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15848 PR middle-end/26412
15849 * gimplify.c (omp_add_variable): Guard variable size decl test with
15850 DECL_SIZE (decl) check.
15852 2006-02-23 Richard Guenther <rguenther@suse.de>
15854 PR middle-end/26439
15855 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15856 like aggregate types.
15858 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15860 * configure.ac: Add --with{,out}-long-double-128 configure option.
15861 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15862 * configure: Rebuilt.
15863 * config.in: Rebuilt.
15864 * doc/install.texi (Options specification): Document
15865 --with-long-double-128.
15867 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15868 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15869 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15870 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15872 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15874 * config/s390/s390.c (override_options): Handle
15875 TARGET_DEFAULT_LONG_DOUBLE_128.
15877 * config/alpha/alpha.c (override_options): Handle
15878 TARGET_DEFAULT_LONG_DOUBLE_128.
15880 * config/sparc/sparc.c (sparc_override_options): Handle
15881 TARGET_DEFAULT_LONG_DOUBLE_128.
15883 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15885 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15886 (real-install-headers-tar, real-install-headers-cpio)
15887 (real-install-headers-cp): New targets.
15889 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15891 * tree.h (variable_section): Delete.
15892 * varasm.c (variable_section): Delete.
15894 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15896 * install.texi: Add notes on install.texi2html.
15897 (Building in parallel): Do not use footnotes.
15899 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15902 * doc/install.texi (Configuration): Document --disable-libgomp.
15904 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15906 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15908 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15910 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15911 (vec_extractv2df_0_sse): New.
15913 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15915 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15916 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15917 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15918 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15919 to the result of the expression.
15920 (def_cfa_1): Adjust.
15921 (frame_pointer_cfa_offset): Rename to...
15922 (frame_pointer_fb_offset): ... this. Adjust all uses.
15923 (convert_cfa_to_loc_list): Rename to...
15924 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15925 Pass it on to build_cfa_loc.
15926 (compute_frame_pointer_to_cfa_displacement): Rename to...
15927 (compute_frame_pointer_to_fb_displacement): ... this. New
15928 offset parameter. Use it in computation.
15929 (gen_subprogram_die): Compute cfa_fb_offset with the new
15930 macro, and use it to compute the fb loc list and the
15933 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15935 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15936 replaced with register_operand.
15937 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15938 non-DREG is expensive.
15939 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15940 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15943 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15945 * doc/install.texi2html: Use set -e.
15947 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15949 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15950 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15951 * doc/invoke.texi (-fshared-data): Delete.
15952 * common.opt (fshared-data): Delete.
15953 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15954 (assemble_static_space): Remove #if 0 code.
15955 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15956 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15957 * config/cris/cris.h: Remove FIXME.
15959 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15961 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15964 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15966 PR middle-end/26379
15967 * combine.c (simplify_shift_const_1): Disable nested shifts
15968 optimization for vector shifts.
15970 2006-02-20 Roger Sayle <roger@eyesopen.com>
15972 PR tree-optimization/26361
15973 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15974 of unsigned integer types.
15976 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15978 * tree-chrec.c (eq_evolutions_p): New.
15979 * tree-chrec.h (eq_evolutions_p): Declared.
15980 * tree-data-ref.c: Fix formatting.
15981 (datadep_stats, dependence_stats): New.
15983 (print_direction_vector): New.
15984 (dump_data_dependence_relation): Use print_direction_vector.
15985 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15986 (compute_subscript_distance): Static.
15987 (initialize_data_dependence_relation): Static. Get the number
15988 of loops surrounding the references from the callers, and initialize
15989 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15990 base_object_differ_p analyzers.
15991 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15992 compute_overlap_steps_for_affine_1_2,
15993 analyze_subscript_affine_affine): Count the classified dependences.
15994 Print a message when a test failed.
15995 (can_use_analyze_subscript_affine_affine): New.
15996 (analyze_siv_subscript): Compute the data dependences on symbolic
15997 scevs that verify can_use_analyze_subscript_affine_affine.
15998 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15999 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16000 Handle symbolic scevs.
16001 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16003 (subscript_dependence_tester): Moved...
16004 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16005 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16006 DDR_SIZE_VECT instead of getting it in parameter.
16007 (subscript_dependence_tester): ... here. Take as a parameter
16008 loop_nest_depth. Call build_classic_dist_vector and
16009 build_classic_dir_vector.
16010 (compute_affine_dependence): Update subscript_dependence_tester
16011 parameters. Update datadep_stats counters. Call
16012 compute_subscript_distance.
16013 (compute_self_dependence): Save the dist and dir vectors. Call
16014 compute_subscript_distance.
16015 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16016 (compute_all_dependences): Reorder parameters as they were before
16017 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16018 compute_subscript_distance. Update the use of
16019 compute_affine_dependence and initialize_data_dependence_relation.
16020 (find_data_references_in_loop): Handle COMPONENT_REF.
16021 (compute_data_dependences_for_loop): Initialize dependence_stats.
16022 Don't call build_classic_dist_vector and build_classic_dir_vector.
16023 Update the parameters of initialize_data_dependence_relation and
16024 compute_all_dependences. Print the statistics from datadep_stats.
16025 (analyze_all_data_dependences): Static. Not used until the pass for
16026 checking the data dependences is contributed.
16027 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16028 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16029 (initialize_data_dependence_relation, compute_affine_dependence,
16030 analyze_all_data_dependences, compute_subscript_distance): Removed.
16031 (print_direction_vector): New.
16032 * lambda.h (gcd): ... here.
16033 (lambda_vector_gcd): Moved here from gcd_vector.
16034 * lambda-code.c (gcd, gcd_vector): Removed.
16035 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16036 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16038 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16040 * ipa-type-escape.c: Tidy some comments and white space.
16041 * tree-ssa-operands.c: Likewise.
16043 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16046 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16047 (dump_decl_name): Do not walk the decl tree chains.
16048 * tree-pass.h (TDF_CHAIN): Remove.
16050 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16052 * Makefile.in (C): Remove
16054 (.PHONY): Remove C and PROTO
16056 2006-02-20 Roger Sayle <roger@eyesopen.com>
16058 PR middle-end/26236
16059 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16060 deprecated CHAR_TYPE tree code.
16062 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16064 * configure.ac (target_list): Add install-info, dvi, html.
16065 * configure: Regenerate.
16067 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16068 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16069 treelang/Make-lang.in: Do not use double-colon rules.
16071 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16073 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16074 (TMT_USED_ALONE): New macro.
16075 * tree-pass.h (PROP_tmt_usage): New property.
16076 (TODO_update_tmt_usage): New todo.
16077 * tree-ssa-alias.c (updating_used_alone): New variable.
16078 (recalculate_used_alone): New function.
16079 (compute_may_aliases): Set updating_used_alone, call
16080 recalculate_used_alone.
16081 * tree-sra.c (pass_sra): Note that this pass destroys
16082 PROP_tmt_usage, and add TODO_update_tmt_usage.
16083 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16084 * tree-flow.h (updating_used_alone): Prototype.
16085 (recalculate_used_alone): Ditto.
16086 * passes.c (execute_todo): Add code to set updating_used_alone,
16087 and call recalculate.
16088 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16089 for clobber if used alone, and add assert to verify used_alone
16092 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16094 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16095 for non tls symbols added.
16096 (legitimize_address): Do nothing for PLUS expressions if one of the
16097 addends is a tls symbol reference.
16099 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16103 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16105 * Makefile.in (BOOTSTRAPPING): New.
16106 (quickstrap): New definition if BOOTSTRAPPING=yes.
16108 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16109 * configure.ac: Substitute all_selected_languages with the languages
16110 that were configured. For all the other variables except
16111 lang_specs_files, include all the languages in the tree.
16112 * configure: Regenerate.
16114 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16115 if there is one. Run the commands to run fixincludes in the same
16118 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16119 * doc/install.texi: Document exact conventions for searching target tools.
16120 Document --with-build-time-tools. Document toplevel bootstrap. Document
16121 something more about building an Ada cross-compiler. Don't list GNU Make
16122 requirements which affect all platforms.
16124 2006-02-19 Roger Sayle <roger@eyesopen.com>
16126 PR middle-end/19543
16127 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16128 only equivalent if the have both the same mode and precision.
16130 2006-02-20 Ben Elliston <bje@au.ibm.com>
16132 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16134 2006-02-19 Roger Sayle <roger@eyesopen.com>
16135 Steven Bosscher <stevenb.gcc@gmail.com>
16137 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16138 constant pool references to identify stack mode constants.
16139 * rtlanal.c (constant_pool_constant_p): New predicate to check
16140 whether operand is a floating point constant in the pool.
16141 * rtl.h (constant_pool_constant_p): Prototype here.
16142 * loop.c (scan_loop): Avoid hoisting constants from the constant
16143 pool on STACK_REGS targets.
16144 (load_mems): Likewise.
16145 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16146 loads into x87 registers expensive in terms of register pressure.
16148 2006-02-19 Roger Sayle <roger@eyesopen.com>
16150 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16151 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16153 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16155 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16156 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16158 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16160 * doc/invoke.texi: Document -fipa-pta.
16161 * common.opt: Add ipa-pta option.
16162 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16163 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16164 (do_ds_constraint): Ditto.
16165 (get_constraint_for): Only add to referenced_vars if
16166 referenced_vars exists.
16167 (insert_into_field_list): Rewrite to do this unsorted.
16168 (insert_into_field_list_sorted): Rename old insert_into_field_list
16170 (create_function_info_for): Use insert_into_field_list_sorted.
16171 (create_variable_info_for): Rewrite so it uses unsorted version,
16172 since the field list is sorted.
16173 (intra_create_variable_infos): Only add to referenced_vars if
16174 referenced_vars exists.
16175 (ipa_pta_execute): Init heapvars, and delete when done.
16176 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16178 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16180 * doc/install.texi: Add missing `@samp'.
16182 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16184 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16187 2006-02-18 Mark Wielaard <mark@klomp.org>
16189 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16190 who added new 4.1 features, bug fixes and integration support.
16192 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16195 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16196 MEM for ABI_V4 pic.
16198 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16200 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16201 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16202 (copy_insn_1): Likewise. Don't copy each field individually.
16204 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16206 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16207 * rtl.c (rtx_size): Rename variable to...
16208 (rtx_code_size): ...this.
16209 (rtx_size): New function.
16210 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16211 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16213 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16214 * rtl.h (rtx_code_size): New variable.
16215 (rtx_size): Change from a variable to a function.
16216 (RTX_SIZE): Rename to...
16217 (RTX_CODE_SIZE): ...this.
16220 PR tree-optimization/17106
16221 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16222 (Anchored Addresses): New section.
16223 * doc/invoke.texi (-fsection-anchors): Document.
16224 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16225 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16226 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16227 * hooks.c (hook_bool_mode_rtx_false): New function.
16228 * hooks.h (hook_bool_mode_rtx_false): Declare.
16229 * gengtype.c (create_optional_field): New function.
16230 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16231 SYMBOL_REF_IN_BLOCK_P is true.
16232 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16233 (min_anchor_offset, max_anchor_offset): Likewise.
16234 (use_anchors_for_symbol_p): New hook.
16235 * toplev.c (compile_file): Call output_object_blocks.
16236 (target_supports_section_anchors_p): New function.
16237 (process_options): Check that -fsection-anchors is only used on
16238 targets that support it and when -funit-at-a-time is in effect.
16239 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16240 if the decl doesn't have one.
16241 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16242 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16243 of force_const_mem through use_anchored_address.
16244 (expand_expr_constant): New function.
16245 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16246 calling expand_expr for INDIRECT_REF.
16247 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16248 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16249 * expr.h (use_anchored_address): Declare.
16250 * loop-unroll.c: Don't declare rtx vectors here.
16251 * explow.c: Include output.h.
16252 (validize_mem): Call use_anchored_address.
16253 (use_anchored_address): New function.
16254 * common.opt (-fsection-anchors): New switch.
16255 * varasm.c (object_block_htab, anchor_labelno): New variables.
16256 (hash_section, object_block_entry_eq, object_block_entry_hash)
16257 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16258 (use_blocks_for_decl_p, change_symbol_section): New functions.
16259 (get_variable_section): New function, split out from assemble_variable.
16260 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16261 use_blocks_for_decl_p say so. Use change_symbol_section if the
16262 symbol has already been created.
16263 (assemble_variable_contents): New function, split out from...
16264 (assemble_variable): ...here. Don't output any code for
16265 block symbols; just pass them to place_block_symbol.
16266 Use get_variable_section and assemble_variable_contents.
16267 (get_constant_alignment, get_constant_section, get_constant_size): New
16268 functions, split from output_constant_def_contents.
16269 (build_constant_desc): Create a block symbol if use_object_blocks_p
16270 says so. Or into SYMBOL_REF_FLAGS.
16271 (assemble_constant_contents): New function, split from...
16272 (output_constant_def_contents): ...here. Don't output any code
16273 for block symbols; just pass them to place_section_symbol.
16274 Use get_constant_section and get_constant_alignment.
16275 (force_const_mem): Create a block symbol if use_object_blocks_p and
16276 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16277 (output_constant_pool_1): Add an explicit alignment argument.
16278 Don't switch sections here.
16279 (output_constant_pool): Adjust call to output_constant_pool_1.
16280 Switch sections here instead. Don't output anything for block symbols;
16281 just pass them to place_block_symbol.
16282 (init_varasm_once): Initialize object_block_htab.
16283 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16284 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16285 (place_block_symbol, get_section_anchor, output_object_block)
16286 (output_object_block_htab, output_object_blocks): New functions.
16287 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16288 (TARGET_ASM_OUT): Include it.
16289 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16290 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16291 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16292 (TARGET_INITIALIZER): Include them.
16293 * rtl.c (rtl_check_failed_block_symbol): New function.
16294 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16295 (block_symbol, object_block): New structures.
16296 (rtx_def): Add a block_symbol field to the union.
16297 (BLOCK_SYMBOL_CHECK): New macro.
16298 (rtl_check_failed_block_symbol): Declare.
16299 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16300 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16301 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16302 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16303 * output.h (output_section_symbols): Declare.
16304 (object_block): Name structure.
16305 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16306 (default_use_anchors_for_symbol_p): Declare.
16307 * Makefile.in (RTL_BASE_H): Add vec.h.
16308 (explow.o): Depend on output.h.
16309 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16310 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16311 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16312 (rs6000_use_blocks_for_constant_p): New function.
16314 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16316 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16318 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16321 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16324 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16326 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16330 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16332 PR middle-end/26334
16333 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16334 instead of DECL_REGISTER.
16336 2006-02-18 Olivier Hainque <hainque@adacore.com>
16339 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16341 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16344 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16345 * opth-gen.awk: Handle Var and InverseMask together.
16346 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16347 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16348 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16349 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16351 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16352 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16353 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16354 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16355 LINUX_DYNAMIC_LINKER): Define.
16356 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16357 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16359 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16360 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16361 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16362 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16363 (TARGET_C99_FUNCTIONS): Don't define.
16364 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16365 GLIBC_DYNAMIC_LINKER.
16366 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16367 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16368 GLIBC_DYNAMIC_LINKER64): Define.
16369 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16370 LINUX_DYNAMIC_LINKER64.
16371 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16372 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16373 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16374 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16375 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16376 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16377 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16378 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16379 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16381 and LINUX_DYNAMIC_LINKER32.
16382 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16383 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16384 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16385 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16386 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16388 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16389 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16390 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16391 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16392 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16393 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16394 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16395 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16396 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16397 LINUX_DYNAMIC_LINKER): Define.
16398 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16399 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16400 GLIBC_DYNAMIC_LINKER64): Define.
16401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16402 LINUX_DYNAMIC_LINKER64.
16403 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16404 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16405 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16406 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16407 LINUX_DYNAMIC_LINKER): Define.
16408 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16409 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16410 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16411 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16412 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16413 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16414 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16415 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16416 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16417 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16418 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16419 * doc/invoke.texi (-muclibc): Remove caveat about supported
16422 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16424 * doc/cpp.texi (__TIMESTAMP__): Document.
16426 2006-02-17 Roger Sayle <roger@eyesopen.com>
16428 PR middle-end/25600
16429 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16430 C is one less than the width of X (and related transformations).
16431 * simplify-rtx.c (simplify_unary_operation_1): Transform
16432 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16433 depending on STORE_FLAG_VALUE, were C is one less then the
16436 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16438 Fix PR tree-optimization/26341
16439 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16440 about NAME_MEMORY_TAG's.
16442 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16445 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16446 with hardware float support, and software float support. Add fcpy
16447 alternative to hardware patterns. Add alternatives to copy between
16448 general and floating-point registers to the 32-bit pattern.
16449 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16450 secondary reload to load a QI or HI mode constant into a floating
16452 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16453 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16455 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16458 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16460 (load_macho_picbase_di): Likewise.
16462 2006-02-16 Jeff Law <law@redhat.com>
16464 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16465 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16466 (ssa_name_nonzero_p): Likewise.
16467 (get_value_range): Return NULL if VRP is not running.
16468 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16469 VRP routines do not discover a range.
16470 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16471 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16472 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16473 (tree_expr_nonnegative_p): Similarly.
16474 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16475 (restore_nonzero_vars_to_original_value): Remove.
16476 (unsafe_associative_fp_binop): Remove.
16477 (tree_ssa_dominator_optimize): Remove initialization and
16478 finalization of nonzero_vars and nonzero_vars_stack.
16479 (dom_opt_initialize_block): No longer push marker on
16480 nonzero_vars_stack.
16481 (dom_opt_finalize_block): No longer call
16482 restore_nonzero_vars_to_original_value.
16483 (record_equivalences_from_phis): No longer look for
16484 nonzero PHI arguments.
16485 (cprop_into_successor_phis): No longer propagate nonzero
16486 property into PHI arguments. Lose unused argument. Caller
16488 (record_equivalences_from_stmt): No longer record nonzero
16489 values for SSA_NAMEs.
16490 (lookup_avail_expr): No longer use nonzero_vars.
16492 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16493 for sizetype when sizetype is unsigned.
16495 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16497 PR rtl-optimization/25603
16498 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16499 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16500 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16501 with new meaning of SETS.
16503 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16508 * config/linux.opt: New file.
16509 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16510 LINUX_DYNAMIC_LINKER): Define.
16511 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16512 * config.gcc (*-*-linux*): Define extra_options.
16513 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16514 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16515 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16516 GLIBC_DYNAMIC_LINKER.
16517 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16518 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16519 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16520 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16521 * doc/invoke.texi (GNU/Linux Options): New section.
16523 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16525 * config/sparc/sparc.md (setjmp): Rewrite.
16526 (setjmp_32): Delete.
16527 (setjmp_64): Likewise.
16529 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16531 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16534 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16536 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16539 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16541 PR rtl-optimization/26296
16542 * Makefile.in (loop-invariant.c): Add except.h dependency.
16543 * loop-invariant.c: Include except.h.
16544 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16546 2005-02-16 Paul Brook <paul@codesourcery.com>
16548 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16551 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16553 PR rtl-optimization/25636
16554 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16555 when deciding whether an insn is an initializing insn.
16557 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16559 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16560 (tree_code_size): Ditto.
16561 * tree.h (struct tree_memory_tag): Remove parent_var.
16562 (struct tree_struct_field_tag): New.
16565 (union tree_node): Add sft member.
16566 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16568 (create_sft): Add size and offset argument, set SFT_OFFSET and
16570 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16571 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16572 * tree-flow-inline.h (get_subvar_at): Update for
16573 SFT_OFFSET/SFT_SIZE.
16574 (var_can_have_subvars): Ditto.
16575 (overlap_subvar): Ditto.
16576 * print-tree.c (print_node): Print out interesting things for
16578 * tree-flow.h (struct subvar): Remove offset and size members.
16579 * tree-ssa-operands.c (get_expr_operands): Update for
16580 get_indirect_ref_operands changes.
