1 2006-12-06 Jan Hubicka <jh@suse.cz>
3 * tree-vrp.c (operand_less_p): New.
4 (compare_values, value_inside_range): Rewrite in terms of
7 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
9 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
11 (length_immediate): Do not depend on cld type attribute.
12 (length_address): Ditto.
15 (cld): Remove insn pattern.
16 (strmov_singleop): Do not use DIRFLAG_REG.
17 (*strmovdi_rex_1): Ditto.
19 (*strmovsi_rex_1): Ditto.
21 (*strmovhi_rex_1): Ditto.
23 (*strmovqi_rex_1): Ditto.
25 (*rep_movdi_rex64): Ditto.
27 (*rep_movsi_rex64): Ditto.
29 (*rep_movqi_rex64): Ditto.
30 (strset_singleop): Ditto.
31 (*strsetdi_rex_1): Ditto.
33 (*strsetsi_rex_1): Ditto.
35 (*strsethi_rex_1): Ditto.
37 (*strsetqi_rex_1): Ditto.
39 (*rep_stosdi_rex64): Ditto.
41 (*rep_stossi_rex64): Ditto.
43 (*rep_stosqi_rex64): Ditto.
44 (cmpstrnsi): Do not generate cld insn.
45 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
46 (*cmpstrnqi_nz_1): Ditto.
47 (*cmpstrnqi_nz_rex_1): Ditto.
49 (*cmpstrnqi_1): Ditto.
50 (*cmpstrnqi_rex_1): Ditto.
53 (*strlenqi_rex_1): Ditto.
55 * config/i386/geode.md (shift): Do not depend on cld type attribute.
56 * config/i386/pentium.md (pent_cld): Remove insn reservation.
57 * config/i386/athlon.md (athlon_decode): Do not depend on cld
59 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
60 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
62 (k6_alux_only_load): Ditto.
63 (k6_alux_only_store): Ditto.
65 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
66 Do not emit cld instruction.
67 (ix86_expand_setmem): Ditto.
68 (ix86_expand_strlen): Do not emit cld instruction.
70 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
72 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
75 2006-12-06 Diego Novillo <dnovillo@redhat.com>
77 * gdbinit.in: Set complaints to 0.
79 2006-12-06 Jan Hubicka <jh@suse.cz>
81 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
82 ALONE_MEM_STAT_DECL): New macros.
83 * bitmap.h: Include statistics.h
84 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
85 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
86 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
87 * bitmap.c: Include hashtab.h
88 (bitmap_descriptor): New.
89 (bitmap_hash): New static variable
90 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
92 (bitmap_register): New.
93 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
94 bitmap_obstack_release): Do accounting.
95 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
97 (bitmap_gc_alloc_stat): Likewise.
98 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
99 (print_statistics, dump_bitmap_statistics): New functions.
100 * toplev.c (finalize): Dump bitmap statistics.
102 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
104 * reload1.c (delete_output_reload): Count occurrences in
105 CALL_INSN_FUNCTION_USAGE.
106 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
107 crashing at the end of the list.
109 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
111 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
112 Optimize to avoid marking more SMT's as used when they aren't.
114 2006-12-05 Eric Christopher <echristo@apple.com>
116 * config/i386/i386.c (x86_output_aligned_bss): Move out
117 of COMMON_ASM_OP ifdef.
119 2006-12-05 Eric Christopher <echristo@apple.com>
121 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
122 (STARTFILE_SPEC): Use.
123 (DARWIN_DYLIB1_SPEC): New.
124 (DARWIN_CRT1_SPEC): New.
125 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
127 * config/i386/darwin.h: Ditto.
128 * config/rs6000/darwin.h: Ditto.
130 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
132 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
133 * tree-complex.c (pass_lower_complex): Ditto.
134 * tree-ssa-ccp.c (pass_ccp): Ditto.
135 (pass_store_ccp): Ditto.
136 * tree-ssa-dom.c (pass_dominator): Ditto.
137 (pass_phi_only_cprop): Ditto.
138 * tree-sra.c (pass_sra): Ditto.
139 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
140 * tree-flow.h (updating_used_alone): Remove.
141 (updating_used_alone): Ditto.
142 * tree-ssa-alias.c (updating_used_alone): Remove variable.
143 (lhs_may_store_to): Remove function.
144 (recalculate_used_alone): Ditto.
145 (compute_may_aliases): Remove used_alone calculation.
146 * tree.h (struct tree_memory_tag): Remove is_used_alone and
147 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
148 * tree-pass.h (PROP_smt_usage): Remove.
149 * passes.c (execute_todo): Remove used alone recalculation.
150 (execute_one_pass): Ditto.
151 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
154 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
156 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
158 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
160 PR tree-optimization/14784
161 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
163 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
165 Merge from gimple-tuples-branch.
167 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
169 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
171 (s390_gimplify_va_arg): Same.
172 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
173 * config/sh/sh.c (sh_va_start): Same.
174 (sh_gimplify_va_arg_expr): Same.
175 * config/xtensa/xtensa.c (xtensa_va_start): Same.
176 (xtensa_gimplify_va_arg_expr): Same.
177 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
178 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
179 * config/mips/mips.c (mips_va_start): Same.
180 (mips_gimplify_va_arg_expr): Same.
182 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
184 * Merge from mainline at revision 119445.
186 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
188 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
190 (spu_gimplify_va_arg_expr): Same.
192 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
194 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
195 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
196 (xstormy16_expand_builtin_va_arg): Same.
198 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
200 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
201 to GIMPLE_MODIFY_STMT.
203 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
205 * config/alpha/alpha.c (va_list_skip_additions): Change all
206 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
207 (alpha_va_start): Same.
208 (alpha_gimplify_va_arg_1): Same.
209 (alpha_gimplify_va_arg): Same.
211 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
213 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
215 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
217 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
218 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
220 * tree-complex.c: Same.
221 * tree-pretty-print.c: Same.
225 * fold-const.c: Same.
226 * tree-ssa-dom.c: Same.
227 * tree-ssa-propagate.c: Same.
228 * tree-ssa-alias.c: Same.
229 * gimple-low.c: Same.
231 * c-pretty-print.c: Same.
233 * tree-inline.c: Same.
234 * tree-outof-ssa.c: Same.
235 * tree-ssa-structalias.c: Same.
236 * tree-ssa-reassoc.c: Same.
239 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
241 * tree.c (build2_stat): Fix comment.
243 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
245 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
246 TREE_OPERAND when appropriate.
248 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
250 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
251 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
252 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
253 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
254 not handle GIMPLE_MODIFY_STMT in the switch statement.
255 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
256 (java_gimplify_new_array_init): Same.
258 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
260 * gimplify.c (gimplify_omp_for): Allow gimple statements.
261 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
262 * fold-const.c (fold_binary): Allow gimple statements.
264 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
265 Rename from gfc_conv_descriptor_data_set.
266 Call gfc_add_modify instead of gfc_add_modify_expr.
267 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
268 Rename from gfc_conv_descriptor_data_set.
269 (gfc_conv_descriptor_data_set): New macro.
270 (gfc_conv_descriptor_data_set_tuples): New macros.
271 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
272 gfc_conv_descriptor_data_set_tuples.
273 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
274 Generate GIMPLE_MODIFY_STMT when appropriate.
275 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
276 (gfc_add_modify_expr): New macro.
277 (gfc_add_modify_stmt): New macro.
278 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
280 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
282 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
283 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
286 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
288 * Merge from mainline at revision 118200.
290 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
292 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
295 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
297 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
299 Also, add __extension__ to GCC versions.
300 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
301 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
304 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
306 * tree-complex.c (expand_complex_libcall): Adjust for
308 (expand_complex_comparison): Same.
309 * tree-pretty-print.c (dump_generic_node): Is_expr should include
310 GIMPLE_STMT_P statements.
311 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
313 (tree_mod_pow2_value_transform): Same.
314 (tree_mod_subtract_transform): Same.
315 * tree.c (build2_stat): Check for gimplified function in cfun.
316 * tree.h (DECL_GIMPLIFIED): Delete.
317 (struct tree_function_decl): Remove gimplified_flag.
318 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
319 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
320 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
321 (cxx_omp_clause_copy_ctor): Same.
322 (cxx_omp_clause_assign_op): Same.
323 * c-pretty-print.c (pp_c_conditional_expression): Same.
324 (pp_c_expression): Same.
325 * langhooks.c (lhd_omp_predetermined_sharing): Same.
326 * function.h (struct function): Add gimplified field.
327 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
329 (find_phi_replacement_condition): Same.
330 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
331 (gimplify_modify_expr_to_memset): Same.
332 (gimplify_init_ctor_eval_range): Same.
333 (gimplify_modify_expr_complex_part): Same.
334 (tree_to_gimple_tuple): Same.
335 (gimplify_modify_expr): Same.
336 (gimple_push_cleanup): Same.
337 (gimplify_omp_for): Same.
338 (gimplify_omp_atomic_pipeline): Same.
339 (gimplify_omp_atomic_mutex): Same.
340 (gimplify_expr): Same.
341 (gimplify_one_sizepos): Same.
342 (gimplify_function_tree): Same.
343 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
344 (vect_recog_widen_sum_pattern): Same.
345 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
346 (vect_create_epilog_for_reduction): Same.
347 (vectorizable_reduction): Same.
349 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
351 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
352 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
353 (ifc_temp_var): Same.
354 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
355 for gimple statements.
356 (vect_analyze_operations): Same.
357 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
358 * gimplify.c (gimplify_return_expr): Handle gimple statements.
359 * lambda-code.c (can_put_in_inner_loop): Same.
360 (can_put_after_inner_loop): Same.
361 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
362 (vect_create_data_ref_ptr): Same.
363 (vect_init_vector): Same.
364 (vect_get_vec_def_for_operand): Same.
365 (vect_create_epilog_for_reduction): Same.
366 (vectorizable_reduction): Same.
367 (vectorizable_assignment): Same.
368 (vectorizable_operation): Same.
369 (vectorizable_load): Same.
370 (vectorizable_condition): Same.
371 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
372 (rs6000_gimplify_va_arg): Same.
374 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
376 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
378 (simplify_abs_using_ranges): Same.
379 * tree-complex.c (expand_complex_operations_1): Use
380 PROTECTED_TREE_OPERAND.
381 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
383 (get_val_for): Use GIMPLE_STMT_OPERAND.
384 * tree-tailcall.c (adjust_accumulator_values): Same.
385 (adjust_return_value): Same.
386 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
387 case. Remove special case for tcc_gimple_stmt.
388 * tree.h (CAN_HAVE_LOCATION_P): New.
389 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
391 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
392 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
393 * tree-nrv.c (execute_return_slot_opt): Same.
394 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
395 * tree-vn.c (set_value_handle): Same.
396 (get_value_handle): Same.
397 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
398 * tree-vectorizer.c (find_loop_location): Same.
399 * c-typeck.c (c_process_expr_stmt): Same.
400 (c_finish_stmt_expr): Same.
401 * gimplify.c (should_carry_locus_p): Same.
402 (tree_to_gimple_tuple): Delete definition and use of unecessary
403 variable save_tree_block.
404 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
405 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
406 (realify_fake_stores): Same.
407 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
409 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
410 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
411 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
412 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
413 (c_parser_statement_after_labels): Same.
414 (c_parser_paren_condition): Same.
415 (c_parser_for_statement): Same.
416 (c_parser_omp_for_loop): Same.
417 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
418 (linearize_expr_tree): Same.
419 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
420 * function.c (instantiate_expr): Same.
422 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
424 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
425 (set_expr_location): Same.
427 (set_expr_locus): Same.
428 (expr_filename): Same.
430 (tree_block): Use GIMPLE_STMT_BLOCK.
431 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
432 * tree.h (struct gimple_stmt): Remove prev and next.
433 (GIMPLE_STMT_OPERAND_CHECK): New.
434 (TREE_TO_GIMPLE_STMT): Delete.
435 (GIMPLE_STMT_TO_TREE): Delete.
436 (GIMPLE_STMT_OPERAND): Use union, not cast.
437 (GIMPLE_STMT_LOCUS): New.
438 (GIMPLE_STMT_BLOCK): New.
439 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
441 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
443 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
445 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
447 * tree-tailcall.c (adjust_return_value): Same.
448 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
449 (copy_node_stat): Change common.base to base.
450 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
451 Remove GIMPLE_STATEMENT_LIST case.
452 * tree.h (struct gimple_stmt): Make operands of type tree.
453 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
454 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
455 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
456 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
457 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
458 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
459 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
460 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
461 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
462 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
463 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
464 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
465 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
466 Change common.base to base.
467 (GIMPLE_STATEMENT_LIST*): Remove.
468 (union tree_node): Add base. Remove gimple_statement_list.
469 Remove pointer from gstmt.
470 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
471 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
472 * tree-vn.c (vn_compute): Change common.base to base.
473 * tree-eh.c (verify_eh_throw_stmt_node): Same.
474 * tree-flow-inline.h (var_ann): Same.
475 (function_ann): Same.
477 (mark_non_addressable): Same.
478 * gimplify.c (tree_to_gimple_tuple): Same.
479 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
480 * tree-dfa.c (create_var_ann): Change common.base to base.
481 (create_function_ann): Same.
482 (create_stmt_ann): Same.
483 (create_tree_ann): Same.
484 (collect_dfa_stats_r): Same.
485 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
486 * tree-ssa-dce.c (NECESSARY): Same.
487 * tree-ssa.c (delete_tree_ssa): Same.
488 * tree-optimize.c (execute_free_cfg_annotations): Same.
491 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
493 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
494 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
496 * tree.h (struct gimple_stmt): Add prev and next fields.
497 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
498 (GIMPLE_STATEMENT_LIST_HEAD): New.
499 (GIMPLE_STATEMENT_LIST_TAIL): New.
500 (struct gimple_statement_list): New.
501 (union tree_node): Add gimple_stmt_list and gstmt.
502 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
503 * tree.def: Add GIMPLE_STATEMENT_LIST.
505 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
507 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
508 * tree-vrp.c (build_assert_expr_for): Change uses of
509 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
510 (find_assert_locations): Same.
511 (remove_range_assertions): Same.
512 (stmt_interesting_for_vrp): Same.
513 (vrp_visit_assignment): Same.
514 (vrp_visit_stmt): Same.
515 (simplify_cond_using_ranges): Same.
516 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
518 * tree-ssa-loop-im.c (movement_possibility): Change uses of
519 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
521 (determine_invariantness_stmt): Same.
523 (gather_mem_refs_stmt): Same.
524 * tree-complex.c (init_dont_simulate_again): Same.
525 (complex_visit_stmt): Same.
526 (set_component_ssa_name): Same.
527 (expand_complex_move): Same.
528 (expand_complex_div_wide): Same.
529 (expand_complex_comparison): Same.
530 (expand_complex_operations_1): Same.
531 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
532 (chain_of_csts_start): Same.
533 (infer_loop_bounds_from_undefined): Same.
534 * tree-pretty-print.c (dump_generic_node): Same.
537 * tree-ssa-loop-manip.c (create_iv): Same.
538 * value-prof.c (tree_divmod_fixed_value): Same.
539 (tree_divmod_fixed_value_transform): Same.
540 (tree_mod_pow2): Same.
541 (tree_mod_pow2_value_transform): Same.
542 (tree_mod_subtract): Same.
543 (tree_mod_subtract_transform): Same.
544 (tree_divmod_values_to_profile): Same.
545 * tree-tailcall.c (process_assignment): Same.
546 (find_tail_calls): Same.
547 (adjust_accumulator_values): Same.
548 (adjust_return_value): Same.
549 (eliminate_tail_call): Same.
550 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
551 (make_node_stat): Same.
552 (copy_node_stat): Handle gimple tuples.
553 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
554 (tree_node_structure): Handle tcc_gimple_stmt.
555 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
557 (build2_gimple_stat): New.
558 (expr_location): New.
559 (set_expr_location): New.
560 (expr_has_location): New.
562 (set_expr_locus): New.
563 (expr_filename): New.
565 (walk_tree): Handle tcc_gimple_stmt.
567 (protected_tree_operand): New.
568 (protected_tree_type): New.
569 (tree_code_kind): Add gimple statements.
570 * tree.h (tree_code_class): Add tcc_gimple_stmt.
571 (IS_GIMPLE_STMT_CODE_CLASS): New.
572 (struct tree_base): New.
573 (struct tree_common): Shrink.
574 (struct gimple_stmt): New.
575 (struct gimple_expr): New.
576 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
577 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
578 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
579 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
580 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
581 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
582 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
583 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
584 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
585 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
586 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
587 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
588 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
589 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
590 Adjust for new `common' layout.
591 (struct tree_function_decl): Add gimplified_flag.
592 (DECL_GIMPLIFIED): NEW.
593 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
594 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
595 EXPR_HAS_LOCATION): Call corresponding function.
596 (GIMPLE_STMT_CHECK): New.
597 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
598 (TREE_BLOCK): Call tree_block.
599 (GIMPLE_STMT_P): New.
600 (GIMPLE_TUPLE_P): New.
601 (TREE_TO_GIMPLE_STMT): New.
602 (GIMPLE_STMT_TO_TREE): New.
603 (GIMPLE_STMT_OPERAND): New.
604 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
605 (PROTECTED_TREE_OPERAND): New.
606 (PROTECTED_TREE_TYPE): New.
607 (build2_gimple_stat): Protoize.
608 (build2_gimple): New.
609 (expr_location): Protoize.
610 (set_expr_location): Protoize.
611 (expr_has_location): Protoize.
612 (expr_locus): Protoize.
613 (set_expr_locus): Protoize.
614 (expr_filename): Protoize.
615 (expr_lineno): Protoize.
616 (tree_block): Protoize.
617 (protected_tree_operand): Protoize.
618 (protected_tree_type): Protoize.
619 (enum tree_node_kind): Add gimple_stmt_kind.
620 * c-decl.c (union lang_tree_node): Tuples do not have a
622 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
623 GIMPLE_MODIFY_STMT and adjust accordingly.
624 * tree-scalar-evolution.c (follow_ssa_edge): Same.
625 (interpret_condition_phi): Same.
626 (pointer_used_p): Same.
627 (analyze_scalar_evolution_1): Same.
628 (scev_const_prop): Same.
629 (interpret_rhs_modify_stmt): Rename from
630 interpret_rhs_modify_expr.
631 * builtins.c (std_expand_builtin_va_start): Change uses of
632 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
633 (std_gimplify_va_arg_expr): Same.
634 (expand_builtin_va_copy): Same.
635 (integer_valued_real_p): Same.
636 * fold-const.c (maybe_lvalue_p): Same.
638 (tree_expr_nonnegative_p): Same.
639 (tree_expr_nonzero_p): Same.
640 * omp-low.c (extract_omp_for_data): Same.
641 (lower_rec_input_clauses): Same.
642 (lower_reduction_clauses): Same.
643 (lower_copyprivate_clauses): Same.
644 (lower_send_clauses): Same.
645 (lower_send_shared_vars): Same.
646 (expand_parallel_call): Same.
647 (expand_omp_parallel): Same.
648 (expand_omp_for_generic): Same.
649 (expand_omp_for_static_nochunk): Same.
650 (expand_omp_for_static_chunk): Same.
651 (expand_omp_sections): Same.
652 (lower_omp_single_copy): Same.
653 (lower_omp_parallel): Same.
654 * tree-ssa-dse.c (memory_address_same): Same.
655 (dse_optimize_stmt): Same.
656 * ipa-reference.c (scan_for_static_refs): Same.
657 * tree-gimple.c (is_gimple_reg_rhs): Same.
658 (get_call_expr_in): Same.
659 (recalculate_side_effects): Same.
660 * cgraphunit.c (cgraph_create_edges): Same.
661 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
662 * tree-ssa-ccp.c (get_default_value): Same.
663 (likely_value): Same.
664 (visit_assignment): Same.
665 (ccp_visit_stmt): Same.
666 (get_maxval_strlen): Same.
667 (ccp_fold_builtin): Same.
668 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
669 (find_givs_in_stmt): Same.
670 (find_interesting_uses_op): Same.
671 (find_interesting_uses_stmt): Same.
672 (rewrite_use_nonlinear_expr): Same.
673 * ipa-pure-const.c (scan_function): Same.
674 * tree-stdarg.c (va_list_counter_bump): Same.
675 (check_all_va_list_escapes): Same.
676 (execute_optimize_stdarg): Same.
677 * tree-ssa-math-opts.c (compute_merit): Same.
678 (insert_reciprocals): Same.
679 (execute_cse_reciprocals): Same.
680 * tree-ssa-dom.c (initialize_hash_element): Same.
681 (simple_iv_increment_p): Same.
682 (record_equivalences_from_stmt): Same.
683 (optimize_stmt): Same.
684 (remove_stmt_or_phi): Same.
685 (get_rhs_or_phi_arg): Same.
686 (get_lhs_or_phi_result): Same.
687 (propagate_rhs_into_lhs): Same.
688 * tree-nrv.c (tree_nrv): Same.
689 (execute_return_slot_opt): Same.
690 * tree-ssa-propagate.c (get_rhs): Same.
692 (stmt_makes_single_load): Same.
693 (stmt_makes_single_store): Same.
694 (replace_vuses_in): Same.
695 (fold_predicate_in): Same.
696 (substitute_and_fold): Same.
697 * tree-ssa-alias.c (compute_call_clobbered): Same.
698 (recalculate_used_alone): Same.
699 (count_uses_and_derefs): Same.
700 (is_escape_site): Same.
701 (find_used_portions): Same.
702 * gimple-low.c (lower_stmt): Same.
703 (block_may_fallthru): Same.
704 (lower_return_expr): Same.
705 * tree-ssa-sink.c (is_hidden_global_store): Same.
706 (statement_sink_location): Same.
707 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
708 * expr.c (safe_from_p): Same.
709 (expand_expr_real): Same.
710 (expand_expr_real_1): Same.
711 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
712 * predict.c (expr_expected_value): Same.
713 (strip_builtin_expect): Same.
714 (apply_return_prediction): Same.
715 (tree_bb_level_predictions): Same.
716 (tree_estimate_probability): Same.
717 * tree-vn.c (vn_compute): Same.
718 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
719 (remove_stmt_from_eh_region_fn): Same.
720 (do_return_redirection): Same.
721 (honor_protect_cleanup_actions): Same.
722 (lower_try_finally_switch): Same.
723 (lower_eh_constructs_1): Same.
724 (tree_could_throw_p): Same.
725 (verify_eh_throw_stmt_node): Same.
726 * function.c (gimplify_parameters): Same.
727 * tree-vectorizer.c (vect_is_simple_use): Same.
728 (vect_is_simple_reduction): Same.
729 * ipa-type-escape.c (scan_for_refs): Same.
730 * tree-if-conv.c (tree_if_conversion): Same.
731 (tree_if_convert_stmt): Same.
732 (if_convertible_gimplify_modify_stmt_p): Rename from
733 if_convertible_modify_expr_p.
734 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
735 (ifc_temp_var): Same.
736 (replace_phi_with_cond_modify_stmt): Rename from
737 replace_phi_with_cond_modify_expr.
738 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
739 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
740 * tree-data-ref.c (find_data_references_in_loop): Adjust for
742 * tree-flow-inline.h (var_ann): Same.
743 (function_ann): Same.
745 (mark_non_addressable): Same.
746 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
747 * gimplify.c (tree_to_gimple_tuple): New.
748 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
749 (gimplify_return_expr): Same.
750 (gimplify_decl_expr): Same.
751 (gimplify_self_mod_expr): Same.
752 (gimplify_cond_expr): Same.
753 (gimplify_init_constructor): Same.
754 (gimplify_modify_expr): Same.
755 (gimplify_expr): Same.
756 (gimplify_function_tree): Same.
757 (force_gimple_operand): Same.
758 * tree-ssa-phiopt.c (conditional_replacement): Same.
759 (minmax_replacement): Same.
760 (abs_replacement): Same.
761 * tree-dfa.c (create_var_ann): Same.
762 (create_function_ann): Same.
763 (create_stmt_ann): Same.
764 (create_tree_ann): Same.
765 (collect_dfa_stats_r): Same.
766 * tree-ssa-pre.c (find_or_generate_expression): Same.
767 (create_expression_by_pieces): Same.
768 (try_look_through_load): Same.
769 (insert_fake_stores): Same.
770 (realify_fake_stores): Same.
771 (compute_avail): Same.
774 (poolify_modify_stmt): Rename from poolify_modify_stmt.
775 Adjust for GIMPLE_MODIFY_STMT.
776 (NECESSARY): Adjust for new `common' layout.
777 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
779 * tree-sra.c (sra_walk_modify_stmt): Rename from
780 sra_walk_modify_expr.
781 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
782 (generate_copy_inout): Same.
783 (generate_element_copy): Same.
784 (generate_element_zero): Same.
785 (scalarize_copy): Same.
786 * tree-mudflap.c (mf_decl_cache_locals): Same.
787 (mf_build_check_statement_for): Same.
788 (mf_xform_derefs): Same.
789 * ipa-prop.c (ipa_method_modify_stmt): Same.
790 * print-tree.c (print_node): Handle gimple tuples.
791 Add case for tcc_gimple_stmt.
792 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
794 (copy_prop_visit_assignment): Same.
795 (copy_prop_visit_stmt): Same.
796 (init_copy_prop): Same.
797 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
798 (forward_propagate_into_cond_1): Same.
799 (find_equivalent_equality_comparison): Same.
800 (tidy_after_forward_propagate_addr): Same.
801 (forward_propagate_addr_expr_1): Same.
802 (simplify_not_neg_expr): Same.
803 (simplify_switch_expr): Same.
804 * tree-ssa-dce.c (find_pdom): Same.
805 (mark_stmt_if_obviously_necessary): Same.
806 (NECESSARY): Adjust for new `common' layout.
808 * tree-vect-patterns.c (widened_name_p): Adjust for
810 (vect_recog_dot_prod_pattern): Same.
811 (vect_recog_widen_sum_pattern): Same.
812 (vect_pattern_recog_1): Same.
813 * tree-nested.c (init_tmp_var): Same.
814 (save_tmp_var): Same.
816 (convert_call_expr): Same.
817 (finalize_nesting_tree_1): Same.
818 * tree-ssa.c (verify_ssa): Same.
819 (delete_tree_ssa): Same.
820 * lambda-code.c (lbv_to_gcc_expression): Same.
821 (lle_to_gcc_expression): Same.
822 (lambda_loopnest_to_gcc_loopnest): Same.
823 (can_put_in_inner_loop): Same.
824 (can_convert_to_perfect_nest): Same.
825 (perfect_nestify): Same.
826 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
827 * tree-inline.c (copy_body_r): Same.
828 (setup_one_parameter): Same.
829 (initialize_inlined_parameters): Same.
830 (estimate_num_insns_1): Same.
831 (expand_call_inline): Same.
832 (gimple_expand_calls_inline): Same.
834 * tree-optimize.c (execute_free_cfg_annotations): Same.
835 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
836 (vect_align_data_ref): Same.
837 (vect_create_data_ref_ptr): Same.
838 (vect_init_vector): Same.
839 (vect_create_epilog_for_reduction): Same.
840 (vectorizable_reduction): Same.
841 (vectorizable_assignment): Same.
842 (vectorizable_operation): Same.
843 (vectorizable_store): Same.
844 (vectorizable_load): Same.
845 (vectorizable_live_operation): Same.
846 (vectorizable_condition): Same.
847 (vect_generate_tmps_on_preheader): Same.
848 (vect_create_cond_for_align_checks): Same.
849 * tree-object-size.c (collect_object_sizes_for): Same.
850 (check_for_plus_in_loops_1): Same.
851 (check_for_plus_in_loops): Same.
852 * tree-outof-ssa.c (insert_copy_on_edge): Same.
853 (replace_use_variable): Same.
854 (check_replaceable): Same.
855 (rewrite_trees): Same.
856 (identical_copies_p): Same.
857 (insert_backedge_copies): Same.
858 * tree-profile.c (tree_gen_edge_profiler): Same.
859 * tree-vect-generic.c (expand_vector_operations_1): Same.
860 * tree-ssa-structalias.c (update_alias_info): Same.
861 (find_func_aliases): Same.
862 * tree-cfg.c (factor_computed_gotos): Same.
864 (make_goto_expr_edges): Same.
865 (tree_merge_blocks): Same.
866 (remove_useless_stmts_cond): Same.
867 (remove_useless_stmts_1): Same.
868 (tree_find_edge_insert_loc): Same.
870 (gimplify_val): Same.
871 (verify_gimple_tuples_1): New.
872 (verify_gimple_tuples): New.
873 (verify_stmts): Call verify_gimple_tuples.
874 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
875 (get_unary_op): Same.
876 (linearize_expr): Same.
877 (get_single_immediate_use): Same.
878 (negate_value): Same.
879 (should_break_up_subtract): Same.
880 (break_up_subtract): Same.
881 (repropagate_negates): Same.
882 (break_up_subtract_bb): Same.
883 (reassociate_bb): Same.
884 * config/i386/i386.c (ix86_va_start): Same.
885 (ix86_gimplify_va_arg): Same.
886 * stmt.c (expand_expr_stmt): Same.
887 (warn_if_unused_value): Same.
888 (expand_return): Same.
889 * tree-ssanames.c (make_ssa_name): Same.
890 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
891 * tree-ssa-operands.c (finalize_ssa_defs): Same.
892 (add_virtual_operand): Same.
893 (get_expr_operands): Same.
894 (parse_ssa_operands): Same.
895 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
897 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
899 * config.host: Remove extra blank line.
901 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
903 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
904 target is also an x86 variant.
906 2006-12-05 Richard Guenther <rguenther@suse.de>
908 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
909 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
910 (ix86_builtin_vectorized_function): New function to vectorize
913 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
915 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
916 ia64_override_options.
918 2006-12-04 Jan Hubicka <jh@suse.cz>
920 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
923 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
925 * rtlanal.c (note_uses): Deal with SEQUENCEs.
926 * config/bfin/bfin.c: Include "timevar.h".
927 (bfin_flag_schedule_insns2, splitting_for_sched,
928 bfin_flag_var_tracking): New variables.
929 (print_operand): Handle '%!'.
930 (override_options): Disable normal sched2 pass, instead set
931 bfin_flag_schedule_insns2 for reorg to handle it.
932 (output_file_start): Likewise for var-tracking.
933 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
934 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
936 (bfin_reorg): Do second scheduling pass here, and call
937 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
938 of examining insns directly. If bfin_flag_var_tracking, call
939 var-tracking pass when done with everything else.
940 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
941 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
942 (movsi_insn32): New pattern, with two new splits to create it
943 before the final scheduling pass.
944 (neghi2): Not a dsp32 insn, rather alu0.
945 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
946 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
947 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
948 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
949 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
950 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
951 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
952 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
953 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
954 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
955 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
956 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
957 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
958 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
959 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
960 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
961 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
962 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
963 variants instead of ';'.
964 (ror_one, rol_one): Likewise. Make them dsp32 insns.
965 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
966 (align8, align16, align24): Now named patterns; also using '%!'.
969 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
971 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
972 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
974 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
976 * config/spu/spu-protos.c (spu_split_address): Add.
977 * config/spu/spu.c (spu_split_address): Add.
978 (print_operand): Handle HIGH.
979 (spu_legitimate_address): Don't test for aligned CONST.
980 (spu_expand_mov): Don't split addresses here.
981 * config/spu/constraints.md (A): Don't test legitimate_const.
982 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
983 (ceq_di): Use correct predicates.
985 2006-12-04 Eric Christopher <echristo@apple.com>
987 * config/darwin.h: Update copyright notice.
988 * config/i386/darwin.h: Ditto.
990 2006-12-04 Jan Hubicka <jh@suse.cz>
992 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
993 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
995 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
997 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
999 * tree-ssa-structalias.c (set_used_smts): Export.
1000 (find_what_p_points_to): Don't call set_used_smts here.
1001 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1003 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1005 * tree-ssa-alias.c (compute_may_aliases):
1006 Compute flow sensitive before flow insensitive.
1007 (compute_flow_sensitive_aliasing): Don't try to add
1008 a symbol memory tag to itself.
1010 * alias.h (alias_set_subset_of): New prototype.
1012 * alias.c (alias_set_subset_of): New function.
1014 * tree-ssa-structalias.c: Update comments.
1015 (struct variable_info): Add finished_solution.
1016 (new_varinfo): Set finished solution to NULL.
1017 (var_escaped_vars): Remove.
1018 (escaped_vars_tree): Remove.
1019 (escaped_vars_id): Remove.
1020 (nonlocal_vars_id): Remove.
1021 (constraint_expr_type): Add INCLUDES.
1022 (graph_size): Removed.
1023 (dump_constraint): Support INCLUDES.
1024 (build_constraint_graph): Ditto.
1025 (collapse_nodes): Add merge_solutions argument.
1026 Don't merge attributes.
1027 (process_unification_queue): Just use collapse_nodes.
1028 (perform_var_substitution): Update call to collapse_nodes.
1029 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1030 (process_constraint): Fix non-field sensitive handling
1032 (get_constraint_for): Use INCLUDES.
1033 (make_constraint_from_anything): Renamed from
1034 make_constraint_from_escaped.
1035 (make_constraint_to_escaped): Removed.
1036 (find_global_initializers): Removed.
1037 (create_variable_info_for): Do not make constraints to escaped
1039 (dump_solution_for_var): Don't print out the equivalent points-to
1040 sets, just use the name of the variable it shares it with.
1041 (intra_create_variable_infos): Use INCLUDES.
1042 Change nonlocal variable sets to anything sets.
1043 (init_base_vars): Remove escaped_vars and nonlocal_var
1045 (find_escape_constraints): Removed.
1046 (delete_points_to_sets): Remove dead code.
1047 (used_smt_calculated): New variable.
1048 (set_used_smts): New function.
1049 (merge_smts_into): New function.
1050 (find_what_p_points_to): Modify to use SMTs.
1051 (create_nonlocal_var): Remove.
1053 * tree-ssa-operands.c (access_can_touch_variable): Remove
1054 reference to nonlocal_all.
1056 * tree-ssa.c (verify_name_tags): Remove.
1058 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1060 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1061 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1063 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1065 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1066 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1067 (add_livein_if_notdef): Delete.
1068 (loe_visit_block): New. Propogate live on entry info for a block into
1069 each predecessor. If it changes, make sure it is visited again.
1070 (live_worklist): Visit every block and update the live on entry info
1071 for preds. Iterate over any that changed.
1072 (set_var_live_on_entry): Populate the live on entry blocks with bits
1073 based on the immediate uses of a var.
1074 (calculate_live_on_entry): Remove.
1075 (calculate_live_on_exit): Calculate live on exit based on the newly
1076 oriented live on entry bits.
1077 (calculate_live_ranges): Build live on entry and exit vectors.
1078 (dump_live_info): Use new orientation of live on entry bitmaps.
1079 (verify_live_on_entry): New. Split out verification code from old
1080 calculate_live_on_entry routine.
1081 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1082 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1083 basic_block instead of for a partition.
1084 (live_merge_and_clear): Add asserts.
1085 (make_live_on_entry): Set partition bit in basic block vector.
1087 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1090 * omp-low.c (expand_omp_for_static_nochunk,
1091 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1095 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1096 parallels if region->exit or region->inner->exit is NULL.
1097 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1099 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1100 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1101 or region->exit is NULL.
1102 (expand_omp_sections): Handle NULL region->cond or region->exit.
1105 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1107 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1108 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1110 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1112 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1113 TYPE_MAX_VALUE for scalar types here but...
1114 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1115 is attached an error mark, and the return value of the callback
1116 if it is not NULL_TREE.
1118 2006-12-04 Ben Elliston <bje@au.ibm.com>
1120 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1122 2006-12-03 Eric Christopher <echristo@apple.com>
1125 * config/t-slibgcc-darwin: Pass -install_name.
1126 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1127 libtool. Only pass through options that the linker recognizes.
1128 (LINK_SPEC): Update comment. Translate options.
1129 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1130 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1132 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1134 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1136 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1139 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1140 operands[1] in insn constraint. Correct type attribute to sselog1.
1142 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1145 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1147 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1148 processor detection.
1150 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1151 -march=native if there is no -mtune=*.
1153 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1156 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1158 * doc/install.texi: Update recommended MPFR version. Remove
1159 obsolete reference to cumulative patch.
1161 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1164 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1166 2006-11-30 Jan Hubicka <jh@suse.cz>
1167 Uros Bizjak <ubizjak@gmail.com>
1169 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1170 32bit memcpy/memset decriptors.
1171 (decide_alg): With -minline-all-stringops and sizes that are best
1172 to be copied via libcall still work hard enough to pick non-libcall
1175 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1177 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1179 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1180 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1181 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1182 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1183 config/spu/spu-c.c, config/spu/spu-modes.def,
1184 config/spu/spu.c, config/spu/spu.md,
1185 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1186 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1187 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1188 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1189 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1190 spelling conventions.
1192 * config/i386/i386.c: Fix a comment typo.
1194 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1196 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1197 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1198 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1199 better optimization.
1200 (floatv4siv4sf2): New.
1201 (fix_truncv4sfv4si2): New.
1202 (floatunsv4siv4sf2): New.
1203 (fixuns_truncv4sfv4si2): New.
1211 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1212 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1213 spu_resolve_overloaded_builtin instead of static inline functions.
1215 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1217 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1218 type instead of the size of its mode to compute the highest and
1219 lowest possible values. Still check the size of the mode before
1220 flipping the signedness of the comparison.
1222 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1224 * config/spu/predicates.md (spu_mov_operand): Add.
1225 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1226 (print_operand_address, print_operand): Handle addresses containing AND.
1227 (spu_split_load, spu_split_store): Use updated movti pattern.
1228 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1229 stores in mov patterns for correct operation of reload.
1230 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1232 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1235 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1237 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1239 * common.opt (ftree-combine-temps): Remove.
1240 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1241 (coalesce_ssa_name): Don't check for combine-temps.
1242 (coalesce_vars): Remove.
1243 (check_replaceable): Use num_imm_uses.
1244 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1245 check for combine-temps.
1246 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1247 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1248 to register_ssa_partition calls.
1249 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1250 (init_var_map, delete_var_map): remove refernces to ref_count.
1251 (create_ssa_var_map): Never calculate a ref count.
1252 (type_var_init): Remove.
1253 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1254 (SSA_VAR_MAP_REF_COUNT): Delete.
1255 (create_ssa_var_map): Change Prototype to have no parameters.
1256 (version_ref_count): Delete.
1257 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1259 (type_var_num, type_var, type_var_first_partition,
1260 type_var_next_partition, type_var_dump, type_var_delete,
1261 type_var_remove_partition, type_var_find, type_var_compact,
1262 type_var_decompact): Remove.
1264 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1266 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1269 2006-12-01 Richard Guenther <rguenther@suse.de>
1272 * dwarf2out.c (struct pubname_struct): Make name const.
1273 (add_pubtype): Do not xstrdup identifiers.
1275 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1277 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1278 multiword accesses are in range.
1280 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1282 PR tree-optimization/29921
1283 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1284 (set_lattice_value): Use canonicalize_float_value.
1286 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1288 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1289 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1290 (spu_cpu_cpp_builtins): Remove.
1291 (spu_override_options): Don't set warn_main.
1292 (spu_force_reg): Move from spu-c.c.
1293 (spu_check_builtin_parm): Likewise.
1294 (expand_builtin_args): Likewise.
1295 (spu_expand_builtin_1): Likewise.
1296 (spu_expand_builtin): Likewise.
1297 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1298 warn_main and targetm.resolve_overloaded_builtin.
1299 * config/spu/spu-c.c (spu_builtin_range): Remove.
1300 (spu_check_builtin_parm): Remove.
1301 (expand_builtin_args): Remove.
1302 (spu_expand_builtin_1): Remove.
1303 (spu_expand_builtin): Remove.
1304 (spu_cpu_cpp_builtins): Moved from spu.c
1305 (spu_force_reg): Remove.
1307 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1308 David Edelsohn <edelsohn@gnu.org>
1311 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1312 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1313 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1314 HARD_REGNO_NREGS_WITH_PADDING): Define.
1315 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1316 HARD_REGNO_NREGS_WITH_PADDING): Define.
1317 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1318 Use new macros to detect modes with holes; do not look at integer
1320 (subreg_offset_representable_p): Check for and disallow cases
1321 where the modes use different numbers of bits from registers.
1322 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1323 constant for soft-float.
1324 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1326 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1327 in E500 double case.
1328 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1329 (movtf_softfloat): New.
