1 2006-12-06 Jan Hubicka <jh@suse.cz>
3 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
4 ALONE_MEM_STAT_DECL): New macros.
5 * bitmap.h: Include statistics.h
6 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
7 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
8 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
9 * bitmap.c: Include hashtab.h
10 (bitmap_descriptor): New.
11 (bitmap_hash): New static variable
12 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
14 (bitmap_register): New.
15 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
16 bitmap_obstack_release): Do accounting.
17 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
19 (bitmap_gc_alloc_stat): Likewise.
20 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
21 (print_statistics, dump_bitmap_statistics): New functions.
22 * toplev.c (finalize): Dump bitmap statistics.
24 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
26 * reload1.c (delete_output_reload): Count occurrences in
27 CALL_INSN_FUNCTION_USAGE.
28 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
29 crashing at the end of the list.
31 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
33 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
34 Optimize to avoid marking more SMT's as used when they aren't.
36 2006-12-05 Eric Christopher <echristo@apple.com>
38 * config/i386/i386.c (x86_output_aligned_bss): Move out
39 of COMMON_ASM_OP ifdef.
41 2006-12-05 Eric Christopher <echristo@apple.com>
43 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
44 (STARTFILE_SPEC): Use.
45 (DARWIN_DYLIB1_SPEC): New.
46 (DARWIN_CRT1_SPEC): New.
47 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
49 * config/i386/darwin.h: Ditto.
50 * config/rs6000/darwin.h: Ditto.
52 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
54 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
55 * tree-complex.c (pass_lower_complex): Ditto.
56 * tree-ssa-ccp.c (pass_ccp): Ditto.
57 (pass_store_ccp): Ditto.
58 * tree-ssa-dom.c (pass_dominator): Ditto.
59 (pass_phi_only_cprop): Ditto.
60 * tree-sra.c (pass_sra): Ditto.
61 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
62 * tree-flow.h (updating_used_alone): Remove.
63 (updating_used_alone): Ditto.
64 * tree-ssa-alias.c (updating_used_alone): Remove variable.
65 (lhs_may_store_to): Remove function.
66 (recalculate_used_alone): Ditto.
67 (compute_may_aliases): Remove used_alone calculation.
68 * tree.h (struct tree_memory_tag): Remove is_used_alone and
69 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
70 * tree-pass.h (PROP_smt_usage): Remove.
71 * passes.c (execute_todo): Remove used alone recalculation.
72 (execute_one_pass): Ditto.
73 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
76 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
78 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
80 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
82 PR tree-optimization/14784
83 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
85 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
87 Merge from gimple-tuples-branch.
89 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
91 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
93 (s390_gimplify_va_arg): Same.
94 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
95 * config/sh/sh.c (sh_va_start): Same.
96 (sh_gimplify_va_arg_expr): Same.
97 * config/xtensa/xtensa.c (xtensa_va_start): Same.
98 (xtensa_gimplify_va_arg_expr): Same.
99 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
100 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
101 * config/mips/mips.c (mips_va_start): Same.
102 (mips_gimplify_va_arg_expr): Same.
104 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
106 * Merge from mainline at revision 119445.
108 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
110 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
112 (spu_gimplify_va_arg_expr): Same.
114 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
116 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
117 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
118 (xstormy16_expand_builtin_va_arg): Same.
120 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
122 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
123 to GIMPLE_MODIFY_STMT.
125 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
127 * config/alpha/alpha.c (va_list_skip_additions): Change all
128 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
129 (alpha_va_start): Same.
130 (alpha_gimplify_va_arg_1): Same.
131 (alpha_gimplify_va_arg): Same.
133 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
135 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
137 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
139 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
140 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
142 * tree-complex.c: Same.
143 * tree-pretty-print.c: Same.
147 * fold-const.c: Same.
148 * tree-ssa-dom.c: Same.
149 * tree-ssa-propagate.c: Same.
150 * tree-ssa-alias.c: Same.
151 * gimple-low.c: Same.
153 * c-pretty-print.c: Same.
155 * tree-inline.c: Same.
156 * tree-outof-ssa.c: Same.
157 * tree-ssa-structalias.c: Same.
158 * tree-ssa-reassoc.c: Same.
161 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
163 * tree.c (build2_stat): Fix comment.
165 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
167 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
168 TREE_OPERAND when appropriate.
170 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
172 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
173 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
174 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
175 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
176 not handle GIMPLE_MODIFY_STMT in the switch statement.
177 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
178 (java_gimplify_new_array_init): Same.
180 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
182 * gimplify.c (gimplify_omp_for): Allow gimple statements.
183 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
184 * fold-const.c (fold_binary): Allow gimple statements.
186 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
187 Rename from gfc_conv_descriptor_data_set.
188 Call gfc_add_modify instead of gfc_add_modify_expr.
189 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
190 Rename from gfc_conv_descriptor_data_set.
191 (gfc_conv_descriptor_data_set): New macro.
192 (gfc_conv_descriptor_data_set_tuples): New macros.
193 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
194 gfc_conv_descriptor_data_set_tuples.
195 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
196 Generate GIMPLE_MODIFY_STMT when appropriate.
197 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
198 (gfc_add_modify_expr): New macro.
199 (gfc_add_modify_stmt): New macro.
200 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
202 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
204 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
205 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
208 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
210 * Merge from mainline at revision 118200.
212 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
214 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
217 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
219 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
221 Also, add __extension__ to GCC versions.
222 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
223 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
226 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
228 * tree-complex.c (expand_complex_libcall): Adjust for
230 (expand_complex_comparison): Same.
231 * tree-pretty-print.c (dump_generic_node): Is_expr should include
232 GIMPLE_STMT_P statements.
233 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
235 (tree_mod_pow2_value_transform): Same.
236 (tree_mod_subtract_transform): Same.
237 * tree.c (build2_stat): Check for gimplified function in cfun.
238 * tree.h (DECL_GIMPLIFIED): Delete.
239 (struct tree_function_decl): Remove gimplified_flag.
240 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
241 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
242 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
243 (cxx_omp_clause_copy_ctor): Same.
244 (cxx_omp_clause_assign_op): Same.
245 * c-pretty-print.c (pp_c_conditional_expression): Same.
246 (pp_c_expression): Same.
247 * langhooks.c (lhd_omp_predetermined_sharing): Same.
248 * function.h (struct function): Add gimplified field.
249 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
251 (find_phi_replacement_condition): Same.
252 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
253 (gimplify_modify_expr_to_memset): Same.
254 (gimplify_init_ctor_eval_range): Same.
255 (gimplify_modify_expr_complex_part): Same.
256 (tree_to_gimple_tuple): Same.
257 (gimplify_modify_expr): Same.
258 (gimple_push_cleanup): Same.
259 (gimplify_omp_for): Same.
260 (gimplify_omp_atomic_pipeline): Same.
261 (gimplify_omp_atomic_mutex): Same.
262 (gimplify_expr): Same.
263 (gimplify_one_sizepos): Same.
264 (gimplify_function_tree): Same.
265 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
266 (vect_recog_widen_sum_pattern): Same.
267 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
268 (vect_create_epilog_for_reduction): Same.
269 (vectorizable_reduction): Same.
271 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
273 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
274 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
275 (ifc_temp_var): Same.
276 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
277 for gimple statements.
278 (vect_analyze_operations): Same.
279 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
280 * gimplify.c (gimplify_return_expr): Handle gimple statements.
281 * lambda-code.c (can_put_in_inner_loop): Same.
282 (can_put_after_inner_loop): Same.
283 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
284 (vect_create_data_ref_ptr): Same.
285 (vect_init_vector): Same.
286 (vect_get_vec_def_for_operand): Same.
287 (vect_create_epilog_for_reduction): Same.
288 (vectorizable_reduction): Same.
289 (vectorizable_assignment): Same.
290 (vectorizable_operation): Same.
291 (vectorizable_load): Same.
292 (vectorizable_condition): Same.
293 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
294 (rs6000_gimplify_va_arg): Same.
296 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
298 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
300 (simplify_abs_using_ranges): Same.
301 * tree-complex.c (expand_complex_operations_1): Use
302 PROTECTED_TREE_OPERAND.
303 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
305 (get_val_for): Use GIMPLE_STMT_OPERAND.
306 * tree-tailcall.c (adjust_accumulator_values): Same.
307 (adjust_return_value): Same.
308 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
309 case. Remove special case for tcc_gimple_stmt.
310 * tree.h (CAN_HAVE_LOCATION_P): New.
311 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
313 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
314 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
315 * tree-nrv.c (execute_return_slot_opt): Same.
316 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
317 * tree-vn.c (set_value_handle): Same.
318 (get_value_handle): Same.
319 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
320 * tree-vectorizer.c (find_loop_location): Same.
321 * c-typeck.c (c_process_expr_stmt): Same.
322 (c_finish_stmt_expr): Same.
323 * gimplify.c (should_carry_locus_p): Same.
324 (tree_to_gimple_tuple): Delete definition and use of unecessary
325 variable save_tree_block.
326 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
327 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
328 (realify_fake_stores): Same.
329 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
331 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
332 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
333 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
334 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
335 (c_parser_statement_after_labels): Same.
336 (c_parser_paren_condition): Same.
337 (c_parser_for_statement): Same.
338 (c_parser_omp_for_loop): Same.
339 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
340 (linearize_expr_tree): Same.
341 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
342 * function.c (instantiate_expr): Same.
344 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
346 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
347 (set_expr_location): Same.
349 (set_expr_locus): Same.
350 (expr_filename): Same.
352 (tree_block): Use GIMPLE_STMT_BLOCK.
353 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
354 * tree.h (struct gimple_stmt): Remove prev and next.
355 (GIMPLE_STMT_OPERAND_CHECK): New.
356 (TREE_TO_GIMPLE_STMT): Delete.
357 (GIMPLE_STMT_TO_TREE): Delete.
358 (GIMPLE_STMT_OPERAND): Use union, not cast.
359 (GIMPLE_STMT_LOCUS): New.
360 (GIMPLE_STMT_BLOCK): New.
361 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
363 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
365 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
367 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
369 * tree-tailcall.c (adjust_return_value): Same.
370 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
371 (copy_node_stat): Change common.base to base.
372 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
373 Remove GIMPLE_STATEMENT_LIST case.
374 * tree.h (struct gimple_stmt): Make operands of type tree.
375 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
376 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
377 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
378 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
379 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
380 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
381 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
382 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
383 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
384 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
385 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
386 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
387 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
388 Change common.base to base.
389 (GIMPLE_STATEMENT_LIST*): Remove.
390 (union tree_node): Add base. Remove gimple_statement_list.
391 Remove pointer from gstmt.
392 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
393 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
394 * tree-vn.c (vn_compute): Change common.base to base.
395 * tree-eh.c (verify_eh_throw_stmt_node): Same.
396 * tree-flow-inline.h (var_ann): Same.
397 (function_ann): Same.
399 (mark_non_addressable): Same.
400 * gimplify.c (tree_to_gimple_tuple): Same.
401 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
402 * tree-dfa.c (create_var_ann): Change common.base to base.
403 (create_function_ann): Same.
404 (create_stmt_ann): Same.
405 (create_tree_ann): Same.
406 (collect_dfa_stats_r): Same.
407 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
408 * tree-ssa-dce.c (NECESSARY): Same.
409 * tree-ssa.c (delete_tree_ssa): Same.
410 * tree-optimize.c (execute_free_cfg_annotations): Same.
413 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
415 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
416 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
418 * tree.h (struct gimple_stmt): Add prev and next fields.
419 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
420 (GIMPLE_STATEMENT_LIST_HEAD): New.
421 (GIMPLE_STATEMENT_LIST_TAIL): New.
422 (struct gimple_statement_list): New.
423 (union tree_node): Add gimple_stmt_list and gstmt.
424 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
425 * tree.def: Add GIMPLE_STATEMENT_LIST.
427 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
429 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
430 * tree-vrp.c (build_assert_expr_for): Change uses of
431 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
432 (find_assert_locations): Same.
433 (remove_range_assertions): Same.
434 (stmt_interesting_for_vrp): Same.
435 (vrp_visit_assignment): Same.
436 (vrp_visit_stmt): Same.
437 (simplify_cond_using_ranges): Same.
438 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
440 * tree-ssa-loop-im.c (movement_possibility): Change uses of
441 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
443 (determine_invariantness_stmt): Same.
445 (gather_mem_refs_stmt): Same.
446 * tree-complex.c (init_dont_simulate_again): Same.
447 (complex_visit_stmt): Same.
448 (set_component_ssa_name): Same.
449 (expand_complex_move): Same.
450 (expand_complex_div_wide): Same.
451 (expand_complex_comparison): Same.
452 (expand_complex_operations_1): Same.
453 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
454 (chain_of_csts_start): Same.
455 (infer_loop_bounds_from_undefined): Same.
456 * tree-pretty-print.c (dump_generic_node): Same.
459 * tree-ssa-loop-manip.c (create_iv): Same.
460 * value-prof.c (tree_divmod_fixed_value): Same.
461 (tree_divmod_fixed_value_transform): Same.
462 (tree_mod_pow2): Same.
463 (tree_mod_pow2_value_transform): Same.
464 (tree_mod_subtract): Same.
465 (tree_mod_subtract_transform): Same.
466 (tree_divmod_values_to_profile): Same.
467 * tree-tailcall.c (process_assignment): Same.
468 (find_tail_calls): Same.
469 (adjust_accumulator_values): Same.
470 (adjust_return_value): Same.
471 (eliminate_tail_call): Same.
472 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
473 (make_node_stat): Same.
474 (copy_node_stat): Handle gimple tuples.
475 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
476 (tree_node_structure): Handle tcc_gimple_stmt.
477 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
479 (build2_gimple_stat): New.
480 (expr_location): New.
481 (set_expr_location): New.
482 (expr_has_location): New.
484 (set_expr_locus): New.
485 (expr_filename): New.
487 (walk_tree): Handle tcc_gimple_stmt.
489 (protected_tree_operand): New.
490 (protected_tree_type): New.
491 (tree_code_kind): Add gimple statements.
492 * tree.h (tree_code_class): Add tcc_gimple_stmt.
493 (IS_GIMPLE_STMT_CODE_CLASS): New.
494 (struct tree_base): New.
495 (struct tree_common): Shrink.
496 (struct gimple_stmt): New.
497 (struct gimple_expr): New.
498 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
499 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
500 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
501 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
502 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
503 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
504 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
505 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
506 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
507 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
508 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
509 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
510 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
511 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
512 Adjust for new `common' layout.
513 (struct tree_function_decl): Add gimplified_flag.
514 (DECL_GIMPLIFIED): NEW.
515 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
516 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
517 EXPR_HAS_LOCATION): Call corresponding function.
518 (GIMPLE_STMT_CHECK): New.
519 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
520 (TREE_BLOCK): Call tree_block.
521 (GIMPLE_STMT_P): New.
522 (GIMPLE_TUPLE_P): New.
523 (TREE_TO_GIMPLE_STMT): New.
524 (GIMPLE_STMT_TO_TREE): New.
525 (GIMPLE_STMT_OPERAND): New.
526 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
527 (PROTECTED_TREE_OPERAND): New.
528 (PROTECTED_TREE_TYPE): New.
529 (build2_gimple_stat): Protoize.
530 (build2_gimple): New.
531 (expr_location): Protoize.
532 (set_expr_location): Protoize.
533 (expr_has_location): Protoize.
534 (expr_locus): Protoize.
535 (set_expr_locus): Protoize.
536 (expr_filename): Protoize.
537 (expr_lineno): Protoize.
538 (tree_block): Protoize.
539 (protected_tree_operand): Protoize.
540 (protected_tree_type): Protoize.
541 (enum tree_node_kind): Add gimple_stmt_kind.
542 * c-decl.c (union lang_tree_node): Tuples do not have a
544 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
545 GIMPLE_MODIFY_STMT and adjust accordingly.
546 * tree-scalar-evolution.c (follow_ssa_edge): Same.
547 (interpret_condition_phi): Same.
548 (pointer_used_p): Same.
549 (analyze_scalar_evolution_1): Same.
550 (scev_const_prop): Same.
551 (interpret_rhs_modify_stmt): Rename from
552 interpret_rhs_modify_expr.
553 * builtins.c (std_expand_builtin_va_start): Change uses of
554 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
555 (std_gimplify_va_arg_expr): Same.
556 (expand_builtin_va_copy): Same.
557 (integer_valued_real_p): Same.
558 * fold-const.c (maybe_lvalue_p): Same.
560 (tree_expr_nonnegative_p): Same.
561 (tree_expr_nonzero_p): Same.
562 * omp-low.c (extract_omp_for_data): Same.
563 (lower_rec_input_clauses): Same.
564 (lower_reduction_clauses): Same.
565 (lower_copyprivate_clauses): Same.
566 (lower_send_clauses): Same.
567 (lower_send_shared_vars): Same.
568 (expand_parallel_call): Same.
569 (expand_omp_parallel): Same.
570 (expand_omp_for_generic): Same.
571 (expand_omp_for_static_nochunk): Same.
572 (expand_omp_for_static_chunk): Same.
573 (expand_omp_sections): Same.
574 (lower_omp_single_copy): Same.
575 (lower_omp_parallel): Same.
576 * tree-ssa-dse.c (memory_address_same): Same.
577 (dse_optimize_stmt): Same.
578 * ipa-reference.c (scan_for_static_refs): Same.
579 * tree-gimple.c (is_gimple_reg_rhs): Same.
580 (get_call_expr_in): Same.
581 (recalculate_side_effects): Same.
582 * cgraphunit.c (cgraph_create_edges): Same.
583 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
584 * tree-ssa-ccp.c (get_default_value): Same.
585 (likely_value): Same.
586 (visit_assignment): Same.
587 (ccp_visit_stmt): Same.
588 (get_maxval_strlen): Same.
589 (ccp_fold_builtin): Same.
590 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
591 (find_givs_in_stmt): Same.
592 (find_interesting_uses_op): Same.
593 (find_interesting_uses_stmt): Same.
594 (rewrite_use_nonlinear_expr): Same.
595 * ipa-pure-const.c (scan_function): Same.
596 * tree-stdarg.c (va_list_counter_bump): Same.
597 (check_all_va_list_escapes): Same.
598 (execute_optimize_stdarg): Same.
599 * tree-ssa-math-opts.c (compute_merit): Same.
600 (insert_reciprocals): Same.
601 (execute_cse_reciprocals): Same.
602 * tree-ssa-dom.c (initialize_hash_element): Same.
603 (simple_iv_increment_p): Same.
604 (record_equivalences_from_stmt): Same.
605 (optimize_stmt): Same.
606 (remove_stmt_or_phi): Same.
607 (get_rhs_or_phi_arg): Same.
608 (get_lhs_or_phi_result): Same.
609 (propagate_rhs_into_lhs): Same.
610 * tree-nrv.c (tree_nrv): Same.
611 (execute_return_slot_opt): Same.
612 * tree-ssa-propagate.c (get_rhs): Same.
614 (stmt_makes_single_load): Same.
615 (stmt_makes_single_store): Same.
616 (replace_vuses_in): Same.
617 (fold_predicate_in): Same.
618 (substitute_and_fold): Same.
619 * tree-ssa-alias.c (compute_call_clobbered): Same.
620 (recalculate_used_alone): Same.
621 (count_uses_and_derefs): Same.
622 (is_escape_site): Same.
623 (find_used_portions): Same.
624 * gimple-low.c (lower_stmt): Same.
625 (block_may_fallthru): Same.
626 (lower_return_expr): Same.
627 * tree-ssa-sink.c (is_hidden_global_store): Same.
628 (statement_sink_location): Same.
629 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
630 * expr.c (safe_from_p): Same.
631 (expand_expr_real): Same.
632 (expand_expr_real_1): Same.
633 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
634 * predict.c (expr_expected_value): Same.
635 (strip_builtin_expect): Same.
636 (apply_return_prediction): Same.
637 (tree_bb_level_predictions): Same.
638 (tree_estimate_probability): Same.
639 * tree-vn.c (vn_compute): Same.
640 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
641 (remove_stmt_from_eh_region_fn): Same.
642 (do_return_redirection): Same.
643 (honor_protect_cleanup_actions): Same.
644 (lower_try_finally_switch): Same.
645 (lower_eh_constructs_1): Same.
646 (tree_could_throw_p): Same.
647 (verify_eh_throw_stmt_node): Same.
648 * function.c (gimplify_parameters): Same.
649 * tree-vectorizer.c (vect_is_simple_use): Same.
650 (vect_is_simple_reduction): Same.
651 * ipa-type-escape.c (scan_for_refs): Same.
652 * tree-if-conv.c (tree_if_conversion): Same.
653 (tree_if_convert_stmt): Same.
654 (if_convertible_gimplify_modify_stmt_p): Rename from
655 if_convertible_modify_expr_p.
656 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
657 (ifc_temp_var): Same.
658 (replace_phi_with_cond_modify_stmt): Rename from
659 replace_phi_with_cond_modify_expr.
660 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
661 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
662 * tree-data-ref.c (find_data_references_in_loop): Adjust for
664 * tree-flow-inline.h (var_ann): Same.
665 (function_ann): Same.
667 (mark_non_addressable): Same.
668 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
669 * gimplify.c (tree_to_gimple_tuple): New.
670 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
671 (gimplify_return_expr): Same.
672 (gimplify_decl_expr): Same.
673 (gimplify_self_mod_expr): Same.
674 (gimplify_cond_expr): Same.
675 (gimplify_init_constructor): Same.
676 (gimplify_modify_expr): Same.
677 (gimplify_expr): Same.
678 (gimplify_function_tree): Same.
679 (force_gimple_operand): Same.
680 * tree-ssa-phiopt.c (conditional_replacement): Same.
681 (minmax_replacement): Same.
682 (abs_replacement): Same.
683 * tree-dfa.c (create_var_ann): Same.
684 (create_function_ann): Same.
685 (create_stmt_ann): Same.
686 (create_tree_ann): Same.
687 (collect_dfa_stats_r): Same.
688 * tree-ssa-pre.c (find_or_generate_expression): Same.
689 (create_expression_by_pieces): Same.
690 (try_look_through_load): Same.
691 (insert_fake_stores): Same.
692 (realify_fake_stores): Same.
693 (compute_avail): Same.
696 (poolify_modify_stmt): Rename from poolify_modify_stmt.
697 Adjust for GIMPLE_MODIFY_STMT.
698 (NECESSARY): Adjust for new `common' layout.
699 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
701 * tree-sra.c (sra_walk_modify_stmt): Rename from
702 sra_walk_modify_expr.
703 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
704 (generate_copy_inout): Same.
705 (generate_element_copy): Same.
706 (generate_element_zero): Same.
707 (scalarize_copy): Same.
708 * tree-mudflap.c (mf_decl_cache_locals): Same.
709 (mf_build_check_statement_for): Same.
710 (mf_xform_derefs): Same.
711 * ipa-prop.c (ipa_method_modify_stmt): Same.
712 * print-tree.c (print_node): Handle gimple tuples.
713 Add case for tcc_gimple_stmt.
714 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
716 (copy_prop_visit_assignment): Same.
717 (copy_prop_visit_stmt): Same.
718 (init_copy_prop): Same.
719 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
720 (forward_propagate_into_cond_1): Same.
721 (find_equivalent_equality_comparison): Same.
722 (tidy_after_forward_propagate_addr): Same.
723 (forward_propagate_addr_expr_1): Same.
724 (simplify_not_neg_expr): Same.
725 (simplify_switch_expr): Same.
726 * tree-ssa-dce.c (find_pdom): Same.
727 (mark_stmt_if_obviously_necessary): Same.
728 (NECESSARY): Adjust for new `common' layout.
730 * tree-vect-patterns.c (widened_name_p): Adjust for
732 (vect_recog_dot_prod_pattern): Same.
733 (vect_recog_widen_sum_pattern): Same.
734 (vect_pattern_recog_1): Same.
735 * tree-nested.c (init_tmp_var): Same.
736 (save_tmp_var): Same.
738 (convert_call_expr): Same.
739 (finalize_nesting_tree_1): Same.
740 * tree-ssa.c (verify_ssa): Same.
741 (delete_tree_ssa): Same.
742 * lambda-code.c (lbv_to_gcc_expression): Same.
743 (lle_to_gcc_expression): Same.
744 (lambda_loopnest_to_gcc_loopnest): Same.
745 (can_put_in_inner_loop): Same.
746 (can_convert_to_perfect_nest): Same.
747 (perfect_nestify): Same.
748 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
749 * tree-inline.c (copy_body_r): Same.
750 (setup_one_parameter): Same.
751 (initialize_inlined_parameters): Same.
752 (estimate_num_insns_1): Same.
753 (expand_call_inline): Same.
754 (gimple_expand_calls_inline): Same.
756 * tree-optimize.c (execute_free_cfg_annotations): Same.
757 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
758 (vect_align_data_ref): Same.
759 (vect_create_data_ref_ptr): Same.
760 (vect_init_vector): Same.
761 (vect_create_epilog_for_reduction): Same.
762 (vectorizable_reduction): Same.
763 (vectorizable_assignment): Same.
764 (vectorizable_operation): Same.
765 (vectorizable_store): Same.
766 (vectorizable_load): Same.
767 (vectorizable_live_operation): Same.
768 (vectorizable_condition): Same.
769 (vect_generate_tmps_on_preheader): Same.
770 (vect_create_cond_for_align_checks): Same.
771 * tree-object-size.c (collect_object_sizes_for): Same.
772 (check_for_plus_in_loops_1): Same.
773 (check_for_plus_in_loops): Same.
774 * tree-outof-ssa.c (insert_copy_on_edge): Same.
775 (replace_use_variable): Same.
776 (check_replaceable): Same.
777 (rewrite_trees): Same.
778 (identical_copies_p): Same.
779 (insert_backedge_copies): Same.
780 * tree-profile.c (tree_gen_edge_profiler): Same.
781 * tree-vect-generic.c (expand_vector_operations_1): Same.
782 * tree-ssa-structalias.c (update_alias_info): Same.
783 (find_func_aliases): Same.
784 * tree-cfg.c (factor_computed_gotos): Same.
786 (make_goto_expr_edges): Same.
787 (tree_merge_blocks): Same.
788 (remove_useless_stmts_cond): Same.
789 (remove_useless_stmts_1): Same.
790 (tree_find_edge_insert_loc): Same.
792 (gimplify_val): Same.
793 (verify_gimple_tuples_1): New.
794 (verify_gimple_tuples): New.
795 (verify_stmts): Call verify_gimple_tuples.
796 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
797 (get_unary_op): Same.
798 (linearize_expr): Same.
799 (get_single_immediate_use): Same.
800 (negate_value): Same.
801 (should_break_up_subtract): Same.
802 (break_up_subtract): Same.
803 (repropagate_negates): Same.
804 (break_up_subtract_bb): Same.
805 (reassociate_bb): Same.
806 * config/i386/i386.c (ix86_va_start): Same.
807 (ix86_gimplify_va_arg): Same.
808 * stmt.c (expand_expr_stmt): Same.
809 (warn_if_unused_value): Same.
810 (expand_return): Same.
811 * tree-ssanames.c (make_ssa_name): Same.
812 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
813 * tree-ssa-operands.c (finalize_ssa_defs): Same.
814 (add_virtual_operand): Same.
815 (get_expr_operands): Same.
816 (parse_ssa_operands): Same.
817 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
819 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
821 * config.host: Remove extra blank line.
823 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
825 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
826 target is also an x86 variant.
828 2006-12-05 Richard Guenther <rguenther@suse.de>
830 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
831 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
832 (ix86_builtin_vectorized_function): New function to vectorize
835 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
837 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
838 ia64_override_options.
840 2006-12-04 Jan Hubicka <jh@suse.cz>
842 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
845 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
847 * rtlanal.c (note_uses): Deal with SEQUENCEs.
848 * config/bfin/bfin.c: Include "timevar.h".
849 (bfin_flag_schedule_insns2, splitting_for_sched,
850 bfin_flag_var_tracking): New variables.
851 (print_operand): Handle '%!'.
852 (override_options): Disable normal sched2 pass, instead set
853 bfin_flag_schedule_insns2 for reorg to handle it.
854 (output_file_start): Likewise for var-tracking.
855 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
856 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
858 (bfin_reorg): Do second scheduling pass here, and call
859 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
860 of examining insns directly. If bfin_flag_var_tracking, call
861 var-tracking pass when done with everything else.
862 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
863 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
864 (movsi_insn32): New pattern, with two new splits to create it
865 before the final scheduling pass.
866 (neghi2): Not a dsp32 insn, rather alu0.
867 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
868 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
869 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
870 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
871 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
872 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
873 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
874 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
875 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
876 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
877 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
878 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
879 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
880 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
881 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
882 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
883 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
884 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
885 variants instead of ';'.
886 (ror_one, rol_one): Likewise. Make them dsp32 insns.
887 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
888 (align8, align16, align24): Now named patterns; also using '%!'.
891 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
893 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
894 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
896 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
898 * config/spu/spu-protos.c (spu_split_address): Add.
899 * config/spu/spu.c (spu_split_address): Add.
900 (print_operand): Handle HIGH.
901 (spu_legitimate_address): Don't test for aligned CONST.
902 (spu_expand_mov): Don't split addresses here.
903 * config/spu/constraints.md (A): Don't test legitimate_const.
904 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
905 (ceq_di): Use correct predicates.
907 2006-12-04 Eric Christopher <echristo@apple.com>
909 * config/darwin.h: Update copyright notice.
910 * config/i386/darwin.h: Ditto.
912 2006-12-04 Jan Hubicka <jh@suse.cz>
914 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
915 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
917 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
919 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
921 * tree-ssa-structalias.c (set_used_smts): Export.
922 (find_what_p_points_to): Don't call set_used_smts here.
923 * tree-ssa-structalias.h (set_used_smts): Add prototype.
925 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
927 * tree-ssa-alias.c (compute_may_aliases):
928 Compute flow sensitive before flow insensitive.
929 (compute_flow_sensitive_aliasing): Don't try to add
930 a symbol memory tag to itself.
932 * alias.h (alias_set_subset_of): New prototype.
934 * alias.c (alias_set_subset_of): New function.
936 * tree-ssa-structalias.c: Update comments.
937 (struct variable_info): Add finished_solution.
938 (new_varinfo): Set finished solution to NULL.
939 (var_escaped_vars): Remove.
940 (escaped_vars_tree): Remove.
941 (escaped_vars_id): Remove.
942 (nonlocal_vars_id): Remove.
943 (constraint_expr_type): Add INCLUDES.
944 (graph_size): Removed.
945 (dump_constraint): Support INCLUDES.
946 (build_constraint_graph): Ditto.
947 (collapse_nodes): Add merge_solutions argument.
948 Don't merge attributes.
949 (process_unification_queue): Just use collapse_nodes.
950 (perform_var_substitution): Update call to collapse_nodes.
951 (get_constraint_exp_from_ssa_var): Use INCLUDES.
952 (process_constraint): Fix non-field sensitive handling
954 (get_constraint_for): Use INCLUDES.
955 (make_constraint_from_anything): Renamed from
956 make_constraint_from_escaped.
957 (make_constraint_to_escaped): Removed.
958 (find_global_initializers): Removed.
959 (create_variable_info_for): Do not make constraints to escaped
961 (dump_solution_for_var): Don't print out the equivalent points-to
962 sets, just use the name of the variable it shares it with.
963 (intra_create_variable_infos): Use INCLUDES.
964 Change nonlocal variable sets to anything sets.
965 (init_base_vars): Remove escaped_vars and nonlocal_var
967 (find_escape_constraints): Removed.
968 (delete_points_to_sets): Remove dead code.
969 (used_smt_calculated): New variable.
970 (set_used_smts): New function.
971 (merge_smts_into): New function.
972 (find_what_p_points_to): Modify to use SMTs.
973 (create_nonlocal_var): Remove.
975 * tree-ssa-operands.c (access_can_touch_variable): Remove
976 reference to nonlocal_all.
978 * tree-ssa.c (verify_name_tags): Remove.
980 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
982 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
983 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
985 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
987 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
988 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
989 (add_livein_if_notdef): Delete.
990 (loe_visit_block): New. Propogate live on entry info for a block into
991 each predecessor. If it changes, make sure it is visited again.
992 (live_worklist): Visit every block and update the live on entry info
993 for preds. Iterate over any that changed.
994 (set_var_live_on_entry): Populate the live on entry blocks with bits
995 based on the immediate uses of a var.
996 (calculate_live_on_entry): Remove.
997 (calculate_live_on_exit): Calculate live on exit based on the newly
998 oriented live on entry bits.
999 (calculate_live_ranges): Build live on entry and exit vectors.
1000 (dump_live_info): Use new orientation of live on entry bitmaps.
1001 (verify_live_on_entry): New. Split out verification code from old
1002 calculate_live_on_entry routine.
1003 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1004 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1005 basic_block instead of for a partition.
1006 (live_merge_and_clear): Add asserts.
1007 (make_live_on_entry): Set partition bit in basic block vector.
1009 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1012 * omp-low.c (expand_omp_for_static_nochunk,
1013 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1017 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1018 parallels if region->exit or region->inner->exit is NULL.
1019 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1021 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1022 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1023 or region->exit is NULL.
1024 (expand_omp_sections): Handle NULL region->cond or region->exit.
1027 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1029 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1030 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1032 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1034 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1035 TYPE_MAX_VALUE for scalar types here but...
1036 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1037 is attached an error mark, and the return value of the callback
1038 if it is not NULL_TREE.
1040 2006-12-04 Ben Elliston <bje@au.ibm.com>
1042 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1044 2006-12-03 Eric Christopher <echristo@apple.com>
1047 * config/t-slibgcc-darwin: Pass -install_name.
1048 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1049 libtool. Only pass through options that the linker recognizes.
1050 (LINK_SPEC): Update comment. Translate options.
1051 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1052 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1054 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1056 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1058 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1061 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1062 operands[1] in insn constraint. Correct type attribute to sselog1.
1064 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1067 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1069 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1070 processor detection.
1072 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1073 -march=native if there is no -mtune=*.
1075 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1078 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1080 * doc/install.texi: Update recommended MPFR version. Remove
1081 obsolete reference to cumulative patch.
1083 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1086 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1088 2006-11-30 Jan Hubicka <jh@suse.cz>
1089 Uros Bizjak <ubizjak@gmail.com>
1091 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1092 32bit memcpy/memset decriptors.
1093 (decide_alg): With -minline-all-stringops and sizes that are best
1094 to be copied via libcall still work hard enough to pick non-libcall
1097 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1099 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1101 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1102 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1103 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1104 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1105 config/spu/spu-c.c, config/spu/spu-modes.def,
1106 config/spu/spu.c, config/spu/spu.md,
1107 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1108 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1109 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1110 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1111 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1112 spelling conventions.
1114 * config/i386/i386.c: Fix a comment typo.
1116 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1118 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1119 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1120 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1121 better optimization.
1122 (floatv4siv4sf2): New.
1123 (fix_truncv4sfv4si2): New.
1124 (floatunsv4siv4sf2): New.
1125 (fixuns_truncv4sfv4si2): New.
1133 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1134 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1135 spu_resolve_overloaded_builtin instead of static inline functions.
1137 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1139 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1140 type instead of the size of its mode to compute the highest and
1141 lowest possible values. Still check the size of the mode before
1142 flipping the signedness of the comparison.
1144 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1146 * config/spu/predicates.md (spu_mov_operand): Add.
1147 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1148 (print_operand_address, print_operand): Handle addresses containing AND.
1149 (spu_split_load, spu_split_store): Use updated movti pattern.
1150 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1151 stores in mov patterns for correct operation of reload.
1152 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1154 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1157 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1159 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1161 * common.opt (ftree-combine-temps): Remove.
1162 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1163 (coalesce_ssa_name): Don't check for combine-temps.
1164 (coalesce_vars): Remove.
1165 (check_replaceable): Use num_imm_uses.
1166 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1167 check for combine-temps.
1168 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1169 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1170 to register_ssa_partition calls.
1171 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1172 (init_var_map, delete_var_map): remove refernces to ref_count.
1173 (create_ssa_var_map): Never calculate a ref count.
1174 (type_var_init): Remove.
1175 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1176 (SSA_VAR_MAP_REF_COUNT): Delete.
1177 (create_ssa_var_map): Change Prototype to have no parameters.
1178 (version_ref_count): Delete.
1179 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1181 (type_var_num, type_var, type_var_first_partition,
1182 type_var_next_partition, type_var_dump, type_var_delete,
1183 type_var_remove_partition, type_var_find, type_var_compact,
1184 type_var_decompact): Remove.
1186 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1188 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1191 2006-12-01 Richard Guenther <rguenther@suse.de>
1194 * dwarf2out.c (struct pubname_struct): Make name const.
1195 (add_pubtype): Do not xstrdup identifiers.
1197 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1199 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1200 multiword accesses are in range.
1202 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1204 PR tree-optimization/29921
1205 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1206 (set_lattice_value): Use canonicalize_float_value.
1208 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1210 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1211 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1212 (spu_cpu_cpp_builtins): Remove.
1213 (spu_override_options): Don't set warn_main.
1214 (spu_force_reg): Move from spu-c.c.
1215 (spu_check_builtin_parm): Likewise.
1216 (expand_builtin_args): Likewise.
1217 (spu_expand_builtin_1): Likewise.
1218 (spu_expand_builtin): Likewise.
1219 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1220 warn_main and targetm.resolve_overloaded_builtin.
1221 * config/spu/spu-c.c (spu_builtin_range): Remove.
1222 (spu_check_builtin_parm): Remove.
1223 (expand_builtin_args): Remove.
1224 (spu_expand_builtin_1): Remove.
1225 (spu_expand_builtin): Remove.
1226 (spu_cpu_cpp_builtins): Moved from spu.c
1227 (spu_force_reg): Remove.
1229 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1230 David Edelsohn <edelsohn@gnu.org>
1233 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1234 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1235 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1236 HARD_REGNO_NREGS_WITH_PADDING): Define.
1237 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1238 HARD_REGNO_NREGS_WITH_PADDING): Define.
1239 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1240 Use new macros to detect modes with holes; do not look at integer
1242 (subreg_offset_representable_p): Check for and disallow cases
1243 where the modes use different numbers of bits from registers.
1244 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1245 constant for soft-float.
1246 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1248 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1249 in E500 double case.
1250 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1251 (movtf_softfloat): New.
1253 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1255 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1256 simplify_gen_subreg.
1258 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1260 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1261 (COALESCE_HASH_FN): New. Define hash function.
1262 (partition_pair_map_hash): New. Hash value for a partition pair.
1263 (partition_pair_map_eq): New. Equality for hash pairs.
1264 (create_coalesce_list): Create hash table.
1265 (delete_coalesce_list): Free hash table.
1266 (find_partition_pair): Find/create pairs in hash table.
1267 (compare_pairs): Sort pairs in ascending order now.
1268 (num_coalesce_pairs): New. Number of pairs in hash table.
1269 (struct partition_pair_iterator): Iterator struct for pair table.
1270 (first_partition_pair): Iterator function for first pair.
1271 (end_partition_pair_p): Iterator function for end of iteration.
1272 (next_partition_pair): Iterator function for next pair.
1273 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1274 (sort_coalesce_list): Sort pairs from hash table into an array.
1275 (pop_best_coalesce): Take pairs from the array.
1276 (dump_coalesce_list): Update to use hash table or sorted array.
1277 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1278 (struct coalesce_list_d): Add hash table related fields.
1280 2006-11-30 Jan Hubicka <jh@suse.cz>
1283 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1284 memmove/bcopy->memcpy conversion.
1286 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1288 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1289 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1290 Default is the largest alignment supported for 32-bit ELF and
1291 representable on a 32-bit host.
1293 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1295 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1297 2006-11-30 Jan Hubicka <jh@suse.cz>
1299 * tree-ssa-operands.h (struct ssa_operands): New.
1300 * tree-flow-inline.h (gimple_ssa_operands): New function.
1301 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1302 * Makefile.in: Remove gt-tree-ssa-operands.h
1303 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1304 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1305 operand_memory, operand_memory_index, ops_active): Remove statics.
1306 (ALLOC_OPTYPE): Update.
1307 (operand_build_sort_virtual): Update.
1308 (ssa_operands_active): Update.
1309 (init_ssa_operands): Update.
1310 (fini_ssa_operands): Update.
1311 (ssa_operand_alloc): Update.
1312 (INITIALIZE_USE): Update.
1313 (finalize_ssa_use_ops): Update.
1314 (finalize_ssa_v_may_def_ops): Update.
1315 (finalize_ssa_vuse_ops): Update.
1316 (finalize_ssa_v_must_def_ops): Update.
1318 2006-11-30 Richard Guenther <rguenther@suse.de>
1320 * tree-vectorizer.h (vectorizable_function): Export.
1321 * tree-vect-transform.c (vectorizable_function): Likewise.
1322 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1323 type_in to scalar type in recognition of squaring.
1324 Make sure the target can vectorize sqrt in recognition
1325 of sqrt, set type_in to vector type in this case.
1327 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1329 * config/i386/i386.md (R10_REG): New constant.
1330 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1331 (ix86_emit_restore_regs_using_mov): Ditto.
1332 (ix86_expand_call): Ditto.
1333 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1335 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1337 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1338 * alias.c (canon_true_dependence): Update comment.
1340 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1342 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1343 at the end of a diagnostics message.
1345 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1346 until after asserting that it was allocated in the right pool.
1348 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1349 successor edge information as well. Make output of live regs
1350 on exit consistent with live regs on entry.
1352 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1355 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1356 insn patterns for TARGET_80387.
1357 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1358 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1359 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1360 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1361 Generate truncxf<mode>2 insn patterns for strict SSE math.
1363 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1365 * config/i386/i386.md (movsf_1): Enable pattern for standard
1366 80387 constants before reload when optimizing for size.
1367 (*movdf_nointeger, *movdf_integer): Ditto.
1368 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1369 80387 constants before reload when not optimizing for size.
1371 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1372 extension of XFmode input operands.
1374 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1376 * config/spu/crt0.c (__dso_handle): Define.
1378 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1380 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1381 when clearing the used flags.
1383 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1385 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1387 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1390 * config/spu/spu.md (extend_compare<mode>): New pattern.
1391 (extend_compare): Change to expand and use the above pattern.
1393 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1395 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1397 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1398 (DFP_INIT_ROUNDMODE): Define.
1399 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1400 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1402 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1404 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1405 Update documentation.
1406 (associate_line_notes_with_blocks): Kill.
1407 (extend_bb): Remove basic block argument, put void instead.
1408 Remove line number handling for each bb.
1409 (save_line_notes): Kill.
1410 (restore_line_notes): Kill.
1411 (sched_init): Remove line_note_head initialization.
1412 Change extend_bb call.
1413 (sched_finish): Remove free of line_note_head.
1414 (add_block): Change extend_bb call.
1415 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1416 rm_line_notes and restore_line_notes calls.
1417 (schedule_ebbs): Remove rm_redundant_line_notes.
1418 * sched-int.h (struct haifa_insn_data): Remove line_note.
1419 (save_line_notes): Remove declaration.
1420 (restore_line_notes): Remove declaration.
1421 * modulo-sched.c (loop_canon_p): Update debug info printing
1422 by using insn locators instead of line note.
1423 (sms_schedule): Update debug info printing, by using insn
1424 locators instead of line note.
1425 * sched-rgn.c (debug_dependencies): Remove handling of case
1426 n>0 (line number), since it's a dead code.
1427 (schedule_region): Remove save_line_notes and
1428 restore_line_notes calls.
1430 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1432 * config/rs6000/predicates.md (gpc_reg_operand): Check
1433 invalid_e500_subreg.
1434 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1435 SImode subregs of SPE vectors.
1436 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1437 * jump.c (true_regnum): Require subregs to satisfy
1438 subreg_offset_representable_p.
1440 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1441 Steven Bosscher <stevenb.gcc@gmail.com>
1443 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1444 since it no longer exists.
1446 2006-11-29 Duncan Sands <baldrick@free.fr>
1448 PR tree-optimization/23744
1449 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1451 2006-11-29 Duncan Sands <baldrick@free.fr>
1453 PR tree-optimization/23744
1454 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1456 2006-11-29 Duncan Sands <baldrick@free.fr>
1458 PR tree-optimization/23744
1459 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1461 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1463 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1465 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1467 * sh.opt (minline-ic_invalidate): New option.
1468 (musermode): Adjust comment.
1469 * sh.c (sh_initialize_trampoline): Emit library call unless
1470 is set; if it is set, don't emit library call if we can use icbi
1472 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1473 icbi for TARGET_SH4_300.
1474 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1475 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1476 -musermode documentation.
1478 2006-11-29 Jim Tison <jtison@us.ibm.com>
1480 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1481 __gthread_recursive_mutex_init): Define.
1483 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1485 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1486 STRICT_ALIGNMENT and the type is more aligned than the saved
1487 registers, copy via a temporary.
1489 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1492 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1495 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1497 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1499 2006-11-28 Jan Hubicka <jh@suse.cz>
1501 Privatize SSA variables into gimple_df.
1502 * tree-flow-inline.h
1503 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1504 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1505 gimple_nonlocal_all): New accessors.
1506 (first_referenced_var): Update.
1507 (mark_stmt_modified): Update.
1508 (is_call_clobbered): Update.
1509 (mark_call_clobbered): Update.
1510 (clear_call_clobbered): Update.
1511 (mark_non_addressable): Update.
1512 * tree-vrp.c (get_value_range): Update.
1513 * tree-into-ssa.c (in_ssa_p): Kill.
1514 (get_default_def_for): Update.
1515 (rewrite_into_ssa): Update.
1516 * tree-complex.c (init_parameter_lattice_values): Update.
1517 (update_complex_assignment): Update.
1518 (update_parameter_components): Update.
1519 (expand_complex_libcall): Update.
1520 (expand_complex_operations_1): Update.
1521 * tree-tailcall.c (arg_needs_copy_p): Update.
1522 (add_virtual_phis): Update.
1523 (tree_optimize_tail_calls_1): Update.
1524 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1525 * tree-ssa-copyrename.c
1526 (copy_rename_partition_coalesce): Update.
1527 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1528 * tree-ssa-propagate.c (set_rhs): Update.
1529 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1530 addressable_vars, global_var):Kill.
1531 (set_initial_properties): Update.
1532 (init_alias_info): Update.
1533 (finalize_ref_all_pointers): Update.
1534 (setup_pointers_and_addressables): Update.
1535 (maybe_create_global_var): Update.
1536 (create_global_var): Update.
1537 (dump_points_to_info): Update.
1538 * function.h (struct gimple_df): Forward declare.
1539 (struct function): Add GIMPLE_DF field.
1540 * gimplify.c (force_gimple_operand): Update.
1541 * tree-dfa.c (referenced_vars, default_defs): KIll.
1542 (make_rename_temp): Update.
1543 (dump_variable): Update.
1544 (referenced_var_lookup): Update.
1545 (referenced_var_check_and_insert): Update.
1546 (default_def): Rename to ...
1547 (gimple_default_def): ... this one; accept cfun argument.
1548 (set_default_def): Update.
1549 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1550 (cleanup_control_flow): Update.
1551 * tree-ssa-pre.c (compute_avail): Update
1552 * tree-ssa-live.c (calculate_live_on_entry): Update.
1553 * tree-ssa.c (verify_use): Update.
1554 (verify_call_clobbering): Update.
1555 (verify_call_clobbering): Update.
1556 (init_tree_ssa): Update.
1557 (delete_tree_ssa): Update.
1558 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1559 (rewrite_out_of_ssa): Update.
1560 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1561 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1563 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1564 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1565 addressable_vars, aliases_computed_p): Kill.
1566 (default_def): Rename to...
1567 (gimple_default_def): ... this one.
1568 (defaule_def_fn): Kill.
1569 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1570 * tree-ssa-structalias.c (nonlocal_all): Kill.
1571 (get_constraint_exp_from_ssa_var): Update.
1572 (create_nonlocal_var): Update.
1573 (get_constraint_for): Update.
1574 (update_alias_info): Update.
1575 (find_global_initializers): Update.
1576 (intra_create_variable_infos): Update.
1577 (intra_create_variable_infos):
1578 (find_what_p_points_to): Update.
1579 (init_alias_heapvars): Update.
1580 * tree-cfg.c (remove_bb): Update.
1581 (gimplify_val): Update.
1582 * tree-ssa-reassoc.c (get_rank): Update.
1583 (init_reassoc): Update.
1584 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1585 (ssa_names, free_ssanames): Kill.
1586 (init_ssanames): Update.
1587 (make_ssa_name): Update.
1588 (release_ssa_name): Update.
1589 (release_defs): Update.
1590 (replace_ssa_name_symbol): Update.
1591 * tree-ssa-operands.c (access_can_touch_variable): Update.
1592 (add_virtual_operand): Update.
1593 (add_call_clobber_ops): Update.
1594 (add_call_read_ops): Update.
1595 (get_call_expr_operands): Update.
1596 (get_asm_expr_operands): Update.
1598 2006-11-28 Jan Hubicka <jh@suse.cz>
1600 * builtins.c: Include tree-flow.h.
1601 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1602 assignment; convert memmove to memcpy for sizes greater than 1 where
1603 alignment of operands prohibit the partial overlap.
1605 2006-11-28 Jan Hubicka <jh@suse.cz>
1607 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1608 * cgraph.c (dump_cgraph_node): Dump stack usage.
1609 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1610 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1611 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1612 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1613 (cgraph_check_inline_limits): Limit stack growth.
1614 * cfgexpand.c: Include tree-inline.h.
1615 (account_stack_vars): New function.
1616 (expand_one_var): New param to just account the stack; return estimated
1618 (expand_used_vars_for_block): Update call of expand_one_var.
1619 (account_used_vars_for_block): New function.
1620 (estimated_stack_frame_size): Likewise.
1621 (init_vars_expansion, fini_vars_expansion): Break out from..
1622 (expand_used_vars): ... here.
1623 * tree-inline.h (estimated_stack_frame_size): Declare.
1624 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1626 2006-11-28 Richard Guenther <rguenther@suse.de>
1628 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1629 unsigned long for printing OBJECT_SIZE.
1631 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1633 * alias.c (init_alias_analysis): Remove simplification loop
1634 after propagating pointers.
1636 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1638 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1641 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1643 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1645 2006-11-27 Roger Sayle <roger@eyesopen.com>
1646 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1648 * c-common.c (constant_fits_type_p): Delete.
1649 (unsigned_conversion_warning): Delete.
1650 (conversion_warning): Integrate Wconversion warning from
1651 unsigned_conversion_warning.
1652 (convert_and_check): Integrate Woverflow warning from
1653 unsigned_conversion_warning. Reorganize and simplify to avoid
1654 dependence upon the middle-end setting TREE_OVERFLOW on integral
1655 conversions, by using int_fits_type_p directly.
1657 2006-11-27 Tobias Burnus <burnus@net-b.de>
1659 * doc/invoke.texi: Fixed typo.
1661 2006-11-27 Michael Matz <matz@suse.de>
1662 Andreas Krebbel <krebbel1@de.ibm.com>
1665 * config/s390/predicates.md (larl_operand): Check addend of larl
1666 operand to be in range of -/+2GB.
1667 * config/s390/s390.c (legitimize_pic_address): Likewise.
1668 Changed type of variable even to HOST_WIDE_INT.
1670 2006-11-27 Jan Hubicka <jh@suse.cz>
1672 * expr.c (emit_block_move_via_libcall): Export.
1673 (clear_storage_via_libcall): Rename to ...
1674 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1675 (clear_storage): Update to set_storage_via_libcall.
1676 * expr.h (emit_block_move_via_libcall): Declare
1677 * config/i386/i386.h (stringop_alg): New enum.
1678 (MAX_STRINGOP_ALGS): New constant.
1679 (stringop_algs): New struct.
1680 (processor_costs): Add memcpy/memset descriptors.
1681 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1682 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1683 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1685 * config/i386/i386.opt (minline-stringops-dynamically,
1686 mstringop-strategy): New
1688 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1689 (ix86_expand-clrmem): Rename to ...
1690 (ix86_expand_setmem): ... this one; update prototype.
1691 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1692 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1693 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1694 nocona_cost, core2_cost, generic_cost, generic64_cost,
1695 generic32_cost): Add memcpy/memset descriptors.
1696 (x86_rep_movl_optimal): Remove.
1697 (stringop_alg): New static variable.
1698 (ix86_expand_aligntest): Handle predictions.
1699 (override_options): Add strgop_alg handling.
1700 (predict_jump): New function.
1701 (scale_counter): New function.
1702 (expand_set_or_movmem_via_loop): New function.
1703 (expand_movmem_via_rep_mov): New function.
1704 (expand_setmem_via_rep_stots): New function.
1705 (emit_strmov): New function.
1706 (expand_movmem_epilogue): New function.
1707 (expand_setmem_epilogue_via_loop): New function.
1708 (expand_setmem_epilogue): New function.
1709 (expand_movmem_prologue): New function.
1710 (expand_setmem_prologue): New function.
1711 (decide_alg): New function.
1712 (decide_alignment): New function.
1713 (ix86_exand_movmem): Rewrite.
1714 (promote_duplicated_reg): New function.
1715 (ix86_expand_clrmem): Rename to ...
1716 (ix86_expand_setmem): ... this one. Rewrite.
1718 * invoke.texi (minline-stringops-dynamically): New command line option.
1719 (mstringop-strategy): Likewise.
1721 2006-11-27 Jan Hubicka <jh@suse.cz>
1723 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1724 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1725 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1726 * insn-notes.def (FUNCTION_END): Remove.
1727 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1728 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1730 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1731 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1732 * cfglayout.c (duplicate_insn_chain): Don't worry about
1735 2006-11-27 Richard Guenther <rguenther@suse.de>
1736 Zdenek Dvorak <dvorakz@suse.cz>
1738 * target.h (struct gcc_target): Add builtin_vectorized_function
1740 * target-def.h (TARGET_VECTORIZE): Likewise.
1741 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1742 Document new target hook.
1743 * targhooks.h (default_builtin_vectorized_function): Declare.
1744 * targhooks.c (default_builtin_vectorized_function): Define.
1745 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1746 (vectorizable_call): Declare.
1747 * tree-vect-analyze.c (vect_analyze_operations): Call
1749 * tree-vect-transform.c (vectorizable_function): New static function.
1750 (build_vectorized_function_call): Likewise.
1751 (vectorizable_call): New function.
1752 (vect_transform_stmt): Handle vectorizable calls.
1754 2006-11-27 Richard Guenther <rguenther@suse.de>
1757 * builtins.c (expand_builtin_pow): Optimize non integer valued
1758 constant exponents using sqrt or cbrt if possible. Always fall back
1759 to expanding via optabs.
1761 2006-11-27 Ira Rosen <irar@il.ibm.com>
1763 PR tree-optimization/22372
1764 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1765 the type of the base address.
1766 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1767 it in the data-ref pointer creation.
1768 (vect_init_vector): Add an argument, type of the init vector. Use it in
1770 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1771 (get_initial_def_for_reduction): Likewise.
1772 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1774 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1775 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1776 correct type in stmt creation.
1777 (vect_setup_realignment): Use the correct type in stmt creation.
1778 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1780 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1781 of MODIFY_EXPR to void_type_node.
1782 (vectorizable_condition): Change type of MODIFY_EXPR to
1784 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1787 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1790 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1791 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1792 standard 80387 constants, raise the cost to prevent
1793 compress_float_constant() to generate load from memory.
1795 * config/i386/i386.md: Add new splitter pattern to split
1796 float_extended load of constant from constant pool into
1799 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1801 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1802 section to general section. Remove documentation for
1803 --with-mpfr-dir and --with-gmp-dir, add documentation for
1804 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1807 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1809 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1811 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1813 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1815 PR tree-optimization/29122
1816 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1817 for the new version. Assign NULL to DECL_RTL of the new version.
1819 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1821 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1823 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1825 * cse.c (cse_altered): Remove.
1826 (record_jump_equiv): Make true/false argument a bool instead
1828 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1829 where appropriate. Emit a new jump before the existing one
1830 instead of after so that delete_insn_and_edges removes the
1831 dead edges properly. Check any_condjump_p before calling
1833 (cse_basic_block): Check any_condjump_p before calling
1835 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1837 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1839 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1840 -ffixed-line-length-* options.
1842 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1844 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1845 (fprem1xf4): Rename to fprem1xf4_i387.
1847 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1848 Rename patterns to fmod<mode>3. Use general_operand operand
1849 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1850 patterns for SSE math.
1851 (remaindersf3, remainderdf3): Ditto.
1853 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1855 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1856 inside start_sequence / end_sequence pair.
1858 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1860 * jump.c (mark_all_labels): Work in cfglayout mode.
1861 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1862 when in cfglayout mode, because there are no dead jumptables
1864 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1866 (commit_edge_insertions): Do not allow insertion of instructions
1867 with control flow insns when in cfglayout mode.
1869 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1871 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1873 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1874 unswitch_loop): Ditto.
1875 * tree-loop-linear.c (linear_transform_loops): Ditto.
1876 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1877 tree_ssa_lim): Ditto.
1878 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1879 free_numbers_of_iterations_estimates): Ditto.
1880 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1881 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1882 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1883 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1884 place_new_loop, duplicate_loop, duplicate_subloops,
1885 update_single_exit_for_duplicated_loops, copy_loops_to,
1886 duplicate_loop_to_header_edge, create_preheaders,
1887 force_single_succ_latches, loop_version, fix_loop_structure):
1889 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1890 tree_unroll_loop): Ditto.
1891 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1892 * tree-scalar-evolution.c (select_loops_exit_conditions,
1893 scev_initialize, scev_analysis): Ditto.
1894 * tree-scalar-evolution.h (scev_initialize): Ditto.
1895 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1896 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1897 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1898 * modulo-sched.c (sms_schedule): Ditto.
1899 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1900 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1901 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1902 * ifcvt.c (if_convert): Ditto.
1903 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1904 canonicalize_loop_induction_variables,
1905 canonicalize_induction_variables,
1906 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1907 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1908 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1909 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1910 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1911 tree_ssa_loop_done): Ditto.
1912 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1913 estimate_bb_frequencies): Ditto.
1914 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1915 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1916 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1917 decide_unrolling_and_peeling, peel_loop_completely,
1918 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1919 peel_loop_simple, unroll_loop_stupid): Ditto.
1920 * loop-doloop.c (doloop_optimize_loops): Ditto.
1921 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1922 * loop-invariant.c (move_loop_invariants): Ditto.
1923 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1924 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1925 tree_ssa_prefetch_arrays): Ditto.
1926 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1928 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1929 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1930 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1931 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1932 verify_loop_structure): Ditto.
1933 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1934 canonicalize_induction_variables, tree_unroll_loops_completely,
1935 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1936 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1937 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1938 tree_unroll_loop, linear_transform_loops): Declaration changed.
1939 * basic-block.h: Remove declaration of struct loops.
1940 * cfghooks.h (struct cfg_hooks): Change type of
1941 cfg_hook_duplicate_loop_to_header_edge.
1942 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1943 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1944 vect_transform_loop): Declaration changed.
1945 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1946 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1947 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1948 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1949 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1950 loopify, loop_version, remove_path, unswitch_loops,
1951 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1952 Declaration changed.
1954 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1956 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1957 (X87MODEF): New mode macro.
1958 (ssemodefsuffix): New mode attribute.
1959 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1960 (sqrt_extend<mode>xf2_i387): New insn pattern.
1961 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1962 insn and truncate result back to original mode using
1963 UNSPEC_TRUNC_NOOP truncation.
1964 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1965 ssemodefsuffix mode attribute.
1966 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1967 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1968 (*sqrtextenddfxf2_i387): Remove insn patterns.
1970 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1971 truncation patterns.
1973 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1975 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1978 * c-tree.h (c_maybe_initialize_eh): New prototype.
1979 * c-decl.c (finish_decl): Move EH initialization...
1980 (c_maybe_initialize_eh): ... here. New function.
1981 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1982 if not #pragma omp atomic.
1985 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1986 or UNION_TYPE inner types.
1988 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1991 * ipa-pure-const.c (check_tree): If the original tree
1992 is volatile return early and say the function is not pure
1993 nor const. Remove the volatile check for writes.
1994 (analyze_function): Print out the result of the local
1997 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1999 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2001 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2002 * config/rs6000/rs6000.c (rs6000_override_options): Use
2003 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2006 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2008 * config/s390.c (s390_emit_compare_and_swap): New function.
2009 (s390_expand_cs_hqi, s390_expand_atomic): Call
2010 s390_emit_compare_and_swap.
2012 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2014 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2016 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2020 * c-common.c (conversion_warning): New.
2021 (convert_and_check): Call conversion_warning unless there is an
2023 * doc/invoke.texi (-Wconversion): Update description.
2025 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2027 * tree-ssa-alias.c (tree_pointer_compare): New function.
2028 (compact_name_tags): New function.
2029 (group_aliases): Call compact_name_tags.
2031 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2033 * real.h (real_isinteger): Declare.
2034 * real.c (real_isinteger): Define.
2035 * builtins.c (integer_valued_real_p): Use it.
2037 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2040 * c.opt (Wtraditional-conversion): New.
2041 (Wconversion): Update description.
2042 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2043 type conversions different from what would happen in the absence
2044 of prototype are now handled by Wtraditional-conversion.
2045 * doc/invoke.texi (Wtraditional-conversion): New.
2046 (Wconversion): Update description.
2047 * doc/trouble.texi (Wconversion): Replace Wconversion by
2048 Wtraditional-conversion.
2050 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2052 * predict.c (tree_estimate_probability): Check to make
2053 sure current_loops is non null before calling flow_loops_dump.
2055 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2057 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2059 2006-11-23 David Ung <davidu@mips.com>
2061 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2063 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2064 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2065 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2066 high part of FP register when in 64-bit FP register mode. Similarly
2067 use gen_mfhc1 to load high part of FP register.
2068 (override_options): Allow -mgp32 and -mfp64 combination if
2069 ISA_HAS_MXHC1 (currently for O32 only).
2070 (mips_cannot_change_mode_class): If floating-point registers are
2071 bigger than word size. disallow conversion of float register from a
2072 large integer mode to a float mode smaller than the float register
2074 (mips_class_max_nregs): Handle float registers case seperately.
2075 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2077 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2078 (movdf_hardfloat_32bit): Similarly.
2079 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2080 support a full 64-bit fpu.
2081 (mthc1): New pattern to generate MTHC1 instruction.
2082 (mfhc1): New pattern to generate MFHC1 instruction.
2083 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2084 option for the MIPS32R2 and mention its use under O32 ABI.
2086 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2088 * var-tracking.c (emit_note_insn_var_location): Take care not to
2089 cause verify_flow_info failures.
2091 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2093 * tree-ssa-structalias.c: Remove edge weights in favor of just
2094 processing them as complex constraints.
2095 (struct constraint_graph): Remove weighted succs and preds. Rename
2096 nonweighted succs and preds.
2097 (constraint_edge): Removed.
2098 (constraint_edge_t): Ditto.
2099 (constraint_edge_pool): Ditto.
2100 (new_constraint_edge): Ditto.
2101 (constraint_edge_equal): Ditto.
2102 (constraint_edge_less): Ditto.
2103 (constraint_edge_vec_find): Ditto.
2104 (erase_self_graph_edge): Ditto.
2105 (add_graph_edge): Removed.
2106 (get_graph_weights): Ditto.
2107 (allocate_graph_weights): Ditto.
2108 (valid_weighted_graph_edge): Ditto
2109 (bitmap_other_than_zero_bit_set): Ditto.
2110 (int_add_graph_edge): Renamed to add_graph_edge.
2111 (clear_edges_for_node): Remove support for weighted edges.
2112 (merge_graph_nodes): Ditto.
2113 (valid_graph_edge): Ditto.
2114 (build_constraint_graph): Ditto.
2116 (collapse_nodes): Ditto.
2117 (process_unification_queue): Ditto.
2118 (topo_visit): Ditto.
2119 (do_ds_constraint): Ditto.
2120 (perform_var_subsitution): Ditto.
2121 (solve_graph): Ditto.
2122 (init_alias_vars): Ditto.
2123 (delete_points_to_sets): Ditto.
2124 (do_complex_constraint): Support offsetted copies here.
2126 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2128 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2130 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2132 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2135 2006-11-23 Ben Elliston <bje@au.ibm.com>
2137 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2139 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2141 PR tree-optimization/29921
2142 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2143 signed and unsigned zero equal.
2145 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2147 * config/rs6000/rs6000.c (get_store_dest): New.
2148 (adjacent_mem_locations): Use get_store_dest() to get
2149 the rtl of the store destination.
2151 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2153 * config/rs6000/spe.md (SPE64): New mode macro.
2154 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2156 (mov_si<mode>_e500_subreg0_2): New.
2157 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2159 (mov_si<mode>_e500_subreg4_2): New.
2160 * config/rs6000/predicates.md (input_operand): Do not allow
2161 invalid E500 subregs.
2162 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2164 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2165 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2166 involving vector modes if TARGET_SPE.
2168 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2171 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2172 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2174 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2176 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2177 mem_i_address_operand): New predicates.
2178 * config/bfin/bfin.c (bfin_issue_rate): New function.
2179 (TARGET_SCHED_ISSUE_RATE): New macro.
2180 * config/bfin/bfin.md (addrtype): New attribute.
2181 (slot0, slot1, slot2, store, pregs): New cpu_units.
2182 (core): Now a define_reservation.
2183 (alu): Remove some insn types from this reservation.
2184 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2186 (dummy reservation): Don't trigger for mcld insns.
2187 (absence_sets): Two new absence sets to enforce slot ordering.
2188 (popsi_insn): Set addrtype.
2190 2006-11-22 Ira Rosen <irar@il.ibm.com>
2192 * doc/c-tree.texi: Document new tree codes.
2193 * doc/md.texi: Document new optabs.
2194 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2196 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2197 * optabs.h (optab_index): Add new.
2198 (vec_extract_even_optab, vec_extract_odd_optab,
2199 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2200 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2201 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2203 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2204 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2205 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2206 along with macros for their access.
2207 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2209 * tree-vect-analyze.c (toplev.h): Include.
2210 (vect_determine_vectorization_factor): Fix indentation.
2211 (vect_insert_into_interleaving_chain,
2212 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2213 (vect_analyze_data_ref_dependence): Add argument for interleaving
2214 check. Check for interleaving if it's true.
2215 (vect_check_dependences): New function.
2216 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2217 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2218 (vect_update_misalignment_for_peel): Update for interleaving.
2219 (vect_verify_datarefs_alignment): Check only first data-ref for
2221 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2222 only first data-ref for interleaving.
2223 (vect_analyze_data_ref_access): Check interleaving, update
2225 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2226 with different parameters.
2227 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2228 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2229 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2230 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2231 Update step in case of interleaving.
2232 (vect_strided_store_supported, vect_permute_store_chain): New
2234 (vectorizable_store): Handle strided stores.
2235 (vect_strided_load_supported, vect_permute_load_chain,
2236 vect_transform_strided_load): New functions.
2237 (vectorizable_load): Handle strided loads.
2238 (vect_transform_stmt): Add argument. Handle strided stores. Check
2239 that vectorized stmt exists for patterns.
2240 (vect_gen_niters_for_prolog_loop): Update calculation for
2242 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2243 whole chain vectorization.
2244 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2245 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2246 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2247 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2248 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2250 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2252 * cse.c (enum taken): Remove PATH_AROUND.
2253 (addr_affects_sp_p, invalidate_skipped_set,
2254 invalidate_skipped_block): Remove.
2255 (cse_end_of_basic_block): Remove skip_blocks and related code.
2256 (cse_main): Don't test for flag_cse_skip_blocks.
2257 Update cse_end_of_basic_block call.
2258 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2259 code to lengthen the path if a jump was simplified.
2261 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2263 PR rtl-optimization/29924
2264 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2265 (unroll_loop_runtime_iterations): Assert that the argument passed to
2266 split_edge_and_insert is not NULL.
2267 * loop-doloop.c (add_test): Ditto.
2269 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2271 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2273 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2274 * cfgloopmanip.c (update_single_exits_after_duplication,
2275 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2276 * tree-scalar-evolution.c (get_loop_exit_condition,
2277 get_exit_conditions_rec, loop_closed_phi_def,
2278 number_of_iterations_in_loop, scev_const_prop): Ditto.
2279 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2280 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2282 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2284 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2285 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2286 slpeel_make_loop_iterate_ntimes,
2287 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2288 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2290 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2291 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2292 vect_analyze_loop_form): Ditto.
2293 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2294 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2295 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2296 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2297 vect_transform_loop): Ditto.
2298 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2299 (single_exit, set_single_exit): New functions.
2300 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2301 (single_exit, set_single_exit): Declare.
2302 * doc/loop.texi: Undocument single_exit field. Document single_exit
2305 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2307 PR tree-optimization/29902
2308 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2309 any involved ssa name appears in abnormal phi node.
2311 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2313 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2314 (xtensa_const_ok_for_letter_p): Delete.
2315 (xtensa_extra_constraint): Delete.
2316 (override_options): Delete xtensa_char_to_class initialization.
2317 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2318 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2319 (EXTRA_CONSTRAINT): Delete.
2320 * config/xtensa/xtensa.md: Include constraints.md.
2321 (call_internal): Combine alternatives.
2322 (call_value_internal): Likewise, and remove invalid constraints.
2323 * config/xtensa/constraints.md: New file.
2324 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2325 (xtensa_extra_constraint): Delete.
2326 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2329 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2331 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2332 of conversion that doesn't fit.
2334 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2335 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2336 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2338 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2340 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2342 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2344 2006-11-21 Richard Guenther <rguenther@suse.de>
2346 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2347 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2348 vect_recog_pow_pattern.
2349 (vect_recog_pow_pattern): New function.
2351 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2353 * config/bfin/bfin.opt (mstack-check-l1): New.
2354 * doc/invoke.texi (Blackfin Options): Document it.
2355 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2356 stack bounds in L1 memory if the new option is enabled.
2357 (override_options): Don't allow combinations of -fstack-limit and
2359 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2362 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2364 (bfin_register_move_cost): Bump costs if trying to move plain
2365 integer values through accumulators.
2367 2006-11-21 Ben Elliston <bje@au.ibm.com>
2369 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2371 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2372 Russell Olsen <Russell_Olsen@playstation.sony.com>
2373 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2374 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2375 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2376 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2377 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2379 * config.gcc: Add target for SPU.
2380 * config/spu/constraints.md: New file.
2381 * config/spu/crt0.c: New file.
2382 * config/spu/crtend.c: New file.
2383 * config/spu/crti.asm: New file.
2384 * config/spu/crtn.asm: New file.
2385 * config/spu/float_unsdidf.c: New file.
2386 * config/spu/float_unssidf.c: New file.
2387 * config/spu/predicates.md: New file.
2388 * config/spu/spu-builtins.def: New file.
2389 * config/spu/spu-builtins.h: New file.
2390 * config/spu/spu-builtins.md: New file.
2391 * config/spu/spu-c.c: New file.
2392 * config/spu/spu-elf.h: New file.
2393 * config/spu/spu-modes.def: New file.
2394 * config/spu/spu-protos.h: New file.
2395 * config/spu/spu.c: New file.
2396 * config/spu/spu.h: New file.
2397 * config/spu/spu.md: New file.
2398 * config/spu/spu.opt: New file.
2399 * config/spu/spu_internals.h: New file.
2400 * config/spu/spu_intrinsics.h: New file.
2401 * config/spu/spu_mfcio.h: New file.
2402 * config/spu/t-spu-elf: New file.
2403 * config/spu/vec_types.h: New file.
2404 * config/spu/vmx2spu.h: New file.
2405 * doc/contrib.texi: Document SPU contributor.
2406 * doc/extend.texi: Document SPU extensions.
2407 * doc/invoke.texi: Document SPU options.
2408 * doc/md.texi: Document SPU constraints.
2410 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2412 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2414 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2416 (flow_loop_dump): Do not dump loop level.
2417 (flow_loops_find): Do not call flow_loops_level_compute.
2418 * cfgloop.h (struct loop): Remove level field.
2420 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2422 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2423 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2424 Use vector of edges instead of array.
2425 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2426 estimate_numbers_of_iterations_loop): Ditto.
2427 * predict.c (predict_loops): Ditto.