16581 (get_indirect_ref_operands): Call add_virtual_operand instead of
16582 add_stmt_operand. Only recurse on base var if requested.
16583 (access_can_touch_variable): New function.
16584 (add_stmt_operand): Split virtual operand handling into ...
16585 (add_virtual_operand): Here. Add offset, size, and for_clobber
16586 arguments. Prune alias sets.
16587 (add_call_clobber_ops): Call add_virtual_operand.
16589 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16591 PR middle-end/26300
16592 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16594 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16595 than TREE_CODE as index into omp_clause_num_ops array.
16597 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16599 PR rtl-optimization/26184
16600 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16602 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16603 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16604 must_precede, must_follow and tobe_scheduled.
16607 * opts.c (common_handle_option): Free new_option pointer.
16608 * df-core.c (df_analyze): Free postorder pointer.
16610 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16612 * Makefile.in: Fix the examples about the use of stamps
16614 2006-02-15 Michael Matz <matz@suse.de>
16616 PR middle-end/22275
16618 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16619 influenced by maximum_field_alignment or DECL_PACKED.
16620 (update_alignment_for_field): Ditto.
16621 (place_field): Ditto.
16622 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16625 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16627 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16628 (debug_flow_info): Pass it.
16629 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16630 * bb-reorder.c (reorder_basic_blocks): Likewise.
16631 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16632 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16633 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16634 * gcse.c (gcse_main, bypass_jumps): Likewise.
16635 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16636 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16637 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16638 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16639 * rtl.h (dump_flow_info): Adjust prototype.
16640 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16641 * var-tracking.c (variable_tracking_main): Likewise.
16642 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16643 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16646 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16648 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16651 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16653 PR tree-optimization/26209
16654 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16655 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16657 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16659 2006-02-14 Roger Sayle <roger@eyesopen.com>
16661 PR middle-end/23670
16662 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16663 (X,Y) and the corresponding symmetry related transformations.
16664 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16665 (X,Y) and its symmetry related transformations.
16667 2006-02-14 Roger Sayle <roger@eyesopen.com>
16669 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16672 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16674 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16676 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16679 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16680 support COMDAT group.
16681 * configure: Regenerate.
16683 2006-02-14 Roger Sayle <roger@eyesopen.com>
16685 PR middle-end/26279
16686 PR middle-end/26280
16687 PR middle-end/26283
16688 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16690 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16692 Fix PR tree-optimization/26260
16694 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16696 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16697 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16698 * tree-ssa-structalias.c (create_variable_info_for): Use
16699 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16701 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16703 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16705 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16706 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16707 of the ending condition.
16708 * tree-ssa-loop-manip.c: Include params.h.
16709 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16710 tree_unroll_loop): New functions.
16711 * tree-pass.h (pass_loop_prefetch): Declare.
16712 * loop.c (rest_of_handle_loop_optimize): Test for
16713 -fprefetch-loop-arrays-rtl.
16714 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16715 * timevar.def (TV_TREE_PREFETCH): New timevar.
16716 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16717 pass_loop_prefetch): New.
16718 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16719 (cleanup_tree_cfg_loop): Call scev_reset.
16720 * common.opt (fprefetch-loop-arrays-rtl): Add.
16721 * tree-ssa-loop-prefetch.c: New file.
16722 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16723 (new_temp_expr_table): Initialize expr_vars.
16724 (free_temp_expr_table): Cleanup expr_vars.
16725 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16726 expressions from being merged into one.
16727 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16728 (struct tree_niter_desc): Add control, bound and cmp fields.
16729 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16731 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16732 (tree-cfgcleanup.o): Add SCEV_H dependency.
16733 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16734 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16736 2006-02-14 Richard Guenther <rguenther@suse.de>
16738 PR tree-optimization/26258
16739 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16740 in PHI argument processing.
16742 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16744 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16745 new expression in the requested machine mode.
16747 2006-02-13 Roger Sayle <roger@eyesopen.com>
16749 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16750 directly, instead let do_compare_rtx_and_jump handle this for us.
16751 * expr.c (expand_expr_real_1): Likewise.
16752 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16753 before do_jump_by_parts_greater.
16754 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16755 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16757 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16759 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16761 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16763 PR rtl-optimization/26235
16764 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16765 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16768 2006-02-13 Jeff Law <law@redhat.com>
16770 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16773 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16775 PR middle-end/26092
16776 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16777 twice if decl is a builtin. When trying again, call get_callee_fndecl
16778 first to verify it is still a builtin.
16780 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16782 * dwarf2out.c (base_type_die): Don't add AT_name here.
16783 (subrange_type_die): Don't add AT_name here.
16784 (modified_type_die): Rearrange code flow. Do add AT_name here.
16786 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16788 PR rtl-optimization/26247
16789 PR rtl-optimization/26248
16790 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16792 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16794 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16795 * config/fixtfdi.c: Likewise.
16796 * config/fixunstfdi.c: Likewise.
16797 * config/floatditf.c: Likewise.
16799 2006-02-13 Roger Sayle <roger@eyesopen.com>
16801 PR middle-end/24427
16802 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16803 into (X,C2) if C1 is a subset of the bits of C2. Transform
16804 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16806 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16808 2006-02-13 Josh Conner <jconner@apple.com>
16811 * varasm.c (function_section): Check for section name before
16812 calling select_section on targets that define
16813 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16814 unlikely_text_section instead of hot_function_section if
16815 first_function_block_is_cold.
16817 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16819 PR middle-end/25335
16820 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16822 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16824 PR rtl-optimization/26222
16825 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16826 after tree->rtl expansion.
16827 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16828 before passing it to emit_move_insn.
16830 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16832 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16834 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16835 Clarify documentation.
16836 * c-common.h (warn_write_strings): Remove.
16837 * c-common.c (warn_write_strings): Likewise.
16838 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16841 2006-02-12 Roger Sayle <roger@eyesopen.com>
16843 PR middle-end/25724
16844 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16845 (do_jump_parts_zero_rtx): New function renamed from
16846 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16847 (do_jump_parts_equality_rtx): New function split out from
16848 do_jump_parts_equality. Old implementation renamed as above.
16849 Call do_jump_parts_zero_rtx if either operand is zero.
16850 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16851 do all of the heavy lifting.
16852 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16853 calling either do_jump_by_parts_greater_rtx or
16854 do_jump_by_parts_equality_rtx.
16855 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16856 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16857 moved to do_compare_rtx_and_jump, call it directly.
16858 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16859 mode argument. Call do_compare_rtx_and_jump.
16860 (emit_case_nodes): Update calls to do_jump_if_equal.
16862 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16864 PR rtl-optimization/26225
16865 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16867 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16869 PR rtl-optimization/26232
16870 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16872 2006-02-11 Jason Merrill <jason@redhat.com>
16875 * tree-inline.c (declare_return_variable): Just don't use the
16876 modify target if it's a gimple complex reg and the return slot
16879 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16881 * doc/contrib.texi: Update my entry.
16883 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16885 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16887 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16889 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16892 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16894 * doc/invoke.texi (-floop-optimize2): Removed.
16895 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16896 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16897 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16898 * common.opt (floop-optimize2): Removed.
16899 (fmove-loop-invariants): Enabled by default.
16901 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16903 * tree-if-conv.c (combine_blocks): Free the result of
16904 get_loop_exit_edges.
16906 2006-02-10 Jeff Law <law@redhat.com>
16908 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16910 PR tree-optimization/26213
16911 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16912 loop trying to follow SSA_NAME_VALUE chains.
16914 2006-02-10 Richard Guenther <rguenther@suse.de>
16916 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16917 deal with structures that end in implicitly variable sized arrays.
16919 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16921 PR rtl-optimization/24762
16922 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16925 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16927 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16928 (struct ivopts_data): Add regs_used field.
16929 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16930 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16931 instead of loop_data->regs_used;
16932 (free_loop_data): Do not free aux fields for loops.
16933 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16934 and tree_ssa_iv_optimize_finalize.
16936 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16938 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16940 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16943 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16944 computing the effective result type.
16946 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16948 PR inline-asm/16194
16949 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16950 (tree_overlaps_hard_reg_set): Declare.
16951 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16952 type and signature to match function type expected by walk_tree.
16953 (tree_overlaps_hard_reg_set): New function.
16954 (decl_conflicts_with_clobbers_p): Rename to:
16955 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16956 Use tree_overlaps_hard_reg_set. Changed caller.
16957 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16958 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16959 * cris.c (cris_md_asm_clobbers): Likewise.
16961 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16963 * reload1.c (emit_input_reload_insns): Delete code that tries to
16964 inherit using find_equiv_reg.
16966 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16968 * c-common.h (flag_const_strings): Don't declare.
16969 * c-common.c (flag_const_strings): Remove.
16970 * c.opt (fconst_strings): Remove.
16971 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16972 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16973 (c_common_init_options): Don't set flag_const_strings.
16974 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16976 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
16978 * arm.md (tlobits_cbranch): New pattern.
16979 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
16980 testing a single bit.
16982 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16985 * tree-ssa-pre.c (create_component_ref_by_pieces):
16986 Handle RETURN_DECL like VAR_DECL.
16988 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16990 PR middle-end/26134
16991 * fold-const.c (fold_indirect_ref_1): Fold
16992 "*(foo *)&complexfoo" to "__real__ complexfoo"
16993 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16995 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16997 * tree-flow-inline.h (var_can_have_subvars):
16998 Volatile variables should not have subvariables.
17000 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17003 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17004 multiplying unsigned values.
17007 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17009 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17011 2006-02-08 Jason Merrill <jason@redhat.com>
17014 * tree.def: Elaborate on difference from MODIFY_EXPR.
17015 * doc/c-tree.texi (INIT_EXPR): Likewise.
17016 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17017 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17018 (gimplify_target_expr): Likewise.
17019 (gimplify_cond_expr): Remove target handling.
17020 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17021 (gimplify_expr): Clobber it here.
17022 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17023 Do return slot optimization if we have an INIT_EXPR.
17026 * tree-inline.c (declare_return_variable): Also clear
17027 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17030 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17032 PR middle-end/22439
17033 * gimplify.c (gimplify_one_sizepos): Fix typo.
17035 2006-02-08 Jeff Law <law@redhat.com>
17037 PR tree-optimization/21417
17038 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17039 across a backedge if the control statement at the end of the
17040 block is data dependent on other statements in the same block.
17041 (record_temporary_equivalences_from_stmts): Remove over-conservative
17042 test for threading across backedges.
17044 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17045 control statement, handle all three special cases in the same
17046 manner as they all have the same desired solution. No longer
17047 special case edge flag updating when the post dominator is
17050 2006-02-08 Roger Sayle <roger@eyesopen.com>
17052 * tree.def (CHAR_TYPE): Remove.
17053 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17054 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17055 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17056 (gen_string_type_die): Delete unreachable function.
17058 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17059 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17060 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17061 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17062 * builtins.c (type_to_class): Likewise.
17063 * fold-const.c (fold_convert, build_range_check,
17064 merge_ranges): Likewise.
17065 * expr.c (count_type_elements): Likewise.
17066 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17067 * stor-layout.c (layout_type): Likewise.
17068 * ipa-type-escape.c (type_to_consider): Likewise.
17069 * gimplify.c (omp_firstprivatize_type_sizes,
17070 gimplify_type_sizes): Likewise.
17071 * explow.c (promote_mode): Likewise.
17072 * tree-sra.c (is_sra_scalar_type): Likewise.
17073 * varasm.c (output_constant): Likewise.
17074 * tree-inline.c (remap_type_1): Likewise.
17075 * convert.c (convert_to_pointer, convert_to_real,
17076 convert_to_integer, convert_to_complex): Likewise.
17078 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17080 * df-scan.c (df_def_record_1): A set destination may
17081 be a parallel regardless of mode.
17083 2006-02-08 Roger Sayle <roger@eyesopen.com>
17086 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17087 * config/mips/_tilib.c: Remove.
17088 * config/fixtfdi.c: New libgcc source file.
17089 * config/fixunstfdi.c: New source file.
17090 * config/floatditf.c: New source file.
17091 * config/floatunditf.c: New souce file.
17092 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17093 files above instead of config/mips/_tilib.c.
17094 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17096 2006-02-08 Jeff Law <law@redhat.com>
17098 PR tree-optimization/26169
17099 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17102 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17104 * df.h (DF_REG_SIZE): Return the length of the initialized
17107 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17109 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17110 __muldf3): Return a correctly signed zero.
17112 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17114 * passes.c (register_one_dump_file): Accept the current properties
17115 instead of pass number. Adjust call to dump_register. Remove
17117 (register_dump_files): Now a wrapper around...
17118 (register_dump_files_1): ... this one. Do not modify the pass
17120 (next_pass_1): Cosmetic fix.
17121 (execute_todo): Keep second parameter only. Use curr_properties
17122 instead of fetching it from the pass structure. Check and set
17124 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17125 instead of fetching it from the pass structure. Fix calls to
17126 execute_todo. Update curr_properties and initialize .vcg RTL dump
17127 after running the pass. Reset last_verified.
17128 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17130 (FIRST_AUTO_NUMBERED_DUMP): New.
17131 (dump_register): Remove "num" parameter, assign it within the
17133 (get_dump_file_name): Modify template for dumps.
17134 * tree-dump.h (dump_register): Adjust prototype.
17135 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17136 (PROP_trees): Add PROP_gimple_lomp.
17137 (TODO_set_props): New.
17138 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17139 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17140 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17142 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17144 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17145 (sparc64-*-linux*): Likewise.
17146 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17147 * config/sparc/t-linux: New file.
17148 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17149 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17150 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17151 -m32 -mlong-double-128.
17153 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17154 * config/alpha/t-linux: New file.
17155 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17157 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17158 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17159 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17160 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17161 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17162 (CPP_ARCH32_SPEC): Remove.
17164 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17166 PR tree-optimization/26145
17167 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17170 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17173 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17174 >= 240000 when generating code for SOM runtime.
17175 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17176 to $$dyncall when generating code for SOM runtime..
17178 2006-02-07 Dirk Mueller <dmueller@suse.com>
17181 * doc/invoke.texi (-Wsequence-point): Update documentation
17182 that -Wsequence-point is implemented for C++ as well.
17184 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17186 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17187 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17188 (LIB_SPEC): Likewise.
17189 * doc/invoke.texi (SPARC options): Document -pthread.
17191 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17193 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17196 2006-02-07 Roger Sayle <roger@eyesopen.com>
17198 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17199 Correct comment describing BOOLEAN_TYPE.
17201 2006-02-07 Dirk Mueller <dmueller@suse.com>
17203 * c.opt: C++ frontend supports -Wdiv-by-zero.
17204 * c-opts.c (c_common_handle_option): Remove dead case.
17206 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17208 * configure.ac (TLS assembler check): Do not enable TLS by
17209 default on SPARC/Solaris before version 10.
17210 * configure: Regenerate.
17212 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17214 * doc/invoke.texi (xl-compat): Document conversion and support
17217 2006-02-07 Jeff Law <law@redhat.com>
17219 * tree-vrp.c (find_conditional_asserts): Update comments.
17220 (simplify_stmt_for_jump_threading): New.
17221 (identify_jump_threads, finalize_jump_threads): New.
17222 (vrp_finalize): Call identify_jump_threads.
17223 (execute_vrp): Call finalize_jump_threads.
17224 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17225 (vrp_element, vrp_data, vrp_element_p): Remove.
17226 (vrp_hash_elt, vrp_variables_stack): Remove.
17227 (vrp_hash, vrp_eq, record_range): Remove.
17228 (simplify_cond_and_lookup_avail_expr): Remove.
17229 (extract_range_from_cond): Remove.
17230 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17231 (simplify_stmt_for_jump_threading): New.
17232 (dom_thread_across_edge): New wrapper.
17233 (tree_ssa_dominator_optimize): No longer initialize or
17234 finalize any of the VRP datastructures. Remove iteration
17235 step and simplify as a result of removal of iteration step.
17236 (pass_dominator): Perform a cfg cleanup after DOM.
17237 (dom_opt_finalize_block): Use the new common routines
17238 for threading jumps. Simplify stack management slightly.
17239 No longer need to unwind VRP state.
17240 (record_equivalences_from_incoming_edge): No longer record
17242 (eliminate_redundant_computations): No longer call
17243 simplify_cond_and_lookup_avail_expr.
17244 * tree-flow.h (potentially_threadable_block): Prototype.
17245 (thread_across_edge): Likewise.
17246 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17247 (tree-ssa-threadedge.o): Add dependencies.
17248 * tree-ssa-threadedge.c: New file.
17249 * passes.c (init_optimization_passes): Merge PHIs before
17250 calling VRP. Run VRP again late in the SSA optimization pipeline.
17252 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17254 * df-core.c (df_set_blocks): Do not dereference function pointers.
17255 (df_finish1): Likewise.
17256 (df_hybrid_search_forward): Likewise.
17257 (df_hybrid_search_backward): Likewise.
17258 (df_iterative_dataflow): Likewise.
17259 (df_analyze_problem): Likewise.
17260 (df_compact_blocks): Likewise.
17261 (df_dump): Likewise.
17262 * df-scan.c (df_rescan_blocks): Likewise.
17263 (df_record_entry_block_defs): Likewise.
17265 * genconditions.c (write_conditions): Guard the definition of
17266 'insn_conditions' with the check on GCC version.
17267 (write_writer): Guard the traversal 'insn_conditions' with
17268 the check on GCC version.
17270 2006-02-07 Richard Guenther <rguenther@suse.de>
17274 2006-01-30 Richard Guenther <rguenther@suse.de>
17276 * gimplify.c (gimplify_target_expr): Handle easy cases
17277 without creating a temporary.
17279 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17281 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17282 use of float in probability computations. Use edge probabilities
17283 in place of statically computed probabilities.
17284 (min_spec_prob): New static variable.
17285 (schedule_insns): Initialize it.
17286 (GET_SRC_PROB): Removed.
17287 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17289 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17292 * config/ia64/unwind-ia64.c: Revert last change.
17293 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17294 (INCOMING_FRAME_SP_OFFSET): Define.
17296 2006-02-06 Roger Sayle <roger@eyesopen.com>
17298 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17300 2006-02-07 Ben Elliston <bje@au.ibm.com>
17302 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17303 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17304 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17305 (ix86_return_in_memory): Handle TDmode.
17306 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17307 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17309 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17311 * reorg.c (dbr_schedule): Use dump_file instead of file.
17313 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17316 * config/ia64/predicates.md (extr_len_operand): New predicate.
17317 * config/ia64/ia64.md (extv): Tighten constraints.
17319 (*tbit_and_2): Ditto.
17320 (*tbit_and_3): Ditto.
17321 (*tbit_or_2): Ditto.
17322 (*tbit_or_3): Ditto.
17323 (*bit_zero): Ditto.
17326 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17329 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17331 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17333 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17334 loop_optimizer_init and loop_optimizer_finalize
17335 * tree-ssa-sink.c (execute_sink_code): Ditto.
17336 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17337 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17338 tree_ssa_loop_done): Ditto.
17339 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17340 * sched-ebb.c: Include output.h.
17341 (schedule_ebbs): Do not use dump argument.
17342 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17343 * loop.c (loop_dump_stream): Removed.
17344 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17346 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17347 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17348 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17349 loop_iterations, strength_reduce, record_biv, record_giv,
17350 final_giv_value, check_final_value, check_ext_dependent_givs,
17351 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17352 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17353 dump_file instead of loop_dump_stream.
17354 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17355 argument dump_file.
17356 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17358 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17359 * haifa-sched.c: Include output.h
17360 (schedule_insns, sched_init): Do not use dump argument.
17361 * mode-switching.c (optimize_mode_switching): Ditto.
17362 * modulo-sched.c (stats_file): Removed.
17363 (print_node_sched_params): Do not call argument dump_file.