1331 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1333 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1334 simplify_gen_subreg.
1336 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1338 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1339 (COALESCE_HASH_FN): New. Define hash function.
1340 (partition_pair_map_hash): New. Hash value for a partition pair.
1341 (partition_pair_map_eq): New. Equality for hash pairs.
1342 (create_coalesce_list): Create hash table.
1343 (delete_coalesce_list): Free hash table.
1344 (find_partition_pair): Find/create pairs in hash table.
1345 (compare_pairs): Sort pairs in ascending order now.
1346 (num_coalesce_pairs): New. Number of pairs in hash table.
1347 (struct partition_pair_iterator): Iterator struct for pair table.
1348 (first_partition_pair): Iterator function for first pair.
1349 (end_partition_pair_p): Iterator function for end of iteration.
1350 (next_partition_pair): Iterator function for next pair.
1351 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1352 (sort_coalesce_list): Sort pairs from hash table into an array.
1353 (pop_best_coalesce): Take pairs from the array.
1354 (dump_coalesce_list): Update to use hash table or sorted array.
1355 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1356 (struct coalesce_list_d): Add hash table related fields.
1358 2006-11-30 Jan Hubicka <jh@suse.cz>
1361 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1362 memmove/bcopy->memcpy conversion.
1364 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1366 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1367 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1368 Default is the largest alignment supported for 32-bit ELF and
1369 representable on a 32-bit host.
1371 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1373 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1375 2006-11-30 Jan Hubicka <jh@suse.cz>
1377 * tree-ssa-operands.h (struct ssa_operands): New.
1378 * tree-flow-inline.h (gimple_ssa_operands): New function.
1379 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1380 * Makefile.in: Remove gt-tree-ssa-operands.h
1381 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1382 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1383 operand_memory, operand_memory_index, ops_active): Remove statics.
1384 (ALLOC_OPTYPE): Update.
1385 (operand_build_sort_virtual): Update.
1386 (ssa_operands_active): Update.
1387 (init_ssa_operands): Update.
1388 (fini_ssa_operands): Update.
1389 (ssa_operand_alloc): Update.
1390 (INITIALIZE_USE): Update.
1391 (finalize_ssa_use_ops): Update.
1392 (finalize_ssa_v_may_def_ops): Update.
1393 (finalize_ssa_vuse_ops): Update.
1394 (finalize_ssa_v_must_def_ops): Update.
1396 2006-11-30 Richard Guenther <rguenther@suse.de>
1398 * tree-vectorizer.h (vectorizable_function): Export.
1399 * tree-vect-transform.c (vectorizable_function): Likewise.
1400 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1401 type_in to scalar type in recognition of squaring.
1402 Make sure the target can vectorize sqrt in recognition
1403 of sqrt, set type_in to vector type in this case.
1405 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1407 * config/i386/i386.md (R10_REG): New constant.
1408 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1409 (ix86_emit_restore_regs_using_mov): Ditto.
1410 (ix86_expand_call): Ditto.
1411 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1413 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1415 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1416 * alias.c (canon_true_dependence): Update comment.
1418 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1420 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1421 at the end of a diagnostics message.
1423 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1424 until after asserting that it was allocated in the right pool.
1426 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1427 successor edge information as well. Make output of live regs
1428 on exit consistent with live regs on entry.
1430 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1433 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1434 insn patterns for TARGET_80387.
1435 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1436 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1437 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1438 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1439 Generate truncxf<mode>2 insn patterns for strict SSE math.
1441 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1443 * config/i386/i386.md (movsf_1): Enable pattern for standard
1444 80387 constants before reload when optimizing for size.
1445 (*movdf_nointeger, *movdf_integer): Ditto.
1446 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1447 80387 constants before reload when not optimizing for size.
1449 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1450 extension of XFmode input operands.
1452 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1454 * config/spu/crt0.c (__dso_handle): Define.
1456 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1458 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1459 when clearing the used flags.
1461 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1463 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1465 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1468 * config/spu/spu.md (extend_compare<mode>): New pattern.
1469 (extend_compare): Change to expand and use the above pattern.
1471 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1473 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1475 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1476 (DFP_INIT_ROUNDMODE): Define.
1477 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1478 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1480 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1482 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1483 Update documentation.
1484 (associate_line_notes_with_blocks): Kill.
1485 (extend_bb): Remove basic block argument, put void instead.
1486 Remove line number handling for each bb.
1487 (save_line_notes): Kill.
1488 (restore_line_notes): Kill.
1489 (sched_init): Remove line_note_head initialization.
1490 Change extend_bb call.
1491 (sched_finish): Remove free of line_note_head.
1492 (add_block): Change extend_bb call.
1493 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1494 rm_line_notes and restore_line_notes calls.
1495 (schedule_ebbs): Remove rm_redundant_line_notes.
1496 * sched-int.h (struct haifa_insn_data): Remove line_note.
1497 (save_line_notes): Remove declaration.
1498 (restore_line_notes): Remove declaration.
1499 * modulo-sched.c (loop_canon_p): Update debug info printing
1500 by using insn locators instead of line note.
1501 (sms_schedule): Update debug info printing, by using insn
1502 locators instead of line note.
1503 * sched-rgn.c (debug_dependencies): Remove handling of case
1504 n>0 (line number), since it's a dead code.
1505 (schedule_region): Remove save_line_notes and
1506 restore_line_notes calls.
1508 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1510 * config/rs6000/predicates.md (gpc_reg_operand): Check
1511 invalid_e500_subreg.
1512 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1513 SImode subregs of SPE vectors.
1514 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1515 * jump.c (true_regnum): Require subregs to satisfy
1516 subreg_offset_representable_p.
1518 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1519 Steven Bosscher <stevenb.gcc@gmail.com>
1521 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1522 since it no longer exists.
1524 2006-11-29 Duncan Sands <baldrick@free.fr>
1526 PR tree-optimization/23744
1527 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1529 2006-11-29 Duncan Sands <baldrick@free.fr>
1531 PR tree-optimization/23744
1532 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1534 2006-11-29 Duncan Sands <baldrick@free.fr>
1536 PR tree-optimization/23744
1537 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1539 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1541 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1543 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1545 * sh.opt (minline-ic_invalidate): New option.
1546 (musermode): Adjust comment.
1547 * sh.c (sh_initialize_trampoline): Emit library call unless
1548 is set; if it is set, don't emit library call if we can use icbi
1550 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1551 icbi for TARGET_SH4_300.
1552 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1553 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1554 -musermode documentation.
1556 2006-11-29 Jim Tison <jtison@us.ibm.com>
1558 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1559 __gthread_recursive_mutex_init): Define.
1561 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1563 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1564 STRICT_ALIGNMENT and the type is more aligned than the saved
1565 registers, copy via a temporary.
1567 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1570 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1573 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1575 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1577 2006-11-28 Jan Hubicka <jh@suse.cz>
1579 Privatize SSA variables into gimple_df.
1580 * tree-flow-inline.h
1581 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1582 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1583 gimple_nonlocal_all): New accessors.
1584 (first_referenced_var): Update.
1585 (mark_stmt_modified): Update.
1586 (is_call_clobbered): Update.
1587 (mark_call_clobbered): Update.
1588 (clear_call_clobbered): Update.
1589 (mark_non_addressable): Update.
1590 * tree-vrp.c (get_value_range): Update.
1591 * tree-into-ssa.c (in_ssa_p): Kill.
1592 (get_default_def_for): Update.
1593 (rewrite_into_ssa): Update.
1594 * tree-complex.c (init_parameter_lattice_values): Update.
1595 (update_complex_assignment): Update.
1596 (update_parameter_components): Update.
1597 (expand_complex_libcall): Update.
1598 (expand_complex_operations_1): Update.
1599 * tree-tailcall.c (arg_needs_copy_p): Update.
1600 (add_virtual_phis): Update.
1601 (tree_optimize_tail_calls_1): Update.
1602 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1603 * tree-ssa-copyrename.c
1604 (copy_rename_partition_coalesce): Update.
1605 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1606 * tree-ssa-propagate.c (set_rhs): Update.
1607 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1608 addressable_vars, global_var):Kill.
1609 (set_initial_properties): Update.
1610 (init_alias_info): Update.
1611 (finalize_ref_all_pointers): Update.
1612 (setup_pointers_and_addressables): Update.
1613 (maybe_create_global_var): Update.
1614 (create_global_var): Update.
1615 (dump_points_to_info): Update.
1616 * function.h (struct gimple_df): Forward declare.
1617 (struct function): Add GIMPLE_DF field.
1618 * gimplify.c (force_gimple_operand): Update.
1619 * tree-dfa.c (referenced_vars, default_defs): KIll.
1620 (make_rename_temp): Update.
1621 (dump_variable): Update.
1622 (referenced_var_lookup): Update.
1623 (referenced_var_check_and_insert): Update.
1624 (default_def): Rename to ...
1625 (gimple_default_def): ... this one; accept cfun argument.
1626 (set_default_def): Update.
1627 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1628 (cleanup_control_flow): Update.
1629 * tree-ssa-pre.c (compute_avail): Update
1630 * tree-ssa-live.c (calculate_live_on_entry): Update.
1631 * tree-ssa.c (verify_use): Update.
1632 (verify_call_clobbering): Update.
1633 (verify_call_clobbering): Update.
1634 (init_tree_ssa): Update.
1635 (delete_tree_ssa): Update.
1636 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1637 (rewrite_out_of_ssa): Update.
1638 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1639 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1641 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1642 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1643 addressable_vars, aliases_computed_p): Kill.
1644 (default_def): Rename to...
1645 (gimple_default_def): ... this one.
1646 (defaule_def_fn): Kill.
1647 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1648 * tree-ssa-structalias.c (nonlocal_all): Kill.
1649 (get_constraint_exp_from_ssa_var): Update.
1650 (create_nonlocal_var): Update.
1651 (get_constraint_for): Update.
1652 (update_alias_info): Update.
1653 (find_global_initializers): Update.
1654 (intra_create_variable_infos): Update.
1655 (intra_create_variable_infos):
1656 (find_what_p_points_to): Update.
1657 (init_alias_heapvars): Update.
1658 * tree-cfg.c (remove_bb): Update.
1659 (gimplify_val): Update.
1660 * tree-ssa-reassoc.c (get_rank): Update.
1661 (init_reassoc): Update.
1662 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1663 (ssa_names, free_ssanames): Kill.
1664 (init_ssanames): Update.
1665 (make_ssa_name): Update.
1666 (release_ssa_name): Update.
1667 (release_defs): Update.
1668 (replace_ssa_name_symbol): Update.
1669 * tree-ssa-operands.c (access_can_touch_variable): Update.
1670 (add_virtual_operand): Update.
1671 (add_call_clobber_ops): Update.
1672 (add_call_read_ops): Update.
1673 (get_call_expr_operands): Update.
1674 (get_asm_expr_operands): Update.
1676 2006-11-28 Jan Hubicka <jh@suse.cz>
1678 * builtins.c: Include tree-flow.h.
1679 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1680 assignment; convert memmove to memcpy for sizes greater than 1 where
1681 alignment of operands prohibit the partial overlap.
1683 2006-11-28 Jan Hubicka <jh@suse.cz>
1685 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1686 * cgraph.c (dump_cgraph_node): Dump stack usage.
1687 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1688 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1689 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1690 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1691 (cgraph_check_inline_limits): Limit stack growth.
1692 * cfgexpand.c: Include tree-inline.h.
1693 (account_stack_vars): New function.
1694 (expand_one_var): New param to just account the stack; return estimated
1696 (expand_used_vars_for_block): Update call of expand_one_var.
1697 (account_used_vars_for_block): New function.
1698 (estimated_stack_frame_size): Likewise.
1699 (init_vars_expansion, fini_vars_expansion): Break out from..
1700 (expand_used_vars): ... here.
1701 * tree-inline.h (estimated_stack_frame_size): Declare.
1702 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1704 2006-11-28 Richard Guenther <rguenther@suse.de>
1706 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1707 unsigned long for printing OBJECT_SIZE.
1709 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1711 * alias.c (init_alias_analysis): Remove simplification loop
1712 after propagating pointers.
1714 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1716 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1719 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1721 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1723 2006-11-27 Roger Sayle <roger@eyesopen.com>
1724 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1726 * c-common.c (constant_fits_type_p): Delete.
1727 (unsigned_conversion_warning): Delete.
1728 (conversion_warning): Integrate Wconversion warning from
1729 unsigned_conversion_warning.
1730 (convert_and_check): Integrate Woverflow warning from
1731 unsigned_conversion_warning. Reorganize and simplify to avoid
1732 dependence upon the middle-end setting TREE_OVERFLOW on integral
1733 conversions, by using int_fits_type_p directly.
1735 2006-11-27 Tobias Burnus <burnus@net-b.de>
1737 * doc/invoke.texi: Fixed typo.
1739 2006-11-27 Michael Matz <matz@suse.de>
1740 Andreas Krebbel <krebbel1@de.ibm.com>
1743 * config/s390/predicates.md (larl_operand): Check addend of larl
1744 operand to be in range of -/+2GB.
1745 * config/s390/s390.c (legitimize_pic_address): Likewise.
1746 Changed type of variable even to HOST_WIDE_INT.
1748 2006-11-27 Jan Hubicka <jh@suse.cz>
1750 * expr.c (emit_block_move_via_libcall): Export.
1751 (clear_storage_via_libcall): Rename to ...
1752 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1753 (clear_storage): Update to set_storage_via_libcall.
1754 * expr.h (emit_block_move_via_libcall): Declare
1755 * config/i386/i386.h (stringop_alg): New enum.
1756 (MAX_STRINGOP_ALGS): New constant.
1757 (stringop_algs): New struct.
1758 (processor_costs): Add memcpy/memset descriptors.
1759 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1760 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1761 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1763 * config/i386/i386.opt (minline-stringops-dynamically,
1764 mstringop-strategy): New
1766 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1767 (ix86_expand-clrmem): Rename to ...
1768 (ix86_expand_setmem): ... this one; update prototype.
1769 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1770 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1771 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1772 nocona_cost, core2_cost, generic_cost, generic64_cost,
1773 generic32_cost): Add memcpy/memset descriptors.
1774 (x86_rep_movl_optimal): Remove.
1775 (stringop_alg): New static variable.
1776 (ix86_expand_aligntest): Handle predictions.
1777 (override_options): Add strgop_alg handling.
1778 (predict_jump): New function.
1779 (scale_counter): New function.
1780 (expand_set_or_movmem_via_loop): New function.
1781 (expand_movmem_via_rep_mov): New function.
1782 (expand_setmem_via_rep_stots): New function.
1783 (emit_strmov): New function.
1784 (expand_movmem_epilogue): New function.
1785 (expand_setmem_epilogue_via_loop): New function.
1786 (expand_setmem_epilogue): New function.
1787 (expand_movmem_prologue): New function.
1788 (expand_setmem_prologue): New function.
1789 (decide_alg): New function.
1790 (decide_alignment): New function.
1791 (ix86_exand_movmem): Rewrite.
1792 (promote_duplicated_reg): New function.
1793 (ix86_expand_clrmem): Rename to ...
1794 (ix86_expand_setmem): ... this one. Rewrite.
1796 * invoke.texi (minline-stringops-dynamically): New command line option.
1797 (mstringop-strategy): Likewise.
1799 2006-11-27 Jan Hubicka <jh@suse.cz>
1801 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1802 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1803 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1804 * insn-notes.def (FUNCTION_END): Remove.
1805 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1806 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1808 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1809 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1810 * cfglayout.c (duplicate_insn_chain): Don't worry about
1813 2006-11-27 Richard Guenther <rguenther@suse.de>
1814 Zdenek Dvorak <dvorakz@suse.cz>
1816 * target.h (struct gcc_target): Add builtin_vectorized_function
1818 * target-def.h (TARGET_VECTORIZE): Likewise.
1819 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1820 Document new target hook.
1821 * targhooks.h (default_builtin_vectorized_function): Declare.
1822 * targhooks.c (default_builtin_vectorized_function): Define.
1823 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1824 (vectorizable_call): Declare.
1825 * tree-vect-analyze.c (vect_analyze_operations): Call
1827 * tree-vect-transform.c (vectorizable_function): New static function.
1828 (build_vectorized_function_call): Likewise.
1829 (vectorizable_call): New function.
1830 (vect_transform_stmt): Handle vectorizable calls.
1832 2006-11-27 Richard Guenther <rguenther@suse.de>
1835 * builtins.c (expand_builtin_pow): Optimize non integer valued
1836 constant exponents using sqrt or cbrt if possible. Always fall back
1837 to expanding via optabs.
1839 2006-11-27 Ira Rosen <irar@il.ibm.com>
1841 PR tree-optimization/22372
1842 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1843 the type of the base address.
1844 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1845 it in the data-ref pointer creation.
1846 (vect_init_vector): Add an argument, type of the init vector. Use it in
1848 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1849 (get_initial_def_for_reduction): Likewise.
1850 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1852 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1853 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1854 correct type in stmt creation.
1855 (vect_setup_realignment): Use the correct type in stmt creation.
1856 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1858 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1859 of MODIFY_EXPR to void_type_node.
1860 (vectorizable_condition): Change type of MODIFY_EXPR to
1862 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1865 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1868 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1869 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1870 standard 80387 constants, raise the cost to prevent
1871 compress_float_constant() to generate load from memory.
1873 * config/i386/i386.md: Add new splitter pattern to split
1874 float_extended load of constant from constant pool into
1877 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1879 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1880 section to general section. Remove documentation for
1881 --with-mpfr-dir and --with-gmp-dir, add documentation for
1882 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1885 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1887 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1889 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1891 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1893 PR tree-optimization/29122
1894 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1895 for the new version. Assign NULL to DECL_RTL of the new version.
1897 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1899 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1901 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1903 * cse.c (cse_altered): Remove.
1904 (record_jump_equiv): Make true/false argument a bool instead
1906 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1907 where appropriate. Emit a new jump before the existing one
1908 instead of after so that delete_insn_and_edges removes the
1909 dead edges properly. Check any_condjump_p before calling
1911 (cse_basic_block): Check any_condjump_p before calling
1913 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1915 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1917 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1918 -ffixed-line-length-* options.
1920 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1922 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1923 (fprem1xf4): Rename to fprem1xf4_i387.
1925 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1926 Rename patterns to fmod<mode>3. Use general_operand operand
1927 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1928 patterns for SSE math.
1929 (remaindersf3, remainderdf3): Ditto.
1931 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1933 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1934 inside start_sequence / end_sequence pair.
1936 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1938 * jump.c (mark_all_labels): Work in cfglayout mode.
1939 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1940 when in cfglayout mode, because there are no dead jumptables
1942 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1944 (commit_edge_insertions): Do not allow insertion of instructions
1945 with control flow insns when in cfglayout mode.
1947 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1949 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1951 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1952 unswitch_loop): Ditto.
1953 * tree-loop-linear.c (linear_transform_loops): Ditto.
1954 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1955 tree_ssa_lim): Ditto.
1956 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1957 free_numbers_of_iterations_estimates): Ditto.
1958 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1959 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1960 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1961 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1962 place_new_loop, duplicate_loop, duplicate_subloops,
1963 update_single_exit_for_duplicated_loops, copy_loops_to,
1964 duplicate_loop_to_header_edge, create_preheaders,
1965 force_single_succ_latches, loop_version, fix_loop_structure):
1967 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1968 tree_unroll_loop): Ditto.
1969 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1970 * tree-scalar-evolution.c (select_loops_exit_conditions,
1971 scev_initialize, scev_analysis): Ditto.
1972 * tree-scalar-evolution.h (scev_initialize): Ditto.
1973 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1974 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1975 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1976 * modulo-sched.c (sms_schedule): Ditto.
1977 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1978 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1979 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1980 * ifcvt.c (if_convert): Ditto.
1981 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1982 canonicalize_loop_induction_variables,
1983 canonicalize_induction_variables,
1984 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1985 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1986 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1987 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1988 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1989 tree_ssa_loop_done): Ditto.
1990 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1991 estimate_bb_frequencies): Ditto.
1992 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1993 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1994 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1995 decide_unrolling_and_peeling, peel_loop_completely,
1996 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1997 peel_loop_simple, unroll_loop_stupid): Ditto.
1998 * loop-doloop.c (doloop_optimize_loops): Ditto.
1999 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2000 * loop-invariant.c (move_loop_invariants): Ditto.
2001 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2002 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2003 tree_ssa_prefetch_arrays): Ditto.
2004 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2006 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2007 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2008 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2009 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2010 verify_loop_structure): Ditto.
2011 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2012 canonicalize_induction_variables, tree_unroll_loops_completely,
2013 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2014 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2015 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2016 tree_unroll_loop, linear_transform_loops): Declaration changed.
2017 * basic-block.h: Remove declaration of struct loops.
2018 * cfghooks.h (struct cfg_hooks): Change type of
2019 cfg_hook_duplicate_loop_to_header_edge.
2020 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2021 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2022 vect_transform_loop): Declaration changed.
2023 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2024 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2025 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2026 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2027 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2028 loopify, loop_version, remove_path, unswitch_loops,
2029 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2030 Declaration changed.
2032 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2034 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2035 (X87MODEF): New mode macro.
2036 (ssemodefsuffix): New mode attribute.
2037 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2038 (sqrt_extend<mode>xf2_i387): New insn pattern.
2039 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2040 insn and truncate result back to original mode using
2041 UNSPEC_TRUNC_NOOP truncation.
2042 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2043 ssemodefsuffix mode attribute.
2044 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2045 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2046 (*sqrtextenddfxf2_i387): Remove insn patterns.
2048 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2049 truncation patterns.
2051 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2053 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2056 * c-tree.h (c_maybe_initialize_eh): New prototype.
2057 * c-decl.c (finish_decl): Move EH initialization...
2058 (c_maybe_initialize_eh): ... here. New function.
2059 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2060 if not #pragma omp atomic.
2063 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2064 or UNION_TYPE inner types.
2066 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2069 * ipa-pure-const.c (check_tree): If the original tree
2070 is volatile return early and say the function is not pure
2071 nor const. Remove the volatile check for writes.
2072 (analyze_function): Print out the result of the local
2075 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2077 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2079 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2080 * config/rs6000/rs6000.c (rs6000_override_options): Use
2081 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2084 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2086 * config/s390.c (s390_emit_compare_and_swap): New function.
2087 (s390_expand_cs_hqi, s390_expand_atomic): Call
2088 s390_emit_compare_and_swap.
2090 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2092 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2094 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2098 * c-common.c (conversion_warning): New.
2099 (convert_and_check): Call conversion_warning unless there is an
2101 * doc/invoke.texi (-Wconversion): Update description.
2103 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2105 * tree-ssa-alias.c (tree_pointer_compare): New function.
2106 (compact_name_tags): New function.
2107 (group_aliases): Call compact_name_tags.
2109 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2111 * real.h (real_isinteger): Declare.
2112 * real.c (real_isinteger): Define.
2113 * builtins.c (integer_valued_real_p): Use it.
2115 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2118 * c.opt (Wtraditional-conversion): New.
2119 (Wconversion): Update description.
2120 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2121 type conversions different from what would happen in the absence
2122 of prototype are now handled by Wtraditional-conversion.
2123 * doc/invoke.texi (Wtraditional-conversion): New.
2124 (Wconversion): Update description.
2125 * doc/trouble.texi (Wconversion): Replace Wconversion by
2126 Wtraditional-conversion.
2128 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2130 * predict.c (tree_estimate_probability): Check to make
2131 sure current_loops is non null before calling flow_loops_dump.
2133 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2135 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2137 2006-11-23 David Ung <davidu@mips.com>
2139 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2141 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2142 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2143 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2144 high part of FP register when in 64-bit FP register mode. Similarly
2145 use gen_mfhc1 to load high part of FP register.
2146 (override_options): Allow -mgp32 and -mfp64 combination if
2147 ISA_HAS_MXHC1 (currently for O32 only).
2148 (mips_cannot_change_mode_class): If floating-point registers are
2149 bigger than word size. disallow conversion of float register from a
2150 large integer mode to a float mode smaller than the float register
2152 (mips_class_max_nregs): Handle float registers case seperately.
2153 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2155 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2156 (movdf_hardfloat_32bit): Similarly.
2157 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2158 support a full 64-bit fpu.
2159 (mthc1): New pattern to generate MTHC1 instruction.
2160 (mfhc1): New pattern to generate MFHC1 instruction.
2161 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2162 option for the MIPS32R2 and mention its use under O32 ABI.
2164 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2166 * var-tracking.c (emit_note_insn_var_location): Take care not to
2167 cause verify_flow_info failures.
2169 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2171 * tree-ssa-structalias.c: Remove edge weights in favor of just
2172 processing them as complex constraints.
2173 (struct constraint_graph): Remove weighted succs and preds. Rename
2174 nonweighted succs and preds.
2175 (constraint_edge): Removed.
2176 (constraint_edge_t): Ditto.
2177 (constraint_edge_pool): Ditto.
2178 (new_constraint_edge): Ditto.
2179 (constraint_edge_equal): Ditto.
2180 (constraint_edge_less): Ditto.
2181 (constraint_edge_vec_find): Ditto.
2182 (erase_self_graph_edge): Ditto.
2183 (add_graph_edge): Removed.
2184 (get_graph_weights): Ditto.
2185 (allocate_graph_weights): Ditto.
2186 (valid_weighted_graph_edge): Ditto
2187 (bitmap_other_than_zero_bit_set): Ditto.
2188 (int_add_graph_edge): Renamed to add_graph_edge.
2189 (clear_edges_for_node): Remove support for weighted edges.
2190 (merge_graph_nodes): Ditto.
2191 (valid_graph_edge): Ditto.
2192 (build_constraint_graph): Ditto.
2194 (collapse_nodes): Ditto.
2195 (process_unification_queue): Ditto.
2196 (topo_visit): Ditto.
2197 (do_ds_constraint): Ditto.
2198 (perform_var_subsitution): Ditto.
2199 (solve_graph): Ditto.
2200 (init_alias_vars): Ditto.
2201 (delete_points_to_sets): Ditto.
2202 (do_complex_constraint): Support offsetted copies here.
2204 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2206 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2208 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2210 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2213 2006-11-23 Ben Elliston <bje@au.ibm.com>
2215 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2217 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2219 PR tree-optimization/29921
2220 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2221 signed and unsigned zero equal.
2223 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2225 * config/rs6000/rs6000.c (get_store_dest): New.
2226 (adjacent_mem_locations): Use get_store_dest() to get
2227 the rtl of the store destination.
2229 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2231 * config/rs6000/spe.md (SPE64): New mode macro.
2232 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2234 (mov_si<mode>_e500_subreg0_2): New.
2235 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2237 (mov_si<mode>_e500_subreg4_2): New.
2238 * config/rs6000/predicates.md (input_operand): Do not allow
2239 invalid E500 subregs.
2240 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2242 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2243 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2244 involving vector modes if TARGET_SPE.
2246 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2249 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2250 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2252 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2254 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2255 mem_i_address_operand): New predicates.
2256 * config/bfin/bfin.c (bfin_issue_rate): New function.
2257 (TARGET_SCHED_ISSUE_RATE): New macro.
2258 * config/bfin/bfin.md (addrtype): New attribute.
2259 (slot0, slot1, slot2, store, pregs): New cpu_units.
2260 (core): Now a define_reservation.
2261 (alu): Remove some insn types from this reservation.
2262 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2264 (dummy reservation): Don't trigger for mcld insns.
2265 (absence_sets): Two new absence sets to enforce slot ordering.
2266 (popsi_insn): Set addrtype.
2268 2006-11-22 Ira Rosen <irar@il.ibm.com>
2270 * doc/c-tree.texi: Document new tree codes.
2271 * doc/md.texi: Document new optabs.
2272 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2274 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2275 * optabs.h (optab_index): Add new.
2276 (vec_extract_even_optab, vec_extract_odd_optab,
2277 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2278 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2279 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2281 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2282 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2283 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2284 along with macros for their access.
2285 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2287 * tree-vect-analyze.c (toplev.h): Include.
2288 (vect_determine_vectorization_factor): Fix indentation.
2289 (vect_insert_into_interleaving_chain,
2290 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2291 (vect_analyze_data_ref_dependence): Add argument for interleaving
2292 check. Check for interleaving if it's true.
2293 (vect_check_dependences): New function.
2294 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2295 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2296 (vect_update_misalignment_for_peel): Update for interleaving.
2297 (vect_verify_datarefs_alignment): Check only first data-ref for
2299 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2300 only first data-ref for interleaving.
2301 (vect_analyze_data_ref_access): Check interleaving, update
2303 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2304 with different parameters.
2305 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2306 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2307 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2308 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2309 Update step in case of interleaving.
2310 (vect_strided_store_supported, vect_permute_store_chain): New
2312 (vectorizable_store): Handle strided stores.
2313 (vect_strided_load_supported, vect_permute_load_chain,
2314 vect_transform_strided_load): New functions.
2315 (vectorizable_load): Handle strided loads.
2316 (vect_transform_stmt): Add argument. Handle strided stores. Check
2317 that vectorized stmt exists for patterns.
2318 (vect_gen_niters_for_prolog_loop): Update calculation for
2320 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2321 whole chain vectorization.
2322 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2323 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2324 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2325 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2326 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2328 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2330 * cse.c (enum taken): Remove PATH_AROUND.
2331 (addr_affects_sp_p, invalidate_skipped_set,
2332 invalidate_skipped_block): Remove.
2333 (cse_end_of_basic_block): Remove skip_blocks and related code.
2334 (cse_main): Don't test for flag_cse_skip_blocks.
2335 Update cse_end_of_basic_block call.
2336 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2337 code to lengthen the path if a jump was simplified.
2339 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2341 PR rtl-optimization/29924
2342 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2343 (unroll_loop_runtime_iterations): Assert that the argument passed to
2344 split_edge_and_insert is not NULL.
2345 * loop-doloop.c (add_test): Ditto.
2347 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2349 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2351 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2352 * cfgloopmanip.c (update_single_exits_after_duplication,
2353 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2354 * tree-scalar-evolution.c (get_loop_exit_condition,
2355 get_exit_conditions_rec, loop_closed_phi_def,
2356 number_of_iterations_in_loop, scev_const_prop): Ditto.
2357 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2358 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2360 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2362 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2363 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2364 slpeel_make_loop_iterate_ntimes,
2365 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2366 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2368 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2369 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2370 vect_analyze_loop_form): Ditto.
2371 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2372 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2373 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2374 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2375 vect_transform_loop): Ditto.
2376 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2377 (single_exit, set_single_exit): New functions.
2378 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2379 (single_exit, set_single_exit): Declare.
2380 * doc/loop.texi: Undocument single_exit field. Document single_exit
2383 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2385 PR tree-optimization/29902
2386 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2387 any involved ssa name appears in abnormal phi node.
2389 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2391 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2392 (xtensa_const_ok_for_letter_p): Delete.
2393 (xtensa_extra_constraint): Delete.
2394 (override_options): Delete xtensa_char_to_class initialization.
2395 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2396 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2397 (EXTRA_CONSTRAINT): Delete.
2398 * config/xtensa/xtensa.md: Include constraints.md.
2399 (call_internal): Combine alternatives.
2400 (call_value_internal): Likewise, and remove invalid constraints.
2401 * config/xtensa/constraints.md: New file.
2402 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2403 (xtensa_extra_constraint): Delete.
2404 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2407 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2409 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2410 of conversion that doesn't fit.
2412 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2413 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2414 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2416 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2418 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2420 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2422 2006-11-21 Richard Guenther <rguenther@suse.de>
2424 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2425 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2426 vect_recog_pow_pattern.
2427 (vect_recog_pow_pattern): New function.
2429 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2431 * config/bfin/bfin.opt (mstack-check-l1): New.
2432 * doc/invoke.texi (Blackfin Options): Document it.
2433 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2434 stack bounds in L1 memory if the new option is enabled.
2435 (override_options): Don't allow combinations of -fstack-limit and
2437 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2440 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2442 (bfin_register_move_cost): Bump costs if trying to move plain
2443 integer values through accumulators.
2445 2006-11-21 Ben Elliston <bje@au.ibm.com>
2447 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2449 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2450 Russell Olsen <Russell_Olsen@playstation.sony.com>
2451 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2452 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2453 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2454 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2455 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2457 * config.gcc: Add target for SPU.
2458 * config/spu/constraints.md: New file.
2459 * config/spu/crt0.c: New file.
2460 * config/spu/crtend.c: New file.
2461 * config/spu/crti.asm: New file.
2462 * config/spu/crtn.asm: New file.
2463 * config/spu/float_unsdidf.c: New file.
2464 * config/spu/float_unssidf.c: New file.
2465 * config/spu/predicates.md: New file.
2466 * config/spu/spu-builtins.def: New file.
2467 * config/spu/spu-builtins.h: New file.
2468 * config/spu/spu-builtins.md: New file.
2469 * config/spu/spu-c.c: New file.
2470 * config/spu/spu-elf.h: New file.
2471 * config/spu/spu-modes.def: New file.
2472 * config/spu/spu-protos.h: New file.
2473 * config/spu/spu.c: New file.
2474 * config/spu/spu.h: New file.
2475 * config/spu/spu.md: New file.
2476 * config/spu/spu.opt: New file.
2477 * config/spu/spu_internals.h: New file.
2478 * config/spu/spu_intrinsics.h: New file.
2479 * config/spu/spu_mfcio.h: New file.
2480 * config/spu/t-spu-elf: New file.
2481 * config/spu/vec_types.h: New file.
2482 * config/spu/vmx2spu.h: New file.
2483 * doc/contrib.texi: Document SPU contributor.
2484 * doc/extend.texi: Document SPU extensions.
2485 * doc/invoke.texi: Document SPU options.
2486 * doc/md.texi: Document SPU constraints.
2488 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2490 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2492 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2494 (flow_loop_dump): Do not dump loop level.
2495 (flow_loops_find): Do not call flow_loops_level_compute.
2496 * cfgloop.h (struct loop): Remove level field.
2498 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2500 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2501 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2502 Use vector of edges instead of array.
2503 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2504 estimate_numbers_of_iterations_loop): Ditto.
2505 * predict.c (predict_loops): Ditto.
2506 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2507 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2509 * basic-block.h: Declare heap allocation for edge vectors.
2510 * tree-outof-ssa.c: Ditto.
2511 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2512 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2514 2006-11-20 Zack Weinberg <zackw@panix.com>
2516 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2517 Add another out parameter, "skip".
2518 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2519 is tagged "skip", do not mark its type used.
2521 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2524 * tree-sra.c (single_scalar_field_in_record_p): New function.
2525 (decide_block_copy): Use it.
2527 2006-11-20 David Daney <ddaney@avtrex.com>
2529 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2530 PC to point to following instruction.
2532 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2536 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2538 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2540 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2542 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2543 Add sh/superh.h to tm_file.
2545 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2546 Mark Mitchell <mark@codesourcery.com>
2548 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2550 (cpp_relocated): New function.
2551 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2553 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2554 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2555 replace configured prefix with gcc_exec_prefix.
2557 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2559 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2560 bfin_legitimate_constant_p.
2561 * config/bfin/bfin.md (movsi expander): Check return value of
2563 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2564 (expand_move): Adjust prototype.
2565 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2566 invalid constants specially.
2567 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2569 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2571 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2572 sibcall_value_symbol): Allow these patterns if
2573 TARGET_LEAF_ID_SHARED_LIBRARY.
2574 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2575 (override_options): Turn on id shared library flags if -msep-data,
2576 but disallow the combination of these options on the command line.
2577 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2578 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2579 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2580 -mid-shared-library.
2581 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2582 * doc/invoke.texi (Blackfin Options): Document new switches.
2584 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2585 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2587 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2588 inflate costs for addresses with an out-of-bounds address.
2590 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2593 * fwprop.c (loops): Remove.
2594 (forward_propagate_into): Use current_loops instead of
2596 (fwprop_init): Call loop_optimizer_init instead of
2598 (fwprop_done): Call loop_optimizer_finalize instead of
2600 (fwprop): Use current_loops instead of loops.
2602 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2605 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2607 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2610 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2611 larger than BITS_PER_WORD.
2613 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2617 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2618 to MAX_FIXED_MODE_SIZE.
2620 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2622 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2623 (fold_builtin_fmin_fmax): New.
2624 (fold_builtin_1): Use it.
2626 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2628 2006-11-18 Richard Guenther <rguenther@suse.de>
2630 * config/i386/i386.c (ix86_builtins): New array for ix86
2631 builtin function decls.
2632 (def_builtin): New function.
2633 (def_builtin_const): Likewise.
2634 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2636 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2638 * doc/invoke.texi (core2): Add item.
2640 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2642 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2643 (TARGET_CPU_DEFAULT_generic): Change value.
2644 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2645 (processor_type): Add new constant PROCESSOR_CORE2.
2647 * config/i386/i386.md (cpu): Add core2.
2649 * config/i386/i386.c (core2_cost): New initialized variable.
2650 (m_CORE2): New macro.
2651 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2652 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2653 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2654 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2655 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2656 x86_accumulate_outgoing_args, x86_prologue_using_move,
2657 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2658 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2659 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2660 x86_pad_returns): Add m_CORE2.
2661 (override_options): Add entries for Core2.
2662 (ix86_issue_rate): Add case for Core2.
2664 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2666 * doc/invoke.texi: Fix mno-isel typo.
2668 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2670 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2671 easy vector constant loads.
2673 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2675 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2676 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2677 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2678 * config/rs6000/sync.md (lwsync): Emit plain sync if
2681 2006-11-17 DJ Delorie <dj@redhat.com>
2683 * reload1.c (reloads_unique_chain): New.
2684 (reloads_conflict): Call it.
2686 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2688 * config/xtensa/predicates.md (addsubx_operand): New.
2689 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2690 (xtensa_emit_bit_branch): New.
2691 (xtensa_emit_movcc): New.
2692 * config/xtensa/xtensa.md (any_minmax): New code macro.
2693 (minmax): New code attribute.
2694 (any_cond, any_scc, any_scc_sf): New code macros.
2695 (*addx2, *addx4, *addx8): Delete.
2697 (*subx2, *subx4, *subx8): Delete.
2699 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2700 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2701 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2702 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2703 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2704 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2705 (movsfcc_internal0, movsfcc_internal1): Likewise.
2706 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2707 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2708 (xtensa_emit_bit_branch): New.
2709 (xtensa_emit_movcc): New.
2710 (function_arg_boundary): Add missing prototype.
2712 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2714 * config/xtensa/xtensa.md (tstsi): Delete
2716 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2718 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2720 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2722 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2724 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2726 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2728 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2730 * tree-vrp.c (execute_vrp): Do not update current_loops.
2731 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2732 * doc/loop.texi: Remove documentation for cancelled functions.
2733 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2734 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2736 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2737 (remove_path): Ensure that in delete_basic_blocks, the loops
2738 are still allocated.
2739 (add_loop): Work on valid loop structures.
2740 (loopify): Modify call of add_loop.
2741 (mfb_update_loops): Removed.
2742 (create_preheader): Do not update loops explicitly.
2743 (force_single_succ_latches, loop_version): Do not use
2744 loop_split_edge_with.
2745 (loop_split_edge_with): Removed.
2746 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2747 Do not use bsi_insert_on_edge_immediate_loop.
2748 (split_loop_exit_edge, tree_unroll_loop): Do not use
2749 loop_split_edge_with.
2750 (bsi_insert_on_edge_immediate_loop): Removed.
2751 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2752 use loop_split_edge_with.
2753 * cfghooks.c: Include cfgloop.h.
2754 (verify_flow_info): Verify that loop_father is filled iff current_loops
2756 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2757 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2759 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2761 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2762 loop_split_edge_with.
2763 (sms_schedule): Use current_loops.
2764 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2765 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2767 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2768 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2769 * ifcvt.c (if_convert): Ditto.
2770 * predict.c (predict_loops): Do not clear current_loops.
2771 (tree_estimate_probability): Use current_loops.
2772 (propagate_freq): Receive head of the region to propagate instead of
2774 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2775 (estimate_loops): New function. Handle case current_loops == NULL.
2776 (estimate_bb_frequencies): Do not allocate tovisit. Use
2778 * tree-ssa-loop.c (current_loops): Removed.
2779 (tree_loop_optimizer_init): Do not return loops.
2780 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2781 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2782 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2783 Do not update loops explicitly.
2784 * function.h (struct function): Add x_current_loops field.
2785 (current_loops): New macro.
2786 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2787 * loop-unroll.c (split_edge_and_insert): New function.