2428 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2429 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2431 * basic-block.h: Declare heap allocation for edge vectors.
2432 * tree-outof-ssa.c: Ditto.
2433 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2434 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2436 2006-11-20 Zack Weinberg <zackw@panix.com>
2438 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2439 Add another out parameter, "skip".
2440 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2441 is tagged "skip", do not mark its type used.
2443 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2446 * tree-sra.c (single_scalar_field_in_record_p): New function.
2447 (decide_block_copy): Use it.
2449 2006-11-20 David Daney <ddaney@avtrex.com>
2451 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2452 PC to point to following instruction.
2454 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2458 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2460 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2462 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2464 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2465 Add sh/superh.h to tm_file.
2467 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2468 Mark Mitchell <mark@codesourcery.com>
2470 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2472 (cpp_relocated): New function.
2473 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2475 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2476 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2477 replace configured prefix with gcc_exec_prefix.
2479 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2481 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2482 bfin_legitimate_constant_p.
2483 * config/bfin/bfin.md (movsi expander): Check return value of
2485 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2486 (expand_move): Adjust prototype.
2487 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2488 invalid constants specially.
2489 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2491 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2493 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2494 sibcall_value_symbol): Allow these patterns if
2495 TARGET_LEAF_ID_SHARED_LIBRARY.
2496 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2497 (override_options): Turn on id shared library flags if -msep-data,
2498 but disallow the combination of these options on the command line.
2499 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2500 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2501 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2502 -mid-shared-library.
2503 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2504 * doc/invoke.texi (Blackfin Options): Document new switches.
2506 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2507 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2509 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2510 inflate costs for addresses with an out-of-bounds address.
2512 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2515 * fwprop.c (loops): Remove.
2516 (forward_propagate_into): Use current_loops instead of
2518 (fwprop_init): Call loop_optimizer_init instead of
2520 (fwprop_done): Call loop_optimizer_finalize instead of
2522 (fwprop): Use current_loops instead of loops.
2524 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2527 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2529 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2532 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2533 larger than BITS_PER_WORD.
2535 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2539 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2540 to MAX_FIXED_MODE_SIZE.
2542 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2544 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2545 (fold_builtin_fmin_fmax): New.
2546 (fold_builtin_1): Use it.
2548 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2550 2006-11-18 Richard Guenther <rguenther@suse.de>
2552 * config/i386/i386.c (ix86_builtins): New array for ix86
2553 builtin function decls.
2554 (def_builtin): New function.
2555 (def_builtin_const): Likewise.
2556 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2558 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2560 * doc/invoke.texi (core2): Add item.
2562 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2564 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2565 (TARGET_CPU_DEFAULT_generic): Change value.
2566 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2567 (processor_type): Add new constant PROCESSOR_CORE2.
2569 * config/i386/i386.md (cpu): Add core2.
2571 * config/i386/i386.c (core2_cost): New initialized variable.
2572 (m_CORE2): New macro.
2573 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2574 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2575 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2576 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2577 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2578 x86_accumulate_outgoing_args, x86_prologue_using_move,
2579 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2580 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2581 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2582 x86_pad_returns): Add m_CORE2.
2583 (override_options): Add entries for Core2.
2584 (ix86_issue_rate): Add case for Core2.
2586 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2588 * doc/invoke.texi: Fix mno-isel typo.
2590 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2592 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2593 easy vector constant loads.
2595 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2597 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2598 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2599 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2600 * config/rs6000/sync.md (lwsync): Emit plain sync if
2603 2006-11-17 DJ Delorie <dj@redhat.com>
2605 * reload1.c (reloads_unique_chain): New.
2606 (reloads_conflict): Call it.
2608 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2610 * config/xtensa/predicates.md (addsubx_operand): New.
2611 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2612 (xtensa_emit_bit_branch): New.
2613 (xtensa_emit_movcc): New.
2614 * config/xtensa/xtensa.md (any_minmax): New code macro.
2615 (minmax): New code attribute.
2616 (any_cond, any_scc, any_scc_sf): New code macros.
2617 (*addx2, *addx4, *addx8): Delete.
2619 (*subx2, *subx4, *subx8): Delete.
2621 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2622 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2623 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2624 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2625 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2626 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2627 (movsfcc_internal0, movsfcc_internal1): Likewise.
2628 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2629 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2630 (xtensa_emit_bit_branch): New.
2631 (xtensa_emit_movcc): New.
2632 (function_arg_boundary): Add missing prototype.
2634 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2636 * config/xtensa/xtensa.md (tstsi): Delete
2638 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2640 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2642 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2644 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2646 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2648 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2650 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2652 * tree-vrp.c (execute_vrp): Do not update current_loops.
2653 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2654 * doc/loop.texi: Remove documentation for cancelled functions.
2655 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2656 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2658 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2659 (remove_path): Ensure that in delete_basic_blocks, the loops
2660 are still allocated.
2661 (add_loop): Work on valid loop structures.
2662 (loopify): Modify call of add_loop.
2663 (mfb_update_loops): Removed.
2664 (create_preheader): Do not update loops explicitly.
2665 (force_single_succ_latches, loop_version): Do not use
2666 loop_split_edge_with.
2667 (loop_split_edge_with): Removed.
2668 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2669 Do not use bsi_insert_on_edge_immediate_loop.
2670 (split_loop_exit_edge, tree_unroll_loop): Do not use
2671 loop_split_edge_with.
2672 (bsi_insert_on_edge_immediate_loop): Removed.
2673 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2674 use loop_split_edge_with.
2675 * cfghooks.c: Include cfgloop.h.
2676 (verify_flow_info): Verify that loop_father is filled iff current_loops
2678 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2679 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2681 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2683 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2684 loop_split_edge_with.
2685 (sms_schedule): Use current_loops.
2686 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2687 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2689 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2690 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2691 * ifcvt.c (if_convert): Ditto.
2692 * predict.c (predict_loops): Do not clear current_loops.
2693 (tree_estimate_probability): Use current_loops.
2694 (propagate_freq): Receive head of the region to propagate instead of
2696 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2697 (estimate_loops): New function. Handle case current_loops == NULL.
2698 (estimate_bb_frequencies): Do not allocate tovisit. Use
2700 * tree-ssa-loop.c (current_loops): Removed.
2701 (tree_loop_optimizer_init): Do not return loops.
2702 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2703 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2704 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2705 Do not update loops explicitly.
2706 * function.h (struct function): Add x_current_loops field.
2707 (current_loops): New macro.
2708 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2709 * loop-unroll.c (split_edge_and_insert): New function.
2710 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2711 use loop_split_edge_with.
2712 * loop-doloop.c (add_test, doloop_modify): Ditto.
2713 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2714 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2715 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2716 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2718 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2719 (flow_loops_free): Do not free dfs_order and rc_order.
2720 (flow_loops_find): Do not set dfs_order and rc_order in loops
2721 structure. Do not call loops and flow info verification.
2722 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2723 already belongs to some loop.
2724 * cfgloop.h (struct loops): Remove struct cfg.
2725 (current_loops, loop_split_edge_with): Declaration removed.
2726 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2727 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2728 Declaration removed.
2729 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2730 * basic-block.h (split_edge_and_insert): Declare.
2731 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2733 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2735 PR tree-optimization/29801
2736 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2737 (get_default_value): Use get_symbol_constant_value.
2738 (set_lattice_value): ICE when the value of the constant is
2740 (visit_assignment): Ignore VDEFs of read-only variables.
2742 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2744 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2746 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2747 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2749 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2751 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2752 select subvars of var.
2754 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2757 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2758 optimize if DEF doesn't have integral type.
2760 2006-11-16 Mike Stump <mrs@apple.com>
2762 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2763 pre-darwin9 system, unless the user asks for it directly.
2764 (PREFERRED_DEBUGGING_TYPE): Likewise.
2765 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2766 * config.gcc: Add suppport for darwin9.h.
2767 * config/darwin9.h: Add.
2768 * doc/install.texi (Specific): Clarify darwin documentation.
2770 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2772 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2773 optimizing for size.
2775 2006-11-16 Mike Stump <mrs@apple.com>
2777 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2779 2006-11-16 Dirk Mueller <dmueller@suse.de>
2781 * tree-vrp.c (get_value_range): Use XCNEW instead
2783 (insert_range_assertions): Use XCNEWVEC instead
2784 of XNEWVEC and memset.
2785 (vrp_initialize): Same.
2786 (vrp_finalize): Same.
2787 * tree-ssa-ccp.c (ccp_initialize): Same.
2788 * predict.c (tree_bb_level_predictions): Same.
2789 * calls.c (expand_call): Same.
2790 * tree-ssa-copy.c (init_copy_prop): Same.
2791 (fini_copy_prop): Same.
2792 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2793 of GGC_NEW and memset.
2795 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2798 * gimplify.c (gimplify_expr): Only force a load for references to
2799 non-BLKmode volatile values.
2800 * doc/implement-c.texi (Qualifiers implementation): Document the
2801 interpretation of what a volatile access is.
2802 * doc/extend.texi (C++ Extensions): Rework same documentation.
2804 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2806 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2809 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2811 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2813 (arm_neg_abssi2): Renamed from neg_abssi2.
2814 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2816 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2818 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2819 number of arguments passed to local functions in SSE registers is 3.
2821 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2822 number of arguments passed in SSE registers to 3.
2824 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2827 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2829 (get_last_bb_insn): ... new global function.
2830 (basic_block.h): Declare it.
2831 * haifa-sched.c (create_recovery_block): Use it.
2833 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2836 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2838 2006-11-15 Paul Brook <paul@codesourcery.com>
2840 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2841 _Unwind_GetTextRelBase): Move from here ...
2842 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2843 _Unwind_GetTextRelBase): ... To here.
2845 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2847 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2848 addresses we generate for testing are aligned.
2850 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2853 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2854 to what is the const decl is a place holder for.
2856 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2858 * config/i386/i386.opt: New target option -mx87regparm.
2860 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2861 and float_in_x87 variables. mmx_words, sse_words: Remove.
2862 (X87_REGPARM_MAX): Define.
2864 * config/i386/i386.c (override_options): Error out for
2865 -mx87regparm but no 80387 support.
2866 (ix86_attribute_table): Add x87regparm.
2867 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2868 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2869 (ix86_function_x87regparm): New function.
2870 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2872 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2874 (function_arg_advance): Process x87_nregs and x87_regno when
2875 floating point argument is to be passed in 80387 register.
2876 (function_arg): Pass XFmode arguments in 80387 registers for local
2877 functions. Pass SFmode and DFmode arguments to local functions
2878 in 80387 registers when flag_unsafe_math_optimizations is set.
2880 * reg-stack.c (convert_regs_entry): Disable NaN load for
2881 stack registers that are used for argument passing.
2883 * doc/extend.texi: Document x87regparm function attribute.
2884 * doc/invoke.texi: Document -mx87regparm.
2886 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2888 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2889 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2890 arg MODE; all callers changed. Use it to determine validity per
2891 machine mode instead of using Pmode for all memory references.
2892 (get_address_cost): Likewise add and use new arg MEM_MODE.
2894 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2895 J"orn Rennecke <joern.rennecke@st.com>
2897 * combine.c (likely_spilled_retval_1): Fix masking operation.
2898 (likely_spilled_retval_p): Use proper pattern for call to
2899 likely_spilled_retval_1.
2901 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2903 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2905 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2906 that tests for CONSTANT_POOL_ADDRESS_P.
2908 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2910 PR tree-optimization/29581
2911 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2912 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2913 type is different between Y and USE, create a temporary
2914 variable, initialize it at the beginning of the body bb
2915 and use it as replacement instead of Y.
2917 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2920 * gimplify.c (fold_indirect_ref_rhs): Use
2921 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2923 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2925 * expmed.c (emit_store_flag_1): New function.
2926 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2928 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2929 Use do_compare_rtx_and_jump.
2930 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2931 * arm.md (cstoresi4): New define_expand.
2932 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2933 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2934 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2936 2006-11-14 Caroline Tice <ctice@apple.com>
2938 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2939 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2941 (pubname_table): Redefine as a vector.
2942 (pubtype_table): New static global variable, defined as a vector.
2943 (pubname_table_allocated): Remove static global variable.
2944 (pubname_table_in_use): Remove static global variable.
2945 (PUBNAME_TABLE_INCREMENT): Remove constant.
2946 (size_of_pubnames): Add parameter to deal with either pubnames or
2947 pubtypes, and change code to deal with table being a vector.
2948 (add_pubname): Change to deal with table being a vector.
2949 (add_pubtype): New function.
2950 (output_pubnames): Add parameter to deal with either pubnames or
2951 pubtypes, and change code to deal with table being a vector.
2952 (gen_array_type_die): Add call to add_pubtype.
2953 (gen_enumeration_type_die): Add call to add_pubtype.
2954 (gen_struct_or_union_type_die): Add call to add_pubtype.
2955 (gen_subroutine_type_die): Add call to add_pubtype.
2956 (gen_typedef_die): Add call to add_pubtype.
2957 (dwarf2out_init): Add code to initialize pubname_table and
2958 pubtype_table vectors; also initialize debug_pubtypes_section.
2959 (prune_unused_types): Change to deal with pubnames being a vector.
2960 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2961 pubnames table to call to output_pubnames; Add code to output pubtypes
2962 table if DEBUG_PUBTYPES_SECTION is defined.
2963 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2965 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2967 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2969 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2970 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2971 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2972 movv2si_internal): Support moves between core registers.
2974 2006-11-14 Eric Christopher <echristo@apple.com>
2976 * configure: Regenerate with autoconf 2.59.
2978 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2980 Fix PR tree-optimization/27755
2982 * tree-ssa-pre.c: Update comments.
2983 (bb_bitmap_sets): Add pa_in and deferred member.
2984 (BB_DEFERRED): New macro.
2985 (maximal_set): New variable.
2986 (pre_stats): Add pa_insert member.
2987 (bitmap_set_and): Short circuit orig == dest.
2988 (bitmap_set_subtract_values): New function.
2989 (bitmap_set_contains_expr): Ditto.
2990 (translate_vuses_through_block): Add phiblock argument.
2991 (dependent_clean): New function.
2992 (compute_antic_aux): Update for maximal_set changes.
2993 (compute_partial_antic_aux): New function.
2994 (compute_antic): Handle partial anticipation.
2995 (do_partial_partial_insertion): New function.
2996 (insert_aux): Handle partial anticipation.
2997 (add_to_sets): Add to maximal set.
2998 (compute_avail): Ditto.
2999 (init_pre): Initialize maximal_set.
3000 (execute_pre): Do partial anticipation if -O3+.
3002 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3004 PR rtl-optimization/29798
3006 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3007 TARGET_INSN before any other check.
3008 (fwprop_init): Always calculate dominators.
3009 (fwprop_done): Always free them.
3011 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3013 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3016 2006-11-13 DJ Delorie <dj@redhat.com>
3018 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3019 temporary for intermediates.
3021 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3023 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3024 (sh_optimize_target_register_callee_saved): #if 0 the code
3025 using NOTE_INSN_LOOP_{BEG,END}.
3027 2006-11-13 Roger Sayle <roger@eyesopen.com>
3029 * fold-const.c (optimize_bit_field_compare): Recursively call
3030 fold when simplifying non-constant comparisons between bit-fields.
3032 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3034 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3036 * configure: Rebuilt.
3038 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3040 * config/rs6000/cell.md: New file.
3041 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3043 (ppccell_cost): New cost matrix.
3044 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3045 (rs6000_override_options): Set rs6000_always_hint to false
3046 for cell. Also align functions/lables/loops to 8byte
3047 for the Cell. Use PROCESSOR_CELL.
3048 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3049 using_mtcr_multiple.
3050 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3051 on the Cell, return 0.
3052 (rs6000_adjust_cost): Add Cell cost adjustments.
3053 (is_microcoded_insn): Return true for Cell microcoded
3055 (is_nonpipeline_insn): New function.
3056 (rs6000_issue_rate): Add PROCESSOR_CELL.
3057 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3059 (rs6000_use_sched_lookahead_guard): New function.
3060 (rs6000_sched_reorder): Reorder the ready list, if the second
3061 to last ready insn is a nonepipeline insn on the Cell.
3062 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3063 (ASM_CPU_SPEC): Add Cell.
3064 * config/rs6000/rs6000.md (cpu): Add Cell.
3065 (cell_micro): New Attr.
3068 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3070 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3072 * configure: Rebuilt.
3074 2006-11-13 Richard Guenther <rguenther@suse.de>
3076 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3078 (ix86_expand_lfloorceil): Likewise.
3079 (ix86_expand_rint): Likewise.
3080 (ix86_expand_floorceildf_32): Likewise.
3081 (ix86_expand_floorceil): Likewise.
3082 (ix86_expand_rounddf_32): Likewise.
3083 (ix86_expand_truncdf_32): Likewise.
3084 (ix86_expand_round): Likewise.
3086 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3087 Mark Mitchell <mark@codesourcery.com>
3089 * gcc.c: Organize search path variables into $prefix relative,
3090 and well-known native. Add comments.
3091 (add_sysrooted_prefix): Add comment.
3092 (process_command): If !gcc_exec_prefix add $prefix based paths.
3093 If *cross_compile == '0', add native well-known paths.
3094 Assert tooldir_base_prefix is always relative.
3095 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3096 use this value for 'install:' path.
3097 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3099 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3101 * config/i386/i386.c: Fix a typo in comment.
3103 2006-11-13 Michael Matz <matz@suse.de>
3105 * genemit.c (gen_expand): Allocate enough memory.
3107 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3109 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3110 __GXX_TYPEINFO_EQUALITY_INLINE but not
3111 __GXX_MERGED_TYPEINFO_NAMES.
3112 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3113 __GXX_MERGED_TYPEINFO_NAMES.
3114 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3115 __GXX_TYPEINFO_EQUALITY_INLINE.
3117 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3118 Zdenek Dvorak <dvorakz@suse.cz>
3120 PR tree-optimization/29680
3121 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3124 2006-11-12 Jason Merrill <jason@redhat.com>
3125 Andrew Pinski <pinskia@physics.uc.edu>
3128 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3130 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3132 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3133 * tree.c (build_vector): Handle non-_CST elements.
3135 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3137 * genemit.c (gen_insn): Call gen_exp with a non-null used
3138 when handling multiple insns.
3139 (gen_expand): Likewise.
3140 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3141 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3142 (movsi_const_16bit+1): Copy operands[1].
3143 (call_pcrel): Copy the call_site pattern.
3144 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3146 2006-11-12 Roger Sayle <roger@eyesopen.com>
3148 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3149 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3150 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3151 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3153 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3155 Fix PR tree-optimization/29587
3156 * tree-ssa-structalias.c (process_constraint): Don't
3157 mark address taken due only to escaped vars constraint.
3159 2006-11-12 Michael Matz <matz@suse.de>
3160 Roger Sayle <roger@eyesopen.com>
3162 PR rtl-optimization/29797
3163 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3164 BITS_BIG_ENDIAN targets.
3166 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3168 * builtins.c (fold_builtin_cosh): New.
3169 (fold_builtin_1): Use it.
3170 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3171 trunc to the list of "odd" functions. Also add llrint, lrint,
3172 rint and nearbyint when flag_rounding_math is false.
3174 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3176 * tree-flow.h (name_mappings_registered_p): Declare.
3177 * tree-into-ssa.c (name_mappings_registered_p): New function.
3178 * tree-cfg.c (tree_can_merge_blocks_p): Check
3179 name_mappings_registered_p instead of need_ssa_update_p.
3181 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3183 * tree-ssa-loop.c (tree_vectorize): Return the result of
3185 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3186 if anything changed.
3187 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3188 * tree-flow.h (vectorize_loops): Declaration changed.
3190 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3192 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3194 (issue_prefetch_ref): Move assignment to write_p out of loop.
3195 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3196 SIMULTANEOUS_PREFETCHES into account.
3197 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3198 * lambda-code.c (lcm): Renamed to ...
3199 (least_common_multiple): ... and exported.
3200 * tree-flow.h (least_common_multiple): Declare.
3202 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3204 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3205 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3206 ud-chains. Handle AND_EXPR.
3207 (record_estimate): Record whether the estimate is realistic
3208 and whether it is derived from a loop exit.
3209 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3210 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3212 (compute_estimated_nb_iterations): Take only realistic bounds into
3213 account. Set estimate_state. Use double_ints.
3214 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3215 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3216 that do not have to be always executed.
3217 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3218 to determine whether to call infer_loop_bounds_from_undefined
3219 and compute_estimated_nb_iterations.
3220 (n_of_executions_at_most): Use double_ints.
3221 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3222 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3223 * double-int.c (double_int_to_tree): Improve comment.
3224 (double_int_fits_to_tree_p): New function.
3225 * double-int.h (double_int_fits_to_tree_p): Declare.
3226 * tree-data-ref.c: Include langhooks.h.
3227 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3228 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3229 (analyze_array): Do not pass estimate_only argument to
3230 analyze_array_indexes.
3231 (get_number_of_iters_for_loop): Build tree from the stored double_int
3233 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3234 (find_data_references_in_loop): Use find_data_references_in_stmt.
3235 * tree-data-ref.h (struct data_ref_loc_d): New.
3236 (get_references_in_stmt): Declare.
3237 (estimate_iters_using_array): Declaration removed.
3238 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3239 double_int. Improve comments. Add is_exit and realistic
3241 (struct loop): Changed type of estimated_nb_iterations to double_int.
3242 Added estimate_state field.
3243 (record_estimate): Declaration removed.
3245 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3247 * params.c (set_param_value): Initialize the "set" field.
3248 * params.h (struct param_info): Add "set" field.
3249 (PARAM_SET_P): New macro.
3250 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3251 L1_CACHE_LINE_SIZE): New macros.
3252 * toplev.c (DEFPARAM): Initialize the "set" field.
3253 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3254 SIMULTANEOUS_PREFETCHES): Removed.
3255 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3256 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3257 * config/sparc/sparc.c: Include params.h.
3258 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3259 L1_CACHE_LINE_SIZE parameters.
3260 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3262 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3264 * config/i386/i386.c: Include params.h.
3265 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3266 (override_options): Set SIMULTANEOUS_PREFETCHES and
3267 L1_CACHE_LINE_SIZE parameters.
3268 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3269 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3270 L1_CACHE_LINE_SIZE parameters.
3271 * config/ia64/ia64.c (ia64_optimization_options): Set
3272 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3273 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3275 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3276 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3277 * doc/invoke.texi: Document new params.
3279 2006-11-12 Roger Sayle <roger@eyesopen.com>
3281 PR tree-optimization/13827
3282 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3285 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3287 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3288 update_single_exit_for_duplicated_loops): New functions.
3289 (duplicate_loop_to_header_edge): Use
3290 update_single_exit_for_duplicated_loops.
3291 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3292 functions only with ENABLE_CHECKING.
3294 2006-11-12 Andreas Schwab <schwab@suse.de>
3296 * except.c (sjlj_emit_function_enter): Remove unused variable.
3298 2006-11-11 Roger Sayle <roger@eyesopen.com>
3300 * fold-const.c (int_binop_types_match_p): New function.
3301 (size_binop): Relax constraint that both arguments must both have
3302 exactly the same sizetype type. Instead use int_binop_types_match_p.
3303 (size_diffop): Likewise.
3305 (make_range): Use build_int_cst instead of fold_convert.
3306 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3307 integer constants of the correct type.
3308 (fold_div_compare): Likewise.
3309 (fold_single_bit_test): Likewise.
3310 (fold_binary): Likewise.
3311 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3312 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3314 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3317 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3318 non null value if the struct memory access is in the 0th
3321 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3324 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3325 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3328 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3329 instead of builtin_define for bfin and BFIN.
3331 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3333 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3336 2006-11-11 Jan Hubicka <jh@suse.cz>
3338 * extend.texi (__builtin_expect): We no longer require second argument
3340 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3341 * builtins.c (expand_builtin_expect): Simplify.
3342 (expand_builtin_expect_jump): Kill.
3343 * final.c (final_scan_insn): Do not skip the removed notes.
3344 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3345 EXPECTED_VALUE): Remove.
3346 * dojump.c (do_jump): Do not care about __builtin_expect.
3347 * predict.c (expected_value_to_br_prob): Kill.
3348 * function.c (expand_function_end): Do not expand
3349 NOTE_INSN_REPEATED_LINE_NUMBER.
3350 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3351 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3352 * cfgexpand.c (add_reg_br_prob_note): Export.
3353 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3354 expected_value_to_br_prob.
3355 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3356 * rtl.h (add_reg_br_prob_note): Declare.
3358 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3360 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3362 2006-11-11 Jan Hubicka <jh@suse.cz>
3364 * predict.c (predict_loops): Kill RTL variant.
3366 2006-11-11 Jan Hubicka <jh@suse.cz>
3368 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3369 * modulo-sched.c (find_line_note): Remove.
3370 (loop_canon_p): Do not worry about line number notes.
3371 (sms_schedule): Likewise.
3372 * cse.c (cse_main): Likewise.
3373 * regmove.c (fixup_match_1): Likewise
3374 * function.c (emit_return_info_block): Likewise.
3375 (expand_function_end): Likewise.
3376 (thread_prologue_an_epilogue_insns): Likewise.
3377 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3379 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3380 emit_note_copy_after): Kill.
3381 (emit_note_copy): Do not worry about line numbers.
3382 * jump.c (purge_line_number_notes): Kill.
3383 (pass_purge_lineno_notes): Kill.
3384 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3386 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3387 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3388 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3389 * tree-pass.h (pass_purge_lineno_notes): Kill.
3390 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3391 rm_redundant_line_notes.
3392 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3393 rm_redundant_line_notes.
3394 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3395 * haifa-sched.c: Update comment about handling notes.
3396 (unlink_line_notes): Kill.
3397 (rm_line_notes): Kill.
3398 (save_line_notes): Simplify.
3399 (rm_redundant_line_notes): Kill.
3401 2006-11-11 Richard Guenther <rguenther@suse.de>
3403 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3404 Remove unused tree codes.
3405 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3406 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3407 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3408 * tree.c (stabilize_reference): Likewise.
3409 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3410 fold_unary): Likewise.
3411 * tree-gimple.c (is_gimple_cast): Likewise.
3412 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3413 * expr.c (expand_expr_real_1): Likewise.
3414 * tree-eh.c (tree_could_trap_p): Likewise.
3415 * gimplify.c (gimplify_expr): Likewise.
3416 * tree-inline.c (estimate_num_insns_1): Likewise.
3417 * tree-cfg.c (verify_expr): Likewise.
3419 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3421 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3422 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3423 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3425 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3428 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3429 constraints accept neither registers or memories.
3431 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3433 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3434 (NO_PROFILE_COUNTERS): Define as 1.
3436 2006-11-10 Roger Sayle <roger@eyesopen.com>
3438 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3439 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3441 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3443 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3445 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3447 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3448 (fold_builtin_hypot): Likewise.
3449 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3451 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3453 2006-11-10 Roger Sayle <roger@eyesopen.com>
3455 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3456 when attempting to build INTEGER_CSTs of non-integral types.
3457 * expmed.c (make_tree): Use the correct type, i.e. the inner
3458 type, when constructing the individual elements of a CONST_VECTOR.
3460 2006-11-10 Jan Hubicka <jh@suse.cz>
3462 * cse.c (cse_process_notes): Copy the propagated value.
3463 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3465 * gcse.c (try_replace_reg): Copy the replacement.
3466 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3467 (assign_386_stack_local): Always return copied memory expression
3468 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3471 2006-11-10 Jan Hubicka <jh@suse.cz>
3473 * final.c (final): Walk from first instruction.
3474 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3476 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3479 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3481 (umulv8hi3_highpart): Ditto.
3482 (vec_widen_smult_hi_v8hi): New expander.
3483 (vec_widen_smult_lo_v8hi): Ditto.
3485 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3488 * builtins.c (do_mpfr_arg3): New.
3489 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3491 2006-11-09 Eric Christopher <echristo@apple.com>
3496 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3497 * config.gcc (powerpc64-*-darwin*): New target.
3498 * config.host: Ditto.
3499 * config/rs6000/darwin64.h: New file.
3500 * config/rs6000/x-darwin64: Ditto.
3501 * config/rs6000/host-ppc64-darwin.c: Ditto.
3503 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3505 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3506 routines for integer division.
3508 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3510 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3512 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3515 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3517 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3519 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3520 simplify_subreg with BLKmode outer mode.
3522 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3524 * doc/invoke.texi: Minor formatting fixes in option lists.
3526 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3528 PR tree-optimization/29738
3529 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3530 (ccp_lattice_t): Remove UNKNOWN_VAL.
3531 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3532 Do not handle UNKNOWN_VAL.
3533 (get_default_value): Set initial value of virtual operands to
3535 (get_value): Always use get_default_value on uninitialized
3537 (set_value_varying, surely_varying_stmt_p): New functions.
3538 (set_lattice_value): Do not pass argument to get_value.
3539 Do not handle UNKNOWN_VAL.
3540 (likely_value): Follow the semantics described in the comment.
3541 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3542 phi nodes DONT_SIMULATE_AGAIN.
3543 (ccp_fold): Do not pass argument to get_value.
3544 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3547 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3549 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3550 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3552 2006-11-08 Roger Sayle <roger@eyesopen.com>
3554 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3555 test for inclusion rather than as a test for exclusion.
3556 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3557 the condition after calling fold_binary.
3558 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3559 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3560 * builtins.c (fold_builtin_isascii): Likewise.
3561 (fold_builtin_isdigit): Likewise.
3563 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3565 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3566 * configure: Regenerate.
3568 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3570 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3571 enum argument instead of bool.
3572 (vect_analyze_operations): Call vectorizable_type_promotion.
3573 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3574 stmt_vec_info_type value.
3575 (supportable_widening_operation, vectorizable_type_promotion): New
3576 function declarations.
3577 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3578 (vectorizable_type_promotion): New function.
3579 (vect_transform_stmt): Call vectorizable_type_promotion.
3580 * tree-vect-analyze.c (supportable_widening_operation): New function.
3581 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3583 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3586 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3587 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3588 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3590 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3591 * expr.c (expand_expr_real_1): Likewise.
3592 * optabs.c (optab_for_tree_code): Likewise.
3593 (init_optabs): Initialize new optabs.
3594 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3595 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3596 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3597 vec_unpacku_lo_optab): Initialize new optabs.
3598 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3599 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3600 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3602 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3603 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3604 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3605 (vec_unpacku_lo_optab): New optabs.
3606 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3607 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3608 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3609 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3610 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3611 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3613 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3614 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3615 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3616 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3617 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3618 implement the unsigned unpacking patterns.
3619 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3620 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3621 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3622 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3623 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3624 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3625 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3626 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3627 multiplication patterns.
3629 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3630 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3631 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3632 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3633 (rs6000_builtin_mul_widen_odd): New.
3634 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3635 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3636 * tree-vectorizer.h (enum vect_relevant): New enum type.
3637 (_stmt_vec_info): Field relevant chaned from bool to enum
3639 (STMT_VINFO_RELEVANT_P): Updated.
3640 (STMT_VINFO_RELEVANT): New.
3641 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3642 instead of STMT_VINFO_RELEVANT_P.
3643 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3644 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3645 and boolean variable with enum vect_relevant.
3646 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3647 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3648 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3650 2006-11-08 Richard Henderson <rth@redhat.com>
3652 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3653 vec_widen_umult_lo_v8hi): New.
3654 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3655 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3657 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3658 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3659 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3660 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3661 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3662 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3663 vec_unpacks_lo_v4si): New.
3665 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3667 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3668 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3669 (vect_analyze_operations): Call vectorizable_type_demotion.
3670 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3671 stmt_vec_info_type value.
3672 (vectorizable_type_demotion): New function declaration.
3673 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3676 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3677 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3679 * tree-iniline.c (estimate_num_insns_1): Likewise.
3680 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3681 * optabs.c (optab_for_tree_code): Likewise.
3683 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3684 compared against the predicate of the result is not 'mode' (the input
3685 to the function) but a mode with half the size of 'mode'.
3686 (init_optab): Initialize new optabs.
3687 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3689 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3691 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3692 (vec_pack_usat_optab): Initialize new optabs.
3693 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3694 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3696 2006-11-08 Richard Henderson <rth@redehat.com>
3698 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3699 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3700 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3701 (vec_interleave_highv4si, vec_interleave_lowv4si):
3702 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3704 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3706 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3708 (vect_transform_stmt): Removed redundant code.
3710 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3712 * tree-vect-transform.c (vectorizable_operation): Support multiple
3715 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3717 * tree-vect-transform.c (vect_align_data_ref): Removed.
3718 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3719 Updated function documentation. Return the increment stmt in ptr_incr.
3720 (bump_vector_ptr): New function.
3721 (vect_get_vec_def_for_stmt_copy): New function.
3722 (vect_finish_stmt_generation): Create a stmt_info to newly created
3724 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3726 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3727 VF is greater than the number of elements that can fit in one vector
3729 (vectorizable_operation, vectorizable_condition): Likewise.
3730 (vectorizable_store, vectorizable_load): Support the case that the VF
3731 is greater than the number of elements that can fit in one vector word.
3732 (vect_transform_loop): Don't fail in case of multiple data-types.
3733 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3734 in case of multiple data-types; the smallest type determines the VF.
3735 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3736 if they are of different sizes.
3737 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3738 number of elements rather than number of bytes.
3739 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3740 (vect_can_advance_ivs_p): Fix a dump printout
3742 2006-11-07 Eric Christopher <echristo@apple.com>
3744 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3745 (__bswapsi2): Ditto.
3746 * libgcc2.h: Remove transformation of bswap routines.
3747 * config/i386/i386.md (bswapsi2): New.
3750 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3752 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3753 (handle_gnu_inline_attribute): New function.
3754 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3755 (merge_decls, start_decl, start_function): Likewise.
3756 * doc/extend.texi: Document gnu_inline attribute.
3758 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3761 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3762 _fixunstfdi, and _floatditf
3764 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3766 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3768 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3769 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3770 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3771 which start in an odd register.
3773 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3775 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3777 2006-11-07 Josh Conner <jconner@apple.com>
3779 * doc/invoke.texi (fstrict-aliasing): Move implementation
3781 * doc/tree-ssa.texi (Alias analysis): ...here.
3783 2006-11-07 Richard Guenther <rguenther@suse.de>
3785 PR tree-optimization/29610
3786 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3787 of tree_purge_dead_eh_edges as it may free dominators.
3789 * g++.dg/other/pr29610.C: New testcase.
3791 2006-11-07 David Ung <davidu@mips.com>
3793 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3794 costs when optimizing for size.
3795 (override_options): Use mips_rtx_cost_optimize_size table for cost
3798 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3800 * gcc.c (process_command): Treat -b as normal switch if its argument
3803 2006-11-07 David Ung <davidu@mips.com>
3805 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3808 2006-11-06 Eric Christopher <echristo@apple.com>
3810 * config.gcc: Add x86_64-darwin host support.
3811 * config.host: Ditto.
3812 * config/i386/darwin64.h: New file.
3813 * config/i386/t-darwin64: Ditto.
3815 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3817 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3818 and output-exists-not.
3820 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3823 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3824 checking for overflow.
3826 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3828 * configure.ac: Fixed typo in case statement: :: changed to ;;
3830 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3832 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3833 count_leading_zeros, and count_trailing_zeros.
3834 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3835 (TARGET_FOLD_BUILTIN): Define.
3836 (TARGET_EXPAND_BUILTIN): Define.
3837 (xtensa_init_builtins): New.
3838 (xtensa_fold_builtin): New.
3839 (xtensa_expand_builtin): New.
3840 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3841 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3842 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3843 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3844 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3845 (any_extend): New code macro.
3846 (u, su): New code attributes.
3847 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3848 (nsau): Remove; replaced by clzsi2.
3849 (ffssi2): Use clzsi2.
3850 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3851 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3852 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3853 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3854 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3856 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3858 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3860 * config/arm/t-strongarm-elf: Likewise.
3861 * config/arm/t-pe: Likewise.
3862 * config/arm/t-arm-elf: Likewise.
3863 * config/arm/t-xscale-elf: Likewise.
3864 * config/arm/t-arm-coff: Likewise.
3865 * config/arm/t-xscale-coff: Likewise.
3866 * config/arm/t-wince-pe: Likewise.
3868 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3870 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3873 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3876 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3879 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3882 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3883 as a valid 80387 constant.
3884 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3885 * config/i386/i386.md (unnamed splitter): Split the load of
3886 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3889 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3891 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3892 from the soft-frame, argument and virtual registers.
3894 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3896 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3897 patterns for standard 80387 constants.
3899 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3900 Steven Bosscher <steven@gcc.gnu.org>
3902 * fwprop.c: New file.
3903 * Makefile.in: Add fwprop.o.
3904 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3905 * passes.c (init_optimization_passes): Schedule forward propagation.
3906 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3908 * timevar.def (TV_FWPROP): New.
3909 * common.opt (-fforward-propagate): New.
3910 * opts.c (decode_options): Enable forward propagation at -O2.
3911 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3912 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3913 canon_for_address, table_size): Remove.
3914 (new_basic_block, insert, remove_from_table): Remove references to
3916 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3917 simplification loop more straightforward by not calling fold_rtx
3919 (equiv_constant): Move here a small part of fold_rtx_subreg,
3920 do not call fold_rtx. Call avoid_constant_pool_reference
3922 * recog.h (canonicalize_change_group): New.
3924 * doc/invoke.texi (Optimization Options): Document fwprop.
3925 * doc/passes.texi (RTL passes): Document fwprop.
3927 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3929 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3930 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3931 (grokdeclarator): Likewise.
3933 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3935 * tree-dump.c (dump_enable_all): Rename local variable
3936 ir_type to avoid name conflicts.
3937 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3938 instead of using ir_type().
3939 * profile.c (tree_register_profile_hooks): Likewise.
3940 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3941 * basic-block.h (struct edge_def): Likewise.
3942 * config/arm/arm.c (legitimize_pic_address): Likewise.
3943 * coretypes.h (ir_type): New enum of all intermediate languages
3945 * cfghooks.c (ir_type): Rename to...
3946 (current_ir_type): ...this. Distinguish between cfgrtl and
3947 cfglayout mode when the current IR is RTL. Return enum ir_type.
3948 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3950 2006-11-03 Paul Brook <paul@codesourcery.com>
3952 * config/arm/arm.c (arm_file_start): New function.
3953 (TARGET_ASM_FILE_START): Define.
3954 (arm_default_cpu): New variable.
3955 (arm_override_options): Set arm_default_cpu.
3957 2006-11-03 David Ung <davidu@mips.com>
3959 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3960 PROCESSOR_24KC and PROCESSOR_24KF.
3961 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3962 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3963 (mips_rtx_cost_data): Add costs for the 24kc.
3964 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3965 * config/mips/24k.md: Remove references to 24k and replace with
3966 uses of 24kc/24kf in the appropriate reservations.
3967 * doc/invoke.texi (MIPS Options): Updated.
3969 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3971 * config/sh/crt1.asm: Fix #ifdef indent.
3973 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3974 Merged from STMicroelectronics sources:
3975 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3976 * config/sh/crt1.asm (vbr_600): Add missing #if.
3977 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3978 * sh.opt (mfused-madd): New option.
3979 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3980 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3981 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3982 Remove pointless handler at VBR+0.
3983 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3984 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3985 fr7. Make sure the timer handler is called with the correct FPU
3986 precision setting, according to the ABI.
3987 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3988 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3989 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3990 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3991 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3992 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3993 zero as second operand.
3994 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3995 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3996 Fixed some bugs related to negative values, in particular -0
3997 and overflow at -0x80000000.
3998 * config/sh/divcost-analysis: Added sh4-300 figures.
3999 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4000 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4001 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4002 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4003 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4004 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4006 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4008 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4009 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4010 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4011 mac_mem, mem_mac, dfp_mul, fp_cmp.
4012 (insn_class, dfp_comp, any_fp_comp): Update.
4013 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4014 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4015 (muldf3_i): Likewise.
4016 (movsi_i): Split rI08 alternative into two separate alternatives.
4018 (movsi_ie, movsi_i_lowpart): Likewise.
4019 (movqi_i): Split ri alternative into two separate alternatives.
4021 * sh1.md (sh1_load_store, sh1_fp): Update.
4022 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4023 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4024 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4025 (sh4a_fp_double_arith): Likewise.
4026 * sh4-300.md: New file.
4027 * sh.c (sh_handle_option): Handle m4-300* options.
4028 (sh_adjust_cost): Fix latency of auto-increments.
4029 Handle SH4-300 differently than other SH4s. Check for new insn types.
4030 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4031 been set by an option.
4032 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4033 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4034 (mbranch-cost=): Likewise.
4035 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4037 * sh.md (mulsf3): Remove special expansion code.
4038 (mulsf3_ie): Now a define_insn_and_split.
4039 (macsf3): Allow for TARGET_SH4.
4041 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4042 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4043 (expand_cbranchdi4): Likewise.
4044 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4045 CONST_DOUBLE if the outer code is COMPARE.
4046 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4047 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4048 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4049 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4050 Remove redundant fp_{zero,one}_operand checks.
4051 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4052 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4053 (expand_cbranchdi4): Likewise.
4054 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4055 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4057 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4059 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4062 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4064 * doc/invoke.texi: Fix mfp-trap-mode typo.
4066 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4068 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4069 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4070 file_end_indicate_exec_stack.
4071 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4073 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4074 for a non-executable stack.
4075 * crti.asm: Likewise.
4076 * crtn.asm: Likewise.
4077 * libunwind.S: Likewise.
4079 2006-11-02 Ben Elliston <bje@au.ibm.com>
4081 * tree-ssa.c (warn_uninit): Use expand_location variables for
4082 locus and declaration locus.
4084 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4087 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4088 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4089 cmp{eq,gt,gtu}{si,di}_media.
4090 (*cmpne0si_media): Remove.
4091 (*movsicc_umin): Adjust gen_cmp*_media call.
4092 (unordered): Change the mode of unordered and operands[1] to
4094 (seq): Adjust gen_cmp*_media calls. Make the mode of
4095 a temporary result of compare SImode if needed. If the mode
4096 of operands[0] is DImode, extend the temporary result to DImode.
4097 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4098 (sunorderd): Change the mode of match_operand and unorderd to
4100 (cmpeq{sf,df}_media): Remove.
4101 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4102 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4103 and compare operation to SImode.
4105 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4107 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4109 (sparc64-sun-solaris2*): Likewise.
4111 2006-11-02 Paul Brook <paul@codesourcery.com>
4113 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4114 from priority argument. Use different section for non-default
4116 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4118 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4121 * except.c (switch_to_exception_section): Do not cache the section
4122 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4123 and flag_function_sections is set.
4125 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4128 * builtins.c (do_mpfr_sincos): New.
4129 (fold_builtin_1): Use it to fold builtin sincos.
4131 2006-11-01 Roger Sayle <roger@eyesopen.com>
4133 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4134 it into -D_REENTRANT.
4136 2006-11-01 Roger Sayle <roger@eyesopen.com>
4138 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4139 whether the assembler supports taking the difference of symbols in
4140 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4141 * configure: Regenerate.
4142 * config.in: Regenerate.
4143 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4144 the assembler doesn't support taking the difference of symbols in
4145 different sections, i.e. we're using the native solaris assembler.
4147 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4148 Peter Bergner <bergner@vnet.ibm.com>
4150 * doc/invoke.texi: Add cpu_type power6x
4151 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4152 * config.gcc: Add cpu_type power6x.
4153 * configure.ac: Add test for mf{t,f}gpr instructions.
4154 (HAVE_AS_MFPGPR): New.
4155 * config.in: Regenerate.
4156 * configure: Regenerate.
4157 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4158 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4159 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4160 and mftgpr attributes.
4161 (define_attr "cpu"): Add power6.
4162 Change instruction sequences to use new attributes.
4163 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4164 (fix_truncdfsi2_mfpgpr): New.
4165 (floatsidf_ppc64_mfpgpr): New.
4166 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4167 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4168 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4169 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4170 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4171 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4172 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4173 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4174 cntlz,exts and var_delayed_compare.
4175 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4176 _ARCH_PWR6X, if features enabled.
4177 * config/rs6000/rs6000.opt (mmfpgpr): New.
4178 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4179 (cached_can_issue_more): New variable.
4180 (processor_costs): Add power6_cost.
4181 (rs6000_sched_init): New function.
4182 (is_dispatch_slot_restricted): Deleted.
4183 (set_to_load_agen): New function.
4184 (is_load_insn,is_store_insn): New functions.
4185 (adjacent_mem_locations): New function.
4186 (insn_must_be_first_in_group): New function.
4187 (insn_must_be_last_in_group): New function.
4188 (rs6000_sched_reorder): New function.
4189 (rs6000_sched_reorder2): New function.
4190 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4191 TARGET_SCHED_REORDER2): Define.
4192 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4193 Add power6x. Add MASK_MFPGPR for power6x.
4194 (POWERPC_MASKS): Add MASK_MFPGPR.
4195 (rs6000_override_options): Set rs6000_always_hint to false
4196 for power6. Set rs6000_align_branch_targets. Replace
4197 rs6000_sched_groups check with rs6000_align_branch_targets.
4198 Use PROCESSOR_POWER6.
4199 (last_scheduled_insn): New variable.
4200 (load_store_pendulum): New variable.
4201 (rs6000_variable_issue): Set last_scheduled_insn and
4202 cached_can_issue_more.
4203 (rs6000_adjust_cost): Add power6 cost adjustments.
4204 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4205 with insn_must_be_first_in_group. Add power6 priority adjustments.
4206 (rs6000_issue_rate): Add CPU_POWER6.
4207 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4208 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4209 (TARGET_MFPGPR): New.
4210 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4211 (ASM_CPU_SPEC): Add power6x.
4212 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4214 * config/rs6000/power6.md: New file.
4216 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4218 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4219 HOST_WIDE_INT_PRINT to print high and low parts. Use
4220 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4221 printing a hexadecimal number prefix it with 0x.
4223 2006-11-01 Chris Johns <chris@contemporary.net.au>
4226 * Makefile.in (install-driver): Use exeext when installing
4227 $target-gcc-$version.
4229 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4231 * c-common.c (flag_cpp0x): New.
4232 * c-common.h (flag_cpp0x): New.
4233 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4234 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4235 * c-opts.c (set_std_cxx0x): New.
4236 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4237 * c.opt (std=c++0x): Document.
4238 (std=gnu++0x): Ditto.
4239 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4240 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4242 2006-11-01 Richard Guenther <rguenther@suse.de>
4244 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4246 (ix86_expand_floorceildf_32): Likewise.
4247 (ix86_expand_floorceil): Likewise.
4248 (ix86_expand_trunc): Likewise.
4250 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4252 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4255 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4257 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4259 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4261 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4263 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4264 * configure.ac (use_cxa_atexit): As a special case, don't test
4265 for libc definition of __cxa_atexit on mingw32
4266 * configure: Regenerate.
4267 * config.gcc (i[34567]86-pc-mingw32): Default to
4268 enable__cxa_atexit=yes.
4270 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4272 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4274 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4277 * c-decl.c (start_struct): Don't create self-containing
4279 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4281 * config/rs6000/rs6000-protos.h
4282 (darwin_rs6000_special_round_type_align): New.
4283 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4284 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4286 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4288 * toplev.c (compile_file): Call final_write_globals
4289 even if there have been errors.
4291 2006-10-31 Eric Christopher <echristo@apple.com>
4292 Falk Hueffner <falk@debian.org>
4294 * doc/extend.texi (__builtin_bswap32): Document.
4295 (__builtin_bswap64): Ditto.
4296 * doc/libgcc.texi (bswapsi2): Document.
4298 * doc/rtl.texi (bswap): Document.
4299 * optabs.c (expand_unop): Don't widen a bswap.
4300 (init_optabs): Init bswap. Set libfuncs explicitly
4301 for bswapsi2 and bswapdi2.
4302 * optabs.h (OTI_bswap): New.
4303 (bswap_optab): Ditto.
4304 * genopinit.c (optabs): Handle bswap_optab.
4305 * tree.h (tree_index): Add TI_UINT32_TYPE and
4307 (uint32_type_node): New.
4308 (uint64_type_node): Ditto.
4309 * tree.c (build_common_tree_nodes_2): Initialize
4310 uint32_type_node and uint64_type_node.
4311 * builtins.c (expand_builtin_bswap): New.
4312 (expand_builtin): Call.
4313 (fold_builtin_bswap): New.
4314 (fold_builtin_1): Call.
4315 * fold-const.c (tree_expr_nonnegative_p): Return true
4317 * builtin-types.def (BT_UINT32): New.
4319 (BT_FN_UINT32_UINT32): Ditto.
4320 (BT_FN_UINT64_UINT64): Ditto.
4321 * builtins.def (BUILT_IN_BSWAP32): New.
4322 (BUILT_IN_BSWAP64): Ditto.
4323 * rtl.def (BSWAP): New.
4324 * genattrtab.c (check_attr_value): New.
4325 * libgcc2.c (__bswapSI2): New.
4326 (__bswapDI2): Ditto.
4327 * libgcc2.h (__bswapSI2): Declare.
4328 (__bswapDI2): Ditto.
4329 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4330 * simplify-rtx.c (simplify_const_unary_operation): Return
4332 * libgcc-std.ver (__bwapsi2): Add.
4333 (__bswapdi2): Ditto.
4334 * reload1.c (eliminate_regs_1): Add bswap.
4335 (elimination_effects): Ditto.
4336 * config/i386/i386.h (x86_bswap): New.
4337 (TARGET_BSWAP): Use.
4338 * config/i386/i386.c (x86_bswap): Set.
4340 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4342 * coverage.c (coverage_checksum_string): Update comment.
4343 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4344 of get_file_function_name.
4345 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4346 of get_file_function_name_long.
4347 * tree.c (get_file_function_name): Rename from
4348 get_file_function_name_long; improve comment; handle 'I' and 'D'
4349 specially when the target has ctor/dtor support; remove special
4351 (get_file_function_name): Remove.
4352 * tree.h (get_file_function_name): Rename from
4353 get_file_function_name_long.
4354 (get_file_function_name): Remove prototype.
4356 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4358 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4359 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4361 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4362 Call dsymutil when compiling and linking one or more source files
4365 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4368 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4370 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4372 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4373 inline static functions in c99 mode.
4376 * doc/extend.texi (Inline): Update.
4377 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4378 * c-decl.c (current_extern_inline): Delete.
4379 (pop_scope): Adjust test for an undefined nested function.
4380 Add warning about undeclared inline function.
4381 (diagnose_mismatched_decls): Update comments. Disallow overriding
4382 of inline functions in a translation unit in C99. Allow inline
4383 declarations in C99 at any time.
4384 (merge_decls): Boolize variables. Handle C99 'extern inline'
4386 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4387 C99 inline semantics.
4388 (start_function): Don't clear current_extern_inline. Don't set
4390 (c_push_function_context): Don't push current_extern_inline.
4391 (c_pop_function_context): Don't restore current_extern_inline.
4394 * c-typeck.c (build_external_ref): Warn about static variables
4395 used in extern inline functions.
4396 * c-decl.c (start_decl): Warn about static variables declared
4397 in extern inline functions.
4399 2006-10-31 Roger Sayle <roger@eyesopen.com>
4402 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4403 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4404 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4405 or y is an even integer.
4407 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4410 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4411 * gthr-posix95.h (__gthread_active_p): Likewise.
4413 2006-10-31 Richard Guenther <rguenther@suse.de>
4415 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4416 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4417 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4418 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4419 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4420 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4421 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4422 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4425 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4427 * opts.c (decode_options): Disable CSE skip blocks.
4429 2006-10-30 Dirk Mueller <dmueller@suse.de>
4431 * c-common.h (strict_aliasing_warning): Fix whitespace.
4432 * c-decl (start_function): Move code for main decl warning ..
4433 * c-common.c (check_main_parameter_types): .. here.
4434 * c-common.h (check_main_parameter_types): Declare.
4436 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4439 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4441 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4443 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4444 be a PARALLEL containing sets. Return false when out_pat is not
4447 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4449 * config/mips/mips.md (mul<mode>3): Split into...
4450 (mulsi3, muldi3): ...these separate patterns.
4452 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4454 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4455 but with each set of options separated by spaces.
4457 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4459 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4460 dwarf_reg_size_table has been initialized.
4462 2006-10-30 Roger Sayle <roger@eyesopen.com>
4464 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4465 * ddg.c (print_ddg_edge): Likewise.
4466 * dwarf2out.c (prune_unused_types_walk): Likewise.
4467 * ifcvt.c (noce_try_cmove_arith): Likewise.
4468 * langhooks.c (add_builtin_function): Likewise.
4469 * reg-stack.c (subst_stack_regs_pat): Likewise.
4470 * tree.c (expanded_location): Likewise.
4471 * tree-dump.c (dequeue_and_dump): Likewise.
4473 2006-10-30 David Daney <ddaney@avtrex.com>
4475 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4477 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4479 PR tree-optimization/29637
4480 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4481 of the innertype is the innertype itself.
4483 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4485 * dwarf2out.c (file_name_acquire): Correct typo.
4487 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4489 * tree.h (tree_value_handle): Remove struct value_set declaration.
4490 Change value_set to bitmap_set.
4491 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4492 * tree-vn.c (get_value_handle): Made inline and moved to
4494 * tree-flow-inline.h: (has_stmt_ann): New function.
4495 * tree-ssa-pre.c (expressions): New variable.
4496 (next_expression_id): Ditto.
4497 (alloc_expression_id): New function.
4498 (struct value_set): Remove.
4499 (get_expression_id): New function.
4500 (get_or_alloc_expression_id): Ditto.
4501 (expression_for_id): Ditto.
4502 (clear_expression_ids): Ditto.
4503 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4504 (bb_value_sets): Renamed to bb_bitmap_sets.
4505 All value sets replaced with bitmap_sets.
4507 (BB_VISITED): New macro.
4508 (postorder): New variable.
4509 (add_to_value): Removed.
4510 (value_exists_in_set_bitmap): Ditto.
4511 (value_insert_into_set_bitmap): Ditto.
4514 (set_remove): Ditto.
4515 (set_contains_value): Ditto.
4516 (insert_into_set): Ditto.
4518 (find_leader): Ditto.
4519 (bitmap_set_subtract_from_value_set): Ditto.
4520 (value_insert_into_set): Ditto.
4521 (print_value_set): Ditto.
4522 (debug_value_set): Ditto.
4523 (constant_expr_p): New function.
4524 (bitmap_remove_from_set): Ditto.
4525 (bitmap_insert_into_set): Ditto.
4526 (bitmap_set_free): Ditto.
4527 (vh_compare): Ditto.
4528 (sorted_array_from_bitmap_set): Ditto.
4529 (bitmap_set_subtract): Ditto.
4530 (bitmap_set_equal): Ditto.
4531 (debug_bitmap_set): Ditto.
4532 (find_leader_in_sets): Ditto.
4533 (bitmap_set_replace_value): Modify for bitmapped sets.
4534 (phi_translate): Ditto.
4535 (phi_translate_set): Ditto.
4536 (bitmap_find_leader): Ditto.
4537 (valid_in_sets): Ditto.
4538 (union_contains_value): Ditto.
4540 (compute_antic_aux): Ditto. Mark changed blocks.
4541 (compute_antic): Ditto. Iterate in postorder and only over
4543 (compute_rvuse_and_antic_safe): Reuse postorder.
4544 (create_component_ref_by_pieces): Modify for bitmapped sets.
4545 (find_or_generate_expression): Ditto.
4546 (create_expression_by_pieces): Ditto.
4547 (insert_into_preds_of_block): Ditto.
4548 (changed_blocks): New variable.
4549 (do_regular_insertion): Broken out from insert_aux.
4550 (insert_aux): Modified for bitmapped sets.
4551 (find_existing_value_expr): New function.
4552 (create_value_expr_from): Use it.
4553 (insert_extra_phis): Removed.
4554 (print_bitmap_set): Renamed from bitmap_print_value_set.
4555 (compute_avail): Handle RETURN_EXPR.
4556 (init_pre): Modify for bitmapped sets.
4557 * tree-flow.h (has_stmt_ann): New function.
4559 2006-10-29 Roger Sayle <roger@eyesopen.com>
4561 * builtins.c (fold_builtin_floor): Check for the availability of
4562 the C99 trunc function before transforming floor into trunc.
4564 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4566 * builtins.c (fold_builtin_hypot): Rearrange recursive
4567 transformation before others, and also do ABS_EXPR. When
4568 necessary, check flag_unsafe_math_optimizations. When necessary,
4571 2006-10-29 Roger Sayle <roger@eyesopen.com>
4573 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4574 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4575 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4576 Fold -X eq/ne -Y as X eq/ne Y.
4578 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4580 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4581 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4582 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4583 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4584 Use an inclusive test for "mult" rather than "mul".
4585 (rotr<mode>3): Depend on ISA_HAS_ROR.
4586 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4588 (GENERATE_MULT3_DI): Delete.
4589 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4590 (ISA_HAS_MUL3): New macro.
4591 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4592 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4593 (ISA_HAS_CLZ_CLO): Likewise.
4594 (ISA_HAS_DCLZ_DCLO): Delete.
4595 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4596 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4597 the VR4120 and VR4130.
4598 (ISA_HAS_MACCHI): Use consistent formatting.
4599 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4600 (ISA_HAS_ROR): ...this new macro.
4601 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4602 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4603 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4605 2006-10-29 Roger Sayle <roger@eyesopen.com>
4607 PR tree-optimization/15458
4608 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4611 2006-10-29 Richard Guenther <rguenther@suse.de>
4613 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4614 (ix86_expand_truncdf_32): Likewise.
4615 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4616 trunc inline for SSE math and -fno-trapping-math and if not
4617 optimizing for size.
4618 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4619 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4620 for expanding btrunc inline for SSE math.
4622 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4624 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4625 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4626 i[34567]86-*-solaris2.1[0-9]*.
4627 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4628 Define conditionally depending on TARGET_64BIT_DEFAULT.
4629 (SPEC_32, SPEC_64): Define.
4630 (LINK_SPEC): Use them.
4631 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4633 2006-10-29 Richard Guenther <rguenther@suse.de>
4635 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4636 (ix86_expand_rounddf_32): Likewise.
4637 * config/i386/i386.c (ix86_expand_round): New function expanding
4638 round inline for SSE math and -fno-trapping-math and if not
4639 optimizing for size.
4640 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4641 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4642 round via ix86_expand_round.
4644 2006-10-29 Richard Guenther <rguenther@suse.de>
4646 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4647 (ix86_expand_floorceildf_32): Likewise.
4648 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4649 static helper function.
4650 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4652 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4653 * config/i386/i386.md (floordf2): Adjust to enable floor
4654 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4655 -fno-trapping-math is enabled and if not optimizing for size.
4656 (floorsf2, ceildf2, ceilsf2): Likewise.
4657 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4658 (sse2_maskcmpdf3): Likewise.
4660 2006-10-29 Richard Guenther <rguenther@suse.de>
4662 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4663 rint in case -fno-trapping-math is enabled.
4664 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4665 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4666 (ix86_expand_sse_fabs): Likewise.
4667 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4668 * config/i386/i386.md (rintdf2): Enable for SSE math if
4669 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4670 (rintsf2): Likewise.
4672 2006-10-29 Richard Guenther <rguenther@suse.de>
4674 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4675 to conversion optabs.
4676 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4677 as conversion optab.
4678 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4679 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4680 (lfloor_optab, lceil_optab): Adjust defines.
4681 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4682 lfloor and lceil optabs now being conversion optabs.
4683 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4684 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4685 New static helper function.
4686 (ix86_expand_lfloorceil): New function to expand lfloor and
4688 * config/i386/i386.md (lfloor<mode>2): Split into ...
4689 (lfloorxf<mode>2): ... x87 variant
4690 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4691 using ix86_expand_lfloorceil.
4692 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4694 * doc/md.texi (lfloorMN, lceilMN): Document.
4696 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4698 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4699 -mno-shared assembler option on mips targets.
4700 * configure, config.in: Regenerate.
4701 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4702 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4703 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4705 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4707 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4708 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4710 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4712 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4713 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4716 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4719 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4720 (fold_builtin_pow): Evaluate constant arguments at compile-time
4722 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4723 (do_mpfr_ckconv): New helper function.
4724 (do_mpfr_arg1): Use do_mpfr_ckconv.
4725 (do_mpfr_arg2): New.
4727 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4730 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4731 (-fdump-rtl-sched): Rename to ..
4732 (-fdump-rtl-sched1): here. Also fix file extension number.
4734 2006-10-28 Richard Guenther <rguenther@suse.de>
4736 * fold-const.c (maybe_canonicalize_comparison): Fix code
4739 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4741 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4742 (NON_QI_REG_P): Use IN_RANGE.
4743 (REX_INT_REGNO_P): Use IN_RANGE.
4744 (FP_REGNO_P): Use IN_RANGE.
4745 (SSE_REGNO_P): Use IN_RANGE.
4746 (REX_SSE_REGNO_P): Use IN_RANGE.
4747 (MMX_REGNO_P): Use IN_RANGE.
4748 (STACK_REGNO_P): New macro.
4749 (STACK_REG_P): Use STACK_REGNO_P.
4750 (NON_STACK_REG_P): Use STACK_REGNO_P.
4751 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4752 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4753 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4754 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4755 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4757 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4759 * except.h (output_function_exception_table): Add 'const char*' param.
4760 * except.c (switch_to_exception_section): Add 'const char*' param.
4761 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4762 and flag_function_sections is set, use a function-specific section.
4763 (output_function_exception_table): Add 'const char*' param.
4764 Adjust call to switch_to_exception_section.
4765 * final.c (rest_of_handle_final): Adjust calls to
4766 output_function_exception_table.
4767 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4768 * config.in: Regenerate.
4769 * configure: Likewise.
4771 2006-10-28 Richard Guenther <rguenther@suse.de>
4774 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4775 for maybe_canonicalize_comparison.
4776 (maybe_canonicalize_comparison): New function for canonicalizing
4778 (fold_comparison): Call it to canonicalize comparisons with
4781 2006-10-28 Richard Guenther <rguenther@suse.de>
4784 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4785 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4786 (expand_builtin): Adjust likewise.
4787 * genopinit.c (optabs[]): Add lround optab.
4788 * optabs.c (init_optabs): Initialize lround_optab.
4789 * optabs.h (enum convert_optab_index): Add COI_lround.
4790 (lround_optab): Define.
4791 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4792 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4794 (ix86_expand_lround): New function.
4795 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4797 * doc/md.texi (lroundMN2): Document.
4799 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4802 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4803 argument to HOST_WIDE_INT. Update function prototype.
4804 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4805 "size" argument to HOST_WIDE_INT. Update function prototype.
4807 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4809 * config/i386/i386.c (output_387_ffreep): Create output from a
4810 template string for !HAVE_AS_IX86_FFREEP.
4812 2006-10-27 Eric Christopher <echristo@apple.com>
4814 * config/darwin.c: Fix formatting and grammar.
4816 2006-10-27 Jan Hubicka <jh@suse.cz>
4818 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4819 to be thrown away soon when IGNORE is set.
4820 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4821 indicating when return value shall not be computed.
4822 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4824 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4826 * config/i386/i386.h (TARGET_GEODE):
4827 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4828 (TARGET_CPU_DEFAULT_geode): New macro.
4829 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4830 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4831 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4832 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4833 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4835 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4836 (processor_type): Add PROCESSOR_GEODE.
4838 * config/i386/i386.md: Include geode.md.
4841 * config/i386/i386.c (geode_cost): New initialized global
4843 (m_GEODE, m_K6_GEODE): New macros.
4844 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4845 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4846 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4847 x86_schedule): Use m_K6_GEODE instead of m_K6.
4848 (x86_movx, x86_cmove): Set up m_GEODE.
4849 (x86_integer_DFmode_moves): Clear m_GEODE.
4850 (processor_target_table): Add entry for geode.
4851 (processor_alias_table): Ditto.
4853 * config/i386/geode.md: New file.
4855 * doc/invoke.texi: Add entry about geode processor.
4857 2006-10-27 Mike Stump <mrs@apple.com>
4859 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4860 __DYNAMIC__ from here back to ...
4861 * config/darwin.h (CPP_SPEC): ... here.
4863 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4864 Nathan Sidwell <nathan@codesourcery.com>
4866 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4867 when choosing the minimum heapsize.
4869 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4871 * gcc/unwind-dw2.h: Move cfa-related variables into
4872 struct frame_state_reg_info to ensure that the CFA is properly
4873 handled when executing DW_CFA_{remember,restore}_state.
4874 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4875 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4876 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4877 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4878 gcc/config/rs6000/linux-unwind.h,
4879 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4880 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4881 Modify to use new cfa_* fields.
4883 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4885 * config/s390/s390.c (s390_init_frame_layout): Check positive
4888 2006-10-26 Ben Elliston <bje@au.ibm.com>
4890 * gimplify.c (get_name): Remove extraneous break.
4891 (gimplify_omp_for): Initialise ret with GS_OK.
4893 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4895 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4896 Add unix98.o to link line.
4898 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4901 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4902 Calculate compile-time constants using MPFR.
4903 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4904 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4906 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4908 * config/xtensa/lib2funcs.S: Use C-style comments.
4910 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4912 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4913 (file_table_relative_p): Likewise.
4914 (dwarf2out_finish): Likewise.
4915 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4917 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4919 * tree-ssa-structalias.c (intra_create_variable_infos):
4920 Don't recreate nonlocal_all if it already exists.
4922 2006-10-25 Richard Guenther <rguenther@suse.de>
4925 * optabs.h (enum optab_index): Remove OTI_lrint.
4926 (enum convert_optab_index): Add COI_lrint.
4927 (lrint_optab): Adjust.
4928 (expand_sfix_optab): Declare.
4929 * optabs.c (expand_sfix_optab): New function.
4930 (init_optabs): Init lrint_optab as conversion optab.
4931 * genopinit.c (lrint_optab): Change to a conversion optab.
4932 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4933 expansion via conversion optab.
4934 * config/i386/i386.md (*fistdi2_1): Remove
4935 flag_unsafe_math_optimizations guard.
4936 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4937 fist<mode>2_with_temp): Likewise.
4938 (lrint<mode>2): Split into...
4939 (lrintxf<mode>2): ... x87 part
4940 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4941 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4942 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4943 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4944 * doc/md.texi (lrintMN2): Document.
4946 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4949 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4950 Use inc and dec instructions for TARGET_USE_INCDEC.
4951 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4952 ("sync_double_compare_and_swap<mode>"): Likewise.
4953 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4954 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4955 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4956 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4957 ("sync_old_add<mode>"): Likewise.
4958 ("sync_lock_test_and_set<mode>"): Likewise.
4959 ("sync_lock_test_and_set<mode>"): Likewise.
4960 ("sync_add<mode>"): Likewise.
4961 ("sync_sub<mode>"): Likewise.
4962 ("sync_ior<mode>"): Likewise.
4963 ("sync_and<mode>"): Likewise.
4964 ("sync_xor<mode>"): Likewise.
4966 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4968 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4969 (remainder_optab): Define corresponding macro.
4970 (drem_optab): Remove.
4971 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4972 drem_optab initialization.
4973 * genopinit.c (optabs): Implement remainder_optab using
4974 remainder?f3 patterns. Remove drem_optab.
4975 * builtins.c (expand_builtin_mathfn_2): Handle
4976 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4977 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4978 expand_builtin_mathfn_2.
4980 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4981 depend on flag_unsafe_math_optimizations.
4983 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4984 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4985 Do not depend on flag_unsafe_math_optimizations. Use
4986 truncxf?f expander instead of truncxf?f_i387_noop.
4988 ("fpremxf4", "fprem1xf4"): Do not depend on
4989 flag_unsafe_math_optimizations.
4990 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4991 flag_unsafe_math_optimizations. Use truncxf?f expander
4992 instead of truncxf?f_i387_noop.
4994 * doc/md.texi (fmod, remainder): Document standard named pattern.
4996 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4997 David Daney <ddaney@avtrex.com>
5000 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5002 2006-10-25 Ben Elliston <bje@au.ibm.com>
5004 * doc/extend.texi (Variable Attributes): Typo fix.
5006 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5008 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5009 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5010 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5011 (FRAME_POINTER_REGNUM): Update register number to 21.
5012 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5013 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5015 * config/i386/i386.c (regclass_map): Add fpcr entry.
5016 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5018 (print_reg): Assert REGNO (x) != FPCR_REG.
5020 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5021 (DIRFLAG_REG): Renumber.
5022 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5023 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5024 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5025 hardcoded SSE register numbers.
5027 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5028 hardcoded MMX register numbers.
5030 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5033 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5034 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5036 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5037 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5038 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5039 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5041 2006-10-24 Richard Guenther <rguenther@suse.de>
5044 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5045 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5046 for deciding optimizations in consistency with fold-const.c
5047 (fold_builtin_unordered_cmp): Likewise.
5049 2006-10-24 Richard Guenther <rguenther@suse.de>
5051 * builtins.c (fold_builtin_floor): Fold floor (x) where
5052 x is nonnegative to trunc (x).
5053 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5054 nonnegative to FIX_TRUNC_EXPR.
5056 2006-10-24 Richard Guenther <rguenther@suse.de>
5058 PR tree-optimization/29567
5059 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5060 for TRUTH_NOT_EXPR. Clarify comments.
5062 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5065 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5066 at compile-time using MPFR. Change parameter VALUE to FUNC,
5068 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5069 for overflow and underflow at all times and avoid folding in
5072 2006-10-24 Ben Elliston <bje@au.ibm.com>
5074 * reload1.c: Formatting fixes.
5076 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5078 PR tree-optimization/14784
5079 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5080 * tree-ssa-structalias.c (get_constraint_for,
5081 intra_create_variable_infos): Set is_heapvar.
5082 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5083 non-heapvar pointer variables specially.
5085 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5088 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5089 fold_builtin_tan): Fold all constant arguments. Take a "type"
5090 argument as necessary.
5091 (do_mpfr_arg1): New.
5092 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5094 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5096 * config/xtensa/lib1funcs.asm: Use C-style comments.
5098 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5100 * tree.c (local_define_builtin): Replace calls to
5101 lang_hooks.builtin_function with add_builtin_function.
5102 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5104 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5106 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5107 common code to add_builtin_function.
5108 * langhooks.c (add_builtin_function): New function.
5109 (lhd_builtin_function): New function.
5110 * langhooks.h (struct lang_hooks): Change the signature of
5112 (add_builtin_function): New function.
5113 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5114 calls to lang_hooks.builtin_function with add_builtin_function.
5115 * c-common.c (decl_builtin_1): Replace calls to
5116 lang_hooks.builtin_function with add_builtin_function.
5117 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5118 lang_hooks.builtin_function with add_builtin_function.
5119 * config/frv/frv.c (def_builtin): Replace calls to
5120 lang_hooks.builtin_function with add_builtin_function.
5121 * config/s390/s390.c (s390_init_builtins): Replace calls to
5122 lang_hooks.builtin_function with add_builtin_function.
5123 * config/sparc/sparc.c (def_builtin): Replace calls to
5124 lang_hooks.builtin_function with add_builtin_function.
5125 * config/i386/i386.c (def_builtin): Replace calls to
5126 lang_hooks.builtin_function with add_builtin_function.
5127 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5128 lang_hooks.builtin_function with add_builtin_function.
5129 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5130 lang_hooks.builtin_function with add_builtin_function.
5131 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5132 Replace calls to lang_hooks.builtin_function with
5133 add_builtin_function.
5134 * config/iq2000/iq2000.c (def_builtin):
5135 Replace calls to lang_hooks.builtin_function with
5136 add_builtin_function.
5137 * config/ia64/ia64.c (def_builtin): Replace calls to
5138 lang_hooks.builtin_function with add_builtin_function.
5139 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5140 lang_hooks.builtin_function with add_builtin_function.
5141 (altivec_init_builtins): Replace calls to
5142 lang_hooks.builtin_function with add_builtin_function.
5143 * config/arm/arm.c (def_mbuiltin): Replace calls to
5144 lang_hooks.builtin_function with add_builtin_function.
5145 (arm_init_tls_builtins): Replace calls to
5146 lang_hooks.builtin_function with add_builtin_function.
5147 * config/mips/mips.c (mips_init_builtins): Replace calls to
5148 lang_hooks.builtin_function with add_builtin_function.
