1 2006-12-06 Diego Novillo <dnovillo@redhat.com>
3 * gdbinit.in: Set complaints to 0.
5 2006-12-06 Jan Hubicka <jh@suse.cz>
7 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
8 ALONE_MEM_STAT_DECL): New macros.
9 * bitmap.h: Include statistics.h
10 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
11 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
12 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
13 * bitmap.c: Include hashtab.h
14 (bitmap_descriptor): New.
15 (bitmap_hash): New static variable
16 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
18 (bitmap_register): New.
19 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
20 bitmap_obstack_release): Do accounting.
21 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
23 (bitmap_gc_alloc_stat): Likewise.
24 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
25 (print_statistics, dump_bitmap_statistics): New functions.
26 * toplev.c (finalize): Dump bitmap statistics.
28 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
30 * reload1.c (delete_output_reload): Count occurrences in
31 CALL_INSN_FUNCTION_USAGE.
32 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
33 crashing at the end of the list.
35 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
37 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
38 Optimize to avoid marking more SMT's as used when they aren't.
40 2006-12-05 Eric Christopher <echristo@apple.com>
42 * config/i386/i386.c (x86_output_aligned_bss): Move out
43 of COMMON_ASM_OP ifdef.
45 2006-12-05 Eric Christopher <echristo@apple.com>
47 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
48 (STARTFILE_SPEC): Use.
49 (DARWIN_DYLIB1_SPEC): New.
50 (DARWIN_CRT1_SPEC): New.
51 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
53 * config/i386/darwin.h: Ditto.
54 * config/rs6000/darwin.h: Ditto.
56 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
58 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
59 * tree-complex.c (pass_lower_complex): Ditto.
60 * tree-ssa-ccp.c (pass_ccp): Ditto.
61 (pass_store_ccp): Ditto.
62 * tree-ssa-dom.c (pass_dominator): Ditto.
63 (pass_phi_only_cprop): Ditto.
64 * tree-sra.c (pass_sra): Ditto.
65 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
66 * tree-flow.h (updating_used_alone): Remove.
67 (updating_used_alone): Ditto.
68 * tree-ssa-alias.c (updating_used_alone): Remove variable.
69 (lhs_may_store_to): Remove function.
70 (recalculate_used_alone): Ditto.
71 (compute_may_aliases): Remove used_alone calculation.
72 * tree.h (struct tree_memory_tag): Remove is_used_alone and
73 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
74 * tree-pass.h (PROP_smt_usage): Remove.
75 * passes.c (execute_todo): Remove used alone recalculation.
76 (execute_one_pass): Ditto.
77 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
80 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
82 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
84 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
86 PR tree-optimization/14784
87 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
89 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
91 Merge from gimple-tuples-branch.
93 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
95 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
97 (s390_gimplify_va_arg): Same.
98 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
99 * config/sh/sh.c (sh_va_start): Same.
100 (sh_gimplify_va_arg_expr): Same.
101 * config/xtensa/xtensa.c (xtensa_va_start): Same.
102 (xtensa_gimplify_va_arg_expr): Same.
103 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
104 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
105 * config/mips/mips.c (mips_va_start): Same.
106 (mips_gimplify_va_arg_expr): Same.
108 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
110 * Merge from mainline at revision 119445.
112 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
114 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
116 (spu_gimplify_va_arg_expr): Same.
118 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
120 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
121 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
122 (xstormy16_expand_builtin_va_arg): Same.
124 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
126 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
127 to GIMPLE_MODIFY_STMT.
129 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
131 * config/alpha/alpha.c (va_list_skip_additions): Change all
132 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
133 (alpha_va_start): Same.
134 (alpha_gimplify_va_arg_1): Same.
135 (alpha_gimplify_va_arg): Same.
137 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
139 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
141 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
143 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
144 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
146 * tree-complex.c: Same.
147 * tree-pretty-print.c: Same.
151 * fold-const.c: Same.
152 * tree-ssa-dom.c: Same.
153 * tree-ssa-propagate.c: Same.
154 * tree-ssa-alias.c: Same.
155 * gimple-low.c: Same.
157 * c-pretty-print.c: Same.
159 * tree-inline.c: Same.
160 * tree-outof-ssa.c: Same.
161 * tree-ssa-structalias.c: Same.
162 * tree-ssa-reassoc.c: Same.
165 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
167 * tree.c (build2_stat): Fix comment.
169 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
171 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
172 TREE_OPERAND when appropriate.
174 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
176 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
177 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
178 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
179 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
180 not handle GIMPLE_MODIFY_STMT in the switch statement.
181 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
182 (java_gimplify_new_array_init): Same.
184 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
186 * gimplify.c (gimplify_omp_for): Allow gimple statements.
187 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
188 * fold-const.c (fold_binary): Allow gimple statements.
190 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
191 Rename from gfc_conv_descriptor_data_set.
192 Call gfc_add_modify instead of gfc_add_modify_expr.
193 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
194 Rename from gfc_conv_descriptor_data_set.
195 (gfc_conv_descriptor_data_set): New macro.
196 (gfc_conv_descriptor_data_set_tuples): New macros.
197 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
198 gfc_conv_descriptor_data_set_tuples.
199 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
200 Generate GIMPLE_MODIFY_STMT when appropriate.
201 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
202 (gfc_add_modify_expr): New macro.
203 (gfc_add_modify_stmt): New macro.
204 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
206 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
208 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
209 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
212 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
214 * Merge from mainline at revision 118200.
216 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
218 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
221 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
223 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
225 Also, add __extension__ to GCC versions.
226 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
227 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
230 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
232 * tree-complex.c (expand_complex_libcall): Adjust for
234 (expand_complex_comparison): Same.
235 * tree-pretty-print.c (dump_generic_node): Is_expr should include
236 GIMPLE_STMT_P statements.
237 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
239 (tree_mod_pow2_value_transform): Same.
240 (tree_mod_subtract_transform): Same.
241 * tree.c (build2_stat): Check for gimplified function in cfun.
242 * tree.h (DECL_GIMPLIFIED): Delete.
243 (struct tree_function_decl): Remove gimplified_flag.
244 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
245 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
246 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
247 (cxx_omp_clause_copy_ctor): Same.
248 (cxx_omp_clause_assign_op): Same.
249 * c-pretty-print.c (pp_c_conditional_expression): Same.
250 (pp_c_expression): Same.
251 * langhooks.c (lhd_omp_predetermined_sharing): Same.
252 * function.h (struct function): Add gimplified field.
253 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
255 (find_phi_replacement_condition): Same.
256 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
257 (gimplify_modify_expr_to_memset): Same.
258 (gimplify_init_ctor_eval_range): Same.
259 (gimplify_modify_expr_complex_part): Same.
260 (tree_to_gimple_tuple): Same.
261 (gimplify_modify_expr): Same.
262 (gimple_push_cleanup): Same.
263 (gimplify_omp_for): Same.
264 (gimplify_omp_atomic_pipeline): Same.
265 (gimplify_omp_atomic_mutex): Same.
266 (gimplify_expr): Same.
267 (gimplify_one_sizepos): Same.
268 (gimplify_function_tree): Same.
269 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
270 (vect_recog_widen_sum_pattern): Same.
271 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
272 (vect_create_epilog_for_reduction): Same.
273 (vectorizable_reduction): Same.
275 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
277 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
278 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
279 (ifc_temp_var): Same.
280 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
281 for gimple statements.
282 (vect_analyze_operations): Same.
283 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
284 * gimplify.c (gimplify_return_expr): Handle gimple statements.
285 * lambda-code.c (can_put_in_inner_loop): Same.
286 (can_put_after_inner_loop): Same.
287 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
288 (vect_create_data_ref_ptr): Same.
289 (vect_init_vector): Same.
290 (vect_get_vec_def_for_operand): Same.
291 (vect_create_epilog_for_reduction): Same.
292 (vectorizable_reduction): Same.
293 (vectorizable_assignment): Same.
294 (vectorizable_operation): Same.
295 (vectorizable_load): Same.
296 (vectorizable_condition): Same.
297 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
298 (rs6000_gimplify_va_arg): Same.
300 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
302 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
304 (simplify_abs_using_ranges): Same.
305 * tree-complex.c (expand_complex_operations_1): Use
306 PROTECTED_TREE_OPERAND.
307 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
309 (get_val_for): Use GIMPLE_STMT_OPERAND.
310 * tree-tailcall.c (adjust_accumulator_values): Same.
311 (adjust_return_value): Same.
312 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
313 case. Remove special case for tcc_gimple_stmt.
314 * tree.h (CAN_HAVE_LOCATION_P): New.
315 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
317 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
318 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
319 * tree-nrv.c (execute_return_slot_opt): Same.
320 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
321 * tree-vn.c (set_value_handle): Same.
322 (get_value_handle): Same.
323 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
324 * tree-vectorizer.c (find_loop_location): Same.
325 * c-typeck.c (c_process_expr_stmt): Same.
326 (c_finish_stmt_expr): Same.
327 * gimplify.c (should_carry_locus_p): Same.
328 (tree_to_gimple_tuple): Delete definition and use of unecessary
329 variable save_tree_block.
330 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
331 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
332 (realify_fake_stores): Same.
333 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
335 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
336 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
337 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
338 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
339 (c_parser_statement_after_labels): Same.
340 (c_parser_paren_condition): Same.
341 (c_parser_for_statement): Same.
342 (c_parser_omp_for_loop): Same.
343 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
344 (linearize_expr_tree): Same.
345 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
346 * function.c (instantiate_expr): Same.
348 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
350 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
351 (set_expr_location): Same.
353 (set_expr_locus): Same.
354 (expr_filename): Same.
356 (tree_block): Use GIMPLE_STMT_BLOCK.
357 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
358 * tree.h (struct gimple_stmt): Remove prev and next.
359 (GIMPLE_STMT_OPERAND_CHECK): New.
360 (TREE_TO_GIMPLE_STMT): Delete.
361 (GIMPLE_STMT_TO_TREE): Delete.
362 (GIMPLE_STMT_OPERAND): Use union, not cast.
363 (GIMPLE_STMT_LOCUS): New.
364 (GIMPLE_STMT_BLOCK): New.
365 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
367 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
369 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
371 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
373 * tree-tailcall.c (adjust_return_value): Same.
374 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
375 (copy_node_stat): Change common.base to base.
376 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
377 Remove GIMPLE_STATEMENT_LIST case.
378 * tree.h (struct gimple_stmt): Make operands of type tree.
379 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
380 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
381 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
382 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
383 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
384 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
385 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
386 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
387 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
388 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
389 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
390 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
391 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
392 Change common.base to base.
393 (GIMPLE_STATEMENT_LIST*): Remove.
394 (union tree_node): Add base. Remove gimple_statement_list.
395 Remove pointer from gstmt.
396 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
397 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
398 * tree-vn.c (vn_compute): Change common.base to base.
399 * tree-eh.c (verify_eh_throw_stmt_node): Same.
400 * tree-flow-inline.h (var_ann): Same.
401 (function_ann): Same.
403 (mark_non_addressable): Same.
404 * gimplify.c (tree_to_gimple_tuple): Same.
405 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
406 * tree-dfa.c (create_var_ann): Change common.base to base.
407 (create_function_ann): Same.
408 (create_stmt_ann): Same.
409 (create_tree_ann): Same.
410 (collect_dfa_stats_r): Same.
411 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
412 * tree-ssa-dce.c (NECESSARY): Same.
413 * tree-ssa.c (delete_tree_ssa): Same.
414 * tree-optimize.c (execute_free_cfg_annotations): Same.
417 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
419 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
420 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
422 * tree.h (struct gimple_stmt): Add prev and next fields.
423 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
424 (GIMPLE_STATEMENT_LIST_HEAD): New.
425 (GIMPLE_STATEMENT_LIST_TAIL): New.
426 (struct gimple_statement_list): New.
427 (union tree_node): Add gimple_stmt_list and gstmt.
428 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
429 * tree.def: Add GIMPLE_STATEMENT_LIST.
431 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
433 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
434 * tree-vrp.c (build_assert_expr_for): Change uses of
435 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
436 (find_assert_locations): Same.
437 (remove_range_assertions): Same.
438 (stmt_interesting_for_vrp): Same.
439 (vrp_visit_assignment): Same.
440 (vrp_visit_stmt): Same.
441 (simplify_cond_using_ranges): Same.
442 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
444 * tree-ssa-loop-im.c (movement_possibility): Change uses of
445 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
447 (determine_invariantness_stmt): Same.
449 (gather_mem_refs_stmt): Same.
450 * tree-complex.c (init_dont_simulate_again): Same.
451 (complex_visit_stmt): Same.
452 (set_component_ssa_name): Same.
453 (expand_complex_move): Same.
454 (expand_complex_div_wide): Same.
455 (expand_complex_comparison): Same.
456 (expand_complex_operations_1): Same.
457 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
458 (chain_of_csts_start): Same.
459 (infer_loop_bounds_from_undefined): Same.
460 * tree-pretty-print.c (dump_generic_node): Same.
463 * tree-ssa-loop-manip.c (create_iv): Same.
464 * value-prof.c (tree_divmod_fixed_value): Same.
465 (tree_divmod_fixed_value_transform): Same.
466 (tree_mod_pow2): Same.
467 (tree_mod_pow2_value_transform): Same.
468 (tree_mod_subtract): Same.
469 (tree_mod_subtract_transform): Same.
470 (tree_divmod_values_to_profile): Same.
471 * tree-tailcall.c (process_assignment): Same.
472 (find_tail_calls): Same.
473 (adjust_accumulator_values): Same.
474 (adjust_return_value): Same.
475 (eliminate_tail_call): Same.
476 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
477 (make_node_stat): Same.
478 (copy_node_stat): Handle gimple tuples.
479 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
480 (tree_node_structure): Handle tcc_gimple_stmt.
481 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
483 (build2_gimple_stat): New.
484 (expr_location): New.
485 (set_expr_location): New.
486 (expr_has_location): New.
488 (set_expr_locus): New.
489 (expr_filename): New.
491 (walk_tree): Handle tcc_gimple_stmt.
493 (protected_tree_operand): New.
494 (protected_tree_type): New.
495 (tree_code_kind): Add gimple statements.
496 * tree.h (tree_code_class): Add tcc_gimple_stmt.
497 (IS_GIMPLE_STMT_CODE_CLASS): New.
498 (struct tree_base): New.
499 (struct tree_common): Shrink.
500 (struct gimple_stmt): New.
501 (struct gimple_expr): New.
502 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
503 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
504 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
505 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
506 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
507 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
508 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
509 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
510 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
511 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
512 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
513 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
514 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
515 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
516 Adjust for new `common' layout.
517 (struct tree_function_decl): Add gimplified_flag.
518 (DECL_GIMPLIFIED): NEW.
519 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
520 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
521 EXPR_HAS_LOCATION): Call corresponding function.
522 (GIMPLE_STMT_CHECK): New.
523 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
524 (TREE_BLOCK): Call tree_block.
525 (GIMPLE_STMT_P): New.
526 (GIMPLE_TUPLE_P): New.
527 (TREE_TO_GIMPLE_STMT): New.
528 (GIMPLE_STMT_TO_TREE): New.
529 (GIMPLE_STMT_OPERAND): New.
530 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
531 (PROTECTED_TREE_OPERAND): New.
532 (PROTECTED_TREE_TYPE): New.
533 (build2_gimple_stat): Protoize.
534 (build2_gimple): New.
535 (expr_location): Protoize.
536 (set_expr_location): Protoize.
537 (expr_has_location): Protoize.
538 (expr_locus): Protoize.
539 (set_expr_locus): Protoize.
540 (expr_filename): Protoize.
541 (expr_lineno): Protoize.
542 (tree_block): Protoize.
543 (protected_tree_operand): Protoize.
544 (protected_tree_type): Protoize.
545 (enum tree_node_kind): Add gimple_stmt_kind.
546 * c-decl.c (union lang_tree_node): Tuples do not have a
548 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
549 GIMPLE_MODIFY_STMT and adjust accordingly.
550 * tree-scalar-evolution.c (follow_ssa_edge): Same.
551 (interpret_condition_phi): Same.
552 (pointer_used_p): Same.
553 (analyze_scalar_evolution_1): Same.
554 (scev_const_prop): Same.
555 (interpret_rhs_modify_stmt): Rename from
556 interpret_rhs_modify_expr.
557 * builtins.c (std_expand_builtin_va_start): Change uses of
558 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
559 (std_gimplify_va_arg_expr): Same.
560 (expand_builtin_va_copy): Same.
561 (integer_valued_real_p): Same.
562 * fold-const.c (maybe_lvalue_p): Same.
564 (tree_expr_nonnegative_p): Same.
565 (tree_expr_nonzero_p): Same.
566 * omp-low.c (extract_omp_for_data): Same.
567 (lower_rec_input_clauses): Same.
568 (lower_reduction_clauses): Same.
569 (lower_copyprivate_clauses): Same.
570 (lower_send_clauses): Same.
571 (lower_send_shared_vars): Same.
572 (expand_parallel_call): Same.
573 (expand_omp_parallel): Same.
574 (expand_omp_for_generic): Same.
575 (expand_omp_for_static_nochunk): Same.
576 (expand_omp_for_static_chunk): Same.
577 (expand_omp_sections): Same.
578 (lower_omp_single_copy): Same.
579 (lower_omp_parallel): Same.
580 * tree-ssa-dse.c (memory_address_same): Same.
581 (dse_optimize_stmt): Same.
582 * ipa-reference.c (scan_for_static_refs): Same.
583 * tree-gimple.c (is_gimple_reg_rhs): Same.
584 (get_call_expr_in): Same.
585 (recalculate_side_effects): Same.
586 * cgraphunit.c (cgraph_create_edges): Same.
587 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
588 * tree-ssa-ccp.c (get_default_value): Same.
589 (likely_value): Same.
590 (visit_assignment): Same.
591 (ccp_visit_stmt): Same.
592 (get_maxval_strlen): Same.
593 (ccp_fold_builtin): Same.
594 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
595 (find_givs_in_stmt): Same.
596 (find_interesting_uses_op): Same.
597 (find_interesting_uses_stmt): Same.
598 (rewrite_use_nonlinear_expr): Same.
599 * ipa-pure-const.c (scan_function): Same.
600 * tree-stdarg.c (va_list_counter_bump): Same.
601 (check_all_va_list_escapes): Same.
602 (execute_optimize_stdarg): Same.
603 * tree-ssa-math-opts.c (compute_merit): Same.
604 (insert_reciprocals): Same.
605 (execute_cse_reciprocals): Same.
606 * tree-ssa-dom.c (initialize_hash_element): Same.
607 (simple_iv_increment_p): Same.
608 (record_equivalences_from_stmt): Same.
609 (optimize_stmt): Same.
610 (remove_stmt_or_phi): Same.
611 (get_rhs_or_phi_arg): Same.
612 (get_lhs_or_phi_result): Same.
613 (propagate_rhs_into_lhs): Same.
614 * tree-nrv.c (tree_nrv): Same.
615 (execute_return_slot_opt): Same.
616 * tree-ssa-propagate.c (get_rhs): Same.
618 (stmt_makes_single_load): Same.
619 (stmt_makes_single_store): Same.
620 (replace_vuses_in): Same.
621 (fold_predicate_in): Same.
622 (substitute_and_fold): Same.
623 * tree-ssa-alias.c (compute_call_clobbered): Same.
624 (recalculate_used_alone): Same.
625 (count_uses_and_derefs): Same.
626 (is_escape_site): Same.
627 (find_used_portions): Same.
628 * gimple-low.c (lower_stmt): Same.
629 (block_may_fallthru): Same.
630 (lower_return_expr): Same.
631 * tree-ssa-sink.c (is_hidden_global_store): Same.
632 (statement_sink_location): Same.
633 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
634 * expr.c (safe_from_p): Same.
635 (expand_expr_real): Same.
636 (expand_expr_real_1): Same.
637 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
638 * predict.c (expr_expected_value): Same.
639 (strip_builtin_expect): Same.
640 (apply_return_prediction): Same.
641 (tree_bb_level_predictions): Same.
642 (tree_estimate_probability): Same.
643 * tree-vn.c (vn_compute): Same.
644 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
645 (remove_stmt_from_eh_region_fn): Same.
646 (do_return_redirection): Same.
647 (honor_protect_cleanup_actions): Same.
648 (lower_try_finally_switch): Same.
649 (lower_eh_constructs_1): Same.
650 (tree_could_throw_p): Same.
651 (verify_eh_throw_stmt_node): Same.
652 * function.c (gimplify_parameters): Same.
653 * tree-vectorizer.c (vect_is_simple_use): Same.
654 (vect_is_simple_reduction): Same.
655 * ipa-type-escape.c (scan_for_refs): Same.
656 * tree-if-conv.c (tree_if_conversion): Same.
657 (tree_if_convert_stmt): Same.
658 (if_convertible_gimplify_modify_stmt_p): Rename from
659 if_convertible_modify_expr_p.
660 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
661 (ifc_temp_var): Same.
662 (replace_phi_with_cond_modify_stmt): Rename from
663 replace_phi_with_cond_modify_expr.
664 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
665 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
666 * tree-data-ref.c (find_data_references_in_loop): Adjust for
668 * tree-flow-inline.h (var_ann): Same.
669 (function_ann): Same.
671 (mark_non_addressable): Same.
672 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
673 * gimplify.c (tree_to_gimple_tuple): New.
674 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
675 (gimplify_return_expr): Same.
676 (gimplify_decl_expr): Same.
677 (gimplify_self_mod_expr): Same.
678 (gimplify_cond_expr): Same.
679 (gimplify_init_constructor): Same.
680 (gimplify_modify_expr): Same.
681 (gimplify_expr): Same.
682 (gimplify_function_tree): Same.
683 (force_gimple_operand): Same.
684 * tree-ssa-phiopt.c (conditional_replacement): Same.
685 (minmax_replacement): Same.
686 (abs_replacement): Same.
687 * tree-dfa.c (create_var_ann): Same.
688 (create_function_ann): Same.
689 (create_stmt_ann): Same.
690 (create_tree_ann): Same.
691 (collect_dfa_stats_r): Same.
692 * tree-ssa-pre.c (find_or_generate_expression): Same.
693 (create_expression_by_pieces): Same.
694 (try_look_through_load): Same.
695 (insert_fake_stores): Same.
696 (realify_fake_stores): Same.
697 (compute_avail): Same.
700 (poolify_modify_stmt): Rename from poolify_modify_stmt.
701 Adjust for GIMPLE_MODIFY_STMT.
702 (NECESSARY): Adjust for new `common' layout.
703 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
705 * tree-sra.c (sra_walk_modify_stmt): Rename from
706 sra_walk_modify_expr.
707 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
708 (generate_copy_inout): Same.
709 (generate_element_copy): Same.
710 (generate_element_zero): Same.
711 (scalarize_copy): Same.
712 * tree-mudflap.c (mf_decl_cache_locals): Same.
713 (mf_build_check_statement_for): Same.
714 (mf_xform_derefs): Same.
715 * ipa-prop.c (ipa_method_modify_stmt): Same.
716 * print-tree.c (print_node): Handle gimple tuples.
717 Add case for tcc_gimple_stmt.
718 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
720 (copy_prop_visit_assignment): Same.
721 (copy_prop_visit_stmt): Same.
722 (init_copy_prop): Same.
723 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
724 (forward_propagate_into_cond_1): Same.
725 (find_equivalent_equality_comparison): Same.
726 (tidy_after_forward_propagate_addr): Same.
727 (forward_propagate_addr_expr_1): Same.
728 (simplify_not_neg_expr): Same.
729 (simplify_switch_expr): Same.
730 * tree-ssa-dce.c (find_pdom): Same.
731 (mark_stmt_if_obviously_necessary): Same.
732 (NECESSARY): Adjust for new `common' layout.
734 * tree-vect-patterns.c (widened_name_p): Adjust for
736 (vect_recog_dot_prod_pattern): Same.
737 (vect_recog_widen_sum_pattern): Same.
738 (vect_pattern_recog_1): Same.
739 * tree-nested.c (init_tmp_var): Same.
740 (save_tmp_var): Same.
742 (convert_call_expr): Same.
743 (finalize_nesting_tree_1): Same.
744 * tree-ssa.c (verify_ssa): Same.
745 (delete_tree_ssa): Same.
746 * lambda-code.c (lbv_to_gcc_expression): Same.
747 (lle_to_gcc_expression): Same.
748 (lambda_loopnest_to_gcc_loopnest): Same.
749 (can_put_in_inner_loop): Same.
750 (can_convert_to_perfect_nest): Same.
751 (perfect_nestify): Same.
752 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
753 * tree-inline.c (copy_body_r): Same.
754 (setup_one_parameter): Same.
755 (initialize_inlined_parameters): Same.
756 (estimate_num_insns_1): Same.
757 (expand_call_inline): Same.
758 (gimple_expand_calls_inline): Same.
760 * tree-optimize.c (execute_free_cfg_annotations): Same.
761 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
762 (vect_align_data_ref): Same.
763 (vect_create_data_ref_ptr): Same.
764 (vect_init_vector): Same.
765 (vect_create_epilog_for_reduction): Same.
766 (vectorizable_reduction): Same.
767 (vectorizable_assignment): Same.
768 (vectorizable_operation): Same.
769 (vectorizable_store): Same.
770 (vectorizable_load): Same.
771 (vectorizable_live_operation): Same.
772 (vectorizable_condition): Same.
773 (vect_generate_tmps_on_preheader): Same.
774 (vect_create_cond_for_align_checks): Same.
775 * tree-object-size.c (collect_object_sizes_for): Same.
776 (check_for_plus_in_loops_1): Same.
777 (check_for_plus_in_loops): Same.
778 * tree-outof-ssa.c (insert_copy_on_edge): Same.
779 (replace_use_variable): Same.
780 (check_replaceable): Same.
781 (rewrite_trees): Same.
782 (identical_copies_p): Same.
783 (insert_backedge_copies): Same.
784 * tree-profile.c (tree_gen_edge_profiler): Same.
785 * tree-vect-generic.c (expand_vector_operations_1): Same.
786 * tree-ssa-structalias.c (update_alias_info): Same.
787 (find_func_aliases): Same.
788 * tree-cfg.c (factor_computed_gotos): Same.
790 (make_goto_expr_edges): Same.
791 (tree_merge_blocks): Same.
792 (remove_useless_stmts_cond): Same.
793 (remove_useless_stmts_1): Same.
794 (tree_find_edge_insert_loc): Same.
796 (gimplify_val): Same.
797 (verify_gimple_tuples_1): New.
798 (verify_gimple_tuples): New.
799 (verify_stmts): Call verify_gimple_tuples.
800 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
801 (get_unary_op): Same.
802 (linearize_expr): Same.
803 (get_single_immediate_use): Same.
804 (negate_value): Same.
805 (should_break_up_subtract): Same.
806 (break_up_subtract): Same.
807 (repropagate_negates): Same.
808 (break_up_subtract_bb): Same.
809 (reassociate_bb): Same.
810 * config/i386/i386.c (ix86_va_start): Same.
811 (ix86_gimplify_va_arg): Same.
812 * stmt.c (expand_expr_stmt): Same.
813 (warn_if_unused_value): Same.
814 (expand_return): Same.
815 * tree-ssanames.c (make_ssa_name): Same.
816 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
817 * tree-ssa-operands.c (finalize_ssa_defs): Same.
818 (add_virtual_operand): Same.
819 (get_expr_operands): Same.
820 (parse_ssa_operands): Same.
821 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
823 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
825 * config.host: Remove extra blank line.
827 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
829 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
830 target is also an x86 variant.
832 2006-12-05 Richard Guenther <rguenther@suse.de>
834 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
835 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
836 (ix86_builtin_vectorized_function): New function to vectorize
839 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
841 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
842 ia64_override_options.
844 2006-12-04 Jan Hubicka <jh@suse.cz>
846 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
849 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
851 * rtlanal.c (note_uses): Deal with SEQUENCEs.
852 * config/bfin/bfin.c: Include "timevar.h".
853 (bfin_flag_schedule_insns2, splitting_for_sched,
854 bfin_flag_var_tracking): New variables.
855 (print_operand): Handle '%!'.
856 (override_options): Disable normal sched2 pass, instead set
857 bfin_flag_schedule_insns2 for reorg to handle it.
858 (output_file_start): Likewise for var-tracking.
859 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
860 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
862 (bfin_reorg): Do second scheduling pass here, and call
863 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
864 of examining insns directly. If bfin_flag_var_tracking, call
865 var-tracking pass when done with everything else.
866 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
867 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
868 (movsi_insn32): New pattern, with two new splits to create it
869 before the final scheduling pass.
870 (neghi2): Not a dsp32 insn, rather alu0.
871 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
872 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
873 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
874 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
875 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
876 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
877 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
878 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
879 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
880 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
881 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
882 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
883 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
884 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
885 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
886 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
887 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
888 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
889 variants instead of ';'.
890 (ror_one, rol_one): Likewise. Make them dsp32 insns.
891 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
892 (align8, align16, align24): Now named patterns; also using '%!'.
895 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
897 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
898 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
900 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
902 * config/spu/spu-protos.c (spu_split_address): Add.
903 * config/spu/spu.c (spu_split_address): Add.
904 (print_operand): Handle HIGH.
905 (spu_legitimate_address): Don't test for aligned CONST.
906 (spu_expand_mov): Don't split addresses here.
907 * config/spu/constraints.md (A): Don't test legitimate_const.
908 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
909 (ceq_di): Use correct predicates.
911 2006-12-04 Eric Christopher <echristo@apple.com>
913 * config/darwin.h: Update copyright notice.
914 * config/i386/darwin.h: Ditto.
916 2006-12-04 Jan Hubicka <jh@suse.cz>
918 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
919 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
921 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
923 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
925 * tree-ssa-structalias.c (set_used_smts): Export.
926 (find_what_p_points_to): Don't call set_used_smts here.
927 * tree-ssa-structalias.h (set_used_smts): Add prototype.
929 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
931 * tree-ssa-alias.c (compute_may_aliases):
932 Compute flow sensitive before flow insensitive.
933 (compute_flow_sensitive_aliasing): Don't try to add
934 a symbol memory tag to itself.
936 * alias.h (alias_set_subset_of): New prototype.
938 * alias.c (alias_set_subset_of): New function.
940 * tree-ssa-structalias.c: Update comments.
941 (struct variable_info): Add finished_solution.
942 (new_varinfo): Set finished solution to NULL.
943 (var_escaped_vars): Remove.
944 (escaped_vars_tree): Remove.
945 (escaped_vars_id): Remove.
946 (nonlocal_vars_id): Remove.
947 (constraint_expr_type): Add INCLUDES.
948 (graph_size): Removed.
949 (dump_constraint): Support INCLUDES.
950 (build_constraint_graph): Ditto.
951 (collapse_nodes): Add merge_solutions argument.
952 Don't merge attributes.
953 (process_unification_queue): Just use collapse_nodes.
954 (perform_var_substitution): Update call to collapse_nodes.
955 (get_constraint_exp_from_ssa_var): Use INCLUDES.
956 (process_constraint): Fix non-field sensitive handling
958 (get_constraint_for): Use INCLUDES.
959 (make_constraint_from_anything): Renamed from
960 make_constraint_from_escaped.
961 (make_constraint_to_escaped): Removed.
962 (find_global_initializers): Removed.
963 (create_variable_info_for): Do not make constraints to escaped
965 (dump_solution_for_var): Don't print out the equivalent points-to
966 sets, just use the name of the variable it shares it with.
967 (intra_create_variable_infos): Use INCLUDES.
968 Change nonlocal variable sets to anything sets.
969 (init_base_vars): Remove escaped_vars and nonlocal_var
971 (find_escape_constraints): Removed.
972 (delete_points_to_sets): Remove dead code.
973 (used_smt_calculated): New variable.
974 (set_used_smts): New function.
975 (merge_smts_into): New function.
976 (find_what_p_points_to): Modify to use SMTs.
977 (create_nonlocal_var): Remove.
979 * tree-ssa-operands.c (access_can_touch_variable): Remove
980 reference to nonlocal_all.
982 * tree-ssa.c (verify_name_tags): Remove.
984 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
986 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
987 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
989 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
991 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
992 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
993 (add_livein_if_notdef): Delete.
994 (loe_visit_block): New. Propogate live on entry info for a block into
995 each predecessor. If it changes, make sure it is visited again.
996 (live_worklist): Visit every block and update the live on entry info
997 for preds. Iterate over any that changed.
998 (set_var_live_on_entry): Populate the live on entry blocks with bits
999 based on the immediate uses of a var.
1000 (calculate_live_on_entry): Remove.
1001 (calculate_live_on_exit): Calculate live on exit based on the newly
1002 oriented live on entry bits.
1003 (calculate_live_ranges): Build live on entry and exit vectors.
1004 (dump_live_info): Use new orientation of live on entry bitmaps.
1005 (verify_live_on_entry): New. Split out verification code from old
1006 calculate_live_on_entry routine.
1007 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1008 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1009 basic_block instead of for a partition.
1010 (live_merge_and_clear): Add asserts.
1011 (make_live_on_entry): Set partition bit in basic block vector.
1013 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1016 * omp-low.c (expand_omp_for_static_nochunk,
1017 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1021 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1022 parallels if region->exit or region->inner->exit is NULL.
1023 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1025 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1026 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1027 or region->exit is NULL.
1028 (expand_omp_sections): Handle NULL region->cond or region->exit.
1031 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1033 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1034 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1036 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1038 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1039 TYPE_MAX_VALUE for scalar types here but...
1040 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1041 is attached an error mark, and the return value of the callback
1042 if it is not NULL_TREE.
1044 2006-12-04 Ben Elliston <bje@au.ibm.com>
1046 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1048 2006-12-03 Eric Christopher <echristo@apple.com>
1051 * config/t-slibgcc-darwin: Pass -install_name.
1052 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1053 libtool. Only pass through options that the linker recognizes.
1054 (LINK_SPEC): Update comment. Translate options.
1055 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1056 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1058 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1060 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1062 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1065 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1066 operands[1] in insn constraint. Correct type attribute to sselog1.
1068 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1071 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1073 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1074 processor detection.
1076 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1077 -march=native if there is no -mtune=*.
1079 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1082 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1084 * doc/install.texi: Update recommended MPFR version. Remove
1085 obsolete reference to cumulative patch.
1087 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1090 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1092 2006-11-30 Jan Hubicka <jh@suse.cz>
1093 Uros Bizjak <ubizjak@gmail.com>
1095 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1096 32bit memcpy/memset decriptors.
1097 (decide_alg): With -minline-all-stringops and sizes that are best
1098 to be copied via libcall still work hard enough to pick non-libcall
1101 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1103 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1105 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1106 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1107 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1108 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1109 config/spu/spu-c.c, config/spu/spu-modes.def,
1110 config/spu/spu.c, config/spu/spu.md,
1111 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1112 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1113 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1114 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1115 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1116 spelling conventions.
1118 * config/i386/i386.c: Fix a comment typo.
1120 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1122 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1123 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1124 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1125 better optimization.
1126 (floatv4siv4sf2): New.
1127 (fix_truncv4sfv4si2): New.
1128 (floatunsv4siv4sf2): New.
1129 (fixuns_truncv4sfv4si2): New.
1137 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1138 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1139 spu_resolve_overloaded_builtin instead of static inline functions.
1141 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1143 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1144 type instead of the size of its mode to compute the highest and
1145 lowest possible values. Still check the size of the mode before
1146 flipping the signedness of the comparison.
1148 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1150 * config/spu/predicates.md (spu_mov_operand): Add.
1151 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1152 (print_operand_address, print_operand): Handle addresses containing AND.
1153 (spu_split_load, spu_split_store): Use updated movti pattern.
1154 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1155 stores in mov patterns for correct operation of reload.
1156 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1158 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1161 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1163 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1165 * common.opt (ftree-combine-temps): Remove.
1166 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1167 (coalesce_ssa_name): Don't check for combine-temps.
1168 (coalesce_vars): Remove.
1169 (check_replaceable): Use num_imm_uses.
1170 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1171 check for combine-temps.
1172 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1173 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1174 to register_ssa_partition calls.
1175 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1176 (init_var_map, delete_var_map): remove refernces to ref_count.
1177 (create_ssa_var_map): Never calculate a ref count.
1178 (type_var_init): Remove.
1179 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1180 (SSA_VAR_MAP_REF_COUNT): Delete.
1181 (create_ssa_var_map): Change Prototype to have no parameters.
1182 (version_ref_count): Delete.
1183 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1185 (type_var_num, type_var, type_var_first_partition,
1186 type_var_next_partition, type_var_dump, type_var_delete,
1187 type_var_remove_partition, type_var_find, type_var_compact,
1188 type_var_decompact): Remove.
1190 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1192 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1195 2006-12-01 Richard Guenther <rguenther@suse.de>
1198 * dwarf2out.c (struct pubname_struct): Make name const.
1199 (add_pubtype): Do not xstrdup identifiers.
1201 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1203 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1204 multiword accesses are in range.
1206 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1208 PR tree-optimization/29921
1209 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1210 (set_lattice_value): Use canonicalize_float_value.
1212 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1214 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1215 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1216 (spu_cpu_cpp_builtins): Remove.
1217 (spu_override_options): Don't set warn_main.
1218 (spu_force_reg): Move from spu-c.c.
1219 (spu_check_builtin_parm): Likewise.
1220 (expand_builtin_args): Likewise.
1221 (spu_expand_builtin_1): Likewise.
1222 (spu_expand_builtin): Likewise.
1223 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1224 warn_main and targetm.resolve_overloaded_builtin.
1225 * config/spu/spu-c.c (spu_builtin_range): Remove.
1226 (spu_check_builtin_parm): Remove.
1227 (expand_builtin_args): Remove.
1228 (spu_expand_builtin_1): Remove.
1229 (spu_expand_builtin): Remove.
1230 (spu_cpu_cpp_builtins): Moved from spu.c
1231 (spu_force_reg): Remove.
1233 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1234 David Edelsohn <edelsohn@gnu.org>
1237 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1238 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1239 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1240 HARD_REGNO_NREGS_WITH_PADDING): Define.
1241 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1242 HARD_REGNO_NREGS_WITH_PADDING): Define.
1243 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1244 Use new macros to detect modes with holes; do not look at integer
1246 (subreg_offset_representable_p): Check for and disallow cases
1247 where the modes use different numbers of bits from registers.
1248 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1249 constant for soft-float.
1250 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1252 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1253 in E500 double case.
1254 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1255 (movtf_softfloat): New.
1257 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1259 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1260 simplify_gen_subreg.
1262 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1264 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1265 (COALESCE_HASH_FN): New. Define hash function.
1266 (partition_pair_map_hash): New. Hash value for a partition pair.
1267 (partition_pair_map_eq): New. Equality for hash pairs.
1268 (create_coalesce_list): Create hash table.
1269 (delete_coalesce_list): Free hash table.
1270 (find_partition_pair): Find/create pairs in hash table.
1271 (compare_pairs): Sort pairs in ascending order now.
1272 (num_coalesce_pairs): New. Number of pairs in hash table.
1273 (struct partition_pair_iterator): Iterator struct for pair table.
1274 (first_partition_pair): Iterator function for first pair.
1275 (end_partition_pair_p): Iterator function for end of iteration.
1276 (next_partition_pair): Iterator function for next pair.
1277 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1278 (sort_coalesce_list): Sort pairs from hash table into an array.
1279 (pop_best_coalesce): Take pairs from the array.
1280 (dump_coalesce_list): Update to use hash table or sorted array.
1281 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1282 (struct coalesce_list_d): Add hash table related fields.
1284 2006-11-30 Jan Hubicka <jh@suse.cz>
1287 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1288 memmove/bcopy->memcpy conversion.
1290 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1292 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1293 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1294 Default is the largest alignment supported for 32-bit ELF and
1295 representable on a 32-bit host.
1297 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1299 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1301 2006-11-30 Jan Hubicka <jh@suse.cz>
1303 * tree-ssa-operands.h (struct ssa_operands): New.
1304 * tree-flow-inline.h (gimple_ssa_operands): New function.
1305 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1306 * Makefile.in: Remove gt-tree-ssa-operands.h
1307 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1308 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1309 operand_memory, operand_memory_index, ops_active): Remove statics.
1310 (ALLOC_OPTYPE): Update.
1311 (operand_build_sort_virtual): Update.
1312 (ssa_operands_active): Update.
1313 (init_ssa_operands): Update.
1314 (fini_ssa_operands): Update.
1315 (ssa_operand_alloc): Update.
1316 (INITIALIZE_USE): Update.
1317 (finalize_ssa_use_ops): Update.
1318 (finalize_ssa_v_may_def_ops): Update.
1319 (finalize_ssa_vuse_ops): Update.
1320 (finalize_ssa_v_must_def_ops): Update.
1322 2006-11-30 Richard Guenther <rguenther@suse.de>
1324 * tree-vectorizer.h (vectorizable_function): Export.
1325 * tree-vect-transform.c (vectorizable_function): Likewise.
1326 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1327 type_in to scalar type in recognition of squaring.
1328 Make sure the target can vectorize sqrt in recognition
1329 of sqrt, set type_in to vector type in this case.
1331 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1333 * config/i386/i386.md (R10_REG): New constant.
1334 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1335 (ix86_emit_restore_regs_using_mov): Ditto.
1336 (ix86_expand_call): Ditto.
1337 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1339 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1341 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1342 * alias.c (canon_true_dependence): Update comment.
1344 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1346 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1347 at the end of a diagnostics message.
1349 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1350 until after asserting that it was allocated in the right pool.
1352 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1353 successor edge information as well. Make output of live regs
1354 on exit consistent with live regs on entry.
1356 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1359 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1360 insn patterns for TARGET_80387.
1361 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1362 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1363 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1364 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1365 Generate truncxf<mode>2 insn patterns for strict SSE math.
1367 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1369 * config/i386/i386.md (movsf_1): Enable pattern for standard
1370 80387 constants before reload when optimizing for size.
1371 (*movdf_nointeger, *movdf_integer): Ditto.
1372 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1373 80387 constants before reload when not optimizing for size.
1375 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1376 extension of XFmode input operands.
1378 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1380 * config/spu/crt0.c (__dso_handle): Define.
1382 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1384 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1385 when clearing the used flags.
1387 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1389 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1391 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1394 * config/spu/spu.md (extend_compare<mode>): New pattern.
1395 (extend_compare): Change to expand and use the above pattern.
1397 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1399 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1401 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1402 (DFP_INIT_ROUNDMODE): Define.
1403 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1404 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1406 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1408 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1409 Update documentation.
1410 (associate_line_notes_with_blocks): Kill.
1411 (extend_bb): Remove basic block argument, put void instead.
1412 Remove line number handling for each bb.
1413 (save_line_notes): Kill.
1414 (restore_line_notes): Kill.
1415 (sched_init): Remove line_note_head initialization.
1416 Change extend_bb call.
1417 (sched_finish): Remove free of line_note_head.
1418 (add_block): Change extend_bb call.
1419 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1420 rm_line_notes and restore_line_notes calls.
1421 (schedule_ebbs): Remove rm_redundant_line_notes.
1422 * sched-int.h (struct haifa_insn_data): Remove line_note.
1423 (save_line_notes): Remove declaration.
1424 (restore_line_notes): Remove declaration.
1425 * modulo-sched.c (loop_canon_p): Update debug info printing
1426 by using insn locators instead of line note.
1427 (sms_schedule): Update debug info printing, by using insn
1428 locators instead of line note.
1429 * sched-rgn.c (debug_dependencies): Remove handling of case
1430 n>0 (line number), since it's a dead code.
1431 (schedule_region): Remove save_line_notes and
1432 restore_line_notes calls.
1434 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1436 * config/rs6000/predicates.md (gpc_reg_operand): Check
1437 invalid_e500_subreg.
1438 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1439 SImode subregs of SPE vectors.
1440 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1441 * jump.c (true_regnum): Require subregs to satisfy
1442 subreg_offset_representable_p.
1444 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1445 Steven Bosscher <stevenb.gcc@gmail.com>
1447 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1448 since it no longer exists.
1450 2006-11-29 Duncan Sands <baldrick@free.fr>
1452 PR tree-optimization/23744
1453 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1455 2006-11-29 Duncan Sands <baldrick@free.fr>
1457 PR tree-optimization/23744
1458 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1460 2006-11-29 Duncan Sands <baldrick@free.fr>
1462 PR tree-optimization/23744
1463 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1465 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1467 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1469 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1471 * sh.opt (minline-ic_invalidate): New option.
1472 (musermode): Adjust comment.
1473 * sh.c (sh_initialize_trampoline): Emit library call unless
1474 is set; if it is set, don't emit library call if we can use icbi
1476 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1477 icbi for TARGET_SH4_300.
1478 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1479 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1480 -musermode documentation.
1482 2006-11-29 Jim Tison <jtison@us.ibm.com>
1484 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1485 __gthread_recursive_mutex_init): Define.
1487 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1489 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1490 STRICT_ALIGNMENT and the type is more aligned than the saved
1491 registers, copy via a temporary.
1493 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1496 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1499 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1501 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1503 2006-11-28 Jan Hubicka <jh@suse.cz>
1505 Privatize SSA variables into gimple_df.
1506 * tree-flow-inline.h
1507 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1508 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1509 gimple_nonlocal_all): New accessors.
1510 (first_referenced_var): Update.
1511 (mark_stmt_modified): Update.
1512 (is_call_clobbered): Update.
1513 (mark_call_clobbered): Update.
1514 (clear_call_clobbered): Update.
1515 (mark_non_addressable): Update.
1516 * tree-vrp.c (get_value_range): Update.
1517 * tree-into-ssa.c (in_ssa_p): Kill.
1518 (get_default_def_for): Update.
1519 (rewrite_into_ssa): Update.
1520 * tree-complex.c (init_parameter_lattice_values): Update.
1521 (update_complex_assignment): Update.
1522 (update_parameter_components): Update.
1523 (expand_complex_libcall): Update.
1524 (expand_complex_operations_1): Update.
1525 * tree-tailcall.c (arg_needs_copy_p): Update.
1526 (add_virtual_phis): Update.
1527 (tree_optimize_tail_calls_1): Update.
1528 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1529 * tree-ssa-copyrename.c
1530 (copy_rename_partition_coalesce): Update.
1531 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1532 * tree-ssa-propagate.c (set_rhs): Update.
1533 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1534 addressable_vars, global_var):Kill.
1535 (set_initial_properties): Update.
1536 (init_alias_info): Update.
1537 (finalize_ref_all_pointers): Update.
1538 (setup_pointers_and_addressables): Update.
1539 (maybe_create_global_var): Update.
1540 (create_global_var): Update.
1541 (dump_points_to_info): Update.
1542 * function.h (struct gimple_df): Forward declare.
1543 (struct function): Add GIMPLE_DF field.
1544 * gimplify.c (force_gimple_operand): Update.
1545 * tree-dfa.c (referenced_vars, default_defs): KIll.
1546 (make_rename_temp): Update.
1547 (dump_variable): Update.
1548 (referenced_var_lookup): Update.
1549 (referenced_var_check_and_insert): Update.
1550 (default_def): Rename to ...
1551 (gimple_default_def): ... this one; accept cfun argument.
1552 (set_default_def): Update.
1553 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1554 (cleanup_control_flow): Update.
1555 * tree-ssa-pre.c (compute_avail): Update
1556 * tree-ssa-live.c (calculate_live_on_entry): Update.
1557 * tree-ssa.c (verify_use): Update.
1558 (verify_call_clobbering): Update.
1559 (verify_call_clobbering): Update.
1560 (init_tree_ssa): Update.
1561 (delete_tree_ssa): Update.
1562 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1563 (rewrite_out_of_ssa): Update.
1564 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1565 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1567 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1568 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1569 addressable_vars, aliases_computed_p): Kill.
1570 (default_def): Rename to...
1571 (gimple_default_def): ... this one.
1572 (defaule_def_fn): Kill.
1573 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1574 * tree-ssa-structalias.c (nonlocal_all): Kill.
1575 (get_constraint_exp_from_ssa_var): Update.
1576 (create_nonlocal_var): Update.
1577 (get_constraint_for): Update.
1578 (update_alias_info): Update.
1579 (find_global_initializers): Update.
1580 (intra_create_variable_infos): Update.
1581 (intra_create_variable_infos):
1582 (find_what_p_points_to): Update.
1583 (init_alias_heapvars): Update.
1584 * tree-cfg.c (remove_bb): Update.
1585 (gimplify_val): Update.
1586 * tree-ssa-reassoc.c (get_rank): Update.
1587 (init_reassoc): Update.
1588 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1589 (ssa_names, free_ssanames): Kill.
1590 (init_ssanames): Update.
1591 (make_ssa_name): Update.
1592 (release_ssa_name): Update.
1593 (release_defs): Update.
1594 (replace_ssa_name_symbol): Update.
1595 * tree-ssa-operands.c (access_can_touch_variable): Update.
1596 (add_virtual_operand): Update.
1597 (add_call_clobber_ops): Update.
1598 (add_call_read_ops): Update.
1599 (get_call_expr_operands): Update.
1600 (get_asm_expr_operands): Update.
1602 2006-11-28 Jan Hubicka <jh@suse.cz>
1604 * builtins.c: Include tree-flow.h.
1605 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1606 assignment; convert memmove to memcpy for sizes greater than 1 where
1607 alignment of operands prohibit the partial overlap.
1609 2006-11-28 Jan Hubicka <jh@suse.cz>
1611 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1612 * cgraph.c (dump_cgraph_node): Dump stack usage.
1613 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1614 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1615 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1616 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1617 (cgraph_check_inline_limits): Limit stack growth.
1618 * cfgexpand.c: Include tree-inline.h.
1619 (account_stack_vars): New function.
1620 (expand_one_var): New param to just account the stack; return estimated
1622 (expand_used_vars_for_block): Update call of expand_one_var.
1623 (account_used_vars_for_block): New function.
1624 (estimated_stack_frame_size): Likewise.
1625 (init_vars_expansion, fini_vars_expansion): Break out from..
1626 (expand_used_vars): ... here.
1627 * tree-inline.h (estimated_stack_frame_size): Declare.
1628 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1630 2006-11-28 Richard Guenther <rguenther@suse.de>
1632 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1633 unsigned long for printing OBJECT_SIZE.
1635 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1637 * alias.c (init_alias_analysis): Remove simplification loop
1638 after propagating pointers.
1640 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1642 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1645 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1647 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1649 2006-11-27 Roger Sayle <roger@eyesopen.com>
1650 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1652 * c-common.c (constant_fits_type_p): Delete.
1653 (unsigned_conversion_warning): Delete.
1654 (conversion_warning): Integrate Wconversion warning from
1655 unsigned_conversion_warning.
1656 (convert_and_check): Integrate Woverflow warning from
1657 unsigned_conversion_warning. Reorganize and simplify to avoid
1658 dependence upon the middle-end setting TREE_OVERFLOW on integral
1659 conversions, by using int_fits_type_p directly.
1661 2006-11-27 Tobias Burnus <burnus@net-b.de>
1663 * doc/invoke.texi: Fixed typo.
1665 2006-11-27 Michael Matz <matz@suse.de>
1666 Andreas Krebbel <krebbel1@de.ibm.com>
1669 * config/s390/predicates.md (larl_operand): Check addend of larl
1670 operand to be in range of -/+2GB.
1671 * config/s390/s390.c (legitimize_pic_address): Likewise.
1672 Changed type of variable even to HOST_WIDE_INT.
1674 2006-11-27 Jan Hubicka <jh@suse.cz>
1676 * expr.c (emit_block_move_via_libcall): Export.
1677 (clear_storage_via_libcall): Rename to ...
1678 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1679 (clear_storage): Update to set_storage_via_libcall.
1680 * expr.h (emit_block_move_via_libcall): Declare
1681 * config/i386/i386.h (stringop_alg): New enum.
1682 (MAX_STRINGOP_ALGS): New constant.
1683 (stringop_algs): New struct.
1684 (processor_costs): Add memcpy/memset descriptors.
1685 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1686 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1687 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1689 * config/i386/i386.opt (minline-stringops-dynamically,
1690 mstringop-strategy): New
1692 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1693 (ix86_expand-clrmem): Rename to ...
1694 (ix86_expand_setmem): ... this one; update prototype.
1695 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1696 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1697 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1698 nocona_cost, core2_cost, generic_cost, generic64_cost,
1699 generic32_cost): Add memcpy/memset descriptors.
1700 (x86_rep_movl_optimal): Remove.
1701 (stringop_alg): New static variable.
1702 (ix86_expand_aligntest): Handle predictions.
1703 (override_options): Add strgop_alg handling.
1704 (predict_jump): New function.
1705 (scale_counter): New function.
1706 (expand_set_or_movmem_via_loop): New function.
1707 (expand_movmem_via_rep_mov): New function.
1708 (expand_setmem_via_rep_stots): New function.
1709 (emit_strmov): New function.
1710 (expand_movmem_epilogue): New function.
1711 (expand_setmem_epilogue_via_loop): New function.
1712 (expand_setmem_epilogue): New function.
1713 (expand_movmem_prologue): New function.
1714 (expand_setmem_prologue): New function.
1715 (decide_alg): New function.
1716 (decide_alignment): New function.
1717 (ix86_exand_movmem): Rewrite.
1718 (promote_duplicated_reg): New function.
1719 (ix86_expand_clrmem): Rename to ...
1720 (ix86_expand_setmem): ... this one. Rewrite.
1722 * invoke.texi (minline-stringops-dynamically): New command line option.
1723 (mstringop-strategy): Likewise.
1725 2006-11-27 Jan Hubicka <jh@suse.cz>
1727 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1728 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1729 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1730 * insn-notes.def (FUNCTION_END): Remove.
1731 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1732 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1734 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1735 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1736 * cfglayout.c (duplicate_insn_chain): Don't worry about
1739 2006-11-27 Richard Guenther <rguenther@suse.de>
1740 Zdenek Dvorak <dvorakz@suse.cz>
1742 * target.h (struct gcc_target): Add builtin_vectorized_function
1744 * target-def.h (TARGET_VECTORIZE): Likewise.
1745 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1746 Document new target hook.
1747 * targhooks.h (default_builtin_vectorized_function): Declare.
1748 * targhooks.c (default_builtin_vectorized_function): Define.
1749 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1750 (vectorizable_call): Declare.
1751 * tree-vect-analyze.c (vect_analyze_operations): Call
1753 * tree-vect-transform.c (vectorizable_function): New static function.
1754 (build_vectorized_function_call): Likewise.
1755 (vectorizable_call): New function.
1756 (vect_transform_stmt): Handle vectorizable calls.
1758 2006-11-27 Richard Guenther <rguenther@suse.de>
1761 * builtins.c (expand_builtin_pow): Optimize non integer valued
1762 constant exponents using sqrt or cbrt if possible. Always fall back
1763 to expanding via optabs.
1765 2006-11-27 Ira Rosen <irar@il.ibm.com>
1767 PR tree-optimization/22372
1768 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1769 the type of the base address.
1770 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1771 it in the data-ref pointer creation.
1772 (vect_init_vector): Add an argument, type of the init vector. Use it in
1774 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1775 (get_initial_def_for_reduction): Likewise.
1776 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1778 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1779 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1780 correct type in stmt creation.
1781 (vect_setup_realignment): Use the correct type in stmt creation.
1782 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1784 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1785 of MODIFY_EXPR to void_type_node.
1786 (vectorizable_condition): Change type of MODIFY_EXPR to
1788 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1791 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1794 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1795 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1796 standard 80387 constants, raise the cost to prevent
1797 compress_float_constant() to generate load from memory.
1799 * config/i386/i386.md: Add new splitter pattern to split
1800 float_extended load of constant from constant pool into
1803 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1805 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1806 section to general section. Remove documentation for
1807 --with-mpfr-dir and --with-gmp-dir, add documentation for
1808 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1811 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1813 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1815 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1817 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1819 PR tree-optimization/29122
1820 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1821 for the new version. Assign NULL to DECL_RTL of the new version.
1823 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1825 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1827 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1829 * cse.c (cse_altered): Remove.
1830 (record_jump_equiv): Make true/false argument a bool instead
1832 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1833 where appropriate. Emit a new jump before the existing one
1834 instead of after so that delete_insn_and_edges removes the
1835 dead edges properly. Check any_condjump_p before calling
1837 (cse_basic_block): Check any_condjump_p before calling
1839 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1841 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1843 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1844 -ffixed-line-length-* options.
1846 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1848 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1849 (fprem1xf4): Rename to fprem1xf4_i387.
1851 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1852 Rename patterns to fmod<mode>3. Use general_operand operand
1853 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1854 patterns for SSE math.
1855 (remaindersf3, remainderdf3): Ditto.
1857 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1859 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1860 inside start_sequence / end_sequence pair.
1862 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1864 * jump.c (mark_all_labels): Work in cfglayout mode.
1865 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1866 when in cfglayout mode, because there are no dead jumptables
1868 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1870 (commit_edge_insertions): Do not allow insertion of instructions
1871 with control flow insns when in cfglayout mode.
1873 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1875 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1877 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1878 unswitch_loop): Ditto.
1879 * tree-loop-linear.c (linear_transform_loops): Ditto.
1880 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1881 tree_ssa_lim): Ditto.
1882 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1883 free_numbers_of_iterations_estimates): Ditto.
1884 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1885 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1886 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1887 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1888 place_new_loop, duplicate_loop, duplicate_subloops,
1889 update_single_exit_for_duplicated_loops, copy_loops_to,
1890 duplicate_loop_to_header_edge, create_preheaders,
1891 force_single_succ_latches, loop_version, fix_loop_structure):
1893 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1894 tree_unroll_loop): Ditto.
1895 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1896 * tree-scalar-evolution.c (select_loops_exit_conditions,
1897 scev_initialize, scev_analysis): Ditto.
1898 * tree-scalar-evolution.h (scev_initialize): Ditto.
1899 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1900 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1901 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1902 * modulo-sched.c (sms_schedule): Ditto.
1903 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1904 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1905 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1906 * ifcvt.c (if_convert): Ditto.
1907 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1908 canonicalize_loop_induction_variables,
1909 canonicalize_induction_variables,
1910 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1911 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1912 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1913 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1914 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1915 tree_ssa_loop_done): Ditto.
1916 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1917 estimate_bb_frequencies): Ditto.
1918 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1919 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1920 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1921 decide_unrolling_and_peeling, peel_loop_completely,
1922 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1923 peel_loop_simple, unroll_loop_stupid): Ditto.
1924 * loop-doloop.c (doloop_optimize_loops): Ditto.
1925 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1926 * loop-invariant.c (move_loop_invariants): Ditto.
1927 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1928 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1929 tree_ssa_prefetch_arrays): Ditto.
1930 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1932 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1933 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1934 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1935 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1936 verify_loop_structure): Ditto.
1937 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1938 canonicalize_induction_variables, tree_unroll_loops_completely,
1939 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1940 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1941 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1942 tree_unroll_loop, linear_transform_loops): Declaration changed.
1943 * basic-block.h: Remove declaration of struct loops.
1944 * cfghooks.h (struct cfg_hooks): Change type of
1945 cfg_hook_duplicate_loop_to_header_edge.
1946 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1947 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1948 vect_transform_loop): Declaration changed.
1949 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1950 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1951 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1952 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1953 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1954 loopify, loop_version, remove_path, unswitch_loops,
1955 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1956 Declaration changed.
1958 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1960 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1961 (X87MODEF): New mode macro.
1962 (ssemodefsuffix): New mode attribute.
1963 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1964 (sqrt_extend<mode>xf2_i387): New insn pattern.
1965 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1966 insn and truncate result back to original mode using
1967 UNSPEC_TRUNC_NOOP truncation.
1968 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1969 ssemodefsuffix mode attribute.
1970 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1971 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1972 (*sqrtextenddfxf2_i387): Remove insn patterns.
1974 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1975 truncation patterns.
1977 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1979 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1982 * c-tree.h (c_maybe_initialize_eh): New prototype.
1983 * c-decl.c (finish_decl): Move EH initialization...
1984 (c_maybe_initialize_eh): ... here. New function.
1985 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1986 if not #pragma omp atomic.
1989 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1990 or UNION_TYPE inner types.
1992 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1995 * ipa-pure-const.c (check_tree): If the original tree
1996 is volatile return early and say the function is not pure
1997 nor const. Remove the volatile check for writes.
1998 (analyze_function): Print out the result of the local
2001 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2003 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2005 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2006 * config/rs6000/rs6000.c (rs6000_override_options): Use
2007 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2010 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2012 * config/s390.c (s390_emit_compare_and_swap): New function.
2013 (s390_expand_cs_hqi, s390_expand_atomic): Call
2014 s390_emit_compare_and_swap.
2016 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2018 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2020 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2024 * c-common.c (conversion_warning): New.
2025 (convert_and_check): Call conversion_warning unless there is an
2027 * doc/invoke.texi (-Wconversion): Update description.
2029 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2031 * tree-ssa-alias.c (tree_pointer_compare): New function.
2032 (compact_name_tags): New function.
2033 (group_aliases): Call compact_name_tags.
2035 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2037 * real.h (real_isinteger): Declare.
2038 * real.c (real_isinteger): Define.
2039 * builtins.c (integer_valued_real_p): Use it.
2041 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2044 * c.opt (Wtraditional-conversion): New.
2045 (Wconversion): Update description.
2046 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2047 type conversions different from what would happen in the absence
2048 of prototype are now handled by Wtraditional-conversion.
2049 * doc/invoke.texi (Wtraditional-conversion): New.
2050 (Wconversion): Update description.
2051 * doc/trouble.texi (Wconversion): Replace Wconversion by
2052 Wtraditional-conversion.
2054 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2056 * predict.c (tree_estimate_probability): Check to make
2057 sure current_loops is non null before calling flow_loops_dump.
2059 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2061 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2063 2006-11-23 David Ung <davidu@mips.com>
2065 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2067 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2068 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2069 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2070 high part of FP register when in 64-bit FP register mode. Similarly
2071 use gen_mfhc1 to load high part of FP register.
2072 (override_options): Allow -mgp32 and -mfp64 combination if
2073 ISA_HAS_MXHC1 (currently for O32 only).
2074 (mips_cannot_change_mode_class): If floating-point registers are
2075 bigger than word size. disallow conversion of float register from a
2076 large integer mode to a float mode smaller than the float register
2078 (mips_class_max_nregs): Handle float registers case seperately.
2079 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2081 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2082 (movdf_hardfloat_32bit): Similarly.
2083 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2084 support a full 64-bit fpu.
2085 (mthc1): New pattern to generate MTHC1 instruction.
2086 (mfhc1): New pattern to generate MFHC1 instruction.
2087 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2088 option for the MIPS32R2 and mention its use under O32 ABI.
2090 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2092 * var-tracking.c (emit_note_insn_var_location): Take care not to
2093 cause verify_flow_info failures.
2095 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2097 * tree-ssa-structalias.c: Remove edge weights in favor of just
2098 processing them as complex constraints.
2099 (struct constraint_graph): Remove weighted succs and preds. Rename
2100 nonweighted succs and preds.
2101 (constraint_edge): Removed.
2102 (constraint_edge_t): Ditto.
2103 (constraint_edge_pool): Ditto.
2104 (new_constraint_edge): Ditto.
2105 (constraint_edge_equal): Ditto.
2106 (constraint_edge_less): Ditto.
2107 (constraint_edge_vec_find): Ditto.
2108 (erase_self_graph_edge): Ditto.
2109 (add_graph_edge): Removed.
2110 (get_graph_weights): Ditto.
2111 (allocate_graph_weights): Ditto.
2112 (valid_weighted_graph_edge): Ditto
2113 (bitmap_other_than_zero_bit_set): Ditto.
2114 (int_add_graph_edge): Renamed to add_graph_edge.
2115 (clear_edges_for_node): Remove support for weighted edges.
2116 (merge_graph_nodes): Ditto.
2117 (valid_graph_edge): Ditto.
2118 (build_constraint_graph): Ditto.
2120 (collapse_nodes): Ditto.
2121 (process_unification_queue): Ditto.
2122 (topo_visit): Ditto.
2123 (do_ds_constraint): Ditto.
2124 (perform_var_subsitution): Ditto.
2125 (solve_graph): Ditto.
2126 (init_alias_vars): Ditto.
2127 (delete_points_to_sets): Ditto.
2128 (do_complex_constraint): Support offsetted copies here.
2130 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2132 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2134 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2136 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2139 2006-11-23 Ben Elliston <bje@au.ibm.com>
2141 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2143 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2145 PR tree-optimization/29921
2146 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2147 signed and unsigned zero equal.
2149 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2151 * config/rs6000/rs6000.c (get_store_dest): New.
2152 (adjacent_mem_locations): Use get_store_dest() to get
2153 the rtl of the store destination.
2155 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2157 * config/rs6000/spe.md (SPE64): New mode macro.
2158 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2160 (mov_si<mode>_e500_subreg0_2): New.
2161 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2163 (mov_si<mode>_e500_subreg4_2): New.
2164 * config/rs6000/predicates.md (input_operand): Do not allow
2165 invalid E500 subregs.
2166 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2168 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2169 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2170 involving vector modes if TARGET_SPE.
2172 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2175 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2176 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2178 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2180 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2181 mem_i_address_operand): New predicates.
2182 * config/bfin/bfin.c (bfin_issue_rate): New function.
2183 (TARGET_SCHED_ISSUE_RATE): New macro.
2184 * config/bfin/bfin.md (addrtype): New attribute.
2185 (slot0, slot1, slot2, store, pregs): New cpu_units.
2186 (core): Now a define_reservation.
2187 (alu): Remove some insn types from this reservation.
2188 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2190 (dummy reservation): Don't trigger for mcld insns.
2191 (absence_sets): Two new absence sets to enforce slot ordering.
2192 (popsi_insn): Set addrtype.
2194 2006-11-22 Ira Rosen <irar@il.ibm.com>
2196 * doc/c-tree.texi: Document new tree codes.
2197 * doc/md.texi: Document new optabs.
2198 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2200 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2201 * optabs.h (optab_index): Add new.
2202 (vec_extract_even_optab, vec_extract_odd_optab,
2203 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2204 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2205 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2207 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2208 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2209 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2210 along with macros for their access.
2211 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2213 * tree-vect-analyze.c (toplev.h): Include.
2214 (vect_determine_vectorization_factor): Fix indentation.
2215 (vect_insert_into_interleaving_chain,
2216 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2217 (vect_analyze_data_ref_dependence): Add argument for interleaving
2218 check. Check for interleaving if it's true.
2219 (vect_check_dependences): New function.
2220 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2221 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2222 (vect_update_misalignment_for_peel): Update for interleaving.
2223 (vect_verify_datarefs_alignment): Check only first data-ref for
2225 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2226 only first data-ref for interleaving.
2227 (vect_analyze_data_ref_access): Check interleaving, update
2229 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2230 with different parameters.
2231 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2232 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2233 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2234 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2235 Update step in case of interleaving.
2236 (vect_strided_store_supported, vect_permute_store_chain): New
2238 (vectorizable_store): Handle strided stores.
2239 (vect_strided_load_supported, vect_permute_load_chain,
2240 vect_transform_strided_load): New functions.
2241 (vectorizable_load): Handle strided loads.
2242 (vect_transform_stmt): Add argument. Handle strided stores. Check
2243 that vectorized stmt exists for patterns.
2244 (vect_gen_niters_for_prolog_loop): Update calculation for
2246 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2247 whole chain vectorization.
2248 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2249 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2250 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2251 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2252 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2254 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2256 * cse.c (enum taken): Remove PATH_AROUND.
2257 (addr_affects_sp_p, invalidate_skipped_set,
2258 invalidate_skipped_block): Remove.
2259 (cse_end_of_basic_block): Remove skip_blocks and related code.
2260 (cse_main): Don't test for flag_cse_skip_blocks.
2261 Update cse_end_of_basic_block call.
2262 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2263 code to lengthen the path if a jump was simplified.
2265 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2267 PR rtl-optimization/29924
2268 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2269 (unroll_loop_runtime_iterations): Assert that the argument passed to
2270 split_edge_and_insert is not NULL.
2271 * loop-doloop.c (add_test): Ditto.
2273 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2275 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2277 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2278 * cfgloopmanip.c (update_single_exits_after_duplication,
2279 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2280 * tree-scalar-evolution.c (get_loop_exit_condition,
2281 get_exit_conditions_rec, loop_closed_phi_def,
2282 number_of_iterations_in_loop, scev_const_prop): Ditto.
2283 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2284 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2286 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2288 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2289 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2290 slpeel_make_loop_iterate_ntimes,
2291 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2292 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2294 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2295 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2296 vect_analyze_loop_form): Ditto.
2297 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2298 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2299 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2300 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2301 vect_transform_loop): Ditto.
2302 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2303 (single_exit, set_single_exit): New functions.
2304 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2305 (single_exit, set_single_exit): Declare.
2306 * doc/loop.texi: Undocument single_exit field. Document single_exit
2309 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2311 PR tree-optimization/29902
2312 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2313 any involved ssa name appears in abnormal phi node.
2315 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2317 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2318 (xtensa_const_ok_for_letter_p): Delete.
2319 (xtensa_extra_constraint): Delete.
2320 (override_options): Delete xtensa_char_to_class initialization.
2321 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2322 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2323 (EXTRA_CONSTRAINT): Delete.
2324 * config/xtensa/xtensa.md: Include constraints.md.
2325 (call_internal): Combine alternatives.
2326 (call_value_internal): Likewise, and remove invalid constraints.
2327 * config/xtensa/constraints.md: New file.
2328 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2329 (xtensa_extra_constraint): Delete.
2330 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2333 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2335 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2336 of conversion that doesn't fit.
2338 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2339 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2340 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2342 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2344 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2346 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2348 2006-11-21 Richard Guenther <rguenther@suse.de>
2350 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2351 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2352 vect_recog_pow_pattern.
2353 (vect_recog_pow_pattern): New function.
2355 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2357 * config/bfin/bfin.opt (mstack-check-l1): New.
2358 * doc/invoke.texi (Blackfin Options): Document it.
2359 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2360 stack bounds in L1 memory if the new option is enabled.
2361 (override_options): Don't allow combinations of -fstack-limit and
2363 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2366 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2368 (bfin_register_move_cost): Bump costs if trying to move plain
2369 integer values through accumulators.
2371 2006-11-21 Ben Elliston <bje@au.ibm.com>
2373 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2375 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2376 Russell Olsen <Russell_Olsen@playstation.sony.com>
2377 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2378 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2379 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2380 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2381 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2383 * config.gcc: Add target for SPU.
2384 * config/spu/constraints.md: New file.
2385 * config/spu/crt0.c: New file.
2386 * config/spu/crtend.c: New file.
2387 * config/spu/crti.asm: New file.
2388 * config/spu/crtn.asm: New file.
2389 * config/spu/float_unsdidf.c: New file.
2390 * config/spu/float_unssidf.c: New file.
2391 * config/spu/predicates.md: New file.
2392 * config/spu/spu-builtins.def: New file.
2393 * config/spu/spu-builtins.h: New file.
2394 * config/spu/spu-builtins.md: New file.
2395 * config/spu/spu-c.c: New file.
2396 * config/spu/spu-elf.h: New file.
2397 * config/spu/spu-modes.def: New file.
2398 * config/spu/spu-protos.h: New file.
2399 * config/spu/spu.c: New file.
2400 * config/spu/spu.h: New file.
2401 * config/spu/spu.md: New file.
2402 * config/spu/spu.opt: New file.
2403 * config/spu/spu_internals.h: New file.
2404 * config/spu/spu_intrinsics.h: New file.
2405 * config/spu/spu_mfcio.h: New file.
2406 * config/spu/t-spu-elf: New file.
2407 * config/spu/vec_types.h: New file.
2408 * config/spu/vmx2spu.h: New file.
2409 * doc/contrib.texi: Document SPU contributor.
2410 * doc/extend.texi: Document SPU extensions.
2411 * doc/invoke.texi: Document SPU options.
2412 * doc/md.texi: Document SPU constraints.
2414 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2416 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2418 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2420 (flow_loop_dump): Do not dump loop level.
2421 (flow_loops_find): Do not call flow_loops_level_compute.
2422 * cfgloop.h (struct loop): Remove level field.
2424 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2426 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2427 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2428 Use vector of edges instead of array.