17364 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17365 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17367 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17369 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17370 rtl_loop_init, rtl_loop_done): Ditto.
17371 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17372 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17374 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17375 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17376 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17377 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17378 * emit-rtl.c (renumber_insns): Ditto.
17379 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17380 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17381 * regclass.c (regclass): Ditto.
17382 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17383 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17384 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17385 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17387 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17388 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17390 * gcse.c (gcse_file, debug_stderr): Removed.
17391 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17392 rest_of_handle_gcse): Do not use dump argument.
17393 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17394 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17395 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17396 compute_code_hoist_vbeinout, compute_code_hoist_data,
17397 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17398 compute_store_table, build_store_vectors, insert_insn_start_bb,
17399 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17400 store_motion): Use dump_file instead of gcse_file.
17401 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17402 * profile.c (profile_dump_file): Removed.
17403 (branch_prob): Use dump_file instead of profile_dump_file.
17404 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17406 * tree-ssa-copy.c (dump_copy_of): Ditto.
17407 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17408 dump file to life_analysis.
17409 * bt-load.c (branch_target_load_optimize): Ditto.
17410 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17412 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17413 regclass, dbr_schedule): Declaration changed.
17414 * sched-int.h (sched_init): Declaration changed.
17415 * tree-profile.c (tree_profile_dump_file): Removed.
17416 (tree_profile_hooks): Removed profile_dump_file hook.
17417 * rtl-profile (rtl_profile_dump_file): Removed.
17418 (rtl_profile_hooks): emoved profile_dump_file hook.
17419 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17421 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17422 * tree-cfg.c (build_tree_cfg): Ditto.
17423 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17424 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17425 Declaration changed.
17426 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17427 life_analysis and schedule_insns.
17428 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17430 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17432 * config/mips/mips.c (mips_reorg): Ditto.
17433 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17436 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17438 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17439 (s390_mangle_fundamental_type): New.
17440 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17443 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17444 (alpha_mangle_fundamental_type): New.
17445 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17448 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17450 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17452 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17453 (sparc_mangle_fundamental_type): New.
17455 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17457 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17458 (s390x-*-linux*): Likewise.
17459 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17460 * config/s390/t-linux: New file.
17462 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17464 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17465 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17467 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17469 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17470 (ANTIC_SAFE_LOADS): New macro.
17471 (find_or_generate_expression): Add prototype.
17472 (set_contains_value): Allow null set for sake of not always having
17473 to allocate ANTIC_SAFE_LOADS.
17474 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17475 Allow COMPONENT_REF too.
17476 (valid_in_set): Allow COMPONENT_REF.
17477 Check ANTIC_SAFE_LOADS too.
17478 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17479 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17481 (can_PRE_operation): Add COMPONENT_REF.
17482 (create_component_ref_by_pieces): New function.
17483 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17484 (insert_aux): Move AGGREGATE_TYPE_P check here.
17485 (compute_avail): Set bb local stmt uids.
17486 (pass_pre): Use TODO_update_ssa_only_virtuals.
17488 2006-02-06 Ben Elliston <bje@au.ibm.com>
17490 * configure.ac: Unconditionally disable decimal float by default.
17491 * configure: Regenerate.
17493 2006-02-06 Ben Elliston <bje@au.ibm.com>
17495 * read-rtl.c (read_name): Terminate reading on EOF.
17497 2006-02-06 Ben Elliston <bje@au.ibm.com>
17499 * dfp.c (decimal_real_arithmetic): Change second argument type
17500 from int to enum tree_code. Do not always return true, but now
17501 return result of any call to decimal_do helper functions.
17502 * dfp.h (decimal_real_arithmetic): Update prototype.
17504 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17506 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17508 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17511 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17514 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17516 * tree-vrp.c (cfg_loops): Removed.
17517 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17518 Use current_loops instead of cfg_loops. Pass flags to
17519 loop_optimizer_init.
17520 * cfgloopmanip.c (fix_loop_structure): Update only available
17522 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17523 loop_optimizer_init.
17524 * modulo-sched.c (build_loops_structure): Removed.
17525 (sms_schedule): Use loop_optimizer_init.
17526 * loop-init.c (loop_optimizer_init): Use flags to determine
17527 which properties of loops to prepare.
17528 (rtl_loop_init): Pass flags to loop_optimizer_init.
17529 * tree-ssa-sink.c (execute_sink_code): Ditto.
17530 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17531 * tree-ssa-pre.c (init_pre): Ditto.
17532 * cfgloop.h (LOOPS_NORMAL): New.
17533 (loop_optimizer_init): Declaration changed.
17535 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17537 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17538 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17540 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17542 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17544 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17545 * pa/t-pa64: Delete quadlib.c rule.
17546 * pa/x-ada: Revert last change.
17547 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17549 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17551 PR rtl-optimization/26087
17552 * rtlanal.c (canonicalize_condition): Do not cross basic block
17555 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17558 * config/ia64/ia64.c: Include debug.h.
17559 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17560 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17561 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17562 (process_epilogue, process_set, process_for_unwind_directive):
17563 Output unwind info only if requested. Add CFA info if requested.
17564 Add new arguments as needed. Adjust callers.
17565 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17567 (DWARF2_FRAME_INFO): Define to zero.
17568 * config/ia64/unwind-ia64.c: Remove code that compensated for
17569 the CFA offset error fixed above.
17570 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17571 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17572 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17573 -funwind-tables and -fexceptions to enable frame info.
17574 (dwarf2out_frame_init): Define initial CFA even if
17575 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17576 DWARF2_UNWIND_INFO is nonzero, not just defined.
17577 (dwarf2out_frame_finish): Output non-EH call frame info only
17578 if DWARF2_FRAME_INFO is nonzero.
17579 (convert_cfa_to_loc_list,
17580 compute_frame_pointer_to_cfa_displacement): Define even if
17581 unwind info is not supported.
17582 (gen_subprogram_die): Use the above unconditionally. Remove
17583 legacy alternate code.
17584 * toplev.c (compile_file): Compile in call to
17585 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17586 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17588 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17589 Jakub Jelinek <jakub@redhat.com>
17591 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17592 IBM extended float format long double as "g" on powerpc*-linux.
17594 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17597 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17598 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17600 2006-02-03 Jason Merrill <jason@redhat.com>
17603 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17605 PR middle-end/25977
17606 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17607 on the return slot if it's an NRV.
17609 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17611 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17612 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17613 rewrite_use): Do not handle USE_OUTER.
17614 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17615 add_iv_outer_candidates, may_replace_final_value,
17616 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17617 (find_interesting_uses_op): Functionality of
17618 find_interesting_uses_outer_or_nonlin moved here.
17619 (find_interesting_uses_outside): Use find_interesting_uses_op.
17621 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17624 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17626 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17627 Ulrich Weigand <uweigand@de.ibm.com>
17630 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17631 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17632 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17633 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17635 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17636 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17637 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17638 Define secondary reloads for TFmode moves.
17639 (constant_modes): Add TFmode.
17640 (NR_C_MODES): Set to 8.
17641 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17643 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17644 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17645 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17646 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17647 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17648 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17649 (FPR mode macro): Add TFmode.
17650 (DSF mode macro): New.
17651 (<de>, <dee> mode attributes): Removed.
17652 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17653 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17654 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17655 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17656 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17657 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17658 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17659 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17660 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17661 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17662 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17663 "*negabs<mode>2", "sqrt<mode>2"):
17664 Changed <de> to <xde>. R constraint replaced by <Rf>.
17665 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17667 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17668 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17669 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17671 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17672 "extenddftf2", "extendsftf2"): New expanders.
17673 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17674 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17675 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17676 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17678 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17679 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17680 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17681 __floatditf): Add a GCC_4.1.0 symbol version tag.
17682 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17685 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17688 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17689 Use targetm.binds_local_p instead of TREE_PUBLIC.
17691 2006-02-02 Roger Sayle <roger@eyesopen.com>
17693 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17694 on INTEGER_TYPEs to indicate that it denotes a character type.
17695 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17696 signed_char_type_node, unsigned_char_type_node and char_type_node.
17697 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17698 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17699 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17701 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17702 Daniel Berlin <dberlin@dberlin.org>
17704 * tree-tailcall.c (arg_needs_copy_p): New function.
17705 (eliminate_tail_call): Use arg_needs_copy_p.
17706 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17707 (add_virtual_phis): New function.
17709 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17711 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17712 #ignore instead of #scratch for %g7 .register directive.
17714 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17716 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17719 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17721 * flow.c (calculate_global_regs_live): Assert that there aren't any
17724 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17726 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17727 what its name says.
17728 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17729 bsi_after_labels iterator.
17730 * tree-if-conv.c (find_phi_replacement_condition,
17731 replace_phi_with_cond_modify_expr): Likewise.
17732 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17733 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17735 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17737 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17739 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17742 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17743 array after growing it.
17745 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17747 PR middle-end/24901
17748 * fold-const.c (fold_checksum_tree): Change type of buf.
17750 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17752 * reload.c (push_secondary_reload): Initialize t_icode.
17754 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17756 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17757 -msoft-float -mlong-double-128 only issue a warning, but don't
17758 swich to DFmode long double.
17760 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17762 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17763 has a constant equivalent, iterate over equivalents for arg0,
17764 calling simplify_relational_operation and if there's a result
17765 cheaper than X, apply fold_rtx and return the result.
17767 2006-02-01 Jan Hubicka <jh@suse.cz>
17769 * opts.c (no_unit_at_a_time_default): New global variable.
17770 (decode_options): Use it.
17771 * opts.h (no_unit_at_a_time_default): Declare.
17773 2006-02-01 Paul Brook <paul@codesourcery.com>
17775 * function.c (assign_parm_setup_reg): Use function argument promotion
17777 * expr.c (expand_expr_real_1): Use function argument promotion rules
17780 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17782 * gcc.c (process_command): Change j to 'unsigned int'.
17784 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17786 PR middle-end/26001
17787 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17788 Use the corrected index for the character
17789 out of the string constant.
17791 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17793 * mode-switching.c (optimize_mode_switching): Fix size
17794 allocated for bb_info[n_entities].
17796 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17798 * gcc.c (main): Correct type that is allocated for
17799 explicit_link_files.
17801 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17803 * config/s390/s390.c (init_alignment_context): Set
17804 ALIAS_SET_MEMORY_BARRIER on the MEM.
17805 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17807 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17809 PR middle-end/25933
17810 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17812 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17815 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17817 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17818 * regrename.c: Ditto.
17819 * tree-ssa-loop-im.c: Ditto.
17820 * tree-dump.c: Ditto.
17821 * tree-complex.c: Ditto.
17822 * genrecog.c: Ditto.
17823 * tree-ssa-threadupdate.c: Ditto.
17825 * java/class.c: Ditto.
17826 * java/jcf-parse.c: Ditto.
17827 * java/resource.c: Ditto.
17828 * java/except.c: Ditto.
17829 * java/jvspec.c: Ditto.
17830 * java/jcf-write.c: Ditto.
17831 * java/jcf-path.c: Ditto.
17832 * java/gjavah.c: Ditto.
17833 * java/zextract.c: Ditto.
17834 * java/jcf-io.c: Ditto.
17835 * java/jcf.h: Ditto.
17836 * java/buffer.c: Ditto.
17837 * java/lang.c: Ditto.
17838 * java/parse-scan.y: Ditto.
17839 * java/lex.c: Ditto.
17840 * java/lex.h: Ditto.
17841 * cfgloopmanip.c: Ditto.
17842 * postreload-gcse.c: Ditto.
17843 * tree-ssa-loop-manip.c: Ditto.
17844 * postreload.c: Ditto.
17845 * tree-ssa-loop-ch.c: Ditto.
17848 * cppspec.c: Ditto.
17849 * diagnostic.c: Ditto.
17851 * genoutput.c: Ditto.
17853 * cfghooks.c: Ditto.
17854 * cfgloopanal.c: Ditto.
17855 * objc/objc-act.c: Ditto.
17857 * genextract.c: Ditto.
17858 * genautomata.c: Ditto.
17859 * pretty-print.c: Ditto.
17860 * genemit.c: Ditto.
17861 * cgraphunit.c: Ditto.
17863 * df-scan.c: Ditto.
17864 * haifa-sched.c: Ditto.
17865 * dominance.c: Ditto.
17867 * tree-ssa-loop-ivopts.c: Ditto.
17868 * df-core.c: Ditto.
17869 * mode-switching.c: Ditto.
17870 * modulo-sched.c: Ditto.
17872 * ipa-pure-const.c: Ditto.
17874 * fix-header.c: Ditto.
17876 * tree-stdarg.c: Ditto.
17877 * ipa-utils.c: Ditto.
17878 * loop-init.c: Ditto.
17879 * ipa-inline.c: Ditto.
17880 * cfganal.c: Ditto.
17882 * alloc-pool.c: Ditto.
17883 * dwarf2out.c: Ditto.
17885 * genattrtab.c: Ditto.
17886 * tree-ssa-loop-ivcanon.c: Ditto.
17887 * predict.c: Ditto.
17888 * timevar.c: Ditto.
17890 * fortran/gfortranspec.c: Ditto.
17891 * regmove.c: Ditto.
17892 * local-alloc.c: Ditto.
17893 * langhooks.c: Ditto.
17894 * function.c: Ditto.
17895 * tree-vectorizer.c: Ditto.
17897 * ipa-type-escape.c: Ditto.
17899 * tree-if-conv.c: Ditto.
17900 * profile.c: Ditto.
17902 * tree-data-ref.c: Ditto.
17903 * loop-unroll.c: Ditto.
17904 * treelang/treetree.c: Ditto.
17906 * bt-load.c: Ditto.
17907 * ggc-common.c: Ditto.
17909 * coverage.c: Ditto.
17911 * tree-cfgcleanup.c: Ditto.
17912 * tree-ssa-pre.c: Ditto.
17913 * cfgcleanup.c: Ditto.
17914 * loop-invariant.c: Ditto.
17915 * loop-iv.c: Ditto.
17916 * ipa-prop.c: Ditto.
17917 * print-tree.c: Ditto.
17918 * conflict.c: Ditto.
17919 * ggc-page.c: Ditto.
17920 * sched-deps.c: Ditto.
17921 * regclass.c: Ditto.
17922 * tree-object-size.c: Ditto.
17923 * combine.c: Ditto.
17924 * bb-reorder.c: Ditto.
17925 * resource.c: Ditto.
17926 * var-tracking.c: Ditto.
17927 * cfgloop.c: Ditto.
17928 * df-problems.c: Ditto.
17929 * reg-stack.c: Ditto.
17931 * gccspec.c: Ditto.
17932 * sched-rgn.c: Ditto.
17933 * tree-ssa-structalias.c: Ditto.
17934 * tree-ssa-reassoc.c: Ditto.
17935 * config/darwin-c.c: Ditto.
17936 * config/darwin.c: Ditto.
17937 * config/arm/arm.c: Ditto.
17939 * collect2.c: Ditto.
17940 * reload1.c: Ditto.
17942 2006-01-31 Nicolas Pitre <nico@cam.org>
17944 * arm.md (smaxsi3): Make aware of smax_m1.
17947 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17949 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17951 2006-01-31 Richard Guenther <rguenther@suse.de>
17953 * doc/invoke.texi (-msselibm): Document.
17954 * target.h (expand_library_builtin): New target hook.
17955 * builtins.c (expand_builtin): Use expand_library_builtin.
17956 (default_expand_library_builtin): New function.
17957 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17958 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17959 (link_gcc_math_spec): Declare.
17960 (static_specs): Add link_gcc_math_spec.
17961 * expr.h (default_expand_library_builtin): Declare.
17962 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17963 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17964 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17965 * config/i386/i386.opt (msselibm): New target option.
17966 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17967 (ix86_init_sse_abi_builtins): New function.
17968 (ix86_expand_library_builtin): Likewise.
17969 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17970 (override_options): Handle error conditions wrt -msselibm.
17971 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17972 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17973 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17976 2006-01-31 Richard Guenther <rguenther@suse.de>
17977 Paolo Bonzini <bonzini@gnu.org>
17979 * doc/install.texi (--disable-libgcc-math): Document.
17981 2006-01-30 Marcin Dalecki <martin@dalecki.de>
17983 * expr.h (expand_normal): new inline function.
17984 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17985 * dojump.c: use it.
17986 * dwarf2out.c: use it.
17989 * expmed.c: use it.
17990 * except.c: use it.
17991 * config/sparc/sparc.c: use it.
17992 * config/i386/i386.c: use it.
17993 * config/rs6000/rs6000.c: use it.
17994 * config/arm/arm.c: use it.
17995 * config/mips/mips.c: use it.
17996 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17998 2006-01-30 Roger Sayle <roger@eyesopen.com>
18000 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18001 argv to the appropriate type.
18003 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18005 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18008 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18011 * config/s390/s390.c (struct machine_function): New flag
18012 decomposed_literal_pool_addresses_ok_p.
18013 (s390_reorg): Set it before final stage of literal pool transforms.
18014 (s390_decompose_address): Only accept displacements of the form
18015 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18017 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18019 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18020 the comparison routine return.
18022 2006-01-30 Michael Matz <matz@suse.de>
18024 * global.c (find_reg): Only evict for global regs.
18025 Take n_refs into account and dump more info.
18027 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18030 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18031 (pragma_trap, pragma_nosave_low_regs): Likewise.
18032 (current_function_anonymous_args): Likewise.
18033 (sh_deferred_function_attributes): New variable.
18034 (sh_deferred_function_attributes_tail): Likewise.
18035 (print_operand): For '@', look up trap_exit attribute.
18036 (calc_live_regs): Look up trapa_handler attribute. For trapa
18037 handlers, save/restore fpscr, but don't do any other
18038 interrupt-specific saves.
18039 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18040 Fix check for partially saved registers to check for SHmedia.
18041 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18042 (sh_output_function_epilogue): Don't clear any of the removed
18044 (sh_insert_attributes): Don't check pragma_interrupt.
18045 Insert deferred attributes. Check that interrupt attribute is
18046 present for other attributes that require its presence.
18047 (sh_attribute_table): Add new attributes trapa_handler and
18049 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18050 Don't check for pragma_interrupt. Don't store argument.
18051 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18052 (sh_deferred_function_attributes): Declare.
18053 (sh_deferred_function_attributes_tail): Likewise.
18054 * sh.md (sp_switch_1): Add operand. Change generator caller.
18055 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18056 (*return_i): Don't use when trap_exit attribute is in effect.
18057 (*return_trapa): New insn pattern.
18058 * sh-c.c: New file.
18059 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18060 setting c_target_objs and cxx_target_objs.
18061 * t-sh: Add rule for sh-c.o.
18063 2006-01-30 Richard Guenther <rguenther@suse.de>
18066 * gimplify.c (gimplify_target_expr): Handle easy cases
18067 without creating a temporary.
18069 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18071 * vec.h (safe_grow): Remove duplicated line.
18073 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18076 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18077 (expand_omp): ... here.
18078 (expand_omp_parallel): Only remove barriers for combined
18079 parallel+workshare constructs.
18081 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18085 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18086 * tree.c (build_qualified_type): Chain the new type to the original
18087 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18088 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18089 (build_pointer_type_for_mode): Only return unqualified types.
18090 (build_reference_type_for_mode): Likewise.
18092 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18094 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18095 * Makefile.in (CXX_COMPAT_WARN): Define.
18096 * configure: Regenerate.
18098 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18101 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18104 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18106 * toplev.c: Fix thinko.
18108 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18109 Marcin Dalecki <martin@dalecki.de>
18111 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18112 (push_srcloc): Use XNEW.
18113 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18115 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18117 * df-core.c (df_set_blocks): Deleted all variable.
18119 2006-01-28 Ian Lance Taylor <ian@airs.com>
18121 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18122 cgraph_output_pending_asms.