5149 * config/bfin/bfin.c (def_builtin): Replace calls to
5150 lang_hooks.builtin_function with add_builtin_function.
5151 * langhooks-def.h (lhd_builtin_function): New function.
5152 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5154 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5156 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5157 BUILT_IN_STRNCAT_CHK.
5159 2006-10-23 Jan Hubicka <jh@suse.cz>
5161 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5162 don't do conversion from memmove to memcpy here.
5163 (expand_builtin_bcopy, expand_builtin): Update call of
5164 expand_builtin_memmove.
5165 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5167 2006-10-23 Paul Brook <paul@codesourcery.com>
5169 * stor-layout.c (start_record_layout): maximum_field_alignment
5170 overrides STRUCTURE_SIZE_BOUNDARY.
5172 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5174 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5175 nonlocal function symbols if flag_pic.
5177 2006-10-23 Richard Guenther <rguenther@suse.de>
5181 * builtins.c (fold_binary): Remove checks for flag_wrapv
5182 and flag_trapv where negate_expr_p covers these cases.
5184 2006-10-23 Richard Guenther <rguenther@suse.de>
5187 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5188 of two on the absolute value.
5189 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5190 and negating -C does not overflow.
5192 2006-10-23 Richard Guenther <rguenther@suse.de>
5195 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5196 only if not flag_rounding_math.
5198 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5199 Kaz Kojima <kkojima@gcc.gnu.org>
5202 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5203 SImode memory reference for the source of a movua.
5204 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5205 (movua): Use an unspec instead of sign_extract. Expect the source
5206 to have mode BLKmode.
5207 (extv, insv): Use a BLKmode rather than SImode memory reference
5208 for the source of a movua.
5210 2006-10-22 Jeff Law <law@redhat.com>
5211 Richard Guenther <rguenther@suse.de>
5213 PR tree-optimization/15911
5214 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5215 (register_edge_assert_for_1): Likewise.
5216 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5217 (find_conditional_asserts): Adjust for new function signature.
5218 (find_assert_locations): Likewise.
5220 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5222 * config/i386/tmmintrin.h: Remove the duplicated content.
5224 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5226 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5227 (x86_64-*-*): Likewise.
5229 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5230 (override_options): Check SSSE3.
5231 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5232 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5233 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5234 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5235 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5236 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5237 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5238 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5239 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5240 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5241 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5242 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5243 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5244 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5245 IX86_BUILTIN_PABSD128.
5246 (bdesc_2arg): Add SSSE3.
5247 (bdesc_1arg): Likewise.
5248 (ix86_init_mmx_sse_builtins): Support SSSE3.
5249 (ix86_expand_builtin): Likewise.
5250 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5252 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5253 (UNSPEC_PSIGN): Likewise.
5254 (UNSPEC_PALIGNR): Likewise.
5255 Include mmx.md before sse.md.
5257 * config/i386/i386.opt: Add -mssse3.
5259 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5260 (ssse3_phaddwv4hi3): Likewise.
5261 (ssse3_phadddv4si3): Likewise.
5262 (ssse3_phadddv2si3): Likewise.
5263 (ssse3_phaddswv8hi3): Likewise.
5264 (ssse3_phaddswv4hi3): Likewise.
5265 (ssse3_phsubwv8hi3): Likewise.
5266 (ssse3_phsubwv4hi3): Likewise.
5267 (ssse3_phsubdv4si3): Likewise.
5268 (ssse3_phsubdv2si3): Likewise.
5269 (ssse3_phsubswv8hi3): Likewise.
5270 (ssse3_phsubswv4hi3): Likewise.
5271 (ssse3_pmaddubswv8hi3): Likewise.
5272 (ssse3_pmaddubswv4hi3): Likewise.
5273 (ssse3_pmulhrswv8hi3): Likewise.
5274 (ssse3_pmulhrswv4hi3): Likewise.
5275 (ssse3_pshufbv16qi3): Likewise.
5276 (ssse3_pshufbv8qi3): Likewise.
5277 (ssse3_psign<mode>3): Likewise.
5278 (ssse3_psign<mode>3): Likewise.
5279 (ssse3_palignrti): Likewise.
5280 (ssse3_palignrdi): Likewise.
5281 (abs<mode>2): Likewise.
5282 (abs<mode>2): Likewise.
5284 * config/i386/tmmintrin.h: New file.
5286 * doc/extend.texi: Document SSSE3 built-in functions.
5288 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5290 2006-10-22 Ira Rosen <irar@il.ibm.com>
5292 * tree-vect-transform.c (vectorizable_load): Use the type of the
5293 return value of the mask_for_load builtin to create realign_load
5296 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5298 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5301 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5303 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5304 (UNSPEC_LDDQU): This.
5305 * config/i386/sse.md (sse3_lddqu): Updated.
5307 2006-10-21 Richard Guenther <rguenther@suse.de>
5309 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5310 (expand_builtin): Use it to expand lrint instead of
5311 expand_builtin_mathfn.
5313 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5316 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5317 flag_unsafe_math_optimizations is set.
5319 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5322 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5323 patterns to use memory input operand in x87->mem->XMM
5324 reload sequences. Skip transformation for TARGET_K8.
5326 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5328 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5329 force operand1 to register if both operands are memory operands.
5330 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5331 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5332 if both operands are memory operands.
5333 (truncdfsf2): Do not force operand1 to register if both operands
5334 are memory operands.
5336 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5338 * Makefile.in (LIBS): Add $(GMPLIBS).
5339 * doc/install.texi: Update GMP and MPFR requirements.
5340 * doc/sourcebuild.texi (need_gmp): Delete.
5342 2006-10-21 Richard Guenther <rguenther@suse.de>
5344 PR tree-optimization/3511
5345 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5346 got new invariant arguments during PHI translation.
5348 2006-10-21 Richard Guenther <rguenther@suse.de>
5351 * fold-const.c (fold_comparison): Fold signed comparisons
5352 of the form X +- C1 CMP Y +- C2.
5354 2006-10-21 Richard Guenther <rguenther@suse.de>
5357 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5358 if flag_unsafe_math_optimizations is specified. We have
5359 flag_finite_math_only for that.
5360 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5361 or flag_unsafe_math_optimizations.
5363 2006-10-21 Richard Guenther <rguenther@suse.de>
5365 * builtins.c (fold_builtin_classify): Fix typo.
5367 2006-10-21 Richard Guenther <rguenther@suse.de>
5370 * simplify-rtx.c (simplify_const_relational_operation):
5371 Do not constant-fold ORDERED and UNORDERED for
5372 flag_unsafe_math_optimizations but only we do not need to
5373 honor NaNs for the given mode.
5375 2006-10-21 Richard Guenther <rguenther@suse.de>
5378 * config/i386/i386.c (classify_argument): Remove redundant
5379 walking of the BINFOs.
5380 (contains_128bit_aligned_vector_p): Likewise.
5382 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5384 * BASE-VER: Set to 4.3.0.
5386 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5388 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5389 (tree_decl_with_vis): Remove artificial_pta_var flag.
5390 * tree-flow.h (referenced_var_check_and_insert): Expose.
5391 (nonlocal_all): New prototype.
5392 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5393 (nonlocal_all): Make global.
5394 (nonlocal_lookup): Remove.
5395 (nonlocal_insert): Ditto.
5396 (create_nonlocal_var): Do not call nonlocal_insert.
5397 (get_nonlocal_id_for_type): Remove.
5398 (find_global_initializers): Mark new vars we find for renaming.
5399 (intra_create_variable_infos): Only create one nonlocal.
5400 (expand_nonlocal_solutions): Remove.
5401 (compute_points_to_sets): Don't call it.
5402 (ipa_pta_execute): Ditto.
5403 (init_alias_heapvars): Don't create nonlocal_for_type.
5404 (delete_alias_heapvars): Don't remove it.
5405 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5408 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5410 * doc/install.texi (Downloading GCC): Clarify mention of
5411 Fortran in the "full distribution" description.
5413 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5415 Fix PR tree-optimization/28778
5416 Fix PR tree-optimization/29156
5417 Fix PR tree-optimization/29415
5418 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5419 (tree_decl_with_vis): Add artificial_pta_var flag.
5420 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5421 pushed into callers.
5422 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5423 (nonlocal_all): Ditto.
5424 (struct variable_info): Add directly_dereferenced member.
5425 (var_escaped_vars): New variable.
5426 (escaped_vars_tree): Ditto.
5427 (escaped_vars_id): Ditto.
5428 (nonlocal_vars_id): Ditto.
5429 (new_var_info): Set directly_dereferenced.
5430 (graph_size): New variable
5431 (build_constraint_graph): Use graph_size.
5432 (solve_graph): Don't process constraints that cannot change the
5433 solution, don't try to propagate an empty solution to our
5435 (process_constraint): Set directly_dereferenced.
5436 (could_have_pointers): New function.
5437 (get_constraint_for_component_ref): Don't process STRING_CST.
5438 (nonlocal_lookup): New function.
5439 (nonlocal_insert): Ditto.
5440 (create_nonlocal_var): Ditto.
5441 (get_nonlocal_id_for_type): Ditto.
5442 (get_constraint_for): Allow results vector to be empty in the case
5443 of string constants.
5444 Handle results of calls properly.
5445 (update_alias_info): Update alias info stats on number and type of
5447 (find_func_aliases): Use could_have_pointers.
5448 (make_constraint_from_escaped): Renamed from
5449 make_constraint_to_anything, and changed to make constraints from
5451 (make_constraint_to_escaped): New function.
5452 (find_global_initializers): Ditto.
5453 (create_variable_info_for): Make constraint from escaped to any
5454 global variable, and from any global variable to the set of
5456 (intra_create_variable_infos): Deal with escaped instead of
5457 pointing to anything.
5458 (set_uids_in_ptset): Do type pruning on directly dereferenced
5460 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5461 (init_base_vars): Fix comment, and initialize escaped_vars.
5462 (need_to_solve): Removed.
5463 (find_escape_constraints): New function.
5464 (expand_nonlocal_solutions): Ditto.
5465 (compute_points_to_sets): Call find_escape_constraints and
5466 expand_nonlocal_solutions.
5467 (delete_points_to_sets): Don't fall off the end of the graph.
5468 (init_alias_heapvars): Initialize nonlocal_for_type and
5470 (delete_alias_heapvars): Free nonlocal_for_type and null out
5473 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5475 * fold-const.c (add_double): Rename to add_double_with_sign.
5476 Add 'unsigned_p' parameter and take it into account for the overflow.
5477 (mul_double): Rename to mul_double_with_sign.
5478 Add 'unsigned_p' parameter and take it into account for the overflow.
5479 (fold_div_compare): Call add_double_with_sign instead of add_double
5480 and mul_double_with_sign instead of mul_double, passing them the
5481 unsignedness of the type.
5482 * tree.h (add_double): Macroize.
5483 (add_double_with_sign): New prototype.
5484 (mul_double): Macroize.
5485 (mul_double_with_sign): New prototype.
5487 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5489 * config/score/crti.asm: New file.
5490 * config/score/crtn.asm: New file.
5491 * config/score/elf.h: New file.
5492 * config/score/mac.md: New file.
5493 * config/score/misc.md: New file.
5494 * config/score/mul-div.S: New file.
5495 * config/score/predicates.md: New file.
5496 * config/score/score7.md: New file.
5497 * config/score/score.c: New file.
5498 * config/score/score-conv.h: New file.
5499 * config/score/score.h: New file.
5500 * config/score/score.md: New file.
5501 * config/score/score-mdaux.c: New file.
5502 * config/score/score-mdaux.h: New file.
5503 * config/score/score-modes.def: New file.
5504 * config/score/score.opt: New file.
5505 * config/score/score-protos.h: New file.
5506 * config/score/score-version.h: New file.
5507 * config/score/t-score-elf: New file.
5508 * config.gcc: Add score*-*-* configurations(Update before).
5509 * doc/invoke.texi (Score Options): New section.
5510 * doc/md.texi (Score family): New section to document constraints.
5512 2006-10-19 Nick Clifton <nickc@redhat.com>
5514 * config/arm/arm.c: Fix spelling typo.
5516 2006-10-18 Tom Tromey <tromey@redhat.com>
5518 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5520 2006-10-18 Jan Hubicka <jh@suse.cz>
5523 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5526 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5528 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5529 TSI_SAME_STMT, since that's the desired entity.
5531 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5533 * config/s390/contraints.md: New file.
5534 * config/s390/s390-protos.h (s390_mem_constraint,
5535 s390_O_constraint_str, s390_N_constraint_str,
5536 s390_float_const_zero_p): Function prototypes added.
5537 * config/s390/s390.c (s390_extra_constraint_str,
5538 s390_const_double_ok_for_constraint_p,
5539 s390_const_ok_for_constraint_p): Functions removed.
5540 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5541 s390_float_const_zero_p): New functions.
5542 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5543 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5544 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5545 Macro definitions removed.
5546 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5547 s390_extra_constraint_str): Functions removed.
5549 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5550 Richard Sandiford <richard@codesourcery.com>
5553 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5554 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5556 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5558 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5559 (DWARF2_FRAME_REG_OUT): Likewise.
5560 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5561 (DWARF2_FRAME_REG_OUT): Likewise.
5563 2006-10-17 Paul Brook <paul@codesourcery.com>
5565 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5567 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5569 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5570 Standardize on "GNU Fortran" as the official name of the Fortran
5573 2006-10-16 Mike Stump <mrs@apple.com>
5575 * doc/invoke.texi (Darwin Options): Document -mkernel.
5576 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5578 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5579 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5580 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5581 (OS_MISSING_ALTIVEC): Add.
5582 * config/i386/i386.c (override_options): Add
5583 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5584 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5585 -mkernel, -static or -mdynamic-no-pic is given.
5586 (C_COMMON_OVERRIDE_OPTIONS): Add.
5587 * config/darwin.opt (fapple-kext): Add.
5589 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5590 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5592 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5593 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5594 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5595 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5596 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5597 (flag_mkernel): Add.
5598 (flag_apple_kext): Add.
5599 (TARGET_KEXTABI): Add.
5600 * config/darwin.c (darwin_handle_kext_attribute): Add.
5601 (DARWIN_VTABLE_P): Add.
5602 (darwin_binds_local_p): Add partial support for rebinding vtables
5604 (darwin_kextabi_p): Add.
5605 (darwin_override_options): Add.
5606 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5607 (darwin_kextabi_p): Add.
5608 (darwin_override_options): Add.
5609 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5610 __DYNAMIC__ and __STATIC__ here.
5612 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5614 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5615 Added mention of "make pdf" target, and Texinfo requirements for
5618 2006-10-16 DJ Delorie <dj@redhat.com>
5620 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5621 into the GOT in case we need a subreg of the address.
5623 2006-10-16 Richard Guenther <rguenther@suse.de>
5626 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5627 SSE builtin documentation. Document SSE2 builtins.
5629 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5631 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5632 symbol in the output file for non-shared links when -nostdlib or
5633 -nodefaultlibs isn't specified.
5635 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5636 posix thread support.
5638 2006-10-15 Jan Hubicka <jh@suse.cz>
5641 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5642 declared always_inline even when not inlining.
5644 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5645 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5646 Andrew Pinski <pinskia@gmail.com>
5649 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5651 2006-10-15 Jan Hubicka <jh@suse.cz>
5652 Richard Guenther <rguenther@suse.de>
5655 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5656 process_function_and_variable_attributes on all variables, including
5657 those discovered during cgraph construction phase.
5659 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5661 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5663 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5665 * config/i386/athlon.md (athlon_fist): Add fisttp.
5667 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5668 Ian Lance Taylor <ian@airs.com>
5671 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5672 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5675 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5677 * config/score/score.c, config/score/score.h: Fix comment
5680 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5683 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5686 2006-10-13 Eric Christopher <echristo@apple.com>
5688 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5690 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5693 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5694 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5695 alignment supported by 32-bit ELF.
5697 2006-10-13 Eric Christopher <echristo@apple.com>
5699 * config/darwin.c (darwin_emit_unwind_label): Strip
5700 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5702 2006-10-13 Richard Guenther <rguenther@suse.de>
5704 PR tree-optimization/29446
5705 * tree-vrp.c (fix_equivalence_set): Remove.
5706 (extract_range_from_assert): Do not call fix_equivalence_set.
5707 (debug_value_range): Print a newline.
5708 (compare_name_with_value): For equivalence sets with
5709 inconsistent value ranges conservatively bail out.
5710 (compare_names): Likewise.
5712 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5714 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5715 and MPFR for gfortran.
5717 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5719 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5720 alignment supported by 32-bit ELF.
5722 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5726 * c-typeck.c (digest_init): Always allow initializing vectors
5727 that have static storage duration with compound literals.
5728 * tree.c (build_type_attribute_qual_variant): New, based on
5729 build_type_attribute_variant.
5730 (build_type_attribute_variant): Rewrite using the former.
5731 (make_vector_type): Use build_type_attribute_qual_variant to build
5732 type variants. Use type_hash_canon on the others.
5734 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5735 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5737 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5739 2006-10-12 Jan Hubicka <jh@suse.cz>
5742 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5743 current_function_decl is set but current_function_scope is not.
5745 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5747 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5748 emit_insn to emit eh_return_internal instruction.
5749 (eh_return_internal): Explicitly set pc.
5751 2006-10-11 Richard Guenther <rguenther@suse.de>
5753 PR tree-optimization/28230
5754 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5755 to the correct place.
5757 2006-10-11 Richard Guenther <rguenther@suse.de>
5760 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5763 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5765 * configure.ac: Added pdf to "Make-hooks"
5766 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5767 targets and *.pdf file patterns in cleanup targets.
5768 * configure: Regenerated.
5770 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5772 * config/avr/predicates.md: New file.
5773 * config/avr/avr.md: Include it.
5774 (REG_SP): New constant.
5775 (peepholes): Use predicates.
5776 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5777 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5778 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5780 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5782 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5785 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5788 * builtins.c (var_decl_component_p): New function.
5789 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5790 single entry optimization to variables and components thereof.
5792 2006-10-10 Richard Guenther <rguenther@suse.de>
5794 PR rtl-optimization/29323
5795 * except.c (set_nothrow_function_flags): For functions
5796 that do not bind local bail out early.
5798 2006-10-10 Ben Elliston <bje@au.ibm.com>
5800 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5803 2006-10-09 Richard Henderson <rth@redhat.com>
5805 Revert emutls patch.
5807 2006-10-09 Richard Guenther <rguenther@suse.de>
5810 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5813 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5816 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5817 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5818 * configure: Regenerate.
5819 * config.in: Regenerate.
5821 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5823 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5825 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5827 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5828 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5829 Remove stray newline.
5831 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5833 * config/mips/mips.c (mips_classify_symbol): Do not return
5834 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5835 (mips_in_small_data_p): Tweak comments.
5837 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5839 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5841 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5843 * gimplify.c, sched-int.h: Fix comment typos.
5845 * sched-int.h: Fix comment typos.
5847 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5849 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5851 * sched-ebb.c (begin_schedule_ready): Use them.
5852 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5853 add_to_speculative_block, create_check_block_twin, speculate_insn,
5854 fix_jump_move, move_block_after_check): Ditto.
5855 * sched-rgn.c (new_ready): Ditto.
5857 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5859 PR rtl-optimization/29128
5860 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5861 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5862 allow interblock movement of speculation checks.
5864 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5867 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5868 casted to integer type.
5869 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5870 if they are significantly more expensive than [reg + index] ones.
5872 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5874 PR tree-optimization/29330
5875 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5876 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5877 on newly allocated ddrs.
5878 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5879 to VEC (loop_p, heap) pointer.
5880 (compute_data_dependences_for_loop): Adjust caller.
5881 (free_dependence_relations): Free DDR_LOOP_NEST.
5883 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5884 free DEPENDENCE_RELATIONS and DATAREFS.
5887 * builtins.c (expand_builtin_sync_operation,
5888 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5889 Use convert_to_mode to handle promoted arguments.
5891 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5893 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5895 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5897 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5899 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5901 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5902 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5903 Use <modeconstraint> instead of "r" as operand 1 constraint.
5905 2006-10-06 Olivier Hainque <hainque@adacore.com>
5907 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5908 Don't recurse on the pointed-to type.
5909 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5910 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5911 types with components of variable size.
5913 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5915 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5917 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5919 PR tree-optimization/29290
5920 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5924 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5925 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5928 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5929 the number of vector elements fill the rest with zeros.
5931 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5933 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5934 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5937 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5939 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5940 unnamed pattern into subsi3. Use correct constraints/predicates.
5941 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5942 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5944 2006-10-05 Ira Rosen <irar@il.ibm.com>
5946 * doc/loop.texi: Add data references analysis description.
5948 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5950 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5952 2006-10-04 Richard Henderson <rth@redhat.com>
5953 Jakub Jelinek <jakub@redhat.com>
5955 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5956 * builtin-types.def (BT_WORD): Make unsigned.
5957 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5958 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5959 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5960 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5961 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5962 * cgraph.c (decide_is_variable_needed): Look at force_output.
5963 Recurse for emulated tls.
5964 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5965 checks redundant with decide_is_variable_needed.
5966 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5967 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5969 * expr.c (emutls_var_address): New.
5970 (expand_expr_real_1): Expand emulated tls.
5971 (expand_expr_addr_expr_1): Likewise.
5972 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5973 * output.h (emutls_finish): Declare.
5974 * toplev.c (compile_file): Call it.
5975 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5976 address before wrapping in CONST.
5977 * varasm.c (emutls_htab, emutls_object_type): New.
5978 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5979 (get_emutls_object_name, get_emutls_object_type): New.
5980 (get_emutls_init_templ_addr, emutls_decl): New.
5981 (emutls_common_1, emutls_finish): New.
5982 (assemble_variable): When emulating tls, swap decls; generate
5983 constructor for the emutls objects.
5984 (do_assemble_alias): When emulating tls, swap decl and target name.
5985 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5987 * emutls.c: New file.
5988 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5989 tls_object for real tls.
5991 2006-10-04 Zack Weinberg <zackw@panix.com>
5993 Fix bug in constraint-check generator, reported by Rask Ingemann
5995 * genpreds.c (add_constraint): Don't remove anything from the
5997 (write_tm_constrs_h): Detect whether "op" argument is used, and
5998 mark it ARG_UNUSED if it isn't.
5999 (write_insn_const_int_ok_for_constraint): Skip the part of the
6000 expression that would test whether "op" (which is not available
6001 here) is a CONST_INT.
6003 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6006 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6008 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6010 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6011 current Leopard versions.
6012 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6014 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6016 * doc/install.texi: Fix typos.
6018 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6020 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6021 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6022 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6024 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6026 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6027 arg to be struct mach_header_64* instead.
6029 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6032 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6033 side effects after the outer expression's post side effects.
6035 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6037 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6038 comments to reflect actual behavior and relationship between
6039 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6041 * doc/c-tree.texi (Working with declarations): Fix documentation
6042 of FIELD_DECL likewise.
6044 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6047 * doc/extend.texi: Add used variable attribute description.
6049 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6052 * c.opt (Woverride-init): New.
6053 * c-opts.c (c_common_post_options): Default warn_override_init to
6055 * c-typeck.c (add_pending_init, output_init_element): Warn for
6056 overriding initializers without side effects.
6057 * doc/invoke.texi (-Woverride-init): Document.
6060 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6062 PR rtl-optimization/28096
6063 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6064 assignment has already been used as a destination earlier in the block.
6066 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6068 * builtins.c (expand_builtin_setjmp): Delete.
6069 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6070 <BUILT_IN_SETJMP_SETUP>: New case.
6071 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6072 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6073 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6074 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6075 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6076 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6077 (lower_function_body): Initialize it to false. If it is set to true
6078 at the end of the processing, emit the setjmp dispatcher.
6079 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6080 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6081 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6082 on the rhs of the assignment.
6083 (lower_builtin_setjmp): New function.
6084 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6085 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6086 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6087 to detect calls that can go to non-local labels. Use specific
6088 helper to create the abnormal edges associated with them.
6089 <MODIFY_EXPR>: Likewise.
6090 (make_abnormal_goto_edges): New function extracted from...
6091 (make_goto_expr_edges): ...here. Call it for computed gotos.
6092 (simple_goto_p): Minor tweak.
6093 (tree_can_make_abnormal_goto): New predicate.
6094 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6095 (tree_purge_dead_abnormal_call_edges): New function.
6096 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6097 (tree_purge_dead_abnormal_call_edges): Likewise.
6098 (make_abnormal_goto_edges): Likewise.
6099 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6100 Purge all dead abnormal edges if the call was in the last statement.
6101 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6102 (execute_fixup_cfg): If there are non-local labels in the function,
6103 scan the basic blocks and split them at calls that can go to non-local
6104 labels or add missing abnormal call edges. Write down the CFG in the
6106 (pass_fixup_cfg): Remove TODO_dump_func flag.
6107 * unwind-sjlj.c: Poison setjmp.
6108 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6109 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6110 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6111 (DONT_USE_BUILTIN_SETJMP): Document it.
6113 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6116 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6117 to 1 when __ppc64__ is defined.
6118 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6120 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6122 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6124 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6125 * config/ia64/unwind-hpux.c: Delete.
6127 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6129 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6130 on the element before gimplifying it, instead of punting if it is of
6133 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6135 * doc/loop.texi: New file.
6136 * doc/gccint.texi: Reference loop.texi.
6137 * Makefile.in (loop.texi): Add.
6139 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6141 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6143 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6144 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6146 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6148 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6150 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6152 * doc/install.texi: Document required versions of GMP and MPFR.
6154 2006-09-27 Paul Brook <paul@codesourcery.com>
6157 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6159 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6161 * reload1.c (alter_reg): Require the alignment of the stack slot to
6162 be at least reg_max_ref_width bytes.
6163 (scan_paradoxical_subregs): Record the largest width in
6166 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6170 * tree-nested.c (struct nesting_info): Added static_chain_added.
6171 (convert_call_expr): Set static_chain_added when adding static
6172 chain. Handle OMP_PARALLEL and OMP_SECTION.
6174 2006-09-25 Matthias Klose <doko@debian.org>
6176 * doc/invoke.texi: Add missing full stop.
6178 2006-09-25 Richard Henderson <rth@redhat.com>
6180 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6181 before cgraph_function_flags_ready.
6183 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6184 Adam Nemet <anemet@caviumnetworks.com>
6186 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6187 determine_common_wider_type): New functions.
6188 (get_computation_aff): Use them to simplify arithmetic between
6189 UBASE and CBASE if they are shortened from the same type.
6191 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6194 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6195 -2147483647 - 1 instead of 0x80000000.
6197 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6199 * flags.h (HONOR_NANS): Fix typo in comment.
6201 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6203 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6205 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6209 * tree.c (merge_attributes, attribute_list_contained): If both
6210 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6212 * c-typeck.c (comptypes_internal): Don't consider aggregates
6213 in different TUs as compatible if there one set of attributes is
6214 not a subset of the other type's attributes.
6215 (composite_type): Try harder not to create a new aggregate type.
6217 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6219 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6220 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6221 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6222 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6223 than replicating condition above.
6224 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6226 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6227 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6228 the linker by default.
6230 2006-09-22 Mike Stump <mrs@apple.com>
6232 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6235 2006-09-22 Richard Guenther <rguenther@suse.de>
6238 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6239 sort of stack variables stable.
6241 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6244 * explow.c (force_reg): Set REG_POINTER flag according to
6247 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6249 PR tree-optimization/28888
6250 * tree-if-conv.c (combine_blocks): Rewritten.
6251 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6252 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6254 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6256 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6259 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6261 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6263 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6265 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6267 2006-09-21 Roger Sayle <roger@eyesopen.com>
6270 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6271 dw_fde_current_label, to be the start of the function, i.e. the same
6272 value as dw_fde_begin.
6274 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6276 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6277 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6278 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6279 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6280 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6281 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6282 (abs<mode>2, neg<mode>2): Likewise.
6283 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6284 (*mips_abs_ps): New define_insn.
6286 2006-09-20 Josh Conner <jconner@apple.com>
6289 * calls.c (expand_call): Allow reuse of structure return stack
6292 2006-09-20 Paul Brook <paul@codesourcery.com>
6294 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6297 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6299 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6300 clean up terminology.
6302 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6305 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6306 with tablejumps in them.
6308 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6311 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6312 wrap it into TARGET_EXPR.
6314 2006-09-20 Eric Christopher <echristo@apple.com>
6316 * config/i386/i386.c (x86_fisttp): Remove.
6317 * config/i386/i386.h (x86_fisttp): Ditto.
6318 (TARGET_FISTTP): Ditto.
6320 2006-09-19 Eric Christopher <echristo@apple.com>
6322 * doc/tm.texi (OBJC_JBLEN): Describe.
6323 * config/i386/darwin.h (OBJC_JBLEN): Define.
6324 * config/rs6000/darwin.h: Ditto.
6326 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6328 PR rtl-optimization/21299
6329 * reload1.c (reload): Purge invalid ASMs in the final pass.
6331 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6334 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6335 pointers as legitimate constants.
6337 2006-09-19 Paul Brook <paul@codesourcery.com>
6340 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6342 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6344 PR tree-optimization/28887
6345 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6346 component parts from the reference.
6347 (gather_memory_references_ref): Record the reference without the
6348 nonaddressable component parts.
6350 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6353 * c-opts.c (c_common_handle_option): Ignore the -std options
6354 if the input language is assembly.
6356 2006-09-17 Ira Rosen <irar@il.ibm.com>
6359 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6361 (ptr_ptr_may_alias_p): Likewise.
6362 (record_record_differ_p): New function.
6363 (base_object_differ_p): Call record_record_differ_p.
6365 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6368 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6369 away for the expr argument.
6371 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6374 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6375 before using it for dumping after vectorizing loops.
6377 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6378 Jack Howarth <howarth@bromo.med.uc.edu>
6381 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6382 skip on error_mark_node.
6383 (rs6000_darwin64_record_arg_recurse): Likewise.
6385 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6387 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6388 * doc/rtl.texi: Remove related documentation.
6390 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6392 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6395 2006-09-15 Jim Wilson <wilson@specifix.com>
6397 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6398 Handle symbol offsets same as they are handled in ia64_expand_move
6401 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6403 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6404 Add forgotten parameter to the fprintf call.
6406 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6408 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6410 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6412 * doc/contrib.texi: Add my entry.
6414 2006-09-15 Nick Clifton <nickc@redhat.com>
6416 * doc/md.texi (Processor pipeline description): Fix typo in
6417 example of how to use the absence_set directive and reword the
6418 description to make it slightly easier to read.
6420 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6422 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6423 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6424 expanding the number of iterations.
6425 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6427 * cfgrtl.c (emit_insn_at_entry): New function.
6428 * rtl.h (emit_insn_at_entry): Declare it.
6429 * integrate.c (emit_initial_value_sets): Use it.
6431 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6433 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6435 (struct loop_work and related VEC declarations): Delete.
6436 (bfin_dump_loops): Print out new member bad.
6437 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6438 (bfin_scan_loop): Don't recurse.
6439 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6440 loops. No longer need to update outer loops if the current one is
6441 found bad. Move some validitiy checks to bfin_discover_loop.
6442 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6443 but changed not to check for nesting. Also changed to use the new bad
6445 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6446 time. Use bitmap based test to discover loop nesting.
6448 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6450 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6453 2006-09-14 Richard Guenther <rguenther@suse.de>
6454 Kazu Hirata <kazu@codesourcery.com>
6456 PR middle-end/28884.
6457 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6458 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6459 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6460 with TARGET_FUNCTION_VALUE.
6462 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6465 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6467 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6469 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6472 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6475 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6478 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6480 * basic_block.h (bb_has_eh_pred): Fix comment.
6482 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6484 * flow.c (calculate_global_regs_live): Invalidate eh registers
6485 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6486 (propagate_block): Handle eh registers as if they were set at basic
6488 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6490 * global.c (global_conflicts): Make eh registers to conflict with
6491 pseudos live at basic block begin.
6492 * basic_block.h (bb_has_eh_pred): New function.
6494 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6496 PR rtl-optimization/28982
6497 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6498 index of a PRE_MODIFY or POST_MODIFY address.
6499 * reload1.c (inc_for_reload): Use find_replacement on the original
6500 base and index registers.
6502 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6504 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6505 for -Os. Update __m128 alignment requirement.
6507 2006-09-13 Jan Hubicka <jh@suse.cz>
6509 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6511 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6513 PR rtl-optimization/28243
6514 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6515 the insn to which the note was originally attached.
6517 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6518 Roger Sayle <roger@eyesopen.com>
6520 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6521 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6522 on platforms that don't use dwarf for debug info.
6524 2006-09-12 Jason Merrill <jason@redhat.com>
6527 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6528 hard_frame_pointer_rtx after using it to update the frame pointer.
6530 2006-09-12 Roger Sayle <roger@eyesopen.com>
6532 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6533 (TARGET_ASM_CLOSE_PAREN): Likewise.
6534 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6535 (TARGET_ASM_CLOSE_PAREN): Likewise.
6537 2006-09-12 Roger Sayle <roger@eyesopen.com>
6540 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6541 frame information for frames larger than 512 Kbytes on Tru64 when
6542 using the native assembler.
6544 2006-09-12 Roger Sayle <roger@eyesopen.com>
6548 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6549 and symbols. Instead use the implementation from cse.c's hash_rtx.
6551 2006-09-12 Jan Hubicka <jh@suse.cz>
6553 PR rtl-optimization/28071
6554 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6555 (vect_transform_loop): Likewise.
6556 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6557 (new_loop_vec_info): Likewise.
6558 (destroy_loop_vec_info): Likewise.
6559 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6560 (create_stmt_ann): Likewise.
6561 (create_tree_ann): Rename to ...
6562 (create_tree_common_ann): ... this one; allocate only the common part
6564 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6565 (get_value_handle): Likewise.
6566 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6567 get_tree_common_ann.
6568 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6569 (vinfo_for_stmt): Use stmt annotations.
6570 * tree-flow.h (tree_ann_common_t): New type.
6571 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6572 (tree_ann, get_tree_ann, create_tree_ann): New.
6573 * tree-flow-inline.h (get_function_ann): Do more type checking.
6574 (stmt_ann): Likewise.
6575 (tree_ann): Rename to ...
6576 (tree_common_ann): ... this one; return ony common_ann
6577 (get_tree_ann): Rename to ...
6578 (tree_common_ann): This one; return only common_ann.
6579 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6582 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6584 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6585 with_cpu by default.
6587 * dwarf2out.c (dwarf_file_data): New.
6588 (enum dw_val_class): Add dw_val_class_file.
6589 (struct dw_val_struct): Add val_file.
6590 (file_table): Change to a hash table.
6591 (file_table_emitted): Delete.
6592 (file_table_last_lookup_index): Delete.
6593 (emitcount): Delete.
6594 (last_emitted_file): New.
6595 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6596 (init_file_table): Delete.
6597 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6598 (AT_addr): Add comment.
6602 (print_die): Handle dw_val_class_file.
6603 (print_dwarf_line_table): Update for new file table structure.
6604 (attr_checksum): Do checksum a filename.
6605 (same_dw_val_p, same_attr_p): Do compare a filename.
6606 (size_of_die): Handle dw_val_class_file.
6607 (value_format): Likewise.
6608 (output_die): Likewise. Also, call maybe_emit_file here.
6609 (struct file_info): Constify filenames. Make file_idx a pointer
6610 to a struct dwarf_file_data.
6611 (struct dir_info): Constify directory names. Remove 'used' field.
6612 (struct file_name_acquire_data): New.
6613 (file_name_acquire): New.
6614 (output_file_names): Modify to handle new file data structures.
6615 (add_src_coords_attributes): Use add_AT_file.
6616 (add_call_src_coords_attributes): Likewise.
6617 (dwarf2out_imported_module_or_decl): Likewise.
6618 (gen_subprogram_die): Modify for new file data structures.
6619 (gen_variable_die): Likewise.
6620 (file_table_eq): New.
6621 (file_table_hash): New.
6622 (file_table_last_lookup): New.
6623 (lookup_filename): Rewrite to handle new file data structures.
6624 (maybe_emit_file): Rewrite to handle new file data structures.
6625 (dwarf2out_source_line): Always call lookup_filename and
6627 (dwarf2out_init): Create file_table here.
6628 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6629 (file_table_relative_p): New.
6630 (dwarf2out_finish): Change detection of relative filenames
6631 to work with new file data structures. Move output_line_info call
6632 after debug_info output.
6634 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6639 * config/i386/i386.c (override_options): Always default to 16
6640 byte stack boundary.
6642 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6645 * var-tracking.c (dump_dataflow_set): Start dumping at
6647 (clobber_variable_part): Kill only the variable part in
6648 registers holding it, leaving other variables alone.
6650 2006-09-11 Josh Triplett <josh@freedesktop.org>
6652 * doc/extend.texi (Other Builtins): Actually use the macro
6653 argument in the documentation example for
6654 __builtin_types_compatible_p.
6656 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6658 PR rtl-optimization/28726
6659 * sched-deps.c (sched_analyze_reg): New function extracted from...
6660 (sched_analyze_1): ...here. Call it to analyze references to
6661 registers. Treat again writes to a stack register as writing to the
6663 (sched_analyze_2): ...and here. Call it to analyze references to
6664 registers. Treat again reads of a stack register as reading the
6667 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6668 David Edelsohn <edelsohn@gnu.org>
6671 * config/rs6000/spe.md (frob_df_di): Remove %H.
6672 (frob_di_df): Remove %H. Change evmergelo to mr.
6673 (frob_di_df_2): Remove %H. Change evldd to two loads.
6675 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6677 * doc/cpp.texi: Fix names of charset options.
6679 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6682 * config/i386/i386.c (override_options): Use 128-bit
6683 stack boundary always for 64bits.
6685 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6687 PR rtl-optimization/28636
6688 * combine.c (force_to_mode): Test for side-effects before
6689 substituting by zero.
6690 (simplify_shift_const): Likewise for zero or other constants.
6692 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6695 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6698 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6701 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6702 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6703 returned by mode_for_size, rather than the mode of src itself,
6704 to choose between 32-bit and 64-bit patterns.
6705 (mips_mem_fits_mode_p): New function.
6706 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6707 that the size of the source matches the size of the destination.
6708 (mov_<store>l, mov_<store>r): Likewise.
6710 2006-09-10 Eric Christopher <echristo@apple.com>
6712 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6715 2006-09-09 Eric Christopher <echristo@apple.com>
6718 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6721 2006-09-09 Roger Sayle <roger@eyesopen.com>
6722 Nicolas Setton <setton@adacore.com>
6724 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6726 2006-09-10 Andreas Schwab <schwab@suse.de>
6728 * config/m68k/m68k.md (bungt_rev): New pattern.
6730 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6731 Dale Johannesen <dalej@apple.com>
6734 * regclass.c (struct reg_pref): Update documentation.
6735 (regclass): Set prefclass to NO_REGS if memory is the best option.
6736 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6738 2006-09-08 Eric Christopher <echristo@apple.com>
6740 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6741 * config/t-slibgcc-darwin: Support x86_64 multilib.
6742 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6743 Return 1 for x86_64-darwin.
6744 * config/i386/t-darwin: Add m64 multilib.
6745 (LIB2_SIDITI_CONV_FUNCS): Use.
6746 (LIB2FUNCS_EXTRA): Ditto.
6747 * config/i386/darwin.h: Support x86_64.
6748 * config/i386/i386.c (override_options): Turn on flag_pic
6749 for x86_64-darwin. Disable flag_omit_pointer.
6750 (get_pc_thunk_name): Assert !TARGET_64BIT.
6751 (legitimate_address_p): Disable machopic addressing for
6753 (legitimize_pic_address): Ditto.
6754 (ix86_expand_move): Ditto.
6755 (ix86_expand_call): Ditto.
6756 (machopic_output_stub): Ditto.
6757 * config/darwin.c (machopic_select_section): Support literal16.
6758 (machopic_select_rtx_section): Ditto.
6759 * config/darwin-sections.def: Ditto.
6760 * config/darwin-64.c: New.
6762 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6765 * c-tree.h (struct c_arg_info): Add pending_sizes.
6766 * c-parser.c (c_parser_parms_declarator,
6767 c_parser_parms_list_declarator): Initialize pending_sizes.
6768 * c-decl.c (get_parm_info): Initialize pending_sizes.
6769 (get_parm_info): Set pending_sizes.
6770 (grokdeclarator): Call put_pending_sizes for parameters for
6771 function definition only.
6773 2006-09-07 Jason Merrill <jason@redhat.com>
6776 * varasm.c (output_constant): Only strip actual no-op conversions.
6779 * config/i386/i386.c (override_options): Use 128-bit
6780 stack boundary if -msse.
6782 2006-09-07 Eric Christopher <echristo@apple.com>
6784 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6786 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6789 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6791 * dwarf2out.c: Remove strange characters from comment above
6792 dwarf2out_frame_debug_expr.
6794 2006-09-07 Eric Christopher <echristo@apple.com>
6796 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6797 * config/darwin.h: ... to here.
6799 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6801 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6803 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6804 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6806 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6807 TARGET_PARTIAL_FLAG_REG_STALL.
6808 (*ashldi3_cconly_rex64): Likewise.
6809 (*ashlsi3_cmp): Likewise.
6810 (*ashlsi3_cconly): Likewise.
6811 (*ashlsi3_cmp_zext): Likewise.
6812 (*ashlhi3_cmp): Likewise.
6813 (*ashlhi3_cconly): Likewise.
6814 (*ashlqi3_cmp): Likewise.
6815 (*ashlqi3_cconly): Likewise.
6816 (*ashrdi3_cmp_rex64): Likewise.
6817 (*ashrdi3_cconly_rex64): Likewise.
6818 (*ashrsi3_cmp): Likewise.
6819 (*ashrsi3_cconly): Likewise.
6820 (*ashrsi3_cmp_zext): Likewise.
6821 (*ashrhi3_cmp): Likewise.
6822 (*ashrhi3_cconly): Likewise.
6823 (*ashrqi3_cmp): Likewise.
6824 (*ashrqi3_cconly): Likewise.
6825 (*lshrdi3_cmp_rex64): Likewise.
6826 (*lshrdi3_cconly_rex64): Likewise.
6827 (*lshrsi3_cmp): Likewise.
6828 (*lshrsi3_cconly): Likewise.
6829 (*lshrsi3_cmp_zext): Likewise.
6830 (*lshrhi3_cmp): Likewise.
6831 (*lshrhi3_cconly): Likewise.
6832 (*lshrqi2_cmp): Likewise.
6833 (*lshrqi2_cconly): Likewise.
6835 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6838 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6839 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6840 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6841 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6842 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6843 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6844 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6845 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6846 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6847 implement only CC setting effects of shift instructions.
6849 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6851 * doc/contrib.texi: Add myself.
6853 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6856 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6857 was set by the user.
6859 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6862 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6863 (divsi_inv_m1): Use them.
6864 (UNSPEC_DIV_INV_TABLE): New constant.
6866 2006-09-06 James E Wilson <wilson@specifix.com>
6869 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6870 then call count_or_remove_death_notes.
6872 2006-09-06 Jason Merrill <jason@redhat.com>
6875 * tree-inline.c (copy_result_decl_to_var): New fn.
6876 (declare_return_variable): Use it. Call declare_inline_vars here.
6877 (expand_call_inline): Not here.
6879 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6881 * doc/contrib.texi: Update my entry.
6883 2006-09-06 Nick Clifton <nickc@redhat.com>
6885 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6887 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6890 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6891 (canonicalize_induction_variables): Likewise.
6892 (tree_unroll_loops_completely): Likewise.
6893 (tree_ssa_prefetch_arrays): Likewise.
6894 (remove_empty_loops): Likewise.
6895 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6896 TODO_cleanup_cfg instead of directly calling
6897 cleanup_tree_cfg_loop.
6898 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6900 (tree_unroll_loops_completely): Likewise.
6901 (remove_empty_loops): Likewise.
6902 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6903 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6904 of tree_ssa_unswitch_loops.
6905 (tree_ssa_loop_ivcanon): Use the return value of
6906 canonicalize_induction_variables.
6907 (tree_ssa_empty_loop): Use the return value of
6909 (tree_complete_unroll): Use the return value of
6910 tree_unroll_loops_completely.
6911 (tree_ssa_loop_prefetch): Use the return value of
6912 tree_ssa_prefetch_arrays.
6913 * passes.c (execute_todo): Before Cleanup CFG, set
6914 updating_used_alone and after cleanup CFG, call
6915 recalculate_used_alone.
6917 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6920 * tree-vect-transform.c (vectorizable_condition): Move the check
6921 for the type after the check for simple condition.
6923 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6924 Kaz Kojima <kkojima@gcc.gnu.org>
6927 * mode-switching.c (optimize_mode_switching): Make the destination
6928 block of an abnormal edge have no anticipatable mode. Don't
6929 insert mode switching code at the end of the source block of
6932 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6934 PR rtl-optimization/26847
6935 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6936 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6937 (simplify_plus_minus): Count n_constants while filling ops. Replace
6938 qsort with insertion sort. Before going through the array to simplify
6939 pairs, sort it. Delay early exit until after the first sort, exiting
6940 only if no swaps occurred. Simplify pairs in reversed order, without
6941 special-casing the first iteration. Pack ops after simplifying pairs.
6943 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6945 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6946 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6947 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6948 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6950 2006-09-05 Richard Guenther <rguenther@suse.de>
6952 PR tree-optimization/28900
6953 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6954 compound conditional before creating COND_EXPR condition.
6956 2006-09-05 Richard Guenther <rguenther@suse.de>
6958 PR tree-optimization/28905
6959 * tree-vrp.c (fix_equivalence_set): Manually implement
6960 !value_ranges_intersect_p to also handle symbolic ranges.
6962 2006-09-05 Richard Guenther <rguenther@suse.de>
6965 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6968 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6970 PR rtl-optimization/27616
6971 * cse.c (table_size): New static variable.
6972 (new_basic_block): Initialize it to 0.
6973 (remove_from_table): Decrement it.
6974 (insert): Increment it.
6975 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6976 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6977 fold_rtx_mem_1 if under the cap.
6978 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6979 the lookup of the equivalent expression and test for equality of the
6980 first operand of the equivalent expression before in turn looking up
6981 an equivalent constant for the second operand.
6983 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6986 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6987 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6988 pointer, instead of assuming it is possible to derive the
6989 correct args size from a call insn.
6991 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6994 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6995 (fold_builtin_mempcpy): Rename to...
6996 (fold_builtin_memory_op): ... this. Optimize one element copy
6998 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7000 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7001 (expand_builtin_memcpy, expand_builtin_mempcpy,
7002 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7003 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7004 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7005 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7007 2006-09-01 DJ Delorie <dj@redhat.com>
7009 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7010 (stzx_16): Likewise.
7011 ("stzx_24_<mode>"): Likewise.
7012 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7013 ("cmp<mode>_op"): New.
7014 (cmp<mode>): Change to expander; just save operands.
7016 (b<code>): Change to expander, emit compare here.
7017 (s<code>_op): Change to use split and expander.
7018 (s<code>_24_op): Likewise.
7019 (s<code>_<mode>): New.
7020 (s<code>_<mode>_24): New.
7021 (movqicc_<code>_<mode): New.
7022 (movhicc_<code>_<mode>): New.
7025 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7026 (m32c_pend_compare): New.
7027 (m32c_unpend_compare): New.
7028 (m32c_expand_scc): New.
7029 (m32c_expand_movcc): Emit the compare also.
7030 * config/m32c/predicates.md (mra_nopp_operand): New.
7032 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7033 Richard Guenther <rguenther@suse.de>
7034 Adam Nemet <anemet@caviumnetworks.com>
7037 * builtins.c (get_pointer_alignment): Handle more forms
7038 of base addresses that can be used to derive more precise
7039 information about alignment.
7041 2006-09-01 Jason Merrill <jason@redhat.com>
7044 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7047 * gimplify.c (voidify_wrapper_expr): Handle null type.
7049 2006-09-01 Josh Conner <jconner@apple.com>
7052 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7053 (execute_return_slot_opt): Use it.
7055 2006-08-31 Josh Conner <jconner@apple.com>
7058 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7059 returning aggregates.
7061 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7063 PR tree-optimization/28839
7064 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7065 blocks in that phi arguments appear.
7067 2006-08-31 Roger Sayle <roger@eyesopen.com>
7070 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7071 NULL, otherwise use an advance_loc4 to adjust relative to the
7073 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7074 (dwarf2out_switch_text_section): Reset the current label to avoid
7075 using advance_loc4 over section boundaries.
7077 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7080 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7081 r12 + SYMBOLIC_CONST.
7083 2006-08-30 Richard Guenther <rguenther@suse.de>
7085 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7087 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7089 PR rtl-optimization/27735
7090 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7091 Add new argument to keep track of whether an irreducible region
7092 was affected. All callers changed.
7093 (fix_irreducible_loops): Removed.
7094 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7095 flags were invalidated.
7097 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7099 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7100 instead of SF operands.
7101 (*fop_df_comm_sse): Likewise.
7102 (*fop_df_comm_i387): Likewise.
7103 (*fop_df_1_mixed): Likewise.
7104 (*fop_df_1_sse): Likewise.
7106 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7107 J"orn Rennecke <joern.rennecke@st.com>
7109 PR tree-optimization/17506
7110 * tree-ssa.c (warn_uninit): If warning about a location outside of
7111 the current function, note where the variable was declared.
7113 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7115 PR tree-optimization/28411
7116 * double-int.c (double_int_div): Use double_int_divmod.
7117 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7118 double_int_mod, double_int_smod, double_int_umod): New functions.
7119 * double-int.h (double_int_divmod, double_int_sdivmod,
7120 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7122 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7124 (get_computation_aff, get_computation_cost_at): Handle double_int
7125 return type of constant_multiple_of.
7127 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7130 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7131 an implicit conversion.
7133 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7135 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7137 2006-08-27 Roger Sayle <roger@eyesopen.com>
7139 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7142 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7144 * config/i386/crtfastmath.c: Fix a comment typo.
7146 2006-08-26 Roger Sayle <roger@eyesopen.com>
7148 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7149 temporary visit flags on CASE_LABEL_EXPRs.
7150 * c-common.c (match_case_to_enum): Add function comment. Avoid
7151 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7152 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7153 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7154 a constant, only warn if that constant value isn't handled.
7156 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7159 * input.h (restore_input_file_stack): Declare.
7160 (INPUT_FILE_STACK_BITS): Define.
7161 * toplev.c (fs_p, input_file_stack_history,
7162 input_file_stack_restored, restore_input_file_stack): New.
7163 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7164 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7165 (pop_srcloc): Don't free old state of stack.
7167 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7170 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7171 (PowerPC Type Attributes): New.
7173 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7175 * config/xtensa/xtensa.c (function_arg_boundary): New.
7176 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7178 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7179 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7181 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7184 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7187 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7189 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7190 (verify_local_live_at_start): Likewise.
7192 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7195 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7196 omp_add_variable): Treat sizes as variable whenever not
7199 2006-08-26 Richard Guenther <rguenther@suse.de>
7202 * fold-const.c (fold_binary): Fold temporary to correct
7203 type before constructing new comparison.
7205 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7208 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7209 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7211 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7214 * c-decl.c (start_function): Don't try to process prototype
7215 information from old declaration that isn't a function.
7217 2006-08-25 Jan Hubicka <jh@suse.cz>
7220 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7222 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7225 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7228 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7230 PR tree-optimization/16876
7231 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7232 exit if PARM doesn't match VALUE.
7234 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7236 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7237 literal_prefix directive.
7238 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7239 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7240 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7242 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7245 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7246 predicate to general_operand. Add 0->y and I->r alternatives.
7248 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7250 * doc/tm.texi: Fix a typo.
7251 * predict.c: Fix comment typos.
7253 2006-08-25 Nick Clifton <nickc@redhat.com>
7255 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7256 assertions of "cpu" and "machine".
7258 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7261 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7262 the access through a base which has an alias set of 0 cannot
7265 2006-08-24 Bill Wendling <wendling@apple.com>
7267 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7269 2006-08-24 Jan Hubicka <jh@suse.cz>
7271 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7273 2006-08-24 Jan Hubicka <jh@suse.cz>
7276 * cgraph.c: Fix comments.
7277 (cgraph_varpool_mark_needed_node): Mark only variables not already
7279 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7280 (cgraph_varpool_assembled_nodes_queue): New static variable.
7281 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7282 (cgraph_varpool_output_debug_info): New function.
7283 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7284 * Makefile.in: Add gt-cgraphunit.h
7286 2006-08-24 Jan Hubicka <jh@suse.cz>
7288 * predict.c (probability_reliable_p): New predicate.
7289 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7290 (predict_loops): Do not predict loop exit with less than 2%
7292 * basic-block.h (edge_probability_reliable_p,
7293 br_prob_note_reliable_p): Declare.
7294 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7295 prediction when static predictor is not reliable.
7296 * rs6000.c (output_cbranch): Likewise.
7298 2006-08-23 Stuart Hastings <stuart@apple.com>
7301 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7302 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7304 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7307 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7308 complex values, nor for generic vector values.
7310 2006-08-22 Richard Guenther <rguenther@suse.de>
7313 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7314 parameter. Convert arguments to arithmetic expression to the
7316 (analyze_scalar_evolution_1): Adjust caller.
7318 2006-08-22 Jan Hubicka <jh@suse.cz>
7320 Patch by Paolo Bonzini
7321 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7324 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7326 PR tree-optimization/28003
7327 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7328 before grouping aliases.
7330 2006-08-22 Roger Sayle <roger@eyesopen.com>
7332 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7333 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7335 2006-08-21 Jason Merrill <jason@redhat.com>
7338 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7339 wrapper. Loop to handle nested wrappers.
7340 (gimplify_bind_expr): Remove temp parameter.
7341 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7342 and STATEMENT_LIST on the rhs.
7343 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7344 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7345 (gimplify_target_expr): Remove special BIND_EXPR handling.
7347 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7349 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7352 2006-08-21 Olivier Hainque <hainque@adacore.com>
7354 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7355 Arrange for the temporary captures of components overlapping the lhs
7356 to happen before the lhs is possibly cleared.
7358 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7360 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7361 necessary places to pass the correct "number of registers" values
7364 2006-08-20 Jan Hubicka <jh@suse.cz>
7366 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7367 (create_name_tags): Instead of quadratic checking use hashtable.
7368 * bitmap.h: Include hashtab.h.
7369 (bitmap_hash): Declare.
7370 * bitmap.c (bitmap_hash): New function.
7372 2006-08-20 Jan Hubicka <jh@suse.cz>
7374 PR rtl-optimization/28071
7375 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7377 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7378 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7379 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7380 cgraph_decide_inlining_incrementally): Update use of
7381 cgraph_check_inline_limits.
7382 * cgraph.c (edge_hash, edge_eq): New function.
7383 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7384 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7385 cgraph_remove_node): Maintain call site hash.
7386 * cgraph.h (struct cgraph_node): Add call_site_hash.
7387 (cgraph_set_call_stmt): New function.
7389 2006-08-20 Jan Hubicka <jh@suse.cz>
7391 PR rtl-optimization/28071
7392 * reload1.c (reg_has_output_reload): Turn into regset.
7393 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7394 choose_reload_regs, emit_reload_insns): Update to new
7395 reg_has_output_reload.
7397 2006-08-20 Jan Hubicka <jh@suse.cz>
7400 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7401 function body sizes.
7402 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7404 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7407 * tree.c (handle_dll_attribute): Return early if not a
7408 var or function decl.
7410 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7413 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7414 alignment of SPE vector types.
7416 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7418 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7420 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7423 * cgraph.h (struct cgraph_node): Remove externally_visible
7425 * cgraphunit.c (process_function_and_variable_attributes): Set
7426 local.externally_visible rather than externally_visible.
7429 * c-common.c (handle_externally_visible_attribute): First look
7430 at TREE_CODE and only if it is function or var decl, check for
7431 non-public objects. Don't warn for DECL_EXTERNAL.
7432 * cgraphunit.c (process_function_and_variable_attributes): Warn
7433 if externally_visible attribute is used on non-public object.
7435 2006-08-17 Jan Hubicka <jh@suse.cz>
7437 PR tree-optimization/27865
7438 * reload1.c (forget_marked_reloads): New function.
7439 (forget_old_reloads_1): When data are passed, just mark the registers
7441 (reload_as_needed): Use the new mechanizm.
7443 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7446 * reload.h (reg_equiv_alt_mem_list): New declaration.
7447 * reload1.c (reg_equiv_alt_mem_list): New definition.
7448 (reload): Initialize it and release it.
7449 (delete_output_reload): Use it.
7450 * reload.c (push_reg_equiv_alt_mem): New function.
7451 (find_reloads_toplev): Call it.
7452 (find_reloads_address, find_reloads_address_1): Likewise.
7453 (find_reloads_subreg_address): Likewise.
7455 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7457 PR rtl-optimization/28489
7458 * sched-ebb.c (begin_schedule_ready): Create basic block
7460 (advance_target_bb): Skip empty blocks.
7461 * haifa-sched.c (bb_note): Make global.
7462 * sched-int.h (bb_note): Add prototype.
7464 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7466 PR tree-optimization/27865
7467 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7469 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7470 fold_used_pointer, pointer_used_p): New functions.
7471 (analyze_scalar_evolution_1): Use fold_used_pointer.
7472 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7473 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7476 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7479 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7480 or the INTEGER_CST. Fail on a CALL_EXPR.
7481 (fold_offsetof): Pass new argument to fold_offsetof_1.
7482 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7483 operand into an INDIRECT_REF.
7484 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7486 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7488 PR gcov/profile/26570
7489 * value-prof.c (static_values): Removed.
7490 (tree_find_values_to_profile): Do not set static_values.
7491 (find_values_to_profile): Do not free static_values.
7492 * profile.c (instrument_values): Do not free the values.
7493 (branch_prob): Free the values.
7495 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7497 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7499 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7502 * c-typeck.c (build_component_ref): Combine qualifiers of
7503 structure or union and field.
7505 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7507 PR rtl-optimization/28071
7508 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7509 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7510 * tree-into-ssa.c (struct dom_dfsnum): New.
7511 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7513 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7514 compute_global_livein.
7515 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7516 in phi nodes in the correct blocks.
7518 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7520 PR tree-optimization/28364
7521 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7523 (fold_affine_expr): New function.
7524 (may_eliminate_iv): Use fold_affine_expr.
7526 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7529 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7532 2006-08-16 Mike Stump <mrs@apple.com>
7534 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7535 * doc/cppopts.texi (-MD): Likewise.
7537 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7540 * c-common.c (handle_weak_attribute): Ignore and warn if
7541 not a FUNCTION_ or VAR_DECL.
7543 2006-07-15 Mike Stump <mrs@apple.com>
7546 * c-parser.c (c_parser_typeof_specifier): Don't use
7547 c_finish_expr_stmt, open code desired semantics instead.
7549 2006-08-15 Nick Clifton <nickc@redhat.com>
7551 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7552 fragment to tmake_file only if threads are enabled.
7553 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7554 * config/i386/t-gthr-win32: New file. ... here.
7556 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7559 * c-parser.c (c_parser_compound_statement_nostart): Reset
7560 parser->error after each statement.
7562 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7565 * omp-low.c (lower_omp_parallel): Convert t to
7566 receiver_decl's type.
7567 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7568 source before comparison.
7571 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7572 to itype in assignment to oldival2.
7574 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7578 * c-typeck.c (build_compound_expr): If the second expression
7579 is an error mark, then just return an error mark instead of
7580 creating a COMPOUND_EXPR.
7582 2006-07-14 Mike Stump <mrs@apple.com>
7584 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7586 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7588 * c-decl.c, var-tracking.c: Fix comment typos.
7590 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7592 PR rtl-optimization/28634
7593 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7594 for floating-point modes unless flag_unsafe_math_optimizations.
7596 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7597 Andrew Pinski <pinskia@physics.uc.edu>
7600 * tree.c (build_array_type): Unify array types with
7601 unspecified index_type.
7602 * c-decl.c (grokdeclarator): Make sure we do not modify a
7603 unified incomplete array type.
7604 * c-typeck.c (store_init_value): Create distinct type before
7605 filling in the index type in an initializer from a compound
7608 * c-decl.c (grokdeclarator): Remove code where we copy the
7611 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7613 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7614 into account for TODO_dump_cgraph.
7615 (TODO_update_ssa_no_phi): Likewise.
7616 (TODO_update_ssa_full_phi): Likewise.
7617 (TODO_update_ssa_only_virtuals): Likewise.
7618 (TODO_remove_unused_locals): Likewise.
7619 (TODO_set_props): Likewise.
7620 (TODO_update_stmt_usage): Likewise.
7622 2006-08-13 Dirk Mueller <dmueller@suse.de>
7624 * c-common.c (strict_aliasing_warning): Fix formatting.
7626 2006-08-13 Matthias Klose <doko@debian.org>
7628 * doc/invoke.texi: Fix spelling errors.
7630 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7632 PR rtl-optimization/23454
7633 * reorg.c (relax_delay_slots): Update comment.
7635 2006-08-11 Richard Guenther <rguenther@suse.de>
7638 * simplify-rtx.c (simplify_const_relational_operation):
7639 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7642 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7644 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7645 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7647 2006-08-10 Paul Brook <paul@codesourcery.com>
7649 * final.c (final_scan_insn): Clear current_insn_predicate before
7650 outputting inline asm.
7652 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7654 PR tree-optimization/26197
7655 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7656 get_ref_base_and_extent and overlap_subvar to add only relevant
7657 subvars as may-aliases.
7658 (add_may_alias_for_new_tag): New function, factored out of
7660 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7661 with additional argument.
7662 * tree-flow.h (new_type_alias): Takes additional argument.
7664 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7666 * gcov.c (no_data_file): New flag.
7667 (read_count_file): Set it if data file not present. Assume counts
7669 (output_lines): Don't name the data file, if there wasn't one.
7671 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7673 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7674 (rs6000_generate_compare): Tweak comments.
7675 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7677 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7679 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7680 (var_debug_decl): New function.
7681 (var_reg_set): Follow debug decl link. Add location even if
7682 reg is already known to hold some other variable.
7683 (var_mem_set): Follow debug decl link.
7684 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7685 decl link. Delete other known locations of the variable part
7687 (var_reg_delete, var_mem_delete): Delete other known locations
7688 of the variable part if requested.
7689 (same_variable_part_p): New function.
7690 (add_stores): Select MO_COPY when appropriate.
7691 (vt_initialize): Handle it.
7692 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7693 known locations for MO_SET and MO_CLOBBER.
7694 (find_variable_location_part): New function.
7695 (set_variable_part, delete_variable_part): Use it.
7696 (clobber_variable_part): New function.
7697 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7700 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7702 PR tree-optimization/26969
7703 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7704 with an empty list of PHIs.
7706 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7710 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7713 2006-08-06 Andreas Schwab <schwab@suse.de>
7715 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7716 string. Whitespace and comment fixup.
7718 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7721 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7725 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7728 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7730 2006-08-04 Jan Hubicka <jh@suse.cz>
7734 * reload.c (push_reload): Patch out the mismatching instruction;
7736 (find_reload): Bail out if the instruction was patched out.
7738 2006-08-04 Jan Hubicka <jh@suse.cz>
7740 PR tree-optimization/24888
7741 * tree-inline.c (expand_call_inline): Do not re-record variables.
7742 (declare_inline_vars): Add variable to unexpanded_var_list.
7744 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7745 Roger Sayle <roger@eyesopen.com>
7747 PR rtl-optimization/26244
7748 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7749 inner_const are negative or greater than or equal to the bitsize of
7750 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7751 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7752 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7753 CONST0_RTX (mode) when the new shift count is greater than or equal to
7754 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7757 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7759 * tree-cfg.c: Fix a comment typo.
7761 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7764 * varasm.c (output_constant): Give the front end another chance to
7765 expand constants, after stripping NOPs.
7767 2006-08-03 Jan Hubicka <jh@suse.cz>
7769 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7772 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7774 PR tree-optimization/27770
7775 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7776 declaration removed (moved to tree-flow.h).
7777 (vect_can_force_dr_alignment_p): Likewise.
7778 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7779 (moved from tree-vectorizer.h).
7780 (vect_can_force_dr_alignment_p): Likewise.
7781 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7782 from outside the vectorizer - in particular from cgraph stage.
7783 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7784 the alignment of global arrays when -fsection-anchors is enabled.
7785 * cgraphunit.c (cgraph_increase_alignment): New function.
7786 (cgraph_optimize): Call cgraph_increase_alignment.
7788 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7791 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7792 not reload a SPE symbol_ref into a lo_sum address.
7794 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7797 * dwarf2out.c (prune_unused_types_prune): Move call to
7798 prune_unused_types_update_strings to cover the parent DIE also.
7800 2006-08-02 Jan Hubicka <jh@suse.cz>
7802 PR gcov/profile/28480
7803 * tree-cfg.c (change_bb_for_stmt): New function.
7804 (tree_merge_blocks, tree_split_blocks): Use it.
7806 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7812 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7813 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7814 (cgraph_optimize): Likewise.
7816 2006-08-01 Stuart Hastings <stuart@apple.com>
7818 * rtl.h (UINTVAL) New.
7819 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7820 * testsuite/gcc.dg/20060801-1.c: New.
7822 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7825 * c-typeck.c (build_external_type): Mark used enum types.
7826 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7828 (gen_subprogram_die): Whitespace fix.
7830 2006-08-01 Jan Hubicka <jh@suse.cz>
7832 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7833 bitmap when not needed.
7834 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7837 2006-08-01 Dirk Mueller <dmueller@suse.de>
7839 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7841 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7843 * Makefile.in: Revert part of previous patch:
7844 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7847 2006-07-30 Eric Christopher <echristo@apple.com>
7850 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7851 (PowerPC Variable Attributes): New section.
7853 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7855 PR target/28126 (partial fix)
7856 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7858 2006-07-28 Jan Hubicka <jh@suse.cz>
7860 PR rtl-optimization/28071
7861 * cfgrtl.c (rtl_delete_block): Free regsets.
7862 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7864 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7866 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7867 and variables used in dependencies.
7869 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7871 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7872 %fs for -mcmodel=kernel.
7873 (stack_tls_protect_test_di): Likewise.
7875 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7877 * Makefile.in: Use mkinstalldirs.
7879 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7882 * opts-common.c (prune_options): Skip joined switches.
7884 2006-07-27 Jan Hubicka <jh@suse.cz>
7886 PR rtl-optimization/28071
7887 * cselib.c (cselib_process_insn): Don't remove useless values too
7888 often for very large hashtables.
7890 2006-07-27 Jan Hubicka <jh@suse.cz>
7892 PR rtl-optimization/28071
7893 * global.c (greg_obstack): New obstack.
7894 (allocate_bb_info): Use it.
7895 (free_bb_info): Likewise.
7896 (modify_reg_pav): Likewise.
7898 2006-07-27 Roger Sayle <roger@eyesopen.com>
7900 * builtins.c (fold_fixed_mathfn): When long and long long are the
7901 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7902 functions to their lceil*, lfloor*, lround* and lrint* forms.
7904 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7907 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7909 (rev_branch_insn): Likewise.
7911 2006-07-27 Jan Hubicka <jh@suse.cz>
7913 PR rtl-optimization/28071
7914 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7915 (reg_set_in_bb, max_reg_computed): New static variables.
7916 (regmove_optimize): Free the new array.
7917 (fixup_match_1): Update call of reg_is_remote_constant_p.
7919 2006-07-26 Jan Hubicka <jh@suse.cz>
7921 PR tree-optimization/27882
7922 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7924 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7926 (cgraph_analyze_compilation_unit): Likewise.
7927 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7928 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7929 (cgraph_early_inlinine): Make order garbage collected.
7930 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7932 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7934 * dbxout.c (output_types_sort): Add a comment.
7935 (output_used_types): Free the VEC.
7937 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7939 * function.c (reorder_fix_fragments): Delete.
7940 (reorder_blocks): Don't call it.
7941 (reorder_blocks_1): Put all subblocks under the origin block.
7943 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7945 PR rtl-optimization/27907
7946 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7949 2006-07-25 Roger Sayle <roger@eyesopen.com>
7952 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7953 bar(x) check that bar's result type can represent all the values of T.
7955 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7957 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7959 2006-07-25 Nick Clifton <nickc@redhat.com>
7961 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7962 size_lookup[] array.
7963 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7964 (ggc_pch_count_object): Likewise.
7965 (ggc_pch_alloc_object): Likewise.
7966 (ggc_pch_write_object): Likewise.
7967 (init_ggc): Do not attempt to initialize entries in the
7968 size_lookup[] array for objects whose size is greater than than
7969 the length of the array.
7971 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7973 * dbxout.c (output_used_types_helper): Push queued types
7975 (output_types_sort): New.
7976 (output_used_types): Collect used types on a VEC and sort them
7979 2006-07-24 Richard Guenther <rguenther@suse.de>
7982 * cgraph.c (cgraph_remove_node): Do not check if dumps
7984 * cgraphunit.c (cgraph_optimize): Likewise.
7986 2006-07-24 Jan Hubicka <jh@suse.cz>
7988 PR rtl-optimization/28071
7989 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7990 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7991 splitting before first stmt.
7993 2006-07-24 Jan Hubicka <jh@suse.cz>
7995 PR rtl-optimization/28071
7996 * ipa-inline.c (update_caller_keys): Remove edges that
7997 are no longer inline candidates.
7999 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8002 * dbxout.c (output_used_types_helper, output_used_types): New.
8003 (dbxout_symbol): Call output_used_types.
8005 2006-07-23 Jan Hubicka <jh@suse.cz>
8009 * cgraph.c (cgraph_varpool_nodes): Export.
8010 (decide_is_variable_needed): Ignored "used" attribute in
8011 unit-at-a-time mode.
8012 * cgraph.h (cgraph_varpool_nodes): Declare.
8013 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8014 unit-at-a-time mode.
8016 2006-07-23 Roger Sayle <roger@eyesopen.com>
8019 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8020 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8021 the __gthrw form of thr_keycreate.
8022 (__gthread_key_delete): Silence the unused argument warning.
8024 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8027 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8028 Cache the last found '\0' marker to avoid quadratic behavior.
8030 2006-07-23 Jan Hubicka <jh@suse.cz>
8032 * i386.md (subsi_3_zext): Fix output template.
8034 2006-07-21 Mike Stump <mrs@apple.com>
8036 * doc/invoke.texi (C++ Dialect Options): Note that
8037 -fvisibility-inlines-hidden doesn't affect explicitly
8038 instantiationed inline methods.
8040 2006-07-20 Roger Sayle <roger@eyesopen.com>
8042 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8043 if the target assembler is GNU binutils' gas.
8044 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8045 whether to pass GNU gas or native as command line options.
8047 2006-07-20 Jason Merrill <jason@redhat.com>
8049 * tree.c (remove_attribute): New fn.
8050 * tree.h: Declare it.
8052 2006-07-20 Paul Brook <paul@codesourcery.com>
8055 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8056 they are invalidated by this instruction.
8058 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8061 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8063 2006-07-20 Eric Christopher <echristo@apple.com>
8066 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8068 2006-07-19 Eric Christopher <echristo@apple.com>
8070 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8071 Rewrite dependencies for libgcc_s.1.dylib.
8073 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8075 * except.c (duplicate_eh_regions_1): Clear next_peer.
8077 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8079 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8080 -mlongcall does not guarantee all calls will be long.
8081 * doc/extend.texi (long_call/short_call): Document that longcall
8082 does not guarantee a long call will be used.
8083 (longcall/shortcall): Likewise.
8085 2006-07-18 Roger Sayle <roger@eyesopen.com>
8088 * expmed.c (expand_shift): Additionally check that the shift_cost
8089 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8090 before implementing a LSHIFT_EXPR as a sequence of additions.
8091 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8092 middle-end that DImode shifts need to be synthesized by expand.
8094 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8097 * tree-ssa-operands.c (access_can_touch_variable): Update
8099 Return true if ALIAS is .GLOBAL_VAR.
8101 2006-07-18 David Daney <ddaney@avtrex.com>
8103 * gcc.c (display_help): Fix typo in help text.