2429 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2430 estimate_numbers_of_iterations_loop): Ditto.
2431 * predict.c (predict_loops): Ditto.
2432 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2433 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2435 * basic-block.h: Declare heap allocation for edge vectors.
2436 * tree-outof-ssa.c: Ditto.
2437 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2438 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2440 2006-11-20 Zack Weinberg <zackw@panix.com>
2442 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2443 Add another out parameter, "skip".
2444 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2445 is tagged "skip", do not mark its type used.
2447 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2450 * tree-sra.c (single_scalar_field_in_record_p): New function.
2451 (decide_block_copy): Use it.
2453 2006-11-20 David Daney <ddaney@avtrex.com>
2455 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2456 PC to point to following instruction.
2458 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2462 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2464 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2466 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2468 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2469 Add sh/superh.h to tm_file.
2471 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2472 Mark Mitchell <mark@codesourcery.com>
2474 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2476 (cpp_relocated): New function.
2477 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2479 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2480 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2481 replace configured prefix with gcc_exec_prefix.
2483 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2485 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2486 bfin_legitimate_constant_p.
2487 * config/bfin/bfin.md (movsi expander): Check return value of
2489 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2490 (expand_move): Adjust prototype.
2491 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2492 invalid constants specially.
2493 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2495 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2497 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2498 sibcall_value_symbol): Allow these patterns if
2499 TARGET_LEAF_ID_SHARED_LIBRARY.
2500 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2501 (override_options): Turn on id shared library flags if -msep-data,
2502 but disallow the combination of these options on the command line.
2503 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2504 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2505 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2506 -mid-shared-library.
2507 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2508 * doc/invoke.texi (Blackfin Options): Document new switches.
2510 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2511 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2513 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2514 inflate costs for addresses with an out-of-bounds address.
2516 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2519 * fwprop.c (loops): Remove.
2520 (forward_propagate_into): Use current_loops instead of
2522 (fwprop_init): Call loop_optimizer_init instead of
2524 (fwprop_done): Call loop_optimizer_finalize instead of
2526 (fwprop): Use current_loops instead of loops.
2528 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2531 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2533 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2536 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2537 larger than BITS_PER_WORD.
2539 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2543 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2544 to MAX_FIXED_MODE_SIZE.
2546 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2548 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2549 (fold_builtin_fmin_fmax): New.
2550 (fold_builtin_1): Use it.
2552 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2554 2006-11-18 Richard Guenther <rguenther@suse.de>
2556 * config/i386/i386.c (ix86_builtins): New array for ix86
2557 builtin function decls.
2558 (def_builtin): New function.
2559 (def_builtin_const): Likewise.
2560 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2562 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2564 * doc/invoke.texi (core2): Add item.
2566 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2568 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2569 (TARGET_CPU_DEFAULT_generic): Change value.
2570 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2571 (processor_type): Add new constant PROCESSOR_CORE2.
2573 * config/i386/i386.md (cpu): Add core2.
2575 * config/i386/i386.c (core2_cost): New initialized variable.
2576 (m_CORE2): New macro.
2577 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2578 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2579 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2580 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2581 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2582 x86_accumulate_outgoing_args, x86_prologue_using_move,
2583 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2584 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2585 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2586 x86_pad_returns): Add m_CORE2.
2587 (override_options): Add entries for Core2.
2588 (ix86_issue_rate): Add case for Core2.
2590 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2592 * doc/invoke.texi: Fix mno-isel typo.
2594 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2596 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2597 easy vector constant loads.
2599 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2601 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2602 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2603 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2604 * config/rs6000/sync.md (lwsync): Emit plain sync if
2607 2006-11-17 DJ Delorie <dj@redhat.com>
2609 * reload1.c (reloads_unique_chain): New.
2610 (reloads_conflict): Call it.
2612 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2614 * config/xtensa/predicates.md (addsubx_operand): New.
2615 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2616 (xtensa_emit_bit_branch): New.
2617 (xtensa_emit_movcc): New.
2618 * config/xtensa/xtensa.md (any_minmax): New code macro.
2619 (minmax): New code attribute.
2620 (any_cond, any_scc, any_scc_sf): New code macros.
2621 (*addx2, *addx4, *addx8): Delete.
2623 (*subx2, *subx4, *subx8): Delete.
2625 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2626 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2627 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2628 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2629 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2630 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2631 (movsfcc_internal0, movsfcc_internal1): Likewise.
2632 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2633 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2634 (xtensa_emit_bit_branch): New.
2635 (xtensa_emit_movcc): New.
2636 (function_arg_boundary): Add missing prototype.
2638 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2640 * config/xtensa/xtensa.md (tstsi): Delete
2642 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2644 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2646 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2648 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2650 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2652 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2654 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2656 * tree-vrp.c (execute_vrp): Do not update current_loops.
2657 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2658 * doc/loop.texi: Remove documentation for cancelled functions.
2659 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2660 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2662 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2663 (remove_path): Ensure that in delete_basic_blocks, the loops
2664 are still allocated.
2665 (add_loop): Work on valid loop structures.
2666 (loopify): Modify call of add_loop.
2667 (mfb_update_loops): Removed.
2668 (create_preheader): Do not update loops explicitly.
2669 (force_single_succ_latches, loop_version): Do not use
2670 loop_split_edge_with.
2671 (loop_split_edge_with): Removed.
2672 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2673 Do not use bsi_insert_on_edge_immediate_loop.
2674 (split_loop_exit_edge, tree_unroll_loop): Do not use
2675 loop_split_edge_with.
2676 (bsi_insert_on_edge_immediate_loop): Removed.
2677 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2678 use loop_split_edge_with.
2679 * cfghooks.c: Include cfgloop.h.
2680 (verify_flow_info): Verify that loop_father is filled iff current_loops
2682 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2683 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2685 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2687 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2688 loop_split_edge_with.
2689 (sms_schedule): Use current_loops.
2690 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2691 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2693 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2694 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2695 * ifcvt.c (if_convert): Ditto.
2696 * predict.c (predict_loops): Do not clear current_loops.
2697 (tree_estimate_probability): Use current_loops.
2698 (propagate_freq): Receive head of the region to propagate instead of
2700 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2701 (estimate_loops): New function. Handle case current_loops == NULL.
2702 (estimate_bb_frequencies): Do not allocate tovisit. Use
2704 * tree-ssa-loop.c (current_loops): Removed.
2705 (tree_loop_optimizer_init): Do not return loops.
2706 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2707 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2708 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2709 Do not update loops explicitly.
2710 * function.h (struct function): Add x_current_loops field.
2711 (current_loops): New macro.
2712 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2713 * loop-unroll.c (split_edge_and_insert): New function.
2714 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2715 use loop_split_edge_with.
2716 * loop-doloop.c (add_test, doloop_modify): Ditto.
2717 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2718 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2719 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2720 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2722 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2723 (flow_loops_free): Do not free dfs_order and rc_order.
2724 (flow_loops_find): Do not set dfs_order and rc_order in loops
2725 structure. Do not call loops and flow info verification.
2726 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2727 already belongs to some loop.
2728 * cfgloop.h (struct loops): Remove struct cfg.
2729 (current_loops, loop_split_edge_with): Declaration removed.
2730 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2731 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2732 Declaration removed.
2733 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2734 * basic-block.h (split_edge_and_insert): Declare.
2735 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2737 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2739 PR tree-optimization/29801
2740 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2741 (get_default_value): Use get_symbol_constant_value.
2742 (set_lattice_value): ICE when the value of the constant is
2744 (visit_assignment): Ignore VDEFs of read-only variables.
2746 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2748 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2750 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2751 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2753 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2755 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2756 select subvars of var.
2758 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2761 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2762 optimize if DEF doesn't have integral type.
2764 2006-11-16 Mike Stump <mrs@apple.com>
2766 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2767 pre-darwin9 system, unless the user asks for it directly.
2768 (PREFERRED_DEBUGGING_TYPE): Likewise.
2769 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2770 * config.gcc: Add suppport for darwin9.h.
2771 * config/darwin9.h: Add.
2772 * doc/install.texi (Specific): Clarify darwin documentation.
2774 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2776 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2777 optimizing for size.
2779 2006-11-16 Mike Stump <mrs@apple.com>
2781 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2783 2006-11-16 Dirk Mueller <dmueller@suse.de>
2785 * tree-vrp.c (get_value_range): Use XCNEW instead
2787 (insert_range_assertions): Use XCNEWVEC instead
2788 of XNEWVEC and memset.
2789 (vrp_initialize): Same.
2790 (vrp_finalize): Same.
2791 * tree-ssa-ccp.c (ccp_initialize): Same.
2792 * predict.c (tree_bb_level_predictions): Same.
2793 * calls.c (expand_call): Same.
2794 * tree-ssa-copy.c (init_copy_prop): Same.
2795 (fini_copy_prop): Same.
2796 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2797 of GGC_NEW and memset.
2799 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2802 * gimplify.c (gimplify_expr): Only force a load for references to
2803 non-BLKmode volatile values.
2804 * doc/implement-c.texi (Qualifiers implementation): Document the
2805 interpretation of what a volatile access is.
2806 * doc/extend.texi (C++ Extensions): Rework same documentation.
2808 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2810 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2813 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2815 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2817 (arm_neg_abssi2): Renamed from neg_abssi2.
2818 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2820 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2822 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2823 number of arguments passed to local functions in SSE registers is 3.
2825 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2826 number of arguments passed in SSE registers to 3.
2828 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2831 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2833 (get_last_bb_insn): ... new global function.
2834 (basic_block.h): Declare it.
2835 * haifa-sched.c (create_recovery_block): Use it.
2837 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2840 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2842 2006-11-15 Paul Brook <paul@codesourcery.com>
2844 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2845 _Unwind_GetTextRelBase): Move from here ...
2846 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2847 _Unwind_GetTextRelBase): ... To here.
2849 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2851 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2852 addresses we generate for testing are aligned.
2854 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2857 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2858 to what is the const decl is a place holder for.
2860 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2862 * config/i386/i386.opt: New target option -mx87regparm.
2864 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2865 and float_in_x87 variables. mmx_words, sse_words: Remove.
2866 (X87_REGPARM_MAX): Define.
2868 * config/i386/i386.c (override_options): Error out for
2869 -mx87regparm but no 80387 support.
2870 (ix86_attribute_table): Add x87regparm.
2871 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2872 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2873 (ix86_function_x87regparm): New function.
2874 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2876 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2878 (function_arg_advance): Process x87_nregs and x87_regno when
2879 floating point argument is to be passed in 80387 register.
2880 (function_arg): Pass XFmode arguments in 80387 registers for local
2881 functions. Pass SFmode and DFmode arguments to local functions
2882 in 80387 registers when flag_unsafe_math_optimizations is set.
2884 * reg-stack.c (convert_regs_entry): Disable NaN load for
2885 stack registers that are used for argument passing.
2887 * doc/extend.texi: Document x87regparm function attribute.
2888 * doc/invoke.texi: Document -mx87regparm.
2890 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2892 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2893 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2894 arg MODE; all callers changed. Use it to determine validity per
2895 machine mode instead of using Pmode for all memory references.
2896 (get_address_cost): Likewise add and use new arg MEM_MODE.
2898 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2899 J"orn Rennecke <joern.rennecke@st.com>
2901 * combine.c (likely_spilled_retval_1): Fix masking operation.
2902 (likely_spilled_retval_p): Use proper pattern for call to
2903 likely_spilled_retval_1.
2905 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2907 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2909 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2910 that tests for CONSTANT_POOL_ADDRESS_P.
2912 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2914 PR tree-optimization/29581
2915 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2916 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2917 type is different between Y and USE, create a temporary
2918 variable, initialize it at the beginning of the body bb
2919 and use it as replacement instead of Y.
2921 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2924 * gimplify.c (fold_indirect_ref_rhs): Use
2925 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2927 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2929 * expmed.c (emit_store_flag_1): New function.
2930 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2932 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2933 Use do_compare_rtx_and_jump.
2934 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2935 * arm.md (cstoresi4): New define_expand.
2936 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2937 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2938 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2940 2006-11-14 Caroline Tice <ctice@apple.com>
2942 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2943 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2945 (pubname_table): Redefine as a vector.
2946 (pubtype_table): New static global variable, defined as a vector.
2947 (pubname_table_allocated): Remove static global variable.
2948 (pubname_table_in_use): Remove static global variable.
2949 (PUBNAME_TABLE_INCREMENT): Remove constant.
2950 (size_of_pubnames): Add parameter to deal with either pubnames or
2951 pubtypes, and change code to deal with table being a vector.
2952 (add_pubname): Change to deal with table being a vector.
2953 (add_pubtype): New function.
2954 (output_pubnames): Add parameter to deal with either pubnames or
2955 pubtypes, and change code to deal with table being a vector.
2956 (gen_array_type_die): Add call to add_pubtype.
2957 (gen_enumeration_type_die): Add call to add_pubtype.
2958 (gen_struct_or_union_type_die): Add call to add_pubtype.
2959 (gen_subroutine_type_die): Add call to add_pubtype.
2960 (gen_typedef_die): Add call to add_pubtype.
2961 (dwarf2out_init): Add code to initialize pubname_table and
2962 pubtype_table vectors; also initialize debug_pubtypes_section.
2963 (prune_unused_types): Change to deal with pubnames being a vector.
2964 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2965 pubnames table to call to output_pubnames; Add code to output pubtypes
2966 table if DEBUG_PUBTYPES_SECTION is defined.
2967 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2969 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2971 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2973 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2974 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2975 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2976 movv2si_internal): Support moves between core registers.
2978 2006-11-14 Eric Christopher <echristo@apple.com>
2980 * configure: Regenerate with autoconf 2.59.
2982 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2984 Fix PR tree-optimization/27755
2986 * tree-ssa-pre.c: Update comments.
2987 (bb_bitmap_sets): Add pa_in and deferred member.
2988 (BB_DEFERRED): New macro.
2989 (maximal_set): New variable.
2990 (pre_stats): Add pa_insert member.
2991 (bitmap_set_and): Short circuit orig == dest.
2992 (bitmap_set_subtract_values): New function.
2993 (bitmap_set_contains_expr): Ditto.
2994 (translate_vuses_through_block): Add phiblock argument.
2995 (dependent_clean): New function.
2996 (compute_antic_aux): Update for maximal_set changes.
2997 (compute_partial_antic_aux): New function.
2998 (compute_antic): Handle partial anticipation.
2999 (do_partial_partial_insertion): New function.
3000 (insert_aux): Handle partial anticipation.
3001 (add_to_sets): Add to maximal set.
3002 (compute_avail): Ditto.
3003 (init_pre): Initialize maximal_set.
3004 (execute_pre): Do partial anticipation if -O3+.
3006 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3008 PR rtl-optimization/29798
3010 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3011 TARGET_INSN before any other check.
3012 (fwprop_init): Always calculate dominators.
3013 (fwprop_done): Always free them.
3015 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3017 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3020 2006-11-13 DJ Delorie <dj@redhat.com>
3022 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3023 temporary for intermediates.
3025 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3027 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3028 (sh_optimize_target_register_callee_saved): #if 0 the code
3029 using NOTE_INSN_LOOP_{BEG,END}.
3031 2006-11-13 Roger Sayle <roger@eyesopen.com>
3033 * fold-const.c (optimize_bit_field_compare): Recursively call
3034 fold when simplifying non-constant comparisons between bit-fields.
3036 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3038 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3040 * configure: Rebuilt.
3042 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3044 * config/rs6000/cell.md: New file.
3045 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3047 (ppccell_cost): New cost matrix.
3048 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3049 (rs6000_override_options): Set rs6000_always_hint to false
3050 for cell. Also align functions/lables/loops to 8byte
3051 for the Cell. Use PROCESSOR_CELL.
3052 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3053 using_mtcr_multiple.
3054 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3055 on the Cell, return 0.
3056 (rs6000_adjust_cost): Add Cell cost adjustments.
3057 (is_microcoded_insn): Return true for Cell microcoded
3059 (is_nonpipeline_insn): New function.
3060 (rs6000_issue_rate): Add PROCESSOR_CELL.
3061 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3063 (rs6000_use_sched_lookahead_guard): New function.
3064 (rs6000_sched_reorder): Reorder the ready list, if the second
3065 to last ready insn is a nonepipeline insn on the Cell.
3066 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3067 (ASM_CPU_SPEC): Add Cell.
3068 * config/rs6000/rs6000.md (cpu): Add Cell.
3069 (cell_micro): New Attr.
3072 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3074 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3076 * configure: Rebuilt.
3078 2006-11-13 Richard Guenther <rguenther@suse.de>
3080 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3082 (ix86_expand_lfloorceil): Likewise.
3083 (ix86_expand_rint): Likewise.
3084 (ix86_expand_floorceildf_32): Likewise.
3085 (ix86_expand_floorceil): Likewise.
3086 (ix86_expand_rounddf_32): Likewise.
3087 (ix86_expand_truncdf_32): Likewise.
3088 (ix86_expand_round): Likewise.
3090 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3091 Mark Mitchell <mark@codesourcery.com>
3093 * gcc.c: Organize search path variables into $prefix relative,
3094 and well-known native. Add comments.
3095 (add_sysrooted_prefix): Add comment.
3096 (process_command): If !gcc_exec_prefix add $prefix based paths.
3097 If *cross_compile == '0', add native well-known paths.
3098 Assert tooldir_base_prefix is always relative.
3099 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3100 use this value for 'install:' path.
3101 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3103 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3105 * config/i386/i386.c: Fix a typo in comment.
3107 2006-11-13 Michael Matz <matz@suse.de>
3109 * genemit.c (gen_expand): Allocate enough memory.
3111 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3113 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3114 __GXX_TYPEINFO_EQUALITY_INLINE but not
3115 __GXX_MERGED_TYPEINFO_NAMES.
3116 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3117 __GXX_MERGED_TYPEINFO_NAMES.
3118 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3119 __GXX_TYPEINFO_EQUALITY_INLINE.
3121 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3122 Zdenek Dvorak <dvorakz@suse.cz>
3124 PR tree-optimization/29680
3125 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3128 2006-11-12 Jason Merrill <jason@redhat.com>
3129 Andrew Pinski <pinskia@physics.uc.edu>
3132 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3134 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3136 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3137 * tree.c (build_vector): Handle non-_CST elements.
3139 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3141 * genemit.c (gen_insn): Call gen_exp with a non-null used
3142 when handling multiple insns.
3143 (gen_expand): Likewise.
3144 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3145 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3146 (movsi_const_16bit+1): Copy operands[1].
3147 (call_pcrel): Copy the call_site pattern.
3148 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3150 2006-11-12 Roger Sayle <roger@eyesopen.com>
3152 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3153 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3154 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3155 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3157 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3159 Fix PR tree-optimization/29587
3160 * tree-ssa-structalias.c (process_constraint): Don't
3161 mark address taken due only to escaped vars constraint.
3163 2006-11-12 Michael Matz <matz@suse.de>
3164 Roger Sayle <roger@eyesopen.com>
3166 PR rtl-optimization/29797
3167 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3168 BITS_BIG_ENDIAN targets.
3170 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3172 * builtins.c (fold_builtin_cosh): New.
3173 (fold_builtin_1): Use it.
3174 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3175 trunc to the list of "odd" functions. Also add llrint, lrint,
3176 rint and nearbyint when flag_rounding_math is false.
3178 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3180 * tree-flow.h (name_mappings_registered_p): Declare.
3181 * tree-into-ssa.c (name_mappings_registered_p): New function.
3182 * tree-cfg.c (tree_can_merge_blocks_p): Check
3183 name_mappings_registered_p instead of need_ssa_update_p.
3185 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3187 * tree-ssa-loop.c (tree_vectorize): Return the result of
3189 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3190 if anything changed.
3191 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3192 * tree-flow.h (vectorize_loops): Declaration changed.
3194 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3196 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3198 (issue_prefetch_ref): Move assignment to write_p out of loop.
3199 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3200 SIMULTANEOUS_PREFETCHES into account.
3201 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3202 * lambda-code.c (lcm): Renamed to ...
3203 (least_common_multiple): ... and exported.
3204 * tree-flow.h (least_common_multiple): Declare.
3206 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3208 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3209 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3210 ud-chains. Handle AND_EXPR.
3211 (record_estimate): Record whether the estimate is realistic
3212 and whether it is derived from a loop exit.
3213 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3214 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3216 (compute_estimated_nb_iterations): Take only realistic bounds into
3217 account. Set estimate_state. Use double_ints.
3218 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3219 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3220 that do not have to be always executed.
3221 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3222 to determine whether to call infer_loop_bounds_from_undefined
3223 and compute_estimated_nb_iterations.
3224 (n_of_executions_at_most): Use double_ints.
3225 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3226 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3227 * double-int.c (double_int_to_tree): Improve comment.
3228 (double_int_fits_to_tree_p): New function.
3229 * double-int.h (double_int_fits_to_tree_p): Declare.
3230 * tree-data-ref.c: Include langhooks.h.
3231 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3232 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3233 (analyze_array): Do not pass estimate_only argument to
3234 analyze_array_indexes.
3235 (get_number_of_iters_for_loop): Build tree from the stored double_int
3237 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3238 (find_data_references_in_loop): Use find_data_references_in_stmt.
3239 * tree-data-ref.h (struct data_ref_loc_d): New.
3240 (get_references_in_stmt): Declare.
3241 (estimate_iters_using_array): Declaration removed.
3242 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3243 double_int. Improve comments. Add is_exit and realistic
3245 (struct loop): Changed type of estimated_nb_iterations to double_int.
3246 Added estimate_state field.
3247 (record_estimate): Declaration removed.
3249 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3251 * params.c (set_param_value): Initialize the "set" field.
3252 * params.h (struct param_info): Add "set" field.
3253 (PARAM_SET_P): New macro.
3254 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3255 L1_CACHE_LINE_SIZE): New macros.
3256 * toplev.c (DEFPARAM): Initialize the "set" field.
3257 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3258 SIMULTANEOUS_PREFETCHES): Removed.
3259 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3260 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3261 * config/sparc/sparc.c: Include params.h.
3262 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3263 L1_CACHE_LINE_SIZE parameters.
3264 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3266 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3268 * config/i386/i386.c: Include params.h.
3269 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3270 (override_options): Set SIMULTANEOUS_PREFETCHES and
3271 L1_CACHE_LINE_SIZE parameters.
3272 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3273 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3274 L1_CACHE_LINE_SIZE parameters.
3275 * config/ia64/ia64.c (ia64_optimization_options): Set
3276 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3277 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3279 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3280 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3281 * doc/invoke.texi: Document new params.
3283 2006-11-12 Roger Sayle <roger@eyesopen.com>
3285 PR tree-optimization/13827
3286 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3289 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3291 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3292 update_single_exit_for_duplicated_loops): New functions.
3293 (duplicate_loop_to_header_edge): Use
3294 update_single_exit_for_duplicated_loops.
3295 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3296 functions only with ENABLE_CHECKING.
3298 2006-11-12 Andreas Schwab <schwab@suse.de>
3300 * except.c (sjlj_emit_function_enter): Remove unused variable.
3302 2006-11-11 Roger Sayle <roger@eyesopen.com>
3304 * fold-const.c (int_binop_types_match_p): New function.
3305 (size_binop): Relax constraint that both arguments must both have
3306 exactly the same sizetype type. Instead use int_binop_types_match_p.
3307 (size_diffop): Likewise.
3309 (make_range): Use build_int_cst instead of fold_convert.
3310 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3311 integer constants of the correct type.
3312 (fold_div_compare): Likewise.
3313 (fold_single_bit_test): Likewise.
3314 (fold_binary): Likewise.
3315 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3316 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3318 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3321 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3322 non null value if the struct memory access is in the 0th
3325 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3328 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3329 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3332 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3333 instead of builtin_define for bfin and BFIN.
3335 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3337 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3340 2006-11-11 Jan Hubicka <jh@suse.cz>
3342 * extend.texi (__builtin_expect): We no longer require second argument
3344 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3345 * builtins.c (expand_builtin_expect): Simplify.
3346 (expand_builtin_expect_jump): Kill.
3347 * final.c (final_scan_insn): Do not skip the removed notes.
3348 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3349 EXPECTED_VALUE): Remove.
3350 * dojump.c (do_jump): Do not care about __builtin_expect.
3351 * predict.c (expected_value_to_br_prob): Kill.
3352 * function.c (expand_function_end): Do not expand
3353 NOTE_INSN_REPEATED_LINE_NUMBER.
3354 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3355 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3356 * cfgexpand.c (add_reg_br_prob_note): Export.
3357 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3358 expected_value_to_br_prob.
3359 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3360 * rtl.h (add_reg_br_prob_note): Declare.
3362 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3364 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3366 2006-11-11 Jan Hubicka <jh@suse.cz>
3368 * predict.c (predict_loops): Kill RTL variant.
3370 2006-11-11 Jan Hubicka <jh@suse.cz>
3372 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3373 * modulo-sched.c (find_line_note): Remove.
3374 (loop_canon_p): Do not worry about line number notes.
3375 (sms_schedule): Likewise.
3376 * cse.c (cse_main): Likewise.
3377 * regmove.c (fixup_match_1): Likewise
3378 * function.c (emit_return_info_block): Likewise.
3379 (expand_function_end): Likewise.
3380 (thread_prologue_an_epilogue_insns): Likewise.
3381 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3383 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3384 emit_note_copy_after): Kill.
3385 (emit_note_copy): Do not worry about line numbers.
3386 * jump.c (purge_line_number_notes): Kill.
3387 (pass_purge_lineno_notes): Kill.
3388 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3390 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3391 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3392 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3393 * tree-pass.h (pass_purge_lineno_notes): Kill.
3394 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3395 rm_redundant_line_notes.
3396 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3397 rm_redundant_line_notes.
3398 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3399 * haifa-sched.c: Update comment about handling notes.
3400 (unlink_line_notes): Kill.
3401 (rm_line_notes): Kill.
3402 (save_line_notes): Simplify.
3403 (rm_redundant_line_notes): Kill.
3405 2006-11-11 Richard Guenther <rguenther@suse.de>
3407 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3408 Remove unused tree codes.
3409 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3410 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3411 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3412 * tree.c (stabilize_reference): Likewise.
3413 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3414 fold_unary): Likewise.
3415 * tree-gimple.c (is_gimple_cast): Likewise.
3416 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3417 * expr.c (expand_expr_real_1): Likewise.
3418 * tree-eh.c (tree_could_trap_p): Likewise.
3419 * gimplify.c (gimplify_expr): Likewise.
3420 * tree-inline.c (estimate_num_insns_1): Likewise.
3421 * tree-cfg.c (verify_expr): Likewise.
3423 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3425 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3426 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3427 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3429 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3432 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3433 constraints accept neither registers or memories.
3435 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3437 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3438 (NO_PROFILE_COUNTERS): Define as 1.
3440 2006-11-10 Roger Sayle <roger@eyesopen.com>
3442 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3443 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3445 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3447 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3449 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3451 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3452 (fold_builtin_hypot): Likewise.
3453 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3455 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3457 2006-11-10 Roger Sayle <roger@eyesopen.com>
3459 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3460 when attempting to build INTEGER_CSTs of non-integral types.
3461 * expmed.c (make_tree): Use the correct type, i.e. the inner
3462 type, when constructing the individual elements of a CONST_VECTOR.
3464 2006-11-10 Jan Hubicka <jh@suse.cz>
3466 * cse.c (cse_process_notes): Copy the propagated value.
3467 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3469 * gcse.c (try_replace_reg): Copy the replacement.
3470 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3471 (assign_386_stack_local): Always return copied memory expression
3472 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3475 2006-11-10 Jan Hubicka <jh@suse.cz>
3477 * final.c (final): Walk from first instruction.
3478 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3480 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3483 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3485 (umulv8hi3_highpart): Ditto.
3486 (vec_widen_smult_hi_v8hi): New expander.
3487 (vec_widen_smult_lo_v8hi): Ditto.
3489 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3492 * builtins.c (do_mpfr_arg3): New.
3493 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3495 2006-11-09 Eric Christopher <echristo@apple.com>
3500 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3501 * config.gcc (powerpc64-*-darwin*): New target.
3502 * config.host: Ditto.
3503 * config/rs6000/darwin64.h: New file.
3504 * config/rs6000/x-darwin64: Ditto.
3505 * config/rs6000/host-ppc64-darwin.c: Ditto.
3507 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3509 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3510 routines for integer division.
3512 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3514 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3516 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3519 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3521 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3523 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3524 simplify_subreg with BLKmode outer mode.
3526 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3528 * doc/invoke.texi: Minor formatting fixes in option lists.
3530 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3532 PR tree-optimization/29738
3533 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3534 (ccp_lattice_t): Remove UNKNOWN_VAL.
3535 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3536 Do not handle UNKNOWN_VAL.
3537 (get_default_value): Set initial value of virtual operands to
3539 (get_value): Always use get_default_value on uninitialized
3541 (set_value_varying, surely_varying_stmt_p): New functions.
3542 (set_lattice_value): Do not pass argument to get_value.
3543 Do not handle UNKNOWN_VAL.
3544 (likely_value): Follow the semantics described in the comment.
3545 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3546 phi nodes DONT_SIMULATE_AGAIN.
3547 (ccp_fold): Do not pass argument to get_value.
3548 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3551 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3553 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3554 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3556 2006-11-08 Roger Sayle <roger@eyesopen.com>
3558 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3559 test for inclusion rather than as a test for exclusion.
3560 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3561 the condition after calling fold_binary.
3562 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3563 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3564 * builtins.c (fold_builtin_isascii): Likewise.
3565 (fold_builtin_isdigit): Likewise.
3567 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3569 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3570 * configure: Regenerate.
3572 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3574 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3575 enum argument instead of bool.
3576 (vect_analyze_operations): Call vectorizable_type_promotion.
3577 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3578 stmt_vec_info_type value.
3579 (supportable_widening_operation, vectorizable_type_promotion): New
3580 function declarations.
3581 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3582 (vectorizable_type_promotion): New function.
3583 (vect_transform_stmt): Call vectorizable_type_promotion.
3584 * tree-vect-analyze.c (supportable_widening_operation): New function.
3585 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3587 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3590 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3591 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3592 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3594 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3595 * expr.c (expand_expr_real_1): Likewise.
3596 * optabs.c (optab_for_tree_code): Likewise.
3597 (init_optabs): Initialize new optabs.
3598 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3599 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3600 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3601 vec_unpacku_lo_optab): Initialize new optabs.
3602 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3603 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3604 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3606 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3607 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3608 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3609 (vec_unpacku_lo_optab): New optabs.
3610 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3611 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3612 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3613 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3614 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3615 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3617 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3618 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3619 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3620 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3621 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3622 implement the unsigned unpacking patterns.
3623 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3624 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3625 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3626 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3627 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3628 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3629 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3630 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3631 multiplication patterns.
3633 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3634 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3635 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3636 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3637 (rs6000_builtin_mul_widen_odd): New.
3638 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3639 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3640 * tree-vectorizer.h (enum vect_relevant): New enum type.
3641 (_stmt_vec_info): Field relevant chaned from bool to enum
3643 (STMT_VINFO_RELEVANT_P): Updated.
3644 (STMT_VINFO_RELEVANT): New.
3645 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3646 instead of STMT_VINFO_RELEVANT_P.
3647 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3648 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3649 and boolean variable with enum vect_relevant.
3650 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3651 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3652 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3654 2006-11-08 Richard Henderson <rth@redhat.com>
3656 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3657 vec_widen_umult_lo_v8hi): New.
3658 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3659 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3661 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3662 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3663 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3664 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3665 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3666 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3667 vec_unpacks_lo_v4si): New.
3669 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3671 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3672 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3673 (vect_analyze_operations): Call vectorizable_type_demotion.
3674 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3675 stmt_vec_info_type value.
3676 (vectorizable_type_demotion): New function declaration.
3677 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3680 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3681 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3683 * tree-iniline.c (estimate_num_insns_1): Likewise.
3684 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3685 * optabs.c (optab_for_tree_code): Likewise.
3687 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3688 compared against the predicate of the result is not 'mode' (the input
3689 to the function) but a mode with half the size of 'mode'.
3690 (init_optab): Initialize new optabs.
3691 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3693 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3695 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3696 (vec_pack_usat_optab): Initialize new optabs.
3697 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3698 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3700 2006-11-08 Richard Henderson <rth@redehat.com>
3702 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3703 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3704 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3705 (vec_interleave_highv4si, vec_interleave_lowv4si):
3706 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3708 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3710 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3712 (vect_transform_stmt): Removed redundant code.
3714 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3716 * tree-vect-transform.c (vectorizable_operation): Support multiple
3719 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3721 * tree-vect-transform.c (vect_align_data_ref): Removed.
3722 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3723 Updated function documentation. Return the increment stmt in ptr_incr.
3724 (bump_vector_ptr): New function.
3725 (vect_get_vec_def_for_stmt_copy): New function.
3726 (vect_finish_stmt_generation): Create a stmt_info to newly created
3728 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3730 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3731 VF is greater than the number of elements that can fit in one vector
3733 (vectorizable_operation, vectorizable_condition): Likewise.
3734 (vectorizable_store, vectorizable_load): Support the case that the VF
3735 is greater than the number of elements that can fit in one vector word.
3736 (vect_transform_loop): Don't fail in case of multiple data-types.
3737 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3738 in case of multiple data-types; the smallest type determines the VF.
3739 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3740 if they are of different sizes.
3741 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3742 number of elements rather than number of bytes.
3743 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3744 (vect_can_advance_ivs_p): Fix a dump printout
3746 2006-11-07 Eric Christopher <echristo@apple.com>
3748 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3749 (__bswapsi2): Ditto.
3750 * libgcc2.h: Remove transformation of bswap routines.
3751 * config/i386/i386.md (bswapsi2): New.
3754 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3756 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3757 (handle_gnu_inline_attribute): New function.
3758 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3759 (merge_decls, start_decl, start_function): Likewise.
3760 * doc/extend.texi: Document gnu_inline attribute.
3762 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3765 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3766 _fixunstfdi, and _floatditf
3768 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3770 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3772 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3773 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3774 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3775 which start in an odd register.
3777 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3779 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3781 2006-11-07 Josh Conner <jconner@apple.com>
3783 * doc/invoke.texi (fstrict-aliasing): Move implementation
3785 * doc/tree-ssa.texi (Alias analysis): ...here.
3787 2006-11-07 Richard Guenther <rguenther@suse.de>
3789 PR tree-optimization/29610
3790 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3791 of tree_purge_dead_eh_edges as it may free dominators.
3793 * g++.dg/other/pr29610.C: New testcase.
3795 2006-11-07 David Ung <davidu@mips.com>
3797 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3798 costs when optimizing for size.
3799 (override_options): Use mips_rtx_cost_optimize_size table for cost
3802 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3804 * gcc.c (process_command): Treat -b as normal switch if its argument
3807 2006-11-07 David Ung <davidu@mips.com>
3809 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3812 2006-11-06 Eric Christopher <echristo@apple.com>
3814 * config.gcc: Add x86_64-darwin host support.
3815 * config.host: Ditto.
3816 * config/i386/darwin64.h: New file.
3817 * config/i386/t-darwin64: Ditto.
3819 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3821 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3822 and output-exists-not.
3824 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3827 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3828 checking for overflow.
3830 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3832 * configure.ac: Fixed typo in case statement: :: changed to ;;
3834 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3836 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3837 count_leading_zeros, and count_trailing_zeros.
3838 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3839 (TARGET_FOLD_BUILTIN): Define.
3840 (TARGET_EXPAND_BUILTIN): Define.
3841 (xtensa_init_builtins): New.
3842 (xtensa_fold_builtin): New.
3843 (xtensa_expand_builtin): New.
3844 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3845 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3846 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3847 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3848 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3849 (any_extend): New code macro.
3850 (u, su): New code attributes.
3851 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3852 (nsau): Remove; replaced by clzsi2.
3853 (ffssi2): Use clzsi2.
3854 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3855 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3856 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3857 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3858 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3860 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3862 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3864 * config/arm/t-strongarm-elf: Likewise.
3865 * config/arm/t-pe: Likewise.
3866 * config/arm/t-arm-elf: Likewise.
3867 * config/arm/t-xscale-elf: Likewise.
3868 * config/arm/t-arm-coff: Likewise.
3869 * config/arm/t-xscale-coff: Likewise.
3870 * config/arm/t-wince-pe: Likewise.
3872 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3874 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3877 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3880 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3883 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3886 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3887 as a valid 80387 constant.
3888 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3889 * config/i386/i386.md (unnamed splitter): Split the load of
3890 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3893 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3895 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3896 from the soft-frame, argument and virtual registers.
3898 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3900 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3901 patterns for standard 80387 constants.
3903 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3904 Steven Bosscher <steven@gcc.gnu.org>
3906 * fwprop.c: New file.
3907 * Makefile.in: Add fwprop.o.
3908 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3909 * passes.c (init_optimization_passes): Schedule forward propagation.
3910 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3912 * timevar.def (TV_FWPROP): New.
3913 * common.opt (-fforward-propagate): New.
3914 * opts.c (decode_options): Enable forward propagation at -O2.
3915 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3916 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3917 canon_for_address, table_size): Remove.
3918 (new_basic_block, insert, remove_from_table): Remove references to
3920 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3921 simplification loop more straightforward by not calling fold_rtx
3923 (equiv_constant): Move here a small part of fold_rtx_subreg,
3924 do not call fold_rtx. Call avoid_constant_pool_reference
3926 * recog.h (canonicalize_change_group): New.
3928 * doc/invoke.texi (Optimization Options): Document fwprop.
3929 * doc/passes.texi (RTL passes): Document fwprop.
3931 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3933 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3934 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3935 (grokdeclarator): Likewise.
3937 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3939 * tree-dump.c (dump_enable_all): Rename local variable
3940 ir_type to avoid name conflicts.
3941 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3942 instead of using ir_type().
3943 * profile.c (tree_register_profile_hooks): Likewise.
3944 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3945 * basic-block.h (struct edge_def): Likewise.
3946 * config/arm/arm.c (legitimize_pic_address): Likewise.
3947 * coretypes.h (ir_type): New enum of all intermediate languages
3949 * cfghooks.c (ir_type): Rename to...
3950 (current_ir_type): ...this. Distinguish between cfgrtl and
3951 cfglayout mode when the current IR is RTL. Return enum ir_type.
3952 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3954 2006-11-03 Paul Brook <paul@codesourcery.com>
3956 * config/arm/arm.c (arm_file_start): New function.
3957 (TARGET_ASM_FILE_START): Define.
3958 (arm_default_cpu): New variable.
3959 (arm_override_options): Set arm_default_cpu.
3961 2006-11-03 David Ung <davidu@mips.com>
3963 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3964 PROCESSOR_24KC and PROCESSOR_24KF.
3965 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3966 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3967 (mips_rtx_cost_data): Add costs for the 24kc.
3968 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3969 * config/mips/24k.md: Remove references to 24k and replace with
3970 uses of 24kc/24kf in the appropriate reservations.
3971 * doc/invoke.texi (MIPS Options): Updated.
3973 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3975 * config/sh/crt1.asm: Fix #ifdef indent.
3977 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3978 Merged from STMicroelectronics sources:
3979 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3980 * config/sh/crt1.asm (vbr_600): Add missing #if.
3981 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3982 * sh.opt (mfused-madd): New option.
3983 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3984 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3985 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3986 Remove pointless handler at VBR+0.
3987 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3988 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3989 fr7. Make sure the timer handler is called with the correct FPU
3990 precision setting, according to the ABI.
3991 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3992 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3993 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3994 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3995 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3996 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3997 zero as second operand.
3998 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3999 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4000 Fixed some bugs related to negative values, in particular -0
4001 and overflow at -0x80000000.
4002 * config/sh/divcost-analysis: Added sh4-300 figures.
4003 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4004 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4005 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4006 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4007 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4008 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4010 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4012 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4013 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4014 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4015 mac_mem, mem_mac, dfp_mul, fp_cmp.
4016 (insn_class, dfp_comp, any_fp_comp): Update.
4017 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4018 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4019 (muldf3_i): Likewise.
4020 (movsi_i): Split rI08 alternative into two separate alternatives.
4022 (movsi_ie, movsi_i_lowpart): Likewise.
4023 (movqi_i): Split ri alternative into two separate alternatives.
4025 * sh1.md (sh1_load_store, sh1_fp): Update.
4026 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4027 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4028 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4029 (sh4a_fp_double_arith): Likewise.
4030 * sh4-300.md: New file.
4031 * sh.c (sh_handle_option): Handle m4-300* options.
4032 (sh_adjust_cost): Fix latency of auto-increments.
4033 Handle SH4-300 differently than other SH4s. Check for new insn types.
4034 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4035 been set by an option.
4036 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4037 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4038 (mbranch-cost=): Likewise.
4039 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4041 * sh.md (mulsf3): Remove special expansion code.
4042 (mulsf3_ie): Now a define_insn_and_split.
4043 (macsf3): Allow for TARGET_SH4.
4045 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4046 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4047 (expand_cbranchdi4): Likewise.
4048 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4049 CONST_DOUBLE if the outer code is COMPARE.
4050 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4051 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4052 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4053 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4054 Remove redundant fp_{zero,one}_operand checks.
4055 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4056 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4057 (expand_cbranchdi4): Likewise.
4058 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4059 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4061 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4063 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4066 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4068 * doc/invoke.texi: Fix mfp-trap-mode typo.
4070 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4072 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4073 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4074 file_end_indicate_exec_stack.
4075 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4077 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4078 for a non-executable stack.
4079 * crti.asm: Likewise.
4080 * crtn.asm: Likewise.
4081 * libunwind.S: Likewise.
4083 2006-11-02 Ben Elliston <bje@au.ibm.com>
4085 * tree-ssa.c (warn_uninit): Use expand_location variables for
4086 locus and declaration locus.
4088 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4091 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4092 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4093 cmp{eq,gt,gtu}{si,di}_media.
4094 (*cmpne0si_media): Remove.
4095 (*movsicc_umin): Adjust gen_cmp*_media call.
4096 (unordered): Change the mode of unordered and operands[1] to
4098 (seq): Adjust gen_cmp*_media calls. Make the mode of
4099 a temporary result of compare SImode if needed. If the mode
4100 of operands[0] is DImode, extend the temporary result to DImode.
4101 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4102 (sunorderd): Change the mode of match_operand and unorderd to
4104 (cmpeq{sf,df}_media): Remove.
4105 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4106 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4107 and compare operation to SImode.
4109 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4111 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4113 (sparc64-sun-solaris2*): Likewise.
4115 2006-11-02 Paul Brook <paul@codesourcery.com>
4117 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4118 from priority argument. Use different section for non-default
4120 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4122 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4125 * except.c (switch_to_exception_section): Do not cache the section
4126 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4127 and flag_function_sections is set.
4129 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4132 * builtins.c (do_mpfr_sincos): New.
4133 (fold_builtin_1): Use it to fold builtin sincos.
4135 2006-11-01 Roger Sayle <roger@eyesopen.com>
4137 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4138 it into -D_REENTRANT.
4140 2006-11-01 Roger Sayle <roger@eyesopen.com>
4142 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4143 whether the assembler supports taking the difference of symbols in
4144 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4145 * configure: Regenerate.
4146 * config.in: Regenerate.
4147 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4148 the assembler doesn't support taking the difference of symbols in
4149 different sections, i.e. we're using the native solaris assembler.
4151 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4152 Peter Bergner <bergner@vnet.ibm.com>
4154 * doc/invoke.texi: Add cpu_type power6x
4155 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4156 * config.gcc: Add cpu_type power6x.
4157 * configure.ac: Add test for mf{t,f}gpr instructions.
4158 (HAVE_AS_MFPGPR): New.
4159 * config.in: Regenerate.
4160 * configure: Regenerate.
4161 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4162 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4163 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4164 and mftgpr attributes.
4165 (define_attr "cpu"): Add power6.
4166 Change instruction sequences to use new attributes.
4167 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4168 (fix_truncdfsi2_mfpgpr): New.
4169 (floatsidf_ppc64_mfpgpr): New.
4170 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4171 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4172 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4173 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4174 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4175 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4176 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4177 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4178 cntlz,exts and var_delayed_compare.
4179 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4180 _ARCH_PWR6X, if features enabled.
4181 * config/rs6000/rs6000.opt (mmfpgpr): New.
4182 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4183 (cached_can_issue_more): New variable.
4184 (processor_costs): Add power6_cost.
4185 (rs6000_sched_init): New function.
4186 (is_dispatch_slot_restricted): Deleted.
4187 (set_to_load_agen): New function.
4188 (is_load_insn,is_store_insn): New functions.
4189 (adjacent_mem_locations): New function.
4190 (insn_must_be_first_in_group): New function.
4191 (insn_must_be_last_in_group): New function.
4192 (rs6000_sched_reorder): New function.
4193 (rs6000_sched_reorder2): New function.
4194 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4195 TARGET_SCHED_REORDER2): Define.
4196 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4197 Add power6x. Add MASK_MFPGPR for power6x.
4198 (POWERPC_MASKS): Add MASK_MFPGPR.
4199 (rs6000_override_options): Set rs6000_always_hint to false
4200 for power6. Set rs6000_align_branch_targets. Replace
4201 rs6000_sched_groups check with rs6000_align_branch_targets.
4202 Use PROCESSOR_POWER6.
4203 (last_scheduled_insn): New variable.
4204 (load_store_pendulum): New variable.
4205 (rs6000_variable_issue): Set last_scheduled_insn and
4206 cached_can_issue_more.
4207 (rs6000_adjust_cost): Add power6 cost adjustments.
4208 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4209 with insn_must_be_first_in_group. Add power6 priority adjustments.
4210 (rs6000_issue_rate): Add CPU_POWER6.
4211 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4212 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4213 (TARGET_MFPGPR): New.
4214 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4215 (ASM_CPU_SPEC): Add power6x.
4216 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4218 * config/rs6000/power6.md: New file.
4220 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4222 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4223 HOST_WIDE_INT_PRINT to print high and low parts. Use
4224 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4225 printing a hexadecimal number prefix it with 0x.
4227 2006-11-01 Chris Johns <chris@contemporary.net.au>
4230 * Makefile.in (install-driver): Use exeext when installing
4231 $target-gcc-$version.
4233 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4235 * c-common.c (flag_cpp0x): New.
4236 * c-common.h (flag_cpp0x): New.
4237 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4238 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4239 * c-opts.c (set_std_cxx0x): New.
4240 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4241 * c.opt (std=c++0x): Document.
4242 (std=gnu++0x): Ditto.
4243 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4244 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4246 2006-11-01 Richard Guenther <rguenther@suse.de>
4248 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4250 (ix86_expand_floorceildf_32): Likewise.
4251 (ix86_expand_floorceil): Likewise.
4252 (ix86_expand_trunc): Likewise.
4254 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4256 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4259 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4261 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4263 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4265 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4267 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4268 * configure.ac (use_cxa_atexit): As a special case, don't test
4269 for libc definition of __cxa_atexit on mingw32
4270 * configure: Regenerate.
4271 * config.gcc (i[34567]86-pc-mingw32): Default to
4272 enable__cxa_atexit=yes.
4274 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4276 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4278 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4281 * c-decl.c (start_struct): Don't create self-containing
4283 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4285 * config/rs6000/rs6000-protos.h
4286 (darwin_rs6000_special_round_type_align): New.
4287 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4288 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4290 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4292 * toplev.c (compile_file): Call final_write_globals
4293 even if there have been errors.
4295 2006-10-31 Eric Christopher <echristo@apple.com>
4296 Falk Hueffner <falk@debian.org>
4298 * doc/extend.texi (__builtin_bswap32): Document.
4299 (__builtin_bswap64): Ditto.
4300 * doc/libgcc.texi (bswapsi2): Document.
4302 * doc/rtl.texi (bswap): Document.
4303 * optabs.c (expand_unop): Don't widen a bswap.
4304 (init_optabs): Init bswap. Set libfuncs explicitly
4305 for bswapsi2 and bswapdi2.
4306 * optabs.h (OTI_bswap): New.
4307 (bswap_optab): Ditto.
4308 * genopinit.c (optabs): Handle bswap_optab.
4309 * tree.h (tree_index): Add TI_UINT32_TYPE and
4311 (uint32_type_node): New.
4312 (uint64_type_node): Ditto.
4313 * tree.c (build_common_tree_nodes_2): Initialize
4314 uint32_type_node and uint64_type_node.
4315 * builtins.c (expand_builtin_bswap): New.
4316 (expand_builtin): Call.
4317 (fold_builtin_bswap): New.
4318 (fold_builtin_1): Call.
4319 * fold-const.c (tree_expr_nonnegative_p): Return true
4321 * builtin-types.def (BT_UINT32): New.
4323 (BT_FN_UINT32_UINT32): Ditto.
4324 (BT_FN_UINT64_UINT64): Ditto.
4325 * builtins.def (BUILT_IN_BSWAP32): New.
4326 (BUILT_IN_BSWAP64): Ditto.
4327 * rtl.def (BSWAP): New.
4328 * genattrtab.c (check_attr_value): New.
4329 * libgcc2.c (__bswapSI2): New.
4330 (__bswapDI2): Ditto.
4331 * libgcc2.h (__bswapSI2): Declare.
4332 (__bswapDI2): Ditto.
4333 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4334 * simplify-rtx.c (simplify_const_unary_operation): Return
4336 * libgcc-std.ver (__bwapsi2): Add.
4337 (__bswapdi2): Ditto.
4338 * reload1.c (eliminate_regs_1): Add bswap.
4339 (elimination_effects): Ditto.
4340 * config/i386/i386.h (x86_bswap): New.
4341 (TARGET_BSWAP): Use.
4342 * config/i386/i386.c (x86_bswap): Set.
4344 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4346 * coverage.c (coverage_checksum_string): Update comment.
4347 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4348 of get_file_function_name.
4349 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4350 of get_file_function_name_long.
4351 * tree.c (get_file_function_name): Rename from
4352 get_file_function_name_long; improve comment; handle 'I' and 'D'
4353 specially when the target has ctor/dtor support; remove special
4355 (get_file_function_name): Remove.
4356 * tree.h (get_file_function_name): Rename from
4357 get_file_function_name_long.
4358 (get_file_function_name): Remove prototype.
4360 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4362 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4363 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4365 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4366 Call dsymutil when compiling and linking one or more source files
4369 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4372 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4374 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4376 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4377 inline static functions in c99 mode.
4380 * doc/extend.texi (Inline): Update.
4381 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4382 * c-decl.c (current_extern_inline): Delete.
4383 (pop_scope): Adjust test for an undefined nested function.
4384 Add warning about undeclared inline function.
4385 (diagnose_mismatched_decls): Update comments. Disallow overriding
4386 of inline functions in a translation unit in C99. Allow inline
4387 declarations in C99 at any time.
4388 (merge_decls): Boolize variables. Handle C99 'extern inline'
4390 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4391 C99 inline semantics.
4392 (start_function): Don't clear current_extern_inline. Don't set
4394 (c_push_function_context): Don't push current_extern_inline.
4395 (c_pop_function_context): Don't restore current_extern_inline.
4398 * c-typeck.c (build_external_ref): Warn about static variables
4399 used in extern inline functions.
4400 * c-decl.c (start_decl): Warn about static variables declared
4401 in extern inline functions.
4403 2006-10-31 Roger Sayle <roger@eyesopen.com>
4406 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4407 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4408 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4409 or y is an even integer.
4411 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4414 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4415 * gthr-posix95.h (__gthread_active_p): Likewise.
4417 2006-10-31 Richard Guenther <rguenther@suse.de>
4419 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4420 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4421 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4422 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4423 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4424 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4425 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4426 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4429 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4431 * opts.c (decode_options): Disable CSE skip blocks.
4433 2006-10-30 Dirk Mueller <dmueller@suse.de>
4435 * c-common.h (strict_aliasing_warning): Fix whitespace.
4436 * c-decl (start_function): Move code for main decl warning ..
4437 * c-common.c (check_main_parameter_types): .. here.
4438 * c-common.h (check_main_parameter_types): Declare.
4440 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4443 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4445 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4447 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4448 be a PARALLEL containing sets. Return false when out_pat is not
4451 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4453 * config/mips/mips.md (mul<mode>3): Split into...
4454 (mulsi3, muldi3): ...these separate patterns.
4456 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4458 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4459 but with each set of options separated by spaces.
4461 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4463 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4464 dwarf_reg_size_table has been initialized.
4466 2006-10-30 Roger Sayle <roger@eyesopen.com>
4468 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4469 * ddg.c (print_ddg_edge): Likewise.
4470 * dwarf2out.c (prune_unused_types_walk): Likewise.
4471 * ifcvt.c (noce_try_cmove_arith): Likewise.
4472 * langhooks.c (add_builtin_function): Likewise.
4473 * reg-stack.c (subst_stack_regs_pat): Likewise.
4474 * tree.c (expanded_location): Likewise.
4475 * tree-dump.c (dequeue_and_dump): Likewise.
4477 2006-10-30 David Daney <ddaney@avtrex.com>
4479 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4481 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4483 PR tree-optimization/29637
4484 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4485 of the innertype is the innertype itself.
4487 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4489 * dwarf2out.c (file_name_acquire): Correct typo.
4491 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4493 * tree.h (tree_value_handle): Remove struct value_set declaration.
4494 Change value_set to bitmap_set.
4495 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4496 * tree-vn.c (get_value_handle): Made inline and moved to
4498 * tree-flow-inline.h: (has_stmt_ann): New function.
4499 * tree-ssa-pre.c (expressions): New variable.
4500 (next_expression_id): Ditto.
4501 (alloc_expression_id): New function.
4502 (struct value_set): Remove.
4503 (get_expression_id): New function.
4504 (get_or_alloc_expression_id): Ditto.
4505 (expression_for_id): Ditto.
4506 (clear_expression_ids): Ditto.
4507 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4508 (bb_value_sets): Renamed to bb_bitmap_sets.
4509 All value sets replaced with bitmap_sets.
4511 (BB_VISITED): New macro.
4512 (postorder): New variable.
4513 (add_to_value): Removed.
4514 (value_exists_in_set_bitmap): Ditto.
4515 (value_insert_into_set_bitmap): Ditto.
4518 (set_remove): Ditto.
4519 (set_contains_value): Ditto.
4520 (insert_into_set): Ditto.
4522 (find_leader): Ditto.
4523 (bitmap_set_subtract_from_value_set): Ditto.
4524 (value_insert_into_set): Ditto.
4525 (print_value_set): Ditto.
4526 (debug_value_set): Ditto.
4527 (constant_expr_p): New function.
4528 (bitmap_remove_from_set): Ditto.
4529 (bitmap_insert_into_set): Ditto.
4530 (bitmap_set_free): Ditto.
4531 (vh_compare): Ditto.
4532 (sorted_array_from_bitmap_set): Ditto.
4533 (bitmap_set_subtract): Ditto.
4534 (bitmap_set_equal): Ditto.
4535 (debug_bitmap_set): Ditto.
4536 (find_leader_in_sets): Ditto.
4537 (bitmap_set_replace_value): Modify for bitmapped sets.
4538 (phi_translate): Ditto.
4539 (phi_translate_set): Ditto.
4540 (bitmap_find_leader): Ditto.
4541 (valid_in_sets): Ditto.
4542 (union_contains_value): Ditto.
4544 (compute_antic_aux): Ditto. Mark changed blocks.
4545 (compute_antic): Ditto. Iterate in postorder and only over
4547 (compute_rvuse_and_antic_safe): Reuse postorder.
4548 (create_component_ref_by_pieces): Modify for bitmapped sets.
4549 (find_or_generate_expression): Ditto.
4550 (create_expression_by_pieces): Ditto.
4551 (insert_into_preds_of_block): Ditto.
4552 (changed_blocks): New variable.
4553 (do_regular_insertion): Broken out from insert_aux.
4554 (insert_aux): Modified for bitmapped sets.
4555 (find_existing_value_expr): New function.
4556 (create_value_expr_from): Use it.
4557 (insert_extra_phis): Removed.
4558 (print_bitmap_set): Renamed from bitmap_print_value_set.
4559 (compute_avail): Handle RETURN_EXPR.
4560 (init_pre): Modify for bitmapped sets.
4561 * tree-flow.h (has_stmt_ann): New function.
4563 2006-10-29 Roger Sayle <roger@eyesopen.com>
4565 * builtins.c (fold_builtin_floor): Check for the availability of
4566 the C99 trunc function before transforming floor into trunc.
4568 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4570 * builtins.c (fold_builtin_hypot): Rearrange recursive
4571 transformation before others, and also do ABS_EXPR. When
4572 necessary, check flag_unsafe_math_optimizations. When necessary,
4575 2006-10-29 Roger Sayle <roger@eyesopen.com>
4577 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4578 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4579 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4580 Fold -X eq/ne -Y as X eq/ne Y.
4582 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4584 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4585 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4586 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4587 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4588 Use an inclusive test for "mult" rather than "mul".
4589 (rotr<mode>3): Depend on ISA_HAS_ROR.
4590 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4592 (GENERATE_MULT3_DI): Delete.
4593 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4594 (ISA_HAS_MUL3): New macro.
4595 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4596 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4597 (ISA_HAS_CLZ_CLO): Likewise.
4598 (ISA_HAS_DCLZ_DCLO): Delete.
4599 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4600 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4601 the VR4120 and VR4130.
4602 (ISA_HAS_MACCHI): Use consistent formatting.
4603 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4604 (ISA_HAS_ROR): ...this new macro.
4605 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4606 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4607 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4609 2006-10-29 Roger Sayle <roger@eyesopen.com>
4611 PR tree-optimization/15458
4612 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4615 2006-10-29 Richard Guenther <rguenther@suse.de>
4617 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4618 (ix86_expand_truncdf_32): Likewise.
4619 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4620 trunc inline for SSE math and -fno-trapping-math and if not
4621 optimizing for size.
4622 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4623 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4624 for expanding btrunc inline for SSE math.
4626 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4628 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4629 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4630 i[34567]86-*-solaris2.1[0-9]*.
4631 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4632 Define conditionally depending on TARGET_64BIT_DEFAULT.
4633 (SPEC_32, SPEC_64): Define.
4634 (LINK_SPEC): Use them.
4635 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4637 2006-10-29 Richard Guenther <rguenther@suse.de>
4639 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4640 (ix86_expand_rounddf_32): Likewise.
4641 * config/i386/i386.c (ix86_expand_round): New function expanding
4642 round inline for SSE math and -fno-trapping-math and if not
4643 optimizing for size.
4644 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4645 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4646 round via ix86_expand_round.
4648 2006-10-29 Richard Guenther <rguenther@suse.de>
4650 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4651 (ix86_expand_floorceildf_32): Likewise.
4652 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4653 static helper function.
4654 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4656 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4657 * config/i386/i386.md (floordf2): Adjust to enable floor
4658 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4659 -fno-trapping-math is enabled and if not optimizing for size.
4660 (floorsf2, ceildf2, ceilsf2): Likewise.
4661 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4662 (sse2_maskcmpdf3): Likewise.
4664 2006-10-29 Richard Guenther <rguenther@suse.de>
4666 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4667 rint in case -fno-trapping-math is enabled.
4668 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4669 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4670 (ix86_expand_sse_fabs): Likewise.
4671 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4672 * config/i386/i386.md (rintdf2): Enable for SSE math if
4673 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4674 (rintsf2): Likewise.
4676 2006-10-29 Richard Guenther <rguenther@suse.de>
4678 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4679 to conversion optabs.
4680 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4681 as conversion optab.
4682 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4683 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4684 (lfloor_optab, lceil_optab): Adjust defines.
4685 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4686 lfloor and lceil optabs now being conversion optabs.
4687 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4688 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4689 New static helper function.
4690 (ix86_expand_lfloorceil): New function to expand lfloor and
4692 * config/i386/i386.md (lfloor<mode>2): Split into ...
4693 (lfloorxf<mode>2): ... x87 variant
4694 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4695 using ix86_expand_lfloorceil.
4696 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4698 * doc/md.texi (lfloorMN, lceilMN): Document.
4700 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4702 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4703 -mno-shared assembler option on mips targets.
4704 * configure, config.in: Regenerate.
4705 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4706 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4707 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4709 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4711 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4712 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4714 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4716 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4717 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4720 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4723 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4724 (fold_builtin_pow): Evaluate constant arguments at compile-time
4726 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4727 (do_mpfr_ckconv): New helper function.
4728 (do_mpfr_arg1): Use do_mpfr_ckconv.
4729 (do_mpfr_arg2): New.
4731 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4734 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4735 (-fdump-rtl-sched): Rename to ..
4736 (-fdump-rtl-sched1): here. Also fix file extension number.
4738 2006-10-28 Richard Guenther <rguenther@suse.de>
4740 * fold-const.c (maybe_canonicalize_comparison): Fix code
4743 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4745 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4746 (NON_QI_REG_P): Use IN_RANGE.
4747 (REX_INT_REGNO_P): Use IN_RANGE.
4748 (FP_REGNO_P): Use IN_RANGE.
4749 (SSE_REGNO_P): Use IN_RANGE.
4750 (REX_SSE_REGNO_P): Use IN_RANGE.
4751 (MMX_REGNO_P): Use IN_RANGE.
4752 (STACK_REGNO_P): New macro.
4753 (STACK_REG_P): Use STACK_REGNO_P.
4754 (NON_STACK_REG_P): Use STACK_REGNO_P.
4755 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4756 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4757 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4758 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4759 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4761 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4763 * except.h (output_function_exception_table): Add 'const char*' param.
4764 * except.c (switch_to_exception_section): Add 'const char*' param.
4765 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4766 and flag_function_sections is set, use a function-specific section.
4767 (output_function_exception_table): Add 'const char*' param.
4768 Adjust call to switch_to_exception_section.
4769 * final.c (rest_of_handle_final): Adjust calls to
4770 output_function_exception_table.
4771 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4772 * config.in: Regenerate.
4773 * configure: Likewise.
4775 2006-10-28 Richard Guenther <rguenther@suse.de>
4778 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4779 for maybe_canonicalize_comparison.
4780 (maybe_canonicalize_comparison): New function for canonicalizing
4782 (fold_comparison): Call it to canonicalize comparisons with
4785 2006-10-28 Richard Guenther <rguenther@suse.de>
4788 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4789 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4790 (expand_builtin): Adjust likewise.
4791 * genopinit.c (optabs[]): Add lround optab.
4792 * optabs.c (init_optabs): Initialize lround_optab.
4793 * optabs.h (enum convert_optab_index): Add COI_lround.
4794 (lround_optab): Define.
4795 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4796 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4798 (ix86_expand_lround): New function.
4799 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4801 * doc/md.texi (lroundMN2): Document.
4803 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4806 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4807 argument to HOST_WIDE_INT. Update function prototype.
4808 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4809 "size" argument to HOST_WIDE_INT. Update function prototype.
4811 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4813 * config/i386/i386.c (output_387_ffreep): Create output from a
4814 template string for !HAVE_AS_IX86_FFREEP.
4816 2006-10-27 Eric Christopher <echristo@apple.com>
4818 * config/darwin.c: Fix formatting and grammar.
4820 2006-10-27 Jan Hubicka <jh@suse.cz>
4822 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4823 to be thrown away soon when IGNORE is set.
4824 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4825 indicating when return value shall not be computed.
4826 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4828 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4830 * config/i386/i386.h (TARGET_GEODE):
4831 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4832 (TARGET_CPU_DEFAULT_geode): New macro.
4833 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4834 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4835 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4836 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4837 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4839 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4840 (processor_type): Add PROCESSOR_GEODE.
4842 * config/i386/i386.md: Include geode.md.
4845 * config/i386/i386.c (geode_cost): New initialized global
4847 (m_GEODE, m_K6_GEODE): New macros.
4848 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4849 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4850 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4851 x86_schedule): Use m_K6_GEODE instead of m_K6.
4852 (x86_movx, x86_cmove): Set up m_GEODE.
4853 (x86_integer_DFmode_moves): Clear m_GEODE.
4854 (processor_target_table): Add entry for geode.
4855 (processor_alias_table): Ditto.
4857 * config/i386/geode.md: New file.
4859 * doc/invoke.texi: Add entry about geode processor.
4861 2006-10-27 Mike Stump <mrs@apple.com>
4863 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4864 __DYNAMIC__ from here back to ...
4865 * config/darwin.h (CPP_SPEC): ... here.
4867 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4868 Nathan Sidwell <nathan@codesourcery.com>
4870 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4871 when choosing the minimum heapsize.
4873 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4875 * gcc/unwind-dw2.h: Move cfa-related variables into
4876 struct frame_state_reg_info to ensure that the CFA is properly
4877 handled when executing DW_CFA_{remember,restore}_state.
4878 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4879 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4880 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4881 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4882 gcc/config/rs6000/linux-unwind.h,
4883 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4884 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4885 Modify to use new cfa_* fields.
4887 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4889 * config/s390/s390.c (s390_init_frame_layout): Check positive
4892 2006-10-26 Ben Elliston <bje@au.ibm.com>
4894 * gimplify.c (get_name): Remove extraneous break.
4895 (gimplify_omp_for): Initialise ret with GS_OK.
4897 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4899 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4900 Add unix98.o to link line.
4902 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4905 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4906 Calculate compile-time constants using MPFR.
4907 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4908 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4910 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4912 * config/xtensa/lib2funcs.S: Use C-style comments.
4914 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4916 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4917 (file_table_relative_p): Likewise.
4918 (dwarf2out_finish): Likewise.
4919 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4921 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4923 * tree-ssa-structalias.c (intra_create_variable_infos):
4924 Don't recreate nonlocal_all if it already exists.
4926 2006-10-25 Richard Guenther <rguenther@suse.de>
4929 * optabs.h (enum optab_index): Remove OTI_lrint.
4930 (enum convert_optab_index): Add COI_lrint.
4931 (lrint_optab): Adjust.
4932 (expand_sfix_optab): Declare.
4933 * optabs.c (expand_sfix_optab): New function.
4934 (init_optabs): Init lrint_optab as conversion optab.
4935 * genopinit.c (lrint_optab): Change to a conversion optab.
4936 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4937 expansion via conversion optab.
4938 * config/i386/i386.md (*fistdi2_1): Remove
4939 flag_unsafe_math_optimizations guard.
4940 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4941 fist<mode>2_with_temp): Likewise.
4942 (lrint<mode>2): Split into...
4943 (lrintxf<mode>2): ... x87 part
4944 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4945 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4946 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4947 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4948 * doc/md.texi (lrintMN2): Document.
4950 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4953 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4954 Use inc and dec instructions for TARGET_USE_INCDEC.
4955 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4956 ("sync_double_compare_and_swap<mode>"): Likewise.
4957 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4958 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4959 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4960 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4961 ("sync_old_add<mode>"): Likewise.
4962 ("sync_lock_test_and_set<mode>"): Likewise.
4963 ("sync_lock_test_and_set<mode>"): Likewise.
4964 ("sync_add<mode>"): Likewise.
4965 ("sync_sub<mode>"): Likewise.
4966 ("sync_ior<mode>"): Likewise.
4967 ("sync_and<mode>"): Likewise.
4968 ("sync_xor<mode>"): Likewise.
4970 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4972 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4973 (remainder_optab): Define corresponding macro.
4974 (drem_optab): Remove.
4975 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4976 drem_optab initialization.
4977 * genopinit.c (optabs): Implement remainder_optab using
4978 remainder?f3 patterns. Remove drem_optab.
4979 * builtins.c (expand_builtin_mathfn_2): Handle
4980 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4981 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4982 expand_builtin_mathfn_2.
4984 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4985 depend on flag_unsafe_math_optimizations.
4987 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4988 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4989 Do not depend on flag_unsafe_math_optimizations. Use
4990 truncxf?f expander instead of truncxf?f_i387_noop.
4992 ("fpremxf4", "fprem1xf4"): Do not depend on
4993 flag_unsafe_math_optimizations.
4994 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4995 flag_unsafe_math_optimizations. Use truncxf?f expander
4996 instead of truncxf?f_i387_noop.
4998 * doc/md.texi (fmod, remainder): Document standard named pattern.
5000 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5001 David Daney <ddaney@avtrex.com>
5004 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5006 2006-10-25 Ben Elliston <bje@au.ibm.com>
5008 * doc/extend.texi (Variable Attributes): Typo fix.
5010 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5012 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5013 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5014 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5015 (FRAME_POINTER_REGNUM): Update register number to 21.
5016 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5017 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5019 * config/i386/i386.c (regclass_map): Add fpcr entry.
5020 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5022 (print_reg): Assert REGNO (x) != FPCR_REG.
5024 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5025 (DIRFLAG_REG): Renumber.
5026 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5027 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5028 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5029 hardcoded SSE register numbers.
5031 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5032 hardcoded MMX register numbers.
5034 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5037 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5038 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5040 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5041 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5042 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5043 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5045 2006-10-24 Richard Guenther <rguenther@suse.de>
5048 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5049 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5050 for deciding optimizations in consistency with fold-const.c
5051 (fold_builtin_unordered_cmp): Likewise.
5053 2006-10-24 Richard Guenther <rguenther@suse.de>
5055 * builtins.c (fold_builtin_floor): Fold floor (x) where
5056 x is nonnegative to trunc (x).
5057 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5058 nonnegative to FIX_TRUNC_EXPR.
5060 2006-10-24 Richard Guenther <rguenther@suse.de>
5062 PR tree-optimization/29567
5063 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5064 for TRUTH_NOT_EXPR. Clarify comments.
5066 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5069 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5070 at compile-time using MPFR. Change parameter VALUE to FUNC,
5072 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5073 for overflow and underflow at all times and avoid folding in
5076 2006-10-24 Ben Elliston <bje@au.ibm.com>
5078 * reload1.c: Formatting fixes.
5080 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5082 PR tree-optimization/14784
5083 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5084 * tree-ssa-structalias.c (get_constraint_for,
5085 intra_create_variable_infos): Set is_heapvar.
5086 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5087 non-heapvar pointer variables specially.
5089 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5092 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5093 fold_builtin_tan): Fold all constant arguments. Take a "type"
5094 argument as necessary.
5095 (do_mpfr_arg1): New.
5096 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5098 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5100 * config/xtensa/lib1funcs.asm: Use C-style comments.
5102 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5104 * tree.c (local_define_builtin): Replace calls to
5105 lang_hooks.builtin_function with add_builtin_function.
5106 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5108 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5110 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5111 common code to add_builtin_function.
5112 * langhooks.c (add_builtin_function): New function.
5113 (lhd_builtin_function): New function.
5114 * langhooks.h (struct lang_hooks): Change the signature of
5116 (add_builtin_function): New function.
5117 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5118 calls to lang_hooks.builtin_function with add_builtin_function.
5119 * c-common.c (decl_builtin_1): Replace calls to
5120 lang_hooks.builtin_function with add_builtin_function.
5121 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5122 lang_hooks.builtin_function with add_builtin_function.
5123 * config/frv/frv.c (def_builtin): Replace calls to
5124 lang_hooks.builtin_function with add_builtin_function.
5125 * config/s390/s390.c (s390_init_builtins): Replace calls to
5126 lang_hooks.builtin_function with add_builtin_function.
5127 * config/sparc/sparc.c (def_builtin): Replace calls to
5128 lang_hooks.builtin_function with add_builtin_function.
5129 * config/i386/i386.c (def_builtin): Replace calls to
5130 lang_hooks.builtin_function with add_builtin_function.
5131 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5132 lang_hooks.builtin_function with add_builtin_function.
5133 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5134 lang_hooks.builtin_function with add_builtin_function.
5135 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5136 Replace calls to lang_hooks.builtin_function with
5137 add_builtin_function.
5138 * config/iq2000/iq2000.c (def_builtin):
5139 Replace calls to lang_hooks.builtin_function with
5140 add_builtin_function.
5141 * config/ia64/ia64.c (def_builtin): Replace calls to
5142 lang_hooks.builtin_function with add_builtin_function.
5143 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5144 lang_hooks.builtin_function with add_builtin_function.
5145 (altivec_init_builtins): Replace calls to
5146 lang_hooks.builtin_function with add_builtin_function.
5147 * config/arm/arm.c (def_mbuiltin): Replace calls to
5148 lang_hooks.builtin_function with add_builtin_function.
5149 (arm_init_tls_builtins): Replace calls to
5150 lang_hooks.builtin_function with add_builtin_function.