18124 2006-01-28 Zack Weinberg <zackw@panix.com>
18126 * c.opt: Add -W(no-)overlength-strings.
18127 * doc/invoke.texi: Document it.
18128 * c-opts.c (c_common_handle_option): -pedantic implies
18129 -Woverlength-strings, if not explicitly disabled already.
18130 (c_common_post_options): -Woverlength-strings defaults to off, and
18131 is always off for C++.
18132 * c-common.c (fix_string_type): Issue warning about strings longer
18133 than is portable only if warn_overlength_strings. Rearrange code
18134 a little for clarity.
18135 * configure.in: Check for -Wno-overlength-strings as well before
18136 enabling -pedantic in stage 1.
18137 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18138 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18140 * genconditions.c (write_header, write_one_condition)
18141 (write_conditions, write_writer): Consolidate very long strings
18142 that were broken up to fit in C89 portable limit. Don't use
18143 printf when fputs will do.
18145 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18147 * combine.c (simplify_comparison <AND>): Check
18148 TRULY_NOOP_TRUNCATION before start using a subreg.
18150 * config/mips/mips.md (*branch_zero<mode>,
18151 *branch_zero<mode>_inverted, *branch_equality<mode>,
18152 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18153 Remove mode check from comparisons.
18155 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18157 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18159 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18161 * expmed.c (const_mult_add_overflow_p): Remove.
18162 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18164 * recog.c (validate_replace_rtx_subexp): Remove.
18165 * recog.h: Remove the prototype for
18166 validate_replace_rtx_subexp.
18168 * integrate.h: Remove the prototype for
18169 copy_decl_for_inlining.
18170 * rtl.h: Remove the prototype for mark_constant_function.
18171 * tree-vectorizer.h: Remove the prototype for
18172 vect_strip_conversion.
18174 * modulo-sched.c (create_partial_schedule,
18175 free_partial_schedule, reset_partial_schedule): Make them
18178 * hooks.c (hook_bool_rtx_int_false): Remove.
18179 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18181 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18183 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18184 and -mlong-double-128 are incompatible.
18185 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18186 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18187 (TARGET_LIBGCC2_CFLAGS): Define.
18188 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18189 (TARGET_LIBGCC2_CFLAGS): Same.
18190 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18192 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18195 * c-typeck.c (build_binary_op): Perform implicit casts of
18196 operands before shortening them.
18198 * cfgloopmanip.c (split_loop_bb): Remove.
18199 * cfgloop.h: Remove the prototype for split_loop_bb.
18201 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18202 * cfgloop.h: Remove the prototype for
18203 flow_loop_outside_edge_p.
18205 * emit-rtl.c (init_virtual_regs): Make it static.
18206 * function.h: Remove the prototype for init_virtual_regs.
18208 * recog.c (peephole2_optimize): Make it static.
18209 * recog.h: Remove the prototype for peephole2_optimize.
18211 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18213 * df-scan.c (df_record_entry_block_defs): Check if
18214 INCOMING_RETURN_ADDR_RTX is defined.
18216 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18217 Kenneth Zadeck <zadeck@naturalbridge.com>
18219 PR rtl-optimization/24762
18220 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18221 * targhooks.c (hook_void_bitmap): New hook prototype.
18222 * targhoohs.h (hook_void_bitmap): Ditto.
18223 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18224 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18225 * target.h (live_on_entry): New function pointer.
18226 * df-scan.c (df_all_hard_regs): Removed.
18227 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18228 (df_scan_free_internal): Added df->entry_block_defs.
18229 (df_scan_alloc): Ditto.
18230 (df_scan_dump): Ditto.
18231 (df_uses_record): Plumbed flag field properly thru calls.
18232 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18233 This part fixes PR24762.
18234 (df_bb_refs_record): Added code to make the frame and arg
18235 pointers live in EH blocks.
18236 (df_refs_record): Added call to df_record_entry_block_defs.
18237 (df_record_entry_block_defs): New function.
18238 * df-core.c: Added comments to describe new artifical defs.
18239 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18240 (entry_block_defs): New field in struct df.
18241 (df_all_hard_regs): Deleted.
18242 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18243 * df-problems.c (df_ru_bb_local_compute_process_def):
18244 Added code to handle artifical defs in the entry to a function.
18245 (df_ru_bb_local_compute): Ditto.
18246 (df_rd_bb_local_compute_process_def): Ditto.
18247 (df_rd_bb_local_compute): Ditto.
18248 (df_lr_bb_local_compute): Ditto.
18249 (df_ur_bb_local_compute): Ditto.
18250 (df_urec_bb_local_compute): Ditto.
18251 (df_chain_create_bb): Ditto.
18252 (df_ur_local_finalize): Removed entry.
18253 (df_urec_init): Ditto.
18254 (df_urec_local_finalize): Ditto.
18255 (df_ri_bb_compute): Added detection of last use of pseudos.
18256 * Makefile.in (df-scan.o): Updated dependencies.
18257 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18258 * config/mips/mips.c (mips_set_live_on_entry): Added.
18259 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18261 * dce.c (marked_insn_p): Added code to handle artifical defs.
18263 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18265 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18267 (_mm_cvtsi128_si64): Likewise.
18268 (_mm_cvtsd_si64): Likewise.
18269 (_mm_cvttsd_si64): Likewise.
18270 (_mm_cvtsi64_sd): Likewise.
18271 (_mm_cvtsi64_si128): Likewise.
18272 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18273 (_mm_cvtsi64_m64): Likewise.
18274 (_m_to_int64): Likewise.
18275 (_mm_cvtm64_si64): Likewise.
18276 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18277 (_mm_cvttss_si64): Likewise.
18278 (_mm_cvtsi64_ss): Likewise.
18279 (_mm_cvtss_f32): Likewise.
18281 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18283 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18284 for pragma redefine_extname.
18286 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18289 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18290 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18291 -mno-minimal-toc to previous content.
18292 (bispecs): Remove goal.
18293 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18294 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18295 compatibility aliases on powerpc-*-*gnu*.
18296 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18297 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18298 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18299 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18300 (ldblspecs): New goal.
18301 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18302 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18304 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18305 L_sf_to_tf or L_df_to_tf is defined.
18307 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18308 Alan Modra <amodra@bigpond.net.au>
18311 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18312 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18313 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18314 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18315 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18316 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18317 (rs6000_override_options): Initialize rs6000_ieeequad.
18318 Initialize TFmode format to ibm_extended_format if not
18320 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18322 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18323 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18324 (function_arg_advance): IBM long double passed in two FPRs, not
18326 (function_arg): IBM long double passed in FPRs.
18327 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18328 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18329 Only multireg GPR aligned.
18330 (rs6000_init_libfuncs): Enable IBM long double functions if not
18332 (rs6000_generate_compare): Use IBM long double compare if not
18334 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18335 (TARGET_IEEEQUAD): Define.
18336 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18337 not TARGET_IEEEQUAD.
18338 * config/rs6000/rs6000.md: Enable TFmode patterns if
18340 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18341 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18342 and -mlong-double-128 are incompatible.
18343 * doc/invoke.texi (-mabi): Collect options together. Add
18344 ibmlongdouble and ieeelongdouble.
18346 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18348 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18350 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18351 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18352 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18353 * rtl.h (rtunion_def): Remove rt_ptr.
18355 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18356 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18357 * config/i386/winnt.c (i386_pe_mark_dllexport)
18358 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18360 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18362 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18364 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18368 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18369 pthread_key_delete. From John David Anglin. gthrw-ify
18370 pthread_getunique_np only if it it's not a macro. Delete
18372 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18373 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18374 __gthread_objc_condition_signal, __gthread_key_delete): Add
18375 "__attribute__ ((__unused__))" to unused arguments.
18376 (__gthread_recursive_mutex_init_function): Add missing return.
18377 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18378 gthr-posix95.h: Use macro-based approach for name redirection
18379 on targets missing weakref.
18381 2006-01-26 Zack Weinberg <zackw@panix.com>
18383 * genconditions.c (write_header): In generated code, #ifdef out
18384 all includes and fake declarations, except includes of bconfig.h
18385 and system.h, unless GCC_VERSION >= 3001. Do not include
18386 gensupport.h in any case.
18387 (write_conditions): Generate a definition of struct c_test. Add
18388 a comment to the generated #endif.
18389 (write_one_condition): Escape backslashes in string too.
18390 (write_writer): Generated code must escape backslashes and quote
18391 marks (but not newlines) in the strings it writes.
18392 * Makefile.in (build/gencondmd.o): Update dependencies.
18394 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18397 * Makefile.in (insn-automata.o): Add header file dependencies.
18398 * genautomata.c: Add includes.
18400 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18403 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18405 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18407 * configure.ac: Expect target tools paths to be passed from the toplevel
18408 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18410 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18412 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18415 * c.opt (Wpointer-sign): Init to -1.
18416 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18417 OPT_pedantic, to 0 otherwise.
18418 * doc/invoke.texi: Update.
18420 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18422 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18423 constants provided by 80387 instructions in the destination mode.
18425 2006-01-26 Richard Guenther <rguenther@suse.de>
18426 Andrew Pinski <pinskia@physics.uc.edu>
18429 partial PR tree-opt/17064
18430 * tree-ssa-structalias.c (intra_create_variable_infos):
18431 Create heap variables for incoming parameters if
18432 flag_argument_noalias > 1.
18433 (find_what_p_points_to): Look through default defs of
18436 2006-01-26 Jeff Law <law@redhat.com>
18439 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18440 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18441 within the VR_RANGE, use the VR_RANGE as the result, not the
18443 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18444 bounds for the type.
18446 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18448 * tree-ssa-alias.c (maybe_create_global_var): Change
18449 subvar walking to an assertion that we don't have subvar'd variables.
18451 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18454 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18455 Use a new variable, inner. PARM_DECLs are always non-weak.
18457 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18459 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18460 --disable-checking.
18462 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18464 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18466 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18468 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18469 (smax_insn, smin_insn, smax_0, smin_0): New.
18471 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18474 * config/cris/cris.c (cris_order_for_addsi3): New function.
18475 * config/cris/cris-protos.h: Prototype it.
18476 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18477 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18478 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18479 (split for "op.S1 [rx=rx+i],ry (swapped)")
18480 (split for "op(s|u).S1 [rx=rx+i],ry")
18481 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18482 Apply cris_order_for_addsi3 when generating addsi3 insns.
18484 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18486 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18487 (TREE_BLOCK): Add call to EXPR_CHECK.
18489 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18492 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18493 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18494 (dump_omp_clauses): ... here.
18495 (dump_generic_node): Handle OMP_CLAUSE.
18496 * tree.c (omp_clause_num_ops): New.
18497 (omp_clause_code_name): New.
18498 (tree_code_size): Handle OMP_CLAUSE.
18499 (tree_size): Likewise.
18500 (make_node): Document handling of OMP_CLAUSE.
18501 (tree_node_structure): Handle OMP_CLAUSE.
18502 (omp_clause_check_failed): New.
18503 (omp_clause_range_check_failed): New.
18504 (omp_clause_operand_check_failed): New.
18505 (build_omp_clause): New.
18506 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18507 * tree.h (enum omp_clause_code): Declare.
18508 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18509 (OMP_CLAUSE_RANGE_CHECK): Define.
18510 (OMP_CLAUSE_ELT_CHECK): Define.
18511 (omp_clause_check_failed): Declare.
18512 (omp_clause_operand_check_failed): Declare.
18513 (omp_clause_range_check_failed): Declare.
18514 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18515 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18516 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18517 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18518 (OMP_CLAUSE_IF_EXPR): Likewise.
18519 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18520 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18521 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18522 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18523 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18524 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18525 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18526 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18527 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18528 (OMP_CLAUSE_CODE): Define.
18529 (OMP_CLAUSE_SET_CODE): Define.
18530 (OMP_CLAUSE_CODE): Define.
18531 (OMP_CLAUSE_OPERAND): Define.
18532 (struct tree_omp_clause): Declare.
18533 (union tree_node): Add field 'omp_clause'.
18534 * treestruct.def (TS_OMP_CLAUSE): Define.
18535 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18536 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18537 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18538 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18539 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18540 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18541 (OMP_CLAUSE): Define.
18542 * print-tree.c (print_node): Handle OMP_CLAUSE.
18543 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18544 * c-typeck.c: Likewise.
18545 * gimplify.c: Likewise.
18546 * c-omp.c: Likewise.
18547 * tree-nested.c: Likewise.
18548 * tree-inline.c: Likewise.
18549 * c-parser.c: Likewise.
18550 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18553 2006-01-25 Roger Sayle <roger@eyesopen.com>
18555 PR rtl-optimization/25703
18556 * combine.c (try_combine): Handle zero_extract and strict_low_part
18557 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18559 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18561 * global.c: Fix comment typos.
18563 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18566 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18567 Use output_addr_const instead of assemble_name.
18569 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18571 * Makefile.in (sched-vis.o): Update dependencies.
18572 * haifa-sched.c (sched_finish): Clear current_sched_info.
18573 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18574 (dump_flow_info): Call it.
18575 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18577 * basic-block.h (dump_bb_info): Declare.
18578 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18579 option, and apply options only for dump files whose TDF_RTL,
18580 TDF_TREE, or TDF_IPA bits match.
18581 * rtl.h: Declare new functions exported from sched-vis.c.
18582 * sched-vis.c: Enable also if scheduling is not used.
18583 (print_value): Print the mode of registers if not inside scheduling.
18584 (print_insn): Make it work outside the scheduler. Beautify the output
18586 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18588 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18590 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18591 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18592 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18593 depending on the value of CONSTANT_POOL_ADDRESS_P.
18594 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18596 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18597 rather than SYMBOL_REF_DECL.
18598 (rtx_constant_pool): Remove const_rtx_sym_htab.
18599 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18600 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18601 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18602 Remove handling of const_rtx_sym_htab.
18603 (find_pool_constant): Delete.
18604 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18605 rather than find_pool_constant.
18606 (get_pool_constant_for_function): Delete.
18607 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18608 find_pool_constant.
18609 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18610 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18611 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18612 (SYMBOL_REF_CONSTANT): New macro.
18613 (get_pool_constant_for_function): Delete.
18614 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18615 rather than SYMBOL_REF_DECL.
18616 (i386_pe_mark_dllimport): Likewise.
18617 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18618 rather than SYMBOL_REF_DECL.
18619 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18620 (machopic_indirect_call_target): Likewise.
18622 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18624 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18626 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18628 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18630 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18632 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18634 2006-01-24 David Daney <ddaney@avtrex.com>
18637 * configure.ac (enable_tls): New enable option.
18638 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18639 * configure: Regenerate.
18640 * doc/install.texi (--enable-tls): Document new option.
18641 (--disable-tls): Ditto.
18643 2006-01-24 Richard Henderson <rth@redehat.com>
18645 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18646 * alias.c (true_dependence): Respect it.
18647 (canon_true_dependence, write_dependence_p): Likewise.
18648 * builtins.c (get_builtin_sync_mem): Set it.
18650 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18652 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18655 2006-01-24 DJ Delorie <dj@redhat.com>
18657 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18658 for storing constants in single-bit bitfields.
18660 2006-01-25 Ben Elliston <bje@au.ibm.com>
18662 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18664 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18667 * tree-ssa-pre.c (phi_translate): Return NULL
18668 for AGGREGATE_TYPE's.
18670 2006-01-24 Zack Weinberg <zackw@panix.com>
18672 * genautomata.c (process_state_for_insn_equiv_partition):
18673 Use xcalloc for insn_arcs_array.
18674 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18675 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18677 2006-01-24 Richard Henderson <rth@redhat.com>
18679 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18680 update all callers.
18682 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18684 PR rtl-optimization/25890
18685 PR rtl-optimization/25905
18686 * combine.c (expand_compound_operation, expand_field_assignment):
18687 Fail if the bitfield's final position is out of bounds.
18689 2006-01-24 Ian Lance Taylor <ian@airs.com>
18691 PR middle-end/25930
18692 * cgraphunit.c (cgraph_output_in_order): Don't clear
18693 cgraph_asm_nodes until after asm strings have been output.
18695 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18697 * fix-header.c (read_scan_file): Add new parameter imultilib when
18698 calling register_include_chains.
18700 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18702 * omp-low.c: Update documentation.
18704 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18705 Daniel Berlin <dberlin@dberlin.org>
18709 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18710 return from the function.
18712 2006-01-22 Zack Weinberg <zackw@panix.com>
18714 * rtl.def (match_code): Add second argument.
18715 * genpreds.c (write_extract_subexp): New function.
18716 (write_match_code): Add path argument. Use write_extract_subexp.
18717 (write_predicate_expr): Pass path to write_match_code.
18718 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18719 not perform a mode test.
18720 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18721 a subexpression does not constrain the top-level code set.
18722 * read-rtl.c (read_rtx_variadic): New function.
18723 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18724 * doc/md.texi: Document new notation.
18725 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18726 (cmpsi_operand): ... here, using new notation.
18728 2006-01-22 Zack Weinberg <zackw@panix.com>
18730 * varray.c: Remove GENERATOR_FILE #ifdefs.
18732 2006-01-22 Zack Weinberg <zackw@panix.com>
18734 * genautomata.c (output_reserved_units_table): Emit nothing if
18735 description->query_units_num is zero. Remove extra blank line.
18736 (output_cpu_unit_reservation_p): Short circuit
18737 if description->query_units_num is zero.
18739 2006-01-22 Zack Weinberg <zackw@panix.com>
18741 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18742 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18743 nor any of the random handful of variables that used to be necessary
18744 when this program was linked with rtlanal.o. Prune set of forward
18745 function declarations.
18746 (struct attr_desc): Remove static_p field.
18747 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18748 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18749 (attr_string): Do not read the character one past the length of
18751 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18752 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18753 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18754 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18755 (make_automaton_attrs): New.
18756 (main): Do not call into genautomata. Call local gen_bypass
18757 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18758 Remove special case for insn_alts.
18759 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18760 varray.h (leftover from previous change). Prune set of forward
18761 function declarations. Remove state_alts fields from all
18762 structures. Remove state_alts_table from struct automaton.
18763 Make everything except main static. Do not maintain num_dfa_decls.
18764 Do not maintain state_alts fields of various structures.
18765 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18766 (add_arc): Remove state_alts argument. All callers updated.
18767 (output_reserved_units_table): Emit #ifdef here...
18768 (output_tables): ...not here. Don't generate state_alts tables.
18769 (expand_automata): Don't generate attributes.
18770 (write_automata): Don't generate state_alts functions.
18771 (main): New function.
18772 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18773 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18774 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18775 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18776 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18777 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18778 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18779 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18781 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18782 * genattrtab.h: Delete file.
18783 * Makefile.in (OBJS-common): Add insn-automata.o.
18784 (insn-automata.o): New rule.
18785 (simple_generated_c): Add insn-automata.c.
18786 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18787 (genprogmd): Add automata.
18788 (build/genattrtab): Needs no extra objects nor libraries.
18789 (build/genautomata): Needs build/vec.o and -lm.
18791 2006-01-22 Zack Weinberg <zackw@panix.com>
18793 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18794 (output_dfa_max_issue_rate, locked_states_num): Delete.
18795 (struct automaton): Add locked_states field.
18796 (output_dead_lock_vect): Save number of locked states in
18797 automaton->locked_states. If it is zero, don't print anything.
18798 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18799 (output_internal_dead_lock_func): Only test the dead_lock_vect
18800 for automata that have locked states.
18801 (output_statistics): Always print the number of locked states for
18802 each automaton. Calculate total number of locked states here.
18803 (write_automata): Don't call output_dfa_max_issue_rate.
18804 * genattrtab.c: Define length_unit_log as a const variable.
18805 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18806 max_insn_queue_index const.
18807 * final.c (length_unit_log): Declare const.
18808 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18810 2006-01-22 Zack Weinberg <zackw@panix.com>
18812 * genautomata.c: Include vec.h, not varray.h.