8105 2006-07-18 Olivier Hainque <hainque@adacore.com>
8107 * tree.h (categorize_ctor_elements): Adjust prototype and add
8108 descriptive comment, both in accordance with the interface change
8110 * varasm.c (constructor_static_from_elts_p): New function.
8111 Whether a constructor node is a valid static constant initializer
8112 if all its elements are.
8113 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8114 * output.h: Declare it.
8115 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8116 is a valid constant initializer instead of computing the number of
8117 non-constant elements. Use constructor_static_from_elts_p for this
8118 purpose. Replace the head comment with an indication that this is a
8119 helper for categorize_ctor_elements.
8120 (categorize_ctor_elements): Same interface change as for the _1
8121 helper. Former head comment from this helper moved here, adjusted to
8122 account for the interface changes.
8123 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8124 (all_zeros_p): Likewise.
8125 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8126 static versions of the constructor from the categorize_ctor_elements
8127 return value instead of the formerly computed number of non-constant
8130 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8132 * configure: Regenerate.
8133 * Makefile.in (build_libsubdir): New configure substitution
8134 (build_libobjdir): New variable.
8135 (BUILD_LIBIBERTY): Use it.
8137 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8140 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8142 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8145 * c-common.c (handle_weakref_attribute): Ignore attribute in
8146 the same conditions the alias attribute is ignored.
8148 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8150 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8151 (dbxout_begin_prologue): Increment scope_labelno.
8153 2006-07-17 Richard Henderson <rth@redhat.com>
8156 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8159 2006-07-17 Roger Sayle <roger@eyesopen.com>
8160 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8162 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8163 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8164 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8165 functions such as sbrk, write, etc.. Add function prototypes.
8166 Convert function declarations from K&R to ISO C. Cast pointers
8167 to "long" and "unsigned long" instead of "int" and "unsigned int".
8168 Convert tokens following #endif into comments.
8170 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8172 * invoke.texi: Remove mention of f77; Reformat table for
8173 inline parameter options correctly; mention that -malign-double
8174 is default on x86-64 targets.
8176 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8178 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8179 (convert_affine_scev, chrec_convert_aggressive): Use
8180 avoid_arithmetics_in_type_p. Do not check for the subtypes
8183 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8186 * optabs.c (expand_doubleword_shift): Wrap the call to
8187 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8189 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8192 * optabs.c (expand_binop): Pass next_methods rather than methods
8193 to expand_doubleword_shift.
8195 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8198 * tree.h (dump_addr): Declare.
8199 * print-tree.c (dump_addr): New function.
8200 (print_node_brief, print_node): Use it.
8201 * print-rtl.c (print_rtx): Likewise.
8202 * common.opt (-fdump-noaddr): New option.
8203 * doc/invoke.texi (-fdump-noaddr): Document.
8204 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8205 (ve_info_hash): Likewise.
8207 2006-07-13 Andrew Haley <aph@redhat.com>
8209 PR tree-optimization/19505
8210 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8211 edge leaving this block, make sure that the destination of this
8212 block has only one predecessor.
8214 2006-07-17 Richard Guenther <rguenther@suse.de>
8216 PR tree-optimization/28238
8217 * tree-inline.c (copy_bb): Check if we produced valid
8218 gimple copying and substituting a stmt. If not, gimplify
8221 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8223 * optabs.c (maybe_encapsulate_block): New function extracted from...
8224 (emit_libcall_block): ...here. Invoke it on the block of insns to
8225 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8226 (emit_no_conflict_block): Likewise.
8228 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8230 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8232 2006-07-15 Roger Sayle <roger@eyesopen.com>
8234 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8235 a new NOP_EXPR case of the switch statement.
8237 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8240 * stor-layout.c (place_field): Take the bit field with
8241 an excessive size into account in the ms-bitfiled case.
8244 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8245 the previous bit field.
8247 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8250 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8252 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8254 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8255 signal frames correctly even when the signal was installed with
8258 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8260 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8261 (dbxout_function_end): Use local label LFBB. Remove hook
8263 (dbxout_source_line): Use local label LFBB.
8264 (dbxout_block): Likewise.
8265 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8266 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8267 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8268 and DBX_OUTPUT_NFUN.
8270 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8272 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8274 2006-07-13 Jan Hubicka <jh@suse.cz>
8276 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8278 * output.h (align_variable): Declare.
8279 * varasm.c (align_variable): Export.
8280 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8281 when basic block changed.
8283 2006-07-13 Nick Clifton <nickc@redhat.com>
8285 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8286 walking the LOG_LINKS chain.
8288 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8290 * doc/invoke.texi (C++ Dialect Options): Explain difference
8291 between -fvisibility-inlines-hidden and setting hidden
8292 visibility explicitly.
8294 2006-07-12 Eric Christopher <echristo@apple.com>
8296 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8297 (stmp-lipo): Depend on libgcc.a.
8299 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8301 * tree.c: Fix a comment typo.
8303 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8305 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8307 (umulhisi3_r): Likewise.
8309 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8312 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8313 x < 19, vs wchar_t support.
8315 2006-07-12 Nick Clifton <nickc@redhat.com>
8317 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8318 instead of -isa=sh4.
8320 2006-07-12 Mike Stump <mrs@apple.com>
8322 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8324 2006-07-10 Eric Christopher <echristo@apple.com>
8326 * config/t-slibgcc-darwin: Rewrite.
8328 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8331 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8334 2006-07-08 Matthias Klose <doko@debian.org>
8336 * doc/sourcebuild.texi: Fix typo.
8338 2006-07-07 Mike Stump <mrs@apple.com>
8340 * toplev.c (process_options): Don't give -ffunction-sections may
8341 affect debugging warning for Mach-O.
8343 2006-07-07 James E Wilson <wilson@specifix.com>
8345 * config/mips/mips.md (cpu): Add sb1a.
8346 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8347 addition to sb1. Adjust comments to clarify SB-1A differences from
8349 (ir_sb1a_load): New. Modify bypasses to use it.
8350 (ir_sb1a_simple_alu): Likewise.
8351 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8352 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8353 (mips_issue_rate): Add PROCESSOR_SB1A.
8354 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8355 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8356 (TARGET_SB1): Add PROCESSOR_SB1A check.
8357 (TUNE_SB1): Likewise.
8359 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8360 * config/mips/mips.c (mips_store_data_bypass_p): New.
8361 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8362 store_data_bypass_p.
8364 2006-07-08 Paul Brook <paul@codesourcery.com>
8367 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8369 2006-07-07 Richard Guenther <rguenther@suse.de>
8372 * tree.h (build_one_cst): Declare.
8373 * tree.c (build_one_cst): New function.
8374 * tree-ssa-math-opts.c (get_constant_one): Remove.
8375 (insert_reciprocals): Use build_one_cst.
8376 * fold-const.c (fold_plusminus_mult): Likewise.
8378 2006-07-07 Roger Sayle <roger@eyesopen.com>
8380 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8381 * cfgloopanal.c (dump_graph): Likewise.
8382 * dojump.c (discard_pending_stack_adjust): Likewise.
8383 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8385 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8386 * function.c (finalize_block_changes): Likewise.
8387 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8388 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8389 * rtl.c (dump_rtx_statistics): Likewise.
8390 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8392 * varray.c (dump_varray_statistics): Likewise.
8393 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8394 decode_decimal64, encode_decimal128, decode_decimal128,
8395 decimal_real_to_decimal): Likewise.
8397 2006-07-07 Richard Guenther <rguenther@suse.de>
8399 PR tree-optimization/28187
8400 * tree-vrp.c (vrp_operand_equal_p): New function.
8401 (vrp_bitmap_equal_p): Likewise.
8402 (update_value_range): Use them to compare old and new
8405 2006-07-06 Roger Sayle <roger@eyesopen.com>
8407 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8408 a default case to switch statement to silence compiler warnings.
8410 2006-07-06 Roger Sayle <roger@eyesopen.com>
8413 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8414 the configured assembler supports the x87's ffreep mnemonic.
8415 * configure: Regenerate.
8416 * config.in: Regenerate.
8418 * config/i386/i386.c (output_387_ffreep): New function.
8419 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8420 (output_387_reg_move): Likewise.
8422 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8424 Port to hosts whose 'sort' and 'tail' implementations
8425 treat operands with leading '+' as file names, as POSIX
8426 has required since 2001. However, make sure the code still
8427 works on pre-POSIX hosts.
8428 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8429 which says you should use "tail -c +N" rather than "tail +Nc".
8430 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8432 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8434 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8437 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8440 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8441 PRE_{INC,DEC} of TFmode.
8443 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8444 Alan Modra <amodra@bigpond.net.au>
8447 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8450 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8453 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8454 Remove duplicate gtu.
8456 2006-07-05 Jason Merrill <jason@redhat.com>
8460 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8461 * c-common.c (handle_packed_attribute): So don't copy it here.
8462 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8464 2006-07-05 Mike Stump <mrs@apple.com>
8466 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8468 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8471 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8473 2006-07-05 Richard Guenther <rguenther@suse.de>
8476 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8477 TARGET_SSE2 targets if using SSE math.
8478 (*absdf2_1): Likewise.
8480 2006-07-05 Richard Guenther <rguenther@suse.de>
8482 PR tree-optimization/28162
8483 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8484 make sure to convert the operands to the correct type.
8486 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8488 PR tree-optimization/28218
8490 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8491 to calculate and free the dominator information.
8493 2006-07-04 Peter O'Gorman <peter@pogma.com>
8495 * mklibgcc.in: chmod 644 before ranlib during install.
8497 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8498 J"orn Rennecke <joern.rennecke@st.com>
8500 * configure.ac (.eh_frame data check): Use diff -b.
8502 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8505 * Makefile.in (BUILD_RTL): Add build/vec.o.
8506 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8507 (build/genextract): Delete.
8508 (build/genautomata): Likewise.
8510 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8513 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8514 128-bit IBM long doubles for ABI_V4.
8516 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8518 * tree.c (range_in_array_bounds_p): New predicate.
8519 * tree.h (range_in_array_bounds_p): Declare it.
8520 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8521 return a less conservative answer.
8522 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8523 and flag 'is_group'.
8524 (IS_ELEMENT_FOR_GROUP): New macro.
8525 (FOR_EACH_ACTUAL_CHILD): Likewise.
8526 (next_child_for_group): New helper function.
8527 (can_completely_scalarize_p): Take into account groups.
8528 (sra_hash_tree): Handle RANGE_EXPR.
8529 (sra_elt_eq): Likewise.
8530 (lookup_element): Be prepared for handling groups.
8531 (is_valid_const_index): Delete.
8532 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8533 instead of is_valid_const_index.
8534 <ARRAY_RANGE_REF>: New case.
8535 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8536 is_valid_const_index.
8537 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8538 (scan_dump): Dump info for groups too.
8539 (decide_instantiation_1): Likewise.
8540 (decide_block_copy): Assert that the element is not a group.
8541 Propagate decision to groups.
8542 (generate_one_element_ref): Handle RANGE_EXPR.
8543 (mark_no_warning): Iterate over actual childs.
8544 (generate_copy_inout): Likewise.
8545 (generate_element_copy): Likewise.
8546 (generate_element_zero): Likewise.
8547 (generate_element_init_1): Likewise.
8548 (dump_sra_elt_name): Handle RANGE_EXPR.
8550 2006-07-03 Roger Sayle <roger@eyesopen.com>
8552 PR tree-optimization/26251
8553 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8554 (thread_block): When optimizing for size refuse to thread jumps
8555 that would require duplication of blocks other than redirection
8558 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8560 * configure.ac: Fix thinko in previous check-in.
8561 * configure: Regenerate.
8563 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8566 * configure.ac (for lang...): Simplify nesting of conditionals.
8567 Test subdir_requires for non-enabled languages. Move processing
8568 of lang_opt_files and lang_tree_fiels below that test.
8569 * configure: Regenerate.
8570 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8572 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8574 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8576 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8578 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8581 2006-06-29 Jason Merrill <jason@redhat.com>
8588 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8589 * c-common.c (c_determine_visibility): Handle it here.
8590 * c-decl.c (finish_decl): Call c_determine_visibility for
8592 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8594 * varasm.c (default_assemble_visibility): Likewise.
8595 * c-common.c (handle_visibility_attribute): Complain about trying
8596 to give visibility to an already defined class, or trying to change
8597 declared visibility. Always attach the attribute.
8602 * attribs.c (decl_attributes): Ignore type-in-place attributes
8603 once the type has been defined.
8605 2006-06-29 Roger Sayle <roger@eyesopen.com>
8608 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8609 to indicate the cpplib has issued an error message for us.
8611 2006-06-29 Asher Langton <langton2@llnl.gov>
8614 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8615 insert a label at the end of an function under Mach-O.
8617 2006-06-29 Eric Christopher <echristo@apple.com>
8618 Evan Cheng <evan.cheng@apple.com>
8620 * predicates.md (vector_all_ones_operand): New.
8621 (nonimmediate_or_sse_const_operand): Ditto.
8622 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8623 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8624 (standard_sse_mode_p): Ditto.
8625 (standard_sse_constant_p): Add case for -1 vector.
8626 (ix86_expand_vector_move): Try to use.
8627 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8628 Call standard_sse_constant_opcode.
8629 (*movv4sf_internal): Ditto.
8630 (*movv2df_internal): Ditto.
8632 2006-06-29 Roger Sayle <roger@eyesopen.com>
8634 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8635 of XEXP to extract the operands of a MATCH_CODE rtx.
8637 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8639 * tree.c (tree_size): Do not waste tail padding in
8640 struct tree_string and make the size be the same as
8641 build_string will generate.
8643 2006-06-28 Jason Merrill <jason@redhat.com>
8646 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8647 may_aliases already in the tag's annotations to the bitmap.
8649 2006-06-28 Roger Sayle <roger@eyesopen.com>
8651 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8653 2006-06-28 Roger Sayle <roger@eyesopen.com>
8655 * genpreds.c (generate_switch_p): New function.
8656 (add_mode_tests): Push the new mode test down inside an AND expr
8657 if this allows the switch-suitable MATCH_CODE to be near the root.
8658 (write_match_code_switch): New function to write a MATCH_CODE as
8660 (write_predicate_stmts): New function to write a predicate RTX
8661 expression as a sequence of statements.
8662 (write_one_predicate_function): Use write_predicate_stmts.
8663 (write_tm_constrs_h): Likewise.
8665 2006-06-26 Fred Fish <fnf@specifix.com>
8667 * config/mips/t-sb1: New file.
8668 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8671 2006-06-26 DJ Delorie <dj@redhat.com>
8673 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8675 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8676 Jayant Sonar <jayants@kpitcummins.com>
8677 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8679 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8680 (subsi3, subsi3_1, subsi3_2): New.
8681 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8682 * config/m32c/mov.md (SI mov peephole): New.
8683 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8684 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8686 2006-06-26 Olivier Hainque <hainque@adacore.com>
8688 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8689 a CALL_EXPR target function declaration.
8691 2006-06-26 Richard Guenther <rguenther@suse.de>
8693 * tree.c (build_string): Do not waste tail padding in
8696 2006-06-26 Richard Guenther <rguenther@suse.de>
8698 * ggc-page.c (init_ggc): Add missing element to size_lookup
8702 2006-06-23 Richard Guenther <rguenther@suse.de>
8704 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8705 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8706 alignment requests instead. Add verification code.
8707 Add struct tree_function_decl and struct tree_binfo size to
8708 extra_order_size_table. Add missing element to size_lookup
8711 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8714 * fold-const.c (const_binop): Be prepared for self returning zero.
8715 Simplify code handling complex values.
8717 2006-06-24 Olivier Hainque <hainque@adacore.com>
8719 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8720 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8723 2006-06-24 Olivier Hainque <hainque@adacore.com>
8725 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8726 ARRAY_REF, so have the callback called for the low bound expression.
8728 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8730 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8731 * c-typeck.c (c_common_type): Disallow operations on decimal float
8732 types and other float types.
8733 * convert.c (convert_to_real): Don't ignore conversions involving
8734 decimal float types.
8736 2006-06-23 Olivier Hainque <hainque@adacore.com>
8738 * tree.c (max_int_size_in_bytes): New function, inspired from
8739 code in function.c:assign_temp.
8740 * tree.h (max_int_size_in_bytes): Declare.
8741 * function.c (assign_temp): Use it.
8742 * gimplify.c (create_tmp_var): Relax the assertions on the type
8743 properties, not mandating constant size any more.
8744 (force_constant_size): New static function.
8745 (gimple_add_tmp_var): Use it, forcing variable size to a
8746 constant upper bound if it is not constant on entry.
8748 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8751 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8752 for initialization and setting of one_only flag to ...
8753 (i386_pe_encode_section_info): ...here.
8754 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8755 Recheck that the symbol has not been defined.
8757 2006-06-23 Richard Guenther <rguenther@suse.de>
8759 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8760 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8761 alignment requests instead. Add verification code.
8762 Add struct tree_function_decl and struct tree_binfo size to
8763 extra_order_size_table. Add missing element to size_lookup
8766 2006-06-22 Roger Sayle <roger@eyesopen.com>
8767 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8770 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8771 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8773 2006-06-23 Ben Elliston <bje@au.ibm.com>
8775 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8776 negate dn -- manipulate it directly.
8778 2006-06-22 Roger Sayle <roger@eyesopen.com>
8779 Steven Bosscher <stevenb.gcc@gmail.com>
8782 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8783 generated by gen_move_insn to add REG_LABEL notes if necessary.
8785 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8787 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8788 (leaf_entry): Remove use of MIN_ESA.
8790 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8792 PR rtl-optimization/28121
8793 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8796 2006-06-21 DJ Delorie <dj@redhat.com>
8798 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8800 (mulhisi3_r): Likewise.
8802 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8805 * coverage.c (coverage_counter_alloc): Leave the index type
8807 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8810 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8812 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8813 section from the "Options for Code Generation Conventions".
8815 2006-06-21 Richard Henderson <rth@redhat.com>
8819 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8821 (global_symbolic_operand): Allow weak symbols, even if local_p.
8823 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8825 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8826 (find_interesting_uses_address): Punt if above function returns true.
8828 2006-06-21 Richard Guenther <rguenther@suse.de>
8830 * configure: Regenerated.
8832 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8834 * config/mips/mips.c (function_arg): Where one part of a
8835 complex argument is in registers and the other part in the stack,
8836 return a REG not a PARALLEL.
8838 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8840 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8841 when cross-compiling. Do not substitute libstdcxx_incdir.
8842 * configure: Regenerated.
8844 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8846 * varasm.c (mergeable_string_section): Check for embedded NULs and
8847 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8848 rather than TREE_STRING_LENGTH bytes.
8850 2006-06-21 Richard Guenther <rguenther@suse.de>
8852 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8853 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8856 2006-06-21 Richrad Guenther <rguenther@suse.de>
8858 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8859 Limit iteration over the dominators.
8861 2006-06-20 Roger Sayle <roger@eyesopen.com>
8863 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8864 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8866 2006-06-20 Richard Guenther <rguenther@suse.de>
8867 Michael Matz <matz@suse.de>
8869 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8871 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8872 * et-forest.h (et_free_pools): Prototype new function.
8873 * et-forest.c (et_free_tree_force): Free parent occurrence.
8874 (et_free_pools): New function.
8875 * dominance.c (free_dominance_info): Free et-forest alloc
8878 2006-06-20 Roger Sayle <roger@eyesopen.com>
8880 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8881 integer modes, attempt to directly construct an integer constant.
8883 * fold-const.c (native_encode_vector): Determine the size of each
8884 element from the vector type instead of the first vector element.
8886 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8887 if all of its elements/components are constant.
8888 (build_constructor_from_list): Likewise.
8890 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8892 PR tree-optimization/27331
8893 * tree-data-ref.c (free_data_ref): New function.
8894 (create_data_ref): Fail if the data reference has unknown access
8896 (free_data_refs): Use free_data_ref.
8898 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8901 * tree-inline.c (setup_one_parameter): Strip useless
8902 type conversion before adding it to the IR.
8903 (declare_return_variable): Likewise.
8905 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8908 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8910 2006-06-19 Mike Stump <mrs@apple.com>
8912 * tree.c (variably_modified_type_p): VM arguments don't make the
8915 2006-06-19 Richard Guenther <rguenther@suse.de>
8917 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8918 type conversions after folding.
8920 2006-06-19 Richard Guenther <rguenther@suse.de>
8922 * ggc-page.c (extra_order_size_tab): Add entries with
8923 size of struct function and basic_block.
8924 (size_lookup): Extend to cover sizes up to 511.
8925 (ggc_alloc_stat): Adjust user.
8926 (ggc_pch_count_object): Likewise.
8927 (ggc_pch_alloc_object): Likewise.
8928 (ggc_pch_write_object): Likewise.
8930 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8932 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8933 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8936 2006-06-19 Denis Chertykov <denisc@overta.ru>
8938 * config/avr/libgcc.S : Correct my wrong previous commit.
8940 2006-06-19 Roger Sayle <roger@eyesopen.com>
8943 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8944 have stripped a SUBREG from the shift count, so we may need to
8945 convert_to_mode back to the type's mode before calling make_tree.
8946 Use new_amount instead of amount to avoid expanding a tree twice.
8948 2006-06-19 Richard Guenther <rguenther@suse.de>
8951 * fold-const.c (operand_equal_p): Check if the argument types
8952 have the same precision before stripping NOPs.
8954 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8956 Fix PR tree-optimization/27341
8957 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8959 * tree-complex.c (pass_lower_complex): Update SMT usage.
8961 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8963 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8964 Add a new alternative to the constraint strings. Add move of
8965 operand 1 to 3 to the splitter definition.
8966 ("doloop_si_long"): Second contraint alternative removed.
8968 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8970 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8971 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8973 (AVR_HAVE_MOVW) Define.
8974 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8975 (ASM_SPEC): Add avr25.
8976 (LINK_SPEC): Add avr25.
8977 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8978 (base_arch_s): Add new member 'have_movw_lpmx'.
8979 (avr_arch_types): Init 'have_movw_lpmx'.
8980 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8981 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8982 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8983 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8984 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8986 (avr_file_start): Do not output '.arh' derective.
8987 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8988 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8989 * config/avr/avr.md (mcu_enhanced): Delete.
8990 (mcu_have_movw): Define.
8991 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8992 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8993 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8994 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8995 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8996 attiny861 and at86rf401 devices.
8998 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9000 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9003 2006-06-17 Karl Berry <karl@gnu.org>
9005 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9006 doc/gccint.texi, doc/install.texi (@dircategory): Use
9007 "Software development" instead of "Programming", following
9008 the Free Software Directory.
9010 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9012 * config/i386/i386.c (legitimate_tls_address)
9013 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9014 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9015 (*tls_dynamic_gnu2_combine_64): Likewise.
9017 2006-06-16 Richard Guenther <rguenther@suse.de>
9020 * fold-const.c (negate_expr_p): Do not introduce undefined
9021 overflow in negating INTEGER_CSTs.
9022 (fold_negate_expr): Rename from negate_expr. Revert last
9023 change for folding BIT_NOT_EXPR. Change semantics to
9024 return NULL_TREE for non-simplified negations. Do not
9025 strip type conversions and unify type handling.
9026 (negate_expr): New function, wrap around fold_negate_expr
9027 but ensure building a tree always. Strip type conversions
9028 here, fold to result type.
9029 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9031 2006-06-16 Roger Sayle <roger@eyesopen.com>
9034 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9035 that (would) return their results in stack registers.
9037 2006-06-16 Michael Matz <matz@suse.de>
9038 Richard Guenther <rguenther@suse.de>
9040 * fold-const.c (fold_truthop): Only return new tree node if
9041 we canonicalized something.
9043 2006-06-16 Richard Guenther <rguenther@suse.de>
9045 * function.h (enum function_frequency): Move declaration
9046 out of struct function.
9047 (struct function): Move bool fields and the enum to the bitfield
9048 section. Reorder elements to avoid padding. Remove unused
9049 fields left over from the RTL inliner removal.
9050 * function.c (free_after_compilation): Do not zero removed fields.
9051 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9052 (ipa-type-escape.o): Likewise.
9054 2006-06-16 Richard Guenther <rguenther@suse.de>
9056 * cgraph.h (struct cgraph_local_info): Turn bool elements
9058 (struct cgraph_node): Likewise.
9059 (struct cgraph_varpool_node): Likewise.
9061 2006-06-15 Richard Guenther <rguenther@suse.de>
9063 * fold-const.c (fold_truth_not_expr): Rename from
9064 invert_truthvalue. Give it fold_* semantics to avoid
9066 (invert_truthvalue): New function. Wrapper around
9067 fold_truth_not_expr.
9068 (optimize_minmax_comparison): Avoid creating garbage.
9069 (fold_unary): Use fold_truth_not_expr for folding
9071 (fold_ternary): Replace uses of invert_truthvalue with
9072 fold_truth_not_expr where applicable.
9073 * tree.h (fold_truth_not_expr): Prototype.
9075 2006-06-16 Richard Guenther <rguenther@suse.de>
9077 PR tree-optimization/27781
9078 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9079 * ipa-pure-const.c (target.h): Include.
9080 (analyze_function): Do not analyze functions that do not
9083 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9086 * tree-dfa.c (referenced_vars_dup_list): Remove.
9087 (find_referenced_vars): Remove assert.
9088 (referenced_var_check_and_insert): Replace dup list with assert.
9089 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9090 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9092 2006-06-15 Richard Guenther <rguenther@suse.de>
9094 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9095 extra unused identifiers if not dumping.
9096 (create_variable_info_for): Likewise.
9098 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9100 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9101 (derive_constant_upper_bound): Derive more precise upper bound in
9102 common cases. Return type changed to double_int.
9103 (record_estimate): Reflect the changed return type of
9104 derive_constant_upper_bound.
9105 * double-int.c (double_int_zext, double_int_sext): Fix.
9107 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9109 * configure.ac (CFLAGS): Get them from the toplevel or from the
9110 configure invocation.
9111 * configure: Regenerate.
9112 * Makefile.in (CFLAGS): Substitute value provided by configure.
9114 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9117 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9118 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9119 rather than calling add_stmt on it.
9120 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9122 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9125 * reload1.c (reload): Remove registers returned by update_eliminables
9126 from used_spill_regs.
9128 2006-06-13 DJ Delorie <dj@redhat.com>
9130 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9132 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9134 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9135 html__strip_dir, html__mkdir_p. Enhance install-html target.
9136 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9137 * configure: Regenerate.
9139 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9141 * fold-const.c (fold_cond_expr_with_comparison): Check for
9142 Objective-C++ as language in deciding COND_EXPR transformation.
9144 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9147 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9148 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9149 * config/sh/lib1funcs.h (SL, SL1): Define.
9150 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9151 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9152 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9153 (OBJS_Os_4_200): New variable.
9154 ($(T)libgcc-Os-4-200.a): Use it.
9155 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9156 when dividing 1 and/or by 0.
9158 2006-06-13 Roger Sayle <roger@eyesopen.com>
9160 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9161 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9162 * configure: Regenerate.
9164 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9166 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9167 for real instruction.
9169 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9172 * haifa-sched.c (check_cfg): Handle special case.
9174 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9177 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9178 Add debug_info parameter. Chain the vars to the BLOCK instead
9179 of the BIND_EXPR if debug info are requested for them.
9180 (pop_gimplify_context): Adjust for above change.
9181 (gimple_add_tmp_var): Likewise.
9182 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9184 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9185 (convert_local_reference): Likewise.
9186 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9187 (finalize_nesting_tree_1): Request that debug info be emitted
9188 for debug_var_chain.
9190 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9192 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9193 for PR target/27863.
9195 2006-06-13 Richard Guenther <rguenther@suse.de>
9198 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9200 2006-06-13 Richard Guenther <rguenther@suse.de>
9202 PR tree-optimization/27830
9203 * tree-inline.c (copy_body_r): For copying the operand
9204 of an ADDR_EXPR make sure to fold &* afterwards.
9206 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9208 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9209 lvalues in the fb_none case with side-effects.
9211 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9213 * tree-flow.h: Remove the prototype for
9214 compute_phi_arg_on_exit.
9215 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9216 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9219 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9221 * builtins.c (expand_builtin_return_addr): Only use
9222 frame_pointer_rtx when count == 0 and we are expanding
9223 __builtin_return_address.
9225 2006-06-12 Fred Fish <fnf@specifix.com>
9227 * config/mips/mips.c (mips_file_start): Create special section
9228 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9230 2006-06-11 Eric Christopher <echristo@apple.com>
9233 * stor-layout.c (place_field): Remove check for
9234 remaining_in_alignment when aligning at the end of a run.
9236 2006-06-11 Eric Christopher <echristo@apple.com>
9239 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9242 2006-06-11 Roger Sayle <roger@eyesopen.com>
9245 Revert incorrect fix for PR target/27158
9246 2006-05-08 Roger Sayle <roger@eyesopen.com>
9247 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9248 of a reg_equiv_constant if the result is a legitimate constant.
9250 2006-06-11 Roger Sayle <roger@eyesopen.com>
9253 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9254 extract a CONST_VECTOR element and interpret it as an integer.
9255 (vspltis_constant): Use const_vector_elt_as_int instead of the
9256 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9257 * config/rs6000/predicates.md (easy_vector_const): Consider
9258 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9260 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9263 * stor-layout.c (update_alignment_for_field): Don't add extra
9264 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9267 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9269 * config/mips/t-rtems: Add EL/EB multilib variants.
9271 2006-06-09 Mike Stump <mrs@apple.com>
9273 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9275 2006-06-09 David Daney <ddaney@avtrex.com>
9277 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9279 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9281 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9283 2006-06-09 Richard Guenther <rguenther@suse.de>
9285 PR tree-optimization/26998
9286 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9287 of signed types, only TYPE_MIN_VALUE is special, but for both,
9288 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9289 in this case, as is -fwrapv.
9291 2006-06-08 Mike Stump <mrs@apple.com>
9294 * config/darwin.c (darwin_asm_output_anchor): Disable
9295 -fsection-anchors on darwin for now.
9296 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9297 * rs6000/rs6000.c (optimization_options): Likewise.
9299 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9302 * config/i386/i386.c (classify_argument): Skip fields with invalid
9305 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9307 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9308 (cse_insn): Likewise for the stack_pointer_rtx.
9310 2006-06-08 Roger Sayle <roger@eyesopen.com>
9312 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9313 conditions from floating point comparisons.
9315 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9318 * expmed.c (struct alg_hash_entry): Fix type of field T
9319 to match synth_mult argument.
9320 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9322 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9325 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9328 2006-06-08 Richard Guenther <rguenther@suse.de>
9331 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9332 only, if overflow is defined and not trapping.
9333 (negate_expr): Likewise.
9335 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9337 PR tree-optimization/27872
9338 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9339 flag on the new exit edge of the unrolled loop.
9341 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9343 PR rtl-optimization/26449
9344 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9346 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9349 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9350 referenced_variables with matching DECL_UID's.
9351 (find_referenced_vars): Make sure duplicate list is empty to start.
9352 (referenced_var_p): Remove.
9353 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9354 Check if var is in the list, and add if needed. Update the duplicate
9355 list if a different var is in the list with the same DECL_UID.
9356 (add_referenced_var): Call routine to check and insert.
9357 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9358 * tree-flow.h (referenced_vars_dup_list): External declaration.
9360 2006-06-07 Fred Fish <fnf@specifix.com>
9362 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9365 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9368 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9369 the imaginary and real parts of a clobbered register.
9370 Emit insn to set the imaginary part.
9372 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9374 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9375 in lieu of unwind-dw2-fde.c.
9377 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9379 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9381 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9384 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9385 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9386 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9387 V4SImode temporaries and operations instead.
9389 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9391 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9394 2006-06-06 Mike Stump <mrs@apple.com>
9396 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9397 installing during build.
9399 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9401 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9403 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9404 * config/ia64/ia64.c (params.h): New header.
9405 (ia64_optimization_options): New function to adjust parameters.
9406 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9407 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9408 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9410 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9412 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9414 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9417 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9419 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9420 Victor Kaplansky <victork@il.ibm.com>
9422 PR tree-optimization/26360
9423 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9426 2006-06-04 Roger Sayle <roger@eyesopen.com>
9427 Andrew Pinski <pinskia@physics.uc.edu>
9430 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9431 for LABEL_DECL before calling DECL_WEAK.
9434 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9435 LABEL_DECL and PARM_DECL.
9437 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9441 * c-decl.c (grokdeclarator): Disallow variably modified types at
9442 file scope. Avoid marking shared array type of constant size as
9445 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9448 * c-common.c (fold_offsetof_1): Handle static members.
9450 2006-06-04 Eric Christopher <echristo@apple.com>
9452 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9453 (debug_rli): Output value for remaining_in_alignment.
9454 (update_alignment_for_field): Unconditionalize
9455 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9456 extra alignment code.
9457 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9458 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9459 * tree.h (record_layout_info_s): Remove prev_packed.
9460 * doc/extend.texi (ms_struct): Add documentation of format.
9462 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9464 * tree.h: Declare folding_initializer.
9465 * builtins.c (fold_builtin_constant_p): Give definite answer
9466 if folding inside an initializer.
9467 * fold-const.c: Define folding_initializer.
9468 (START_FOLD_INIT): Save and then set folding_initializer.
9469 (END_FOLD_INIT): Restore folding_initializer.
9471 2006-06-04 Richard Guenther <rguenther@suse.de>
9473 PR tree-optimization/27039
9474 * fold-const.c (fold_comparison): Handle pointer comparison
9475 again for all comparison codes. Compare offsets in signed
9477 (fold_binary): Move code from here.
9479 2006-06-03 Roger Sayle <roger@eyesopen.com>
9482 * config/i386/i386.c (construct_container): Split static issued_error
9483 flag into issued_sse_arg_error, issued_sse_ret_error and
9484 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9485 requires the use of x87 registers and the user explicitly
9486 specified the -mno-80387 command line option.
9488 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9490 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9491 HAVE_DECL_SIGALTSTACK.
9493 (segv_handler): Use MC_FLD.
9494 * configure.ac: Check for a sigaltstack declaration.
9495 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9496 * configure: Regenerate.
9497 * config.in: Regenerate.
9499 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9502 * Makefile.in (stmp-fixinc): Fix typo.
9504 2006-06-02 Roger Sayle <roger@eyesopen.com>
9506 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9507 are type correct. Clean-up.
9508 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9509 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9511 2006-06-01 DJ Delorie <dj@redhat.com>
9513 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9514 shift, as we've disabled the "switch" insn that needs it.
9516 2006-06-01 Per Bothner <bothner@bothner.com>
9518 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9519 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9520 * c-ppoutput.c (cb_define): Don't increment line 0.
9522 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9524 * doc/invoke.texi: Add cpu_type power6.
9525 * config.gcc: Add cpu_type power6.
9526 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9527 to power5+ with Altivec.
9528 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9529 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9531 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9533 * config/avr/avr.h (SET_ASM_OP): Define.
9535 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9537 * config/bfin/bfin.c: Fix comment typos.
9539 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9542 * doc/install.texi: Document --enable-bootstrap and
9543 --disable-bootstrap.
9545 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9547 * doc/install.texi: Document that InfoZIP can replace jar.
9549 2006-05-31 Roger Sayle <roger@eyesopen.com>
9551 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9552 isn't available, directly generate the simpler x87 patterns without
9553 the (use (const_int 0)).
9554 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9555 implementation isn't available.
9556 (*negdf2_1): Likewise.
9557 (*negxf2_1): XF mode negation is always done using the x87.
9558 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9560 2006-05-31 Roger Sayle <roger@eyesopen.com>
9562 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9563 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9565 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9567 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9569 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9570 * config/bfin/bfin.c (basic-block.h): Include.
9571 (struct machine_function): New.
9572 (bfin_init_machine_status): New.
9573 (override_options): Initialize init_machine_status.
9574 (bfin_hardware_loop): New.
9575 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9576 (DEF_VEC_P (loop_info)): New.
9577 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9578 (struct loop_info): New.
9579 (loop_info): New typedef.
9580 (struct loop_work): New.
9581 (loop_work): New typedef.
9582 (DEF_VEC_O (loop_work)): New.
9583 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9584 (bfin_dump_loops): New.
9585 (bfin_bb_in_loop): New.
9586 (bfin_scan_loop): New.
9587 (bfin_optimize_loop): New.
9588 (bfin_reorg_loops): New.
9589 (bfin_reorg): Use bfin_reorg_loops.
9590 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9592 (I_REGNO_P): Simplify.
9593 (DP_REGNO_P, DPREG_P): New macros.
9594 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9595 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9596 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9597 Add LT_REGS, LC_REGS, LB_REGS.
9598 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9600 (REGNO_REG_CLASS): Deal with loop registers.
9601 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9603 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9604 New constants for loop registers.
9605 (UNSPEC_LSETUP_END): New.
9606 (seq_insns): New define_attr. Set it for appropriate insns.
9607 (movsi_insn): Add alternatives for move from/to
9608 loop count registers.
9609 (doloop_end): New define_expand.
9610 (loop_end): New define_insn.
9611 (define_split for bad doloop_end): New.
9612 (lsetup_with_autoinit): New define_insn.
9613 (lsetup_without_autoinit): New define_insn.
9614 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9615 * config/bfin/predicates.md (lc_register_operand): New.
9616 (lt_register_operand): New.
9617 (lb_register_operand): New.
9618 (nondp_register_operand): New.
9619 (nondp_reg_or_memory_operand): New.
9620 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9622 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9624 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9625 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9627 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9629 * Makefile.in (CATALOGS): Add po/ prefix.
9630 * configure: Regenerated.
9632 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9635 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9636 a shift operand before calling shift_op. Avoid redundant call of
9639 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9640 DJ Delorie <dj@redhat.com>
9642 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9643 we're inserting is a singlt-bit constant.
9645 2006-05-30 Roger Sayle <roger@eyesopen.com>
9647 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9648 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9650 2006-05-30 Roger Sayle <roger@eyesopen.com>
9652 PR tree-optimization/23452
9653 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9654 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9655 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9656 complex values and with -ffast-math for FP complex values.
9658 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9660 * c-common.h: Remove the prototype for yyparse.
9661 * rtl.h: Remove the prototype for init_loop.
9663 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9665 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9668 2006-05-30 Roger Sayle <roger@eyesopen.com>
9670 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9672 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9673 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9675 2006-05-30 Dirk Mueller <dmueller@suse.de>
9678 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9679 for CONSTANT_CLASS_P expresisons.
9681 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9684 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9686 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9688 PR tree-optimization/27779
9689 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9690 initial_condition instead of CHREC_LEFT.
9692 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9694 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9695 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9696 Make prototypes ISO C90.
9698 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9699 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9701 * see.c (see_analyze_one_def): Correct check.
9702 (see_get_extension_data): Check if extension is parallel.
9703 (see_get_extension_reg): Likewise.
9705 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9708 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9709 into register for (code == GTU).
9711 2006-05-29 Roger Sayle <roger@eyesopen.com>
9713 PR tree-optimization/24964
9714 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9715 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9716 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9717 abs(x)*abs(x) as x*x for scalar floating point modes.
9719 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9722 * lambda-code.c (perfect_nestify): Don't copy statements
9723 in the inner loop: move them to the inner loop header.
9725 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9728 * c-tree.texi: Document OpenMP directives and clauses.
9730 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9732 * varasm.c (globalize_decl): Fix indentation.
9734 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9737 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9738 pass_fre, pass_store_ccp, pass_copy_prop,
9739 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9740 pass_return_slot, pass_object_size, pass_lim,
9741 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9742 pass_loop_prefetch and pass_stdarg.
9744 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9746 * config/bfin/bfin.opt (mfdpic): New option.
9747 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9748 (EXTRA_MULTILIB_PARTS): Likewise.
9749 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9750 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9752 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9753 (CRT_CALL_STATIC_FUNCTION): New.
9754 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9756 (CRT_CALL_STATIC_FUNCTION): New.
9757 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9759 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9760 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9761 (initialize_trampoline): Changed to handle FD-PIC code generation.
9762 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9763 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9764 (override_options): Disallow -mid-shared-library -mfdpic combination.
9765 Can't do unaligned ops if FD-PIC.
9766 Turn off flag_pic if trying to generate non-id-shared-library
9767 non-fdpic code, since it's not supported.
9768 (bfin_assemble_integer): New function.
9769 (TARGET_ASM_INTEGER): Define.
9770 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9772 * config/bfin/crtn.s: Restore them.
9773 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9775 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9776 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9777 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9778 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9779 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9781 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9782 FDPIC_REGS and FDPIC_FPTR_REGS.
9783 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9784 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9785 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9786 (load_funcdescsi): New pattern.
9787 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9788 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9789 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9791 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9793 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9796 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9798 * tree-flow.h: Remove the prototype for add_type_alias.
9799 * tree-ssa-alias.c (add_type_alias): Remove.
9801 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9803 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9804 config/fr30/fr30.md, config/i386/i386-interix.h,
9805 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9806 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9807 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9808 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9809 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9810 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9811 Follow spelling conventions.
9812 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9813 Follow spelling conventions.
9815 2006-05-27 Richard Guenther <rguenther@suse.de>
9818 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9819 to produce a constant of value 1 of generic type.
9821 2006-05-27 Dirk Mueller <dmueller@suse.de>
9823 * cgraphunit.c (decide_is_function_needed): Fix wrong
9826 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9828 PR rtl-optimization/27661
9829 * reload.c (find_reloads): When reloading a VOIDmode constant
9830 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9831 use Pmode as mode of the reload register.
9833 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9835 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9836 is enabled at -O and above.
9838 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9841 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9844 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9847 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9848 for anonymous variables explicitly declared by front ends.
9850 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9852 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9853 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9854 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9855 ref-all pointers, run a finalization pass for them.
9856 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9857 (finalize_ref_all_pointers): New function.
9858 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9859 regular pointer type to a ref-all pointer type.
9860 (get_tmt_for): Return the special memory tag for ref-all pointers.
9862 2006-05-25 Richard Guenther <rguenther@suse.de>
9865 * fold-const.c (fold_binary): Do not look at the stripped
9866 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9868 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9870 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9871 for LT and GT if the computed range is effectively empty.
9873 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9876 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9877 mips_quad_format formats instead of ieee_single_format,
9878 ieee_double_format and ieee_quad_format formats, respectively.
9880 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9882 PR tree-optimization/27639
9883 PR tree-optimization/26719
9884 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9885 call to scev_probably_wraps_p.
9886 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9887 used_in_pointer_arithmetic_p, convert_step): Removed.
9888 (nowrap_type_p): New function.
9889 (scev_probably_wraps_p): Rewritten.
9890 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9891 chrec_convert if chrec_convert_aggressive might have been used.
9892 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9893 scev_direction): New functions.
9894 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9895 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9896 instead of convert_step.
9897 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9898 (convert_step): Declaration removed.
9899 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9901 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9903 * df-core.c: Added to header comments.
9904 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9905 df_ur_bb_info, df_urec_bb_info): Added comments.
9906 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9907 urec, ri problems): Fixed header comments.
9908 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9909 code from df_rd_transfer_function.
9911 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9913 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9914 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9915 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9917 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9919 * expr.c (undefined_operand_subword_p): New.
9920 (emit_move_multi_word): Do not generate move from undefined bits
9921 of a paradoxical subreg.
9923 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9925 PR rtl-optimization/27736
9926 * combine.c (replaced_rhs_value): New variable.
9927 (combine_instructions): Set it.
9928 (distribute_notes): When distributing a note in replaced_rhs_insn,
9929 check whether the value was used in replaced_rhs_value.
9931 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9934 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9935 add_referenced_var instead of add_referenced_tmp_var.
9936 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9937 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9939 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9940 tree_optimize_tail_calls_1): Use add_referenced_var.
9941 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9942 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9943 Use add_referenced_var.
9944 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9945 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9946 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9947 Use add_referenced_var.
9948 * tree-dfa.c (struct walk_state): Remove.
9949 (find_referenced_vars): Remove walk state and vars_found hash table.
9950 (make_rename_temp): Use add_referenced_var.
9951 (find_vars_r): Pass less parameters to add_referenced_var.
9952 (referenced_var_p): New. Is var in referenced_var hash table.
9953 (referenced_var_insert): Assert var isn't already in hash table.
9954 (add_referenced_var): Don't need walk_state parameter. Add var if it
9955 isn't already in the hash table.
9956 (add_referenced_tmp_var): Remove.
9957 (find_new_referenced_vars_1): Use add_referenced_var.
9958 * tree-ssa-pre.c (create_expression_by_pieces,
9959 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9960 Use add_referenced_var.
9961 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9962 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9963 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9965 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9966 vect_create_data_ref_ptr, vect_create_destination_var,
9967 vect_init_vector, vect_build_loop_niters,
9968 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9969 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9970 Use add_referenced_var.
9971 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9972 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9973 (add_referenced_var): Add prototype.
9974 * tree-ssa-structalias.c (get_constraint_for,
9975 intra_create_variable_infos): Use add_referenced_var.
9977 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9979 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9980 big-endian paradoxical subregs.
9981 * var-tracking.c (struct micro_operation_def): Document that,
9982 for modify micro operations, insn is the subsequent instruction.
9983 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9984 (var_reg_set, var_mem_set): ... new functions.
9985 (add_stores): Record subsequent insn.
9986 (compute_bb_dataflow): Use new functions for MO_USE.
9987 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9988 notes after the insn, and modify notes before the insn known
9989 to be the subsequent one.
9990 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9992 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9995 * config/i386/i386.c (ix86_expand_builtin): Use
9996 gen_sse3_monitor64 for TARGET_64BIT.
9998 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10000 PR rtl-optimization/26375
10001 PR rtl-optimization/26855
10002 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10004 (df_ru_bb_local_compute): Reversed statements and removed bogus
10005 comment explaining why they should be in wrong order.
10006 (df_ru_dump, df_rd_dump): Enhanced debug info.
10007 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10009 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10010 reaching uses and fixed space problem.
10012 2006-05-23 Jan Hubicka <jh@suse.cz>
10014 * cgraphunit.c (decide_is_function_needed): Also nested functions
10015 and functions declared inline can be optimized out at -O0.
10017 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10019 * doc/install.texi (Configuration): Remove reference to CrossGCC
10020 FAQ which was gone.
10023 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10026 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10027 ix86_compare_emitted is non-NULL.
10029 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10032 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10035 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10037 PR rtl-optimization/25514
10038 * combine.c (replaced_rhs_insn): New variable.
10039 (combine_instructions): Set replaced_rhs_insn when trying to replace
10040 a SET_SRC with a REG_EQUAL note.
10041 (distribute_notes): Use replaced_rhs_insn when determining the live
10042 range of a REG_DEAD register.
10044 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10045 Anatoly Sokolov <aesok@post.ru>
10047 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10048 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10049 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10050 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10051 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10052 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10053 at90usb647, at90usb1286 and at90usb1287 devices.
10054 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10055 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10057 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10059 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10061 2006-05-22 Richard Guenther <rguenther@suse.de>
10064 2006-01-31 Richard Guenther <rguenther@suse.de>
10065 Paolo Bonzini <bonzini@gnu.org>
10067 * doc/install.texi (--disable-libgcc-math): Document.
10069 2006-05-22 Richard Guenther <rguenther@suse.de>
10072 2006-01-31 Richard Guenther <rguenther@suse.de>
10074 * doc/invoke.texi (-msselibm): Document.
10075 * target.h (expand_library_builtin): New target hook.
10076 * builtins.c (expand_builtin): Use expand_library_builtin.
10077 (default_expand_library_builtin): New function.
10078 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10079 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10080 (link_gcc_math_spec): Declare.
10081 (static_specs): Add link_gcc_math_spec.
10082 * expr.h (default_expand_library_builtin): Declare.
10083 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10084 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10085 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10086 * config/i386/i386.opt (msselibm): New target option.
10087 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10088 (ix86_init_sse_abi_builtins): New function.
10089 (ix86_expand_library_builtin): Likewise.
10090 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10091 (override_options): Handle error conditions wrt -msselibm.
10092 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10093 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10094 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10097 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10100 * c-common.c (self_promoting_args_p): Skip erroneous args.
10103 * c-decl.c (finish_struct): Skip erroneous fields.
10105 2006-05-22 Nick Clifton <nickc@redhat.com>
10107 * config/cris/cris.opt (march): Remove VarExists attribute.
10108 (max-stackframe=): Likewise.
10110 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10112 * doc/rtl.texi: Fix a typo.
10113 * see.c: Fix comment typos.
10115 * tree-ssa-structalias.h (alias_info): Remove num_references.
10117 2006-05-21 Mike Stump <mrs@apple.com>
10119 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10121 (darwin_pragma_options): Use BAD instead.
10122 (darwin_pragma_unused): Likewise.
10123 (darwin_pragma_ms_struct): Likewise.
10125 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10127 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10129 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10131 PR rtl-optimization/27671
10132 * simplify-rtx.c (simplify_relational_operation_1): Fix
10133 simplifications of (eq/ne (xor x y) y) and
10134 (eq/ne (xor x y) x).
10136 PR tree-optimization/26622.
10137 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10140 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10142 * tree-cfg.c: Prune whitespace.
10143 (debug_tree_cfg): Point to correct header containing the
10146 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10148 PR middle-end/25776
10149 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10151 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10153 PR middle-end/25776
10154 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10155 or sorry count is non zero.
10157 2006-05-20 Andreas Schwab <schwab@suse.de>
10159 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10161 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10162 Kenneth Zadeck <zadeck@naturalbridge.com>
10164 PR rtl-optimization/26855
10166 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10168 (df_scan_alloc): Added code to properly handle multiword hard
10169 registers and add all_blocks parameter.
10170 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10171 code to properly handle multiword hard registers.
10172 (df_rescan_blocks): Added code to remove deleted blocks from
10174 (df_ref_create_structure, df_ref_record): Added code to properly
10176 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10177 and set DF_REF_PARTIAL.
10178 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10179 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10180 (df_scan_add_problem): Added flags parameter.
10181 (df_ref_create_structure): Changed switching structure.
10182 (df_bb_refs_record): Fixed case where duplicate artificial refs
10183 were created. Changed location of flags.
10184 (df_record_entry_block_defs): Added code to make stack pointer
10185 live in entry block. Refined cases where frame pointer is needed.
10186 Changed location of flags.
10187 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10188 (df_set_state): Removed function.
10189 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10190 df_insn_create_insn_record, df_insn_refs_delete,
10191 df_ref_create_structure): Formatting changes.
10192 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10193 df_delete_basic_block): New function.
10194 (df_init): Changed location of flags.
10195 (df_add_problem): Added flags parameter and the way flags are
10197 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10198 debug_df_chain): Improved debugging output.
10199 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10200 (df_refs_chain_dump): Removed df parameter.
10201 (df_iterative_dataflow): Added consistency check.
10202 (df_prune_to_subcfg): Made public.
10203 (df_analyze_problem): Added blocks_to_init parameter and made
10205 (df_ref_record, df_bb_refs_record, df_mark_reg,
10206 df_record_exit_block_uses): Whitespace changes.
10207 (df_dump): Whitespace changes.
10208 * df.h: Some reordering to remove forward references.
10209 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10210 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10211 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10212 (dataflow.flags): New field.
10213 (df.flag): Deleted field.
10214 (df_alloc_function): Added additional bitmap parameter.
10215 (df_dependent_problem_function): New type.
10216 (df_problem.changeable_flags): New field.
10217 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10218 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10219 (df_mw_hardreg): New struct.
10220 (DF_INSN_UID_MWS): New macro.
10221 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10223 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10224 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10225 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10226 (df_set_state): Removed function.
10227 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10228 * df-problems.c (df_chain_dump): Removed df parameter.
10229 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10230 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10232 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10233 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10234 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10235 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10236 DF_REF_MUST_CLOBBER cases.
10237 (df_ru_bb_local_compute_process_def,
10238 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10239 df_lr_bb_local_compute, df_ur_bb_local_compute,
10240 df_chain_create_bb): Made subreg aware.
10241 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10242 df_lr_bb_local_compute, df_lr_bb_local_compute,
10243 df_chain_create_bb): Cleanup to use proper macros.
10244 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10245 code to fixup bitvectors.
10246 (df_ri_alloc): Cleared lifetime.
10247 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10248 df_create_unused_note): New function.
10249 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10250 REG_DEAD and REG_UNUSED notes as well as register information.
10251 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10252 df_chains_dump): Fixed crash if problem was never run.
10253 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10254 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10255 df_ri_add_problem): Processes flags in uniform manner.
10256 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10257 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10258 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10259 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10260 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10261 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10262 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10263 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10264 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10265 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10266 * see.c (see_initialize_data): Ditto.
10267 * final.c (rest_of_clean_state) Added regstack_completed.
10268 * rtl.h (regstack_completed): Ditto.
10269 * reg-stack.c (regstack_completed): Ditto.
10271 2006-05-19 Mike Stump <mrs@apple.com>
10273 * c-tree.h (default_conversion): Remove.
10274 * c-common.h (default_conversion): Add.
10276 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10278 * tree-vrp.c (valid_value_p): New function.
10279 (adjust_range_with_scev): Fail if the value of bound is not
10282 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10284 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10285 (mips_fallback_frame_state): Use syscall numbers to determine
10286 the appropriate li instruction for the current ABI. Only use
10287 __NR_sigreturn for o32.
10289 2006-05-19 Nicolas Setton <setton@adacore.com>
10291 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10292 * langhooks.c (lhd_dwarf_name): New function.
10293 * langhooks-def.h (lhd_dwarf_name): Declare.
10294 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10295 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10297 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10299 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10301 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10302 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10303 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10304 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10305 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10306 determine the size of Wtype, etc.
10307 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10308 (swfloatfuncs): New variable.
10309 (dwfloatfuncs): Likewise.
10310 (lib2funcs): Remove floating-point conversion functions from
10311 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10312 the set of conversion routines needed. Allow entries to specify
10313 an object name, filename and word size. Update users accordingly.
10314 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10315 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10319 2006-02-08 Roger Sayle <roger@eyesopen.com>
10322 * config/fixtfdi.c: New libgcc source file.
10323 * config/fixunstfdi.c: New source file.
10324 * config/floatditf.c: New source file.
10325 * config/floatunditf.c: New souce file.
10326 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10327 files above instead of config/mips/_tilib.c.
10328 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10330 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10332 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10333 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10335 2006-05-18 Mike Stump <mrs@apple.com>
10337 Fix up vla, vm and [*] sematics.
10343 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10344 (c_vla_unspec_p): Add.
10345 (c_vla_type_p): Add.
10346 * c-decl.c (struct c_scope): Add had_vla_unspec.
10347 (build_array_declarator): Add support for [*].
10348 (grokdeclarator): Likewise.
10349 (grokparms): Likewise.
10350 (get_parm_info): Likewise.
10351 * c-objc-common.c (c_vla_unspec_p): Likewise.
10352 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10353 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10354 typeof when argument is a variably modified type not inside sizeof or alignof.
10355 (c_parser_direct_declarator_inner): Propagate errors.
10356 (c_parser_sizeof_expression): Add support for [*].
10357 (c_parser_parms_declarator): Initialize had_vla_unspec.
10358 (c_parser_parms_list_declarator): Likewise.
10359 * c-typeck.c (c_vla_type_p): Add.
10360 (composite_type): Add support for vla compositing.
10361 (comptypes_internal): Add support for vla compatibility.
10362 (c_expr_sizeof_expr): Evaluate vla arguments.
10363 * tree.c (variably_modified_type_p): Update comment for [*].
10365 2006-05-18 Michael Matz <matz@suse.de>
10368 * config.host: Make assignments to host_xmake_file cumulative.
10369 * config.host (*-darwin*): Test $host, not $target.
10371 2006-05-12 Stuart Hastings <stuart@apple.com>
10373 * config/i386/i386.opt (-mstackrealign): New flag.
10374 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10375 (ix86_handle_cconv_attribute): Emit error when
10376 force_align_arg_pointer attribute collides with too many regparms.
10377 (ix86_function_regparm): Limit regparms when used with
10378 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10379 Support stack-realigning prologue in non-main functions. Emit
10380 warning for nested functions under -mstackrealign, emit error for
10381 nested functions with force_align_arg_pointer attribute.
10382 * doc/extend.texi (force_align_arg_pointer): Document it.
10383 * doc/invoke.texi (-mstackrealign): Document it.
10385 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10387 PR rtl-optimization/27477
10388 * combine.c (try_combine): Don't split a parallel consisting
10389 of two sets into two individual sets if both sets reference
10392 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10394 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10395 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10397 * doc/options.texi (VarExists): Updated.
10399 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10401 * unwind-dw2.c: Add declarations for uw_update_context and
10402 uw_frame_state_for.
10403 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10404 detected, advance frame state and context once to skip over stub.
10406 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10408 PR middle-end/20256
10409 PR middle-end/26435
10410 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10411 Call rewrite_into_loop_closed_ssa only when something changed.
10412 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10413 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10414 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10415 Test for perfect_nest_p here. Fix formating.
10416 (replace_uses_equiv_to_x_with_y): Fix formating.
10417 (stmt_uses_op): Removed.
10418 (can_convert_to_perfect_nest): Removed loopivs parameter.
10419 Complete the test by checking the scalar dependences.
10420 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10423 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10426 From Dan Kegel <dank@kegel.com>:
10427 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10429 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10431 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10432 if the element type is variably modified without recursing.
10434 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10436 PR middle-end/27332
10437 * tree-loop-linear.c (try_interchange_loops): Test for
10438 no data dependences.
10440 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10442 PR tree-optimization/27548
10443 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10444 range of ssa names that appear on abnormal edges.
10445 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10446 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10448 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10450 PR middle-end/27620
10451 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10453 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10455 PR middle-end/27415
10456 * tree.h (OMP_PARALLEL_COMBINED): Define.
10457 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10458 (new_omp_context): Add is_combined_parallel argument.
10459 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10460 new_omp_context caller.
10461 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10462 Adjust gimplify_scan_omp_clauses callers.
10463 (omp_is_private): Issue errors if iteration variable is firstprivate
10464 or reduction in the current context.
10465 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10466 on combined parallel workshare constructs.
10468 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10470 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10471 (gcc-options.o): New rule.
10473 * optc-gen.awk: Protect variables for gcc-options.o with
10474 #ifdef GCC_DRIVER/#endif.
10476 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10478 Fix PR tree-optimization/27373
10479 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10480 (forward_propagate_addr_expr): Update call.
10482 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10484 * doc/options.texi: Move the Negative option.
10486 2006-05-16 Richard Guenther <rguenther@suse.de>
10488 PR tree-optimization/22303
10489 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10491 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10492 ccp_fold did not simplify the statement.
10494 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10497 * Makefile.in (GCC_OBJS): New.
10498 (OBJS-common): Add opts-common.o.
10499 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10500 (cpp$(exeext)): Likewise.
10501 (gcc.o): Also depend on opts.h.
10502 (opts-common.o): New.
10504 * common.opt (gcoff): Add Negative(gdwarf-2).
10505 (gdwarf-2): Add Negative(gstabs).
10506 (gstabs): Add Negative(gstabs+).
10507 (gstabs+): Add Negative(gvms).
10508 (gvms): Add Negative(gxcoff).
10509 (gxcoff): Add Negative(gxcoff+).
10510 (gxcoff+): Add Negative(gcoff).
10511 * config/i386/i386.opt (m32): Add Negative(m64).
10512 (m64): Add Negative(m32).
10514 * doc/options.texi: Document the Negative option.
10516 * gcc.c: Include "opts.h".
10517 (main): Call prune_options after expandargv.
10519 * optc-gen.awk: Generate common declarations for all flag
10520 variables in options.c. Output the neg_index field.
10522 * opts.c (find_opt): Moved to ...
10523 * opts-common.c: Here. New file.
10525 * opts.h (cl_option): Add a neg_index field.
10527 (prune_options): Likewise.
10529 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10531 PR middle-end/27573
10532 * omp-low.c (expand_omp_parallel): Don't assert
10533 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10534 instead search for it.
10537 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10540 2006-05-16 Andreas Schwab <schwab@suse.de>
10542 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10545 2006-05-15 Roger Sayle <roger@eyesopen.com>
10548 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10549 integer constants other than zero are only legitimate on TARGET_64BIT.
10550 <CONST_VECTOR> Only zero vectors are legitimate.
10551 (ix86_cannot_force_const_mem): Integral and vector constants can
10552 always be put in the constant pool.
10554 2006-05-16 DJ Delorie <dj@redhat.com>
10556 * crtstuff.c (__dso_handle): Set section from
10557 TARGET_LBIGCC_SDATA_SECTION if defined.
10558 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10559 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10561 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10564 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10567 2006-05-16 Ben Elliston <bje@au.ibm.com>
10569 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10571 2006-05-15 Per Bothner <per@bothner.com>
10573 * tree.c: (last_annotated_node): Use source_locus typedef.
10574 This permits bootstrapping with --enable-mapped-location.
10576 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10578 PR tree-optimization/26830
10579 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10580 (info_for_ssa_name, current_info_for_ssa_name_age,
10581 blocks_to_update): New variables.
10582 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10583 (clear_ssa_name_info, initialize_flags_in_bb,
10584 mark_block_for_update): New functions.
10585 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10586 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10587 prepare_def_site_for): Use mark_block_for_update.
10588 (mark_def_interesting): Assert that the processed block is marked in
10589 blocks_to_update. Do not take blocks argument.
10590 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10592 (rewrite_update_init_block, rewrite_update_stmt): Only process
10593 blocks with statements to rewrite.
10594 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10595 (update_ssa): Initialize and free blocks_to_update. Do not
10596 clear flags on statements. Do not use blocks bitmap.
10597 * tree.h (SSA_NAME_AUX): Removed.
10598 (struct tree_ssa_name): Removed aux field.
10599 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10601 2006-05-15 Richard Guenther <rguenther@suse.de>
10603 PR tree-optimization/27603
10604 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10605 Do computations in original type.
10607 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10609 * see.c: Code style changes such as redundant paranthesis,
10610 redundant intialization of local variables etc.
10611 (see_main): Declared now as static.
10612 * doc/invoke.texi: Update that -fsee is not enabled by
10615 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10617 * omp-low.c (check_omp_nesting_restrictions): New function.
10618 (scan_omp_1): Call it.
10620 PR middle-end/27416
10621 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10622 construct, return *VAR.
10624 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10626 PR rtl-optimization/27406
10627 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10630 2006-05-14 Roger Sayle <roger@eyesopen.com>
10632 PR rtl-optimization/27538
10633 * combine.c (expand_compound_operation): Call gen_lowpart
10634 before calling simplify_shift_const.
10636 2006-05-14 Roger Sayle <roger@eyesopen.com>
10638 PR rtl-optimization/22563
10639 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10640 a fixed width bitfield, always force the intermediates into psuedos.
10642 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10645 * mkconfig.sh: Use operator = instead of == for test.
10647 2006-05-13 Nick Clifton <nickc@redhat.com>
10649 * dwarf2out.c (dbx_reg_number): Check return value from
10650 LEAF_REG_REMAP and only use it if it is valid.
10651 (multiple_reg_loc_descriptor): Likewise.
10653 2006-05-13 Richard Guenther <rguenther@suse.de>
10655 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10658 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10660 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10661 information attached to non-INSNs such as NOTEs.
10662 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10664 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10666 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10668 * config/s390/s390.md: Adjust comment describing On constraint.
10670 2006-05-11 Jan Hubicka <jh@suse.cz>
10672 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10673 to be output at -O0.
10675 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10677 PR middle-end/27384
10678 * fold-const.c (size_binop): Move sanity check for arguments to
10679 the beginning of the function.
10681 PR middle-end/27488
10682 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10685 2006-05-11 Richard Guenther <rguenther@suse.de>
10687 PR middle-end/27529
10688 * fold-const.c (fold_unary): Handle intermediate conversion
10689 to a pointer type like intermediate conversion to an integer
10690 type in folding of (T1)(T2)var to var.
10691 Match the code to the comment in the final conversion for
10692 (T1)(T2)var to (T1)var regarding to type precision. Rather
10693 than disallow T1 being of pointer type, assert that both T1
10694 and var are of pointer type or not. Make sure not to fall
10695 over the frontends lazyness wrt array to pointer decay though.
10697 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10699 * arm.c (arm_struct_value_rtx): Delete.
10700 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10701 (arm_init_cumulative_args): Always initialize nregs to zero.
10703 2006-05-10 Richard Guenther <rguenther@suse.de>
10705 PR tree-optimization/27532
10706 * tree-object-size.c (plus_expr_object_size): Fix typo.
10708 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10711 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10712 ashrdi_const, ashrdi3): Use a scratch register.
10714 2006-05-10 Richard Guenther <rguenther@suse.de>
10716 PR tree-optimization/27302
10717 * fold-const.c (operand_equal_p): For two comparisons,
10718 try comparison of one comparison code swapped if that yields
10721 2006-05-10 Ben Elliston <bje@au.ibm.com>
10723 * tree-pretty-print.c (pretty_print_string): No need to handle
10724 '\0' as a special character.
10726 * tree.h: Include "hashtab.h".
10727 (iterative_hash_expr): Use hashval_t in its prototype.
10728 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10730 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10733 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10734 (hppa*64*-*-hpux11*): Ditto.
10735 (hppa[12]*-*-hpux11*): Ditto.
10737 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10740 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10742 2006-05-09 Michael Matz <matz@suse.de>
10744 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10745 host_extra_gcc_objs and host_xmake_file.
10746 (<*-*-linux*>): Don't overwrite host_xmake_file.
10747 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10748 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10749 (host_detect_local_cpu): Declare.
10750 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10751 * config/i386/i386.c (override_options): Handle -mtune=native
10753 * config/i386/x-i386: New file.
10754 * config/i386/driver-i386.c: New file.
10755 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10758 2006-05-09 Dirk Mueller <dmueller@suse.de>
10759 Richard Guenther <rguenther@suse.de>
10761 PR middle-end/27498
10762 * fold-const.c (fold_read_from_constant_string): Relax check
10763 for matching types to matching modes.
10765 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10767 PR rtl-optimization/27335
10768 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10771 2006-05-08 Chao-ying Fu <fu@mips.com>
10772 Richard Sandiford <richard@codesourcery.com>
10774 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10775 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10776 * config/mips/mips.md (UNSPEC_SCC): New constant.
10777 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10778 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10779 (mips_emit_compare): Use it.
10780 (mips_expand_vcondv2sf): New function.
10782 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10784 Fix PR tree-optimization/27093
10785 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10786 renaming when they become not-used_alone.
10788 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10790 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10791 relocation and relocation stubs.
10793 2006-05-08 Eric Christopher <echristo@apple.com>
10795 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10798 2006-05-08 Jan Hubicka <jh@suse.cz>
10800 PR middle-end/24561
10801 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10802 unused static functions are needed.
10804 2006-05-08 Roger Sayle <roger@eyesopen.com>
10807 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10808 of a reg_equiv_constant if the result is a legitimate constant.
10810 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10813 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10814 standard 80387 constants, raise the cost to prevent
10815 compress_float_constant() to generate load from memory.
10817 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10819 * config/arm/constraints.md (c): Fix a typo.
10821 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10824 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10827 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10829 (_mm_mwait): Likewise.
10831 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10833 (sse3_monitor): Make it 32bit only.
10834 (sse3_monitor64): New. 64bit monitor.
10836 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10839 * config/i386/i386.c (classify_argument): Skip fields with invalid
10842 2006-05-07 Richard Guenther <rguenther@suse.de>
10844 PR tree-optimization/27409
10845 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10846 Do not try to find zero-sized subvars.
10848 2006-05-07 Richard Guenther <rguenther@suse.de>
10850 PR tree-optimization/27136
10851 * tree-ssa-loop-niter.c (get_val_for): Correct function
10852 comment, assert requirements.
10853 (loop_niter_by_eval): Stop processing if the iterated
10854 value did not simplify.
10856 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10858 * opts.c (flag_see): remove its setting at -O3.
10860 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10862 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10863 * arm/constraints.md: New file.
10864 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10865 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10866 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10867 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10868 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10869 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10870 * arm.md: Include constraints.md.
10871 (thumb_movsi_insn): Use satisfies_constraint_J.
10872 (movhi, movqi): Use satisfies_constraint_I.
10874 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10876 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10877 for atmeg a645 device.
10879 2006-05-06 Richard Guenther <rguenther@suse.de>
10881 PR tree-optimization/27151
10882 * tree-vect-transform.c (vectorizable_condition): Punt on
10883 values that have a different type than the condition.
10885 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10888 * c-parser.c (c_parser_cast_expression): Only insert casts into
10889 hash table if pointer.
10890 * function.c (used_types_insert_helper): Rename from
10892 (used_types_insert): Call used_types_insert_helper.
10893 * function.h (used_types_insert): Accept only one argument.
10895 2006-05-05 David Edelsohn <edesohn@gnu.org>
10897 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10898 scratch with output modifier.
10900 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10903 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10904 with output modifier.
10906 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10909 * config/mips/mips.c (mips_symbolic_address_p): Return true
10910 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10911 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10913 2006-05-04 Richard Guenther <rguenther@suse.de>
10915 PR tree-optimization/14287
10916 PR tree-optimization/14844
10917 PR tree-optimization/19792
10918 PR tree-optimization/21608
10919 PR tree-optimization/27090
10920 * tree-ssa-pre.c (try_combine_conversion): New function.
10921 (compute_avail): After constructing the value-handle
10922 expression, use try_combine_conversion to combine NOP_EXPRs
10923 with previous value-handle expressions and use the result if it
10926 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10928 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10930 2006-05-04 Jan Hubicka <jh@suse.cz>
10932 PR middle-end/25962
10933 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10935 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10937 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10938 that this only matches CONST_INTs. All users changed to VOIDmode
10941 * config/bfin/bfin.c: Include "optabs.h".
10942 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10944 (enum bfin_builtins): Add a number of fractional and vector builtins.
10945 (bfin_init_builtins): Likewise.
10946 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10947 (safe_vector_operand, bfin_expand_binop_builtin,
10948 bfin_expand_unop_builtin): New functions.
10949 (bfin_expand_builtin): Handle the new builtins.
10950 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10953 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10956 * Makefile.in (OBJS-common): Add see.o.
10957 (see.o): Add dependencies.
10958 * common.opt (fsee): New flag for the see optimization was added.
10959 * opts.c (flag_see): Initialized.
10960 * passes.c (init_optimization_passes, pass_see): New pass.
10961 * rtl.h (see_main): Declaration as extern.
10962 * timevar.def (TV_SEE): New.
10963 * tree-pass.h (pass_see): Declaration as extern.
10964 * invoke.texi (-fsee): Document.
10965 * recog.c (validate_simplify_insn): New function.
10966 * recog.h (validate_simplify_insn): Declaration as extern.
10967 * df-problems.c (df_chain_dump): Check for NULL.
10969 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10970 Daniel Berlin <dberlin@dberlin.org>
10972 * cfgrtl.c (insert_insn_bb_end_new): New function.
10973 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10975 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10977 * df.h (struct web_entry): Moved from web.c.
10978 (union_defs): Declaration as extern.
10979 (unionfind_root): Likewise.
10980 (unionfind_union): Likewise.
10981 * web.c (struct web_entry): Moved to df.h.
10982 (unionfind_root): Remove static declaration.
10983 (unionfind_union): Likewise.
10984 (union_defs): Likewise and generalize to use callback function.
10985 (web_main): Update arguments for union_defs function call.
10987 2006-05-04 Richard Guenther <rguenther@suse.de>
10989 PR tree-optimization/26447
10990 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10991 produce SSA_NAME copies before the store stmt to avoid
10992 breaking exception handling.
10994 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10996 PR middle-end/27388
10997 * gimplify.c (omp_is_private): If var is shared in some outer context,
10998 return false instead of true. Stop searching on parallel context
11001 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11004 * coverage.c: Use get_gcov_unsigned_t() instead of
11005 unsigned_type_node all over.
11007 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11009 PR tree-optimization/27381
11010 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11011 maintain the same immediate_use links.
11012 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11013 node rather than segfaulting.
11015 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11018 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11019 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11020 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11022 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11024 Fix PR tree-optimization/26626
11025 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11027 * tree-ssa-operands.c (access_can_touch_variable): Allow
11028 typecasting through union pointers.
11030 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11033 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11034 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11035 to find if var will be a global variable even in the nested context.
11036 (omp_copy_decl): Only check for global variable at the end, it might
11037 be overridden in outer contexts.