5151 * config/mips/mips.c (mips_init_builtins): Replace calls to
5152 lang_hooks.builtin_function with add_builtin_function.
5153 * config/bfin/bfin.c (def_builtin): Replace calls to
5154 lang_hooks.builtin_function with add_builtin_function.
5155 * langhooks-def.h (lhd_builtin_function): New function.
5156 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5158 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5160 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5161 BUILT_IN_STRNCAT_CHK.
5163 2006-10-23 Jan Hubicka <jh@suse.cz>
5165 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5166 don't do conversion from memmove to memcpy here.
5167 (expand_builtin_bcopy, expand_builtin): Update call of
5168 expand_builtin_memmove.
5169 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5171 2006-10-23 Paul Brook <paul@codesourcery.com>
5173 * stor-layout.c (start_record_layout): maximum_field_alignment
5174 overrides STRUCTURE_SIZE_BOUNDARY.
5176 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5178 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5179 nonlocal function symbols if flag_pic.
5181 2006-10-23 Richard Guenther <rguenther@suse.de>
5185 * builtins.c (fold_binary): Remove checks for flag_wrapv
5186 and flag_trapv where negate_expr_p covers these cases.
5188 2006-10-23 Richard Guenther <rguenther@suse.de>
5191 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5192 of two on the absolute value.
5193 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5194 and negating -C does not overflow.
5196 2006-10-23 Richard Guenther <rguenther@suse.de>
5199 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5200 only if not flag_rounding_math.
5202 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5203 Kaz Kojima <kkojima@gcc.gnu.org>
5206 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5207 SImode memory reference for the source of a movua.
5208 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5209 (movua): Use an unspec instead of sign_extract. Expect the source
5210 to have mode BLKmode.
5211 (extv, insv): Use a BLKmode rather than SImode memory reference
5212 for the source of a movua.
5214 2006-10-22 Jeff Law <law@redhat.com>
5215 Richard Guenther <rguenther@suse.de>
5217 PR tree-optimization/15911
5218 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5219 (register_edge_assert_for_1): Likewise.
5220 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5221 (find_conditional_asserts): Adjust for new function signature.
5222 (find_assert_locations): Likewise.
5224 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5226 * config/i386/tmmintrin.h: Remove the duplicated content.
5228 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5230 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5231 (x86_64-*-*): Likewise.
5233 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5234 (override_options): Check SSSE3.
5235 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5236 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5237 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5238 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5239 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5240 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5241 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5242 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5243 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5244 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5245 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5246 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5247 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5248 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5249 IX86_BUILTIN_PABSD128.
5250 (bdesc_2arg): Add SSSE3.
5251 (bdesc_1arg): Likewise.
5252 (ix86_init_mmx_sse_builtins): Support SSSE3.
5253 (ix86_expand_builtin): Likewise.
5254 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5256 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5257 (UNSPEC_PSIGN): Likewise.
5258 (UNSPEC_PALIGNR): Likewise.
5259 Include mmx.md before sse.md.
5261 * config/i386/i386.opt: Add -mssse3.
5263 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5264 (ssse3_phaddwv4hi3): Likewise.
5265 (ssse3_phadddv4si3): Likewise.
5266 (ssse3_phadddv2si3): Likewise.
5267 (ssse3_phaddswv8hi3): Likewise.
5268 (ssse3_phaddswv4hi3): Likewise.
5269 (ssse3_phsubwv8hi3): Likewise.
5270 (ssse3_phsubwv4hi3): Likewise.
5271 (ssse3_phsubdv4si3): Likewise.
5272 (ssse3_phsubdv2si3): Likewise.
5273 (ssse3_phsubswv8hi3): Likewise.
5274 (ssse3_phsubswv4hi3): Likewise.
5275 (ssse3_pmaddubswv8hi3): Likewise.
5276 (ssse3_pmaddubswv4hi3): Likewise.
5277 (ssse3_pmulhrswv8hi3): Likewise.
5278 (ssse3_pmulhrswv4hi3): Likewise.
5279 (ssse3_pshufbv16qi3): Likewise.
5280 (ssse3_pshufbv8qi3): Likewise.
5281 (ssse3_psign<mode>3): Likewise.
5282 (ssse3_psign<mode>3): Likewise.
5283 (ssse3_palignrti): Likewise.
5284 (ssse3_palignrdi): Likewise.
5285 (abs<mode>2): Likewise.
5286 (abs<mode>2): Likewise.
5288 * config/i386/tmmintrin.h: New file.
5290 * doc/extend.texi: Document SSSE3 built-in functions.
5292 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5294 2006-10-22 Ira Rosen <irar@il.ibm.com>
5296 * tree-vect-transform.c (vectorizable_load): Use the type of the
5297 return value of the mask_for_load builtin to create realign_load
5300 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5302 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5305 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5307 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5308 (UNSPEC_LDDQU): This.
5309 * config/i386/sse.md (sse3_lddqu): Updated.
5311 2006-10-21 Richard Guenther <rguenther@suse.de>
5313 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5314 (expand_builtin): Use it to expand lrint instead of
5315 expand_builtin_mathfn.
5317 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5320 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5321 flag_unsafe_math_optimizations is set.
5323 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5326 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5327 patterns to use memory input operand in x87->mem->XMM
5328 reload sequences. Skip transformation for TARGET_K8.
5330 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5332 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5333 force operand1 to register if both operands are memory operands.
5334 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5335 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5336 if both operands are memory operands.
5337 (truncdfsf2): Do not force operand1 to register if both operands
5338 are memory operands.
5340 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5342 * Makefile.in (LIBS): Add $(GMPLIBS).
5343 * doc/install.texi: Update GMP and MPFR requirements.
5344 * doc/sourcebuild.texi (need_gmp): Delete.
5346 2006-10-21 Richard Guenther <rguenther@suse.de>
5348 PR tree-optimization/3511
5349 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5350 got new invariant arguments during PHI translation.
5352 2006-10-21 Richard Guenther <rguenther@suse.de>
5355 * fold-const.c (fold_comparison): Fold signed comparisons
5356 of the form X +- C1 CMP Y +- C2.
5358 2006-10-21 Richard Guenther <rguenther@suse.de>
5361 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5362 if flag_unsafe_math_optimizations is specified. We have
5363 flag_finite_math_only for that.
5364 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5365 or flag_unsafe_math_optimizations.
5367 2006-10-21 Richard Guenther <rguenther@suse.de>
5369 * builtins.c (fold_builtin_classify): Fix typo.
5371 2006-10-21 Richard Guenther <rguenther@suse.de>
5374 * simplify-rtx.c (simplify_const_relational_operation):
5375 Do not constant-fold ORDERED and UNORDERED for
5376 flag_unsafe_math_optimizations but only we do not need to
5377 honor NaNs for the given mode.
5379 2006-10-21 Richard Guenther <rguenther@suse.de>
5382 * config/i386/i386.c (classify_argument): Remove redundant
5383 walking of the BINFOs.
5384 (contains_128bit_aligned_vector_p): Likewise.
5386 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5388 * BASE-VER: Set to 4.3.0.
5390 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5392 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5393 (tree_decl_with_vis): Remove artificial_pta_var flag.
5394 * tree-flow.h (referenced_var_check_and_insert): Expose.
5395 (nonlocal_all): New prototype.
5396 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5397 (nonlocal_all): Make global.
5398 (nonlocal_lookup): Remove.
5399 (nonlocal_insert): Ditto.
5400 (create_nonlocal_var): Do not call nonlocal_insert.
5401 (get_nonlocal_id_for_type): Remove.
5402 (find_global_initializers): Mark new vars we find for renaming.
5403 (intra_create_variable_infos): Only create one nonlocal.
5404 (expand_nonlocal_solutions): Remove.
5405 (compute_points_to_sets): Don't call it.
5406 (ipa_pta_execute): Ditto.
5407 (init_alias_heapvars): Don't create nonlocal_for_type.
5408 (delete_alias_heapvars): Don't remove it.
5409 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5412 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5414 * doc/install.texi (Downloading GCC): Clarify mention of
5415 Fortran in the "full distribution" description.
5417 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5419 Fix PR tree-optimization/28778
5420 Fix PR tree-optimization/29156
5421 Fix PR tree-optimization/29415
5422 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5423 (tree_decl_with_vis): Add artificial_pta_var flag.
5424 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5425 pushed into callers.
5426 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5427 (nonlocal_all): Ditto.
5428 (struct variable_info): Add directly_dereferenced member.
5429 (var_escaped_vars): New variable.
5430 (escaped_vars_tree): Ditto.
5431 (escaped_vars_id): Ditto.
5432 (nonlocal_vars_id): Ditto.
5433 (new_var_info): Set directly_dereferenced.
5434 (graph_size): New variable
5435 (build_constraint_graph): Use graph_size.
5436 (solve_graph): Don't process constraints that cannot change the
5437 solution, don't try to propagate an empty solution to our
5439 (process_constraint): Set directly_dereferenced.
5440 (could_have_pointers): New function.
5441 (get_constraint_for_component_ref): Don't process STRING_CST.
5442 (nonlocal_lookup): New function.
5443 (nonlocal_insert): Ditto.
5444 (create_nonlocal_var): Ditto.
5445 (get_nonlocal_id_for_type): Ditto.
5446 (get_constraint_for): Allow results vector to be empty in the case
5447 of string constants.
5448 Handle results of calls properly.
5449 (update_alias_info): Update alias info stats on number and type of
5451 (find_func_aliases): Use could_have_pointers.
5452 (make_constraint_from_escaped): Renamed from
5453 make_constraint_to_anything, and changed to make constraints from
5455 (make_constraint_to_escaped): New function.
5456 (find_global_initializers): Ditto.
5457 (create_variable_info_for): Make constraint from escaped to any
5458 global variable, and from any global variable to the set of
5460 (intra_create_variable_infos): Deal with escaped instead of
5461 pointing to anything.
5462 (set_uids_in_ptset): Do type pruning on directly dereferenced
5464 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5465 (init_base_vars): Fix comment, and initialize escaped_vars.
5466 (need_to_solve): Removed.
5467 (find_escape_constraints): New function.
5468 (expand_nonlocal_solutions): Ditto.
5469 (compute_points_to_sets): Call find_escape_constraints and
5470 expand_nonlocal_solutions.
5471 (delete_points_to_sets): Don't fall off the end of the graph.
5472 (init_alias_heapvars): Initialize nonlocal_for_type and
5474 (delete_alias_heapvars): Free nonlocal_for_type and null out
5477 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5479 * fold-const.c (add_double): Rename to add_double_with_sign.
5480 Add 'unsigned_p' parameter and take it into account for the overflow.
5481 (mul_double): Rename to mul_double_with_sign.
5482 Add 'unsigned_p' parameter and take it into account for the overflow.
5483 (fold_div_compare): Call add_double_with_sign instead of add_double
5484 and mul_double_with_sign instead of mul_double, passing them the
5485 unsignedness of the type.
5486 * tree.h (add_double): Macroize.
5487 (add_double_with_sign): New prototype.
5488 (mul_double): Macroize.
5489 (mul_double_with_sign): New prototype.
5491 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5493 * config/score/crti.asm: New file.
5494 * config/score/crtn.asm: New file.
5495 * config/score/elf.h: New file.
5496 * config/score/mac.md: New file.
5497 * config/score/misc.md: New file.
5498 * config/score/mul-div.S: New file.
5499 * config/score/predicates.md: New file.
5500 * config/score/score7.md: New file.
5501 * config/score/score.c: New file.
5502 * config/score/score-conv.h: New file.
5503 * config/score/score.h: New file.
5504 * config/score/score.md: New file.
5505 * config/score/score-mdaux.c: New file.
5506 * config/score/score-mdaux.h: New file.
5507 * config/score/score-modes.def: New file.
5508 * config/score/score.opt: New file.
5509 * config/score/score-protos.h: New file.
5510 * config/score/score-version.h: New file.
5511 * config/score/t-score-elf: New file.
5512 * config.gcc: Add score*-*-* configurations(Update before).
5513 * doc/invoke.texi (Score Options): New section.
5514 * doc/md.texi (Score family): New section to document constraints.
5516 2006-10-19 Nick Clifton <nickc@redhat.com>
5518 * config/arm/arm.c: Fix spelling typo.
5520 2006-10-18 Tom Tromey <tromey@redhat.com>
5522 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5524 2006-10-18 Jan Hubicka <jh@suse.cz>
5527 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5530 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5532 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5533 TSI_SAME_STMT, since that's the desired entity.
5535 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5537 * config/s390/contraints.md: New file.
5538 * config/s390/s390-protos.h (s390_mem_constraint,
5539 s390_O_constraint_str, s390_N_constraint_str,
5540 s390_float_const_zero_p): Function prototypes added.
5541 * config/s390/s390.c (s390_extra_constraint_str,
5542 s390_const_double_ok_for_constraint_p,
5543 s390_const_ok_for_constraint_p): Functions removed.
5544 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5545 s390_float_const_zero_p): New functions.
5546 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5547 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5548 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5549 Macro definitions removed.
5550 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5551 s390_extra_constraint_str): Functions removed.
5553 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5554 Richard Sandiford <richard@codesourcery.com>
5557 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5558 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5560 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5562 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5563 (DWARF2_FRAME_REG_OUT): Likewise.
5564 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5565 (DWARF2_FRAME_REG_OUT): Likewise.
5567 2006-10-17 Paul Brook <paul@codesourcery.com>
5569 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5571 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5573 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5574 Standardize on "GNU Fortran" as the official name of the Fortran
5577 2006-10-16 Mike Stump <mrs@apple.com>
5579 * doc/invoke.texi (Darwin Options): Document -mkernel.
5580 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5582 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5583 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5584 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5585 (OS_MISSING_ALTIVEC): Add.
5586 * config/i386/i386.c (override_options): Add
5587 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5588 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5589 -mkernel, -static or -mdynamic-no-pic is given.
5590 (C_COMMON_OVERRIDE_OPTIONS): Add.
5591 * config/darwin.opt (fapple-kext): Add.
5593 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5594 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5596 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5597 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5598 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5599 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5600 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5601 (flag_mkernel): Add.
5602 (flag_apple_kext): Add.
5603 (TARGET_KEXTABI): Add.
5604 * config/darwin.c (darwin_handle_kext_attribute): Add.
5605 (DARWIN_VTABLE_P): Add.
5606 (darwin_binds_local_p): Add partial support for rebinding vtables
5608 (darwin_kextabi_p): Add.
5609 (darwin_override_options): Add.
5610 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5611 (darwin_kextabi_p): Add.
5612 (darwin_override_options): Add.
5613 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5614 __DYNAMIC__ and __STATIC__ here.
5616 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5618 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5619 Added mention of "make pdf" target, and Texinfo requirements for
5622 2006-10-16 DJ Delorie <dj@redhat.com>
5624 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5625 into the GOT in case we need a subreg of the address.
5627 2006-10-16 Richard Guenther <rguenther@suse.de>
5630 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5631 SSE builtin documentation. Document SSE2 builtins.
5633 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5635 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5636 symbol in the output file for non-shared links when -nostdlib or
5637 -nodefaultlibs isn't specified.
5639 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5640 posix thread support.
5642 2006-10-15 Jan Hubicka <jh@suse.cz>
5645 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5646 declared always_inline even when not inlining.
5648 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5649 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5650 Andrew Pinski <pinskia@gmail.com>
5653 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5655 2006-10-15 Jan Hubicka <jh@suse.cz>
5656 Richard Guenther <rguenther@suse.de>
5659 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5660 process_function_and_variable_attributes on all variables, including
5661 those discovered during cgraph construction phase.
5663 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5665 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5667 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5669 * config/i386/athlon.md (athlon_fist): Add fisttp.
5671 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5672 Ian Lance Taylor <ian@airs.com>
5675 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5676 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5679 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5681 * config/score/score.c, config/score/score.h: Fix comment
5684 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5687 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5690 2006-10-13 Eric Christopher <echristo@apple.com>
5692 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5694 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5697 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5698 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5699 alignment supported by 32-bit ELF.
5701 2006-10-13 Eric Christopher <echristo@apple.com>
5703 * config/darwin.c (darwin_emit_unwind_label): Strip
5704 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5706 2006-10-13 Richard Guenther <rguenther@suse.de>
5708 PR tree-optimization/29446
5709 * tree-vrp.c (fix_equivalence_set): Remove.
5710 (extract_range_from_assert): Do not call fix_equivalence_set.
5711 (debug_value_range): Print a newline.
5712 (compare_name_with_value): For equivalence sets with
5713 inconsistent value ranges conservatively bail out.
5714 (compare_names): Likewise.
5716 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5718 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5719 and MPFR for gfortran.
5721 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5723 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5724 alignment supported by 32-bit ELF.
5726 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5730 * c-typeck.c (digest_init): Always allow initializing vectors
5731 that have static storage duration with compound literals.
5732 * tree.c (build_type_attribute_qual_variant): New, based on
5733 build_type_attribute_variant.
5734 (build_type_attribute_variant): Rewrite using the former.
5735 (make_vector_type): Use build_type_attribute_qual_variant to build
5736 type variants. Use type_hash_canon on the others.
5738 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5739 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5741 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5743 2006-10-12 Jan Hubicka <jh@suse.cz>
5746 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5747 current_function_decl is set but current_function_scope is not.
5749 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5751 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5752 emit_insn to emit eh_return_internal instruction.
5753 (eh_return_internal): Explicitly set pc.
5755 2006-10-11 Richard Guenther <rguenther@suse.de>
5757 PR tree-optimization/28230
5758 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5759 to the correct place.
5761 2006-10-11 Richard Guenther <rguenther@suse.de>
5764 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5767 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5769 * configure.ac: Added pdf to "Make-hooks"
5770 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5771 targets and *.pdf file patterns in cleanup targets.
5772 * configure: Regenerated.
5774 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5776 * config/avr/predicates.md: New file.
5777 * config/avr/avr.md: Include it.
5778 (REG_SP): New constant.
5779 (peepholes): Use predicates.
5780 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5781 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5782 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5784 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5786 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5789 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5792 * builtins.c (var_decl_component_p): New function.
5793 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5794 single entry optimization to variables and components thereof.
5796 2006-10-10 Richard Guenther <rguenther@suse.de>
5798 PR rtl-optimization/29323
5799 * except.c (set_nothrow_function_flags): For functions
5800 that do not bind local bail out early.
5802 2006-10-10 Ben Elliston <bje@au.ibm.com>
5804 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5807 2006-10-09 Richard Henderson <rth@redhat.com>
5809 Revert emutls patch.
5811 2006-10-09 Richard Guenther <rguenther@suse.de>
5814 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5817 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5820 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5821 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5822 * configure: Regenerate.
5823 * config.in: Regenerate.
5825 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5827 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5829 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5831 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5832 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5833 Remove stray newline.
5835 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5837 * config/mips/mips.c (mips_classify_symbol): Do not return
5838 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5839 (mips_in_small_data_p): Tweak comments.
5841 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5843 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5845 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5847 * gimplify.c, sched-int.h: Fix comment typos.
5849 * sched-int.h: Fix comment typos.
5851 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5853 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5855 * sched-ebb.c (begin_schedule_ready): Use them.
5856 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5857 add_to_speculative_block, create_check_block_twin, speculate_insn,
5858 fix_jump_move, move_block_after_check): Ditto.
5859 * sched-rgn.c (new_ready): Ditto.
5861 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5863 PR rtl-optimization/29128
5864 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5865 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5866 allow interblock movement of speculation checks.
5868 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5871 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5872 casted to integer type.
5873 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5874 if they are significantly more expensive than [reg + index] ones.
5876 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5878 PR tree-optimization/29330
5879 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5880 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5881 on newly allocated ddrs.
5882 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5883 to VEC (loop_p, heap) pointer.
5884 (compute_data_dependences_for_loop): Adjust caller.
5885 (free_dependence_relations): Free DDR_LOOP_NEST.
5887 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5888 free DEPENDENCE_RELATIONS and DATAREFS.
5891 * builtins.c (expand_builtin_sync_operation,
5892 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5893 Use convert_to_mode to handle promoted arguments.
5895 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5897 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5899 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5901 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5903 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5905 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5906 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5907 Use <modeconstraint> instead of "r" as operand 1 constraint.
5909 2006-10-06 Olivier Hainque <hainque@adacore.com>
5911 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5912 Don't recurse on the pointed-to type.
5913 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5914 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5915 types with components of variable size.
5917 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5919 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5921 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5923 PR tree-optimization/29290
5924 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5928 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5929 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5932 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5933 the number of vector elements fill the rest with zeros.
5935 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5937 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5938 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5941 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5943 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5944 unnamed pattern into subsi3. Use correct constraints/predicates.
5945 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5946 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5948 2006-10-05 Ira Rosen <irar@il.ibm.com>
5950 * doc/loop.texi: Add data references analysis description.
5952 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5954 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5956 2006-10-04 Richard Henderson <rth@redhat.com>
5957 Jakub Jelinek <jakub@redhat.com>
5959 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5960 * builtin-types.def (BT_WORD): Make unsigned.
5961 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5962 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5963 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5964 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5965 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5966 * cgraph.c (decide_is_variable_needed): Look at force_output.
5967 Recurse for emulated tls.
5968 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5969 checks redundant with decide_is_variable_needed.
5970 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5971 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5973 * expr.c (emutls_var_address): New.
5974 (expand_expr_real_1): Expand emulated tls.
5975 (expand_expr_addr_expr_1): Likewise.
5976 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5977 * output.h (emutls_finish): Declare.
5978 * toplev.c (compile_file): Call it.
5979 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5980 address before wrapping in CONST.
5981 * varasm.c (emutls_htab, emutls_object_type): New.
5982 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5983 (get_emutls_object_name, get_emutls_object_type): New.
5984 (get_emutls_init_templ_addr, emutls_decl): New.
5985 (emutls_common_1, emutls_finish): New.
5986 (assemble_variable): When emulating tls, swap decls; generate
5987 constructor for the emutls objects.
5988 (do_assemble_alias): When emulating tls, swap decl and target name.
5989 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5991 * emutls.c: New file.
5992 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5993 tls_object for real tls.
5995 2006-10-04 Zack Weinberg <zackw@panix.com>
5997 Fix bug in constraint-check generator, reported by Rask Ingemann
5999 * genpreds.c (add_constraint): Don't remove anything from the
6001 (write_tm_constrs_h): Detect whether "op" argument is used, and
6002 mark it ARG_UNUSED if it isn't.
6003 (write_insn_const_int_ok_for_constraint): Skip the part of the
6004 expression that would test whether "op" (which is not available
6005 here) is a CONST_INT.
6007 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6010 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6012 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6014 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6015 current Leopard versions.
6016 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6018 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6020 * doc/install.texi: Fix typos.
6022 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6024 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6025 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6026 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6028 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6030 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6031 arg to be struct mach_header_64* instead.
6033 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6036 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6037 side effects after the outer expression's post side effects.
6039 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6041 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6042 comments to reflect actual behavior and relationship between
6043 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6045 * doc/c-tree.texi (Working with declarations): Fix documentation
6046 of FIELD_DECL likewise.
6048 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6051 * doc/extend.texi: Add used variable attribute description.
6053 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6056 * c.opt (Woverride-init): New.
6057 * c-opts.c (c_common_post_options): Default warn_override_init to
6059 * c-typeck.c (add_pending_init, output_init_element): Warn for
6060 overriding initializers without side effects.
6061 * doc/invoke.texi (-Woverride-init): Document.
6064 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6066 PR rtl-optimization/28096
6067 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6068 assignment has already been used as a destination earlier in the block.
6070 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6072 * builtins.c (expand_builtin_setjmp): Delete.
6073 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6074 <BUILT_IN_SETJMP_SETUP>: New case.
6075 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6076 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6077 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6078 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6079 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6080 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6081 (lower_function_body): Initialize it to false. If it is set to true
6082 at the end of the processing, emit the setjmp dispatcher.
6083 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6084 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6085 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6086 on the rhs of the assignment.
6087 (lower_builtin_setjmp): New function.
6088 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6089 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6090 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6091 to detect calls that can go to non-local labels. Use specific
6092 helper to create the abnormal edges associated with them.
6093 <MODIFY_EXPR>: Likewise.
6094 (make_abnormal_goto_edges): New function extracted from...
6095 (make_goto_expr_edges): ...here. Call it for computed gotos.
6096 (simple_goto_p): Minor tweak.
6097 (tree_can_make_abnormal_goto): New predicate.
6098 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6099 (tree_purge_dead_abnormal_call_edges): New function.
6100 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6101 (tree_purge_dead_abnormal_call_edges): Likewise.
6102 (make_abnormal_goto_edges): Likewise.
6103 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6104 Purge all dead abnormal edges if the call was in the last statement.
6105 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6106 (execute_fixup_cfg): If there are non-local labels in the function,
6107 scan the basic blocks and split them at calls that can go to non-local
6108 labels or add missing abnormal call edges. Write down the CFG in the
6110 (pass_fixup_cfg): Remove TODO_dump_func flag.
6111 * unwind-sjlj.c: Poison setjmp.
6112 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6113 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6114 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6115 (DONT_USE_BUILTIN_SETJMP): Document it.
6117 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6120 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6121 to 1 when __ppc64__ is defined.
6122 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6124 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6126 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6128 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6129 * config/ia64/unwind-hpux.c: Delete.
6131 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6133 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6134 on the element before gimplifying it, instead of punting if it is of
6137 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6139 * doc/loop.texi: New file.
6140 * doc/gccint.texi: Reference loop.texi.
6141 * Makefile.in (loop.texi): Add.
6143 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6145 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6147 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6148 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6150 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6152 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6154 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6156 * doc/install.texi: Document required versions of GMP and MPFR.
6158 2006-09-27 Paul Brook <paul@codesourcery.com>
6161 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6163 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6165 * reload1.c (alter_reg): Require the alignment of the stack slot to
6166 be at least reg_max_ref_width bytes.
6167 (scan_paradoxical_subregs): Record the largest width in
6170 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6174 * tree-nested.c (struct nesting_info): Added static_chain_added.
6175 (convert_call_expr): Set static_chain_added when adding static
6176 chain. Handle OMP_PARALLEL and OMP_SECTION.
6178 2006-09-25 Matthias Klose <doko@debian.org>
6180 * doc/invoke.texi: Add missing full stop.
6182 2006-09-25 Richard Henderson <rth@redhat.com>
6184 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6185 before cgraph_function_flags_ready.
6187 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6188 Adam Nemet <anemet@caviumnetworks.com>
6190 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6191 determine_common_wider_type): New functions.
6192 (get_computation_aff): Use them to simplify arithmetic between
6193 UBASE and CBASE if they are shortened from the same type.
6195 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6198 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6199 -2147483647 - 1 instead of 0x80000000.
6201 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6203 * flags.h (HONOR_NANS): Fix typo in comment.
6205 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6207 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6209 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6213 * tree.c (merge_attributes, attribute_list_contained): If both
6214 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6216 * c-typeck.c (comptypes_internal): Don't consider aggregates
6217 in different TUs as compatible if there one set of attributes is
6218 not a subset of the other type's attributes.
6219 (composite_type): Try harder not to create a new aggregate type.
6221 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6223 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6224 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6225 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6226 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6227 than replicating condition above.
6228 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6230 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6231 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6232 the linker by default.
6234 2006-09-22 Mike Stump <mrs@apple.com>
6236 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6239 2006-09-22 Richard Guenther <rguenther@suse.de>
6242 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6243 sort of stack variables stable.
6245 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6248 * explow.c (force_reg): Set REG_POINTER flag according to
6251 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6253 PR tree-optimization/28888
6254 * tree-if-conv.c (combine_blocks): Rewritten.
6255 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6256 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6258 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6260 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6263 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6265 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6267 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6269 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6271 2006-09-21 Roger Sayle <roger@eyesopen.com>
6274 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6275 dw_fde_current_label, to be the start of the function, i.e. the same
6276 value as dw_fde_begin.
6278 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6280 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6281 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6282 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6283 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6284 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6285 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6286 (abs<mode>2, neg<mode>2): Likewise.
6287 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6288 (*mips_abs_ps): New define_insn.
6290 2006-09-20 Josh Conner <jconner@apple.com>
6293 * calls.c (expand_call): Allow reuse of structure return stack
6296 2006-09-20 Paul Brook <paul@codesourcery.com>
6298 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6301 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6303 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6304 clean up terminology.
6306 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6309 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6310 with tablejumps in them.
6312 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6315 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6316 wrap it into TARGET_EXPR.
6318 2006-09-20 Eric Christopher <echristo@apple.com>
6320 * config/i386/i386.c (x86_fisttp): Remove.
6321 * config/i386/i386.h (x86_fisttp): Ditto.
6322 (TARGET_FISTTP): Ditto.
6324 2006-09-19 Eric Christopher <echristo@apple.com>
6326 * doc/tm.texi (OBJC_JBLEN): Describe.
6327 * config/i386/darwin.h (OBJC_JBLEN): Define.
6328 * config/rs6000/darwin.h: Ditto.
6330 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6332 PR rtl-optimization/21299
6333 * reload1.c (reload): Purge invalid ASMs in the final pass.
6335 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6338 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6339 pointers as legitimate constants.
6341 2006-09-19 Paul Brook <paul@codesourcery.com>
6344 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6346 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6348 PR tree-optimization/28887
6349 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6350 component parts from the reference.
6351 (gather_memory_references_ref): Record the reference without the
6352 nonaddressable component parts.
6354 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6357 * c-opts.c (c_common_handle_option): Ignore the -std options
6358 if the input language is assembly.
6360 2006-09-17 Ira Rosen <irar@il.ibm.com>
6363 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6365 (ptr_ptr_may_alias_p): Likewise.
6366 (record_record_differ_p): New function.
6367 (base_object_differ_p): Call record_record_differ_p.
6369 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6372 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6373 away for the expr argument.
6375 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6378 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6379 before using it for dumping after vectorizing loops.
6381 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6382 Jack Howarth <howarth@bromo.med.uc.edu>
6385 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6386 skip on error_mark_node.
6387 (rs6000_darwin64_record_arg_recurse): Likewise.
6389 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6391 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6392 * doc/rtl.texi: Remove related documentation.
6394 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6396 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6399 2006-09-15 Jim Wilson <wilson@specifix.com>
6401 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6402 Handle symbol offsets same as they are handled in ia64_expand_move
6405 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6407 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6408 Add forgotten parameter to the fprintf call.
6410 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6412 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6414 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6416 * doc/contrib.texi: Add my entry.
6418 2006-09-15 Nick Clifton <nickc@redhat.com>
6420 * doc/md.texi (Processor pipeline description): Fix typo in
6421 example of how to use the absence_set directive and reword the
6422 description to make it slightly easier to read.
6424 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6426 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6427 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6428 expanding the number of iterations.
6429 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6431 * cfgrtl.c (emit_insn_at_entry): New function.
6432 * rtl.h (emit_insn_at_entry): Declare it.
6433 * integrate.c (emit_initial_value_sets): Use it.
6435 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6437 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6439 (struct loop_work and related VEC declarations): Delete.
6440 (bfin_dump_loops): Print out new member bad.
6441 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6442 (bfin_scan_loop): Don't recurse.
6443 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6444 loops. No longer need to update outer loops if the current one is
6445 found bad. Move some validitiy checks to bfin_discover_loop.
6446 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6447 but changed not to check for nesting. Also changed to use the new bad
6449 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6450 time. Use bitmap based test to discover loop nesting.
6452 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6454 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6457 2006-09-14 Richard Guenther <rguenther@suse.de>
6458 Kazu Hirata <kazu@codesourcery.com>
6460 PR middle-end/28884.
6461 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6462 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6463 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6464 with TARGET_FUNCTION_VALUE.
6466 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6469 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6471 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6473 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6476 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6479 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6482 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6484 * basic_block.h (bb_has_eh_pred): Fix comment.
6486 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6488 * flow.c (calculate_global_regs_live): Invalidate eh registers
6489 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6490 (propagate_block): Handle eh registers as if they were set at basic
6492 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6494 * global.c (global_conflicts): Make eh registers to conflict with
6495 pseudos live at basic block begin.
6496 * basic_block.h (bb_has_eh_pred): New function.
6498 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6500 PR rtl-optimization/28982
6501 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6502 index of a PRE_MODIFY or POST_MODIFY address.
6503 * reload1.c (inc_for_reload): Use find_replacement on the original
6504 base and index registers.
6506 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6508 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6509 for -Os. Update __m128 alignment requirement.
6511 2006-09-13 Jan Hubicka <jh@suse.cz>
6513 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6515 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6517 PR rtl-optimization/28243
6518 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6519 the insn to which the note was originally attached.
6521 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6522 Roger Sayle <roger@eyesopen.com>
6524 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6525 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6526 on platforms that don't use dwarf for debug info.
6528 2006-09-12 Jason Merrill <jason@redhat.com>
6531 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6532 hard_frame_pointer_rtx after using it to update the frame pointer.
6534 2006-09-12 Roger Sayle <roger@eyesopen.com>
6536 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6537 (TARGET_ASM_CLOSE_PAREN): Likewise.
6538 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6539 (TARGET_ASM_CLOSE_PAREN): Likewise.
6541 2006-09-12 Roger Sayle <roger@eyesopen.com>
6544 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6545 frame information for frames larger than 512 Kbytes on Tru64 when
6546 using the native assembler.
6548 2006-09-12 Roger Sayle <roger@eyesopen.com>
6552 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6553 and symbols. Instead use the implementation from cse.c's hash_rtx.
6555 2006-09-12 Jan Hubicka <jh@suse.cz>
6557 PR rtl-optimization/28071
6558 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6559 (vect_transform_loop): Likewise.
6560 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6561 (new_loop_vec_info): Likewise.
6562 (destroy_loop_vec_info): Likewise.
6563 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6564 (create_stmt_ann): Likewise.
6565 (create_tree_ann): Rename to ...
6566 (create_tree_common_ann): ... this one; allocate only the common part
6568 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6569 (get_value_handle): Likewise.
6570 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6571 get_tree_common_ann.
6572 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6573 (vinfo_for_stmt): Use stmt annotations.
6574 * tree-flow.h (tree_ann_common_t): New type.
6575 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6576 (tree_ann, get_tree_ann, create_tree_ann): New.
6577 * tree-flow-inline.h (get_function_ann): Do more type checking.
6578 (stmt_ann): Likewise.
6579 (tree_ann): Rename to ...
6580 (tree_common_ann): ... this one; return ony common_ann
6581 (get_tree_ann): Rename to ...
6582 (tree_common_ann): This one; return only common_ann.
6583 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6586 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6588 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6589 with_cpu by default.
6591 * dwarf2out.c (dwarf_file_data): New.
6592 (enum dw_val_class): Add dw_val_class_file.
6593 (struct dw_val_struct): Add val_file.
6594 (file_table): Change to a hash table.
6595 (file_table_emitted): Delete.
6596 (file_table_last_lookup_index): Delete.
6597 (emitcount): Delete.
6598 (last_emitted_file): New.
6599 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6600 (init_file_table): Delete.
6601 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6602 (AT_addr): Add comment.
6606 (print_die): Handle dw_val_class_file.
6607 (print_dwarf_line_table): Update for new file table structure.
6608 (attr_checksum): Do checksum a filename.
6609 (same_dw_val_p, same_attr_p): Do compare a filename.
6610 (size_of_die): Handle dw_val_class_file.
6611 (value_format): Likewise.
6612 (output_die): Likewise. Also, call maybe_emit_file here.
6613 (struct file_info): Constify filenames. Make file_idx a pointer
6614 to a struct dwarf_file_data.
6615 (struct dir_info): Constify directory names. Remove 'used' field.
6616 (struct file_name_acquire_data): New.
6617 (file_name_acquire): New.
6618 (output_file_names): Modify to handle new file data structures.
6619 (add_src_coords_attributes): Use add_AT_file.
6620 (add_call_src_coords_attributes): Likewise.
6621 (dwarf2out_imported_module_or_decl): Likewise.
6622 (gen_subprogram_die): Modify for new file data structures.
6623 (gen_variable_die): Likewise.
6624 (file_table_eq): New.
6625 (file_table_hash): New.
6626 (file_table_last_lookup): New.
6627 (lookup_filename): Rewrite to handle new file data structures.
6628 (maybe_emit_file): Rewrite to handle new file data structures.
6629 (dwarf2out_source_line): Always call lookup_filename and
6631 (dwarf2out_init): Create file_table here.
6632 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6633 (file_table_relative_p): New.
6634 (dwarf2out_finish): Change detection of relative filenames
6635 to work with new file data structures. Move output_line_info call
6636 after debug_info output.
6638 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6643 * config/i386/i386.c (override_options): Always default to 16
6644 byte stack boundary.
6646 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6649 * var-tracking.c (dump_dataflow_set): Start dumping at
6651 (clobber_variable_part): Kill only the variable part in
6652 registers holding it, leaving other variables alone.
6654 2006-09-11 Josh Triplett <josh@freedesktop.org>
6656 * doc/extend.texi (Other Builtins): Actually use the macro
6657 argument in the documentation example for
6658 __builtin_types_compatible_p.
6660 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6662 PR rtl-optimization/28726
6663 * sched-deps.c (sched_analyze_reg): New function extracted from...
6664 (sched_analyze_1): ...here. Call it to analyze references to
6665 registers. Treat again writes to a stack register as writing to the
6667 (sched_analyze_2): ...and here. Call it to analyze references to
6668 registers. Treat again reads of a stack register as reading the
6671 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6672 David Edelsohn <edelsohn@gnu.org>
6675 * config/rs6000/spe.md (frob_df_di): Remove %H.
6676 (frob_di_df): Remove %H. Change evmergelo to mr.
6677 (frob_di_df_2): Remove %H. Change evldd to two loads.
6679 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6681 * doc/cpp.texi: Fix names of charset options.
6683 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6686 * config/i386/i386.c (override_options): Use 128-bit
6687 stack boundary always for 64bits.
6689 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6691 PR rtl-optimization/28636
6692 * combine.c (force_to_mode): Test for side-effects before
6693 substituting by zero.
6694 (simplify_shift_const): Likewise for zero or other constants.
6696 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6699 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6702 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6705 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6706 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6707 returned by mode_for_size, rather than the mode of src itself,
6708 to choose between 32-bit and 64-bit patterns.
6709 (mips_mem_fits_mode_p): New function.
6710 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6711 that the size of the source matches the size of the destination.
6712 (mov_<store>l, mov_<store>r): Likewise.
6714 2006-09-10 Eric Christopher <echristo@apple.com>
6716 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6719 2006-09-09 Eric Christopher <echristo@apple.com>
6722 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6725 2006-09-09 Roger Sayle <roger@eyesopen.com>
6726 Nicolas Setton <setton@adacore.com>
6728 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6730 2006-09-10 Andreas Schwab <schwab@suse.de>
6732 * config/m68k/m68k.md (bungt_rev): New pattern.
6734 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6735 Dale Johannesen <dalej@apple.com>
6738 * regclass.c (struct reg_pref): Update documentation.
6739 (regclass): Set prefclass to NO_REGS if memory is the best option.
6740 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6742 2006-09-08 Eric Christopher <echristo@apple.com>
6744 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6745 * config/t-slibgcc-darwin: Support x86_64 multilib.
6746 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6747 Return 1 for x86_64-darwin.
6748 * config/i386/t-darwin: Add m64 multilib.
6749 (LIB2_SIDITI_CONV_FUNCS): Use.
6750 (LIB2FUNCS_EXTRA): Ditto.
6751 * config/i386/darwin.h: Support x86_64.
6752 * config/i386/i386.c (override_options): Turn on flag_pic
6753 for x86_64-darwin. Disable flag_omit_pointer.
6754 (get_pc_thunk_name): Assert !TARGET_64BIT.
6755 (legitimate_address_p): Disable machopic addressing for
6757 (legitimize_pic_address): Ditto.
6758 (ix86_expand_move): Ditto.
6759 (ix86_expand_call): Ditto.
6760 (machopic_output_stub): Ditto.
6761 * config/darwin.c (machopic_select_section): Support literal16.
6762 (machopic_select_rtx_section): Ditto.
6763 * config/darwin-sections.def: Ditto.
6764 * config/darwin-64.c: New.
6766 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6769 * c-tree.h (struct c_arg_info): Add pending_sizes.
6770 * c-parser.c (c_parser_parms_declarator,
6771 c_parser_parms_list_declarator): Initialize pending_sizes.
6772 * c-decl.c (get_parm_info): Initialize pending_sizes.
6773 (get_parm_info): Set pending_sizes.
6774 (grokdeclarator): Call put_pending_sizes for parameters for
6775 function definition only.
6777 2006-09-07 Jason Merrill <jason@redhat.com>
6780 * varasm.c (output_constant): Only strip actual no-op conversions.
6783 * config/i386/i386.c (override_options): Use 128-bit
6784 stack boundary if -msse.
6786 2006-09-07 Eric Christopher <echristo@apple.com>
6788 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6790 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6793 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6795 * dwarf2out.c: Remove strange characters from comment above
6796 dwarf2out_frame_debug_expr.
6798 2006-09-07 Eric Christopher <echristo@apple.com>
6800 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6801 * config/darwin.h: ... to here.
6803 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6805 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6807 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6808 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6810 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6811 TARGET_PARTIAL_FLAG_REG_STALL.
6812 (*ashldi3_cconly_rex64): Likewise.
6813 (*ashlsi3_cmp): Likewise.
6814 (*ashlsi3_cconly): Likewise.
6815 (*ashlsi3_cmp_zext): Likewise.
6816 (*ashlhi3_cmp): Likewise.
6817 (*ashlhi3_cconly): Likewise.
6818 (*ashlqi3_cmp): Likewise.
6819 (*ashlqi3_cconly): Likewise.
6820 (*ashrdi3_cmp_rex64): Likewise.
6821 (*ashrdi3_cconly_rex64): Likewise.
6822 (*ashrsi3_cmp): Likewise.
6823 (*ashrsi3_cconly): Likewise.
6824 (*ashrsi3_cmp_zext): Likewise.
6825 (*ashrhi3_cmp): Likewise.
6826 (*ashrhi3_cconly): Likewise.
6827 (*ashrqi3_cmp): Likewise.
6828 (*ashrqi3_cconly): Likewise.
6829 (*lshrdi3_cmp_rex64): Likewise.
6830 (*lshrdi3_cconly_rex64): Likewise.
6831 (*lshrsi3_cmp): Likewise.
6832 (*lshrsi3_cconly): Likewise.
6833 (*lshrsi3_cmp_zext): Likewise.
6834 (*lshrhi3_cmp): Likewise.
6835 (*lshrhi3_cconly): Likewise.
6836 (*lshrqi2_cmp): Likewise.
6837 (*lshrqi2_cconly): Likewise.
6839 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6842 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6843 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6844 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6845 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6846 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6847 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6848 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6849 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6850 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6851 implement only CC setting effects of shift instructions.
6853 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6855 * doc/contrib.texi: Add myself.
6857 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6860 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6861 was set by the user.
6863 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6866 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6867 (divsi_inv_m1): Use them.
6868 (UNSPEC_DIV_INV_TABLE): New constant.
6870 2006-09-06 James E Wilson <wilson@specifix.com>
6873 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6874 then call count_or_remove_death_notes.
6876 2006-09-06 Jason Merrill <jason@redhat.com>
6879 * tree-inline.c (copy_result_decl_to_var): New fn.
6880 (declare_return_variable): Use it. Call declare_inline_vars here.
6881 (expand_call_inline): Not here.
6883 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6885 * doc/contrib.texi: Update my entry.
6887 2006-09-06 Nick Clifton <nickc@redhat.com>
6889 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6891 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6894 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6895 (canonicalize_induction_variables): Likewise.
6896 (tree_unroll_loops_completely): Likewise.
6897 (tree_ssa_prefetch_arrays): Likewise.
6898 (remove_empty_loops): Likewise.
6899 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6900 TODO_cleanup_cfg instead of directly calling
6901 cleanup_tree_cfg_loop.
6902 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6904 (tree_unroll_loops_completely): Likewise.
6905 (remove_empty_loops): Likewise.
6906 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6907 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6908 of tree_ssa_unswitch_loops.
6909 (tree_ssa_loop_ivcanon): Use the return value of
6910 canonicalize_induction_variables.
6911 (tree_ssa_empty_loop): Use the return value of
6913 (tree_complete_unroll): Use the return value of
6914 tree_unroll_loops_completely.
6915 (tree_ssa_loop_prefetch): Use the return value of
6916 tree_ssa_prefetch_arrays.
6917 * passes.c (execute_todo): Before Cleanup CFG, set
6918 updating_used_alone and after cleanup CFG, call
6919 recalculate_used_alone.
6921 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6924 * tree-vect-transform.c (vectorizable_condition): Move the check
6925 for the type after the check for simple condition.
6927 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6928 Kaz Kojima <kkojima@gcc.gnu.org>
6931 * mode-switching.c (optimize_mode_switching): Make the destination
6932 block of an abnormal edge have no anticipatable mode. Don't
6933 insert mode switching code at the end of the source block of
6936 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6938 PR rtl-optimization/26847
6939 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6940 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6941 (simplify_plus_minus): Count n_constants while filling ops. Replace
6942 qsort with insertion sort. Before going through the array to simplify
6943 pairs, sort it. Delay early exit until after the first sort, exiting
6944 only if no swaps occurred. Simplify pairs in reversed order, without
6945 special-casing the first iteration. Pack ops after simplifying pairs.
6947 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6949 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6950 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6951 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6952 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6954 2006-09-05 Richard Guenther <rguenther@suse.de>
6956 PR tree-optimization/28900
6957 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6958 compound conditional before creating COND_EXPR condition.
6960 2006-09-05 Richard Guenther <rguenther@suse.de>
6962 PR tree-optimization/28905
6963 * tree-vrp.c (fix_equivalence_set): Manually implement
6964 !value_ranges_intersect_p to also handle symbolic ranges.
6966 2006-09-05 Richard Guenther <rguenther@suse.de>
6969 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6972 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6974 PR rtl-optimization/27616
6975 * cse.c (table_size): New static variable.
6976 (new_basic_block): Initialize it to 0.
6977 (remove_from_table): Decrement it.
6978 (insert): Increment it.
6979 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6980 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6981 fold_rtx_mem_1 if under the cap.
6982 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6983 the lookup of the equivalent expression and test for equality of the
6984 first operand of the equivalent expression before in turn looking up
6985 an equivalent constant for the second operand.
6987 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6990 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6991 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6992 pointer, instead of assuming it is possible to derive the
6993 correct args size from a call insn.
6995 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6998 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6999 (fold_builtin_mempcpy): Rename to...
7000 (fold_builtin_memory_op): ... this. Optimize one element copy
7002 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7004 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7005 (expand_builtin_memcpy, expand_builtin_mempcpy,
7006 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7007 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7008 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7009 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7011 2006-09-01 DJ Delorie <dj@redhat.com>
7013 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7014 (stzx_16): Likewise.
7015 ("stzx_24_<mode>"): Likewise.
7016 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7017 ("cmp<mode>_op"): New.
7018 (cmp<mode>): Change to expander; just save operands.
7020 (b<code>): Change to expander, emit compare here.
7021 (s<code>_op): Change to use split and expander.
7022 (s<code>_24_op): Likewise.
7023 (s<code>_<mode>): New.
7024 (s<code>_<mode>_24): New.
7025 (movqicc_<code>_<mode): New.
7026 (movhicc_<code>_<mode>): New.
7029 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7030 (m32c_pend_compare): New.
7031 (m32c_unpend_compare): New.
7032 (m32c_expand_scc): New.
7033 (m32c_expand_movcc): Emit the compare also.
7034 * config/m32c/predicates.md (mra_nopp_operand): New.
7036 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7037 Richard Guenther <rguenther@suse.de>
7038 Adam Nemet <anemet@caviumnetworks.com>
7041 * builtins.c (get_pointer_alignment): Handle more forms
7042 of base addresses that can be used to derive more precise
7043 information about alignment.
7045 2006-09-01 Jason Merrill <jason@redhat.com>
7048 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7051 * gimplify.c (voidify_wrapper_expr): Handle null type.
7053 2006-09-01 Josh Conner <jconner@apple.com>
7056 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7057 (execute_return_slot_opt): Use it.
7059 2006-08-31 Josh Conner <jconner@apple.com>
7062 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7063 returning aggregates.
7065 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7067 PR tree-optimization/28839
7068 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7069 blocks in that phi arguments appear.
7071 2006-08-31 Roger Sayle <roger@eyesopen.com>
7074 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7075 NULL, otherwise use an advance_loc4 to adjust relative to the
7077 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7078 (dwarf2out_switch_text_section): Reset the current label to avoid
7079 using advance_loc4 over section boundaries.
7081 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7084 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7085 r12 + SYMBOLIC_CONST.
7087 2006-08-30 Richard Guenther <rguenther@suse.de>
7089 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7091 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7093 PR rtl-optimization/27735
7094 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7095 Add new argument to keep track of whether an irreducible region
7096 was affected. All callers changed.
7097 (fix_irreducible_loops): Removed.
7098 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7099 flags were invalidated.
7101 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7103 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7104 instead of SF operands.
7105 (*fop_df_comm_sse): Likewise.
7106 (*fop_df_comm_i387): Likewise.
7107 (*fop_df_1_mixed): Likewise.
7108 (*fop_df_1_sse): Likewise.
7110 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7111 J"orn Rennecke <joern.rennecke@st.com>
7113 PR tree-optimization/17506
7114 * tree-ssa.c (warn_uninit): If warning about a location outside of
7115 the current function, note where the variable was declared.
7117 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7119 PR tree-optimization/28411
7120 * double-int.c (double_int_div): Use double_int_divmod.
7121 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7122 double_int_mod, double_int_smod, double_int_umod): New functions.
7123 * double-int.h (double_int_divmod, double_int_sdivmod,
7124 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7126 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7128 (get_computation_aff, get_computation_cost_at): Handle double_int
7129 return type of constant_multiple_of.
7131 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7134 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7135 an implicit conversion.
7137 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7139 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7141 2006-08-27 Roger Sayle <roger@eyesopen.com>
7143 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7146 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7148 * config/i386/crtfastmath.c: Fix a comment typo.
7150 2006-08-26 Roger Sayle <roger@eyesopen.com>
7152 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7153 temporary visit flags on CASE_LABEL_EXPRs.
7154 * c-common.c (match_case_to_enum): Add function comment. Avoid
7155 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7156 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7157 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7158 a constant, only warn if that constant value isn't handled.
7160 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7163 * input.h (restore_input_file_stack): Declare.
7164 (INPUT_FILE_STACK_BITS): Define.
7165 * toplev.c (fs_p, input_file_stack_history,
7166 input_file_stack_restored, restore_input_file_stack): New.
7167 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7168 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7169 (pop_srcloc): Don't free old state of stack.
7171 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7174 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7175 (PowerPC Type Attributes): New.
7177 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7179 * config/xtensa/xtensa.c (function_arg_boundary): New.
7180 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7182 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7183 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7185 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7188 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7191 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7193 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7194 (verify_local_live_at_start): Likewise.
7196 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7199 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7200 omp_add_variable): Treat sizes as variable whenever not
7203 2006-08-26 Richard Guenther <rguenther@suse.de>
7206 * fold-const.c (fold_binary): Fold temporary to correct
7207 type before constructing new comparison.
7209 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7212 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7213 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7215 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7218 * c-decl.c (start_function): Don't try to process prototype
7219 information from old declaration that isn't a function.
7221 2006-08-25 Jan Hubicka <jh@suse.cz>
7224 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7226 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7229 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7232 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7234 PR tree-optimization/16876
7235 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7236 exit if PARM doesn't match VALUE.
7238 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7240 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7241 literal_prefix directive.
7242 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7243 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7244 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7246 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7249 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7250 predicate to general_operand. Add 0->y and I->r alternatives.
7252 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7254 * doc/tm.texi: Fix a typo.
7255 * predict.c: Fix comment typos.
7257 2006-08-25 Nick Clifton <nickc@redhat.com>
7259 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7260 assertions of "cpu" and "machine".
7262 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7265 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7266 the access through a base which has an alias set of 0 cannot
7269 2006-08-24 Bill Wendling <wendling@apple.com>
7271 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7273 2006-08-24 Jan Hubicka <jh@suse.cz>
7275 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7277 2006-08-24 Jan Hubicka <jh@suse.cz>
7280 * cgraph.c: Fix comments.
7281 (cgraph_varpool_mark_needed_node): Mark only variables not already
7283 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7284 (cgraph_varpool_assembled_nodes_queue): New static variable.
7285 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7286 (cgraph_varpool_output_debug_info): New function.
7287 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7288 * Makefile.in: Add gt-cgraphunit.h
7290 2006-08-24 Jan Hubicka <jh@suse.cz>
7292 * predict.c (probability_reliable_p): New predicate.
7293 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7294 (predict_loops): Do not predict loop exit with less than 2%
7296 * basic-block.h (edge_probability_reliable_p,
7297 br_prob_note_reliable_p): Declare.
7298 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7299 prediction when static predictor is not reliable.
7300 * rs6000.c (output_cbranch): Likewise.
7302 2006-08-23 Stuart Hastings <stuart@apple.com>
7305 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7306 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7308 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7311 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7312 complex values, nor for generic vector values.
7314 2006-08-22 Richard Guenther <rguenther@suse.de>
7317 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7318 parameter. Convert arguments to arithmetic expression to the
7320 (analyze_scalar_evolution_1): Adjust caller.
7322 2006-08-22 Jan Hubicka <jh@suse.cz>
7324 Patch by Paolo Bonzini
7325 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7328 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7330 PR tree-optimization/28003
7331 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7332 before grouping aliases.
7334 2006-08-22 Roger Sayle <roger@eyesopen.com>
7336 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7337 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7339 2006-08-21 Jason Merrill <jason@redhat.com>
7342 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7343 wrapper. Loop to handle nested wrappers.
7344 (gimplify_bind_expr): Remove temp parameter.
7345 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7346 and STATEMENT_LIST on the rhs.
7347 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7348 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7349 (gimplify_target_expr): Remove special BIND_EXPR handling.
7351 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7353 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7356 2006-08-21 Olivier Hainque <hainque@adacore.com>
7358 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7359 Arrange for the temporary captures of components overlapping the lhs
7360 to happen before the lhs is possibly cleared.
7362 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7364 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7365 necessary places to pass the correct "number of registers" values
7368 2006-08-20 Jan Hubicka <jh@suse.cz>
7370 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7371 (create_name_tags): Instead of quadratic checking use hashtable.
7372 * bitmap.h: Include hashtab.h.
7373 (bitmap_hash): Declare.
7374 * bitmap.c (bitmap_hash): New function.
7376 2006-08-20 Jan Hubicka <jh@suse.cz>
7378 PR rtl-optimization/28071
7379 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7381 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7382 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7383 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7384 cgraph_decide_inlining_incrementally): Update use of
7385 cgraph_check_inline_limits.
7386 * cgraph.c (edge_hash, edge_eq): New function.
7387 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7388 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7389 cgraph_remove_node): Maintain call site hash.
7390 * cgraph.h (struct cgraph_node): Add call_site_hash.
7391 (cgraph_set_call_stmt): New function.
7393 2006-08-20 Jan Hubicka <jh@suse.cz>
7395 PR rtl-optimization/28071
7396 * reload1.c (reg_has_output_reload): Turn into regset.
7397 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7398 choose_reload_regs, emit_reload_insns): Update to new
7399 reg_has_output_reload.
7401 2006-08-20 Jan Hubicka <jh@suse.cz>
7404 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7405 function body sizes.
7406 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7408 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7411 * tree.c (handle_dll_attribute): Return early if not a
7412 var or function decl.
7414 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7417 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7418 alignment of SPE vector types.
7420 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7422 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7424 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7427 * cgraph.h (struct cgraph_node): Remove externally_visible
7429 * cgraphunit.c (process_function_and_variable_attributes): Set
7430 local.externally_visible rather than externally_visible.
7433 * c-common.c (handle_externally_visible_attribute): First look
7434 at TREE_CODE and only if it is function or var decl, check for
7435 non-public objects. Don't warn for DECL_EXTERNAL.
7436 * cgraphunit.c (process_function_and_variable_attributes): Warn
7437 if externally_visible attribute is used on non-public object.
7439 2006-08-17 Jan Hubicka <jh@suse.cz>
7441 PR tree-optimization/27865
7442 * reload1.c (forget_marked_reloads): New function.
7443 (forget_old_reloads_1): When data are passed, just mark the registers
7445 (reload_as_needed): Use the new mechanizm.
7447 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7450 * reload.h (reg_equiv_alt_mem_list): New declaration.
7451 * reload1.c (reg_equiv_alt_mem_list): New definition.
7452 (reload): Initialize it and release it.
7453 (delete_output_reload): Use it.
7454 * reload.c (push_reg_equiv_alt_mem): New function.
7455 (find_reloads_toplev): Call it.
7456 (find_reloads_address, find_reloads_address_1): Likewise.
7457 (find_reloads_subreg_address): Likewise.
7459 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7461 PR rtl-optimization/28489
7462 * sched-ebb.c (begin_schedule_ready): Create basic block
7464 (advance_target_bb): Skip empty blocks.
7465 * haifa-sched.c (bb_note): Make global.
7466 * sched-int.h (bb_note): Add prototype.
7468 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7470 PR tree-optimization/27865
7471 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7473 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7474 fold_used_pointer, pointer_used_p): New functions.
7475 (analyze_scalar_evolution_1): Use fold_used_pointer.
7476 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7477 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7480 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7483 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7484 or the INTEGER_CST. Fail on a CALL_EXPR.
7485 (fold_offsetof): Pass new argument to fold_offsetof_1.
7486 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7487 operand into an INDIRECT_REF.
7488 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7490 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7492 PR gcov/profile/26570
7493 * value-prof.c (static_values): Removed.
7494 (tree_find_values_to_profile): Do not set static_values.
7495 (find_values_to_profile): Do not free static_values.
7496 * profile.c (instrument_values): Do not free the values.
7497 (branch_prob): Free the values.
7499 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7501 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7503 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7506 * c-typeck.c (build_component_ref): Combine qualifiers of
7507 structure or union and field.
7509 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7511 PR rtl-optimization/28071
7512 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7513 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7514 * tree-into-ssa.c (struct dom_dfsnum): New.
7515 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7517 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7518 compute_global_livein.
7519 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7520 in phi nodes in the correct blocks.
7522 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7524 PR tree-optimization/28364
7525 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7527 (fold_affine_expr): New function.
7528 (may_eliminate_iv): Use fold_affine_expr.
7530 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7533 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7536 2006-08-16 Mike Stump <mrs@apple.com>
7538 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7539 * doc/cppopts.texi (-MD): Likewise.
7541 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7544 * c-common.c (handle_weak_attribute): Ignore and warn if
7545 not a FUNCTION_ or VAR_DECL.
7547 2006-07-15 Mike Stump <mrs@apple.com>
7550 * c-parser.c (c_parser_typeof_specifier): Don't use
7551 c_finish_expr_stmt, open code desired semantics instead.
7553 2006-08-15 Nick Clifton <nickc@redhat.com>
7555 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7556 fragment to tmake_file only if threads are enabled.
7557 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7558 * config/i386/t-gthr-win32: New file. ... here.
7560 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7563 * c-parser.c (c_parser_compound_statement_nostart): Reset
7564 parser->error after each statement.
7566 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7569 * omp-low.c (lower_omp_parallel): Convert t to
7570 receiver_decl's type.
7571 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7572 source before comparison.
7575 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7576 to itype in assignment to oldival2.
7578 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7582 * c-typeck.c (build_compound_expr): If the second expression
7583 is an error mark, then just return an error mark instead of
7584 creating a COMPOUND_EXPR.
7586 2006-07-14 Mike Stump <mrs@apple.com>
7588 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7590 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7592 * c-decl.c, var-tracking.c: Fix comment typos.
7594 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7596 PR rtl-optimization/28634
7597 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7598 for floating-point modes unless flag_unsafe_math_optimizations.
7600 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7601 Andrew Pinski <pinskia@physics.uc.edu>
7604 * tree.c (build_array_type): Unify array types with
7605 unspecified index_type.
7606 * c-decl.c (grokdeclarator): Make sure we do not modify a
7607 unified incomplete array type.
7608 * c-typeck.c (store_init_value): Create distinct type before
7609 filling in the index type in an initializer from a compound
7612 * c-decl.c (grokdeclarator): Remove code where we copy the
7615 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7617 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7618 into account for TODO_dump_cgraph.
7619 (TODO_update_ssa_no_phi): Likewise.
7620 (TODO_update_ssa_full_phi): Likewise.
7621 (TODO_update_ssa_only_virtuals): Likewise.
7622 (TODO_remove_unused_locals): Likewise.
7623 (TODO_set_props): Likewise.
7624 (TODO_update_stmt_usage): Likewise.
7626 2006-08-13 Dirk Mueller <dmueller@suse.de>
7628 * c-common.c (strict_aliasing_warning): Fix formatting.
7630 2006-08-13 Matthias Klose <doko@debian.org>
7632 * doc/invoke.texi: Fix spelling errors.
7634 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7636 PR rtl-optimization/23454
7637 * reorg.c (relax_delay_slots): Update comment.
7639 2006-08-11 Richard Guenther <rguenther@suse.de>
7642 * simplify-rtx.c (simplify_const_relational_operation):
7643 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7646 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7648 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7649 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7651 2006-08-10 Paul Brook <paul@codesourcery.com>
7653 * final.c (final_scan_insn): Clear current_insn_predicate before
7654 outputting inline asm.
7656 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7658 PR tree-optimization/26197
7659 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7660 get_ref_base_and_extent and overlap_subvar to add only relevant
7661 subvars as may-aliases.
7662 (add_may_alias_for_new_tag): New function, factored out of
7664 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7665 with additional argument.
7666 * tree-flow.h (new_type_alias): Takes additional argument.
7668 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7670 * gcov.c (no_data_file): New flag.
7671 (read_count_file): Set it if data file not present. Assume counts
7673 (output_lines): Don't name the data file, if there wasn't one.
7675 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7677 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7678 (rs6000_generate_compare): Tweak comments.
7679 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7681 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7683 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7684 (var_debug_decl): New function.
7685 (var_reg_set): Follow debug decl link. Add location even if
7686 reg is already known to hold some other variable.
7687 (var_mem_set): Follow debug decl link.
7688 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7689 decl link. Delete other known locations of the variable part
7691 (var_reg_delete, var_mem_delete): Delete other known locations
7692 of the variable part if requested.
7693 (same_variable_part_p): New function.
7694 (add_stores): Select MO_COPY when appropriate.
7695 (vt_initialize): Handle it.
7696 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7697 known locations for MO_SET and MO_CLOBBER.
7698 (find_variable_location_part): New function.
7699 (set_variable_part, delete_variable_part): Use it.
7700 (clobber_variable_part): New function.
7701 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7704 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7706 PR tree-optimization/26969
7707 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7708 with an empty list of PHIs.
7710 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7714 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7717 2006-08-06 Andreas Schwab <schwab@suse.de>
7719 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7720 string. Whitespace and comment fixup.
7722 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7725 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7729 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7732 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7734 2006-08-04 Jan Hubicka <jh@suse.cz>
7738 * reload.c (push_reload): Patch out the mismatching instruction;
7740 (find_reload): Bail out if the instruction was patched out.
7742 2006-08-04 Jan Hubicka <jh@suse.cz>
7744 PR tree-optimization/24888
7745 * tree-inline.c (expand_call_inline): Do not re-record variables.
7746 (declare_inline_vars): Add variable to unexpanded_var_list.
7748 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7749 Roger Sayle <roger@eyesopen.com>
7751 PR rtl-optimization/26244
7752 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7753 inner_const are negative or greater than or equal to the bitsize of
7754 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7755 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7756 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7757 CONST0_RTX (mode) when the new shift count is greater than or equal to
7758 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7761 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7763 * tree-cfg.c: Fix a comment typo.
7765 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7768 * varasm.c (output_constant): Give the front end another chance to
7769 expand constants, after stripping NOPs.
7771 2006-08-03 Jan Hubicka <jh@suse.cz>
7773 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7776 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7778 PR tree-optimization/27770
7779 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7780 declaration removed (moved to tree-flow.h).
7781 (vect_can_force_dr_alignment_p): Likewise.
7782 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7783 (moved from tree-vectorizer.h).
7784 (vect_can_force_dr_alignment_p): Likewise.
7785 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7786 from outside the vectorizer - in particular from cgraph stage.
7787 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7788 the alignment of global arrays when -fsection-anchors is enabled.
7789 * cgraphunit.c (cgraph_increase_alignment): New function.
7790 (cgraph_optimize): Call cgraph_increase_alignment.
7792 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7795 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7796 not reload a SPE symbol_ref into a lo_sum address.
7798 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7801 * dwarf2out.c (prune_unused_types_prune): Move call to
7802 prune_unused_types_update_strings to cover the parent DIE also.
7804 2006-08-02 Jan Hubicka <jh@suse.cz>
7806 PR gcov/profile/28480
7807 * tree-cfg.c (change_bb_for_stmt): New function.
7808 (tree_merge_blocks, tree_split_blocks): Use it.
7810 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7816 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7817 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7818 (cgraph_optimize): Likewise.
7820 2006-08-01 Stuart Hastings <stuart@apple.com>
7822 * rtl.h (UINTVAL) New.
7823 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7824 * testsuite/gcc.dg/20060801-1.c: New.
7826 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7829 * c-typeck.c (build_external_type): Mark used enum types.
7830 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7832 (gen_subprogram_die): Whitespace fix.
7834 2006-08-01 Jan Hubicka <jh@suse.cz>
7836 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7837 bitmap when not needed.
7838 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7841 2006-08-01 Dirk Mueller <dmueller@suse.de>
7843 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7845 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7847 * Makefile.in: Revert part of previous patch:
7848 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7851 2006-07-30 Eric Christopher <echristo@apple.com>
7854 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7855 (PowerPC Variable Attributes): New section.
7857 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7859 PR target/28126 (partial fix)
7860 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7862 2006-07-28 Jan Hubicka <jh@suse.cz>
7864 PR rtl-optimization/28071
7865 * cfgrtl.c (rtl_delete_block): Free regsets.
7866 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7868 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7870 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7871 and variables used in dependencies.
7873 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7875 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7876 %fs for -mcmodel=kernel.
7877 (stack_tls_protect_test_di): Likewise.
7879 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7881 * Makefile.in: Use mkinstalldirs.
7883 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7886 * opts-common.c (prune_options): Skip joined switches.
7888 2006-07-27 Jan Hubicka <jh@suse.cz>
7890 PR rtl-optimization/28071
7891 * cselib.c (cselib_process_insn): Don't remove useless values too
7892 often for very large hashtables.
7894 2006-07-27 Jan Hubicka <jh@suse.cz>
7896 PR rtl-optimization/28071
7897 * global.c (greg_obstack): New obstack.
7898 (allocate_bb_info): Use it.
7899 (free_bb_info): Likewise.
7900 (modify_reg_pav): Likewise.
7902 2006-07-27 Roger Sayle <roger@eyesopen.com>
7904 * builtins.c (fold_fixed_mathfn): When long and long long are the
7905 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7906 functions to their lceil*, lfloor*, lround* and lrint* forms.
7908 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7911 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7913 (rev_branch_insn): Likewise.
7915 2006-07-27 Jan Hubicka <jh@suse.cz>
7917 PR rtl-optimization/28071
7918 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7919 (reg_set_in_bb, max_reg_computed): New static variables.
7920 (regmove_optimize): Free the new array.
7921 (fixup_match_1): Update call of reg_is_remote_constant_p.
7923 2006-07-26 Jan Hubicka <jh@suse.cz>
7925 PR tree-optimization/27882
7926 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7928 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7930 (cgraph_analyze_compilation_unit): Likewise.
7931 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7932 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7933 (cgraph_early_inlinine): Make order garbage collected.
7934 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7936 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7938 * dbxout.c (output_types_sort): Add a comment.
7939 (output_used_types): Free the VEC.
7941 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7943 * function.c (reorder_fix_fragments): Delete.
7944 (reorder_blocks): Don't call it.
7945 (reorder_blocks_1): Put all subblocks under the origin block.
7947 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7949 PR rtl-optimization/27907
7950 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7953 2006-07-25 Roger Sayle <roger@eyesopen.com>
7956 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7957 bar(x) check that bar's result type can represent all the values of T.
7959 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7961 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7963 2006-07-25 Nick Clifton <nickc@redhat.com>
7965 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7966 size_lookup[] array.
7967 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7968 (ggc_pch_count_object): Likewise.
7969 (ggc_pch_alloc_object): Likewise.
7970 (ggc_pch_write_object): Likewise.
7971 (init_ggc): Do not attempt to initialize entries in the
7972 size_lookup[] array for objects whose size is greater than than
7973 the length of the array.
7975 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7977 * dbxout.c (output_used_types_helper): Push queued types
7979 (output_types_sort): New.
7980 (output_used_types): Collect used types on a VEC and sort them
7983 2006-07-24 Richard Guenther <rguenther@suse.de>
7986 * cgraph.c (cgraph_remove_node): Do not check if dumps
7988 * cgraphunit.c (cgraph_optimize): Likewise.
7990 2006-07-24 Jan Hubicka <jh@suse.cz>
7992 PR rtl-optimization/28071
7993 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7994 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7995 splitting before first stmt.
7997 2006-07-24 Jan Hubicka <jh@suse.cz>
7999 PR rtl-optimization/28071
8000 * ipa-inline.c (update_caller_keys): Remove edges that
8001 are no longer inline candidates.
8003 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8006 * dbxout.c (output_used_types_helper, output_used_types): New.
8007 (dbxout_symbol): Call output_used_types.
8009 2006-07-23 Jan Hubicka <jh@suse.cz>
8013 * cgraph.c (cgraph_varpool_nodes): Export.
8014 (decide_is_variable_needed): Ignored "used" attribute in
8015 unit-at-a-time mode.
8016 * cgraph.h (cgraph_varpool_nodes): Declare.
8017 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8018 unit-at-a-time mode.
8020 2006-07-23 Roger Sayle <roger@eyesopen.com>
8023 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8024 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8025 the __gthrw form of thr_keycreate.
8026 (__gthread_key_delete): Silence the unused argument warning.
8028 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8031 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8032 Cache the last found '\0' marker to avoid quadratic behavior.
8034 2006-07-23 Jan Hubicka <jh@suse.cz>
8036 * i386.md (subsi_3_zext): Fix output template.
8038 2006-07-21 Mike Stump <mrs@apple.com>
8040 * doc/invoke.texi (C++ Dialect Options): Note that
8041 -fvisibility-inlines-hidden doesn't affect explicitly
8042 instantiationed inline methods.
8044 2006-07-20 Roger Sayle <roger@eyesopen.com>
8046 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8047 if the target assembler is GNU binutils' gas.
8048 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8049 whether to pass GNU gas or native as command line options.
8051 2006-07-20 Jason Merrill <jason@redhat.com>
8053 * tree.c (remove_attribute): New fn.
8054 * tree.h: Declare it.
8056 2006-07-20 Paul Brook <paul@codesourcery.com>
8059 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8060 they are invalidated by this instruction.
8062 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8065 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8067 2006-07-20 Eric Christopher <echristo@apple.com>
8070 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8072 2006-07-19 Eric Christopher <echristo@apple.com>
8074 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8075 Rewrite dependencies for libgcc_s.1.dylib.
8077 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8079 * except.c (duplicate_eh_regions_1): Clear next_peer.
8081 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8083 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8084 -mlongcall does not guarantee all calls will be long.
8085 * doc/extend.texi (long_call/short_call): Document that longcall
8086 does not guarantee a long call will be used.
8087 (longcall/shortcall): Likewise.
8089 2006-07-18 Roger Sayle <roger@eyesopen.com>
8092 * expmed.c (expand_shift): Additionally check that the shift_cost
8093 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8094 before implementing a LSHIFT_EXPR as a sequence of additions.
8095 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8096 middle-end that DImode shifts need to be synthesized by expand.
8098 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8101 * tree-ssa-operands.c (access_can_touch_variable): Update
8103 Return true if ALIAS is .GLOBAL_VAR.
8105 2006-07-18 David Daney <ddaney@avtrex.com>
8107 * gcc.c (display_help): Fix typo in help text.