18813 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18814 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18815 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18816 VEC_* macros operating on appropriately typed vectors, or to
18817 malloced arrays when the size is known in advance. Const-ify
18818 many char* variables and function arguments. No functional changes.
18819 * Makefile.in (build/varray.o): Delete rule.
18820 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18821 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18823 2006-01-22 Zack Weinberg <zackw@panix.com>
18825 * gensupport.c: Define get_insn_name and record_insn_name here.
18826 (read_md_rtx): Call record_insn_name as appropriate.
18827 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18828 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18829 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18831 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18832 (BUILD_VARRAY): Delete.
18833 (genprognormal): Rename genprogmd. Fold in all programs from
18834 genprognoprint; also attrtab.
18835 (build/genattrtab): Just mention genautomata.o and varray.o.
18836 Reorganize a bit, add comments to make the categories clearer.
18838 2006-01-22 Zack Weinberg <zackw@panix.com>
18840 * genconditions.c (condition_table, add_condition): Delete.
18841 (write_conditions): Don't emit n_insn_conditions nor
18842 insn_elision_unavailable. Issue the gcc version #ifdef here,
18843 inside the table, with no #else clause ...
18844 (write_header): ...not here.
18845 (write_writer): New function.
18846 (main): Don't initialize condition_table. Use add_c_test.
18848 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18849 files on the command line.
18850 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18851 Return -1 if there is no entry in the table, don't abort.
18852 (add_c_test, traverse_c_tests): New functions.
18853 * gensupport.h (insn_elision_unavailable, insn_conditions)
18854 (n_insn_conditions): Delete declarations.
18855 (add_c_test, traverse_c_tests): Declare.
18856 * read-rtl.c: Include gensupport.h.
18857 (read_conditions): New function.
18858 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18859 (read_rtx_1): If we get EOF when we were looking for an initial
18860 open paren, return 0. Call read_conditions when appropriate.
18861 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18862 dummy-conditions.o. Eliminate references to insn-conditions.o,
18863 or change them to build/gencondmd.o, as appropriate. Remove
18864 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18865 from $(simple_generated_c). For all files remaining in those
18866 two lists, add insn-conditions.md to the generator command line.
18867 Give insn-constants.h/s-constants their own rules. Add rules
18868 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18869 (build/read-rtl.o): Depend on gensupport.h.
18870 (genprognormal): Include preds.
18871 (genprogearly): Rename genprognoprint; only difference is now that
18872 they don't link with $(BUILD_PRINT).
18873 * dummy-conditions.c: Delete.
18875 2006-01-22 Zack Weinberg <zackw@panix.com>
18877 * genextract.c: Don't include insn-config.h. Do include vec.h.
18878 Declare vectors of int, char, and locstr.
18879 (locstr): New typedef.
18880 (struct extraction): Make all array fields into bare pointers.
18881 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18882 (insn_code_number): Delete.
18883 (accum_extract): New struct.
18884 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18885 (gen_insn): Take insn_code_number as an argument. Use an
18886 accum_extract structure instead of loading data directly into
18887 a struct extraction, and having to know how big it might get.
18888 (walk_rtx): Operate entirely on an accum_extract structure.
18889 (print_path): Avoid unnecessary use of printf.
18890 (print_header): New function, split out of main. Distinguish
18891 more carefully between an unrecognizable insn and an insn that
18892 has the code number of a define_expand.
18893 (main): Pass insn_code_number to gen_insn. Call print_header
18894 only after parsing. Avoid unnecessary use of printf.
18895 * Makefile.in (build/vec.o): New rule.
18896 (build/genextract): Depend on build/vec.o.
18897 (build/genextract.o): Don't depend on insn-config.h.
18899 2006-01-22 Zack Weinberg <zackw@panix.com>
18901 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18902 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18903 practical. Eliminate per-generator-program link rules.
18905 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18907 PR middle-end/24437
18908 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18909 with a call expr to ...
18910 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18912 2006-01-23 Richard Guenther <rguenther@suse.de>
18914 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18915 before make_edge with conditional EDGE_TRUE_VALUE.
18917 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18918 Jan Hubicka <jh@suse.cz>
18919 Richard Guenther <rguenther@suse.de>
18921 PR rtl-optimization/25654
18922 * cfgexpand.c (aggregate_contains_union_type): New function.
18923 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18924 for structure variables that contain a union type.
18926 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18928 * gengtype.c (new_structure): Return the structure.
18929 (create_option): Add an extra "next" argument.
18930 (create_field): New function.
18931 (adjust_field_rtx_def): Use create_option and create_field.
18932 Remove a now-unnecessary call to find_structure.
18933 (adjust_field_tree_def): Likewise.
18934 (note_yacc_type): Remove an unnecessary call to find_structure.
18935 * gengtype.h (new_structure): Return the structure.
18936 (create_option): Add an extra argument.
18937 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18938 (option): Adjust calls to create_option.
18940 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18942 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18944 2006-01-22 Paul Brook <paul@codesourcery.com>
18945 Peter Barada <peter@the-baradas.com>
18947 * config/m68k/m68k.md: Add Coldfire FPU support.
18948 Define FP mode macro and associated attributes.
18949 Use it for float mode patterns.
18950 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18951 (LIBCALL_VALUE): Use m68k_libcall_value.
18952 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18953 (m68k_function_value): Ditto.
18954 (emit_move_sequence): Ditto.
18955 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18956 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18957 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18958 (MULTILIB_EXCEPTIONS): Ditto.
18959 * config/m68k/m68k.opt: Add mcfv4e.
18960 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18961 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18962 (m68k_output_function_prologue): Save ColdFire FPU registers.
18963 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18964 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18965 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18966 ColdFire FPU registers.
18967 (m68k_libcall_value, m68k_function_value): New functions.
18968 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18969 (LIBCALL_VALUE): Use m68k_libcall_value.
18970 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18971 (MASK_COLDFIRE): Add MASK_CFV4E.
18972 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18973 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18974 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18975 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18976 (GO_IF_LEGITIMATE_ADDRESS): Use it.
18977 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
18978 * doc/invoke.tex: Document -mcfv4e on m68k.
18980 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
18982 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18985 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18988 * c-opts.c (c_common_handle_option): Don't include
18989 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18990 * doc/invoke.texi (C++ Dialect Options): Document that
18991 -Wnon-virtual-dtor is no longer included in -Wall.
18993 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18995 * gcov.c (print_version), gcov-dump.c (print_version),
18996 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18999 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19001 * df-scan.c (problem_SCAN): Added NULL reset function.
19002 (df_scan_reset_blocks): Added code to call reset block function
19003 (df_bb_refs_delete) Fixed comment.
19004 (df_insn_refs_delete): Made tolerant of deleting non existent info
19005 for dataflow problems that need to be reset.
19006 * df-core.c (df_set_blocks): Ditto.
19007 * df.h (struct df_problem): Added reset_fun.
19008 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19009 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19010 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19011 functions to clear out all references to def-use or use-def chains.
19013 2006-01-21 Ben Elliston <bje@au.ibm.com>
19015 * varasm.c (assemble_real): Initialise data array.
19017 2006-01-20 Paul Brook <paul@codesourcery.com>
19019 Merge from csl-arm-branch.
19020 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19021 * config/arm/arm.md (movdi): Force operands[1] to a register
19022 if we have a non-register source.
19023 (*arm_movdi, *movdf_soft_insn): Require that one of the
19024 operands be a register.
19025 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19026 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19028 2006-01-20 DJ Delorie <dj@redhat.com>
19030 * varasm.c (initializer_constant_valid_p): Allow pointers
19031 initialized from integer constants of lesser precision.
19032 (output_constant): Allow non-int-sized pointer modes to be
19033 initialized from integer constants.
19035 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19038 * cppdefault.h (struct default_include): Add multilib flag.
19039 * cppdefault.c (cpp_include_defaults): Set it.
19040 * c.opt (-imultilib): New option.
19041 * c-opts.c (imultilib): New.
19042 (c_common_handle_option): Handle -imultilib.
19043 (c_common_post_options): Likewise.
19044 * c-incpath.c (add_standard_paths, register_include_chains):
19046 * c-incpath.h (register_include_chains): Add extra parameter.
19047 * gcc.c (do_spec_1): Generate -imultilib option.
19048 (The Specs Language): Update %I description.
19049 (process_command): Update copyright notice.
19050 * doc/cppopts.texi (-imultilib): Document.
19051 * doc/invoke.texi (-imultilib): Include in option summary.
19052 (%I): Update specs documentation.
19054 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19056 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19058 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19060 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19063 2006-01-20 Richard Guenther <rguenther@suse.de>
19064 Steven Bosscher <stevenb.gcc@gmail.com>
19066 PR rtl-optimization/24626
19067 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19068 EDGE_TRUE_VALUE if in RTL mode.
19071 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19072 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19074 2006-01-20 Dirk Mueller <dmueller@suse.com>
19077 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19078 instead of a special NOP marker.
19079 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19080 NOP marker handling.
19081 * c-common.h (empty_body_warning): Add forward declaration.
19082 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19083 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19085 2006-01-20 Paul Brook <paul@codesourcery.com>
19087 * Makefile.in (lang_checks): Keep going if mkdir fails.
19089 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19091 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19092 be able to clean out basic block when not necessary.
19093 (df_scan_free): Fixed to properly delete information if df is
19094 unused before calling df_finish.
19095 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19096 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19098 (df_bb_refs_delete): New function.
19099 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19100 * df-core.c (df_set_blocks): Added code to properly clean out
19101 unused blocks if they are not part of the blocks to consider.
19102 Added additional null check.
19103 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19104 be able to clean out basic block when not necessary
19105 * df.h (df_free_bb_function): Ditto.
19106 (df_bb_refs_delete): New function.
19107 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19108 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19109 basic block parameter to be able to clean out basic block when not
19111 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19112 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19113 Fixed to properly delete information if df is unused before
19116 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19118 PR rtl-optimization/25799
19119 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19120 Corrected confluence operator to remove bits from op2 before oring
19121 with op1 rather than removing bits from op1.
19122 (df_ru_transfer_function): Corrected test on wrong bitmap which
19123 caused infinite loop. Both of these problems were introduced in
19124 the dataflow rewrite.
19126 2006-01-19 DJ Delorie <dj@redhat.com>
19128 * reload1.c (find_reload_regs): Note the details of reload
19129 failures in the dump file.
19130 (spill_failure): Likewise.
19132 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19134 * loop-iv.c: Include df.h and hashtab.h.
19135 (enum iv_grd_result): New enum.
19136 (DF_REF_IV, DF_REF_IV_SET): New macros.
19137 (struct biv_entry): New.
19138 (df, bivs): New global variables.
19139 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19140 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19142 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19143 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19144 analyzed_for_bivness_p, record_biv): New functions.
19145 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19146 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19147 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19149 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19151 (iv_number_of_iterations): Use new interface to iv analysis.
19152 * loop-unroll.c: Do not include varray.h.
19153 (analyze_iv_to_split_insn): Use new interface to iv
19155 * loop-unswitch.c (may_unswitch_on): Ditto.
19156 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19158 (df_bb_modify): Realloc tables to the new index.
19159 (df_find_use): New function.
19160 * df.h (df_find_use): Declare.
19161 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19163 * cfgloop.h (struct rtx_iv): Remove analysed field.
19164 (iv_get_reaching_def): Removed.
19165 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19166 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19167 (loop-iv.o): Add df.h and hashtab.h dependency.
19168 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19170 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19173 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19175 (__floatundisf, __floatundidf): Likewise.
19176 * libgcc2.h (IS_IBM_EXTENDED): Define.
19178 2006-01-19 DJ Delorie <dj@redhat.com>
19180 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19182 2006-01-19 Paul Brook <paul@codesourcery.com>
19184 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19185 as nothrow when unwinding tables are disabled.
19187 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19190 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19191 of bit-field" when in system header.
19193 2006-01-19 DJ Delorie <dj@redhat.com>
19195 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19196 the 16 bit shift limit of the m16c.
19198 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19201 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19202 * config/i386/i386.c (output_set_got): Output the label if we have one
19203 for the TARGET_DEEP_BRANCH_PREDICTION case.
19205 2006-01-19 Jan Hubicka <jh@suse.cz>
19206 H.J. Lu <hongjiu.lu@intel.com>
19207 Evandro Menezes <evandro.menezes@amd.com>
19209 * invoke.texi (generic): Document
19211 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19212 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19213 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19214 (x86_use_incdec, x86_pad_returns): New variables
19215 (TARGET_CPU_DEFAULT_generic): New constant
19216 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19217 (enum processor_type): Add generic32 and generic64.
19218 * i386.md (cpu attribute): Add generic32/generic64
19219 (movhi splitter): Behave sanely when both partial_reg_dependency and
19220 partial_reg_stall are set.
19221 (K8 splitters): Enable for generic as well.
19222 * predicates.md (incdec_operand): Use TARGET_INCDEC
19223 (aligned_operand): Avoid memory mismatch stalls.
19224 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19225 * ppro.md: Enable for generic32
19226 * i386.c (generic64_cost, generic32_cost): New.
19227 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19228 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19229 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19230 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19231 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19232 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19233 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19234 x86_accumulate_outgoing_args, x86_prologue_using_move,
19235 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19236 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19237 Enable for generic.
19238 (x86_use_incdec, x86_pad_returns): New.
19239 (override_options): Add generic32 and generic64, translate "generic"
19240 to generic32/generic64 and "i686" to "generic32", refuse
19241 "generic32"/"generic64" as arch target.
19242 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19243 (ix86_reorg): Honor PAD_RETURNS.
19245 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19247 * tree-pretty-print.c (dump_generic_node): Handle
19248 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19249 * cgraph.c (cgraph_expand_queue): Rename from
19250 cgraph_analyze_queue. Update all users.
19251 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19252 cgraph_expand_queue.
19253 (cgraph_expand_all_functions): Likewise.
19254 (cgraph_finalize_pending_functions): Remove. Update callers.
19256 * tree.h (OMP_DIRECTIVE_P): Define.
19257 (OMP_PARALLEL_FN): Define.
19258 (OMP_PARALLEL_DATA_ARG): Define.
19259 (OMP_SECTIONS_SECTIONS): Define.
19260 * tree-pass.h (pass_expand_omp): Declare.
19261 * omp-low.c (struct omp_region): Declare.
19262 (struct omp_context): Remove fields 'parallel_type',
19263 'parallel_start_ix' and 'parallel_start_additional_args'.
19265 (struct omp_for_data): Rename from struct expand_omp_for_data.
19266 (omp_regions): New static variable.
19267 (root_omp_region): New static variable.
19268 (find_omp_clause): Make static.
19269 (is_in_combined_parallel_ctx): Remove.
19270 (is_combined_parallel): New.
19271 (extract_omp_for_data): Move earlier in the file.
19272 (workshare_safe_to_combine_p): New.
19273 (get_ws_args_for): New.
19274 (determine_parallel_type): Move earlier in the file.
19275 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19277 (omp_copy_decl): Likewise.
19278 (create_omp_child_function): Likewise.
19279 (lookup_omp_region): New.
19280 (dump_omp_region): New.
19281 (debug_omp_region): New.
19282 (debug_all_omp_regions): New.
19283 (new_omp_region): New.
19284 (scan_omp_parallel): If parallel_nesting_level > 1, the
19285 directive is nested within another parallel directive.
19286 Set OMP_PARALLEL_FN.
19287 (scan_omp_for): Do not try to handle combined parallel+for
19289 Remove FIXME comment.
19290 (scan_omp_nested): Remove.
19291 (scan_omp_1): Do not call scan_omp_nested when
19292 parallel_nesting_level is > 1.
19293 Do not change the DECL_CONTEXT of local variables found.
19294 (lookup_decl_in_outer_ctx): New.
19295 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19296 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19297 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19298 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19299 If CTX is nested, lookup VAR in the outer context when
19300 building copy assignment.
19301 (lower_send_clauses): Rename from expand_send_clauses.
19302 If CTX is nested, lookup VAR in the outer context when
19303 building copy assignments.
19304 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19305 If CTX is nested, lookup VAR in the outer context when
19306 building copy assignments.
19307 (expand_parallel_call): Rename from build_parallel_call.
19308 Handle combined parallel+workshare cases.
19309 Re-implement to emit code into the CFG.
19311 (expand_omp_parallel): Re-implement to emit code into the CFG.
19312 Call move_sese_region_to_fn to outline the sub-graph
19313 containing the parallel region.
19314 (expand_omp_for_1): Remove.
19315 (expand_omp_for_generic): Re-implement to emit code into the
19317 (expand_omp_for_static_nochunk): Likewise.
19318 (expand_omp_for_static_chunk): Likewise.
19319 (expand_omp_for): Likewise.
19320 (expand_omp_sections): Likewise.
19321 (remove_exit_barriers): New.
19322 (expand_omp_synch): New.
19324 (build_omp_regions_1): New.
19325 (build_omp_regions): New.
19326 (execute_expand_omp): New.
19327 (gate_expand_omp): New.
19328 (pass_expand_omp): Define.
19329 (lower_omp_sections): Rename from expand_omp_sections.
19330 Set OMP_SECTIONS_SECTIONS.
19331 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19332 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19333 (lower_omp_single): Rename from expand_omp_simple.
19334 (lower_omp_master): Rename from expand_omp_master.
19335 (lower_omp_ordered): Rename from expand_omp_ordered.
19336 (lower_omp_critical): Rename from expand_omp_critical.
19337 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19338 (lower_omp_for): Re-implement.
19339 (lower_omp_parallel): Re-implement.
19340 (lower_regimplify): Rename from expand_regimplify.
19341 (lower_omp_1): Rename from expand_omp_1.
19342 If there are syntax errors in the program, replace every
19343 OpenMP directive with NOP.
19344 Call lower_omp_* instead of expand_omp_*.
19345 (lower_omp): Rename from expand_omp.
19347 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19348 * tree-gimple.h (enum omp_parallel_type): Remove.
19349 (gimple_boolify): Declare extern.
19350 (find_omp_clause, determine_parallel_type): Remove.
19352 * gimple-low.c (lower_omp_directive): New.
19353 (lower_stmt): Call it.
19354 (record_vars_into): Move from ...
19355 (record_vars): ... here.
19356 Call record_vars_into with current_function_decl.
19358 * gimplify.c (struct gimplify_ctx): Remove fields
19359 combined_pre_p and combined_ctxp. Update users.
19360 (get_formal_tmp_var): Add documentation.
19361 (gimple_boolify): Make extern.
19362 (gimplify_expr_in_ctx): Remove. Update callers.
19363 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19364 will always be a BIND_EXPR.
19365 (gimplify_expr): Handle OMP_RETURN_EXPR.
19366 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19367 (OMP_PARALLEL): Add 3 operands.
19368 (OMP_SECTIONS): Add 1 operand.
19369 (OMP_RETURN_EXPR): Define.
19371 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19372 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19373 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19374 creating a circular free list.
19375 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19377 * tree-flow.h (move_sese_region_to_fn): Declare.
19378 (record_vars_into): Declare.
19379 * tree-cfg.c (make_omp_sections_edges): New.
19380 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19381 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19382 OMP_SECTIONS and OMP_SECTION.
19383 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19384 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19385 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19386 (gather_blocks_in_sese_region): New.
19387 (struct move_stmt_d): Declare.
19388 (move_stmt_r): New.
19389 (move_block_to_fn): New.
19390 (move_sese_region_to_fn): New.
19392 * passes.c (init_optimization_passes): Schedule
19393 pass_expand_omp after pass_init_datastructures.
19395 * tree-ssa-operands.c (get_expr_operands): Handle
19396 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19397 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19399 2006-01-19 Jeff Law <law@redhat.com>
19401 * tree-vrp.c (extract_range_from_assert): Refine the result range
19402 if the variable referenced by the ASSERT_EXPR has a range and
19403 either the tentative result range or the previous range is a
19406 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19408 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19410 2006-01-19 Jan Hubicka <jh@suse.cz>
19412 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19414 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19416 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19417 (expand_compound_operation, expand_field_assignment): Fail if the
19418 bit lengths of an extract operation are out of range.