11038 (scan_sharing_clauses): For global variables don't create a field.
11039 (lower_rec_input_clauses): Do nothing for global shared variables.
11040 Emit a barrier at the end of ILIST if there were any decls in both
11041 firstprivate and lastprivate clauses.
11042 (lower_send_clauses): Do nothing for global variables except for
11045 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11047 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11048 of the correct signedness is returned.
11050 2006-05-02 Jeff Law <law@redhat.com>
11052 PR tree-optimization/27364
11053 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11054 multiply expressions.
11056 2006-05-02 Tom Tromey <tromey@redhat.com>
11058 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11060 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11063 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11064 -mthumb -fPIC are used.
11066 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11067 Joshua Kinard <kumba@gentoo.org>
11070 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11071 with 64-bit pointers.
11073 2006-05-02 Paul Brook <paul@codesourcery.com>
11075 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11077 (create_fix_barrier): Check that a suitable barrier location is
11079 (arm_reorg): Include ftmp->address in allowable range of addresses.
11081 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11084 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11087 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11089 PR middle-end/27337
11090 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11091 around RESULT_DECL for result passed by reference.
11092 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11093 * omp-low.c (use_pointer_for_field): Don't look at
11094 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11095 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11096 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11097 time or var for passing by reference for
11098 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11099 TREE_ADDRESSABLE variables when passing by reference.
11101 * omp-low.c (dump_omp_region): Fix output formatting.
11103 PR middle-end/27328
11104 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11105 (expand_omp_parallel): Likewise.
11106 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11108 PR middle-end/27325
11109 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11110 on statement list containing also constructors and destructors.
11111 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11113 PR middle-end/27310
11114 * except.c (duplicate_eh_regions): Fix clearing of
11115 cfun->eh->region_array entries.
11117 2006-05-01 DJ Delorie <dj@redhat.com>
11119 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11121 (gcc_cv_objdump): Likewise.
11122 * configure: Regenerated.
11124 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11127 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11128 templates for case 3 and 4.
11130 2006-05-01 DJ Delorie <dj@redhat.com>
11132 * vec.c: Include bconfig.h when appropriate.
11133 * Makefile.in (build/vec.o): Adjust dependencies.
11134 * mkconfig.sh: Make sure config.h isn't used for build machine
11137 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11139 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11141 (mark_phi_for_rewrite): New function.
11142 (insert_phi_nodes_for, mark_use_interesting): Call
11143 mark_phi_for_rewrite.
11144 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11145 (update_ssa): Initialize and free phis_to_rewrite.
11147 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11149 PR rtl-optimization/27291
11150 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11151 folded to a constant.
11153 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11155 PR tree-optimization/27283
11156 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11157 not whole # of iteration descriptions.
11158 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11159 uses abnormal ssa name.
11160 (niter_for_single_dom_exit): Ditto.
11161 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11162 return just the number of iterations.
11164 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11166 PR tree-optimization/27144
11167 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11168 (record_estimate): Only record constant upper bound.
11169 (infer_loop_bounds_from_undefined): Call
11170 compute_estimated_nb_iterations just once.
11171 (proved_non_wrapping_p): Renamed to ...
11172 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11173 (convert_step_widening, scev_probably_wraps_p): Call
11174 n_of_executions_at_most instead of proved_non_wrapping_p.
11175 (substitute_in_loop_info): Do not replace values in bounds.
11176 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11179 2006-05-01 Richard Henderson <rth@redhat.com>
11182 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11183 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11186 2006-05-01 Roger Sayle <roger@eyesopen.com>
11188 * c-typeck.c (parser_build_binary_op): Don't call the function
11189 unsigned_conversion_warning to spot operand/result type overflow.
11190 (build_binary_op): Instead, call convert_and_check instead of
11191 convert to report the problem when the operands are promoted.
11192 * c-common.c (unsigned_conversion_warning): Make static.
11193 * c-common.h (unsigned_conversion_warning): Delete prototype.
11195 2006-05-01 Richard Guenther <rguenther@suse.de>
11197 PR tree-optimization/26726
11198 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11200 (find_interesting_uses_address): ... we work around here
11201 by folding INDIRECT_REFs in the substituted base.
11203 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11205 * omp-low.c (dump_omp_region): Add newlines.
11207 2006-04-30 Roger Sayle <roger@eyesopen.com>
11209 * common.opt (Woverflow): New command line option.
11210 * c-common.c (constant_expression_warning): Check warn_overflow.
11211 (overflow_waring): Pass OPT_Woverflow to warning.
11212 (unsigned_conversion_warning): Likewise.
11213 (convert_and_check): Likewise.
11214 * doc/invoke.texi: Document new command line option.
11216 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11218 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11219 TARGET_NO_FP_IN_TOC for section anchors.
11220 (optimization_options): Enable section anchors for all
11221 non-"Objective" languages.
11223 2006-04-28 Eric Christopher <echristo@apple.com>
11225 * config/darwin-c.c (darwin_ms_struct): Move this
11226 (darwin_set_default_type_attributes): and this...
11227 * config/darwin.c: ... here.
11228 * config/darwin.h (darwin_ms_struct): Declare.
11230 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11232 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11234 2006-04-28 Roger Sayle <roger@eyesopen.com>
11237 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11238 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11239 an unsigned HOST_WIDE_INT.
11240 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11242 (really_start_incremental_init): No need to call convert because
11243 bitsize_zero_node is already of type bitsizetype.
11244 (push_init_level): Extract the value of constructor_index as an
11245 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11246 (process_init_element): Likewise.
11248 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11250 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11251 value before passing to make_relative_prefix.
11253 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11255 PR middle-end/27260
11256 * builtins.c (expand_builtin_memset): Expand val in original mode.
11258 2006-04-27 Eric Christopher <echristo@apple.com>
11260 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11261 with #ifndef/#endif.
11262 * config/darwin-c.c (darwin_ms_struct): New.
11263 (darwin_pragma_ms_struct): Ditto.
11264 (darwin_set_default_type_attributes): Ditto.
11265 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11266 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11267 Register ms_struct pragma.
11268 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11269 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11270 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11271 darwin_set_default_type_attributes if TARGET_MACHO.
11273 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11275 PR tree-optimization/26854
11276 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11277 * doc/tree-ssa.texi: Update immuse iterator documentation.
11278 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11279 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11280 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11281 first_safe_imm_use, next_safe_imm_use): Remove.
11282 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11283 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11284 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11285 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11286 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11287 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11288 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11289 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11290 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11291 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11292 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11293 (perfect_nestify): Use new iterator.
11294 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11296 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11297 (next_imm_name): New field in struct immediate_use_iterator_d.
11298 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11299 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11300 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11301 * tree-cfg.c (replace_uses_by): Use new iterator.
11302 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11303 * tree-ssa-operands.c (correct_use_link): Remove.
11304 (finalize_ssa_use_ops): No longer call correct_use_link.
11306 2006-04-27 Stuart Hastings <stuart@apple.com>
11308 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11309 * config/t-darwin (crt3.o): Use it.
11310 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11311 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11312 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11313 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11314 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11317 2006-04-27 Roger Sayle <roger@eyesopen.com>
11319 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11320 size, force the intermediate into a new pseudo rather instead of
11321 performing both a bitwise AND and a bitwise IOR in memory.
11323 2006-04-27 Richard Guenther <rguenther@suse.de>
11325 PR rtl-optimization/26685
11326 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11327 this one "max-flow-memory-locations".
11329 2006-04-27 Richard Guenther <rguenther@suse.de>
11331 PR tree-optimization/25148
11332 * tree-vrp.c (compare_values): Remove code dealing with
11333 comparisons against type min/max value. Honour overflow
11334 and negative constants in code dealing with comparisons
11335 of plus and minus expressions.
11336 (value_inside_range): Use fold_binary with LE_EXPR and
11337 GE_EXPR rather than compare_values.
11339 2006-04-27 Dirk Mueller <dmueller@suse.de>
11341 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11344 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11346 * basic-block.h (safe_insert_insn_on_edge): Removed.
11347 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11349 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11350 Paolo Bonzini <bonzini@gnu.org>
11352 PR middle-end/27282
11353 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11354 (simplify_and_const_int): Same.
11356 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11358 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11360 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11363 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11364 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11365 cgraph_global_info_ready.
11367 PR middle-end/26913
11368 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11371 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11372 either decl or init is error_mark_node.
11374 PR middle-end/25989
11375 * tree-flow.h (struct omp_region): Add sched_kind.
11376 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11377 instead of extracting omp for data.
11378 (expand_omp_for): Save extracted sched_kind.
11380 2006-04-25 Roger Sayle <roger@eyesopen.com>
11382 * expmed.c (store_bit_field): Also check whether the bitsize is
11383 valid for the machine's "insv" instruction before moving the
11384 target into a pseudo for use with the insv.
11385 * config/i386/predicates.md (const8_operand): New predicate.
11386 * config/i386/i386.md (extv, extzv, insv): Use the new
11387 const8_operand predicate where appropriate.
11389 2006-04-25 DJ Delorie <dj@redhat.com>
11391 * doc/install.texi (Specific): Clarify that this is not a list of
11392 supported hosts or targets.
11394 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11396 PR rtl-optimization/26725
11397 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11398 block's BB_DIRTY flag.
11400 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11402 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11405 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11406 to print an integer.
11408 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11410 * varasm.c (align_variable): New function.
11411 (get_block_for_decl): Apply align_variable to DECL before
11412 calculating section information.
11413 (assemble_variable): Split out alignment computation.
11415 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11417 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11420 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11422 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11423 MODE_PARTIAL_INT mode.
11424 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11425 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11427 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11428 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11430 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11432 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11434 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11435 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11436 MACFLAG_IH): Likewise.
11437 (movstricthi_1): Renamed from "*movstricthi".
11438 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11439 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11440 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11441 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11442 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11443 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11444 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11445 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11446 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11447 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11448 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11449 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11450 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11451 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11452 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11454 * doc/rtl.texi (ss_ashift): Improve wording.
11456 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11458 * dwarf2out.c (verify_marks_clear): New.
11459 (prune_unused_types): Call verify_marks_clear initially, not
11462 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11464 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11465 * doc/rtl.texi: Document them.
11466 * simplify-rtx.c (simplify_unary_operation,
11467 simplify_binary_operation_1): Don't abort when we see them.
11469 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11472 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11473 * configure.ac: Completely disregard languages that are not
11475 * configure: Regenerated.
11477 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11478 Richard Guenther <rguenther@suse.de>
11480 PR tree-optimization/27236
11481 * tree-inline.c (copy_body_r): Make sure to copy
11482 TREE_THIS_VOLATILE flag.
11484 2006-04-24 Richard Guenther <rguenther@suse.de>
11486 PR middle-end/26869
11487 * tree-complex.c (update_parameter_components): Don't handle
11488 unused parameters which have no default def.
11490 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11491 Richard Guenther <rguenther@suse.de>
11493 PR tree-optimization/27218
11494 * tree-inline.c (expand_call_inline): Strip useless type
11495 conversions for the return slot address.
11497 2006-04-24 Richard Guenther <rguenther@suse.de>
11499 * cfgloop.h (struct loops): Remove unused field array. Reorder
11501 (LOOP_PREFETCH): Remove.
11503 2006-04-24 Richard Guenther <rguenther@suse.de>
11505 PR tree-optimization/22525
11506 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11507 variable, adjust types of generated expressions.
11509 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11511 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11512 (tree-vect-patterns.o): Likewise.
11513 (jump.o): Likewise.
11514 (cselib.o): Likewise.
11515 (loop-doloop.o): Likewise.
11516 (regclass.o): Likewise.
11517 (reload1.o): Likewise.
11518 (explow.o): Replace target.h with $(TARGET_H).
11519 (ipa-prop.o): Likewise.
11520 (ipa-cp.o): Likewise.
11521 (ipa-inline.o): Likewise.
11522 (reorg.o): Likewise.
11523 (reg-stack.o): Likewise.
11525 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11527 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11529 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11531 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11533 * configure.ac: Completely disregard languages that are not
11535 * configure: Regenerated.
11538 * c-common.h (c_build_bitfield_integer_type): Declare.
11539 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11540 * c-common.c (c_build_bitfield_integer_type): ... here.
11542 2006-04-23 Roger Sayle <roger@eyesopen.com>
11545 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11546 a SImode SUBREG of a floating point register after no_new_pseudos.
11548 2006-04-23 Roger Sayle <roger@eyesopen.com>
11550 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11551 identify potentially eliminable registers to additionally catch
11552 VIRTUAL_INCOMING_ARGS_REGNUM.
11553 (addsi3): Update the conditions on when to use addsi_small_int.
11555 2006-04-23 Roger Sayle <roger@eyesopen.com>
11558 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11559 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11560 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11562 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11564 * fold-const.c (range_predecessor): Use operand_equal_p
11565 as the predicate for equality.
11566 (range_successor): Likewise.
11568 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11571 * config/soft-fp/op-common.h: Fix a typo.
11573 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11575 PR libmudflap/26864
11576 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11577 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11579 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11581 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11583 * doc/tm.texi: Fix a typo.
11585 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11587 * dwarf2out.c (struct die_struct): Document that die_sib makes
11588 a circular linked list.
11589 (FOR_EACH_CHILD): New.
11590 (reverse_die_lists): Delete.
11591 (reverse_all_dies): Delete.
11592 (add_dwarf_attr): Correct documentation.
11593 (remove_child_with_prev): New.
11594 (remove_child_TAG): Update for change to die_struct, use
11595 remove_child_with_prev.
11596 (add_child_die): Update for change to die_struct.
11597 (splice_child_die): Use remove_child_with_prev and add_child_die.
11598 (print_die): Use FOR_EACH_CHILD.
11599 (die_checksum): Likewise.
11600 (assign_symbol_names): Likewise.
11601 (output_location_lists): Likewise.
11602 (build_abbrev_table): Likewise.
11603 (calc_die_sizes): Likewise.
11604 (mark_dies): Likewise.
11605 (unmark_dies): Likewise.
11606 (unmark_all_dies): Likewise.
11607 (output_die): Likewise.
11608 (prune_unused_types_mark): Likewise.
11609 (prune_unused_types_walk): Likewise.
11610 (same_die_p): Update for change to die_struct.
11611 (break_out_includes): Likewise.
11612 (prune_unused_types_prune): Likewise.
11613 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11614 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11615 it's already clear.
11616 (dwarf2out_finish): Don't call reverse_all_dies.
11618 2006-04-21 Eric Christopher <echristo@apple.com>
11620 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11621 in comments and function names.
11623 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11626 * c-typeck.c (digest_init): Robustify.
11628 * c-typeck.c (pop_init_level): Simplify.
11630 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11632 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11634 2006-04-21 Paul Brook <paul@codesourcery.com>
11636 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11637 hardware floating point.
11639 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11641 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11644 2006-04-21 Nick Clifton <nickc@redhat.com>
11646 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11649 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11652 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11653 C++ lang type in traceback table for Objective-C++.
11655 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11657 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11659 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11661 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11664 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11665 were errors. Remove check for erroneous objects.
11667 2006-04-20 Jeff Law <law@redhat.com>
11669 PR tree-optimization/26854
11670 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11671 checking for zero or one use.
11672 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11673 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11674 * tree-ssa-reassoc.c (negate_value): Similarly.
11675 (reassociate_bb): Similarly.
11677 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11679 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11680 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11681 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11683 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11685 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11686 fp regs if the last fp arg doesn't fit in regs.
11688 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11691 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11692 that the last insn has the REG_INC note.
11694 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11695 Nathan Sidwell <nathan@codesourcery.com>
11698 * stor-layout.c (update_alignment_for_field): Do not align
11700 (place_union_field): Place union field at the start of the union.
11701 (place_field): Move ERROR_MARK check later, and use the current
11702 allocation position to maintain monotonicity.
11704 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11706 * dominance.c: Include timevar.h.
11707 (calculate_dominance_info): Use TV_DOMINANCE.
11708 * timevar.def (TV_DOMINANCE): New timevar.
11709 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11711 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11713 PR rtl-optimization/14261
11714 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11715 move would be an INSV insn.
11716 (noce_process_if_block): Don't optimize if the destination is a
11717 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11719 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11721 * config/s390/s390.md: Add comments with the instructions emitted
11722 by an insn pattern if macros are used.
11724 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11726 PR rtl-optimization/26026
11727 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11728 is a known power of two shifted left a variable amount.
11730 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11732 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11733 to hash table twice when the debug_str section has SECTION_MERGE.
11735 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11737 * config/soft-fp: New directory. From glibc.
11738 * config/soft-fp/t-softfp: New.
11739 * config/soft-fp/README: New.
11740 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11741 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11742 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11743 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11744 * config.gcc: Use rs6000/t-fprules-fpbit or
11745 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11747 * config/rs6000/sfp-machine.h: New. Based on glibc.
11748 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11750 * config/rs6000/t-fprules: Remove fp-bit rules.
11751 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11752 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11753 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11754 (softfp_wrap_start, softfp_wrap_end): New.
11756 2006-04-18 DJ Delorie <dj@redhat.com>
11758 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11760 2006-04-18 Devang Patel <dpatel@apple.com>
11762 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11764 2006-04-18 Nick Clifton <nickc@redhat.com>
11766 * config/sh/t-symbian: Add rule to build sh-c.o
11767 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11768 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11769 (sh_symbian_encode_section_info): Likewise.
11771 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11773 * builtins.c (expand_builtin_strcmp): Cover label definition of
11774 do_libcall with HAVE_cmpstrnsi.
11776 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11778 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11780 * function.h (temp_slot_p): New.
11781 (function): Change the type of x_used_temp_slots to
11782 VEC(temp_slot_p,gc) *.
11784 2006-04-18 Nick Clifton <nickc@redhat.com>
11786 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11787 flag_strength_reduce.
11789 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11791 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11795 Partial revert of revision 112637
11796 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11797 Dale Johannesen <dalej@apple.com>
11800 * regclass.c (struct reg_pref): Update documentation.
11801 (regclass): Set prefclass to NO_REGS if memory is the best option.
11802 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11804 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11806 PR tree-optimization/26821
11807 * tree-ssa-math-opts.c (get_constant_one): New.
11808 (insert_reciprocals): Use it.
11810 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11812 * dwarf2out.c (free_AT): Delete.
11813 (remove_AT): Update string ref counts.
11814 (remove_child_TAG): Don't call free_die.
11815 (free_die): Delete.
11816 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11817 or DW_TAG_GNU_EINCL.
11818 (prune_unused_types_walk_attribs): Reset string refcounts.
11819 (prune_unused_types_update_strings): New.
11820 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11821 call free_die. Do call prune_unused_types_update_strings.
11822 (prune_unused_types): Empty debug_str_hash.
11824 2006-04-17 Roger Sayle <roger@eyesopen.com>
11826 * expr.c (expand_assignment): Optimize away no-op moves where the
11827 source and destination are equal and have no side-effects.
11829 2006-04-17 Richard Guenther <rguenther@suse.de>
11832 * reload.c (push_reload): Guard calls to get_secondary_mem
11833 for memory subregs.
11835 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11837 * alias.c (reg_base_value, old_reg_base_value): Change the
11838 type to VEC(rtx,gc) *.
11839 (REG_BASE_VALUE, find_base_value, record_set,
11840 init_alias_analysis): Use VEC instead of VARRAY.
11842 * alias.c (alias_sets): Change the type to
11843 VEC(alias_set_entry,gc) *.
11844 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11845 VEC instead of VARRAY.
11846 (last_alias_set): Remove.
11848 * cgraph.h (cgraph_edge_p): New.
11849 Update the prototype of cgraph_function_versioning.
11850 * cgraphunit.c (cgraph_copy_node_for_versioning,
11851 cgraph_function_versioning): Use VEC instead of VARRAY.
11852 * ipa-cp.c (ipcp_insert_stage): Likewise.
11854 2006-04-16 Roger Sayle <roger@eyesopen.com>
11857 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11858 "A op B" or "A op C", we may need to convert A to the type of B and C.
11860 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11862 * target.h (struct gcc_target): Add mode_rep_extended.
11863 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11864 (init_num_sign_bit_copies_in_rep): Initialize it using
11866 (truncate_to_mode): Use it.
11867 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11868 * targhooks.h (default_mode_rep_extended): Declare it.
11869 * targhooks.c (default_mode_rep_extended): Define it.
11870 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11871 default_mode_rep_extended.
11872 (TARGET_INITIALIZER): Include it.
11873 * doc/tm.texi (Misc): Document it.
11874 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11875 (mips_truncated_to_mode): New function.
11877 2006-04-16 Roger Sayle <roger@eyesopen.com>
11879 PR middle-end/25474
11880 * expr.c (compress_float_constant): Copy the narrow constant into
11881 a new pseudo before extending it to its final width.
11883 2006-04-16 Roger Sayle <roger@eyesopen.com>
11884 Andrew Pinski <pinskia@gcc.gnu.org>
11885 Dale Johannesen <dalej@apple.com>
11888 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11889 special case code to implement V8HImode and V16QImode with SSE2.
11891 2006-04-15 Roger Sayle <roger@eyesopen.com>
11893 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11894 trees are constructed with a suitable tree type.
11896 2006-04-15 Roger Sayle <roger@eyesopen.com>
11898 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11899 (integer_onep): Likewise.
11900 (integer_all_onesp): Likewise.
11901 (integer_pow2p): Likewise.
11902 (integer_nonzerop): Likewise.
11903 (real_zerop): Likewise.
11904 (real_onep): Likewise.
11905 (real_twop): Likewise.
11906 (real_minus_onep): Likewise.
11907 (int_size_in_bytes): Likewise.
11908 (host_integerp): Likewise.
11910 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11912 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11913 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11914 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11916 * tree-ssa-structalias.h (alias_info): Remove num_references.
11918 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11920 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11921 (output_bvb patterns): Likewise.
11922 * pa.c (output_bb): Use 'bb' insn for long branch case.
11923 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11924 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11925 1. Correct length operand for alternatives 1 and 2.
11926 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11927 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11929 2006-04-14 Roger Sayle <roger@eyesopen.com>
11931 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11932 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11933 were accidentally reverted by r112959.
11935 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11937 PR middle-end/26823
11938 * except.h (eh_region_outermost): New prototype.
11939 * except.c (eh_region_outermost): New function.
11940 * tree-cfg.c (find_outermost_region_in_block): Use it.
11942 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11944 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11946 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11947 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11948 (init_reload, reload): Use VEC instead of VARRAY.
11949 * reload.h: Update the prototype for
11950 reg_equiv_memory_loc_varray.
11952 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11953 Eric Botcazou <ebotcazou@libertysurf.fr>
11955 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11956 register save area.
11958 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11960 PR middle-end/27134
11961 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11962 to expand fallback builtin function call.
11964 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11966 PR middle-end/27095
11967 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11968 and emit libcall here in case the builtin fails.
11969 (expand_builtin_strcmp): Always emit the libcall here on failure.
11971 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11973 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11974 * flow.c (reg_n_info): Change the type to
11975 VEC(reg_info_p,heap) *.
11976 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11978 * regs.h (reg_info_p): New.
11979 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11980 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11981 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11984 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11986 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11988 * params.h (MAX_SCHED_READY_INSNS): New macro.
11989 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11990 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11991 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11992 the ready list for 1 cycle during the first scheduling pass.
11993 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11995 2006-04-13 Richard Henderson <rth@redhat.com>
11998 * gimple-low.c (lower_omp_directive): Remove dead code.
11999 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12000 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12001 * omp-low.c (struct omp_region): Move to tree-flow.h.
12002 (root_omp_region): Export.
12003 (omp_regions, lookup_omp_region): Remove.
12004 (determine_parallel_type): Update for struct omp_region changes.
12005 (dump_omp_region): Dump regions with block numbers.
12006 (new_omp_region): Take type and block instead of stmt; malloc
12008 (free_omp_region_1, free_omp_regions): New.
12009 (expand_parallel_call): Take entry_stmt as argument; update for
12010 changes to omp_region.
12011 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12012 (remove_exit_barriers): New.
12013 (expand_omp_parallel): Update for struct omp_region changes.
12014 (expand_omp_synch): Likewise.
12015 (expand_omp): Likewise.
12016 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12017 (expand_omp_for_static_chunk): Likewise.
12018 (expand_omp_for): Likewise.
12019 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12020 (expand_omp_sections): Similarly, with GOMP_sections_end.
12021 (expand_omp_single): New.
12022 (build_omp_regions_1): Update for OMP_CONTINUE.
12023 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12024 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12025 OMP_SECTIONS_SECTIONS.
12026 (lower_omp_single_simple): Don't emit barrier here.
12027 (lower_omp_single_copy): Likewise.
12028 (lower_omp_single): Fix bindings, and lower to straightline now.
12029 (lower_omp_master, lower_omp_ordered): Likewise.
12030 (lower_omp_critical): Likewise.
12031 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12032 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12033 omp edges, free it afterward.
12034 (make_omp_sections_edges): Remove.
12035 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12036 (move_stmt_r): Handle OMP_CONTINUE.
12037 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12038 statement pointers to basic blocks. Add type member.
12039 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12040 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12041 * tree-inline.c (estimate_num_insns_1): Likewise.
12042 * tree-pretty-print.c (dump_generic_node): Likewise.
12043 * tree-ssa-operands.c (get_expr_operands): Likewise.
12044 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12045 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12046 (OMP_CONTINUE): New.
12047 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12048 (OMP_SECTIONS_SECTIONS): Remove.
12049 (OMP_SECTION_LAST): New.
12050 (OMP_RETURN_NOWAIT): New.
12052 2006-04-13 Roger Sayle <roger@eyesopen.com>
12054 * fold-const.c (native_encode_vector, native_interpret_real):
12055 Correct obvious mistakes in the previous check-in.
12057 2006-04-13 Roger Sayle <roger@eyesopen.com>
12059 * fold-const.c (native_encode_expr): New function to encode
12060 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12061 or VECTOR_CST into a specified buffer.
12062 (native_encode_int): New function.
12063 (native_encode_real): New function.
12064 (native_encode_complex): New function.
12065 (native_encode_vector): New function.
12066 (native_interpret_expr): Inverse of native_encode_expr to convert
12067 a target representation into an INTEGER_CST, REAL_CST etc...
12068 (native_interpret_int): New function.
12069 (native_interpret_real): New function.
12070 (native_interpret_complex): New function.
12071 (native_interpret_vector): New function.
12072 (fold_view_convert_expr): New function to constant fold/evaluate
12073 a VIEW_CONVERT_EXPR of a suitable constant expression.
12074 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12075 Change call of build1 to fold_build1 when constructing a
12078 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12079 Ulrich Weigand <uweigand@de.ibm.com>
12082 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12085 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12088 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12089 optimize to lo_sum for DFmode if !TARGET_FPRS.
12091 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12093 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12094 delete_alias_info, compute_flow_sensitive_aliasing,
12095 group_aliases): Use VEC instead of VARRAY.
12096 * tree-ssa-structalias.c (update_alias_info): Likewise.
12097 * tree-ssa-structalias.h (alias_info): Change the type of
12098 processed_ptrs to VEC(tree,heap) *.
12100 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12103 * config/sh/lib1funcs.h: New file, broken out of:
12104 * config/sh/lib1funcs.asm.
12105 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12107 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12108 * config/sh/lib1funcs-Os-4-200.asm: New file.
12109 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12110 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12111 (EXTRA_MULTILIB_PARTS): Include it.
12112 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12113 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12114 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12115 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12118 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12120 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12121 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12122 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12124 * tree-ssa-live.h: Include vecprim.h.
12125 (tree_partition_associator_d): Change the type of
12126 first_partition to VEC(int,heap) *.
12127 (tpa_first_partition): Use VEC instead of VARRAY.
12129 * Makefile.in (GTFILES): Move functions.h after tree.h.
12130 * function.c (reset_block_changes, record_block_change,
12131 check_block_change, free_block_changes): Use VEC instead of
12133 * function.h (function): Change the type of
12134 ib_boundaries_block to VEC(tree,gc) *.
12135 * tree-inline.c (copy_cfg_body): Initialize
12136 ib_boundaries_block to NULL instead of (varray_type) 0.
12138 2006-04-12 Roger Sayle <roger@eyesopen.com>
12140 * expr.c (emit_group_store): Correct operand order in call to
12141 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12142 a SUBREG_BYTE of zero.
12144 2006-04-12 Richard Guenther <rguenther@suse.de>
12146 * profile.c (compute_branch_probabilities): Remove code
12147 encapsulated in !ir_type (), which are remanents of the
12148 removed RTL profiling code.
12149 * rtl-profile.c: Remove.
12151 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12153 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12154 magic NULL_RTX comment.
12155 (function_arg): Store entire fp arg to mem if any part should go
12157 (rs6000_arg_partial_bytes): Adjust for above change.
12159 2006-04-11 Roger Sayle <roger@eyesopen.com>
12161 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12162 if it hasn't been initialized by dwarf2out_init.
12164 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12166 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12167 symbolic constants in branch patterns.
12169 2006-04-11 Roger Sayle <roger@eyesopen.com>
12171 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12173 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12175 PR rtl-optimization/27073
12176 * gcse.c (try_replace_reg): Revert last change. Continue to search
12177 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12180 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12182 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12183 aggregate types other than record and union types.
12184 (function_arg): Likewise.
12185 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12187 (function_value): In 64-bit mode, return objects that require it
12190 2006-04-11 Roger Sayle <roger@eyesopen.com>
12192 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12194 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12196 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12198 2006-04-03 Jeff Law <law@redhat.com>
12201 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12202 alias information too.
12204 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12206 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12208 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12211 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12212 (premark_used_types_helper): New.
12213 (premark_used_types): New.
12214 (gen_subprogram_die): Call premark_used_types.
12215 (prune_unused_types_walk): Do not prune perennial dies.
12216 * function.c (used_types_insert): New.
12217 * function.h (struct function): Add used_types_hash field.
12218 (used_types_insert): Add prototype.
12219 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12220 * c-parser.c (c_parser_cast_expression): Save casted types in used
12223 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12226 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12227 rs6000_explicit_options.float_gprs.
12229 2006-04-10 Roger Sayle <roger@eyesopen.com>
12231 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12232 from ix86_expand_vector_init_low_nonzero. Take an additional
12233 one_var argument indicating which element is non-zero. Support
12234 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12235 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12236 with one_var instead of ix86_expand_vector_init_low_nonzero.
12238 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12240 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12241 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12242 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12243 build/genextract.o): Depend on vecprim.h.
12244 * cfglayout.c, df-problems.c, function.c, genextract.c,
12245 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12246 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12250 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12252 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12253 Declare VECs of this type.
12254 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12255 (remove_children): Delete.
12256 (add_dwarf_attr): Use VEC routines.
12257 (add_AT_flag): Update for changes to add_dwarf_attr.
12258 (add_AT_int): Likewise.
12259 (add_AT_unsigned): Likewise.
12260 (add_AT_long_long): Likewise.
12261 (add_AT_vec): Likewise.
12262 (add_AT_string): Likewise.
12263 (add_AT_die_ref): Likewise.
12264 (add_AT_fde_ref): Likewise.
12265 (add_AT_loc): Likewise.
12266 (add_AT_loc_list): Likewise.
12267 (add_AT_addr): Likewise.
12268 (add_AT_lbl_id): Likewise.
12269 (add_AT_lineptr): Likewise.
12270 (add_AT_macptr): Likewise.
12271 (add_AT_offset): Likewise.
12272 (add_AT_range_list): Likewise.
12273 (get_AT): Use VEC_iterate.
12274 (remove_AT): Use VEC_ordered_remove.
12275 (free_die): Fold remove_children into here; have it use VEC_iterate.
12276 (print_die): Use VEC_iterate on attrs.
12277 (reverse_die_lists): Don't reverse attr lists.
12278 (die_checksum): Use VEC_iterate on attrs.
12279 (same_die_p): Likewise.
12280 (output_location_lists): Likewise.
12281 (build_abbrev_table): Likewise.
12282 (size_of_die): Likewise.
12283 (unmark_all_dies): Likewise.
12284 (output_abbrev_section): Likewise.
12285 (output_die): Likewise.
12286 (prune_unused_types_walk_attribs): Likewise.
12288 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12290 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12292 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12295 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12297 2006-04-09 Roger Sayle <roger@eyesopen.com>
12299 * expr.c (store_constructor): Don't bother clearing target if
12300 we're about to assign a vector to it using vec_init_optab.
12302 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12304 * tree-ssa-alias.c (lhs_may_store_to): New function.
12305 (recalculate_used_alone): Handle LHS of calls.
12307 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12311 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12312 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12313 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12314 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12315 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12316 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12317 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12318 stubs. Add ".align 8" directives before all ".dword" directives.
12319 (GTHREAD_USE_WEAK): Revise comment.
12320 (TARGET_ATTRIBUTE_WEAK): Define.
12321 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12322 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12323 * stublib.c: New file.
12328 * pa.md (cbranch patterns): Revise arguments used in calls to
12329 output_cbranch, output_bb and output_bvd. Add long branch length
12331 (fbranch patterns): Handle long branches.
12332 (jump): Revise length check. Revise arguments for output_lbranch call.
12333 Add long branch length attributes.
12334 (decrement_and_branch_until_zero): Add long branch length attributes.
12335 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12336 Likewise. Revise arguments for output_parallel_addb and
12337 output_parallel_movb calls.
12338 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12339 output_parallel_movb and output_parallel_addb): Update prototypes.
12340 * pa.c (output_cbranch): Revise arguments. Correct handling of
12341 nullification in long branches.
12342 (output_lbranch): Add new argument to control extraction of delay
12344 (output_bb): Handle long branches.
12345 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12346 output_parallel_addb): Likewise.
12348 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12350 PR rtl-optimization/27073
12351 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12354 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12356 * tree.h (tree_memory_tag): Add old_used_alone.
12357 (SMT_OLD_USED_ALONE): New macro.
12358 * tree-ssa-alias.c (recalculate_used_alone): Stop
12359 marking things for renaming unnecessarily.
12361 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12363 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12364 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12365 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12366 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12367 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12368 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12369 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12370 spelling convensions.
12371 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12372 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12373 typos. Follow spelling conventions.
12375 2006-04-07 DJ Delorie <dj@redhat.com>
12377 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12378 passed on the stack.
12379 (m32c_init_cumulative_args): When a function returns a structure,
12380 always pass the pointer to that return area on the stack.
12381 (m32c_function_arg_advance): Don't increment the parameter number
12382 if we're processing the returned structure pointer.
12383 (pushm_info): Reverse order of registers.
12385 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12387 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12388 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12389 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12390 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12391 build_int_cst_type.
12392 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12393 chrec_fold_multiply): Same.
12394 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12395 force_expr_to_var_cost): Same.
12396 * tree-mudflap.c (mf_xform_derefs_1): Same.
12397 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12399 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12401 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12402 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12405 2006-04-07 Jan Hubicka <jh@suse.cz>
12407 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12409 2006-04-07 Richard Guenther <rguenther@suse.de>
12411 PR tree-optimization/26135
12412 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12413 loads for store copy-prop.
12414 (copy_prop_visit_stmt): Likewise.
12416 2006-04-05 Robert Millan <robertmh@gnu.org>
12418 * config/i386/linux.h: Add a comment to mark macros that are
12419 being overriden in config/k*bsd-gnu.h.
12420 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12422 * config/knetbsd-gnu.h: Ditto.
12424 2006-04-06 Jan Hubicka <jh@suse.cz>
12428 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12431 2006-04-06 Mike Stump <mrs@apple.com>
12433 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12434 for HAVE_nonlocal_goto to be consistent.
12435 (expand_builtin_nonlocal_goto): Likewise.
12436 (expand_builtin_strcmp): Use #ifdef instead of #if
12437 for HAVE_cmpstrnsi to be consistent.
12439 2006-04-05 DJ Delorie <dj@redhat.com>
12441 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12444 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12446 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12447 got-relative addressing for anything but SImode.
12449 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12450 even if the calling function doesn't modify them.
12452 2006-04-05 Richard Guenther <rguenther@suse.de>
12454 PR tree-optimization/26919
12455 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12456 to cgraph_estimate_size_after_inlining.
12458 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12460 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12462 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12464 PR tree-optimization/26996
12465 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12466 VECTOR_TYPE variables.
12468 2006-04-05 Richard Guenther <rguenther@suse.de>
12470 PR tree-optimization/26763
12471 * fold-const.c (fold_comparison): Move folding of
12472 PTR + CST CMP PTR + CST ...
12473 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12475 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12477 * doc/install.texi (Prerequisites): Refine some wording on
12478 bootstrapping and ksh.
12479 Move the version numbers of DejaGnu here from the testing section
12480 and fix casing of names.
12481 Fix markup and clarify wording for autogen requirements.
12482 Refer to GCJ instead of just java.
12483 Refer to SVN instead of CVS.
12484 Describe diffutils as useful instead of necessary.
12485 (Downloading the source): Refer to SVN instead of CVS.
12486 Adjust a link to our web site accordingly.
12487 (Configuration): Fix casing of Bison.
12488 (Building): Refer to SVN instead of CVS.
12489 Fix a sentence on the use of Bison and remove duplicate (and
12490 incorrect) version number of Bison requirement.
12491 Remove one redundant list of packages needed for building.
12492 (Specific): Avoid reference to CVS.
12494 2006-04-04 Eric Christopher <echristo@apple.com>
12496 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12497 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12498 (rs6000_handle_struct_attribute): New.
12499 (rs6000_ms_bitfield_layout_p): Ditto.
12501 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12503 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12504 NULL for dso parameter to atexit_common.
12506 2006-04-04 Eric Christopher <echristo@apple.com>
12508 * config/i386/i386.c (machopic_output_stub): Output \t
12509 between instructions and operands.
12511 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12513 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12514 satisfies_constraint_[IL] to explicit tests on value.
12516 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12518 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12519 set_nb_iterations_in_loop): Use build_int_cst instead of
12520 build_int_cst_type.
12521 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12522 build_int_cst instead of convert.
12524 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12526 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12527 new value 2 for incoming.
12528 * function.c (expand_function_start): Call struct_value_rtx
12529 with incoming as 2.
12530 * config/sparc/sparc.md: Comment updated_return.
12531 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12532 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12533 struct return if sparc_std_struct_return and incoming is 2.
12534 (print_operand): Do not adjust return if
12535 sparc_std_struct_return.
12537 2006-04-04 Roger Sayle <roger@eyesopen.com>
12539 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12540 convert in the middle-end.
12541 * expr.c (store_expr, store_constructor, get_inner_reference,
12542 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12544 * tree.c (build_range_type): Likewise.
12546 2006-04-04 Tom Tromey <tromey@redhat.com>
12548 * doc/install.texi (Prerequisites): Mention jar.
12550 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12552 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12555 2006-04-04 Matthias Klose <doko@debian.org>
12557 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12561 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12564 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12566 * doc/extend.texi (Function Attributes): Rewrite visibility
12567 attribute documentation.
12568 * doc/invoke.texi (C++ Dialect Options): Rewrite
12569 -fvisibility-inlines-hidden documentation to describe something
12570 entirely different, although in practise compatible.
12571 (Code Gen Options): Warn about system headers in -fvisibility=
12574 * doc/extend.texi (Other Builtins): Document that
12575 __builtin_nan is a compile-time constant only when its argument
12578 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12580 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12581 trying to remove TRUNCATE check if all bits outside the new mode
12582 are identical to the sign bit.
12584 2006-04-03 Jeff Law <law@redhat.com>
12586 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12587 and operand scanning in some common cases.
12589 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12590 Dale Johannesen <dalej@apple.com>
12593 * regclass.c (struct reg_pref): Update documentation.
12594 (regclass): Set prefclass to NO_REGS if memory is the best option.
12595 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12596 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12597 into account. For non-registers, equate an empty preferred
12598 reload class to a `!' in the constraint; move the if clause to
12599 do so after those that reject the insn.
12600 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12602 (find_dummy_reload): Likewise.
12603 * doc/tm.texi (Register Classes): Document what it means
12604 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12605 * config/i386/i386.c (ix86_preferred_reload_class): Force
12606 using SSE registers (and return NO_REGS for floating-point
12607 constants) if math is done with SSE.
12608 (ix86_preferred_output_reload_class): New.
12609 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12610 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12611 * config/i386/i386.md: Remove # register preferences.
12613 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12616 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12617 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12618 the type of nb_iter.
12619 (instantiate_parameters_1): Convert the operands before calling
12620 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12621 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12623 2006-04-02 Roger Sayle <roger@eyesopen.com>
12625 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12626 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12627 instead of convert.
12628 * dojump.c (do_jump): Likewise.
12629 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12630 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12631 gimplify_boolean_expr): Likewise.
12632 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12633 * varasm.c (array_size_for_constructor): Likewise.
12634 * tree-object-size.c (compute_object_offset): Likewise.
12636 2006-04-02 Roger Sayle <roger@eyesopen.com>
12638 PR middle-end/26977
12639 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12640 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12642 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12644 PR tree-optimization/26939
12645 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12647 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12649 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12650 at_stmt. Convert the type of operands before calling
12651 build_polynomial_chrec.
12652 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12653 add_to_evolution_1.
12654 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12655 (instantiate_parameters_1): Convert the type of operands before calling
12656 build_polynomial_chrec.
12657 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12658 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12659 reset_evolution_in_loop): Insert asserts to check the types of the
12661 (chrec_type): Moved...
12662 (eq_evolutions_p): Use operand_equal_p.
12663 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12664 the types of the operands.
12665 (chrec_type): ...here.
12666 * tree-data-ref.c (create_data_ref): Convert the operands before
12667 calling chrec_replace_initial_condition.
12668 (same_access_functions, analyze_subscript_affine_affine,
12669 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12670 (compute_subscript_distance, analyze_ziv_subscript,
12671 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12672 analyze_miv_subscript): Convert the operands before calling
12673 chrec_fold_minus or chrec_fold_plus.
12675 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12677 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12678 the dependence_relations vector.
12679 (compute_data_dependences_for_loop): Adjust call to
12680 compute_all_dependences.
12682 2006-04-01 Roger Sayle <roger@eyesopen.com>
12683 Richard Henderson <rth@redhat.com>
12685 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12686 gimple_boolify on the condition before calling gimplify_expr.
12688 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12690 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12691 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12692 the frame size. Update to use the new macros.
12693 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12694 * config/xtensa/ieee754-df.S: Likewise.
12696 2006-03-31 Richard Henderson <rth@redhat.com>
12698 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12699 (make_edges): ... here. Control fallthru creation with a local
12700 variable. Do not play with fake edges.
12701 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12702 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12705 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12707 * dwarf2.h (DW64_CIE_ID): Define.
12708 * dwarf2out.c (DWARF_CIE_ID): Define.
12709 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12710 length header. Use DWARF_CIE_ID.
12711 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12712 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12714 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12716 * config/sh/linux-atomic.asm: New file.
12717 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12719 2006-03-31 DJ Delorie <dj@redhat.com>
12721 * config/m32c/cond.md: Set condition flags properly throughout.
12722 * config/m32c/minmax.md: Likewise.
12723 * config/m32c/prologue.md: Likewise.
12724 * config/m32c/bitops.md: Likewise.
12725 * config/m32c/muldiv.md: Likewise.
12726 * config/m32c/mov.md: Likewise.
12727 * config/m32c/addsub.md: Likewise.
12728 * config/m32c/m32c.md: Likewise.
12729 * config/m32c/jump.md: Likewise.
12730 * config/m32c/shift.md: Likewise.
12732 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12733 conditionally output the pattern for this.
12734 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12735 (m32c_compare_redundant): New.
12736 (m32c_output_compare): New.
12737 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12739 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12740 dest, not src. Allow other 4-byte modes.
12742 2006-03-30 Denis Chertykov <denisc@overta.ru>
12744 * doc/md.texi: Refer to avr/constraints.md instead of
12747 2006-03-30 Roger Sayle <roger@eyesopen.com>
12749 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12750 signed vs. unsigned comparison failures on some hosts.
12752 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12755 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12756 change to FLOAT_REGS.
12758 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12759 (rs6000_override_options): Use it.
12760 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12761 only for -mabi=spe/no-spe and -mabi=altivec.
12763 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12765 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12768 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12770 * Makefile.in: Rename docdir to gcc_docdir.
12772 2006-03-30 Roger Sayle <roger@eyesopen.com>
12775 * expr.c (emit_group_store): Optimize group stores into a pseudo
12776 register by using a paradoxical subreg to initialize the destination
12777 if the first or last member of the group specifies a "low part".
12779 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12782 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12783 * target.h (struct gcc_target.speculate_insn): Change type of the
12784 second parameter to 'int'.
12785 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12786 the second operand of the DEPS_LIST.
12787 (copy_DEPS_LIST_list): Update reference to the second operand of the
12789 * rtl.h (alloc_DEPS_LIST): Update signature.
12790 * sched-int.h (ds_t): Change typedef to 'int'.
12791 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12793 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12795 * haifa-sched.c (try_ready): Change condition to restore
12796 non-speculative pattern of the instruction.
12797 (process_insn_depend_be_in_spec): Code to keep probability of the
12798 speculative dependence non-decreasing.
12800 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12802 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12803 (single_move_for_movmem): ... this. Also change all uses.
12804 (bfin_expand_strmov): Renamed to...
12805 (bfin_expand_movmem): ... this. Also change all uses.
12806 * config/bfin/bfin.md (movstrsi): Renamed to...
12807 (movstrsi): ...this.
12809 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12811 PR tree-optimization/26830
12813 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12814 (copy_prop_visit_stmt): Remove write-only variable ann.
12815 (init_copy_prop): Check variable loop depth here. Do not simulate
12816 memory-tag and virtual operand PHIs except for store copy prop.
12818 2006-03-30 Richard Guenther <rguenther@suse.de>
12820 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12821 variants with double arguments.
12823 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12825 * genpreds.c (write_tm_constrs_h): Delete variable p.
12826 * genconditions.c (write_header): Add tm-constrs.h to included
12828 * genpeep.c (main): Add toplev.h to included headers.
12829 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12830 (build/genpeep.o): Add toplev.h dependency.
12831 * config/rs6000/constraints.md: Add "W" constraint.
12833 2006-03-29 Roger Sayle <roger@eyesopen.com>
12835 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12836 sizes by correctly testing whether the size fits a host integer.
12837 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12838 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12839 SImode range for the default sizetype and bitsizetype.
12841 2006-03-29 Roger Sayle <roger@eyesopen.com>
12843 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12844 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12845 quickly if the argument is already of the correct type.
12846 Call fold_build1 instead of build1. Tidy up blank lines.
12848 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12850 * genemit.c (main): Add tm-constrs.h to included headers.
12851 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12852 * genpeep.c (main): Add tm-constrs.h to included headers.
12853 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12854 (write_tm_constrs_h): this and write complete file.
12855 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12856 (write_insn_preds_c): Add tm-constrs.h to included headers.
12857 (gen_constrs): New variable.
12858 (parse_option): Parse "-c".
12859 (main): Invoke write_tm_constrs_h.
12860 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12861 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12862 (object_out_file): Add tm-constrs.h dependency.
12863 (insn-emit.o): Same.
12864 (insn-output.o): Same.
12865 (insn-peep.o): Same.
12866 (insn-preds.o): Same.
12867 (insn-recog.o): Same.
12868 (tm-constsr.h): New target.
12869 (s-constrs-h): New target.
12871 * config/rs6000/constraints.md: New file.
12872 * config/rs6000/rs6000.c: Include tm-constrs.h.
12873 (num_insn_constant_wide): Convert to satisfies_constraint.
12874 (rs6000_rtx_costs): Convert to satisfies_constraint.
12875 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12876 (CONST_OK_FOR_LETTER_P): Delete.
12877 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12878 (EXTRA_CONSTRAINT): Delete.
12879 (EXTRA_MEMORY_CONSTRAINT): Delete.
12880 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12881 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12882 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12883 satisfies_constraint.
12885 * config/i386/i386.c: Include tm-constrs.h.
12887 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12889 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12890 * tree-data-ref.c (find_data_references_in_loop,
12891 compute_data_dependences_for_loop): Use pointers to VEC.
12892 (analyze_all_data_dependences): Adjust calls.
12893 * tree-data-ref.h (find_data_references_in_loop,
12894 compute_data_dependences_for_loop): Adjust declarations.
12895 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12896 compute_data_dependences_for_loop.
12898 2006-03-29 Paul Brook <paul@codesourcery.com>
12900 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12901 (movdf_vfp): Ditto.
12903 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12905 PR tree-optimization/26859
12906 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12908 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12909 for the step after fold_convert.
12911 2006-03-29 Paul Brook <paul@codesourcery.com>
12913 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12914 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12916 2006-03-29 Paul Brook <paul@codesourcery.com>
12918 PR middle-end/23623
12919 * targhooks.c (default_narrow_bitfield): New fuction.
12920 * targhooks.h (default_narrow_bitfield): add prototype.
12921 * target.h (gcc_target): Add narrow_volatile_bitfield.
12922 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12923 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12924 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12925 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12927 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12929 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12931 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12932 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12933 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12934 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12935 (s390_function_arg_float): Allow SDmode and DDmode values to be
12936 passed in floating point registers.
12937 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12938 check with SCALAR_FLOAT_MODE_P.
12939 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12941 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12943 PR tree-optimization/25985
12944 * tree-ssa-loop-niter.c (number_of_iterations_le,
12945 number_of_iterations_ne): Make comments more precise.
12946 (number_of_iterations_cond): Add only_exit argument. Use the
12947 fact that signed variables do not overflow only when only_exit
12949 (loop_only_exit_p): New.
12950 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12951 number_of_iterations_cond.
12953 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12955 PR tree-optimization/26643
12956 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12959 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12961 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12962 (divsi3_i4_int): Likewise.
12964 2006-03-28 Roger Sayle <roger@eyesopen.com>
12966 * expr.c (emit_group_store): Only create a new pseudo reg if the
12967 quantity it needs to hold isn't already a suitable pseudo.
12969 2006-03-28 Jeff Law <law@redhat.com>
12971 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12972 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12974 2006-03-28 Roger Sayle <roger@eyesopen.com>
12976 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12977 the equivalent ~X & Y, and the symmetry related transformations.
12978 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12979 ~X & Y, and symmetry related transforms.
12981 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12983 Revert my 2006-03-27 patches.
12985 2006-03-28 Roger Sayle <roger@eyesopen.com>
12987 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12988 ~(T1)X, when T1 and T2 are integer types of the same precision
12989 and (T2)X isn't an extension.
12991 2006-03-28 Jeff Law <law@redhat.com>
12993 PR tree-optimization/26796
12994 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12995 need EH edge cleanups rather than purging them immediately.
12996 (eliminate_degenerate_phis): Handle queued EH cleanups.
12998 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13000 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13003 2006-03-27 Roger Sayle <roger@eyesopen.com>
13005 PR middle-end/22524
13006 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13007 cast BIT_NOT_EXPR operand to the correct type.
13009 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13011 * tree-loop-linear.c: Don't include varray.h.
13012 (gather_interchange_stats, try_interchange_loops,
13013 linear_transform_loops): Use VEC instead of VARRAY.
13014 * lambda-mat.c: Don't include varray.h.
13015 * tree-chrec.c: Same.
13016 * lambda-trans.c: Same.
13017 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13018 VEC instead of VARRAY.
13019 * tree-vectorizer.h: Idem.
13020 * tree-data-ref.c (dump_data_references,
13021 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13022 initialize_data_dependence_relation, finalize_ddr_dependent,
13023 compute_all_dependences, find_data_references_in_loop,
13024 compute_data_dependences_for_loop, analyze_all_data_dependences,
13025 free_dependence_relation, free_dependence_relations,
13026 free_data_refs): Idem.
13027 * tree-data-ref.h (data_reference_p, subscript_p): New.
13028 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13029 VEC instead of VARRAY.
13030 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13031 (find_data_references_in_loop, compute_data_dependences_for_loop,
13032 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13033 dump_data_dependence_relations, free_dependence_relations,
13034 free_data_refs): Adjust declaration.
13035 (lambda_transform_legal_p): Move declaration here...
13036 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13037 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13038 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13039 vect_analyze_data_refs): Use VEC instead of VARRAY.
13040 * lambda.h (lambda_transform_legal_p): ...from here.
13041 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13042 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13043 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13044 tree-chrec.o): Don't depend on VARRAY_H.
13046 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13048 * rtl.def (Copyright): Update date.
13049 (DEPS_LIST): Change type of the second operand to 'int'.
13050 * target.h (Copyright): Update date.
13051 (struct gcc_target.speculate_insn): Change type of the second parameter
13053 * lists.c (Copyright): Update date.
13054 (alloc_DEPS_LIST): Change signature. Update reference to the second
13055 operand of the DEPS_LIST.
13056 (copy_DEPS_LIST_list): Update reference to the second operand of the
13058 * rtl.h (Copyright): Update date.
13059 (alloc_DEPS_LIST): Update signature.
13060 * sched-int.h (Copyright): Update date.
13061 (ds_t): Change typedef to 'int'.
13062 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13064 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13066 * haifa-sched.c (Copyright): Update date.
13067 (try_ready): Change condition to restore non-speculative pattern
13068 of the instruction.
13069 (process_insn_depend_be_in_spec): Code to keep probability of the
13070 speculative dependence non-decreasing.
13072 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13074 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13075 shut up the compiler.
13077 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13079 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13080 to use lib prefix for target.
13081 ($(T)libic_invalidate_array_4-200.a): Likewise.
13082 ($(T)libic_invalidate_array_4a.a): Likewise.
13084 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13085 J"orn Rennecke <joern.rennecke@st.com>
13087 * superh.opt: New file.
13088 * sh.c (boardtype, osruntime): Remove.
13089 * superh.h (SUBTARGET_OPTIONS): Remove.
13090 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13092 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13093 arguments with ^ and/or [].
13095 * config.gcc (sh-*-*): Add quoting to account for quirk of
13097 Replace == with = in enable_incomplete_targets test.
13099 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13100 with MASK_LITTLE_ENDIAN.
13102 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13103 * config/sh/sh.opt: Added to some comments.
13104 * config/sh/superh.h: Removed some chaff.
13106 * config/sh/sh.opt: Add m4-[1234]00* options.
13107 * config/sh/sh.c (sh_handle_option): Likewise.
13108 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13109 (ic_invalidate_array_4-100.o): New rule.
13110 ($(T)libic_invalidate_array_4-100.a): Likewise.
13111 (ic_invalidate_array_4-200.o): Likewise.
13112 ($(T)libic_invalidate_array_4-200.a): Likewise.
13113 (ic_invalidate_array_4a.o): Likewise.
13114 ($(T)libic_invalidate_array_4a.a): Likewise.
13115 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13116 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13118 * config/sh/crt1.asm: Merged in profiling code.
13119 * config/sh/superh.h (STARTFILE_SPEC): Override.
13120 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13121 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13122 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13124 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13125 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13126 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13128 * sh.opt (mpretend-cmove): New option.
13129 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13130 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13131 (movsicc): Add TARGET_PRETEND_CMOVE code.
13133 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13135 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13136 s390_class_max_nregs): New function prototypes.
13137 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13138 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13139 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13140 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13142 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13144 * dwarf2out.c (add_location_or_const_value_attribute): Call
13145 tree_add_const_value_attribute if nothing else works.
13146 (reference_to_unused): New.
13147 (rtl_for_decl_init): Use reference_to_unused to decide whether
13148 to output an initializer.
13150 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13153 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13154 peephole removing spe frob_di_df_2.
13156 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13158 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13159 (subscript_dependence_tester_1): Declared.
13160 (print_dir_vectors, print_dist_vectors): New.
13161 (debug_data_dependence_relation): New.
13162 (dump_data_dependence_relation): Print more details.
13163 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13164 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13165 (save_dist_v, save_dir_v, add_outer_distances,
13166 build_classic_dist_vector_1): New.
13167 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13168 Don't test for lambda_vector_lexico_pos.
13169 (same_access_functions, add_multivariate_self_dist,
13170 add_other_self_distances, dir_from_dist): New.
13171 (build_classic_dir_vector): Replace implementation almost identical to
13172 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13174 (subscript_dependence_tester_1): New.
13175 (subscript_dependence_tester): Handle the lexicographically negative
13176 distance vectors by recomputing the dependence relation.
13177 (compute_affine_dependence): Remove parameter loop_nest_depth.
13178 (compute_self_dependence): Don't call compute_subscript_distance.
13179 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13180 Add a parameter for the loop_nest.
13181 (find_loop_nest_1, find_loop_nest): New.
13182 (compute_data_dependences_for_loop): Compute the loop nest, and give
13183 up if the nest is not well formed.
13184 * tree-data-ref.h (loop_p): New.
13185 (struct data_dependence_relation): Replace size_vect field with
13186 loop_nest, a vec of loops.
13187 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13188 (DDR_LOOP_NEST): New.
13189 (print_dir_vectors, print_dist_vectors,
13190 debug_data_dependence_relation): Declared.
13191 (index_in_loop_nest): New.
13192 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13193 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13196 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13198 * simplify-rtx.c (simplify_relational_operation): Call
13199 simplify_relational_operation_1 even if mode is VOIDmode.
13201 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13203 PR tree-optimization/26804
13204 * tree.h (DECL_CALL_CLOBBERED): New macro.
13205 (tree_decl_common): Add call_clobbered_flag.
13206 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13207 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13208 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13209 (mark_non_addressable): Ditto.
13210 * tree-ssa.c (verify_call_clobbered): New function.
13211 (verify_alias_info): Use it.
13212 * tree-pass.h (pass_reset_cc_flags): New prototype.
13213 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13214 (reset_cc_flags): New function.
13215 * passes.c (init_optimization_passes): Call reset_cc_flags after
13216 initializing referenced_vars.
13218 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13219 Roger Sayle <roger@eyesopen.com>
13221 PR middle-end/26717
13222 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13223 to 1.0 for non-real operands. Implement A / A optimization for
13226 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13228 * config/i386/i386.c (size_cost): Correct the comment for
13229 cost of storing fp registers.
13230 (i386_cost): Likewise.
13231 (i486_cost): Likewise.
13232 (pentium_cost): Likewise.
13233 (pentiumpro_cost): Likewise.
13234 (k6_cost): Likewise.
13235 (athlon_cost): Likewise.
13236 (k8_cost): Likewise.
13237 (pentium4_cost): Likewise.
13238 (nocona_cost): Likewise.
13239 (generic64_cost): Likewise.
13240 (generic32_cost): Likewise.
13242 2006-03-24 Denis Chertykov <denisc@overta.ru>
13244 * config/avr/avr-protos.h (extra_constraint): Delete.
13245 (extra_constraint_Q): New declaration.
13246 * config/avr/constraints.md: New file.
13247 * config/avr/avr.md: Include it.
13248 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13249 (TMP_REGNO, ZERO_REGNO): Likewise.
13250 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13251 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13252 (extra_constraint): Delete.
13253 (extra_constraint_Q): Test for memory constraint 'Q'.
13254 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13255 (REG_CLASS_FROM_LETTER): Delete.
13256 (CONST_OK_FOR_LETTER_P): Delete.
13257 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13258 (EXTRA_CONSTRAINT): Delete.
13259 (TMP_REGNO): Delete.
13260 (ZERO_REGNO): Delete.
13262 2006-03-24 Jeff Law <law@redhat.com>
13264 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13265 directly. Call mark_new_vars_to_rename slightly earlier.
13267 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13269 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13270 (is_cxx): Likewise.
13271 (gen_compile_unit_die): Use new language types for Objective-C and
13273 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13274 DW_LANG_C_plus_plus.
13277 * config/t-darwin (crt3.o): Work around bug 26840.
13278 * config/darwin-crt3.c: Rewrite.
13279 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13281 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13283 * doc/invoke.texi: Document -femit-class-debug-always
13284 * common.opt: Add -femit-class-debug-always.
13286 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13288 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13289 index and base register.
13290 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13291 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13292 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13293 REGNO_OK_FOR_INDEX_P.
13294 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13296 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13297 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13298 REG_OK_FOR_BASE_P): Definitions removed.
13300 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13302 PR middle-end/26611
13303 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13304 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13305 set yet or weren't marked as local yet.
13307 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13309 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13312 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13314 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13315 (rs6000_legitimate_small_data_p): Delete.
13316 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13317 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13318 and make static. Add forward declaration. Update uses.
13319 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13320 of offsettable_memref_p.
13321 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13322 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13324 2006-03-24 Jeff Law <law@redhat.com>
13326 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13327 around bug in immediate-use iterator.
13329 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13332 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13333 or __LITTLE_ENDIAN__.
13335 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13337 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13338 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13339 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13340 * config/sh/sh.opt (mdiv=): Amend description.
13341 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13342 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13343 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13344 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13345 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13346 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13347 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13348 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13349 TARGET_DIVIDE_CALL_FP.
13351 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13353 * haifa-sched.c (choose_ready): Fix type of the local variable.
13354 Move local variables. Add comment.
13355 (check_reg_live): Change signature. Make callable from debugger.
13356 * sched-int.h (check_reg_live): Update signature.
13357 * sched-ebb.c (check_reg_live): Update parameters.
13358 * sched-rgn.c (check_reg_live): Ditto.
13359 (region_head_or_leaf_p): Check pointer before dereferencing.
13360 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13361 before reload on optimization levels below 1.
13363 2006-03-23 Richard Henderson <rth@redhat.com>
13365 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13369 * config/alpha/predicates.md (local_symbolic_operand): Reject
13372 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13375 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13376 expressions which have overflowed constants.
13378 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13380 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13382 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13384 * cfgloopmanip.c (create_loop_notes): Removed.
13385 * final.c (final_scan_insn): Do not handle loop notes.
13386 * jump.c (squeeze_notes): Ditto.
13387 * cfglayout.c (skip_insns_after_block,
13388 duplicate_insn_chain): Ditto.
13389 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13391 * cfgloop.h (create_loop_notes): Declaration removed.
13393 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13395 * varasm.c (output_constant_pool): Restore fnname and fndecl
13397 (assemble_start_function): Adjust call accordingly.
13398 (assemble_end_function): Likewise.
13400 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13403 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13406 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13408 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13411 * system.h (ICE_EXIT_CODE): New macro.
13412 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13413 (diagnostic_action_after_output): Likewise.
13414 * gcc.c (fatal_ice): New function.
13415 (execute): Use it instead of fatal.
13416 (fancy_abort): Likewise.
13417 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13419 2006-03-22 Jeff Law <law@redhat.com>
13421 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13422 iv_analyze_result returning false.
13424 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13426 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13428 2006-03-22 Richard Henderson <rth@redhat.com>
13430 PR middle-end/26084
13431 * except.c (duplicate_eh_regions_0): New.
13432 (duplicate_eh_region_1): Duplicate the children of the node as
13433 well as the node itself. Link them up properly.
13434 (duplicate_eh_region_2): Merge into ...
13435 (duplicate_eh_regions): ... here. Take copy_region argument, and
13436 copy only a sub-tree if asked. Simplify copying and fixup.
13437 (eh_region_outer_p): New.
13438 * except.h (duplicate_eh_regions): Update decl.
13439 (eh_region_outer_p): Declare.
13440 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13441 (lower_omp_master): Likewise.
13442 (lower_omp_ordered): Likewise.
13443 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13444 (move_stmt_r): Use it to remap labels. Handle recursion vs
13445 remap_decls_p properly.
13446 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13447 (find_outermost_region_in_block): New.
13448 (new_label_mapper): New.
13449 (move_sese_region_to_fn): Copy eh information to the new function
13451 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13453 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13456 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13458 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13459 into shared libraries.
13461 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13463 * doc/md.texi: Refer to i386/constraints.md instead of
13464 i386/predicates.md.
13465 * config/i386/constraints.md: New file, extracted from...
13466 * config/i386/predicates.md: ...here.
13467 * config/i386/i386.md: Include constraints.md.
13469 2006-03-21 Jason Merrill <jason@redhat.com>
13471 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13473 PR middle-end/20297
13474 * expr.c (init_block_move_fn): Force default visibility.
13475 (init_block_clear_fn): Likewise.
13476 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13477 * targhooks.c (default_external_stack_protect_fail): Likewise.
13479 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13481 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13482 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13483 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13484 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13485 (loadgp): Use mips_current_loadgp_style.
13486 (loadgp_noshared): New pattern.
13487 (sibcall_internal): Use MIPS_CALL.
13488 (sibcall_value_internal): Likewise.
13489 (sibcall_value_multiple_internal): Likewise.
13490 (call_internal): Likewise.
13491 (call_value_internal): Likewise.
13492 (call_value_multiple_internal): Likewise.
13493 (call_split): Use MIPS_CALL and add an 'S' constraint.
13494 (call_value_split): Likewise.
13495 (call_value_multiple_split): Likewise.
13496 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13497 (-mshared): New option.
13498 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13499 (mips_current_loadgp_style): Declare.
13500 * config/mips/mips.c (mips_classify_symbol): Avoid using
13501 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13502 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13503 TARGET_ABSOLUTE_ABICALLS.
13504 (override_options): Adjust comments. Improve the warning that is
13505 issued when -mabicalls and -G are used together.
13506 (mips_file_start): Remove comment.
13507 (mips_current_loadgp_style): New function.
13508 (mips_gnu_local_gp): New variable.
13509 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13511 (mips_output_function_prologue): Use mips_current_laodgp_style.
13512 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13513 the cprestore instruction.
13514 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13515 live for TARGET_ABSOLUTE_ABICALLS.
13516 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13517 (ASM_SPEC): Pass down -mshared and -mno-shared.
13518 (MIPS_CALL): New macro.
13519 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13521 * doc/invoke.texi (-mabicalls): Update documentation.
13522 (-mshared): Document.
13524 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13526 * config/ia64/unwind-hpux.c: New file.
13527 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13529 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13532 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13534 2006-03-21 Jeff Law <law@redhat.com>
13536 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13537 type conversions of a VR_VARYING source to a wider type.
13539 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13541 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13542 tm_file on Solaris 10 and later.
13543 (sparc64-*-solaris2*): Likewise.
13544 (sparc-*-solaris2*): Likewise.
13545 * config/sol26.h: Rename to config/sol2-6.h.
13546 * config/sol2-10.h: New file.
13548 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13551 * tree-ssa-pre.c (create_component_ref_by_pieces):
13554 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13557 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13558 return it immediately.
13560 2006-03-21 Michael Matz <matz@suse.de>
13562 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13564 (remove_arc, add_arc): Update num_out_arcs member.
13565 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13567 (cache_presence): New function.
13568 (compare_states_for_equiv): New function.
13569 (state_is_differed): Don't take number of outargs, adjust callers.
13570 Use new invariant for speeding up.
13571 (init_equiv_class): Create initial classes based on sorted
13573 (partition_equiv_class): Don't track out_arcs_num.
13574 (evaluate_equiv_classes): Call cache_presence on all states and
13577 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13579 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13580 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13581 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13582 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13584 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13585 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13586 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13587 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13588 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13590 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13591 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13592 (REGNO_REG_CLASS): ARGP is in PREGS.
13593 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13595 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13596 to deal with those addresses.
13597 * addresses.h: New file.
13598 * caller-save.c: Include "addresses.h".
13599 (init_caller_save): Use new base_reg_class function.
13600 * rtl-factoring.c: Include "addresses.h".
13601 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13602 * recog.c: Include "addresses.h".
13603 (preprocess_constraints): Use new base_reg_class function.
13604 * regrename.c: Include "addresses.h".
13605 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13606 functions. Keep track of a new var INDEX_CODE to compute valid
13608 (replace_oldest_value_addr): Likewise.
13609 (replace_oldest_value_mem): Use base_reg_class.
13610 * reload.c: Include "addresses.h".
13611 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13612 (find_reloads): Use new base_reg_class function.
13613 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13614 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13615 all callers and prototype changed.
13616 * reload1.c: Include "addresses.h".
13617 (maybe_fix_stack_asms): Use base_reg_class.
13618 * regclass.c: Include "addresses.h".
13619 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13620 (init_reg_autoinc): Use new base_reg_class function.
13621 (record_reg_classes): Likewise.
13622 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13623 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13624 Use new args to compute necessary class.
13626 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13627 regrename.o, rtl-factoring.o): Update dependencies.
13628 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13629 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13630 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13631 REG_OK_FOR_INDEX_P): Delete documentation.
13633 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13635 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13636 from V7 to V9 for Solaris 7 and above.
13638 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13640 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13641 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13642 argument pointers may not alias any other storage.
13643 * common.opt: Define option -fargument-noalias-anything.
13644 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13645 alias semantics is specified by flag_argument_noalias > 2.
13647 2006-03-20 Jeff Law <law@redhat.com>
13649 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13650 (pass_phi_only_cprop): Declare.
13651 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13652 with phi_only_cprop
13653 * tree-ssa-dom.c (degenerate_phi_result): New function.
13654 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13655 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13656 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13657 (eliminate_degenerate_phis): Likewise.
13658 (pass_phi_only_cprop): New pass descriptor.
13659 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13660 support code. Callers updated.
13661 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13662 (store_copy_prop): Likewise.
13663 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13665 2006-03-20 Jason Merrill <jason@redhat.com>
13668 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13669 (push_visibility, pop_visibility): Likewise.
13670 * c-pragma.h: Declare them.
13672 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13674 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13676 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13677 parameter and use get_ebb_head_tail.
13678 (sh_md_init_global): Adjust uses of find_regmode_weight.
13680 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13682 * function.h (struct function) <x_tail_recursion_reentry>:
13683 Rename to x_stack_check_probe_note.
13684 (tail_recursion_reentry): Rename to stack_check_probe_note.
13685 * function.c: Replace tail_recursion_reentry with
13686 stack_check_probe_note everywhere.
13687 (expand_function_start): Only emit a note for
13688 stack_check_probe_note with -fstack-protect.
13689 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13691 * emit-rtl.c (remove_unnecessary_notes): Remove.
13692 (pass_remove_unnecessary_notes): Remove.
13693 * rtl.h (remove_unnecessary_notes): Remove prototype.
13694 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13695 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13696 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13698 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13701 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13702 (valid_in_set): Handle ARRAY_REF.
13703 Change "if min_variant or VH" to asserts.
13704 (create_component_ref_by_pieces): Handle ARRAY_REF.
13705 (create_expression_by_pieces): Likewise.
13706 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13708 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13710 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13711 is operand of switch, not str[0].
13713 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13715 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13716 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13718 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13720 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13721 end of insn_extra_address_constraint declaration.
13723 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13725 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13726 (no-sum-in-toc): Same.
13727 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13729 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13730 NO_FP_IN_TOC for -fPIC instead of mask.
13732 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13733 (BOOT_LDFLAGS): Delete.
13735 * config/rs6000/t-aix52: Same.
13737 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13738 (stmsi[345678]_power): New.
13740 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13742 * config/ia64/ia64.opt: Add empty line to end of file.
13744 2006-03-17 Richard Guenther <rguenther@suse.de>
13746 PR middle-end/26721
13747 * builtins.c (get_pointer_alignment): For component style references
13748 adjust alignment to the component type alignment. Make sure
13749 to adjust alignment for component access of constants.
13751 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13753 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13754 unconditional jump.
13756 2006-03-17 Paul Brook <paul@codesourcery.com>
13758 * doc/install.texi: Docuemnt --with-mode.
13759 * config.gcc: Add --with-mode for arm*-*-*.
13760 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13762 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13764 * sh.c (max_labelno_before_reorg): New variable.
13765 (sh_reorg): Initialize it.
13766 (find_barrier): Check max_labelno_before_reorg before using
13767 label_to_alignment. Take length of explicit alignment insns
13768 into account. When seeing a UNSPECV_CONST_END, return it.
13770 * sh.c (fixup_mova): Set mode of affected label to QImode.
13771 (untangle_mova): New function.
13772 (find_barrier): Use it. Check mode of label before decrementing
13774 (sh_reorg): Likewise.
13775 Set mode of all insns back to VOIDmode.
13777 * sh.c (MOVA_LABELREF): New macro.
13778 (mova_p, fixup_mova, sh_reorg): Use it.
13779 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13780 ADDR_DIFF_VEC matches mova.
13782 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13784 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13785 with ATTRIBUTE_UNUSED.
13787 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13789 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13790 pointer, instead of assuming it is possible to derive the
13791 correct args size from a call insn.
13793 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13795 * rtl.h (CONST_INT_P): Define.
13796 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13797 instead of GET_CODE(x) == CONST_INT.