8109 2006-07-18 Olivier Hainque <hainque@adacore.com>
8111 * tree.h (categorize_ctor_elements): Adjust prototype and add
8112 descriptive comment, both in accordance with the interface change
8114 * varasm.c (constructor_static_from_elts_p): New function.
8115 Whether a constructor node is a valid static constant initializer
8116 if all its elements are.
8117 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8118 * output.h: Declare it.
8119 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8120 is a valid constant initializer instead of computing the number of
8121 non-constant elements. Use constructor_static_from_elts_p for this
8122 purpose. Replace the head comment with an indication that this is a
8123 helper for categorize_ctor_elements.
8124 (categorize_ctor_elements): Same interface change as for the _1
8125 helper. Former head comment from this helper moved here, adjusted to
8126 account for the interface changes.
8127 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8128 (all_zeros_p): Likewise.
8129 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8130 static versions of the constructor from the categorize_ctor_elements
8131 return value instead of the formerly computed number of non-constant
8134 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8136 * configure: Regenerate.
8137 * Makefile.in (build_libsubdir): New configure substitution
8138 (build_libobjdir): New variable.
8139 (BUILD_LIBIBERTY): Use it.
8141 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8144 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8146 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8149 * c-common.c (handle_weakref_attribute): Ignore attribute in
8150 the same conditions the alias attribute is ignored.
8152 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8154 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8155 (dbxout_begin_prologue): Increment scope_labelno.
8157 2006-07-17 Richard Henderson <rth@redhat.com>
8160 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8163 2006-07-17 Roger Sayle <roger@eyesopen.com>
8164 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8166 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8167 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8168 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8169 functions such as sbrk, write, etc.. Add function prototypes.
8170 Convert function declarations from K&R to ISO C. Cast pointers
8171 to "long" and "unsigned long" instead of "int" and "unsigned int".
8172 Convert tokens following #endif into comments.
8174 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8176 * invoke.texi: Remove mention of f77; Reformat table for
8177 inline parameter options correctly; mention that -malign-double
8178 is default on x86-64 targets.
8180 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8182 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8183 (convert_affine_scev, chrec_convert_aggressive): Use
8184 avoid_arithmetics_in_type_p. Do not check for the subtypes
8187 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8190 * optabs.c (expand_doubleword_shift): Wrap the call to
8191 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8193 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8196 * optabs.c (expand_binop): Pass next_methods rather than methods
8197 to expand_doubleword_shift.
8199 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8202 * tree.h (dump_addr): Declare.
8203 * print-tree.c (dump_addr): New function.
8204 (print_node_brief, print_node): Use it.
8205 * print-rtl.c (print_rtx): Likewise.
8206 * common.opt (-fdump-noaddr): New option.
8207 * doc/invoke.texi (-fdump-noaddr): Document.
8208 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8209 (ve_info_hash): Likewise.
8211 2006-07-13 Andrew Haley <aph@redhat.com>
8213 PR tree-optimization/19505
8214 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8215 edge leaving this block, make sure that the destination of this
8216 block has only one predecessor.
8218 2006-07-17 Richard Guenther <rguenther@suse.de>
8220 PR tree-optimization/28238
8221 * tree-inline.c (copy_bb): Check if we produced valid
8222 gimple copying and substituting a stmt. If not, gimplify
8225 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8227 * optabs.c (maybe_encapsulate_block): New function extracted from...
8228 (emit_libcall_block): ...here. Invoke it on the block of insns to
8229 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8230 (emit_no_conflict_block): Likewise.
8232 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8234 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8236 2006-07-15 Roger Sayle <roger@eyesopen.com>
8238 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8239 a new NOP_EXPR case of the switch statement.
8241 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8244 * stor-layout.c (place_field): Take the bit field with
8245 an excessive size into account in the ms-bitfiled case.
8248 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8249 the previous bit field.
8251 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8254 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8256 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8258 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8259 signal frames correctly even when the signal was installed with
8262 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8264 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8265 (dbxout_function_end): Use local label LFBB. Remove hook
8267 (dbxout_source_line): Use local label LFBB.
8268 (dbxout_block): Likewise.
8269 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8270 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8271 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8272 and DBX_OUTPUT_NFUN.
8274 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8276 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8278 2006-07-13 Jan Hubicka <jh@suse.cz>
8280 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8282 * output.h (align_variable): Declare.
8283 * varasm.c (align_variable): Export.
8284 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8285 when basic block changed.
8287 2006-07-13 Nick Clifton <nickc@redhat.com>
8289 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8290 walking the LOG_LINKS chain.
8292 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8294 * doc/invoke.texi (C++ Dialect Options): Explain difference
8295 between -fvisibility-inlines-hidden and setting hidden
8296 visibility explicitly.
8298 2006-07-12 Eric Christopher <echristo@apple.com>
8300 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8301 (stmp-lipo): Depend on libgcc.a.
8303 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8305 * tree.c: Fix a comment typo.
8307 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8309 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8311 (umulhisi3_r): Likewise.
8313 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8316 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8317 x < 19, vs wchar_t support.
8319 2006-07-12 Nick Clifton <nickc@redhat.com>
8321 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8322 instead of -isa=sh4.
8324 2006-07-12 Mike Stump <mrs@apple.com>
8326 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8328 2006-07-10 Eric Christopher <echristo@apple.com>
8330 * config/t-slibgcc-darwin: Rewrite.
8332 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8335 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8338 2006-07-08 Matthias Klose <doko@debian.org>
8340 * doc/sourcebuild.texi: Fix typo.
8342 2006-07-07 Mike Stump <mrs@apple.com>
8344 * toplev.c (process_options): Don't give -ffunction-sections may
8345 affect debugging warning for Mach-O.
8347 2006-07-07 James E Wilson <wilson@specifix.com>
8349 * config/mips/mips.md (cpu): Add sb1a.
8350 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8351 addition to sb1. Adjust comments to clarify SB-1A differences from
8353 (ir_sb1a_load): New. Modify bypasses to use it.
8354 (ir_sb1a_simple_alu): Likewise.
8355 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8356 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8357 (mips_issue_rate): Add PROCESSOR_SB1A.
8358 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8359 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8360 (TARGET_SB1): Add PROCESSOR_SB1A check.
8361 (TUNE_SB1): Likewise.
8363 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8364 * config/mips/mips.c (mips_store_data_bypass_p): New.
8365 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8366 store_data_bypass_p.
8368 2006-07-08 Paul Brook <paul@codesourcery.com>
8371 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8373 2006-07-07 Richard Guenther <rguenther@suse.de>
8376 * tree.h (build_one_cst): Declare.
8377 * tree.c (build_one_cst): New function.
8378 * tree-ssa-math-opts.c (get_constant_one): Remove.
8379 (insert_reciprocals): Use build_one_cst.
8380 * fold-const.c (fold_plusminus_mult): Likewise.
8382 2006-07-07 Roger Sayle <roger@eyesopen.com>
8384 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8385 * cfgloopanal.c (dump_graph): Likewise.
8386 * dojump.c (discard_pending_stack_adjust): Likewise.
8387 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8389 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8390 * function.c (finalize_block_changes): Likewise.
8391 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8392 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8393 * rtl.c (dump_rtx_statistics): Likewise.
8394 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8396 * varray.c (dump_varray_statistics): Likewise.
8397 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8398 decode_decimal64, encode_decimal128, decode_decimal128,
8399 decimal_real_to_decimal): Likewise.
8401 2006-07-07 Richard Guenther <rguenther@suse.de>
8403 PR tree-optimization/28187
8404 * tree-vrp.c (vrp_operand_equal_p): New function.
8405 (vrp_bitmap_equal_p): Likewise.
8406 (update_value_range): Use them to compare old and new
8409 2006-07-06 Roger Sayle <roger@eyesopen.com>
8411 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8412 a default case to switch statement to silence compiler warnings.
8414 2006-07-06 Roger Sayle <roger@eyesopen.com>
8417 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8418 the configured assembler supports the x87's ffreep mnemonic.
8419 * configure: Regenerate.
8420 * config.in: Regenerate.
8422 * config/i386/i386.c (output_387_ffreep): New function.
8423 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8424 (output_387_reg_move): Likewise.
8426 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8428 Port to hosts whose 'sort' and 'tail' implementations
8429 treat operands with leading '+' as file names, as POSIX
8430 has required since 2001. However, make sure the code still
8431 works on pre-POSIX hosts.
8432 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8433 which says you should use "tail -c +N" rather than "tail +Nc".
8434 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8436 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8438 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8441 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8444 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8445 PRE_{INC,DEC} of TFmode.
8447 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8448 Alan Modra <amodra@bigpond.net.au>
8451 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8454 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8457 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8458 Remove duplicate gtu.
8460 2006-07-05 Jason Merrill <jason@redhat.com>
8464 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8465 * c-common.c (handle_packed_attribute): So don't copy it here.
8466 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8468 2006-07-05 Mike Stump <mrs@apple.com>
8470 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8472 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8475 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8477 2006-07-05 Richard Guenther <rguenther@suse.de>
8480 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8481 TARGET_SSE2 targets if using SSE math.
8482 (*absdf2_1): Likewise.
8484 2006-07-05 Richard Guenther <rguenther@suse.de>
8486 PR tree-optimization/28162
8487 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8488 make sure to convert the operands to the correct type.
8490 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8492 PR tree-optimization/28218
8494 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8495 to calculate and free the dominator information.
8497 2006-07-04 Peter O'Gorman <peter@pogma.com>
8499 * mklibgcc.in: chmod 644 before ranlib during install.
8501 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8502 J"orn Rennecke <joern.rennecke@st.com>
8504 * configure.ac (.eh_frame data check): Use diff -b.
8506 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8509 * Makefile.in (BUILD_RTL): Add build/vec.o.
8510 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8511 (build/genextract): Delete.
8512 (build/genautomata): Likewise.
8514 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8517 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8518 128-bit IBM long doubles for ABI_V4.
8520 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8522 * tree.c (range_in_array_bounds_p): New predicate.
8523 * tree.h (range_in_array_bounds_p): Declare it.
8524 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8525 return a less conservative answer.
8526 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8527 and flag 'is_group'.
8528 (IS_ELEMENT_FOR_GROUP): New macro.
8529 (FOR_EACH_ACTUAL_CHILD): Likewise.
8530 (next_child_for_group): New helper function.
8531 (can_completely_scalarize_p): Take into account groups.
8532 (sra_hash_tree): Handle RANGE_EXPR.
8533 (sra_elt_eq): Likewise.
8534 (lookup_element): Be prepared for handling groups.
8535 (is_valid_const_index): Delete.
8536 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8537 instead of is_valid_const_index.
8538 <ARRAY_RANGE_REF>: New case.
8539 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8540 is_valid_const_index.
8541 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8542 (scan_dump): Dump info for groups too.
8543 (decide_instantiation_1): Likewise.
8544 (decide_block_copy): Assert that the element is not a group.
8545 Propagate decision to groups.
8546 (generate_one_element_ref): Handle RANGE_EXPR.
8547 (mark_no_warning): Iterate over actual childs.
8548 (generate_copy_inout): Likewise.
8549 (generate_element_copy): Likewise.
8550 (generate_element_zero): Likewise.
8551 (generate_element_init_1): Likewise.
8552 (dump_sra_elt_name): Handle RANGE_EXPR.
8554 2006-07-03 Roger Sayle <roger@eyesopen.com>
8556 PR tree-optimization/26251
8557 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8558 (thread_block): When optimizing for size refuse to thread jumps
8559 that would require duplication of blocks other than redirection
8562 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8564 * configure.ac: Fix thinko in previous check-in.
8565 * configure: Regenerate.
8567 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8570 * configure.ac (for lang...): Simplify nesting of conditionals.
8571 Test subdir_requires for non-enabled languages. Move processing
8572 of lang_opt_files and lang_tree_fiels below that test.
8573 * configure: Regenerate.
8574 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8576 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8578 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8580 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8582 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8585 2006-06-29 Jason Merrill <jason@redhat.com>
8592 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8593 * c-common.c (c_determine_visibility): Handle it here.
8594 * c-decl.c (finish_decl): Call c_determine_visibility for
8596 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8598 * varasm.c (default_assemble_visibility): Likewise.
8599 * c-common.c (handle_visibility_attribute): Complain about trying
8600 to give visibility to an already defined class, or trying to change
8601 declared visibility. Always attach the attribute.
8606 * attribs.c (decl_attributes): Ignore type-in-place attributes
8607 once the type has been defined.
8609 2006-06-29 Roger Sayle <roger@eyesopen.com>
8612 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8613 to indicate the cpplib has issued an error message for us.
8615 2006-06-29 Asher Langton <langton2@llnl.gov>
8618 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8619 insert a label at the end of an function under Mach-O.
8621 2006-06-29 Eric Christopher <echristo@apple.com>
8622 Evan Cheng <evan.cheng@apple.com>
8624 * predicates.md (vector_all_ones_operand): New.
8625 (nonimmediate_or_sse_const_operand): Ditto.
8626 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8627 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8628 (standard_sse_mode_p): Ditto.
8629 (standard_sse_constant_p): Add case for -1 vector.
8630 (ix86_expand_vector_move): Try to use.
8631 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8632 Call standard_sse_constant_opcode.
8633 (*movv4sf_internal): Ditto.
8634 (*movv2df_internal): Ditto.
8636 2006-06-29 Roger Sayle <roger@eyesopen.com>
8638 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8639 of XEXP to extract the operands of a MATCH_CODE rtx.
8641 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8643 * tree.c (tree_size): Do not waste tail padding in
8644 struct tree_string and make the size be the same as
8645 build_string will generate.
8647 2006-06-28 Jason Merrill <jason@redhat.com>
8650 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8651 may_aliases already in the tag's annotations to the bitmap.
8653 2006-06-28 Roger Sayle <roger@eyesopen.com>
8655 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8657 2006-06-28 Roger Sayle <roger@eyesopen.com>
8659 * genpreds.c (generate_switch_p): New function.
8660 (add_mode_tests): Push the new mode test down inside an AND expr
8661 if this allows the switch-suitable MATCH_CODE to be near the root.
8662 (write_match_code_switch): New function to write a MATCH_CODE as
8664 (write_predicate_stmts): New function to write a predicate RTX
8665 expression as a sequence of statements.
8666 (write_one_predicate_function): Use write_predicate_stmts.
8667 (write_tm_constrs_h): Likewise.
8669 2006-06-26 Fred Fish <fnf@specifix.com>
8671 * config/mips/t-sb1: New file.
8672 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8675 2006-06-26 DJ Delorie <dj@redhat.com>
8677 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8679 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8680 Jayant Sonar <jayants@kpitcummins.com>
8681 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8683 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8684 (subsi3, subsi3_1, subsi3_2): New.
8685 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8686 * config/m32c/mov.md (SI mov peephole): New.
8687 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8688 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8690 2006-06-26 Olivier Hainque <hainque@adacore.com>
8692 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8693 a CALL_EXPR target function declaration.
8695 2006-06-26 Richard Guenther <rguenther@suse.de>
8697 * tree.c (build_string): Do not waste tail padding in
8700 2006-06-26 Richard Guenther <rguenther@suse.de>
8702 * ggc-page.c (init_ggc): Add missing element to size_lookup
8706 2006-06-23 Richard Guenther <rguenther@suse.de>
8708 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8709 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8710 alignment requests instead. Add verification code.
8711 Add struct tree_function_decl and struct tree_binfo size to
8712 extra_order_size_table. Add missing element to size_lookup
8715 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8718 * fold-const.c (const_binop): Be prepared for self returning zero.
8719 Simplify code handling complex values.
8721 2006-06-24 Olivier Hainque <hainque@adacore.com>
8723 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8724 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8727 2006-06-24 Olivier Hainque <hainque@adacore.com>
8729 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8730 ARRAY_REF, so have the callback called for the low bound expression.
8732 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8734 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8735 * c-typeck.c (c_common_type): Disallow operations on decimal float
8736 types and other float types.
8737 * convert.c (convert_to_real): Don't ignore conversions involving
8738 decimal float types.
8740 2006-06-23 Olivier Hainque <hainque@adacore.com>
8742 * tree.c (max_int_size_in_bytes): New function, inspired from
8743 code in function.c:assign_temp.
8744 * tree.h (max_int_size_in_bytes): Declare.
8745 * function.c (assign_temp): Use it.
8746 * gimplify.c (create_tmp_var): Relax the assertions on the type
8747 properties, not mandating constant size any more.
8748 (force_constant_size): New static function.
8749 (gimple_add_tmp_var): Use it, forcing variable size to a
8750 constant upper bound if it is not constant on entry.
8752 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8755 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8756 for initialization and setting of one_only flag to ...
8757 (i386_pe_encode_section_info): ...here.
8758 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8759 Recheck that the symbol has not been defined.
8761 2006-06-23 Richard Guenther <rguenther@suse.de>
8763 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8764 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8765 alignment requests instead. Add verification code.
8766 Add struct tree_function_decl and struct tree_binfo size to
8767 extra_order_size_table. Add missing element to size_lookup
8770 2006-06-22 Roger Sayle <roger@eyesopen.com>
8771 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8774 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8775 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8777 2006-06-23 Ben Elliston <bje@au.ibm.com>
8779 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8780 negate dn -- manipulate it directly.
8782 2006-06-22 Roger Sayle <roger@eyesopen.com>
8783 Steven Bosscher <stevenb.gcc@gmail.com>
8786 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8787 generated by gen_move_insn to add REG_LABEL notes if necessary.
8789 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8791 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8792 (leaf_entry): Remove use of MIN_ESA.
8794 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8796 PR rtl-optimization/28121
8797 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8800 2006-06-21 DJ Delorie <dj@redhat.com>
8802 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8804 (mulhisi3_r): Likewise.
8806 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8809 * coverage.c (coverage_counter_alloc): Leave the index type
8811 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8814 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8816 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8817 section from the "Options for Code Generation Conventions".
8819 2006-06-21 Richard Henderson <rth@redhat.com>
8823 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8825 (global_symbolic_operand): Allow weak symbols, even if local_p.
8827 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8829 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8830 (find_interesting_uses_address): Punt if above function returns true.
8832 2006-06-21 Richard Guenther <rguenther@suse.de>
8834 * configure: Regenerated.
8836 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8838 * config/mips/mips.c (function_arg): Where one part of a
8839 complex argument is in registers and the other part in the stack,
8840 return a REG not a PARALLEL.
8842 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8844 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8845 when cross-compiling. Do not substitute libstdcxx_incdir.
8846 * configure: Regenerated.
8848 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8850 * varasm.c (mergeable_string_section): Check for embedded NULs and
8851 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8852 rather than TREE_STRING_LENGTH bytes.
8854 2006-06-21 Richard Guenther <rguenther@suse.de>
8856 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8857 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8860 2006-06-21 Richrad Guenther <rguenther@suse.de>
8862 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8863 Limit iteration over the dominators.
8865 2006-06-20 Roger Sayle <roger@eyesopen.com>
8867 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8868 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8870 2006-06-20 Richard Guenther <rguenther@suse.de>
8871 Michael Matz <matz@suse.de>
8873 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8875 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8876 * et-forest.h (et_free_pools): Prototype new function.
8877 * et-forest.c (et_free_tree_force): Free parent occurrence.
8878 (et_free_pools): New function.
8879 * dominance.c (free_dominance_info): Free et-forest alloc
8882 2006-06-20 Roger Sayle <roger@eyesopen.com>
8884 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8885 integer modes, attempt to directly construct an integer constant.
8887 * fold-const.c (native_encode_vector): Determine the size of each
8888 element from the vector type instead of the first vector element.
8890 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8891 if all of its elements/components are constant.
8892 (build_constructor_from_list): Likewise.
8894 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8896 PR tree-optimization/27331
8897 * tree-data-ref.c (free_data_ref): New function.
8898 (create_data_ref): Fail if the data reference has unknown access
8900 (free_data_refs): Use free_data_ref.
8902 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8905 * tree-inline.c (setup_one_parameter): Strip useless
8906 type conversion before adding it to the IR.
8907 (declare_return_variable): Likewise.
8909 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8912 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8914 2006-06-19 Mike Stump <mrs@apple.com>
8916 * tree.c (variably_modified_type_p): VM arguments don't make the
8919 2006-06-19 Richard Guenther <rguenther@suse.de>
8921 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8922 type conversions after folding.
8924 2006-06-19 Richard Guenther <rguenther@suse.de>
8926 * ggc-page.c (extra_order_size_tab): Add entries with
8927 size of struct function and basic_block.
8928 (size_lookup): Extend to cover sizes up to 511.
8929 (ggc_alloc_stat): Adjust user.
8930 (ggc_pch_count_object): Likewise.
8931 (ggc_pch_alloc_object): Likewise.
8932 (ggc_pch_write_object): Likewise.
8934 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8936 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8937 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8940 2006-06-19 Denis Chertykov <denisc@overta.ru>
8942 * config/avr/libgcc.S : Correct my wrong previous commit.
8944 2006-06-19 Roger Sayle <roger@eyesopen.com>
8947 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8948 have stripped a SUBREG from the shift count, so we may need to
8949 convert_to_mode back to the type's mode before calling make_tree.
8950 Use new_amount instead of amount to avoid expanding a tree twice.
8952 2006-06-19 Richard Guenther <rguenther@suse.de>
8955 * fold-const.c (operand_equal_p): Check if the argument types
8956 have the same precision before stripping NOPs.
8958 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8960 Fix PR tree-optimization/27341
8961 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8963 * tree-complex.c (pass_lower_complex): Update SMT usage.
8965 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8967 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8968 Add a new alternative to the constraint strings. Add move of
8969 operand 1 to 3 to the splitter definition.
8970 ("doloop_si_long"): Second contraint alternative removed.
8972 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8974 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8975 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8977 (AVR_HAVE_MOVW) Define.
8978 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8979 (ASM_SPEC): Add avr25.
8980 (LINK_SPEC): Add avr25.
8981 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8982 (base_arch_s): Add new member 'have_movw_lpmx'.
8983 (avr_arch_types): Init 'have_movw_lpmx'.
8984 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8985 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8986 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8987 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8988 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8990 (avr_file_start): Do not output '.arh' derective.
8991 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8992 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8993 * config/avr/avr.md (mcu_enhanced): Delete.
8994 (mcu_have_movw): Define.
8995 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8996 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8997 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8998 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8999 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9000 attiny861 and at86rf401 devices.
9002 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9004 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9007 2006-06-17 Karl Berry <karl@gnu.org>
9009 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9010 doc/gccint.texi, doc/install.texi (@dircategory): Use
9011 "Software development" instead of "Programming", following
9012 the Free Software Directory.
9014 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9016 * config/i386/i386.c (legitimate_tls_address)
9017 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9018 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9019 (*tls_dynamic_gnu2_combine_64): Likewise.
9021 2006-06-16 Richard Guenther <rguenther@suse.de>
9024 * fold-const.c (negate_expr_p): Do not introduce undefined
9025 overflow in negating INTEGER_CSTs.
9026 (fold_negate_expr): Rename from negate_expr. Revert last
9027 change for folding BIT_NOT_EXPR. Change semantics to
9028 return NULL_TREE for non-simplified negations. Do not
9029 strip type conversions and unify type handling.
9030 (negate_expr): New function, wrap around fold_negate_expr
9031 but ensure building a tree always. Strip type conversions
9032 here, fold to result type.
9033 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9035 2006-06-16 Roger Sayle <roger@eyesopen.com>
9038 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9039 that (would) return their results in stack registers.
9041 2006-06-16 Michael Matz <matz@suse.de>
9042 Richard Guenther <rguenther@suse.de>
9044 * fold-const.c (fold_truthop): Only return new tree node if
9045 we canonicalized something.
9047 2006-06-16 Richard Guenther <rguenther@suse.de>
9049 * function.h (enum function_frequency): Move declaration
9050 out of struct function.
9051 (struct function): Move bool fields and the enum to the bitfield
9052 section. Reorder elements to avoid padding. Remove unused
9053 fields left over from the RTL inliner removal.
9054 * function.c (free_after_compilation): Do not zero removed fields.
9055 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9056 (ipa-type-escape.o): Likewise.
9058 2006-06-16 Richard Guenther <rguenther@suse.de>
9060 * cgraph.h (struct cgraph_local_info): Turn bool elements
9062 (struct cgraph_node): Likewise.
9063 (struct cgraph_varpool_node): Likewise.
9065 2006-06-15 Richard Guenther <rguenther@suse.de>
9067 * fold-const.c (fold_truth_not_expr): Rename from
9068 invert_truthvalue. Give it fold_* semantics to avoid
9070 (invert_truthvalue): New function. Wrapper around
9071 fold_truth_not_expr.
9072 (optimize_minmax_comparison): Avoid creating garbage.
9073 (fold_unary): Use fold_truth_not_expr for folding
9075 (fold_ternary): Replace uses of invert_truthvalue with
9076 fold_truth_not_expr where applicable.
9077 * tree.h (fold_truth_not_expr): Prototype.
9079 2006-06-16 Richard Guenther <rguenther@suse.de>
9081 PR tree-optimization/27781
9082 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9083 * ipa-pure-const.c (target.h): Include.
9084 (analyze_function): Do not analyze functions that do not
9087 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9090 * tree-dfa.c (referenced_vars_dup_list): Remove.
9091 (find_referenced_vars): Remove assert.
9092 (referenced_var_check_and_insert): Replace dup list with assert.
9093 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9094 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9096 2006-06-15 Richard Guenther <rguenther@suse.de>
9098 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9099 extra unused identifiers if not dumping.
9100 (create_variable_info_for): Likewise.
9102 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9104 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9105 (derive_constant_upper_bound): Derive more precise upper bound in
9106 common cases. Return type changed to double_int.
9107 (record_estimate): Reflect the changed return type of
9108 derive_constant_upper_bound.
9109 * double-int.c (double_int_zext, double_int_sext): Fix.
9111 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9113 * configure.ac (CFLAGS): Get them from the toplevel or from the
9114 configure invocation.
9115 * configure: Regenerate.
9116 * Makefile.in (CFLAGS): Substitute value provided by configure.
9118 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9121 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9122 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9123 rather than calling add_stmt on it.
9124 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9126 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9129 * reload1.c (reload): Remove registers returned by update_eliminables
9130 from used_spill_regs.
9132 2006-06-13 DJ Delorie <dj@redhat.com>
9134 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9136 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9138 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9139 html__strip_dir, html__mkdir_p. Enhance install-html target.
9140 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9141 * configure: Regenerate.
9143 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9145 * fold-const.c (fold_cond_expr_with_comparison): Check for
9146 Objective-C++ as language in deciding COND_EXPR transformation.
9148 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9151 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9152 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9153 * config/sh/lib1funcs.h (SL, SL1): Define.
9154 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9155 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9156 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9157 (OBJS_Os_4_200): New variable.
9158 ($(T)libgcc-Os-4-200.a): Use it.
9159 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9160 when dividing 1 and/or by 0.
9162 2006-06-13 Roger Sayle <roger@eyesopen.com>
9164 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9165 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9166 * configure: Regenerate.
9168 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9170 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9171 for real instruction.
9173 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9176 * haifa-sched.c (check_cfg): Handle special case.
9178 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9181 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9182 Add debug_info parameter. Chain the vars to the BLOCK instead
9183 of the BIND_EXPR if debug info are requested for them.
9184 (pop_gimplify_context): Adjust for above change.
9185 (gimple_add_tmp_var): Likewise.
9186 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9188 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9189 (convert_local_reference): Likewise.
9190 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9191 (finalize_nesting_tree_1): Request that debug info be emitted
9192 for debug_var_chain.
9194 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9196 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9197 for PR target/27863.
9199 2006-06-13 Richard Guenther <rguenther@suse.de>
9202 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9204 2006-06-13 Richard Guenther <rguenther@suse.de>
9206 PR tree-optimization/27830
9207 * tree-inline.c (copy_body_r): For copying the operand
9208 of an ADDR_EXPR make sure to fold &* afterwards.
9210 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9212 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9213 lvalues in the fb_none case with side-effects.
9215 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9217 * tree-flow.h: Remove the prototype for
9218 compute_phi_arg_on_exit.
9219 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9220 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9223 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9225 * builtins.c (expand_builtin_return_addr): Only use
9226 frame_pointer_rtx when count == 0 and we are expanding
9227 __builtin_return_address.
9229 2006-06-12 Fred Fish <fnf@specifix.com>
9231 * config/mips/mips.c (mips_file_start): Create special section
9232 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9234 2006-06-11 Eric Christopher <echristo@apple.com>
9237 * stor-layout.c (place_field): Remove check for
9238 remaining_in_alignment when aligning at the end of a run.
9240 2006-06-11 Eric Christopher <echristo@apple.com>
9243 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9246 2006-06-11 Roger Sayle <roger@eyesopen.com>
9249 Revert incorrect fix for PR target/27158
9250 2006-05-08 Roger Sayle <roger@eyesopen.com>
9251 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9252 of a reg_equiv_constant if the result is a legitimate constant.
9254 2006-06-11 Roger Sayle <roger@eyesopen.com>
9257 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9258 extract a CONST_VECTOR element and interpret it as an integer.
9259 (vspltis_constant): Use const_vector_elt_as_int instead of the
9260 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9261 * config/rs6000/predicates.md (easy_vector_const): Consider
9262 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9264 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9267 * stor-layout.c (update_alignment_for_field): Don't add extra
9268 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9271 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9273 * config/mips/t-rtems: Add EL/EB multilib variants.
9275 2006-06-09 Mike Stump <mrs@apple.com>
9277 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9279 2006-06-09 David Daney <ddaney@avtrex.com>
9281 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9283 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9285 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9287 2006-06-09 Richard Guenther <rguenther@suse.de>
9289 PR tree-optimization/26998
9290 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9291 of signed types, only TYPE_MIN_VALUE is special, but for both,
9292 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9293 in this case, as is -fwrapv.
9295 2006-06-08 Mike Stump <mrs@apple.com>
9298 * config/darwin.c (darwin_asm_output_anchor): Disable
9299 -fsection-anchors on darwin for now.
9300 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9301 * rs6000/rs6000.c (optimization_options): Likewise.
9303 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9306 * config/i386/i386.c (classify_argument): Skip fields with invalid
9309 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9311 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9312 (cse_insn): Likewise for the stack_pointer_rtx.
9314 2006-06-08 Roger Sayle <roger@eyesopen.com>
9316 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9317 conditions from floating point comparisons.
9319 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9322 * expmed.c (struct alg_hash_entry): Fix type of field T
9323 to match synth_mult argument.
9324 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9326 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9329 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9332 2006-06-08 Richard Guenther <rguenther@suse.de>
9335 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9336 only, if overflow is defined and not trapping.
9337 (negate_expr): Likewise.
9339 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9341 PR tree-optimization/27872
9342 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9343 flag on the new exit edge of the unrolled loop.
9345 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9347 PR rtl-optimization/26449
9348 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9350 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9353 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9354 referenced_variables with matching DECL_UID's.
9355 (find_referenced_vars): Make sure duplicate list is empty to start.
9356 (referenced_var_p): Remove.
9357 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9358 Check if var is in the list, and add if needed. Update the duplicate
9359 list if a different var is in the list with the same DECL_UID.
9360 (add_referenced_var): Call routine to check and insert.
9361 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9362 * tree-flow.h (referenced_vars_dup_list): External declaration.
9364 2006-06-07 Fred Fish <fnf@specifix.com>
9366 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9369 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9372 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9373 the imaginary and real parts of a clobbered register.
9374 Emit insn to set the imaginary part.
9376 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9378 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9379 in lieu of unwind-dw2-fde.c.
9381 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9383 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9385 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9388 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9389 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9390 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9391 V4SImode temporaries and operations instead.
9393 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9395 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9398 2006-06-06 Mike Stump <mrs@apple.com>
9400 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9401 installing during build.
9403 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9405 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9407 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9408 * config/ia64/ia64.c (params.h): New header.
9409 (ia64_optimization_options): New function to adjust parameters.
9410 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9411 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9412 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9414 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9416 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9418 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9421 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9423 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9424 Victor Kaplansky <victork@il.ibm.com>
9426 PR tree-optimization/26360
9427 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9430 2006-06-04 Roger Sayle <roger@eyesopen.com>
9431 Andrew Pinski <pinskia@physics.uc.edu>
9434 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9435 for LABEL_DECL before calling DECL_WEAK.
9438 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9439 LABEL_DECL and PARM_DECL.
9441 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9445 * c-decl.c (grokdeclarator): Disallow variably modified types at
9446 file scope. Avoid marking shared array type of constant size as
9449 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9452 * c-common.c (fold_offsetof_1): Handle static members.
9454 2006-06-04 Eric Christopher <echristo@apple.com>
9456 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9457 (debug_rli): Output value for remaining_in_alignment.
9458 (update_alignment_for_field): Unconditionalize
9459 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9460 extra alignment code.
9461 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9462 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9463 * tree.h (record_layout_info_s): Remove prev_packed.
9464 * doc/extend.texi (ms_struct): Add documentation of format.
9466 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9468 * tree.h: Declare folding_initializer.
9469 * builtins.c (fold_builtin_constant_p): Give definite answer
9470 if folding inside an initializer.
9471 * fold-const.c: Define folding_initializer.
9472 (START_FOLD_INIT): Save and then set folding_initializer.
9473 (END_FOLD_INIT): Restore folding_initializer.
9475 2006-06-04 Richard Guenther <rguenther@suse.de>
9477 PR tree-optimization/27039
9478 * fold-const.c (fold_comparison): Handle pointer comparison
9479 again for all comparison codes. Compare offsets in signed
9481 (fold_binary): Move code from here.
9483 2006-06-03 Roger Sayle <roger@eyesopen.com>
9486 * config/i386/i386.c (construct_container): Split static issued_error
9487 flag into issued_sse_arg_error, issued_sse_ret_error and
9488 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9489 requires the use of x87 registers and the user explicitly
9490 specified the -mno-80387 command line option.
9492 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9494 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9495 HAVE_DECL_SIGALTSTACK.
9497 (segv_handler): Use MC_FLD.
9498 * configure.ac: Check for a sigaltstack declaration.
9499 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9500 * configure: Regenerate.
9501 * config.in: Regenerate.
9503 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9506 * Makefile.in (stmp-fixinc): Fix typo.
9508 2006-06-02 Roger Sayle <roger@eyesopen.com>
9510 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9511 are type correct. Clean-up.
9512 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9513 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9515 2006-06-01 DJ Delorie <dj@redhat.com>
9517 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9518 shift, as we've disabled the "switch" insn that needs it.
9520 2006-06-01 Per Bothner <bothner@bothner.com>
9522 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9523 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9524 * c-ppoutput.c (cb_define): Don't increment line 0.
9526 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9528 * doc/invoke.texi: Add cpu_type power6.
9529 * config.gcc: Add cpu_type power6.
9530 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9531 to power5+ with Altivec.
9532 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9533 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9535 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9537 * config/avr/avr.h (SET_ASM_OP): Define.
9539 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9541 * config/bfin/bfin.c: Fix comment typos.
9543 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9546 * doc/install.texi: Document --enable-bootstrap and
9547 --disable-bootstrap.
9549 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9551 * doc/install.texi: Document that InfoZIP can replace jar.
9553 2006-05-31 Roger Sayle <roger@eyesopen.com>
9555 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9556 isn't available, directly generate the simpler x87 patterns without
9557 the (use (const_int 0)).
9558 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9559 implementation isn't available.
9560 (*negdf2_1): Likewise.
9561 (*negxf2_1): XF mode negation is always done using the x87.
9562 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9564 2006-05-31 Roger Sayle <roger@eyesopen.com>
9566 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9567 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9569 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9571 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9573 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9574 * config/bfin/bfin.c (basic-block.h): Include.
9575 (struct machine_function): New.
9576 (bfin_init_machine_status): New.
9577 (override_options): Initialize init_machine_status.
9578 (bfin_hardware_loop): New.
9579 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9580 (DEF_VEC_P (loop_info)): New.
9581 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9582 (struct loop_info): New.
9583 (loop_info): New typedef.
9584 (struct loop_work): New.
9585 (loop_work): New typedef.
9586 (DEF_VEC_O (loop_work)): New.
9587 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9588 (bfin_dump_loops): New.
9589 (bfin_bb_in_loop): New.
9590 (bfin_scan_loop): New.
9591 (bfin_optimize_loop): New.
9592 (bfin_reorg_loops): New.
9593 (bfin_reorg): Use bfin_reorg_loops.
9594 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9596 (I_REGNO_P): Simplify.
9597 (DP_REGNO_P, DPREG_P): New macros.
9598 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9599 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9600 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9601 Add LT_REGS, LC_REGS, LB_REGS.
9602 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9604 (REGNO_REG_CLASS): Deal with loop registers.
9605 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9607 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9608 New constants for loop registers.
9609 (UNSPEC_LSETUP_END): New.
9610 (seq_insns): New define_attr. Set it for appropriate insns.
9611 (movsi_insn): Add alternatives for move from/to
9612 loop count registers.
9613 (doloop_end): New define_expand.
9614 (loop_end): New define_insn.
9615 (define_split for bad doloop_end): New.
9616 (lsetup_with_autoinit): New define_insn.
9617 (lsetup_without_autoinit): New define_insn.
9618 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9619 * config/bfin/predicates.md (lc_register_operand): New.
9620 (lt_register_operand): New.
9621 (lb_register_operand): New.
9622 (nondp_register_operand): New.
9623 (nondp_reg_or_memory_operand): New.
9624 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9626 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9628 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9629 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9631 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9633 * Makefile.in (CATALOGS): Add po/ prefix.
9634 * configure: Regenerated.
9636 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9639 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9640 a shift operand before calling shift_op. Avoid redundant call of
9643 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9644 DJ Delorie <dj@redhat.com>
9646 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9647 we're inserting is a singlt-bit constant.
9649 2006-05-30 Roger Sayle <roger@eyesopen.com>
9651 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9652 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9654 2006-05-30 Roger Sayle <roger@eyesopen.com>
9656 PR tree-optimization/23452
9657 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9658 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9659 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9660 complex values and with -ffast-math for FP complex values.
9662 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9664 * c-common.h: Remove the prototype for yyparse.
9665 * rtl.h: Remove the prototype for init_loop.
9667 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9669 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9672 2006-05-30 Roger Sayle <roger@eyesopen.com>
9674 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9676 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9677 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9679 2006-05-30 Dirk Mueller <dmueller@suse.de>
9682 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9683 for CONSTANT_CLASS_P expresisons.
9685 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9688 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9690 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9692 PR tree-optimization/27779
9693 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9694 initial_condition instead of CHREC_LEFT.
9696 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9698 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9699 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9700 Make prototypes ISO C90.
9702 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9703 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9705 * see.c (see_analyze_one_def): Correct check.
9706 (see_get_extension_data): Check if extension is parallel.
9707 (see_get_extension_reg): Likewise.
9709 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9712 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9713 into register for (code == GTU).
9715 2006-05-29 Roger Sayle <roger@eyesopen.com>
9717 PR tree-optimization/24964
9718 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9719 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9720 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9721 abs(x)*abs(x) as x*x for scalar floating point modes.
9723 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9726 * lambda-code.c (perfect_nestify): Don't copy statements
9727 in the inner loop: move them to the inner loop header.
9729 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9732 * c-tree.texi: Document OpenMP directives and clauses.
9734 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9736 * varasm.c (globalize_decl): Fix indentation.
9738 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9741 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9742 pass_fre, pass_store_ccp, pass_copy_prop,
9743 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9744 pass_return_slot, pass_object_size, pass_lim,
9745 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9746 pass_loop_prefetch and pass_stdarg.
9748 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9750 * config/bfin/bfin.opt (mfdpic): New option.
9751 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9752 (EXTRA_MULTILIB_PARTS): Likewise.
9753 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9754 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9756 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9757 (CRT_CALL_STATIC_FUNCTION): New.
9758 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9760 (CRT_CALL_STATIC_FUNCTION): New.
9761 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9763 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9764 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9765 (initialize_trampoline): Changed to handle FD-PIC code generation.
9766 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9767 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9768 (override_options): Disallow -mid-shared-library -mfdpic combination.
9769 Can't do unaligned ops if FD-PIC.
9770 Turn off flag_pic if trying to generate non-id-shared-library
9771 non-fdpic code, since it's not supported.
9772 (bfin_assemble_integer): New function.
9773 (TARGET_ASM_INTEGER): Define.
9774 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9776 * config/bfin/crtn.s: Restore them.
9777 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9779 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9780 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9781 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9782 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9783 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9785 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9786 FDPIC_REGS and FDPIC_FPTR_REGS.
9787 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9788 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9789 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9790 (load_funcdescsi): New pattern.
9791 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9792 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9793 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9795 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9797 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9800 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9802 * tree-flow.h: Remove the prototype for add_type_alias.
9803 * tree-ssa-alias.c (add_type_alias): Remove.
9805 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9807 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9808 config/fr30/fr30.md, config/i386/i386-interix.h,
9809 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9810 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9811 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9812 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9813 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9814 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9815 Follow spelling conventions.
9816 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9817 Follow spelling conventions.
9819 2006-05-27 Richard Guenther <rguenther@suse.de>
9822 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9823 to produce a constant of value 1 of generic type.
9825 2006-05-27 Dirk Mueller <dmueller@suse.de>
9827 * cgraphunit.c (decide_is_function_needed): Fix wrong
9830 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9832 PR rtl-optimization/27661
9833 * reload.c (find_reloads): When reloading a VOIDmode constant
9834 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9835 use Pmode as mode of the reload register.
9837 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9839 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9840 is enabled at -O and above.
9842 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9845 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9848 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9851 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9852 for anonymous variables explicitly declared by front ends.
9854 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9856 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9857 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9858 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9859 ref-all pointers, run a finalization pass for them.
9860 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9861 (finalize_ref_all_pointers): New function.
9862 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9863 regular pointer type to a ref-all pointer type.
9864 (get_tmt_for): Return the special memory tag for ref-all pointers.
9866 2006-05-25 Richard Guenther <rguenther@suse.de>
9869 * fold-const.c (fold_binary): Do not look at the stripped
9870 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9872 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9874 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9875 for LT and GT if the computed range is effectively empty.
9877 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9880 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9881 mips_quad_format formats instead of ieee_single_format,
9882 ieee_double_format and ieee_quad_format formats, respectively.
9884 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9886 PR tree-optimization/27639
9887 PR tree-optimization/26719
9888 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9889 call to scev_probably_wraps_p.
9890 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9891 used_in_pointer_arithmetic_p, convert_step): Removed.
9892 (nowrap_type_p): New function.
9893 (scev_probably_wraps_p): Rewritten.
9894 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9895 chrec_convert if chrec_convert_aggressive might have been used.
9896 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9897 scev_direction): New functions.
9898 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9899 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9900 instead of convert_step.
9901 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9902 (convert_step): Declaration removed.
9903 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9905 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9907 * df-core.c: Added to header comments.
9908 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9909 df_ur_bb_info, df_urec_bb_info): Added comments.
9910 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9911 urec, ri problems): Fixed header comments.
9912 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9913 code from df_rd_transfer_function.
9915 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9917 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9918 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9919 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9921 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9923 * expr.c (undefined_operand_subword_p): New.
9924 (emit_move_multi_word): Do not generate move from undefined bits
9925 of a paradoxical subreg.
9927 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9929 PR rtl-optimization/27736
9930 * combine.c (replaced_rhs_value): New variable.
9931 (combine_instructions): Set it.
9932 (distribute_notes): When distributing a note in replaced_rhs_insn,
9933 check whether the value was used in replaced_rhs_value.
9935 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9938 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9939 add_referenced_var instead of add_referenced_tmp_var.
9940 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9941 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9943 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9944 tree_optimize_tail_calls_1): Use add_referenced_var.
9945 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9946 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9947 Use add_referenced_var.
9948 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9949 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9950 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9951 Use add_referenced_var.
9952 * tree-dfa.c (struct walk_state): Remove.
9953 (find_referenced_vars): Remove walk state and vars_found hash table.
9954 (make_rename_temp): Use add_referenced_var.
9955 (find_vars_r): Pass less parameters to add_referenced_var.
9956 (referenced_var_p): New. Is var in referenced_var hash table.
9957 (referenced_var_insert): Assert var isn't already in hash table.
9958 (add_referenced_var): Don't need walk_state parameter. Add var if it
9959 isn't already in the hash table.
9960 (add_referenced_tmp_var): Remove.
9961 (find_new_referenced_vars_1): Use add_referenced_var.
9962 * tree-ssa-pre.c (create_expression_by_pieces,
9963 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9964 Use add_referenced_var.
9965 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9966 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9967 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9969 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9970 vect_create_data_ref_ptr, vect_create_destination_var,
9971 vect_init_vector, vect_build_loop_niters,
9972 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9973 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9974 Use add_referenced_var.
9975 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9976 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9977 (add_referenced_var): Add prototype.
9978 * tree-ssa-structalias.c (get_constraint_for,
9979 intra_create_variable_infos): Use add_referenced_var.
9981 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9983 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9984 big-endian paradoxical subregs.
9985 * var-tracking.c (struct micro_operation_def): Document that,
9986 for modify micro operations, insn is the subsequent instruction.
9987 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9988 (var_reg_set, var_mem_set): ... new functions.
9989 (add_stores): Record subsequent insn.
9990 (compute_bb_dataflow): Use new functions for MO_USE.
9991 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9992 notes after the insn, and modify notes before the insn known
9993 to be the subsequent one.
9994 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9996 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9999 * config/i386/i386.c (ix86_expand_builtin): Use
10000 gen_sse3_monitor64 for TARGET_64BIT.
10002 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10004 PR rtl-optimization/26375
10005 PR rtl-optimization/26855
10006 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10008 (df_ru_bb_local_compute): Reversed statements and removed bogus
10009 comment explaining why they should be in wrong order.
10010 (df_ru_dump, df_rd_dump): Enhanced debug info.
10011 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10013 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10014 reaching uses and fixed space problem.
10016 2006-05-23 Jan Hubicka <jh@suse.cz>
10018 * cgraphunit.c (decide_is_function_needed): Also nested functions
10019 and functions declared inline can be optimized out at -O0.
10021 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10023 * doc/install.texi (Configuration): Remove reference to CrossGCC
10024 FAQ which was gone.
10027 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10030 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10031 ix86_compare_emitted is non-NULL.
10033 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10036 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10039 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10041 PR rtl-optimization/25514
10042 * combine.c (replaced_rhs_insn): New variable.
10043 (combine_instructions): Set replaced_rhs_insn when trying to replace
10044 a SET_SRC with a REG_EQUAL note.
10045 (distribute_notes): Use replaced_rhs_insn when determining the live
10046 range of a REG_DEAD register.
10048 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10049 Anatoly Sokolov <aesok@post.ru>
10051 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10052 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10053 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10054 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10055 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10056 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10057 at90usb647, at90usb1286 and at90usb1287 devices.
10058 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10059 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10061 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10063 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10065 2006-05-22 Richard Guenther <rguenther@suse.de>
10068 2006-01-31 Richard Guenther <rguenther@suse.de>
10069 Paolo Bonzini <bonzini@gnu.org>
10071 * doc/install.texi (--disable-libgcc-math): Document.
10073 2006-05-22 Richard Guenther <rguenther@suse.de>
10076 2006-01-31 Richard Guenther <rguenther@suse.de>
10078 * doc/invoke.texi (-msselibm): Document.
10079 * target.h (expand_library_builtin): New target hook.
10080 * builtins.c (expand_builtin): Use expand_library_builtin.
10081 (default_expand_library_builtin): New function.
10082 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10083 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10084 (link_gcc_math_spec): Declare.
10085 (static_specs): Add link_gcc_math_spec.
10086 * expr.h (default_expand_library_builtin): Declare.
10087 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10088 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10089 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10090 * config/i386/i386.opt (msselibm): New target option.
10091 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10092 (ix86_init_sse_abi_builtins): New function.
10093 (ix86_expand_library_builtin): Likewise.
10094 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10095 (override_options): Handle error conditions wrt -msselibm.
10096 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10097 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10098 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10101 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10104 * c-common.c (self_promoting_args_p): Skip erroneous args.
10107 * c-decl.c (finish_struct): Skip erroneous fields.
10109 2006-05-22 Nick Clifton <nickc@redhat.com>
10111 * config/cris/cris.opt (march): Remove VarExists attribute.
10112 (max-stackframe=): Likewise.
10114 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10116 * doc/rtl.texi: Fix a typo.
10117 * see.c: Fix comment typos.
10119 * tree-ssa-structalias.h (alias_info): Remove num_references.
10121 2006-05-21 Mike Stump <mrs@apple.com>
10123 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10125 (darwin_pragma_options): Use BAD instead.
10126 (darwin_pragma_unused): Likewise.
10127 (darwin_pragma_ms_struct): Likewise.
10129 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10131 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10133 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10135 PR rtl-optimization/27671
10136 * simplify-rtx.c (simplify_relational_operation_1): Fix
10137 simplifications of (eq/ne (xor x y) y) and
10138 (eq/ne (xor x y) x).
10140 PR tree-optimization/26622.
10141 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10144 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10146 * tree-cfg.c: Prune whitespace.
10147 (debug_tree_cfg): Point to correct header containing the
10150 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10152 PR middle-end/25776
10153 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10155 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10157 PR middle-end/25776
10158 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10159 or sorry count is non zero.
10161 2006-05-20 Andreas Schwab <schwab@suse.de>
10163 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10165 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10166 Kenneth Zadeck <zadeck@naturalbridge.com>
10168 PR rtl-optimization/26855
10170 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10172 (df_scan_alloc): Added code to properly handle multiword hard
10173 registers and add all_blocks parameter.
10174 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10175 code to properly handle multiword hard registers.
10176 (df_rescan_blocks): Added code to remove deleted blocks from
10178 (df_ref_create_structure, df_ref_record): Added code to properly
10180 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10181 and set DF_REF_PARTIAL.
10182 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10183 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10184 (df_scan_add_problem): Added flags parameter.
10185 (df_ref_create_structure): Changed switching structure.
10186 (df_bb_refs_record): Fixed case where duplicate artificial refs
10187 were created. Changed location of flags.
10188 (df_record_entry_block_defs): Added code to make stack pointer
10189 live in entry block. Refined cases where frame pointer is needed.
10190 Changed location of flags.
10191 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10192 (df_set_state): Removed function.
10193 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10194 df_insn_create_insn_record, df_insn_refs_delete,
10195 df_ref_create_structure): Formatting changes.
10196 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10197 df_delete_basic_block): New function.
10198 (df_init): Changed location of flags.
10199 (df_add_problem): Added flags parameter and the way flags are
10201 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10202 debug_df_chain): Improved debugging output.
10203 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10204 (df_refs_chain_dump): Removed df parameter.
10205 (df_iterative_dataflow): Added consistency check.
10206 (df_prune_to_subcfg): Made public.
10207 (df_analyze_problem): Added blocks_to_init parameter and made
10209 (df_ref_record, df_bb_refs_record, df_mark_reg,
10210 df_record_exit_block_uses): Whitespace changes.
10211 (df_dump): Whitespace changes.
10212 * df.h: Some reordering to remove forward references.
10213 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10214 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10215 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10216 (dataflow.flags): New field.
10217 (df.flag): Deleted field.
10218 (df_alloc_function): Added additional bitmap parameter.
10219 (df_dependent_problem_function): New type.
10220 (df_problem.changeable_flags): New field.
10221 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10222 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10223 (df_mw_hardreg): New struct.
10224 (DF_INSN_UID_MWS): New macro.
10225 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10227 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10228 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10229 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10230 (df_set_state): Removed function.
10231 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10232 * df-problems.c (df_chain_dump): Removed df parameter.
10233 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10234 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10236 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10237 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10238 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10239 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10240 DF_REF_MUST_CLOBBER cases.
10241 (df_ru_bb_local_compute_process_def,
10242 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10243 df_lr_bb_local_compute, df_ur_bb_local_compute,
10244 df_chain_create_bb): Made subreg aware.
10245 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10246 df_lr_bb_local_compute, df_lr_bb_local_compute,
10247 df_chain_create_bb): Cleanup to use proper macros.
10248 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10249 code to fixup bitvectors.
10250 (df_ri_alloc): Cleared lifetime.
10251 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10252 df_create_unused_note): New function.
10253 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10254 REG_DEAD and REG_UNUSED notes as well as register information.
10255 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10256 df_chains_dump): Fixed crash if problem was never run.
10257 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10258 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10259 df_ri_add_problem): Processes flags in uniform manner.
10260 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10261 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10262 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10263 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10264 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10265 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10266 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10267 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10268 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10269 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10270 * see.c (see_initialize_data): Ditto.
10271 * final.c (rest_of_clean_state) Added regstack_completed.
10272 * rtl.h (regstack_completed): Ditto.
10273 * reg-stack.c (regstack_completed): Ditto.
10275 2006-05-19 Mike Stump <mrs@apple.com>
10277 * c-tree.h (default_conversion): Remove.
10278 * c-common.h (default_conversion): Add.
10280 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10282 * tree-vrp.c (valid_value_p): New function.
10283 (adjust_range_with_scev): Fail if the value of bound is not
10286 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10288 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10289 (mips_fallback_frame_state): Use syscall numbers to determine
10290 the appropriate li instruction for the current ABI. Only use
10291 __NR_sigreturn for o32.
10293 2006-05-19 Nicolas Setton <setton@adacore.com>
10295 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10296 * langhooks.c (lhd_dwarf_name): New function.
10297 * langhooks-def.h (lhd_dwarf_name): Declare.
10298 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10299 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10301 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10303 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10305 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10306 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10307 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10308 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10309 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10310 determine the size of Wtype, etc.
10311 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10312 (swfloatfuncs): New variable.
10313 (dwfloatfuncs): Likewise.
10314 (lib2funcs): Remove floating-point conversion functions from
10315 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10316 the set of conversion routines needed. Allow entries to specify
10317 an object name, filename and word size. Update users accordingly.
10318 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10319 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10323 2006-02-08 Roger Sayle <roger@eyesopen.com>
10326 * config/fixtfdi.c: New libgcc source file.
10327 * config/fixunstfdi.c: New source file.
10328 * config/floatditf.c: New source file.
10329 * config/floatunditf.c: New souce file.
10330 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10331 files above instead of config/mips/_tilib.c.
10332 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10334 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10336 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10337 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10339 2006-05-18 Mike Stump <mrs@apple.com>
10341 Fix up vla, vm and [*] sematics.
10347 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10348 (c_vla_unspec_p): Add.
10349 (c_vla_type_p): Add.
10350 * c-decl.c (struct c_scope): Add had_vla_unspec.
10351 (build_array_declarator): Add support for [*].
10352 (grokdeclarator): Likewise.
10353 (grokparms): Likewise.
10354 (get_parm_info): Likewise.
10355 * c-objc-common.c (c_vla_unspec_p): Likewise.
10356 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10357 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10358 typeof when argument is a variably modified type not inside sizeof or alignof.
10359 (c_parser_direct_declarator_inner): Propagate errors.
10360 (c_parser_sizeof_expression): Add support for [*].
10361 (c_parser_parms_declarator): Initialize had_vla_unspec.
10362 (c_parser_parms_list_declarator): Likewise.
10363 * c-typeck.c (c_vla_type_p): Add.
10364 (composite_type): Add support for vla compositing.
10365 (comptypes_internal): Add support for vla compatibility.
10366 (c_expr_sizeof_expr): Evaluate vla arguments.
10367 * tree.c (variably_modified_type_p): Update comment for [*].
10369 2006-05-18 Michael Matz <matz@suse.de>
10372 * config.host: Make assignments to host_xmake_file cumulative.
10373 * config.host (*-darwin*): Test $host, not $target.
10375 2006-05-12 Stuart Hastings <stuart@apple.com>
10377 * config/i386/i386.opt (-mstackrealign): New flag.
10378 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10379 (ix86_handle_cconv_attribute): Emit error when
10380 force_align_arg_pointer attribute collides with too many regparms.
10381 (ix86_function_regparm): Limit regparms when used with
10382 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10383 Support stack-realigning prologue in non-main functions. Emit
10384 warning for nested functions under -mstackrealign, emit error for
10385 nested functions with force_align_arg_pointer attribute.
10386 * doc/extend.texi (force_align_arg_pointer): Document it.
10387 * doc/invoke.texi (-mstackrealign): Document it.
10389 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10391 PR rtl-optimization/27477
10392 * combine.c (try_combine): Don't split a parallel consisting
10393 of two sets into two individual sets if both sets reference
10396 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10398 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10399 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10401 * doc/options.texi (VarExists): Updated.
10403 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10405 * unwind-dw2.c: Add declarations for uw_update_context and
10406 uw_frame_state_for.
10407 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10408 detected, advance frame state and context once to skip over stub.
10410 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10412 PR middle-end/20256
10413 PR middle-end/26435
10414 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10415 Call rewrite_into_loop_closed_ssa only when something changed.
10416 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10417 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10418 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10419 Test for perfect_nest_p here. Fix formating.
10420 (replace_uses_equiv_to_x_with_y): Fix formating.
10421 (stmt_uses_op): Removed.
10422 (can_convert_to_perfect_nest): Removed loopivs parameter.
10423 Complete the test by checking the scalar dependences.
10424 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10427 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10430 From Dan Kegel <dank@kegel.com>:
10431 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10433 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10435 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10436 if the element type is variably modified without recursing.
10438 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10440 PR middle-end/27332
10441 * tree-loop-linear.c (try_interchange_loops): Test for
10442 no data dependences.
10444 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10446 PR tree-optimization/27548
10447 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10448 range of ssa names that appear on abnormal edges.
10449 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10450 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10452 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10454 PR middle-end/27620
10455 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10457 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10459 PR middle-end/27415
10460 * tree.h (OMP_PARALLEL_COMBINED): Define.
10461 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10462 (new_omp_context): Add is_combined_parallel argument.
10463 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10464 new_omp_context caller.
10465 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10466 Adjust gimplify_scan_omp_clauses callers.
10467 (omp_is_private): Issue errors if iteration variable is firstprivate
10468 or reduction in the current context.
10469 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10470 on combined parallel workshare constructs.
10472 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10474 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10475 (gcc-options.o): New rule.
10477 * optc-gen.awk: Protect variables for gcc-options.o with
10478 #ifdef GCC_DRIVER/#endif.
10480 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10482 Fix PR tree-optimization/27373
10483 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10484 (forward_propagate_addr_expr): Update call.
10486 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10488 * doc/options.texi: Move the Negative option.
10490 2006-05-16 Richard Guenther <rguenther@suse.de>
10492 PR tree-optimization/22303
10493 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10495 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10496 ccp_fold did not simplify the statement.
10498 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10501 * Makefile.in (GCC_OBJS): New.
10502 (OBJS-common): Add opts-common.o.
10503 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10504 (cpp$(exeext)): Likewise.
10505 (gcc.o): Also depend on opts.h.
10506 (opts-common.o): New.
10508 * common.opt (gcoff): Add Negative(gdwarf-2).
10509 (gdwarf-2): Add Negative(gstabs).
10510 (gstabs): Add Negative(gstabs+).
10511 (gstabs+): Add Negative(gvms).
10512 (gvms): Add Negative(gxcoff).
10513 (gxcoff): Add Negative(gxcoff+).
10514 (gxcoff+): Add Negative(gcoff).
10515 * config/i386/i386.opt (m32): Add Negative(m64).
10516 (m64): Add Negative(m32).
10518 * doc/options.texi: Document the Negative option.
10520 * gcc.c: Include "opts.h".
10521 (main): Call prune_options after expandargv.
10523 * optc-gen.awk: Generate common declarations for all flag
10524 variables in options.c. Output the neg_index field.
10526 * opts.c (find_opt): Moved to ...
10527 * opts-common.c: Here. New file.
10529 * opts.h (cl_option): Add a neg_index field.
10531 (prune_options): Likewise.
10533 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10535 PR middle-end/27573
10536 * omp-low.c (expand_omp_parallel): Don't assert
10537 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10538 instead search for it.
10541 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10544 2006-05-16 Andreas Schwab <schwab@suse.de>
10546 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10549 2006-05-15 Roger Sayle <roger@eyesopen.com>
10552 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10553 integer constants other than zero are only legitimate on TARGET_64BIT.
10554 <CONST_VECTOR> Only zero vectors are legitimate.
10555 (ix86_cannot_force_const_mem): Integral and vector constants can
10556 always be put in the constant pool.
10558 2006-05-16 DJ Delorie <dj@redhat.com>
10560 * crtstuff.c (__dso_handle): Set section from
10561 TARGET_LBIGCC_SDATA_SECTION if defined.
10562 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10563 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10565 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10568 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10571 2006-05-16 Ben Elliston <bje@au.ibm.com>
10573 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10575 2006-05-15 Per Bothner <per@bothner.com>
10577 * tree.c: (last_annotated_node): Use source_locus typedef.
10578 This permits bootstrapping with --enable-mapped-location.
10580 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10582 PR tree-optimization/26830
10583 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10584 (info_for_ssa_name, current_info_for_ssa_name_age,
10585 blocks_to_update): New variables.
10586 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10587 (clear_ssa_name_info, initialize_flags_in_bb,
10588 mark_block_for_update): New functions.
10589 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10590 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10591 prepare_def_site_for): Use mark_block_for_update.
10592 (mark_def_interesting): Assert that the processed block is marked in
10593 blocks_to_update. Do not take blocks argument.
10594 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10596 (rewrite_update_init_block, rewrite_update_stmt): Only process
10597 blocks with statements to rewrite.
10598 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10599 (update_ssa): Initialize and free blocks_to_update. Do not
10600 clear flags on statements. Do not use blocks bitmap.
10601 * tree.h (SSA_NAME_AUX): Removed.
10602 (struct tree_ssa_name): Removed aux field.
10603 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10605 2006-05-15 Richard Guenther <rguenther@suse.de>
10607 PR tree-optimization/27603
10608 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10609 Do computations in original type.
10611 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10613 * see.c: Code style changes such as redundant paranthesis,
10614 redundant intialization of local variables etc.
10615 (see_main): Declared now as static.
10616 * doc/invoke.texi: Update that -fsee is not enabled by
10619 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10621 * omp-low.c (check_omp_nesting_restrictions): New function.
10622 (scan_omp_1): Call it.
10624 PR middle-end/27416
10625 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10626 construct, return *VAR.
10628 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10630 PR rtl-optimization/27406
10631 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10634 2006-05-14 Roger Sayle <roger@eyesopen.com>
10636 PR rtl-optimization/27538
10637 * combine.c (expand_compound_operation): Call gen_lowpart
10638 before calling simplify_shift_const.
10640 2006-05-14 Roger Sayle <roger@eyesopen.com>
10642 PR rtl-optimization/22563
10643 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10644 a fixed width bitfield, always force the intermediates into psuedos.
10646 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10649 * mkconfig.sh: Use operator = instead of == for test.
10651 2006-05-13 Nick Clifton <nickc@redhat.com>
10653 * dwarf2out.c (dbx_reg_number): Check return value from
10654 LEAF_REG_REMAP and only use it if it is valid.
10655 (multiple_reg_loc_descriptor): Likewise.
10657 2006-05-13 Richard Guenther <rguenther@suse.de>
10659 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10662 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10664 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10665 information attached to non-INSNs such as NOTEs.
10666 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10668 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10670 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10672 * config/s390/s390.md: Adjust comment describing On constraint.
10674 2006-05-11 Jan Hubicka <jh@suse.cz>
10676 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10677 to be output at -O0.
10679 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10681 PR middle-end/27384
10682 * fold-const.c (size_binop): Move sanity check for arguments to
10683 the beginning of the function.
10685 PR middle-end/27488
10686 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10689 2006-05-11 Richard Guenther <rguenther@suse.de>
10691 PR middle-end/27529
10692 * fold-const.c (fold_unary): Handle intermediate conversion
10693 to a pointer type like intermediate conversion to an integer
10694 type in folding of (T1)(T2)var to var.
10695 Match the code to the comment in the final conversion for
10696 (T1)(T2)var to (T1)var regarding to type precision. Rather
10697 than disallow T1 being of pointer type, assert that both T1
10698 and var are of pointer type or not. Make sure not to fall
10699 over the frontends lazyness wrt array to pointer decay though.
10701 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10703 * arm.c (arm_struct_value_rtx): Delete.
10704 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10705 (arm_init_cumulative_args): Always initialize nregs to zero.
10707 2006-05-10 Richard Guenther <rguenther@suse.de>
10709 PR tree-optimization/27532
10710 * tree-object-size.c (plus_expr_object_size): Fix typo.
10712 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10715 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10716 ashrdi_const, ashrdi3): Use a scratch register.
10718 2006-05-10 Richard Guenther <rguenther@suse.de>
10720 PR tree-optimization/27302
10721 * fold-const.c (operand_equal_p): For two comparisons,
10722 try comparison of one comparison code swapped if that yields
10725 2006-05-10 Ben Elliston <bje@au.ibm.com>
10727 * tree-pretty-print.c (pretty_print_string): No need to handle
10728 '\0' as a special character.
10730 * tree.h: Include "hashtab.h".
10731 (iterative_hash_expr): Use hashval_t in its prototype.
10732 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10734 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10737 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10738 (hppa*64*-*-hpux11*): Ditto.
10739 (hppa[12]*-*-hpux11*): Ditto.
10741 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10744 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10746 2006-05-09 Michael Matz <matz@suse.de>
10748 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10749 host_extra_gcc_objs and host_xmake_file.
10750 (<*-*-linux*>): Don't overwrite host_xmake_file.
10751 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10752 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10753 (host_detect_local_cpu): Declare.
10754 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10755 * config/i386/i386.c (override_options): Handle -mtune=native
10757 * config/i386/x-i386: New file.
10758 * config/i386/driver-i386.c: New file.
10759 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10762 2006-05-09 Dirk Mueller <dmueller@suse.de>
10763 Richard Guenther <rguenther@suse.de>
10765 PR middle-end/27498
10766 * fold-const.c (fold_read_from_constant_string): Relax check
10767 for matching types to matching modes.
10769 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10771 PR rtl-optimization/27335
10772 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10775 2006-05-08 Chao-ying Fu <fu@mips.com>
10776 Richard Sandiford <richard@codesourcery.com>
10778 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10779 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10780 * config/mips/mips.md (UNSPEC_SCC): New constant.
10781 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10782 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10783 (mips_emit_compare): Use it.
10784 (mips_expand_vcondv2sf): New function.
10786 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10788 Fix PR tree-optimization/27093
10789 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10790 renaming when they become not-used_alone.
10792 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10794 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10795 relocation and relocation stubs.
10797 2006-05-08 Eric Christopher <echristo@apple.com>
10799 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10802 2006-05-08 Jan Hubicka <jh@suse.cz>
10804 PR middle-end/24561
10805 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10806 unused static functions are needed.
10808 2006-05-08 Roger Sayle <roger@eyesopen.com>
10811 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10812 of a reg_equiv_constant if the result is a legitimate constant.
10814 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10817 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10818 standard 80387 constants, raise the cost to prevent
10819 compress_float_constant() to generate load from memory.
10821 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10823 * config/arm/constraints.md (c): Fix a typo.
10825 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10828 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10831 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10833 (_mm_mwait): Likewise.
10835 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10837 (sse3_monitor): Make it 32bit only.
10838 (sse3_monitor64): New. 64bit monitor.
10840 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10843 * config/i386/i386.c (classify_argument): Skip fields with invalid
10846 2006-05-07 Richard Guenther <rguenther@suse.de>
10848 PR tree-optimization/27409
10849 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10850 Do not try to find zero-sized subvars.
10852 2006-05-07 Richard Guenther <rguenther@suse.de>
10854 PR tree-optimization/27136
10855 * tree-ssa-loop-niter.c (get_val_for): Correct function
10856 comment, assert requirements.
10857 (loop_niter_by_eval): Stop processing if the iterated
10858 value did not simplify.
10860 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10862 * opts.c (flag_see): remove its setting at -O3.
10864 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10866 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10867 * arm/constraints.md: New file.
10868 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10869 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10870 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10871 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10872 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10873 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10874 * arm.md: Include constraints.md.
10875 (thumb_movsi_insn): Use satisfies_constraint_J.
10876 (movhi, movqi): Use satisfies_constraint_I.
10878 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10880 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10881 for atmeg a645 device.
10883 2006-05-06 Richard Guenther <rguenther@suse.de>
10885 PR tree-optimization/27151
10886 * tree-vect-transform.c (vectorizable_condition): Punt on
10887 values that have a different type than the condition.
10889 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10892 * c-parser.c (c_parser_cast_expression): Only insert casts into
10893 hash table if pointer.
10894 * function.c (used_types_insert_helper): Rename from
10896 (used_types_insert): Call used_types_insert_helper.
10897 * function.h (used_types_insert): Accept only one argument.
10899 2006-05-05 David Edelsohn <edesohn@gnu.org>
10901 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10902 scratch with output modifier.
10904 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10907 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10908 with output modifier.
10910 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10913 * config/mips/mips.c (mips_symbolic_address_p): Return true
10914 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10915 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10917 2006-05-04 Richard Guenther <rguenther@suse.de>
10919 PR tree-optimization/14287
10920 PR tree-optimization/14844
10921 PR tree-optimization/19792
10922 PR tree-optimization/21608
10923 PR tree-optimization/27090
10924 * tree-ssa-pre.c (try_combine_conversion): New function.
10925 (compute_avail): After constructing the value-handle
10926 expression, use try_combine_conversion to combine NOP_EXPRs
10927 with previous value-handle expressions and use the result if it
10930 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10932 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10934 2006-05-04 Jan Hubicka <jh@suse.cz>
10936 PR middle-end/25962
10937 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10939 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10941 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10942 that this only matches CONST_INTs. All users changed to VOIDmode
10945 * config/bfin/bfin.c: Include "optabs.h".
10946 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10948 (enum bfin_builtins): Add a number of fractional and vector builtins.
10949 (bfin_init_builtins): Likewise.
10950 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10951 (safe_vector_operand, bfin_expand_binop_builtin,
10952 bfin_expand_unop_builtin): New functions.
10953 (bfin_expand_builtin): Handle the new builtins.
10954 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10957 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10960 * Makefile.in (OBJS-common): Add see.o.
10961 (see.o): Add dependencies.
10962 * common.opt (fsee): New flag for the see optimization was added.
10963 * opts.c (flag_see): Initialized.
10964 * passes.c (init_optimization_passes, pass_see): New pass.
10965 * rtl.h (see_main): Declaration as extern.
10966 * timevar.def (TV_SEE): New.
10967 * tree-pass.h (pass_see): Declaration as extern.
10968 * invoke.texi (-fsee): Document.
10969 * recog.c (validate_simplify_insn): New function.
10970 * recog.h (validate_simplify_insn): Declaration as extern.
10971 * df-problems.c (df_chain_dump): Check for NULL.
10973 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10974 Daniel Berlin <dberlin@dberlin.org>
10976 * cfgrtl.c (insert_insn_bb_end_new): New function.
10977 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10979 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10981 * df.h (struct web_entry): Moved from web.c.
10982 (union_defs): Declaration as extern.
10983 (unionfind_root): Likewise.
10984 (unionfind_union): Likewise.
10985 * web.c (struct web_entry): Moved to df.h.
10986 (unionfind_root): Remove static declaration.
10987 (unionfind_union): Likewise.
10988 (union_defs): Likewise and generalize to use callback function.
10989 (web_main): Update arguments for union_defs function call.
10991 2006-05-04 Richard Guenther <rguenther@suse.de>
10993 PR tree-optimization/26447
10994 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10995 produce SSA_NAME copies before the store stmt to avoid
10996 breaking exception handling.
10998 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11000 PR middle-end/27388
11001 * gimplify.c (omp_is_private): If var is shared in some outer context,
11002 return false instead of true. Stop searching on parallel context
11005 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11008 * coverage.c: Use get_gcov_unsigned_t() instead of
11009 unsigned_type_node all over.
11011 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11013 PR tree-optimization/27381
11014 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11015 maintain the same immediate_use links.
11016 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11017 node rather than segfaulting.
11019 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11022 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11023 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11024 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11026 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11028 Fix PR tree-optimization/26626
11029 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11031 * tree-ssa-operands.c (access_can_touch_variable): Allow
11032 typecasting through union pointers.
11034 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11037 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11038 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11039 to find if var will be a global variable even in the nested context.
11040 (omp_copy_decl): Only check for global variable at the end, it might
11041 be overridden in outer contexts.