2788 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2789 use loop_split_edge_with.
2790 * loop-doloop.c (add_test, doloop_modify): Ditto.
2791 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2792 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2793 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2794 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2796 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2797 (flow_loops_free): Do not free dfs_order and rc_order.
2798 (flow_loops_find): Do not set dfs_order and rc_order in loops
2799 structure. Do not call loops and flow info verification.
2800 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2801 already belongs to some loop.
2802 * cfgloop.h (struct loops): Remove struct cfg.
2803 (current_loops, loop_split_edge_with): Declaration removed.
2804 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2805 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2806 Declaration removed.
2807 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2808 * basic-block.h (split_edge_and_insert): Declare.
2809 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2811 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2813 PR tree-optimization/29801
2814 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2815 (get_default_value): Use get_symbol_constant_value.
2816 (set_lattice_value): ICE when the value of the constant is
2818 (visit_assignment): Ignore VDEFs of read-only variables.
2820 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2822 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2824 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2825 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2827 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2829 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2830 select subvars of var.
2832 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2835 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2836 optimize if DEF doesn't have integral type.
2838 2006-11-16 Mike Stump <mrs@apple.com>
2840 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2841 pre-darwin9 system, unless the user asks for it directly.
2842 (PREFERRED_DEBUGGING_TYPE): Likewise.
2843 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2844 * config.gcc: Add suppport for darwin9.h.
2845 * config/darwin9.h: Add.
2846 * doc/install.texi (Specific): Clarify darwin documentation.
2848 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2850 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2851 optimizing for size.
2853 2006-11-16 Mike Stump <mrs@apple.com>
2855 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2857 2006-11-16 Dirk Mueller <dmueller@suse.de>
2859 * tree-vrp.c (get_value_range): Use XCNEW instead
2861 (insert_range_assertions): Use XCNEWVEC instead
2862 of XNEWVEC and memset.
2863 (vrp_initialize): Same.
2864 (vrp_finalize): Same.
2865 * tree-ssa-ccp.c (ccp_initialize): Same.
2866 * predict.c (tree_bb_level_predictions): Same.
2867 * calls.c (expand_call): Same.
2868 * tree-ssa-copy.c (init_copy_prop): Same.
2869 (fini_copy_prop): Same.
2870 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2871 of GGC_NEW and memset.
2873 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2876 * gimplify.c (gimplify_expr): Only force a load for references to
2877 non-BLKmode volatile values.
2878 * doc/implement-c.texi (Qualifiers implementation): Document the
2879 interpretation of what a volatile access is.
2880 * doc/extend.texi (C++ Extensions): Rework same documentation.
2882 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2884 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2887 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2889 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2891 (arm_neg_abssi2): Renamed from neg_abssi2.
2892 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2894 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2896 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2897 number of arguments passed to local functions in SSE registers is 3.
2899 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2900 number of arguments passed in SSE registers to 3.
2902 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2905 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2907 (get_last_bb_insn): ... new global function.
2908 (basic_block.h): Declare it.
2909 * haifa-sched.c (create_recovery_block): Use it.
2911 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2914 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2916 2006-11-15 Paul Brook <paul@codesourcery.com>
2918 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2919 _Unwind_GetTextRelBase): Move from here ...
2920 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2921 _Unwind_GetTextRelBase): ... To here.
2923 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2925 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2926 addresses we generate for testing are aligned.
2928 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2931 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2932 to what is the const decl is a place holder for.
2934 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2936 * config/i386/i386.opt: New target option -mx87regparm.
2938 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2939 and float_in_x87 variables. mmx_words, sse_words: Remove.
2940 (X87_REGPARM_MAX): Define.
2942 * config/i386/i386.c (override_options): Error out for
2943 -mx87regparm but no 80387 support.
2944 (ix86_attribute_table): Add x87regparm.
2945 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2946 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2947 (ix86_function_x87regparm): New function.
2948 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2950 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2952 (function_arg_advance): Process x87_nregs and x87_regno when
2953 floating point argument is to be passed in 80387 register.
2954 (function_arg): Pass XFmode arguments in 80387 registers for local
2955 functions. Pass SFmode and DFmode arguments to local functions
2956 in 80387 registers when flag_unsafe_math_optimizations is set.
2958 * reg-stack.c (convert_regs_entry): Disable NaN load for
2959 stack registers that are used for argument passing.
2961 * doc/extend.texi: Document x87regparm function attribute.
2962 * doc/invoke.texi: Document -mx87regparm.
2964 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2966 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2967 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2968 arg MODE; all callers changed. Use it to determine validity per
2969 machine mode instead of using Pmode for all memory references.
2970 (get_address_cost): Likewise add and use new arg MEM_MODE.
2972 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2973 J"orn Rennecke <joern.rennecke@st.com>
2975 * combine.c (likely_spilled_retval_1): Fix masking operation.
2976 (likely_spilled_retval_p): Use proper pattern for call to
2977 likely_spilled_retval_1.
2979 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2981 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2983 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2984 that tests for CONSTANT_POOL_ADDRESS_P.
2986 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2988 PR tree-optimization/29581
2989 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2990 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2991 type is different between Y and USE, create a temporary
2992 variable, initialize it at the beginning of the body bb
2993 and use it as replacement instead of Y.
2995 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2998 * gimplify.c (fold_indirect_ref_rhs): Use
2999 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3001 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3003 * expmed.c (emit_store_flag_1): New function.
3004 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3006 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3007 Use do_compare_rtx_and_jump.
3008 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3009 * arm.md (cstoresi4): New define_expand.
3010 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3011 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3012 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3014 2006-11-14 Caroline Tice <ctice@apple.com>
3016 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3017 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3019 (pubname_table): Redefine as a vector.
3020 (pubtype_table): New static global variable, defined as a vector.
3021 (pubname_table_allocated): Remove static global variable.
3022 (pubname_table_in_use): Remove static global variable.
3023 (PUBNAME_TABLE_INCREMENT): Remove constant.
3024 (size_of_pubnames): Add parameter to deal with either pubnames or
3025 pubtypes, and change code to deal with table being a vector.
3026 (add_pubname): Change to deal with table being a vector.
3027 (add_pubtype): New function.
3028 (output_pubnames): Add parameter to deal with either pubnames or
3029 pubtypes, and change code to deal with table being a vector.
3030 (gen_array_type_die): Add call to add_pubtype.
3031 (gen_enumeration_type_die): Add call to add_pubtype.
3032 (gen_struct_or_union_type_die): Add call to add_pubtype.
3033 (gen_subroutine_type_die): Add call to add_pubtype.
3034 (gen_typedef_die): Add call to add_pubtype.
3035 (dwarf2out_init): Add code to initialize pubname_table and
3036 pubtype_table vectors; also initialize debug_pubtypes_section.
3037 (prune_unused_types): Change to deal with pubnames being a vector.
3038 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3039 pubnames table to call to output_pubnames; Add code to output pubtypes
3040 table if DEBUG_PUBTYPES_SECTION is defined.
3041 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3043 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3045 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3047 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3048 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3049 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3050 movv2si_internal): Support moves between core registers.
3052 2006-11-14 Eric Christopher <echristo@apple.com>
3054 * configure: Regenerate with autoconf 2.59.
3056 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3058 Fix PR tree-optimization/27755
3060 * tree-ssa-pre.c: Update comments.
3061 (bb_bitmap_sets): Add pa_in and deferred member.
3062 (BB_DEFERRED): New macro.
3063 (maximal_set): New variable.
3064 (pre_stats): Add pa_insert member.
3065 (bitmap_set_and): Short circuit orig == dest.
3066 (bitmap_set_subtract_values): New function.
3067 (bitmap_set_contains_expr): Ditto.
3068 (translate_vuses_through_block): Add phiblock argument.
3069 (dependent_clean): New function.
3070 (compute_antic_aux): Update for maximal_set changes.
3071 (compute_partial_antic_aux): New function.
3072 (compute_antic): Handle partial anticipation.
3073 (do_partial_partial_insertion): New function.
3074 (insert_aux): Handle partial anticipation.
3075 (add_to_sets): Add to maximal set.
3076 (compute_avail): Ditto.
3077 (init_pre): Initialize maximal_set.
3078 (execute_pre): Do partial anticipation if -O3+.
3080 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3082 PR rtl-optimization/29798
3084 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3085 TARGET_INSN before any other check.
3086 (fwprop_init): Always calculate dominators.
3087 (fwprop_done): Always free them.
3089 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3091 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3094 2006-11-13 DJ Delorie <dj@redhat.com>
3096 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3097 temporary for intermediates.
3099 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3101 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3102 (sh_optimize_target_register_callee_saved): #if 0 the code
3103 using NOTE_INSN_LOOP_{BEG,END}.
3105 2006-11-13 Roger Sayle <roger@eyesopen.com>
3107 * fold-const.c (optimize_bit_field_compare): Recursively call
3108 fold when simplifying non-constant comparisons between bit-fields.
3110 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3112 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3114 * configure: Rebuilt.
3116 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3118 * config/rs6000/cell.md: New file.
3119 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3121 (ppccell_cost): New cost matrix.
3122 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3123 (rs6000_override_options): Set rs6000_always_hint to false
3124 for cell. Also align functions/lables/loops to 8byte
3125 for the Cell. Use PROCESSOR_CELL.
3126 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3127 using_mtcr_multiple.
3128 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3129 on the Cell, return 0.
3130 (rs6000_adjust_cost): Add Cell cost adjustments.
3131 (is_microcoded_insn): Return true for Cell microcoded
3133 (is_nonpipeline_insn): New function.
3134 (rs6000_issue_rate): Add PROCESSOR_CELL.
3135 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3137 (rs6000_use_sched_lookahead_guard): New function.
3138 (rs6000_sched_reorder): Reorder the ready list, if the second
3139 to last ready insn is a nonepipeline insn on the Cell.
3140 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3141 (ASM_CPU_SPEC): Add Cell.
3142 * config/rs6000/rs6000.md (cpu): Add Cell.
3143 (cell_micro): New Attr.
3146 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3148 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3150 * configure: Rebuilt.
3152 2006-11-13 Richard Guenther <rguenther@suse.de>
3154 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3156 (ix86_expand_lfloorceil): Likewise.
3157 (ix86_expand_rint): Likewise.
3158 (ix86_expand_floorceildf_32): Likewise.
3159 (ix86_expand_floorceil): Likewise.
3160 (ix86_expand_rounddf_32): Likewise.
3161 (ix86_expand_truncdf_32): Likewise.
3162 (ix86_expand_round): Likewise.
3164 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3165 Mark Mitchell <mark@codesourcery.com>
3167 * gcc.c: Organize search path variables into $prefix relative,
3168 and well-known native. Add comments.
3169 (add_sysrooted_prefix): Add comment.
3170 (process_command): If !gcc_exec_prefix add $prefix based paths.
3171 If *cross_compile == '0', add native well-known paths.
3172 Assert tooldir_base_prefix is always relative.
3173 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3174 use this value for 'install:' path.
3175 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3177 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3179 * config/i386/i386.c: Fix a typo in comment.
3181 2006-11-13 Michael Matz <matz@suse.de>
3183 * genemit.c (gen_expand): Allocate enough memory.
3185 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3187 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3188 __GXX_TYPEINFO_EQUALITY_INLINE but not
3189 __GXX_MERGED_TYPEINFO_NAMES.
3190 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3191 __GXX_MERGED_TYPEINFO_NAMES.
3192 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3193 __GXX_TYPEINFO_EQUALITY_INLINE.
3195 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3196 Zdenek Dvorak <dvorakz@suse.cz>
3198 PR tree-optimization/29680
3199 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3202 2006-11-12 Jason Merrill <jason@redhat.com>
3203 Andrew Pinski <pinskia@physics.uc.edu>
3206 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3208 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3210 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3211 * tree.c (build_vector): Handle non-_CST elements.
3213 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3215 * genemit.c (gen_insn): Call gen_exp with a non-null used
3216 when handling multiple insns.
3217 (gen_expand): Likewise.
3218 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3219 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3220 (movsi_const_16bit+1): Copy operands[1].
3221 (call_pcrel): Copy the call_site pattern.
3222 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3224 2006-11-12 Roger Sayle <roger@eyesopen.com>
3226 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3227 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3228 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3229 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3231 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3233 Fix PR tree-optimization/29587
3234 * tree-ssa-structalias.c (process_constraint): Don't
3235 mark address taken due only to escaped vars constraint.
3237 2006-11-12 Michael Matz <matz@suse.de>
3238 Roger Sayle <roger@eyesopen.com>
3240 PR rtl-optimization/29797
3241 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3242 BITS_BIG_ENDIAN targets.
3244 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3246 * builtins.c (fold_builtin_cosh): New.
3247 (fold_builtin_1): Use it.
3248 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3249 trunc to the list of "odd" functions. Also add llrint, lrint,
3250 rint and nearbyint when flag_rounding_math is false.
3252 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3254 * tree-flow.h (name_mappings_registered_p): Declare.
3255 * tree-into-ssa.c (name_mappings_registered_p): New function.
3256 * tree-cfg.c (tree_can_merge_blocks_p): Check
3257 name_mappings_registered_p instead of need_ssa_update_p.
3259 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3261 * tree-ssa-loop.c (tree_vectorize): Return the result of
3263 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3264 if anything changed.
3265 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3266 * tree-flow.h (vectorize_loops): Declaration changed.
3268 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3270 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3272 (issue_prefetch_ref): Move assignment to write_p out of loop.
3273 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3274 SIMULTANEOUS_PREFETCHES into account.
3275 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3276 * lambda-code.c (lcm): Renamed to ...
3277 (least_common_multiple): ... and exported.
3278 * tree-flow.h (least_common_multiple): Declare.
3280 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3282 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3283 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3284 ud-chains. Handle AND_EXPR.
3285 (record_estimate): Record whether the estimate is realistic
3286 and whether it is derived from a loop exit.
3287 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3288 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3290 (compute_estimated_nb_iterations): Take only realistic bounds into
3291 account. Set estimate_state. Use double_ints.
3292 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3293 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3294 that do not have to be always executed.
3295 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3296 to determine whether to call infer_loop_bounds_from_undefined
3297 and compute_estimated_nb_iterations.
3298 (n_of_executions_at_most): Use double_ints.
3299 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3300 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3301 * double-int.c (double_int_to_tree): Improve comment.
3302 (double_int_fits_to_tree_p): New function.
3303 * double-int.h (double_int_fits_to_tree_p): Declare.
3304 * tree-data-ref.c: Include langhooks.h.
3305 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3306 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3307 (analyze_array): Do not pass estimate_only argument to
3308 analyze_array_indexes.
3309 (get_number_of_iters_for_loop): Build tree from the stored double_int
3311 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3312 (find_data_references_in_loop): Use find_data_references_in_stmt.
3313 * tree-data-ref.h (struct data_ref_loc_d): New.
3314 (get_references_in_stmt): Declare.
3315 (estimate_iters_using_array): Declaration removed.
3316 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3317 double_int. Improve comments. Add is_exit and realistic
3319 (struct loop): Changed type of estimated_nb_iterations to double_int.
3320 Added estimate_state field.
3321 (record_estimate): Declaration removed.
3323 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3325 * params.c (set_param_value): Initialize the "set" field.
3326 * params.h (struct param_info): Add "set" field.
3327 (PARAM_SET_P): New macro.
3328 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3329 L1_CACHE_LINE_SIZE): New macros.
3330 * toplev.c (DEFPARAM): Initialize the "set" field.
3331 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3332 SIMULTANEOUS_PREFETCHES): Removed.
3333 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3334 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3335 * config/sparc/sparc.c: Include params.h.
3336 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3337 L1_CACHE_LINE_SIZE parameters.
3338 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3340 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3342 * config/i386/i386.c: Include params.h.
3343 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3344 (override_options): Set SIMULTANEOUS_PREFETCHES and
3345 L1_CACHE_LINE_SIZE parameters.
3346 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3347 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3348 L1_CACHE_LINE_SIZE parameters.
3349 * config/ia64/ia64.c (ia64_optimization_options): Set
3350 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3351 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3353 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3354 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3355 * doc/invoke.texi: Document new params.
3357 2006-11-12 Roger Sayle <roger@eyesopen.com>
3359 PR tree-optimization/13827
3360 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3363 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3365 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3366 update_single_exit_for_duplicated_loops): New functions.
3367 (duplicate_loop_to_header_edge): Use
3368 update_single_exit_for_duplicated_loops.
3369 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3370 functions only with ENABLE_CHECKING.
3372 2006-11-12 Andreas Schwab <schwab@suse.de>
3374 * except.c (sjlj_emit_function_enter): Remove unused variable.
3376 2006-11-11 Roger Sayle <roger@eyesopen.com>
3378 * fold-const.c (int_binop_types_match_p): New function.
3379 (size_binop): Relax constraint that both arguments must both have
3380 exactly the same sizetype type. Instead use int_binop_types_match_p.
3381 (size_diffop): Likewise.
3383 (make_range): Use build_int_cst instead of fold_convert.
3384 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3385 integer constants of the correct type.
3386 (fold_div_compare): Likewise.
3387 (fold_single_bit_test): Likewise.
3388 (fold_binary): Likewise.
3389 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3390 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3392 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3395 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3396 non null value if the struct memory access is in the 0th
3399 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3402 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3403 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3406 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3407 instead of builtin_define for bfin and BFIN.
3409 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3411 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3414 2006-11-11 Jan Hubicka <jh@suse.cz>
3416 * extend.texi (__builtin_expect): We no longer require second argument
3418 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3419 * builtins.c (expand_builtin_expect): Simplify.
3420 (expand_builtin_expect_jump): Kill.
3421 * final.c (final_scan_insn): Do not skip the removed notes.
3422 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3423 EXPECTED_VALUE): Remove.
3424 * dojump.c (do_jump): Do not care about __builtin_expect.
3425 * predict.c (expected_value_to_br_prob): Kill.
3426 * function.c (expand_function_end): Do not expand
3427 NOTE_INSN_REPEATED_LINE_NUMBER.
3428 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3429 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3430 * cfgexpand.c (add_reg_br_prob_note): Export.
3431 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3432 expected_value_to_br_prob.
3433 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3434 * rtl.h (add_reg_br_prob_note): Declare.
3436 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3438 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3440 2006-11-11 Jan Hubicka <jh@suse.cz>
3442 * predict.c (predict_loops): Kill RTL variant.
3444 2006-11-11 Jan Hubicka <jh@suse.cz>
3446 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3447 * modulo-sched.c (find_line_note): Remove.
3448 (loop_canon_p): Do not worry about line number notes.
3449 (sms_schedule): Likewise.
3450 * cse.c (cse_main): Likewise.
3451 * regmove.c (fixup_match_1): Likewise
3452 * function.c (emit_return_info_block): Likewise.
3453 (expand_function_end): Likewise.
3454 (thread_prologue_an_epilogue_insns): Likewise.
3455 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3457 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3458 emit_note_copy_after): Kill.
3459 (emit_note_copy): Do not worry about line numbers.
3460 * jump.c (purge_line_number_notes): Kill.
3461 (pass_purge_lineno_notes): Kill.
3462 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3464 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3465 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3466 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3467 * tree-pass.h (pass_purge_lineno_notes): Kill.
3468 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3469 rm_redundant_line_notes.
3470 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3471 rm_redundant_line_notes.
3472 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3473 * haifa-sched.c: Update comment about handling notes.
3474 (unlink_line_notes): Kill.
3475 (rm_line_notes): Kill.
3476 (save_line_notes): Simplify.
3477 (rm_redundant_line_notes): Kill.
3479 2006-11-11 Richard Guenther <rguenther@suse.de>
3481 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3482 Remove unused tree codes.
3483 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3484 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3485 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3486 * tree.c (stabilize_reference): Likewise.
3487 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3488 fold_unary): Likewise.
3489 * tree-gimple.c (is_gimple_cast): Likewise.
3490 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3491 * expr.c (expand_expr_real_1): Likewise.
3492 * tree-eh.c (tree_could_trap_p): Likewise.
3493 * gimplify.c (gimplify_expr): Likewise.
3494 * tree-inline.c (estimate_num_insns_1): Likewise.
3495 * tree-cfg.c (verify_expr): Likewise.
3497 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3499 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3500 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3501 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3503 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3506 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3507 constraints accept neither registers or memories.
3509 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3511 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3512 (NO_PROFILE_COUNTERS): Define as 1.
3514 2006-11-10 Roger Sayle <roger@eyesopen.com>
3516 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3517 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3519 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3521 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3523 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3525 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3526 (fold_builtin_hypot): Likewise.
3527 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3529 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3531 2006-11-10 Roger Sayle <roger@eyesopen.com>
3533 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3534 when attempting to build INTEGER_CSTs of non-integral types.
3535 * expmed.c (make_tree): Use the correct type, i.e. the inner
3536 type, when constructing the individual elements of a CONST_VECTOR.
3538 2006-11-10 Jan Hubicka <jh@suse.cz>
3540 * cse.c (cse_process_notes): Copy the propagated value.
3541 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3543 * gcse.c (try_replace_reg): Copy the replacement.
3544 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3545 (assign_386_stack_local): Always return copied memory expression
3546 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3549 2006-11-10 Jan Hubicka <jh@suse.cz>
3551 * final.c (final): Walk from first instruction.
3552 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3554 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3557 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3559 (umulv8hi3_highpart): Ditto.
3560 (vec_widen_smult_hi_v8hi): New expander.
3561 (vec_widen_smult_lo_v8hi): Ditto.
3563 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3566 * builtins.c (do_mpfr_arg3): New.
3567 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3569 2006-11-09 Eric Christopher <echristo@apple.com>
3574 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3575 * config.gcc (powerpc64-*-darwin*): New target.
3576 * config.host: Ditto.
3577 * config/rs6000/darwin64.h: New file.
3578 * config/rs6000/x-darwin64: Ditto.
3579 * config/rs6000/host-ppc64-darwin.c: Ditto.
3581 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3583 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3584 routines for integer division.
3586 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3588 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3590 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3593 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3595 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3597 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3598 simplify_subreg with BLKmode outer mode.
3600 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3602 * doc/invoke.texi: Minor formatting fixes in option lists.
3604 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3606 PR tree-optimization/29738
3607 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3608 (ccp_lattice_t): Remove UNKNOWN_VAL.
3609 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3610 Do not handle UNKNOWN_VAL.
3611 (get_default_value): Set initial value of virtual operands to
3613 (get_value): Always use get_default_value on uninitialized
3615 (set_value_varying, surely_varying_stmt_p): New functions.
3616 (set_lattice_value): Do not pass argument to get_value.
3617 Do not handle UNKNOWN_VAL.
3618 (likely_value): Follow the semantics described in the comment.
3619 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3620 phi nodes DONT_SIMULATE_AGAIN.
3621 (ccp_fold): Do not pass argument to get_value.
3622 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3625 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3627 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3628 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3630 2006-11-08 Roger Sayle <roger@eyesopen.com>
3632 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3633 test for inclusion rather than as a test for exclusion.
3634 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3635 the condition after calling fold_binary.
3636 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3637 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3638 * builtins.c (fold_builtin_isascii): Likewise.
3639 (fold_builtin_isdigit): Likewise.
3641 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3643 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3644 * configure: Regenerate.
3646 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3648 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3649 enum argument instead of bool.
3650 (vect_analyze_operations): Call vectorizable_type_promotion.
3651 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3652 stmt_vec_info_type value.
3653 (supportable_widening_operation, vectorizable_type_promotion): New
3654 function declarations.
3655 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3656 (vectorizable_type_promotion): New function.
3657 (vect_transform_stmt): Call vectorizable_type_promotion.
3658 * tree-vect-analyze.c (supportable_widening_operation): New function.
3659 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3661 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3664 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3665 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3666 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3668 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3669 * expr.c (expand_expr_real_1): Likewise.
3670 * optabs.c (optab_for_tree_code): Likewise.
3671 (init_optabs): Initialize new optabs.
3672 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3673 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3674 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3675 vec_unpacku_lo_optab): Initialize new optabs.
3676 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3677 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3678 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3680 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3681 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3682 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3683 (vec_unpacku_lo_optab): New optabs.
3684 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3685 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3686 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3687 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3688 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3689 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3691 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3692 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3693 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3694 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3695 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3696 implement the unsigned unpacking patterns.
3697 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3698 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3699 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3700 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3701 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3702 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3703 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3704 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3705 multiplication patterns.
3707 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3708 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3709 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3710 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3711 (rs6000_builtin_mul_widen_odd): New.
3712 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3713 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3714 * tree-vectorizer.h (enum vect_relevant): New enum type.
3715 (_stmt_vec_info): Field relevant chaned from bool to enum
3717 (STMT_VINFO_RELEVANT_P): Updated.
3718 (STMT_VINFO_RELEVANT): New.
3719 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3720 instead of STMT_VINFO_RELEVANT_P.
3721 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3722 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3723 and boolean variable with enum vect_relevant.
3724 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3725 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3726 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3728 2006-11-08 Richard Henderson <rth@redhat.com>
3730 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3731 vec_widen_umult_lo_v8hi): New.
3732 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3733 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3735 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3736 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3737 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3738 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3739 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3740 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3741 vec_unpacks_lo_v4si): New.
3743 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3745 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3746 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3747 (vect_analyze_operations): Call vectorizable_type_demotion.
3748 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3749 stmt_vec_info_type value.
3750 (vectorizable_type_demotion): New function declaration.
3751 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3754 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3755 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3757 * tree-iniline.c (estimate_num_insns_1): Likewise.
3758 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3759 * optabs.c (optab_for_tree_code): Likewise.
3761 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3762 compared against the predicate of the result is not 'mode' (the input
3763 to the function) but a mode with half the size of 'mode'.
3764 (init_optab): Initialize new optabs.
3765 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3767 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3769 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3770 (vec_pack_usat_optab): Initialize new optabs.
3771 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3772 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3774 2006-11-08 Richard Henderson <rth@redehat.com>
3776 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3777 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3778 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3779 (vec_interleave_highv4si, vec_interleave_lowv4si):
3780 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3782 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3784 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3786 (vect_transform_stmt): Removed redundant code.
3788 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3790 * tree-vect-transform.c (vectorizable_operation): Support multiple
3793 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3795 * tree-vect-transform.c (vect_align_data_ref): Removed.
3796 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3797 Updated function documentation. Return the increment stmt in ptr_incr.
3798 (bump_vector_ptr): New function.
3799 (vect_get_vec_def_for_stmt_copy): New function.
3800 (vect_finish_stmt_generation): Create a stmt_info to newly created
3802 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3804 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3805 VF is greater than the number of elements that can fit in one vector
3807 (vectorizable_operation, vectorizable_condition): Likewise.
3808 (vectorizable_store, vectorizable_load): Support the case that the VF
3809 is greater than the number of elements that can fit in one vector word.
3810 (vect_transform_loop): Don't fail in case of multiple data-types.
3811 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3812 in case of multiple data-types; the smallest type determines the VF.
3813 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3814 if they are of different sizes.
3815 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3816 number of elements rather than number of bytes.
3817 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3818 (vect_can_advance_ivs_p): Fix a dump printout
3820 2006-11-07 Eric Christopher <echristo@apple.com>
3822 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3823 (__bswapsi2): Ditto.
3824 * libgcc2.h: Remove transformation of bswap routines.
3825 * config/i386/i386.md (bswapsi2): New.
3828 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3830 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3831 (handle_gnu_inline_attribute): New function.
3832 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3833 (merge_decls, start_decl, start_function): Likewise.
3834 * doc/extend.texi: Document gnu_inline attribute.
3836 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3839 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3840 _fixunstfdi, and _floatditf
3842 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3844 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3846 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3847 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3848 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3849 which start in an odd register.
3851 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3853 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3855 2006-11-07 Josh Conner <jconner@apple.com>
3857 * doc/invoke.texi (fstrict-aliasing): Move implementation
3859 * doc/tree-ssa.texi (Alias analysis): ...here.
3861 2006-11-07 Richard Guenther <rguenther@suse.de>
3863 PR tree-optimization/29610
3864 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3865 of tree_purge_dead_eh_edges as it may free dominators.
3867 * g++.dg/other/pr29610.C: New testcase.
3869 2006-11-07 David Ung <davidu@mips.com>
3871 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3872 costs when optimizing for size.
3873 (override_options): Use mips_rtx_cost_optimize_size table for cost
3876 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3878 * gcc.c (process_command): Treat -b as normal switch if its argument
3881 2006-11-07 David Ung <davidu@mips.com>
3883 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3886 2006-11-06 Eric Christopher <echristo@apple.com>
3888 * config.gcc: Add x86_64-darwin host support.
3889 * config.host: Ditto.
3890 * config/i386/darwin64.h: New file.
3891 * config/i386/t-darwin64: Ditto.
3893 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3895 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3896 and output-exists-not.
3898 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3901 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3902 checking for overflow.
3904 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3906 * configure.ac: Fixed typo in case statement: :: changed to ;;
3908 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3910 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3911 count_leading_zeros, and count_trailing_zeros.
3912 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3913 (TARGET_FOLD_BUILTIN): Define.
3914 (TARGET_EXPAND_BUILTIN): Define.
3915 (xtensa_init_builtins): New.
3916 (xtensa_fold_builtin): New.
3917 (xtensa_expand_builtin): New.
3918 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3919 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3920 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3921 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3922 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3923 (any_extend): New code macro.
3924 (u, su): New code attributes.
3925 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3926 (nsau): Remove; replaced by clzsi2.
3927 (ffssi2): Use clzsi2.
3928 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3929 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3930 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3931 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3932 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3934 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3936 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3938 * config/arm/t-strongarm-elf: Likewise.
3939 * config/arm/t-pe: Likewise.
3940 * config/arm/t-arm-elf: Likewise.
3941 * config/arm/t-xscale-elf: Likewise.
3942 * config/arm/t-arm-coff: Likewise.
3943 * config/arm/t-xscale-coff: Likewise.
3944 * config/arm/t-wince-pe: Likewise.
3946 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3948 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3951 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3954 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3957 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3960 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3961 as a valid 80387 constant.
3962 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3963 * config/i386/i386.md (unnamed splitter): Split the load of
3964 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3967 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3969 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3970 from the soft-frame, argument and virtual registers.
3972 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3974 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3975 patterns for standard 80387 constants.
3977 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3978 Steven Bosscher <steven@gcc.gnu.org>
3980 * fwprop.c: New file.
3981 * Makefile.in: Add fwprop.o.
3982 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3983 * passes.c (init_optimization_passes): Schedule forward propagation.
3984 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3986 * timevar.def (TV_FWPROP): New.
3987 * common.opt (-fforward-propagate): New.
3988 * opts.c (decode_options): Enable forward propagation at -O2.
3989 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3990 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3991 canon_for_address, table_size): Remove.
3992 (new_basic_block, insert, remove_from_table): Remove references to
3994 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3995 simplification loop more straightforward by not calling fold_rtx
3997 (equiv_constant): Move here a small part of fold_rtx_subreg,
3998 do not call fold_rtx. Call avoid_constant_pool_reference
4000 * recog.h (canonicalize_change_group): New.
4002 * doc/invoke.texi (Optimization Options): Document fwprop.
4003 * doc/passes.texi (RTL passes): Document fwprop.
4005 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4007 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4008 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4009 (grokdeclarator): Likewise.
4011 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4013 * tree-dump.c (dump_enable_all): Rename local variable
4014 ir_type to avoid name conflicts.
4015 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4016 instead of using ir_type().
4017 * profile.c (tree_register_profile_hooks): Likewise.
4018 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4019 * basic-block.h (struct edge_def): Likewise.
4020 * config/arm/arm.c (legitimize_pic_address): Likewise.
4021 * coretypes.h (ir_type): New enum of all intermediate languages
4023 * cfghooks.c (ir_type): Rename to...
4024 (current_ir_type): ...this. Distinguish between cfgrtl and
4025 cfglayout mode when the current IR is RTL. Return enum ir_type.
4026 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4028 2006-11-03 Paul Brook <paul@codesourcery.com>
4030 * config/arm/arm.c (arm_file_start): New function.
4031 (TARGET_ASM_FILE_START): Define.
4032 (arm_default_cpu): New variable.
4033 (arm_override_options): Set arm_default_cpu.
4035 2006-11-03 David Ung <davidu@mips.com>
4037 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4038 PROCESSOR_24KC and PROCESSOR_24KF.
4039 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4040 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4041 (mips_rtx_cost_data): Add costs for the 24kc.
4042 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4043 * config/mips/24k.md: Remove references to 24k and replace with
4044 uses of 24kc/24kf in the appropriate reservations.
4045 * doc/invoke.texi (MIPS Options): Updated.
4047 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4049 * config/sh/crt1.asm: Fix #ifdef indent.
4051 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4052 Merged from STMicroelectronics sources:
4053 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4054 * config/sh/crt1.asm (vbr_600): Add missing #if.
4055 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4056 * sh.opt (mfused-madd): New option.
4057 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4058 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4059 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4060 Remove pointless handler at VBR+0.
4061 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4062 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4063 fr7. Make sure the timer handler is called with the correct FPU
4064 precision setting, according to the ABI.
4065 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4066 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4067 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4068 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4069 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4070 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4071 zero as second operand.
4072 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4073 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4074 Fixed some bugs related to negative values, in particular -0
4075 and overflow at -0x80000000.
4076 * config/sh/divcost-analysis: Added sh4-300 figures.
4077 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4078 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4079 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4080 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4081 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4082 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4084 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4086 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4087 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4088 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4089 mac_mem, mem_mac, dfp_mul, fp_cmp.
4090 (insn_class, dfp_comp, any_fp_comp): Update.
4091 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4092 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4093 (muldf3_i): Likewise.
4094 (movsi_i): Split rI08 alternative into two separate alternatives.
4096 (movsi_ie, movsi_i_lowpart): Likewise.
4097 (movqi_i): Split ri alternative into two separate alternatives.
4099 * sh1.md (sh1_load_store, sh1_fp): Update.
4100 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4101 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4102 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4103 (sh4a_fp_double_arith): Likewise.
4104 * sh4-300.md: New file.
4105 * sh.c (sh_handle_option): Handle m4-300* options.
4106 (sh_adjust_cost): Fix latency of auto-increments.
4107 Handle SH4-300 differently than other SH4s. Check for new insn types.
4108 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4109 been set by an option.
4110 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4111 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4112 (mbranch-cost=): Likewise.
4113 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4115 * sh.md (mulsf3): Remove special expansion code.
4116 (mulsf3_ie): Now a define_insn_and_split.
4117 (macsf3): Allow for TARGET_SH4.
4119 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4120 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4121 (expand_cbranchdi4): Likewise.
4122 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4123 CONST_DOUBLE if the outer code is COMPARE.
4124 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4125 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4126 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4127 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4128 Remove redundant fp_{zero,one}_operand checks.
4129 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4130 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4131 (expand_cbranchdi4): Likewise.
4132 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4133 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4135 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4137 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4140 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4142 * doc/invoke.texi: Fix mfp-trap-mode typo.
4144 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4146 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4147 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4148 file_end_indicate_exec_stack.
4149 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4151 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4152 for a non-executable stack.
4153 * crti.asm: Likewise.
4154 * crtn.asm: Likewise.
4155 * libunwind.S: Likewise.
4157 2006-11-02 Ben Elliston <bje@au.ibm.com>
4159 * tree-ssa.c (warn_uninit): Use expand_location variables for
4160 locus and declaration locus.
4162 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4165 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4166 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4167 cmp{eq,gt,gtu}{si,di}_media.
4168 (*cmpne0si_media): Remove.
4169 (*movsicc_umin): Adjust gen_cmp*_media call.
4170 (unordered): Change the mode of unordered and operands[1] to
4172 (seq): Adjust gen_cmp*_media calls. Make the mode of
4173 a temporary result of compare SImode if needed. If the mode
4174 of operands[0] is DImode, extend the temporary result to DImode.
4175 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4176 (sunorderd): Change the mode of match_operand and unorderd to
4178 (cmpeq{sf,df}_media): Remove.
4179 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4180 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4181 and compare operation to SImode.
4183 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4185 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4187 (sparc64-sun-solaris2*): Likewise.
4189 2006-11-02 Paul Brook <paul@codesourcery.com>
4191 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4192 from priority argument. Use different section for non-default
4194 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4196 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4199 * except.c (switch_to_exception_section): Do not cache the section
4200 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4201 and flag_function_sections is set.
4203 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4206 * builtins.c (do_mpfr_sincos): New.
4207 (fold_builtin_1): Use it to fold builtin sincos.
4209 2006-11-01 Roger Sayle <roger@eyesopen.com>
4211 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4212 it into -D_REENTRANT.
4214 2006-11-01 Roger Sayle <roger@eyesopen.com>
4216 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4217 whether the assembler supports taking the difference of symbols in
4218 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4219 * configure: Regenerate.
4220 * config.in: Regenerate.
4221 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4222 the assembler doesn't support taking the difference of symbols in
4223 different sections, i.e. we're using the native solaris assembler.
4225 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4226 Peter Bergner <bergner@vnet.ibm.com>
4228 * doc/invoke.texi: Add cpu_type power6x
4229 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4230 * config.gcc: Add cpu_type power6x.
4231 * configure.ac: Add test for mf{t,f}gpr instructions.
4232 (HAVE_AS_MFPGPR): New.
4233 * config.in: Regenerate.
4234 * configure: Regenerate.
4235 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4236 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4237 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4238 and mftgpr attributes.
4239 (define_attr "cpu"): Add power6.
4240 Change instruction sequences to use new attributes.
4241 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4242 (fix_truncdfsi2_mfpgpr): New.
4243 (floatsidf_ppc64_mfpgpr): New.
4244 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4245 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4246 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4247 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4248 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4249 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4250 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4251 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4252 cntlz,exts and var_delayed_compare.
4253 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4254 _ARCH_PWR6X, if features enabled.
4255 * config/rs6000/rs6000.opt (mmfpgpr): New.
4256 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4257 (cached_can_issue_more): New variable.
4258 (processor_costs): Add power6_cost.
4259 (rs6000_sched_init): New function.
4260 (is_dispatch_slot_restricted): Deleted.
4261 (set_to_load_agen): New function.
4262 (is_load_insn,is_store_insn): New functions.
4263 (adjacent_mem_locations): New function.
4264 (insn_must_be_first_in_group): New function.
4265 (insn_must_be_last_in_group): New function.
4266 (rs6000_sched_reorder): New function.
4267 (rs6000_sched_reorder2): New function.
4268 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4269 TARGET_SCHED_REORDER2): Define.
4270 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4271 Add power6x. Add MASK_MFPGPR for power6x.
4272 (POWERPC_MASKS): Add MASK_MFPGPR.
4273 (rs6000_override_options): Set rs6000_always_hint to false
4274 for power6. Set rs6000_align_branch_targets. Replace
4275 rs6000_sched_groups check with rs6000_align_branch_targets.
4276 Use PROCESSOR_POWER6.
4277 (last_scheduled_insn): New variable.
4278 (load_store_pendulum): New variable.
4279 (rs6000_variable_issue): Set last_scheduled_insn and
4280 cached_can_issue_more.
4281 (rs6000_adjust_cost): Add power6 cost adjustments.
4282 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4283 with insn_must_be_first_in_group. Add power6 priority adjustments.
4284 (rs6000_issue_rate): Add CPU_POWER6.
4285 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4286 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4287 (TARGET_MFPGPR): New.
4288 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4289 (ASM_CPU_SPEC): Add power6x.
4290 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4292 * config/rs6000/power6.md: New file.
4294 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4296 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4297 HOST_WIDE_INT_PRINT to print high and low parts. Use
4298 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4299 printing a hexadecimal number prefix it with 0x.
4301 2006-11-01 Chris Johns <chris@contemporary.net.au>
4304 * Makefile.in (install-driver): Use exeext when installing
4305 $target-gcc-$version.
4307 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4309 * c-common.c (flag_cpp0x): New.
4310 * c-common.h (flag_cpp0x): New.
4311 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4312 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4313 * c-opts.c (set_std_cxx0x): New.
4314 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4315 * c.opt (std=c++0x): Document.
4316 (std=gnu++0x): Ditto.
4317 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4318 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4320 2006-11-01 Richard Guenther <rguenther@suse.de>
4322 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4324 (ix86_expand_floorceildf_32): Likewise.
4325 (ix86_expand_floorceil): Likewise.
4326 (ix86_expand_trunc): Likewise.
4328 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4330 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4333 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4335 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4337 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4339 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4341 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4342 * configure.ac (use_cxa_atexit): As a special case, don't test
4343 for libc definition of __cxa_atexit on mingw32
4344 * configure: Regenerate.