13798 (vax_rtx_costs): Likewise.
13799 (vax_output_int_move): Likewise.
13800 (vax_output_int_add): Likewise.
13801 (legitimate_constant_address_p): Likewise.
13802 (index_term_p): Likewise.
13803 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13804 * config/vax/vax.md (and<mode>3): Likewise.
13805 (ashrsi3): Likewise.
13807 (movstricthi): Likewise.
13808 (movstrictqi): Likewise.
13809 (rotrsi3): Likewise.
13810 (five unnamed insns): Likewise.
13812 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13814 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13815 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13816 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13817 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13818 Pass to ASM_OUTPUT_DWARF_OFFSET.
13819 * dwarf2out.c (debug_frame_section): New.
13820 (output_call_frame_info): Use debug_frame_section. Pass it to
13821 dw2_asm_output_offset.
13822 (output_die): Pass appropriate section to dw2_asm_output_offset.
13823 (output_compilation_unit_header): Likewise.
13824 (output_pubnames): Likewise.
13825 (output_aranges): Likewise.
13826 (enum dw_val_class): Break dw_val_class_lbl_offset into
13827 dw_val_class_lineptr and dw_val_class_macptr.
13828 (add_AT_lbl_offset): Delete.
13829 (add_AT_lineptr): New.
13830 (add_AT_macptr): New.
13831 (AT_lbl): Expect a lineptr or macptr.
13832 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13833 (attr_checksum): Likewise.
13834 (same_dw_val_p): Likewise.
13835 (size_of_die): Likewise.
13836 (value_format): Likewise.
13837 (output_die): Likewise.
13838 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13840 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13841 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13842 * config/darwin-protos.h (darwin_file_start): New.
13843 (darwin_asm_output_dwarf_offset): New.
13844 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13845 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13847 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13848 if not EH section; simplify.
13849 (darwin_file_start): New.
13850 (darwin_asm_output_dwarf_offset): New.
13851 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13853 (DEBUG_INFO_SECTION): Likewise.
13854 (DEBUG_ABBREV_SECTION): Likewise.
13855 (DEBUG_ARANGES_SECTION): Likewise.
13856 (DEBUG_MACINFO_SECTION): Likewise.
13857 (DEBUG_LINE_SECTION): Likewise.
13858 (DEBUG_LOC_SECTION): Likewise.
13859 (DEBUG_PUBNAMES_SECTION): Likewise.
13860 (DEBUG_STR_SECTION): Likewise.
13861 (DEBUG_RANGES_SECTION): Likewise.
13862 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13863 (ASM_OUTPUT_DWARF_OFFSET): New.
13865 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13867 * config.gcc (tm_defines): Always add to previous value rather
13870 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13872 * config/mips/predicates.md (splittable_const_int_operand): New,
13873 split from move_operand.
13874 (splittable_symbolic_operand): New.
13875 (move_operand): Add commentary. Use splittable_const_int_operand.
13876 Inline mips_atomic_symbolic_constant_p.
13877 * config/mips/mips.md: Add combine splitters for handling moves
13878 of splittable_const_int_operands and splittable_symbolic_operands.
13879 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13880 (mips_split_symbol): Declare.
13881 (mips_move_integer): Declare.
13882 * config/mips/mips.c (mips_split_p): Make global.
13883 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13884 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13885 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13886 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13887 (mips_offset_within_object_p): Handle block symbols.
13888 (mips_atomic_symbolic_constant_p): Delete.
13889 (mips_cannot_force_const_mem): Return false for constants that
13890 mips_legitimize_move can handle.
13891 (mips_use_blocks_for_constant_p): New function.
13892 (mips_split_symbol): Make global.
13893 (mips_move_integer): Likewise. Add a temporary register argument.
13894 (mips_legitimize_const_move): Use splittable_const_int_operand and
13895 splittable_symbolic_operand.
13896 (mips_use_anchors_for_symbol_p): New function.
13897 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13898 (mips_split_p): Declare.
13900 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13902 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13903 (mips*-*-linux*): Likewise.
13905 2006-03-16 Roger Sayle <roger@eyesopen.com>
13906 Daniel Speyer <dspeyer@wam.umd.edu>
13908 PR middle-end/18259
13909 * tree-dump.c (dump_real): New function.
13910 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13911 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13912 (tree-dump.o): Add $(REAL_H) to the dependencies.
13914 2006-03-16 Roger Sayle <roger@eyesopen.com>
13916 PR middle-end/21781
13917 * real.c (real_from_string): If the mantissa is zero, don't bother
13918 parsing the exponent as the result should always be zero.
13920 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13922 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13924 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13926 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13927 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13928 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13929 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13930 ia64_sched_finish_global): New static functions to implement
13931 hooks from gcc_target.sched.
13932 (spec_check_no, max_uid, pending_data_specs): New static variables.
13933 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13934 ia64_spec_check_src_p): New static functions.
13935 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13936 (TARGET_SCHED_ADJUST_COST): Removed.
13937 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13938 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13939 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13940 TARGET_SCHED_GEN_CHECK,
13941 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13942 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13943 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13944 Fixed to handle speculation checks.
13945 (rtx_needs_barrier): Fixed to handle speculative loads and
13947 (ia64_variable_issue): Added code to count speculative loads and their
13949 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13951 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13953 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13955 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13956 (ia64_reorg): Reset stops_p to NULL after it is freed.
13957 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13958 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13959 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13961 (data_speculative, control_speculative, check_load): New attributes.
13962 (mov<mode>_advanced, mov<mode>_speculative,
13963 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13964 zero_extend<mode>di2_speculative,
13965 zero_extend<mode>di2_speculative_advanced): New patterns for
13966 data and control speculative loads.
13967 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13969 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13970 New pattern for data and control speculation checks.
13971 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13972 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13973 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13974 Auxiliary definitions for the patterns.
13975 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13976 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13978 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13980 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13981 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13982 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13983 New resource constraints.
13984 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13986 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13987 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13988 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13989 msched-in-control-spec, msched-ldc, msched-control-ldc,
13990 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13991 msched-prefer-non-control-spec-insns,
13992 msched-count-spec-in-critical-path): New flags to tune speculative
13994 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13995 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13996 msched-in-control-spec, msched-ldc, msched-control-ldc,
13997 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13998 msched-prefer-non-control-spec-insns,
13999 msched-count-spec-in-critical-path): Document new flags.
14001 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14003 * target.h (struct spec_info_def): New opaque declaration.
14004 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14005 speculate_insn, needs_block_p, gen_check,
14006 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14007 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14008 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14009 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14010 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14011 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14013 (TARGET_SCHED): Use new macros.
14014 * rtl.h (copy_DEPS_LIST_list): New prototype.
14015 * sched-int.h (struct sched_info): Change signature of new_ready field,
14016 adjust all initializations. New fields: add_remove_insn,
14017 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14018 region_head_or_leaf_p.
14019 (struct spec_info_def): New structure declaration.
14020 (spec_info_t): New typedef.
14021 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14022 recovery_block, orig_pat.
14023 (glat_start, glat_end): New variables declaraions.
14024 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14026 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14027 DETACH_LIFE_INFO, USE_GLAT.
14028 (enum SPEC_SCHED_FLAGS): New enumeration.
14029 (NOTE_NOTE_BB_P): New macro.
14030 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14031 attach_life_info, debug_spec_status, check_reg_live): New functions.
14032 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14033 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14035 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14036 * ddg.c (get_block_head_tail): Adjust all uses.
14037 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14038 (sms_sched_info): Initialize new fields.
14039 (contributes_to_priority): Removed.
14040 * haifa-sched.c (params.h): New include.
14041 (get_block_head_tail): Adjust all uses.
14042 (ISSUE_POINTS): New macro.
14043 (glat_start, glat_end): New global variables.
14044 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14045 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14046 old_last_basic_block, before_recovery, current_sched_info_var,
14047 rgn_n_insns, luid): New static variables.
14048 (insn_cost1): New function. Move logic from insn_cost to here.
14049 (find_insn_reg_weight1): New function. Move logic from
14050 find_insn_reg_weight to here.
14051 (reemit_notes, move_insn, max_issue): Change signature.
14052 (move_insn1): Removed.
14053 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14054 extend_bb): New static functions to support extension of scheduler's
14056 (generate_recovery_code, process_insn_depend_be_in_spec,
14057 begin_speculative_block, add_to_speculative_block,
14058 init_before_recovery, create_recovery_block, create_check_block_twin,
14059 fix_recovery_deps): New static functions to support
14060 generation of recovery code.
14061 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14062 restore_bb_notes, move_block_after_check, move_succs): New static
14063 functions to support ebb scheduling.
14064 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14065 functions to support handling of register live information.
14066 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14067 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14068 add_jump_dependencies): New static functions.
14069 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14070 consistancy checking.
14071 (debug_spec_status): New function to call from debugger.
14072 (priority): Added code to handle speculation checks.
14073 (rank_for_schedule): Added code to distinguish speculative instructions.
14074 (schedule_insn): Added code to handle speculation checks.
14075 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14076 Fixed to handle ebbs.
14077 (move_insn): Added code to handle ebb scheduling.
14078 (max_issue): Added code to use ISSUE_POINTS of instructions.
14079 (choose_ready): Added code to choose between speculative and
14080 non-speculative instructions.
14081 (schedule_block): Added code to handle ebb scheduling and scheduling of
14082 speculative instructions.
14083 (sched_init): Initialize new variables.
14084 (sched_finish): Free new variables. Print statistics.
14085 (try_ready): Added code to handle speculative instructions.
14086 * lists.c (copy_DEPS_LIST_list): New function.
14087 * sched-deps.c (extend_dependency_caches): New function. Move logic
14088 from create_dependency_caches to here.
14089 (get_dep_weak, ds_merge): Make global.
14090 * genattr.c (main): Code to output prototype for
14091 dfa_clear_single_insn_cache.
14092 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14093 (output_dfa_clean_insn_cache_func): Code to output
14094 dfa_clear_single_insn_cache function.
14095 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14097 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14099 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14100 New static variables.
14101 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14102 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14104 (ebb_sched_info): Initialize new fields.
14105 (get_block_head_tail): Adjust all uses.
14106 (compute_jump_reg_dependencies): Fixed to use glat_start.
14107 (schedule_ebb): Code to remove unreachable last block.
14108 (schedule_ebbs): Added code to update register live information.
14109 * sched-rgn.c (region_sched_info): Initialize new fields.
14110 (get_block_head_tail): Adjust all uses.
14111 (last_was_jump): Removed. Adjust users.
14112 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14113 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14114 Implement new hooks.
14115 (check_dead_notes1): New static function.
14116 (struct region): New fields: dont_calc_deps, has_real_ebb.
14117 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14118 (BB_TO_BLOCK): Fixed to handle EBBs.
14119 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14120 (ebb_head): New static variable.
14121 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14122 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14124 (compute_dom_prob_ps): New assertion.
14125 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14126 global_live_at_start.
14127 (init_ready_list): New assertions.
14128 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14129 (new_ready): Add support for BEGIN_CONTROL speculation.
14130 (schedule_insns): Fixed code that updates register live information
14132 (schedule_region): Fixed to handle EBBs.
14133 (init_regions): Use extend_regions and check_dead_notes1.
14134 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14135 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14136 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14137 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14138 TARGET_SCHED_GEN_CHECK,
14139 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14140 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14141 * doc/invoke.texi (max-sched-insn-conflict-delay,
14142 sched-spec-prob-cutoff): Document.
14144 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14146 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14147 inter_tick, queue_index.
14148 (struct sched_info): Change signature of init_ready_list field.
14149 Adjust all initializations.
14150 (RESOLVED_DEPS): New access macro.
14151 (ready_add): Remove prototype.
14152 (try_ready): Add prototype.
14153 * sched-rgn.c (init_ready_list): Use try_ready.
14154 (schedule_region): Initialize
14155 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14156 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14157 (init_ready_list): Use try_ready.
14158 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14159 * lists.c (remove_list_elem): Remove `static'.
14160 (remove_free_INSN_LIST_elem): New function.
14161 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14162 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14163 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14165 (readyp): New variable.
14166 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14167 change_queue_index, resolve_dep): New static functions.
14168 (try_ready): New function. Adjust callers in sched-rgn.c and
14169 sched-ebb.c to use it instead of ready_add.
14170 (clock_var): Move at the begining of file.
14171 (rank_for_schedule): Fix typo.
14172 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14173 (ready_lastpos): Enforce assertion.
14174 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14175 update all callers.
14176 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14177 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14178 (queue_to_ready): Use free_INSN_LIST_list.
14179 (early_queue_to_ready): Fix typo.
14180 (schedule_block): Init readyp. Move init_ready_list call after the
14181 initialization of clock_var. Fix error in rejecting insn by
14182 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14183 that previously corrected INSN_TICKs. Add code for handling
14185 (set_priorities): Fix typo.
14186 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14187 Clarify comment and code that keeps current_sched_info->next_tail
14190 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14192 * sched-rgn.c (extend_rgns): New static function.
14193 (find_rgns): Use it.
14194 (gather_region_statistics, print_region_statistics): New static
14196 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14197 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14199 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14200 Andrey Belevantsev <abel@ispras.ru>
14202 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14203 * lists.c (unused_deps_list): New variable.
14204 (free_list): Add assertions to verify the proper distinguishing
14205 between INSN_LISTs and DEPS_LISTs.
14206 (find_list_elem, remove_list_elem, remove_list_node): New static
14208 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14209 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14210 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14211 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14213 (free_INSN_LIST_node): Likewise.
14214 * modulo-sched.c (current_sched_info): Initialize flags field.
14215 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14216 * rtl.def (DEPS_LIST): Define.
14217 * rtl.h: Declare new functions from lists.c.
14218 * sched-deps.c (spec_dependency_cache): New static variable.
14219 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14220 (add_dependence): Change return type to void. Move the logic to ...
14221 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14222 (delete_all_dependences): Add comment about forward_dependency_cache.
14223 Handle spec_dependency_cache. Handle DEPS_LISTs.
14224 (fixup_sched_groups): Clarify the change of priority of output
14225 and anti dependencies.
14226 (sched_analyze_2): Adjust add_dependence calls to create data
14227 speculative dependence.
14228 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14229 Adjust all callers. Handle DEPS_LISTS.
14230 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14231 presence of speculation.
14232 (init_dependency_caches, free_dependency_caches):
14233 Handle spec_dependency_cache.
14234 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14235 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14236 New static functions.
14237 (add_or_update_back_dep, add_or_update_back_forw_dep,
14238 add_back_forw_dep, delete_back_forw_dep): New functions.
14239 * sched-int.h (ds_t, dw_t): New typedefs.
14240 (struct sched_info): Add new field flags.
14241 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14242 Prototype new sched-deps.c functions.
14243 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14244 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14245 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14246 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14247 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14248 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14250 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14252 * sched-rgn.c (current_sched_info): Initialize flags field.
14253 (schedule_insns): Initialize current_sched_info before the sched_init
14255 * sched-ebb.c (current_sched_info): Initialize flags field.
14256 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14257 Call add_or_update_back_dep instead of add_dependence.
14258 Create control speculative dependencies.
14259 (schedule_insns): Initialize current_sched_info before the sched_init
14262 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14264 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14266 (sh_fallback_frame_state): Likewise.
14268 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14270 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14271 Do switch on default_use_cxa_atexit.
14272 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14273 * config/darwin-crt3.o: New.
14274 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14275 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14276 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14278 * config/rs6000/t-darwin: Move crt2.o building to here.
14279 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14280 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14283 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14285 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14286 from '! xxx' to '!xxx' for coding-style conformance.
14287 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14288 (EXTRA_CONSTRAINT): Likewise.
14289 * config/vax/vax.md (four unnamed insns): Likewise.
14291 2006-03-15 Paul Brook <paul@codesourcery.com>
14293 * config/arm/arm.c (minipool_pad): New.
14294 (add_minipool_forward_ref): Include pool alignment padding in address
14296 (push_minipool_fix): Set minipool_pad.
14297 (minipool_pad): Ditto.
14299 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14301 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14302 instead of GET_CODE() == MEM and REG_P() instead of
14304 (print_operand_address): Likewise.
14305 (vax_address_cost): Likewise.
14306 (vax_rtx_costs): Likewise.
14307 (vax_notice_update_cc): Likewise.
14308 (vax_output_int_add): Likewise.
14309 (INDEX_REGISTER_P): Likewise.
14310 (BASE_REGISTER_P): Likewise.
14311 (nonindexed_address_p): Likewise.
14312 (vax_mode_dependent_address_p): Likewise.
14313 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14314 (PRINT_OPERAND): Likewise.
14315 * config/vax/vax.md (ashlsi3): Likewise.
14316 (ashlsi3): Likewise.
14317 (some more unnamed insns): Likewise.
14319 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14321 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14322 iterator-style macro.
14323 (mark_control_dependent_edges_necessary): Update the use of
14324 EXECUTE_IF_CONTROL_DEPENDENT.
14326 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14328 * config/sh/predicates.md (cache_address_operand): Special.
14329 (ua_address_operand): Likewise.
14331 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14333 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14335 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14337 2006-03-15 Andreas Schwab <schwab@suse.de>
14339 * gensupport.c (identify_predicable_attribute): Don't free p_false
14340 when it is still in use.
14342 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14344 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14345 the default setting here.
14347 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14349 * tree-pass.h (pass_cfg): Remove.
14350 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14351 * passes.c (pass_cfg): Don't run it.
14353 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14355 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14356 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14358 (stack_regs_mentioned): Update the uses of
14359 stack_regs_mentioned_data. Don't access the array beyond its
14361 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14362 Don't include gt-reg-stack.h.
14364 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14365 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14367 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14369 PR middle-end/26684
14370 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14373 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14375 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14377 2006-03-14 Richard Guenther <rguenther@suse.de>
14379 PR tree-optimization/26672
14380 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14383 2006-03-14 Richard Guenther <rguenther@suse.de>
14385 PR tree-optimization/26667
14386 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14387 node for the callees. Always allow inlining if it will shrink
14390 2006-03-14 Richard Guenther <rguenther@suse.de>
14392 PR middle-end/26659
14393 * builtins.c (get_pointer_alignment): Prefer alignment
14394 information from decls over that from types.
14396 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14399 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14401 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14403 * config/rs6000/rs6000.opt (mdlmzb): New option.
14404 (msched-prolog, msched-epilog): Use Var not Mask.
14405 * doc/invoke.texi (-mdlmzb): Document.
14406 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14408 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14409 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14411 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14413 PR rtl-optimization/25739
14414 * bt-load.c (augment_live_range): Free tos pointer.
14416 * gensupport.c (identify_predicable_attribute): Free
14418 * gcov.c (create_file_names): Free name pointer.
14420 2006-03-13 Roger Sayle <roger@eyesopen.com>
14422 PR middle-end/26557
14423 * stmt.c (emit_case_nodes): Handle the case where the index is a
14424 CONST_INT, where the comparison mode is specified by the index type.
14426 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14428 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14431 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14433 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14434 (*branch_fp_inverted): Likewise.
14436 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14438 PR middle-end/25989
14439 * omp-low.c (expand_omp_for_generic): Mark istart0
14440 and iend0 as addressable.
14442 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14444 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14446 2006-03-13 Jeff Law <law@redhat.com>
14448 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14449 virtual operands are interesting.
14450 (vrp_visit_stmt): Corresponding changes.
14452 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14454 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14456 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14457 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14458 * config/bfin/crti.S: Use it instead of __PIC__.
14459 * config/bfin/crtn.S: Likewise.
14461 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14462 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14464 Lose 'G' modifier for call operand.
14465 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14466 recognize 'G' modifier.
14468 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14470 PR middle-end/18859
14471 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14472 * stmt.c (expand_case): Likewise.
14474 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14476 PR rtl-optimization/26254
14477 * loop-invariant.c (seq_insns_valid_p): New function.
14478 (move_invariant_reg): Only emit new code if it is valid.
14480 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14482 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14484 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14485 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14486 (commit_one_edge_insertion): Do not look for loop notes.
14488 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14490 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14491 flag_test_coverage out of loop.
14493 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14495 * final.c (shorten_branches): Remove outdated comment, and turn
14496 the if branch that guards it to continue.
14498 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14500 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14501 * cfgloop.h (struct loop): Remove unused fields.
14503 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14505 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14506 (-dL, -fdump-rtl-loop2): Update the dump file names
14508 * doc/invoke.texi: Update dump file names.
14510 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14512 * predict.c (estimate_probability): Remove.
14513 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14514 * basic-block.h (estimate_probability): Remove prototype.
14515 * passes.c (finish_optimization_passes): Dump branch prediction or
14516 profiling heuristics to the .profile tree dump.
14517 (init_optimization_passes): Unqueue pass_branch_prob.
14519 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14521 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14523 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14524 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14526 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14528 * function.h (frame_offset_overflow): Declare.
14529 * function.c (frame_offset_overflow): New function.
14530 (assign_stack_local_1): Call it to detect that the offset overflows.
14531 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14533 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14535 * config/sh/sh.c: Include alloc-pool.h.
14536 (label_ref_list_pool): New alloc pool.
14537 (label_ref_list_t): New type for lists of labels.
14538 (struct pool_node): Make wend a label_ref_list_t.
14539 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14541 (dump_table): Likewise.
14542 (sh_reorg): Set up the alloc pool before using add_constant and
14543 dump_table, and destroy it when finishing.
14545 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14547 * config/mips/mips.c: Remove redundant comment.
14549 2006-03-10 Jason Merrill <jason@redhat.com>
14552 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14553 the target was declared 'register'.
14555 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14557 * genpreds.c (write_insn_constraint_len): Change definition of
14558 insn_constraint_len to return size_t to match the declaration.
14560 2006-03-10 DJ Delorie <dj@redhat.com>
14562 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14564 (m32c_expand_insv): Fix test for an AND mask.
14566 2006-03-10 Richard Guenther <rguenther@suse.de>
14568 PR middle-end/26565
14569 * builtins.c (get_pointer_alignment): Handle component
14570 references for field alignment.
14572 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14574 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14575 when building with libgloss.
14576 (sh*elf): Implement --without-fp option.
14577 (sh64-superh-linux*): Don't multilib.
14579 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14581 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14583 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14585 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14586 Set it when one of the replacement functions returned true.
14587 Return TODO_cleanup_cfg if cfgchanged is true.
14588 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14590 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14592 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14593 instead of gen_lowpart.
14595 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14597 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14599 (mips_output_order_conditional_branch): Declare.
14600 * config/mips/mips.h (MIPS_BRANCH): New macro.
14601 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14602 for the comparison. Use gen_condjump.
14603 (mips_output_conditional_branch): Rework interface to take the
14604 asm templates for a direct branch and the inverse of a direct branch.
14605 (mips_output_order_conditional_branch): New function.
14606 (mips_builtin_branch_and_move): New function.
14607 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14608 branch condition. Use gen_single_cc as the condition for
14609 __builtin_mips_upper_* or __builtin_mips_lower_*.
14610 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14611 Use VOIDmode for the branch condition.
14612 * config/mips/predicates.md (order_operator): New predicate.
14613 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14614 (branch_fp): Rename to...
14615 (*branch_fp): ...this. Remove mode from comparison operator.
14616 Use new mips_output_conditional_branch interface.
14617 (branch_fp_inverted): Rename to...
14618 (*branch_fp_inverted): ...this and update as for *branch_fp.
14619 (*branch_zero<mode>): Rename to...
14620 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14621 Use mips_output_order_conditional_branch. Only accept ordered
14623 (*branch_zero<mode>_inverted): Rename to...
14624 (*branch_order<mode>_inverted): ...this and update as for
14625 *branch_order<mode>.
14626 (*branch_equality<mode>): Accept zero as the second operand to
14627 the equality operator. Use the new mips_output_conditional_branch
14629 (*branch_equality<mode>_inverted): Likewise.
14630 (condjump): New expander.
14631 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14633 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14634 (bc1any2t, bc1any2f): Likewise.
14635 (single_cc): New expander.
14636 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14638 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14640 * doc/md.texi: Update documentation of MIPS constraints.
14641 * config/mips/constraints.md: New file.
14642 * config/mips/mips.md: Include it.
14643 * config/mips/mips.c (mips_char_to_class): Delete.
14644 (override_options): Don't initialize mips_char_to_class.
14645 * config/mips/mips.h (mips_char_to_class): Delete.
14646 (REG_CLASS_FROM_LETTER): Delete.
14647 (CONST_OK_FOR_LETTER_P): Delete.
14648 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14649 (EXTRA_CONSTRAINT_Y): Delete.
14650 (EXTRA_CONSTRAINT_STR): Delete.
14651 (CONSTRAINT_LEN): Delete.
14652 (EXTRA_MEMORY_CONSTRAINT): Delete.
14654 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14656 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14657 original fn's eh regions.
14659 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14661 * fold-const.c (build_range_check): Make sure to use a valid type to
14662 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14665 (range_predecessor): New static function.
14666 (range_successor): Likewise.
14667 (merge_ranges): Use them to compute predecessors and successors of
14670 2006-03-09 Roger Sayle <roger@eyesopen.com>
14672 PR middle-end/26561
14673 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14674 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14676 2006-03-08 DJ Delorie <dj@redhat.com>
14678 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14679 (addpsi3): Expand to include memory operands. Remove
14680 reload-specific splits.
14681 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14682 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14683 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14684 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14685 (shift1_qi, shift1_hi, insv): New.
14686 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14687 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14688 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14690 * config/m32c/m32c-protos.h: Update as needed.
14691 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14692 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14693 Fail for unrecognized R* constraints.
14694 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14695 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14696 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14698 (m32c_init_libfuncs): New.
14699 (m32c_legitimate_address_p): Add debug wrapper.
14700 (m32c_rtx_costs): New.
14701 (m32c_address_cost): New.
14702 (conversions): Add 'B' prefix.
14703 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14704 operands, or word regnames for QI operands. 'B' prints bit
14706 (m32c_expand_setmemhi): New.
14707 (m32c_expand_movmemhi): New.
14708 (m32c_expand_movstr): New.
14709 (m32c_expand_cmpstr): New.
14710 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14711 (m32c_expand_neg_mulpsi3): Handle non-ints.
14712 (m32c_cmp_flg_0): New.
14713 (m32c_expand_movcc): New.
14714 (m32c_expand_insv): New.
14715 (m32c_scc_pattern): New.
14716 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14717 a0/a1 out of SIregs.
14718 (STORE_FLAG_VALUE): New.
14719 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14722 * config/m32c/mov.md: Make constraints more liberal.
14723 (zero_extendqihi2): Optimize r0/r1 case.
14724 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14725 * config/m32c/predicates.md (m32c_any_operand): New.
14726 (m32c_nonimmediate_operand): New.
14727 (m32c_hl_operand): New.
14728 (m32c_r3_operand): New.
14731 (memsym_operand): New.
14732 (memimmed_operand): New.
14733 (a_qi_operand): New.
14734 (m32c_eqne_operator): New.
14735 (m32c_1bit8_operand): New.
14736 (m32c_1bit16_operand): New.
14737 (m32c_1mask8_operand): New.
14738 (m32c_1mask16_operand): New.
14739 * config/m32c/blkmov.md: New file.
14740 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14742 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14744 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14745 unsigned to fix signed/unsigned comparison issue in
14746 DWARF2_FRAME_REG_OUT.
14747 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14748 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14750 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14751 of ptr into the ENABLE_CHECKING section.
14753 2006-03-08 Jeff Law <law@redhat.com>
14755 * tree-vrp.c (infer_value_range): Only count pointer uses
14756 and dereferences if -fdelete-null-pointer-checks is enabled.
14758 * tree-vrp.c (find_assert_locations): Infer value ranges for
14759 single use pointers, but do not create ASSERT_EXPRs for them.
14760 When a non-null range is inferred for a pointer, backwards
14761 propagate that range to other equivalent pointers through the
14764 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14767 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14768 language hook targets.
14769 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14770 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14771 if language hook targets were missing.
14773 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14775 * tree-ssa-opfinalize.h: Removed.
14776 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14778 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14779 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14780 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14781 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14782 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14783 finalize_ssa_v_must_def_ops): New.
14785 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14787 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14788 block as parameter.
14790 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14792 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14794 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14795 addresses with offsets; reorganize.
14797 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14798 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14799 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14801 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14804 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14806 2006-03-08 Ben Elliston <bje@au.ibm.com>
14808 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14810 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14813 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14816 2006-03-07 Richard Guenther <rguenther@suse.de>
14818 PR tree-optimization/26587
14819 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14821 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14823 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14825 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14827 * hooks.c (hook_bool_mode_rtx_true): New function.
14828 * hooks.h (hook_bool_mode_rtx_true): Declare.
14829 * toplev.c (compile_file): Call output_shared_constant_pool.
14830 * varasm.c (shared_constant_pool): New variable.
14831 (assemble_start_function, assemble_end_function): Remove arguments
14832 from call to output_constant_pool.
14833 (create_constant_pool): New function, split out from...
14834 (init_varasm_status): ...here.
14835 (force_const_mem): Choose between the shared and per-function constant
14836 pools. Set current_function_uses_const_pool when reusing old entries
14837 as well as when creating new ones.
14838 (mark_constant): Ignore data argument.
14839 (mark_constants): Remove pool argument.
14840 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14841 to decide whether the function uses a constant pool.
14842 (output_constant_pool_contents): New function, split out from...
14843 (output_constant_pool): ...here.
14844 (output_shared_constant_pool): New function.
14845 (init_varasm_once): Initialize shared_constant_pool.
14846 * output.h (output_constant_pool): Delete.
14847 (output_shared_constant_pool): Declare.
14848 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14849 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14851 2006-03-06 Nick Clifton <nickc@redhat.com>
14853 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14854 flag_strength_reduce.
14856 2006-03-06 Ben Elliston <bje@au.ibm.com>
14858 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14859 x86_64-*-linux* configurations.
14861 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14862 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14864 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14866 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14868 * basic-block.h: Remove the extern for
14869 rediscover_loops_after_threading.
14871 * cfgloop.c (cancel_loop): Make it static.
14872 * cfgloop.h: Remove the prototype for cancel_loop.
14874 * flow.c (recompute_reg_usage): Make it static.
14875 * rtl.h: Remove the prototype for recompute_reg_usage.
14877 * function.c (use_return_register): Make it static.
14878 * function.h: Remove the prototype.
14880 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14882 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14884 * recog.h: Remove the prototype for
14885 validate_change_maybe_volatile.
14887 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14889 * rtlanal.c (replace_reg): Remove.
14890 * rtl.h: Remove the prototype for replace_reg.
14892 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14894 * regclass.c (reg_scan_update): Remove.
14895 (reg_scan_mark_refs): Remove the last argument.
14896 * rtl.h: Remove the prototype for reg_scan_update.
14898 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14900 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14901 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14902 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14903 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14904 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14905 loop-invariant.c, omp-low.c, opts.c, passes.c,
14906 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14907 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14908 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14909 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14910 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14911 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14913 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14915 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14916 * dwarf2out.h: Remove the prototype for
14917 dwarf2out_add_library_unit_info.
14919 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14921 * tree.c (add_var_to_bind_expr): Remove.
14922 * tree.h: Remove the prototype for add_var_to_bind_expr.
14924 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14926 * regclass.c (n_non_fixed_regs): Remove.
14927 (init_reg_sets_1, globalize_reg): Remove all uses of
14929 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14931 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14933 * rtlanal.c (insns_safe_to_move_p): Remove.
14934 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14936 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14938 * expmed.c (expand_mult_add): Remove.
14939 * expr.h: Remove the prototype for expand_mult_add.
14941 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14943 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14944 and REG_SAVED_VAL_EXP constants.
14945 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14946 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14947 Handle regs stored by value.
14948 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14949 (execute_cfa_program): Handle DW_CFA_val_offset,
14950 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14951 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14952 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14953 (uw_install_context_1): Handle target regs stored by value.
14955 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14957 * tree-sra.c (tree_sra): Return todoflags;
14958 (generate_one_element): Set TODO_update_smt_usage if needed.
14959 (pass_sra): Remove TODO_update_smt_usage.
14960 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14962 (tree_ssa_forward_propagate_single_use_vars): Return
14963 TODO_update_smt_usage if we need to update SMT usage.
14964 (pass_forwprop): Remove TODO_update_smt_usage.
14966 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14968 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14969 (correct_use_link): Remove reference to get_stmt_operands.
14970 (update_stmt_operands): Likewise.
14971 (get_modify_expr_operands): New function factored out of
14972 parse_ssa_operands and get_expr_operands.
14973 Try to create V_MUST_DEFs for LHS by default.
14974 (get_expr_operands) <case MODIFY_EXPR>: Call
14975 get_modify_expr_operands.
14976 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14977 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14978 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14979 get_modify_expr_operands.
14981 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14983 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14984 * tree-flow.h: Remove the prototype for
14985 referenced_var_lookup_if_exists.
14987 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14989 PR rtl-optimization/26345
14991 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14993 2006-03-03 Roger Sayle <roger@eyesopen.com>
14995 PR tree-optimization/26524
14996 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14997 fold_convert to create a constant of the appropriate type.
14999 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15001 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15002 SYMBOL_REF_IN_BLOCK_P.
15003 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15004 of SYMBOL_FLAG_IN_BLOCK.
15005 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15006 instead of SYMBOL_REF_IN_BLOCK_P.
15007 * explow.c (use_anchored_address): Likewise.
15008 * rtl.c (rtx_size): Likewise.
15009 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15010 instead of SYMBOL_FLAG_IN_BLOCK.
15011 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15012 SYMBOL_REF_IN_BLOCK_P.
15013 (assemble_variable): Likewise.
15014 (output_constant_def_contents): Likewise.
15015 (output_constant_pool): Likewise.
15016 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15017 instead of SYMBOL_FLAG_IN_BLOCK.
15018 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15019 SYMBOL_REF_IN_BLOCK_P.
15020 (SYMBOL_REF_BLOCK): Likewise.
15021 (SYMBOL_REF_OFFSET): Likewise.
15022 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15023 SYMBOL_REF_IN_BLOCK_P.
15024 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15025 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15026 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15027 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15029 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15031 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15033 2006-03-02 Roger Sayle <roger@eyesopen.com>
15035 * simplify-rtx.c (simplify_unary_operation): When simplifying
15036 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15037 that we perform the right shift in the appropriate mode, and
15038 then extend or truncate the result to requested mode.
15040 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15042 * gengtype.c (main): Handle double_int type.
15043 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15044 * double-int.c: New file.
15045 * double-int.h: New file.
15046 * system.h: Include doubleint.h.
15047 * Makefile.in (SYSTEM_H): Include double-int.h.
15048 (double-int.o): Add.
15050 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15053 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15056 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15058 * tree-vrp.c (remove_range_assertions): Do not update statements
15061 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15063 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15065 * gcse.c (rest_of_handle_gcse): Ditto.
15066 * except.c (gate_handle_eh): Ditto.
15067 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15068 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15070 2006-03-02 Eric Christopher <echristo@apple.com>
15072 * config/i386/i386.c (machopic_output_stub): Add indirection to
15075 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15079 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15081 Sun Niagara specific optimizations.
15082 * config.gcc: Recognize niagara as target.
15083 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15084 (TARGET_CPU_niagara): Define.
15085 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15086 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15087 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15088 (ASM_CPU_SPEC): Likewise.
15089 (PROCESSOR_NIAGARA): New enum entry.
15090 (REGISTER_MOVE_COST): Handle Niagara.
15091 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15092 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15093 (sparc_override_options): Recognize "niagara", set appropriate
15094 default MASK_* values for it, and align functions to 32-bytes
15095 by default just like ULTRASPARC/ULTRASPARC3.
15096 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15097 (sparc64_initialize_trampoline): Likewise.
15098 (sparc_use_sched_lookahead): Use zero for niagara.
15099 (sparc_issue_rate): Use one for niagara.
15100 * config/sparc/niagara.md: New file.
15101 * config/sparc/sparc.md: Include it.
15102 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15103 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15104 when default cpu is niagara.
15105 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15106 (ASM_CPU_SPEC): Likewise.
15107 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15108 when default cpu is niagara.
15109 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15110 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15111 just like v9/ultrasparc/ultrasparc3.
15112 * doc/invoke.texi: Add documentation for "niagara" and improve
15113 existing documentation for ultrasparc variants.
15115 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15117 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15119 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15121 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15122 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15123 and say that only one is needed.
15124 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15125 * target.h (have_switchable_bss_sections): New hook.
15126 * explow.c (use_anchored_address): Check that the symbol is in a block.
15127 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15128 (bss_noswitch_section): New variables.
15129 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15130 (get_noswitch_section): New function.
15131 (get_block_for_section): Allow SECT to be null.
15132 (unlikely_text_section_p): Use SECTION_STYLE.
15133 (bss_initializer_p): New function.
15134 (get_variable_section): Move earlier in file. Take a new argument,
15135 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15136 Return one of the new *_sections in such cases.
15137 (get_block_for_decl): New function, extracting some logic from
15138 use_blocks_for_decl_p.
15139 (change_symbol_section): Remove in favor of...
15140 (change_symbol_block): ...this new function.
15141 (use_blocks_for_decl_p): Remove checks now performed by
15142 get_block_for_decl.
15143 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15144 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15145 (emit_local, emit_bss, emit_common): ...these new functions.
15146 Return true if the alignment was honored.
15147 (emit_tls_common): New function.
15148 (asm_emit_uninitialised): Delete.
15149 (assemble_variable_noswitch): New function, split out from...
15150 (assemble_variable): ...here. Don't make decisions about common
15151 variables here. Globalize all public decls that go into non-common
15152 sections. Check whether SYMBOL_REF_BLOCK is null.
15153 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15154 (output_constant_pool): Likewise.
15155 (init_varasm_once): Initialize the new section variables.
15156 (have_global_bss_p): New function.
15157 (categorize_decl_for_section): Use bss_initializer_p.
15158 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15159 (place_block_symbol): Assert that the symbol must be in a block.
15160 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15161 (TARGET_INITIALIZER): Include it.
15162 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15163 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15164 (SECTION_MACH_DEP): Bump by two.
15165 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15166 (unnamed_section): Mention SECTION_UNNAMED in comment.
15167 (named_section): Likewise SECTION_NAMED.
15168 (noswitch_section_callback): New type.
15169 (noswitch_section): New structure.
15170 (section): Add a noswitch_section alternative.
15171 (SECTION_STYLE): New macro.
15172 (tls_comm_section, comm_section, lcomm_section): Declare.
15173 (bss_noswitch_section, have_global_bss_p): Declare.
15174 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15175 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15177 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15178 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15181 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15183 * tree-vrp.c (execute_vrp): Return value.
15184 * regrename.c (rest_of_handle_regrename): Ditto.
15185 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15186 * tree-complex.c (tree_lower_complex): Ditto.
15187 (tree_lower_complex_O0): Ditto.
15188 * tracer.c (rest_of_handle_tracer): Ditto.
15189 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15190 * postreload.c (rest_of_handle_postreload): Ditto.
15191 * tree-tailcall.c (execute_tail_recursion): Ditto.
15192 (execute_tail_calls): Ditto.
15193 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15194 * tree.h (init_function_for_compilation): Ditto.
15195 * ipa-cp.c (ipcp_driver): Ditto.
15196 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15197 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15198 * final.c (compute_alignments): Ditto.
15199 (rest_of_handle_final): Ditto.
15200 (rest_of_handle_shorten_branches): Ditto.
15201 (rest_of_clean_state): Ditto.
15202 * omp-low.c (execute_expand_omp): Ditto.
15203 (execute_lower_omp): Ditto.
15204 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15205 * ipa-reference.c (static_execute): Ditto.
15206 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15207 * reorg.c (rest_of_handle_delay_slots): Ditto.
15208 (rest_of_handle_machine_reorg): Ditto.
15209 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15210 * flow.c (recompute_reg_usage): Ditto.
15211 (rest_of_handle_remove_death_notes): Ditto.
15212 (rest_of_handle_life): Ditto.
15213 (rest_of_handle_flow2): Ditto.
15214 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15215 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15216 (do_ssa_store_ccp): Ditto.
15217 (execute_fold_all_builtins): Ditto.
15218 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15219 * modulo-sched.c (rest_of_handle_sms): Ditto.
15220 * ipa-pure-const.c (static_execute): Ditto.
15221 * cse.c (rest_of_handle_cse): Ditto.
15222 (rest_of_handle_cse2): Ditto.
15223 * web.c (rest_of_handle_web): Ditto.
15224 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15225 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15226 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15227 * tree-nrv.c (tree_nrv): Ditto.
15228 (execute_return_slot_opt): Ditto.
15229 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15230 (create_structure_vars): Ditto.
15231 * loop-init.c (rtl_loop_init): Ditto.
15232 (rtl_loop_done): Ditto.
15233 (rtl_move_loop_invariants): Ditto.
15234 (rtl_unswitch): Ditto.
15235 (rtl_unroll_and_peel_loops): Ditto.
15236 (rtl_doloop): Ditto.
15237 * gimple-low.c (lower_function_body): Ditto.
15238 (mark_used_blocks): Ditto.
15239 * tree-ssa-sink.c (execute_sink_code): Ditto.
15240 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15241 (cgraph_early_inlining): Ditto.
15242 * global.c (rest_of_handle_global_alloc): Ditto.
15243 * jump.c (cleanup_barriers): Ditto.
15244 (purge_line_number_notes): Ditto.
15245 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15246 (rest_of_handle_if_after_reload): Ditto.
15247 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15248 (tree_ssa_loop_im): Ditto.
15249 (tree_ssa_loop_unswitch): Ditto.
15250 (tree_vectorize): Ditto.
15251 (tree_linear_transform): Ditto.
15252 (tree_ssa_loop_ivcanon): Ditto.
15253 (tree_ssa_empty_loop): Ditto.
15254 (tree_ssa_loop_bounds): Ditto.
15255 (tree_complete_unroll): Ditto.
15256 (tree_ssa_loop_prefetch): Ditto.
15257 (tree_ssa_loop_ivopts): Ditto.
15258 (tree_ssa_loop_done): Ditto.
15259 * predict.c (tree_estimate_probability): Ditto.
15260 * recog.c (split_all_insns_noflow): Ditto.
15261 (rest_of_handle_peephole2): Ditto.
15262 (rest_of_handle_split_all_insns): Ditto.
15263 * tree-eh.c (lower_eh_constructs): Ditto.
15264 * regmove.c (rest_of_handle_regmove): Ditto.
15265 (rest_of_handle_stack_adjustments): Ditto.
15266 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15267 * function.c (instantiate_virtual_regs): Ditto.
15268 (init_function_for_compilation): Ditto.
15269 (rest_of_handle_check_leaf_regs): Ditto.
15270 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15271 (rest_of_handle_gcse): Ditto.
15272 * ipa-type-escape.c (type_escape_execute): Ditto.
15273 * alias.c (rest_of_handle_cfg): Ditto.
15274 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15275 * profile.c (rest_of_handle_branch_prob): Ditto.
15276 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15277 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15278 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15279 * tree-dfa.c (find_referenced_vars): Ditto.
15280 * except.c (set_nothrow_function_flags): Ditto.
15281 (convert_to_eh_region_ranges): Ditto.
15282 (rest_of_handle_eh): Ditto.
15283 * emit-rtl.c (unshare_all_rtl): Ditto.
15284 (remove_unnecessary_notes): Ditto.
15285 * except.h (set_nothrow_function_flags): Ditto.
15286 (convert_to_eh_region_ranges): Ditto.
15287 * cfgexpand.c (tree_expand_cfg): Ditto.
15288 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15289 * tree-ssa-pre.c (do_pre): Ditto.
15290 (execute_fre): Ditto.
15291 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15292 (rest_of_handle_jump2): Ditto.
15293 * tree-sra.c (tree_sra): Ditto.
15294 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15295 (execute_mudflap_function_decls): Ditto.
15296 * tree-ssa-copy.c (do_copy_prop): Ditto.
15297 (do_store_copy_prop): Ditto.
15298 * ipa-prop.h (ipcp_driver): Ditto.
15299 * cfglayout.c (insn_locators_initialize): Ditto.
15300 * tree-ssa-forwprop.c
15301 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15302 * cfglayout.h (insn_locators_initialize): Ditto.
15303 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15304 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15305 (execute_late_warn_uninitialized): Ditto.
15306 * rtl.h (cleanup_barriers): Ditto.
15307 (split_all_insns_noflow): Ditto.
15308 (purge_line_number_notes): Ditto.
15309 (unshare_all_rtl): Ditto.
15310 (remove_unnecessary_notes): Ditto.
15311 (recompute_reg_usage): Ditto.
15312 (variable_tracking_main): Ditto.
15313 * integrate.c (emit_initial_value_sets): Ditto.
15314 * integrate.h (emit_initial_value_sets): Ditto.
15315 * tree-optimize.c (execute_free_datastructures): Ditto
15316 (execute_free_cfg_annotations): Ditto.
15317 (execute_fixup_cfg): Ditto.
15318 (execute_cleanup_cfg_pre_ipa): Ditto.
15319 (execute_cleanup_cfg_post_optimizing): Ditto.
15320 (execute_init_datastructures): Ditto.
15321 * tree-object-size.c (compute_object_sizes): Ditto.
15322 * combine.c (rest_of_handle_combine): Ditto.
15323 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15324 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15325 (rest_of_handle_reorder_blocks): Ditto.
15326 (rest_of_handle_partition_blocks): Ditto.
15327 * var-tracking.c (variable_tracking_main): Ditto.
15328 * tree-profile.c (tree_profiling): Ditto.
15329 * tree-vect-generic.c (expand_vector_operations): Ditto.
15330 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15331 * sched-rgn.c (rest_of_handle_sched): Ditto.
15332 (rest_of_handle_sched2): Ditto.
15333 * basic-block.h (free_bb_insn): Ditto.
15334 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15335 * tree-cfg.c (execute_build_cfg): Ditto.
15336 (remove_useless_stmts): Ditto.
15337 (split_critical_edges): Ditto.
15338 (execute_warn_function_return): Ditto.
15339 (execute_warn_function_noreturn): Ditto.
15340 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15341 * cfgrtl.c (free_bb_for_insn): Ditto.
15342 * passes.c (execute_one_pass): Run additional
15343 todos returned by execute function.
15344 * tree-pass.h (struct tree_opt_pass): Make execute
15347 2006-03-02 Richard Guenther <rguenther@suse.de>
15349 * tree-ssa-alias.c (find_used_portions): Consider taking
15350 the address as making the variable not write-only.
15352 2006-03-02 Nick Clifton <nickc@redhat.com>
15354 * config.gcc (default_use_cxa_atexit): Extend the description of
15355 this configure variable. Set its default value to "yes" for
15356 Linux, NetBSD and ELF targets on the assumption that they will
15357 use C libraries with the __cxa_atexit function.
15359 2006-03-02 Ben Elliston <bje@au.ibm.com>
15361 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15362 parameter as unused to suppress a build warning.
15364 2006-03-02 Ben Elliston <bje@au.ibm.com>
15366 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15369 2006-03-01 Roger Sayle <roger@eyesopen.com>
15372 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15373 declared name, the weak reference name, and the typeof name.
15374 (__gthrw): Avoid expanding the declared name suffix.
15375 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15377 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15379 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15381 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15382 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15383 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15384 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15385 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15386 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15387 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15388 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15389 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15390 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15391 (DW_END_default, DW_END_big, DW_END_little): New.
15392 (DW_END_lo_user, DW_END_hi_user): Define.
15393 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15394 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15395 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15398 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15400 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15402 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15404 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15406 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15408 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15409 to 'symbol_mem_tag'.
15411 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15414 2006-03-01 Roger Sayle <roger@eyesopen.com>
15416 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15418 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15421 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15422 MACHO_DYNAMIC_NO_PIC_P.
15423 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15425 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15428 * config/darwin-protos.h (darwin_asm_output_anchor):
15430 * config/darwin-sections.def (cstring_section):
15431 Add SECTION_MERGE to the flags.
15432 (literal4_section): Likewise.
15433 (literal8_section): Likewise.
15434 (objc_selector_refs_section): Likewise.
15435 (objc_cls_refs_section): Likewise.
15436 * config/darwin.c (darwin_asm_output_anchor): New
15438 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15440 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15442 Fix PR tree-optimization/26443
15443 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15444 to todo and PROP_tmt_usage to properties_destroyed.
15445 * tree-ssa-ccp.c (pass_ccp): Ditto.
15446 (pass_store_ccp): Ditto.
15447 * tree-ssa-dom.c (pass_dominator): Ditto.
15449 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15451 * tree-ssa-operands.c: Cleanup whitespace.
15452 (get_asm_expr_operands): Move before first invocation.
15453 (get_indirect_ref_operands): Likewise.
15454 (get_tmr_operands): Likewise.
15455 (get_call_expr_operands): Likewise.
15456 (append_def): Likewise.
15457 (append_use): Likewise.
15458 (append_v_may_def): Likewise.
15459 (append_v_must_def): Likewise.
15460 (add_call_clobber_ops): Likewise.
15461 (add_call_read_ops): Likewise.
15462 (add_stmt_operand): Likewise.
15463 (add_virtual_operand): Likewise.
15464 (build_ssa_operands): Likewise.
15466 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15468 PR middle-end/26022
15470 PR middle-end/24437
15471 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15472 with a call expr to ...
15473 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15475 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15477 * tree-vrp.c (extract_range_from_assert): Remove special
15478 handling for types with super-types.
15480 2006-03-01 Ben Elliston <bje@au.ibm.com>
15482 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15483 and powerpc64-*-linux* configurations.
15484 * config/t-dfprules: New file.
15486 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15487 Compile dfp-bit.c from the source directory using -DWIDTH and
15488 $DFP_CFLAGS to control the compilation of that file, rather than
15489 generating width-specific versions in the build directory.
15490 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15491 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15493 2006-02-28 Zack Weinberg <zackw@panix.com>
15495 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15498 2006-02-28 Eric Christopher <echristo@apple.com>
15500 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15501 Set up IN_LIBGCC definition of TARGET_64BIT.
15502 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15504 2006-02-28 Roger Sayle <roger@eyesopen.com>
15506 PR middle-end/14752
15507 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15508 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15509 cases via the construction of "expr != 0".
15511 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15513 * alias.c (alias_invariant, alias_invariant_size): Remove.
15514 (record_base_value): Remove.
15515 (memrefs_conflict_p): Don't look at alias_invariant.
15516 (end_alias_analysis): Don't free it.
15517 * alias.h (record_base_value): Remove prototype.
15519 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15520 Adam Nemet <anemet@caviumnetworks.com>
15522 * rtl.h (truncated_to_mode): Declare it.
15523 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15524 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15525 (RTL_HOOKS_INITIALIZER): Include it.
15526 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15527 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15528 reg_truncated_to_mode.
15529 * rtlanal.c (truncated_to_mode): Define it.
15530 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15532 2006-02-28 Jeff Law <law@redhat.com>
15534 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15535 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15536 the range allowed by TYPE_PRECISION.
15538 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15540 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15542 PR tree-optimization/26419
15543 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15546 2006-02-27 Zack Weinberg <zackw@panix.com>
15548 * doc/md.texi: Fix typo in previous change.
15550 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15554 2006-02-27 Zack Weinberg <zackw@panix.com>
15556 * rtl.def (define_constraint, define_register_constraint)
15557 (define_memory_constraint, define_address_constraint): New MD forms.
15558 * gensupport.c (process_rtx): Put define_constraint etc on the
15560 * genpreds.c (process_define_predicate): Adjust comment. Validate
15561 the name, and call validate_exp to validate the expression.
15562 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15563 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15564 all callers changed.
15565 (validate_exp, needs_variable, struct constraint_data)
15566 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15567 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15568 (const_dbl_constraints, constraint_max_namelen)
15569 (have_register_constraints, have_memory_constraints)
15570 (have_address_constraints, have_address_constraints)
15571 (have_extra_constraints, have_const_int_constraints)
15572 (have_const_dbl_constraints, mangle, add_constraint)
15573 (process_define_constraint, process_define_register_constraint)
15574 (write_enum_constraint_num, write_lookup_constraint)
15575 (write_insn_constraint_len, write_regclass_for_constraint)
15576 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15577 (write_insn_extra_memory_constraint)
15578 (write_insn_extra_address_constraint)
15579 (write_satisfies_constraint_fns): New.
15580 (write_tm_preds_h): If we have new-style constraint definitions,
15581 prototype the functions generated from them, and define the
15582 old constraint interface (still used by generic code) in terms of
15584 (write_insn_preds_c): If we have new-style constraint definitions,
15585 generate all relevant functions from those definitions.
15586 (main): Handle define_constraint etc.
15587 * genoutput.c (struct constraint_data, indep_constraints)
15588 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15589 (mdep_constraint_len): New data structures and functions, defined
15590 #ifdef USE_MD_CONSTRAINTS.
15591 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15592 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15593 use new logic to validate operand constraints against constraint
15595 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15597 * defaults.h: If none of the old-style constraint macros are
15598 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15599 old-style macros; and poison REG_CLASS_FROM_LETTER,
15600 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15602 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15603 * doc/md.texi: Document new constraint-definition mechanism and the
15604 C interface it provides. Remove references to old mechanism
15605 elsewhere in the document.
15606 (Machine Constraints): Use pathnames relative to gcc directory,
15607 i.e. config/ARCH/FILE. Change i386 section to refer to
15608 config/i386/predicates.md; update that section to match docstrings.
15609 * doc/tm.texi: Move all documentation of the old constraint-
15610 definition macros to their own section, clearly mark as obsolete.
15612 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15613 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15615 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15616 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15617 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15618 constraint strings.
15619 (splits and peepholes): Use satisfies_constraint_*.
15620 * config/i386/i386.c (memory_address_length)
15621 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15623 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15625 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15626 scalar operation to be put back into the loop.
15628 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15631 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15632 (extract_cie_info): Handle S flag in augmentation string.
15633 (execute_cfa_program): If context->signal_frame, execute also
15634 fs->pc == context->ra instructions.
15635 (uw_frame_state_for): If context->signal_frame, don't subtract one
15636 from context->ra to find FDE.
15637 (uw_update_context_1): Set context->signal_frame to
15639 (_Unwind_GetIPInfo): New function.
15640 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15641 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15643 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15644 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15645 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15646 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15647 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15648 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15649 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15650 x86_64_fallback_frame_state): Set fs->signal_frame.
15651 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15652 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15653 (frob_update_context): Likewise. Workaround missing S flag in
15654 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15655 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15656 Remove the psw_addr + 1 hack.
15658 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15660 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15661 with aggregates here.
15662 (find_func_aliases): Remove code for &<aggregate> from here.
15664 2006-02-26 Roger Sayle <roger@eyesopen.com>
15666 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15667 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15668 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15669 as (X & C) ne/eq 0.
15671 2006-02-26 Roger Sayle <roger@eyesopen.com>
15673 PR middle-end/19983
15674 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15676 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15678 * opts.c (decode_options): Do not handle flag_strength_reduce.
15679 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15680 and OPT_fstrength_reduce.
15681 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15682 flag_prefetch_loop_arrays for being nonzero.
15683 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15685 (fprefetch-loop-arrays-rtl): Removed.
15686 (flag_prefetch_loop_arrays): Do not specify the value.
15688 * doc/passes.texi: Update documentation of loop optimizer
15690 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15691 -frerun-loop-opt): Remove.
15693 2006-02-26 Richard Guenther <rguenther@suse.de>
15695 PR tree-optimization/26421
15696 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15697 in function calls that are ADDR_EXPRs as using the whole structure.
15699 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15701 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15702 * tree-pass.h (pass_loop_optimize): Remove.
15703 * passes.c (pass_loop_optimize): Never run it.
15704 * toplev.c (backend_init): Don't call init_loop.
15705 * opts.c (flag_loop_optimize_set): Remove.
15706 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15707 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15708 the old RTL loop optimizer when profiling enabled.
15709 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15710 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15711 pre-headers for the sake of the old RTL loop optimizer.
15712 * Makefile.in: Remove all references to loop.o.
15714 * doc/invoke.texi: Remove all references to -floop-optimize
15715 and -frerun-loop-opt.
15717 2006-02-26 Zack Weinberg <zackw@panix.com>
15719 * doc/md.texi (Machine Constraints): Refer to all files with paths
15720 relative to gcc directory (i.e. config/CPU/file). Add missing
15721 @table @code ... @end table to M32C subsection.
15723 2006-02-26 Roger Sayle <roger@eyesopen.com>
15725 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15727 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15729 2006-02-26 Roger Sayle <roger@eyesopen.com>
15730 James A. Morrison <phython@gcc.gnu.org>
15732 PR middle-end/21137
15733 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15734 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15735 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15736 signedness of the shift operation.
15738 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15740 PR tree-optimization/26359
15741 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15743 2006-02-25 Roger Sayle <roger@eyesopen.com>
15745 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15746 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15747 as X == 0, and some symmetry related transformations.
15748 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15750 2006-02-25 Roger Sayle <roger@eyesopen.com>
15752 PR middle-end/23673
15753 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15754 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15755 symmetry related transformations. Fold (X^C1) == C2 as
15758 2006-02-25 Juergen Weigert <jw@suse.de>
15759 Richard Guenther <rguenther@suse.de>
15761 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15763 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15765 * combine.c (gen_lowpart_or_truncate): Call
15766 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15768 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15770 * doc/invoke.texi: Move -fopenmp description to "Options for
15772 Remove reference to -lgomp.
15774 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15776 * doc/install.texi: Require GNU tar version 1.14.
15778 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15780 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15781 * doc/invoke.texi (C++ Dialect Options): Document
15782 -fno-use-cxa-get-exception-ptr.
15783 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15784 * configure: Regenerate.
15785 * c.opt (fuse-cxa-get-exception-ptr): New.
15786 * c-opts.c (c_common_handle_option): Handle
15787 OPT_fuse_cxa_get_exception_ptr.
15788 * c-common.c (flag_use_cxa_atexit): Update documentation.
15789 (flag_use_cxa_get_exception_ptr): New.
15790 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15791 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15793 (C_COMMON_OVERRIDE_OPTIONS): New.
15795 2006-02-24 Roger Sayle <roger@eyesopen.com>
15797 PR middle-end/24952
15798 * combine.c (try_combine): Explicitly check whether GET_CODE is
15799 a SET or a CLOBBER, instead on checking that it isn't a USE.
15801 2006-02-24 Roger Sayle <roger@eyesopen.com>
15803 * fold-const.c (fold_comparison): New subroutine of fold_binary
15804 containing transformations common to both the equality and
15805 ordering relational operators, factored out of fold_binary.
15806 (fold_binary): Separate out the equality operators (EQ_EXPR
15807 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15808 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15809 transformations common to both.
15810 (fold_div_compare): Fix latent bugs in the previously unreachable
15811 LT_EXPR and GE_EXPR cases.
15813 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15815 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15816 decl libname for clog to __clog on AIX.
15818 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15820 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15823 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15824 output traceback table for thunks. Localise rs6000_stack_info call.
15826 2006-02-23 Roger Sayle <roger@eyesopen.com>
15827 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15829 * gthr-posix.h (__gthrw): Fix typo in comment.
15831 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15833 * doc/cpp.texi (Character sets): Document that we do support
15834 input files to be in any character set.
15836 2006-02-23 Jeff Law <law@redhat.com>
15838 * tree.h (PHI_ARG_NONZERO): Remove.
15839 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15840 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15841 node to the new node.
15843 PR tree-optimization/26425
15844 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15845 min/max, then assume its varying.
15847 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15849 PR rtl-optimization/26316
15850 * rtlanal.c (enum may_trap_p_flags): New.
15851 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15852 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15853 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15854 (may_trap_after_code_motion_p): New function.
15855 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15856 (find_invariant_insn): Use may_trap_after_code_motion_p.
15857 * rtl.h (may_trap_after_code_motion_p): Declare.
15859 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15861 * emit-rtl.c (immed_double_const): Cleanup.
15863 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15865 Fix PR tree-optimization/26376
15866 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15869 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15871 PR middle-end/26412
15872 * gimplify.c (omp_add_variable): Guard variable size decl test with
15873 DECL_SIZE (decl) check.
15875 2006-02-23 Richard Guenther <rguenther@suse.de>
15877 PR middle-end/26439
15878 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15879 like aggregate types.
15881 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15883 * configure.ac: Add --with{,out}-long-double-128 configure option.
15884 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15885 * configure: Rebuilt.
15886 * config.in: Rebuilt.
15887 * doc/install.texi (Options specification): Document
15888 --with-long-double-128.
15890 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15891 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15892 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15893 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15895 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15897 * config/s390/s390.c (override_options): Handle
15898 TARGET_DEFAULT_LONG_DOUBLE_128.
15900 * config/alpha/alpha.c (override_options): Handle
15901 TARGET_DEFAULT_LONG_DOUBLE_128.
15903 * config/sparc/sparc.c (sparc_override_options): Handle
15904 TARGET_DEFAULT_LONG_DOUBLE_128.
15906 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15908 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15909 (real-install-headers-tar, real-install-headers-cpio)
15910 (real-install-headers-cp): New targets.
15912 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15914 * tree.h (variable_section): Delete.
15915 * varasm.c (variable_section): Delete.
15917 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15919 * install.texi: Add notes on install.texi2html.
15920 (Building in parallel): Do not use footnotes.
15922 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15925 * doc/install.texi (Configuration): Document --disable-libgomp.
15927 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15929 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15931 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15933 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15934 (vec_extractv2df_0_sse): New.
15936 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15938 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15939 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15940 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15941 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15942 to the result of the expression.
15943 (def_cfa_1): Adjust.
15944 (frame_pointer_cfa_offset): Rename to...
15945 (frame_pointer_fb_offset): ... this. Adjust all uses.
15946 (convert_cfa_to_loc_list): Rename to...
15947 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15948 Pass it on to build_cfa_loc.
15949 (compute_frame_pointer_to_cfa_displacement): Rename to...
15950 (compute_frame_pointer_to_fb_displacement): ... this. New
15951 offset parameter. Use it in computation.
15952 (gen_subprogram_die): Compute cfa_fb_offset with the new
15953 macro, and use it to compute the fb loc list and the
15956 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15958 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15959 replaced with register_operand.
15960 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15961 non-DREG is expensive.
15962 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15963 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15966 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15968 * doc/install.texi2html: Use set -e.
15970 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15972 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15973 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15974 * doc/invoke.texi (-fshared-data): Delete.
15975 * common.opt (fshared-data): Delete.
15976 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15977 (assemble_static_space): Remove #if 0 code.
15978 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15979 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15980 * config/cris/cris.h: Remove FIXME.
15982 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15984 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15987 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15989 PR middle-end/26379
15990 * combine.c (simplify_shift_const_1): Disable nested shifts
15991 optimization for vector shifts.
15993 2006-02-20 Roger Sayle <roger@eyesopen.com>
15995 PR tree-optimization/26361
15996 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15997 of unsigned integer types.
15999 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16001 * tree-chrec.c (eq_evolutions_p): New.
16002 * tree-chrec.h (eq_evolutions_p): Declared.
16003 * tree-data-ref.c: Fix formatting.
16004 (datadep_stats, dependence_stats): New.
16006 (print_direction_vector): New.
16007 (dump_data_dependence_relation): Use print_direction_vector.
16008 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16009 (compute_subscript_distance): Static.
16010 (initialize_data_dependence_relation): Static. Get the number
16011 of loops surrounding the references from the callers, and initialize
16012 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16013 base_object_differ_p analyzers.
16014 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16015 compute_overlap_steps_for_affine_1_2,
16016 analyze_subscript_affine_affine): Count the classified dependences.
16017 Print a message when a test failed.
16018 (can_use_analyze_subscript_affine_affine): New.
16019 (analyze_siv_subscript): Compute the data dependences on symbolic
16020 scevs that verify can_use_analyze_subscript_affine_affine.
16021 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16022 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16023 Handle symbolic scevs.
16024 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16026 (subscript_dependence_tester): Moved...
16027 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16028 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16029 DDR_SIZE_VECT instead of getting it in parameter.
16030 (subscript_dependence_tester): ... here. Take as a parameter
16031 loop_nest_depth. Call build_classic_dist_vector and
16032 build_classic_dir_vector.
16033 (compute_affine_dependence): Update subscript_dependence_tester
16034 parameters. Update datadep_stats counters. Call
16035 compute_subscript_distance.
16036 (compute_self_dependence): Save the dist and dir vectors. Call
16037 compute_subscript_distance.
16038 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16039 (compute_all_dependences): Reorder parameters as they were before
16040 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16041 compute_subscript_distance. Update the use of
16042 compute_affine_dependence and initialize_data_dependence_relation.
16043 (find_data_references_in_loop): Handle COMPONENT_REF.
16044 (compute_data_dependences_for_loop): Initialize dependence_stats.
16045 Don't call build_classic_dist_vector and build_classic_dir_vector.
16046 Update the parameters of initialize_data_dependence_relation and
16047 compute_all_dependences. Print the statistics from datadep_stats.
16048 (analyze_all_data_dependences): Static. Not used until the pass for
16049 checking the data dependences is contributed.
16050 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16051 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16052 (initialize_data_dependence_relation, compute_affine_dependence,
16053 analyze_all_data_dependences, compute_subscript_distance): Removed.
16054 (print_direction_vector): New.
16055 * lambda.h (gcd): ... here.
16056 (lambda_vector_gcd): Moved here from gcd_vector.
16057 * lambda-code.c (gcd, gcd_vector): Removed.
16058 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16059 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16061 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16063 * ipa-type-escape.c: Tidy some comments and white space.
16064 * tree-ssa-operands.c: Likewise.
16066 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16069 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16070 (dump_decl_name): Do not walk the decl tree chains.
16071 * tree-pass.h (TDF_CHAIN): Remove.
16073 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16075 * Makefile.in (C): Remove
16077 (.PHONY): Remove C and PROTO
16079 2006-02-20 Roger Sayle <roger@eyesopen.com>
16081 PR middle-end/26236
16082 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16083 deprecated CHAR_TYPE tree code.
16085 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16087 * configure.ac (target_list): Add install-info, dvi, html.
16088 * configure: Regenerate.
16090 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16091 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16092 treelang/Make-lang.in: Do not use double-colon rules.
16094 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16096 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16097 (TMT_USED_ALONE): New macro.
16098 * tree-pass.h (PROP_tmt_usage): New property.
16099 (TODO_update_tmt_usage): New todo.
16100 * tree-ssa-alias.c (updating_used_alone): New variable.
16101 (recalculate_used_alone): New function.
16102 (compute_may_aliases): Set updating_used_alone, call
16103 recalculate_used_alone.
16104 * tree-sra.c (pass_sra): Note that this pass destroys
16105 PROP_tmt_usage, and add TODO_update_tmt_usage.
16106 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16107 * tree-flow.h (updating_used_alone): Prototype.
16108 (recalculate_used_alone): Ditto.
16109 * passes.c (execute_todo): Add code to set updating_used_alone,
16110 and call recalculate.
16111 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16112 for clobber if used alone, and add assert to verify used_alone
16115 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16117 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16118 for non tls symbols added.
16119 (legitimize_address): Do nothing for PLUS expressions if one of the
16120 addends is a tls symbol reference.
16122 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16126 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16128 * Makefile.in (BOOTSTRAPPING): New.
16129 (quickstrap): New definition if BOOTSTRAPPING=yes.
16131 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16132 * configure.ac: Substitute all_selected_languages with the languages
16133 that were configured. For all the other variables except
16134 lang_specs_files, include all the languages in the tree.
16135 * configure: Regenerate.
16137 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16138 if there is one. Run the commands to run fixincludes in the same
16141 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16142 * doc/install.texi: Document exact conventions for searching target tools.
16143 Document --with-build-time-tools. Document toplevel bootstrap. Document
16144 something more about building an Ada cross-compiler. Don't list GNU Make
16145 requirements which affect all platforms.
16147 2006-02-19 Roger Sayle <roger@eyesopen.com>
16149 PR middle-end/19543
16150 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16151 only equivalent if the have both the same mode and precision.
16153 2006-02-20 Ben Elliston <bje@au.ibm.com>
16155 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16157 2006-02-19 Roger Sayle <roger@eyesopen.com>
16158 Steven Bosscher <stevenb.gcc@gmail.com>
16160 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16161 constant pool references to identify stack mode constants.
16162 * rtlanal.c (constant_pool_constant_p): New predicate to check
16163 whether operand is a floating point constant in the pool.
16164 * rtl.h (constant_pool_constant_p): Prototype here.
16165 * loop.c (scan_loop): Avoid hoisting constants from the constant
16166 pool on STACK_REGS targets.
16167 (load_mems): Likewise.
16168 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16169 loads into x87 registers expensive in terms of register pressure.
16171 2006-02-19 Roger Sayle <roger@eyesopen.com>
16173 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16174 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16176 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16178 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16179 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16181 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16183 * doc/invoke.texi: Document -fipa-pta.
16184 * common.opt: Add ipa-pta option.
16185 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16186 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16187 (do_ds_constraint): Ditto.
16188 (get_constraint_for): Only add to referenced_vars if
16189 referenced_vars exists.
16190 (insert_into_field_list): Rewrite to do this unsorted.
16191 (insert_into_field_list_sorted): Rename old insert_into_field_list
16193 (create_function_info_for): Use insert_into_field_list_sorted.
16194 (create_variable_info_for): Rewrite so it uses unsorted version,
16195 since the field list is sorted.
16196 (intra_create_variable_infos): Only add to referenced_vars if
16197 referenced_vars exists.
16198 (ipa_pta_execute): Init heapvars, and delete when done.
16199 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16201 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16203 * doc/install.texi: Add missing `@samp'.
16205 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16207 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16210 2006-02-18 Mark Wielaard <mark@klomp.org>
16212 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16213 who added new 4.1 features, bug fixes and integration support.
16215 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16218 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16219 MEM for ABI_V4 pic.
16221 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16223 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16224 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16225 (copy_insn_1): Likewise. Don't copy each field individually.
16227 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16229 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16230 * rtl.c (rtx_size): Rename variable to...
16231 (rtx_code_size): ...this.
16232 (rtx_size): New function.
16233 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16234 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16236 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16237 * rtl.h (rtx_code_size): New variable.
16238 (rtx_size): Change from a variable to a function.
16239 (RTX_SIZE): Rename to...
16240 (RTX_CODE_SIZE): ...this.
16243 PR tree-optimization/17106
16244 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16245 (Anchored Addresses): New section.
16246 * doc/invoke.texi (-fsection-anchors): Document.
16247 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16248 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16249 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16250 * hooks.c (hook_bool_mode_rtx_false): New function.
16251 * hooks.h (hook_bool_mode_rtx_false): Declare.
16252 * gengtype.c (create_optional_field): New function.
16253 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16254 SYMBOL_REF_IN_BLOCK_P is true.
16255 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16256 (min_anchor_offset, max_anchor_offset): Likewise.
16257 (use_anchors_for_symbol_p): New hook.
16258 * toplev.c (compile_file): Call output_object_blocks.
16259 (target_supports_section_anchors_p): New function.
16260 (process_options): Check that -fsection-anchors is only used on
16261 targets that support it and when -funit-at-a-time is in effect.
16262 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16263 if the decl doesn't have one.
16264 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16265 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16266 of force_const_mem through use_anchored_address.
16267 (expand_expr_constant): New function.
16268 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16269 calling expand_expr for INDIRECT_REF.
16270 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16271 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16272 * expr.h (use_anchored_address): Declare.
16273 * loop-unroll.c: Don't declare rtx vectors here.
16274 * explow.c: Include output.h.
16275 (validize_mem): Call use_anchored_address.
16276 (use_anchored_address): New function.
16277 * common.opt (-fsection-anchors): New switch.
16278 * varasm.c (object_block_htab, anchor_labelno): New variables.
16279 (hash_section, object_block_entry_eq, object_block_entry_hash)
16280 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16281 (use_blocks_for_decl_p, change_symbol_section): New functions.
16282 (get_variable_section): New function, split out from assemble_variable.
16283 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16284 use_blocks_for_decl_p say so. Use change_symbol_section if the
16285 symbol has already been created.
16286 (assemble_variable_contents): New function, split out from...
16287 (assemble_variable): ...here. Don't output any code for
16288 block symbols; just pass them to place_block_symbol.