19419 (make_extraction): Compute wanted_inner_mode based on the position
19420 and length of the extraction. Make it extraction_mode for non-constant
19421 positions, and do not modify offset in that case. When generating a
19422 new MEM, use a mode that can hold the extraction while keeping correct
19423 alignment. Remove code that supported MEMs wrapped by USEs.
19424 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19426 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19428 * config/s390/s390.md ("Y", "y"): New mode attribute.
19429 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19430 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19431 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19432 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19433 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19434 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19435 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19436 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19437 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19438 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19439 "addsi3", "subsi3"): Insn patterns removed.
19440 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19441 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19442 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19443 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19444 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19445 "*sub<mode>3_cconly2"): New insn patterns.
19446 ("addsi3", "subsi3"): New expanders.
19448 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19450 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19451 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19452 existing STMT_VINFO_VECTYPE if available.
19453 (vect_mark_relevant): Add special handling for stmts that are
19454 marked as STMT_VINFO_IN_PATTERN_P.
19455 (vect_analyze_loop): Call vect_pattern_recog.
19456 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19457 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19459 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19460 (vect_recog_func_ptr): New function-pointer type.
19461 * tree-vect-patterns.c: New file.
19462 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19463 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19464 (vect_pattern_recog_1): New functions.
19465 (vect_pattern_recog_funcs): New array of function pointers.
19467 * tree-vectorizer.h (ternary_op): New enum value.
19468 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19469 declaration. Revised documentation. Removed redundant dump prints.
19470 Removed redundant argument. Added support for reduction patterns.
19471 (vectorizable_reduction): Added support for reduction patterns.
19472 (vect_transform_stmt): Added support for patterns.
19474 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19475 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19476 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19477 (expand_widen_pattern_expr): New function.
19478 (init_optabs): Initialize new optabs udot_prod_optab,
19480 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19481 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19482 (expand_widen_pattern_expr): New function declaration.
19483 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19485 * tree-inline.c (estimate_num_insns_1): Added cases for new
19486 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19487 * tree-pretty-print.c (dump_generic_node): Likewise.
19488 (op_prio): Likewise.
19489 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19490 * tree-ssa-operands.c (get_expr_operands): Added case for
19492 * tree-vect-patterns.c (widened_name_p): New function.
19493 (vect_recog_dot_prod_pattern): Added function implementation.
19494 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19495 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19496 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19497 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19499 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19500 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19501 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19502 (init_optabs): Initialize new optabs widen_ssum_optab,
19504 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19505 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19506 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19507 use instead of type of def.
19508 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19509 function implementation.
19510 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19511 widen_ssumv8hi): New.
19513 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19516 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19519 * c-decl.c (add_flexible_array_elts_to_size): New function.
19520 (finish_decl): Use it.
19522 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19524 * diagnostic.h: Include options.h.
19525 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19526 dependancies for diagnostic.h.
19527 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19529 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19531 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19532 (ssa_ro_call_cache_valid): Ditto.
19533 * tree-ssa-alias.c (sort_tags_by_id): New function.
19534 (init_transitive_clobber_worklist): Ditto.
19535 (add_to_worklist): Ditto.
19536 (mark_aliases_call_clobbered): Ditto.
19537 (compute_tag_properties): Ditto.
19538 (set_initial_properties): Ditto.
19539 (compute_call_clobbered): Ditto.
19540 (compute_may_aliases): Call compute_call_clobbered and grouping.
19541 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19542 (compute_flow_insensitive_aliasing): Grouping now happens in our
19544 (setup_pointers_and_addressables): Remove clobbering related code.
19545 (add_may_alias): Ditto.
19546 (replace_may_alias): Ditto.
19547 (get_nmt_for): Ditto.
19548 (create_global_var):
19549 (is_escape_site): Return an escape_type enumeration.
19550 * tree-flow-inline.h (is_call_clobbered): Global var does not
19551 imply call clobbered.
19552 (mark_call_clobbered): Take a reason for marking this. Remove
19553 marking of globalness, and cache invalidation.
19554 (clear_call_clobbered): Remove cache invalidation code.
19555 * tree-dfa.c (dump_variable): If details is on, dump the reason
19557 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19559 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19560 (struct var_ann_d): Ditto.
19561 (enum escape_type): New.
19562 (mark_call_clobbered): Adjust prototype.
19563 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19564 are never call clobbered.
19565 Record reasons for escaping.
19566 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19567 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19568 (ssa_ro_call_cache_valid): Ditto.
19569 (clobbered_v_may_defs): Ditto.
19570 (clobbered_vuses): Ditto.
19571 (ro_call_vuses): Ditto.
19572 (clobber_stats): New.
19573 (init_ssa_operands): Zero out clobber stats.
19574 (fini_ssa_operands): Print out clobber stats.
19575 (get_call_expr_operands): Pass callee fndecl to
19576 add_call_read_ops).
19577 (add_call_clobber_ops): Remove use of cache.
19578 Add use of PURE_CONST information.
19579 (add_call_read_ops): Remove use of cache.
19580 Add use of static not_read information.
19582 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19584 Introduce TLS descriptors for i386 and x86_64.
19585 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19586 (TARGET_ANY_GNU_TLS): New macro.
19587 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19588 (struct machine_function): Add tls_descriptor_call_expanded_p.
19589 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19590 (ix86_current_function_calls_tls_descriptor): Likewise.
19591 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19592 (override_options): Introduce gnu2 tls dialect.
19593 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19595 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19597 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19598 (ix86_init_machine_status): Initialize new field.
19599 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19600 (ix86_tls_module_base): New.
19601 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19602 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19603 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19604 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19605 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19606 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19607 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19608 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19609 * config/i386/predicates.md (tls_modbase_operand): New.
19610 (tp_or_register_operand): New.
19612 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19614 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19615 (look_for_address_of): Ditto.
19616 (ipa_init): Walk the function decls.
19617 (static_execute): Don't set readonly on FUNCTION_DECL's.
19619 2006-01-18 Roger Sayle <roger@eyesopen.com>
19621 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19622 for shifts where the source and destination registers are different.
19624 2006-01-18 Paul Brook <paul@codesourcery.com>
19626 Merge from csl-arm-branch.
19627 2005-03-14 Julian Brown <julian@codesourcery.com>
19628 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19629 (aeabi_llsl): Likewise.
19630 (ashrdi3): Likewise.
19631 (aeabi_lasr): Likewise.
19632 (lshrdi3): Likewise.
19633 (aeabi_llsr): Likewise.
19634 2005-03-10 Julian Brown <julian@codesourcery.com>
19635 * config.gcc: Disable shared libgcc for SymbianOS.
19636 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19638 2006-01-18 DJ Delorie <dj@redhat.com>
19640 * c-pragma.c (handle_pragma_diagnostic): New.
19641 (init_pragma): Register it.
19642 * doc/extend.texi: Document it.
19644 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19645 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19646 (diagnostic_context): Add classify_diagnostic[].
19647 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19648 as errors if they're overridden to DK_WARNING.
19649 (diagnostic_initialize): Initialize classify_diagnostic[].
19650 (diagnostic_set_kind_override): New.
19651 (diagnostic_report_diagnostic): Check for kind changes.
19652 * opts.c (common_handle_option): Take lang_mask. Update callers.
19653 Handle OPT_Werror_.
19654 * common.opt (Werror=): New.
19655 * doc/invoke.texi: Document -Werror=*
19657 2006-01-18 Jeff Law <law@redhat.com>
19659 * tree-vrp.c (test_for_singularity): Correct test for new
19660 min limit. Use operand_equal_p rather than pointer equality
19661 for testing if new min/max values are equal.
19663 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19664 using range information until after propagation and folding.
19666 2006-01-18 Richard Henderson <rth@redhat.com>
19667 Aldy Hernandez <aldyh@redhat.com>
19668 Jakub Jelinek <jakub@redhat.com>
19669 Diego Novillo <dnovillo@redhat.com>
19671 * omp-low.c: New file.
19672 * c-omp.c: New file.
19674 2006-01-18 Richard Henderson <rth@redhat.com>
19675 Jakub Jelinek <jakub@redhat.com>
19676 Diego Novillo <dnovillo@redhat.com>
19678 * doc/invoke.texi: Document -fopenmp.
19679 * tree-dump.h (debug_function): Declare.
19680 * hooks.c (hook_bool_tree_bool_false): New function.
19681 (hook_tree_tree_null): Remove.
19682 (hook_tree_tree_tree_null): New.
19683 * hooks.h: Update to match.
19684 * tree-pretty-print.c (debug_tree_chain): New.
19685 (print_generic_expr): Handle TDF_CHAIN.
19686 (dump_generic_node): Handle BLOCK.
19687 Do not abort with incomplete SWITCH_EXPRs.
19688 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19689 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19690 print space after directive name.
19691 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19692 Handle OMP_MASTER and OMP_ORDERED.
19693 Handle printing of OMP_BODY just in one place, goto
19694 dump_omp_body in the rest of OMP_* nodes that have
19696 Don't handle clause nodes here. Update omp statements to
19697 use dump_omp_clauses.
19698 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19699 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19700 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19701 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19702 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19703 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19704 Adjust output for GOMP_PARALLEL.
19705 (dump_omp_clauses): New.
19706 (print_declaration): Dump DECL_VALUE_EXPR.
19707 (op_symbol_1): Split out of op_symbol.
19708 (dumping_stmts): Remove. Update all users.
19709 * cgraph.c (cgraph_analyze_queue): New.
19710 (cgraph_add_new_function): New.
19711 * cgraph.h (cgraph_analyze_queue): Declare.
19712 (cgraph_add_new_function): Declare.
19713 (cgraph_lower_function): Remove.
19714 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19715 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19716 and TYPE_P nodes in its default clause.
19717 (empty_body_p): New.
19718 (tree_range_check_failed): New.
19719 (build5_stat): New.
19720 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19721 OMP_CLAUSE_REDUCTION_MERGE,
19722 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19723 OMP_CLAUSE_PRIVATE_DEBUG,
19724 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19725 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19726 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19727 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19728 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19729 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19730 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19731 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19732 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19733 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19734 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19735 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19736 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19737 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19738 (TREE_RANGE_CHECK): New.
19739 (empty_body_p): Declare.
19740 (enum omp_clause_default_kind): New.
19741 (build_string_literal): Declare.
19742 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19743 (build5_stat, build5): Declare.
19744 * tree-pass.h (TDF_CHAIN): Define.
19745 * tree-pass.h (PROP_gimple_lomp): Define.
19746 (pass_lower_omp): Declare.
19747 * diagnostic.h (debug_tree_chain): Declare.
19748 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19750 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19751 * builtins.c (build_string_literal): Make extern.
19752 * gcc.c (include_spec_function): New.
19753 (static_spec_functions): Add it.
19754 (main): Move load of libgomp.spec ...
19755 (LINK_COMMAND_SPEC): ... here.
19756 (link_gomp_spec): New.
19757 (static_specs): Include it.
19758 (LINK_COMMAND_SPEC): Add link_gomp.
19759 (GOMP_SELF_SPECS): New.
19760 (driver_self_specs): Include it.
19761 (switch_matches): Don't mark inline.
19762 (main): Load libgomp.spec.
19763 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19764 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19765 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19766 * tree-gimple.h (enum omp_parallel): Declare.
19767 (determine_parallel_type): Declare.
19768 (omp_firstprivatize_variable): Declare.
19769 (omp_reduction_init): Declare.
19770 (diagnose_omp_structured_block_errors): Declare.
19771 (struct walk_stmt_info): Add want_return_expr.
19772 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19773 (find_omp_clause): Declare.
19774 (insert_field_into_struct): Declare.
19775 (struct walk_stmt_info): Move from tree-nested.c
19776 (walk_stmts): Declare.
19777 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19779 * cgraphunit.c (cgraph_lower_function): Make static.
19780 (cgraph_finalize_pending_functions): New.
19781 (cgraph_finalize_function): Call it.
19782 (cgraph_finalize_compilation_unit): Likewise.
19783 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19784 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19785 (BT_FN_UINT_UINT): New.
19786 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19787 DEF_FUNCTION_TYPE_VAR_4): Document.
19788 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19789 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19790 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19791 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19792 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19793 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19794 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19795 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19796 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19797 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19798 into separate files.
19799 (DEF_GOMP_BUILTIN): New.
19800 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19801 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19802 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19803 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19804 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19805 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19806 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19807 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19808 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19809 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19810 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19811 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19812 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19813 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19814 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19815 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19816 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19817 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19818 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19819 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19820 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19821 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19822 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19823 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19824 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19825 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19826 * sync-builtins.def: New file, moved from builtins.def.
19827 * omp-builtins.def: New file, moved from builtins.def.
19828 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19829 * gimple-low.c (lower_function_body): Clear data.
19830 (lower_stmt): Do not handle COMPOUND_EXPR.
19831 Remove call to print_node_brief.
19832 * c-tree.h (c_finish_omp_clauses): New prototype.
19833 (C_DECL_THREADPRIVATE_P): Define.
19834 (lookup_name_no_remap, c_omp_remap_private): Remove
19835 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19836 (check_for_loop_decls): Update decl.
19837 (lookup_name_no_remap, c_omp_remap_private): Declare.
19838 (build_indirect_ref, build_modify_expr, pushdecl,
19839 pushdecl_top_level): Move to c-common.h.
19840 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19841 before the switch, but just in the 2 places that need it.
19842 * c-decl.c (diagnose_mismatched_decls): Do not check for
19843 mismatched thread-local attributes when OLDDECL is marked
19844 threadprivate and NEWDECL has no thread-local attributes.
19845 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19846 (c_gimple_diagnostics_recursively): Rename from
19847 c_warn_unused_result_recursively. Invoke
19848 diagnose_omp_structured_block_errors.
19849 (check_for_loop_decls): Return a singular decl found.
19850 * langhooks.c (lhd_omp_predetermined_sharing): Return
19851 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19852 (lhd_omp_firstprivatize_type_sizes): New.
19853 (lhd_omp_assignment): New.
19854 (lhd_omp_predetermined_sharing): New.
19855 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19856 (struct lang_hooks_for_types): Add
19857 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19858 omp_predetermined_sharing, omp_disregard_value_expr,
19859 omp_private_debug_clause, omp_clause_default_ctor,
19860 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19861 (c_finish_omp_clauses): New.
19862 (c_finish_bc_stmt): Diagnose break within omp for.
19863 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19864 (build_unary_op): Return error_mark after reporting
19866 (build_modify_expr): Likewise.
19867 * gimplify.c: Include optabs.h and pointer-set.h.
19868 (enum gimplify_omp_var_data): Declare.
19869 (struct gimplify_omp_ctx): Declare.
19870 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19872 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19873 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19874 (splay_tree_compare_decl_uid): New.
19875 (new_omp_context): New.
19876 (delete_omp_context): New.
19877 (gimple_add_tmp_var): Call omp_add_variable.
19878 (gimplify_bind_expr): Likewise.
19879 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19880 true, disregard DECL_VALUE_EXPR on the decl if any.
19881 (gimplify_expr_in_ctx): New.
19882 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19883 omp_add_variable, omp_notice_variable, omp_is_private
19884 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19885 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19886 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19887 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19888 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19889 gimplify_omp_atomic): New.
19890 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19891 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19892 OMP_CRITICAL and OMP_ATOMIC.
19893 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19894 * c-pragma.h (enum pragma_kind): Add
19895 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19896 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19897 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19898 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19899 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19900 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19901 PRAGMA_OMP_THREADPRIVATE.
19902 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19903 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19904 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19905 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19906 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19907 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19908 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19909 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19910 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19911 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19912 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19913 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19914 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19916 (struct nesting_info): Add field_map,
19917 suppress_expansion, debug_var_chain.
19918 (create_nesting_tree): Initialize them.
19919 (lookup_field_for_decl): Use field_map.
19920 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19921 (convert_local_omp_clauses): New.
19922 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19923 (walk_body): Split out of walk_function.
19924 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19925 (convert_nonlocal_reference): Handle omp statements.
19926 (convert_local_reference): Likewise.
19927 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19928 (unnest_nesting_tree): New.
19929 (lower_nested_functions): Call it.
19930 (insert_field_into_struct): Make extern.
19931 (struct walk_stmt_info): Move to tree-gimple.h.
19932 (walk_stmts): Make extern.
19933 * omp-builtins.def: New file.
19934 * tree-iterator.c (expr_only): Clarify comment.
19935 * c-common.h (pushdecl_top_level, pushdecl,
19936 build_modify_expr, build_indirect_ref,
19937 c_finish_omp_master, c_finish_omp_critical,
19938 c_finish_omp_ordered, c_finish_omp_barrier,
19939 c_finish_omp_atomic, c_finish_omp_flush,
19940 c_finish_omp_for, c_split_parallel_clauses,
19941 omp_clause_default_kind, c_omp_sharing_predetermined,
19942 c_omp_remap_decl): Declare.
19943 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19944 (OBJS-common): Add omp-low.o.
19945 (c-omp.o, omp-low.o): Add.
19946 (gimplify.o): Add dependency on $(OPTABS_H).
19947 (GTFILES): Add omp-low.c.
19948 (gt-stringpool.h): Add.
19949 * tree-cfg.c (set_bb_for_stmt): Do not update the
19950 block-to-labels map if we are currently expanding to RTL.
19951 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19953 Handle IDENTIFIER_NODE.
19954 (tree_verify_flow_info): Do not ICE when emitting error
19955 messages about invalid labels.
19956 (dump_function_to_file): Reset CFUN before emitting the body
19958 (debug_function): New.
19959 * passes.c (init_optimization_passes): Schedule
19961 * langhooks-def.h (lhd_omp_predetermined_sharing,
19962 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19964 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19965 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19966 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19967 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19968 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19969 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19970 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19971 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19972 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19973 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19974 (LANG_HOOK_DECLS): Use them.
19976 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
19977 Richard Henderson <rth@redhat.com>
19978 Jakub Jelinek <jakub@redhat.com>
19979 Diego Novillo <dnovillo@redhat.com>
19981 * c-parser.c (pragma_omp_clause): Define.
19982 (c_parser_declaration_or_fndef): Document OpenMP syntax.
19983 (c_parser_compound_statement): Likewise.
19984 (c_parser_statement): Likewise.
19985 (c_parser_pragma): Handle omp pragmas.
19986 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19987 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19988 (c_parser_omp_clause_name, check_no_duplicate_clause,
19989 c_parser_omp_variable_list,
19990 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19991 c_parser_omp_clause_copyprivate,
19992 c_parser_omp_clause_default,
19993 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19994 c_parser_omp_clause_lastprivate,
19995 c_parser_omp_clause_nowait,
19996 c_parser_omp_clause_num_threads,
19997 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19998 c_parser_omp_clause_reduction,
19999 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20000 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20001 c_parser_omp_atomic, c_parser_omp_barrier,
20002 c_parser_omp_critical, c_parser_omp_flush,
20003 c_parser_omp_for_loop, c_parser_omp_for,
20004 c_parser_omp_master, c_parser_omp_ordered,
20005 c_parser_omp_sections_scope, c_parser_omp_sections,
20006 c_parser_omp_parallel, c_parser_omp_single,
20007 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20008 * c-pragma.c (init_pragma): Do omp pragma registration here.
20009 * c.opt (fopenmp): New flag.
20011 2006-01-18 Eric Christopher <echristo@apple.com>
20013 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20014 * config/darwin.h (GOMP_SELF_SPECS): Define.
20016 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20018 * rtl.h: Remove the prototype for reg_alloc.
20020 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20023 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20024 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20025 sjlj and dwarf2 exception handling.