4345 * config.gcc (i[34567]86-pc-mingw32): Default to
4346 enable__cxa_atexit=yes.
4348 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4350 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4352 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4355 * c-decl.c (start_struct): Don't create self-containing
4357 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4359 * config/rs6000/rs6000-protos.h
4360 (darwin_rs6000_special_round_type_align): New.
4361 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4362 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4364 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4366 * toplev.c (compile_file): Call final_write_globals
4367 even if there have been errors.
4369 2006-10-31 Eric Christopher <echristo@apple.com>
4370 Falk Hueffner <falk@debian.org>
4372 * doc/extend.texi (__builtin_bswap32): Document.
4373 (__builtin_bswap64): Ditto.
4374 * doc/libgcc.texi (bswapsi2): Document.
4376 * doc/rtl.texi (bswap): Document.
4377 * optabs.c (expand_unop): Don't widen a bswap.
4378 (init_optabs): Init bswap. Set libfuncs explicitly
4379 for bswapsi2 and bswapdi2.
4380 * optabs.h (OTI_bswap): New.
4381 (bswap_optab): Ditto.
4382 * genopinit.c (optabs): Handle bswap_optab.
4383 * tree.h (tree_index): Add TI_UINT32_TYPE and
4385 (uint32_type_node): New.
4386 (uint64_type_node): Ditto.
4387 * tree.c (build_common_tree_nodes_2): Initialize
4388 uint32_type_node and uint64_type_node.
4389 * builtins.c (expand_builtin_bswap): New.
4390 (expand_builtin): Call.
4391 (fold_builtin_bswap): New.
4392 (fold_builtin_1): Call.
4393 * fold-const.c (tree_expr_nonnegative_p): Return true
4395 * builtin-types.def (BT_UINT32): New.
4397 (BT_FN_UINT32_UINT32): Ditto.
4398 (BT_FN_UINT64_UINT64): Ditto.
4399 * builtins.def (BUILT_IN_BSWAP32): New.
4400 (BUILT_IN_BSWAP64): Ditto.
4401 * rtl.def (BSWAP): New.
4402 * genattrtab.c (check_attr_value): New.
4403 * libgcc2.c (__bswapSI2): New.
4404 (__bswapDI2): Ditto.
4405 * libgcc2.h (__bswapSI2): Declare.
4406 (__bswapDI2): Ditto.
4407 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4408 * simplify-rtx.c (simplify_const_unary_operation): Return
4410 * libgcc-std.ver (__bwapsi2): Add.
4411 (__bswapdi2): Ditto.
4412 * reload1.c (eliminate_regs_1): Add bswap.
4413 (elimination_effects): Ditto.
4414 * config/i386/i386.h (x86_bswap): New.
4415 (TARGET_BSWAP): Use.
4416 * config/i386/i386.c (x86_bswap): Set.
4418 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4420 * coverage.c (coverage_checksum_string): Update comment.
4421 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4422 of get_file_function_name.
4423 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4424 of get_file_function_name_long.
4425 * tree.c (get_file_function_name): Rename from
4426 get_file_function_name_long; improve comment; handle 'I' and 'D'
4427 specially when the target has ctor/dtor support; remove special
4429 (get_file_function_name): Remove.
4430 * tree.h (get_file_function_name): Rename from
4431 get_file_function_name_long.
4432 (get_file_function_name): Remove prototype.
4434 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4436 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4437 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4439 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4440 Call dsymutil when compiling and linking one or more source files
4443 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4446 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4448 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4450 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4451 inline static functions in c99 mode.
4454 * doc/extend.texi (Inline): Update.
4455 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4456 * c-decl.c (current_extern_inline): Delete.
4457 (pop_scope): Adjust test for an undefined nested function.
4458 Add warning about undeclared inline function.
4459 (diagnose_mismatched_decls): Update comments. Disallow overriding
4460 of inline functions in a translation unit in C99. Allow inline
4461 declarations in C99 at any time.
4462 (merge_decls): Boolize variables. Handle C99 'extern inline'
4464 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4465 C99 inline semantics.
4466 (start_function): Don't clear current_extern_inline. Don't set
4468 (c_push_function_context): Don't push current_extern_inline.
4469 (c_pop_function_context): Don't restore current_extern_inline.
4472 * c-typeck.c (build_external_ref): Warn about static variables
4473 used in extern inline functions.
4474 * c-decl.c (start_decl): Warn about static variables declared
4475 in extern inline functions.
4477 2006-10-31 Roger Sayle <roger@eyesopen.com>
4480 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4481 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4482 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4483 or y is an even integer.
4485 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4488 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4489 * gthr-posix95.h (__gthread_active_p): Likewise.
4491 2006-10-31 Richard Guenther <rguenther@suse.de>
4493 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4494 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4495 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4496 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4497 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4498 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4499 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4500 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4503 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4505 * opts.c (decode_options): Disable CSE skip blocks.
4507 2006-10-30 Dirk Mueller <dmueller@suse.de>
4509 * c-common.h (strict_aliasing_warning): Fix whitespace.
4510 * c-decl (start_function): Move code for main decl warning ..
4511 * c-common.c (check_main_parameter_types): .. here.
4512 * c-common.h (check_main_parameter_types): Declare.
4514 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4517 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4519 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4521 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4522 be a PARALLEL containing sets. Return false when out_pat is not
4525 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4527 * config/mips/mips.md (mul<mode>3): Split into...
4528 (mulsi3, muldi3): ...these separate patterns.
4530 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4532 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4533 but with each set of options separated by spaces.
4535 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4537 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4538 dwarf_reg_size_table has been initialized.
4540 2006-10-30 Roger Sayle <roger@eyesopen.com>
4542 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4543 * ddg.c (print_ddg_edge): Likewise.
4544 * dwarf2out.c (prune_unused_types_walk): Likewise.
4545 * ifcvt.c (noce_try_cmove_arith): Likewise.
4546 * langhooks.c (add_builtin_function): Likewise.
4547 * reg-stack.c (subst_stack_regs_pat): Likewise.
4548 * tree.c (expanded_location): Likewise.
4549 * tree-dump.c (dequeue_and_dump): Likewise.
4551 2006-10-30 David Daney <ddaney@avtrex.com>
4553 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4555 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4557 PR tree-optimization/29637
4558 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4559 of the innertype is the innertype itself.
4561 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4563 * dwarf2out.c (file_name_acquire): Correct typo.
4565 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4567 * tree.h (tree_value_handle): Remove struct value_set declaration.
4568 Change value_set to bitmap_set.
4569 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4570 * tree-vn.c (get_value_handle): Made inline and moved to
4572 * tree-flow-inline.h: (has_stmt_ann): New function.
4573 * tree-ssa-pre.c (expressions): New variable.
4574 (next_expression_id): Ditto.
4575 (alloc_expression_id): New function.
4576 (struct value_set): Remove.
4577 (get_expression_id): New function.
4578 (get_or_alloc_expression_id): Ditto.
4579 (expression_for_id): Ditto.
4580 (clear_expression_ids): Ditto.
4581 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4582 (bb_value_sets): Renamed to bb_bitmap_sets.
4583 All value sets replaced with bitmap_sets.
4585 (BB_VISITED): New macro.
4586 (postorder): New variable.
4587 (add_to_value): Removed.
4588 (value_exists_in_set_bitmap): Ditto.
4589 (value_insert_into_set_bitmap): Ditto.
4592 (set_remove): Ditto.
4593 (set_contains_value): Ditto.
4594 (insert_into_set): Ditto.
4596 (find_leader): Ditto.
4597 (bitmap_set_subtract_from_value_set): Ditto.
4598 (value_insert_into_set): Ditto.
4599 (print_value_set): Ditto.
4600 (debug_value_set): Ditto.
4601 (constant_expr_p): New function.
4602 (bitmap_remove_from_set): Ditto.
4603 (bitmap_insert_into_set): Ditto.
4604 (bitmap_set_free): Ditto.
4605 (vh_compare): Ditto.
4606 (sorted_array_from_bitmap_set): Ditto.
4607 (bitmap_set_subtract): Ditto.
4608 (bitmap_set_equal): Ditto.
4609 (debug_bitmap_set): Ditto.
4610 (find_leader_in_sets): Ditto.
4611 (bitmap_set_replace_value): Modify for bitmapped sets.
4612 (phi_translate): Ditto.
4613 (phi_translate_set): Ditto.
4614 (bitmap_find_leader): Ditto.
4615 (valid_in_sets): Ditto.
4616 (union_contains_value): Ditto.
4618 (compute_antic_aux): Ditto. Mark changed blocks.
4619 (compute_antic): Ditto. Iterate in postorder and only over
4621 (compute_rvuse_and_antic_safe): Reuse postorder.
4622 (create_component_ref_by_pieces): Modify for bitmapped sets.
4623 (find_or_generate_expression): Ditto.
4624 (create_expression_by_pieces): Ditto.
4625 (insert_into_preds_of_block): Ditto.
4626 (changed_blocks): New variable.
4627 (do_regular_insertion): Broken out from insert_aux.
4628 (insert_aux): Modified for bitmapped sets.
4629 (find_existing_value_expr): New function.
4630 (create_value_expr_from): Use it.
4631 (insert_extra_phis): Removed.
4632 (print_bitmap_set): Renamed from bitmap_print_value_set.
4633 (compute_avail): Handle RETURN_EXPR.
4634 (init_pre): Modify for bitmapped sets.
4635 * tree-flow.h (has_stmt_ann): New function.
4637 2006-10-29 Roger Sayle <roger@eyesopen.com>
4639 * builtins.c (fold_builtin_floor): Check for the availability of
4640 the C99 trunc function before transforming floor into trunc.
4642 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4644 * builtins.c (fold_builtin_hypot): Rearrange recursive
4645 transformation before others, and also do ABS_EXPR. When
4646 necessary, check flag_unsafe_math_optimizations. When necessary,
4649 2006-10-29 Roger Sayle <roger@eyesopen.com>
4651 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4652 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4653 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4654 Fold -X eq/ne -Y as X eq/ne Y.
4656 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4658 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4659 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4660 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4661 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4662 Use an inclusive test for "mult" rather than "mul".
4663 (rotr<mode>3): Depend on ISA_HAS_ROR.
4664 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4666 (GENERATE_MULT3_DI): Delete.
4667 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4668 (ISA_HAS_MUL3): New macro.
4669 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4670 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4671 (ISA_HAS_CLZ_CLO): Likewise.
4672 (ISA_HAS_DCLZ_DCLO): Delete.
4673 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4674 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4675 the VR4120 and VR4130.
4676 (ISA_HAS_MACCHI): Use consistent formatting.
4677 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4678 (ISA_HAS_ROR): ...this new macro.
4679 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4680 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4681 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4683 2006-10-29 Roger Sayle <roger@eyesopen.com>
4685 PR tree-optimization/15458
4686 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4689 2006-10-29 Richard Guenther <rguenther@suse.de>
4691 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4692 (ix86_expand_truncdf_32): Likewise.
4693 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4694 trunc inline for SSE math and -fno-trapping-math and if not
4695 optimizing for size.
4696 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4697 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4698 for expanding btrunc inline for SSE math.
4700 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4702 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4703 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4704 i[34567]86-*-solaris2.1[0-9]*.
4705 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4706 Define conditionally depending on TARGET_64BIT_DEFAULT.
4707 (SPEC_32, SPEC_64): Define.
4708 (LINK_SPEC): Use them.
4709 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4711 2006-10-29 Richard Guenther <rguenther@suse.de>
4713 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4714 (ix86_expand_rounddf_32): Likewise.
4715 * config/i386/i386.c (ix86_expand_round): New function expanding
4716 round inline for SSE math and -fno-trapping-math and if not
4717 optimizing for size.
4718 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4719 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4720 round via ix86_expand_round.
4722 2006-10-29 Richard Guenther <rguenther@suse.de>
4724 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4725 (ix86_expand_floorceildf_32): Likewise.
4726 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4727 static helper function.
4728 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4730 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4731 * config/i386/i386.md (floordf2): Adjust to enable floor
4732 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4733 -fno-trapping-math is enabled and if not optimizing for size.
4734 (floorsf2, ceildf2, ceilsf2): Likewise.
4735 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4736 (sse2_maskcmpdf3): Likewise.
4738 2006-10-29 Richard Guenther <rguenther@suse.de>
4740 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4741 rint in case -fno-trapping-math is enabled.
4742 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4743 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4744 (ix86_expand_sse_fabs): Likewise.
4745 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4746 * config/i386/i386.md (rintdf2): Enable for SSE math if
4747 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4748 (rintsf2): Likewise.
4750 2006-10-29 Richard Guenther <rguenther@suse.de>
4752 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4753 to conversion optabs.
4754 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4755 as conversion optab.
4756 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4757 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4758 (lfloor_optab, lceil_optab): Adjust defines.
4759 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4760 lfloor and lceil optabs now being conversion optabs.
4761 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4762 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4763 New static helper function.
4764 (ix86_expand_lfloorceil): New function to expand lfloor and
4766 * config/i386/i386.md (lfloor<mode>2): Split into ...
4767 (lfloorxf<mode>2): ... x87 variant
4768 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4769 using ix86_expand_lfloorceil.
4770 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4772 * doc/md.texi (lfloorMN, lceilMN): Document.
4774 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4776 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4777 -mno-shared assembler option on mips targets.
4778 * configure, config.in: Regenerate.
4779 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4780 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4781 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4783 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4785 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4786 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4788 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4790 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4791 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4794 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4797 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4798 (fold_builtin_pow): Evaluate constant arguments at compile-time
4800 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4801 (do_mpfr_ckconv): New helper function.
4802 (do_mpfr_arg1): Use do_mpfr_ckconv.
4803 (do_mpfr_arg2): New.
4805 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4808 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4809 (-fdump-rtl-sched): Rename to ..
4810 (-fdump-rtl-sched1): here. Also fix file extension number.
4812 2006-10-28 Richard Guenther <rguenther@suse.de>
4814 * fold-const.c (maybe_canonicalize_comparison): Fix code
4817 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4819 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4820 (NON_QI_REG_P): Use IN_RANGE.
4821 (REX_INT_REGNO_P): Use IN_RANGE.
4822 (FP_REGNO_P): Use IN_RANGE.
4823 (SSE_REGNO_P): Use IN_RANGE.
4824 (REX_SSE_REGNO_P): Use IN_RANGE.
4825 (MMX_REGNO_P): Use IN_RANGE.
4826 (STACK_REGNO_P): New macro.
4827 (STACK_REG_P): Use STACK_REGNO_P.
4828 (NON_STACK_REG_P): Use STACK_REGNO_P.
4829 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4830 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4831 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4832 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4833 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4835 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4837 * except.h (output_function_exception_table): Add 'const char*' param.
4838 * except.c (switch_to_exception_section): Add 'const char*' param.
4839 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4840 and flag_function_sections is set, use a function-specific section.
4841 (output_function_exception_table): Add 'const char*' param.
4842 Adjust call to switch_to_exception_section.
4843 * final.c (rest_of_handle_final): Adjust calls to
4844 output_function_exception_table.
4845 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4846 * config.in: Regenerate.
4847 * configure: Likewise.
4849 2006-10-28 Richard Guenther <rguenther@suse.de>
4852 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4853 for maybe_canonicalize_comparison.
4854 (maybe_canonicalize_comparison): New function for canonicalizing
4856 (fold_comparison): Call it to canonicalize comparisons with
4859 2006-10-28 Richard Guenther <rguenther@suse.de>
4862 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4863 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4864 (expand_builtin): Adjust likewise.
4865 * genopinit.c (optabs[]): Add lround optab.
4866 * optabs.c (init_optabs): Initialize lround_optab.
4867 * optabs.h (enum convert_optab_index): Add COI_lround.
4868 (lround_optab): Define.
4869 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4870 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4872 (ix86_expand_lround): New function.
4873 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4875 * doc/md.texi (lroundMN2): Document.
4877 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4880 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4881 argument to HOST_WIDE_INT. Update function prototype.
4882 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4883 "size" argument to HOST_WIDE_INT. Update function prototype.
4885 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4887 * config/i386/i386.c (output_387_ffreep): Create output from a
4888 template string for !HAVE_AS_IX86_FFREEP.
4890 2006-10-27 Eric Christopher <echristo@apple.com>
4892 * config/darwin.c: Fix formatting and grammar.
4894 2006-10-27 Jan Hubicka <jh@suse.cz>
4896 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4897 to be thrown away soon when IGNORE is set.
4898 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4899 indicating when return value shall not be computed.
4900 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4902 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4904 * config/i386/i386.h (TARGET_GEODE):
4905 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4906 (TARGET_CPU_DEFAULT_geode): New macro.
4907 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4908 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4909 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4910 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4911 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4913 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4914 (processor_type): Add PROCESSOR_GEODE.
4916 * config/i386/i386.md: Include geode.md.
4919 * config/i386/i386.c (geode_cost): New initialized global
4921 (m_GEODE, m_K6_GEODE): New macros.
4922 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4923 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4924 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4925 x86_schedule): Use m_K6_GEODE instead of m_K6.
4926 (x86_movx, x86_cmove): Set up m_GEODE.
4927 (x86_integer_DFmode_moves): Clear m_GEODE.
4928 (processor_target_table): Add entry for geode.
4929 (processor_alias_table): Ditto.
4931 * config/i386/geode.md: New file.
4933 * doc/invoke.texi: Add entry about geode processor.
4935 2006-10-27 Mike Stump <mrs@apple.com>
4937 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4938 __DYNAMIC__ from here back to ...
4939 * config/darwin.h (CPP_SPEC): ... here.
4941 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4942 Nathan Sidwell <nathan@codesourcery.com>
4944 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4945 when choosing the minimum heapsize.
4947 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4949 * gcc/unwind-dw2.h: Move cfa-related variables into
4950 struct frame_state_reg_info to ensure that the CFA is properly
4951 handled when executing DW_CFA_{remember,restore}_state.
4952 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4953 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4954 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4955 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4956 gcc/config/rs6000/linux-unwind.h,
4957 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4958 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4959 Modify to use new cfa_* fields.
4961 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4963 * config/s390/s390.c (s390_init_frame_layout): Check positive
4966 2006-10-26 Ben Elliston <bje@au.ibm.com>
4968 * gimplify.c (get_name): Remove extraneous break.
4969 (gimplify_omp_for): Initialise ret with GS_OK.
4971 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4973 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4974 Add unix98.o to link line.
4976 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4979 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4980 Calculate compile-time constants using MPFR.
4981 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4982 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4984 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4986 * config/xtensa/lib2funcs.S: Use C-style comments.
4988 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4990 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4991 (file_table_relative_p): Likewise.
4992 (dwarf2out_finish): Likewise.
4993 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4995 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4997 * tree-ssa-structalias.c (intra_create_variable_infos):
4998 Don't recreate nonlocal_all if it already exists.
5000 2006-10-25 Richard Guenther <rguenther@suse.de>
5003 * optabs.h (enum optab_index): Remove OTI_lrint.
5004 (enum convert_optab_index): Add COI_lrint.
5005 (lrint_optab): Adjust.
5006 (expand_sfix_optab): Declare.
5007 * optabs.c (expand_sfix_optab): New function.
5008 (init_optabs): Init lrint_optab as conversion optab.
5009 * genopinit.c (lrint_optab): Change to a conversion optab.
5010 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5011 expansion via conversion optab.
5012 * config/i386/i386.md (*fistdi2_1): Remove
5013 flag_unsafe_math_optimizations guard.
5014 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5015 fist<mode>2_with_temp): Likewise.
5016 (lrint<mode>2): Split into...
5017 (lrintxf<mode>2): ... x87 part
5018 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5019 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5020 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5021 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5022 * doc/md.texi (lrintMN2): Document.
5024 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5027 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5028 Use inc and dec instructions for TARGET_USE_INCDEC.
5029 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5030 ("sync_double_compare_and_swap<mode>"): Likewise.
5031 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5032 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5033 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5034 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5035 ("sync_old_add<mode>"): Likewise.
5036 ("sync_lock_test_and_set<mode>"): Likewise.
5037 ("sync_lock_test_and_set<mode>"): Likewise.
5038 ("sync_add<mode>"): Likewise.
5039 ("sync_sub<mode>"): Likewise.
5040 ("sync_ior<mode>"): Likewise.
5041 ("sync_and<mode>"): Likewise.
5042 ("sync_xor<mode>"): Likewise.
5044 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5046 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5047 (remainder_optab): Define corresponding macro.
5048 (drem_optab): Remove.
5049 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5050 drem_optab initialization.
5051 * genopinit.c (optabs): Implement remainder_optab using
5052 remainder?f3 patterns. Remove drem_optab.
5053 * builtins.c (expand_builtin_mathfn_2): Handle
5054 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5055 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5056 expand_builtin_mathfn_2.
5058 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5059 depend on flag_unsafe_math_optimizations.
5061 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5062 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5063 Do not depend on flag_unsafe_math_optimizations. Use
5064 truncxf?f expander instead of truncxf?f_i387_noop.
5066 ("fpremxf4", "fprem1xf4"): Do not depend on
5067 flag_unsafe_math_optimizations.
5068 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5069 flag_unsafe_math_optimizations. Use truncxf?f expander
5070 instead of truncxf?f_i387_noop.
5072 * doc/md.texi (fmod, remainder): Document standard named pattern.
5074 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5075 David Daney <ddaney@avtrex.com>
5078 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5080 2006-10-25 Ben Elliston <bje@au.ibm.com>
5082 * doc/extend.texi (Variable Attributes): Typo fix.
5084 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5086 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5087 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5088 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5089 (FRAME_POINTER_REGNUM): Update register number to 21.
5090 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5091 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5093 * config/i386/i386.c (regclass_map): Add fpcr entry.
5094 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5096 (print_reg): Assert REGNO (x) != FPCR_REG.
5098 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5099 (DIRFLAG_REG): Renumber.
5100 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5101 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5102 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5103 hardcoded SSE register numbers.
5105 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5106 hardcoded MMX register numbers.
5108 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5111 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5112 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5114 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5115 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5116 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5117 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5119 2006-10-24 Richard Guenther <rguenther@suse.de>
5122 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5123 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5124 for deciding optimizations in consistency with fold-const.c
5125 (fold_builtin_unordered_cmp): Likewise.
5127 2006-10-24 Richard Guenther <rguenther@suse.de>
5129 * builtins.c (fold_builtin_floor): Fold floor (x) where
5130 x is nonnegative to trunc (x).
5131 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5132 nonnegative to FIX_TRUNC_EXPR.
5134 2006-10-24 Richard Guenther <rguenther@suse.de>
5136 PR tree-optimization/29567
5137 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5138 for TRUTH_NOT_EXPR. Clarify comments.
5140 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5143 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5144 at compile-time using MPFR. Change parameter VALUE to FUNC,
5146 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5147 for overflow and underflow at all times and avoid folding in
5150 2006-10-24 Ben Elliston <bje@au.ibm.com>
5152 * reload1.c: Formatting fixes.
5154 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5156 PR tree-optimization/14784
5157 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5158 * tree-ssa-structalias.c (get_constraint_for,
5159 intra_create_variable_infos): Set is_heapvar.
5160 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5161 non-heapvar pointer variables specially.
5163 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5166 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5167 fold_builtin_tan): Fold all constant arguments. Take a "type"
5168 argument as necessary.
5169 (do_mpfr_arg1): New.
5170 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5172 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5174 * config/xtensa/lib1funcs.asm: Use C-style comments.
5176 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5178 * tree.c (local_define_builtin): Replace calls to
5179 lang_hooks.builtin_function with add_builtin_function.
5180 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5182 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5184 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5185 common code to add_builtin_function.
5186 * langhooks.c (add_builtin_function): New function.
5187 (lhd_builtin_function): New function.
5188 * langhooks.h (struct lang_hooks): Change the signature of
5190 (add_builtin_function): New function.
5191 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5192 calls to lang_hooks.builtin_function with add_builtin_function.
5193 * c-common.c (decl_builtin_1): Replace calls to
5194 lang_hooks.builtin_function with add_builtin_function.
5195 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5196 lang_hooks.builtin_function with add_builtin_function.
5197 * config/frv/frv.c (def_builtin): Replace calls to
5198 lang_hooks.builtin_function with add_builtin_function.
5199 * config/s390/s390.c (s390_init_builtins): Replace calls to
5200 lang_hooks.builtin_function with add_builtin_function.
5201 * config/sparc/sparc.c (def_builtin): Replace calls to
5202 lang_hooks.builtin_function with add_builtin_function.
5203 * config/i386/i386.c (def_builtin): Replace calls to
5204 lang_hooks.builtin_function with add_builtin_function.
5205 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5206 lang_hooks.builtin_function with add_builtin_function.
5207 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5208 lang_hooks.builtin_function with add_builtin_function.
5209 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5210 Replace calls to lang_hooks.builtin_function with
5211 add_builtin_function.
5212 * config/iq2000/iq2000.c (def_builtin):
5213 Replace calls to lang_hooks.builtin_function with
5214 add_builtin_function.
5215 * config/ia64/ia64.c (def_builtin): Replace calls to
5216 lang_hooks.builtin_function with add_builtin_function.
5217 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5218 lang_hooks.builtin_function with add_builtin_function.
5219 (altivec_init_builtins): Replace calls to
5220 lang_hooks.builtin_function with add_builtin_function.
5221 * config/arm/arm.c (def_mbuiltin): Replace calls to
5222 lang_hooks.builtin_function with add_builtin_function.
5223 (arm_init_tls_builtins): Replace calls to
5224 lang_hooks.builtin_function with add_builtin_function.
5225 * config/mips/mips.c (mips_init_builtins): Replace calls to
5226 lang_hooks.builtin_function with add_builtin_function.
5227 * config/bfin/bfin.c (def_builtin): Replace calls to
5228 lang_hooks.builtin_function with add_builtin_function.
5229 * langhooks-def.h (lhd_builtin_function): New function.
5230 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5232 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5234 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5235 BUILT_IN_STRNCAT_CHK.
5237 2006-10-23 Jan Hubicka <jh@suse.cz>
5239 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5240 don't do conversion from memmove to memcpy here.
5241 (expand_builtin_bcopy, expand_builtin): Update call of
5242 expand_builtin_memmove.
5243 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5245 2006-10-23 Paul Brook <paul@codesourcery.com>
5247 * stor-layout.c (start_record_layout): maximum_field_alignment
5248 overrides STRUCTURE_SIZE_BOUNDARY.
5250 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5252 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5253 nonlocal function symbols if flag_pic.
5255 2006-10-23 Richard Guenther <rguenther@suse.de>
5259 * builtins.c (fold_binary): Remove checks for flag_wrapv
5260 and flag_trapv where negate_expr_p covers these cases.
5262 2006-10-23 Richard Guenther <rguenther@suse.de>
5265 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5266 of two on the absolute value.
5267 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5268 and negating -C does not overflow.
5270 2006-10-23 Richard Guenther <rguenther@suse.de>
5273 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5274 only if not flag_rounding_math.
5276 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5277 Kaz Kojima <kkojima@gcc.gnu.org>
5280 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5281 SImode memory reference for the source of a movua.
5282 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5283 (movua): Use an unspec instead of sign_extract. Expect the source
5284 to have mode BLKmode.
5285 (extv, insv): Use a BLKmode rather than SImode memory reference
5286 for the source of a movua.
5288 2006-10-22 Jeff Law <law@redhat.com>
5289 Richard Guenther <rguenther@suse.de>
5291 PR tree-optimization/15911
5292 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5293 (register_edge_assert_for_1): Likewise.
5294 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5295 (find_conditional_asserts): Adjust for new function signature.
5296 (find_assert_locations): Likewise.
5298 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5300 * config/i386/tmmintrin.h: Remove the duplicated content.
5302 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5304 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5305 (x86_64-*-*): Likewise.
5307 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5308 (override_options): Check SSSE3.
5309 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5310 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5311 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5312 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5313 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5314 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5315 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5316 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5317 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5318 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5319 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5320 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5321 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5322 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5323 IX86_BUILTIN_PABSD128.
5324 (bdesc_2arg): Add SSSE3.
5325 (bdesc_1arg): Likewise.
5326 (ix86_init_mmx_sse_builtins): Support SSSE3.
5327 (ix86_expand_builtin): Likewise.
5328 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5330 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5331 (UNSPEC_PSIGN): Likewise.
5332 (UNSPEC_PALIGNR): Likewise.
5333 Include mmx.md before sse.md.
5335 * config/i386/i386.opt: Add -mssse3.
5337 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5338 (ssse3_phaddwv4hi3): Likewise.
5339 (ssse3_phadddv4si3): Likewise.
5340 (ssse3_phadddv2si3): Likewise.
5341 (ssse3_phaddswv8hi3): Likewise.
5342 (ssse3_phaddswv4hi3): Likewise.
5343 (ssse3_phsubwv8hi3): Likewise.
5344 (ssse3_phsubwv4hi3): Likewise.
5345 (ssse3_phsubdv4si3): Likewise.
5346 (ssse3_phsubdv2si3): Likewise.
5347 (ssse3_phsubswv8hi3): Likewise.
5348 (ssse3_phsubswv4hi3): Likewise.
5349 (ssse3_pmaddubswv8hi3): Likewise.
5350 (ssse3_pmaddubswv4hi3): Likewise.
5351 (ssse3_pmulhrswv8hi3): Likewise.
5352 (ssse3_pmulhrswv4hi3): Likewise.
5353 (ssse3_pshufbv16qi3): Likewise.
5354 (ssse3_pshufbv8qi3): Likewise.
5355 (ssse3_psign<mode>3): Likewise.
5356 (ssse3_psign<mode>3): Likewise.
5357 (ssse3_palignrti): Likewise.
5358 (ssse3_palignrdi): Likewise.
5359 (abs<mode>2): Likewise.
5360 (abs<mode>2): Likewise.
5362 * config/i386/tmmintrin.h: New file.
5364 * doc/extend.texi: Document SSSE3 built-in functions.
5366 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5368 2006-10-22 Ira Rosen <irar@il.ibm.com>
5370 * tree-vect-transform.c (vectorizable_load): Use the type of the
5371 return value of the mask_for_load builtin to create realign_load
5374 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5376 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5379 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5381 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5382 (UNSPEC_LDDQU): This.
5383 * config/i386/sse.md (sse3_lddqu): Updated.
5385 2006-10-21 Richard Guenther <rguenther@suse.de>
5387 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5388 (expand_builtin): Use it to expand lrint instead of
5389 expand_builtin_mathfn.
5391 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5394 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5395 flag_unsafe_math_optimizations is set.
5397 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5400 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5401 patterns to use memory input operand in x87->mem->XMM
5402 reload sequences. Skip transformation for TARGET_K8.
5404 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5406 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5407 force operand1 to register if both operands are memory operands.
5408 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5409 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5410 if both operands are memory operands.
5411 (truncdfsf2): Do not force operand1 to register if both operands
5412 are memory operands.
5414 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5416 * Makefile.in (LIBS): Add $(GMPLIBS).
5417 * doc/install.texi: Update GMP and MPFR requirements.
5418 * doc/sourcebuild.texi (need_gmp): Delete.
5420 2006-10-21 Richard Guenther <rguenther@suse.de>
5422 PR tree-optimization/3511
5423 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5424 got new invariant arguments during PHI translation.
5426 2006-10-21 Richard Guenther <rguenther@suse.de>
5429 * fold-const.c (fold_comparison): Fold signed comparisons
5430 of the form X +- C1 CMP Y +- C2.
5432 2006-10-21 Richard Guenther <rguenther@suse.de>
5435 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5436 if flag_unsafe_math_optimizations is specified. We have
5437 flag_finite_math_only for that.
5438 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5439 or flag_unsafe_math_optimizations.
5441 2006-10-21 Richard Guenther <rguenther@suse.de>
5443 * builtins.c (fold_builtin_classify): Fix typo.
5445 2006-10-21 Richard Guenther <rguenther@suse.de>
5448 * simplify-rtx.c (simplify_const_relational_operation):
5449 Do not constant-fold ORDERED and UNORDERED for
5450 flag_unsafe_math_optimizations but only we do not need to
5451 honor NaNs for the given mode.
5453 2006-10-21 Richard Guenther <rguenther@suse.de>
5456 * config/i386/i386.c (classify_argument): Remove redundant
5457 walking of the BINFOs.
5458 (contains_128bit_aligned_vector_p): Likewise.
5460 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5462 * BASE-VER: Set to 4.3.0.
5464 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5466 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5467 (tree_decl_with_vis): Remove artificial_pta_var flag.
5468 * tree-flow.h (referenced_var_check_and_insert): Expose.
5469 (nonlocal_all): New prototype.
5470 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5471 (nonlocal_all): Make global.
5472 (nonlocal_lookup): Remove.
5473 (nonlocal_insert): Ditto.
5474 (create_nonlocal_var): Do not call nonlocal_insert.
5475 (get_nonlocal_id_for_type): Remove.
5476 (find_global_initializers): Mark new vars we find for renaming.
5477 (intra_create_variable_infos): Only create one nonlocal.
5478 (expand_nonlocal_solutions): Remove.
5479 (compute_points_to_sets): Don't call it.
5480 (ipa_pta_execute): Ditto.
5481 (init_alias_heapvars): Don't create nonlocal_for_type.
5482 (delete_alias_heapvars): Don't remove it.
5483 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5486 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5488 * doc/install.texi (Downloading GCC): Clarify mention of
5489 Fortran in the "full distribution" description.
5491 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5493 Fix PR tree-optimization/28778
5494 Fix PR tree-optimization/29156
5495 Fix PR tree-optimization/29415
5496 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5497 (tree_decl_with_vis): Add artificial_pta_var flag.
5498 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5499 pushed into callers.
5500 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5501 (nonlocal_all): Ditto.
5502 (struct variable_info): Add directly_dereferenced member.
5503 (var_escaped_vars): New variable.
5504 (escaped_vars_tree): Ditto.
5505 (escaped_vars_id): Ditto.
5506 (nonlocal_vars_id): Ditto.
5507 (new_var_info): Set directly_dereferenced.
5508 (graph_size): New variable
5509 (build_constraint_graph): Use graph_size.
5510 (solve_graph): Don't process constraints that cannot change the
5511 solution, don't try to propagate an empty solution to our
5513 (process_constraint): Set directly_dereferenced.
5514 (could_have_pointers): New function.
5515 (get_constraint_for_component_ref): Don't process STRING_CST.
5516 (nonlocal_lookup): New function.
5517 (nonlocal_insert): Ditto.
5518 (create_nonlocal_var): Ditto.
5519 (get_nonlocal_id_for_type): Ditto.
5520 (get_constraint_for): Allow results vector to be empty in the case
5521 of string constants.
5522 Handle results of calls properly.
5523 (update_alias_info): Update alias info stats on number and type of
5525 (find_func_aliases): Use could_have_pointers.
5526 (make_constraint_from_escaped): Renamed from
5527 make_constraint_to_anything, and changed to make constraints from
5529 (make_constraint_to_escaped): New function.
5530 (find_global_initializers): Ditto.
5531 (create_variable_info_for): Make constraint from escaped to any
5532 global variable, and from any global variable to the set of
5534 (intra_create_variable_infos): Deal with escaped instead of
5535 pointing to anything.
5536 (set_uids_in_ptset): Do type pruning on directly dereferenced
5538 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5539 (init_base_vars): Fix comment, and initialize escaped_vars.
5540 (need_to_solve): Removed.
5541 (find_escape_constraints): New function.
5542 (expand_nonlocal_solutions): Ditto.
5543 (compute_points_to_sets): Call find_escape_constraints and
5544 expand_nonlocal_solutions.
5545 (delete_points_to_sets): Don't fall off the end of the graph.
5546 (init_alias_heapvars): Initialize nonlocal_for_type and
5548 (delete_alias_heapvars): Free nonlocal_for_type and null out
5551 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5553 * fold-const.c (add_double): Rename to add_double_with_sign.
5554 Add 'unsigned_p' parameter and take it into account for the overflow.
5555 (mul_double): Rename to mul_double_with_sign.
5556 Add 'unsigned_p' parameter and take it into account for the overflow.
5557 (fold_div_compare): Call add_double_with_sign instead of add_double
5558 and mul_double_with_sign instead of mul_double, passing them the
5559 unsignedness of the type.
5560 * tree.h (add_double): Macroize.
5561 (add_double_with_sign): New prototype.
5562 (mul_double): Macroize.
5563 (mul_double_with_sign): New prototype.
5565 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5567 * config/score/crti.asm: New file.
5568 * config/score/crtn.asm: New file.
5569 * config/score/elf.h: New file.
5570 * config/score/mac.md: New file.
5571 * config/score/misc.md: New file.
5572 * config/score/mul-div.S: New file.
5573 * config/score/predicates.md: New file.
5574 * config/score/score7.md: New file.
5575 * config/score/score.c: New file.
5576 * config/score/score-conv.h: New file.
5577 * config/score/score.h: New file.
5578 * config/score/score.md: New file.
5579 * config/score/score-mdaux.c: New file.
5580 * config/score/score-mdaux.h: New file.
5581 * config/score/score-modes.def: New file.
5582 * config/score/score.opt: New file.
5583 * config/score/score-protos.h: New file.
5584 * config/score/score-version.h: New file.
5585 * config/score/t-score-elf: New file.
5586 * config.gcc: Add score*-*-* configurations(Update before).
5587 * doc/invoke.texi (Score Options): New section.
5588 * doc/md.texi (Score family): New section to document constraints.
5590 2006-10-19 Nick Clifton <nickc@redhat.com>
5592 * config/arm/arm.c: Fix spelling typo.
5594 2006-10-18 Tom Tromey <tromey@redhat.com>
5596 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5598 2006-10-18 Jan Hubicka <jh@suse.cz>
5601 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5604 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5606 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5607 TSI_SAME_STMT, since that's the desired entity.
5609 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5611 * config/s390/contraints.md: New file.
5612 * config/s390/s390-protos.h (s390_mem_constraint,
5613 s390_O_constraint_str, s390_N_constraint_str,
5614 s390_float_const_zero_p): Function prototypes added.
5615 * config/s390/s390.c (s390_extra_constraint_str,
5616 s390_const_double_ok_for_constraint_p,
5617 s390_const_ok_for_constraint_p): Functions removed.
5618 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5619 s390_float_const_zero_p): New functions.
5620 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5621 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5622 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5623 Macro definitions removed.
5624 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5625 s390_extra_constraint_str): Functions removed.
5627 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5628 Richard Sandiford <richard@codesourcery.com>
5631 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5632 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5634 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5636 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5637 (DWARF2_FRAME_REG_OUT): Likewise.
5638 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5639 (DWARF2_FRAME_REG_OUT): Likewise.
5641 2006-10-17 Paul Brook <paul@codesourcery.com>
5643 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5645 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5647 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5648 Standardize on "GNU Fortran" as the official name of the Fortran
5651 2006-10-16 Mike Stump <mrs@apple.com>
5653 * doc/invoke.texi (Darwin Options): Document -mkernel.
5654 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5656 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5657 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5658 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5659 (OS_MISSING_ALTIVEC): Add.
5660 * config/i386/i386.c (override_options): Add
5661 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5662 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5663 -mkernel, -static or -mdynamic-no-pic is given.
5664 (C_COMMON_OVERRIDE_OPTIONS): Add.
5665 * config/darwin.opt (fapple-kext): Add.
5667 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5668 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5670 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5671 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5672 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5673 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5674 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5675 (flag_mkernel): Add.
5676 (flag_apple_kext): Add.
5677 (TARGET_KEXTABI): Add.
5678 * config/darwin.c (darwin_handle_kext_attribute): Add.
5679 (DARWIN_VTABLE_P): Add.
5680 (darwin_binds_local_p): Add partial support for rebinding vtables
5682 (darwin_kextabi_p): Add.
5683 (darwin_override_options): Add.
5684 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5685 (darwin_kextabi_p): Add.
5686 (darwin_override_options): Add.
5687 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5688 __DYNAMIC__ and __STATIC__ here.
5690 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5692 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5693 Added mention of "make pdf" target, and Texinfo requirements for
5696 2006-10-16 DJ Delorie <dj@redhat.com>
5698 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5699 into the GOT in case we need a subreg of the address.
5701 2006-10-16 Richard Guenther <rguenther@suse.de>
5704 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5705 SSE builtin documentation. Document SSE2 builtins.
5707 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5709 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5710 symbol in the output file for non-shared links when -nostdlib or
5711 -nodefaultlibs isn't specified.