16289 Use get_variable_section and assemble_variable_contents.
16290 (get_constant_alignment, get_constant_section, get_constant_size): New
16291 functions, split from output_constant_def_contents.
16292 (build_constant_desc): Create a block symbol if use_object_blocks_p
16293 says so. Or into SYMBOL_REF_FLAGS.
16294 (assemble_constant_contents): New function, split from...
16295 (output_constant_def_contents): ...here. Don't output any code
16296 for block symbols; just pass them to place_section_symbol.
16297 Use get_constant_section and get_constant_alignment.
16298 (force_const_mem): Create a block symbol if use_object_blocks_p and
16299 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16300 (output_constant_pool_1): Add an explicit alignment argument.
16301 Don't switch sections here.
16302 (output_constant_pool): Adjust call to output_constant_pool_1.
16303 Switch sections here instead. Don't output anything for block symbols;
16304 just pass them to place_block_symbol.
16305 (init_varasm_once): Initialize object_block_htab.
16306 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16307 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16308 (place_block_symbol, get_section_anchor, output_object_block)
16309 (output_object_block_htab, output_object_blocks): New functions.
16310 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16311 (TARGET_ASM_OUT): Include it.
16312 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16313 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16314 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16315 (TARGET_INITIALIZER): Include them.
16316 * rtl.c (rtl_check_failed_block_symbol): New function.
16317 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16318 (block_symbol, object_block): New structures.
16319 (rtx_def): Add a block_symbol field to the union.
16320 (BLOCK_SYMBOL_CHECK): New macro.
16321 (rtl_check_failed_block_symbol): Declare.
16322 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16323 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16324 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16325 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16326 * output.h (output_section_symbols): Declare.
16327 (object_block): Name structure.
16328 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16329 (default_use_anchors_for_symbol_p): Declare.
16330 * Makefile.in (RTL_BASE_H): Add vec.h.
16331 (explow.o): Depend on output.h.
16332 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16333 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16334 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16335 (rs6000_use_blocks_for_constant_p): New function.
16337 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16339 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16341 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16344 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16347 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16349 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16353 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16355 PR middle-end/26334
16356 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16357 instead of DECL_REGISTER.
16359 2006-02-18 Olivier Hainque <hainque@adacore.com>
16362 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16364 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16367 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16368 * opth-gen.awk: Handle Var and InverseMask together.
16369 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16370 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16371 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16372 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16374 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16375 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16376 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16377 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16378 LINUX_DYNAMIC_LINKER): Define.
16379 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16380 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16382 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16383 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16384 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16385 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16386 (TARGET_C99_FUNCTIONS): Don't define.
16387 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16388 GLIBC_DYNAMIC_LINKER.
16389 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16390 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16391 GLIBC_DYNAMIC_LINKER64): Define.
16392 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16393 LINUX_DYNAMIC_LINKER64.
16394 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16395 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16396 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16397 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16398 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16399 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16400 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16401 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16402 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16403 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16404 and LINUX_DYNAMIC_LINKER32.
16405 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16407 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16408 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16409 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16411 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16412 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16413 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16414 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16415 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16416 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16417 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16418 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16419 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16420 LINUX_DYNAMIC_LINKER): Define.
16421 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16422 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16423 GLIBC_DYNAMIC_LINKER64): Define.
16424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16425 LINUX_DYNAMIC_LINKER64.
16426 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16427 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16428 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16429 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16430 LINUX_DYNAMIC_LINKER): Define.
16431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16432 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16433 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16434 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16435 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16436 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16437 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16438 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16439 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16440 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16441 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16442 * doc/invoke.texi (-muclibc): Remove caveat about supported
16445 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16447 * doc/cpp.texi (__TIMESTAMP__): Document.
16449 2006-02-17 Roger Sayle <roger@eyesopen.com>
16451 PR middle-end/25600
16452 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16453 C is one less than the width of X (and related transformations).
16454 * simplify-rtx.c (simplify_unary_operation_1): Transform
16455 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16456 depending on STORE_FLAG_VALUE, were C is one less then the
16459 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16461 Fix PR tree-optimization/26341
16462 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16463 about NAME_MEMORY_TAG's.
16465 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16468 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16469 with hardware float support, and software float support. Add fcpy
16470 alternative to hardware patterns. Add alternatives to copy between
16471 general and floating-point registers to the 32-bit pattern.
16472 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16473 secondary reload to load a QI or HI mode constant into a floating
16475 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16476 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16478 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16481 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16483 (load_macho_picbase_di): Likewise.
16485 2006-02-16 Jeff Law <law@redhat.com>
16487 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16488 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16489 (ssa_name_nonzero_p): Likewise.
16490 (get_value_range): Return NULL if VRP is not running.
16491 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16492 VRP routines do not discover a range.
16493 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16494 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16495 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16496 (tree_expr_nonnegative_p): Similarly.
16497 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16498 (restore_nonzero_vars_to_original_value): Remove.
16499 (unsafe_associative_fp_binop): Remove.
16500 (tree_ssa_dominator_optimize): Remove initialization and
16501 finalization of nonzero_vars and nonzero_vars_stack.
16502 (dom_opt_initialize_block): No longer push marker on
16503 nonzero_vars_stack.
16504 (dom_opt_finalize_block): No longer call
16505 restore_nonzero_vars_to_original_value.
16506 (record_equivalences_from_phis): No longer look for
16507 nonzero PHI arguments.
16508 (cprop_into_successor_phis): No longer propagate nonzero
16509 property into PHI arguments. Lose unused argument. Caller
16511 (record_equivalences_from_stmt): No longer record nonzero
16512 values for SSA_NAMEs.
16513 (lookup_avail_expr): No longer use nonzero_vars.
16515 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16516 for sizetype when sizetype is unsigned.
16518 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16520 PR rtl-optimization/25603
16521 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16522 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16523 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16524 with new meaning of SETS.
16526 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16531 * config/linux.opt: New file.
16532 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16533 LINUX_DYNAMIC_LINKER): Define.
16534 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16535 * config.gcc (*-*-linux*): Define extra_options.
16536 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16537 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16538 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16539 GLIBC_DYNAMIC_LINKER.
16540 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16541 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16542 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16543 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16544 * doc/invoke.texi (GNU/Linux Options): New section.
16546 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16548 * config/sparc/sparc.md (setjmp): Rewrite.
16549 (setjmp_32): Delete.
16550 (setjmp_64): Likewise.
16552 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16554 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16557 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16559 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16562 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16564 PR rtl-optimization/26296
16565 * Makefile.in (loop-invariant.c): Add except.h dependency.
16566 * loop-invariant.c: Include except.h.
16567 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16569 2005-02-16 Paul Brook <paul@codesourcery.com>
16571 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16574 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16576 PR rtl-optimization/25636
16577 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16578 when deciding whether an insn is an initializing insn.
16580 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16582 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16583 (tree_code_size): Ditto.
16584 * tree.h (struct tree_memory_tag): Remove parent_var.
16585 (struct tree_struct_field_tag): New.
16588 (union tree_node): Add sft member.
16589 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16591 (create_sft): Add size and offset argument, set SFT_OFFSET and
16593 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16594 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16595 * tree-flow-inline.h (get_subvar_at): Update for
16596 SFT_OFFSET/SFT_SIZE.
16597 (var_can_have_subvars): Ditto.
16598 (overlap_subvar): Ditto.
16599 * print-tree.c (print_node): Print out interesting things for
16601 * tree-flow.h (struct subvar): Remove offset and size members.
16602 * tree-ssa-operands.c (get_expr_operands): Update for
16603 get_indirect_ref_operands changes.
16604 (get_indirect_ref_operands): Call add_virtual_operand instead of
16605 add_stmt_operand. Only recurse on base var if requested.
16606 (access_can_touch_variable): New function.
16607 (add_stmt_operand): Split virtual operand handling into ...
16608 (add_virtual_operand): Here. Add offset, size, and for_clobber
16609 arguments. Prune alias sets.
16610 (add_call_clobber_ops): Call add_virtual_operand.
16612 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16614 PR middle-end/26300
16615 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16617 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16618 than TREE_CODE as index into omp_clause_num_ops array.
16620 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16622 PR rtl-optimization/26184
16623 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16625 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16626 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16627 must_precede, must_follow and tobe_scheduled.
16630 * opts.c (common_handle_option): Free new_option pointer.
16631 * df-core.c (df_analyze): Free postorder pointer.
16633 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16635 * Makefile.in: Fix the examples about the use of stamps
16637 2006-02-15 Michael Matz <matz@suse.de>
16639 PR middle-end/22275
16641 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16642 influenced by maximum_field_alignment or DECL_PACKED.
16643 (update_alignment_for_field): Ditto.
16644 (place_field): Ditto.
16645 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16648 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16650 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16651 (debug_flow_info): Pass it.
16652 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16653 * bb-reorder.c (reorder_basic_blocks): Likewise.
16654 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16655 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16656 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16657 * gcse.c (gcse_main, bypass_jumps): Likewise.
16658 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16659 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16660 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16661 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16662 * rtl.h (dump_flow_info): Adjust prototype.
16663 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16664 * var-tracking.c (variable_tracking_main): Likewise.
16665 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16666 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16669 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16671 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16674 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16676 PR tree-optimization/26209
16677 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16678 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16680 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16682 2006-02-14 Roger Sayle <roger@eyesopen.com>
16684 PR middle-end/23670
16685 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16686 (X,Y) and the corresponding symmetry related transformations.
16687 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16688 (X,Y) and its symmetry related transformations.
16690 2006-02-14 Roger Sayle <roger@eyesopen.com>
16692 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16695 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16697 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16699 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16702 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16703 support COMDAT group.
16704 * configure: Regenerate.
16706 2006-02-14 Roger Sayle <roger@eyesopen.com>
16708 PR middle-end/26279
16709 PR middle-end/26280
16710 PR middle-end/26283
16711 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16713 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16715 Fix PR tree-optimization/26260
16717 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16719 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16720 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16721 * tree-ssa-structalias.c (create_variable_info_for): Use
16722 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16724 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16726 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16728 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16729 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16730 of the ending condition.
16731 * tree-ssa-loop-manip.c: Include params.h.
16732 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16733 tree_unroll_loop): New functions.
16734 * tree-pass.h (pass_loop_prefetch): Declare.
16735 * loop.c (rest_of_handle_loop_optimize): Test for
16736 -fprefetch-loop-arrays-rtl.
16737 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16738 * timevar.def (TV_TREE_PREFETCH): New timevar.
16739 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16740 pass_loop_prefetch): New.
16741 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16742 (cleanup_tree_cfg_loop): Call scev_reset.
16743 * common.opt (fprefetch-loop-arrays-rtl): Add.
16744 * tree-ssa-loop-prefetch.c: New file.
16745 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16746 (new_temp_expr_table): Initialize expr_vars.
16747 (free_temp_expr_table): Cleanup expr_vars.
16748 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16749 expressions from being merged into one.
16750 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16751 (struct tree_niter_desc): Add control, bound and cmp fields.
16752 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16754 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16755 (tree-cfgcleanup.o): Add SCEV_H dependency.
16756 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16757 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16759 2006-02-14 Richard Guenther <rguenther@suse.de>
16761 PR tree-optimization/26258
16762 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16763 in PHI argument processing.
16765 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16767 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16768 new expression in the requested machine mode.
16770 2006-02-13 Roger Sayle <roger@eyesopen.com>
16772 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16773 directly, instead let do_compare_rtx_and_jump handle this for us.
16774 * expr.c (expand_expr_real_1): Likewise.
16775 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16776 before do_jump_by_parts_greater.
16777 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16778 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16780 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16782 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16784 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16786 PR rtl-optimization/26235
16787 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16788 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16791 2006-02-13 Jeff Law <law@redhat.com>
16793 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16796 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16798 PR middle-end/26092
16799 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16800 twice if decl is a builtin. When trying again, call get_callee_fndecl
16801 first to verify it is still a builtin.
16803 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16805 * dwarf2out.c (base_type_die): Don't add AT_name here.
16806 (subrange_type_die): Don't add AT_name here.
16807 (modified_type_die): Rearrange code flow. Do add AT_name here.
16809 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16811 PR rtl-optimization/26247
16812 PR rtl-optimization/26248
16813 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16815 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16817 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16818 * config/fixtfdi.c: Likewise.
16819 * config/fixunstfdi.c: Likewise.
16820 * config/floatditf.c: Likewise.
16822 2006-02-13 Roger Sayle <roger@eyesopen.com>
16824 PR middle-end/24427
16825 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16826 into (X,C2) if C1 is a subset of the bits of C2. Transform
16827 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16829 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16831 2006-02-13 Josh Conner <jconner@apple.com>
16834 * varasm.c (function_section): Check for section name before
16835 calling select_section on targets that define
16836 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16837 unlikely_text_section instead of hot_function_section if
16838 first_function_block_is_cold.
16840 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16842 PR middle-end/25335
16843 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16845 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16847 PR rtl-optimization/26222
16848 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16849 after tree->rtl expansion.
16850 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16851 before passing it to emit_move_insn.
16853 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16855 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16857 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16858 Clarify documentation.
16859 * c-common.h (warn_write_strings): Remove.
16860 * c-common.c (warn_write_strings): Likewise.
16861 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16864 2006-02-12 Roger Sayle <roger@eyesopen.com>
16866 PR middle-end/25724
16867 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16868 (do_jump_parts_zero_rtx): New function renamed from
16869 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16870 (do_jump_parts_equality_rtx): New function split out from
16871 do_jump_parts_equality. Old implementation renamed as above.
16872 Call do_jump_parts_zero_rtx if either operand is zero.
16873 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16874 do all of the heavy lifting.
16875 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16876 calling either do_jump_by_parts_greater_rtx or
16877 do_jump_by_parts_equality_rtx.
16878 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16879 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16880 moved to do_compare_rtx_and_jump, call it directly.
16881 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16882 mode argument. Call do_compare_rtx_and_jump.
16883 (emit_case_nodes): Update calls to do_jump_if_equal.
16885 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16887 PR rtl-optimization/26225
16888 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16890 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16892 PR rtl-optimization/26232
16893 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16895 2006-02-11 Jason Merrill <jason@redhat.com>
16898 * tree-inline.c (declare_return_variable): Just don't use the
16899 modify target if it's a gimple complex reg and the return slot
16902 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16904 * doc/contrib.texi: Update my entry.
16906 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16908 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16910 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16912 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16915 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16917 * doc/invoke.texi (-floop-optimize2): Removed.
16918 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16919 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16920 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16921 * common.opt (floop-optimize2): Removed.
16922 (fmove-loop-invariants): Enabled by default.
16924 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16926 * tree-if-conv.c (combine_blocks): Free the result of
16927 get_loop_exit_edges.
16929 2006-02-10 Jeff Law <law@redhat.com>
16931 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16933 PR tree-optimization/26213
16934 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16935 loop trying to follow SSA_NAME_VALUE chains.
16937 2006-02-10 Richard Guenther <rguenther@suse.de>
16939 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16940 deal with structures that end in implicitly variable sized arrays.
16942 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16944 PR rtl-optimization/24762
16945 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16948 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16950 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16951 (struct ivopts_data): Add regs_used field.
16952 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16953 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16954 instead of loop_data->regs_used;
16955 (free_loop_data): Do not free aux fields for loops.
16956 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16957 and tree_ssa_iv_optimize_finalize.
16959 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16961 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16963 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16966 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16967 computing the effective result type.
16969 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16971 PR inline-asm/16194
16972 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16973 (tree_overlaps_hard_reg_set): Declare.
16974 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16975 type and signature to match function type expected by walk_tree.
16976 (tree_overlaps_hard_reg_set): New function.
16977 (decl_conflicts_with_clobbers_p): Rename to:
16978 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16979 Use tree_overlaps_hard_reg_set. Changed caller.
16980 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16981 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16982 * cris.c (cris_md_asm_clobbers): Likewise.
16984 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16986 * reload1.c (emit_input_reload_insns): Delete code that tries to
16987 inherit using find_equiv_reg.
16989 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16991 * c-common.h (flag_const_strings): Don't declare.
16992 * c-common.c (flag_const_strings): Remove.
16993 * c.opt (fconst_strings): Remove.
16994 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16995 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16996 (c_common_init_options): Don't set flag_const_strings.
16997 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16999 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17001 * arm.md (tlobits_cbranch): New pattern.
17002 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17003 testing a single bit.
17005 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17008 * tree-ssa-pre.c (create_component_ref_by_pieces):
17009 Handle RETURN_DECL like VAR_DECL.
17011 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17013 PR middle-end/26134
17014 * fold-const.c (fold_indirect_ref_1): Fold
17015 "*(foo *)&complexfoo" to "__real__ complexfoo"
17016 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17018 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17020 * tree-flow-inline.h (var_can_have_subvars):
17021 Volatile variables should not have subvariables.
17023 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17026 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17027 multiplying unsigned values.
17030 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17032 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17034 2006-02-08 Jason Merrill <jason@redhat.com>
17037 * tree.def: Elaborate on difference from MODIFY_EXPR.
17038 * doc/c-tree.texi (INIT_EXPR): Likewise.
17039 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17040 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17041 (gimplify_target_expr): Likewise.
17042 (gimplify_cond_expr): Remove target handling.
17043 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17044 (gimplify_expr): Clobber it here.
17045 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17046 Do return slot optimization if we have an INIT_EXPR.
17049 * tree-inline.c (declare_return_variable): Also clear
17050 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17053 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17055 PR middle-end/22439
17056 * gimplify.c (gimplify_one_sizepos): Fix typo.
17058 2006-02-08 Jeff Law <law@redhat.com>
17060 PR tree-optimization/21417
17061 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17062 across a backedge if the control statement at the end of the
17063 block is data dependent on other statements in the same block.
17064 (record_temporary_equivalences_from_stmts): Remove over-conservative
17065 test for threading across backedges.
17067 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17068 control statement, handle all three special cases in the same
17069 manner as they all have the same desired solution. No longer
17070 special case edge flag updating when the post dominator is
17073 2006-02-08 Roger Sayle <roger@eyesopen.com>
17075 * tree.def (CHAR_TYPE): Remove.
17076 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17077 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17078 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17079 (gen_string_type_die): Delete unreachable function.
17081 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17082 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17083 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17084 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17085 * builtins.c (type_to_class): Likewise.
17086 * fold-const.c (fold_convert, build_range_check,
17087 merge_ranges): Likewise.
17088 * expr.c (count_type_elements): Likewise.
17089 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17090 * stor-layout.c (layout_type): Likewise.
17091 * ipa-type-escape.c (type_to_consider): Likewise.
17092 * gimplify.c (omp_firstprivatize_type_sizes,
17093 gimplify_type_sizes): Likewise.
17094 * explow.c (promote_mode): Likewise.
17095 * tree-sra.c (is_sra_scalar_type): Likewise.
17096 * varasm.c (output_constant): Likewise.
17097 * tree-inline.c (remap_type_1): Likewise.
17098 * convert.c (convert_to_pointer, convert_to_real,
17099 convert_to_integer, convert_to_complex): Likewise.
17101 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17103 * df-scan.c (df_def_record_1): A set destination may
17104 be a parallel regardless of mode.
17106 2006-02-08 Roger Sayle <roger@eyesopen.com>
17109 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17110 * config/mips/_tilib.c: Remove.
17111 * config/fixtfdi.c: New libgcc source file.
17112 * config/fixunstfdi.c: New source file.
17113 * config/floatditf.c: New source file.
17114 * config/floatunditf.c: New souce file.
17115 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17116 files above instead of config/mips/_tilib.c.
17117 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17119 2006-02-08 Jeff Law <law@redhat.com>
17121 PR tree-optimization/26169
17122 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17125 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17127 * df.h (DF_REG_SIZE): Return the length of the initialized
17130 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17132 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17133 __muldf3): Return a correctly signed zero.
17135 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17137 * passes.c (register_one_dump_file): Accept the current properties
17138 instead of pass number. Adjust call to dump_register. Remove
17140 (register_dump_files): Now a wrapper around...
17141 (register_dump_files_1): ... this one. Do not modify the pass
17143 (next_pass_1): Cosmetic fix.
17144 (execute_todo): Keep second parameter only. Use curr_properties
17145 instead of fetching it from the pass structure. Check and set
17147 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17148 instead of fetching it from the pass structure. Fix calls to
17149 execute_todo. Update curr_properties and initialize .vcg RTL dump
17150 after running the pass. Reset last_verified.
17151 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17153 (FIRST_AUTO_NUMBERED_DUMP): New.
17154 (dump_register): Remove "num" parameter, assign it within the
17156 (get_dump_file_name): Modify template for dumps.
17157 * tree-dump.h (dump_register): Adjust prototype.
17158 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17159 (PROP_trees): Add PROP_gimple_lomp.
17160 (TODO_set_props): New.
17161 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17162 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17163 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17165 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17167 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17168 (sparc64-*-linux*): Likewise.
17169 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17170 * config/sparc/t-linux: New file.
17171 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17172 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17173 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17174 -m32 -mlong-double-128.
17176 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17177 * config/alpha/t-linux: New file.
17178 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17180 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17181 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17182 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17183 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17184 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17185 (CPP_ARCH32_SPEC): Remove.
17187 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17189 PR tree-optimization/26145
17190 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17193 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17196 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17197 >= 240000 when generating code for SOM runtime.
17198 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17199 to $$dyncall when generating code for SOM runtime..
17201 2006-02-07 Dirk Mueller <dmueller@suse.com>
17204 * doc/invoke.texi (-Wsequence-point): Update documentation
17205 that -Wsequence-point is implemented for C++ as well.
17207 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17209 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17210 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17211 (LIB_SPEC): Likewise.
17212 * doc/invoke.texi (SPARC options): Document -pthread.
17214 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17216 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17219 2006-02-07 Roger Sayle <roger@eyesopen.com>
17221 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17222 Correct comment describing BOOLEAN_TYPE.
17224 2006-02-07 Dirk Mueller <dmueller@suse.com>
17226 * c.opt: C++ frontend supports -Wdiv-by-zero.
17227 * c-opts.c (c_common_handle_option): Remove dead case.
17229 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17231 * configure.ac (TLS assembler check): Do not enable TLS by
17232 default on SPARC/Solaris before version 10.
17233 * configure: Regenerate.
17235 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17237 * doc/invoke.texi (xl-compat): Document conversion and support
17240 2006-02-07 Jeff Law <law@redhat.com>
17242 * tree-vrp.c (find_conditional_asserts): Update comments.
17243 (simplify_stmt_for_jump_threading): New.
17244 (identify_jump_threads, finalize_jump_threads): New.
17245 (vrp_finalize): Call identify_jump_threads.
17246 (execute_vrp): Call finalize_jump_threads.
17247 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17248 (vrp_element, vrp_data, vrp_element_p): Remove.
17249 (vrp_hash_elt, vrp_variables_stack): Remove.
17250 (vrp_hash, vrp_eq, record_range): Remove.
17251 (simplify_cond_and_lookup_avail_expr): Remove.
17252 (extract_range_from_cond): Remove.
17253 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17254 (simplify_stmt_for_jump_threading): New.
17255 (dom_thread_across_edge): New wrapper.
17256 (tree_ssa_dominator_optimize): No longer initialize or
17257 finalize any of the VRP datastructures. Remove iteration
17258 step and simplify as a result of removal of iteration step.
17259 (pass_dominator): Perform a cfg cleanup after DOM.
17260 (dom_opt_finalize_block): Use the new common routines
17261 for threading jumps. Simplify stack management slightly.
17262 No longer need to unwind VRP state.
17263 (record_equivalences_from_incoming_edge): No longer record
17265 (eliminate_redundant_computations): No longer call
17266 simplify_cond_and_lookup_avail_expr.
17267 * tree-flow.h (potentially_threadable_block): Prototype.
17268 (thread_across_edge): Likewise.
17269 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17270 (tree-ssa-threadedge.o): Add dependencies.
17271 * tree-ssa-threadedge.c: New file.
17272 * passes.c (init_optimization_passes): Merge PHIs before
17273 calling VRP. Run VRP again late in the SSA optimization pipeline.
17275 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17277 * df-core.c (df_set_blocks): Do not dereference function pointers.
17278 (df_finish1): Likewise.
17279 (df_hybrid_search_forward): Likewise.
17280 (df_hybrid_search_backward): Likewise.
17281 (df_iterative_dataflow): Likewise.
17282 (df_analyze_problem): Likewise.
17283 (df_compact_blocks): Likewise.
17284 (df_dump): Likewise.
17285 * df-scan.c (df_rescan_blocks): Likewise.
17286 (df_record_entry_block_defs): Likewise.
17288 * genconditions.c (write_conditions): Guard the definition of
17289 'insn_conditions' with the check on GCC version.
17290 (write_writer): Guard the traversal 'insn_conditions' with
17291 the check on GCC version.
17293 2006-02-07 Richard Guenther <rguenther@suse.de>
17297 2006-01-30 Richard Guenther <rguenther@suse.de>
17299 * gimplify.c (gimplify_target_expr): Handle easy cases
17300 without creating a temporary.
17302 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17304 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17305 use of float in probability computations. Use edge probabilities
17306 in place of statically computed probabilities.
17307 (min_spec_prob): New static variable.
17308 (schedule_insns): Initialize it.
17309 (GET_SRC_PROB): Removed.
17310 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17312 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17315 * config/ia64/unwind-ia64.c: Revert last change.
17316 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17317 (INCOMING_FRAME_SP_OFFSET): Define.
17319 2006-02-06 Roger Sayle <roger@eyesopen.com>
17321 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17323 2006-02-07 Ben Elliston <bje@au.ibm.com>
17325 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17326 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17327 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17328 (ix86_return_in_memory): Handle TDmode.
17329 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17330 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17332 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17334 * reorg.c (dbr_schedule): Use dump_file instead of file.
17336 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17339 * config/ia64/predicates.md (extr_len_operand): New predicate.
17340 * config/ia64/ia64.md (extv): Tighten constraints.
17342 (*tbit_and_2): Ditto.
17343 (*tbit_and_3): Ditto.
17344 (*tbit_or_2): Ditto.
17345 (*tbit_or_3): Ditto.
17346 (*bit_zero): Ditto.
17349 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17352 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17354 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17356 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17357 loop_optimizer_init and loop_optimizer_finalize
17358 * tree-ssa-sink.c (execute_sink_code): Ditto.
17359 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17360 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17361 tree_ssa_loop_done): Ditto.
17362 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17363 * sched-ebb.c: Include output.h.
17364 (schedule_ebbs): Do not use dump argument.
17365 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17366 * loop.c (loop_dump_stream): Removed.
17367 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17369 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17370 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17371 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17372 loop_iterations, strength_reduce, record_biv, record_giv,
17373 final_giv_value, check_final_value, check_ext_dependent_givs,
17374 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17375 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17376 dump_file instead of loop_dump_stream.
17377 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17378 argument dump_file.
17379 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17381 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17382 * haifa-sched.c: Include output.h
17383 (schedule_insns, sched_init): Do not use dump argument.
17384 * mode-switching.c (optimize_mode_switching): Ditto.
17385 * modulo-sched.c (stats_file): Removed.
17386 (print_node_sched_params): Do not call argument dump_file.
17387 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17388 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17390 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17392 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17393 rtl_loop_init, rtl_loop_done): Ditto.
17394 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17395 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17397 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17398 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17399 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17400 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17401 * emit-rtl.c (renumber_insns): Ditto.
17402 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17403 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17404 * regclass.c (regclass): Ditto.
17405 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17406 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17407 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17408 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17410 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17411 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17413 * gcse.c (gcse_file, debug_stderr): Removed.
17414 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17415 rest_of_handle_gcse): Do not use dump argument.
17416 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17417 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17418 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17419 compute_code_hoist_vbeinout, compute_code_hoist_data,
17420 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17421 compute_store_table, build_store_vectors, insert_insn_start_bb,
17422 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17423 store_motion): Use dump_file instead of gcse_file.
17424 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17425 * profile.c (profile_dump_file): Removed.
17426 (branch_prob): Use dump_file instead of profile_dump_file.
17427 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17429 * tree-ssa-copy.c (dump_copy_of): Ditto.
17430 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17431 dump file to life_analysis.
17432 * bt-load.c (branch_target_load_optimize): Ditto.
17433 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17435 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17436 regclass, dbr_schedule): Declaration changed.
17437 * sched-int.h (sched_init): Declaration changed.
17438 * tree-profile.c (tree_profile_dump_file): Removed.
17439 (tree_profile_hooks): Removed profile_dump_file hook.
17440 * rtl-profile (rtl_profile_dump_file): Removed.
17441 (rtl_profile_hooks): emoved profile_dump_file hook.
17442 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17444 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17445 * tree-cfg.c (build_tree_cfg): Ditto.
17446 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17447 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17448 Declaration changed.
17449 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17450 life_analysis and schedule_insns.
17451 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17453 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17455 * config/mips/mips.c (mips_reorg): Ditto.
17456 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17459 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17461 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17462 (s390_mangle_fundamental_type): New.
17463 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17466 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17467 (alpha_mangle_fundamental_type): New.
17468 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17471 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17473 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17475 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17476 (sparc_mangle_fundamental_type): New.
17478 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17480 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17481 (s390x-*-linux*): Likewise.
17482 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17483 * config/s390/t-linux: New file.
17485 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17487 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17488 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17490 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17492 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17493 (ANTIC_SAFE_LOADS): New macro.
17494 (find_or_generate_expression): Add prototype.
17495 (set_contains_value): Allow null set for sake of not always having
17496 to allocate ANTIC_SAFE_LOADS.
17497 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17498 Allow COMPONENT_REF too.
17499 (valid_in_set): Allow COMPONENT_REF.
17500 Check ANTIC_SAFE_LOADS too.
17501 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17502 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17504 (can_PRE_operation): Add COMPONENT_REF.
17505 (create_component_ref_by_pieces): New function.
17506 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17507 (insert_aux): Move AGGREGATE_TYPE_P check here.
17508 (compute_avail): Set bb local stmt uids.
17509 (pass_pre): Use TODO_update_ssa_only_virtuals.
17511 2006-02-06 Ben Elliston <bje@au.ibm.com>
17513 * configure.ac: Unconditionally disable decimal float by default.
17514 * configure: Regenerate.
17516 2006-02-06 Ben Elliston <bje@au.ibm.com>
17518 * read-rtl.c (read_name): Terminate reading on EOF.
17520 2006-02-06 Ben Elliston <bje@au.ibm.com>
17522 * dfp.c (decimal_real_arithmetic): Change second argument type
17523 from int to enum tree_code. Do not always return true, but now
17524 return result of any call to decimal_do helper functions.
17525 * dfp.h (decimal_real_arithmetic): Update prototype.
17527 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17529 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17531 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17534 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17537 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17539 * tree-vrp.c (cfg_loops): Removed.
17540 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17541 Use current_loops instead of cfg_loops. Pass flags to
17542 loop_optimizer_init.
17543 * cfgloopmanip.c (fix_loop_structure): Update only available
17545 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17546 loop_optimizer_init.
17547 * modulo-sched.c (build_loops_structure): Removed.
17548 (sms_schedule): Use loop_optimizer_init.
17549 * loop-init.c (loop_optimizer_init): Use flags to determine
17550 which properties of loops to prepare.
17551 (rtl_loop_init): Pass flags to loop_optimizer_init.
17552 * tree-ssa-sink.c (execute_sink_code): Ditto.
17553 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17554 * tree-ssa-pre.c (init_pre): Ditto.
17555 * cfgloop.h (LOOPS_NORMAL): New.
17556 (loop_optimizer_init): Declaration changed.
17558 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17560 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17561 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17563 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17565 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17567 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17568 * pa/t-pa64: Delete quadlib.c rule.
17569 * pa/x-ada: Revert last change.
17570 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17572 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17574 PR rtl-optimization/26087
17575 * rtlanal.c (canonicalize_condition): Do not cross basic block
17578 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17581 * config/ia64/ia64.c: Include debug.h.
17582 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17583 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17584 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17585 (process_epilogue, process_set, process_for_unwind_directive):
17586 Output unwind info only if requested. Add CFA info if requested.
17587 Add new arguments as needed. Adjust callers.
17588 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17590 (DWARF2_FRAME_INFO): Define to zero.
17591 * config/ia64/unwind-ia64.c: Remove code that compensated for
17592 the CFA offset error fixed above.
17593 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17594 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17595 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17596 -funwind-tables and -fexceptions to enable frame info.
17597 (dwarf2out_frame_init): Define initial CFA even if
17598 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17599 DWARF2_UNWIND_INFO is nonzero, not just defined.
17600 (dwarf2out_frame_finish): Output non-EH call frame info only
17601 if DWARF2_FRAME_INFO is nonzero.
17602 (convert_cfa_to_loc_list,
17603 compute_frame_pointer_to_cfa_displacement): Define even if
17604 unwind info is not supported.
17605 (gen_subprogram_die): Use the above unconditionally. Remove
17606 legacy alternate code.
17607 * toplev.c (compile_file): Compile in call to
17608 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17609 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17611 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17612 Jakub Jelinek <jakub@redhat.com>
17614 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17615 IBM extended float format long double as "g" on powerpc*-linux.
17617 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17620 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17621 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17623 2006-02-03 Jason Merrill <jason@redhat.com>
17626 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17628 PR middle-end/25977
17629 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17630 on the return slot if it's an NRV.
17632 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17634 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17635 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17636 rewrite_use): Do not handle USE_OUTER.
17637 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17638 add_iv_outer_candidates, may_replace_final_value,
17639 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17640 (find_interesting_uses_op): Functionality of
17641 find_interesting_uses_outer_or_nonlin moved here.
17642 (find_interesting_uses_outside): Use find_interesting_uses_op.
17644 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17647 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17649 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17650 Ulrich Weigand <uweigand@de.ibm.com>
17653 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17654 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17655 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17656 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17658 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17659 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17660 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17661 Define secondary reloads for TFmode moves.
17662 (constant_modes): Add TFmode.
17663 (NR_C_MODES): Set to 8.
17664 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17666 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17667 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17668 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17669 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17670 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17671 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17672 (FPR mode macro): Add TFmode.
17673 (DSF mode macro): New.
17674 (<de>, <dee> mode attributes): Removed.
17675 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17676 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17677 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17678 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17679 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17680 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17681 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17682 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17683 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17684 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17685 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17686 "*negabs<mode>2", "sqrt<mode>2"):
17687 Changed <de> to <xde>. R constraint replaced by <Rf>.
17688 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17690 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17691 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17692 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17694 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17695 "extenddftf2", "extendsftf2"): New expanders.
17696 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17697 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17698 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17699 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17701 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17702 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17703 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17704 __floatditf): Add a GCC_4.1.0 symbol version tag.
17705 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17708 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17711 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17712 Use targetm.binds_local_p instead of TREE_PUBLIC.
17714 2006-02-02 Roger Sayle <roger@eyesopen.com>
17716 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17717 on INTEGER_TYPEs to indicate that it denotes a character type.
17718 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17719 signed_char_type_node, unsigned_char_type_node and char_type_node.
17720 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17721 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17722 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17724 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17725 Daniel Berlin <dberlin@dberlin.org>
17727 * tree-tailcall.c (arg_needs_copy_p): New function.
17728 (eliminate_tail_call): Use arg_needs_copy_p.
17729 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17730 (add_virtual_phis): New function.
17732 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17734 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17735 #ignore instead of #scratch for %g7 .register directive.
17737 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17739 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17742 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17744 * flow.c (calculate_global_regs_live): Assert that there aren't any
17747 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17749 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17750 what its name says.
17751 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17752 bsi_after_labels iterator.
17753 * tree-if-conv.c (find_phi_replacement_condition,
17754 replace_phi_with_cond_modify_expr): Likewise.
17755 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17756 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17758 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17760 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17762 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17765 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17766 array after growing it.
17768 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17770 PR middle-end/24901
17771 * fold-const.c (fold_checksum_tree): Change type of buf.
17773 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17775 * reload.c (push_secondary_reload): Initialize t_icode.
17777 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17779 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17780 -msoft-float -mlong-double-128 only issue a warning, but don't
17781 swich to DFmode long double.
17783 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17785 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17786 has a constant equivalent, iterate over equivalents for arg0,
17787 calling simplify_relational_operation and if there's a result
17788 cheaper than X, apply fold_rtx and return the result.
17790 2006-02-01 Jan Hubicka <jh@suse.cz>
17792 * opts.c (no_unit_at_a_time_default): New global variable.
17793 (decode_options): Use it.
17794 * opts.h (no_unit_at_a_time_default): Declare.
17796 2006-02-01 Paul Brook <paul@codesourcery.com>
17798 * function.c (assign_parm_setup_reg): Use function argument promotion
17800 * expr.c (expand_expr_real_1): Use function argument promotion rules
17803 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17805 * gcc.c (process_command): Change j to 'unsigned int'.
17807 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17809 PR middle-end/26001
17810 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17811 Use the corrected index for the character
17812 out of the string constant.
17814 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17816 * mode-switching.c (optimize_mode_switching): Fix size
17817 allocated for bb_info[n_entities].
17819 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17821 * gcc.c (main): Correct type that is allocated for
17822 explicit_link_files.
17824 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17826 * config/s390/s390.c (init_alignment_context): Set
17827 ALIAS_SET_MEMORY_BARRIER on the MEM.
17828 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17830 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17832 PR middle-end/25933
17833 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17835 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17838 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17840 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17841 * regrename.c: Ditto.
17842 * tree-ssa-loop-im.c: Ditto.
17843 * tree-dump.c: Ditto.
17844 * tree-complex.c: Ditto.
17845 * genrecog.c: Ditto.
17846 * tree-ssa-threadupdate.c: Ditto.
17848 * java/class.c: Ditto.
17849 * java/jcf-parse.c: Ditto.
17850 * java/resource.c: Ditto.
17851 * java/except.c: Ditto.
17852 * java/jvspec.c: Ditto.
17853 * java/jcf-write.c: Ditto.
17854 * java/jcf-path.c: Ditto.
17855 * java/gjavah.c: Ditto.
17856 * java/zextract.c: Ditto.
17857 * java/jcf-io.c: Ditto.
17858 * java/jcf.h: Ditto.
17859 * java/buffer.c: Ditto.
17860 * java/lang.c: Ditto.
17861 * java/parse-scan.y: Ditto.
17862 * java/lex.c: Ditto.
17863 * java/lex.h: Ditto.
17864 * cfgloopmanip.c: Ditto.
17865 * postreload-gcse.c: Ditto.
17866 * tree-ssa-loop-manip.c: Ditto.
17867 * postreload.c: Ditto.
17868 * tree-ssa-loop-ch.c: Ditto.
17871 * cppspec.c: Ditto.
17872 * diagnostic.c: Ditto.
17874 * genoutput.c: Ditto.
17876 * cfghooks.c: Ditto.
17877 * cfgloopanal.c: Ditto.
17878 * objc/objc-act.c: Ditto.
17880 * genextract.c: Ditto.
17881 * genautomata.c: Ditto.
17882 * pretty-print.c: Ditto.
17883 * genemit.c: Ditto.
17884 * cgraphunit.c: Ditto.
17886 * df-scan.c: Ditto.
17887 * haifa-sched.c: Ditto.
17888 * dominance.c: Ditto.
17890 * tree-ssa-loop-ivopts.c: Ditto.
17891 * df-core.c: Ditto.
17892 * mode-switching.c: Ditto.
17893 * modulo-sched.c: Ditto.
17895 * ipa-pure-const.c: Ditto.
17897 * fix-header.c: Ditto.
17899 * tree-stdarg.c: Ditto.
17900 * ipa-utils.c: Ditto.
17901 * loop-init.c: Ditto.
17902 * ipa-inline.c: Ditto.
17903 * cfganal.c: Ditto.
17905 * alloc-pool.c: Ditto.
17906 * dwarf2out.c: Ditto.
17908 * genattrtab.c: Ditto.
17909 * tree-ssa-loop-ivcanon.c: Ditto.
17910 * predict.c: Ditto.
17911 * timevar.c: Ditto.
17913 * fortran/gfortranspec.c: Ditto.
17914 * regmove.c: Ditto.
17915 * local-alloc.c: Ditto.
17916 * langhooks.c: Ditto.
17917 * function.c: Ditto.
17918 * tree-vectorizer.c: Ditto.
17920 * ipa-type-escape.c: Ditto.
17922 * tree-if-conv.c: Ditto.
17923 * profile.c: Ditto.
17925 * tree-data-ref.c: Ditto.
17926 * loop-unroll.c: Ditto.
17927 * treelang/treetree.c: Ditto.
17929 * bt-load.c: Ditto.
17930 * ggc-common.c: Ditto.
17932 * coverage.c: Ditto.
17934 * tree-cfgcleanup.c: Ditto.
17935 * tree-ssa-pre.c: Ditto.
17936 * cfgcleanup.c: Ditto.
17937 * loop-invariant.c: Ditto.
17938 * loop-iv.c: Ditto.
17939 * ipa-prop.c: Ditto.
17940 * print-tree.c: Ditto.
17941 * conflict.c: Ditto.
17942 * ggc-page.c: Ditto.
17943 * sched-deps.c: Ditto.
17944 * regclass.c: Ditto.
17945 * tree-object-size.c: Ditto.
17946 * combine.c: Ditto.
17947 * bb-reorder.c: Ditto.
17948 * resource.c: Ditto.
17949 * var-tracking.c: Ditto.
17950 * cfgloop.c: Ditto.
17951 * df-problems.c: Ditto.
17952 * reg-stack.c: Ditto.
17954 * gccspec.c: Ditto.
17955 * sched-rgn.c: Ditto.
17956 * tree-ssa-structalias.c: Ditto.
17957 * tree-ssa-reassoc.c: Ditto.
17958 * config/darwin-c.c: Ditto.
17959 * config/darwin.c: Ditto.
17960 * config/arm/arm.c: Ditto.
17962 * collect2.c: Ditto.
17963 * reload1.c: Ditto.
17965 2006-01-31 Nicolas Pitre <nico@cam.org>
17967 * arm.md (smaxsi3): Make aware of smax_m1.
17970 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17972 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17974 2006-01-31 Richard Guenther <rguenther@suse.de>
17976 * doc/invoke.texi (-msselibm): Document.
17977 * target.h (expand_library_builtin): New target hook.
17978 * builtins.c (expand_builtin): Use expand_library_builtin.
17979 (default_expand_library_builtin): New function.
17980 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17981 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17982 (link_gcc_math_spec): Declare.
17983 (static_specs): Add link_gcc_math_spec.
17984 * expr.h (default_expand_library_builtin): Declare.
17985 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17986 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17987 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17988 * config/i386/i386.opt (msselibm): New target option.
17989 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17990 (ix86_init_sse_abi_builtins): New function.
17991 (ix86_expand_library_builtin): Likewise.
17992 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17993 (override_options): Handle error conditions wrt -msselibm.
17994 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17995 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17996 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17999 2006-01-31 Richard Guenther <rguenther@suse.de>
18000 Paolo Bonzini <bonzini@gnu.org>
18002 * doc/install.texi (--disable-libgcc-math): Document.
18004 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18006 * expr.h (expand_normal): new inline function.
18007 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18008 * dojump.c: use it.
18009 * dwarf2out.c: use it.
18012 * expmed.c: use it.
18013 * except.c: use it.
18014 * config/sparc/sparc.c: use it.
18015 * config/i386/i386.c: use it.
18016 * config/rs6000/rs6000.c: use it.
18017 * config/arm/arm.c: use it.
18018 * config/mips/mips.c: use it.
18019 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18021 2006-01-30 Roger Sayle <roger@eyesopen.com>
18023 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18024 argv to the appropriate type.
18026 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18028 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18031 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18034 * config/s390/s390.c (struct machine_function): New flag
18035 decomposed_literal_pool_addresses_ok_p.
18036 (s390_reorg): Set it before final stage of literal pool transforms.
18037 (s390_decompose_address): Only accept displacements of the form
18038 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18040 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18042 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18043 the comparison routine return.
18045 2006-01-30 Michael Matz <matz@suse.de>
18047 * global.c (find_reg): Only evict for global regs.
18048 Take n_refs into account and dump more info.
18050 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18053 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18054 (pragma_trap, pragma_nosave_low_regs): Likewise.
18055 (current_function_anonymous_args): Likewise.
18056 (sh_deferred_function_attributes): New variable.
18057 (sh_deferred_function_attributes_tail): Likewise.
18058 (print_operand): For '@', look up trap_exit attribute.
18059 (calc_live_regs): Look up trapa_handler attribute. For trapa
18060 handlers, save/restore fpscr, but don't do any other
18061 interrupt-specific saves.
18062 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18063 Fix check for partially saved registers to check for SHmedia.
18064 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18065 (sh_output_function_epilogue): Don't clear any of the removed
18067 (sh_insert_attributes): Don't check pragma_interrupt.
18068 Insert deferred attributes. Check that interrupt attribute is
18069 present for other attributes that require its presence.
18070 (sh_attribute_table): Add new attributes trapa_handler and
18072 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18073 Don't check for pragma_interrupt. Don't store argument.
18074 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18075 (sh_deferred_function_attributes): Declare.
18076 (sh_deferred_function_attributes_tail): Likewise.
18077 * sh.md (sp_switch_1): Add operand. Change generator caller.
18078 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18079 (*return_i): Don't use when trap_exit attribute is in effect.
18080 (*return_trapa): New insn pattern.
18081 * sh-c.c: New file.
18082 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18083 setting c_target_objs and cxx_target_objs.
18084 * t-sh: Add rule for sh-c.o.
18086 2006-01-30 Richard Guenther <rguenther@suse.de>
18089 * gimplify.c (gimplify_target_expr): Handle easy cases
18090 without creating a temporary.
18092 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18094 * vec.h (safe_grow): Remove duplicated line.
18096 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18099 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18100 (expand_omp): ... here.
18101 (expand_omp_parallel): Only remove barriers for combined
18102 parallel+workshare constructs.
18104 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18108 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18109 * tree.c (build_qualified_type): Chain the new type to the original
18110 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18111 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18112 (build_pointer_type_for_mode): Only return unqualified types.
18113 (build_reference_type_for_mode): Likewise.
18115 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18117 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18118 * Makefile.in (CXX_COMPAT_WARN): Define.
18119 * configure: Regenerate.
18121 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18124 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18127 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18129 * toplev.c: Fix thinko.
18131 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18132 Marcin Dalecki <martin@dalecki.de>
18134 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18135 (push_srcloc): Use XNEW.
18136 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18138 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18140 * df-core.c (df_set_blocks): Deleted all variable.
18142 2006-01-28 Ian Lance Taylor <ian@airs.com>
18144 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18145 cgraph_output_pending_asms.
18147 2006-01-28 Zack Weinberg <zackw@panix.com>
18149 * c.opt: Add -W(no-)overlength-strings.
18150 * doc/invoke.texi: Document it.
18151 * c-opts.c (c_common_handle_option): -pedantic implies
18152 -Woverlength-strings, if not explicitly disabled already.
18153 (c_common_post_options): -Woverlength-strings defaults to off, and
18154 is always off for C++.
18155 * c-common.c (fix_string_type): Issue warning about strings longer
18156 than is portable only if warn_overlength_strings. Rearrange code
18157 a little for clarity.
18158 * configure.in: Check for -Wno-overlength-strings as well before
18159 enabling -pedantic in stage 1.
18160 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18161 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18163 * genconditions.c (write_header, write_one_condition)
18164 (write_conditions, write_writer): Consolidate very long strings
18165 that were broken up to fit in C89 portable limit. Don't use
18166 printf when fputs will do.
18168 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18170 * combine.c (simplify_comparison <AND>): Check
18171 TRULY_NOOP_TRUNCATION before start using a subreg.
18173 * config/mips/mips.md (*branch_zero<mode>,
18174 *branch_zero<mode>_inverted, *branch_equality<mode>,
18175 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18176 Remove mode check from comparisons.
18178 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18180 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18182 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18184 * expmed.c (const_mult_add_overflow_p): Remove.
18185 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18187 * recog.c (validate_replace_rtx_subexp): Remove.
18188 * recog.h: Remove the prototype for
18189 validate_replace_rtx_subexp.
18191 * integrate.h: Remove the prototype for
18192 copy_decl_for_inlining.
18193 * rtl.h: Remove the prototype for mark_constant_function.
18194 * tree-vectorizer.h: Remove the prototype for
18195 vect_strip_conversion.
18197 * modulo-sched.c (create_partial_schedule,
18198 free_partial_schedule, reset_partial_schedule): Make them
18201 * hooks.c (hook_bool_rtx_int_false): Remove.
18202 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18204 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18206 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18207 and -mlong-double-128 are incompatible.
18208 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18209 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18210 (TARGET_LIBGCC2_CFLAGS): Define.
18211 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18212 (TARGET_LIBGCC2_CFLAGS): Same.
18213 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18215 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18218 * c-typeck.c (build_binary_op): Perform implicit casts of
18219 operands before shortening them.
18221 * cfgloopmanip.c (split_loop_bb): Remove.
18222 * cfgloop.h: Remove the prototype for split_loop_bb.
18224 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18225 * cfgloop.h: Remove the prototype for
18226 flow_loop_outside_edge_p.
18228 * emit-rtl.c (init_virtual_regs): Make it static.
18229 * function.h: Remove the prototype for init_virtual_regs.
18231 * recog.c (peephole2_optimize): Make it static.
18232 * recog.h: Remove the prototype for peephole2_optimize.
18234 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18236 * df-scan.c (df_record_entry_block_defs): Check if
18237 INCOMING_RETURN_ADDR_RTX is defined.
18239 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18240 Kenneth Zadeck <zadeck@naturalbridge.com>
18242 PR rtl-optimization/24762
18243 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18244 * targhooks.c (hook_void_bitmap): New hook prototype.
18245 * targhoohs.h (hook_void_bitmap): Ditto.
18246 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18247 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18248 * target.h (live_on_entry): New function pointer.
18249 * df-scan.c (df_all_hard_regs): Removed.
18250 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18251 (df_scan_free_internal): Added df->entry_block_defs.
18252 (df_scan_alloc): Ditto.
18253 (df_scan_dump): Ditto.
18254 (df_uses_record): Plumbed flag field properly thru calls.
18255 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18256 This part fixes PR24762.
18257 (df_bb_refs_record): Added code to make the frame and arg
18258 pointers live in EH blocks.
18259 (df_refs_record): Added call to df_record_entry_block_defs.
18260 (df_record_entry_block_defs): New function.
18261 * df-core.c: Added comments to describe new artifical defs.
18262 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18263 (entry_block_defs): New field in struct df.
18264 (df_all_hard_regs): Deleted.
18265 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18266 * df-problems.c (df_ru_bb_local_compute_process_def):
18267 Added code to handle artifical defs in the entry to a function.
18268 (df_ru_bb_local_compute): Ditto.
18269 (df_rd_bb_local_compute_process_def): Ditto.
18270 (df_rd_bb_local_compute): Ditto.
18271 (df_lr_bb_local_compute): Ditto.
18272 (df_ur_bb_local_compute): Ditto.
18273 (df_urec_bb_local_compute): Ditto.
18274 (df_chain_create_bb): Ditto.
18275 (df_ur_local_finalize): Removed entry.
18276 (df_urec_init): Ditto.
18277 (df_urec_local_finalize): Ditto.
18278 (df_ri_bb_compute): Added detection of last use of pseudos.
18279 * Makefile.in (df-scan.o): Updated dependencies.
18280 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18281 * config/mips/mips.c (mips_set_live_on_entry): Added.
18282 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18284 * dce.c (marked_insn_p): Added code to handle artifical defs.
18286 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18288 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18290 (_mm_cvtsi128_si64): Likewise.
18291 (_mm_cvtsd_si64): Likewise.
18292 (_mm_cvttsd_si64): Likewise.
18293 (_mm_cvtsi64_sd): Likewise.
18294 (_mm_cvtsi64_si128): Likewise.
18295 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18296 (_mm_cvtsi64_m64): Likewise.
18297 (_m_to_int64): Likewise.
18298 (_mm_cvtm64_si64): Likewise.
18299 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18300 (_mm_cvttss_si64): Likewise.
18301 (_mm_cvtsi64_ss): Likewise.
18302 (_mm_cvtss_f32): Likewise.
18304 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18306 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18307 for pragma redefine_extname.
18309 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18312 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18313 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18314 -mno-minimal-toc to previous content.
18315 (bispecs): Remove goal.
18316 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18317 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18318 compatibility aliases on powerpc-*-*gnu*.
18319 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18320 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18321 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18322 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18323 (ldblspecs): New goal.
18324 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18325 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18327 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18328 L_sf_to_tf or L_df_to_tf is defined.
18330 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18331 Alan Modra <amodra@bigpond.net.au>
18334 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18335 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18336 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18337 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18338 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18339 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18340 (rs6000_override_options): Initialize rs6000_ieeequad.
18341 Initialize TFmode format to ibm_extended_format if not
18343 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18345 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18346 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18347 (function_arg_advance): IBM long double passed in two FPRs, not
18349 (function_arg): IBM long double passed in FPRs.
18350 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18351 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18352 Only multireg GPR aligned.
18353 (rs6000_init_libfuncs): Enable IBM long double functions if not
18355 (rs6000_generate_compare): Use IBM long double compare if not
18357 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18358 (TARGET_IEEEQUAD): Define.
18359 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18360 not TARGET_IEEEQUAD.
18361 * config/rs6000/rs6000.md: Enable TFmode patterns if
18363 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18364 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18365 and -mlong-double-128 are incompatible.
18366 * doc/invoke.texi (-mabi): Collect options together. Add
18367 ibmlongdouble and ieeelongdouble.
18369 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18371 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18373 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18374 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18375 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18376 * rtl.h (rtunion_def): Remove rt_ptr.
18378 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18379 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18380 * config/i386/winnt.c (i386_pe_mark_dllexport)
18381 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18383 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18385 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18387 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18391 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18392 pthread_key_delete. From John David Anglin. gthrw-ify
18393 pthread_getunique_np only if it it's not a macro. Delete
18395 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18396 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18397 __gthread_objc_condition_signal, __gthread_key_delete): Add
18398 "__attribute__ ((__unused__))" to unused arguments.
18399 (__gthread_recursive_mutex_init_function): Add missing return.
18400 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18401 gthr-posix95.h: Use macro-based approach for name redirection
18402 on targets missing weakref.
18404 2006-01-26 Zack Weinberg <zackw@panix.com>
18406 * genconditions.c (write_header): In generated code, #ifdef out
18407 all includes and fake declarations, except includes of bconfig.h
18408 and system.h, unless GCC_VERSION >= 3001. Do not include
18409 gensupport.h in any case.
18410 (write_conditions): Generate a definition of struct c_test. Add
18411 a comment to the generated #endif.
18412 (write_one_condition): Escape backslashes in string too.
18413 (write_writer): Generated code must escape backslashes and quote
18414 marks (but not newlines) in the strings it writes.
18415 * Makefile.in (build/gencondmd.o): Update dependencies.
18417 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18420 * Makefile.in (insn-automata.o): Add header file dependencies.
18421 * genautomata.c: Add includes.
18423 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18426 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18428 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18430 * configure.ac: Expect target tools paths to be passed from the toplevel
18431 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18433 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18435 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18438 * c.opt (Wpointer-sign): Init to -1.
18439 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18440 OPT_pedantic, to 0 otherwise.
18441 * doc/invoke.texi: Update.
18443 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18445 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18446 constants provided by 80387 instructions in the destination mode.
18448 2006-01-26 Richard Guenther <rguenther@suse.de>
18449 Andrew Pinski <pinskia@physics.uc.edu>
18452 partial PR tree-opt/17064
18453 * tree-ssa-structalias.c (intra_create_variable_infos):
18454 Create heap variables for incoming parameters if
18455 flag_argument_noalias > 1.
18456 (find_what_p_points_to): Look through default defs of
18459 2006-01-26 Jeff Law <law@redhat.com>
18462 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18463 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18464 within the VR_RANGE, use the VR_RANGE as the result, not the
18466 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18467 bounds for the type.
18469 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18471 * tree-ssa-alias.c (maybe_create_global_var): Change
18472 subvar walking to an assertion that we don't have subvar'd variables.
18474 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18477 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18478 Use a new variable, inner. PARM_DECLs are always non-weak.
18480 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18482 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18483 --disable-checking.
18485 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18487 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18489 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18491 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18492 (smax_insn, smin_insn, smax_0, smin_0): New.
18494 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18497 * config/cris/cris.c (cris_order_for_addsi3): New function.
18498 * config/cris/cris-protos.h: Prototype it.
18499 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18500 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18501 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18502 (split for "op.S1 [rx=rx+i],ry (swapped)")
18503 (split for "op(s|u).S1 [rx=rx+i],ry")
18504 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18505 Apply cris_order_for_addsi3 when generating addsi3 insns.
18507 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18509 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18510 (TREE_BLOCK): Add call to EXPR_CHECK.
18512 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18515 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18516 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18517 (dump_omp_clauses): ... here.
18518 (dump_generic_node): Handle OMP_CLAUSE.
18519 * tree.c (omp_clause_num_ops): New.
18520 (omp_clause_code_name): New.
18521 (tree_code_size): Handle OMP_CLAUSE.
18522 (tree_size): Likewise.
18523 (make_node): Document handling of OMP_CLAUSE.
18524 (tree_node_structure): Handle OMP_CLAUSE.
18525 (omp_clause_check_failed): New.
18526 (omp_clause_range_check_failed): New.
18527 (omp_clause_operand_check_failed): New.
18528 (build_omp_clause): New.
18529 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18530 * tree.h (enum omp_clause_code): Declare.
18531 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18532 (OMP_CLAUSE_RANGE_CHECK): Define.
18533 (OMP_CLAUSE_ELT_CHECK): Define.
18534 (omp_clause_check_failed): Declare.
18535 (omp_clause_operand_check_failed): Declare.
18536 (omp_clause_range_check_failed): Declare.
18537 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18538 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18539 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18540 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18541 (OMP_CLAUSE_IF_EXPR): Likewise.
18542 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18543 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18544 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18545 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18546 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18547 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18548 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18549 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18550 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18551 (OMP_CLAUSE_CODE): Define.
18552 (OMP_CLAUSE_SET_CODE): Define.
18553 (OMP_CLAUSE_CODE): Define.
18554 (OMP_CLAUSE_OPERAND): Define.
18555 (struct tree_omp_clause): Declare.
18556 (union tree_node): Add field 'omp_clause'.
18557 * treestruct.def (TS_OMP_CLAUSE): Define.
18558 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18559 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18560 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18561 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18562 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18563 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18564 (OMP_CLAUSE): Define.
18565 * print-tree.c (print_node): Handle OMP_CLAUSE.
18566 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18567 * c-typeck.c: Likewise.
18568 * gimplify.c: Likewise.
18569 * c-omp.c: Likewise.
18570 * tree-nested.c: Likewise.
18571 * tree-inline.c: Likewise.
18572 * c-parser.c: Likewise.
18573 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18576 2006-01-25 Roger Sayle <roger@eyesopen.com>
18578 PR rtl-optimization/25703
18579 * combine.c (try_combine): Handle zero_extract and strict_low_part
18580 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18582 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18584 * global.c: Fix comment typos.
18586 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18589 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18590 Use output_addr_const instead of assemble_name.
18592 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18594 * Makefile.in (sched-vis.o): Update dependencies.
18595 * haifa-sched.c (sched_finish): Clear current_sched_info.
18596 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18597 (dump_flow_info): Call it.
18598 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18600 * basic-block.h (dump_bb_info): Declare.
18601 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18602 option, and apply options only for dump files whose TDF_RTL,
18603 TDF_TREE, or TDF_IPA bits match.
18604 * rtl.h: Declare new functions exported from sched-vis.c.
18605 * sched-vis.c: Enable also if scheduling is not used.
18606 (print_value): Print the mode of registers if not inside scheduling.
18607 (print_insn): Make it work outside the scheduler. Beautify the output
18609 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18611 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18613 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18614 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18615 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18616 depending on the value of CONSTANT_POOL_ADDRESS_P.
18617 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18619 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18620 rather than SYMBOL_REF_DECL.
18621 (rtx_constant_pool): Remove const_rtx_sym_htab.
18622 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18623 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18624 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18625 Remove handling of const_rtx_sym_htab.
18626 (find_pool_constant): Delete.
18627 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18628 rather than find_pool_constant.
18629 (get_pool_constant_for_function): Delete.
18630 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18631 find_pool_constant.
18632 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18633 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18634 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18635 (SYMBOL_REF_CONSTANT): New macro.
18636 (get_pool_constant_for_function): Delete.
18637 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18638 rather than SYMBOL_REF_DECL.
18639 (i386_pe_mark_dllimport): Likewise.
18640 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18641 rather than SYMBOL_REF_DECL.
18642 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18643 (machopic_indirect_call_target): Likewise.
18645 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18647 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18649 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18651 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18653 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18655 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18657 2006-01-24 David Daney <ddaney@avtrex.com>
18660 * configure.ac (enable_tls): New enable option.
18661 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18662 * configure: Regenerate.
18663 * doc/install.texi (--enable-tls): Document new option.
18664 (--disable-tls): Ditto.
18666 2006-01-24 Richard Henderson <rth@redehat.com>
18668 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18669 * alias.c (true_dependence): Respect it.
18670 (canon_true_dependence, write_dependence_p): Likewise.
18671 * builtins.c (get_builtin_sync_mem): Set it.
18673 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18675 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18678 2006-01-24 DJ Delorie <dj@redhat.com>
18680 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18681 for storing constants in single-bit bitfields.
18683 2006-01-25 Ben Elliston <bje@au.ibm.com>
18685 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18687 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18690 * tree-ssa-pre.c (phi_translate): Return NULL
18691 for AGGREGATE_TYPE's.
18693 2006-01-24 Zack Weinberg <zackw@panix.com>
18695 * genautomata.c (process_state_for_insn_equiv_partition):
18696 Use xcalloc for insn_arcs_array.
18697 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18698 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18700 2006-01-24 Richard Henderson <rth@redhat.com>
18702 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18703 update all callers.
18705 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18707 PR rtl-optimization/25890
18708 PR rtl-optimization/25905
18709 * combine.c (expand_compound_operation, expand_field_assignment):
18710 Fail if the bitfield's final position is out of bounds.
18712 2006-01-24 Ian Lance Taylor <ian@airs.com>
18714 PR middle-end/25930
18715 * cgraphunit.c (cgraph_output_in_order): Don't clear
18716 cgraph_asm_nodes until after asm strings have been output.
18718 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18720 * fix-header.c (read_scan_file): Add new parameter imultilib when
18721 calling register_include_chains.
18723 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18725 * omp-low.c: Update documentation.
18727 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18728 Daniel Berlin <dberlin@dberlin.org>
18732 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18733 return from the function.
18735 2006-01-22 Zack Weinberg <zackw@panix.com>
18737 * rtl.def (match_code): Add second argument.
18738 * genpreds.c (write_extract_subexp): New function.
18739 (write_match_code): Add path argument. Use write_extract_subexp.
18740 (write_predicate_expr): Pass path to write_match_code.
18741 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18742 not perform a mode test.
18743 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18744 a subexpression does not constrain the top-level code set.
18745 * read-rtl.c (read_rtx_variadic): New function.
18746 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18747 * doc/md.texi: Document new notation.
18748 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18749 (cmpsi_operand): ... here, using new notation.
18751 2006-01-22 Zack Weinberg <zackw@panix.com>
18753 * varray.c: Remove GENERATOR_FILE #ifdefs.
18755 2006-01-22 Zack Weinberg <zackw@panix.com>
18757 * genautomata.c (output_reserved_units_table): Emit nothing if
18758 description->query_units_num is zero. Remove extra blank line.
18759 (output_cpu_unit_reservation_p): Short circuit
18760 if description->query_units_num is zero.
18762 2006-01-22 Zack Weinberg <zackw@panix.com>
18764 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18765 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18766 nor any of the random handful of variables that used to be necessary
18767 when this program was linked with rtlanal.o. Prune set of forward
18768 function declarations.
18769 (struct attr_desc): Remove static_p field.
18770 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18771 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18772 (attr_string): Do not read the character one past the length of
18774 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18775 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18776 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18777 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18778 (make_automaton_attrs): New.
18779 (main): Do not call into genautomata. Call local gen_bypass
18780 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18781 Remove special case for insn_alts.
18782 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18783 varray.h (leftover from previous change). Prune set of forward
18784 function declarations. Remove state_alts fields from all
18785 structures. Remove state_alts_table from struct automaton.
18786 Make everything except main static. Do not maintain num_dfa_decls.
18787 Do not maintain state_alts fields of various structures.
18788 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18789 (add_arc): Remove state_alts argument. All callers updated.
18790 (output_reserved_units_table): Emit #ifdef here...
18791 (output_tables): ...not here. Don't generate state_alts tables.
18792 (expand_automata): Don't generate attributes.
18793 (write_automata): Don't generate state_alts functions.
18794 (main): New function.
18795 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18796 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18797 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18798 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18799 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18800 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18801 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18802 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18804 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18805 * genattrtab.h: Delete file.
18806 * Makefile.in (OBJS-common): Add insn-automata.o.
18807 (insn-automata.o): New rule.
18808 (simple_generated_c): Add insn-automata.c.
18809 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18810 (genprogmd): Add automata.
18811 (build/genattrtab): Needs no extra objects nor libraries.
18812 (build/genautomata): Needs build/vec.o and -lm.
18814 2006-01-22 Zack Weinberg <zackw@panix.com>
18816 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18817 (output_dfa_max_issue_rate, locked_states_num): Delete.
18818 (struct automaton): Add locked_states field.
18819 (output_dead_lock_vect): Save number of locked states in
18820 automaton->locked_states. If it is zero, don't print anything.
18821 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18822 (output_internal_dead_lock_func): Only test the dead_lock_vect
18823 for automata that have locked states.
18824 (output_statistics): Always print the number of locked states for
18825 each automaton. Calculate total number of locked states here.
18826 (write_automata): Don't call output_dfa_max_issue_rate.
18827 * genattrtab.c: Define length_unit_log as a const variable.
18828 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18829 max_insn_queue_index const.
18830 * final.c (length_unit_log): Declare const.
18831 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18833 2006-01-22 Zack Weinberg <zackw@panix.com>
18835 * genautomata.c: Include vec.h, not varray.h.
18836 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18837 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18838 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18839 VEC_* macros operating on appropriately typed vectors, or to
18840 malloced arrays when the size is known in advance. Const-ify
18841 many char* variables and function arguments. No functional changes.
18842 * Makefile.in (build/varray.o): Delete rule.
18843 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18844 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18846 2006-01-22 Zack Weinberg <zackw@panix.com>
18848 * gensupport.c: Define get_insn_name and record_insn_name here.
18849 (read_md_rtx): Call record_insn_name as appropriate.
18850 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18851 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18852 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18854 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18855 (BUILD_VARRAY): Delete.
18856 (genprognormal): Rename genprogmd. Fold in all programs from
18857 genprognoprint; also attrtab.
18858 (build/genattrtab): Just mention genautomata.o and varray.o.
18859 Reorganize a bit, add comments to make the categories clearer.
18861 2006-01-22 Zack Weinberg <zackw@panix.com>
18863 * genconditions.c (condition_table, add_condition): Delete.
18864 (write_conditions): Don't emit n_insn_conditions nor
18865 insn_elision_unavailable. Issue the gcc version #ifdef here,
18866 inside the table, with no #else clause ...
18867 (write_header): ...not here.
18868 (write_writer): New function.
18869 (main): Don't initialize condition_table. Use add_c_test.
18871 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18872 files on the command line.
18873 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18874 Return -1 if there is no entry in the table, don't abort.
18875 (add_c_test, traverse_c_tests): New functions.
18876 * gensupport.h (insn_elision_unavailable, insn_conditions)
18877 (n_insn_conditions): Delete declarations.
18878 (add_c_test, traverse_c_tests): Declare.
18879 * read-rtl.c: Include gensupport.h.
18880 (read_conditions): New function.
18881 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18882 (read_rtx_1): If we get EOF when we were looking for an initial
18883 open paren, return 0. Call read_conditions when appropriate.
18884 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18885 dummy-conditions.o. Eliminate references to insn-conditions.o,
18886 or change them to build/gencondmd.o, as appropriate. Remove
18887 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18888 from $(simple_generated_c). For all files remaining in those
18889 two lists, add insn-conditions.md to the generator command line.
18890 Give insn-constants.h/s-constants their own rules. Add rules
18891 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18892 (build/read-rtl.o): Depend on gensupport.h.
18893 (genprognormal): Include preds.
18894 (genprogearly): Rename genprognoprint; only difference is now that
18895 they don't link with $(BUILD_PRINT).
18896 * dummy-conditions.c: Delete.
18898 2006-01-22 Zack Weinberg <zackw@panix.com>
18900 * genextract.c: Don't include insn-config.h. Do include vec.h.
18901 Declare vectors of int, char, and locstr.
18902 (locstr): New typedef.
18903 (struct extraction): Make all array fields into bare pointers.
18904 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18905 (insn_code_number): Delete.
18906 (accum_extract): New struct.
18907 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18908 (gen_insn): Take insn_code_number as an argument. Use an
18909 accum_extract structure instead of loading data directly into
18910 a struct extraction, and having to know how big it might get.
18911 (walk_rtx): Operate entirely on an accum_extract structure.
18912 (print_path): Avoid unnecessary use of printf.
18913 (print_header): New function, split out of main. Distinguish
18914 more carefully between an unrecognizable insn and an insn that
18915 has the code number of a define_expand.
18916 (main): Pass insn_code_number to gen_insn. Call print_header
18917 only after parsing. Avoid unnecessary use of printf.
18918 * Makefile.in (build/vec.o): New rule.
18919 (build/genextract): Depend on build/vec.o.
18920 (build/genextract.o): Don't depend on insn-config.h.
18922 2006-01-22 Zack Weinberg <zackw@panix.com>
18924 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18925 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18926 practical. Eliminate per-generator-program link rules.
18928 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18930 PR middle-end/24437
18931 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18932 with a call expr to ...
18933 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18935 2006-01-23 Richard Guenther <rguenther@suse.de>
18937 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18938 before make_edge with conditional EDGE_TRUE_VALUE.
18940 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18941 Jan Hubicka <jh@suse.cz>
18942 Richard Guenther <rguenther@suse.de>
18944 PR rtl-optimization/25654
18945 * cfgexpand.c (aggregate_contains_union_type): New function.
18946 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18947 for structure variables that contain a union type.
18949 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18951 * gengtype.c (new_structure): Return the structure.
18952 (create_option): Add an extra "next" argument.
18953 (create_field): New function.
18954 (adjust_field_rtx_def): Use create_option and create_field.
18955 Remove a now-unnecessary call to find_structure.
18956 (adjust_field_tree_def): Likewise.
18957 (note_yacc_type): Remove an unnecessary call to find_structure.
18958 * gengtype.h (new_structure): Return the structure.
18959 (create_option): Add an extra argument.
18960 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18961 (option): Adjust calls to create_option.
18963 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18965 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18967 2006-01-22 Paul Brook <paul@codesourcery.com>
18968 Peter Barada <peter@the-baradas.com>
18970 * config/m68k/m68k.md: Add Coldfire FPU support.
18971 Define FP mode macro and associated attributes.
18972 Use it for float mode patterns.
18973 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18974 (LIBCALL_VALUE): Use m68k_libcall_value.
18975 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18976 (m68k_function_value): Ditto.
18977 (emit_move_sequence): Ditto.
18978 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18979 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18980 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18981 (MULTILIB_EXCEPTIONS): Ditto.
18982 * config/m68k/m68k.opt: Add mcfv4e.
18983 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18984 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18985 (m68k_output_function_prologue): Save ColdFire FPU registers.
18986 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18987 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18988 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18989 ColdFire FPU registers.
18990 (m68k_libcall_value, m68k_function_value): New functions.
18991 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18992 (LIBCALL_VALUE): Use m68k_libcall_value.
18993 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18994 (MASK_COLDFIRE): Add MASK_CFV4E.
18995 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18996 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18997 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18998 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18999 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19000 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19001 * doc/invoke.tex: Document -mcfv4e on m68k.
19003 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19005 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19008 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19011 * c-opts.c (c_common_handle_option): Don't include
19012 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19013 * doc/invoke.texi (C++ Dialect Options): Document that
19014 -Wnon-virtual-dtor is no longer included in -Wall.