20026 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20027 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20028 * pa/pa.c (function_value): Treat complex and vector types as
20030 (function_arg): Likewise. Only pass scalar floats in the floating
20031 point argument registers.
20032 * pa/t-slibgcc-dwarf-ver: New file.
20033 * pa/t-slibgcc-sjlj-ver: New file.
20034 * pa/t-slibgcc-elf-ver: Delete file.
20036 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20038 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20039 unlikely_test_section_p test.
20041 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20043 * mode-switching.c (optimize_mode_switching): Make it static.
20044 * basic-block.h: Remove the prototype for
20045 optimize_mode_switching.
20047 * modulo-sched.c (sms_schedule): Make it static.
20048 * rtl.h: Remove the prototype for sms_schedule.
20050 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20051 * rtl.h: Remove the prototype for gcse_after_reload_main.
20053 * reg-stack.c (reg_to_stack): Make it static.
20054 * rtl.h: Remove the prototype for reg_to_stack.
20056 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20058 * rtl.h: Remove the prototypes for regrename_optimize and
20059 copyprop_hardreg_forward.
20061 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20063 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20064 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20065 Test against the appropriate null constant for the mode.
20066 If 'fixup_overlap' is true, swap the operands if they overlap.
20067 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20068 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20069 alpha_split_tmode_pair and adjust for above change.
20070 * config/alpha/alpha.md (movtf_internal): Adjust call to
20071 alpha_split_tfmode_pair and rely on it to swap the operands.
20072 (movti_internal): New insn and post-reload splitter.
20073 (movti): New expander.
20075 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20077 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20080 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20082 * rtlanal.c (global_reg_mentioned_p_1,
20083 global_reg_mentioned_p): Remove.
20084 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20086 * flow.c (initialize_uninitialized_subregs): Make it static.
20087 * rtl.h: Remove the prototype for
20088 initialize_uninitialized_subregs.
20090 * function.c (instantiate_virtual_regs): Make it static.
20091 * function.h: Remove the prototype for
20092 instantiate_virtual_regs.
20094 * regmove.c (regmove_optimize, combine_stack_adjustments):
20096 * rtl.h: Remove the prototypes for regmove_optimize and
20097 combine_stack_adjustments.
20099 2006-01-17 Roger Sayle <roger@eyesopen.com>
20101 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20102 (size_cost): Encode costs in bytes so that a reg-reg addition is
20103 equivalent to COSTS_N_INSNS(1).
20104 (override_options): Use the size_cost.branch_cost as the default
20105 ix86_branch_cost when optimizing for size.
20107 2006-01-18 Ben Elliston <bje@au.ibm.com>
20109 * Makefile.in (D32PBIT_FUNCS): New.
20110 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20111 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20112 D64PBIT_FUNCS and D128PBIT_FUNCS.
20113 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20114 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20116 (decnumber_dep): Define.
20117 * doc/libgcc.texi (Decimal float library routines): New node.
20118 * config/dfp-bit.h, config/dfp-bit.c: New files.
20120 2006-01-18 Ben Elliston <bje@au.ibm.com>
20122 * expr.c (emit_move_change_mode): Always adjust addresses, not
20123 just during reload. Copy replacements only during reload.
20124 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20125 emit_move_via_integer.
20127 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20129 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20130 instead of $(srcdir) and ${srcdir}.
20132 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20135 PR middle-end/11135
20136 * arm.h (struct machine_function): Add pic_reg.
20137 * arm.c (arm_pic_register): Make unsigned.
20138 (arm_override_options): Only set arm_pic_register if
20139 TARGET_SINGLE_PIC_BASE.
20140 (use_return_insn): Only test for a pic register if it is fixed.
20141 (arm_compute_save_reg0_reg12_mask): Likewise.
20142 (thumb_compute_save_reg_mask): Likewise.
20143 (legitimate_pic_operand): Factor out some known invariants.
20144 (legitimize_pic_address): If we don't have a fixed pic register,
20145 then set up a pseudo in the function entry sequence. Handle the
20146 pic base being in a pseudo.
20147 (arm_load_pic_register): Handle the pic register being in a pseudo.
20148 (arm_expand_prologue): Only set up the pic register if it is fixed.
20149 (thumb_expand_prologue): Likewise.
20150 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20151 (pic_load_addr_based_insn): Likewise.
20152 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20155 2006-01-18 Ben Elliston <bje@au.ibm.com>
20157 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20158 decimal float modes for all floating point registers.
20160 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20161 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20163 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20166 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20167 even when the pointer is not NULL.
20169 2006-01-16 Ian Lance Taylor <ian@airs.com>
20171 * common.opt (ftoplevel-reorder): New option.
20172 * cgraph.c (cgraph_asm_nodes): New global variable.
20173 (cgraph_asm_last_node): New static variable.
20174 (cgraph_order): New global variable.
20175 (cgraph_create_node): Set new order field.
20176 (cgraph_varpool_node): Likewise.
20177 (decide_is_variable_needed): Return true if not
20178 flag_toplevel_reorder.
20179 (cgraph_add_asm_node): New function.
20180 * cgraph.h (struct cgraph_node): Add order field.
20181 (struct cgraph_varpool_node): Add order field.
20182 (struct cgraph_asm_node): Define.
20183 (cgraph_asm_nodes, cgraph_order): Declare.
20184 (cgraph_add_asm_node): Declare.
20185 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20187 (cgraph_varpool_assemble_pending_decls): Call it.
20188 (cgraph_output_pending_asms): New static function.
20189 (cgraph_finalize_compilation_unit): Call it.
20190 (struct cgraph_order_sort): Define.
20191 (cgraph_output_in_order): New static function.
20192 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20193 !flag_toplevel_reorder case.
20194 * c-parser.c: Include "cgraph.h".
20195 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20197 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20198 than -fno-unit-at-a-time.
20199 * doc/invoke.texi (Option Summary): Mention
20200 -fno-toplevel-reorder.
20201 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20202 -funit-at-a-time documentation.
20204 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20205 Kazu Hirata <kazu@codesourcery.com>
20207 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20209 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20211 * Makefile.in (FUNCTION_H): New. Use it instead of
20212 function.h throughout the file.
20213 * function.h: Include tree.h.
20215 2006-01-17 Ben Elliston <bje@au.ibm.com>
20217 * recog.c: Separate some functions with whitespace.
20219 2006-01-16 Richard Henderson <rth@redhat.com>
20221 Merge from gomp branch:
20222 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20223 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20224 and rename from struct inline_data. Rename callee* to dst*;
20225 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20226 transform_new_cfg, transform_return_to_modify, and
20227 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20229 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20230 (copy_decl_for_dup): Remove.
20231 * tree-inline.c (struct inline_data): Move to header.
20232 (insert_decl_map): Export.
20233 (remap_decl): Update for member name changes. Use copy_decl hook.
20234 Allow for replacement to be a non-decl. Remove dead code.
20235 (remap_type_1): Check for existing mapping.
20236 (remap_type): Export.
20237 (remap_decls): Update for member name changes.
20238 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20239 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20240 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20241 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20242 (tree_function_versioning, build_duplicate_type): Likewise.
20243 (copy_body_r): Likewise. Export.
20244 (copy_decl_for_dup): Split into ...
20245 (copy_decl_for_dup_finish, copy_decl_to_var,
20246 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20247 (replace_ref_tree, inlining_p): Remove.
20249 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20251 * ifcvt.c (if_convert): Make it static.
20252 * rtl.h: Remove the prototype for if_convert.
20254 * local-alloc.c (local_alloc): Make it static.
20255 * rtl.h: Remove the prototype for local_alloc.
20257 * loop.c (loop_optimize): Make it static.
20258 * cfgloop.h: Remove the prototype for loop_optimize.
20261 2006-01-16 DJ Delorie <dj@redhat.com>
20263 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20266 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20268 * pa.md: Disparage copies between general and floating-point registers
20269 in 32-bit move patterns.
20271 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20274 * Makefile.in (check-%): Depend on site.exp instead of
20275 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20278 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20280 * global.c (global_alloc): Make it static.
20281 * rtl.h: Remove the prototype for global_alloc.
20283 2006-01-16 Richard Guenther <rguenther@suse.de>
20285 * tree-ssa-alias.c (struct used_part): Add write_only field.
20286 (get_or_create_used_part_for): Initialize it to true.
20287 (create_overlap_variables_for): Don't create structure variables
20288 for structures that only are written to.
20289 (find_used_portions): Handle MODIFY_EXPR to track whether a
20290 structure is only written to.
20292 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20294 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20296 * basic-block.h: Remove the prototype for
20297 partition_hot_cold_basic_blocks.
20299 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20301 * cppspec.c (lang_specific_spec_functions): Remove.
20302 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20303 * gcc.h (lang_specific_spec_functions): Remove.
20304 * gccspec.c (lang_specific_spec_functions): Remove.
20306 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20308 * combine.c (record_value_for_reg): Invalidate registers
20310 (record_dead_and_set_regs_1): Likewise, by passing them to
20311 record_value_for_reg.
20312 (record_dead_and_set_regs): Invalidate stores made by a
20313 call. We do not combine across a call, but we still
20314 relied on equivalences.
20316 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20318 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20319 vrp_int_const_binop returning non-constant nodes.
20321 2006-01-16 Paul Brook <paul@codesourcery.com>
20323 * config/m68k/m68k.c (output_move_const_into_data_reg):
20324 Output correct mnemonic for mvz and mvs.
20326 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20328 * rtl-factoring.c: Add sequence abstraction algorithm.
20329 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20330 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20332 (block_has_preserve_label): New function.
20333 * common.opt: Register new pass.
20334 * Makefile.in: Ditto.
20336 * timevar.def: Ditto.
20337 * tree-pass.h: Ditto.
20338 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20339 * rtl.h (make_jump_insn_raw): Add forward decl.
20340 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20342 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20343 Roger Sayle <roger@eyesopen.com>
20345 * fold-const.c (fold_minmax): New static function.
20346 (fold_binary) <MIN_EXPR>: Call it.
20347 <MAX_EXPR>: Likewise.
20348 * stor-layout.c (place_field): Use DECL_SIZE consistently
20349 in the computation of the new record size.
20351 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20353 * cse.c (cse_condition_code_reg): Make it static.
20354 * rtl.h: Remove the prototype for cse_condition_code_reg.
20356 * combine.c (combine_instructions): Make it static.
20357 * rtl.h: Remove the prototype for combine_instructions.
20359 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20362 * tree.c (get_file_function_name_long): Concatenate the first global
20363 object name with a string derived from the input filename of the object
20366 2006-01-16 Ben Elliston <bje@au.ibm.com>
20368 * config/i386/winnt-stubs.c: Update FSF address.
20369 * config/xtensa/ieee754-df.S: Ditto.
20370 * config/xtensa/ieee754-sf.S: Ditto.
20372 2006-01-14 Ian Lance Taylor <ian@airs.com>
20374 * ifcvt.c (noce_init_if_info): New static function, broken out of
20375 noce_process_if_block.
20376 (noce_process_if_block): Call noce_init_if_info.
20377 (check_cond_move_block): New static function.
20378 (cond_move_process_if_block): New static function.
20379 (process_if_block): Call cond_move_process_if_block.
20381 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20383 * cselib.c (hash_table): Rename to cselib_hash_table.
20384 (cselib_clear_table, discard_useless_values,
20385 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20386 cselib_init, cselib_finish): Adjust uses of hash_table.
20388 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20390 PR tree-optimization/25485
20391 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20392 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20393 is known to be false and true, respectively.
20395 2006-01-14 Richard Guenther <rguenther@suse.de>
20397 PR tree-optimization/22548
20398 PR tree-optimization/22555
20399 PR tree-optimization/22501
20400 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20401 * params.def (salias-max-array-elements): New parameter.
20402 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20403 * doc/invoke.texi (salias-max-array-elements): Document.
20404 * tree-flow-inline.h (var_can_have_subvars): We also handle
20406 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20408 * tree-ssa-structalias.c (params.h): Include.
20409 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20410 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20411 (get_constraint_for): For ADDR_EXPR operating on something
20412 containing an ARRAY_REF, add all subvars to the solution.
20413 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20414 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20415 for creating MUST_DEFs.
20416 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20418 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20420 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20422 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20423 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20424 number_of_iterations_le): New functions.
20425 (number_of_iterations_special): Removed.
20426 (number_of_iterations_exit): Do not use number_of_iterations_special.
20427 * tree.c (unsigned_type_for): Always return integer type.
20429 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20430 Richard Guenther <rguenther@suse.de>
20432 PR rtl-optimization/24257
20433 * gcse.c (find_moveable_store): Only consider a store movable
20434 when the SET_SRC of the insn can be assigned to a register.
20436 2006-01-14 Ian Lance Taylor <ian@airs.com>
20438 * tree.c (tree_not_class_check_failed): New function.
20439 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20440 (tree_not_class_check_failed): Declare.
20442 2006-01-13 Ian Lance Taylor <ian@airs.com>
20444 * reload1.c (do_output_reload): Add assertion rejecting a
20447 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20449 * combine.c (struct reg_stat): Add new fields truncation_label and
20451 (record_value_for_reg): Reset truncated_to_mode.
20452 (record_truncated_value): New function.
20453 (check_promoted_subreg): Call it. Rename to check_conversions.
20454 (combine_instructions): Rename check_promoted_subreg to
20456 (reg_truncated_to_mode): New function.
20457 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20458 (gen_lowpart_or_truncate): New function.
20459 (force_to_mode): Use it instead of gen_lowpart.
20461 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20463 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20464 VAR is a tag, not its type tag.
20466 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20468 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20469 alternatives to match style of other entries.
20470 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20472 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20474 PR tree-optimization/25771
20475 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20478 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20481 * tree-inline.c (declare_return_variable): If the return variable
20482 was marked as a non gimple complex, set the return slot variable
20483 to be a non gimple comple variable.
20485 2006-01-13 Richard Guenther <rguenther@suse.de>
20487 * builtins.c (expand_builtin_sincos): New function.
20488 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20490 (expand_builtin): Expand sincos using expand_builtin_sincos.
20492 2006-01-12 DJ Delorie <dj@redhat.com>
20494 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20495 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20496 so that constant shifts can be split.
20497 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20498 (m32c_valid_pointer_mode): Make static.
20499 (shift_gen_func_for): New.
20500 (m32c_prepare_shift): Use it. Split large const shifts into
20502 * config/m32c/predicates.md (shiftcount_operand): Allow more
20504 (longshiftcount_operand): New.
20505 * doc/md.texi (Machine Constraints): Document In6.
20507 2006-01-13 Ben Elliston <bje@au.ibm.com>
20509 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20510 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20513 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20515 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20516 to try to avoid clobbering pieces of structures when we know
20517 something about the whole structure.
20518 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20520 2006-01-13 Ben Elliston <bje@au.ibm.com>
20522 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20523 return in memory, as this is no limitation is no longer present.
20525 2006-01-12 DJ Delorie <dj@redhat.com>
20527 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20528 mova with fb, and for fb+0 -> An.
20530 * config/m32c/mov.md (peephole2): Fix enabling logic.
20532 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20533 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20534 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20535 FINI_ARRAY_SECTION_ASM_OP): Define.
20537 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20539 (m32c_legitimize_reload_address): New logic to reload FB to An.
20540 (m32c_output_reg_push): Add newline.
20541 (m32c_output_reg_pop): Likewise.
20543 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20545 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20547 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20549 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20551 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20553 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20556 2006-01-11 Ben Elliston <bje@au.ibm.com>
20558 * rtlanal.c (find_reg_note): Assert insn is not null.
20560 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20562 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20565 2006-01-11 Jeff Law <law@redhat.com>
20567 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20569 (mark_threaded_blocks, register_jump_thread): New functions.
20570 (thread_through_all_blocks): Remove unwanted argument. No
20571 longer rely on e->aux to communicate thread target info.
20572 Call mark_threaded_blocks. Release the threaded_blocks
20573 bitmap and threaded_edges vector when complete.
20574 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20575 (threaded_blocks): Remove.
20576 (tree_ssa_dominator_optimize): Remove initialization and
20577 finalization of threaded_blocks. Simplify call to
20578 thread_through_all_blocks.
20579 (thread_across_edge): Call register_jump_thread rather than
20580 storing thread information into e->aux.
20581 (free_all_edge_infos): Simplify now that e->aux is no longer
20582 used to communicate with thread_through_all_blocks.
20583 * tree-flow.h (thread_through_all_blocks): Update prototype.
20584 (register_jump_thread): Prototype.
20586 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20588 * df-core.c (df_compact_blocks, df_bb_replace): Use
20589 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20591 2006-01-11 Richard Guenther <rguenther@suse.de>
20593 PR tree-optimization/25734
20594 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20595 stop propagation after successful propagation to the LHS.
20597 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20599 * basic-block.h (control_flow_graph): Change the type of
20600 x_basic_block_info to VEC(basic_block,gc) *.
20601 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20603 (SET_BASIC_BLOCK): New.
20604 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20605 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20606 * cfgbuild.c (find_basic_blocks): Likewise.
20607 * cfglayout.c (fixup_reorder_chain): Likewise.
20608 * cfgrtl.c (create_basic_block_structure,
20609 rtl_create_basic_block): Likewise.
20610 * ifcvt.c (find_if_case_1): Likewise.
20611 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20614 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20616 * Makefile.in: Removed rotted odf.c entry.
20618 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20621 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20622 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20623 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20624 output pattern modifier, not %e.
20625 * config/cris/cris.c (cris_op_str): Update comment about pattern
20627 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20628 before falling through into...
20629 <case 'E'>: Redefined from old 'e' case.
20631 2006-01-11 Jan Hubicka <jh@suse.cz>
20634 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20636 2006-01-11 Jan Hubicka <jh@suse.cz>
20638 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20639 * i386.c (x86_decompose_lea): Kill.
20640 (ix86_rtx_costs): Kill.
20642 2006-01-11 Jan Hubicka <jh@suse.cz>
20644 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20645 * cgraph.h (cgraph_node): Add inline_decl.
20646 (cgraph_insert_node_to_hashtable): Declare.
20647 (save_inline_function_body): Declare.
20648 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20650 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20651 (cgraph_function_versioning): Update call of tree_function_versioning.
20652 (save_inline_function_body): New function.
20653 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20654 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20655 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20656 (cgraph_default_inline_p): Likewise.
20657 (cgraph_decide_inlining_incrementally): Likewise.
20658 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20659 (copy_bb): Kill saving; do updating of clones.
20660 (copy_cfg_body): Kill saving.
20661 (initialize_inlined-parameters): Likewise.
20662 (expand_call_inline): Likewise.
20664 (tree_function_versioning): New parameter "update_clones".
20665 (inlining_p): Kill saving.
20666 * tree-inline.h (tree_function_versioning): Update prototype.
20667 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20670 2006-01-11 Ian Lance Taylor <ian@airs.com>
20672 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20673 Allow undoing set of machine mode.
20674 (do_SUBST): Use enums instead of is_int.
20675 (do_SUBST_MODE): New function.
20676 (SUBST_MODE): New macro.
20677 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20678 reg and trying to replace reg_regno_rtx with a new register.
20679 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20680 (simplify_set): Use SUBST_MODE.
20681 (distribute_notes): Remove code that tried to update reg notes
20682 for regno_reg_rtx changes.
20684 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20686 PR tree-optimization/23109
20687 PR tree-optimization/23948
20688 PR tree-optimization/24123
20690 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20691 * tree-cfg.c (single_noncomplex_succ): New.
20692 * tree-flow.h (single_noncomplex_succ): Declare it.
20693 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20694 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20695 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20696 insert_bb, register_division_in, insert_reciprocals,
20697 replace_reciprocal, free_bb): New.
20698 (execute_cse_reciprocals_1): Rewritten.
20699 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20700 Do not commit any edge insertion. Always compute dominators and
20701 create the allocation pool.