5713 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5714 posix thread support.
5716 2006-10-15 Jan Hubicka <jh@suse.cz>
5719 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5720 declared always_inline even when not inlining.
5722 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5723 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5724 Andrew Pinski <pinskia@gmail.com>
5727 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5729 2006-10-15 Jan Hubicka <jh@suse.cz>
5730 Richard Guenther <rguenther@suse.de>
5733 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5734 process_function_and_variable_attributes on all variables, including
5735 those discovered during cgraph construction phase.
5737 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5739 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5741 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5743 * config/i386/athlon.md (athlon_fist): Add fisttp.
5745 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5746 Ian Lance Taylor <ian@airs.com>
5749 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5750 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5753 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5755 * config/score/score.c, config/score/score.h: Fix comment
5758 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5761 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5764 2006-10-13 Eric Christopher <echristo@apple.com>
5766 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5768 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5771 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5772 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5773 alignment supported by 32-bit ELF.
5775 2006-10-13 Eric Christopher <echristo@apple.com>
5777 * config/darwin.c (darwin_emit_unwind_label): Strip
5778 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5780 2006-10-13 Richard Guenther <rguenther@suse.de>
5782 PR tree-optimization/29446
5783 * tree-vrp.c (fix_equivalence_set): Remove.
5784 (extract_range_from_assert): Do not call fix_equivalence_set.
5785 (debug_value_range): Print a newline.
5786 (compare_name_with_value): For equivalence sets with
5787 inconsistent value ranges conservatively bail out.
5788 (compare_names): Likewise.
5790 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5792 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5793 and MPFR for gfortran.
5795 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5797 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5798 alignment supported by 32-bit ELF.
5800 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5804 * c-typeck.c (digest_init): Always allow initializing vectors
5805 that have static storage duration with compound literals.
5806 * tree.c (build_type_attribute_qual_variant): New, based on
5807 build_type_attribute_variant.
5808 (build_type_attribute_variant): Rewrite using the former.
5809 (make_vector_type): Use build_type_attribute_qual_variant to build
5810 type variants. Use type_hash_canon on the others.
5812 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5813 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5815 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5817 2006-10-12 Jan Hubicka <jh@suse.cz>
5820 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5821 current_function_decl is set but current_function_scope is not.
5823 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5825 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5826 emit_insn to emit eh_return_internal instruction.
5827 (eh_return_internal): Explicitly set pc.
5829 2006-10-11 Richard Guenther <rguenther@suse.de>
5831 PR tree-optimization/28230
5832 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5833 to the correct place.
5835 2006-10-11 Richard Guenther <rguenther@suse.de>
5838 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5841 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5843 * configure.ac: Added pdf to "Make-hooks"
5844 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5845 targets and *.pdf file patterns in cleanup targets.
5846 * configure: Regenerated.
5848 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5850 * config/avr/predicates.md: New file.
5851 * config/avr/avr.md: Include it.
5852 (REG_SP): New constant.
5853 (peepholes): Use predicates.
5854 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5855 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5856 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5858 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5860 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5863 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5866 * builtins.c (var_decl_component_p): New function.
5867 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5868 single entry optimization to variables and components thereof.
5870 2006-10-10 Richard Guenther <rguenther@suse.de>
5872 PR rtl-optimization/29323
5873 * except.c (set_nothrow_function_flags): For functions
5874 that do not bind local bail out early.
5876 2006-10-10 Ben Elliston <bje@au.ibm.com>
5878 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5881 2006-10-09 Richard Henderson <rth@redhat.com>
5883 Revert emutls patch.
5885 2006-10-09 Richard Guenther <rguenther@suse.de>
5888 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5891 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5894 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5895 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5896 * configure: Regenerate.
5897 * config.in: Regenerate.
5899 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5901 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5903 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5905 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5906 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5907 Remove stray newline.
5909 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5911 * config/mips/mips.c (mips_classify_symbol): Do not return
5912 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5913 (mips_in_small_data_p): Tweak comments.
5915 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5917 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5919 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5921 * gimplify.c, sched-int.h: Fix comment typos.
5923 * sched-int.h: Fix comment typos.
5925 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5927 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5929 * sched-ebb.c (begin_schedule_ready): Use them.
5930 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5931 add_to_speculative_block, create_check_block_twin, speculate_insn,
5932 fix_jump_move, move_block_after_check): Ditto.
5933 * sched-rgn.c (new_ready): Ditto.
5935 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5937 PR rtl-optimization/29128
5938 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5939 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5940 allow interblock movement of speculation checks.
5942 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5945 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5946 casted to integer type.
5947 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5948 if they are significantly more expensive than [reg + index] ones.
5950 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5952 PR tree-optimization/29330
5953 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5954 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5955 on newly allocated ddrs.
5956 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5957 to VEC (loop_p, heap) pointer.
5958 (compute_data_dependences_for_loop): Adjust caller.
5959 (free_dependence_relations): Free DDR_LOOP_NEST.
5961 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5962 free DEPENDENCE_RELATIONS and DATAREFS.
5965 * builtins.c (expand_builtin_sync_operation,
5966 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5967 Use convert_to_mode to handle promoted arguments.
5969 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5971 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5973 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5975 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5977 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5979 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5980 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5981 Use <modeconstraint> instead of "r" as operand 1 constraint.
5983 2006-10-06 Olivier Hainque <hainque@adacore.com>
5985 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5986 Don't recurse on the pointed-to type.
5987 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5988 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5989 types with components of variable size.
5991 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5993 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5995 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5997 PR tree-optimization/29290
5998 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6002 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6003 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6006 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6007 the number of vector elements fill the rest with zeros.
6009 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6011 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6012 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6015 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6017 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6018 unnamed pattern into subsi3. Use correct constraints/predicates.
6019 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6020 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6022 2006-10-05 Ira Rosen <irar@il.ibm.com>
6024 * doc/loop.texi: Add data references analysis description.
6026 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6028 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6030 2006-10-04 Richard Henderson <rth@redhat.com>
6031 Jakub Jelinek <jakub@redhat.com>
6033 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6034 * builtin-types.def (BT_WORD): Make unsigned.
6035 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6036 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6037 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6038 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6039 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6040 * cgraph.c (decide_is_variable_needed): Look at force_output.
6041 Recurse for emulated tls.
6042 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6043 checks redundant with decide_is_variable_needed.
6044 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6045 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6047 * expr.c (emutls_var_address): New.
6048 (expand_expr_real_1): Expand emulated tls.
6049 (expand_expr_addr_expr_1): Likewise.
6050 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6051 * output.h (emutls_finish): Declare.
6052 * toplev.c (compile_file): Call it.
6053 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6054 address before wrapping in CONST.
6055 * varasm.c (emutls_htab, emutls_object_type): New.
6056 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6057 (get_emutls_object_name, get_emutls_object_type): New.
6058 (get_emutls_init_templ_addr, emutls_decl): New.
6059 (emutls_common_1, emutls_finish): New.
6060 (assemble_variable): When emulating tls, swap decls; generate
6061 constructor for the emutls objects.
6062 (do_assemble_alias): When emulating tls, swap decl and target name.
6063 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6065 * emutls.c: New file.
6066 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6067 tls_object for real tls.
6069 2006-10-04 Zack Weinberg <zackw@panix.com>
6071 Fix bug in constraint-check generator, reported by Rask Ingemann
6073 * genpreds.c (add_constraint): Don't remove anything from the
6075 (write_tm_constrs_h): Detect whether "op" argument is used, and
6076 mark it ARG_UNUSED if it isn't.
6077 (write_insn_const_int_ok_for_constraint): Skip the part of the
6078 expression that would test whether "op" (which is not available
6079 here) is a CONST_INT.
6081 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6084 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6086 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6088 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6089 current Leopard versions.
6090 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6092 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6094 * doc/install.texi: Fix typos.
6096 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6098 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6099 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6100 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6102 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6104 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6105 arg to be struct mach_header_64* instead.
6107 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6110 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6111 side effects after the outer expression's post side effects.
6113 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6115 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6116 comments to reflect actual behavior and relationship between
6117 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6119 * doc/c-tree.texi (Working with declarations): Fix documentation
6120 of FIELD_DECL likewise.
6122 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6125 * doc/extend.texi: Add used variable attribute description.
6127 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6130 * c.opt (Woverride-init): New.
6131 * c-opts.c (c_common_post_options): Default warn_override_init to
6133 * c-typeck.c (add_pending_init, output_init_element): Warn for
6134 overriding initializers without side effects.
6135 * doc/invoke.texi (-Woverride-init): Document.
6138 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6140 PR rtl-optimization/28096
6141 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6142 assignment has already been used as a destination earlier in the block.
6144 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6146 * builtins.c (expand_builtin_setjmp): Delete.
6147 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6148 <BUILT_IN_SETJMP_SETUP>: New case.
6149 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6150 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6151 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6152 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6153 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6154 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6155 (lower_function_body): Initialize it to false. If it is set to true
6156 at the end of the processing, emit the setjmp dispatcher.
6157 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6158 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6159 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6160 on the rhs of the assignment.
6161 (lower_builtin_setjmp): New function.
6162 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6163 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6164 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6165 to detect calls that can go to non-local labels. Use specific
6166 helper to create the abnormal edges associated with them.
6167 <MODIFY_EXPR>: Likewise.
6168 (make_abnormal_goto_edges): New function extracted from...
6169 (make_goto_expr_edges): ...here. Call it for computed gotos.
6170 (simple_goto_p): Minor tweak.
6171 (tree_can_make_abnormal_goto): New predicate.
6172 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6173 (tree_purge_dead_abnormal_call_edges): New function.
6174 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6175 (tree_purge_dead_abnormal_call_edges): Likewise.
6176 (make_abnormal_goto_edges): Likewise.
6177 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6178 Purge all dead abnormal edges if the call was in the last statement.
6179 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6180 (execute_fixup_cfg): If there are non-local labels in the function,
6181 scan the basic blocks and split them at calls that can go to non-local
6182 labels or add missing abnormal call edges. Write down the CFG in the
6184 (pass_fixup_cfg): Remove TODO_dump_func flag.
6185 * unwind-sjlj.c: Poison setjmp.
6186 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6187 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6188 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6189 (DONT_USE_BUILTIN_SETJMP): Document it.
6191 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6194 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6195 to 1 when __ppc64__ is defined.
6196 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6198 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6200 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6202 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6203 * config/ia64/unwind-hpux.c: Delete.
6205 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6207 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6208 on the element before gimplifying it, instead of punting if it is of
6211 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6213 * doc/loop.texi: New file.
6214 * doc/gccint.texi: Reference loop.texi.
6215 * Makefile.in (loop.texi): Add.
6217 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6219 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6221 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6222 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6224 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6226 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6228 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6230 * doc/install.texi: Document required versions of GMP and MPFR.
6232 2006-09-27 Paul Brook <paul@codesourcery.com>
6235 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6237 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6239 * reload1.c (alter_reg): Require the alignment of the stack slot to
6240 be at least reg_max_ref_width bytes.
6241 (scan_paradoxical_subregs): Record the largest width in
6244 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6248 * tree-nested.c (struct nesting_info): Added static_chain_added.
6249 (convert_call_expr): Set static_chain_added when adding static
6250 chain. Handle OMP_PARALLEL and OMP_SECTION.
6252 2006-09-25 Matthias Klose <doko@debian.org>
6254 * doc/invoke.texi: Add missing full stop.
6256 2006-09-25 Richard Henderson <rth@redhat.com>
6258 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6259 before cgraph_function_flags_ready.
6261 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6262 Adam Nemet <anemet@caviumnetworks.com>
6264 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6265 determine_common_wider_type): New functions.
6266 (get_computation_aff): Use them to simplify arithmetic between
6267 UBASE and CBASE if they are shortened from the same type.
6269 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6272 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6273 -2147483647 - 1 instead of 0x80000000.
6275 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6277 * flags.h (HONOR_NANS): Fix typo in comment.
6279 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6281 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6283 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6287 * tree.c (merge_attributes, attribute_list_contained): If both
6288 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6290 * c-typeck.c (comptypes_internal): Don't consider aggregates
6291 in different TUs as compatible if there one set of attributes is
6292 not a subset of the other type's attributes.
6293 (composite_type): Try harder not to create a new aggregate type.
6295 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6297 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6298 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6299 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6300 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6301 than replicating condition above.
6302 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6304 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6305 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6306 the linker by default.
6308 2006-09-22 Mike Stump <mrs@apple.com>
6310 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6313 2006-09-22 Richard Guenther <rguenther@suse.de>
6316 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6317 sort of stack variables stable.
6319 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6322 * explow.c (force_reg): Set REG_POINTER flag according to
6325 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6327 PR tree-optimization/28888
6328 * tree-if-conv.c (combine_blocks): Rewritten.
6329 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6330 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6332 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6334 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6337 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6339 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6341 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6343 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6345 2006-09-21 Roger Sayle <roger@eyesopen.com>
6348 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6349 dw_fde_current_label, to be the start of the function, i.e. the same
6350 value as dw_fde_begin.
6352 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6354 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6355 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6356 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6357 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6358 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6359 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6360 (abs<mode>2, neg<mode>2): Likewise.
6361 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6362 (*mips_abs_ps): New define_insn.
6364 2006-09-20 Josh Conner <jconner@apple.com>
6367 * calls.c (expand_call): Allow reuse of structure return stack
6370 2006-09-20 Paul Brook <paul@codesourcery.com>
6372 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6375 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6377 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6378 clean up terminology.
6380 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6383 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6384 with tablejumps in them.
6386 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6389 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6390 wrap it into TARGET_EXPR.
6392 2006-09-20 Eric Christopher <echristo@apple.com>
6394 * config/i386/i386.c (x86_fisttp): Remove.
6395 * config/i386/i386.h (x86_fisttp): Ditto.
6396 (TARGET_FISTTP): Ditto.
6398 2006-09-19 Eric Christopher <echristo@apple.com>
6400 * doc/tm.texi (OBJC_JBLEN): Describe.
6401 * config/i386/darwin.h (OBJC_JBLEN): Define.
6402 * config/rs6000/darwin.h: Ditto.
6404 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6406 PR rtl-optimization/21299
6407 * reload1.c (reload): Purge invalid ASMs in the final pass.
6409 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6412 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6413 pointers as legitimate constants.
6415 2006-09-19 Paul Brook <paul@codesourcery.com>
6418 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6420 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6422 PR tree-optimization/28887
6423 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6424 component parts from the reference.
6425 (gather_memory_references_ref): Record the reference without the
6426 nonaddressable component parts.
6428 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6431 * c-opts.c (c_common_handle_option): Ignore the -std options
6432 if the input language is assembly.
6434 2006-09-17 Ira Rosen <irar@il.ibm.com>
6437 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6439 (ptr_ptr_may_alias_p): Likewise.
6440 (record_record_differ_p): New function.
6441 (base_object_differ_p): Call record_record_differ_p.
6443 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6446 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6447 away for the expr argument.
6449 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6452 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6453 before using it for dumping after vectorizing loops.
6455 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6456 Jack Howarth <howarth@bromo.med.uc.edu>
6459 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6460 skip on error_mark_node.
6461 (rs6000_darwin64_record_arg_recurse): Likewise.
6463 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6465 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6466 * doc/rtl.texi: Remove related documentation.
6468 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6470 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6473 2006-09-15 Jim Wilson <wilson@specifix.com>
6475 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6476 Handle symbol offsets same as they are handled in ia64_expand_move
6479 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6481 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6482 Add forgotten parameter to the fprintf call.
6484 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6486 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6488 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6490 * doc/contrib.texi: Add my entry.
6492 2006-09-15 Nick Clifton <nickc@redhat.com>
6494 * doc/md.texi (Processor pipeline description): Fix typo in
6495 example of how to use the absence_set directive and reword the
6496 description to make it slightly easier to read.
6498 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6500 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6501 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6502 expanding the number of iterations.
6503 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6505 * cfgrtl.c (emit_insn_at_entry): New function.
6506 * rtl.h (emit_insn_at_entry): Declare it.
6507 * integrate.c (emit_initial_value_sets): Use it.
6509 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6511 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6513 (struct loop_work and related VEC declarations): Delete.
6514 (bfin_dump_loops): Print out new member bad.
6515 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6516 (bfin_scan_loop): Don't recurse.
6517 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6518 loops. No longer need to update outer loops if the current one is
6519 found bad. Move some validitiy checks to bfin_discover_loop.
6520 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6521 but changed not to check for nesting. Also changed to use the new bad
6523 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6524 time. Use bitmap based test to discover loop nesting.
6526 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6528 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6531 2006-09-14 Richard Guenther <rguenther@suse.de>
6532 Kazu Hirata <kazu@codesourcery.com>
6534 PR middle-end/28884.
6535 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6536 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6537 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6538 with TARGET_FUNCTION_VALUE.
6540 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6543 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6545 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6547 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6550 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6553 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6556 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6558 * basic_block.h (bb_has_eh_pred): Fix comment.
6560 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6562 * flow.c (calculate_global_regs_live): Invalidate eh registers
6563 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6564 (propagate_block): Handle eh registers as if they were set at basic
6566 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6568 * global.c (global_conflicts): Make eh registers to conflict with
6569 pseudos live at basic block begin.
6570 * basic_block.h (bb_has_eh_pred): New function.
6572 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6574 PR rtl-optimization/28982
6575 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6576 index of a PRE_MODIFY or POST_MODIFY address.
6577 * reload1.c (inc_for_reload): Use find_replacement on the original
6578 base and index registers.
6580 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6582 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6583 for -Os. Update __m128 alignment requirement.
6585 2006-09-13 Jan Hubicka <jh@suse.cz>
6587 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6589 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6591 PR rtl-optimization/28243
6592 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6593 the insn to which the note was originally attached.
6595 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6596 Roger Sayle <roger@eyesopen.com>
6598 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6599 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6600 on platforms that don't use dwarf for debug info.
6602 2006-09-12 Jason Merrill <jason@redhat.com>
6605 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6606 hard_frame_pointer_rtx after using it to update the frame pointer.
6608 2006-09-12 Roger Sayle <roger@eyesopen.com>
6610 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6611 (TARGET_ASM_CLOSE_PAREN): Likewise.
6612 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6613 (TARGET_ASM_CLOSE_PAREN): Likewise.
6615 2006-09-12 Roger Sayle <roger@eyesopen.com>
6618 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6619 frame information for frames larger than 512 Kbytes on Tru64 when
6620 using the native assembler.
6622 2006-09-12 Roger Sayle <roger@eyesopen.com>
6626 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6627 and symbols. Instead use the implementation from cse.c's hash_rtx.
6629 2006-09-12 Jan Hubicka <jh@suse.cz>
6631 PR rtl-optimization/28071
6632 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6633 (vect_transform_loop): Likewise.
6634 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6635 (new_loop_vec_info): Likewise.
6636 (destroy_loop_vec_info): Likewise.
6637 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6638 (create_stmt_ann): Likewise.
6639 (create_tree_ann): Rename to ...
6640 (create_tree_common_ann): ... this one; allocate only the common part
6642 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6643 (get_value_handle): Likewise.
6644 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6645 get_tree_common_ann.
6646 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6647 (vinfo_for_stmt): Use stmt annotations.
6648 * tree-flow.h (tree_ann_common_t): New type.
6649 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6650 (tree_ann, get_tree_ann, create_tree_ann): New.
6651 * tree-flow-inline.h (get_function_ann): Do more type checking.
6652 (stmt_ann): Likewise.
6653 (tree_ann): Rename to ...
6654 (tree_common_ann): ... this one; return ony common_ann
6655 (get_tree_ann): Rename to ...
6656 (tree_common_ann): This one; return only common_ann.
6657 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6660 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6662 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6663 with_cpu by default.
6665 * dwarf2out.c (dwarf_file_data): New.
6666 (enum dw_val_class): Add dw_val_class_file.
6667 (struct dw_val_struct): Add val_file.
6668 (file_table): Change to a hash table.
6669 (file_table_emitted): Delete.
6670 (file_table_last_lookup_index): Delete.
6671 (emitcount): Delete.
6672 (last_emitted_file): New.
6673 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6674 (init_file_table): Delete.
6675 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6676 (AT_addr): Add comment.
6680 (print_die): Handle dw_val_class_file.
6681 (print_dwarf_line_table): Update for new file table structure.
6682 (attr_checksum): Do checksum a filename.
6683 (same_dw_val_p, same_attr_p): Do compare a filename.
6684 (size_of_die): Handle dw_val_class_file.
6685 (value_format): Likewise.
6686 (output_die): Likewise. Also, call maybe_emit_file here.
6687 (struct file_info): Constify filenames. Make file_idx a pointer
6688 to a struct dwarf_file_data.
6689 (struct dir_info): Constify directory names. Remove 'used' field.
6690 (struct file_name_acquire_data): New.
6691 (file_name_acquire): New.
6692 (output_file_names): Modify to handle new file data structures.
6693 (add_src_coords_attributes): Use add_AT_file.
6694 (add_call_src_coords_attributes): Likewise.
6695 (dwarf2out_imported_module_or_decl): Likewise.
6696 (gen_subprogram_die): Modify for new file data structures.
6697 (gen_variable_die): Likewise.
6698 (file_table_eq): New.
6699 (file_table_hash): New.
6700 (file_table_last_lookup): New.
6701 (lookup_filename): Rewrite to handle new file data structures.
6702 (maybe_emit_file): Rewrite to handle new file data structures.
6703 (dwarf2out_source_line): Always call lookup_filename and
6705 (dwarf2out_init): Create file_table here.
6706 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6707 (file_table_relative_p): New.
6708 (dwarf2out_finish): Change detection of relative filenames
6709 to work with new file data structures. Move output_line_info call
6710 after debug_info output.
6712 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6717 * config/i386/i386.c (override_options): Always default to 16
6718 byte stack boundary.
6720 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6723 * var-tracking.c (dump_dataflow_set): Start dumping at
6725 (clobber_variable_part): Kill only the variable part in
6726 registers holding it, leaving other variables alone.
6728 2006-09-11 Josh Triplett <josh@freedesktop.org>
6730 * doc/extend.texi (Other Builtins): Actually use the macro
6731 argument in the documentation example for
6732 __builtin_types_compatible_p.
6734 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6736 PR rtl-optimization/28726
6737 * sched-deps.c (sched_analyze_reg): New function extracted from...
6738 (sched_analyze_1): ...here. Call it to analyze references to
6739 registers. Treat again writes to a stack register as writing to the
6741 (sched_analyze_2): ...and here. Call it to analyze references to
6742 registers. Treat again reads of a stack register as reading the
6745 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6746 David Edelsohn <edelsohn@gnu.org>
6749 * config/rs6000/spe.md (frob_df_di): Remove %H.
6750 (frob_di_df): Remove %H. Change evmergelo to mr.
6751 (frob_di_df_2): Remove %H. Change evldd to two loads.
6753 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6755 * doc/cpp.texi: Fix names of charset options.
6757 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6760 * config/i386/i386.c (override_options): Use 128-bit
6761 stack boundary always for 64bits.
6763 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6765 PR rtl-optimization/28636
6766 * combine.c (force_to_mode): Test for side-effects before
6767 substituting by zero.
6768 (simplify_shift_const): Likewise for zero or other constants.
6770 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6773 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6776 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6779 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6780 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6781 returned by mode_for_size, rather than the mode of src itself,
6782 to choose between 32-bit and 64-bit patterns.
6783 (mips_mem_fits_mode_p): New function.
6784 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6785 that the size of the source matches the size of the destination.
6786 (mov_<store>l, mov_<store>r): Likewise.
6788 2006-09-10 Eric Christopher <echristo@apple.com>
6790 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6793 2006-09-09 Eric Christopher <echristo@apple.com>
6796 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6799 2006-09-09 Roger Sayle <roger@eyesopen.com>
6800 Nicolas Setton <setton@adacore.com>
6802 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6804 2006-09-10 Andreas Schwab <schwab@suse.de>
6806 * config/m68k/m68k.md (bungt_rev): New pattern.
6808 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6809 Dale Johannesen <dalej@apple.com>
6812 * regclass.c (struct reg_pref): Update documentation.
6813 (regclass): Set prefclass to NO_REGS if memory is the best option.
6814 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6816 2006-09-08 Eric Christopher <echristo@apple.com>
6818 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6819 * config/t-slibgcc-darwin: Support x86_64 multilib.
6820 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6821 Return 1 for x86_64-darwin.
6822 * config/i386/t-darwin: Add m64 multilib.
6823 (LIB2_SIDITI_CONV_FUNCS): Use.
6824 (LIB2FUNCS_EXTRA): Ditto.
6825 * config/i386/darwin.h: Support x86_64.
6826 * config/i386/i386.c (override_options): Turn on flag_pic
6827 for x86_64-darwin. Disable flag_omit_pointer.
6828 (get_pc_thunk_name): Assert !TARGET_64BIT.
6829 (legitimate_address_p): Disable machopic addressing for
6831 (legitimize_pic_address): Ditto.
6832 (ix86_expand_move): Ditto.
6833 (ix86_expand_call): Ditto.
6834 (machopic_output_stub): Ditto.
6835 * config/darwin.c (machopic_select_section): Support literal16.
6836 (machopic_select_rtx_section): Ditto.
6837 * config/darwin-sections.def: Ditto.
6838 * config/darwin-64.c: New.
6840 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6843 * c-tree.h (struct c_arg_info): Add pending_sizes.
6844 * c-parser.c (c_parser_parms_declarator,
6845 c_parser_parms_list_declarator): Initialize pending_sizes.
6846 * c-decl.c (get_parm_info): Initialize pending_sizes.
6847 (get_parm_info): Set pending_sizes.
6848 (grokdeclarator): Call put_pending_sizes for parameters for
6849 function definition only.
6851 2006-09-07 Jason Merrill <jason@redhat.com>
6854 * varasm.c (output_constant): Only strip actual no-op conversions.
6857 * config/i386/i386.c (override_options): Use 128-bit
6858 stack boundary if -msse.
6860 2006-09-07 Eric Christopher <echristo@apple.com>
6862 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6864 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6867 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6869 * dwarf2out.c: Remove strange characters from comment above
6870 dwarf2out_frame_debug_expr.
6872 2006-09-07 Eric Christopher <echristo@apple.com>
6874 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6875 * config/darwin.h: ... to here.
6877 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6879 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6881 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6882 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6884 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6885 TARGET_PARTIAL_FLAG_REG_STALL.
6886 (*ashldi3_cconly_rex64): Likewise.
6887 (*ashlsi3_cmp): Likewise.
6888 (*ashlsi3_cconly): Likewise.
6889 (*ashlsi3_cmp_zext): Likewise.
6890 (*ashlhi3_cmp): Likewise.
6891 (*ashlhi3_cconly): Likewise.
6892 (*ashlqi3_cmp): Likewise.
6893 (*ashlqi3_cconly): Likewise.
6894 (*ashrdi3_cmp_rex64): Likewise.
6895 (*ashrdi3_cconly_rex64): Likewise.
6896 (*ashrsi3_cmp): Likewise.
6897 (*ashrsi3_cconly): Likewise.
6898 (*ashrsi3_cmp_zext): Likewise.
6899 (*ashrhi3_cmp): Likewise.
6900 (*ashrhi3_cconly): Likewise.
6901 (*ashrqi3_cmp): Likewise.
6902 (*ashrqi3_cconly): Likewise.
6903 (*lshrdi3_cmp_rex64): Likewise.
6904 (*lshrdi3_cconly_rex64): Likewise.
6905 (*lshrsi3_cmp): Likewise.
6906 (*lshrsi3_cconly): Likewise.
6907 (*lshrsi3_cmp_zext): Likewise.
6908 (*lshrhi3_cmp): Likewise.
6909 (*lshrhi3_cconly): Likewise.
6910 (*lshrqi2_cmp): Likewise.
6911 (*lshrqi2_cconly): Likewise.
6913 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6916 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6917 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6918 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6919 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6920 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6921 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6922 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6923 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6924 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6925 implement only CC setting effects of shift instructions.
6927 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6929 * doc/contrib.texi: Add myself.
6931 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6934 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6935 was set by the user.
6937 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6940 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6941 (divsi_inv_m1): Use them.
6942 (UNSPEC_DIV_INV_TABLE): New constant.
6944 2006-09-06 James E Wilson <wilson@specifix.com>
6947 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6948 then call count_or_remove_death_notes.
6950 2006-09-06 Jason Merrill <jason@redhat.com>
6953 * tree-inline.c (copy_result_decl_to_var): New fn.
6954 (declare_return_variable): Use it. Call declare_inline_vars here.
6955 (expand_call_inline): Not here.
6957 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6959 * doc/contrib.texi: Update my entry.
6961 2006-09-06 Nick Clifton <nickc@redhat.com>
6963 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6965 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6968 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6969 (canonicalize_induction_variables): Likewise.
6970 (tree_unroll_loops_completely): Likewise.
6971 (tree_ssa_prefetch_arrays): Likewise.
6972 (remove_empty_loops): Likewise.
6973 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6974 TODO_cleanup_cfg instead of directly calling
6975 cleanup_tree_cfg_loop.
6976 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6978 (tree_unroll_loops_completely): Likewise.
6979 (remove_empty_loops): Likewise.
6980 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6981 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6982 of tree_ssa_unswitch_loops.
6983 (tree_ssa_loop_ivcanon): Use the return value of
6984 canonicalize_induction_variables.
6985 (tree_ssa_empty_loop): Use the return value of
6987 (tree_complete_unroll): Use the return value of
6988 tree_unroll_loops_completely.
6989 (tree_ssa_loop_prefetch): Use the return value of
6990 tree_ssa_prefetch_arrays.
6991 * passes.c (execute_todo): Before Cleanup CFG, set
6992 updating_used_alone and after cleanup CFG, call
6993 recalculate_used_alone.
6995 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6998 * tree-vect-transform.c (vectorizable_condition): Move the check
6999 for the type after the check for simple condition.
7001 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7002 Kaz Kojima <kkojima@gcc.gnu.org>
7005 * mode-switching.c (optimize_mode_switching): Make the destination
7006 block of an abnormal edge have no anticipatable mode. Don't
7007 insert mode switching code at the end of the source block of
7010 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7012 PR rtl-optimization/26847
7013 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7014 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7015 (simplify_plus_minus): Count n_constants while filling ops. Replace
7016 qsort with insertion sort. Before going through the array to simplify
7017 pairs, sort it. Delay early exit until after the first sort, exiting
7018 only if no swaps occurred. Simplify pairs in reversed order, without
7019 special-casing the first iteration. Pack ops after simplifying pairs.
7021 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7023 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7024 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7025 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7026 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7028 2006-09-05 Richard Guenther <rguenther@suse.de>
7030 PR tree-optimization/28900
7031 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7032 compound conditional before creating COND_EXPR condition.
7034 2006-09-05 Richard Guenther <rguenther@suse.de>
7036 PR tree-optimization/28905
7037 * tree-vrp.c (fix_equivalence_set): Manually implement
7038 !value_ranges_intersect_p to also handle symbolic ranges.
7040 2006-09-05 Richard Guenther <rguenther@suse.de>
7043 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7046 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7048 PR rtl-optimization/27616
7049 * cse.c (table_size): New static variable.
7050 (new_basic_block): Initialize it to 0.
7051 (remove_from_table): Decrement it.
7052 (insert): Increment it.
7053 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7054 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7055 fold_rtx_mem_1 if under the cap.
7056 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7057 the lookup of the equivalent expression and test for equality of the
7058 first operand of the equivalent expression before in turn looking up
7059 an equivalent constant for the second operand.
7061 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7064 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7065 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7066 pointer, instead of assuming it is possible to derive the
7067 correct args size from a call insn.
7069 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7072 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7073 (fold_builtin_mempcpy): Rename to...
7074 (fold_builtin_memory_op): ... this. Optimize one element copy
7076 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7078 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7079 (expand_builtin_memcpy, expand_builtin_mempcpy,
7080 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7081 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7082 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7083 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7085 2006-09-01 DJ Delorie <dj@redhat.com>
7087 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7088 (stzx_16): Likewise.
7089 ("stzx_24_<mode>"): Likewise.
7090 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7091 ("cmp<mode>_op"): New.
7092 (cmp<mode>): Change to expander; just save operands.
7094 (b<code>): Change to expander, emit compare here.
7095 (s<code>_op): Change to use split and expander.
7096 (s<code>_24_op): Likewise.
7097 (s<code>_<mode>): New.
7098 (s<code>_<mode>_24): New.
7099 (movqicc_<code>_<mode): New.
7100 (movhicc_<code>_<mode>): New.
7103 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7104 (m32c_pend_compare): New.
7105 (m32c_unpend_compare): New.
7106 (m32c_expand_scc): New.
7107 (m32c_expand_movcc): Emit the compare also.
7108 * config/m32c/predicates.md (mra_nopp_operand): New.
7110 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7111 Richard Guenther <rguenther@suse.de>
7112 Adam Nemet <anemet@caviumnetworks.com>
7115 * builtins.c (get_pointer_alignment): Handle more forms
7116 of base addresses that can be used to derive more precise
7117 information about alignment.
7119 2006-09-01 Jason Merrill <jason@redhat.com>
7122 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7125 * gimplify.c (voidify_wrapper_expr): Handle null type.
7127 2006-09-01 Josh Conner <jconner@apple.com>
7130 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7131 (execute_return_slot_opt): Use it.
7133 2006-08-31 Josh Conner <jconner@apple.com>
7136 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7137 returning aggregates.
7139 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7141 PR tree-optimization/28839
7142 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7143 blocks in that phi arguments appear.
7145 2006-08-31 Roger Sayle <roger@eyesopen.com>
7148 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7149 NULL, otherwise use an advance_loc4 to adjust relative to the
7151 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7152 (dwarf2out_switch_text_section): Reset the current label to avoid
7153 using advance_loc4 over section boundaries.
7155 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7158 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7159 r12 + SYMBOLIC_CONST.
7161 2006-08-30 Richard Guenther <rguenther@suse.de>
7163 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7165 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7167 PR rtl-optimization/27735
7168 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7169 Add new argument to keep track of whether an irreducible region
7170 was affected. All callers changed.
7171 (fix_irreducible_loops): Removed.
7172 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7173 flags were invalidated.
7175 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7177 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7178 instead of SF operands.
7179 (*fop_df_comm_sse): Likewise.
7180 (*fop_df_comm_i387): Likewise.
7181 (*fop_df_1_mixed): Likewise.
7182 (*fop_df_1_sse): Likewise.
7184 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7185 J"orn Rennecke <joern.rennecke@st.com>
7187 PR tree-optimization/17506
7188 * tree-ssa.c (warn_uninit): If warning about a location outside of
7189 the current function, note where the variable was declared.
7191 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7193 PR tree-optimization/28411
7194 * double-int.c (double_int_div): Use double_int_divmod.
7195 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7196 double_int_mod, double_int_smod, double_int_umod): New functions.
7197 * double-int.h (double_int_divmod, double_int_sdivmod,
7198 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7200 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7202 (get_computation_aff, get_computation_cost_at): Handle double_int
7203 return type of constant_multiple_of.
7205 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7208 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7209 an implicit conversion.
7211 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7213 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7215 2006-08-27 Roger Sayle <roger@eyesopen.com>
7217 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7220 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7222 * config/i386/crtfastmath.c: Fix a comment typo.
7224 2006-08-26 Roger Sayle <roger@eyesopen.com>
7226 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7227 temporary visit flags on CASE_LABEL_EXPRs.
7228 * c-common.c (match_case_to_enum): Add function comment. Avoid
7229 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7230 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7231 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7232 a constant, only warn if that constant value isn't handled.
7234 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7237 * input.h (restore_input_file_stack): Declare.
7238 (INPUT_FILE_STACK_BITS): Define.
7239 * toplev.c (fs_p, input_file_stack_history,
7240 input_file_stack_restored, restore_input_file_stack): New.
7241 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7242 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7243 (pop_srcloc): Don't free old state of stack.
7245 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7248 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7249 (PowerPC Type Attributes): New.
7251 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7253 * config/xtensa/xtensa.c (function_arg_boundary): New.
7254 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7256 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7257 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7259 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7262 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7265 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7267 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7268 (verify_local_live_at_start): Likewise.
7270 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7273 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7274 omp_add_variable): Treat sizes as variable whenever not
7277 2006-08-26 Richard Guenther <rguenther@suse.de>
7280 * fold-const.c (fold_binary): Fold temporary to correct
7281 type before constructing new comparison.
7283 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7286 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7287 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7289 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7292 * c-decl.c (start_function): Don't try to process prototype
7293 information from old declaration that isn't a function.
7295 2006-08-25 Jan Hubicka <jh@suse.cz>
7298 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7300 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7303 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7306 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7308 PR tree-optimization/16876
7309 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7310 exit if PARM doesn't match VALUE.
7312 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7314 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7315 literal_prefix directive.
7316 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7317 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7318 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7320 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7323 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7324 predicate to general_operand. Add 0->y and I->r alternatives.
7326 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7328 * doc/tm.texi: Fix a typo.
7329 * predict.c: Fix comment typos.
7331 2006-08-25 Nick Clifton <nickc@redhat.com>
7333 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7334 assertions of "cpu" and "machine".
7336 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7339 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7340 the access through a base which has an alias set of 0 cannot
7343 2006-08-24 Bill Wendling <wendling@apple.com>
7345 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7347 2006-08-24 Jan Hubicka <jh@suse.cz>
7349 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7351 2006-08-24 Jan Hubicka <jh@suse.cz>
7354 * cgraph.c: Fix comments.
7355 (cgraph_varpool_mark_needed_node): Mark only variables not already
7357 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7358 (cgraph_varpool_assembled_nodes_queue): New static variable.
7359 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7360 (cgraph_varpool_output_debug_info): New function.
7361 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7362 * Makefile.in: Add gt-cgraphunit.h
7364 2006-08-24 Jan Hubicka <jh@suse.cz>
7366 * predict.c (probability_reliable_p): New predicate.
7367 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7368 (predict_loops): Do not predict loop exit with less than 2%
7370 * basic-block.h (edge_probability_reliable_p,
7371 br_prob_note_reliable_p): Declare.
7372 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7373 prediction when static predictor is not reliable.
7374 * rs6000.c (output_cbranch): Likewise.
7376 2006-08-23 Stuart Hastings <stuart@apple.com>
7379 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7380 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7382 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7385 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7386 complex values, nor for generic vector values.
7388 2006-08-22 Richard Guenther <rguenther@suse.de>
7391 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7392 parameter. Convert arguments to arithmetic expression to the
7394 (analyze_scalar_evolution_1): Adjust caller.
7396 2006-08-22 Jan Hubicka <jh@suse.cz>
7398 Patch by Paolo Bonzini
7399 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7402 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7404 PR tree-optimization/28003
7405 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7406 before grouping aliases.
7408 2006-08-22 Roger Sayle <roger@eyesopen.com>
7410 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7411 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7413 2006-08-21 Jason Merrill <jason@redhat.com>
7416 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7417 wrapper. Loop to handle nested wrappers.
7418 (gimplify_bind_expr): Remove temp parameter.
7419 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7420 and STATEMENT_LIST on the rhs.
7421 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7422 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7423 (gimplify_target_expr): Remove special BIND_EXPR handling.
7425 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7427 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7430 2006-08-21 Olivier Hainque <hainque@adacore.com>
7432 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7433 Arrange for the temporary captures of components overlapping the lhs
7434 to happen before the lhs is possibly cleared.
7436 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7438 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7439 necessary places to pass the correct "number of registers" values
7442 2006-08-20 Jan Hubicka <jh@suse.cz>
7444 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7445 (create_name_tags): Instead of quadratic checking use hashtable.
7446 * bitmap.h: Include hashtab.h.
7447 (bitmap_hash): Declare.
7448 * bitmap.c (bitmap_hash): New function.
7450 2006-08-20 Jan Hubicka <jh@suse.cz>
7452 PR rtl-optimization/28071
7453 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7455 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7456 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7457 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7458 cgraph_decide_inlining_incrementally): Update use of
7459 cgraph_check_inline_limits.
7460 * cgraph.c (edge_hash, edge_eq): New function.
7461 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7462 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7463 cgraph_remove_node): Maintain call site hash.
7464 * cgraph.h (struct cgraph_node): Add call_site_hash.
7465 (cgraph_set_call_stmt): New function.
7467 2006-08-20 Jan Hubicka <jh@suse.cz>
7469 PR rtl-optimization/28071
7470 * reload1.c (reg_has_output_reload): Turn into regset.