19016 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19018 * gcov.c (print_version), gcov-dump.c (print_version),
19019 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19022 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19024 * df-scan.c (problem_SCAN): Added NULL reset function.
19025 (df_scan_reset_blocks): Added code to call reset block function
19026 (df_bb_refs_delete) Fixed comment.
19027 (df_insn_refs_delete): Made tolerant of deleting non existent info
19028 for dataflow problems that need to be reset.
19029 * df-core.c (df_set_blocks): Ditto.
19030 * df.h (struct df_problem): Added reset_fun.
19031 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19032 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19033 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19034 functions to clear out all references to def-use or use-def chains.
19036 2006-01-21 Ben Elliston <bje@au.ibm.com>
19038 * varasm.c (assemble_real): Initialise data array.
19040 2006-01-20 Paul Brook <paul@codesourcery.com>
19042 Merge from csl-arm-branch.
19043 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19044 * config/arm/arm.md (movdi): Force operands[1] to a register
19045 if we have a non-register source.
19046 (*arm_movdi, *movdf_soft_insn): Require that one of the
19047 operands be a register.
19048 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19049 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19051 2006-01-20 DJ Delorie <dj@redhat.com>
19053 * varasm.c (initializer_constant_valid_p): Allow pointers
19054 initialized from integer constants of lesser precision.
19055 (output_constant): Allow non-int-sized pointer modes to be
19056 initialized from integer constants.
19058 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19061 * cppdefault.h (struct default_include): Add multilib flag.
19062 * cppdefault.c (cpp_include_defaults): Set it.
19063 * c.opt (-imultilib): New option.
19064 * c-opts.c (imultilib): New.
19065 (c_common_handle_option): Handle -imultilib.
19066 (c_common_post_options): Likewise.
19067 * c-incpath.c (add_standard_paths, register_include_chains):
19069 * c-incpath.h (register_include_chains): Add extra parameter.
19070 * gcc.c (do_spec_1): Generate -imultilib option.
19071 (The Specs Language): Update %I description.
19072 (process_command): Update copyright notice.
19073 * doc/cppopts.texi (-imultilib): Document.
19074 * doc/invoke.texi (-imultilib): Include in option summary.
19075 (%I): Update specs documentation.
19077 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19079 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19081 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19083 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19086 2006-01-20 Richard Guenther <rguenther@suse.de>
19087 Steven Bosscher <stevenb.gcc@gmail.com>
19089 PR rtl-optimization/24626
19090 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19091 EDGE_TRUE_VALUE if in RTL mode.
19094 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19095 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19097 2006-01-20 Dirk Mueller <dmueller@suse.com>
19100 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19101 instead of a special NOP marker.
19102 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19103 NOP marker handling.
19104 * c-common.h (empty_body_warning): Add forward declaration.
19105 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19106 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19108 2006-01-20 Paul Brook <paul@codesourcery.com>
19110 * Makefile.in (lang_checks): Keep going if mkdir fails.
19112 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19114 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19115 be able to clean out basic block when not necessary.
19116 (df_scan_free): Fixed to properly delete information if df is
19117 unused before calling df_finish.
19118 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19119 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19121 (df_bb_refs_delete): New function.
19122 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19123 * df-core.c (df_set_blocks): Added code to properly clean out
19124 unused blocks if they are not part of the blocks to consider.
19125 Added additional null check.
19126 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19127 be able to clean out basic block when not necessary
19128 * df.h (df_free_bb_function): Ditto.
19129 (df_bb_refs_delete): New function.
19130 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19131 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19132 basic block parameter to be able to clean out basic block when not
19134 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19135 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19136 Fixed to properly delete information if df is unused before
19139 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19141 PR rtl-optimization/25799
19142 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19143 Corrected confluence operator to remove bits from op2 before oring
19144 with op1 rather than removing bits from op1.
19145 (df_ru_transfer_function): Corrected test on wrong bitmap which
19146 caused infinite loop. Both of these problems were introduced in
19147 the dataflow rewrite.
19149 2006-01-19 DJ Delorie <dj@redhat.com>
19151 * reload1.c (find_reload_regs): Note the details of reload
19152 failures in the dump file.
19153 (spill_failure): Likewise.
19155 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19157 * loop-iv.c: Include df.h and hashtab.h.
19158 (enum iv_grd_result): New enum.
19159 (DF_REF_IV, DF_REF_IV_SET): New macros.
19160 (struct biv_entry): New.
19161 (df, bivs): New global variables.
19162 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19163 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19165 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19166 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19167 analyzed_for_bivness_p, record_biv): New functions.
19168 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19169 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19170 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19172 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19174 (iv_number_of_iterations): Use new interface to iv analysis.
19175 * loop-unroll.c: Do not include varray.h.
19176 (analyze_iv_to_split_insn): Use new interface to iv
19178 * loop-unswitch.c (may_unswitch_on): Ditto.
19179 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19181 (df_bb_modify): Realloc tables to the new index.
19182 (df_find_use): New function.
19183 * df.h (df_find_use): Declare.
19184 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19186 * cfgloop.h (struct rtx_iv): Remove analysed field.
19187 (iv_get_reaching_def): Removed.
19188 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19189 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19190 (loop-iv.o): Add df.h and hashtab.h dependency.
19191 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19193 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19196 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19198 (__floatundisf, __floatundidf): Likewise.
19199 * libgcc2.h (IS_IBM_EXTENDED): Define.
19201 2006-01-19 DJ Delorie <dj@redhat.com>
19203 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19205 2006-01-19 Paul Brook <paul@codesourcery.com>
19207 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19208 as nothrow when unwinding tables are disabled.
19210 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19213 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19214 of bit-field" when in system header.
19216 2006-01-19 DJ Delorie <dj@redhat.com>
19218 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19219 the 16 bit shift limit of the m16c.
19221 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19224 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19225 * config/i386/i386.c (output_set_got): Output the label if we have one
19226 for the TARGET_DEEP_BRANCH_PREDICTION case.
19228 2006-01-19 Jan Hubicka <jh@suse.cz>
19229 H.J. Lu <hongjiu.lu@intel.com>
19230 Evandro Menezes <evandro.menezes@amd.com>
19232 * invoke.texi (generic): Document
19234 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19235 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19236 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19237 (x86_use_incdec, x86_pad_returns): New variables
19238 (TARGET_CPU_DEFAULT_generic): New constant
19239 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19240 (enum processor_type): Add generic32 and generic64.
19241 * i386.md (cpu attribute): Add generic32/generic64
19242 (movhi splitter): Behave sanely when both partial_reg_dependency and
19243 partial_reg_stall are set.
19244 (K8 splitters): Enable for generic as well.
19245 * predicates.md (incdec_operand): Use TARGET_INCDEC
19246 (aligned_operand): Avoid memory mismatch stalls.
19247 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19248 * ppro.md: Enable for generic32
19249 * i386.c (generic64_cost, generic32_cost): New.
19250 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19251 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19252 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19253 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19254 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19255 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19256 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19257 x86_accumulate_outgoing_args, x86_prologue_using_move,
19258 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19259 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19260 Enable for generic.
19261 (x86_use_incdec, x86_pad_returns): New.
19262 (override_options): Add generic32 and generic64, translate "generic"
19263 to generic32/generic64 and "i686" to "generic32", refuse
19264 "generic32"/"generic64" as arch target.
19265 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19266 (ix86_reorg): Honor PAD_RETURNS.
19268 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19270 * tree-pretty-print.c (dump_generic_node): Handle
19271 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19272 * cgraph.c (cgraph_expand_queue): Rename from
19273 cgraph_analyze_queue. Update all users.
19274 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19275 cgraph_expand_queue.
19276 (cgraph_expand_all_functions): Likewise.
19277 (cgraph_finalize_pending_functions): Remove. Update callers.
19279 * tree.h (OMP_DIRECTIVE_P): Define.
19280 (OMP_PARALLEL_FN): Define.
19281 (OMP_PARALLEL_DATA_ARG): Define.
19282 (OMP_SECTIONS_SECTIONS): Define.
19283 * tree-pass.h (pass_expand_omp): Declare.
19284 * omp-low.c (struct omp_region): Declare.
19285 (struct omp_context): Remove fields 'parallel_type',
19286 'parallel_start_ix' and 'parallel_start_additional_args'.
19288 (struct omp_for_data): Rename from struct expand_omp_for_data.
19289 (omp_regions): New static variable.
19290 (root_omp_region): New static variable.
19291 (find_omp_clause): Make static.
19292 (is_in_combined_parallel_ctx): Remove.
19293 (is_combined_parallel): New.
19294 (extract_omp_for_data): Move earlier in the file.
19295 (workshare_safe_to_combine_p): New.
19296 (get_ws_args_for): New.
19297 (determine_parallel_type): Move earlier in the file.
19298 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19300 (omp_copy_decl): Likewise.
19301 (create_omp_child_function): Likewise.
19302 (lookup_omp_region): New.
19303 (dump_omp_region): New.
19304 (debug_omp_region): New.
19305 (debug_all_omp_regions): New.
19306 (new_omp_region): New.
19307 (scan_omp_parallel): If parallel_nesting_level > 1, the
19308 directive is nested within another parallel directive.
19309 Set OMP_PARALLEL_FN.
19310 (scan_omp_for): Do not try to handle combined parallel+for
19312 Remove FIXME comment.
19313 (scan_omp_nested): Remove.
19314 (scan_omp_1): Do not call scan_omp_nested when
19315 parallel_nesting_level is > 1.
19316 Do not change the DECL_CONTEXT of local variables found.
19317 (lookup_decl_in_outer_ctx): New.
19318 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19319 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19320 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19321 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19322 If CTX is nested, lookup VAR in the outer context when
19323 building copy assignment.
19324 (lower_send_clauses): Rename from expand_send_clauses.
19325 If CTX is nested, lookup VAR in the outer context when
19326 building copy assignments.
19327 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19328 If CTX is nested, lookup VAR in the outer context when
19329 building copy assignments.
19330 (expand_parallel_call): Rename from build_parallel_call.
19331 Handle combined parallel+workshare cases.
19332 Re-implement to emit code into the CFG.
19334 (expand_omp_parallel): Re-implement to emit code into the CFG.
19335 Call move_sese_region_to_fn to outline the sub-graph
19336 containing the parallel region.
19337 (expand_omp_for_1): Remove.
19338 (expand_omp_for_generic): Re-implement to emit code into the
19340 (expand_omp_for_static_nochunk): Likewise.
19341 (expand_omp_for_static_chunk): Likewise.
19342 (expand_omp_for): Likewise.
19343 (expand_omp_sections): Likewise.
19344 (remove_exit_barriers): New.
19345 (expand_omp_synch): New.
19347 (build_omp_regions_1): New.
19348 (build_omp_regions): New.
19349 (execute_expand_omp): New.
19350 (gate_expand_omp): New.
19351 (pass_expand_omp): Define.
19352 (lower_omp_sections): Rename from expand_omp_sections.
19353 Set OMP_SECTIONS_SECTIONS.
19354 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19355 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19356 (lower_omp_single): Rename from expand_omp_simple.
19357 (lower_omp_master): Rename from expand_omp_master.
19358 (lower_omp_ordered): Rename from expand_omp_ordered.
19359 (lower_omp_critical): Rename from expand_omp_critical.
19360 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19361 (lower_omp_for): Re-implement.
19362 (lower_omp_parallel): Re-implement.
19363 (lower_regimplify): Rename from expand_regimplify.
19364 (lower_omp_1): Rename from expand_omp_1.
19365 If there are syntax errors in the program, replace every
19366 OpenMP directive with NOP.
19367 Call lower_omp_* instead of expand_omp_*.
19368 (lower_omp): Rename from expand_omp.
19370 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19371 * tree-gimple.h (enum omp_parallel_type): Remove.
19372 (gimple_boolify): Declare extern.
19373 (find_omp_clause, determine_parallel_type): Remove.
19375 * gimple-low.c (lower_omp_directive): New.
19376 (lower_stmt): Call it.
19377 (record_vars_into): Move from ...
19378 (record_vars): ... here.
19379 Call record_vars_into with current_function_decl.
19381 * gimplify.c (struct gimplify_ctx): Remove fields
19382 combined_pre_p and combined_ctxp. Update users.
19383 (get_formal_tmp_var): Add documentation.
19384 (gimple_boolify): Make extern.
19385 (gimplify_expr_in_ctx): Remove. Update callers.
19386 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19387 will always be a BIND_EXPR.
19388 (gimplify_expr): Handle OMP_RETURN_EXPR.
19389 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19390 (OMP_PARALLEL): Add 3 operands.
19391 (OMP_SECTIONS): Add 1 operand.
19392 (OMP_RETURN_EXPR): Define.
19394 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19395 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19396 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19397 creating a circular free list.
19398 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19400 * tree-flow.h (move_sese_region_to_fn): Declare.
19401 (record_vars_into): Declare.
19402 * tree-cfg.c (make_omp_sections_edges): New.
19403 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19404 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19405 OMP_SECTIONS and OMP_SECTION.
19406 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19407 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19408 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19409 (gather_blocks_in_sese_region): New.
19410 (struct move_stmt_d): Declare.
19411 (move_stmt_r): New.
19412 (move_block_to_fn): New.
19413 (move_sese_region_to_fn): New.
19415 * passes.c (init_optimization_passes): Schedule
19416 pass_expand_omp after pass_init_datastructures.
19418 * tree-ssa-operands.c (get_expr_operands): Handle
19419 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19420 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19422 2006-01-19 Jeff Law <law@redhat.com>
19424 * tree-vrp.c (extract_range_from_assert): Refine the result range
19425 if the variable referenced by the ASSERT_EXPR has a range and
19426 either the tentative result range or the previous range is a
19429 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19431 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19433 2006-01-19 Jan Hubicka <jh@suse.cz>
19435 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19437 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19439 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19440 (expand_compound_operation, expand_field_assignment): Fail if the
19441 bit lengths of an extract operation are out of range.
19442 (make_extraction): Compute wanted_inner_mode based on the position
19443 and length of the extraction. Make it extraction_mode for non-constant
19444 positions, and do not modify offset in that case. When generating a
19445 new MEM, use a mode that can hold the extraction while keeping correct
19446 alignment. Remove code that supported MEMs wrapped by USEs.
19447 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19449 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19451 * config/s390/s390.md ("Y", "y"): New mode attribute.
19452 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19453 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19454 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19455 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19456 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19457 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19458 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19459 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19460 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19461 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19462 "addsi3", "subsi3"): Insn patterns removed.
19463 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19464 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19465 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19466 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19467 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19468 "*sub<mode>3_cconly2"): New insn patterns.
19469 ("addsi3", "subsi3"): New expanders.
19471 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19473 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19474 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19475 existing STMT_VINFO_VECTYPE if available.
19476 (vect_mark_relevant): Add special handling for stmts that are
19477 marked as STMT_VINFO_IN_PATTERN_P.
19478 (vect_analyze_loop): Call vect_pattern_recog.
19479 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19480 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19482 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19483 (vect_recog_func_ptr): New function-pointer type.
19484 * tree-vect-patterns.c: New file.
19485 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19486 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19487 (vect_pattern_recog_1): New functions.
19488 (vect_pattern_recog_funcs): New array of function pointers.
19490 * tree-vectorizer.h (ternary_op): New enum value.
19491 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19492 declaration. Revised documentation. Removed redundant dump prints.
19493 Removed redundant argument. Added support for reduction patterns.
19494 (vectorizable_reduction): Added support for reduction patterns.
19495 (vect_transform_stmt): Added support for patterns.
19497 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19498 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19499 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19500 (expand_widen_pattern_expr): New function.
19501 (init_optabs): Initialize new optabs udot_prod_optab,
19503 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19504 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19505 (expand_widen_pattern_expr): New function declaration.
19506 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19508 * tree-inline.c (estimate_num_insns_1): Added cases for new
19509 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19510 * tree-pretty-print.c (dump_generic_node): Likewise.
19511 (op_prio): Likewise.
19512 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19513 * tree-ssa-operands.c (get_expr_operands): Added case for
19515 * tree-vect-patterns.c (widened_name_p): New function.
19516 (vect_recog_dot_prod_pattern): Added function implementation.
19517 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19518 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19519 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19520 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19522 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19523 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19524 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19525 (init_optabs): Initialize new optabs widen_ssum_optab,
19527 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19528 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19529 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19530 use instead of type of def.
19531 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19532 function implementation.
19533 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19534 widen_ssumv8hi): New.
19536 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19539 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19542 * c-decl.c (add_flexible_array_elts_to_size): New function.
19543 (finish_decl): Use it.
19545 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19547 * diagnostic.h: Include options.h.
19548 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19549 dependancies for diagnostic.h.
19550 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19552 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19554 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19555 (ssa_ro_call_cache_valid): Ditto.
19556 * tree-ssa-alias.c (sort_tags_by_id): New function.
19557 (init_transitive_clobber_worklist): Ditto.
19558 (add_to_worklist): Ditto.
19559 (mark_aliases_call_clobbered): Ditto.
19560 (compute_tag_properties): Ditto.
19561 (set_initial_properties): Ditto.
19562 (compute_call_clobbered): Ditto.
19563 (compute_may_aliases): Call compute_call_clobbered and grouping.
19564 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19565 (compute_flow_insensitive_aliasing): Grouping now happens in our
19567 (setup_pointers_and_addressables): Remove clobbering related code.
19568 (add_may_alias): Ditto.
19569 (replace_may_alias): Ditto.
19570 (get_nmt_for): Ditto.
19571 (create_global_var):
19572 (is_escape_site): Return an escape_type enumeration.
19573 * tree-flow-inline.h (is_call_clobbered): Global var does not
19574 imply call clobbered.
19575 (mark_call_clobbered): Take a reason for marking this. Remove
19576 marking of globalness, and cache invalidation.
19577 (clear_call_clobbered): Remove cache invalidation code.
19578 * tree-dfa.c (dump_variable): If details is on, dump the reason
19580 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19582 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19583 (struct var_ann_d): Ditto.
19584 (enum escape_type): New.
19585 (mark_call_clobbered): Adjust prototype.
19586 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19587 are never call clobbered.
19588 Record reasons for escaping.
19589 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19590 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19591 (ssa_ro_call_cache_valid): Ditto.
19592 (clobbered_v_may_defs): Ditto.
19593 (clobbered_vuses): Ditto.
19594 (ro_call_vuses): Ditto.
19595 (clobber_stats): New.
19596 (init_ssa_operands): Zero out clobber stats.
19597 (fini_ssa_operands): Print out clobber stats.
19598 (get_call_expr_operands): Pass callee fndecl to
19599 add_call_read_ops).
19600 (add_call_clobber_ops): Remove use of cache.
19601 Add use of PURE_CONST information.
19602 (add_call_read_ops): Remove use of cache.
19603 Add use of static not_read information.
19605 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19607 Introduce TLS descriptors for i386 and x86_64.
19608 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19609 (TARGET_ANY_GNU_TLS): New macro.
19610 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19611 (struct machine_function): Add tls_descriptor_call_expanded_p.
19612 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19613 (ix86_current_function_calls_tls_descriptor): Likewise.
19614 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19615 (override_options): Introduce gnu2 tls dialect.
19616 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19618 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19620 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19621 (ix86_init_machine_status): Initialize new field.
19622 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19623 (ix86_tls_module_base): New.
19624 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19625 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19626 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19627 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19628 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19629 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19630 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19631 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19632 * config/i386/predicates.md (tls_modbase_operand): New.
19633 (tp_or_register_operand): New.
19635 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19637 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19638 (look_for_address_of): Ditto.
19639 (ipa_init): Walk the function decls.
19640 (static_execute): Don't set readonly on FUNCTION_DECL's.
19642 2006-01-18 Roger Sayle <roger@eyesopen.com>
19644 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19645 for shifts where the source and destination registers are different.
19647 2006-01-18 Paul Brook <paul@codesourcery.com>
19649 Merge from csl-arm-branch.
19650 2005-03-14 Julian Brown <julian@codesourcery.com>
19651 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19652 (aeabi_llsl): Likewise.
19653 (ashrdi3): Likewise.
19654 (aeabi_lasr): Likewise.
19655 (lshrdi3): Likewise.
19656 (aeabi_llsr): Likewise.
19657 2005-03-10 Julian Brown <julian@codesourcery.com>
19658 * config.gcc: Disable shared libgcc for SymbianOS.
19659 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19661 2006-01-18 DJ Delorie <dj@redhat.com>
19663 * c-pragma.c (handle_pragma_diagnostic): New.
19664 (init_pragma): Register it.
19665 * doc/extend.texi: Document it.
19667 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19668 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19669 (diagnostic_context): Add classify_diagnostic[].
19670 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19671 as errors if they're overridden to DK_WARNING.
19672 (diagnostic_initialize): Initialize classify_diagnostic[].
19673 (diagnostic_set_kind_override): New.
19674 (diagnostic_report_diagnostic): Check for kind changes.
19675 * opts.c (common_handle_option): Take lang_mask. Update callers.
19676 Handle OPT_Werror_.
19677 * common.opt (Werror=): New.
19678 * doc/invoke.texi: Document -Werror=*
19680 2006-01-18 Jeff Law <law@redhat.com>
19682 * tree-vrp.c (test_for_singularity): Correct test for new
19683 min limit. Use operand_equal_p rather than pointer equality
19684 for testing if new min/max values are equal.
19686 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19687 using range information until after propagation and folding.
19689 2006-01-18 Richard Henderson <rth@redhat.com>
19690 Aldy Hernandez <aldyh@redhat.com>
19691 Jakub Jelinek <jakub@redhat.com>
19692 Diego Novillo <dnovillo@redhat.com>
19694 * omp-low.c: New file.
19695 * c-omp.c: New file.
19697 2006-01-18 Richard Henderson <rth@redhat.com>
19698 Jakub Jelinek <jakub@redhat.com>
19699 Diego Novillo <dnovillo@redhat.com>
19701 * doc/invoke.texi: Document -fopenmp.
19702 * tree-dump.h (debug_function): Declare.
19703 * hooks.c (hook_bool_tree_bool_false): New function.
19704 (hook_tree_tree_null): Remove.
19705 (hook_tree_tree_tree_null): New.
19706 * hooks.h: Update to match.
19707 * tree-pretty-print.c (debug_tree_chain): New.
19708 (print_generic_expr): Handle TDF_CHAIN.
19709 (dump_generic_node): Handle BLOCK.
19710 Do not abort with incomplete SWITCH_EXPRs.
19711 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19712 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19713 print space after directive name.
19714 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19715 Handle OMP_MASTER and OMP_ORDERED.
19716 Handle printing of OMP_BODY just in one place, goto
19717 dump_omp_body in the rest of OMP_* nodes that have
19719 Don't handle clause nodes here. Update omp statements to
19720 use dump_omp_clauses.
19721 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19722 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19723 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19724 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19725 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19726 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19727 Adjust output for GOMP_PARALLEL.
19728 (dump_omp_clauses): New.
19729 (print_declaration): Dump DECL_VALUE_EXPR.
19730 (op_symbol_1): Split out of op_symbol.
19731 (dumping_stmts): Remove. Update all users.
19732 * cgraph.c (cgraph_analyze_queue): New.
19733 (cgraph_add_new_function): New.
19734 * cgraph.h (cgraph_analyze_queue): Declare.
19735 (cgraph_add_new_function): Declare.
19736 (cgraph_lower_function): Remove.
19737 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19738 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19739 and TYPE_P nodes in its default clause.
19740 (empty_body_p): New.
19741 (tree_range_check_failed): New.
19742 (build5_stat): New.
19743 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19744 OMP_CLAUSE_REDUCTION_MERGE,
19745 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19746 OMP_CLAUSE_PRIVATE_DEBUG,
19747 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19748 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19749 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19750 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19751 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19752 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19753 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19754 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19755 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19756 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19757 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19758 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19759 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19760 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19761 (TREE_RANGE_CHECK): New.
19762 (empty_body_p): Declare.
19763 (enum omp_clause_default_kind): New.
19764 (build_string_literal): Declare.
19765 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19766 (build5_stat, build5): Declare.
19767 * tree-pass.h (TDF_CHAIN): Define.
19768 * tree-pass.h (PROP_gimple_lomp): Define.
19769 (pass_lower_omp): Declare.
19770 * diagnostic.h (debug_tree_chain): Declare.
19771 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19773 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19774 * builtins.c (build_string_literal): Make extern.
19775 * gcc.c (include_spec_function): New.
19776 (static_spec_functions): Add it.
19777 (main): Move load of libgomp.spec ...
19778 (LINK_COMMAND_SPEC): ... here.
19779 (link_gomp_spec): New.
19780 (static_specs): Include it.
19781 (LINK_COMMAND_SPEC): Add link_gomp.
19782 (GOMP_SELF_SPECS): New.
19783 (driver_self_specs): Include it.
19784 (switch_matches): Don't mark inline.
19785 (main): Load libgomp.spec.
19786 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19787 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19788 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19789 * tree-gimple.h (enum omp_parallel): Declare.
19790 (determine_parallel_type): Declare.
19791 (omp_firstprivatize_variable): Declare.
19792 (omp_reduction_init): Declare.
19793 (diagnose_omp_structured_block_errors): Declare.
19794 (struct walk_stmt_info): Add want_return_expr.
19795 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19796 (find_omp_clause): Declare.
19797 (insert_field_into_struct): Declare.
19798 (struct walk_stmt_info): Move from tree-nested.c
19799 (walk_stmts): Declare.
19800 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19802 * cgraphunit.c (cgraph_lower_function): Make static.
19803 (cgraph_finalize_pending_functions): New.
19804 (cgraph_finalize_function): Call it.
19805 (cgraph_finalize_compilation_unit): Likewise.
19806 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19807 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19808 (BT_FN_UINT_UINT): New.
19809 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19810 DEF_FUNCTION_TYPE_VAR_4): Document.
19811 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19812 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19813 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19814 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19815 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19816 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19817 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19818 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19819 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19820 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19821 into separate files.
19822 (DEF_GOMP_BUILTIN): New.
19823 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19824 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19825 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19826 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19827 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19828 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19829 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19830 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19831 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19832 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19833 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19834 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19835 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19836 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19837 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19838 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19839 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19840 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19841 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19842 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19843 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19844 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19845 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19846 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19847 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19848 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19849 * sync-builtins.def: New file, moved from builtins.def.
19850 * omp-builtins.def: New file, moved from builtins.def.
19851 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19852 * gimple-low.c (lower_function_body): Clear data.
19853 (lower_stmt): Do not handle COMPOUND_EXPR.
19854 Remove call to print_node_brief.
19855 * c-tree.h (c_finish_omp_clauses): New prototype.
19856 (C_DECL_THREADPRIVATE_P): Define.
19857 (lookup_name_no_remap, c_omp_remap_private): Remove
19858 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19859 (check_for_loop_decls): Update decl.
19860 (lookup_name_no_remap, c_omp_remap_private): Declare.
19861 (build_indirect_ref, build_modify_expr, pushdecl,
19862 pushdecl_top_level): Move to c-common.h.
19863 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19864 before the switch, but just in the 2 places that need it.
19865 * c-decl.c (diagnose_mismatched_decls): Do not check for
19866 mismatched thread-local attributes when OLDDECL is marked
19867 threadprivate and NEWDECL has no thread-local attributes.
19868 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19869 (c_gimple_diagnostics_recursively): Rename from
19870 c_warn_unused_result_recursively. Invoke
19871 diagnose_omp_structured_block_errors.
19872 (check_for_loop_decls): Return a singular decl found.
19873 * langhooks.c (lhd_omp_predetermined_sharing): Return
19874 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19875 (lhd_omp_firstprivatize_type_sizes): New.
19876 (lhd_omp_assignment): New.
19877 (lhd_omp_predetermined_sharing): New.
19878 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19879 (struct lang_hooks_for_types): Add
19880 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19881 omp_predetermined_sharing, omp_disregard_value_expr,
19882 omp_private_debug_clause, omp_clause_default_ctor,
19883 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19884 (c_finish_omp_clauses): New.
19885 (c_finish_bc_stmt): Diagnose break within omp for.
19886 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19887 (build_unary_op): Return error_mark after reporting
19889 (build_modify_expr): Likewise.
19890 * gimplify.c: Include optabs.h and pointer-set.h.
19891 (enum gimplify_omp_var_data): Declare.
19892 (struct gimplify_omp_ctx): Declare.
19893 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19895 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19896 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19897 (splay_tree_compare_decl_uid): New.
19898 (new_omp_context): New.
19899 (delete_omp_context): New.
19900 (gimple_add_tmp_var): Call omp_add_variable.
19901 (gimplify_bind_expr): Likewise.
19902 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19903 true, disregard DECL_VALUE_EXPR on the decl if any.
19904 (gimplify_expr_in_ctx): New.
19905 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19906 omp_add_variable, omp_notice_variable, omp_is_private
19907 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19908 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19909 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19910 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19911 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19912 gimplify_omp_atomic): New.
19913 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19914 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19915 OMP_CRITICAL and OMP_ATOMIC.
19916 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19917 * c-pragma.h (enum pragma_kind): Add
19918 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19919 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19920 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19921 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19922 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19923 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19924 PRAGMA_OMP_THREADPRIVATE.
19925 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19926 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19927 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19928 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19929 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19930 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19931 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19932 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19933 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19934 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19935 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19936 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19937 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19939 (struct nesting_info): Add field_map,
19940 suppress_expansion, debug_var_chain.
19941 (create_nesting_tree): Initialize them.
19942 (lookup_field_for_decl): Use field_map.
19943 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19944 (convert_local_omp_clauses): New.
19945 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19946 (walk_body): Split out of walk_function.
19947 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19948 (convert_nonlocal_reference): Handle omp statements.
19949 (convert_local_reference): Likewise.
19950 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19951 (unnest_nesting_tree): New.
19952 (lower_nested_functions): Call it.
19953 (insert_field_into_struct): Make extern.
19954 (struct walk_stmt_info): Move to tree-gimple.h.
19955 (walk_stmts): Make extern.
19956 * omp-builtins.def: New file.
19957 * tree-iterator.c (expr_only): Clarify comment.
19958 * c-common.h (pushdecl_top_level, pushdecl,
19959 build_modify_expr, build_indirect_ref,
19960 c_finish_omp_master, c_finish_omp_critical,
19961 c_finish_omp_ordered, c_finish_omp_barrier,
19962 c_finish_omp_atomic, c_finish_omp_flush,
19963 c_finish_omp_for, c_split_parallel_clauses,
19964 omp_clause_default_kind, c_omp_sharing_predetermined,
19965 c_omp_remap_decl): Declare.
19966 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19967 (OBJS-common): Add omp-low.o.
19968 (c-omp.o, omp-low.o): Add.
19969 (gimplify.o): Add dependency on $(OPTABS_H).
19970 (GTFILES): Add omp-low.c.
19971 (gt-stringpool.h): Add.
19972 * tree-cfg.c (set_bb_for_stmt): Do not update the
19973 block-to-labels map if we are currently expanding to RTL.
19974 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19976 Handle IDENTIFIER_NODE.
19977 (tree_verify_flow_info): Do not ICE when emitting error
19978 messages about invalid labels.
19979 (dump_function_to_file): Reset CFUN before emitting the body
19981 (debug_function): New.
19982 * passes.c (init_optimization_passes): Schedule
19984 * langhooks-def.h (lhd_omp_predetermined_sharing,
19985 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19987 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19988 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19989 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19990 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19991 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19992 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19993 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19994 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19995 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19996 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19997 (LANG_HOOK_DECLS): Use them.
19999 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20000 Richard Henderson <rth@redhat.com>
20001 Jakub Jelinek <jakub@redhat.com>
20002 Diego Novillo <dnovillo@redhat.com>
20004 * c-parser.c (pragma_omp_clause): Define.
20005 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20006 (c_parser_compound_statement): Likewise.
20007 (c_parser_statement): Likewise.
20008 (c_parser_pragma): Handle omp pragmas.
20009 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20010 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20011 (c_parser_omp_clause_name, check_no_duplicate_clause,
20012 c_parser_omp_variable_list,
20013 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20014 c_parser_omp_clause_copyprivate,
20015 c_parser_omp_clause_default,
20016 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20017 c_parser_omp_clause_lastprivate,
20018 c_parser_omp_clause_nowait,
20019 c_parser_omp_clause_num_threads,
20020 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20021 c_parser_omp_clause_reduction,
20022 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20023 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20024 c_parser_omp_atomic, c_parser_omp_barrier,
20025 c_parser_omp_critical, c_parser_omp_flush,
20026 c_parser_omp_for_loop, c_parser_omp_for,
20027 c_parser_omp_master, c_parser_omp_ordered,
20028 c_parser_omp_sections_scope, c_parser_omp_sections,
20029 c_parser_omp_parallel, c_parser_omp_single,
20030 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20031 * c-pragma.c (init_pragma): Do omp pragma registration here.
20032 * c.opt (fopenmp): New flag.
20034 2006-01-18 Eric Christopher <echristo@apple.com>
20036 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20037 * config/darwin.h (GOMP_SELF_SPECS): Define.
20039 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20041 * rtl.h: Remove the prototype for reg_alloc.
20043 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20046 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20047 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20048 sjlj and dwarf2 exception handling.
20049 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20050 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20051 * pa/pa.c (function_value): Treat complex and vector types as
20053 (function_arg): Likewise. Only pass scalar floats in the floating
20054 point argument registers.
20055 * pa/t-slibgcc-dwarf-ver: New file.
20056 * pa/t-slibgcc-sjlj-ver: New file.
20057 * pa/t-slibgcc-elf-ver: Delete file.
20059 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20061 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20062 unlikely_test_section_p test.
20064 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20066 * mode-switching.c (optimize_mode_switching): Make it static.
20067 * basic-block.h: Remove the prototype for
20068 optimize_mode_switching.
20070 * modulo-sched.c (sms_schedule): Make it static.
20071 * rtl.h: Remove the prototype for sms_schedule.
20073 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20074 * rtl.h: Remove the prototype for gcse_after_reload_main.
20076 * reg-stack.c (reg_to_stack): Make it static.
20077 * rtl.h: Remove the prototype for reg_to_stack.
20079 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20081 * rtl.h: Remove the prototypes for regrename_optimize and
20082 copyprop_hardreg_forward.
20084 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20086 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20087 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20088 Test against the appropriate null constant for the mode.
20089 If 'fixup_overlap' is true, swap the operands if they overlap.
20090 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20091 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20092 alpha_split_tmode_pair and adjust for above change.
20093 * config/alpha/alpha.md (movtf_internal): Adjust call to
20094 alpha_split_tfmode_pair and rely on it to swap the operands.
20095 (movti_internal): New insn and post-reload splitter.
20096 (movti): New expander.
20098 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20100 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20103 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20105 * rtlanal.c (global_reg_mentioned_p_1,
20106 global_reg_mentioned_p): Remove.
20107 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20109 * flow.c (initialize_uninitialized_subregs): Make it static.
20110 * rtl.h: Remove the prototype for
20111 initialize_uninitialized_subregs.
20113 * function.c (instantiate_virtual_regs): Make it static.
20114 * function.h: Remove the prototype for
20115 instantiate_virtual_regs.
20117 * regmove.c (regmove_optimize, combine_stack_adjustments):
20119 * rtl.h: Remove the prototypes for regmove_optimize and
20120 combine_stack_adjustments.
20122 2006-01-17 Roger Sayle <roger@eyesopen.com>
20124 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20125 (size_cost): Encode costs in bytes so that a reg-reg addition is
20126 equivalent to COSTS_N_INSNS(1).
20127 (override_options): Use the size_cost.branch_cost as the default
20128 ix86_branch_cost when optimizing for size.
20130 2006-01-18 Ben Elliston <bje@au.ibm.com>
20132 * Makefile.in (D32PBIT_FUNCS): New.
20133 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20134 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20135 D64PBIT_FUNCS and D128PBIT_FUNCS.
20136 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20137 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20139 (decnumber_dep): Define.
20140 * doc/libgcc.texi (Decimal float library routines): New node.
20141 * config/dfp-bit.h, config/dfp-bit.c: New files.
20143 2006-01-18 Ben Elliston <bje@au.ibm.com>
20145 * expr.c (emit_move_change_mode): Always adjust addresses, not
20146 just during reload. Copy replacements only during reload.
20147 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20148 emit_move_via_integer.
20150 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20152 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20153 instead of $(srcdir) and ${srcdir}.
20155 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20158 PR middle-end/11135
20159 * arm.h (struct machine_function): Add pic_reg.
20160 * arm.c (arm_pic_register): Make unsigned.
20161 (arm_override_options): Only set arm_pic_register if
20162 TARGET_SINGLE_PIC_BASE.
20163 (use_return_insn): Only test for a pic register if it is fixed.
20164 (arm_compute_save_reg0_reg12_mask): Likewise.
20165 (thumb_compute_save_reg_mask): Likewise.
20166 (legitimate_pic_operand): Factor out some known invariants.
20167 (legitimize_pic_address): If we don't have a fixed pic register,
20168 then set up a pseudo in the function entry sequence. Handle the
20169 pic base being in a pseudo.
20170 (arm_load_pic_register): Handle the pic register being in a pseudo.
20171 (arm_expand_prologue): Only set up the pic register if it is fixed.
20172 (thumb_expand_prologue): Likewise.
20173 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20174 (pic_load_addr_based_insn): Likewise.
20175 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20178 2006-01-18 Ben Elliston <bje@au.ibm.com>
20180 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20181 decimal float modes for all floating point registers.
20183 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20184 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20186 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20189 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20190 even when the pointer is not NULL.
20192 2006-01-16 Ian Lance Taylor <ian@airs.com>
20194 * common.opt (ftoplevel-reorder): New option.
20195 * cgraph.c (cgraph_asm_nodes): New global variable.
20196 (cgraph_asm_last_node): New static variable.
20197 (cgraph_order): New global variable.
20198 (cgraph_create_node): Set new order field.
20199 (cgraph_varpool_node): Likewise.
20200 (decide_is_variable_needed): Return true if not
20201 flag_toplevel_reorder.
20202 (cgraph_add_asm_node): New function.
20203 * cgraph.h (struct cgraph_node): Add order field.
20204 (struct cgraph_varpool_node): Add order field.
20205 (struct cgraph_asm_node): Define.
20206 (cgraph_asm_nodes, cgraph_order): Declare.
20207 (cgraph_add_asm_node): Declare.
20208 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20210 (cgraph_varpool_assemble_pending_decls): Call it.
20211 (cgraph_output_pending_asms): New static function.
20212 (cgraph_finalize_compilation_unit): Call it.
20213 (struct cgraph_order_sort): Define.
20214 (cgraph_output_in_order): New static function.
20215 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20216 !flag_toplevel_reorder case.
20217 * c-parser.c: Include "cgraph.h".
20218 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20220 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20221 than -fno-unit-at-a-time.
20222 * doc/invoke.texi (Option Summary): Mention
20223 -fno-toplevel-reorder.
20224 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20225 -funit-at-a-time documentation.
20227 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20228 Kazu Hirata <kazu@codesourcery.com>
20230 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20232 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20234 * Makefile.in (FUNCTION_H): New. Use it instead of
20235 function.h throughout the file.
20236 * function.h: Include tree.h.
20238 2006-01-17 Ben Elliston <bje@au.ibm.com>
20240 * recog.c: Separate some functions with whitespace.
20242 2006-01-16 Richard Henderson <rth@redhat.com>
20244 Merge from gomp branch:
20245 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20246 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20247 and rename from struct inline_data. Rename callee* to dst*;
20248 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20249 transform_new_cfg, transform_return_to_modify, and
20250 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20252 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20253 (copy_decl_for_dup): Remove.
20254 * tree-inline.c (struct inline_data): Move to header.
20255 (insert_decl_map): Export.
20256 (remap_decl): Update for member name changes. Use copy_decl hook.
20257 Allow for replacement to be a non-decl. Remove dead code.
20258 (remap_type_1): Check for existing mapping.
20259 (remap_type): Export.
20260 (remap_decls): Update for member name changes.
20261 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20262 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20263 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20264 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20265 (tree_function_versioning, build_duplicate_type): Likewise.
20266 (copy_body_r): Likewise. Export.
20267 (copy_decl_for_dup): Split into ...
20268 (copy_decl_for_dup_finish, copy_decl_to_var,
20269 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20270 (replace_ref_tree, inlining_p): Remove.
20272 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20274 * ifcvt.c (if_convert): Make it static.
20275 * rtl.h: Remove the prototype for if_convert.
20277 * local-alloc.c (local_alloc): Make it static.
20278 * rtl.h: Remove the prototype for local_alloc.
20280 * loop.c (loop_optimize): Make it static.
20281 * cfgloop.h: Remove the prototype for loop_optimize.
20284 2006-01-16 DJ Delorie <dj@redhat.com>
20286 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20289 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20291 * pa.md: Disparage copies between general and floating-point registers
20292 in 32-bit move patterns.
20294 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20297 * Makefile.in (check-%): Depend on site.exp instead of
20298 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20301 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20303 * global.c (global_alloc): Make it static.
20304 * rtl.h: Remove the prototype for global_alloc.
20306 2006-01-16 Richard Guenther <rguenther@suse.de>
20308 * tree-ssa-alias.c (struct used_part): Add write_only field.
20309 (get_or_create_used_part_for): Initialize it to true.
20310 (create_overlap_variables_for): Don't create structure variables
20311 for structures that only are written to.
20312 (find_used_portions): Handle MODIFY_EXPR to track whether a
20313 structure is only written to.
20315 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20317 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20319 * basic-block.h: Remove the prototype for
20320 partition_hot_cold_basic_blocks.
20322 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20324 * cppspec.c (lang_specific_spec_functions): Remove.
20325 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20326 * gcc.h (lang_specific_spec_functions): Remove.
20327 * gccspec.c (lang_specific_spec_functions): Remove.
20329 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20331 * combine.c (record_value_for_reg): Invalidate registers
20333 (record_dead_and_set_regs_1): Likewise, by passing them to
20334 record_value_for_reg.
20335 (record_dead_and_set_regs): Invalidate stores made by a
20336 call. We do not combine across a call, but we still
20337 relied on equivalences.
20339 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20341 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20342 vrp_int_const_binop returning non-constant nodes.
20344 2006-01-16 Paul Brook <paul@codesourcery.com>
20346 * config/m68k/m68k.c (output_move_const_into_data_reg):
20347 Output correct mnemonic for mvz and mvs.
20349 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20351 * rtl-factoring.c: Add sequence abstraction algorithm.
20352 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20353 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20355 (block_has_preserve_label): New function.
20356 * common.opt: Register new pass.
20357 * Makefile.in: Ditto.
20359 * timevar.def: Ditto.
20360 * tree-pass.h: Ditto.
20361 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20362 * rtl.h (make_jump_insn_raw): Add forward decl.
20363 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20365 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20366 Roger Sayle <roger@eyesopen.com>
20368 * fold-const.c (fold_minmax): New static function.
20369 (fold_binary) <MIN_EXPR>: Call it.
20370 <MAX_EXPR>: Likewise.
20371 * stor-layout.c (place_field): Use DECL_SIZE consistently
20372 in the computation of the new record size.
20374 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20376 * cse.c (cse_condition_code_reg): Make it static.
20377 * rtl.h: Remove the prototype for cse_condition_code_reg.
20379 * combine.c (combine_instructions): Make it static.
20380 * rtl.h: Remove the prototype for combine_instructions.
20382 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20385 * tree.c (get_file_function_name_long): Concatenate the first global
20386 object name with a string derived from the input filename of the object
20389 2006-01-16 Ben Elliston <bje@au.ibm.com>
20391 * config/i386/winnt-stubs.c: Update FSF address.
20392 * config/xtensa/ieee754-df.S: Ditto.
20393 * config/xtensa/ieee754-sf.S: Ditto.
20395 2006-01-14 Ian Lance Taylor <ian@airs.com>
20397 * ifcvt.c (noce_init_if_info): New static function, broken out of
20398 noce_process_if_block.
20399 (noce_process_if_block): Call noce_init_if_info.
20400 (check_cond_move_block): New static function.
20401 (cond_move_process_if_block): New static function.
20402 (process_if_block): Call cond_move_process_if_block.
20404 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20406 * cselib.c (hash_table): Rename to cselib_hash_table.
20407 (cselib_clear_table, discard_useless_values,
20408 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20409 cselib_init, cselib_finish): Adjust uses of hash_table.
20411 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20413 PR tree-optimization/25485
20414 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20415 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20416 is known to be false and true, respectively.
20418 2006-01-14 Richard Guenther <rguenther@suse.de>
20420 PR tree-optimization/22548
20421 PR tree-optimization/22555
20422 PR tree-optimization/22501
20423 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20424 * params.def (salias-max-array-elements): New parameter.
20425 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20426 * doc/invoke.texi (salias-max-array-elements): Document.
20427 * tree-flow-inline.h (var_can_have_subvars): We also handle
20429 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20431 * tree-ssa-structalias.c (params.h): Include.
20432 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20433 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20434 (get_constraint_for): For ADDR_EXPR operating on something
20435 containing an ARRAY_REF, add all subvars to the solution.
20436 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20437 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20438 for creating MUST_DEFs.
20439 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20441 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20443 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20445 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20446 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20447 number_of_iterations_le): New functions.
20448 (number_of_iterations_special): Removed.
20449 (number_of_iterations_exit): Do not use number_of_iterations_special.
20450 * tree.c (unsigned_type_for): Always return integer type.
20452 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20453 Richard Guenther <rguenther@suse.de>
20455 PR rtl-optimization/24257
20456 * gcse.c (find_moveable_store): Only consider a store movable
20457 when the SET_SRC of the insn can be assigned to a register.
20459 2006-01-14 Ian Lance Taylor <ian@airs.com>
20461 * tree.c (tree_not_class_check_failed): New function.
20462 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20463 (tree_not_class_check_failed): Declare.
20465 2006-01-13 Ian Lance Taylor <ian@airs.com>
20467 * reload1.c (do_output_reload): Add assertion rejecting a
20470 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20472 * combine.c (struct reg_stat): Add new fields truncation_label and
20474 (record_value_for_reg): Reset truncated_to_mode.
20475 (record_truncated_value): New function.
20476 (check_promoted_subreg): Call it. Rename to check_conversions.
20477 (combine_instructions): Rename check_promoted_subreg to
20479 (reg_truncated_to_mode): New function.
20480 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20481 (gen_lowpart_or_truncate): New function.
20482 (force_to_mode): Use it instead of gen_lowpart.
20484 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20486 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20487 VAR is a tag, not its type tag.
20489 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20491 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20492 alternatives to match style of other entries.
20493 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20495 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20497 PR tree-optimization/25771
20498 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20501 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20504 * tree-inline.c (declare_return_variable): If the return variable
20505 was marked as a non gimple complex, set the return slot variable
20506 to be a non gimple comple variable.
20508 2006-01-13 Richard Guenther <rguenther@suse.de>
20510 * builtins.c (expand_builtin_sincos): New function.
20511 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20513 (expand_builtin): Expand sincos using expand_builtin_sincos.
20515 2006-01-12 DJ Delorie <dj@redhat.com>
20517 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20518 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20519 so that constant shifts can be split.
20520 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20521 (m32c_valid_pointer_mode): Make static.
20522 (shift_gen_func_for): New.
20523 (m32c_prepare_shift): Use it. Split large const shifts into
20525 * config/m32c/predicates.md (shiftcount_operand): Allow more
20527 (longshiftcount_operand): New.
20528 * doc/md.texi (Machine Constraints): Document In6.
20530 2006-01-13 Ben Elliston <bje@au.ibm.com>
20532 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20533 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20536 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20538 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20539 to try to avoid clobbering pieces of structures when we know
20540 something about the whole structure.
20541 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20543 2006-01-13 Ben Elliston <bje@au.ibm.com>
20545 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20546 return in memory, as this is no limitation is no longer present.
20548 2006-01-12 DJ Delorie <dj@redhat.com>
20550 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20551 mova with fb, and for fb+0 -> An.
20553 * config/m32c/mov.md (peephole2): Fix enabling logic.
20555 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20556 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20557 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20558 FINI_ARRAY_SECTION_ASM_OP): Define.
20560 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20562 (m32c_legitimize_reload_address): New logic to reload FB to An.
20563 (m32c_output_reg_push): Add newline.
20564 (m32c_output_reg_pop): Likewise.
20566 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20568 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20570 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20572 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20574 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20576 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20579 2006-01-11 Ben Elliston <bje@au.ibm.com>
20581 * rtlanal.c (find_reg_note): Assert insn is not null.
20583 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20585 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20588 2006-01-11 Jeff Law <law@redhat.com>
20590 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20592 (mark_threaded_blocks, register_jump_thread): New functions.
20593 (thread_through_all_blocks): Remove unwanted argument. No
20594 longer rely on e->aux to communicate thread target info.
20595 Call mark_threaded_blocks. Release the threaded_blocks
20596 bitmap and threaded_edges vector when complete.
20597 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20598 (threaded_blocks): Remove.
20599 (tree_ssa_dominator_optimize): Remove initialization and
20600 finalization of threaded_blocks. Simplify call to
20601 thread_through_all_blocks.
20602 (thread_across_edge): Call register_jump_thread rather than
20603 storing thread information into e->aux.
20604 (free_all_edge_infos): Simplify now that e->aux is no longer
20605 used to communicate with thread_through_all_blocks.
20606 * tree-flow.h (thread_through_all_blocks): Update prototype.
20607 (register_jump_thread): Prototype.
20609 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20611 * df-core.c (df_compact_blocks, df_bb_replace): Use
20612 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20614 2006-01-11 Richard Guenther <rguenther@suse.de>
20616 PR tree-optimization/25734
20617 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20618 stop propagation after successful propagation to the LHS.
20620 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20622 * basic-block.h (control_flow_graph): Change the type of
20623 x_basic_block_info to VEC(basic_block,gc) *.
20624 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20626 (SET_BASIC_BLOCK): New.
20627 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20628 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20629 * cfgbuild.c (find_basic_blocks): Likewise.
20630 * cfglayout.c (fixup_reorder_chain): Likewise.
20631 * cfgrtl.c (create_basic_block_structure,
20632 rtl_create_basic_block): Likewise.
20633 * ifcvt.c (find_if_case_1): Likewise.
20634 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20637 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20639 * Makefile.in: Removed rotted odf.c entry.
20641 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20644 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20645 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20646 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20647 output pattern modifier, not %e.
20648 * config/cris/cris.c (cris_op_str): Update comment about pattern
20650 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20651 before falling through into...
20652 <case 'E'>: Redefined from old 'e' case.
20654 2006-01-11 Jan Hubicka <jh@suse.cz>
20657 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20659 2006-01-11 Jan Hubicka <jh@suse.cz>
20661 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20662 * i386.c (x86_decompose_lea): Kill.
20663 (ix86_rtx_costs): Kill.
20665 2006-01-11 Jan Hubicka <jh@suse.cz>
20667 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20668 * cgraph.h (cgraph_node): Add inline_decl.
20669 (cgraph_insert_node_to_hashtable): Declare.
20670 (save_inline_function_body): Declare.
20671 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20673 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20674 (cgraph_function_versioning): Update call of tree_function_versioning.
20675 (save_inline_function_body): New function.
20676 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20677 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20678 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20679 (cgraph_default_inline_p): Likewise.
20680 (cgraph_decide_inlining_incrementally): Likewise.
20681 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20682 (copy_bb): Kill saving; do updating of clones.
20683 (copy_cfg_body): Kill saving.
20684 (initialize_inlined-parameters): Likewise.
20685 (expand_call_inline): Likewise.
20687 (tree_function_versioning): New parameter "update_clones".
20688 (inlining_p): Kill saving.
20689 * tree-inline.h (tree_function_versioning): Update prototype.
20690 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20693 2006-01-11 Ian Lance Taylor <ian@airs.com>
20695 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20696 Allow undoing set of machine mode.
20697 (do_SUBST): Use enums instead of is_int.
20698 (do_SUBST_MODE): New function.
20699 (SUBST_MODE): New macro.
20700 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20701 reg and trying to replace reg_regno_rtx with a new register.
20702 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20703 (simplify_set): Use SUBST_MODE.
20704 (distribute_notes): Remove code that tried to update reg notes
20705 for regno_reg_rtx changes.
20707 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20709 PR tree-optimization/23109
20710 PR tree-optimization/23948
20711 PR tree-optimization/24123
20713 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20714 * tree-cfg.c (single_noncomplex_succ): New.
20715 * tree-flow.h (single_noncomplex_succ): Declare it.
20716 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20717 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20718 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20719 insert_bb, register_division_in, insert_reciprocals,
20720 replace_reciprocal, free_bb): New.
20721 (execute_cse_reciprocals_1): Rewritten.
20722 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20723 Do not commit any edge insertion. Always compute dominators and
20724 create the allocation pool.
20725 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20726 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20727 * targhooks.c (default_min_divistions_for_recip_mul): New.
20728 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20729 * passes.c (init_optimization_passes): Run recip after tree loop
20731 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20733 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20734 Kenneth Zadeck <zadeck@naturalbridge.com>
20736 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20737 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20738 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20739 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20740 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20741 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20742 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20743 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20744 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20745 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20746 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20747 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20748 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20749 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20750 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20751 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20752 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20753 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20754 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20755 DF_SCAN_POST_ALLOC): New macros.
20756 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20757 df_free_bb_function, df_local_compute_function, df_init_function,
20758 df_dataflow_function, df_confluence_function_0,
20759 df_confluence_function_n, df_transfer_function,
20760 df_finalizer_function, df_free_function, df_dump_problem_function,
20761 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20762 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20763 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20764 df_urec_bb_info, ) New types.
20765 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20767 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20768 df_analyze_simple_change_some_blocks,
20769 df_analyze_simple_change_one_block, df_compact_blocks,
20770 df_bb_replace, df_bb_regno_last_use_find,
20771 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20772 df_insn_regno_def_p, df_find_def, df_find_use,
20773 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20774 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20775 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20776 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20777 debug_df_chain, df_get_dependent_problem, df_chain_create,
20778 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20779 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20780 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20781 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20782 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20783 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20784 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20785 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20786 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20787 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20788 df_reorganize_refs, df_set_state, df_hard_reg_init,
20789 df_read_modify_subreg_p) New public functions.
20790 * df-core.c: The core dataflow solver and glue routines for rtl
20792 (df_init, df_add_problem, df_set_blocks, df_finish,
20793 df_hybrid_search_forward, df_hybrid_search_backward,
20794 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20795 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20796 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20797 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20798 df_reg_defined, df_find_use, df_reg_used, df_dump,
20799 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20800 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20801 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20802 debug_df_useno, reset_df_after_reload): New functions.
20803 * df-scan.c: The scanning fuctions, once in df.c, completely
20804 rewritten so that they now fully model the functionality of
20805 register usage at the backend.
20806 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20807 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20808 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20809 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20810 df_get_artificial_defs, df_get_artificial_uses,
20811 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20812 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20813 df_refs_delete, df_reorganize_refs, df_set_state,
20814 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20815 df_def_record_1, df_defs_record, df_uses_record,
20816 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20817 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20818 df_record_exit_block_uses, df_hard_reg_init): New functions.
20820 * df-problems.c: Seven concrete dataflow problems that use the
20821 scanning in df-scan.c and are solved by the engine in df-core.c.
20822 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20823 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20824 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20825 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20826 df_ru_free_bb_info, df_ru_alloc,
20827 df_ru_bb_local_compute_process_def,
20828 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20829 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20830 df_ru_transfer_function, df_ru_free, df_ru_dump,
20831 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20832 df_rd_free_bb_info, df_rd_alloc,
20833 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20834 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20835 df_rd_transfer_function, df_rd_free, df_rd_dump,
20836 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20837 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20838 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20839 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20840 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20841 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20842 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20843 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20844 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20845 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20846 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20847 df_urec_mark_reg_use_for_earlyclobber,
20848 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20849 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20850 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20851 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20852 df_chain_create_bb_process_use, df_chain_create_bb,
20853 df_chain_finalize, df_chain_free, df_chains_dump,
20854 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20855 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20856 df_reg_lifetime): New functions.
20857 * df.c: Deleted file.
20858 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20859 consistent with new df api.
20860 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20861 rest_of_handle_sms): Ditto.
20862 * web.c (unionfind_union, union_defs, entry_register, web_main):
20864 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20865 invariant_expr_equal_p, find_defs, check_dependencies,
20866 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20867 free_inv_motion_data, move_loop_invariants): Ditto.
20868 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20869 Update dependencies.
20870 (odf.c): Added defective entry that was deleted later in day.
20871 * sched-deps.c (sched_analyze_1): Ditto.
20873 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20875 * tree-ssa-operands.c (get_expr_operands): Record addressable
20876 variables directly. Do not call add_stmt_operands for CONST_DECLs
20878 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20879 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20881 2006-01-11 Ben Elliston <bje@au.ibm.com>
20883 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20884 function returns true in the positive case.
20886 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20889 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20890 for SI, DI, SF and DF modes. Add alternatives to copy between
20891 general and floating point registers to the 32-bit patterns.
20892 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20893 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20894 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20895 generating 64-bit code.
20896 * config/pa/pa.c (output_move_double): Handle copies between general
20897 and floating registers.
20899 2006-01-10 Stuart Hastings <stuart@apple.com>
20901 * config/i386/i386.md (set_got): Update.
20902 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20903 (builtin_setjmp_receiver): Mach-O support.
20904 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20905 (GOT_SYMBOL_NAME): Define.
20906 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20907 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20908 * config/i386/i386.c (override_options): Revise for Darwin.
20909 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20910 support. (darwin_x86_file_end): New. (output_set_got): Add label
20911 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20912 * config/i386/i386-protos.h (output_set_got): Likewise.
20913 * config/darwin.c (machopic_legitimize_pic_address): Update
20916 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20918 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20919 when MODE isn't BLKmode.
20921 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20923 PR rtl-optimization/25367
20924 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20926 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20929 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20930 for a negative bound.
20932 2006-01-10 Richard Guenther <rguenther@suse.de>
20934 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20935 Never override with anything constraint.
20937 2006-01-10 Jan Beulich <jbeulich@novell.com>
20939 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20940 256 bits when optimize_size.
20942 2006-01-10 Jan Beulich <jbeulich@novell.com>
20944 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20946 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20947 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20950 2006-01-10 Ben Elliston <bje@au.ibm.com>
20952 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20954 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20955 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20956 (USE_FP_FOR_ARG): Reject decimal float modes.
20957 (function_arg_advance): Likewise.
20958 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20959 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20960 point types in AltiVec vectors.
20961 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20962 (rs6000_libcall_value): Likewise.
20964 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20966 * config/xtensa/ieee754-df.S: New file.
20967 * config/xtensa/ieee754-sf.S: New file.
20968 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20969 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20970 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20972 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20974 * config/sh/predicates.md (binary_float_operator,
20975 binary_logical_operator, commutative_float_operator,
20976 equality_comparison_operator, greater_comparison_operator,
20977 less_comparison_operator, logical_operator,
20978 noncommutative_float_operator, shift_operator,
20979 symbol_ref_operand, unary_float_operator): Remove redundant
20982 2006-01-09 Jeff Law <law@redhat.com>
20984 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20985 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20986 now unused arguments. Callers updated.
20987 (eliminate_redundant_computations): Remove now unused arguments,
20989 (local_fold): Remove, no longer used.
20990 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20992 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20993 (simplify_cond): New function.
20994 (forward_propagate_into_cond): Call simplify_cond.
20996 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20998 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20999 (*vec_extractv2di_1_sse): New.
21001 2006-01-09 Ben Elliston <bje@au.ibm.com>
21003 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21005 2006-01-08 Richard Guenther <rguenther@suse.de>
21007 * tree-ssa-structalias.c (get_constraint_for): Remove
21008 anyoffset argument.
21009 (get_constraint_for_component_ref): Likewise.
21010 (do_deref): Likewise.
21011 (get_constraint_for): Likewise.
21012 (do_structure_copy): Likewise.
21013 (handle_ptr_arith): Likewise.
21014 (find_func_aliases): Likewise. Remove unused need_anyoffset
21017 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21018 Kaz Kojima <kkojima@gcc.gnu.org>
21020 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21021 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21022 (EXTRA_CONSTRAINT_C16): Remove.
21023 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21024 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21025 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21026 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21027 constants of SHmedia. Handle nested constant expressions of
21029 (andcosts): Fix the costs for SHmedia constants.
21030 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21031 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21032 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21033 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21034 (movv4hi_i, movv2si_i): Likewise.
21035 (movsi_const): Adjust the second operand of ior so to match with
21036 the Csu constraint.
21037 (movdi_const, movdi_const_32bit): Likewise.
21038 (movdi_const_16bit+1): Don't sign-extend LOW.
21039 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21041 (*double_shori): Fix the split condition. Use GEN_INT instead
21042 of get_int_mode calls. Mask lower 16-bit of the argument of
21044 (sym2GOTPLT): Remove.
21045 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21047 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21048 instead of EXTRA_CONSTRAINT_C16.
21050 2006-01-07 Ian Lance Taylor <ian@airs.com>
21051 David Edelsohn <edelsohn@gnu.org>
21053 PR rtl-optimization/25662
21054 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21055 for constant operands instead of simplify_gen_binary.
21056 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21057 after trying simplify_binary_operation
21059 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21061 * tree.c (iterative_hash_expr): Hash decls based on UID.
21063 2006-01-06 Eric Christopher <echristo@apple.com>
21065 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21066 (TARGET_UNWIND_EMIT): Fix spelling.
21067 * target.h (gcc_target): Add except_table_label.
21068 * except.c (output_function_exception_table): Use.
21069 * varasm.c (default_emit_except_table_label): New.
21070 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21072 (asm_out): Add here.
21073 * output.h (default_emit_except_table_label): Prototype.
21074 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21075 * config/darwin.c (darwin_emit_except_table_label): Define.
21076 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21078 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21080 PR tree-optimization/18527
21081 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21082 number_of_iterations_special, number_of_iterations_exit):
21083 Move base and step of an iv to a single structure. Add
21084 no_overflow flag, and use it in # of iterations analysis.
21085 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21086 folded_casts argument.
21087 (simple_iv): Pass base and step in a structure. Set no_overflow
21089 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21090 Evaluate expensiveness of computing # of iterations instead of
21091 the final expression.
21092 * tree-scalar-evolution.h (affine_iv): New structure.
21093 (simple_iv): Declaration changed.
21094 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21095 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21096 find_givs_in_stmt): Changed due to simple_iv change.
21098 2006-01-06 Jeff Law <law@redhat.com>
21101 * tree-cfg.c (bsi_replace): Rename final argument from
21102 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21103 change (stmt -> orig_stmt).
21104 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21105 (bsi_remove): Add new argument. Remove EH information
21107 (verify_eh_throw_table_statements): New function.
21108 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21110 * tree-optimize.c (execute_free_cfg_annotations): Verify
21111 the EH throw statement table after removing annotations.
21112 * except.h (verify_eh_throw_table_statements): Prototype.
21113 * tree-flow.h (bsi_remove): Update prototype.
21114 * tree-vrp.c (remove_range_assertions): Add new argument to
21116 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21117 * tree-complex.c (expand_complex_div_wide): Likewise.
21118 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21119 * tree-tailcall.c (eliminate_tailcall): Likewise.
21120 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21121 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21122 * tree-nrv.c (tree_nrv): Likewise.
21123 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21124 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21125 (combine_blocks): Likewise.
21126 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21127 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21128 (cleanup_control_flow): Likewise.
21129 (remove_forwarder_block): Likewise.
21130 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21131 * tree-sra.c (sra_replace): Likewise.
21132 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21133 (forward_propagate_single_use_vars): Likewise.
21134 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21135 * tree-inline.c (expand_call_inline): Likewise.
21136 * tree-vect-transform.c (vect_transform_loop): Likewise.
21137 * tree-outof-ssa.c (rewrite_trees): Likewise.
21138 * tree-cfg.c (make_goto_expr_edges): Likewise.
21139 (cleanup_dead_labels): Likewise.
21140 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21141 (bsi_move_before, bsi_move_after): Likewise.
21142 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21143 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21145 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21148 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21150 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21151 on non gimple variables. Also add checks at the top for decls and
21153 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21155 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21156 and IMAGPART_EXPR for creating MUST_DEFs.
21157 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21158 and NAME_MEMORY_TAG separately from the DECLs.
21160 2006-01-06 Richard Guenther <rguenther@suse.de>
21162 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21163 annotation, if necessary.
21164 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21165 redundant calls to update_stmt.
21166 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21169 2006-01-05 Richard Henderson <rth@redhat.com>
21171 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21173 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21175 * c-typeck.c: Update copyright date.
21177 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21179 * c-typeck.c (build_c_cast): Always warn when casting
21180 from a pointer to an integer of different size, even if
21181 the node was constant.
21183 2006-01-05 Richard Guenther <rguenther@suse.de>
21185 PR tree-optimization/22555
21186 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21187 if one structure field is an array.
21188 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21189 operands even if we found a subvar, but ignore VOPs in this
21191 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21193 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21195 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21197 PR middle-end/24998
21198 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21200 2006-01-05 Richard Guenther <rguenther@suse.de>
21201 Diego Novillo <dnovillo@redhat.com>
21203 * tree-pass.h (TODO_remove_unused_locals): Define.
21204 * gimple-low.c (expand_var_p, remove_useless_vars,
21205 pass_remove_useless_vars): Remove. Update all users.
21206 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21207 (remove_unused_locals): New function.
21208 * tree-flow.h (remove_unused_locals): Declare.
21209 * passes.c (execute_todo): Call remove_unused_locals if
21210 TODO_remove_unused_locals is set.
21211 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21212 * tree-ssa-dce.c (pass_dce): Likewise.
21213 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21215 2006-01-05 Richard Guenther <rguenther@suse.de>
21217 * tree-flow.h (struct fieldoff): Decompose field to
21218 type, size and decl.
21219 * tree-ssa-alias.c (create_sft): Take type as parameter.
21220 (create_overlap_variables_for): Store type, size and decl
21221 in the fieldoff structure.
21222 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21223 of struct fieldoff.
21224 (push_fields_onto_fieldstack): Likewise.
21225 (create_variable_info_for): Likewise. Use offset for the
21226 SFT name if the decl is not available.
21228 2006-01-04 Paul Brook <paul@codesourcery.com>
21230 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21232 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21234 * lambda-code.c (can_put_in_inner_loop): Relax
21236 (can_put_after_inner_loop): New function.
21237 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21238 (perfect_nestify): Change to make copies and modify uses.
21240 2006-01-04 Richard Henderson <rth@redhat.com>
21242 Merge from gomp branch:
21243 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21244 via integer constant.
21245 (pragma_lex): Remove.
21246 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21247 rather than parsing it.
21248 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21249 handle_pragma_extern_prefix): Add %< %> quotes.
21250 (registered_pragmas): New.
21251 (c_register_pragma_1): New.
21252 (c_register_pragma): Use it.
21253 (c_register_pragma_with_expansion): Likewise.
21254 (c_invoke_pragma_handler): New.
21255 (init_pragma): Use cpp_register_deferred_pragma directly for
21257 * c-pragma.h (enum pragma_kind): New.
21258 (pragma_handler): New.
21259 (c_invoke_pragma_handler): Declare.
21260 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21262 * c-common.h (c_common_pch_pragma): Update decl.
21263 * Makefile.in (c-parser.o): Update dependencies.
21264 (GTFILES): Add c-pragma.h.
21265 * c-parser.c (struct c_token): Add pragma_kind.
21266 (struct c_parser): Add in_pragma.
21267 (c_lex_one_token): Always initialize keyword and pragma_kind.
21268 Extract data for CPP_PRAGMA.
21269 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21270 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21271 Don't allow CPP_PRAGMA_EOL if in_pragma.
21272 (c_parser_consume_pragma): New.
21273 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21274 (c_parser_skip_to_end_of_parameter): Likewise.
21275 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21276 (c_parser_skip_to_pragma_eol): New.
21277 (c_parser_external_declaration): Handle CPP_PRAGMA.
21278 (c_parser_compound_statement_nostart): Likewise.
21279 (c_parser_statement_after_labels): Likewise.
21280 (c_parser_pragma): New.
21281 (pragma_lex): Likewise.
21282 (c_parser_pragma_pch_preprocess): New.
21283 (c_parser_new): Merge into ...
21284 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21286 2006-01-04 Jeff Law <law@redhat.com>
21289 * tree-cfg.c (bsi_replace): Remove the original statement
21290 from the EH throw statement table.
21292 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21294 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21295 make the prototype extern "C" and add throw ().
21298 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21299 and pos non-negative and pos + len <= 32.
21300 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21301 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21302 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21305 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21306 as well as sizes not multiple of component size.
21309 * function.c (instantiate_expr): New function.
21310 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21311 walk its DECL_VALUE_EXPR with instantiate_expr.
21313 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21314 DW_OP_deref{,_size} if address isn't going to be added.
21316 2006-01-04 Ben Elliston <bje@au.ibm.com>
21318 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21319 * config/fp-bit.c: Likewise.
21321 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21323 * dominance.c: Add comment about why we use DFS numbering
21326 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21327 Richard Henderson <rth@redhat.com>
21329 Merge from gomp-branch:
21330 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21331 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21333 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21335 PR rtl-optimization/25578
21336 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21337 pass a parameter to simplify_shift_const if changing ASHIFTRT
21340 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21342 * builtins.c (get_builtin_sync_mem): New function.
21343 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21344 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21345 Call get_builtin_sync_mem to generate mem rtx.
21347 2006-01-03 Richard Guenther <rguenther@suse.de>
21350 * stmt.c (add_case_node): Make sure to clear overflow flags
21353 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21355 Merge from gomp-branch.
21356 * config/sparc/sync.md: New file.
21357 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21358 UNSPECV_LDSTUB): New constants.
21359 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21360 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21361 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21364 2006-01-03 Roger Sayle <roger@eyesopen.com>
21366 * combine.c (reg_subword_p): New predicate to test whether the
21367 destination of a set refers to a subword/piece of a register.
21368 (try_combine): Generalize the code to merge the setting of a
21369 pseudo to a constant followed by a set of a subword of that
21370 register to a constant.
21372 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21374 * basic-block.h (control_flow_graph): Change the type of
21375 x_label_to_block_map to VEC(basic_block,gc) *.
21376 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21377 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21379 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21380 VEC(basic_block,heap) *.
21381 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21382 ssa_prop_fini): Adjust the uses of cfg_blocks.
21384 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21386 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21388 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21389 hashing trees instead of a pointer hash.
21390 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21391 compare for MEM_EXPR.
21393 PR rtl-optimization/25130
21394 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21395 when comparing MEMs for GCSE
21397 2006-01-03 Ben Elliston <bje@au.ibm.com>
21399 * targhooks.h (default_decimal_float_supported_p): Declare.
21400 * targhooks.c (default_decimal_float_supported_p): Define.
21401 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21402 `default_decimal_float_supported_p'.
21403 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21405 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21407 * combine.c (apply_distributive_law <SUBREG>): Check
21408 TRULY_NOOP_TRUNCATION.
21410 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21412 * dwarf2out.c (have_switched_text_section): Delete.
21413 (have_multiple_function_sections): New.
21414 (have_location_lists): Make 'bool'.
21415 (add_AT_loc_list): Use 'true' not '1'.
21416 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21417 (output_loc_list): Use have_multiple_function_sections.
21418 (output_ranges): Likewise.
21419 (dwarf2out_begin_function): Set have_multiple_function_sections if
21421 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21422 Check function_section rather than DECL_SECTION_NAME.
21423 (dwarf2out_finish): Use have_multiple_function_sections.
21424 Don't clear have_location_lists.
21426 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21427 Jan Hubicka <jh@suse.cz>
21429 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21430 case of conditional jump jumping to the next instruction.
21431 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21432 cases of conditional jump jumping to the next instruction.
21434 2006-01-02 Jan Hubicka <jh@suse.cz>
21436 * i386.c (*_cost): Add COSTS_N_INSNS.
21437 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21439 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21442 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21444 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21446 * config/arm/arm.c (all_fpus): Fix comment typo.
21447 * config/darwin.c: Likewise.
21448 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21449 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21450 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21452 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21454 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21455 (rs6000_split_compare_and_swapqhi): New.
21456 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21457 (sync_compare_and_swapqhi_internal): New.
21458 * config/rs6000/rs6000-protos.h: Declare.