20702 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20703 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20704 * targhooks.c (default_min_divistions_for_recip_mul): New.
20705 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20706 * passes.c (init_optimization_passes): Run recip after tree loop
20708 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20710 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20711 Kenneth Zadeck <zadeck@naturalbridge.com>
20713 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20714 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20715 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20716 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20717 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20718 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20719 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20720 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20721 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20722 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20723 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20724 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20725 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20726 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20727 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20728 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20729 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20730 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20731 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20732 DF_SCAN_POST_ALLOC): New macros.
20733 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20734 df_free_bb_function, df_local_compute_function, df_init_function,
20735 df_dataflow_function, df_confluence_function_0,
20736 df_confluence_function_n, df_transfer_function,
20737 df_finalizer_function, df_free_function, df_dump_problem_function,
20738 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20739 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20740 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20741 df_urec_bb_info, ) New types.
20742 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20744 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20745 df_analyze_simple_change_some_blocks,
20746 df_analyze_simple_change_one_block, df_compact_blocks,
20747 df_bb_replace, df_bb_regno_last_use_find,
20748 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20749 df_insn_regno_def_p, df_find_def, df_find_use,
20750 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20751 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20752 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20753 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20754 debug_df_chain, df_get_dependent_problem, df_chain_create,
20755 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20756 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20757 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20758 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20759 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20760 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20761 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20762 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20763 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20764 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20765 df_reorganize_refs, df_set_state, df_hard_reg_init,
20766 df_read_modify_subreg_p) New public functions.
20767 * df-core.c: The core dataflow solver and glue routines for rtl
20769 (df_init, df_add_problem, df_set_blocks, df_finish,
20770 df_hybrid_search_forward, df_hybrid_search_backward,
20771 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20772 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20773 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20774 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20775 df_reg_defined, df_find_use, df_reg_used, df_dump,
20776 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20777 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20778 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20779 debug_df_useno, reset_df_after_reload): New functions.
20780 * df-scan.c: The scanning fuctions, once in df.c, completely
20781 rewritten so that they now fully model the functionality of
20782 register usage at the backend.
20783 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20784 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20785 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20786 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20787 df_get_artificial_defs, df_get_artificial_uses,
20788 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20789 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20790 df_refs_delete, df_reorganize_refs, df_set_state,
20791 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20792 df_def_record_1, df_defs_record, df_uses_record,
20793 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20794 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20795 df_record_exit_block_uses, df_hard_reg_init): New functions.
20797 * df-problems.c: Seven concrete dataflow problems that use the
20798 scanning in df-scan.c and are solved by the engine in df-core.c.
20799 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20800 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20801 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20802 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20803 df_ru_free_bb_info, df_ru_alloc,
20804 df_ru_bb_local_compute_process_def,
20805 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20806 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20807 df_ru_transfer_function, df_ru_free, df_ru_dump,
20808 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20809 df_rd_free_bb_info, df_rd_alloc,
20810 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20811 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20812 df_rd_transfer_function, df_rd_free, df_rd_dump,
20813 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20814 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20815 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20816 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20817 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20818 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20819 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20820 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20821 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20822 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20823 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20824 df_urec_mark_reg_use_for_earlyclobber,
20825 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20826 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20827 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20828 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20829 df_chain_create_bb_process_use, df_chain_create_bb,
20830 df_chain_finalize, df_chain_free, df_chains_dump,
20831 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20832 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20833 df_reg_lifetime): New functions.
20834 * df.c: Deleted file.
20835 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20836 consistent with new df api.
20837 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20838 rest_of_handle_sms): Ditto.
20839 * web.c (unionfind_union, union_defs, entry_register, web_main):
20841 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20842 invariant_expr_equal_p, find_defs, check_dependencies,
20843 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20844 free_inv_motion_data, move_loop_invariants): Ditto.
20845 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20846 Update dependencies.
20847 (odf.c): Added defective entry that was deleted later in day.
20848 * sched-deps.c (sched_analyze_1): Ditto.
20850 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20852 * tree-ssa-operands.c (get_expr_operands): Record addressable
20853 variables directly. Do not call add_stmt_operands for CONST_DECLs
20855 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20856 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20858 2006-01-11 Ben Elliston <bje@au.ibm.com>
20860 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20861 function returns true in the positive case.
20863 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20866 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20867 for SI, DI, SF and DF modes. Add alternatives to copy between
20868 general and floating point registers to the 32-bit patterns.
20869 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20870 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20871 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20872 generating 64-bit code.
20873 * config/pa/pa.c (output_move_double): Handle copies between general
20874 and floating registers.
20876 2006-01-10 Stuart Hastings <stuart@apple.com>
20878 * config/i386/i386.md (set_got): Update.
20879 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20880 (builtin_setjmp_receiver): Mach-O support.
20881 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20882 (GOT_SYMBOL_NAME): Define.
20883 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20884 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20885 * config/i386/i386.c (override_options): Revise for Darwin.
20886 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20887 support. (darwin_x86_file_end): New. (output_set_got): Add label
20888 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20889 * config/i386/i386-protos.h (output_set_got): Likewise.
20890 * config/darwin.c (machopic_legitimize_pic_address): Update
20893 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20895 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20896 when MODE isn't BLKmode.
20898 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20900 PR rtl-optimization/25367
20901 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20903 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20906 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20907 for a negative bound.
20909 2006-01-10 Richard Guenther <rguenther@suse.de>
20911 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20912 Never override with anything constraint.
20914 2006-01-10 Jan Beulich <jbeulich@novell.com>
20916 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20917 256 bits when optimize_size.
20919 2006-01-10 Jan Beulich <jbeulich@novell.com>
20921 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20923 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20924 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20927 2006-01-10 Ben Elliston <bje@au.ibm.com>
20929 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20931 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20932 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20933 (USE_FP_FOR_ARG): Reject decimal float modes.
20934 (function_arg_advance): Likewise.
20935 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20936 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20937 point types in AltiVec vectors.
20938 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20939 (rs6000_libcall_value): Likewise.
20941 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20943 * config/xtensa/ieee754-df.S: New file.
20944 * config/xtensa/ieee754-sf.S: New file.
20945 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20946 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20947 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20949 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20951 * config/sh/predicates.md (binary_float_operator,
20952 binary_logical_operator, commutative_float_operator,
20953 equality_comparison_operator, greater_comparison_operator,
20954 less_comparison_operator, logical_operator,
20955 noncommutative_float_operator, shift_operator,
20956 symbol_ref_operand, unary_float_operator): Remove redundant
20959 2006-01-09 Jeff Law <law@redhat.com>
20961 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20962 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20963 now unused arguments. Callers updated.
20964 (eliminate_redundant_computations): Remove now unused arguments,
20966 (local_fold): Remove, no longer used.
20967 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20969 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20970 (simplify_cond): New function.
20971 (forward_propagate_into_cond): Call simplify_cond.
20973 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20975 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20976 (*vec_extractv2di_1_sse): New.
20978 2006-01-09 Ben Elliston <bje@au.ibm.com>
20980 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
20982 2006-01-08 Richard Guenther <rguenther@suse.de>
20984 * tree-ssa-structalias.c (get_constraint_for): Remove
20985 anyoffset argument.
20986 (get_constraint_for_component_ref): Likewise.
20987 (do_deref): Likewise.
20988 (get_constraint_for): Likewise.
20989 (do_structure_copy): Likewise.
20990 (handle_ptr_arith): Likewise.
20991 (find_func_aliases): Likewise. Remove unused need_anyoffset
20994 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20995 Kaz Kojima <kkojima@gcc.gnu.org>
20997 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20998 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20999 (EXTRA_CONSTRAINT_C16): Remove.
21000 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21001 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21002 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21003 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21004 constants of SHmedia. Handle nested constant expressions of
21006 (andcosts): Fix the costs for SHmedia constants.
21007 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21008 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21009 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21010 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21011 (movv4hi_i, movv2si_i): Likewise.
21012 (movsi_const): Adjust the second operand of ior so to match with
21013 the Csu constraint.
21014 (movdi_const, movdi_const_32bit): Likewise.
21015 (movdi_const_16bit+1): Don't sign-extend LOW.
21016 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21018 (*double_shori): Fix the split condition. Use GEN_INT instead
21019 of get_int_mode calls. Mask lower 16-bit of the argument of
21021 (sym2GOTPLT): Remove.
21022 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21024 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21025 instead of EXTRA_CONSTRAINT_C16.
21027 2006-01-07 Ian Lance Taylor <ian@airs.com>
21028 David Edelsohn <edelsohn@gnu.org>
21030 PR rtl-optimization/25662
21031 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21032 for constant operands instead of simplify_gen_binary.
21033 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21034 after trying simplify_binary_operation
21036 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21038 * tree.c (iterative_hash_expr): Hash decls based on UID.
21040 2006-01-06 Eric Christopher <echristo@apple.com>
21042 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21043 (TARGET_UNWIND_EMIT): Fix spelling.
21044 * target.h (gcc_target): Add except_table_label.
21045 * except.c (output_function_exception_table): Use.
21046 * varasm.c (default_emit_except_table_label): New.
21047 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21049 (asm_out): Add here.
21050 * output.h (default_emit_except_table_label): Prototype.
21051 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21052 * config/darwin.c (darwin_emit_except_table_label): Define.
21053 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21055 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21057 PR tree-optimization/18527
21058 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21059 number_of_iterations_special, number_of_iterations_exit):
21060 Move base and step of an iv to a single structure. Add
21061 no_overflow flag, and use it in # of iterations analysis.
21062 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21063 folded_casts argument.
21064 (simple_iv): Pass base and step in a structure. Set no_overflow
21066 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21067 Evaluate expensiveness of computing # of iterations instead of
21068 the final expression.
21069 * tree-scalar-evolution.h (affine_iv): New structure.
21070 (simple_iv): Declaration changed.
21071 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21072 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21073 find_givs_in_stmt): Changed due to simple_iv change.
21075 2006-01-06 Jeff Law <law@redhat.com>
21078 * tree-cfg.c (bsi_replace): Rename final argument from
21079 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21080 change (stmt -> orig_stmt).
21081 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21082 (bsi_remove): Add new argument. Remove EH information
21084 (verify_eh_throw_table_statements): New function.
21085 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21087 * tree-optimize.c (execute_free_cfg_annotations): Verify
21088 the EH throw statement table after removing annotations.
21089 * except.h (verify_eh_throw_table_statements): Prototype.
21090 * tree-flow.h (bsi_remove): Update prototype.
21091 * tree-vrp.c (remove_range_assertions): Add new argument to
21093 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21094 * tree-complex.c (expand_complex_div_wide): Likewise.
21095 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21096 * tree-tailcall.c (eliminate_tailcall): Likewise.
21097 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21098 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21099 * tree-nrv.c (tree_nrv): Likewise.
21100 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21101 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21102 (combine_blocks): Likewise.
21103 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21104 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21105 (cleanup_control_flow): Likewise.
21106 (remove_forwarder_block): Likewise.
21107 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21108 * tree-sra.c (sra_replace): Likewise.
21109 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21110 (forward_propagate_single_use_vars): Likewise.
21111 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21112 * tree-inline.c (expand_call_inline): Likewise.
21113 * tree-vect-transform.c (vect_transform_loop): Likewise.
21114 * tree-outof-ssa.c (rewrite_trees): Likewise.
21115 * tree-cfg.c (make_goto_expr_edges): Likewise.
21116 (cleanup_dead_labels): Likewise.
21117 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21118 (bsi_move_before, bsi_move_after): Likewise.
21119 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21120 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21122 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21125 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21127 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21128 on non gimple variables. Also add checks at the top for decls and
21130 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21132 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21133 and IMAGPART_EXPR for creating MUST_DEFs.
21134 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21135 and NAME_MEMORY_TAG separately from the DECLs.
21137 2006-01-06 Richard Guenther <rguenther@suse.de>
21139 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21140 annotation, if necessary.
21141 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21142 redundant calls to update_stmt.
21143 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21146 2006-01-05 Richard Henderson <rth@redhat.com>
21148 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21150 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21152 * c-typeck.c: Update copyright date.
21154 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21156 * c-typeck.c (build_c_cast): Always warn when casting
21157 from a pointer to an integer of different size, even if
21158 the node was constant.
21160 2006-01-05 Richard Guenther <rguenther@suse.de>
21162 PR tree-optimization/22555
21163 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21164 if one structure field is an array.
21165 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21166 operands even if we found a subvar, but ignore VOPs in this
21168 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21170 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21172 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21174 PR middle-end/24998
21175 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21177 2006-01-05 Richard Guenther <rguenther@suse.de>
21178 Diego Novillo <dnovillo@redhat.com>
21180 * tree-pass.h (TODO_remove_unused_locals): Define.
21181 * gimple-low.c (expand_var_p, remove_useless_vars,
21182 pass_remove_useless_vars): Remove. Update all users.
21183 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21184 (remove_unused_locals): New function.
21185 * tree-flow.h (remove_unused_locals): Declare.
21186 * passes.c (execute_todo): Call remove_unused_locals if
21187 TODO_remove_unused_locals is set.
21188 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21189 * tree-ssa-dce.c (pass_dce): Likewise.
21190 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21192 2006-01-05 Richard Guenther <rguenther@suse.de>
21194 * tree-flow.h (struct fieldoff): Decompose field to
21195 type, size and decl.
21196 * tree-ssa-alias.c (create_sft): Take type as parameter.
21197 (create_overlap_variables_for): Store type, size and decl
21198 in the fieldoff structure.
21199 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21200 of struct fieldoff.
21201 (push_fields_onto_fieldstack): Likewise.
21202 (create_variable_info_for): Likewise. Use offset for the
21203 SFT name if the decl is not available.
21205 2006-01-04 Paul Brook <paul@codesourcery.com>
21207 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21209 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21211 * lambda-code.c (can_put_in_inner_loop): Relax
21213 (can_put_after_inner_loop): New function.
21214 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21215 (perfect_nestify): Change to make copies and modify uses.
21217 2006-01-04 Richard Henderson <rth@redhat.com>
21219 Merge from gomp branch:
21220 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21221 via integer constant.
21222 (pragma_lex): Remove.
21223 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21224 rather than parsing it.
21225 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21226 handle_pragma_extern_prefix): Add %< %> quotes.
21227 (registered_pragmas): New.
21228 (c_register_pragma_1): New.
21229 (c_register_pragma): Use it.
21230 (c_register_pragma_with_expansion): Likewise.
21231 (c_invoke_pragma_handler): New.
21232 (init_pragma): Use cpp_register_deferred_pragma directly for
21234 * c-pragma.h (enum pragma_kind): New.
21235 (pragma_handler): New.
21236 (c_invoke_pragma_handler): Declare.
21237 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21239 * c-common.h (c_common_pch_pragma): Update decl.
21240 * Makefile.in (c-parser.o): Update dependencies.
21241 (GTFILES): Add c-pragma.h.
21242 * c-parser.c (struct c_token): Add pragma_kind.
21243 (struct c_parser): Add in_pragma.
21244 (c_lex_one_token): Always initialize keyword and pragma_kind.
21245 Extract data for CPP_PRAGMA.
21246 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21247 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21248 Don't allow CPP_PRAGMA_EOL if in_pragma.
21249 (c_parser_consume_pragma): New.
21250 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21251 (c_parser_skip_to_end_of_parameter): Likewise.
21252 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21253 (c_parser_skip_to_pragma_eol): New.
21254 (c_parser_external_declaration): Handle CPP_PRAGMA.
21255 (c_parser_compound_statement_nostart): Likewise.
21256 (c_parser_statement_after_labels): Likewise.
21257 (c_parser_pragma): New.
21258 (pragma_lex): Likewise.
21259 (c_parser_pragma_pch_preprocess): New.
21260 (c_parser_new): Merge into ...
21261 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21263 2006-01-04 Jeff Law <law@redhat.com>
21266 * tree-cfg.c (bsi_replace): Remove the original statement
21267 from the EH throw statement table.
21269 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21271 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21272 make the prototype extern "C" and add throw ().
21275 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21276 and pos non-negative and pos + len <= 32.
21277 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21278 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21279 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21282 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21283 as well as sizes not multiple of component size.
21286 * function.c (instantiate_expr): New function.
21287 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21288 walk its DECL_VALUE_EXPR with instantiate_expr.
21290 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21291 DW_OP_deref{,_size} if address isn't going to be added.
21293 2006-01-04 Ben Elliston <bje@au.ibm.com>
21295 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21296 * config/fp-bit.c: Likewise.
21298 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21300 * dominance.c: Add comment about why we use DFS numbering
21303 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21304 Richard Henderson <rth@redhat.com>
21306 Merge from gomp-branch:
21307 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21308 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21310 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21312 PR rtl-optimization/25578
21313 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21314 pass a parameter to simplify_shift_const if changing ASHIFTRT
21317 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21319 * builtins.c (get_builtin_sync_mem): New function.
21320 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21321 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21322 Call get_builtin_sync_mem to generate mem rtx.
21324 2006-01-03 Richard Guenther <rguenther@suse.de>
21327 * stmt.c (add_case_node): Make sure to clear overflow flags
21330 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21332 Merge from gomp-branch.
21333 * config/sparc/sync.md: New file.
21334 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21335 UNSPECV_LDSTUB): New constants.
21336 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21337 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21338 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21341 2006-01-03 Roger Sayle <roger@eyesopen.com>
21343 * combine.c (reg_subword_p): New predicate to test whether the
21344 destination of a set refers to a subword/piece of a register.
21345 (try_combine): Generalize the code to merge the setting of a
21346 pseudo to a constant followed by a set of a subword of that
21347 register to a constant.
21349 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21351 * basic-block.h (control_flow_graph): Change the type of
21352 x_label_to_block_map to VEC(basic_block,gc) *.
21353 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21354 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21356 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21357 VEC(basic_block,heap) *.
21358 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21359 ssa_prop_fini): Adjust the uses of cfg_blocks.
21361 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21363 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21365 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21366 hashing trees instead of a pointer hash.
21367 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21368 compare for MEM_EXPR.
21370 PR rtl-optimization/25130
21371 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21372 when comparing MEMs for GCSE
21374 2006-01-03 Ben Elliston <bje@au.ibm.com>
21376 * targhooks.h (default_decimal_float_supported_p): Declare.
21377 * targhooks.c (default_decimal_float_supported_p): Define.
21378 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21379 `default_decimal_float_supported_p'.
21380 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21382 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21384 * combine.c (apply_distributive_law <SUBREG>): Check
21385 TRULY_NOOP_TRUNCATION.
21387 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21389 * dwarf2out.c (have_switched_text_section): Delete.
21390 (have_multiple_function_sections): New.
21391 (have_location_lists): Make 'bool'.
21392 (add_AT_loc_list): Use 'true' not '1'.
21393 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21394 (output_loc_list): Use have_multiple_function_sections.
21395 (output_ranges): Likewise.
21396 (dwarf2out_begin_function): Set have_multiple_function_sections if
21398 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21399 Check function_section rather than DECL_SECTION_NAME.
21400 (dwarf2out_finish): Use have_multiple_function_sections.
21401 Don't clear have_location_lists.
21403 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21404 Jan Hubicka <jh@suse.cz>
21406 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21407 case of conditional jump jumping to the next instruction.
21408 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21409 cases of conditional jump jumping to the next instruction.
21411 2006-01-02 Jan Hubicka <jh@suse.cz>
21413 * i386.c (*_cost): Add COSTS_N_INSNS.
21414 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21416 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21419 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21421 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21423 * config/arm/arm.c (all_fpus): Fix comment typo.
21424 * config/darwin.c: Likewise.
21425 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21426 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21427 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21429 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21431 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21432 (rs6000_split_compare_and_swapqhi): New.
21433 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21434 (sync_compare_and_swapqhi_internal): New.
21435 * config/rs6000/rs6000-protos.h: Declare.