7471 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7472 choose_reload_regs, emit_reload_insns): Update to new
7473 reg_has_output_reload.
7475 2006-08-20 Jan Hubicka <jh@suse.cz>
7478 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7479 function body sizes.
7480 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7482 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7485 * tree.c (handle_dll_attribute): Return early if not a
7486 var or function decl.
7488 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7491 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7492 alignment of SPE vector types.
7494 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7496 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7498 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7501 * cgraph.h (struct cgraph_node): Remove externally_visible
7503 * cgraphunit.c (process_function_and_variable_attributes): Set
7504 local.externally_visible rather than externally_visible.
7507 * c-common.c (handle_externally_visible_attribute): First look
7508 at TREE_CODE and only if it is function or var decl, check for
7509 non-public objects. Don't warn for DECL_EXTERNAL.
7510 * cgraphunit.c (process_function_and_variable_attributes): Warn
7511 if externally_visible attribute is used on non-public object.
7513 2006-08-17 Jan Hubicka <jh@suse.cz>
7515 PR tree-optimization/27865
7516 * reload1.c (forget_marked_reloads): New function.
7517 (forget_old_reloads_1): When data are passed, just mark the registers
7519 (reload_as_needed): Use the new mechanizm.
7521 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7524 * reload.h (reg_equiv_alt_mem_list): New declaration.
7525 * reload1.c (reg_equiv_alt_mem_list): New definition.
7526 (reload): Initialize it and release it.
7527 (delete_output_reload): Use it.
7528 * reload.c (push_reg_equiv_alt_mem): New function.
7529 (find_reloads_toplev): Call it.
7530 (find_reloads_address, find_reloads_address_1): Likewise.
7531 (find_reloads_subreg_address): Likewise.
7533 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7535 PR rtl-optimization/28489
7536 * sched-ebb.c (begin_schedule_ready): Create basic block
7538 (advance_target_bb): Skip empty blocks.
7539 * haifa-sched.c (bb_note): Make global.
7540 * sched-int.h (bb_note): Add prototype.
7542 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7544 PR tree-optimization/27865
7545 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7547 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7548 fold_used_pointer, pointer_used_p): New functions.
7549 (analyze_scalar_evolution_1): Use fold_used_pointer.
7550 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7551 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7554 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7557 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7558 or the INTEGER_CST. Fail on a CALL_EXPR.
7559 (fold_offsetof): Pass new argument to fold_offsetof_1.
7560 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7561 operand into an INDIRECT_REF.
7562 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7564 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7566 PR gcov/profile/26570
7567 * value-prof.c (static_values): Removed.
7568 (tree_find_values_to_profile): Do not set static_values.
7569 (find_values_to_profile): Do not free static_values.
7570 * profile.c (instrument_values): Do not free the values.
7571 (branch_prob): Free the values.
7573 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7575 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7577 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7580 * c-typeck.c (build_component_ref): Combine qualifiers of
7581 structure or union and field.
7583 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7585 PR rtl-optimization/28071
7586 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7587 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7588 * tree-into-ssa.c (struct dom_dfsnum): New.
7589 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7591 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7592 compute_global_livein.
7593 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7594 in phi nodes in the correct blocks.
7596 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7598 PR tree-optimization/28364
7599 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7601 (fold_affine_expr): New function.
7602 (may_eliminate_iv): Use fold_affine_expr.
7604 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7607 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7610 2006-08-16 Mike Stump <mrs@apple.com>
7612 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7613 * doc/cppopts.texi (-MD): Likewise.
7615 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7618 * c-common.c (handle_weak_attribute): Ignore and warn if
7619 not a FUNCTION_ or VAR_DECL.
7621 2006-07-15 Mike Stump <mrs@apple.com>
7624 * c-parser.c (c_parser_typeof_specifier): Don't use
7625 c_finish_expr_stmt, open code desired semantics instead.
7627 2006-08-15 Nick Clifton <nickc@redhat.com>
7629 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7630 fragment to tmake_file only if threads are enabled.
7631 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7632 * config/i386/t-gthr-win32: New file. ... here.
7634 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7637 * c-parser.c (c_parser_compound_statement_nostart): Reset
7638 parser->error after each statement.
7640 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7643 * omp-low.c (lower_omp_parallel): Convert t to
7644 receiver_decl's type.
7645 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7646 source before comparison.
7649 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7650 to itype in assignment to oldival2.
7652 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7656 * c-typeck.c (build_compound_expr): If the second expression
7657 is an error mark, then just return an error mark instead of
7658 creating a COMPOUND_EXPR.
7660 2006-07-14 Mike Stump <mrs@apple.com>
7662 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7664 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7666 * c-decl.c, var-tracking.c: Fix comment typos.
7668 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7670 PR rtl-optimization/28634
7671 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7672 for floating-point modes unless flag_unsafe_math_optimizations.
7674 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7675 Andrew Pinski <pinskia@physics.uc.edu>
7678 * tree.c (build_array_type): Unify array types with
7679 unspecified index_type.
7680 * c-decl.c (grokdeclarator): Make sure we do not modify a
7681 unified incomplete array type.
7682 * c-typeck.c (store_init_value): Create distinct type before
7683 filling in the index type in an initializer from a compound
7686 * c-decl.c (grokdeclarator): Remove code where we copy the
7689 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7691 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7692 into account for TODO_dump_cgraph.
7693 (TODO_update_ssa_no_phi): Likewise.
7694 (TODO_update_ssa_full_phi): Likewise.
7695 (TODO_update_ssa_only_virtuals): Likewise.
7696 (TODO_remove_unused_locals): Likewise.
7697 (TODO_set_props): Likewise.
7698 (TODO_update_stmt_usage): Likewise.
7700 2006-08-13 Dirk Mueller <dmueller@suse.de>
7702 * c-common.c (strict_aliasing_warning): Fix formatting.
7704 2006-08-13 Matthias Klose <doko@debian.org>
7706 * doc/invoke.texi: Fix spelling errors.
7708 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7710 PR rtl-optimization/23454
7711 * reorg.c (relax_delay_slots): Update comment.
7713 2006-08-11 Richard Guenther <rguenther@suse.de>
7716 * simplify-rtx.c (simplify_const_relational_operation):
7717 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7720 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7722 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7723 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7725 2006-08-10 Paul Brook <paul@codesourcery.com>
7727 * final.c (final_scan_insn): Clear current_insn_predicate before
7728 outputting inline asm.
7730 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7732 PR tree-optimization/26197
7733 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7734 get_ref_base_and_extent and overlap_subvar to add only relevant
7735 subvars as may-aliases.
7736 (add_may_alias_for_new_tag): New function, factored out of
7738 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7739 with additional argument.
7740 * tree-flow.h (new_type_alias): Takes additional argument.
7742 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7744 * gcov.c (no_data_file): New flag.
7745 (read_count_file): Set it if data file not present. Assume counts
7747 (output_lines): Don't name the data file, if there wasn't one.
7749 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7751 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7752 (rs6000_generate_compare): Tweak comments.
7753 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7755 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7757 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7758 (var_debug_decl): New function.
7759 (var_reg_set): Follow debug decl link. Add location even if
7760 reg is already known to hold some other variable.
7761 (var_mem_set): Follow debug decl link.
7762 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7763 decl link. Delete other known locations of the variable part
7765 (var_reg_delete, var_mem_delete): Delete other known locations
7766 of the variable part if requested.
7767 (same_variable_part_p): New function.
7768 (add_stores): Select MO_COPY when appropriate.
7769 (vt_initialize): Handle it.
7770 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7771 known locations for MO_SET and MO_CLOBBER.
7772 (find_variable_location_part): New function.
7773 (set_variable_part, delete_variable_part): Use it.
7774 (clobber_variable_part): New function.
7775 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7778 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7780 PR tree-optimization/26969
7781 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7782 with an empty list of PHIs.
7784 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7788 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7791 2006-08-06 Andreas Schwab <schwab@suse.de>
7793 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7794 string. Whitespace and comment fixup.
7796 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7799 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7803 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7806 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7808 2006-08-04 Jan Hubicka <jh@suse.cz>
7812 * reload.c (push_reload): Patch out the mismatching instruction;
7814 (find_reload): Bail out if the instruction was patched out.
7816 2006-08-04 Jan Hubicka <jh@suse.cz>
7818 PR tree-optimization/24888
7819 * tree-inline.c (expand_call_inline): Do not re-record variables.
7820 (declare_inline_vars): Add variable to unexpanded_var_list.
7822 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7823 Roger Sayle <roger@eyesopen.com>
7825 PR rtl-optimization/26244
7826 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7827 inner_const are negative or greater than or equal to the bitsize of
7828 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7829 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7830 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7831 CONST0_RTX (mode) when the new shift count is greater than or equal to
7832 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7835 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7837 * tree-cfg.c: Fix a comment typo.
7839 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7842 * varasm.c (output_constant): Give the front end another chance to
7843 expand constants, after stripping NOPs.
7845 2006-08-03 Jan Hubicka <jh@suse.cz>
7847 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7850 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7852 PR tree-optimization/27770
7853 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7854 declaration removed (moved to tree-flow.h).
7855 (vect_can_force_dr_alignment_p): Likewise.
7856 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7857 (moved from tree-vectorizer.h).
7858 (vect_can_force_dr_alignment_p): Likewise.
7859 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7860 from outside the vectorizer - in particular from cgraph stage.
7861 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7862 the alignment of global arrays when -fsection-anchors is enabled.
7863 * cgraphunit.c (cgraph_increase_alignment): New function.
7864 (cgraph_optimize): Call cgraph_increase_alignment.
7866 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7869 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7870 not reload a SPE symbol_ref into a lo_sum address.
7872 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7875 * dwarf2out.c (prune_unused_types_prune): Move call to
7876 prune_unused_types_update_strings to cover the parent DIE also.
7878 2006-08-02 Jan Hubicka <jh@suse.cz>
7880 PR gcov/profile/28480
7881 * tree-cfg.c (change_bb_for_stmt): New function.
7882 (tree_merge_blocks, tree_split_blocks): Use it.
7884 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7890 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7891 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7892 (cgraph_optimize): Likewise.
7894 2006-08-01 Stuart Hastings <stuart@apple.com>
7896 * rtl.h (UINTVAL) New.
7897 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7898 * testsuite/gcc.dg/20060801-1.c: New.
7900 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7903 * c-typeck.c (build_external_type): Mark used enum types.
7904 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7906 (gen_subprogram_die): Whitespace fix.
7908 2006-08-01 Jan Hubicka <jh@suse.cz>
7910 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7911 bitmap when not needed.
7912 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7915 2006-08-01 Dirk Mueller <dmueller@suse.de>
7917 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7919 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7921 * Makefile.in: Revert part of previous patch:
7922 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7925 2006-07-30 Eric Christopher <echristo@apple.com>
7928 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7929 (PowerPC Variable Attributes): New section.
7931 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7933 PR target/28126 (partial fix)
7934 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7936 2006-07-28 Jan Hubicka <jh@suse.cz>
7938 PR rtl-optimization/28071
7939 * cfgrtl.c (rtl_delete_block): Free regsets.
7940 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7942 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7944 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7945 and variables used in dependencies.
7947 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7949 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7950 %fs for -mcmodel=kernel.
7951 (stack_tls_protect_test_di): Likewise.
7953 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7955 * Makefile.in: Use mkinstalldirs.
7957 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7960 * opts-common.c (prune_options): Skip joined switches.
7962 2006-07-27 Jan Hubicka <jh@suse.cz>
7964 PR rtl-optimization/28071
7965 * cselib.c (cselib_process_insn): Don't remove useless values too
7966 often for very large hashtables.
7968 2006-07-27 Jan Hubicka <jh@suse.cz>
7970 PR rtl-optimization/28071
7971 * global.c (greg_obstack): New obstack.
7972 (allocate_bb_info): Use it.
7973 (free_bb_info): Likewise.
7974 (modify_reg_pav): Likewise.
7976 2006-07-27 Roger Sayle <roger@eyesopen.com>
7978 * builtins.c (fold_fixed_mathfn): When long and long long are the
7979 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7980 functions to their lceil*, lfloor*, lround* and lrint* forms.
7982 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7985 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7987 (rev_branch_insn): Likewise.
7989 2006-07-27 Jan Hubicka <jh@suse.cz>
7991 PR rtl-optimization/28071
7992 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7993 (reg_set_in_bb, max_reg_computed): New static variables.
7994 (regmove_optimize): Free the new array.
7995 (fixup_match_1): Update call of reg_is_remote_constant_p.
7997 2006-07-26 Jan Hubicka <jh@suse.cz>
7999 PR tree-optimization/27882
8000 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8002 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8004 (cgraph_analyze_compilation_unit): Likewise.
8005 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8006 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8007 (cgraph_early_inlinine): Make order garbage collected.
8008 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8010 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8012 * dbxout.c (output_types_sort): Add a comment.
8013 (output_used_types): Free the VEC.
8015 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8017 * function.c (reorder_fix_fragments): Delete.
8018 (reorder_blocks): Don't call it.
8019 (reorder_blocks_1): Put all subblocks under the origin block.
8021 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8023 PR rtl-optimization/27907
8024 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8027 2006-07-25 Roger Sayle <roger@eyesopen.com>
8030 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8031 bar(x) check that bar's result type can represent all the values of T.
8033 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8035 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8037 2006-07-25 Nick Clifton <nickc@redhat.com>
8039 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8040 size_lookup[] array.
8041 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8042 (ggc_pch_count_object): Likewise.
8043 (ggc_pch_alloc_object): Likewise.
8044 (ggc_pch_write_object): Likewise.
8045 (init_ggc): Do not attempt to initialize entries in the
8046 size_lookup[] array for objects whose size is greater than than
8047 the length of the array.
8049 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8051 * dbxout.c (output_used_types_helper): Push queued types
8053 (output_types_sort): New.
8054 (output_used_types): Collect used types on a VEC and sort them
8057 2006-07-24 Richard Guenther <rguenther@suse.de>
8060 * cgraph.c (cgraph_remove_node): Do not check if dumps
8062 * cgraphunit.c (cgraph_optimize): Likewise.
8064 2006-07-24 Jan Hubicka <jh@suse.cz>
8066 PR rtl-optimization/28071
8067 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8068 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8069 splitting before first stmt.
8071 2006-07-24 Jan Hubicka <jh@suse.cz>
8073 PR rtl-optimization/28071
8074 * ipa-inline.c (update_caller_keys): Remove edges that
8075 are no longer inline candidates.
8077 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8080 * dbxout.c (output_used_types_helper, output_used_types): New.
8081 (dbxout_symbol): Call output_used_types.
8083 2006-07-23 Jan Hubicka <jh@suse.cz>
8087 * cgraph.c (cgraph_varpool_nodes): Export.
8088 (decide_is_variable_needed): Ignored "used" attribute in
8089 unit-at-a-time mode.
8090 * cgraph.h (cgraph_varpool_nodes): Declare.
8091 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8092 unit-at-a-time mode.
8094 2006-07-23 Roger Sayle <roger@eyesopen.com>
8097 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8098 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8099 the __gthrw form of thr_keycreate.
8100 (__gthread_key_delete): Silence the unused argument warning.
8102 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8105 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8106 Cache the last found '\0' marker to avoid quadratic behavior.
8108 2006-07-23 Jan Hubicka <jh@suse.cz>
8110 * i386.md (subsi_3_zext): Fix output template.
8112 2006-07-21 Mike Stump <mrs@apple.com>
8114 * doc/invoke.texi (C++ Dialect Options): Note that
8115 -fvisibility-inlines-hidden doesn't affect explicitly
8116 instantiationed inline methods.
8118 2006-07-20 Roger Sayle <roger@eyesopen.com>
8120 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8121 if the target assembler is GNU binutils' gas.
8122 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8123 whether to pass GNU gas or native as command line options.
8125 2006-07-20 Jason Merrill <jason@redhat.com>
8127 * tree.c (remove_attribute): New fn.
8128 * tree.h: Declare it.
8130 2006-07-20 Paul Brook <paul@codesourcery.com>
8133 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8134 they are invalidated by this instruction.
8136 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8139 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8141 2006-07-20 Eric Christopher <echristo@apple.com>
8144 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8146 2006-07-19 Eric Christopher <echristo@apple.com>
8148 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8149 Rewrite dependencies for libgcc_s.1.dylib.
8151 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8153 * except.c (duplicate_eh_regions_1): Clear next_peer.
8155 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8157 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8158 -mlongcall does not guarantee all calls will be long.
8159 * doc/extend.texi (long_call/short_call): Document that longcall
8160 does not guarantee a long call will be used.
8161 (longcall/shortcall): Likewise.
8163 2006-07-18 Roger Sayle <roger@eyesopen.com>
8166 * expmed.c (expand_shift): Additionally check that the shift_cost
8167 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8168 before implementing a LSHIFT_EXPR as a sequence of additions.
8169 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8170 middle-end that DImode shifts need to be synthesized by expand.
8172 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8175 * tree-ssa-operands.c (access_can_touch_variable): Update
8177 Return true if ALIAS is .GLOBAL_VAR.
8179 2006-07-18 David Daney <ddaney@avtrex.com>
8181 * gcc.c (display_help): Fix typo in help text.
8183 2006-07-18 Olivier Hainque <hainque@adacore.com>
8185 * tree.h (categorize_ctor_elements): Adjust prototype and add
8186 descriptive comment, both in accordance with the interface change
8188 * varasm.c (constructor_static_from_elts_p): New function.
8189 Whether a constructor node is a valid static constant initializer
8190 if all its elements are.
8191 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8192 * output.h: Declare it.
8193 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8194 is a valid constant initializer instead of computing the number of
8195 non-constant elements. Use constructor_static_from_elts_p for this
8196 purpose. Replace the head comment with an indication that this is a
8197 helper for categorize_ctor_elements.
8198 (categorize_ctor_elements): Same interface change as for the _1
8199 helper. Former head comment from this helper moved here, adjusted to
8200 account for the interface changes.
8201 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8202 (all_zeros_p): Likewise.
8203 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8204 static versions of the constructor from the categorize_ctor_elements
8205 return value instead of the formerly computed number of non-constant
8208 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8210 * configure: Regenerate.
8211 * Makefile.in (build_libsubdir): New configure substitution
8212 (build_libobjdir): New variable.
8213 (BUILD_LIBIBERTY): Use it.
8215 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8218 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8220 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8223 * c-common.c (handle_weakref_attribute): Ignore attribute in
8224 the same conditions the alias attribute is ignored.
8226 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8228 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8229 (dbxout_begin_prologue): Increment scope_labelno.
8231 2006-07-17 Richard Henderson <rth@redhat.com>
8234 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8237 2006-07-17 Roger Sayle <roger@eyesopen.com>
8238 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8240 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8241 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8242 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8243 functions such as sbrk, write, etc.. Add function prototypes.
8244 Convert function declarations from K&R to ISO C. Cast pointers
8245 to "long" and "unsigned long" instead of "int" and "unsigned int".
8246 Convert tokens following #endif into comments.
8248 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8250 * invoke.texi: Remove mention of f77; Reformat table for
8251 inline parameter options correctly; mention that -malign-double
8252 is default on x86-64 targets.
8254 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8256 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8257 (convert_affine_scev, chrec_convert_aggressive): Use
8258 avoid_arithmetics_in_type_p. Do not check for the subtypes
8261 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8264 * optabs.c (expand_doubleword_shift): Wrap the call to
8265 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8267 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8270 * optabs.c (expand_binop): Pass next_methods rather than methods
8271 to expand_doubleword_shift.
8273 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8276 * tree.h (dump_addr): Declare.
8277 * print-tree.c (dump_addr): New function.
8278 (print_node_brief, print_node): Use it.
8279 * print-rtl.c (print_rtx): Likewise.
8280 * common.opt (-fdump-noaddr): New option.
8281 * doc/invoke.texi (-fdump-noaddr): Document.
8282 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8283 (ve_info_hash): Likewise.
8285 2006-07-13 Andrew Haley <aph@redhat.com>
8287 PR tree-optimization/19505
8288 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8289 edge leaving this block, make sure that the destination of this
8290 block has only one predecessor.
8292 2006-07-17 Richard Guenther <rguenther@suse.de>
8294 PR tree-optimization/28238
8295 * tree-inline.c (copy_bb): Check if we produced valid
8296 gimple copying and substituting a stmt. If not, gimplify
8299 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8301 * optabs.c (maybe_encapsulate_block): New function extracted from...
8302 (emit_libcall_block): ...here. Invoke it on the block of insns to
8303 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8304 (emit_no_conflict_block): Likewise.
8306 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8308 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8310 2006-07-15 Roger Sayle <roger@eyesopen.com>
8312 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8313 a new NOP_EXPR case of the switch statement.
8315 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8318 * stor-layout.c (place_field): Take the bit field with
8319 an excessive size into account in the ms-bitfiled case.
8322 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8323 the previous bit field.
8325 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8328 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8330 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8332 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8333 signal frames correctly even when the signal was installed with
8336 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8338 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8339 (dbxout_function_end): Use local label LFBB. Remove hook
8341 (dbxout_source_line): Use local label LFBB.
8342 (dbxout_block): Likewise.
8343 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8344 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8345 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8346 and DBX_OUTPUT_NFUN.
8348 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8350 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8352 2006-07-13 Jan Hubicka <jh@suse.cz>
8354 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8356 * output.h (align_variable): Declare.
8357 * varasm.c (align_variable): Export.
8358 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8359 when basic block changed.
8361 2006-07-13 Nick Clifton <nickc@redhat.com>
8363 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8364 walking the LOG_LINKS chain.
8366 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8368 * doc/invoke.texi (C++ Dialect Options): Explain difference
8369 between -fvisibility-inlines-hidden and setting hidden
8370 visibility explicitly.
8372 2006-07-12 Eric Christopher <echristo@apple.com>
8374 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8375 (stmp-lipo): Depend on libgcc.a.
8377 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8379 * tree.c: Fix a comment typo.
8381 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8383 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8385 (umulhisi3_r): Likewise.
8387 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8390 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8391 x < 19, vs wchar_t support.
8393 2006-07-12 Nick Clifton <nickc@redhat.com>
8395 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8396 instead of -isa=sh4.
8398 2006-07-12 Mike Stump <mrs@apple.com>
8400 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8402 2006-07-10 Eric Christopher <echristo@apple.com>
8404 * config/t-slibgcc-darwin: Rewrite.
8406 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8409 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8412 2006-07-08 Matthias Klose <doko@debian.org>
8414 * doc/sourcebuild.texi: Fix typo.
8416 2006-07-07 Mike Stump <mrs@apple.com>
8418 * toplev.c (process_options): Don't give -ffunction-sections may
8419 affect debugging warning for Mach-O.
8421 2006-07-07 James E Wilson <wilson@specifix.com>
8423 * config/mips/mips.md (cpu): Add sb1a.
8424 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8425 addition to sb1. Adjust comments to clarify SB-1A differences from
8427 (ir_sb1a_load): New. Modify bypasses to use it.
8428 (ir_sb1a_simple_alu): Likewise.
8429 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8430 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8431 (mips_issue_rate): Add PROCESSOR_SB1A.
8432 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8433 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8434 (TARGET_SB1): Add PROCESSOR_SB1A check.
8435 (TUNE_SB1): Likewise.
8437 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8438 * config/mips/mips.c (mips_store_data_bypass_p): New.
8439 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8440 store_data_bypass_p.
8442 2006-07-08 Paul Brook <paul@codesourcery.com>
8445 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8447 2006-07-07 Richard Guenther <rguenther@suse.de>
8450 * tree.h (build_one_cst): Declare.
8451 * tree.c (build_one_cst): New function.
8452 * tree-ssa-math-opts.c (get_constant_one): Remove.
8453 (insert_reciprocals): Use build_one_cst.
8454 * fold-const.c (fold_plusminus_mult): Likewise.
8456 2006-07-07 Roger Sayle <roger@eyesopen.com>
8458 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8459 * cfgloopanal.c (dump_graph): Likewise.
8460 * dojump.c (discard_pending_stack_adjust): Likewise.
8461 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8463 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8464 * function.c (finalize_block_changes): Likewise.
8465 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8466 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8467 * rtl.c (dump_rtx_statistics): Likewise.
8468 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8470 * varray.c (dump_varray_statistics): Likewise.
8471 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8472 decode_decimal64, encode_decimal128, decode_decimal128,
8473 decimal_real_to_decimal): Likewise.
8475 2006-07-07 Richard Guenther <rguenther@suse.de>
8477 PR tree-optimization/28187
8478 * tree-vrp.c (vrp_operand_equal_p): New function.
8479 (vrp_bitmap_equal_p): Likewise.
8480 (update_value_range): Use them to compare old and new
8483 2006-07-06 Roger Sayle <roger@eyesopen.com>
8485 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8486 a default case to switch statement to silence compiler warnings.
8488 2006-07-06 Roger Sayle <roger@eyesopen.com>
8491 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8492 the configured assembler supports the x87's ffreep mnemonic.
8493 * configure: Regenerate.
8494 * config.in: Regenerate.
8496 * config/i386/i386.c (output_387_ffreep): New function.
8497 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8498 (output_387_reg_move): Likewise.
8500 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8502 Port to hosts whose 'sort' and 'tail' implementations
8503 treat operands with leading '+' as file names, as POSIX
8504 has required since 2001. However, make sure the code still
8505 works on pre-POSIX hosts.
8506 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8507 which says you should use "tail -c +N" rather than "tail +Nc".
8508 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8510 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8512 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8515 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8518 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8519 PRE_{INC,DEC} of TFmode.
8521 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8522 Alan Modra <amodra@bigpond.net.au>
8525 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8528 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8531 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8532 Remove duplicate gtu.
8534 2006-07-05 Jason Merrill <jason@redhat.com>
8538 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8539 * c-common.c (handle_packed_attribute): So don't copy it here.
8540 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8542 2006-07-05 Mike Stump <mrs@apple.com>
8544 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8546 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8549 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8551 2006-07-05 Richard Guenther <rguenther@suse.de>
8554 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8555 TARGET_SSE2 targets if using SSE math.
8556 (*absdf2_1): Likewise.
8558 2006-07-05 Richard Guenther <rguenther@suse.de>
8560 PR tree-optimization/28162
8561 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8562 make sure to convert the operands to the correct type.
8564 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8566 PR tree-optimization/28218
8568 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8569 to calculate and free the dominator information.
8571 2006-07-04 Peter O'Gorman <peter@pogma.com>
8573 * mklibgcc.in: chmod 644 before ranlib during install.
8575 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8576 J"orn Rennecke <joern.rennecke@st.com>
8578 * configure.ac (.eh_frame data check): Use diff -b.
8580 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8583 * Makefile.in (BUILD_RTL): Add build/vec.o.
8584 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8585 (build/genextract): Delete.
8586 (build/genautomata): Likewise.
8588 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8591 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8592 128-bit IBM long doubles for ABI_V4.
8594 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8596 * tree.c (range_in_array_bounds_p): New predicate.
8597 * tree.h (range_in_array_bounds_p): Declare it.
8598 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8599 return a less conservative answer.
8600 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8601 and flag 'is_group'.
8602 (IS_ELEMENT_FOR_GROUP): New macro.
8603 (FOR_EACH_ACTUAL_CHILD): Likewise.
8604 (next_child_for_group): New helper function.
8605 (can_completely_scalarize_p): Take into account groups.
8606 (sra_hash_tree): Handle RANGE_EXPR.
8607 (sra_elt_eq): Likewise.
8608 (lookup_element): Be prepared for handling groups.
8609 (is_valid_const_index): Delete.
8610 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8611 instead of is_valid_const_index.
8612 <ARRAY_RANGE_REF>: New case.
8613 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8614 is_valid_const_index.
8615 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8616 (scan_dump): Dump info for groups too.
8617 (decide_instantiation_1): Likewise.
8618 (decide_block_copy): Assert that the element is not a group.
8619 Propagate decision to groups.
8620 (generate_one_element_ref): Handle RANGE_EXPR.
8621 (mark_no_warning): Iterate over actual childs.
8622 (generate_copy_inout): Likewise.
8623 (generate_element_copy): Likewise.
8624 (generate_element_zero): Likewise.
8625 (generate_element_init_1): Likewise.
8626 (dump_sra_elt_name): Handle RANGE_EXPR.
8628 2006-07-03 Roger Sayle <roger@eyesopen.com>
8630 PR tree-optimization/26251
8631 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8632 (thread_block): When optimizing for size refuse to thread jumps
8633 that would require duplication of blocks other than redirection
8636 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8638 * configure.ac: Fix thinko in previous check-in.
8639 * configure: Regenerate.
8641 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8644 * configure.ac (for lang...): Simplify nesting of conditionals.
8645 Test subdir_requires for non-enabled languages. Move processing
8646 of lang_opt_files and lang_tree_fiels below that test.
8647 * configure: Regenerate.
8648 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8650 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8652 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8654 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8656 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8659 2006-06-29 Jason Merrill <jason@redhat.com>
8666 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8667 * c-common.c (c_determine_visibility): Handle it here.
8668 * c-decl.c (finish_decl): Call c_determine_visibility for
8670 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8672 * varasm.c (default_assemble_visibility): Likewise.
8673 * c-common.c (handle_visibility_attribute): Complain about trying
8674 to give visibility to an already defined class, or trying to change
8675 declared visibility. Always attach the attribute.
8680 * attribs.c (decl_attributes): Ignore type-in-place attributes
8681 once the type has been defined.
8683 2006-06-29 Roger Sayle <roger@eyesopen.com>
8686 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8687 to indicate the cpplib has issued an error message for us.
8689 2006-06-29 Asher Langton <langton2@llnl.gov>
8692 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8693 insert a label at the end of an function under Mach-O.
8695 2006-06-29 Eric Christopher <echristo@apple.com>
8696 Evan Cheng <evan.cheng@apple.com>
8698 * predicates.md (vector_all_ones_operand): New.
8699 (nonimmediate_or_sse_const_operand): Ditto.
8700 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8701 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8702 (standard_sse_mode_p): Ditto.
8703 (standard_sse_constant_p): Add case for -1 vector.
8704 (ix86_expand_vector_move): Try to use.
8705 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8706 Call standard_sse_constant_opcode.
8707 (*movv4sf_internal): Ditto.
8708 (*movv2df_internal): Ditto.
8710 2006-06-29 Roger Sayle <roger@eyesopen.com>
8712 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8713 of XEXP to extract the operands of a MATCH_CODE rtx.
8715 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8717 * tree.c (tree_size): Do not waste tail padding in
8718 struct tree_string and make the size be the same as
8719 build_string will generate.
8721 2006-06-28 Jason Merrill <jason@redhat.com>
8724 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8725 may_aliases already in the tag's annotations to the bitmap.
8727 2006-06-28 Roger Sayle <roger@eyesopen.com>
8729 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8731 2006-06-28 Roger Sayle <roger@eyesopen.com>
8733 * genpreds.c (generate_switch_p): New function.
8734 (add_mode_tests): Push the new mode test down inside an AND expr
8735 if this allows the switch-suitable MATCH_CODE to be near the root.
8736 (write_match_code_switch): New function to write a MATCH_CODE as
8738 (write_predicate_stmts): New function to write a predicate RTX
8739 expression as a sequence of statements.
8740 (write_one_predicate_function): Use write_predicate_stmts.
8741 (write_tm_constrs_h): Likewise.
8743 2006-06-26 Fred Fish <fnf@specifix.com>
8745 * config/mips/t-sb1: New file.
8746 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8749 2006-06-26 DJ Delorie <dj@redhat.com>
8751 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8753 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8754 Jayant Sonar <jayants@kpitcummins.com>
8755 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8757 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8758 (subsi3, subsi3_1, subsi3_2): New.
8759 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8760 * config/m32c/mov.md (SI mov peephole): New.
8761 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8762 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8764 2006-06-26 Olivier Hainque <hainque@adacore.com>
8766 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8767 a CALL_EXPR target function declaration.
8769 2006-06-26 Richard Guenther <rguenther@suse.de>
8771 * tree.c (build_string): Do not waste tail padding in
8774 2006-06-26 Richard Guenther <rguenther@suse.de>
8776 * ggc-page.c (init_ggc): Add missing element to size_lookup
8780 2006-06-23 Richard Guenther <rguenther@suse.de>
8782 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8783 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8784 alignment requests instead. Add verification code.
8785 Add struct tree_function_decl and struct tree_binfo size to
8786 extra_order_size_table. Add missing element to size_lookup
8789 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8792 * fold-const.c (const_binop): Be prepared for self returning zero.
8793 Simplify code handling complex values.
8795 2006-06-24 Olivier Hainque <hainque@adacore.com>
8797 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8798 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8801 2006-06-24 Olivier Hainque <hainque@adacore.com>
8803 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8804 ARRAY_REF, so have the callback called for the low bound expression.
8806 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8808 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8809 * c-typeck.c (c_common_type): Disallow operations on decimal float
8810 types and other float types.
8811 * convert.c (convert_to_real): Don't ignore conversions involving
8812 decimal float types.
8814 2006-06-23 Olivier Hainque <hainque@adacore.com>
8816 * tree.c (max_int_size_in_bytes): New function, inspired from
8817 code in function.c:assign_temp.
8818 * tree.h (max_int_size_in_bytes): Declare.
8819 * function.c (assign_temp): Use it.
8820 * gimplify.c (create_tmp_var): Relax the assertions on the type
8821 properties, not mandating constant size any more.
8822 (force_constant_size): New static function.
8823 (gimple_add_tmp_var): Use it, forcing variable size to a
8824 constant upper bound if it is not constant on entry.
8826 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8829 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8830 for initialization and setting of one_only flag to ...
8831 (i386_pe_encode_section_info): ...here.
8832 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8833 Recheck that the symbol has not been defined.
8835 2006-06-23 Richard Guenther <rguenther@suse.de>
8837 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8838 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8839 alignment requests instead. Add verification code.
8840 Add struct tree_function_decl and struct tree_binfo size to
8841 extra_order_size_table. Add missing element to size_lookup
8844 2006-06-22 Roger Sayle <roger@eyesopen.com>
8845 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8848 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8849 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8851 2006-06-23 Ben Elliston <bje@au.ibm.com>
8853 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8854 negate dn -- manipulate it directly.
8856 2006-06-22 Roger Sayle <roger@eyesopen.com>
8857 Steven Bosscher <stevenb.gcc@gmail.com>
8860 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8861 generated by gen_move_insn to add REG_LABEL notes if necessary.
8863 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8865 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8866 (leaf_entry): Remove use of MIN_ESA.
8868 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8870 PR rtl-optimization/28121
8871 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8874 2006-06-21 DJ Delorie <dj@redhat.com>
8876 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8878 (mulhisi3_r): Likewise.
8880 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8883 * coverage.c (coverage_counter_alloc): Leave the index type
8885 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8888 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8890 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8891 section from the "Options for Code Generation Conventions".
8893 2006-06-21 Richard Henderson <rth@redhat.com>
8897 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8899 (global_symbolic_operand): Allow weak symbols, even if local_p.
8901 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8903 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8904 (find_interesting_uses_address): Punt if above function returns true.
8906 2006-06-21 Richard Guenther <rguenther@suse.de>
8908 * configure: Regenerated.
8910 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8912 * config/mips/mips.c (function_arg): Where one part of a
8913 complex argument is in registers and the other part in the stack,
8914 return a REG not a PARALLEL.
8916 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8918 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8919 when cross-compiling. Do not substitute libstdcxx_incdir.
8920 * configure: Regenerated.
8922 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8924 * varasm.c (mergeable_string_section): Check for embedded NULs and
8925 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8926 rather than TREE_STRING_LENGTH bytes.
8928 2006-06-21 Richard Guenther <rguenther@suse.de>
8930 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8931 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8934 2006-06-21 Richrad Guenther <rguenther@suse.de>
8936 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8937 Limit iteration over the dominators.
8939 2006-06-20 Roger Sayle <roger@eyesopen.com>
8941 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8942 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8944 2006-06-20 Richard Guenther <rguenther@suse.de>
8945 Michael Matz <matz@suse.de>
8947 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8949 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8950 * et-forest.h (et_free_pools): Prototype new function.
8951 * et-forest.c (et_free_tree_force): Free parent occurrence.
8952 (et_free_pools): New function.
8953 * dominance.c (free_dominance_info): Free et-forest alloc
8956 2006-06-20 Roger Sayle <roger@eyesopen.com>
8958 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8959 integer modes, attempt to directly construct an integer constant.
8961 * fold-const.c (native_encode_vector): Determine the size of each
8962 element from the vector type instead of the first vector element.
8964 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8965 if all of its elements/components are constant.
8966 (build_constructor_from_list): Likewise.
8968 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8970 PR tree-optimization/27331
8971 * tree-data-ref.c (free_data_ref): New function.
8972 (create_data_ref): Fail if the data reference has unknown access
8974 (free_data_refs): Use free_data_ref.
8976 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8979 * tree-inline.c (setup_one_parameter): Strip useless
8980 type conversion before adding it to the IR.
8981 (declare_return_variable): Likewise.
8983 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8986 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8988 2006-06-19 Mike Stump <mrs@apple.com>
8990 * tree.c (variably_modified_type_p): VM arguments don't make the
8993 2006-06-19 Richard Guenther <rguenther@suse.de>
8995 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8996 type conversions after folding.
8998 2006-06-19 Richard Guenther <rguenther@suse.de>
9000 * ggc-page.c (extra_order_size_tab): Add entries with
9001 size of struct function and basic_block.
9002 (size_lookup): Extend to cover sizes up to 511.
9003 (ggc_alloc_stat): Adjust user.
9004 (ggc_pch_count_object): Likewise.
9005 (ggc_pch_alloc_object): Likewise.
9006 (ggc_pch_write_object): Likewise.
9008 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9010 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9011 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9014 2006-06-19 Denis Chertykov <denisc@overta.ru>
9016 * config/avr/libgcc.S : Correct my wrong previous commit.
9018 2006-06-19 Roger Sayle <roger@eyesopen.com>
9021 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9022 have stripped a SUBREG from the shift count, so we may need to
9023 convert_to_mode back to the type's mode before calling make_tree.
9024 Use new_amount instead of amount to avoid expanding a tree twice.
9026 2006-06-19 Richard Guenther <rguenther@suse.de>
9029 * fold-const.c (operand_equal_p): Check if the argument types
9030 have the same precision before stripping NOPs.
9032 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9034 Fix PR tree-optimization/27341
9035 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9037 * tree-complex.c (pass_lower_complex): Update SMT usage.
9039 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9041 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9042 Add a new alternative to the constraint strings. Add move of
9043 operand 1 to 3 to the splitter definition.
9044 ("doloop_si_long"): Second contraint alternative removed.
9046 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9048 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9049 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9051 (AVR_HAVE_MOVW) Define.
9052 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9053 (ASM_SPEC): Add avr25.
9054 (LINK_SPEC): Add avr25.
9055 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9056 (base_arch_s): Add new member 'have_movw_lpmx'.
9057 (avr_arch_types): Init 'have_movw_lpmx'.
9058 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9059 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9060 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9061 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9062 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9064 (avr_file_start): Do not output '.arh' derective.
9065 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9066 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9067 * config/avr/avr.md (mcu_enhanced): Delete.
9068 (mcu_have_movw): Define.
9069 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9070 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9071 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9072 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9073 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9074 attiny861 and at86rf401 devices.
9076 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9078 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9081 2006-06-17 Karl Berry <karl@gnu.org>
9083 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9084 doc/gccint.texi, doc/install.texi (@dircategory): Use
9085 "Software development" instead of "Programming", following
9086 the Free Software Directory.
9088 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9090 * config/i386/i386.c (legitimate_tls_address)
9091 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9092 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9093 (*tls_dynamic_gnu2_combine_64): Likewise.
9095 2006-06-16 Richard Guenther <rguenther@suse.de>
9098 * fold-const.c (negate_expr_p): Do not introduce undefined
9099 overflow in negating INTEGER_CSTs.
9100 (fold_negate_expr): Rename from negate_expr. Revert last
9101 change for folding BIT_NOT_EXPR. Change semantics to
9102 return NULL_TREE for non-simplified negations. Do not
9103 strip type conversions and unify type handling.
9104 (negate_expr): New function, wrap around fold_negate_expr
9105 but ensure building a tree always. Strip type conversions
9106 here, fold to result type.
9107 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9109 2006-06-16 Roger Sayle <roger@eyesopen.com>
9112 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9113 that (would) return their results in stack registers.