11042 (scan_sharing_clauses): For global variables don't create a field.
11043 (lower_rec_input_clauses): Do nothing for global shared variables.
11044 Emit a barrier at the end of ILIST if there were any decls in both
11045 firstprivate and lastprivate clauses.
11046 (lower_send_clauses): Do nothing for global variables except for
11049 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11051 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11052 of the correct signedness is returned.
11054 2006-05-02 Jeff Law <law@redhat.com>
11056 PR tree-optimization/27364
11057 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11058 multiply expressions.
11060 2006-05-02 Tom Tromey <tromey@redhat.com>
11062 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11064 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11067 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11068 -mthumb -fPIC are used.
11070 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11071 Joshua Kinard <kumba@gentoo.org>
11074 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11075 with 64-bit pointers.
11077 2006-05-02 Paul Brook <paul@codesourcery.com>
11079 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11081 (create_fix_barrier): Check that a suitable barrier location is
11083 (arm_reorg): Include ftmp->address in allowable range of addresses.
11085 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11088 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11091 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11093 PR middle-end/27337
11094 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11095 around RESULT_DECL for result passed by reference.
11096 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11097 * omp-low.c (use_pointer_for_field): Don't look at
11098 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11099 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11100 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11101 time or var for passing by reference for
11102 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11103 TREE_ADDRESSABLE variables when passing by reference.
11105 * omp-low.c (dump_omp_region): Fix output formatting.
11107 PR middle-end/27328
11108 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11109 (expand_omp_parallel): Likewise.
11110 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11112 PR middle-end/27325
11113 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11114 on statement list containing also constructors and destructors.
11115 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11117 PR middle-end/27310
11118 * except.c (duplicate_eh_regions): Fix clearing of
11119 cfun->eh->region_array entries.
11121 2006-05-01 DJ Delorie <dj@redhat.com>
11123 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11125 (gcc_cv_objdump): Likewise.
11126 * configure: Regenerated.
11128 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11131 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11132 templates for case 3 and 4.
11134 2006-05-01 DJ Delorie <dj@redhat.com>
11136 * vec.c: Include bconfig.h when appropriate.
11137 * Makefile.in (build/vec.o): Adjust dependencies.
11138 * mkconfig.sh: Make sure config.h isn't used for build machine
11141 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11143 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11145 (mark_phi_for_rewrite): New function.
11146 (insert_phi_nodes_for, mark_use_interesting): Call
11147 mark_phi_for_rewrite.
11148 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11149 (update_ssa): Initialize and free phis_to_rewrite.
11151 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11153 PR rtl-optimization/27291
11154 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11155 folded to a constant.
11157 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11159 PR tree-optimization/27283
11160 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11161 not whole # of iteration descriptions.
11162 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11163 uses abnormal ssa name.
11164 (niter_for_single_dom_exit): Ditto.
11165 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11166 return just the number of iterations.
11168 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11170 PR tree-optimization/27144
11171 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11172 (record_estimate): Only record constant upper bound.
11173 (infer_loop_bounds_from_undefined): Call
11174 compute_estimated_nb_iterations just once.
11175 (proved_non_wrapping_p): Renamed to ...
11176 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11177 (convert_step_widening, scev_probably_wraps_p): Call
11178 n_of_executions_at_most instead of proved_non_wrapping_p.
11179 (substitute_in_loop_info): Do not replace values in bounds.
11180 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11183 2006-05-01 Richard Henderson <rth@redhat.com>
11186 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11187 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11190 2006-05-01 Roger Sayle <roger@eyesopen.com>
11192 * c-typeck.c (parser_build_binary_op): Don't call the function
11193 unsigned_conversion_warning to spot operand/result type overflow.
11194 (build_binary_op): Instead, call convert_and_check instead of
11195 convert to report the problem when the operands are promoted.
11196 * c-common.c (unsigned_conversion_warning): Make static.
11197 * c-common.h (unsigned_conversion_warning): Delete prototype.
11199 2006-05-01 Richard Guenther <rguenther@suse.de>
11201 PR tree-optimization/26726
11202 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11204 (find_interesting_uses_address): ... we work around here
11205 by folding INDIRECT_REFs in the substituted base.
11207 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11209 * omp-low.c (dump_omp_region): Add newlines.
11211 2006-04-30 Roger Sayle <roger@eyesopen.com>
11213 * common.opt (Woverflow): New command line option.
11214 * c-common.c (constant_expression_warning): Check warn_overflow.
11215 (overflow_waring): Pass OPT_Woverflow to warning.
11216 (unsigned_conversion_warning): Likewise.
11217 (convert_and_check): Likewise.
11218 * doc/invoke.texi: Document new command line option.
11220 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11222 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11223 TARGET_NO_FP_IN_TOC for section anchors.
11224 (optimization_options): Enable section anchors for all
11225 non-"Objective" languages.
11227 2006-04-28 Eric Christopher <echristo@apple.com>
11229 * config/darwin-c.c (darwin_ms_struct): Move this
11230 (darwin_set_default_type_attributes): and this...
11231 * config/darwin.c: ... here.
11232 * config/darwin.h (darwin_ms_struct): Declare.
11234 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11236 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11238 2006-04-28 Roger Sayle <roger@eyesopen.com>
11241 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11242 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11243 an unsigned HOST_WIDE_INT.
11244 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11246 (really_start_incremental_init): No need to call convert because
11247 bitsize_zero_node is already of type bitsizetype.
11248 (push_init_level): Extract the value of constructor_index as an
11249 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11250 (process_init_element): Likewise.
11252 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11254 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11255 value before passing to make_relative_prefix.
11257 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11259 PR middle-end/27260
11260 * builtins.c (expand_builtin_memset): Expand val in original mode.
11262 2006-04-27 Eric Christopher <echristo@apple.com>
11264 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11265 with #ifndef/#endif.
11266 * config/darwin-c.c (darwin_ms_struct): New.
11267 (darwin_pragma_ms_struct): Ditto.
11268 (darwin_set_default_type_attributes): Ditto.
11269 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11270 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11271 Register ms_struct pragma.
11272 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11273 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11274 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11275 darwin_set_default_type_attributes if TARGET_MACHO.
11277 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11279 PR tree-optimization/26854
11280 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11281 * doc/tree-ssa.texi: Update immuse iterator documentation.
11282 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11283 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11284 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11285 first_safe_imm_use, next_safe_imm_use): Remove.
11286 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11287 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11288 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11289 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11290 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11291 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11292 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11293 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11294 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11295 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11296 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11297 (perfect_nestify): Use new iterator.
11298 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11300 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11301 (next_imm_name): New field in struct immediate_use_iterator_d.
11302 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11303 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11304 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11305 * tree-cfg.c (replace_uses_by): Use new iterator.
11306 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11307 * tree-ssa-operands.c (correct_use_link): Remove.
11308 (finalize_ssa_use_ops): No longer call correct_use_link.
11310 2006-04-27 Stuart Hastings <stuart@apple.com>
11312 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11313 * config/t-darwin (crt3.o): Use it.
11314 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11315 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11316 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11317 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11318 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11321 2006-04-27 Roger Sayle <roger@eyesopen.com>
11323 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11324 size, force the intermediate into a new pseudo rather instead of
11325 performing both a bitwise AND and a bitwise IOR in memory.
11327 2006-04-27 Richard Guenther <rguenther@suse.de>
11329 PR rtl-optimization/26685
11330 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11331 this one "max-flow-memory-locations".
11333 2006-04-27 Richard Guenther <rguenther@suse.de>
11335 PR tree-optimization/25148
11336 * tree-vrp.c (compare_values): Remove code dealing with
11337 comparisons against type min/max value. Honour overflow
11338 and negative constants in code dealing with comparisons
11339 of plus and minus expressions.
11340 (value_inside_range): Use fold_binary with LE_EXPR and
11341 GE_EXPR rather than compare_values.
11343 2006-04-27 Dirk Mueller <dmueller@suse.de>
11345 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11348 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11350 * basic-block.h (safe_insert_insn_on_edge): Removed.
11351 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11353 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11354 Paolo Bonzini <bonzini@gnu.org>
11356 PR middle-end/27282
11357 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11358 (simplify_and_const_int): Same.
11360 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11362 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11364 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11367 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11368 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11369 cgraph_global_info_ready.
11371 PR middle-end/26913
11372 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11375 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11376 either decl or init is error_mark_node.
11378 PR middle-end/25989
11379 * tree-flow.h (struct omp_region): Add sched_kind.
11380 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11381 instead of extracting omp for data.
11382 (expand_omp_for): Save extracted sched_kind.
11384 2006-04-25 Roger Sayle <roger@eyesopen.com>
11386 * expmed.c (store_bit_field): Also check whether the bitsize is
11387 valid for the machine's "insv" instruction before moving the
11388 target into a pseudo for use with the insv.
11389 * config/i386/predicates.md (const8_operand): New predicate.
11390 * config/i386/i386.md (extv, extzv, insv): Use the new
11391 const8_operand predicate where appropriate.
11393 2006-04-25 DJ Delorie <dj@redhat.com>
11395 * doc/install.texi (Specific): Clarify that this is not a list of
11396 supported hosts or targets.
11398 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11400 PR rtl-optimization/26725
11401 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11402 block's BB_DIRTY flag.
11404 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11406 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11409 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11410 to print an integer.
11412 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11414 * varasm.c (align_variable): New function.
11415 (get_block_for_decl): Apply align_variable to DECL before
11416 calculating section information.
11417 (assemble_variable): Split out alignment computation.
11419 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11421 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11424 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11426 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11427 MODE_PARTIAL_INT mode.
11428 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11429 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11431 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11432 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11434 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11436 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11438 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11439 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11440 MACFLAG_IH): Likewise.
11441 (movstricthi_1): Renamed from "*movstricthi".
11442 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11443 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11444 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11445 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11446 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11447 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11448 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11449 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11450 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11451 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11452 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11453 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11454 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11455 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11456 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11458 * doc/rtl.texi (ss_ashift): Improve wording.
11460 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11462 * dwarf2out.c (verify_marks_clear): New.
11463 (prune_unused_types): Call verify_marks_clear initially, not
11466 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11468 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11469 * doc/rtl.texi: Document them.
11470 * simplify-rtx.c (simplify_unary_operation,
11471 simplify_binary_operation_1): Don't abort when we see them.
11473 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11476 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11477 * configure.ac: Completely disregard languages that are not
11479 * configure: Regenerated.
11481 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11482 Richard Guenther <rguenther@suse.de>
11484 PR tree-optimization/27236
11485 * tree-inline.c (copy_body_r): Make sure to copy
11486 TREE_THIS_VOLATILE flag.
11488 2006-04-24 Richard Guenther <rguenther@suse.de>
11490 PR middle-end/26869
11491 * tree-complex.c (update_parameter_components): Don't handle
11492 unused parameters which have no default def.
11494 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11495 Richard Guenther <rguenther@suse.de>
11497 PR tree-optimization/27218
11498 * tree-inline.c (expand_call_inline): Strip useless type
11499 conversions for the return slot address.
11501 2006-04-24 Richard Guenther <rguenther@suse.de>
11503 * cfgloop.h (struct loops): Remove unused field array. Reorder
11505 (LOOP_PREFETCH): Remove.
11507 2006-04-24 Richard Guenther <rguenther@suse.de>
11509 PR tree-optimization/22525
11510 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11511 variable, adjust types of generated expressions.
11513 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11515 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11516 (tree-vect-patterns.o): Likewise.
11517 (jump.o): Likewise.
11518 (cselib.o): Likewise.
11519 (loop-doloop.o): Likewise.
11520 (regclass.o): Likewise.
11521 (reload1.o): Likewise.
11522 (explow.o): Replace target.h with $(TARGET_H).
11523 (ipa-prop.o): Likewise.
11524 (ipa-cp.o): Likewise.
11525 (ipa-inline.o): Likewise.
11526 (reorg.o): Likewise.
11527 (reg-stack.o): Likewise.
11529 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11531 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11533 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11535 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11537 * configure.ac: Completely disregard languages that are not
11539 * configure: Regenerated.
11542 * c-common.h (c_build_bitfield_integer_type): Declare.
11543 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11544 * c-common.c (c_build_bitfield_integer_type): ... here.
11546 2006-04-23 Roger Sayle <roger@eyesopen.com>
11549 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11550 a SImode SUBREG of a floating point register after no_new_pseudos.
11552 2006-04-23 Roger Sayle <roger@eyesopen.com>
11554 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11555 identify potentially eliminable registers to additionally catch
11556 VIRTUAL_INCOMING_ARGS_REGNUM.
11557 (addsi3): Update the conditions on when to use addsi_small_int.
11559 2006-04-23 Roger Sayle <roger@eyesopen.com>
11562 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11563 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11564 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11566 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11568 * fold-const.c (range_predecessor): Use operand_equal_p
11569 as the predicate for equality.
11570 (range_successor): Likewise.
11572 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11575 * config/soft-fp/op-common.h: Fix a typo.
11577 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11579 PR libmudflap/26864
11580 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11581 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11583 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11585 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11587 * doc/tm.texi: Fix a typo.
11589 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11591 * dwarf2out.c (struct die_struct): Document that die_sib makes
11592 a circular linked list.
11593 (FOR_EACH_CHILD): New.
11594 (reverse_die_lists): Delete.
11595 (reverse_all_dies): Delete.
11596 (add_dwarf_attr): Correct documentation.
11597 (remove_child_with_prev): New.
11598 (remove_child_TAG): Update for change to die_struct, use
11599 remove_child_with_prev.
11600 (add_child_die): Update for change to die_struct.
11601 (splice_child_die): Use remove_child_with_prev and add_child_die.
11602 (print_die): Use FOR_EACH_CHILD.
11603 (die_checksum): Likewise.
11604 (assign_symbol_names): Likewise.
11605 (output_location_lists): Likewise.
11606 (build_abbrev_table): Likewise.
11607 (calc_die_sizes): Likewise.
11608 (mark_dies): Likewise.
11609 (unmark_dies): Likewise.
11610 (unmark_all_dies): Likewise.
11611 (output_die): Likewise.
11612 (prune_unused_types_mark): Likewise.
11613 (prune_unused_types_walk): Likewise.
11614 (same_die_p): Update for change to die_struct.
11615 (break_out_includes): Likewise.
11616 (prune_unused_types_prune): Likewise.
11617 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11618 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11619 it's already clear.
11620 (dwarf2out_finish): Don't call reverse_all_dies.
11622 2006-04-21 Eric Christopher <echristo@apple.com>
11624 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11625 in comments and function names.
11627 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11630 * c-typeck.c (digest_init): Robustify.
11632 * c-typeck.c (pop_init_level): Simplify.
11634 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11636 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11638 2006-04-21 Paul Brook <paul@codesourcery.com>
11640 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11641 hardware floating point.
11643 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11645 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11648 2006-04-21 Nick Clifton <nickc@redhat.com>
11650 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11653 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11656 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11657 C++ lang type in traceback table for Objective-C++.
11659 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11661 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11663 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11665 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11668 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11669 were errors. Remove check for erroneous objects.
11671 2006-04-20 Jeff Law <law@redhat.com>
11673 PR tree-optimization/26854
11674 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11675 checking for zero or one use.
11676 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11677 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11678 * tree-ssa-reassoc.c (negate_value): Similarly.
11679 (reassociate_bb): Similarly.
11681 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11683 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11684 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11685 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11687 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11689 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11690 fp regs if the last fp arg doesn't fit in regs.
11692 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11695 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11696 that the last insn has the REG_INC note.
11698 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11699 Nathan Sidwell <nathan@codesourcery.com>
11702 * stor-layout.c (update_alignment_for_field): Do not align
11704 (place_union_field): Place union field at the start of the union.
11705 (place_field): Move ERROR_MARK check later, and use the current
11706 allocation position to maintain monotonicity.
11708 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11710 * dominance.c: Include timevar.h.
11711 (calculate_dominance_info): Use TV_DOMINANCE.
11712 * timevar.def (TV_DOMINANCE): New timevar.
11713 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11715 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11717 PR rtl-optimization/14261
11718 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11719 move would be an INSV insn.
11720 (noce_process_if_block): Don't optimize if the destination is a
11721 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11723 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11725 * config/s390/s390.md: Add comments with the instructions emitted
11726 by an insn pattern if macros are used.
11728 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11730 PR rtl-optimization/26026
11731 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11732 is a known power of two shifted left a variable amount.
11734 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11736 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11737 to hash table twice when the debug_str section has SECTION_MERGE.
11739 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11741 * config/soft-fp: New directory. From glibc.
11742 * config/soft-fp/t-softfp: New.
11743 * config/soft-fp/README: New.
11744 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11745 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11746 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11747 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11748 * config.gcc: Use rs6000/t-fprules-fpbit or
11749 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11751 * config/rs6000/sfp-machine.h: New. Based on glibc.
11752 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11754 * config/rs6000/t-fprules: Remove fp-bit rules.
11755 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11756 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11757 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11758 (softfp_wrap_start, softfp_wrap_end): New.
11760 2006-04-18 DJ Delorie <dj@redhat.com>
11762 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11764 2006-04-18 Devang Patel <dpatel@apple.com>
11766 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11768 2006-04-18 Nick Clifton <nickc@redhat.com>
11770 * config/sh/t-symbian: Add rule to build sh-c.o
11771 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11772 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11773 (sh_symbian_encode_section_info): Likewise.
11775 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11777 * builtins.c (expand_builtin_strcmp): Cover label definition of
11778 do_libcall with HAVE_cmpstrnsi.
11780 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11782 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11784 * function.h (temp_slot_p): New.
11785 (function): Change the type of x_used_temp_slots to
11786 VEC(temp_slot_p,gc) *.
11788 2006-04-18 Nick Clifton <nickc@redhat.com>
11790 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11791 flag_strength_reduce.
11793 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11795 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11799 Partial revert of revision 112637
11800 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11801 Dale Johannesen <dalej@apple.com>
11804 * regclass.c (struct reg_pref): Update documentation.
11805 (regclass): Set prefclass to NO_REGS if memory is the best option.
11806 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11808 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11810 PR tree-optimization/26821
11811 * tree-ssa-math-opts.c (get_constant_one): New.
11812 (insert_reciprocals): Use it.
11814 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11816 * dwarf2out.c (free_AT): Delete.
11817 (remove_AT): Update string ref counts.
11818 (remove_child_TAG): Don't call free_die.
11819 (free_die): Delete.
11820 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11821 or DW_TAG_GNU_EINCL.
11822 (prune_unused_types_walk_attribs): Reset string refcounts.
11823 (prune_unused_types_update_strings): New.
11824 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11825 call free_die. Do call prune_unused_types_update_strings.
11826 (prune_unused_types): Empty debug_str_hash.
11828 2006-04-17 Roger Sayle <roger@eyesopen.com>
11830 * expr.c (expand_assignment): Optimize away no-op moves where the
11831 source and destination are equal and have no side-effects.
11833 2006-04-17 Richard Guenther <rguenther@suse.de>
11836 * reload.c (push_reload): Guard calls to get_secondary_mem
11837 for memory subregs.
11839 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11841 * alias.c (reg_base_value, old_reg_base_value): Change the
11842 type to VEC(rtx,gc) *.
11843 (REG_BASE_VALUE, find_base_value, record_set,
11844 init_alias_analysis): Use VEC instead of VARRAY.
11846 * alias.c (alias_sets): Change the type to
11847 VEC(alias_set_entry,gc) *.
11848 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11849 VEC instead of VARRAY.
11850 (last_alias_set): Remove.
11852 * cgraph.h (cgraph_edge_p): New.
11853 Update the prototype of cgraph_function_versioning.
11854 * cgraphunit.c (cgraph_copy_node_for_versioning,
11855 cgraph_function_versioning): Use VEC instead of VARRAY.
11856 * ipa-cp.c (ipcp_insert_stage): Likewise.
11858 2006-04-16 Roger Sayle <roger@eyesopen.com>
11861 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11862 "A op B" or "A op C", we may need to convert A to the type of B and C.
11864 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11866 * target.h (struct gcc_target): Add mode_rep_extended.
11867 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11868 (init_num_sign_bit_copies_in_rep): Initialize it using
11870 (truncate_to_mode): Use it.
11871 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11872 * targhooks.h (default_mode_rep_extended): Declare it.
11873 * targhooks.c (default_mode_rep_extended): Define it.
11874 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11875 default_mode_rep_extended.
11876 (TARGET_INITIALIZER): Include it.
11877 * doc/tm.texi (Misc): Document it.
11878 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11879 (mips_truncated_to_mode): New function.
11881 2006-04-16 Roger Sayle <roger@eyesopen.com>
11883 PR middle-end/25474
11884 * expr.c (compress_float_constant): Copy the narrow constant into
11885 a new pseudo before extending it to its final width.
11887 2006-04-16 Roger Sayle <roger@eyesopen.com>
11888 Andrew Pinski <pinskia@gcc.gnu.org>
11889 Dale Johannesen <dalej@apple.com>
11892 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11893 special case code to implement V8HImode and V16QImode with SSE2.
11895 2006-04-15 Roger Sayle <roger@eyesopen.com>
11897 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11898 trees are constructed with a suitable tree type.
11900 2006-04-15 Roger Sayle <roger@eyesopen.com>
11902 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11903 (integer_onep): Likewise.
11904 (integer_all_onesp): Likewise.
11905 (integer_pow2p): Likewise.
11906 (integer_nonzerop): Likewise.
11907 (real_zerop): Likewise.
11908 (real_onep): Likewise.
11909 (real_twop): Likewise.
11910 (real_minus_onep): Likewise.
11911 (int_size_in_bytes): Likewise.
11912 (host_integerp): Likewise.
11914 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11916 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11917 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11918 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11920 * tree-ssa-structalias.h (alias_info): Remove num_references.
11922 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11924 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11925 (output_bvb patterns): Likewise.
11926 * pa.c (output_bb): Use 'bb' insn for long branch case.
11927 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11928 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11929 1. Correct length operand for alternatives 1 and 2.
11930 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11931 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11933 2006-04-14 Roger Sayle <roger@eyesopen.com>
11935 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11936 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11937 were accidentally reverted by r112959.
11939 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11941 PR middle-end/26823
11942 * except.h (eh_region_outermost): New prototype.
11943 * except.c (eh_region_outermost): New function.
11944 * tree-cfg.c (find_outermost_region_in_block): Use it.
11946 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11948 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11950 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11951 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11952 (init_reload, reload): Use VEC instead of VARRAY.
11953 * reload.h: Update the prototype for
11954 reg_equiv_memory_loc_varray.
11956 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11957 Eric Botcazou <ebotcazou@libertysurf.fr>
11959 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11960 register save area.
11962 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11964 PR middle-end/27134
11965 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11966 to expand fallback builtin function call.
11968 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11970 PR middle-end/27095
11971 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11972 and emit libcall here in case the builtin fails.
11973 (expand_builtin_strcmp): Always emit the libcall here on failure.
11975 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11977 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11978 * flow.c (reg_n_info): Change the type to
11979 VEC(reg_info_p,heap) *.
11980 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11982 * regs.h (reg_info_p): New.
11983 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11984 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11985 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11988 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11990 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11992 * params.h (MAX_SCHED_READY_INSNS): New macro.
11993 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11994 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11995 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11996 the ready list for 1 cycle during the first scheduling pass.
11997 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11999 2006-04-13 Richard Henderson <rth@redhat.com>
12002 * gimple-low.c (lower_omp_directive): Remove dead code.
12003 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12004 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12005 * omp-low.c (struct omp_region): Move to tree-flow.h.
12006 (root_omp_region): Export.
12007 (omp_regions, lookup_omp_region): Remove.
12008 (determine_parallel_type): Update for struct omp_region changes.
12009 (dump_omp_region): Dump regions with block numbers.
12010 (new_omp_region): Take type and block instead of stmt; malloc
12012 (free_omp_region_1, free_omp_regions): New.
12013 (expand_parallel_call): Take entry_stmt as argument; update for
12014 changes to omp_region.
12015 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12016 (remove_exit_barriers): New.
12017 (expand_omp_parallel): Update for struct omp_region changes.
12018 (expand_omp_synch): Likewise.
12019 (expand_omp): Likewise.
12020 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12021 (expand_omp_for_static_chunk): Likewise.
12022 (expand_omp_for): Likewise.
12023 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12024 (expand_omp_sections): Similarly, with GOMP_sections_end.
12025 (expand_omp_single): New.
12026 (build_omp_regions_1): Update for OMP_CONTINUE.
12027 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12028 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12029 OMP_SECTIONS_SECTIONS.
12030 (lower_omp_single_simple): Don't emit barrier here.
12031 (lower_omp_single_copy): Likewise.
12032 (lower_omp_single): Fix bindings, and lower to straightline now.
12033 (lower_omp_master, lower_omp_ordered): Likewise.
12034 (lower_omp_critical): Likewise.
12035 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12036 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12037 omp edges, free it afterward.
12038 (make_omp_sections_edges): Remove.
12039 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12040 (move_stmt_r): Handle OMP_CONTINUE.
12041 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12042 statement pointers to basic blocks. Add type member.
12043 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12044 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12045 * tree-inline.c (estimate_num_insns_1): Likewise.
12046 * tree-pretty-print.c (dump_generic_node): Likewise.
12047 * tree-ssa-operands.c (get_expr_operands): Likewise.
12048 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12049 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12050 (OMP_CONTINUE): New.
12051 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12052 (OMP_SECTIONS_SECTIONS): Remove.
12053 (OMP_SECTION_LAST): New.
12054 (OMP_RETURN_NOWAIT): New.
12056 2006-04-13 Roger Sayle <roger@eyesopen.com>
12058 * fold-const.c (native_encode_vector, native_interpret_real):
12059 Correct obvious mistakes in the previous check-in.
12061 2006-04-13 Roger Sayle <roger@eyesopen.com>
12063 * fold-const.c (native_encode_expr): New function to encode
12064 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12065 or VECTOR_CST into a specified buffer.
12066 (native_encode_int): New function.
12067 (native_encode_real): New function.
12068 (native_encode_complex): New function.
12069 (native_encode_vector): New function.
12070 (native_interpret_expr): Inverse of native_encode_expr to convert
12071 a target representation into an INTEGER_CST, REAL_CST etc...
12072 (native_interpret_int): New function.
12073 (native_interpret_real): New function.
12074 (native_interpret_complex): New function.
12075 (native_interpret_vector): New function.
12076 (fold_view_convert_expr): New function to constant fold/evaluate
12077 a VIEW_CONVERT_EXPR of a suitable constant expression.
12078 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12079 Change call of build1 to fold_build1 when constructing a
12082 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12083 Ulrich Weigand <uweigand@de.ibm.com>
12086 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12089 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12092 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12093 optimize to lo_sum for DFmode if !TARGET_FPRS.
12095 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12097 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12098 delete_alias_info, compute_flow_sensitive_aliasing,
12099 group_aliases): Use VEC instead of VARRAY.
12100 * tree-ssa-structalias.c (update_alias_info): Likewise.
12101 * tree-ssa-structalias.h (alias_info): Change the type of
12102 processed_ptrs to VEC(tree,heap) *.
12104 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12107 * config/sh/lib1funcs.h: New file, broken out of:
12108 * config/sh/lib1funcs.asm.
12109 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12111 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12112 * config/sh/lib1funcs-Os-4-200.asm: New file.
12113 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12114 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12115 (EXTRA_MULTILIB_PARTS): Include it.
12116 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12117 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12118 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12119 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12122 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12124 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12125 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12126 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12128 * tree-ssa-live.h: Include vecprim.h.
12129 (tree_partition_associator_d): Change the type of
12130 first_partition to VEC(int,heap) *.
12131 (tpa_first_partition): Use VEC instead of VARRAY.
12133 * Makefile.in (GTFILES): Move functions.h after tree.h.
12134 * function.c (reset_block_changes, record_block_change,
12135 check_block_change, free_block_changes): Use VEC instead of
12137 * function.h (function): Change the type of
12138 ib_boundaries_block to VEC(tree,gc) *.
12139 * tree-inline.c (copy_cfg_body): Initialize
12140 ib_boundaries_block to NULL instead of (varray_type) 0.
12142 2006-04-12 Roger Sayle <roger@eyesopen.com>
12144 * expr.c (emit_group_store): Correct operand order in call to
12145 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12146 a SUBREG_BYTE of zero.
12148 2006-04-12 Richard Guenther <rguenther@suse.de>
12150 * profile.c (compute_branch_probabilities): Remove code
12151 encapsulated in !ir_type (), which are remanents of the
12152 removed RTL profiling code.
12153 * rtl-profile.c: Remove.
12155 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12157 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12158 magic NULL_RTX comment.
12159 (function_arg): Store entire fp arg to mem if any part should go
12161 (rs6000_arg_partial_bytes): Adjust for above change.
12163 2006-04-11 Roger Sayle <roger@eyesopen.com>
12165 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12166 if it hasn't been initialized by dwarf2out_init.
12168 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12170 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12171 symbolic constants in branch patterns.
12173 2006-04-11 Roger Sayle <roger@eyesopen.com>
12175 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12177 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12179 PR rtl-optimization/27073
12180 * gcse.c (try_replace_reg): Revert last change. Continue to search
12181 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12184 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12186 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12187 aggregate types other than record and union types.
12188 (function_arg): Likewise.
12189 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12191 (function_value): In 64-bit mode, return objects that require it
12194 2006-04-11 Roger Sayle <roger@eyesopen.com>
12196 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12198 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12200 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12202 2006-04-03 Jeff Law <law@redhat.com>
12205 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12206 alias information too.
12208 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12210 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12212 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12215 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12216 (premark_used_types_helper): New.
12217 (premark_used_types): New.
12218 (gen_subprogram_die): Call premark_used_types.
12219 (prune_unused_types_walk): Do not prune perennial dies.
12220 * function.c (used_types_insert): New.
12221 * function.h (struct function): Add used_types_hash field.
12222 (used_types_insert): Add prototype.
12223 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12224 * c-parser.c (c_parser_cast_expression): Save casted types in used
12227 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12230 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12231 rs6000_explicit_options.float_gprs.
12233 2006-04-10 Roger Sayle <roger@eyesopen.com>
12235 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12236 from ix86_expand_vector_init_low_nonzero. Take an additional
12237 one_var argument indicating which element is non-zero. Support
12238 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12239 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12240 with one_var instead of ix86_expand_vector_init_low_nonzero.
12242 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12244 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12245 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12246 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12247 build/genextract.o): Depend on vecprim.h.
12248 * cfglayout.c, df-problems.c, function.c, genextract.c,
12249 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12250 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12254 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12256 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12257 Declare VECs of this type.
12258 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12259 (remove_children): Delete.
12260 (add_dwarf_attr): Use VEC routines.
12261 (add_AT_flag): Update for changes to add_dwarf_attr.
12262 (add_AT_int): Likewise.
12263 (add_AT_unsigned): Likewise.
12264 (add_AT_long_long): Likewise.
12265 (add_AT_vec): Likewise.
12266 (add_AT_string): Likewise.
12267 (add_AT_die_ref): Likewise.
12268 (add_AT_fde_ref): Likewise.
12269 (add_AT_loc): Likewise.
12270 (add_AT_loc_list): Likewise.
12271 (add_AT_addr): Likewise.
12272 (add_AT_lbl_id): Likewise.
12273 (add_AT_lineptr): Likewise.
12274 (add_AT_macptr): Likewise.
12275 (add_AT_offset): Likewise.
12276 (add_AT_range_list): Likewise.
12277 (get_AT): Use VEC_iterate.
12278 (remove_AT): Use VEC_ordered_remove.
12279 (free_die): Fold remove_children into here; have it use VEC_iterate.
12280 (print_die): Use VEC_iterate on attrs.
12281 (reverse_die_lists): Don't reverse attr lists.
12282 (die_checksum): Use VEC_iterate on attrs.
12283 (same_die_p): Likewise.
12284 (output_location_lists): Likewise.
12285 (build_abbrev_table): Likewise.
12286 (size_of_die): Likewise.
12287 (unmark_all_dies): Likewise.
12288 (output_abbrev_section): Likewise.
12289 (output_die): Likewise.
12290 (prune_unused_types_walk_attribs): Likewise.
12292 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12294 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12296 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12299 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12301 2006-04-09 Roger Sayle <roger@eyesopen.com>
12303 * expr.c (store_constructor): Don't bother clearing target if
12304 we're about to assign a vector to it using vec_init_optab.
12306 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12308 * tree-ssa-alias.c (lhs_may_store_to): New function.
12309 (recalculate_used_alone): Handle LHS of calls.
12311 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12315 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12316 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12317 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12318 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12319 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12320 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12321 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12322 stubs. Add ".align 8" directives before all ".dword" directives.
12323 (GTHREAD_USE_WEAK): Revise comment.
12324 (TARGET_ATTRIBUTE_WEAK): Define.
12325 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12326 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12327 * stublib.c: New file.
12332 * pa.md (cbranch patterns): Revise arguments used in calls to
12333 output_cbranch, output_bb and output_bvd. Add long branch length
12335 (fbranch patterns): Handle long branches.
12336 (jump): Revise length check. Revise arguments for output_lbranch call.
12337 Add long branch length attributes.
12338 (decrement_and_branch_until_zero): Add long branch length attributes.
12339 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12340 Likewise. Revise arguments for output_parallel_addb and
12341 output_parallel_movb calls.
12342 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12343 output_parallel_movb and output_parallel_addb): Update prototypes.
12344 * pa.c (output_cbranch): Revise arguments. Correct handling of
12345 nullification in long branches.
12346 (output_lbranch): Add new argument to control extraction of delay
12348 (output_bb): Handle long branches.
12349 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12350 output_parallel_addb): Likewise.
12352 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12354 PR rtl-optimization/27073
12355 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12358 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12360 * tree.h (tree_memory_tag): Add old_used_alone.
12361 (SMT_OLD_USED_ALONE): New macro.
12362 * tree-ssa-alias.c (recalculate_used_alone): Stop
12363 marking things for renaming unnecessarily.
12365 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12367 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12368 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12369 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12370 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12371 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12372 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12373 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12374 spelling convensions.
12375 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12376 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12377 typos. Follow spelling conventions.
12379 2006-04-07 DJ Delorie <dj@redhat.com>
12381 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12382 passed on the stack.
12383 (m32c_init_cumulative_args): When a function returns a structure,
12384 always pass the pointer to that return area on the stack.
12385 (m32c_function_arg_advance): Don't increment the parameter number
12386 if we're processing the returned structure pointer.
12387 (pushm_info): Reverse order of registers.
12389 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12391 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12392 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12393 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12394 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12395 build_int_cst_type.
12396 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12397 chrec_fold_multiply): Same.
12398 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12399 force_expr_to_var_cost): Same.
12400 * tree-mudflap.c (mf_xform_derefs_1): Same.
12401 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12403 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12405 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12406 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12409 2006-04-07 Jan Hubicka <jh@suse.cz>
12411 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12413 2006-04-07 Richard Guenther <rguenther@suse.de>
12415 PR tree-optimization/26135
12416 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12417 loads for store copy-prop.
12418 (copy_prop_visit_stmt): Likewise.
12420 2006-04-05 Robert Millan <robertmh@gnu.org>
12422 * config/i386/linux.h: Add a comment to mark macros that are
12423 being overriden in config/k*bsd-gnu.h.
12424 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12426 * config/knetbsd-gnu.h: Ditto.
12428 2006-04-06 Jan Hubicka <jh@suse.cz>
12432 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12435 2006-04-06 Mike Stump <mrs@apple.com>
12437 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12438 for HAVE_nonlocal_goto to be consistent.
12439 (expand_builtin_nonlocal_goto): Likewise.
12440 (expand_builtin_strcmp): Use #ifdef instead of #if
12441 for HAVE_cmpstrnsi to be consistent.
12443 2006-04-05 DJ Delorie <dj@redhat.com>
12445 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12448 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12450 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12451 got-relative addressing for anything but SImode.
12453 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12454 even if the calling function doesn't modify them.
12456 2006-04-05 Richard Guenther <rguenther@suse.de>
12458 PR tree-optimization/26919
12459 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12460 to cgraph_estimate_size_after_inlining.
12462 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12464 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12466 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12468 PR tree-optimization/26996
12469 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12470 VECTOR_TYPE variables.
12472 2006-04-05 Richard Guenther <rguenther@suse.de>
12474 PR tree-optimization/26763
12475 * fold-const.c (fold_comparison): Move folding of
12476 PTR + CST CMP PTR + CST ...
12477 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12479 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12481 * doc/install.texi (Prerequisites): Refine some wording on
12482 bootstrapping and ksh.
12483 Move the version numbers of DejaGnu here from the testing section
12484 and fix casing of names.
12485 Fix markup and clarify wording for autogen requirements.
12486 Refer to GCJ instead of just java.
12487 Refer to SVN instead of CVS.
12488 Describe diffutils as useful instead of necessary.
12489 (Downloading the source): Refer to SVN instead of CVS.
12490 Adjust a link to our web site accordingly.
12491 (Configuration): Fix casing of Bison.
12492 (Building): Refer to SVN instead of CVS.
12493 Fix a sentence on the use of Bison and remove duplicate (and
12494 incorrect) version number of Bison requirement.
12495 Remove one redundant list of packages needed for building.
12496 (Specific): Avoid reference to CVS.
12498 2006-04-04 Eric Christopher <echristo@apple.com>
12500 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12501 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12502 (rs6000_handle_struct_attribute): New.
12503 (rs6000_ms_bitfield_layout_p): Ditto.
12505 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12507 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12508 NULL for dso parameter to atexit_common.
12510 2006-04-04 Eric Christopher <echristo@apple.com>
12512 * config/i386/i386.c (machopic_output_stub): Output \t
12513 between instructions and operands.
12515 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12517 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12518 satisfies_constraint_[IL] to explicit tests on value.
12520 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12522 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12523 set_nb_iterations_in_loop): Use build_int_cst instead of
12524 build_int_cst_type.
12525 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12526 build_int_cst instead of convert.
12528 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12530 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12531 new value 2 for incoming.
12532 * function.c (expand_function_start): Call struct_value_rtx
12533 with incoming as 2.
12534 * config/sparc/sparc.md: Comment updated_return.
12535 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12536 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12537 struct return if sparc_std_struct_return and incoming is 2.
12538 (print_operand): Do not adjust return if
12539 sparc_std_struct_return.
12541 2006-04-04 Roger Sayle <roger@eyesopen.com>
12543 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12544 convert in the middle-end.
12545 * expr.c (store_expr, store_constructor, get_inner_reference,
12546 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12548 * tree.c (build_range_type): Likewise.
12550 2006-04-04 Tom Tromey <tromey@redhat.com>
12552 * doc/install.texi (Prerequisites): Mention jar.
12554 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12556 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12559 2006-04-04 Matthias Klose <doko@debian.org>
12561 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12565 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12568 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12570 * doc/extend.texi (Function Attributes): Rewrite visibility
12571 attribute documentation.
12572 * doc/invoke.texi (C++ Dialect Options): Rewrite
12573 -fvisibility-inlines-hidden documentation to describe something
12574 entirely different, although in practise compatible.
12575 (Code Gen Options): Warn about system headers in -fvisibility=
12578 * doc/extend.texi (Other Builtins): Document that
12579 __builtin_nan is a compile-time constant only when its argument
12582 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12584 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12585 trying to remove TRUNCATE check if all bits outside the new mode
12586 are identical to the sign bit.
12588 2006-04-03 Jeff Law <law@redhat.com>
12590 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12591 and operand scanning in some common cases.
12593 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12594 Dale Johannesen <dalej@apple.com>
12597 * regclass.c (struct reg_pref): Update documentation.
12598 (regclass): Set prefclass to NO_REGS if memory is the best option.
12599 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12600 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12601 into account. For non-registers, equate an empty preferred
12602 reload class to a `!' in the constraint; move the if clause to
12603 do so after those that reject the insn.
12604 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12606 (find_dummy_reload): Likewise.
12607 * doc/tm.texi (Register Classes): Document what it means
12608 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12609 * config/i386/i386.c (ix86_preferred_reload_class): Force
12610 using SSE registers (and return NO_REGS for floating-point
12611 constants) if math is done with SSE.
12612 (ix86_preferred_output_reload_class): New.
12613 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12614 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12615 * config/i386/i386.md: Remove # register preferences.
12617 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12620 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12621 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12622 the type of nb_iter.
12623 (instantiate_parameters_1): Convert the operands before calling
12624 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12625 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12627 2006-04-02 Roger Sayle <roger@eyesopen.com>
12629 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12630 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12631 instead of convert.
12632 * dojump.c (do_jump): Likewise.
12633 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12634 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12635 gimplify_boolean_expr): Likewise.
12636 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12637 * varasm.c (array_size_for_constructor): Likewise.
12638 * tree-object-size.c (compute_object_offset): Likewise.
12640 2006-04-02 Roger Sayle <roger@eyesopen.com>
12642 PR middle-end/26977
12643 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12644 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12646 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12648 PR tree-optimization/26939
12649 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12651 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12653 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12654 at_stmt. Convert the type of operands before calling
12655 build_polynomial_chrec.
12656 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12657 add_to_evolution_1.
12658 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12659 (instantiate_parameters_1): Convert the type of operands before calling
12660 build_polynomial_chrec.
12661 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12662 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12663 reset_evolution_in_loop): Insert asserts to check the types of the
12665 (chrec_type): Moved...
12666 (eq_evolutions_p): Use operand_equal_p.
12667 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12668 the types of the operands.
12669 (chrec_type): ...here.
12670 * tree-data-ref.c (create_data_ref): Convert the operands before
12671 calling chrec_replace_initial_condition.
12672 (same_access_functions, analyze_subscript_affine_affine,
12673 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12674 (compute_subscript_distance, analyze_ziv_subscript,
12675 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12676 analyze_miv_subscript): Convert the operands before calling
12677 chrec_fold_minus or chrec_fold_plus.
12679 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12681 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12682 the dependence_relations vector.
12683 (compute_data_dependences_for_loop): Adjust call to
12684 compute_all_dependences.
12686 2006-04-01 Roger Sayle <roger@eyesopen.com>
12687 Richard Henderson <rth@redhat.com>
12689 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12690 gimple_boolify on the condition before calling gimplify_expr.
12692 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12694 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12695 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12696 the frame size. Update to use the new macros.
12697 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12698 * config/xtensa/ieee754-df.S: Likewise.
12700 2006-03-31 Richard Henderson <rth@redhat.com>
12702 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12703 (make_edges): ... here. Control fallthru creation with a local
12704 variable. Do not play with fake edges.
12705 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12706 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12709 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12711 * dwarf2.h (DW64_CIE_ID): Define.
12712 * dwarf2out.c (DWARF_CIE_ID): Define.
12713 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12714 length header. Use DWARF_CIE_ID.
12715 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12716 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12718 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12720 * config/sh/linux-atomic.asm: New file.
12721 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12723 2006-03-31 DJ Delorie <dj@redhat.com>
12725 * config/m32c/cond.md: Set condition flags properly throughout.
12726 * config/m32c/minmax.md: Likewise.
12727 * config/m32c/prologue.md: Likewise.
12728 * config/m32c/bitops.md: Likewise.
12729 * config/m32c/muldiv.md: Likewise.
12730 * config/m32c/mov.md: Likewise.
12731 * config/m32c/addsub.md: Likewise.
12732 * config/m32c/m32c.md: Likewise.
12733 * config/m32c/jump.md: Likewise.
12734 * config/m32c/shift.md: Likewise.
12736 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12737 conditionally output the pattern for this.
12738 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12739 (m32c_compare_redundant): New.
12740 (m32c_output_compare): New.
12741 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12743 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12744 dest, not src. Allow other 4-byte modes.
12746 2006-03-30 Denis Chertykov <denisc@overta.ru>
12748 * doc/md.texi: Refer to avr/constraints.md instead of
12751 2006-03-30 Roger Sayle <roger@eyesopen.com>
12753 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12754 signed vs. unsigned comparison failures on some hosts.
12756 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12759 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12760 change to FLOAT_REGS.
12762 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12763 (rs6000_override_options): Use it.
12764 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12765 only for -mabi=spe/no-spe and -mabi=altivec.
12767 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12769 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12772 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12774 * Makefile.in: Rename docdir to gcc_docdir.
12776 2006-03-30 Roger Sayle <roger@eyesopen.com>
12779 * expr.c (emit_group_store): Optimize group stores into a pseudo
12780 register by using a paradoxical subreg to initialize the destination
12781 if the first or last member of the group specifies a "low part".
12783 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12786 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12787 * target.h (struct gcc_target.speculate_insn): Change type of the
12788 second parameter to 'int'.
12789 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12790 the second operand of the DEPS_LIST.
12791 (copy_DEPS_LIST_list): Update reference to the second operand of the
12793 * rtl.h (alloc_DEPS_LIST): Update signature.
12794 * sched-int.h (ds_t): Change typedef to 'int'.
12795 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12797 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12799 * haifa-sched.c (try_ready): Change condition to restore
12800 non-speculative pattern of the instruction.
12801 (process_insn_depend_be_in_spec): Code to keep probability of the
12802 speculative dependence non-decreasing.
12804 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12806 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12807 (single_move_for_movmem): ... this. Also change all uses.
12808 (bfin_expand_strmov): Renamed to...
12809 (bfin_expand_movmem): ... this. Also change all uses.
12810 * config/bfin/bfin.md (movstrsi): Renamed to...
12811 (movstrsi): ...this.
12813 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12815 PR tree-optimization/26830
12817 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12818 (copy_prop_visit_stmt): Remove write-only variable ann.
12819 (init_copy_prop): Check variable loop depth here. Do not simulate
12820 memory-tag and virtual operand PHIs except for store copy prop.
12822 2006-03-30 Richard Guenther <rguenther@suse.de>
12824 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12825 variants with double arguments.
12827 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12829 * genpreds.c (write_tm_constrs_h): Delete variable p.
12830 * genconditions.c (write_header): Add tm-constrs.h to included
12832 * genpeep.c (main): Add toplev.h to included headers.
12833 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12834 (build/genpeep.o): Add toplev.h dependency.
12835 * config/rs6000/constraints.md: Add "W" constraint.
12837 2006-03-29 Roger Sayle <roger@eyesopen.com>
12839 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12840 sizes by correctly testing whether the size fits a host integer.
12841 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12842 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12843 SImode range for the default sizetype and bitsizetype.
12845 2006-03-29 Roger Sayle <roger@eyesopen.com>
12847 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12848 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12849 quickly if the argument is already of the correct type.
12850 Call fold_build1 instead of build1. Tidy up blank lines.
12852 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12854 * genemit.c (main): Add tm-constrs.h to included headers.
12855 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12856 * genpeep.c (main): Add tm-constrs.h to included headers.
12857 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12858 (write_tm_constrs_h): this and write complete file.
12859 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12860 (write_insn_preds_c): Add tm-constrs.h to included headers.
12861 (gen_constrs): New variable.
12862 (parse_option): Parse "-c".
12863 (main): Invoke write_tm_constrs_h.
12864 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12865 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12866 (object_out_file): Add tm-constrs.h dependency.
12867 (insn-emit.o): Same.
12868 (insn-output.o): Same.
12869 (insn-peep.o): Same.
12870 (insn-preds.o): Same.
12871 (insn-recog.o): Same.
12872 (tm-constsr.h): New target.
12873 (s-constrs-h): New target.
12875 * config/rs6000/constraints.md: New file.
12876 * config/rs6000/rs6000.c: Include tm-constrs.h.
12877 (num_insn_constant_wide): Convert to satisfies_constraint.
12878 (rs6000_rtx_costs): Convert to satisfies_constraint.
12879 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12880 (CONST_OK_FOR_LETTER_P): Delete.
12881 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12882 (EXTRA_CONSTRAINT): Delete.
12883 (EXTRA_MEMORY_CONSTRAINT): Delete.
12884 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12885 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12886 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12887 satisfies_constraint.
12889 * config/i386/i386.c: Include tm-constrs.h.
12891 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12893 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12894 * tree-data-ref.c (find_data_references_in_loop,
12895 compute_data_dependences_for_loop): Use pointers to VEC.
12896 (analyze_all_data_dependences): Adjust calls.
12897 * tree-data-ref.h (find_data_references_in_loop,
12898 compute_data_dependences_for_loop): Adjust declarations.
12899 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12900 compute_data_dependences_for_loop.
12902 2006-03-29 Paul Brook <paul@codesourcery.com>
12904 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12905 (movdf_vfp): Ditto.
12907 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12909 PR tree-optimization/26859
12910 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12912 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12913 for the step after fold_convert.
12915 2006-03-29 Paul Brook <paul@codesourcery.com>
12917 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12918 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12920 2006-03-29 Paul Brook <paul@codesourcery.com>
12922 PR middle-end/23623
12923 * targhooks.c (default_narrow_bitfield): New fuction.
12924 * targhooks.h (default_narrow_bitfield): add prototype.
12925 * target.h (gcc_target): Add narrow_volatile_bitfield.
12926 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12927 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12928 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12929 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12931 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12933 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12935 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12936 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12937 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12938 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12939 (s390_function_arg_float): Allow SDmode and DDmode values to be
12940 passed in floating point registers.
12941 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12942 check with SCALAR_FLOAT_MODE_P.
12943 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12945 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12947 PR tree-optimization/25985
12948 * tree-ssa-loop-niter.c (number_of_iterations_le,
12949 number_of_iterations_ne): Make comments more precise.
12950 (number_of_iterations_cond): Add only_exit argument. Use the
12951 fact that signed variables do not overflow only when only_exit
12953 (loop_only_exit_p): New.
12954 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12955 number_of_iterations_cond.
12957 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12959 PR tree-optimization/26643
12960 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12963 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12965 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12966 (divsi3_i4_int): Likewise.
12968 2006-03-28 Roger Sayle <roger@eyesopen.com>
12970 * expr.c (emit_group_store): Only create a new pseudo reg if the
12971 quantity it needs to hold isn't already a suitable pseudo.
12973 2006-03-28 Jeff Law <law@redhat.com>
12975 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12976 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12978 2006-03-28 Roger Sayle <roger@eyesopen.com>
12980 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12981 the equivalent ~X & Y, and the symmetry related transformations.
12982 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12983 ~X & Y, and symmetry related transforms.
12985 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12987 Revert my 2006-03-27 patches.
12989 2006-03-28 Roger Sayle <roger@eyesopen.com>
12991 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12992 ~(T1)X, when T1 and T2 are integer types of the same precision
12993 and (T2)X isn't an extension.
12995 2006-03-28 Jeff Law <law@redhat.com>
12997 PR tree-optimization/26796
12998 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12999 need EH edge cleanups rather than purging them immediately.
13000 (eliminate_degenerate_phis): Handle queued EH cleanups.
13002 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13004 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13007 2006-03-27 Roger Sayle <roger@eyesopen.com>
13009 PR middle-end/22524
13010 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13011 cast BIT_NOT_EXPR operand to the correct type.
13013 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13015 * tree-loop-linear.c: Don't include varray.h.
13016 (gather_interchange_stats, try_interchange_loops,
13017 linear_transform_loops): Use VEC instead of VARRAY.
13018 * lambda-mat.c: Don't include varray.h.
13019 * tree-chrec.c: Same.
13020 * lambda-trans.c: Same.
13021 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13022 VEC instead of VARRAY.
13023 * tree-vectorizer.h: Idem.
13024 * tree-data-ref.c (dump_data_references,
13025 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13026 initialize_data_dependence_relation, finalize_ddr_dependent,
13027 compute_all_dependences, find_data_references_in_loop,
13028 compute_data_dependences_for_loop, analyze_all_data_dependences,
13029 free_dependence_relation, free_dependence_relations,
13030 free_data_refs): Idem.
13031 * tree-data-ref.h (data_reference_p, subscript_p): New.
13032 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13033 VEC instead of VARRAY.
13034 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13035 (find_data_references_in_loop, compute_data_dependences_for_loop,
13036 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13037 dump_data_dependence_relations, free_dependence_relations,
13038 free_data_refs): Adjust declaration.
13039 (lambda_transform_legal_p): Move declaration here...
13040 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13041 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13042 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13043 vect_analyze_data_refs): Use VEC instead of VARRAY.
13044 * lambda.h (lambda_transform_legal_p): ...from here.
13045 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13046 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13047 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13048 tree-chrec.o): Don't depend on VARRAY_H.
13050 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13052 * rtl.def (Copyright): Update date.
13053 (DEPS_LIST): Change type of the second operand to 'int'.
13054 * target.h (Copyright): Update date.
13055 (struct gcc_target.speculate_insn): Change type of the second parameter
13057 * lists.c (Copyright): Update date.
13058 (alloc_DEPS_LIST): Change signature. Update reference to the second
13059 operand of the DEPS_LIST.
13060 (copy_DEPS_LIST_list): Update reference to the second operand of the
13062 * rtl.h (Copyright): Update date.
13063 (alloc_DEPS_LIST): Update signature.
13064 * sched-int.h (Copyright): Update date.
13065 (ds_t): Change typedef to 'int'.
13066 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13068 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13070 * haifa-sched.c (Copyright): Update date.
13071 (try_ready): Change condition to restore non-speculative pattern
13072 of the instruction.
13073 (process_insn_depend_be_in_spec): Code to keep probability of the
13074 speculative dependence non-decreasing.
13076 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13078 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13079 shut up the compiler.
13081 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13083 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13084 to use lib prefix for target.
13085 ($(T)libic_invalidate_array_4-200.a): Likewise.
13086 ($(T)libic_invalidate_array_4a.a): Likewise.
13088 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13089 J"orn Rennecke <joern.rennecke@st.com>
13091 * superh.opt: New file.
13092 * sh.c (boardtype, osruntime): Remove.
13093 * superh.h (SUBTARGET_OPTIONS): Remove.
13094 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13096 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13097 arguments with ^ and/or [].
13099 * config.gcc (sh-*-*): Add quoting to account for quirk of
13101 Replace == with = in enable_incomplete_targets test.
13103 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13104 with MASK_LITTLE_ENDIAN.
13106 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13107 * config/sh/sh.opt: Added to some comments.
13108 * config/sh/superh.h: Removed some chaff.
13110 * config/sh/sh.opt: Add m4-[1234]00* options.
13111 * config/sh/sh.c (sh_handle_option): Likewise.
13112 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13113 (ic_invalidate_array_4-100.o): New rule.
13114 ($(T)libic_invalidate_array_4-100.a): Likewise.
13115 (ic_invalidate_array_4-200.o): Likewise.
13116 ($(T)libic_invalidate_array_4-200.a): Likewise.
13117 (ic_invalidate_array_4a.o): Likewise.
13118 ($(T)libic_invalidate_array_4a.a): Likewise.
13119 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13120 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13122 * config/sh/crt1.asm: Merged in profiling code.
13123 * config/sh/superh.h (STARTFILE_SPEC): Override.
13124 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13125 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13126 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13128 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13129 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13130 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13132 * sh.opt (mpretend-cmove): New option.
13133 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13134 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13135 (movsicc): Add TARGET_PRETEND_CMOVE code.
13137 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13139 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13140 s390_class_max_nregs): New function prototypes.
13141 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13142 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13143 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13144 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13146 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13148 * dwarf2out.c (add_location_or_const_value_attribute): Call
13149 tree_add_const_value_attribute if nothing else works.
13150 (reference_to_unused): New.
13151 (rtl_for_decl_init): Use reference_to_unused to decide whether
13152 to output an initializer.
13154 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13157 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13158 peephole removing spe frob_di_df_2.
13160 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13162 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13163 (subscript_dependence_tester_1): Declared.
13164 (print_dir_vectors, print_dist_vectors): New.
13165 (debug_data_dependence_relation): New.
13166 (dump_data_dependence_relation): Print more details.
13167 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13168 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13169 (save_dist_v, save_dir_v, add_outer_distances,
13170 build_classic_dist_vector_1): New.
13171 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13172 Don't test for lambda_vector_lexico_pos.
13173 (same_access_functions, add_multivariate_self_dist,
13174 add_other_self_distances, dir_from_dist): New.
13175 (build_classic_dir_vector): Replace implementation almost identical to
13176 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13178 (subscript_dependence_tester_1): New.
13179 (subscript_dependence_tester): Handle the lexicographically negative
13180 distance vectors by recomputing the dependence relation.
13181 (compute_affine_dependence): Remove parameter loop_nest_depth.
13182 (compute_self_dependence): Don't call compute_subscript_distance.
13183 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13184 Add a parameter for the loop_nest.
13185 (find_loop_nest_1, find_loop_nest): New.
13186 (compute_data_dependences_for_loop): Compute the loop nest, and give
13187 up if the nest is not well formed.
13188 * tree-data-ref.h (loop_p): New.
13189 (struct data_dependence_relation): Replace size_vect field with
13190 loop_nest, a vec of loops.
13191 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13192 (DDR_LOOP_NEST): New.
13193 (print_dir_vectors, print_dist_vectors,
13194 debug_data_dependence_relation): Declared.
13195 (index_in_loop_nest): New.
13196 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13197 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13200 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13202 * simplify-rtx.c (simplify_relational_operation): Call
13203 simplify_relational_operation_1 even if mode is VOIDmode.
13205 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13207 PR tree-optimization/26804
13208 * tree.h (DECL_CALL_CLOBBERED): New macro.
13209 (tree_decl_common): Add call_clobbered_flag.
13210 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13211 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13212 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13213 (mark_non_addressable): Ditto.
13214 * tree-ssa.c (verify_call_clobbered): New function.
13215 (verify_alias_info): Use it.
13216 * tree-pass.h (pass_reset_cc_flags): New prototype.
13217 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13218 (reset_cc_flags): New function.
13219 * passes.c (init_optimization_passes): Call reset_cc_flags after
13220 initializing referenced_vars.
13222 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13223 Roger Sayle <roger@eyesopen.com>
13225 PR middle-end/26717
13226 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13227 to 1.0 for non-real operands. Implement A / A optimization for
13230 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13232 * config/i386/i386.c (size_cost): Correct the comment for
13233 cost of storing fp registers.
13234 (i386_cost): Likewise.
13235 (i486_cost): Likewise.
13236 (pentium_cost): Likewise.
13237 (pentiumpro_cost): Likewise.
13238 (k6_cost): Likewise.
13239 (athlon_cost): Likewise.
13240 (k8_cost): Likewise.
13241 (pentium4_cost): Likewise.
13242 (nocona_cost): Likewise.
13243 (generic64_cost): Likewise.
13244 (generic32_cost): Likewise.
13246 2006-03-24 Denis Chertykov <denisc@overta.ru>
13248 * config/avr/avr-protos.h (extra_constraint): Delete.
13249 (extra_constraint_Q): New declaration.
13250 * config/avr/constraints.md: New file.
13251 * config/avr/avr.md: Include it.
13252 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13253 (TMP_REGNO, ZERO_REGNO): Likewise.
13254 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13255 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13256 (extra_constraint): Delete.
13257 (extra_constraint_Q): Test for memory constraint 'Q'.
13258 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13259 (REG_CLASS_FROM_LETTER): Delete.
13260 (CONST_OK_FOR_LETTER_P): Delete.
13261 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13262 (EXTRA_CONSTRAINT): Delete.
13263 (TMP_REGNO): Delete.
13264 (ZERO_REGNO): Delete.
13266 2006-03-24 Jeff Law <law@redhat.com>
13268 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13269 directly. Call mark_new_vars_to_rename slightly earlier.
13271 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13273 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13274 (is_cxx): Likewise.
13275 (gen_compile_unit_die): Use new language types for Objective-C and
13277 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13278 DW_LANG_C_plus_plus.
13281 * config/t-darwin (crt3.o): Work around bug 26840.
13282 * config/darwin-crt3.c: Rewrite.
13283 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13285 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13287 * doc/invoke.texi: Document -femit-class-debug-always
13288 * common.opt: Add -femit-class-debug-always.
13290 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13292 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13293 index and base register.
13294 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13295 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13296 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13297 REGNO_OK_FOR_INDEX_P.
13298 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13300 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13301 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13302 REG_OK_FOR_BASE_P): Definitions removed.
13304 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13306 PR middle-end/26611
13307 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13308 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13309 set yet or weren't marked as local yet.
13311 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13313 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13316 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13318 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13319 (rs6000_legitimate_small_data_p): Delete.
13320 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13321 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13322 and make static. Add forward declaration. Update uses.
13323 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13324 of offsettable_memref_p.
13325 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13326 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13328 2006-03-24 Jeff Law <law@redhat.com>
13330 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13331 around bug in immediate-use iterator.
13333 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13336 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13337 or __LITTLE_ENDIAN__.
13339 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13341 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13342 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13343 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13344 * config/sh/sh.opt (mdiv=): Amend description.
13345 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13346 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13347 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13348 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13349 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13350 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13351 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13352 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13353 TARGET_DIVIDE_CALL_FP.
13355 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13357 * haifa-sched.c (choose_ready): Fix type of the local variable.
13358 Move local variables. Add comment.
13359 (check_reg_live): Change signature. Make callable from debugger.
13360 * sched-int.h (check_reg_live): Update signature.
13361 * sched-ebb.c (check_reg_live): Update parameters.
13362 * sched-rgn.c (check_reg_live): Ditto.
13363 (region_head_or_leaf_p): Check pointer before dereferencing.
13364 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13365 before reload on optimization levels below 1.
13367 2006-03-23 Richard Henderson <rth@redhat.com>
13369 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13373 * config/alpha/predicates.md (local_symbolic_operand): Reject
13376 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13379 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13380 expressions which have overflowed constants.
13382 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13384 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13386 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13388 * cfgloopmanip.c (create_loop_notes): Removed.
13389 * final.c (final_scan_insn): Do not handle loop notes.
13390 * jump.c (squeeze_notes): Ditto.
13391 * cfglayout.c (skip_insns_after_block,
13392 duplicate_insn_chain): Ditto.
13393 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13395 * cfgloop.h (create_loop_notes): Declaration removed.
13397 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13399 * varasm.c (output_constant_pool): Restore fnname and fndecl
13401 (assemble_start_function): Adjust call accordingly.
13402 (assemble_end_function): Likewise.
13404 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13407 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13410 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13412 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13415 * system.h (ICE_EXIT_CODE): New macro.
13416 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13417 (diagnostic_action_after_output): Likewise.
13418 * gcc.c (fatal_ice): New function.
13419 (execute): Use it instead of fatal.
13420 (fancy_abort): Likewise.
13421 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13423 2006-03-22 Jeff Law <law@redhat.com>
13425 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13426 iv_analyze_result returning false.
13428 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13430 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13432 2006-03-22 Richard Henderson <rth@redhat.com>
13434 PR middle-end/26084
13435 * except.c (duplicate_eh_regions_0): New.
13436 (duplicate_eh_region_1): Duplicate the children of the node as
13437 well as the node itself. Link them up properly.
13438 (duplicate_eh_region_2): Merge into ...
13439 (duplicate_eh_regions): ... here. Take copy_region argument, and
13440 copy only a sub-tree if asked. Simplify copying and fixup.
13441 (eh_region_outer_p): New.
13442 * except.h (duplicate_eh_regions): Update decl.
13443 (eh_region_outer_p): Declare.
13444 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13445 (lower_omp_master): Likewise.
13446 (lower_omp_ordered): Likewise.
13447 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13448 (move_stmt_r): Use it to remap labels. Handle recursion vs
13449 remap_decls_p properly.
13450 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13451 (find_outermost_region_in_block): New.
13452 (new_label_mapper): New.
13453 (move_sese_region_to_fn): Copy eh information to the new function
13455 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13457 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13460 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13462 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13463 into shared libraries.
13465 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13467 * doc/md.texi: Refer to i386/constraints.md instead of
13468 i386/predicates.md.
13469 * config/i386/constraints.md: New file, extracted from...
13470 * config/i386/predicates.md: ...here.
13471 * config/i386/i386.md: Include constraints.md.
13473 2006-03-21 Jason Merrill <jason@redhat.com>
13475 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13477 PR middle-end/20297
13478 * expr.c (init_block_move_fn): Force default visibility.
13479 (init_block_clear_fn): Likewise.
13480 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13481 * targhooks.c (default_external_stack_protect_fail): Likewise.
13483 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13485 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13486 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13487 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13488 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13489 (loadgp): Use mips_current_loadgp_style.
13490 (loadgp_noshared): New pattern.
13491 (sibcall_internal): Use MIPS_CALL.
13492 (sibcall_value_internal): Likewise.
13493 (sibcall_value_multiple_internal): Likewise.
13494 (call_internal): Likewise.
13495 (call_value_internal): Likewise.
13496 (call_value_multiple_internal): Likewise.
13497 (call_split): Use MIPS_CALL and add an 'S' constraint.
13498 (call_value_split): Likewise.
13499 (call_value_multiple_split): Likewise.
13500 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13501 (-mshared): New option.
13502 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13503 (mips_current_loadgp_style): Declare.
13504 * config/mips/mips.c (mips_classify_symbol): Avoid using
13505 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13506 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13507 TARGET_ABSOLUTE_ABICALLS.
13508 (override_options): Adjust comments. Improve the warning that is
13509 issued when -mabicalls and -G are used together.
13510 (mips_file_start): Remove comment.
13511 (mips_current_loadgp_style): New function.
13512 (mips_gnu_local_gp): New variable.
13513 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13515 (mips_output_function_prologue): Use mips_current_laodgp_style.
13516 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13517 the cprestore instruction.
13518 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13519 live for TARGET_ABSOLUTE_ABICALLS.
13520 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13521 (ASM_SPEC): Pass down -mshared and -mno-shared.
13522 (MIPS_CALL): New macro.
13523 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13525 * doc/invoke.texi (-mabicalls): Update documentation.
13526 (-mshared): Document.
13528 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13530 * config/ia64/unwind-hpux.c: New file.
13531 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13533 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13536 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13538 2006-03-21 Jeff Law <law@redhat.com>
13540 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13541 type conversions of a VR_VARYING source to a wider type.
13543 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13545 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13546 tm_file on Solaris 10 and later.
13547 (sparc64-*-solaris2*): Likewise.
13548 (sparc-*-solaris2*): Likewise.
13549 * config/sol26.h: Rename to config/sol2-6.h.
13550 * config/sol2-10.h: New file.
13552 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13555 * tree-ssa-pre.c (create_component_ref_by_pieces):
13558 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13561 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13562 return it immediately.
13564 2006-03-21 Michael Matz <matz@suse.de>
13566 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13568 (remove_arc, add_arc): Update num_out_arcs member.
13569 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13571 (cache_presence): New function.
13572 (compare_states_for_equiv): New function.
13573 (state_is_differed): Don't take number of outargs, adjust callers.
13574 Use new invariant for speeding up.
13575 (init_equiv_class): Create initial classes based on sorted
13577 (partition_equiv_class): Don't track out_arcs_num.
13578 (evaluate_equiv_classes): Call cache_presence on all states and
13581 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13583 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13584 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13585 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13586 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13588 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13589 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13590 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13591 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13592 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13594 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13595 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13596 (REGNO_REG_CLASS): ARGP is in PREGS.
13597 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13599 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13600 to deal with those addresses.
13601 * addresses.h: New file.
13602 * caller-save.c: Include "addresses.h".
13603 (init_caller_save): Use new base_reg_class function.
13604 * rtl-factoring.c: Include "addresses.h".
13605 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13606 * recog.c: Include "addresses.h".
13607 (preprocess_constraints): Use new base_reg_class function.
13608 * regrename.c: Include "addresses.h".
13609 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13610 functions. Keep track of a new var INDEX_CODE to compute valid
13612 (replace_oldest_value_addr): Likewise.
13613 (replace_oldest_value_mem): Use base_reg_class.
13614 * reload.c: Include "addresses.h".
13615 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13616 (find_reloads): Use new base_reg_class function.
13617 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13618 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13619 all callers and prototype changed.
13620 * reload1.c: Include "addresses.h".
13621 (maybe_fix_stack_asms): Use base_reg_class.
13622 * regclass.c: Include "addresses.h".
13623 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13624 (init_reg_autoinc): Use new base_reg_class function.
13625 (record_reg_classes): Likewise.
13626 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13627 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13628 Use new args to compute necessary class.
13630 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13631 regrename.o, rtl-factoring.o): Update dependencies.
13632 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13633 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13634 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13635 REG_OK_FOR_INDEX_P): Delete documentation.
13637 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13639 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13640 from V7 to V9 for Solaris 7 and above.
13642 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13644 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13645 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13646 argument pointers may not alias any other storage.
13647 * common.opt: Define option -fargument-noalias-anything.
13648 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13649 alias semantics is specified by flag_argument_noalias > 2.
13651 2006-03-20 Jeff Law <law@redhat.com>
13653 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13654 (pass_phi_only_cprop): Declare.
13655 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13656 with phi_only_cprop
13657 * tree-ssa-dom.c (degenerate_phi_result): New function.
13658 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13659 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13660 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13661 (eliminate_degenerate_phis): Likewise.
13662 (pass_phi_only_cprop): New pass descriptor.
13663 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13664 support code. Callers updated.
13665 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13666 (store_copy_prop): Likewise.
13667 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13669 2006-03-20 Jason Merrill <jason@redhat.com>
13672 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13673 (push_visibility, pop_visibility): Likewise.
13674 * c-pragma.h: Declare them.
13676 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13678 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13680 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13681 parameter and use get_ebb_head_tail.
13682 (sh_md_init_global): Adjust uses of find_regmode_weight.
13684 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13686 * function.h (struct function) <x_tail_recursion_reentry>:
13687 Rename to x_stack_check_probe_note.
13688 (tail_recursion_reentry): Rename to stack_check_probe_note.
13689 * function.c: Replace tail_recursion_reentry with
13690 stack_check_probe_note everywhere.
13691 (expand_function_start): Only emit a note for
13692 stack_check_probe_note with -fstack-protect.
13693 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13695 * emit-rtl.c (remove_unnecessary_notes): Remove.
13696 (pass_remove_unnecessary_notes): Remove.
13697 * rtl.h (remove_unnecessary_notes): Remove prototype.
13698 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13699 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13700 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13702 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13705 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13706 (valid_in_set): Handle ARRAY_REF.
13707 Change "if min_variant or VH" to asserts.
13708 (create_component_ref_by_pieces): Handle ARRAY_REF.
13709 (create_expression_by_pieces): Likewise.
13710 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13712 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13714 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13715 is operand of switch, not str[0].
13717 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13719 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13720 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13722 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13724 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13725 end of insn_extra_address_constraint declaration.
13727 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13729 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13730 (no-sum-in-toc): Same.
13731 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13733 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13734 NO_FP_IN_TOC for -fPIC instead of mask.
13736 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13737 (BOOT_LDFLAGS): Delete.
13739 * config/rs6000/t-aix52: Same.
13741 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13742 (stmsi[345678]_power): New.
13744 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13746 * config/ia64/ia64.opt: Add empty line to end of file.
13748 2006-03-17 Richard Guenther <rguenther@suse.de>
13750 PR middle-end/26721
13751 * builtins.c (get_pointer_alignment): For component style references
13752 adjust alignment to the component type alignment. Make sure
13753 to adjust alignment for component access of constants.
13755 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13757 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13758 unconditional jump.
13760 2006-03-17 Paul Brook <paul@codesourcery.com>
13762 * doc/install.texi: Docuemnt --with-mode.
13763 * config.gcc: Add --with-mode for arm*-*-*.
13764 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13766 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13768 * sh.c (max_labelno_before_reorg): New variable.
13769 (sh_reorg): Initialize it.
13770 (find_barrier): Check max_labelno_before_reorg before using
13771 label_to_alignment. Take length of explicit alignment insns
13772 into account. When seeing a UNSPECV_CONST_END, return it.
13774 * sh.c (fixup_mova): Set mode of affected label to QImode.
13775 (untangle_mova): New function.
13776 (find_barrier): Use it. Check mode of label before decrementing
13778 (sh_reorg): Likewise.
13779 Set mode of all insns back to VOIDmode.
13781 * sh.c (MOVA_LABELREF): New macro.
13782 (mova_p, fixup_mova, sh_reorg): Use it.
13783 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13784 ADDR_DIFF_VEC matches mova.
13786 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13788 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13789 with ATTRIBUTE_UNUSED.
13791 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13793 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13794 pointer, instead of assuming it is possible to derive the
13795 correct args size from a call insn.
13797 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13799 * rtl.h (CONST_INT_P): Define.