9115 2006-06-16 Michael Matz <matz@suse.de>
9116 Richard Guenther <rguenther@suse.de>
9118 * fold-const.c (fold_truthop): Only return new tree node if
9119 we canonicalized something.
9121 2006-06-16 Richard Guenther <rguenther@suse.de>
9123 * function.h (enum function_frequency): Move declaration
9124 out of struct function.
9125 (struct function): Move bool fields and the enum to the bitfield
9126 section. Reorder elements to avoid padding. Remove unused
9127 fields left over from the RTL inliner removal.
9128 * function.c (free_after_compilation): Do not zero removed fields.
9129 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9130 (ipa-type-escape.o): Likewise.
9132 2006-06-16 Richard Guenther <rguenther@suse.de>
9134 * cgraph.h (struct cgraph_local_info): Turn bool elements
9136 (struct cgraph_node): Likewise.
9137 (struct cgraph_varpool_node): Likewise.
9139 2006-06-15 Richard Guenther <rguenther@suse.de>
9141 * fold-const.c (fold_truth_not_expr): Rename from
9142 invert_truthvalue. Give it fold_* semantics to avoid
9144 (invert_truthvalue): New function. Wrapper around
9145 fold_truth_not_expr.
9146 (optimize_minmax_comparison): Avoid creating garbage.
9147 (fold_unary): Use fold_truth_not_expr for folding
9149 (fold_ternary): Replace uses of invert_truthvalue with
9150 fold_truth_not_expr where applicable.
9151 * tree.h (fold_truth_not_expr): Prototype.
9153 2006-06-16 Richard Guenther <rguenther@suse.de>
9155 PR tree-optimization/27781
9156 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9157 * ipa-pure-const.c (target.h): Include.
9158 (analyze_function): Do not analyze functions that do not
9161 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9164 * tree-dfa.c (referenced_vars_dup_list): Remove.
9165 (find_referenced_vars): Remove assert.
9166 (referenced_var_check_and_insert): Replace dup list with assert.
9167 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9168 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9170 2006-06-15 Richard Guenther <rguenther@suse.de>
9172 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9173 extra unused identifiers if not dumping.
9174 (create_variable_info_for): Likewise.
9176 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9178 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9179 (derive_constant_upper_bound): Derive more precise upper bound in
9180 common cases. Return type changed to double_int.
9181 (record_estimate): Reflect the changed return type of
9182 derive_constant_upper_bound.
9183 * double-int.c (double_int_zext, double_int_sext): Fix.
9185 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9187 * configure.ac (CFLAGS): Get them from the toplevel or from the
9188 configure invocation.
9189 * configure: Regenerate.
9190 * Makefile.in (CFLAGS): Substitute value provided by configure.
9192 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9195 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9196 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9197 rather than calling add_stmt on it.
9198 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9200 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9203 * reload1.c (reload): Remove registers returned by update_eliminables
9204 from used_spill_regs.
9206 2006-06-13 DJ Delorie <dj@redhat.com>
9208 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9210 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9212 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9213 html__strip_dir, html__mkdir_p. Enhance install-html target.
9214 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9215 * configure: Regenerate.
9217 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9219 * fold-const.c (fold_cond_expr_with_comparison): Check for
9220 Objective-C++ as language in deciding COND_EXPR transformation.
9222 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9225 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9226 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9227 * config/sh/lib1funcs.h (SL, SL1): Define.
9228 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9229 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9230 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9231 (OBJS_Os_4_200): New variable.
9232 ($(T)libgcc-Os-4-200.a): Use it.
9233 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9234 when dividing 1 and/or by 0.
9236 2006-06-13 Roger Sayle <roger@eyesopen.com>
9238 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9239 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9240 * configure: Regenerate.
9242 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9244 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9245 for real instruction.
9247 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9250 * haifa-sched.c (check_cfg): Handle special case.
9252 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9255 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9256 Add debug_info parameter. Chain the vars to the BLOCK instead
9257 of the BIND_EXPR if debug info are requested for them.
9258 (pop_gimplify_context): Adjust for above change.
9259 (gimple_add_tmp_var): Likewise.
9260 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9262 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9263 (convert_local_reference): Likewise.
9264 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9265 (finalize_nesting_tree_1): Request that debug info be emitted
9266 for debug_var_chain.
9268 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9270 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9271 for PR target/27863.
9273 2006-06-13 Richard Guenther <rguenther@suse.de>
9276 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9278 2006-06-13 Richard Guenther <rguenther@suse.de>
9280 PR tree-optimization/27830
9281 * tree-inline.c (copy_body_r): For copying the operand
9282 of an ADDR_EXPR make sure to fold &* afterwards.
9284 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9286 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9287 lvalues in the fb_none case with side-effects.
9289 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9291 * tree-flow.h: Remove the prototype for
9292 compute_phi_arg_on_exit.
9293 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9294 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9297 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9299 * builtins.c (expand_builtin_return_addr): Only use
9300 frame_pointer_rtx when count == 0 and we are expanding
9301 __builtin_return_address.
9303 2006-06-12 Fred Fish <fnf@specifix.com>
9305 * config/mips/mips.c (mips_file_start): Create special section
9306 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9308 2006-06-11 Eric Christopher <echristo@apple.com>
9311 * stor-layout.c (place_field): Remove check for
9312 remaining_in_alignment when aligning at the end of a run.
9314 2006-06-11 Eric Christopher <echristo@apple.com>
9317 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9320 2006-06-11 Roger Sayle <roger@eyesopen.com>
9323 Revert incorrect fix for PR target/27158
9324 2006-05-08 Roger Sayle <roger@eyesopen.com>
9325 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9326 of a reg_equiv_constant if the result is a legitimate constant.
9328 2006-06-11 Roger Sayle <roger@eyesopen.com>
9331 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9332 extract a CONST_VECTOR element and interpret it as an integer.
9333 (vspltis_constant): Use const_vector_elt_as_int instead of the
9334 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9335 * config/rs6000/predicates.md (easy_vector_const): Consider
9336 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9338 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9341 * stor-layout.c (update_alignment_for_field): Don't add extra
9342 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9345 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9347 * config/mips/t-rtems: Add EL/EB multilib variants.
9349 2006-06-09 Mike Stump <mrs@apple.com>
9351 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9353 2006-06-09 David Daney <ddaney@avtrex.com>
9355 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9357 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9359 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9361 2006-06-09 Richard Guenther <rguenther@suse.de>
9363 PR tree-optimization/26998
9364 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9365 of signed types, only TYPE_MIN_VALUE is special, but for both,
9366 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9367 in this case, as is -fwrapv.
9369 2006-06-08 Mike Stump <mrs@apple.com>
9372 * config/darwin.c (darwin_asm_output_anchor): Disable
9373 -fsection-anchors on darwin for now.
9374 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9375 * rs6000/rs6000.c (optimization_options): Likewise.
9377 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9380 * config/i386/i386.c (classify_argument): Skip fields with invalid
9383 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9385 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9386 (cse_insn): Likewise for the stack_pointer_rtx.
9388 2006-06-08 Roger Sayle <roger@eyesopen.com>
9390 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9391 conditions from floating point comparisons.
9393 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9396 * expmed.c (struct alg_hash_entry): Fix type of field T
9397 to match synth_mult argument.
9398 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9400 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9403 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9406 2006-06-08 Richard Guenther <rguenther@suse.de>
9409 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9410 only, if overflow is defined and not trapping.
9411 (negate_expr): Likewise.
9413 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9415 PR tree-optimization/27872
9416 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9417 flag on the new exit edge of the unrolled loop.
9419 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9421 PR rtl-optimization/26449
9422 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9424 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9427 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9428 referenced_variables with matching DECL_UID's.
9429 (find_referenced_vars): Make sure duplicate list is empty to start.
9430 (referenced_var_p): Remove.
9431 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9432 Check if var is in the list, and add if needed. Update the duplicate
9433 list if a different var is in the list with the same DECL_UID.
9434 (add_referenced_var): Call routine to check and insert.
9435 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9436 * tree-flow.h (referenced_vars_dup_list): External declaration.
9438 2006-06-07 Fred Fish <fnf@specifix.com>
9440 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9443 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9446 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9447 the imaginary and real parts of a clobbered register.
9448 Emit insn to set the imaginary part.
9450 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9452 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9453 in lieu of unwind-dw2-fde.c.
9455 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9457 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9459 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9462 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9463 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9464 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9465 V4SImode temporaries and operations instead.
9467 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9469 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9472 2006-06-06 Mike Stump <mrs@apple.com>
9474 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9475 installing during build.
9477 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9479 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9481 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9482 * config/ia64/ia64.c (params.h): New header.
9483 (ia64_optimization_options): New function to adjust parameters.
9484 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9485 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9486 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9488 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9490 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9492 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9495 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9497 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9498 Victor Kaplansky <victork@il.ibm.com>
9500 PR tree-optimization/26360
9501 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9504 2006-06-04 Roger Sayle <roger@eyesopen.com>
9505 Andrew Pinski <pinskia@physics.uc.edu>
9508 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9509 for LABEL_DECL before calling DECL_WEAK.
9512 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9513 LABEL_DECL and PARM_DECL.
9515 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9519 * c-decl.c (grokdeclarator): Disallow variably modified types at
9520 file scope. Avoid marking shared array type of constant size as
9523 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9526 * c-common.c (fold_offsetof_1): Handle static members.
9528 2006-06-04 Eric Christopher <echristo@apple.com>
9530 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9531 (debug_rli): Output value for remaining_in_alignment.
9532 (update_alignment_for_field): Unconditionalize
9533 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9534 extra alignment code.
9535 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9536 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9537 * tree.h (record_layout_info_s): Remove prev_packed.
9538 * doc/extend.texi (ms_struct): Add documentation of format.
9540 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9542 * tree.h: Declare folding_initializer.
9543 * builtins.c (fold_builtin_constant_p): Give definite answer
9544 if folding inside an initializer.
9545 * fold-const.c: Define folding_initializer.
9546 (START_FOLD_INIT): Save and then set folding_initializer.
9547 (END_FOLD_INIT): Restore folding_initializer.
9549 2006-06-04 Richard Guenther <rguenther@suse.de>
9551 PR tree-optimization/27039
9552 * fold-const.c (fold_comparison): Handle pointer comparison
9553 again for all comparison codes. Compare offsets in signed
9555 (fold_binary): Move code from here.
9557 2006-06-03 Roger Sayle <roger@eyesopen.com>
9560 * config/i386/i386.c (construct_container): Split static issued_error
9561 flag into issued_sse_arg_error, issued_sse_ret_error and
9562 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9563 requires the use of x87 registers and the user explicitly
9564 specified the -mno-80387 command line option.
9566 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9568 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9569 HAVE_DECL_SIGALTSTACK.
9571 (segv_handler): Use MC_FLD.
9572 * configure.ac: Check for a sigaltstack declaration.
9573 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9574 * configure: Regenerate.
9575 * config.in: Regenerate.
9577 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9580 * Makefile.in (stmp-fixinc): Fix typo.
9582 2006-06-02 Roger Sayle <roger@eyesopen.com>
9584 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9585 are type correct. Clean-up.
9586 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9587 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9589 2006-06-01 DJ Delorie <dj@redhat.com>
9591 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9592 shift, as we've disabled the "switch" insn that needs it.
9594 2006-06-01 Per Bothner <bothner@bothner.com>
9596 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9597 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9598 * c-ppoutput.c (cb_define): Don't increment line 0.
9600 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9602 * doc/invoke.texi: Add cpu_type power6.
9603 * config.gcc: Add cpu_type power6.
9604 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9605 to power5+ with Altivec.
9606 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9607 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9609 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9611 * config/avr/avr.h (SET_ASM_OP): Define.
9613 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9615 * config/bfin/bfin.c: Fix comment typos.
9617 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9620 * doc/install.texi: Document --enable-bootstrap and
9621 --disable-bootstrap.
9623 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9625 * doc/install.texi: Document that InfoZIP can replace jar.
9627 2006-05-31 Roger Sayle <roger@eyesopen.com>
9629 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9630 isn't available, directly generate the simpler x87 patterns without
9631 the (use (const_int 0)).
9632 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9633 implementation isn't available.
9634 (*negdf2_1): Likewise.
9635 (*negxf2_1): XF mode negation is always done using the x87.
9636 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9638 2006-05-31 Roger Sayle <roger@eyesopen.com>
9640 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9641 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9643 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9645 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9647 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9648 * config/bfin/bfin.c (basic-block.h): Include.
9649 (struct machine_function): New.
9650 (bfin_init_machine_status): New.
9651 (override_options): Initialize init_machine_status.
9652 (bfin_hardware_loop): New.
9653 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9654 (DEF_VEC_P (loop_info)): New.
9655 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9656 (struct loop_info): New.
9657 (loop_info): New typedef.
9658 (struct loop_work): New.
9659 (loop_work): New typedef.
9660 (DEF_VEC_O (loop_work)): New.
9661 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9662 (bfin_dump_loops): New.
9663 (bfin_bb_in_loop): New.
9664 (bfin_scan_loop): New.
9665 (bfin_optimize_loop): New.
9666 (bfin_reorg_loops): New.
9667 (bfin_reorg): Use bfin_reorg_loops.
9668 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9670 (I_REGNO_P): Simplify.
9671 (DP_REGNO_P, DPREG_P): New macros.
9672 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9673 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9674 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9675 Add LT_REGS, LC_REGS, LB_REGS.
9676 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9678 (REGNO_REG_CLASS): Deal with loop registers.
9679 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9681 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9682 New constants for loop registers.
9683 (UNSPEC_LSETUP_END): New.
9684 (seq_insns): New define_attr. Set it for appropriate insns.
9685 (movsi_insn): Add alternatives for move from/to
9686 loop count registers.
9687 (doloop_end): New define_expand.
9688 (loop_end): New define_insn.
9689 (define_split for bad doloop_end): New.
9690 (lsetup_with_autoinit): New define_insn.
9691 (lsetup_without_autoinit): New define_insn.
9692 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9693 * config/bfin/predicates.md (lc_register_operand): New.
9694 (lt_register_operand): New.
9695 (lb_register_operand): New.
9696 (nondp_register_operand): New.
9697 (nondp_reg_or_memory_operand): New.
9698 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9700 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9702 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9703 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9705 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9707 * Makefile.in (CATALOGS): Add po/ prefix.
9708 * configure: Regenerated.
9710 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9713 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9714 a shift operand before calling shift_op. Avoid redundant call of
9717 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9718 DJ Delorie <dj@redhat.com>
9720 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9721 we're inserting is a singlt-bit constant.
9723 2006-05-30 Roger Sayle <roger@eyesopen.com>
9725 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9726 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9728 2006-05-30 Roger Sayle <roger@eyesopen.com>
9730 PR tree-optimization/23452
9731 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9732 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9733 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9734 complex values and with -ffast-math for FP complex values.
9736 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9738 * c-common.h: Remove the prototype for yyparse.
9739 * rtl.h: Remove the prototype for init_loop.
9741 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9743 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9746 2006-05-30 Roger Sayle <roger@eyesopen.com>
9748 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9750 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9751 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9753 2006-05-30 Dirk Mueller <dmueller@suse.de>
9756 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9757 for CONSTANT_CLASS_P expresisons.
9759 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9762 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9764 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9766 PR tree-optimization/27779
9767 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9768 initial_condition instead of CHREC_LEFT.
9770 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9772 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9773 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9774 Make prototypes ISO C90.
9776 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9777 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9779 * see.c (see_analyze_one_def): Correct check.
9780 (see_get_extension_data): Check if extension is parallel.
9781 (see_get_extension_reg): Likewise.
9783 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9786 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9787 into register for (code == GTU).
9789 2006-05-29 Roger Sayle <roger@eyesopen.com>
9791 PR tree-optimization/24964
9792 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9793 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9794 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9795 abs(x)*abs(x) as x*x for scalar floating point modes.
9797 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9800 * lambda-code.c (perfect_nestify): Don't copy statements
9801 in the inner loop: move them to the inner loop header.
9803 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9806 * c-tree.texi: Document OpenMP directives and clauses.
9808 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9810 * varasm.c (globalize_decl): Fix indentation.
9812 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9815 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9816 pass_fre, pass_store_ccp, pass_copy_prop,
9817 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9818 pass_return_slot, pass_object_size, pass_lim,
9819 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9820 pass_loop_prefetch and pass_stdarg.
9822 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9824 * config/bfin/bfin.opt (mfdpic): New option.
9825 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9826 (EXTRA_MULTILIB_PARTS): Likewise.
9827 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9828 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9830 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9831 (CRT_CALL_STATIC_FUNCTION): New.
9832 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9834 (CRT_CALL_STATIC_FUNCTION): New.
9835 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9837 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9838 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9839 (initialize_trampoline): Changed to handle FD-PIC code generation.
9840 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9841 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9842 (override_options): Disallow -mid-shared-library -mfdpic combination.
9843 Can't do unaligned ops if FD-PIC.
9844 Turn off flag_pic if trying to generate non-id-shared-library
9845 non-fdpic code, since it's not supported.
9846 (bfin_assemble_integer): New function.
9847 (TARGET_ASM_INTEGER): Define.
9848 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9850 * config/bfin/crtn.s: Restore them.
9851 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9853 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9854 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9855 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9856 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9857 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9859 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9860 FDPIC_REGS and FDPIC_FPTR_REGS.
9861 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9862 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9863 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9864 (load_funcdescsi): New pattern.
9865 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9866 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9867 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9869 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9871 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9874 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9876 * tree-flow.h: Remove the prototype for add_type_alias.
9877 * tree-ssa-alias.c (add_type_alias): Remove.
9879 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9881 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9882 config/fr30/fr30.md, config/i386/i386-interix.h,
9883 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9884 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9885 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9886 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9887 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9888 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9889 Follow spelling conventions.
9890 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9891 Follow spelling conventions.
9893 2006-05-27 Richard Guenther <rguenther@suse.de>
9896 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9897 to produce a constant of value 1 of generic type.
9899 2006-05-27 Dirk Mueller <dmueller@suse.de>
9901 * cgraphunit.c (decide_is_function_needed): Fix wrong
9904 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9906 PR rtl-optimization/27661
9907 * reload.c (find_reloads): When reloading a VOIDmode constant
9908 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9909 use Pmode as mode of the reload register.
9911 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9913 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9914 is enabled at -O and above.
9916 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9919 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9922 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9925 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9926 for anonymous variables explicitly declared by front ends.
9928 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9930 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9931 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9932 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9933 ref-all pointers, run a finalization pass for them.
9934 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9935 (finalize_ref_all_pointers): New function.
9936 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9937 regular pointer type to a ref-all pointer type.
9938 (get_tmt_for): Return the special memory tag for ref-all pointers.
9940 2006-05-25 Richard Guenther <rguenther@suse.de>
9943 * fold-const.c (fold_binary): Do not look at the stripped
9944 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9946 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9948 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9949 for LT and GT if the computed range is effectively empty.
9951 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9954 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9955 mips_quad_format formats instead of ieee_single_format,
9956 ieee_double_format and ieee_quad_format formats, respectively.
9958 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9960 PR tree-optimization/27639
9961 PR tree-optimization/26719
9962 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9963 call to scev_probably_wraps_p.
9964 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9965 used_in_pointer_arithmetic_p, convert_step): Removed.
9966 (nowrap_type_p): New function.
9967 (scev_probably_wraps_p): Rewritten.
9968 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9969 chrec_convert if chrec_convert_aggressive might have been used.
9970 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9971 scev_direction): New functions.
9972 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9973 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9974 instead of convert_step.
9975 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9976 (convert_step): Declaration removed.
9977 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9979 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9981 * df-core.c: Added to header comments.
9982 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9983 df_ur_bb_info, df_urec_bb_info): Added comments.
9984 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9985 urec, ri problems): Fixed header comments.
9986 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9987 code from df_rd_transfer_function.
9989 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9991 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9992 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9993 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9995 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9997 * expr.c (undefined_operand_subword_p): New.
9998 (emit_move_multi_word): Do not generate move from undefined bits
9999 of a paradoxical subreg.
10001 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10003 PR rtl-optimization/27736
10004 * combine.c (replaced_rhs_value): New variable.
10005 (combine_instructions): Set it.
10006 (distribute_notes): When distributing a note in replaced_rhs_insn,
10007 check whether the value was used in replaced_rhs_value.
10009 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10012 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10013 add_referenced_var instead of add_referenced_tmp_var.
10014 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10015 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10016 add_referenced_var.
10017 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10018 tree_optimize_tail_calls_1): Use add_referenced_var.
10019 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10020 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10021 Use add_referenced_var.
10022 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10023 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10024 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10025 Use add_referenced_var.
10026 * tree-dfa.c (struct walk_state): Remove.
10027 (find_referenced_vars): Remove walk state and vars_found hash table.
10028 (make_rename_temp): Use add_referenced_var.
10029 (find_vars_r): Pass less parameters to add_referenced_var.
10030 (referenced_var_p): New. Is var in referenced_var hash table.
10031 (referenced_var_insert): Assert var isn't already in hash table.
10032 (add_referenced_var): Don't need walk_state parameter. Add var if it
10033 isn't already in the hash table.
10034 (add_referenced_tmp_var): Remove.
10035 (find_new_referenced_vars_1): Use add_referenced_var.
10036 * tree-ssa-pre.c (create_expression_by_pieces,
10037 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10038 Use add_referenced_var.
10039 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10040 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10041 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10042 add_referenced_var.
10043 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10044 vect_create_data_ref_ptr, vect_create_destination_var,
10045 vect_init_vector, vect_build_loop_niters,
10046 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10047 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10048 Use add_referenced_var.
10049 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10050 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10051 (add_referenced_var): Add prototype.
10052 * tree-ssa-structalias.c (get_constraint_for,
10053 intra_create_variable_infos): Use add_referenced_var.
10055 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10057 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10058 big-endian paradoxical subregs.
10059 * var-tracking.c (struct micro_operation_def): Document that,
10060 for modify micro operations, insn is the subsequent instruction.
10061 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10062 (var_reg_set, var_mem_set): ... new functions.
10063 (add_stores): Record subsequent insn.
10064 (compute_bb_dataflow): Use new functions for MO_USE.
10065 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10066 notes after the insn, and modify notes before the insn known
10067 to be the subsequent one.
10068 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10070 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10073 * config/i386/i386.c (ix86_expand_builtin): Use
10074 gen_sse3_monitor64 for TARGET_64BIT.
10076 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10078 PR rtl-optimization/26375
10079 PR rtl-optimization/26855
10080 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10082 (df_ru_bb_local_compute): Reversed statements and removed bogus
10083 comment explaining why they should be in wrong order.
10084 (df_ru_dump, df_rd_dump): Enhanced debug info.
10085 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10087 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10088 reaching uses and fixed space problem.
10090 2006-05-23 Jan Hubicka <jh@suse.cz>
10092 * cgraphunit.c (decide_is_function_needed): Also nested functions
10093 and functions declared inline can be optimized out at -O0.
10095 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10097 * doc/install.texi (Configuration): Remove reference to CrossGCC
10098 FAQ which was gone.
10101 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10104 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10105 ix86_compare_emitted is non-NULL.
10107 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10110 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10113 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10115 PR rtl-optimization/25514
10116 * combine.c (replaced_rhs_insn): New variable.
10117 (combine_instructions): Set replaced_rhs_insn when trying to replace
10118 a SET_SRC with a REG_EQUAL note.
10119 (distribute_notes): Use replaced_rhs_insn when determining the live
10120 range of a REG_DEAD register.
10122 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10123 Anatoly Sokolov <aesok@post.ru>
10125 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10126 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10127 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10128 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10129 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10130 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10131 at90usb647, at90usb1286 and at90usb1287 devices.
10132 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10133 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10135 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10137 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10139 2006-05-22 Richard Guenther <rguenther@suse.de>
10142 2006-01-31 Richard Guenther <rguenther@suse.de>
10143 Paolo Bonzini <bonzini@gnu.org>
10145 * doc/install.texi (--disable-libgcc-math): Document.
10147 2006-05-22 Richard Guenther <rguenther@suse.de>
10150 2006-01-31 Richard Guenther <rguenther@suse.de>
10152 * doc/invoke.texi (-msselibm): Document.
10153 * target.h (expand_library_builtin): New target hook.
10154 * builtins.c (expand_builtin): Use expand_library_builtin.
10155 (default_expand_library_builtin): New function.
10156 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10157 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10158 (link_gcc_math_spec): Declare.
10159 (static_specs): Add link_gcc_math_spec.
10160 * expr.h (default_expand_library_builtin): Declare.
10161 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10162 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10163 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10164 * config/i386/i386.opt (msselibm): New target option.
10165 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10166 (ix86_init_sse_abi_builtins): New function.
10167 (ix86_expand_library_builtin): Likewise.
10168 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10169 (override_options): Handle error conditions wrt -msselibm.
10170 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10171 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10172 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10175 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10178 * c-common.c (self_promoting_args_p): Skip erroneous args.
10181 * c-decl.c (finish_struct): Skip erroneous fields.
10183 2006-05-22 Nick Clifton <nickc@redhat.com>
10185 * config/cris/cris.opt (march): Remove VarExists attribute.
10186 (max-stackframe=): Likewise.
10188 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10190 * doc/rtl.texi: Fix a typo.
10191 * see.c: Fix comment typos.
10193 * tree-ssa-structalias.h (alias_info): Remove num_references.
10195 2006-05-21 Mike Stump <mrs@apple.com>
10197 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10199 (darwin_pragma_options): Use BAD instead.
10200 (darwin_pragma_unused): Likewise.
10201 (darwin_pragma_ms_struct): Likewise.
10203 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10205 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10207 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10209 PR rtl-optimization/27671
10210 * simplify-rtx.c (simplify_relational_operation_1): Fix
10211 simplifications of (eq/ne (xor x y) y) and
10212 (eq/ne (xor x y) x).
10214 PR tree-optimization/26622.
10215 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10218 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10220 * tree-cfg.c: Prune whitespace.
10221 (debug_tree_cfg): Point to correct header containing the
10224 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10226 PR middle-end/25776
10227 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10229 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10231 PR middle-end/25776
10232 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10233 or sorry count is non zero.
10235 2006-05-20 Andreas Schwab <schwab@suse.de>
10237 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10239 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10240 Kenneth Zadeck <zadeck@naturalbridge.com>
10242 PR rtl-optimization/26855
10244 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10246 (df_scan_alloc): Added code to properly handle multiword hard
10247 registers and add all_blocks parameter.
10248 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10249 code to properly handle multiword hard registers.
10250 (df_rescan_blocks): Added code to remove deleted blocks from
10252 (df_ref_create_structure, df_ref_record): Added code to properly
10254 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10255 and set DF_REF_PARTIAL.
10256 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10257 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10258 (df_scan_add_problem): Added flags parameter.
10259 (df_ref_create_structure): Changed switching structure.
10260 (df_bb_refs_record): Fixed case where duplicate artificial refs
10261 were created. Changed location of flags.
10262 (df_record_entry_block_defs): Added code to make stack pointer
10263 live in entry block. Refined cases where frame pointer is needed.
10264 Changed location of flags.
10265 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10266 (df_set_state): Removed function.
10267 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10268 df_insn_create_insn_record, df_insn_refs_delete,
10269 df_ref_create_structure): Formatting changes.
10270 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10271 df_delete_basic_block): New function.
10272 (df_init): Changed location of flags.
10273 (df_add_problem): Added flags parameter and the way flags are
10275 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10276 debug_df_chain): Improved debugging output.
10277 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10278 (df_refs_chain_dump): Removed df parameter.
10279 (df_iterative_dataflow): Added consistency check.
10280 (df_prune_to_subcfg): Made public.
10281 (df_analyze_problem): Added blocks_to_init parameter and made
10283 (df_ref_record, df_bb_refs_record, df_mark_reg,
10284 df_record_exit_block_uses): Whitespace changes.
10285 (df_dump): Whitespace changes.
10286 * df.h: Some reordering to remove forward references.
10287 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10288 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10289 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10290 (dataflow.flags): New field.
10291 (df.flag): Deleted field.
10292 (df_alloc_function): Added additional bitmap parameter.
10293 (df_dependent_problem_function): New type.
10294 (df_problem.changeable_flags): New field.
10295 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10296 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10297 (df_mw_hardreg): New struct.
10298 (DF_INSN_UID_MWS): New macro.
10299 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10301 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10302 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10303 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10304 (df_set_state): Removed function.
10305 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10306 * df-problems.c (df_chain_dump): Removed df parameter.
10307 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10308 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10310 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10311 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10312 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10313 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10314 DF_REF_MUST_CLOBBER cases.
10315 (df_ru_bb_local_compute_process_def,
10316 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10317 df_lr_bb_local_compute, df_ur_bb_local_compute,
10318 df_chain_create_bb): Made subreg aware.
10319 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10320 df_lr_bb_local_compute, df_lr_bb_local_compute,
10321 df_chain_create_bb): Cleanup to use proper macros.
10322 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10323 code to fixup bitvectors.
10324 (df_ri_alloc): Cleared lifetime.
10325 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10326 df_create_unused_note): New function.
10327 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10328 REG_DEAD and REG_UNUSED notes as well as register information.
10329 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10330 df_chains_dump): Fixed crash if problem was never run.
10331 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10332 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10333 df_ri_add_problem): Processes flags in uniform manner.
10334 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10335 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10336 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10337 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10338 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10339 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10340 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10341 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10342 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10343 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10344 * see.c (see_initialize_data): Ditto.
10345 * final.c (rest_of_clean_state) Added regstack_completed.
10346 * rtl.h (regstack_completed): Ditto.
10347 * reg-stack.c (regstack_completed): Ditto.
10349 2006-05-19 Mike Stump <mrs@apple.com>
10351 * c-tree.h (default_conversion): Remove.
10352 * c-common.h (default_conversion): Add.
10354 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10356 * tree-vrp.c (valid_value_p): New function.
10357 (adjust_range_with_scev): Fail if the value of bound is not
10360 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10362 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10363 (mips_fallback_frame_state): Use syscall numbers to determine
10364 the appropriate li instruction for the current ABI. Only use
10365 __NR_sigreturn for o32.
10367 2006-05-19 Nicolas Setton <setton@adacore.com>
10369 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10370 * langhooks.c (lhd_dwarf_name): New function.
10371 * langhooks-def.h (lhd_dwarf_name): Declare.
10372 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10373 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10375 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10377 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10379 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10380 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10381 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10382 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10383 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10384 determine the size of Wtype, etc.
10385 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10386 (swfloatfuncs): New variable.
10387 (dwfloatfuncs): Likewise.
10388 (lib2funcs): Remove floating-point conversion functions from
10389 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10390 the set of conversion routines needed. Allow entries to specify
10391 an object name, filename and word size. Update users accordingly.
10392 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10393 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10397 2006-02-08 Roger Sayle <roger@eyesopen.com>
10400 * config/fixtfdi.c: New libgcc source file.
10401 * config/fixunstfdi.c: New source file.
10402 * config/floatditf.c: New source file.
10403 * config/floatunditf.c: New souce file.
10404 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10405 files above instead of config/mips/_tilib.c.
10406 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10408 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10410 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10411 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10413 2006-05-18 Mike Stump <mrs@apple.com>
10415 Fix up vla, vm and [*] sematics.
10421 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10422 (c_vla_unspec_p): Add.
10423 (c_vla_type_p): Add.
10424 * c-decl.c (struct c_scope): Add had_vla_unspec.
10425 (build_array_declarator): Add support for [*].
10426 (grokdeclarator): Likewise.
10427 (grokparms): Likewise.
10428 (get_parm_info): Likewise.
10429 * c-objc-common.c (c_vla_unspec_p): Likewise.
10430 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10431 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10432 typeof when argument is a variably modified type not inside sizeof or alignof.
10433 (c_parser_direct_declarator_inner): Propagate errors.
10434 (c_parser_sizeof_expression): Add support for [*].
10435 (c_parser_parms_declarator): Initialize had_vla_unspec.
10436 (c_parser_parms_list_declarator): Likewise.
10437 * c-typeck.c (c_vla_type_p): Add.
10438 (composite_type): Add support for vla compositing.
10439 (comptypes_internal): Add support for vla compatibility.
10440 (c_expr_sizeof_expr): Evaluate vla arguments.
10441 * tree.c (variably_modified_type_p): Update comment for [*].
10443 2006-05-18 Michael Matz <matz@suse.de>
10446 * config.host: Make assignments to host_xmake_file cumulative.
10447 * config.host (*-darwin*): Test $host, not $target.
10449 2006-05-12 Stuart Hastings <stuart@apple.com>
10451 * config/i386/i386.opt (-mstackrealign): New flag.
10452 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10453 (ix86_handle_cconv_attribute): Emit error when
10454 force_align_arg_pointer attribute collides with too many regparms.
10455 (ix86_function_regparm): Limit regparms when used with
10456 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10457 Support stack-realigning prologue in non-main functions. Emit
10458 warning for nested functions under -mstackrealign, emit error for
10459 nested functions with force_align_arg_pointer attribute.
10460 * doc/extend.texi (force_align_arg_pointer): Document it.
10461 * doc/invoke.texi (-mstackrealign): Document it.
10463 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10465 PR rtl-optimization/27477
10466 * combine.c (try_combine): Don't split a parallel consisting
10467 of two sets into two individual sets if both sets reference
10470 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10472 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10473 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10475 * doc/options.texi (VarExists): Updated.
10477 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10479 * unwind-dw2.c: Add declarations for uw_update_context and
10480 uw_frame_state_for.
10481 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10482 detected, advance frame state and context once to skip over stub.
10484 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10486 PR middle-end/20256
10487 PR middle-end/26435
10488 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10489 Call rewrite_into_loop_closed_ssa only when something changed.
10490 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10491 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10492 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10493 Test for perfect_nest_p here. Fix formating.
10494 (replace_uses_equiv_to_x_with_y): Fix formating.
10495 (stmt_uses_op): Removed.
10496 (can_convert_to_perfect_nest): Removed loopivs parameter.
10497 Complete the test by checking the scalar dependences.
10498 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10501 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10504 From Dan Kegel <dank@kegel.com>:
10505 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10507 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10509 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10510 if the element type is variably modified without recursing.
10512 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10514 PR middle-end/27332
10515 * tree-loop-linear.c (try_interchange_loops): Test for
10516 no data dependences.
10518 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10520 PR tree-optimization/27548
10521 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10522 range of ssa names that appear on abnormal edges.
10523 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10524 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10526 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10528 PR middle-end/27620
10529 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10531 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10533 PR middle-end/27415
10534 * tree.h (OMP_PARALLEL_COMBINED): Define.
10535 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10536 (new_omp_context): Add is_combined_parallel argument.
10537 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10538 new_omp_context caller.
10539 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10540 Adjust gimplify_scan_omp_clauses callers.
10541 (omp_is_private): Issue errors if iteration variable is firstprivate
10542 or reduction in the current context.
10543 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10544 on combined parallel workshare constructs.
10546 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10548 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10549 (gcc-options.o): New rule.
10551 * optc-gen.awk: Protect variables for gcc-options.o with
10552 #ifdef GCC_DRIVER/#endif.
10554 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10556 Fix PR tree-optimization/27373
10557 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10558 (forward_propagate_addr_expr): Update call.
10560 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10562 * doc/options.texi: Move the Negative option.
10564 2006-05-16 Richard Guenther <rguenther@suse.de>
10566 PR tree-optimization/22303
10567 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10569 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10570 ccp_fold did not simplify the statement.
10572 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10575 * Makefile.in (GCC_OBJS): New.
10576 (OBJS-common): Add opts-common.o.
10577 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10578 (cpp$(exeext)): Likewise.
10579 (gcc.o): Also depend on opts.h.
10580 (opts-common.o): New.
10582 * common.opt (gcoff): Add Negative(gdwarf-2).
10583 (gdwarf-2): Add Negative(gstabs).
10584 (gstabs): Add Negative(gstabs+).
10585 (gstabs+): Add Negative(gvms).
10586 (gvms): Add Negative(gxcoff).
10587 (gxcoff): Add Negative(gxcoff+).
10588 (gxcoff+): Add Negative(gcoff).
10589 * config/i386/i386.opt (m32): Add Negative(m64).
10590 (m64): Add Negative(m32).
10592 * doc/options.texi: Document the Negative option.
10594 * gcc.c: Include "opts.h".
10595 (main): Call prune_options after expandargv.
10597 * optc-gen.awk: Generate common declarations for all flag
10598 variables in options.c. Output the neg_index field.
10600 * opts.c (find_opt): Moved to ...
10601 * opts-common.c: Here. New file.
10603 * opts.h (cl_option): Add a neg_index field.
10605 (prune_options): Likewise.
10607 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10609 PR middle-end/27573
10610 * omp-low.c (expand_omp_parallel): Don't assert
10611 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10612 instead search for it.
10615 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10618 2006-05-16 Andreas Schwab <schwab@suse.de>
10620 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10623 2006-05-15 Roger Sayle <roger@eyesopen.com>
10626 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10627 integer constants other than zero are only legitimate on TARGET_64BIT.
10628 <CONST_VECTOR> Only zero vectors are legitimate.
10629 (ix86_cannot_force_const_mem): Integral and vector constants can
10630 always be put in the constant pool.
10632 2006-05-16 DJ Delorie <dj@redhat.com>
10634 * crtstuff.c (__dso_handle): Set section from
10635 TARGET_LBIGCC_SDATA_SECTION if defined.
10636 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10637 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10639 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10642 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10645 2006-05-16 Ben Elliston <bje@au.ibm.com>
10647 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10649 2006-05-15 Per Bothner <per@bothner.com>
10651 * tree.c: (last_annotated_node): Use source_locus typedef.
10652 This permits bootstrapping with --enable-mapped-location.
10654 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10656 PR tree-optimization/26830
10657 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10658 (info_for_ssa_name, current_info_for_ssa_name_age,
10659 blocks_to_update): New variables.
10660 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10661 (clear_ssa_name_info, initialize_flags_in_bb,
10662 mark_block_for_update): New functions.
10663 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10664 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10665 prepare_def_site_for): Use mark_block_for_update.
10666 (mark_def_interesting): Assert that the processed block is marked in
10667 blocks_to_update. Do not take blocks argument.
10668 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10670 (rewrite_update_init_block, rewrite_update_stmt): Only process
10671 blocks with statements to rewrite.
10672 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10673 (update_ssa): Initialize and free blocks_to_update. Do not
10674 clear flags on statements. Do not use blocks bitmap.
10675 * tree.h (SSA_NAME_AUX): Removed.
10676 (struct tree_ssa_name): Removed aux field.
10677 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10679 2006-05-15 Richard Guenther <rguenther@suse.de>
10681 PR tree-optimization/27603
10682 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10683 Do computations in original type.
10685 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10687 * see.c: Code style changes such as redundant paranthesis,
10688 redundant intialization of local variables etc.
10689 (see_main): Declared now as static.
10690 * doc/invoke.texi: Update that -fsee is not enabled by
10693 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10695 * omp-low.c (check_omp_nesting_restrictions): New function.
10696 (scan_omp_1): Call it.
10698 PR middle-end/27416
10699 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10700 construct, return *VAR.
10702 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10704 PR rtl-optimization/27406
10705 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10708 2006-05-14 Roger Sayle <roger@eyesopen.com>
10710 PR rtl-optimization/27538
10711 * combine.c (expand_compound_operation): Call gen_lowpart
10712 before calling simplify_shift_const.
10714 2006-05-14 Roger Sayle <roger@eyesopen.com>
10716 PR rtl-optimization/22563
10717 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10718 a fixed width bitfield, always force the intermediates into psuedos.
10720 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10723 * mkconfig.sh: Use operator = instead of == for test.
10725 2006-05-13 Nick Clifton <nickc@redhat.com>
10727 * dwarf2out.c (dbx_reg_number): Check return value from
10728 LEAF_REG_REMAP and only use it if it is valid.
10729 (multiple_reg_loc_descriptor): Likewise.
10731 2006-05-13 Richard Guenther <rguenther@suse.de>
10733 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10736 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10738 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10739 information attached to non-INSNs such as NOTEs.
10740 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10742 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10744 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10746 * config/s390/s390.md: Adjust comment describing On constraint.
10748 2006-05-11 Jan Hubicka <jh@suse.cz>
10750 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10751 to be output at -O0.
10753 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10755 PR middle-end/27384
10756 * fold-const.c (size_binop): Move sanity check for arguments to
10757 the beginning of the function.
10759 PR middle-end/27488
10760 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10763 2006-05-11 Richard Guenther <rguenther@suse.de>
10765 PR middle-end/27529
10766 * fold-const.c (fold_unary): Handle intermediate conversion
10767 to a pointer type like intermediate conversion to an integer
10768 type in folding of (T1)(T2)var to var.