13800 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13801 instead of GET_CODE(x) == CONST_INT.
13802 (vax_rtx_costs): Likewise.
13803 (vax_output_int_move): Likewise.
13804 (vax_output_int_add): Likewise.
13805 (legitimate_constant_address_p): Likewise.
13806 (index_term_p): Likewise.
13807 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13808 * config/vax/vax.md (and<mode>3): Likewise.
13809 (ashrsi3): Likewise.
13811 (movstricthi): Likewise.
13812 (movstrictqi): Likewise.
13813 (rotrsi3): Likewise.
13814 (five unnamed insns): Likewise.
13816 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13818 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13819 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13820 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13821 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13822 Pass to ASM_OUTPUT_DWARF_OFFSET.
13823 * dwarf2out.c (debug_frame_section): New.
13824 (output_call_frame_info): Use debug_frame_section. Pass it to
13825 dw2_asm_output_offset.
13826 (output_die): Pass appropriate section to dw2_asm_output_offset.
13827 (output_compilation_unit_header): Likewise.
13828 (output_pubnames): Likewise.
13829 (output_aranges): Likewise.
13830 (enum dw_val_class): Break dw_val_class_lbl_offset into
13831 dw_val_class_lineptr and dw_val_class_macptr.
13832 (add_AT_lbl_offset): Delete.
13833 (add_AT_lineptr): New.
13834 (add_AT_macptr): New.
13835 (AT_lbl): Expect a lineptr or macptr.
13836 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13837 (attr_checksum): Likewise.
13838 (same_dw_val_p): Likewise.
13839 (size_of_die): Likewise.
13840 (value_format): Likewise.
13841 (output_die): Likewise.
13842 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13844 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13845 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13846 * config/darwin-protos.h (darwin_file_start): New.
13847 (darwin_asm_output_dwarf_offset): New.
13848 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13849 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13851 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13852 if not EH section; simplify.
13853 (darwin_file_start): New.
13854 (darwin_asm_output_dwarf_offset): New.
13855 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13857 (DEBUG_INFO_SECTION): Likewise.
13858 (DEBUG_ABBREV_SECTION): Likewise.
13859 (DEBUG_ARANGES_SECTION): Likewise.
13860 (DEBUG_MACINFO_SECTION): Likewise.
13861 (DEBUG_LINE_SECTION): Likewise.
13862 (DEBUG_LOC_SECTION): Likewise.
13863 (DEBUG_PUBNAMES_SECTION): Likewise.
13864 (DEBUG_STR_SECTION): Likewise.
13865 (DEBUG_RANGES_SECTION): Likewise.
13866 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13867 (ASM_OUTPUT_DWARF_OFFSET): New.
13869 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13871 * config.gcc (tm_defines): Always add to previous value rather
13874 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13876 * config/mips/predicates.md (splittable_const_int_operand): New,
13877 split from move_operand.
13878 (splittable_symbolic_operand): New.
13879 (move_operand): Add commentary. Use splittable_const_int_operand.
13880 Inline mips_atomic_symbolic_constant_p.
13881 * config/mips/mips.md: Add combine splitters for handling moves
13882 of splittable_const_int_operands and splittable_symbolic_operands.
13883 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13884 (mips_split_symbol): Declare.
13885 (mips_move_integer): Declare.
13886 * config/mips/mips.c (mips_split_p): Make global.
13887 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13888 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13889 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13890 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13891 (mips_offset_within_object_p): Handle block symbols.
13892 (mips_atomic_symbolic_constant_p): Delete.
13893 (mips_cannot_force_const_mem): Return false for constants that
13894 mips_legitimize_move can handle.
13895 (mips_use_blocks_for_constant_p): New function.
13896 (mips_split_symbol): Make global.
13897 (mips_move_integer): Likewise. Add a temporary register argument.
13898 (mips_legitimize_const_move): Use splittable_const_int_operand and
13899 splittable_symbolic_operand.
13900 (mips_use_anchors_for_symbol_p): New function.
13901 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13902 (mips_split_p): Declare.
13904 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13906 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13907 (mips*-*-linux*): Likewise.
13909 2006-03-16 Roger Sayle <roger@eyesopen.com>
13910 Daniel Speyer <dspeyer@wam.umd.edu>
13912 PR middle-end/18259
13913 * tree-dump.c (dump_real): New function.
13914 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13915 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13916 (tree-dump.o): Add $(REAL_H) to the dependencies.
13918 2006-03-16 Roger Sayle <roger@eyesopen.com>
13920 PR middle-end/21781
13921 * real.c (real_from_string): If the mantissa is zero, don't bother
13922 parsing the exponent as the result should always be zero.
13924 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13926 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13928 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13930 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13931 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13932 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13933 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13934 ia64_sched_finish_global): New static functions to implement
13935 hooks from gcc_target.sched.
13936 (spec_check_no, max_uid, pending_data_specs): New static variables.
13937 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13938 ia64_spec_check_src_p): New static functions.
13939 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13940 (TARGET_SCHED_ADJUST_COST): Removed.
13941 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13942 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13943 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13944 TARGET_SCHED_GEN_CHECK,
13945 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13946 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13947 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13948 Fixed to handle speculation checks.
13949 (rtx_needs_barrier): Fixed to handle speculative loads and
13951 (ia64_variable_issue): Added code to count speculative loads and their
13953 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13955 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13957 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13959 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13960 (ia64_reorg): Reset stops_p to NULL after it is freed.
13961 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13962 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13963 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13965 (data_speculative, control_speculative, check_load): New attributes.
13966 (mov<mode>_advanced, mov<mode>_speculative,
13967 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13968 zero_extend<mode>di2_speculative,
13969 zero_extend<mode>di2_speculative_advanced): New patterns for
13970 data and control speculative loads.
13971 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13973 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13974 New pattern for data and control speculation checks.
13975 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13976 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13977 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13978 Auxiliary definitions for the patterns.
13979 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13980 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13982 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13984 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13985 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13986 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13987 New resource constraints.
13988 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13990 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13991 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13992 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13993 msched-in-control-spec, msched-ldc, msched-control-ldc,
13994 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13995 msched-prefer-non-control-spec-insns,
13996 msched-count-spec-in-critical-path): New flags to tune speculative
13998 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13999 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14000 msched-in-control-spec, msched-ldc, msched-control-ldc,
14001 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14002 msched-prefer-non-control-spec-insns,
14003 msched-count-spec-in-critical-path): Document new flags.
14005 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14007 * target.h (struct spec_info_def): New opaque declaration.
14008 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14009 speculate_insn, needs_block_p, gen_check,
14010 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14011 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14012 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14013 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14014 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14015 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14017 (TARGET_SCHED): Use new macros.
14018 * rtl.h (copy_DEPS_LIST_list): New prototype.
14019 * sched-int.h (struct sched_info): Change signature of new_ready field,
14020 adjust all initializations. New fields: add_remove_insn,
14021 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14022 region_head_or_leaf_p.
14023 (struct spec_info_def): New structure declaration.
14024 (spec_info_t): New typedef.
14025 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14026 recovery_block, orig_pat.
14027 (glat_start, glat_end): New variables declaraions.
14028 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14030 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14031 DETACH_LIFE_INFO, USE_GLAT.
14032 (enum SPEC_SCHED_FLAGS): New enumeration.
14033 (NOTE_NOTE_BB_P): New macro.
14034 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14035 attach_life_info, debug_spec_status, check_reg_live): New functions.
14036 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14037 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14039 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14040 * ddg.c (get_block_head_tail): Adjust all uses.
14041 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14042 (sms_sched_info): Initialize new fields.
14043 (contributes_to_priority): Removed.
14044 * haifa-sched.c (params.h): New include.
14045 (get_block_head_tail): Adjust all uses.
14046 (ISSUE_POINTS): New macro.
14047 (glat_start, glat_end): New global variables.
14048 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14049 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14050 old_last_basic_block, before_recovery, current_sched_info_var,
14051 rgn_n_insns, luid): New static variables.
14052 (insn_cost1): New function. Move logic from insn_cost to here.
14053 (find_insn_reg_weight1): New function. Move logic from
14054 find_insn_reg_weight to here.
14055 (reemit_notes, move_insn, max_issue): Change signature.
14056 (move_insn1): Removed.
14057 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14058 extend_bb): New static functions to support extension of scheduler's
14060 (generate_recovery_code, process_insn_depend_be_in_spec,
14061 begin_speculative_block, add_to_speculative_block,
14062 init_before_recovery, create_recovery_block, create_check_block_twin,
14063 fix_recovery_deps): New static functions to support
14064 generation of recovery code.
14065 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14066 restore_bb_notes, move_block_after_check, move_succs): New static
14067 functions to support ebb scheduling.
14068 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14069 functions to support handling of register live information.
14070 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14071 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14072 add_jump_dependencies): New static functions.
14073 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14074 consistancy checking.
14075 (debug_spec_status): New function to call from debugger.
14076 (priority): Added code to handle speculation checks.
14077 (rank_for_schedule): Added code to distinguish speculative instructions.
14078 (schedule_insn): Added code to handle speculation checks.
14079 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14080 Fixed to handle ebbs.
14081 (move_insn): Added code to handle ebb scheduling.
14082 (max_issue): Added code to use ISSUE_POINTS of instructions.
14083 (choose_ready): Added code to choose between speculative and
14084 non-speculative instructions.
14085 (schedule_block): Added code to handle ebb scheduling and scheduling of
14086 speculative instructions.
14087 (sched_init): Initialize new variables.
14088 (sched_finish): Free new variables. Print statistics.
14089 (try_ready): Added code to handle speculative instructions.
14090 * lists.c (copy_DEPS_LIST_list): New function.
14091 * sched-deps.c (extend_dependency_caches): New function. Move logic
14092 from create_dependency_caches to here.
14093 (get_dep_weak, ds_merge): Make global.
14094 * genattr.c (main): Code to output prototype for
14095 dfa_clear_single_insn_cache.
14096 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14097 (output_dfa_clean_insn_cache_func): Code to output
14098 dfa_clear_single_insn_cache function.
14099 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14101 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14103 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14104 New static variables.
14105 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14106 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14108 (ebb_sched_info): Initialize new fields.
14109 (get_block_head_tail): Adjust all uses.
14110 (compute_jump_reg_dependencies): Fixed to use glat_start.
14111 (schedule_ebb): Code to remove unreachable last block.
14112 (schedule_ebbs): Added code to update register live information.
14113 * sched-rgn.c (region_sched_info): Initialize new fields.
14114 (get_block_head_tail): Adjust all uses.
14115 (last_was_jump): Removed. Adjust users.
14116 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14117 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14118 Implement new hooks.
14119 (check_dead_notes1): New static function.
14120 (struct region): New fields: dont_calc_deps, has_real_ebb.
14121 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14122 (BB_TO_BLOCK): Fixed to handle EBBs.
14123 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14124 (ebb_head): New static variable.
14125 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14126 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14128 (compute_dom_prob_ps): New assertion.
14129 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14130 global_live_at_start.
14131 (init_ready_list): New assertions.
14132 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14133 (new_ready): Add support for BEGIN_CONTROL speculation.
14134 (schedule_insns): Fixed code that updates register live information
14136 (schedule_region): Fixed to handle EBBs.
14137 (init_regions): Use extend_regions and check_dead_notes1.
14138 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14139 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14140 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14141 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14142 TARGET_SCHED_GEN_CHECK,
14143 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14144 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14145 * doc/invoke.texi (max-sched-insn-conflict-delay,
14146 sched-spec-prob-cutoff): Document.
14148 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14150 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14151 inter_tick, queue_index.
14152 (struct sched_info): Change signature of init_ready_list field.
14153 Adjust all initializations.
14154 (RESOLVED_DEPS): New access macro.
14155 (ready_add): Remove prototype.
14156 (try_ready): Add prototype.
14157 * sched-rgn.c (init_ready_list): Use try_ready.
14158 (schedule_region): Initialize
14159 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14160 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14161 (init_ready_list): Use try_ready.
14162 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14163 * lists.c (remove_list_elem): Remove `static'.
14164 (remove_free_INSN_LIST_elem): New function.
14165 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14166 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14167 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14169 (readyp): New variable.
14170 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14171 change_queue_index, resolve_dep): New static functions.
14172 (try_ready): New function. Adjust callers in sched-rgn.c and
14173 sched-ebb.c to use it instead of ready_add.
14174 (clock_var): Move at the begining of file.
14175 (rank_for_schedule): Fix typo.
14176 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14177 (ready_lastpos): Enforce assertion.
14178 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14179 update all callers.
14180 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14181 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14182 (queue_to_ready): Use free_INSN_LIST_list.
14183 (early_queue_to_ready): Fix typo.
14184 (schedule_block): Init readyp. Move init_ready_list call after the
14185 initialization of clock_var. Fix error in rejecting insn by
14186 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14187 that previously corrected INSN_TICKs. Add code for handling
14189 (set_priorities): Fix typo.
14190 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14191 Clarify comment and code that keeps current_sched_info->next_tail
14194 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14196 * sched-rgn.c (extend_rgns): New static function.
14197 (find_rgns): Use it.
14198 (gather_region_statistics, print_region_statistics): New static
14200 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14201 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14203 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14204 Andrey Belevantsev <abel@ispras.ru>
14206 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14207 * lists.c (unused_deps_list): New variable.
14208 (free_list): Add assertions to verify the proper distinguishing
14209 between INSN_LISTs and DEPS_LISTs.
14210 (find_list_elem, remove_list_elem, remove_list_node): New static
14212 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14213 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14214 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14215 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14217 (free_INSN_LIST_node): Likewise.
14218 * modulo-sched.c (current_sched_info): Initialize flags field.
14219 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14220 * rtl.def (DEPS_LIST): Define.
14221 * rtl.h: Declare new functions from lists.c.
14222 * sched-deps.c (spec_dependency_cache): New static variable.
14223 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14224 (add_dependence): Change return type to void. Move the logic to ...
14225 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14226 (delete_all_dependences): Add comment about forward_dependency_cache.
14227 Handle spec_dependency_cache. Handle DEPS_LISTs.
14228 (fixup_sched_groups): Clarify the change of priority of output
14229 and anti dependencies.
14230 (sched_analyze_2): Adjust add_dependence calls to create data
14231 speculative dependence.
14232 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14233 Adjust all callers. Handle DEPS_LISTS.
14234 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14235 presence of speculation.
14236 (init_dependency_caches, free_dependency_caches):
14237 Handle spec_dependency_cache.
14238 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14239 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14240 New static functions.
14241 (add_or_update_back_dep, add_or_update_back_forw_dep,
14242 add_back_forw_dep, delete_back_forw_dep): New functions.
14243 * sched-int.h (ds_t, dw_t): New typedefs.
14244 (struct sched_info): Add new field flags.
14245 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14246 Prototype new sched-deps.c functions.
14247 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14248 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14249 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14250 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14251 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14252 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14254 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14256 * sched-rgn.c (current_sched_info): Initialize flags field.
14257 (schedule_insns): Initialize current_sched_info before the sched_init
14259 * sched-ebb.c (current_sched_info): Initialize flags field.
14260 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14261 Call add_or_update_back_dep instead of add_dependence.
14262 Create control speculative dependencies.
14263 (schedule_insns): Initialize current_sched_info before the sched_init
14266 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14268 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14270 (sh_fallback_frame_state): Likewise.
14272 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14274 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14275 Do switch on default_use_cxa_atexit.
14276 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14277 * config/darwin-crt3.o: New.
14278 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14279 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14280 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14282 * config/rs6000/t-darwin: Move crt2.o building to here.
14283 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14284 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14287 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14289 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14290 from '! xxx' to '!xxx' for coding-style conformance.
14291 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14292 (EXTRA_CONSTRAINT): Likewise.
14293 * config/vax/vax.md (four unnamed insns): Likewise.
14295 2006-03-15 Paul Brook <paul@codesourcery.com>
14297 * config/arm/arm.c (minipool_pad): New.
14298 (add_minipool_forward_ref): Include pool alignment padding in address
14300 (push_minipool_fix): Set minipool_pad.
14301 (minipool_pad): Ditto.
14303 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14305 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14306 instead of GET_CODE() == MEM and REG_P() instead of
14308 (print_operand_address): Likewise.
14309 (vax_address_cost): Likewise.
14310 (vax_rtx_costs): Likewise.
14311 (vax_notice_update_cc): Likewise.
14312 (vax_output_int_add): Likewise.
14313 (INDEX_REGISTER_P): Likewise.
14314 (BASE_REGISTER_P): Likewise.
14315 (nonindexed_address_p): Likewise.
14316 (vax_mode_dependent_address_p): Likewise.
14317 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14318 (PRINT_OPERAND): Likewise.
14319 * config/vax/vax.md (ashlsi3): Likewise.
14320 (ashlsi3): Likewise.
14321 (some more unnamed insns): Likewise.
14323 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14325 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14326 iterator-style macro.
14327 (mark_control_dependent_edges_necessary): Update the use of
14328 EXECUTE_IF_CONTROL_DEPENDENT.
14330 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14332 * config/sh/predicates.md (cache_address_operand): Special.
14333 (ua_address_operand): Likewise.
14335 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14337 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14339 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14341 2006-03-15 Andreas Schwab <schwab@suse.de>
14343 * gensupport.c (identify_predicable_attribute): Don't free p_false
14344 when it is still in use.
14346 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14348 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14349 the default setting here.
14351 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14353 * tree-pass.h (pass_cfg): Remove.
14354 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14355 * passes.c (pass_cfg): Don't run it.
14357 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14359 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14360 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14362 (stack_regs_mentioned): Update the uses of
14363 stack_regs_mentioned_data. Don't access the array beyond its
14365 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14366 Don't include gt-reg-stack.h.
14368 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14369 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14371 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14373 PR middle-end/26684
14374 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14377 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14379 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14381 2006-03-14 Richard Guenther <rguenther@suse.de>
14383 PR tree-optimization/26672
14384 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14387 2006-03-14 Richard Guenther <rguenther@suse.de>
14389 PR tree-optimization/26667
14390 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14391 node for the callees. Always allow inlining if it will shrink
14394 2006-03-14 Richard Guenther <rguenther@suse.de>
14396 PR middle-end/26659
14397 * builtins.c (get_pointer_alignment): Prefer alignment
14398 information from decls over that from types.
14400 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14403 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14405 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14407 * config/rs6000/rs6000.opt (mdlmzb): New option.
14408 (msched-prolog, msched-epilog): Use Var not Mask.
14409 * doc/invoke.texi (-mdlmzb): Document.
14410 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14412 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14413 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14415 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14417 PR rtl-optimization/25739
14418 * bt-load.c (augment_live_range): Free tos pointer.
14420 * gensupport.c (identify_predicable_attribute): Free
14422 * gcov.c (create_file_names): Free name pointer.
14424 2006-03-13 Roger Sayle <roger@eyesopen.com>
14426 PR middle-end/26557
14427 * stmt.c (emit_case_nodes): Handle the case where the index is a
14428 CONST_INT, where the comparison mode is specified by the index type.
14430 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14432 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14435 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14437 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14438 (*branch_fp_inverted): Likewise.
14440 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14442 PR middle-end/25989
14443 * omp-low.c (expand_omp_for_generic): Mark istart0
14444 and iend0 as addressable.
14446 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14448 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14450 2006-03-13 Jeff Law <law@redhat.com>
14452 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14453 virtual operands are interesting.
14454 (vrp_visit_stmt): Corresponding changes.
14456 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14458 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14460 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14461 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14462 * config/bfin/crti.S: Use it instead of __PIC__.
14463 * config/bfin/crtn.S: Likewise.
14465 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14466 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14468 Lose 'G' modifier for call operand.
14469 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14470 recognize 'G' modifier.
14472 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14474 PR middle-end/18859
14475 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14476 * stmt.c (expand_case): Likewise.
14478 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14480 PR rtl-optimization/26254
14481 * loop-invariant.c (seq_insns_valid_p): New function.
14482 (move_invariant_reg): Only emit new code if it is valid.
14484 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14486 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14488 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14489 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14490 (commit_one_edge_insertion): Do not look for loop notes.
14492 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14494 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14495 flag_test_coverage out of loop.
14497 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14499 * final.c (shorten_branches): Remove outdated comment, and turn
14500 the if branch that guards it to continue.
14502 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14504 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14505 * cfgloop.h (struct loop): Remove unused fields.
14507 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14509 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14510 (-dL, -fdump-rtl-loop2): Update the dump file names
14512 * doc/invoke.texi: Update dump file names.
14514 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14516 * predict.c (estimate_probability): Remove.
14517 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14518 * basic-block.h (estimate_probability): Remove prototype.
14519 * passes.c (finish_optimization_passes): Dump branch prediction or
14520 profiling heuristics to the .profile tree dump.
14521 (init_optimization_passes): Unqueue pass_branch_prob.
14523 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14525 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14527 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14528 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14530 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14532 * function.h (frame_offset_overflow): Declare.
14533 * function.c (frame_offset_overflow): New function.
14534 (assign_stack_local_1): Call it to detect that the offset overflows.
14535 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14537 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14539 * config/sh/sh.c: Include alloc-pool.h.
14540 (label_ref_list_pool): New alloc pool.
14541 (label_ref_list_t): New type for lists of labels.
14542 (struct pool_node): Make wend a label_ref_list_t.
14543 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14545 (dump_table): Likewise.
14546 (sh_reorg): Set up the alloc pool before using add_constant and
14547 dump_table, and destroy it when finishing.
14549 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14551 * config/mips/mips.c: Remove redundant comment.
14553 2006-03-10 Jason Merrill <jason@redhat.com>
14556 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14557 the target was declared 'register'.
14559 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14561 * genpreds.c (write_insn_constraint_len): Change definition of
14562 insn_constraint_len to return size_t to match the declaration.
14564 2006-03-10 DJ Delorie <dj@redhat.com>
14566 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14568 (m32c_expand_insv): Fix test for an AND mask.
14570 2006-03-10 Richard Guenther <rguenther@suse.de>
14572 PR middle-end/26565
14573 * builtins.c (get_pointer_alignment): Handle component
14574 references for field alignment.
14576 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14578 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14579 when building with libgloss.
14580 (sh*elf): Implement --without-fp option.
14581 (sh64-superh-linux*): Don't multilib.
14583 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14585 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14587 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14589 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14590 Set it when one of the replacement functions returned true.
14591 Return TODO_cleanup_cfg if cfgchanged is true.
14592 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14594 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14596 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14597 instead of gen_lowpart.
14599 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14601 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14603 (mips_output_order_conditional_branch): Declare.
14604 * config/mips/mips.h (MIPS_BRANCH): New macro.
14605 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14606 for the comparison. Use gen_condjump.
14607 (mips_output_conditional_branch): Rework interface to take the
14608 asm templates for a direct branch and the inverse of a direct branch.
14609 (mips_output_order_conditional_branch): New function.
14610 (mips_builtin_branch_and_move): New function.
14611 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14612 branch condition. Use gen_single_cc as the condition for
14613 __builtin_mips_upper_* or __builtin_mips_lower_*.
14614 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14615 Use VOIDmode for the branch condition.
14616 * config/mips/predicates.md (order_operator): New predicate.
14617 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14618 (branch_fp): Rename to...
14619 (*branch_fp): ...this. Remove mode from comparison operator.
14620 Use new mips_output_conditional_branch interface.
14621 (branch_fp_inverted): Rename to...
14622 (*branch_fp_inverted): ...this and update as for *branch_fp.
14623 (*branch_zero<mode>): Rename to...
14624 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14625 Use mips_output_order_conditional_branch. Only accept ordered
14627 (*branch_zero<mode>_inverted): Rename to...
14628 (*branch_order<mode>_inverted): ...this and update as for
14629 *branch_order<mode>.
14630 (*branch_equality<mode>): Accept zero as the second operand to
14631 the equality operator. Use the new mips_output_conditional_branch
14633 (*branch_equality<mode>_inverted): Likewise.
14634 (condjump): New expander.
14635 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14637 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14638 (bc1any2t, bc1any2f): Likewise.
14639 (single_cc): New expander.
14640 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14642 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14644 * doc/md.texi: Update documentation of MIPS constraints.
14645 * config/mips/constraints.md: New file.
14646 * config/mips/mips.md: Include it.
14647 * config/mips/mips.c (mips_char_to_class): Delete.
14648 (override_options): Don't initialize mips_char_to_class.
14649 * config/mips/mips.h (mips_char_to_class): Delete.
14650 (REG_CLASS_FROM_LETTER): Delete.
14651 (CONST_OK_FOR_LETTER_P): Delete.
14652 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14653 (EXTRA_CONSTRAINT_Y): Delete.
14654 (EXTRA_CONSTRAINT_STR): Delete.
14655 (CONSTRAINT_LEN): Delete.
14656 (EXTRA_MEMORY_CONSTRAINT): Delete.
14658 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14660 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14661 original fn's eh regions.
14663 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14665 * fold-const.c (build_range_check): Make sure to use a valid type to
14666 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14669 (range_predecessor): New static function.
14670 (range_successor): Likewise.
14671 (merge_ranges): Use them to compute predecessors and successors of
14674 2006-03-09 Roger Sayle <roger@eyesopen.com>
14676 PR middle-end/26561
14677 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14678 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14680 2006-03-08 DJ Delorie <dj@redhat.com>
14682 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14683 (addpsi3): Expand to include memory operands. Remove
14684 reload-specific splits.
14685 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14686 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14687 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14688 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14689 (shift1_qi, shift1_hi, insv): New.
14690 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14691 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14692 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14694 * config/m32c/m32c-protos.h: Update as needed.
14695 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14696 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14697 Fail for unrecognized R* constraints.
14698 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14699 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14700 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14702 (m32c_init_libfuncs): New.
14703 (m32c_legitimate_address_p): Add debug wrapper.
14704 (m32c_rtx_costs): New.
14705 (m32c_address_cost): New.
14706 (conversions): Add 'B' prefix.
14707 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14708 operands, or word regnames for QI operands. 'B' prints bit
14710 (m32c_expand_setmemhi): New.
14711 (m32c_expand_movmemhi): New.
14712 (m32c_expand_movstr): New.
14713 (m32c_expand_cmpstr): New.
14714 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14715 (m32c_expand_neg_mulpsi3): Handle non-ints.
14716 (m32c_cmp_flg_0): New.
14717 (m32c_expand_movcc): New.
14718 (m32c_expand_insv): New.
14719 (m32c_scc_pattern): New.
14720 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14721 a0/a1 out of SIregs.
14722 (STORE_FLAG_VALUE): New.
14723 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14726 * config/m32c/mov.md: Make constraints more liberal.
14727 (zero_extendqihi2): Optimize r0/r1 case.
14728 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14729 * config/m32c/predicates.md (m32c_any_operand): New.
14730 (m32c_nonimmediate_operand): New.
14731 (m32c_hl_operand): New.
14732 (m32c_r3_operand): New.
14735 (memsym_operand): New.
14736 (memimmed_operand): New.
14737 (a_qi_operand): New.
14738 (m32c_eqne_operator): New.
14739 (m32c_1bit8_operand): New.
14740 (m32c_1bit16_operand): New.
14741 (m32c_1mask8_operand): New.
14742 (m32c_1mask16_operand): New.
14743 * config/m32c/blkmov.md: New file.
14744 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14746 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14748 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14749 unsigned to fix signed/unsigned comparison issue in
14750 DWARF2_FRAME_REG_OUT.
14751 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14752 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14754 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14755 of ptr into the ENABLE_CHECKING section.
14757 2006-03-08 Jeff Law <law@redhat.com>
14759 * tree-vrp.c (infer_value_range): Only count pointer uses
14760 and dereferences if -fdelete-null-pointer-checks is enabled.
14762 * tree-vrp.c (find_assert_locations): Infer value ranges for
14763 single use pointers, but do not create ASSERT_EXPRs for them.
14764 When a non-null range is inferred for a pointer, backwards
14765 propagate that range to other equivalent pointers through the
14768 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14771 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14772 language hook targets.
14773 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14774 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14775 if language hook targets were missing.
14777 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14779 * tree-ssa-opfinalize.h: Removed.
14780 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14782 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14783 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14784 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14785 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14786 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14787 finalize_ssa_v_must_def_ops): New.
14789 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14791 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14792 block as parameter.
14794 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14796 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14798 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14799 addresses with offsets; reorganize.
14801 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14802 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14803 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14805 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14808 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14810 2006-03-08 Ben Elliston <bje@au.ibm.com>
14812 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14814 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14817 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14820 2006-03-07 Richard Guenther <rguenther@suse.de>
14822 PR tree-optimization/26587
14823 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14825 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14827 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14829 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14831 * hooks.c (hook_bool_mode_rtx_true): New function.
14832 * hooks.h (hook_bool_mode_rtx_true): Declare.
14833 * toplev.c (compile_file): Call output_shared_constant_pool.
14834 * varasm.c (shared_constant_pool): New variable.
14835 (assemble_start_function, assemble_end_function): Remove arguments
14836 from call to output_constant_pool.
14837 (create_constant_pool): New function, split out from...
14838 (init_varasm_status): ...here.
14839 (force_const_mem): Choose between the shared and per-function constant
14840 pools. Set current_function_uses_const_pool when reusing old entries
14841 as well as when creating new ones.
14842 (mark_constant): Ignore data argument.
14843 (mark_constants): Remove pool argument.
14844 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14845 to decide whether the function uses a constant pool.
14846 (output_constant_pool_contents): New function, split out from...
14847 (output_constant_pool): ...here.
14848 (output_shared_constant_pool): New function.
14849 (init_varasm_once): Initialize shared_constant_pool.
14850 * output.h (output_constant_pool): Delete.
14851 (output_shared_constant_pool): Declare.
14852 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14853 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14855 2006-03-06 Nick Clifton <nickc@redhat.com>
14857 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14858 flag_strength_reduce.
14860 2006-03-06 Ben Elliston <bje@au.ibm.com>
14862 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14863 x86_64-*-linux* configurations.
14865 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14866 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14868 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14870 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14872 * basic-block.h: Remove the extern for
14873 rediscover_loops_after_threading.
14875 * cfgloop.c (cancel_loop): Make it static.
14876 * cfgloop.h: Remove the prototype for cancel_loop.
14878 * flow.c (recompute_reg_usage): Make it static.
14879 * rtl.h: Remove the prototype for recompute_reg_usage.
14881 * function.c (use_return_register): Make it static.
14882 * function.h: Remove the prototype.
14884 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14886 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14888 * recog.h: Remove the prototype for
14889 validate_change_maybe_volatile.
14891 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14893 * rtlanal.c (replace_reg): Remove.
14894 * rtl.h: Remove the prototype for replace_reg.
14896 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14898 * regclass.c (reg_scan_update): Remove.
14899 (reg_scan_mark_refs): Remove the last argument.
14900 * rtl.h: Remove the prototype for reg_scan_update.
14902 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14904 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14905 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14906 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14907 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14908 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14909 loop-invariant.c, omp-low.c, opts.c, passes.c,
14910 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14911 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14912 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14913 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14914 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14915 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14917 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14919 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14920 * dwarf2out.h: Remove the prototype for
14921 dwarf2out_add_library_unit_info.
14923 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14925 * tree.c (add_var_to_bind_expr): Remove.
14926 * tree.h: Remove the prototype for add_var_to_bind_expr.
14928 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14930 * regclass.c (n_non_fixed_regs): Remove.
14931 (init_reg_sets_1, globalize_reg): Remove all uses of
14933 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14935 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14937 * rtlanal.c (insns_safe_to_move_p): Remove.
14938 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14940 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14942 * expmed.c (expand_mult_add): Remove.
14943 * expr.h: Remove the prototype for expand_mult_add.
14945 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14947 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14948 and REG_SAVED_VAL_EXP constants.
14949 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14950 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14951 Handle regs stored by value.
14952 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14953 (execute_cfa_program): Handle DW_CFA_val_offset,
14954 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14955 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14956 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14957 (uw_install_context_1): Handle target regs stored by value.
14959 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14961 * tree-sra.c (tree_sra): Return todoflags;
14962 (generate_one_element): Set TODO_update_smt_usage if needed.
14963 (pass_sra): Remove TODO_update_smt_usage.
14964 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14966 (tree_ssa_forward_propagate_single_use_vars): Return
14967 TODO_update_smt_usage if we need to update SMT usage.
14968 (pass_forwprop): Remove TODO_update_smt_usage.
14970 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14972 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14973 (correct_use_link): Remove reference to get_stmt_operands.
14974 (update_stmt_operands): Likewise.
14975 (get_modify_expr_operands): New function factored out of
14976 parse_ssa_operands and get_expr_operands.
14977 Try to create V_MUST_DEFs for LHS by default.
14978 (get_expr_operands) <case MODIFY_EXPR>: Call
14979 get_modify_expr_operands.
14980 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14981 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14982 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14983 get_modify_expr_operands.
14985 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14987 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14988 * tree-flow.h: Remove the prototype for
14989 referenced_var_lookup_if_exists.
14991 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14993 PR rtl-optimization/26345
14995 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14997 2006-03-03 Roger Sayle <roger@eyesopen.com>
14999 PR tree-optimization/26524
15000 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15001 fold_convert to create a constant of the appropriate type.
15003 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15005 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15006 SYMBOL_REF_IN_BLOCK_P.
15007 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15008 of SYMBOL_FLAG_IN_BLOCK.
15009 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15010 instead of SYMBOL_REF_IN_BLOCK_P.
15011 * explow.c (use_anchored_address): Likewise.
15012 * rtl.c (rtx_size): Likewise.
15013 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15014 instead of SYMBOL_FLAG_IN_BLOCK.
15015 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15016 SYMBOL_REF_IN_BLOCK_P.
15017 (assemble_variable): Likewise.
15018 (output_constant_def_contents): Likewise.
15019 (output_constant_pool): Likewise.
15020 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15021 instead of SYMBOL_FLAG_IN_BLOCK.
15022 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15023 SYMBOL_REF_IN_BLOCK_P.
15024 (SYMBOL_REF_BLOCK): Likewise.
15025 (SYMBOL_REF_OFFSET): Likewise.
15026 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15027 SYMBOL_REF_IN_BLOCK_P.
15028 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15029 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15030 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15031 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15033 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15035 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15037 2006-03-02 Roger Sayle <roger@eyesopen.com>
15039 * simplify-rtx.c (simplify_unary_operation): When simplifying
15040 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15041 that we perform the right shift in the appropriate mode, and
15042 then extend or truncate the result to requested mode.
15044 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15046 * gengtype.c (main): Handle double_int type.
15047 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15048 * double-int.c: New file.
15049 * double-int.h: New file.
15050 * system.h: Include doubleint.h.
15051 * Makefile.in (SYSTEM_H): Include double-int.h.
15052 (double-int.o): Add.
15054 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15057 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15060 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15062 * tree-vrp.c (remove_range_assertions): Do not update statements
15065 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15067 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15069 * gcse.c (rest_of_handle_gcse): Ditto.
15070 * except.c (gate_handle_eh): Ditto.
15071 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15072 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15074 2006-03-02 Eric Christopher <echristo@apple.com>
15076 * config/i386/i386.c (machopic_output_stub): Add indirection to
15079 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15083 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15085 Sun Niagara specific optimizations.
15086 * config.gcc: Recognize niagara as target.
15087 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15088 (TARGET_CPU_niagara): Define.
15089 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15090 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15091 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15092 (ASM_CPU_SPEC): Likewise.
15093 (PROCESSOR_NIAGARA): New enum entry.
15094 (REGISTER_MOVE_COST): Handle Niagara.
15095 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15096 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15097 (sparc_override_options): Recognize "niagara", set appropriate
15098 default MASK_* values for it, and align functions to 32-bytes
15099 by default just like ULTRASPARC/ULTRASPARC3.
15100 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15101 (sparc64_initialize_trampoline): Likewise.
15102 (sparc_use_sched_lookahead): Use zero for niagara.
15103 (sparc_issue_rate): Use one for niagara.
15104 * config/sparc/niagara.md: New file.
15105 * config/sparc/sparc.md: Include it.
15106 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15107 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15108 when default cpu is niagara.
15109 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15110 (ASM_CPU_SPEC): Likewise.
15111 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15112 when default cpu is niagara.
15113 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15114 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15115 just like v9/ultrasparc/ultrasparc3.
15116 * doc/invoke.texi: Add documentation for "niagara" and improve
15117 existing documentation for ultrasparc variants.
15119 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15121 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15123 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15125 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15126 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15127 and say that only one is needed.
15128 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15129 * target.h (have_switchable_bss_sections): New hook.
15130 * explow.c (use_anchored_address): Check that the symbol is in a block.
15131 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15132 (bss_noswitch_section): New variables.
15133 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15134 (get_noswitch_section): New function.
15135 (get_block_for_section): Allow SECT to be null.
15136 (unlikely_text_section_p): Use SECTION_STYLE.
15137 (bss_initializer_p): New function.
15138 (get_variable_section): Move earlier in file. Take a new argument,
15139 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15140 Return one of the new *_sections in such cases.
15141 (get_block_for_decl): New function, extracting some logic from
15142 use_blocks_for_decl_p.
15143 (change_symbol_section): Remove in favor of...
15144 (change_symbol_block): ...this new function.
15145 (use_blocks_for_decl_p): Remove checks now performed by
15146 get_block_for_decl.
15147 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15148 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15149 (emit_local, emit_bss, emit_common): ...these new functions.
15150 Return true if the alignment was honored.
15151 (emit_tls_common): New function.
15152 (asm_emit_uninitialised): Delete.
15153 (assemble_variable_noswitch): New function, split out from...
15154 (assemble_variable): ...here. Don't make decisions about common
15155 variables here. Globalize all public decls that go into non-common
15156 sections. Check whether SYMBOL_REF_BLOCK is null.
15157 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15158 (output_constant_pool): Likewise.
15159 (init_varasm_once): Initialize the new section variables.
15160 (have_global_bss_p): New function.
15161 (categorize_decl_for_section): Use bss_initializer_p.
15162 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15163 (place_block_symbol): Assert that the symbol must be in a block.
15164 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15165 (TARGET_INITIALIZER): Include it.
15166 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15167 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15168 (SECTION_MACH_DEP): Bump by two.
15169 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15170 (unnamed_section): Mention SECTION_UNNAMED in comment.
15171 (named_section): Likewise SECTION_NAMED.
15172 (noswitch_section_callback): New type.
15173 (noswitch_section): New structure.
15174 (section): Add a noswitch_section alternative.
15175 (SECTION_STYLE): New macro.
15176 (tls_comm_section, comm_section, lcomm_section): Declare.
15177 (bss_noswitch_section, have_global_bss_p): Declare.
15178 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15179 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15181 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15182 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15185 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15187 * tree-vrp.c (execute_vrp): Return value.
15188 * regrename.c (rest_of_handle_regrename): Ditto.
15189 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15190 * tree-complex.c (tree_lower_complex): Ditto.
15191 (tree_lower_complex_O0): Ditto.
15192 * tracer.c (rest_of_handle_tracer): Ditto.
15193 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15194 * postreload.c (rest_of_handle_postreload): Ditto.
15195 * tree-tailcall.c (execute_tail_recursion): Ditto.
15196 (execute_tail_calls): Ditto.
15197 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15198 * tree.h (init_function_for_compilation): Ditto.
15199 * ipa-cp.c (ipcp_driver): Ditto.
15200 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15201 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15202 * final.c (compute_alignments): Ditto.
15203 (rest_of_handle_final): Ditto.
15204 (rest_of_handle_shorten_branches): Ditto.
15205 (rest_of_clean_state): Ditto.
15206 * omp-low.c (execute_expand_omp): Ditto.
15207 (execute_lower_omp): Ditto.
15208 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15209 * ipa-reference.c (static_execute): Ditto.
15210 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15211 * reorg.c (rest_of_handle_delay_slots): Ditto.
15212 (rest_of_handle_machine_reorg): Ditto.
15213 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15214 * flow.c (recompute_reg_usage): Ditto.
15215 (rest_of_handle_remove_death_notes): Ditto.
15216 (rest_of_handle_life): Ditto.
15217 (rest_of_handle_flow2): Ditto.
15218 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15219 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15220 (do_ssa_store_ccp): Ditto.
15221 (execute_fold_all_builtins): Ditto.
15222 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15223 * modulo-sched.c (rest_of_handle_sms): Ditto.
15224 * ipa-pure-const.c (static_execute): Ditto.
15225 * cse.c (rest_of_handle_cse): Ditto.
15226 (rest_of_handle_cse2): Ditto.
15227 * web.c (rest_of_handle_web): Ditto.
15228 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15229 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15230 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15231 * tree-nrv.c (tree_nrv): Ditto.
15232 (execute_return_slot_opt): Ditto.
15233 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15234 (create_structure_vars): Ditto.
15235 * loop-init.c (rtl_loop_init): Ditto.
15236 (rtl_loop_done): Ditto.
15237 (rtl_move_loop_invariants): Ditto.
15238 (rtl_unswitch): Ditto.
15239 (rtl_unroll_and_peel_loops): Ditto.
15240 (rtl_doloop): Ditto.
15241 * gimple-low.c (lower_function_body): Ditto.
15242 (mark_used_blocks): Ditto.
15243 * tree-ssa-sink.c (execute_sink_code): Ditto.
15244 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15245 (cgraph_early_inlining): Ditto.
15246 * global.c (rest_of_handle_global_alloc): Ditto.
15247 * jump.c (cleanup_barriers): Ditto.
15248 (purge_line_number_notes): Ditto.
15249 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15250 (rest_of_handle_if_after_reload): Ditto.
15251 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15252 (tree_ssa_loop_im): Ditto.
15253 (tree_ssa_loop_unswitch): Ditto.
15254 (tree_vectorize): Ditto.
15255 (tree_linear_transform): Ditto.
15256 (tree_ssa_loop_ivcanon): Ditto.
15257 (tree_ssa_empty_loop): Ditto.
15258 (tree_ssa_loop_bounds): Ditto.
15259 (tree_complete_unroll): Ditto.
15260 (tree_ssa_loop_prefetch): Ditto.
15261 (tree_ssa_loop_ivopts): Ditto.
15262 (tree_ssa_loop_done): Ditto.
15263 * predict.c (tree_estimate_probability): Ditto.
15264 * recog.c (split_all_insns_noflow): Ditto.
15265 (rest_of_handle_peephole2): Ditto.
15266 (rest_of_handle_split_all_insns): Ditto.
15267 * tree-eh.c (lower_eh_constructs): Ditto.
15268 * regmove.c (rest_of_handle_regmove): Ditto.
15269 (rest_of_handle_stack_adjustments): Ditto.
15270 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15271 * function.c (instantiate_virtual_regs): Ditto.
15272 (init_function_for_compilation): Ditto.
15273 (rest_of_handle_check_leaf_regs): Ditto.
15274 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15275 (rest_of_handle_gcse): Ditto.
15276 * ipa-type-escape.c (type_escape_execute): Ditto.
15277 * alias.c (rest_of_handle_cfg): Ditto.
15278 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15279 * profile.c (rest_of_handle_branch_prob): Ditto.
15280 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15281 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15282 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15283 * tree-dfa.c (find_referenced_vars): Ditto.
15284 * except.c (set_nothrow_function_flags): Ditto.
15285 (convert_to_eh_region_ranges): Ditto.
15286 (rest_of_handle_eh): Ditto.
15287 * emit-rtl.c (unshare_all_rtl): Ditto.
15288 (remove_unnecessary_notes): Ditto.
15289 * except.h (set_nothrow_function_flags): Ditto.
15290 (convert_to_eh_region_ranges): Ditto.
15291 * cfgexpand.c (tree_expand_cfg): Ditto.
15292 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15293 * tree-ssa-pre.c (do_pre): Ditto.
15294 (execute_fre): Ditto.
15295 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15296 (rest_of_handle_jump2): Ditto.
15297 * tree-sra.c (tree_sra): Ditto.
15298 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15299 (execute_mudflap_function_decls): Ditto.
15300 * tree-ssa-copy.c (do_copy_prop): Ditto.
15301 (do_store_copy_prop): Ditto.
15302 * ipa-prop.h (ipcp_driver): Ditto.
15303 * cfglayout.c (insn_locators_initialize): Ditto.
15304 * tree-ssa-forwprop.c
15305 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15306 * cfglayout.h (insn_locators_initialize): Ditto.
15307 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15308 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15309 (execute_late_warn_uninitialized): Ditto.
15310 * rtl.h (cleanup_barriers): Ditto.
15311 (split_all_insns_noflow): Ditto.
15312 (purge_line_number_notes): Ditto.
15313 (unshare_all_rtl): Ditto.
15314 (remove_unnecessary_notes): Ditto.
15315 (recompute_reg_usage): Ditto.
15316 (variable_tracking_main): Ditto.
15317 * integrate.c (emit_initial_value_sets): Ditto.
15318 * integrate.h (emit_initial_value_sets): Ditto.
15319 * tree-optimize.c (execute_free_datastructures): Ditto
15320 (execute_free_cfg_annotations): Ditto.
15321 (execute_fixup_cfg): Ditto.
15322 (execute_cleanup_cfg_pre_ipa): Ditto.
15323 (execute_cleanup_cfg_post_optimizing): Ditto.
15324 (execute_init_datastructures): Ditto.
15325 * tree-object-size.c (compute_object_sizes): Ditto.
15326 * combine.c (rest_of_handle_combine): Ditto.
15327 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15328 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15329 (rest_of_handle_reorder_blocks): Ditto.
15330 (rest_of_handle_partition_blocks): Ditto.
15331 * var-tracking.c (variable_tracking_main): Ditto.
15332 * tree-profile.c (tree_profiling): Ditto.
15333 * tree-vect-generic.c (expand_vector_operations): Ditto.
15334 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15335 * sched-rgn.c (rest_of_handle_sched): Ditto.
15336 (rest_of_handle_sched2): Ditto.
15337 * basic-block.h (free_bb_insn): Ditto.
15338 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15339 * tree-cfg.c (execute_build_cfg): Ditto.
15340 (remove_useless_stmts): Ditto.
15341 (split_critical_edges): Ditto.
15342 (execute_warn_function_return): Ditto.
15343 (execute_warn_function_noreturn): Ditto.
15344 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15345 * cfgrtl.c (free_bb_for_insn): Ditto.
15346 * passes.c (execute_one_pass): Run additional
15347 todos returned by execute function.
15348 * tree-pass.h (struct tree_opt_pass): Make execute
15351 2006-03-02 Richard Guenther <rguenther@suse.de>
15353 * tree-ssa-alias.c (find_used_portions): Consider taking
15354 the address as making the variable not write-only.
15356 2006-03-02 Nick Clifton <nickc@redhat.com>
15358 * config.gcc (default_use_cxa_atexit): Extend the description of
15359 this configure variable. Set its default value to "yes" for
15360 Linux, NetBSD and ELF targets on the assumption that they will
15361 use C libraries with the __cxa_atexit function.
15363 2006-03-02 Ben Elliston <bje@au.ibm.com>
15365 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15366 parameter as unused to suppress a build warning.
15368 2006-03-02 Ben Elliston <bje@au.ibm.com>
15370 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15373 2006-03-01 Roger Sayle <roger@eyesopen.com>
15376 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15377 declared name, the weak reference name, and the typeof name.
15378 (__gthrw): Avoid expanding the declared name suffix.
15379 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15381 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15383 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15385 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15386 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15387 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15388 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15389 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15390 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15391 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15392 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15393 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15394 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15395 (DW_END_default, DW_END_big, DW_END_little): New.
15396 (DW_END_lo_user, DW_END_hi_user): Define.
15397 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15398 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15399 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15402 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15404 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15406 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15408 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15410 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15412 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15413 to 'symbol_mem_tag'.
15415 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15418 2006-03-01 Roger Sayle <roger@eyesopen.com>
15420 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15422 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15425 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15426 MACHO_DYNAMIC_NO_PIC_P.
15427 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15429 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15432 * config/darwin-protos.h (darwin_asm_output_anchor):
15434 * config/darwin-sections.def (cstring_section):
15435 Add SECTION_MERGE to the flags.
15436 (literal4_section): Likewise.
15437 (literal8_section): Likewise.
15438 (objc_selector_refs_section): Likewise.
15439 (objc_cls_refs_section): Likewise.
15440 * config/darwin.c (darwin_asm_output_anchor): New
15442 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15444 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15446 Fix PR tree-optimization/26443
15447 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15448 to todo and PROP_tmt_usage to properties_destroyed.
15449 * tree-ssa-ccp.c (pass_ccp): Ditto.
15450 (pass_store_ccp): Ditto.
15451 * tree-ssa-dom.c (pass_dominator): Ditto.
15453 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15455 * tree-ssa-operands.c: Cleanup whitespace.
15456 (get_asm_expr_operands): Move before first invocation.
15457 (get_indirect_ref_operands): Likewise.
15458 (get_tmr_operands): Likewise.
15459 (get_call_expr_operands): Likewise.
15460 (append_def): Likewise.
15461 (append_use): Likewise.
15462 (append_v_may_def): Likewise.
15463 (append_v_must_def): Likewise.
15464 (add_call_clobber_ops): Likewise.
15465 (add_call_read_ops): Likewise.
15466 (add_stmt_operand): Likewise.
15467 (add_virtual_operand): Likewise.
15468 (build_ssa_operands): Likewise.
15470 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15472 PR middle-end/26022
15474 PR middle-end/24437
15475 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15476 with a call expr to ...
15477 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15479 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15481 * tree-vrp.c (extract_range_from_assert): Remove special
15482 handling for types with super-types.
15484 2006-03-01 Ben Elliston <bje@au.ibm.com>
15486 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15487 and powerpc64-*-linux* configurations.
15488 * config/t-dfprules: New file.
15490 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15491 Compile dfp-bit.c from the source directory using -DWIDTH and
15492 $DFP_CFLAGS to control the compilation of that file, rather than
15493 generating width-specific versions in the build directory.
15494 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15495 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15497 2006-02-28 Zack Weinberg <zackw@panix.com>
15499 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15502 2006-02-28 Eric Christopher <echristo@apple.com>
15504 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15505 Set up IN_LIBGCC definition of TARGET_64BIT.
15506 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15508 2006-02-28 Roger Sayle <roger@eyesopen.com>
15510 PR middle-end/14752
15511 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15512 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15513 cases via the construction of "expr != 0".
15515 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15517 * alias.c (alias_invariant, alias_invariant_size): Remove.
15518 (record_base_value): Remove.
15519 (memrefs_conflict_p): Don't look at alias_invariant.
15520 (end_alias_analysis): Don't free it.
15521 * alias.h (record_base_value): Remove prototype.
15523 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15524 Adam Nemet <anemet@caviumnetworks.com>
15526 * rtl.h (truncated_to_mode): Declare it.
15527 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15528 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15529 (RTL_HOOKS_INITIALIZER): Include it.
15530 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15531 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15532 reg_truncated_to_mode.
15533 * rtlanal.c (truncated_to_mode): Define it.
15534 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15536 2006-02-28 Jeff Law <law@redhat.com>
15538 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15539 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15540 the range allowed by TYPE_PRECISION.
15542 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15544 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15546 PR tree-optimization/26419
15547 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15550 2006-02-27 Zack Weinberg <zackw@panix.com>
15552 * doc/md.texi: Fix typo in previous change.
15554 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15558 2006-02-27 Zack Weinberg <zackw@panix.com>
15560 * rtl.def (define_constraint, define_register_constraint)
15561 (define_memory_constraint, define_address_constraint): New MD forms.
15562 * gensupport.c (process_rtx): Put define_constraint etc on the
15564 * genpreds.c (process_define_predicate): Adjust comment. Validate
15565 the name, and call validate_exp to validate the expression.
15566 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15567 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15568 all callers changed.
15569 (validate_exp, needs_variable, struct constraint_data)
15570 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15571 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15572 (const_dbl_constraints, constraint_max_namelen)
15573 (have_register_constraints, have_memory_constraints)
15574 (have_address_constraints, have_address_constraints)
15575 (have_extra_constraints, have_const_int_constraints)
15576 (have_const_dbl_constraints, mangle, add_constraint)
15577 (process_define_constraint, process_define_register_constraint)
15578 (write_enum_constraint_num, write_lookup_constraint)
15579 (write_insn_constraint_len, write_regclass_for_constraint)
15580 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15581 (write_insn_extra_memory_constraint)
15582 (write_insn_extra_address_constraint)
15583 (write_satisfies_constraint_fns): New.
15584 (write_tm_preds_h): If we have new-style constraint definitions,
15585 prototype the functions generated from them, and define the
15586 old constraint interface (still used by generic code) in terms of
15588 (write_insn_preds_c): If we have new-style constraint definitions,
15589 generate all relevant functions from those definitions.
15590 (main): Handle define_constraint etc.
15591 * genoutput.c (struct constraint_data, indep_constraints)
15592 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15593 (mdep_constraint_len): New data structures and functions, defined
15594 #ifdef USE_MD_CONSTRAINTS.
15595 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15596 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15597 use new logic to validate operand constraints against constraint
15599 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15601 * defaults.h: If none of the old-style constraint macros are
15602 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15603 old-style macros; and poison REG_CLASS_FROM_LETTER,
15604 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15606 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15607 * doc/md.texi: Document new constraint-definition mechanism and the
15608 C interface it provides. Remove references to old mechanism
15609 elsewhere in the document.
15610 (Machine Constraints): Use pathnames relative to gcc directory,
15611 i.e. config/ARCH/FILE. Change i386 section to refer to
15612 config/i386/predicates.md; update that section to match docstrings.
15613 * doc/tm.texi: Move all documentation of the old constraint-
15614 definition macros to their own section, clearly mark as obsolete.
15616 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15617 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15619 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15620 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15621 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15622 constraint strings.
15623 (splits and peepholes): Use satisfies_constraint_*.
15624 * config/i386/i386.c (memory_address_length)
15625 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15627 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15629 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15630 scalar operation to be put back into the loop.
15632 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15635 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15636 (extract_cie_info): Handle S flag in augmentation string.
15637 (execute_cfa_program): If context->signal_frame, execute also
15638 fs->pc == context->ra instructions.
15639 (uw_frame_state_for): If context->signal_frame, don't subtract one
15640 from context->ra to find FDE.
15641 (uw_update_context_1): Set context->signal_frame to
15643 (_Unwind_GetIPInfo): New function.
15644 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15645 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15647 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15648 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15649 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15650 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15651 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15652 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15653 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15654 x86_64_fallback_frame_state): Set fs->signal_frame.
15655 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15656 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15657 (frob_update_context): Likewise. Workaround missing S flag in
15658 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15659 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15660 Remove the psw_addr + 1 hack.
15662 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15664 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15665 with aggregates here.
15666 (find_func_aliases): Remove code for &<aggregate> from here.
15668 2006-02-26 Roger Sayle <roger@eyesopen.com>
15670 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15671 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15672 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15673 as (X & C) ne/eq 0.
15675 2006-02-26 Roger Sayle <roger@eyesopen.com>
15677 PR middle-end/19983
15678 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15680 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15682 * opts.c (decode_options): Do not handle flag_strength_reduce.
15683 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15684 and OPT_fstrength_reduce.
15685 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15686 flag_prefetch_loop_arrays for being nonzero.
15687 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15689 (fprefetch-loop-arrays-rtl): Removed.
15690 (flag_prefetch_loop_arrays): Do not specify the value.
15692 * doc/passes.texi: Update documentation of loop optimizer
15694 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15695 -frerun-loop-opt): Remove.
15697 2006-02-26 Richard Guenther <rguenther@suse.de>
15699 PR tree-optimization/26421
15700 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15701 in function calls that are ADDR_EXPRs as using the whole structure.
15703 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15705 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15706 * tree-pass.h (pass_loop_optimize): Remove.
15707 * passes.c (pass_loop_optimize): Never run it.
15708 * toplev.c (backend_init): Don't call init_loop.
15709 * opts.c (flag_loop_optimize_set): Remove.
15710 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15711 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15712 the old RTL loop optimizer when profiling enabled.
15713 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15714 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15715 pre-headers for the sake of the old RTL loop optimizer.
15716 * Makefile.in: Remove all references to loop.o.
15718 * doc/invoke.texi: Remove all references to -floop-optimize
15719 and -frerun-loop-opt.
15721 2006-02-26 Zack Weinberg <zackw@panix.com>
15723 * doc/md.texi (Machine Constraints): Refer to all files with paths
15724 relative to gcc directory (i.e. config/CPU/file). Add missing
15725 @table @code ... @end table to M32C subsection.
15727 2006-02-26 Roger Sayle <roger@eyesopen.com>
15729 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15731 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15733 2006-02-26 Roger Sayle <roger@eyesopen.com>
15734 James A. Morrison <phython@gcc.gnu.org>
15736 PR middle-end/21137
15737 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15738 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15739 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15740 signedness of the shift operation.
15742 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15744 PR tree-optimization/26359
15745 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15747 2006-02-25 Roger Sayle <roger@eyesopen.com>
15749 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15750 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15751 as X == 0, and some symmetry related transformations.
15752 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15754 2006-02-25 Roger Sayle <roger@eyesopen.com>
15756 PR middle-end/23673
15757 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15758 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15759 symmetry related transformations. Fold (X^C1) == C2 as
15762 2006-02-25 Juergen Weigert <jw@suse.de>
15763 Richard Guenther <rguenther@suse.de>
15765 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15767 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15769 * combine.c (gen_lowpart_or_truncate): Call
15770 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15772 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15774 * doc/invoke.texi: Move -fopenmp description to "Options for
15776 Remove reference to -lgomp.
15778 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15780 * doc/install.texi: Require GNU tar version 1.14.
15782 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15784 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15785 * doc/invoke.texi (C++ Dialect Options): Document
15786 -fno-use-cxa-get-exception-ptr.
15787 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15788 * configure: Regenerate.
15789 * c.opt (fuse-cxa-get-exception-ptr): New.
15790 * c-opts.c (c_common_handle_option): Handle
15791 OPT_fuse_cxa_get_exception_ptr.
15792 * c-common.c (flag_use_cxa_atexit): Update documentation.
15793 (flag_use_cxa_get_exception_ptr): New.
15794 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15795 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15797 (C_COMMON_OVERRIDE_OPTIONS): New.
15799 2006-02-24 Roger Sayle <roger@eyesopen.com>
15801 PR middle-end/24952
15802 * combine.c (try_combine): Explicitly check whether GET_CODE is
15803 a SET or a CLOBBER, instead on checking that it isn't a USE.
15805 2006-02-24 Roger Sayle <roger@eyesopen.com>
15807 * fold-const.c (fold_comparison): New subroutine of fold_binary
15808 containing transformations common to both the equality and
15809 ordering relational operators, factored out of fold_binary.
15810 (fold_binary): Separate out the equality operators (EQ_EXPR
15811 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15812 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15813 transformations common to both.
15814 (fold_div_compare): Fix latent bugs in the previously unreachable
15815 LT_EXPR and GE_EXPR cases.
15817 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15819 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15820 decl libname for clog to __clog on AIX.
15822 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15824 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15827 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15828 output traceback table for thunks. Localise rs6000_stack_info call.
15830 2006-02-23 Roger Sayle <roger@eyesopen.com>
15831 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15833 * gthr-posix.h (__gthrw): Fix typo in comment.
15835 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15837 * doc/cpp.texi (Character sets): Document that we do support
15838 input files to be in any character set.
15840 2006-02-23 Jeff Law <law@redhat.com>
15842 * tree.h (PHI_ARG_NONZERO): Remove.
15843 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15844 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15845 node to the new node.
15847 PR tree-optimization/26425
15848 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15849 min/max, then assume its varying.
15851 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15853 PR rtl-optimization/26316
15854 * rtlanal.c (enum may_trap_p_flags): New.
15855 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15856 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15857 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15858 (may_trap_after_code_motion_p): New function.
15859 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15860 (find_invariant_insn): Use may_trap_after_code_motion_p.
15861 * rtl.h (may_trap_after_code_motion_p): Declare.
15863 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15865 * emit-rtl.c (immed_double_const): Cleanup.
15867 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15869 Fix PR tree-optimization/26376
15870 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15873 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15875 PR middle-end/26412
15876 * gimplify.c (omp_add_variable): Guard variable size decl test with
15877 DECL_SIZE (decl) check.
15879 2006-02-23 Richard Guenther <rguenther@suse.de>
15881 PR middle-end/26439
15882 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15883 like aggregate types.
15885 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15887 * configure.ac: Add --with{,out}-long-double-128 configure option.
15888 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15889 * configure: Rebuilt.
15890 * config.in: Rebuilt.
15891 * doc/install.texi (Options specification): Document
15892 --with-long-double-128.
15894 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15895 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15896 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15897 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15899 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15901 * config/s390/s390.c (override_options): Handle
15902 TARGET_DEFAULT_LONG_DOUBLE_128.
15904 * config/alpha/alpha.c (override_options): Handle
15905 TARGET_DEFAULT_LONG_DOUBLE_128.
15907 * config/sparc/sparc.c (sparc_override_options): Handle
15908 TARGET_DEFAULT_LONG_DOUBLE_128.
15910 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15912 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15913 (real-install-headers-tar, real-install-headers-cpio)
15914 (real-install-headers-cp): New targets.
15916 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15918 * tree.h (variable_section): Delete.
15919 * varasm.c (variable_section): Delete.
15921 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15923 * install.texi: Add notes on install.texi2html.
15924 (Building in parallel): Do not use footnotes.
15926 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15929 * doc/install.texi (Configuration): Document --disable-libgomp.
15931 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15933 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15935 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15937 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15938 (vec_extractv2df_0_sse): New.
15940 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15942 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15943 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15944 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15945 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15946 to the result of the expression.
15947 (def_cfa_1): Adjust.
15948 (frame_pointer_cfa_offset): Rename to...
15949 (frame_pointer_fb_offset): ... this. Adjust all uses.
15950 (convert_cfa_to_loc_list): Rename to...
15951 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15952 Pass it on to build_cfa_loc.
15953 (compute_frame_pointer_to_cfa_displacement): Rename to...
15954 (compute_frame_pointer_to_fb_displacement): ... this. New
15955 offset parameter. Use it in computation.
15956 (gen_subprogram_die): Compute cfa_fb_offset with the new
15957 macro, and use it to compute the fb loc list and the
15960 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15962 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15963 replaced with register_operand.
15964 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15965 non-DREG is expensive.
15966 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15967 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15970 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15972 * doc/install.texi2html: Use set -e.
15974 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15976 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15977 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15978 * doc/invoke.texi (-fshared-data): Delete.
15979 * common.opt (fshared-data): Delete.
15980 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15981 (assemble_static_space): Remove #if 0 code.
15982 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15983 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15984 * config/cris/cris.h: Remove FIXME.
15986 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15988 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15991 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15993 PR middle-end/26379
15994 * combine.c (simplify_shift_const_1): Disable nested shifts
15995 optimization for vector shifts.
15997 2006-02-20 Roger Sayle <roger@eyesopen.com>
15999 PR tree-optimization/26361
16000 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16001 of unsigned integer types.
16003 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16005 * tree-chrec.c (eq_evolutions_p): New.
16006 * tree-chrec.h (eq_evolutions_p): Declared.
16007 * tree-data-ref.c: Fix formatting.
16008 (datadep_stats, dependence_stats): New.
16010 (print_direction_vector): New.
16011 (dump_data_dependence_relation): Use print_direction_vector.
16012 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16013 (compute_subscript_distance): Static.
16014 (initialize_data_dependence_relation): Static. Get the number
16015 of loops surrounding the references from the callers, and initialize
16016 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16017 base_object_differ_p analyzers.
16018 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16019 compute_overlap_steps_for_affine_1_2,
16020 analyze_subscript_affine_affine): Count the classified dependences.
16021 Print a message when a test failed.
16022 (can_use_analyze_subscript_affine_affine): New.
16023 (analyze_siv_subscript): Compute the data dependences on symbolic
16024 scevs that verify can_use_analyze_subscript_affine_affine.
16025 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16026 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16027 Handle symbolic scevs.
16028 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16030 (subscript_dependence_tester): Moved...
16031 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16032 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16033 DDR_SIZE_VECT instead of getting it in parameter.
16034 (subscript_dependence_tester): ... here. Take as a parameter
16035 loop_nest_depth. Call build_classic_dist_vector and
16036 build_classic_dir_vector.
16037 (compute_affine_dependence): Update subscript_dependence_tester
16038 parameters. Update datadep_stats counters. Call
16039 compute_subscript_distance.
16040 (compute_self_dependence): Save the dist and dir vectors. Call
16041 compute_subscript_distance.
16042 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16043 (compute_all_dependences): Reorder parameters as they were before
16044 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16045 compute_subscript_distance. Update the use of
16046 compute_affine_dependence and initialize_data_dependence_relation.
16047 (find_data_references_in_loop): Handle COMPONENT_REF.
16048 (compute_data_dependences_for_loop): Initialize dependence_stats.
16049 Don't call build_classic_dist_vector and build_classic_dir_vector.
16050 Update the parameters of initialize_data_dependence_relation and
16051 compute_all_dependences. Print the statistics from datadep_stats.
16052 (analyze_all_data_dependences): Static. Not used until the pass for
16053 checking the data dependences is contributed.
16054 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16055 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16056 (initialize_data_dependence_relation, compute_affine_dependence,
16057 analyze_all_data_dependences, compute_subscript_distance): Removed.
16058 (print_direction_vector): New.
16059 * lambda.h (gcd): ... here.
16060 (lambda_vector_gcd): Moved here from gcd_vector.
16061 * lambda-code.c (gcd, gcd_vector): Removed.
16062 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16063 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16065 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16067 * ipa-type-escape.c: Tidy some comments and white space.
16068 * tree-ssa-operands.c: Likewise.
16070 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16073 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16074 (dump_decl_name): Do not walk the decl tree chains.
16075 * tree-pass.h (TDF_CHAIN): Remove.
16077 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16079 * Makefile.in (C): Remove
16081 (.PHONY): Remove C and PROTO
16083 2006-02-20 Roger Sayle <roger@eyesopen.com>
16085 PR middle-end/26236
16086 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16087 deprecated CHAR_TYPE tree code.
16089 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16091 * configure.ac (target_list): Add install-info, dvi, html.
16092 * configure: Regenerate.
16094 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16095 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16096 treelang/Make-lang.in: Do not use double-colon rules.
16098 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16100 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16101 (TMT_USED_ALONE): New macro.
16102 * tree-pass.h (PROP_tmt_usage): New property.
16103 (TODO_update_tmt_usage): New todo.
16104 * tree-ssa-alias.c (updating_used_alone): New variable.
16105 (recalculate_used_alone): New function.
16106 (compute_may_aliases): Set updating_used_alone, call
16107 recalculate_used_alone.
16108 * tree-sra.c (pass_sra): Note that this pass destroys
16109 PROP_tmt_usage, and add TODO_update_tmt_usage.
16110 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16111 * tree-flow.h (updating_used_alone): Prototype.
16112 (recalculate_used_alone): Ditto.
16113 * passes.c (execute_todo): Add code to set updating_used_alone,
16114 and call recalculate.
16115 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16116 for clobber if used alone, and add assert to verify used_alone
16119 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16121 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16122 for non tls symbols added.
16123 (legitimize_address): Do nothing for PLUS expressions if one of the
16124 addends is a tls symbol reference.
16126 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16130 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16132 * Makefile.in (BOOTSTRAPPING): New.
16133 (quickstrap): New definition if BOOTSTRAPPING=yes.
16135 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16136 * configure.ac: Substitute all_selected_languages with the languages
16137 that were configured. For all the other variables except
16138 lang_specs_files, include all the languages in the tree.
16139 * configure: Regenerate.
16141 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16142 if there is one. Run the commands to run fixincludes in the same
16145 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16146 * doc/install.texi: Document exact conventions for searching target tools.
16147 Document --with-build-time-tools. Document toplevel bootstrap. Document
16148 something more about building an Ada cross-compiler. Don't list GNU Make
16149 requirements which affect all platforms.
16151 2006-02-19 Roger Sayle <roger@eyesopen.com>
16153 PR middle-end/19543
16154 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16155 only equivalent if the have both the same mode and precision.
16157 2006-02-20 Ben Elliston <bje@au.ibm.com>
16159 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16161 2006-02-19 Roger Sayle <roger@eyesopen.com>
16162 Steven Bosscher <stevenb.gcc@gmail.com>
16164 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16165 constant pool references to identify stack mode constants.
16166 * rtlanal.c (constant_pool_constant_p): New predicate to check
16167 whether operand is a floating point constant in the pool.
16168 * rtl.h (constant_pool_constant_p): Prototype here.
16169 * loop.c (scan_loop): Avoid hoisting constants from the constant
16170 pool on STACK_REGS targets.
16171 (load_mems): Likewise.
16172 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16173 loads into x87 registers expensive in terms of register pressure.
16175 2006-02-19 Roger Sayle <roger@eyesopen.com>
16177 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16178 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16180 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16182 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16183 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16185 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16187 * doc/invoke.texi: Document -fipa-pta.
16188 * common.opt: Add ipa-pta option.
16189 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16190 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16191 (do_ds_constraint): Ditto.
16192 (get_constraint_for): Only add to referenced_vars if
16193 referenced_vars exists.
16194 (insert_into_field_list): Rewrite to do this unsorted.
16195 (insert_into_field_list_sorted): Rename old insert_into_field_list
16197 (create_function_info_for): Use insert_into_field_list_sorted.
16198 (create_variable_info_for): Rewrite so it uses unsorted version,
16199 since the field list is sorted.
16200 (intra_create_variable_infos): Only add to referenced_vars if
16201 referenced_vars exists.
16202 (ipa_pta_execute): Init heapvars, and delete when done.
16203 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16205 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16207 * doc/install.texi: Add missing `@samp'.
16209 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16211 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16214 2006-02-18 Mark Wielaard <mark@klomp.org>
16216 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16217 who added new 4.1 features, bug fixes and integration support.
16219 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16222 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16223 MEM for ABI_V4 pic.
16225 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16227 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16228 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16229 (copy_insn_1): Likewise. Don't copy each field individually.
16231 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16233 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16234 * rtl.c (rtx_size): Rename variable to...
16235 (rtx_code_size): ...this.
16236 (rtx_size): New function.
16237 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16238 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16240 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16241 * rtl.h (rtx_code_size): New variable.
16242 (rtx_size): Change from a variable to a function.
16243 (RTX_SIZE): Rename to...
16244 (RTX_CODE_SIZE): ...this.
16247 PR tree-optimization/17106
16248 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16249 (Anchored Addresses): New section.
16250 * doc/invoke.texi (-fsection-anchors): Document.
16251 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16252 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16253 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16254 * hooks.c (hook_bool_mode_rtx_false): New function.
16255 * hooks.h (hook_bool_mode_rtx_false): Declare.
16256 * gengtype.c (create_optional_field): New function.
16257 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16258 SYMBOL_REF_IN_BLOCK_P is true.
16259 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16260 (min_anchor_offset, max_anchor_offset): Likewise.
16261 (use_anchors_for_symbol_p): New hook.
16262 * toplev.c (compile_file): Call output_object_blocks.
16263 (target_supports_section_anchors_p): New function.
16264 (process_options): Check that -fsection-anchors is only used on
16265 targets that support it and when -funit-at-a-time is in effect.
16266 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16267 if the decl doesn't have one.
16268 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16269 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16270 of force_const_mem through use_anchored_address.
16271 (expand_expr_constant): New function.
16272 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16273 calling expand_expr for INDIRECT_REF.
16274 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16275 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16276 * expr.h (use_anchored_address): Declare.
16277 * loop-unroll.c: Don't declare rtx vectors here.
16278 * explow.c: Include output.h.
16279 (validize_mem): Call use_anchored_address.
16280 (use_anchored_address): New function.
16281 * common.opt (-fsection-anchors): New switch.
16282 * varasm.c (object_block_htab, anchor_labelno): New variables.
16283 (hash_section, object_block_entry_eq, object_block_entry_hash)
16284 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16285 (use_blocks_for_decl_p, change_symbol_section): New functions.
16286 (get_variable_section): New function, split out from assemble_variable.
16287 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16288 use_blocks_for_decl_p say so. Use change_symbol_section if the
16289 symbol has already been created.
16290 (assemble_variable_contents): New function, split out from...
16291 (assemble_variable): ...here. Don't output any code for
16292 block symbols; just pass them to place_block_symbol.
16293 Use get_variable_section and assemble_variable_contents.
16294 (get_constant_alignment, get_constant_section, get_constant_size): New
16295 functions, split from output_constant_def_contents.
16296 (build_constant_desc): Create a block symbol if use_object_blocks_p
16297 says so. Or into SYMBOL_REF_FLAGS.
16298 (assemble_constant_contents): New function, split from...
16299 (output_constant_def_contents): ...here. Don't output any code
16300 for block symbols; just pass them to place_section_symbol.
16301 Use get_constant_section and get_constant_alignment.
16302 (force_const_mem): Create a block symbol if use_object_blocks_p and
16303 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16304 (output_constant_pool_1): Add an explicit alignment argument.
16305 Don't switch sections here.
16306 (output_constant_pool): Adjust call to output_constant_pool_1.
16307 Switch sections here instead. Don't output anything for block symbols;
16308 just pass them to place_block_symbol.
16309 (init_varasm_once): Initialize object_block_htab.
16310 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16311 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16312 (place_block_symbol, get_section_anchor, output_object_block)
16313 (output_object_block_htab, output_object_blocks): New functions.
16314 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16315 (TARGET_ASM_OUT): Include it.
16316 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16317 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16318 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16319 (TARGET_INITIALIZER): Include them.
16320 * rtl.c (rtl_check_failed_block_symbol): New function.
16321 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16322 (block_symbol, object_block): New structures.
16323 (rtx_def): Add a block_symbol field to the union.
16324 (BLOCK_SYMBOL_CHECK): New macro.
16325 (rtl_check_failed_block_symbol): Declare.
16326 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16327 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16328 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16329 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16330 * output.h (output_section_symbols): Declare.
16331 (object_block): Name structure.
16332 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16333 (default_use_anchors_for_symbol_p): Declare.
16334 * Makefile.in (RTL_BASE_H): Add vec.h.
16335 (explow.o): Depend on output.h.
16336 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16337 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16338 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16339 (rs6000_use_blocks_for_constant_p): New function.
16341 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16343 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16345 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16348 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16351 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16353 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16357 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16359 PR middle-end/26334
16360 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16361 instead of DECL_REGISTER.
16363 2006-02-18 Olivier Hainque <hainque@adacore.com>
16366 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16368 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16371 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16372 * opth-gen.awk: Handle Var and InverseMask together.
16373 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16374 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16375 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16376 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16378 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16379 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16380 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16381 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16382 LINUX_DYNAMIC_LINKER): Define.
16383 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16384 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16386 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16387 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16388 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16389 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16390 (TARGET_C99_FUNCTIONS): Don't define.
16391 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16392 GLIBC_DYNAMIC_LINKER.
16393 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16394 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16395 GLIBC_DYNAMIC_LINKER64): Define.
16396 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16397 LINUX_DYNAMIC_LINKER64.
16398 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16399 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16400 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16401 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16402 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16403 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16404 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16405 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16406 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16407 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16408 and LINUX_DYNAMIC_LINKER32.
16409 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16410 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16411 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16412 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16413 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16415 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16416 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16417 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16418 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16419 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16420 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16421 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16422 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16423 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16424 LINUX_DYNAMIC_LINKER): Define.
16425 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16426 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16427 GLIBC_DYNAMIC_LINKER64): Define.
16428 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16429 LINUX_DYNAMIC_LINKER64.
16430 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16431 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16432 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16433 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16434 LINUX_DYNAMIC_LINKER): Define.
16435 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16436 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16437 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16438 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16439 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16440 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16441 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16442 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16443 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16444 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16446 * doc/invoke.texi (-muclibc): Remove caveat about supported
16449 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16451 * doc/cpp.texi (__TIMESTAMP__): Document.
16453 2006-02-17 Roger Sayle <roger@eyesopen.com>
16455 PR middle-end/25600
16456 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16457 C is one less than the width of X (and related transformations).
16458 * simplify-rtx.c (simplify_unary_operation_1): Transform
16459 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16460 depending on STORE_FLAG_VALUE, were C is one less then the
16463 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16465 Fix PR tree-optimization/26341
16466 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16467 about NAME_MEMORY_TAG's.
16469 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16472 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16473 with hardware float support, and software float support. Add fcpy
16474 alternative to hardware patterns. Add alternatives to copy between
16475 general and floating-point registers to the 32-bit pattern.
16476 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16477 secondary reload to load a QI or HI mode constant into a floating
16479 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16480 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16482 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16485 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16487 (load_macho_picbase_di): Likewise.
16489 2006-02-16 Jeff Law <law@redhat.com>
16491 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16492 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16493 (ssa_name_nonzero_p): Likewise.
16494 (get_value_range): Return NULL if VRP is not running.
16495 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16496 VRP routines do not discover a range.
16497 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16498 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16499 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16500 (tree_expr_nonnegative_p): Similarly.
16501 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16502 (restore_nonzero_vars_to_original_value): Remove.
16503 (unsafe_associative_fp_binop): Remove.
16504 (tree_ssa_dominator_optimize): Remove initialization and
16505 finalization of nonzero_vars and nonzero_vars_stack.
16506 (dom_opt_initialize_block): No longer push marker on
16507 nonzero_vars_stack.
16508 (dom_opt_finalize_block): No longer call
16509 restore_nonzero_vars_to_original_value.
16510 (record_equivalences_from_phis): No longer look for
16511 nonzero PHI arguments.
16512 (cprop_into_successor_phis): No longer propagate nonzero
16513 property into PHI arguments. Lose unused argument. Caller
16515 (record_equivalences_from_stmt): No longer record nonzero
16516 values for SSA_NAMEs.
16517 (lookup_avail_expr): No longer use nonzero_vars.
16519 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16520 for sizetype when sizetype is unsigned.
16522 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16524 PR rtl-optimization/25603
16525 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16526 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16527 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16528 with new meaning of SETS.
16530 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16535 * config/linux.opt: New file.
16536 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16537 LINUX_DYNAMIC_LINKER): Define.
16538 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16539 * config.gcc (*-*-linux*): Define extra_options.
16540 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16541 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16542 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16543 GLIBC_DYNAMIC_LINKER.
16544 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16545 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16546 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16547 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16548 * doc/invoke.texi (GNU/Linux Options): New section.
16550 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16552 * config/sparc/sparc.md (setjmp): Rewrite.
16553 (setjmp_32): Delete.
16554 (setjmp_64): Likewise.
16556 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16558 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16561 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16563 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16566 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16568 PR rtl-optimization/26296
16569 * Makefile.in (loop-invariant.c): Add except.h dependency.
16570 * loop-invariant.c: Include except.h.
16571 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16573 2005-02-16 Paul Brook <paul@codesourcery.com>
16575 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16578 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16580 PR rtl-optimization/25636
16581 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16582 when deciding whether an insn is an initializing insn.
16584 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16586 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16587 (tree_code_size): Ditto.
16588 * tree.h (struct tree_memory_tag): Remove parent_var.
16589 (struct tree_struct_field_tag): New.
16592 (union tree_node): Add sft member.
16593 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16595 (create_sft): Add size and offset argument, set SFT_OFFSET and
16597 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16598 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16599 * tree-flow-inline.h (get_subvar_at): Update for
16600 SFT_OFFSET/SFT_SIZE.
16601 (var_can_have_subvars): Ditto.
16602 (overlap_subvar): Ditto.
16603 * print-tree.c (print_node): Print out interesting things for
16605 * tree-flow.h (struct subvar): Remove offset and size members.
16606 * tree-ssa-operands.c (get_expr_operands): Update for
16607 get_indirect_ref_operands changes.
16608 (get_indirect_ref_operands): Call add_virtual_operand instead of
16609 add_stmt_operand. Only recurse on base var if requested.
16610 (access_can_touch_variable): New function.
16611 (add_stmt_operand): Split virtual operand handling into ...
16612 (add_virtual_operand): Here. Add offset, size, and for_clobber
16613 arguments. Prune alias sets.
16614 (add_call_clobber_ops): Call add_virtual_operand.
16616 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16618 PR middle-end/26300
16619 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16621 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16622 than TREE_CODE as index into omp_clause_num_ops array.
16624 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16626 PR rtl-optimization/26184
16627 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16629 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16630 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16631 must_precede, must_follow and tobe_scheduled.
16634 * opts.c (common_handle_option): Free new_option pointer.
16635 * df-core.c (df_analyze): Free postorder pointer.
16637 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16639 * Makefile.in: Fix the examples about the use of stamps
16641 2006-02-15 Michael Matz <matz@suse.de>
16643 PR middle-end/22275
16645 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16646 influenced by maximum_field_alignment or DECL_PACKED.
16647 (update_alignment_for_field): Ditto.
16648 (place_field): Ditto.
16649 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16652 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16654 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16655 (debug_flow_info): Pass it.
16656 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16657 * bb-reorder.c (reorder_basic_blocks): Likewise.
16658 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16659 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16660 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16661 * gcse.c (gcse_main, bypass_jumps): Likewise.
16662 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16663 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16664 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16665 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16666 * rtl.h (dump_flow_info): Adjust prototype.
16667 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16668 * var-tracking.c (variable_tracking_main): Likewise.
16669 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16670 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16673 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16675 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16678 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16680 PR tree-optimization/26209
16681 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16682 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16684 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16686 2006-02-14 Roger Sayle <roger@eyesopen.com>
16688 PR middle-end/23670
16689 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16690 (X,Y) and the corresponding symmetry related transformations.
16691 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16692 (X,Y) and its symmetry related transformations.
16694 2006-02-14 Roger Sayle <roger@eyesopen.com>
16696 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16699 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16701 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16703 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16706 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16707 support COMDAT group.
16708 * configure: Regenerate.
16710 2006-02-14 Roger Sayle <roger@eyesopen.com>
16712 PR middle-end/26279
16713 PR middle-end/26280
16714 PR middle-end/26283
16715 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16717 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16719 Fix PR tree-optimization/26260
16721 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16723 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16724 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16725 * tree-ssa-structalias.c (create_variable_info_for): Use
16726 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16728 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16730 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16732 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16733 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16734 of the ending condition.
16735 * tree-ssa-loop-manip.c: Include params.h.
16736 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16737 tree_unroll_loop): New functions.
16738 * tree-pass.h (pass_loop_prefetch): Declare.
16739 * loop.c (rest_of_handle_loop_optimize): Test for
16740 -fprefetch-loop-arrays-rtl.
16741 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16742 * timevar.def (TV_TREE_PREFETCH): New timevar.
16743 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16744 pass_loop_prefetch): New.
16745 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16746 (cleanup_tree_cfg_loop): Call scev_reset.
16747 * common.opt (fprefetch-loop-arrays-rtl): Add.
16748 * tree-ssa-loop-prefetch.c: New file.
16749 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16750 (new_temp_expr_table): Initialize expr_vars.
16751 (free_temp_expr_table): Cleanup expr_vars.
16752 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16753 expressions from being merged into one.
16754 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16755 (struct tree_niter_desc): Add control, bound and cmp fields.
16756 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16758 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16759 (tree-cfgcleanup.o): Add SCEV_H dependency.
16760 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16761 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16763 2006-02-14 Richard Guenther <rguenther@suse.de>
16765 PR tree-optimization/26258
16766 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16767 in PHI argument processing.
16769 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16771 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16772 new expression in the requested machine mode.
16774 2006-02-13 Roger Sayle <roger@eyesopen.com>
16776 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16777 directly, instead let do_compare_rtx_and_jump handle this for us.
16778 * expr.c (expand_expr_real_1): Likewise.
16779 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16780 before do_jump_by_parts_greater.
16781 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16782 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16784 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16786 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16788 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16790 PR rtl-optimization/26235
16791 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16792 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16795 2006-02-13 Jeff Law <law@redhat.com>
16797 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16800 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16802 PR middle-end/26092
16803 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16804 twice if decl is a builtin. When trying again, call get_callee_fndecl
16805 first to verify it is still a builtin.
16807 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16809 * dwarf2out.c (base_type_die): Don't add AT_name here.
16810 (subrange_type_die): Don't add AT_name here.
16811 (modified_type_die): Rearrange code flow. Do add AT_name here.
16813 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16815 PR rtl-optimization/26247
16816 PR rtl-optimization/26248
16817 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16819 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16821 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16822 * config/fixtfdi.c: Likewise.
16823 * config/fixunstfdi.c: Likewise.
16824 * config/floatditf.c: Likewise.
16826 2006-02-13 Roger Sayle <roger@eyesopen.com>
16828 PR middle-end/24427
16829 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16830 into (X,C2) if C1 is a subset of the bits of C2. Transform
16831 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16833 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16835 2006-02-13 Josh Conner <jconner@apple.com>
16838 * varasm.c (function_section): Check for section name before
16839 calling select_section on targets that define
16840 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16841 unlikely_text_section instead of hot_function_section if
16842 first_function_block_is_cold.
16844 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16846 PR middle-end/25335
16847 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16849 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16851 PR rtl-optimization/26222
16852 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16853 after tree->rtl expansion.
16854 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16855 before passing it to emit_move_insn.
16857 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16859 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16861 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16862 Clarify documentation.
16863 * c-common.h (warn_write_strings): Remove.
16864 * c-common.c (warn_write_strings): Likewise.
16865 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16868 2006-02-12 Roger Sayle <roger@eyesopen.com>
16870 PR middle-end/25724
16871 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16872 (do_jump_parts_zero_rtx): New function renamed from
16873 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16874 (do_jump_parts_equality_rtx): New function split out from
16875 do_jump_parts_equality. Old implementation renamed as above.
16876 Call do_jump_parts_zero_rtx if either operand is zero.
16877 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16878 do all of the heavy lifting.
16879 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16880 calling either do_jump_by_parts_greater_rtx or
16881 do_jump_by_parts_equality_rtx.
16882 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16883 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16884 moved to do_compare_rtx_and_jump, call it directly.
16885 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16886 mode argument. Call do_compare_rtx_and_jump.
16887 (emit_case_nodes): Update calls to do_jump_if_equal.
16889 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16891 PR rtl-optimization/26225
16892 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16894 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16896 PR rtl-optimization/26232
16897 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16899 2006-02-11 Jason Merrill <jason@redhat.com>
16902 * tree-inline.c (declare_return_variable): Just don't use the
16903 modify target if it's a gimple complex reg and the return slot
16906 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16908 * doc/contrib.texi: Update my entry.
16910 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16912 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16914 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16916 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16919 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16921 * doc/invoke.texi (-floop-optimize2): Removed.
16922 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16923 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16924 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16925 * common.opt (floop-optimize2): Removed.
16926 (fmove-loop-invariants): Enabled by default.
16928 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16930 * tree-if-conv.c (combine_blocks): Free the result of
16931 get_loop_exit_edges.
16933 2006-02-10 Jeff Law <law@redhat.com>
16935 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16937 PR tree-optimization/26213
16938 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16939 loop trying to follow SSA_NAME_VALUE chains.
16941 2006-02-10 Richard Guenther <rguenther@suse.de>
16943 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16944 deal with structures that end in implicitly variable sized arrays.
16946 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16948 PR rtl-optimization/24762
16949 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16952 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16954 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16955 (struct ivopts_data): Add regs_used field.
16956 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16957 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16958 instead of loop_data->regs_used;
16959 (free_loop_data): Do not free aux fields for loops.
16960 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16961 and tree_ssa_iv_optimize_finalize.
16963 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16965 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16967 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16970 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16971 computing the effective result type.
16973 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16975 PR inline-asm/16194
16976 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16977 (tree_overlaps_hard_reg_set): Declare.
16978 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16979 type and signature to match function type expected by walk_tree.
16980 (tree_overlaps_hard_reg_set): New function.
16981 (decl_conflicts_with_clobbers_p): Rename to:
16982 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16983 Use tree_overlaps_hard_reg_set. Changed caller.
16984 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16985 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16986 * cris.c (cris_md_asm_clobbers): Likewise.
16988 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16990 * reload1.c (emit_input_reload_insns): Delete code that tries to
16991 inherit using find_equiv_reg.
16993 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16995 * c-common.h (flag_const_strings): Don't declare.
16996 * c-common.c (flag_const_strings): Remove.
16997 * c.opt (fconst_strings): Remove.
16998 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16999 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17000 (c_common_init_options): Don't set flag_const_strings.
17001 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17003 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17005 * arm.md (tlobits_cbranch): New pattern.
17006 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17007 testing a single bit.
17009 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17012 * tree-ssa-pre.c (create_component_ref_by_pieces):
17013 Handle RETURN_DECL like VAR_DECL.
17015 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17017 PR middle-end/26134
17018 * fold-const.c (fold_indirect_ref_1): Fold
17019 "*(foo *)&complexfoo" to "__real__ complexfoo"
17020 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17022 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17024 * tree-flow-inline.h (var_can_have_subvars):
17025 Volatile variables should not have subvariables.
17027 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17030 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17031 multiplying unsigned values.
17034 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17036 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17038 2006-02-08 Jason Merrill <jason@redhat.com>
17041 * tree.def: Elaborate on difference from MODIFY_EXPR.
17042 * doc/c-tree.texi (INIT_EXPR): Likewise.
17043 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17044 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17045 (gimplify_target_expr): Likewise.
17046 (gimplify_cond_expr): Remove target handling.
17047 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17048 (gimplify_expr): Clobber it here.
17049 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17050 Do return slot optimization if we have an INIT_EXPR.
17053 * tree-inline.c (declare_return_variable): Also clear
17054 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17057 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17059 PR middle-end/22439
17060 * gimplify.c (gimplify_one_sizepos): Fix typo.
17062 2006-02-08 Jeff Law <law@redhat.com>
17064 PR tree-optimization/21417
17065 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17066 across a backedge if the control statement at the end of the
17067 block is data dependent on other statements in the same block.
17068 (record_temporary_equivalences_from_stmts): Remove over-conservative
17069 test for threading across backedges.
17071 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17072 control statement, handle all three special cases in the same
17073 manner as they all have the same desired solution. No longer
17074 special case edge flag updating when the post dominator is
17077 2006-02-08 Roger Sayle <roger@eyesopen.com>
17079 * tree.def (CHAR_TYPE): Remove.
17080 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17081 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17082 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17083 (gen_string_type_die): Delete unreachable function.
17085 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17086 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17087 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17088 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17089 * builtins.c (type_to_class): Likewise.
17090 * fold-const.c (fold_convert, build_range_check,
17091 merge_ranges): Likewise.
17092 * expr.c (count_type_elements): Likewise.
17093 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17094 * stor-layout.c (layout_type): Likewise.
17095 * ipa-type-escape.c (type_to_consider): Likewise.
17096 * gimplify.c (omp_firstprivatize_type_sizes,
17097 gimplify_type_sizes): Likewise.
17098 * explow.c (promote_mode): Likewise.
17099 * tree-sra.c (is_sra_scalar_type): Likewise.
17100 * varasm.c (output_constant): Likewise.
17101 * tree-inline.c (remap_type_1): Likewise.
17102 * convert.c (convert_to_pointer, convert_to_real,
17103 convert_to_integer, convert_to_complex): Likewise.
17105 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17107 * df-scan.c (df_def_record_1): A set destination may
17108 be a parallel regardless of mode.
17110 2006-02-08 Roger Sayle <roger@eyesopen.com>
17113 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17114 * config/mips/_tilib.c: Remove.
17115 * config/fixtfdi.c: New libgcc source file.
17116 * config/fixunstfdi.c: New source file.
17117 * config/floatditf.c: New source file.
17118 * config/floatunditf.c: New souce file.
17119 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17120 files above instead of config/mips/_tilib.c.
17121 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17123 2006-02-08 Jeff Law <law@redhat.com>
17125 PR tree-optimization/26169
17126 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17129 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17131 * df.h (DF_REG_SIZE): Return the length of the initialized
17134 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17136 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17137 __muldf3): Return a correctly signed zero.
17139 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17141 * passes.c (register_one_dump_file): Accept the current properties
17142 instead of pass number. Adjust call to dump_register. Remove
17144 (register_dump_files): Now a wrapper around...
17145 (register_dump_files_1): ... this one. Do not modify the pass
17147 (next_pass_1): Cosmetic fix.
17148 (execute_todo): Keep second parameter only. Use curr_properties
17149 instead of fetching it from the pass structure. Check and set
17151 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17152 instead of fetching it from the pass structure. Fix calls to
17153 execute_todo. Update curr_properties and initialize .vcg RTL dump
17154 after running the pass. Reset last_verified.
17155 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17157 (FIRST_AUTO_NUMBERED_DUMP): New.
17158 (dump_register): Remove "num" parameter, assign it within the
17160 (get_dump_file_name): Modify template for dumps.
17161 * tree-dump.h (dump_register): Adjust prototype.
17162 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17163 (PROP_trees): Add PROP_gimple_lomp.
17164 (TODO_set_props): New.
17165 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17166 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17167 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17169 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17171 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17172 (sparc64-*-linux*): Likewise.
17173 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17174 * config/sparc/t-linux: New file.
17175 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17176 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17177 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17178 -m32 -mlong-double-128.
17180 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17181 * config/alpha/t-linux: New file.
17182 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17184 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17185 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17186 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17187 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17188 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17189 (CPP_ARCH32_SPEC): Remove.
17191 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17193 PR tree-optimization/26145
17194 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17197 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17200 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17201 >= 240000 when generating code for SOM runtime.
17202 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17203 to $$dyncall when generating code for SOM runtime..
17205 2006-02-07 Dirk Mueller <dmueller@suse.com>
17208 * doc/invoke.texi (-Wsequence-point): Update documentation
17209 that -Wsequence-point is implemented for C++ as well.
17211 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17213 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17214 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17215 (LIB_SPEC): Likewise.
17216 * doc/invoke.texi (SPARC options): Document -pthread.
17218 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17220 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17223 2006-02-07 Roger Sayle <roger@eyesopen.com>
17225 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17226 Correct comment describing BOOLEAN_TYPE.
17228 2006-02-07 Dirk Mueller <dmueller@suse.com>
17230 * c.opt: C++ frontend supports -Wdiv-by-zero.
17231 * c-opts.c (c_common_handle_option): Remove dead case.
17233 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17235 * configure.ac (TLS assembler check): Do not enable TLS by
17236 default on SPARC/Solaris before version 10.
17237 * configure: Regenerate.
17239 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17241 * doc/invoke.texi (xl-compat): Document conversion and support
17244 2006-02-07 Jeff Law <law@redhat.com>
17246 * tree-vrp.c (find_conditional_asserts): Update comments.
17247 (simplify_stmt_for_jump_threading): New.
17248 (identify_jump_threads, finalize_jump_threads): New.
17249 (vrp_finalize): Call identify_jump_threads.
17250 (execute_vrp): Call finalize_jump_threads.
17251 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17252 (vrp_element, vrp_data, vrp_element_p): Remove.
17253 (vrp_hash_elt, vrp_variables_stack): Remove.
17254 (vrp_hash, vrp_eq, record_range): Remove.
17255 (simplify_cond_and_lookup_avail_expr): Remove.
17256 (extract_range_from_cond): Remove.
17257 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17258 (simplify_stmt_for_jump_threading): New.
17259 (dom_thread_across_edge): New wrapper.
17260 (tree_ssa_dominator_optimize): No longer initialize or
17261 finalize any of the VRP datastructures. Remove iteration
17262 step and simplify as a result of removal of iteration step.
17263 (pass_dominator): Perform a cfg cleanup after DOM.
17264 (dom_opt_finalize_block): Use the new common routines
17265 for threading jumps. Simplify stack management slightly.
17266 No longer need to unwind VRP state.
17267 (record_equivalences_from_incoming_edge): No longer record
17269 (eliminate_redundant_computations): No longer call
17270 simplify_cond_and_lookup_avail_expr.
17271 * tree-flow.h (potentially_threadable_block): Prototype.
17272 (thread_across_edge): Likewise.
17273 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17274 (tree-ssa-threadedge.o): Add dependencies.
17275 * tree-ssa-threadedge.c: New file.
17276 * passes.c (init_optimization_passes): Merge PHIs before
17277 calling VRP. Run VRP again late in the SSA optimization pipeline.
17279 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17281 * df-core.c (df_set_blocks): Do not dereference function pointers.
17282 (df_finish1): Likewise.
17283 (df_hybrid_search_forward): Likewise.
17284 (df_hybrid_search_backward): Likewise.
17285 (df_iterative_dataflow): Likewise.
17286 (df_analyze_problem): Likewise.
17287 (df_compact_blocks): Likewise.
17288 (df_dump): Likewise.
17289 * df-scan.c (df_rescan_blocks): Likewise.
17290 (df_record_entry_block_defs): Likewise.
17292 * genconditions.c (write_conditions): Guard the definition of
17293 'insn_conditions' with the check on GCC version.
17294 (write_writer): Guard the traversal 'insn_conditions' with
17295 the check on GCC version.
17297 2006-02-07 Richard Guenther <rguenther@suse.de>
17301 2006-01-30 Richard Guenther <rguenther@suse.de>
17303 * gimplify.c (gimplify_target_expr): Handle easy cases
17304 without creating a temporary.
17306 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17308 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17309 use of float in probability computations. Use edge probabilities
17310 in place of statically computed probabilities.
17311 (min_spec_prob): New static variable.
17312 (schedule_insns): Initialize it.
17313 (GET_SRC_PROB): Removed.
17314 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17316 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17319 * config/ia64/unwind-ia64.c: Revert last change.
17320 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17321 (INCOMING_FRAME_SP_OFFSET): Define.
17323 2006-02-06 Roger Sayle <roger@eyesopen.com>
17325 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17327 2006-02-07 Ben Elliston <bje@au.ibm.com>
17329 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17330 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17331 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17332 (ix86_return_in_memory): Handle TDmode.
17333 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17334 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17336 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17338 * reorg.c (dbr_schedule): Use dump_file instead of file.
17340 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17343 * config/ia64/predicates.md (extr_len_operand): New predicate.
17344 * config/ia64/ia64.md (extv): Tighten constraints.
17346 (*tbit_and_2): Ditto.
17347 (*tbit_and_3): Ditto.
17348 (*tbit_or_2): Ditto.
17349 (*tbit_or_3): Ditto.
17350 (*bit_zero): Ditto.
17353 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17356 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17358 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17360 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17361 loop_optimizer_init and loop_optimizer_finalize
17362 * tree-ssa-sink.c (execute_sink_code): Ditto.
17363 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17364 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17365 tree_ssa_loop_done): Ditto.
17366 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17367 * sched-ebb.c: Include output.h.
17368 (schedule_ebbs): Do not use dump argument.
17369 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17370 * loop.c (loop_dump_stream): Removed.
17371 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17373 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17374 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17375 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17376 loop_iterations, strength_reduce, record_biv, record_giv,
17377 final_giv_value, check_final_value, check_ext_dependent_givs,
17378 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17379 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17380 dump_file instead of loop_dump_stream.
17381 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17382 argument dump_file.
17383 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17385 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17386 * haifa-sched.c: Include output.h
17387 (schedule_insns, sched_init): Do not use dump argument.
17388 * mode-switching.c (optimize_mode_switching): Ditto.
17389 * modulo-sched.c (stats_file): Removed.
17390 (print_node_sched_params): Do not call argument dump_file.
17391 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17392 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17394 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17396 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17397 rtl_loop_init, rtl_loop_done): Ditto.
17398 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17399 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17401 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17402 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17403 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17404 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17405 * emit-rtl.c (renumber_insns): Ditto.
17406 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17407 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17408 * regclass.c (regclass): Ditto.
17409 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17410 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17411 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17412 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17414 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17415 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17417 * gcse.c (gcse_file, debug_stderr): Removed.
17418 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17419 rest_of_handle_gcse): Do not use dump argument.
17420 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17421 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17422 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17423 compute_code_hoist_vbeinout, compute_code_hoist_data,
17424 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17425 compute_store_table, build_store_vectors, insert_insn_start_bb,
17426 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17427 store_motion): Use dump_file instead of gcse_file.
17428 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17429 * profile.c (profile_dump_file): Removed.
17430 (branch_prob): Use dump_file instead of profile_dump_file.
17431 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17433 * tree-ssa-copy.c (dump_copy_of): Ditto.
17434 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17435 dump file to life_analysis.
17436 * bt-load.c (branch_target_load_optimize): Ditto.
17437 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17439 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17440 regclass, dbr_schedule): Declaration changed.
17441 * sched-int.h (sched_init): Declaration changed.
17442 * tree-profile.c (tree_profile_dump_file): Removed.
17443 (tree_profile_hooks): Removed profile_dump_file hook.
17444 * rtl-profile (rtl_profile_dump_file): Removed.
17445 (rtl_profile_hooks): emoved profile_dump_file hook.
17446 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17448 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17449 * tree-cfg.c (build_tree_cfg): Ditto.
17450 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17451 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17452 Declaration changed.
17453 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17454 life_analysis and schedule_insns.
17455 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17457 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17459 * config/mips/mips.c (mips_reorg): Ditto.
17460 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17463 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17465 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17466 (s390_mangle_fundamental_type): New.
17467 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17470 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17471 (alpha_mangle_fundamental_type): New.
17472 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17475 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17477 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17479 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17480 (sparc_mangle_fundamental_type): New.
17482 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17484 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17485 (s390x-*-linux*): Likewise.
17486 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17487 * config/s390/t-linux: New file.
17489 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17491 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17492 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17494 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17496 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17497 (ANTIC_SAFE_LOADS): New macro.
17498 (find_or_generate_expression): Add prototype.
17499 (set_contains_value): Allow null set for sake of not always having
17500 to allocate ANTIC_SAFE_LOADS.
17501 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17502 Allow COMPONENT_REF too.
17503 (valid_in_set): Allow COMPONENT_REF.
17504 Check ANTIC_SAFE_LOADS too.
17505 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17506 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17508 (can_PRE_operation): Add COMPONENT_REF.
17509 (create_component_ref_by_pieces): New function.
17510 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17511 (insert_aux): Move AGGREGATE_TYPE_P check here.
17512 (compute_avail): Set bb local stmt uids.
17513 (pass_pre): Use TODO_update_ssa_only_virtuals.
17515 2006-02-06 Ben Elliston <bje@au.ibm.com>
17517 * configure.ac: Unconditionally disable decimal float by default.
17518 * configure: Regenerate.
17520 2006-02-06 Ben Elliston <bje@au.ibm.com>
17522 * read-rtl.c (read_name): Terminate reading on EOF.
17524 2006-02-06 Ben Elliston <bje@au.ibm.com>
17526 * dfp.c (decimal_real_arithmetic): Change second argument type
17527 from int to enum tree_code. Do not always return true, but now
17528 return result of any call to decimal_do helper functions.
17529 * dfp.h (decimal_real_arithmetic): Update prototype.
17531 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17533 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17535 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17538 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17541 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17543 * tree-vrp.c (cfg_loops): Removed.
17544 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17545 Use current_loops instead of cfg_loops. Pass flags to
17546 loop_optimizer_init.
17547 * cfgloopmanip.c (fix_loop_structure): Update only available
17549 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17550 loop_optimizer_init.
17551 * modulo-sched.c (build_loops_structure): Removed.
17552 (sms_schedule): Use loop_optimizer_init.
17553 * loop-init.c (loop_optimizer_init): Use flags to determine
17554 which properties of loops to prepare.
17555 (rtl_loop_init): Pass flags to loop_optimizer_init.
17556 * tree-ssa-sink.c (execute_sink_code): Ditto.
17557 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17558 * tree-ssa-pre.c (init_pre): Ditto.
17559 * cfgloop.h (LOOPS_NORMAL): New.
17560 (loop_optimizer_init): Declaration changed.
17562 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17564 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17565 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17567 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17569 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17571 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17572 * pa/t-pa64: Delete quadlib.c rule.
17573 * pa/x-ada: Revert last change.
17574 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17576 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17578 PR rtl-optimization/26087
17579 * rtlanal.c (canonicalize_condition): Do not cross basic block
17582 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17585 * config/ia64/ia64.c: Include debug.h.
17586 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17587 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17588 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17589 (process_epilogue, process_set, process_for_unwind_directive):
17590 Output unwind info only if requested. Add CFA info if requested.
17591 Add new arguments as needed. Adjust callers.
17592 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17594 (DWARF2_FRAME_INFO): Define to zero.
17595 * config/ia64/unwind-ia64.c: Remove code that compensated for
17596 the CFA offset error fixed above.
17597 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17598 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17599 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17600 -funwind-tables and -fexceptions to enable frame info.
17601 (dwarf2out_frame_init): Define initial CFA even if
17602 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17603 DWARF2_UNWIND_INFO is nonzero, not just defined.
17604 (dwarf2out_frame_finish): Output non-EH call frame info only
17605 if DWARF2_FRAME_INFO is nonzero.
17606 (convert_cfa_to_loc_list,
17607 compute_frame_pointer_to_cfa_displacement): Define even if
17608 unwind info is not supported.
17609 (gen_subprogram_die): Use the above unconditionally. Remove
17610 legacy alternate code.
17611 * toplev.c (compile_file): Compile in call to
17612 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17613 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17615 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17616 Jakub Jelinek <jakub@redhat.com>
17618 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17619 IBM extended float format long double as "g" on powerpc*-linux.
17621 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17624 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17625 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17627 2006-02-03 Jason Merrill <jason@redhat.com>
17630 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17632 PR middle-end/25977
17633 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17634 on the return slot if it's an NRV.
17636 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17638 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17639 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17640 rewrite_use): Do not handle USE_OUTER.
17641 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17642 add_iv_outer_candidates, may_replace_final_value,
17643 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17644 (find_interesting_uses_op): Functionality of
17645 find_interesting_uses_outer_or_nonlin moved here.
17646 (find_interesting_uses_outside): Use find_interesting_uses_op.
17648 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17651 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17653 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17654 Ulrich Weigand <uweigand@de.ibm.com>
17657 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17658 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17659 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17660 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17662 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17663 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17664 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17665 Define secondary reloads for TFmode moves.
17666 (constant_modes): Add TFmode.
17667 (NR_C_MODES): Set to 8.
17668 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17670 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17671 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17672 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17673 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17674 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17675 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17676 (FPR mode macro): Add TFmode.
17677 (DSF mode macro): New.
17678 (<de>, <dee> mode attributes): Removed.
17679 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17680 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17681 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17682 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17683 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17684 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17685 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17686 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17687 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17688 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17689 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17690 "*negabs<mode>2", "sqrt<mode>2"):
17691 Changed <de> to <xde>. R constraint replaced by <Rf>.
17692 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17694 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17695 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17696 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17698 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17699 "extenddftf2", "extendsftf2"): New expanders.
17700 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17701 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17702 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17703 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17705 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17706 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17707 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17708 __floatditf): Add a GCC_4.1.0 symbol version tag.
17709 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17712 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17715 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17716 Use targetm.binds_local_p instead of TREE_PUBLIC.
17718 2006-02-02 Roger Sayle <roger@eyesopen.com>
17720 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17721 on INTEGER_TYPEs to indicate that it denotes a character type.
17722 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17723 signed_char_type_node, unsigned_char_type_node and char_type_node.
17724 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17725 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17726 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17728 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17729 Daniel Berlin <dberlin@dberlin.org>
17731 * tree-tailcall.c (arg_needs_copy_p): New function.
17732 (eliminate_tail_call): Use arg_needs_copy_p.
17733 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17734 (add_virtual_phis): New function.
17736 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17738 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17739 #ignore instead of #scratch for %g7 .register directive.
17741 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17743 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17746 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17748 * flow.c (calculate_global_regs_live): Assert that there aren't any
17751 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17753 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17754 what its name says.
17755 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17756 bsi_after_labels iterator.
17757 * tree-if-conv.c (find_phi_replacement_condition,
17758 replace_phi_with_cond_modify_expr): Likewise.
17759 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17760 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17762 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17764 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17766 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17769 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17770 array after growing it.
17772 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17774 PR middle-end/24901
17775 * fold-const.c (fold_checksum_tree): Change type of buf.
17777 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17779 * reload.c (push_secondary_reload): Initialize t_icode.
17781 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17783 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17784 -msoft-float -mlong-double-128 only issue a warning, but don't
17785 swich to DFmode long double.
17787 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17789 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17790 has a constant equivalent, iterate over equivalents for arg0,
17791 calling simplify_relational_operation and if there's a result
17792 cheaper than X, apply fold_rtx and return the result.
17794 2006-02-01 Jan Hubicka <jh@suse.cz>
17796 * opts.c (no_unit_at_a_time_default): New global variable.
17797 (decode_options): Use it.
17798 * opts.h (no_unit_at_a_time_default): Declare.
17800 2006-02-01 Paul Brook <paul@codesourcery.com>
17802 * function.c (assign_parm_setup_reg): Use function argument promotion
17804 * expr.c (expand_expr_real_1): Use function argument promotion rules
17807 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17809 * gcc.c (process_command): Change j to 'unsigned int'.
17811 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17813 PR middle-end/26001
17814 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17815 Use the corrected index for the character
17816 out of the string constant.
17818 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17820 * mode-switching.c (optimize_mode_switching): Fix size
17821 allocated for bb_info[n_entities].
17823 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17825 * gcc.c (main): Correct type that is allocated for
17826 explicit_link_files.
17828 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17830 * config/s390/s390.c (init_alignment_context): Set
17831 ALIAS_SET_MEMORY_BARRIER on the MEM.
17832 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17834 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17836 PR middle-end/25933
17837 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17839 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17842 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17844 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17845 * regrename.c: Ditto.
17846 * tree-ssa-loop-im.c: Ditto.
17847 * tree-dump.c: Ditto.
17848 * tree-complex.c: Ditto.
17849 * genrecog.c: Ditto.
17850 * tree-ssa-threadupdate.c: Ditto.
17852 * java/class.c: Ditto.
17853 * java/jcf-parse.c: Ditto.
17854 * java/resource.c: Ditto.
17855 * java/except.c: Ditto.
17856 * java/jvspec.c: Ditto.
17857 * java/jcf-write.c: Ditto.
17858 * java/jcf-path.c: Ditto.
17859 * java/gjavah.c: Ditto.
17860 * java/zextract.c: Ditto.
17861 * java/jcf-io.c: Ditto.
17862 * java/jcf.h: Ditto.
17863 * java/buffer.c: Ditto.
17864 * java/lang.c: Ditto.
17865 * java/parse-scan.y: Ditto.
17866 * java/lex.c: Ditto.
17867 * java/lex.h: Ditto.
17868 * cfgloopmanip.c: Ditto.
17869 * postreload-gcse.c: Ditto.
17870 * tree-ssa-loop-manip.c: Ditto.
17871 * postreload.c: Ditto.
17872 * tree-ssa-loop-ch.c: Ditto.
17875 * cppspec.c: Ditto.
17876 * diagnostic.c: Ditto.
17878 * genoutput.c: Ditto.
17880 * cfghooks.c: Ditto.
17881 * cfgloopanal.c: Ditto.
17882 * objc/objc-act.c: Ditto.
17884 * genextract.c: Ditto.
17885 * genautomata.c: Ditto.
17886 * pretty-print.c: Ditto.
17887 * genemit.c: Ditto.
17888 * cgraphunit.c: Ditto.
17890 * df-scan.c: Ditto.
17891 * haifa-sched.c: Ditto.
17892 * dominance.c: Ditto.
17894 * tree-ssa-loop-ivopts.c: Ditto.
17895 * df-core.c: Ditto.
17896 * mode-switching.c: Ditto.
17897 * modulo-sched.c: Ditto.
17899 * ipa-pure-const.c: Ditto.
17901 * fix-header.c: Ditto.
17903 * tree-stdarg.c: Ditto.
17904 * ipa-utils.c: Ditto.
17905 * loop-init.c: Ditto.
17906 * ipa-inline.c: Ditto.
17907 * cfganal.c: Ditto.
17909 * alloc-pool.c: Ditto.
17910 * dwarf2out.c: Ditto.
17912 * genattrtab.c: Ditto.
17913 * tree-ssa-loop-ivcanon.c: Ditto.
17914 * predict.c: Ditto.
17915 * timevar.c: Ditto.
17917 * fortran/gfortranspec.c: Ditto.
17918 * regmove.c: Ditto.
17919 * local-alloc.c: Ditto.
17920 * langhooks.c: Ditto.
17921 * function.c: Ditto.
17922 * tree-vectorizer.c: Ditto.
17924 * ipa-type-escape.c: Ditto.
17926 * tree-if-conv.c: Ditto.
17927 * profile.c: Ditto.
17929 * tree-data-ref.c: Ditto.
17930 * loop-unroll.c: Ditto.
17931 * treelang/treetree.c: Ditto.
17933 * bt-load.c: Ditto.
17934 * ggc-common.c: Ditto.
17936 * coverage.c: Ditto.
17938 * tree-cfgcleanup.c: Ditto.
17939 * tree-ssa-pre.c: Ditto.
17940 * cfgcleanup.c: Ditto.
17941 * loop-invariant.c: Ditto.
17942 * loop-iv.c: Ditto.
17943 * ipa-prop.c: Ditto.
17944 * print-tree.c: Ditto.
17945 * conflict.c: Ditto.
17946 * ggc-page.c: Ditto.
17947 * sched-deps.c: Ditto.
17948 * regclass.c: Ditto.
17949 * tree-object-size.c: Ditto.
17950 * combine.c: Ditto.
17951 * bb-reorder.c: Ditto.
17952 * resource.c: Ditto.
17953 * var-tracking.c: Ditto.
17954 * cfgloop.c: Ditto.
17955 * df-problems.c: Ditto.
17956 * reg-stack.c: Ditto.
17958 * gccspec.c: Ditto.
17959 * sched-rgn.c: Ditto.
17960 * tree-ssa-structalias.c: Ditto.
17961 * tree-ssa-reassoc.c: Ditto.
17962 * config/darwin-c.c: Ditto.
17963 * config/darwin.c: Ditto.
17964 * config/arm/arm.c: Ditto.
17966 * collect2.c: Ditto.
17967 * reload1.c: Ditto.
17969 2006-01-31 Nicolas Pitre <nico@cam.org>
17971 * arm.md (smaxsi3): Make aware of smax_m1.
17974 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17976 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17978 2006-01-31 Richard Guenther <rguenther@suse.de>
17980 * doc/invoke.texi (-msselibm): Document.
17981 * target.h (expand_library_builtin): New target hook.
17982 * builtins.c (expand_builtin): Use expand_library_builtin.
17983 (default_expand_library_builtin): New function.
17984 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17985 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17986 (link_gcc_math_spec): Declare.
17987 (static_specs): Add link_gcc_math_spec.
17988 * expr.h (default_expand_library_builtin): Declare.
17989 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17990 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17991 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17992 * config/i386/i386.opt (msselibm): New target option.
17993 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17994 (ix86_init_sse_abi_builtins): New function.
17995 (ix86_expand_library_builtin): Likewise.
17996 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17997 (override_options): Handle error conditions wrt -msselibm.
17998 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17999 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18000 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18003 2006-01-31 Richard Guenther <rguenther@suse.de>
18004 Paolo Bonzini <bonzini@gnu.org>
18006 * doc/install.texi (--disable-libgcc-math): Document.
18008 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18010 * expr.h (expand_normal): new inline function.
18011 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18012 * dojump.c: use it.
18013 * dwarf2out.c: use it.
18016 * expmed.c: use it.
18017 * except.c: use it.
18018 * config/sparc/sparc.c: use it.
18019 * config/i386/i386.c: use it.
18020 * config/rs6000/rs6000.c: use it.
18021 * config/arm/arm.c: use it.
18022 * config/mips/mips.c: use it.
18023 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18025 2006-01-30 Roger Sayle <roger@eyesopen.com>
18027 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18028 argv to the appropriate type.
18030 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18032 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18035 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18038 * config/s390/s390.c (struct machine_function): New flag
18039 decomposed_literal_pool_addresses_ok_p.
18040 (s390_reorg): Set it before final stage of literal pool transforms.
18041 (s390_decompose_address): Only accept displacements of the form
18042 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18044 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18046 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18047 the comparison routine return.
18049 2006-01-30 Michael Matz <matz@suse.de>
18051 * global.c (find_reg): Only evict for global regs.
18052 Take n_refs into account and dump more info.
18054 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18057 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18058 (pragma_trap, pragma_nosave_low_regs): Likewise.
18059 (current_function_anonymous_args): Likewise.
18060 (sh_deferred_function_attributes): New variable.
18061 (sh_deferred_function_attributes_tail): Likewise.
18062 (print_operand): For '@', look up trap_exit attribute.
18063 (calc_live_regs): Look up trapa_handler attribute. For trapa
18064 handlers, save/restore fpscr, but don't do any other
18065 interrupt-specific saves.
18066 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18067 Fix check for partially saved registers to check for SHmedia.
18068 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18069 (sh_output_function_epilogue): Don't clear any of the removed
18071 (sh_insert_attributes): Don't check pragma_interrupt.
18072 Insert deferred attributes. Check that interrupt attribute is
18073 present for other attributes that require its presence.
18074 (sh_attribute_table): Add new attributes trapa_handler and
18076 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18077 Don't check for pragma_interrupt. Don't store argument.
18078 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18079 (sh_deferred_function_attributes): Declare.
18080 (sh_deferred_function_attributes_tail): Likewise.
18081 * sh.md (sp_switch_1): Add operand. Change generator caller.
18082 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18083 (*return_i): Don't use when trap_exit attribute is in effect.
18084 (*return_trapa): New insn pattern.
18085 * sh-c.c: New file.
18086 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18087 setting c_target_objs and cxx_target_objs.
18088 * t-sh: Add rule for sh-c.o.
18090 2006-01-30 Richard Guenther <rguenther@suse.de>
18093 * gimplify.c (gimplify_target_expr): Handle easy cases
18094 without creating a temporary.
18096 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18098 * vec.h (safe_grow): Remove duplicated line.
18100 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18103 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18104 (expand_omp): ... here.
18105 (expand_omp_parallel): Only remove barriers for combined
18106 parallel+workshare constructs.
18108 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18112 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18113 * tree.c (build_qualified_type): Chain the new type to the original
18114 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18115 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18116 (build_pointer_type_for_mode): Only return unqualified types.
18117 (build_reference_type_for_mode): Likewise.
18119 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18121 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18122 * Makefile.in (CXX_COMPAT_WARN): Define.
18123 * configure: Regenerate.
18125 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18128 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18131 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18133 * toplev.c: Fix thinko.
18135 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18136 Marcin Dalecki <martin@dalecki.de>
18138 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18139 (push_srcloc): Use XNEW.
18140 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18142 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18144 * df-core.c (df_set_blocks): Deleted all variable.
18146 2006-01-28 Ian Lance Taylor <ian@airs.com>
18148 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18149 cgraph_output_pending_asms.
18151 2006-01-28 Zack Weinberg <zackw@panix.com>
18153 * c.opt: Add -W(no-)overlength-strings.
18154 * doc/invoke.texi: Document it.
18155 * c-opts.c (c_common_handle_option): -pedantic implies
18156 -Woverlength-strings, if not explicitly disabled already.
18157 (c_common_post_options): -Woverlength-strings defaults to off, and
18158 is always off for C++.
18159 * c-common.c (fix_string_type): Issue warning about strings longer
18160 than is portable only if warn_overlength_strings. Rearrange code
18161 a little for clarity.
18162 * configure.in: Check for -Wno-overlength-strings as well before
18163 enabling -pedantic in stage 1.
18164 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18165 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18167 * genconditions.c (write_header, write_one_condition)
18168 (write_conditions, write_writer): Consolidate very long strings
18169 that were broken up to fit in C89 portable limit. Don't use
18170 printf when fputs will do.
18172 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18174 * combine.c (simplify_comparison <AND>): Check
18175 TRULY_NOOP_TRUNCATION before start using a subreg.
18177 * config/mips/mips.md (*branch_zero<mode>,
18178 *branch_zero<mode>_inverted, *branch_equality<mode>,
18179 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18180 Remove mode check from comparisons.
18182 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18184 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18186 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18188 * expmed.c (const_mult_add_overflow_p): Remove.
18189 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18191 * recog.c (validate_replace_rtx_subexp): Remove.
18192 * recog.h: Remove the prototype for
18193 validate_replace_rtx_subexp.
18195 * integrate.h: Remove the prototype for
18196 copy_decl_for_inlining.
18197 * rtl.h: Remove the prototype for mark_constant_function.
18198 * tree-vectorizer.h: Remove the prototype for
18199 vect_strip_conversion.
18201 * modulo-sched.c (create_partial_schedule,
18202 free_partial_schedule, reset_partial_schedule): Make them
18205 * hooks.c (hook_bool_rtx_int_false): Remove.
18206 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18208 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18210 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18211 and -mlong-double-128 are incompatible.
18212 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18213 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18214 (TARGET_LIBGCC2_CFLAGS): Define.
18215 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18216 (TARGET_LIBGCC2_CFLAGS): Same.
18217 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18219 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18222 * c-typeck.c (build_binary_op): Perform implicit casts of
18223 operands before shortening them.
18225 * cfgloopmanip.c (split_loop_bb): Remove.
18226 * cfgloop.h: Remove the prototype for split_loop_bb.
18228 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18229 * cfgloop.h: Remove the prototype for
18230 flow_loop_outside_edge_p.
18232 * emit-rtl.c (init_virtual_regs): Make it static.
18233 * function.h: Remove the prototype for init_virtual_regs.
18235 * recog.c (peephole2_optimize): Make it static.
18236 * recog.h: Remove the prototype for peephole2_optimize.
18238 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18240 * df-scan.c (df_record_entry_block_defs): Check if
18241 INCOMING_RETURN_ADDR_RTX is defined.
18243 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18244 Kenneth Zadeck <zadeck@naturalbridge.com>
18246 PR rtl-optimization/24762
18247 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18248 * targhooks.c (hook_void_bitmap): New hook prototype.
18249 * targhoohs.h (hook_void_bitmap): Ditto.
18250 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18251 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18252 * target.h (live_on_entry): New function pointer.
18253 * df-scan.c (df_all_hard_regs): Removed.
18254 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18255 (df_scan_free_internal): Added df->entry_block_defs.
18256 (df_scan_alloc): Ditto.
18257 (df_scan_dump): Ditto.
18258 (df_uses_record): Plumbed flag field properly thru calls.
18259 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18260 This part fixes PR24762.
18261 (df_bb_refs_record): Added code to make the frame and arg
18262 pointers live in EH blocks.
18263 (df_refs_record): Added call to df_record_entry_block_defs.
18264 (df_record_entry_block_defs): New function.
18265 * df-core.c: Added comments to describe new artifical defs.
18266 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18267 (entry_block_defs): New field in struct df.
18268 (df_all_hard_regs): Deleted.
18269 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18270 * df-problems.c (df_ru_bb_local_compute_process_def):
18271 Added code to handle artifical defs in the entry to a function.
18272 (df_ru_bb_local_compute): Ditto.
18273 (df_rd_bb_local_compute_process_def): Ditto.
18274 (df_rd_bb_local_compute): Ditto.
18275 (df_lr_bb_local_compute): Ditto.
18276 (df_ur_bb_local_compute): Ditto.
18277 (df_urec_bb_local_compute): Ditto.
18278 (df_chain_create_bb): Ditto.
18279 (df_ur_local_finalize): Removed entry.
18280 (df_urec_init): Ditto.
18281 (df_urec_local_finalize): Ditto.
18282 (df_ri_bb_compute): Added detection of last use of pseudos.
18283 * Makefile.in (df-scan.o): Updated dependencies.
18284 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18285 * config/mips/mips.c (mips_set_live_on_entry): Added.
18286 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18288 * dce.c (marked_insn_p): Added code to handle artifical defs.
18290 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18292 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18294 (_mm_cvtsi128_si64): Likewise.
18295 (_mm_cvtsd_si64): Likewise.
18296 (_mm_cvttsd_si64): Likewise.
18297 (_mm_cvtsi64_sd): Likewise.
18298 (_mm_cvtsi64_si128): Likewise.
18299 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18300 (_mm_cvtsi64_m64): Likewise.
18301 (_m_to_int64): Likewise.
18302 (_mm_cvtm64_si64): Likewise.
18303 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18304 (_mm_cvttss_si64): Likewise.
18305 (_mm_cvtsi64_ss): Likewise.
18306 (_mm_cvtss_f32): Likewise.
18308 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18310 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18311 for pragma redefine_extname.
18313 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18316 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18317 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18318 -mno-minimal-toc to previous content.
18319 (bispecs): Remove goal.
18320 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18321 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18322 compatibility aliases on powerpc-*-*gnu*.
18323 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18324 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18325 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18326 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18327 (ldblspecs): New goal.
18328 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18329 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18331 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18332 L_sf_to_tf or L_df_to_tf is defined.
18334 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18335 Alan Modra <amodra@bigpond.net.au>
18338 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18339 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18340 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18341 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18342 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18343 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18344 (rs6000_override_options): Initialize rs6000_ieeequad.
18345 Initialize TFmode format to ibm_extended_format if not
18347 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18349 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18350 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18351 (function_arg_advance): IBM long double passed in two FPRs, not
18353 (function_arg): IBM long double passed in FPRs.
18354 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18355 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18356 Only multireg GPR aligned.
18357 (rs6000_init_libfuncs): Enable IBM long double functions if not
18359 (rs6000_generate_compare): Use IBM long double compare if not
18361 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18362 (TARGET_IEEEQUAD): Define.
18363 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18364 not TARGET_IEEEQUAD.
18365 * config/rs6000/rs6000.md: Enable TFmode patterns if
18367 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18368 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18369 and -mlong-double-128 are incompatible.
18370 * doc/invoke.texi (-mabi): Collect options together. Add
18371 ibmlongdouble and ieeelongdouble.
18373 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18375 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18377 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18378 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18379 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18380 * rtl.h (rtunion_def): Remove rt_ptr.
18382 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18383 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18384 * config/i386/winnt.c (i386_pe_mark_dllexport)
18385 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18387 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18389 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18391 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18395 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18396 pthread_key_delete. From John David Anglin. gthrw-ify
18397 pthread_getunique_np only if it it's not a macro. Delete
18399 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18400 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18401 __gthread_objc_condition_signal, __gthread_key_delete): Add
18402 "__attribute__ ((__unused__))" to unused arguments.
18403 (__gthread_recursive_mutex_init_function): Add missing return.
18404 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18405 gthr-posix95.h: Use macro-based approach for name redirection
18406 on targets missing weakref.
18408 2006-01-26 Zack Weinberg <zackw@panix.com>
18410 * genconditions.c (write_header): In generated code, #ifdef out
18411 all includes and fake declarations, except includes of bconfig.h
18412 and system.h, unless GCC_VERSION >= 3001. Do not include
18413 gensupport.h in any case.
18414 (write_conditions): Generate a definition of struct c_test. Add
18415 a comment to the generated #endif.
18416 (write_one_condition): Escape backslashes in string too.
18417 (write_writer): Generated code must escape backslashes and quote
18418 marks (but not newlines) in the strings it writes.
18419 * Makefile.in (build/gencondmd.o): Update dependencies.
18421 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18424 * Makefile.in (insn-automata.o): Add header file dependencies.
18425 * genautomata.c: Add includes.
18427 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18430 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18432 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18434 * configure.ac: Expect target tools paths to be passed from the toplevel
18435 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18437 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18439 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18442 * c.opt (Wpointer-sign): Init to -1.
18443 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18444 OPT_pedantic, to 0 otherwise.
18445 * doc/invoke.texi: Update.
18447 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18449 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18450 constants provided by 80387 instructions in the destination mode.
18452 2006-01-26 Richard Guenther <rguenther@suse.de>
18453 Andrew Pinski <pinskia@physics.uc.edu>
18456 partial PR tree-opt/17064
18457 * tree-ssa-structalias.c (intra_create_variable_infos):
18458 Create heap variables for incoming parameters if
18459 flag_argument_noalias > 1.
18460 (find_what_p_points_to): Look through default defs of
18463 2006-01-26 Jeff Law <law@redhat.com>
18466 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18467 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18468 within the VR_RANGE, use the VR_RANGE as the result, not the
18470 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18471 bounds for the type.
18473 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18475 * tree-ssa-alias.c (maybe_create_global_var): Change
18476 subvar walking to an assertion that we don't have subvar'd variables.
18478 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18481 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18482 Use a new variable, inner. PARM_DECLs are always non-weak.
18484 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18486 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18487 --disable-checking.
18489 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18491 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18493 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18495 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18496 (smax_insn, smin_insn, smax_0, smin_0): New.
18498 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18501 * config/cris/cris.c (cris_order_for_addsi3): New function.
18502 * config/cris/cris-protos.h: Prototype it.
18503 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18504 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18505 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18506 (split for "op.S1 [rx=rx+i],ry (swapped)")
18507 (split for "op(s|u).S1 [rx=rx+i],ry")
18508 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18509 Apply cris_order_for_addsi3 when generating addsi3 insns.
18511 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18513 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18514 (TREE_BLOCK): Add call to EXPR_CHECK.
18516 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18519 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18520 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18521 (dump_omp_clauses): ... here.
18522 (dump_generic_node): Handle OMP_CLAUSE.
18523 * tree.c (omp_clause_num_ops): New.
18524 (omp_clause_code_name): New.
18525 (tree_code_size): Handle OMP_CLAUSE.
18526 (tree_size): Likewise.
18527 (make_node): Document handling of OMP_CLAUSE.
18528 (tree_node_structure): Handle OMP_CLAUSE.
18529 (omp_clause_check_failed): New.
18530 (omp_clause_range_check_failed): New.
18531 (omp_clause_operand_check_failed): New.
18532 (build_omp_clause): New.
18533 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18534 * tree.h (enum omp_clause_code): Declare.
18535 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18536 (OMP_CLAUSE_RANGE_CHECK): Define.
18537 (OMP_CLAUSE_ELT_CHECK): Define.
18538 (omp_clause_check_failed): Declare.
18539 (omp_clause_operand_check_failed): Declare.
18540 (omp_clause_range_check_failed): Declare.
18541 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18542 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18543 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18544 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18545 (OMP_CLAUSE_IF_EXPR): Likewise.
18546 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18547 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18548 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18549 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18550 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18551 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18552 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18553 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18554 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18555 (OMP_CLAUSE_CODE): Define.
18556 (OMP_CLAUSE_SET_CODE): Define.
18557 (OMP_CLAUSE_CODE): Define.
18558 (OMP_CLAUSE_OPERAND): Define.
18559 (struct tree_omp_clause): Declare.
18560 (union tree_node): Add field 'omp_clause'.
18561 * treestruct.def (TS_OMP_CLAUSE): Define.
18562 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18563 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18564 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18565 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18566 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18567 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18568 (OMP_CLAUSE): Define.
18569 * print-tree.c (print_node): Handle OMP_CLAUSE.
18570 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18571 * c-typeck.c: Likewise.
18572 * gimplify.c: Likewise.
18573 * c-omp.c: Likewise.
18574 * tree-nested.c: Likewise.
18575 * tree-inline.c: Likewise.
18576 * c-parser.c: Likewise.
18577 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18580 2006-01-25 Roger Sayle <roger@eyesopen.com>
18582 PR rtl-optimization/25703
18583 * combine.c (try_combine): Handle zero_extract and strict_low_part
18584 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18586 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18588 * global.c: Fix comment typos.
18590 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18593 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18594 Use output_addr_const instead of assemble_name.
18596 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18598 * Makefile.in (sched-vis.o): Update dependencies.
18599 * haifa-sched.c (sched_finish): Clear current_sched_info.
18600 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18601 (dump_flow_info): Call it.
18602 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18604 * basic-block.h (dump_bb_info): Declare.
18605 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18606 option, and apply options only for dump files whose TDF_RTL,
18607 TDF_TREE, or TDF_IPA bits match.
18608 * rtl.h: Declare new functions exported from sched-vis.c.
18609 * sched-vis.c: Enable also if scheduling is not used.
18610 (print_value): Print the mode of registers if not inside scheduling.
18611 (print_insn): Make it work outside the scheduler. Beautify the output
18613 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18615 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18617 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18618 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18619 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18620 depending on the value of CONSTANT_POOL_ADDRESS_P.
18621 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18623 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18624 rather than SYMBOL_REF_DECL.
18625 (rtx_constant_pool): Remove const_rtx_sym_htab.
18626 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18627 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18628 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18629 Remove handling of const_rtx_sym_htab.
18630 (find_pool_constant): Delete.
18631 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18632 rather than find_pool_constant.
18633 (get_pool_constant_for_function): Delete.
18634 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18635 find_pool_constant.
18636 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18637 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18638 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18639 (SYMBOL_REF_CONSTANT): New macro.
18640 (get_pool_constant_for_function): Delete.
18641 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18642 rather than SYMBOL_REF_DECL.
18643 (i386_pe_mark_dllimport): Likewise.
18644 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18645 rather than SYMBOL_REF_DECL.
18646 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18647 (machopic_indirect_call_target): Likewise.
18649 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18651 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18653 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18655 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18657 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18659 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18661 2006-01-24 David Daney <ddaney@avtrex.com>
18664 * configure.ac (enable_tls): New enable option.
18665 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18666 * configure: Regenerate.
18667 * doc/install.texi (--enable-tls): Document new option.
18668 (--disable-tls): Ditto.
18670 2006-01-24 Richard Henderson <rth@redehat.com>
18672 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18673 * alias.c (true_dependence): Respect it.
18674 (canon_true_dependence, write_dependence_p): Likewise.
18675 * builtins.c (get_builtin_sync_mem): Set it.
18677 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18679 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18682 2006-01-24 DJ Delorie <dj@redhat.com>
18684 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18685 for storing constants in single-bit bitfields.
18687 2006-01-25 Ben Elliston <bje@au.ibm.com>
18689 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18691 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18694 * tree-ssa-pre.c (phi_translate): Return NULL
18695 for AGGREGATE_TYPE's.
18697 2006-01-24 Zack Weinberg <zackw@panix.com>
18699 * genautomata.c (process_state_for_insn_equiv_partition):
18700 Use xcalloc for insn_arcs_array.
18701 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18702 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18704 2006-01-24 Richard Henderson <rth@redhat.com>
18706 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18707 update all callers.
18709 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18711 PR rtl-optimization/25890
18712 PR rtl-optimization/25905
18713 * combine.c (expand_compound_operation, expand_field_assignment):
18714 Fail if the bitfield's final position is out of bounds.
18716 2006-01-24 Ian Lance Taylor <ian@airs.com>
18718 PR middle-end/25930
18719 * cgraphunit.c (cgraph_output_in_order): Don't clear
18720 cgraph_asm_nodes until after asm strings have been output.
18722 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18724 * fix-header.c (read_scan_file): Add new parameter imultilib when
18725 calling register_include_chains.
18727 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18729 * omp-low.c: Update documentation.
18731 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18732 Daniel Berlin <dberlin@dberlin.org>
18736 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18737 return from the function.
18739 2006-01-22 Zack Weinberg <zackw@panix.com>
18741 * rtl.def (match_code): Add second argument.
18742 * genpreds.c (write_extract_subexp): New function.
18743 (write_match_code): Add path argument. Use write_extract_subexp.
18744 (write_predicate_expr): Pass path to write_match_code.
18745 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18746 not perform a mode test.
18747 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18748 a subexpression does not constrain the top-level code set.
18749 * read-rtl.c (read_rtx_variadic): New function.
18750 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18751 * doc/md.texi: Document new notation.
18752 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18753 (cmpsi_operand): ... here, using new notation.
18755 2006-01-22 Zack Weinberg <zackw@panix.com>
18757 * varray.c: Remove GENERATOR_FILE #ifdefs.
18759 2006-01-22 Zack Weinberg <zackw@panix.com>
18761 * genautomata.c (output_reserved_units_table): Emit nothing if
18762 description->query_units_num is zero. Remove extra blank line.
18763 (output_cpu_unit_reservation_p): Short circuit
18764 if description->query_units_num is zero.
18766 2006-01-22 Zack Weinberg <zackw@panix.com>
18768 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18769 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18770 nor any of the random handful of variables that used to be necessary
18771 when this program was linked with rtlanal.o. Prune set of forward
18772 function declarations.
18773 (struct attr_desc): Remove static_p field.
18774 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18775 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18776 (attr_string): Do not read the character one past the length of
18778 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18779 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18780 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18781 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18782 (make_automaton_attrs): New.
18783 (main): Do not call into genautomata. Call local gen_bypass
18784 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18785 Remove special case for insn_alts.
18786 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18787 varray.h (leftover from previous change). Prune set of forward
18788 function declarations. Remove state_alts fields from all
18789 structures. Remove state_alts_table from struct automaton.
18790 Make everything except main static. Do not maintain num_dfa_decls.
18791 Do not maintain state_alts fields of various structures.
18792 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18793 (add_arc): Remove state_alts argument. All callers updated.
18794 (output_reserved_units_table): Emit #ifdef here...
18795 (output_tables): ...not here. Don't generate state_alts tables.
18796 (expand_automata): Don't generate attributes.
18797 (write_automata): Don't generate state_alts functions.
18798 (main): New function.
18799 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18800 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18801 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18802 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18803 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18804 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18805 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18806 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18808 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18809 * genattrtab.h: Delete file.
18810 * Makefile.in (OBJS-common): Add insn-automata.o.
18811 (insn-automata.o): New rule.
18812 (simple_generated_c): Add insn-automata.c.
18813 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18814 (genprogmd): Add automata.
18815 (build/genattrtab): Needs no extra objects nor libraries.
18816 (build/genautomata): Needs build/vec.o and -lm.
18818 2006-01-22 Zack Weinberg <zackw@panix.com>
18820 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18821 (output_dfa_max_issue_rate, locked_states_num): Delete.
18822 (struct automaton): Add locked_states field.
18823 (output_dead_lock_vect): Save number of locked states in
18824 automaton->locked_states. If it is zero, don't print anything.
18825 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18826 (output_internal_dead_lock_func): Only test the dead_lock_vect
18827 for automata that have locked states.
18828 (output_statistics): Always print the number of locked states for
18829 each automaton. Calculate total number of locked states here.
18830 (write_automata): Don't call output_dfa_max_issue_rate.
18831 * genattrtab.c: Define length_unit_log as a const variable.
18832 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18833 max_insn_queue_index const.
18834 * final.c (length_unit_log): Declare const.
18835 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18837 2006-01-22 Zack Weinberg <zackw@panix.com>
18839 * genautomata.c: Include vec.h, not varray.h.
18840 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18841 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18842 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18843 VEC_* macros operating on appropriately typed vectors, or to
18844 malloced arrays when the size is known in advance. Const-ify
18845 many char* variables and function arguments. No functional changes.
18846 * Makefile.in (build/varray.o): Delete rule.
18847 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18848 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18850 2006-01-22 Zack Weinberg <zackw@panix.com>
18852 * gensupport.c: Define get_insn_name and record_insn_name here.
18853 (read_md_rtx): Call record_insn_name as appropriate.
18854 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18855 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18856 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18858 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18859 (BUILD_VARRAY): Delete.
18860 (genprognormal): Rename genprogmd. Fold in all programs from
18861 genprognoprint; also attrtab.
18862 (build/genattrtab): Just mention genautomata.o and varray.o.
18863 Reorganize a bit, add comments to make the categories clearer.
18865 2006-01-22 Zack Weinberg <zackw@panix.com>
18867 * genconditions.c (condition_table, add_condition): Delete.
18868 (write_conditions): Don't emit n_insn_conditions nor
18869 insn_elision_unavailable. Issue the gcc version #ifdef here,
18870 inside the table, with no #else clause ...
18871 (write_header): ...not here.
18872 (write_writer): New function.
18873 (main): Don't initialize condition_table. Use add_c_test.
18875 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18876 files on the command line.
18877 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18878 Return -1 if there is no entry in the table, don't abort.
18879 (add_c_test, traverse_c_tests): New functions.
18880 * gensupport.h (insn_elision_unavailable, insn_conditions)
18881 (n_insn_conditions): Delete declarations.
18882 (add_c_test, traverse_c_tests): Declare.
18883 * read-rtl.c: Include gensupport.h.
18884 (read_conditions): New function.
18885 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18886 (read_rtx_1): If we get EOF when we were looking for an initial
18887 open paren, return 0. Call read_conditions when appropriate.
18888 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18889 dummy-conditions.o. Eliminate references to insn-conditions.o,
18890 or change them to build/gencondmd.o, as appropriate. Remove
18891 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18892 from $(simple_generated_c). For all files remaining in those
18893 two lists, add insn-conditions.md to the generator command line.
18894 Give insn-constants.h/s-constants their own rules. Add rules
18895 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18896 (build/read-rtl.o): Depend on gensupport.h.
18897 (genprognormal): Include preds.
18898 (genprogearly): Rename genprognoprint; only difference is now that
18899 they don't link with $(BUILD_PRINT).
18900 * dummy-conditions.c: Delete.
18902 2006-01-22 Zack Weinberg <zackw@panix.com>
18904 * genextract.c: Don't include insn-config.h. Do include vec.h.
18905 Declare vectors of int, char, and locstr.
18906 (locstr): New typedef.
18907 (struct extraction): Make all array fields into bare pointers.
18908 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18909 (insn_code_number): Delete.
18910 (accum_extract): New struct.
18911 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18912 (gen_insn): Take insn_code_number as an argument. Use an
18913 accum_extract structure instead of loading data directly into
18914 a struct extraction, and having to know how big it might get.
18915 (walk_rtx): Operate entirely on an accum_extract structure.
18916 (print_path): Avoid unnecessary use of printf.
18917 (print_header): New function, split out of main. Distinguish
18918 more carefully between an unrecognizable insn and an insn that
18919 has the code number of a define_expand.
18920 (main): Pass insn_code_number to gen_insn. Call print_header
18921 only after parsing. Avoid unnecessary use of printf.
18922 * Makefile.in (build/vec.o): New rule.
18923 (build/genextract): Depend on build/vec.o.
18924 (build/genextract.o): Don't depend on insn-config.h.
18926 2006-01-22 Zack Weinberg <zackw@panix.com>
18928 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18929 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18930 practical. Eliminate per-generator-program link rules.
18932 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18934 PR middle-end/24437
18935 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18936 with a call expr to ...
18937 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18939 2006-01-23 Richard Guenther <rguenther@suse.de>
18941 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18942 before make_edge with conditional EDGE_TRUE_VALUE.
18944 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18945 Jan Hubicka <jh@suse.cz>
18946 Richard Guenther <rguenther@suse.de>
18948 PR rtl-optimization/25654
18949 * cfgexpand.c (aggregate_contains_union_type): New function.
18950 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18951 for structure variables that contain a union type.
18953 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18955 * gengtype.c (new_structure): Return the structure.
18956 (create_option): Add an extra "next" argument.
18957 (create_field): New function.
18958 (adjust_field_rtx_def): Use create_option and create_field.
18959 Remove a now-unnecessary call to find_structure.
18960 (adjust_field_tree_def): Likewise.
18961 (note_yacc_type): Remove an unnecessary call to find_structure.
18962 * gengtype.h (new_structure): Return the structure.
18963 (create_option): Add an extra argument.
18964 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18965 (option): Adjust calls to create_option.
18967 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18969 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18971 2006-01-22 Paul Brook <paul@codesourcery.com>
18972 Peter Barada <peter@the-baradas.com>
18974 * config/m68k/m68k.md: Add Coldfire FPU support.
18975 Define FP mode macro and associated attributes.
18976 Use it for float mode patterns.
18977 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18978 (LIBCALL_VALUE): Use m68k_libcall_value.
18979 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18980 (m68k_function_value): Ditto.
18981 (emit_move_sequence): Ditto.
18982 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18983 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18984 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18985 (MULTILIB_EXCEPTIONS): Ditto.
18986 * config/m68k/m68k.opt: Add mcfv4e.
18987 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18988 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18989 (m68k_output_function_prologue): Save ColdFire FPU registers.
18990 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18991 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18992 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18993 ColdFire FPU registers.
18994 (m68k_libcall_value, m68k_function_value): New functions.
18995 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18996 (LIBCALL_VALUE): Use m68k_libcall_value.
18997 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18998 (MASK_COLDFIRE): Add MASK_CFV4E.
18999 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19000 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19001 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19002 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19003 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19004 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19005 * doc/invoke.tex: Document -mcfv4e on m68k.
19007 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19009 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19012 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19015 * c-opts.c (c_common_handle_option): Don't include
19016 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19017 * doc/invoke.texi (C++ Dialect Options): Document that
19018 -Wnon-virtual-dtor is no longer included in -Wall.
19020 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19022 * gcov.c (print_version), gcov-dump.c (print_version),
19023 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19026 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19028 * df-scan.c (problem_SCAN): Added NULL reset function.
19029 (df_scan_reset_blocks): Added code to call reset block function
19030 (df_bb_refs_delete) Fixed comment.
19031 (df_insn_refs_delete): Made tolerant of deleting non existent info
19032 for dataflow problems that need to be reset.
19033 * df-core.c (df_set_blocks): Ditto.
19034 * df.h (struct df_problem): Added reset_fun.
19035 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19036 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19037 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19038 functions to clear out all references to def-use or use-def chains.
19040 2006-01-21 Ben Elliston <bje@au.ibm.com>
19042 * varasm.c (assemble_real): Initialise data array.
19044 2006-01-20 Paul Brook <paul@codesourcery.com>
19046 Merge from csl-arm-branch.
19047 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19048 * config/arm/arm.md (movdi): Force operands[1] to a register
19049 if we have a non-register source.
19050 (*arm_movdi, *movdf_soft_insn): Require that one of the
19051 operands be a register.
19052 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19053 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19055 2006-01-20 DJ Delorie <dj@redhat.com>
19057 * varasm.c (initializer_constant_valid_p): Allow pointers
19058 initialized from integer constants of lesser precision.
19059 (output_constant): Allow non-int-sized pointer modes to be
19060 initialized from integer constants.
19062 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19065 * cppdefault.h (struct default_include): Add multilib flag.
19066 * cppdefault.c (cpp_include_defaults): Set it.
19067 * c.opt (-imultilib): New option.
19068 * c-opts.c (imultilib): New.
19069 (c_common_handle_option): Handle -imultilib.
19070 (c_common_post_options): Likewise.
19071 * c-incpath.c (add_standard_paths, register_include_chains):
19073 * c-incpath.h (register_include_chains): Add extra parameter.
19074 * gcc.c (do_spec_1): Generate -imultilib option.
19075 (The Specs Language): Update %I description.
19076 (process_command): Update copyright notice.
19077 * doc/cppopts.texi (-imultilib): Document.
19078 * doc/invoke.texi (-imultilib): Include in option summary.
19079 (%I): Update specs documentation.
19081 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19083 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19085 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19087 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19090 2006-01-20 Richard Guenther <rguenther@suse.de>
19091 Steven Bosscher <stevenb.gcc@gmail.com>
19093 PR rtl-optimization/24626
19094 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19095 EDGE_TRUE_VALUE if in RTL mode.
19098 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19099 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19101 2006-01-20 Dirk Mueller <dmueller@suse.com>
19104 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19105 instead of a special NOP marker.
19106 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19107 NOP marker handling.
19108 * c-common.h (empty_body_warning): Add forward declaration.
19109 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19110 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19112 2006-01-20 Paul Brook <paul@codesourcery.com>
19114 * Makefile.in (lang_checks): Keep going if mkdir fails.
19116 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19118 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19119 be able to clean out basic block when not necessary.
19120 (df_scan_free): Fixed to properly delete information if df is
19121 unused before calling df_finish.
19122 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19123 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19125 (df_bb_refs_delete): New function.
19126 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19127 * df-core.c (df_set_blocks): Added code to properly clean out
19128 unused blocks if they are not part of the blocks to consider.
19129 Added additional null check.
19130 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19131 be able to clean out basic block when not necessary
19132 * df.h (df_free_bb_function): Ditto.
19133 (df_bb_refs_delete): New function.
19134 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19135 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19136 basic block parameter to be able to clean out basic block when not
19138 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19139 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19140 Fixed to properly delete information if df is unused before
19143 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19145 PR rtl-optimization/25799
19146 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19147 Corrected confluence operator to remove bits from op2 before oring
19148 with op1 rather than removing bits from op1.
19149 (df_ru_transfer_function): Corrected test on wrong bitmap which
19150 caused infinite loop. Both of these problems were introduced in
19151 the dataflow rewrite.
19153 2006-01-19 DJ Delorie <dj@redhat.com>
19155 * reload1.c (find_reload_regs): Note the details of reload
19156 failures in the dump file.
19157 (spill_failure): Likewise.
19159 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19161 * loop-iv.c: Include df.h and hashtab.h.
19162 (enum iv_grd_result): New enum.
19163 (DF_REF_IV, DF_REF_IV_SET): New macros.
19164 (struct biv_entry): New.
19165 (df, bivs): New global variables.
19166 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19167 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19169 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19170 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19171 analyzed_for_bivness_p, record_biv): New functions.
19172 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19173 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19174 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19176 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19178 (iv_number_of_iterations): Use new interface to iv analysis.
19179 * loop-unroll.c: Do not include varray.h.
19180 (analyze_iv_to_split_insn): Use new interface to iv
19182 * loop-unswitch.c (may_unswitch_on): Ditto.
19183 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19185 (df_bb_modify): Realloc tables to the new index.
19186 (df_find_use): New function.
19187 * df.h (df_find_use): Declare.
19188 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19190 * cfgloop.h (struct rtx_iv): Remove analysed field.
19191 (iv_get_reaching_def): Removed.
19192 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19193 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19194 (loop-iv.o): Add df.h and hashtab.h dependency.
19195 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19197 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19200 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19202 (__floatundisf, __floatundidf): Likewise.
19203 * libgcc2.h (IS_IBM_EXTENDED): Define.
19205 2006-01-19 DJ Delorie <dj@redhat.com>
19207 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19209 2006-01-19 Paul Brook <paul@codesourcery.com>
19211 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19212 as nothrow when unwinding tables are disabled.
19214 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19217 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19218 of bit-field" when in system header.
19220 2006-01-19 DJ Delorie <dj@redhat.com>
19222 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19223 the 16 bit shift limit of the m16c.
19225 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19228 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19229 * config/i386/i386.c (output_set_got): Output the label if we have one
19230 for the TARGET_DEEP_BRANCH_PREDICTION case.
19232 2006-01-19 Jan Hubicka <jh@suse.cz>
19233 H.J. Lu <hongjiu.lu@intel.com>
19234 Evandro Menezes <evandro.menezes@amd.com>
19236 * invoke.texi (generic): Document
19238 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19239 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19240 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19241 (x86_use_incdec, x86_pad_returns): New variables
19242 (TARGET_CPU_DEFAULT_generic): New constant
19243 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19244 (enum processor_type): Add generic32 and generic64.
19245 * i386.md (cpu attribute): Add generic32/generic64
19246 (movhi splitter): Behave sanely when both partial_reg_dependency and
19247 partial_reg_stall are set.
19248 (K8 splitters): Enable for generic as well.
19249 * predicates.md (incdec_operand): Use TARGET_INCDEC
19250 (aligned_operand): Avoid memory mismatch stalls.
19251 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19252 * ppro.md: Enable for generic32
19253 * i386.c (generic64_cost, generic32_cost): New.
19254 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19255 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19256 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19257 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19258 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19259 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19260 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19261 x86_accumulate_outgoing_args, x86_prologue_using_move,
19262 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19263 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19264 Enable for generic.
19265 (x86_use_incdec, x86_pad_returns): New.
19266 (override_options): Add generic32 and generic64, translate "generic"
19267 to generic32/generic64 and "i686" to "generic32", refuse
19268 "generic32"/"generic64" as arch target.
19269 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19270 (ix86_reorg): Honor PAD_RETURNS.
19272 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19274 * tree-pretty-print.c (dump_generic_node): Handle
19275 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19276 * cgraph.c (cgraph_expand_queue): Rename from
19277 cgraph_analyze_queue. Update all users.
19278 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19279 cgraph_expand_queue.
19280 (cgraph_expand_all_functions): Likewise.
19281 (cgraph_finalize_pending_functions): Remove. Update callers.
19283 * tree.h (OMP_DIRECTIVE_P): Define.
19284 (OMP_PARALLEL_FN): Define.
19285 (OMP_PARALLEL_DATA_ARG): Define.
19286 (OMP_SECTIONS_SECTIONS): Define.
19287 * tree-pass.h (pass_expand_omp): Declare.
19288 * omp-low.c (struct omp_region): Declare.
19289 (struct omp_context): Remove fields 'parallel_type',
19290 'parallel_start_ix' and 'parallel_start_additional_args'.
19292 (struct omp_for_data): Rename from struct expand_omp_for_data.
19293 (omp_regions): New static variable.
19294 (root_omp_region): New static variable.
19295 (find_omp_clause): Make static.
19296 (is_in_combined_parallel_ctx): Remove.
19297 (is_combined_parallel): New.
19298 (extract_omp_for_data): Move earlier in the file.
19299 (workshare_safe_to_combine_p): New.
19300 (get_ws_args_for): New.
19301 (determine_parallel_type): Move earlier in the file.
19302 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19304 (omp_copy_decl): Likewise.
19305 (create_omp_child_function): Likewise.
19306 (lookup_omp_region): New.
19307 (dump_omp_region): New.
19308 (debug_omp_region): New.
19309 (debug_all_omp_regions): New.
19310 (new_omp_region): New.
19311 (scan_omp_parallel): If parallel_nesting_level > 1, the
19312 directive is nested within another parallel directive.
19313 Set OMP_PARALLEL_FN.
19314 (scan_omp_for): Do not try to handle combined parallel+for
19316 Remove FIXME comment.
19317 (scan_omp_nested): Remove.
19318 (scan_omp_1): Do not call scan_omp_nested when
19319 parallel_nesting_level is > 1.
19320 Do not change the DECL_CONTEXT of local variables found.
19321 (lookup_decl_in_outer_ctx): New.
19322 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19323 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19324 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19325 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19326 If CTX is nested, lookup VAR in the outer context when
19327 building copy assignment.
19328 (lower_send_clauses): Rename from expand_send_clauses.
19329 If CTX is nested, lookup VAR in the outer context when
19330 building copy assignments.
19331 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19332 If CTX is nested, lookup VAR in the outer context when
19333 building copy assignments.
19334 (expand_parallel_call): Rename from build_parallel_call.
19335 Handle combined parallel+workshare cases.
19336 Re-implement to emit code into the CFG.
19338 (expand_omp_parallel): Re-implement to emit code into the CFG.
19339 Call move_sese_region_to_fn to outline the sub-graph
19340 containing the parallel region.
19341 (expand_omp_for_1): Remove.
19342 (expand_omp_for_generic): Re-implement to emit code into the
19344 (expand_omp_for_static_nochunk): Likewise.
19345 (expand_omp_for_static_chunk): Likewise.
19346 (expand_omp_for): Likewise.
19347 (expand_omp_sections): Likewise.
19348 (remove_exit_barriers): New.
19349 (expand_omp_synch): New.
19351 (build_omp_regions_1): New.
19352 (build_omp_regions): New.
19353 (execute_expand_omp): New.
19354 (gate_expand_omp): New.
19355 (pass_expand_omp): Define.
19356 (lower_omp_sections): Rename from expand_omp_sections.
19357 Set OMP_SECTIONS_SECTIONS.
19358 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19359 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19360 (lower_omp_single): Rename from expand_omp_simple.
19361 (lower_omp_master): Rename from expand_omp_master.
19362 (lower_omp_ordered): Rename from expand_omp_ordered.
19363 (lower_omp_critical): Rename from expand_omp_critical.
19364 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19365 (lower_omp_for): Re-implement.
19366 (lower_omp_parallel): Re-implement.
19367 (lower_regimplify): Rename from expand_regimplify.
19368 (lower_omp_1): Rename from expand_omp_1.
19369 If there are syntax errors in the program, replace every
19370 OpenMP directive with NOP.
19371 Call lower_omp_* instead of expand_omp_*.
19372 (lower_omp): Rename from expand_omp.
19374 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19375 * tree-gimple.h (enum omp_parallel_type): Remove.
19376 (gimple_boolify): Declare extern.
19377 (find_omp_clause, determine_parallel_type): Remove.
19379 * gimple-low.c (lower_omp_directive): New.
19380 (lower_stmt): Call it.
19381 (record_vars_into): Move from ...
19382 (record_vars): ... here.
19383 Call record_vars_into with current_function_decl.
19385 * gimplify.c (struct gimplify_ctx): Remove fields
19386 combined_pre_p and combined_ctxp. Update users.
19387 (get_formal_tmp_var): Add documentation.
19388 (gimple_boolify): Make extern.
19389 (gimplify_expr_in_ctx): Remove. Update callers.
19390 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19391 will always be a BIND_EXPR.
19392 (gimplify_expr): Handle OMP_RETURN_EXPR.
19393 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19394 (OMP_PARALLEL): Add 3 operands.
19395 (OMP_SECTIONS): Add 1 operand.
19396 (OMP_RETURN_EXPR): Define.
19398 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19399 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19400 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19401 creating a circular free list.
19402 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19404 * tree-flow.h (move_sese_region_to_fn): Declare.
19405 (record_vars_into): Declare.
19406 * tree-cfg.c (make_omp_sections_edges): New.
19407 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19408 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19409 OMP_SECTIONS and OMP_SECTION.
19410 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19411 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19412 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19413 (gather_blocks_in_sese_region): New.
19414 (struct move_stmt_d): Declare.
19415 (move_stmt_r): New.
19416 (move_block_to_fn): New.
19417 (move_sese_region_to_fn): New.
19419 * passes.c (init_optimization_passes): Schedule
19420 pass_expand_omp after pass_init_datastructures.
19422 * tree-ssa-operands.c (get_expr_operands): Handle
19423 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19424 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19426 2006-01-19 Jeff Law <law@redhat.com>
19428 * tree-vrp.c (extract_range_from_assert): Refine the result range
19429 if the variable referenced by the ASSERT_EXPR has a range and
19430 either the tentative result range or the previous range is a
19433 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19435 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19437 2006-01-19 Jan Hubicka <jh@suse.cz>
19439 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19441 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19443 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19444 (expand_compound_operation, expand_field_assignment): Fail if the
19445 bit lengths of an extract operation are out of range.
19446 (make_extraction): Compute wanted_inner_mode based on the position
19447 and length of the extraction. Make it extraction_mode for non-constant
19448 positions, and do not modify offset in that case. When generating a
19449 new MEM, use a mode that can hold the extraction while keeping correct
19450 alignment. Remove code that supported MEMs wrapped by USEs.
19451 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19453 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19455 * config/s390/s390.md ("Y", "y"): New mode attribute.
19456 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19457 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19458 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19459 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19460 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19461 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19462 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19463 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19464 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19465 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19466 "addsi3", "subsi3"): Insn patterns removed.
19467 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19468 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19469 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19470 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19471 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19472 "*sub<mode>3_cconly2"): New insn patterns.
19473 ("addsi3", "subsi3"): New expanders.
19475 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19477 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19478 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19479 existing STMT_VINFO_VECTYPE if available.
19480 (vect_mark_relevant): Add special handling for stmts that are
19481 marked as STMT_VINFO_IN_PATTERN_P.
19482 (vect_analyze_loop): Call vect_pattern_recog.
19483 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19484 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19486 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19487 (vect_recog_func_ptr): New function-pointer type.
19488 * tree-vect-patterns.c: New file.
19489 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19490 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19491 (vect_pattern_recog_1): New functions.
19492 (vect_pattern_recog_funcs): New array of function pointers.
19494 * tree-vectorizer.h (ternary_op): New enum value.
19495 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19496 declaration. Revised documentation. Removed redundant dump prints.
19497 Removed redundant argument. Added support for reduction patterns.
19498 (vectorizable_reduction): Added support for reduction patterns.
19499 (vect_transform_stmt): Added support for patterns.
19501 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19502 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19503 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19504 (expand_widen_pattern_expr): New function.
19505 (init_optabs): Initialize new optabs udot_prod_optab,
19507 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19508 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19509 (expand_widen_pattern_expr): New function declaration.
19510 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19512 * tree-inline.c (estimate_num_insns_1): Added cases for new
19513 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19514 * tree-pretty-print.c (dump_generic_node): Likewise.
19515 (op_prio): Likewise.
19516 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19517 * tree-ssa-operands.c (get_expr_operands): Added case for
19519 * tree-vect-patterns.c (widened_name_p): New function.
19520 (vect_recog_dot_prod_pattern): Added function implementation.
19521 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19522 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19523 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19524 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19526 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19527 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19528 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19529 (init_optabs): Initialize new optabs widen_ssum_optab,
19531 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19532 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19533 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19534 use instead of type of def.
19535 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19536 function implementation.
19537 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19538 widen_ssumv8hi): New.
19540 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19543 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19546 * c-decl.c (add_flexible_array_elts_to_size): New function.
19547 (finish_decl): Use it.
19549 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19551 * diagnostic.h: Include options.h.
19552 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19553 dependancies for diagnostic.h.
19554 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19556 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19558 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19559 (ssa_ro_call_cache_valid): Ditto.
19560 * tree-ssa-alias.c (sort_tags_by_id): New function.
19561 (init_transitive_clobber_worklist): Ditto.
19562 (add_to_worklist): Ditto.
19563 (mark_aliases_call_clobbered): Ditto.
19564 (compute_tag_properties): Ditto.
19565 (set_initial_properties): Ditto.
19566 (compute_call_clobbered): Ditto.
19567 (compute_may_aliases): Call compute_call_clobbered and grouping.
19568 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19569 (compute_flow_insensitive_aliasing): Grouping now happens in our
19571 (setup_pointers_and_addressables): Remove clobbering related code.
19572 (add_may_alias): Ditto.
19573 (replace_may_alias): Ditto.
19574 (get_nmt_for): Ditto.
19575 (create_global_var):
19576 (is_escape_site): Return an escape_type enumeration.
19577 * tree-flow-inline.h (is_call_clobbered): Global var does not
19578 imply call clobbered.
19579 (mark_call_clobbered): Take a reason for marking this. Remove
19580 marking of globalness, and cache invalidation.
19581 (clear_call_clobbered): Remove cache invalidation code.
19582 * tree-dfa.c (dump_variable): If details is on, dump the reason
19584 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19586 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19587 (struct var_ann_d): Ditto.
19588 (enum escape_type): New.
19589 (mark_call_clobbered): Adjust prototype.
19590 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19591 are never call clobbered.
19592 Record reasons for escaping.
19593 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19594 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19595 (ssa_ro_call_cache_valid): Ditto.
19596 (clobbered_v_may_defs): Ditto.
19597 (clobbered_vuses): Ditto.
19598 (ro_call_vuses): Ditto.
19599 (clobber_stats): New.
19600 (init_ssa_operands): Zero out clobber stats.
19601 (fini_ssa_operands): Print out clobber stats.
19602 (get_call_expr_operands): Pass callee fndecl to
19603 add_call_read_ops).
19604 (add_call_clobber_ops): Remove use of cache.
19605 Add use of PURE_CONST information.
19606 (add_call_read_ops): Remove use of cache.
19607 Add use of static not_read information.
19609 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19611 Introduce TLS descriptors for i386 and x86_64.
19612 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19613 (TARGET_ANY_GNU_TLS): New macro.
19614 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19615 (struct machine_function): Add tls_descriptor_call_expanded_p.
19616 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19617 (ix86_current_function_calls_tls_descriptor): Likewise.
19618 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19619 (override_options): Introduce gnu2 tls dialect.
19620 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19622 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19624 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19625 (ix86_init_machine_status): Initialize new field.
19626 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19627 (ix86_tls_module_base): New.
19628 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19629 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19630 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19631 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19632 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19633 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19634 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19635 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19636 * config/i386/predicates.md (tls_modbase_operand): New.
19637 (tp_or_register_operand): New.
19639 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19641 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19642 (look_for_address_of): Ditto.
19643 (ipa_init): Walk the function decls.
19644 (static_execute): Don't set readonly on FUNCTION_DECL's.
19646 2006-01-18 Roger Sayle <roger@eyesopen.com>
19648 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19649 for shifts where the source and destination registers are different.
19651 2006-01-18 Paul Brook <paul@codesourcery.com>
19653 Merge from csl-arm-branch.
19654 2005-03-14 Julian Brown <julian@codesourcery.com>
19655 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19656 (aeabi_llsl): Likewise.
19657 (ashrdi3): Likewise.
19658 (aeabi_lasr): Likewise.
19659 (lshrdi3): Likewise.
19660 (aeabi_llsr): Likewise.
19661 2005-03-10 Julian Brown <julian@codesourcery.com>
19662 * config.gcc: Disable shared libgcc for SymbianOS.
19663 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19665 2006-01-18 DJ Delorie <dj@redhat.com>
19667 * c-pragma.c (handle_pragma_diagnostic): New.
19668 (init_pragma): Register it.
19669 * doc/extend.texi: Document it.
19671 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19672 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19673 (diagnostic_context): Add classify_diagnostic[].
19674 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19675 as errors if they're overridden to DK_WARNING.
19676 (diagnostic_initialize): Initialize classify_diagnostic[].
19677 (diagnostic_set_kind_override): New.
19678 (diagnostic_report_diagnostic): Check for kind changes.
19679 * opts.c (common_handle_option): Take lang_mask. Update callers.
19680 Handle OPT_Werror_.
19681 * common.opt (Werror=): New.
19682 * doc/invoke.texi: Document -Werror=*
19684 2006-01-18 Jeff Law <law@redhat.com>
19686 * tree-vrp.c (test_for_singularity): Correct test for new
19687 min limit. Use operand_equal_p rather than pointer equality
19688 for testing if new min/max values are equal.
19690 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19691 using range information until after propagation and folding.
19693 2006-01-18 Richard Henderson <rth@redhat.com>
19694 Aldy Hernandez <aldyh@redhat.com>
19695 Jakub Jelinek <jakub@redhat.com>
19696 Diego Novillo <dnovillo@redhat.com>
19698 * omp-low.c: New file.
19699 * c-omp.c: New file.
19701 2006-01-18 Richard Henderson <rth@redhat.com>
19702 Jakub Jelinek <jakub@redhat.com>
19703 Diego Novillo <dnovillo@redhat.com>
19705 * doc/invoke.texi: Document -fopenmp.
19706 * tree-dump.h (debug_function): Declare.
19707 * hooks.c (hook_bool_tree_bool_false): New function.
19708 (hook_tree_tree_null): Remove.
19709 (hook_tree_tree_tree_null): New.
19710 * hooks.h: Update to match.
19711 * tree-pretty-print.c (debug_tree_chain): New.
19712 (print_generic_expr): Handle TDF_CHAIN.
19713 (dump_generic_node): Handle BLOCK.
19714 Do not abort with incomplete SWITCH_EXPRs.
19715 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19716 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19717 print space after directive name.
19718 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19719 Handle OMP_MASTER and OMP_ORDERED.
19720 Handle printing of OMP_BODY just in one place, goto
19721 dump_omp_body in the rest of OMP_* nodes that have
19723 Don't handle clause nodes here. Update omp statements to
19724 use dump_omp_clauses.
19725 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19726 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19727 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19728 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19729 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19730 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19731 Adjust output for GOMP_PARALLEL.
19732 (dump_omp_clauses): New.
19733 (print_declaration): Dump DECL_VALUE_EXPR.
19734 (op_symbol_1): Split out of op_symbol.
19735 (dumping_stmts): Remove. Update all users.
19736 * cgraph.c (cgraph_analyze_queue): New.
19737 (cgraph_add_new_function): New.
19738 * cgraph.h (cgraph_analyze_queue): Declare.
19739 (cgraph_add_new_function): Declare.
19740 (cgraph_lower_function): Remove.
19741 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19742 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19743 and TYPE_P nodes in its default clause.
19744 (empty_body_p): New.
19745 (tree_range_check_failed): New.
19746 (build5_stat): New.
19747 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19748 OMP_CLAUSE_REDUCTION_MERGE,
19749 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19750 OMP_CLAUSE_PRIVATE_DEBUG,
19751 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19752 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19753 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19754 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19755 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19756 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19757 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19758 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19759 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19760 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19761 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19762 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19763 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19764 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19765 (TREE_RANGE_CHECK): New.
19766 (empty_body_p): Declare.
19767 (enum omp_clause_default_kind): New.
19768 (build_string_literal): Declare.
19769 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19770 (build5_stat, build5): Declare.
19771 * tree-pass.h (TDF_CHAIN): Define.
19772 * tree-pass.h (PROP_gimple_lomp): Define.
19773 (pass_lower_omp): Declare.
19774 * diagnostic.h (debug_tree_chain): Declare.
19775 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19777 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19778 * builtins.c (build_string_literal): Make extern.
19779 * gcc.c (include_spec_function): New.
19780 (static_spec_functions): Add it.
19781 (main): Move load of libgomp.spec ...
19782 (LINK_COMMAND_SPEC): ... here.
19783 (link_gomp_spec): New.
19784 (static_specs): Include it.
19785 (LINK_COMMAND_SPEC): Add link_gomp.
19786 (GOMP_SELF_SPECS): New.
19787 (driver_self_specs): Include it.
19788 (switch_matches): Don't mark inline.
19789 (main): Load libgomp.spec.
19790 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19791 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19792 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19793 * tree-gimple.h (enum omp_parallel): Declare.
19794 (determine_parallel_type): Declare.
19795 (omp_firstprivatize_variable): Declare.
19796 (omp_reduction_init): Declare.
19797 (diagnose_omp_structured_block_errors): Declare.
19798 (struct walk_stmt_info): Add want_return_expr.
19799 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19800 (find_omp_clause): Declare.
19801 (insert_field_into_struct): Declare.
19802 (struct walk_stmt_info): Move from tree-nested.c
19803 (walk_stmts): Declare.
19804 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19806 * cgraphunit.c (cgraph_lower_function): Make static.
19807 (cgraph_finalize_pending_functions): New.
19808 (cgraph_finalize_function): Call it.
19809 (cgraph_finalize_compilation_unit): Likewise.
19810 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19811 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19812 (BT_FN_UINT_UINT): New.
19813 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19814 DEF_FUNCTION_TYPE_VAR_4): Document.
19815 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19816 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19817 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19818 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19819 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19820 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19821 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19822 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19823 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19824 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19825 into separate files.
19826 (DEF_GOMP_BUILTIN): New.
19827 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19828 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19829 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19830 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19831 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19832 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19833 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19834 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19835 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19836 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19837 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19838 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19839 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19840 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19841 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19842 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19843 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19844 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19845 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19846 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19847 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19848 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19849 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19850 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19851 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19852 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19853 * sync-builtins.def: New file, moved from builtins.def.
19854 * omp-builtins.def: New file, moved from builtins.def.
19855 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19856 * gimple-low.c (lower_function_body): Clear data.
19857 (lower_stmt): Do not handle COMPOUND_EXPR.
19858 Remove call to print_node_brief.
19859 * c-tree.h (c_finish_omp_clauses): New prototype.
19860 (C_DECL_THREADPRIVATE_P): Define.
19861 (lookup_name_no_remap, c_omp_remap_private): Remove
19862 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19863 (check_for_loop_decls): Update decl.
19864 (lookup_name_no_remap, c_omp_remap_private): Declare.
19865 (build_indirect_ref, build_modify_expr, pushdecl,
19866 pushdecl_top_level): Move to c-common.h.
19867 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19868 before the switch, but just in the 2 places that need it.
19869 * c-decl.c (diagnose_mismatched_decls): Do not check for
19870 mismatched thread-local attributes when OLDDECL is marked
19871 threadprivate and NEWDECL has no thread-local attributes.
19872 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19873 (c_gimple_diagnostics_recursively): Rename from
19874 c_warn_unused_result_recursively. Invoke
19875 diagnose_omp_structured_block_errors.
19876 (check_for_loop_decls): Return a singular decl found.
19877 * langhooks.c (lhd_omp_predetermined_sharing): Return
19878 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19879 (lhd_omp_firstprivatize_type_sizes): New.
19880 (lhd_omp_assignment): New.
19881 (lhd_omp_predetermined_sharing): New.
19882 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19883 (struct lang_hooks_for_types): Add
19884 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19885 omp_predetermined_sharing, omp_disregard_value_expr,
19886 omp_private_debug_clause, omp_clause_default_ctor,
19887 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19888 (c_finish_omp_clauses): New.
19889 (c_finish_bc_stmt): Diagnose break within omp for.
19890 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19891 (build_unary_op): Return error_mark after reporting
19893 (build_modify_expr): Likewise.
19894 * gimplify.c: Include optabs.h and pointer-set.h.
19895 (enum gimplify_omp_var_data): Declare.
19896 (struct gimplify_omp_ctx): Declare.
19897 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19899 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19900 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19901 (splay_tree_compare_decl_uid): New.
19902 (new_omp_context): New.
19903 (delete_omp_context): New.
19904 (gimple_add_tmp_var): Call omp_add_variable.
19905 (gimplify_bind_expr): Likewise.
19906 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19907 true, disregard DECL_VALUE_EXPR on the decl if any.
19908 (gimplify_expr_in_ctx): New.
19909 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19910 omp_add_variable, omp_notice_variable, omp_is_private
19911 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19912 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19913 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19914 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19915 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19916 gimplify_omp_atomic): New.
19917 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19918 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19919 OMP_CRITICAL and OMP_ATOMIC.
19920 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19921 * c-pragma.h (enum pragma_kind): Add
19922 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19923 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19924 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19925 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19926 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19927 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19928 PRAGMA_OMP_THREADPRIVATE.
19929 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19930 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19931 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19932 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19933 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19934 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19935 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19936 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19937 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19938 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19939 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19940 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19941 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19943 (struct nesting_info): Add field_map,
19944 suppress_expansion, debug_var_chain.
19945 (create_nesting_tree): Initialize them.
19946 (lookup_field_for_decl): Use field_map.
19947 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19948 (convert_local_omp_clauses): New.
19949 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19950 (walk_body): Split out of walk_function.
19951 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19952 (convert_nonlocal_reference): Handle omp statements.
19953 (convert_local_reference): Likewise.
19954 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19955 (unnest_nesting_tree): New.
19956 (lower_nested_functions): Call it.
19957 (insert_field_into_struct): Make extern.
19958 (struct walk_stmt_info): Move to tree-gimple.h.
19959 (walk_stmts): Make extern.
19960 * omp-builtins.def: New file.
19961 * tree-iterator.c (expr_only): Clarify comment.
19962 * c-common.h (pushdecl_top_level, pushdecl,
19963 build_modify_expr, build_indirect_ref,
19964 c_finish_omp_master, c_finish_omp_critical,
19965 c_finish_omp_ordered, c_finish_omp_barrier,
19966 c_finish_omp_atomic, c_finish_omp_flush,
19967 c_finish_omp_for, c_split_parallel_clauses,
19968 omp_clause_default_kind, c_omp_sharing_predetermined,
19969 c_omp_remap_decl): Declare.
19970 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19971 (OBJS-common): Add omp-low.o.
19972 (c-omp.o, omp-low.o): Add.
19973 (gimplify.o): Add dependency on $(OPTABS_H).
19974 (GTFILES): Add omp-low.c.
19975 (gt-stringpool.h): Add.
19976 * tree-cfg.c (set_bb_for_stmt): Do not update the
19977 block-to-labels map if we are currently expanding to RTL.
19978 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19980 Handle IDENTIFIER_NODE.
19981 (tree_verify_flow_info): Do not ICE when emitting error
19982 messages about invalid labels.
19983 (dump_function_to_file): Reset CFUN before emitting the body
19985 (debug_function): New.
19986 * passes.c (init_optimization_passes): Schedule
19988 * langhooks-def.h (lhd_omp_predetermined_sharing,
19989 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19991 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19992 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19993 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19994 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19995 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19996 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19997 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19998 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19999 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20000 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20001 (LANG_HOOK_DECLS): Use them.
20003 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20004 Richard Henderson <rth@redhat.com>
20005 Jakub Jelinek <jakub@redhat.com>
20006 Diego Novillo <dnovillo@redhat.com>
20008 * c-parser.c (pragma_omp_clause): Define.
20009 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20010 (c_parser_compound_statement): Likewise.
20011 (c_parser_statement): Likewise.
20012 (c_parser_pragma): Handle omp pragmas.
20013 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20014 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20015 (c_parser_omp_clause_name, check_no_duplicate_clause,
20016 c_parser_omp_variable_list,
20017 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20018 c_parser_omp_clause_copyprivate,
20019 c_parser_omp_clause_default,
20020 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20021 c_parser_omp_clause_lastprivate,
20022 c_parser_omp_clause_nowait,
20023 c_parser_omp_clause_num_threads,
20024 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20025 c_parser_omp_clause_reduction,
20026 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20027 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20028 c_parser_omp_atomic, c_parser_omp_barrier,
20029 c_parser_omp_critical, c_parser_omp_flush,
20030 c_parser_omp_for_loop, c_parser_omp_for,
20031 c_parser_omp_master, c_parser_omp_ordered,
20032 c_parser_omp_sections_scope, c_parser_omp_sections,
20033 c_parser_omp_parallel, c_parser_omp_single,
20034 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20035 * c-pragma.c (init_pragma): Do omp pragma registration here.
20036 * c.opt (fopenmp): New flag.
20038 2006-01-18 Eric Christopher <echristo@apple.com>
20040 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20041 * config/darwin.h (GOMP_SELF_SPECS): Define.
20043 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20045 * rtl.h: Remove the prototype for reg_alloc.
20047 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20050 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20051 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20052 sjlj and dwarf2 exception handling.
20053 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20054 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20055 * pa/pa.c (function_value): Treat complex and vector types as
20057 (function_arg): Likewise. Only pass scalar floats in the floating
20058 point argument registers.
20059 * pa/t-slibgcc-dwarf-ver: New file.
20060 * pa/t-slibgcc-sjlj-ver: New file.
20061 * pa/t-slibgcc-elf-ver: Delete file.
20063 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20065 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20066 unlikely_test_section_p test.
20068 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20070 * mode-switching.c (optimize_mode_switching): Make it static.
20071 * basic-block.h: Remove the prototype for
20072 optimize_mode_switching.
20074 * modulo-sched.c (sms_schedule): Make it static.
20075 * rtl.h: Remove the prototype for sms_schedule.
20077 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20078 * rtl.h: Remove the prototype for gcse_after_reload_main.
20080 * reg-stack.c (reg_to_stack): Make it static.
20081 * rtl.h: Remove the prototype for reg_to_stack.
20083 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20085 * rtl.h: Remove the prototypes for regrename_optimize and
20086 copyprop_hardreg_forward.
20088 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20090 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20091 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20092 Test against the appropriate null constant for the mode.
20093 If 'fixup_overlap' is true, swap the operands if they overlap.
20094 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20095 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20096 alpha_split_tmode_pair and adjust for above change.
20097 * config/alpha/alpha.md (movtf_internal): Adjust call to
20098 alpha_split_tfmode_pair and rely on it to swap the operands.
20099 (movti_internal): New insn and post-reload splitter.
20100 (movti): New expander.
20102 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20104 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20107 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20109 * rtlanal.c (global_reg_mentioned_p_1,
20110 global_reg_mentioned_p): Remove.
20111 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20113 * flow.c (initialize_uninitialized_subregs): Make it static.
20114 * rtl.h: Remove the prototype for
20115 initialize_uninitialized_subregs.
20117 * function.c (instantiate_virtual_regs): Make it static.
20118 * function.h: Remove the prototype for
20119 instantiate_virtual_regs.
20121 * regmove.c (regmove_optimize, combine_stack_adjustments):
20123 * rtl.h: Remove the prototypes for regmove_optimize and
20124 combine_stack_adjustments.
20126 2006-01-17 Roger Sayle <roger@eyesopen.com>
20128 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20129 (size_cost): Encode costs in bytes so that a reg-reg addition is
20130 equivalent to COSTS_N_INSNS(1).
20131 (override_options): Use the size_cost.branch_cost as the default
20132 ix86_branch_cost when optimizing for size.
20134 2006-01-18 Ben Elliston <bje@au.ibm.com>
20136 * Makefile.in (D32PBIT_FUNCS): New.
20137 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20138 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20139 D64PBIT_FUNCS and D128PBIT_FUNCS.
20140 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20141 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20143 (decnumber_dep): Define.
20144 * doc/libgcc.texi (Decimal float library routines): New node.
20145 * config/dfp-bit.h, config/dfp-bit.c: New files.
20147 2006-01-18 Ben Elliston <bje@au.ibm.com>
20149 * expr.c (emit_move_change_mode): Always adjust addresses, not
20150 just during reload. Copy replacements only during reload.
20151 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20152 emit_move_via_integer.
20154 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20156 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20157 instead of $(srcdir) and ${srcdir}.
20159 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20162 PR middle-end/11135
20163 * arm.h (struct machine_function): Add pic_reg.
20164 * arm.c (arm_pic_register): Make unsigned.
20165 (arm_override_options): Only set arm_pic_register if
20166 TARGET_SINGLE_PIC_BASE.
20167 (use_return_insn): Only test for a pic register if it is fixed.
20168 (arm_compute_save_reg0_reg12_mask): Likewise.
20169 (thumb_compute_save_reg_mask): Likewise.
20170 (legitimate_pic_operand): Factor out some known invariants.
20171 (legitimize_pic_address): If we don't have a fixed pic register,
20172 then set up a pseudo in the function entry sequence. Handle the
20173 pic base being in a pseudo.
20174 (arm_load_pic_register): Handle the pic register being in a pseudo.
20175 (arm_expand_prologue): Only set up the pic register if it is fixed.
20176 (thumb_expand_prologue): Likewise.
20177 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20178 (pic_load_addr_based_insn): Likewise.
20179 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20182 2006-01-18 Ben Elliston <bje@au.ibm.com>
20184 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20185 decimal float modes for all floating point registers.
20187 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20188 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20190 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20193 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20194 even when the pointer is not NULL.
20196 2006-01-16 Ian Lance Taylor <ian@airs.com>
20198 * common.opt (ftoplevel-reorder): New option.
20199 * cgraph.c (cgraph_asm_nodes): New global variable.
20200 (cgraph_asm_last_node): New static variable.
20201 (cgraph_order): New global variable.
20202 (cgraph_create_node): Set new order field.
20203 (cgraph_varpool_node): Likewise.
20204 (decide_is_variable_needed): Return true if not
20205 flag_toplevel_reorder.
20206 (cgraph_add_asm_node): New function.
20207 * cgraph.h (struct cgraph_node): Add order field.
20208 (struct cgraph_varpool_node): Add order field.
20209 (struct cgraph_asm_node): Define.
20210 (cgraph_asm_nodes, cgraph_order): Declare.
20211 (cgraph_add_asm_node): Declare.
20212 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20214 (cgraph_varpool_assemble_pending_decls): Call it.
20215 (cgraph_output_pending_asms): New static function.
20216 (cgraph_finalize_compilation_unit): Call it.
20217 (struct cgraph_order_sort): Define.
20218 (cgraph_output_in_order): New static function.
20219 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20220 !flag_toplevel_reorder case.
20221 * c-parser.c: Include "cgraph.h".
20222 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20224 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20225 than -fno-unit-at-a-time.
20226 * doc/invoke.texi (Option Summary): Mention
20227 -fno-toplevel-reorder.
20228 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20229 -funit-at-a-time documentation.
20231 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20232 Kazu Hirata <kazu@codesourcery.com>
20234 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20236 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20238 * Makefile.in (FUNCTION_H): New. Use it instead of
20239 function.h throughout the file.
20240 * function.h: Include tree.h.
20242 2006-01-17 Ben Elliston <bje@au.ibm.com>
20244 * recog.c: Separate some functions with whitespace.
20246 2006-01-16 Richard Henderson <rth@redhat.com>
20248 Merge from gomp branch:
20249 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20250 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20251 and rename from struct inline_data. Rename callee* to dst*;
20252 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20253 transform_new_cfg, transform_return_to_modify, and
20254 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20256 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20257 (copy_decl_for_dup): Remove.
20258 * tree-inline.c (struct inline_data): Move to header.
20259 (insert_decl_map): Export.
20260 (remap_decl): Update for member name changes. Use copy_decl hook.
20261 Allow for replacement to be a non-decl. Remove dead code.
20262 (remap_type_1): Check for existing mapping.
20263 (remap_type): Export.
20264 (remap_decls): Update for member name changes.
20265 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20266 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20267 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20268 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20269 (tree_function_versioning, build_duplicate_type): Likewise.
20270 (copy_body_r): Likewise. Export.
20271 (copy_decl_for_dup): Split into ...
20272 (copy_decl_for_dup_finish, copy_decl_to_var,
20273 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20274 (replace_ref_tree, inlining_p): Remove.
20276 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20278 * ifcvt.c (if_convert): Make it static.
20279 * rtl.h: Remove the prototype for if_convert.
20281 * local-alloc.c (local_alloc): Make it static.
20282 * rtl.h: Remove the prototype for local_alloc.
20284 * loop.c (loop_optimize): Make it static.
20285 * cfgloop.h: Remove the prototype for loop_optimize.
20288 2006-01-16 DJ Delorie <dj@redhat.com>
20290 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20293 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20295 * pa.md: Disparage copies between general and floating-point registers
20296 in 32-bit move patterns.
20298 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20301 * Makefile.in (check-%): Depend on site.exp instead of
20302 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20305 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20307 * global.c (global_alloc): Make it static.
20308 * rtl.h: Remove the prototype for global_alloc.
20310 2006-01-16 Richard Guenther <rguenther@suse.de>
20312 * tree-ssa-alias.c (struct used_part): Add write_only field.
20313 (get_or_create_used_part_for): Initialize it to true.
20314 (create_overlap_variables_for): Don't create structure variables
20315 for structures that only are written to.
20316 (find_used_portions): Handle MODIFY_EXPR to track whether a
20317 structure is only written to.
20319 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20321 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20323 * basic-block.h: Remove the prototype for
20324 partition_hot_cold_basic_blocks.
20326 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20328 * cppspec.c (lang_specific_spec_functions): Remove.
20329 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20330 * gcc.h (lang_specific_spec_functions): Remove.
20331 * gccspec.c (lang_specific_spec_functions): Remove.
20333 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20335 * combine.c (record_value_for_reg): Invalidate registers
20337 (record_dead_and_set_regs_1): Likewise, by passing them to
20338 record_value_for_reg.
20339 (record_dead_and_set_regs): Invalidate stores made by a
20340 call. We do not combine across a call, but we still
20341 relied on equivalences.
20343 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20345 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20346 vrp_int_const_binop returning non-constant nodes.
20348 2006-01-16 Paul Brook <paul@codesourcery.com>
20350 * config/m68k/m68k.c (output_move_const_into_data_reg):
20351 Output correct mnemonic for mvz and mvs.
20353 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20355 * rtl-factoring.c: Add sequence abstraction algorithm.
20356 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20357 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20359 (block_has_preserve_label): New function.
20360 * common.opt: Register new pass.
20361 * Makefile.in: Ditto.
20363 * timevar.def: Ditto.
20364 * tree-pass.h: Ditto.
20365 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20366 * rtl.h (make_jump_insn_raw): Add forward decl.
20367 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20369 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20370 Roger Sayle <roger@eyesopen.com>
20372 * fold-const.c (fold_minmax): New static function.
20373 (fold_binary) <MIN_EXPR>: Call it.
20374 <MAX_EXPR>: Likewise.
20375 * stor-layout.c (place_field): Use DECL_SIZE consistently
20376 in the computation of the new record size.
20378 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20380 * cse.c (cse_condition_code_reg): Make it static.
20381 * rtl.h: Remove the prototype for cse_condition_code_reg.
20383 * combine.c (combine_instructions): Make it static.
20384 * rtl.h: Remove the prototype for combine_instructions.
20386 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20389 * tree.c (get_file_function_name_long): Concatenate the first global
20390 object name with a string derived from the input filename of the object
20393 2006-01-16 Ben Elliston <bje@au.ibm.com>
20395 * config/i386/winnt-stubs.c: Update FSF address.
20396 * config/xtensa/ieee754-df.S: Ditto.
20397 * config/xtensa/ieee754-sf.S: Ditto.
20399 2006-01-14 Ian Lance Taylor <ian@airs.com>
20401 * ifcvt.c (noce_init_if_info): New static function, broken out of
20402 noce_process_if_block.
20403 (noce_process_if_block): Call noce_init_if_info.
20404 (check_cond_move_block): New static function.
20405 (cond_move_process_if_block): New static function.
20406 (process_if_block): Call cond_move_process_if_block.
20408 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20410 * cselib.c (hash_table): Rename to cselib_hash_table.
20411 (cselib_clear_table, discard_useless_values,
20412 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20413 cselib_init, cselib_finish): Adjust uses of hash_table.
20415 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20417 PR tree-optimization/25485
20418 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20419 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20420 is known to be false and true, respectively.
20422 2006-01-14 Richard Guenther <rguenther@suse.de>
20424 PR tree-optimization/22548
20425 PR tree-optimization/22555
20426 PR tree-optimization/22501
20427 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20428 * params.def (salias-max-array-elements): New parameter.
20429 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20430 * doc/invoke.texi (salias-max-array-elements): Document.
20431 * tree-flow-inline.h (var_can_have_subvars): We also handle
20433 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20435 * tree-ssa-structalias.c (params.h): Include.
20436 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20437 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20438 (get_constraint_for): For ADDR_EXPR operating on something
20439 containing an ARRAY_REF, add all subvars to the solution.
20440 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20441 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20442 for creating MUST_DEFs.
20443 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20445 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20447 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20449 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20450 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20451 number_of_iterations_le): New functions.
20452 (number_of_iterations_special): Removed.
20453 (number_of_iterations_exit): Do not use number_of_iterations_special.
20454 * tree.c (unsigned_type_for): Always return integer type.
20456 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20457 Richard Guenther <rguenther@suse.de>
20459 PR rtl-optimization/24257
20460 * gcse.c (find_moveable_store): Only consider a store movable
20461 when the SET_SRC of the insn can be assigned to a register.
20463 2006-01-14 Ian Lance Taylor <ian@airs.com>
20465 * tree.c (tree_not_class_check_failed): New function.
20466 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20467 (tree_not_class_check_failed): Declare.
20469 2006-01-13 Ian Lance Taylor <ian@airs.com>
20471 * reload1.c (do_output_reload): Add assertion rejecting a
20474 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20476 * combine.c (struct reg_stat): Add new fields truncation_label and
20478 (record_value_for_reg): Reset truncated_to_mode.
20479 (record_truncated_value): New function.
20480 (check_promoted_subreg): Call it. Rename to check_conversions.
20481 (combine_instructions): Rename check_promoted_subreg to
20483 (reg_truncated_to_mode): New function.
20484 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20485 (gen_lowpart_or_truncate): New function.
20486 (force_to_mode): Use it instead of gen_lowpart.
20488 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20490 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20491 VAR is a tag, not its type tag.
20493 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20495 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20496 alternatives to match style of other entries.
20497 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20499 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20501 PR tree-optimization/25771
20502 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20505 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20508 * tree-inline.c (declare_return_variable): If the return variable
20509 was marked as a non gimple complex, set the return slot variable
20510 to be a non gimple comple variable.
20512 2006-01-13 Richard Guenther <rguenther@suse.de>
20514 * builtins.c (expand_builtin_sincos): New function.
20515 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20517 (expand_builtin): Expand sincos using expand_builtin_sincos.
20519 2006-01-12 DJ Delorie <dj@redhat.com>
20521 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20522 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20523 so that constant shifts can be split.
20524 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20525 (m32c_valid_pointer_mode): Make static.
20526 (shift_gen_func_for): New.
20527 (m32c_prepare_shift): Use it. Split large const shifts into
20529 * config/m32c/predicates.md (shiftcount_operand): Allow more
20531 (longshiftcount_operand): New.
20532 * doc/md.texi (Machine Constraints): Document In6.
20534 2006-01-13 Ben Elliston <bje@au.ibm.com>
20536 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20537 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20540 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20542 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20543 to try to avoid clobbering pieces of structures when we know
20544 something about the whole structure.
20545 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20547 2006-01-13 Ben Elliston <bje@au.ibm.com>
20549 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20550 return in memory, as this is no limitation is no longer present.
20552 2006-01-12 DJ Delorie <dj@redhat.com>
20554 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20555 mova with fb, and for fb+0 -> An.
20557 * config/m32c/mov.md (peephole2): Fix enabling logic.
20559 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20560 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20561 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20562 FINI_ARRAY_SECTION_ASM_OP): Define.
20564 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20566 (m32c_legitimize_reload_address): New logic to reload FB to An.
20567 (m32c_output_reg_push): Add newline.
20568 (m32c_output_reg_pop): Likewise.
20570 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20572 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20574 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20576 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20578 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20580 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20583 2006-01-11 Ben Elliston <bje@au.ibm.com>
20585 * rtlanal.c (find_reg_note): Assert insn is not null.
20587 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20589 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20592 2006-01-11 Jeff Law <law@redhat.com>
20594 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20596 (mark_threaded_blocks, register_jump_thread): New functions.
20597 (thread_through_all_blocks): Remove unwanted argument. No
20598 longer rely on e->aux to communicate thread target info.
20599 Call mark_threaded_blocks. Release the threaded_blocks
20600 bitmap and threaded_edges vector when complete.
20601 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20602 (threaded_blocks): Remove.
20603 (tree_ssa_dominator_optimize): Remove initialization and
20604 finalization of threaded_blocks. Simplify call to
20605 thread_through_all_blocks.
20606 (thread_across_edge): Call register_jump_thread rather than
20607 storing thread information into e->aux.
20608 (free_all_edge_infos): Simplify now that e->aux is no longer
20609 used to communicate with thread_through_all_blocks.
20610 * tree-flow.h (thread_through_all_blocks): Update prototype.
20611 (register_jump_thread): Prototype.
20613 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20615 * df-core.c (df_compact_blocks, df_bb_replace): Use
20616 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20618 2006-01-11 Richard Guenther <rguenther@suse.de>
20620 PR tree-optimization/25734
20621 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20622 stop propagation after successful propagation to the LHS.
20624 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20626 * basic-block.h (control_flow_graph): Change the type of
20627 x_basic_block_info to VEC(basic_block,gc) *.
20628 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20630 (SET_BASIC_BLOCK): New.
20631 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20632 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20633 * cfgbuild.c (find_basic_blocks): Likewise.
20634 * cfglayout.c (fixup_reorder_chain): Likewise.
20635 * cfgrtl.c (create_basic_block_structure,
20636 rtl_create_basic_block): Likewise.
20637 * ifcvt.c (find_if_case_1): Likewise.
20638 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20641 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20643 * Makefile.in: Removed rotted odf.c entry.
20645 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20648 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20649 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20650 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20651 output pattern modifier, not %e.
20652 * config/cris/cris.c (cris_op_str): Update comment about pattern
20654 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20655 before falling through into...
20656 <case 'E'>: Redefined from old 'e' case.
20658 2006-01-11 Jan Hubicka <jh@suse.cz>
20661 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20663 2006-01-11 Jan Hubicka <jh@suse.cz>
20665 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20666 * i386.c (x86_decompose_lea): Kill.
20667 (ix86_rtx_costs): Kill.
20669 2006-01-11 Jan Hubicka <jh@suse.cz>
20671 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20672 * cgraph.h (cgraph_node): Add inline_decl.
20673 (cgraph_insert_node_to_hashtable): Declare.
20674 (save_inline_function_body): Declare.
20675 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20677 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20678 (cgraph_function_versioning): Update call of tree_function_versioning.
20679 (save_inline_function_body): New function.
20680 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20681 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20682 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20683 (cgraph_default_inline_p): Likewise.
20684 (cgraph_decide_inlining_incrementally): Likewise.
20685 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20686 (copy_bb): Kill saving; do updating of clones.
20687 (copy_cfg_body): Kill saving.
20688 (initialize_inlined-parameters): Likewise.
20689 (expand_call_inline): Likewise.
20691 (tree_function_versioning): New parameter "update_clones".
20692 (inlining_p): Kill saving.
20693 * tree-inline.h (tree_function_versioning): Update prototype.
20694 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20697 2006-01-11 Ian Lance Taylor <ian@airs.com>
20699 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20700 Allow undoing set of machine mode.
20701 (do_SUBST): Use enums instead of is_int.
20702 (do_SUBST_MODE): New function.
20703 (SUBST_MODE): New macro.
20704 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20705 reg and trying to replace reg_regno_rtx with a new register.
20706 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20707 (simplify_set): Use SUBST_MODE.
20708 (distribute_notes): Remove code that tried to update reg notes
20709 for regno_reg_rtx changes.
20711 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20713 PR tree-optimization/23109
20714 PR tree-optimization/23948
20715 PR tree-optimization/24123
20717 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20718 * tree-cfg.c (single_noncomplex_succ): New.
20719 * tree-flow.h (single_noncomplex_succ): Declare it.
20720 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20721 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20722 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20723 insert_bb, register_division_in, insert_reciprocals,
20724 replace_reciprocal, free_bb): New.
20725 (execute_cse_reciprocals_1): Rewritten.
20726 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20727 Do not commit any edge insertion. Always compute dominators and
20728 create the allocation pool.
20729 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20730 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20731 * targhooks.c (default_min_divistions_for_recip_mul): New.
20732 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20733 * passes.c (init_optimization_passes): Run recip after tree loop
20735 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20737 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20738 Kenneth Zadeck <zadeck@naturalbridge.com>
20740 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20741 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20742 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20743 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20744 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20745 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20746 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20747 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20748 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20749 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20750 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20751 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20752 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20753 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20754 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20755 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20756 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20757 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20758 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20759 DF_SCAN_POST_ALLOC): New macros.
20760 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20761 df_free_bb_function, df_local_compute_function, df_init_function,
20762 df_dataflow_function, df_confluence_function_0,
20763 df_confluence_function_n, df_transfer_function,
20764 df_finalizer_function, df_free_function, df_dump_problem_function,
20765 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20766 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20767 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20768 df_urec_bb_info, ) New types.
20769 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20771 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20772 df_analyze_simple_change_some_blocks,
20773 df_analyze_simple_change_one_block, df_compact_blocks,
20774 df_bb_replace, df_bb_regno_last_use_find,
20775 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20776 df_insn_regno_def_p, df_find_def, df_find_use,
20777 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20778 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20779 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20780 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20781 debug_df_chain, df_get_dependent_problem, df_chain_create,
20782 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20783 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20784 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20785 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20786 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20787 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20788 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20789 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20790 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20791 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20792 df_reorganize_refs, df_set_state, df_hard_reg_init,
20793 df_read_modify_subreg_p) New public functions.
20794 * df-core.c: The core dataflow solver and glue routines for rtl
20796 (df_init, df_add_problem, df_set_blocks, df_finish,
20797 df_hybrid_search_forward, df_hybrid_search_backward,
20798 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20799 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20800 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20801 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20802 df_reg_defined, df_find_use, df_reg_used, df_dump,
20803 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20804 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20805 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20806 debug_df_useno, reset_df_after_reload): New functions.
20807 * df-scan.c: The scanning fuctions, once in df.c, completely
20808 rewritten so that they now fully model the functionality of
20809 register usage at the backend.
20810 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20811 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20812 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20813 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20814 df_get_artificial_defs, df_get_artificial_uses,
20815 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20816 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20817 df_refs_delete, df_reorganize_refs, df_set_state,
20818 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20819 df_def_record_1, df_defs_record, df_uses_record,
20820 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20821 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20822 df_record_exit_block_uses, df_hard_reg_init): New functions.
20824 * df-problems.c: Seven concrete dataflow problems that use the
20825 scanning in df-scan.c and are solved by the engine in df-core.c.
20826 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20827 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20828 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20829 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20830 df_ru_free_bb_info, df_ru_alloc,
20831 df_ru_bb_local_compute_process_def,
20832 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20833 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20834 df_ru_transfer_function, df_ru_free, df_ru_dump,
20835 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20836 df_rd_free_bb_info, df_rd_alloc,
20837 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20838 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20839 df_rd_transfer_function, df_rd_free, df_rd_dump,
20840 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20841 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20842 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20843 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20844 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20845 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20846 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20847 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20848 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20849 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20850 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20851 df_urec_mark_reg_use_for_earlyclobber,
20852 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20853 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20854 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20855 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20856 df_chain_create_bb_process_use, df_chain_create_bb,
20857 df_chain_finalize, df_chain_free, df_chains_dump,
20858 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20859 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20860 df_reg_lifetime): New functions.
20861 * df.c: Deleted file.
20862 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20863 consistent with new df api.
20864 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20865 rest_of_handle_sms): Ditto.
20866 * web.c (unionfind_union, union_defs, entry_register, web_main):
20868 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20869 invariant_expr_equal_p, find_defs, check_dependencies,
20870 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20871 free_inv_motion_data, move_loop_invariants): Ditto.
20872 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20873 Update dependencies.
20874 (odf.c): Added defective entry that was deleted later in day.
20875 * sched-deps.c (sched_analyze_1): Ditto.
20877 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20879 * tree-ssa-operands.c (get_expr_operands): Record addressable
20880 variables directly. Do not call add_stmt_operands for CONST_DECLs
20882 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20883 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20885 2006-01-11 Ben Elliston <bje@au.ibm.com>
20887 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20888 function returns true in the positive case.
20890 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20893 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20894 for SI, DI, SF and DF modes. Add alternatives to copy between
20895 general and floating point registers to the 32-bit patterns.
20896 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20897 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20898 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20899 generating 64-bit code.
20900 * config/pa/pa.c (output_move_double): Handle copies between general
20901 and floating registers.
20903 2006-01-10 Stuart Hastings <stuart@apple.com>
20905 * config/i386/i386.md (set_got): Update.
20906 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20907 (builtin_setjmp_receiver): Mach-O support.
20908 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20909 (GOT_SYMBOL_NAME): Define.
20910 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20911 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20912 * config/i386/i386.c (override_options): Revise for Darwin.
20913 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20914 support. (darwin_x86_file_end): New. (output_set_got): Add label
20915 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20916 * config/i386/i386-protos.h (output_set_got): Likewise.
20917 * config/darwin.c (machopic_legitimize_pic_address): Update
20920 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20922 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20923 when MODE isn't BLKmode.
20925 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20927 PR rtl-optimization/25367
20928 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20930 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20933 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20934 for a negative bound.
20936 2006-01-10 Richard Guenther <rguenther@suse.de>
20938 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20939 Never override with anything constraint.
20941 2006-01-10 Jan Beulich <jbeulich@novell.com>
20943 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20944 256 bits when optimize_size.
20946 2006-01-10 Jan Beulich <jbeulich@novell.com>
20948 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20950 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20951 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20954 2006-01-10 Ben Elliston <bje@au.ibm.com>
20956 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20958 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20959 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20960 (USE_FP_FOR_ARG): Reject decimal float modes.
20961 (function_arg_advance): Likewise.
20962 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20963 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20964 point types in AltiVec vectors.
20965 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20966 (rs6000_libcall_value): Likewise.
20968 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20970 * config/xtensa/ieee754-df.S: New file.
20971 * config/xtensa/ieee754-sf.S: New file.
20972 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20973 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20974 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20976 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20978 * config/sh/predicates.md (binary_float_operator,
20979 binary_logical_operator, commutative_float_operator,
20980 equality_comparison_operator, greater_comparison_operator,
20981 less_comparison_operator, logical_operator,
20982 noncommutative_float_operator, shift_operator,
20983 symbol_ref_operand, unary_float_operator): Remove redundant
20986 2006-01-09 Jeff Law <law@redhat.com>
20988 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20989 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20990 now unused arguments. Callers updated.
20991 (eliminate_redundant_computations): Remove now unused arguments,
20993 (local_fold): Remove, no longer used.
20994 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20996 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20997 (simplify_cond): New function.
20998 (forward_propagate_into_cond): Call simplify_cond.
21000 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21002 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21003 (*vec_extractv2di_1_sse): New.
21005 2006-01-09 Ben Elliston <bje@au.ibm.com>
21007 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21009 2006-01-08 Richard Guenther <rguenther@suse.de>
21011 * tree-ssa-structalias.c (get_constraint_for): Remove
21012 anyoffset argument.
21013 (get_constraint_for_component_ref): Likewise.
21014 (do_deref): Likewise.
21015 (get_constraint_for): Likewise.
21016 (do_structure_copy): Likewise.
21017 (handle_ptr_arith): Likewise.
21018 (find_func_aliases): Likewise. Remove unused need_anyoffset
21021 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21022 Kaz Kojima <kkojima@gcc.gnu.org>
21024 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21025 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21026 (EXTRA_CONSTRAINT_C16): Remove.
21027 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21028 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21029 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21030 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21031 constants of SHmedia. Handle nested constant expressions of
21033 (andcosts): Fix the costs for SHmedia constants.
21034 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21035 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21036 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21037 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21038 (movv4hi_i, movv2si_i): Likewise.
21039 (movsi_const): Adjust the second operand of ior so to match with
21040 the Csu constraint.
21041 (movdi_const, movdi_const_32bit): Likewise.
21042 (movdi_const_16bit+1): Don't sign-extend LOW.
21043 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21045 (*double_shori): Fix the split condition. Use GEN_INT instead
21046 of get_int_mode calls. Mask lower 16-bit of the argument of
21048 (sym2GOTPLT): Remove.
21049 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21051 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21052 instead of EXTRA_CONSTRAINT_C16.
21054 2006-01-07 Ian Lance Taylor <ian@airs.com>
21055 David Edelsohn <edelsohn@gnu.org>
21057 PR rtl-optimization/25662
21058 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21059 for constant operands instead of simplify_gen_binary.
21060 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21061 after trying simplify_binary_operation
21063 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21065 * tree.c (iterative_hash_expr): Hash decls based on UID.
21067 2006-01-06 Eric Christopher <echristo@apple.com>
21069 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21070 (TARGET_UNWIND_EMIT): Fix spelling.
21071 * target.h (gcc_target): Add except_table_label.
21072 * except.c (output_function_exception_table): Use.
21073 * varasm.c (default_emit_except_table_label): New.
21074 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21076 (asm_out): Add here.
21077 * output.h (default_emit_except_table_label): Prototype.
21078 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21079 * config/darwin.c (darwin_emit_except_table_label): Define.
21080 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21082 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21084 PR tree-optimization/18527
21085 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21086 number_of_iterations_special, number_of_iterations_exit):
21087 Move base and step of an iv to a single structure. Add
21088 no_overflow flag, and use it in # of iterations analysis.
21089 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21090 folded_casts argument.
21091 (simple_iv): Pass base and step in a structure. Set no_overflow
21093 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21094 Evaluate expensiveness of computing # of iterations instead of
21095 the final expression.
21096 * tree-scalar-evolution.h (affine_iv): New structure.
21097 (simple_iv): Declaration changed.
21098 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21099 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21100 find_givs_in_stmt): Changed due to simple_iv change.
21102 2006-01-06 Jeff Law <law@redhat.com>
21105 * tree-cfg.c (bsi_replace): Rename final argument from
21106 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21107 change (stmt -> orig_stmt).
21108 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21109 (bsi_remove): Add new argument. Remove EH information
21111 (verify_eh_throw_table_statements): New function.
21112 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21114 * tree-optimize.c (execute_free_cfg_annotations): Verify
21115 the EH throw statement table after removing annotations.
21116 * except.h (verify_eh_throw_table_statements): Prototype.
21117 * tree-flow.h (bsi_remove): Update prototype.
21118 * tree-vrp.c (remove_range_assertions): Add new argument to
21120 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21121 * tree-complex.c (expand_complex_div_wide): Likewise.
21122 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21123 * tree-tailcall.c (eliminate_tailcall): Likewise.
21124 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21125 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21126 * tree-nrv.c (tree_nrv): Likewise.
21127 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21128 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21129 (combine_blocks): Likewise.
21130 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21131 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21132 (cleanup_control_flow): Likewise.
21133 (remove_forwarder_block): Likewise.
21134 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21135 * tree-sra.c (sra_replace): Likewise.
21136 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21137 (forward_propagate_single_use_vars): Likewise.
21138 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21139 * tree-inline.c (expand_call_inline): Likewise.
21140 * tree-vect-transform.c (vect_transform_loop): Likewise.
21141 * tree-outof-ssa.c (rewrite_trees): Likewise.
21142 * tree-cfg.c (make_goto_expr_edges): Likewise.
21143 (cleanup_dead_labels): Likewise.
21144 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21145 (bsi_move_before, bsi_move_after): Likewise.
21146 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21147 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21149 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21152 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21154 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21155 on non gimple variables. Also add checks at the top for decls and
21157 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21159 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21160 and IMAGPART_EXPR for creating MUST_DEFs.
21161 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21162 and NAME_MEMORY_TAG separately from the DECLs.
21164 2006-01-06 Richard Guenther <rguenther@suse.de>
21166 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21167 annotation, if necessary.
21168 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21169 redundant calls to update_stmt.
21170 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21173 2006-01-05 Richard Henderson <rth@redhat.com>
21175 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21177 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21179 * c-typeck.c: Update copyright date.
21181 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21183 * c-typeck.c (build_c_cast): Always warn when casting
21184 from a pointer to an integer of different size, even if
21185 the node was constant.
21187 2006-01-05 Richard Guenther <rguenther@suse.de>
21189 PR tree-optimization/22555
21190 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21191 if one structure field is an array.
21192 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21193 operands even if we found a subvar, but ignore VOPs in this
21195 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21197 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21199 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21201 PR middle-end/24998
21202 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21204 2006-01-05 Richard Guenther <rguenther@suse.de>
21205 Diego Novillo <dnovillo@redhat.com>
21207 * tree-pass.h (TODO_remove_unused_locals): Define.
21208 * gimple-low.c (expand_var_p, remove_useless_vars,
21209 pass_remove_useless_vars): Remove. Update all users.
21210 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21211 (remove_unused_locals): New function.
21212 * tree-flow.h (remove_unused_locals): Declare.
21213 * passes.c (execute_todo): Call remove_unused_locals if
21214 TODO_remove_unused_locals is set.
21215 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21216 * tree-ssa-dce.c (pass_dce): Likewise.
21217 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21219 2006-01-05 Richard Guenther <rguenther@suse.de>
21221 * tree-flow.h (struct fieldoff): Decompose field to
21222 type, size and decl.
21223 * tree-ssa-alias.c (create_sft): Take type as parameter.
21224 (create_overlap_variables_for): Store type, size and decl
21225 in the fieldoff structure.
21226 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21227 of struct fieldoff.
21228 (push_fields_onto_fieldstack): Likewise.
21229 (create_variable_info_for): Likewise. Use offset for the
21230 SFT name if the decl is not available.
21232 2006-01-04 Paul Brook <paul@codesourcery.com>
21234 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21236 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21238 * lambda-code.c (can_put_in_inner_loop): Relax
21240 (can_put_after_inner_loop): New function.
21241 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21242 (perfect_nestify): Change to make copies and modify uses.
21244 2006-01-04 Richard Henderson <rth@redhat.com>
21246 Merge from gomp branch:
21247 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21248 via integer constant.
21249 (pragma_lex): Remove.
21250 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21251 rather than parsing it.
21252 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21253 handle_pragma_extern_prefix): Add %< %> quotes.
21254 (registered_pragmas): New.
21255 (c_register_pragma_1): New.
21256 (c_register_pragma): Use it.
21257 (c_register_pragma_with_expansion): Likewise.
21258 (c_invoke_pragma_handler): New.
21259 (init_pragma): Use cpp_register_deferred_pragma directly for
21261 * c-pragma.h (enum pragma_kind): New.
21262 (pragma_handler): New.
21263 (c_invoke_pragma_handler): Declare.
21264 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21266 * c-common.h (c_common_pch_pragma): Update decl.
21267 * Makefile.in (c-parser.o): Update dependencies.
21268 (GTFILES): Add c-pragma.h.
21269 * c-parser.c (struct c_token): Add pragma_kind.
21270 (struct c_parser): Add in_pragma.
21271 (c_lex_one_token): Always initialize keyword and pragma_kind.
21272 Extract data for CPP_PRAGMA.
21273 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21274 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21275 Don't allow CPP_PRAGMA_EOL if in_pragma.
21276 (c_parser_consume_pragma): New.
21277 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21278 (c_parser_skip_to_end_of_parameter): Likewise.
21279 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21280 (c_parser_skip_to_pragma_eol): New.
21281 (c_parser_external_declaration): Handle CPP_PRAGMA.
21282 (c_parser_compound_statement_nostart): Likewise.
21283 (c_parser_statement_after_labels): Likewise.
21284 (c_parser_pragma): New.
21285 (pragma_lex): Likewise.
21286 (c_parser_pragma_pch_preprocess): New.
21287 (c_parser_new): Merge into ...
21288 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21290 2006-01-04 Jeff Law <law@redhat.com>
21293 * tree-cfg.c (bsi_replace): Remove the original statement
21294 from the EH throw statement table.
21296 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21298 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21299 make the prototype extern "C" and add throw ().
21302 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21303 and pos non-negative and pos + len <= 32.
21304 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21305 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21306 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21309 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21310 as well as sizes not multiple of component size.
21313 * function.c (instantiate_expr): New function.
21314 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21315 walk its DECL_VALUE_EXPR with instantiate_expr.
21317 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21318 DW_OP_deref{,_size} if address isn't going to be added.
21320 2006-01-04 Ben Elliston <bje@au.ibm.com>
21322 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21323 * config/fp-bit.c: Likewise.
21325 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21327 * dominance.c: Add comment about why we use DFS numbering
21330 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21331 Richard Henderson <rth@redhat.com>
21333 Merge from gomp-branch:
21334 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21335 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21337 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21339 PR rtl-optimization/25578
21340 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21341 pass a parameter to simplify_shift_const if changing ASHIFTRT
21344 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21346 * builtins.c (get_builtin_sync_mem): New function.
21347 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21348 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21349 Call get_builtin_sync_mem to generate mem rtx.
21351 2006-01-03 Richard Guenther <rguenther@suse.de>
21354 * stmt.c (add_case_node): Make sure to clear overflow flags
21357 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21359 Merge from gomp-branch.
21360 * config/sparc/sync.md: New file.
21361 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21362 UNSPECV_LDSTUB): New constants.
21363 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21364 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21365 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21368 2006-01-03 Roger Sayle <roger@eyesopen.com>
21370 * combine.c (reg_subword_p): New predicate to test whether the
21371 destination of a set refers to a subword/piece of a register.
21372 (try_combine): Generalize the code to merge the setting of a
21373 pseudo to a constant followed by a set of a subword of that
21374 register to a constant.
21376 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21378 * basic-block.h (control_flow_graph): Change the type of
21379 x_label_to_block_map to VEC(basic_block,gc) *.
21380 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21381 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21383 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21384 VEC(basic_block,heap) *.
21385 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21386 ssa_prop_fini): Adjust the uses of cfg_blocks.
21388 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21390 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21392 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21393 hashing trees instead of a pointer hash.
21394 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21395 compare for MEM_EXPR.
21397 PR rtl-optimization/25130
21398 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21399 when comparing MEMs for GCSE
21401 2006-01-03 Ben Elliston <bje@au.ibm.com>
21403 * targhooks.h (default_decimal_float_supported_p): Declare.
21404 * targhooks.c (default_decimal_float_supported_p): Define.
21405 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21406 `default_decimal_float_supported_p'.
21407 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21409 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21411 * combine.c (apply_distributive_law <SUBREG>): Check
21412 TRULY_NOOP_TRUNCATION.
21414 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21416 * dwarf2out.c (have_switched_text_section): Delete.
21417 (have_multiple_function_sections): New.
21418 (have_location_lists): Make 'bool'.
21419 (add_AT_loc_list): Use 'true' not '1'.
21420 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21421 (output_loc_list): Use have_multiple_function_sections.
21422 (output_ranges): Likewise.
21423 (dwarf2out_begin_function): Set have_multiple_function_sections if
21425 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21426 Check function_section rather than DECL_SECTION_NAME.
21427 (dwarf2out_finish): Use have_multiple_function_sections.
21428 Don't clear have_location_lists.
21430 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21431 Jan Hubicka <jh@suse.cz>
21433 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21434 case of conditional jump jumping to the next instruction.
21435 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21436 cases of conditional jump jumping to the next instruction.
21438 2006-01-02 Jan Hubicka <jh@suse.cz>
21440 * i386.c (*_cost): Add COSTS_N_INSNS.
21441 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21443 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21446 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21448 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21450 * config/arm/arm.c (all_fpus): Fix comment typo.
21451 * config/darwin.c: Likewise.
21452 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21453 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21454 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21456 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21458 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21459 (rs6000_split_compare_and_swapqhi): New.
21460 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21461 (sync_compare_and_swapqhi_internal): New.
21462 * config/rs6000/rs6000-protos.h: Declare.