10769 Match the code to the comment in the final conversion for
10770 (T1)(T2)var to (T1)var regarding to type precision. Rather
10771 than disallow T1 being of pointer type, assert that both T1
10772 and var are of pointer type or not. Make sure not to fall
10773 over the frontends lazyness wrt array to pointer decay though.
10775 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10777 * arm.c (arm_struct_value_rtx): Delete.
10778 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10779 (arm_init_cumulative_args): Always initialize nregs to zero.
10781 2006-05-10 Richard Guenther <rguenther@suse.de>
10783 PR tree-optimization/27532
10784 * tree-object-size.c (plus_expr_object_size): Fix typo.
10786 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10789 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10790 ashrdi_const, ashrdi3): Use a scratch register.
10792 2006-05-10 Richard Guenther <rguenther@suse.de>
10794 PR tree-optimization/27302
10795 * fold-const.c (operand_equal_p): For two comparisons,
10796 try comparison of one comparison code swapped if that yields
10799 2006-05-10 Ben Elliston <bje@au.ibm.com>
10801 * tree-pretty-print.c (pretty_print_string): No need to handle
10802 '\0' as a special character.
10804 * tree.h: Include "hashtab.h".
10805 (iterative_hash_expr): Use hashval_t in its prototype.
10806 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10808 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10811 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10812 (hppa*64*-*-hpux11*): Ditto.
10813 (hppa[12]*-*-hpux11*): Ditto.
10815 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10818 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10820 2006-05-09 Michael Matz <matz@suse.de>
10822 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10823 host_extra_gcc_objs and host_xmake_file.
10824 (<*-*-linux*>): Don't overwrite host_xmake_file.
10825 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10826 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10827 (host_detect_local_cpu): Declare.
10828 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10829 * config/i386/i386.c (override_options): Handle -mtune=native
10831 * config/i386/x-i386: New file.
10832 * config/i386/driver-i386.c: New file.
10833 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10836 2006-05-09 Dirk Mueller <dmueller@suse.de>
10837 Richard Guenther <rguenther@suse.de>
10839 PR middle-end/27498
10840 * fold-const.c (fold_read_from_constant_string): Relax check
10841 for matching types to matching modes.
10843 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10845 PR rtl-optimization/27335
10846 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10849 2006-05-08 Chao-ying Fu <fu@mips.com>
10850 Richard Sandiford <richard@codesourcery.com>
10852 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10853 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10854 * config/mips/mips.md (UNSPEC_SCC): New constant.
10855 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10856 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10857 (mips_emit_compare): Use it.
10858 (mips_expand_vcondv2sf): New function.
10860 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10862 Fix PR tree-optimization/27093
10863 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10864 renaming when they become not-used_alone.
10866 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10868 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10869 relocation and relocation stubs.
10871 2006-05-08 Eric Christopher <echristo@apple.com>
10873 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10876 2006-05-08 Jan Hubicka <jh@suse.cz>
10878 PR middle-end/24561
10879 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10880 unused static functions are needed.
10882 2006-05-08 Roger Sayle <roger@eyesopen.com>
10885 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10886 of a reg_equiv_constant if the result is a legitimate constant.
10888 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10891 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10892 standard 80387 constants, raise the cost to prevent
10893 compress_float_constant() to generate load from memory.
10895 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10897 * config/arm/constraints.md (c): Fix a typo.
10899 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10902 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10905 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10907 (_mm_mwait): Likewise.
10909 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10911 (sse3_monitor): Make it 32bit only.
10912 (sse3_monitor64): New. 64bit monitor.
10914 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10917 * config/i386/i386.c (classify_argument): Skip fields with invalid
10920 2006-05-07 Richard Guenther <rguenther@suse.de>
10922 PR tree-optimization/27409
10923 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10924 Do not try to find zero-sized subvars.
10926 2006-05-07 Richard Guenther <rguenther@suse.de>
10928 PR tree-optimization/27136
10929 * tree-ssa-loop-niter.c (get_val_for): Correct function
10930 comment, assert requirements.
10931 (loop_niter_by_eval): Stop processing if the iterated
10932 value did not simplify.
10934 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10936 * opts.c (flag_see): remove its setting at -O3.
10938 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10940 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10941 * arm/constraints.md: New file.
10942 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10943 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10944 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10945 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10946 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10947 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10948 * arm.md: Include constraints.md.
10949 (thumb_movsi_insn): Use satisfies_constraint_J.
10950 (movhi, movqi): Use satisfies_constraint_I.
10952 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10954 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10955 for atmeg a645 device.
10957 2006-05-06 Richard Guenther <rguenther@suse.de>
10959 PR tree-optimization/27151
10960 * tree-vect-transform.c (vectorizable_condition): Punt on
10961 values that have a different type than the condition.
10963 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10966 * c-parser.c (c_parser_cast_expression): Only insert casts into
10967 hash table if pointer.
10968 * function.c (used_types_insert_helper): Rename from
10970 (used_types_insert): Call used_types_insert_helper.
10971 * function.h (used_types_insert): Accept only one argument.
10973 2006-05-05 David Edelsohn <edesohn@gnu.org>
10975 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10976 scratch with output modifier.
10978 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10981 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10982 with output modifier.
10984 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10987 * config/mips/mips.c (mips_symbolic_address_p): Return true
10988 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10989 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10991 2006-05-04 Richard Guenther <rguenther@suse.de>
10993 PR tree-optimization/14287
10994 PR tree-optimization/14844
10995 PR tree-optimization/19792
10996 PR tree-optimization/21608
10997 PR tree-optimization/27090
10998 * tree-ssa-pre.c (try_combine_conversion): New function.
10999 (compute_avail): After constructing the value-handle
11000 expression, use try_combine_conversion to combine NOP_EXPRs
11001 with previous value-handle expressions and use the result if it
11004 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11006 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11008 2006-05-04 Jan Hubicka <jh@suse.cz>
11010 PR middle-end/25962
11011 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11013 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11015 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11016 that this only matches CONST_INTs. All users changed to VOIDmode
11019 * config/bfin/bfin.c: Include "optabs.h".
11020 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11022 (enum bfin_builtins): Add a number of fractional and vector builtins.
11023 (bfin_init_builtins): Likewise.
11024 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11025 (safe_vector_operand, bfin_expand_binop_builtin,
11026 bfin_expand_unop_builtin): New functions.
11027 (bfin_expand_builtin): Handle the new builtins.
11028 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11031 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11034 * Makefile.in (OBJS-common): Add see.o.
11035 (see.o): Add dependencies.
11036 * common.opt (fsee): New flag for the see optimization was added.
11037 * opts.c (flag_see): Initialized.
11038 * passes.c (init_optimization_passes, pass_see): New pass.
11039 * rtl.h (see_main): Declaration as extern.
11040 * timevar.def (TV_SEE): New.
11041 * tree-pass.h (pass_see): Declaration as extern.
11042 * invoke.texi (-fsee): Document.
11043 * recog.c (validate_simplify_insn): New function.
11044 * recog.h (validate_simplify_insn): Declaration as extern.
11045 * df-problems.c (df_chain_dump): Check for NULL.
11047 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11048 Daniel Berlin <dberlin@dberlin.org>
11050 * cfgrtl.c (insert_insn_bb_end_new): New function.
11051 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11053 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11055 * df.h (struct web_entry): Moved from web.c.
11056 (union_defs): Declaration as extern.
11057 (unionfind_root): Likewise.
11058 (unionfind_union): Likewise.
11059 * web.c (struct web_entry): Moved to df.h.
11060 (unionfind_root): Remove static declaration.
11061 (unionfind_union): Likewise.
11062 (union_defs): Likewise and generalize to use callback function.
11063 (web_main): Update arguments for union_defs function call.
11065 2006-05-04 Richard Guenther <rguenther@suse.de>
11067 PR tree-optimization/26447
11068 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11069 produce SSA_NAME copies before the store stmt to avoid
11070 breaking exception handling.
11072 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11074 PR middle-end/27388
11075 * gimplify.c (omp_is_private): If var is shared in some outer context,
11076 return false instead of true. Stop searching on parallel context
11079 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11082 * coverage.c: Use get_gcov_unsigned_t() instead of
11083 unsigned_type_node all over.
11085 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11087 PR tree-optimization/27381
11088 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11089 maintain the same immediate_use links.
11090 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11091 node rather than segfaulting.
11093 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11096 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11097 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11098 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11100 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11102 Fix PR tree-optimization/26626
11103 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11105 * tree-ssa-operands.c (access_can_touch_variable): Allow
11106 typecasting through union pointers.
11108 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11111 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11112 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11113 to find if var will be a global variable even in the nested context.
11114 (omp_copy_decl): Only check for global variable at the end, it might
11115 be overridden in outer contexts.
11116 (scan_sharing_clauses): For global variables don't create a field.
11117 (lower_rec_input_clauses): Do nothing for global shared variables.
11118 Emit a barrier at the end of ILIST if there were any decls in both
11119 firstprivate and lastprivate clauses.
11120 (lower_send_clauses): Do nothing for global variables except for
11123 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11125 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11126 of the correct signedness is returned.
11128 2006-05-02 Jeff Law <law@redhat.com>
11130 PR tree-optimization/27364
11131 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11132 multiply expressions.
11134 2006-05-02 Tom Tromey <tromey@redhat.com>
11136 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11138 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11141 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11142 -mthumb -fPIC are used.
11144 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11145 Joshua Kinard <kumba@gentoo.org>
11148 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11149 with 64-bit pointers.
11151 2006-05-02 Paul Brook <paul@codesourcery.com>
11153 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11155 (create_fix_barrier): Check that a suitable barrier location is
11157 (arm_reorg): Include ftmp->address in allowable range of addresses.
11159 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11162 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11165 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11167 PR middle-end/27337
11168 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11169 around RESULT_DECL for result passed by reference.
11170 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11171 * omp-low.c (use_pointer_for_field): Don't look at
11172 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11173 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11174 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11175 time or var for passing by reference for
11176 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11177 TREE_ADDRESSABLE variables when passing by reference.
11179 * omp-low.c (dump_omp_region): Fix output formatting.
11181 PR middle-end/27328
11182 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11183 (expand_omp_parallel): Likewise.
11184 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11186 PR middle-end/27325
11187 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11188 on statement list containing also constructors and destructors.
11189 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11191 PR middle-end/27310
11192 * except.c (duplicate_eh_regions): Fix clearing of
11193 cfun->eh->region_array entries.
11195 2006-05-01 DJ Delorie <dj@redhat.com>
11197 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11199 (gcc_cv_objdump): Likewise.
11200 * configure: Regenerated.
11202 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11205 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11206 templates for case 3 and 4.
11208 2006-05-01 DJ Delorie <dj@redhat.com>
11210 * vec.c: Include bconfig.h when appropriate.
11211 * Makefile.in (build/vec.o): Adjust dependencies.
11212 * mkconfig.sh: Make sure config.h isn't used for build machine
11215 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11217 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11219 (mark_phi_for_rewrite): New function.
11220 (insert_phi_nodes_for, mark_use_interesting): Call
11221 mark_phi_for_rewrite.
11222 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11223 (update_ssa): Initialize and free phis_to_rewrite.
11225 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11227 PR rtl-optimization/27291
11228 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11229 folded to a constant.
11231 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11233 PR tree-optimization/27283
11234 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11235 not whole # of iteration descriptions.
11236 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11237 uses abnormal ssa name.
11238 (niter_for_single_dom_exit): Ditto.
11239 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11240 return just the number of iterations.
11242 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11244 PR tree-optimization/27144
11245 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11246 (record_estimate): Only record constant upper bound.
11247 (infer_loop_bounds_from_undefined): Call
11248 compute_estimated_nb_iterations just once.
11249 (proved_non_wrapping_p): Renamed to ...
11250 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11251 (convert_step_widening, scev_probably_wraps_p): Call
11252 n_of_executions_at_most instead of proved_non_wrapping_p.
11253 (substitute_in_loop_info): Do not replace values in bounds.
11254 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11257 2006-05-01 Richard Henderson <rth@redhat.com>
11260 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11261 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11264 2006-05-01 Roger Sayle <roger@eyesopen.com>
11266 * c-typeck.c (parser_build_binary_op): Don't call the function
11267 unsigned_conversion_warning to spot operand/result type overflow.
11268 (build_binary_op): Instead, call convert_and_check instead of
11269 convert to report the problem when the operands are promoted.
11270 * c-common.c (unsigned_conversion_warning): Make static.
11271 * c-common.h (unsigned_conversion_warning): Delete prototype.
11273 2006-05-01 Richard Guenther <rguenther@suse.de>
11275 PR tree-optimization/26726
11276 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11278 (find_interesting_uses_address): ... we work around here
11279 by folding INDIRECT_REFs in the substituted base.
11281 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11283 * omp-low.c (dump_omp_region): Add newlines.
11285 2006-04-30 Roger Sayle <roger@eyesopen.com>
11287 * common.opt (Woverflow): New command line option.
11288 * c-common.c (constant_expression_warning): Check warn_overflow.
11289 (overflow_waring): Pass OPT_Woverflow to warning.
11290 (unsigned_conversion_warning): Likewise.
11291 (convert_and_check): Likewise.
11292 * doc/invoke.texi: Document new command line option.
11294 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11296 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11297 TARGET_NO_FP_IN_TOC for section anchors.
11298 (optimization_options): Enable section anchors for all
11299 non-"Objective" languages.
11301 2006-04-28 Eric Christopher <echristo@apple.com>
11303 * config/darwin-c.c (darwin_ms_struct): Move this
11304 (darwin_set_default_type_attributes): and this...
11305 * config/darwin.c: ... here.
11306 * config/darwin.h (darwin_ms_struct): Declare.
11308 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11310 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11312 2006-04-28 Roger Sayle <roger@eyesopen.com>
11315 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11316 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11317 an unsigned HOST_WIDE_INT.
11318 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11320 (really_start_incremental_init): No need to call convert because
11321 bitsize_zero_node is already of type bitsizetype.
11322 (push_init_level): Extract the value of constructor_index as an
11323 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11324 (process_init_element): Likewise.
11326 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11328 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11329 value before passing to make_relative_prefix.
11331 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11333 PR middle-end/27260
11334 * builtins.c (expand_builtin_memset): Expand val in original mode.
11336 2006-04-27 Eric Christopher <echristo@apple.com>
11338 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11339 with #ifndef/#endif.
11340 * config/darwin-c.c (darwin_ms_struct): New.
11341 (darwin_pragma_ms_struct): Ditto.
11342 (darwin_set_default_type_attributes): Ditto.
11343 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11344 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11345 Register ms_struct pragma.
11346 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11347 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11348 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11349 darwin_set_default_type_attributes if TARGET_MACHO.
11351 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11353 PR tree-optimization/26854
11354 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11355 * doc/tree-ssa.texi: Update immuse iterator documentation.
11356 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11357 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11358 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11359 first_safe_imm_use, next_safe_imm_use): Remove.
11360 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11361 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11362 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11363 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11364 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11365 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11366 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11367 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11368 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11369 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11370 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11371 (perfect_nestify): Use new iterator.
11372 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11374 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11375 (next_imm_name): New field in struct immediate_use_iterator_d.
11376 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11377 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11378 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11379 * tree-cfg.c (replace_uses_by): Use new iterator.
11380 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11381 * tree-ssa-operands.c (correct_use_link): Remove.
11382 (finalize_ssa_use_ops): No longer call correct_use_link.
11384 2006-04-27 Stuart Hastings <stuart@apple.com>
11386 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11387 * config/t-darwin (crt3.o): Use it.
11388 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11389 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11390 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11391 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11392 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11395 2006-04-27 Roger Sayle <roger@eyesopen.com>
11397 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11398 size, force the intermediate into a new pseudo rather instead of
11399 performing both a bitwise AND and a bitwise IOR in memory.
11401 2006-04-27 Richard Guenther <rguenther@suse.de>
11403 PR rtl-optimization/26685
11404 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11405 this one "max-flow-memory-locations".
11407 2006-04-27 Richard Guenther <rguenther@suse.de>
11409 PR tree-optimization/25148
11410 * tree-vrp.c (compare_values): Remove code dealing with
11411 comparisons against type min/max value. Honour overflow
11412 and negative constants in code dealing with comparisons
11413 of plus and minus expressions.
11414 (value_inside_range): Use fold_binary with LE_EXPR and
11415 GE_EXPR rather than compare_values.
11417 2006-04-27 Dirk Mueller <dmueller@suse.de>
11419 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11422 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11424 * basic-block.h (safe_insert_insn_on_edge): Removed.
11425 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11427 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11428 Paolo Bonzini <bonzini@gnu.org>
11430 PR middle-end/27282
11431 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11432 (simplify_and_const_int): Same.
11434 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11436 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11438 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11441 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11442 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11443 cgraph_global_info_ready.
11445 PR middle-end/26913
11446 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11449 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11450 either decl or init is error_mark_node.
11452 PR middle-end/25989
11453 * tree-flow.h (struct omp_region): Add sched_kind.
11454 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11455 instead of extracting omp for data.
11456 (expand_omp_for): Save extracted sched_kind.
11458 2006-04-25 Roger Sayle <roger@eyesopen.com>
11460 * expmed.c (store_bit_field): Also check whether the bitsize is
11461 valid for the machine's "insv" instruction before moving the
11462 target into a pseudo for use with the insv.
11463 * config/i386/predicates.md (const8_operand): New predicate.
11464 * config/i386/i386.md (extv, extzv, insv): Use the new
11465 const8_operand predicate where appropriate.
11467 2006-04-25 DJ Delorie <dj@redhat.com>
11469 * doc/install.texi (Specific): Clarify that this is not a list of
11470 supported hosts or targets.
11472 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11474 PR rtl-optimization/26725
11475 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11476 block's BB_DIRTY flag.
11478 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11480 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11483 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11484 to print an integer.
11486 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11488 * varasm.c (align_variable): New function.
11489 (get_block_for_decl): Apply align_variable to DECL before
11490 calculating section information.
11491 (assemble_variable): Split out alignment computation.
11493 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11495 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11498 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11500 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11501 MODE_PARTIAL_INT mode.
11502 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11503 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11505 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11506 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11508 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11510 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11512 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11513 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11514 MACFLAG_IH): Likewise.
11515 (movstricthi_1): Renamed from "*movstricthi".
11516 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11517 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11518 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11519 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11520 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11521 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11522 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11523 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11524 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11525 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11526 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11527 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11528 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11529 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11530 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11532 * doc/rtl.texi (ss_ashift): Improve wording.
11534 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11536 * dwarf2out.c (verify_marks_clear): New.
11537 (prune_unused_types): Call verify_marks_clear initially, not
11540 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11542 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11543 * doc/rtl.texi: Document them.
11544 * simplify-rtx.c (simplify_unary_operation,
11545 simplify_binary_operation_1): Don't abort when we see them.
11547 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11550 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11551 * configure.ac: Completely disregard languages that are not
11553 * configure: Regenerated.
11555 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11556 Richard Guenther <rguenther@suse.de>
11558 PR tree-optimization/27236
11559 * tree-inline.c (copy_body_r): Make sure to copy
11560 TREE_THIS_VOLATILE flag.
11562 2006-04-24 Richard Guenther <rguenther@suse.de>
11564 PR middle-end/26869
11565 * tree-complex.c (update_parameter_components): Don't handle
11566 unused parameters which have no default def.
11568 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11569 Richard Guenther <rguenther@suse.de>
11571 PR tree-optimization/27218
11572 * tree-inline.c (expand_call_inline): Strip useless type
11573 conversions for the return slot address.
11575 2006-04-24 Richard Guenther <rguenther@suse.de>
11577 * cfgloop.h (struct loops): Remove unused field array. Reorder
11579 (LOOP_PREFETCH): Remove.
11581 2006-04-24 Richard Guenther <rguenther@suse.de>
11583 PR tree-optimization/22525
11584 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11585 variable, adjust types of generated expressions.
11587 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11589 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11590 (tree-vect-patterns.o): Likewise.
11591 (jump.o): Likewise.
11592 (cselib.o): Likewise.
11593 (loop-doloop.o): Likewise.
11594 (regclass.o): Likewise.
11595 (reload1.o): Likewise.
11596 (explow.o): Replace target.h with $(TARGET_H).
11597 (ipa-prop.o): Likewise.
11598 (ipa-cp.o): Likewise.
11599 (ipa-inline.o): Likewise.
11600 (reorg.o): Likewise.
11601 (reg-stack.o): Likewise.
11603 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11605 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11607 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11609 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11611 * configure.ac: Completely disregard languages that are not
11613 * configure: Regenerated.
11616 * c-common.h (c_build_bitfield_integer_type): Declare.
11617 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11618 * c-common.c (c_build_bitfield_integer_type): ... here.
11620 2006-04-23 Roger Sayle <roger@eyesopen.com>
11623 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11624 a SImode SUBREG of a floating point register after no_new_pseudos.
11626 2006-04-23 Roger Sayle <roger@eyesopen.com>
11628 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11629 identify potentially eliminable registers to additionally catch
11630 VIRTUAL_INCOMING_ARGS_REGNUM.
11631 (addsi3): Update the conditions on when to use addsi_small_int.
11633 2006-04-23 Roger Sayle <roger@eyesopen.com>
11636 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11637 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11638 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11640 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11642 * fold-const.c (range_predecessor): Use operand_equal_p
11643 as the predicate for equality.
11644 (range_successor): Likewise.
11646 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11649 * config/soft-fp/op-common.h: Fix a typo.
11651 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11653 PR libmudflap/26864
11654 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11655 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11657 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11659 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11661 * doc/tm.texi: Fix a typo.
11663 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11665 * dwarf2out.c (struct die_struct): Document that die_sib makes
11666 a circular linked list.
11667 (FOR_EACH_CHILD): New.
11668 (reverse_die_lists): Delete.
11669 (reverse_all_dies): Delete.
11670 (add_dwarf_attr): Correct documentation.
11671 (remove_child_with_prev): New.
11672 (remove_child_TAG): Update for change to die_struct, use
11673 remove_child_with_prev.
11674 (add_child_die): Update for change to die_struct.
11675 (splice_child_die): Use remove_child_with_prev and add_child_die.
11676 (print_die): Use FOR_EACH_CHILD.
11677 (die_checksum): Likewise.
11678 (assign_symbol_names): Likewise.
11679 (output_location_lists): Likewise.
11680 (build_abbrev_table): Likewise.
11681 (calc_die_sizes): Likewise.
11682 (mark_dies): Likewise.
11683 (unmark_dies): Likewise.
11684 (unmark_all_dies): Likewise.
11685 (output_die): Likewise.
11686 (prune_unused_types_mark): Likewise.
11687 (prune_unused_types_walk): Likewise.
11688 (same_die_p): Update for change to die_struct.
11689 (break_out_includes): Likewise.
11690 (prune_unused_types_prune): Likewise.
11691 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11692 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11693 it's already clear.
11694 (dwarf2out_finish): Don't call reverse_all_dies.
11696 2006-04-21 Eric Christopher <echristo@apple.com>
11698 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11699 in comments and function names.
11701 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11704 * c-typeck.c (digest_init): Robustify.
11706 * c-typeck.c (pop_init_level): Simplify.
11708 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11710 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11712 2006-04-21 Paul Brook <paul@codesourcery.com>
11714 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11715 hardware floating point.
11717 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11719 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11722 2006-04-21 Nick Clifton <nickc@redhat.com>
11724 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11727 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11730 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11731 C++ lang type in traceback table for Objective-C++.
11733 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11735 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11737 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11739 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11742 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11743 were errors. Remove check for erroneous objects.
11745 2006-04-20 Jeff Law <law@redhat.com>
11747 PR tree-optimization/26854
11748 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11749 checking for zero or one use.
11750 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11751 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11752 * tree-ssa-reassoc.c (negate_value): Similarly.
11753 (reassociate_bb): Similarly.
11755 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11757 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11758 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11759 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11761 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11763 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11764 fp regs if the last fp arg doesn't fit in regs.
11766 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11769 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11770 that the last insn has the REG_INC note.
11772 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11773 Nathan Sidwell <nathan@codesourcery.com>
11776 * stor-layout.c (update_alignment_for_field): Do not align
11778 (place_union_field): Place union field at the start of the union.
11779 (place_field): Move ERROR_MARK check later, and use the current
11780 allocation position to maintain monotonicity.
11782 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11784 * dominance.c: Include timevar.h.
11785 (calculate_dominance_info): Use TV_DOMINANCE.
11786 * timevar.def (TV_DOMINANCE): New timevar.
11787 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11789 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11791 PR rtl-optimization/14261
11792 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11793 move would be an INSV insn.
11794 (noce_process_if_block): Don't optimize if the destination is a
11795 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11797 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11799 * config/s390/s390.md: Add comments with the instructions emitted
11800 by an insn pattern if macros are used.
11802 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11804 PR rtl-optimization/26026
11805 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11806 is a known power of two shifted left a variable amount.
11808 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11810 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11811 to hash table twice when the debug_str section has SECTION_MERGE.
11813 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11815 * config/soft-fp: New directory. From glibc.
11816 * config/soft-fp/t-softfp: New.
11817 * config/soft-fp/README: New.
11818 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11819 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11820 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11821 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11822 * config.gcc: Use rs6000/t-fprules-fpbit or
11823 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11825 * config/rs6000/sfp-machine.h: New. Based on glibc.
11826 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11828 * config/rs6000/t-fprules: Remove fp-bit rules.
11829 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11830 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11831 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11832 (softfp_wrap_start, softfp_wrap_end): New.
11834 2006-04-18 DJ Delorie <dj@redhat.com>
11836 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11838 2006-04-18 Devang Patel <dpatel@apple.com>
11840 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11842 2006-04-18 Nick Clifton <nickc@redhat.com>
11844 * config/sh/t-symbian: Add rule to build sh-c.o
11845 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11846 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11847 (sh_symbian_encode_section_info): Likewise.
11849 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11851 * builtins.c (expand_builtin_strcmp): Cover label definition of
11852 do_libcall with HAVE_cmpstrnsi.
11854 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11856 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11858 * function.h (temp_slot_p): New.
11859 (function): Change the type of x_used_temp_slots to
11860 VEC(temp_slot_p,gc) *.
11862 2006-04-18 Nick Clifton <nickc@redhat.com>
11864 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11865 flag_strength_reduce.
11867 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11869 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11873 Partial revert of revision 112637
11874 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11875 Dale Johannesen <dalej@apple.com>
11878 * regclass.c (struct reg_pref): Update documentation.
11879 (regclass): Set prefclass to NO_REGS if memory is the best option.
11880 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11882 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11884 PR tree-optimization/26821
11885 * tree-ssa-math-opts.c (get_constant_one): New.
11886 (insert_reciprocals): Use it.
11888 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11890 * dwarf2out.c (free_AT): Delete.
11891 (remove_AT): Update string ref counts.
11892 (remove_child_TAG): Don't call free_die.
11893 (free_die): Delete.
11894 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11895 or DW_TAG_GNU_EINCL.
11896 (prune_unused_types_walk_attribs): Reset string refcounts.
11897 (prune_unused_types_update_strings): New.
11898 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11899 call free_die. Do call prune_unused_types_update_strings.
11900 (prune_unused_types): Empty debug_str_hash.
11902 2006-04-17 Roger Sayle <roger@eyesopen.com>
11904 * expr.c (expand_assignment): Optimize away no-op moves where the
11905 source and destination are equal and have no side-effects.
11907 2006-04-17 Richard Guenther <rguenther@suse.de>
11910 * reload.c (push_reload): Guard calls to get_secondary_mem
11911 for memory subregs.
11913 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11915 * alias.c (reg_base_value, old_reg_base_value): Change the
11916 type to VEC(rtx,gc) *.
11917 (REG_BASE_VALUE, find_base_value, record_set,
11918 init_alias_analysis): Use VEC instead of VARRAY.
11920 * alias.c (alias_sets): Change the type to
11921 VEC(alias_set_entry,gc) *.
11922 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11923 VEC instead of VARRAY.
11924 (last_alias_set): Remove.
11926 * cgraph.h (cgraph_edge_p): New.
11927 Update the prototype of cgraph_function_versioning.
11928 * cgraphunit.c (cgraph_copy_node_for_versioning,
11929 cgraph_function_versioning): Use VEC instead of VARRAY.
11930 * ipa-cp.c (ipcp_insert_stage): Likewise.
11932 2006-04-16 Roger Sayle <roger@eyesopen.com>
11935 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11936 "A op B" or "A op C", we may need to convert A to the type of B and C.
11938 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11940 * target.h (struct gcc_target): Add mode_rep_extended.
11941 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11942 (init_num_sign_bit_copies_in_rep): Initialize it using
11944 (truncate_to_mode): Use it.
11945 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11946 * targhooks.h (default_mode_rep_extended): Declare it.
11947 * targhooks.c (default_mode_rep_extended): Define it.
11948 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11949 default_mode_rep_extended.
11950 (TARGET_INITIALIZER): Include it.
11951 * doc/tm.texi (Misc): Document it.
11952 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11953 (mips_truncated_to_mode): New function.
11955 2006-04-16 Roger Sayle <roger@eyesopen.com>
11957 PR middle-end/25474
11958 * expr.c (compress_float_constant): Copy the narrow constant into
11959 a new pseudo before extending it to its final width.
11961 2006-04-16 Roger Sayle <roger@eyesopen.com>
11962 Andrew Pinski <pinskia@gcc.gnu.org>
11963 Dale Johannesen <dalej@apple.com>
11966 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11967 special case code to implement V8HImode and V16QImode with SSE2.
11969 2006-04-15 Roger Sayle <roger@eyesopen.com>
11971 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11972 trees are constructed with a suitable tree type.
11974 2006-04-15 Roger Sayle <roger@eyesopen.com>
11976 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11977 (integer_onep): Likewise.
11978 (integer_all_onesp): Likewise.
11979 (integer_pow2p): Likewise.
11980 (integer_nonzerop): Likewise.
11981 (real_zerop): Likewise.
11982 (real_onep): Likewise.
11983 (real_twop): Likewise.
11984 (real_minus_onep): Likewise.
11985 (int_size_in_bytes): Likewise.
11986 (host_integerp): Likewise.
11988 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11990 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11991 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11992 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11994 * tree-ssa-structalias.h (alias_info): Remove num_references.
11996 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11998 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11999 (output_bvb patterns): Likewise.
12000 * pa.c (output_bb): Use 'bb' insn for long branch case.
12001 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12002 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12003 1. Correct length operand for alternatives 1 and 2.
12004 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12005 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12007 2006-04-14 Roger Sayle <roger@eyesopen.com>
12009 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12010 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12011 were accidentally reverted by r112959.
12013 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12015 PR middle-end/26823
12016 * except.h (eh_region_outermost): New prototype.
12017 * except.c (eh_region_outermost): New function.
12018 * tree-cfg.c (find_outermost_region_in_block): Use it.
12020 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12022 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12024 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12025 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12026 (init_reload, reload): Use VEC instead of VARRAY.
12027 * reload.h: Update the prototype for
12028 reg_equiv_memory_loc_varray.
12030 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12031 Eric Botcazou <ebotcazou@libertysurf.fr>
12033 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12034 register save area.
12036 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12038 PR middle-end/27134
12039 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12040 to expand fallback builtin function call.
12042 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12044 PR middle-end/27095
12045 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12046 and emit libcall here in case the builtin fails.
12047 (expand_builtin_strcmp): Always emit the libcall here on failure.
12049 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12051 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12052 * flow.c (reg_n_info): Change the type to
12053 VEC(reg_info_p,heap) *.
12054 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12056 * regs.h (reg_info_p): New.
12057 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12058 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12059 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12062 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12064 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12066 * params.h (MAX_SCHED_READY_INSNS): New macro.
12067 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12068 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12069 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12070 the ready list for 1 cycle during the first scheduling pass.
12071 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12073 2006-04-13 Richard Henderson <rth@redhat.com>
12076 * gimple-low.c (lower_omp_directive): Remove dead code.
12077 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12078 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12079 * omp-low.c (struct omp_region): Move to tree-flow.h.
12080 (root_omp_region): Export.
12081 (omp_regions, lookup_omp_region): Remove.
12082 (determine_parallel_type): Update for struct omp_region changes.
12083 (dump_omp_region): Dump regions with block numbers.
12084 (new_omp_region): Take type and block instead of stmt; malloc
12086 (free_omp_region_1, free_omp_regions): New.
12087 (expand_parallel_call): Take entry_stmt as argument; update for
12088 changes to omp_region.
12089 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12090 (remove_exit_barriers): New.
12091 (expand_omp_parallel): Update for struct omp_region changes.
12092 (expand_omp_synch): Likewise.
12093 (expand_omp): Likewise.
12094 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12095 (expand_omp_for_static_chunk): Likewise.
12096 (expand_omp_for): Likewise.
12097 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12098 (expand_omp_sections): Similarly, with GOMP_sections_end.
12099 (expand_omp_single): New.
12100 (build_omp_regions_1): Update for OMP_CONTINUE.
12101 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12102 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12103 OMP_SECTIONS_SECTIONS.
12104 (lower_omp_single_simple): Don't emit barrier here.
12105 (lower_omp_single_copy): Likewise.
12106 (lower_omp_single): Fix bindings, and lower to straightline now.
12107 (lower_omp_master, lower_omp_ordered): Likewise.
12108 (lower_omp_critical): Likewise.
12109 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12110 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12111 omp edges, free it afterward.
12112 (make_omp_sections_edges): Remove.
12113 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12114 (move_stmt_r): Handle OMP_CONTINUE.
12115 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12116 statement pointers to basic blocks. Add type member.
12117 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12118 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12119 * tree-inline.c (estimate_num_insns_1): Likewise.
12120 * tree-pretty-print.c (dump_generic_node): Likewise.
12121 * tree-ssa-operands.c (get_expr_operands): Likewise.
12122 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12123 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12124 (OMP_CONTINUE): New.
12125 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12126 (OMP_SECTIONS_SECTIONS): Remove.
12127 (OMP_SECTION_LAST): New.
12128 (OMP_RETURN_NOWAIT): New.
12130 2006-04-13 Roger Sayle <roger@eyesopen.com>
12132 * fold-const.c (native_encode_vector, native_interpret_real):
12133 Correct obvious mistakes in the previous check-in.
12135 2006-04-13 Roger Sayle <roger@eyesopen.com>
12137 * fold-const.c (native_encode_expr): New function to encode
12138 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12139 or VECTOR_CST into a specified buffer.
12140 (native_encode_int): New function.
12141 (native_encode_real): New function.
12142 (native_encode_complex): New function.
12143 (native_encode_vector): New function.
12144 (native_interpret_expr): Inverse of native_encode_expr to convert
12145 a target representation into an INTEGER_CST, REAL_CST etc...
12146 (native_interpret_int): New function.
12147 (native_interpret_real): New function.
12148 (native_interpret_complex): New function.
12149 (native_interpret_vector): New function.
12150 (fold_view_convert_expr): New function to constant fold/evaluate
12151 a VIEW_CONVERT_EXPR of a suitable constant expression.
12152 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12153 Change call of build1 to fold_build1 when constructing a
12156 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12157 Ulrich Weigand <uweigand@de.ibm.com>
12160 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12163 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12166 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12167 optimize to lo_sum for DFmode if !TARGET_FPRS.
12169 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12171 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12172 delete_alias_info, compute_flow_sensitive_aliasing,
12173 group_aliases): Use VEC instead of VARRAY.
12174 * tree-ssa-structalias.c (update_alias_info): Likewise.
12175 * tree-ssa-structalias.h (alias_info): Change the type of
12176 processed_ptrs to VEC(tree,heap) *.
12178 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12181 * config/sh/lib1funcs.h: New file, broken out of:
12182 * config/sh/lib1funcs.asm.
12183 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12185 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12186 * config/sh/lib1funcs-Os-4-200.asm: New file.
12187 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12188 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12189 (EXTRA_MULTILIB_PARTS): Include it.
12190 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12191 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12192 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12193 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12196 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12198 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12199 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12200 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12202 * tree-ssa-live.h: Include vecprim.h.
12203 (tree_partition_associator_d): Change the type of
12204 first_partition to VEC(int,heap) *.
12205 (tpa_first_partition): Use VEC instead of VARRAY.
12207 * Makefile.in (GTFILES): Move functions.h after tree.h.
12208 * function.c (reset_block_changes, record_block_change,
12209 check_block_change, free_block_changes): Use VEC instead of
12211 * function.h (function): Change the type of
12212 ib_boundaries_block to VEC(tree,gc) *.
12213 * tree-inline.c (copy_cfg_body): Initialize
12214 ib_boundaries_block to NULL instead of (varray_type) 0.
12216 2006-04-12 Roger Sayle <roger@eyesopen.com>
12218 * expr.c (emit_group_store): Correct operand order in call to
12219 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12220 a SUBREG_BYTE of zero.
12222 2006-04-12 Richard Guenther <rguenther@suse.de>
12224 * profile.c (compute_branch_probabilities): Remove code
12225 encapsulated in !ir_type (), which are remanents of the
12226 removed RTL profiling code.
12227 * rtl-profile.c: Remove.
12229 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12231 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12232 magic NULL_RTX comment.
12233 (function_arg): Store entire fp arg to mem if any part should go
12235 (rs6000_arg_partial_bytes): Adjust for above change.
12237 2006-04-11 Roger Sayle <roger@eyesopen.com>
12239 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12240 if it hasn't been initialized by dwarf2out_init.
12242 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12244 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12245 symbolic constants in branch patterns.
12247 2006-04-11 Roger Sayle <roger@eyesopen.com>
12249 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12251 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12253 PR rtl-optimization/27073
12254 * gcse.c (try_replace_reg): Revert last change. Continue to search
12255 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12258 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12260 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12261 aggregate types other than record and union types.
12262 (function_arg): Likewise.
12263 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12265 (function_value): In 64-bit mode, return objects that require it
12268 2006-04-11 Roger Sayle <roger@eyesopen.com>
12270 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12272 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12274 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12276 2006-04-03 Jeff Law <law@redhat.com>
12279 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12280 alias information too.
12282 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12284 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12286 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12289 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12290 (premark_used_types_helper): New.
12291 (premark_used_types): New.
12292 (gen_subprogram_die): Call premark_used_types.
12293 (prune_unused_types_walk): Do not prune perennial dies.
12294 * function.c (used_types_insert): New.
12295 * function.h (struct function): Add used_types_hash field.
12296 (used_types_insert): Add prototype.
12297 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12298 * c-parser.c (c_parser_cast_expression): Save casted types in used
12301 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12304 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12305 rs6000_explicit_options.float_gprs.
12307 2006-04-10 Roger Sayle <roger@eyesopen.com>
12309 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12310 from ix86_expand_vector_init_low_nonzero. Take an additional
12311 one_var argument indicating which element is non-zero. Support
12312 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12313 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12314 with one_var instead of ix86_expand_vector_init_low_nonzero.
12316 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12318 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12319 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12320 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12321 build/genextract.o): Depend on vecprim.h.
12322 * cfglayout.c, df-problems.c, function.c, genextract.c,
12323 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12324 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12328 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12330 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12331 Declare VECs of this type.
12332 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12333 (remove_children): Delete.
12334 (add_dwarf_attr): Use VEC routines.
12335 (add_AT_flag): Update for changes to add_dwarf_attr.
12336 (add_AT_int): Likewise.
12337 (add_AT_unsigned): Likewise.
12338 (add_AT_long_long): Likewise.
12339 (add_AT_vec): Likewise.
12340 (add_AT_string): Likewise.
12341 (add_AT_die_ref): Likewise.
12342 (add_AT_fde_ref): Likewise.
12343 (add_AT_loc): Likewise.
12344 (add_AT_loc_list): Likewise.
12345 (add_AT_addr): Likewise.
12346 (add_AT_lbl_id): Likewise.
12347 (add_AT_lineptr): Likewise.
12348 (add_AT_macptr): Likewise.
12349 (add_AT_offset): Likewise.
12350 (add_AT_range_list): Likewise.
12351 (get_AT): Use VEC_iterate.
12352 (remove_AT): Use VEC_ordered_remove.
12353 (free_die): Fold remove_children into here; have it use VEC_iterate.
12354 (print_die): Use VEC_iterate on attrs.
12355 (reverse_die_lists): Don't reverse attr lists.
12356 (die_checksum): Use VEC_iterate on attrs.
12357 (same_die_p): Likewise.
12358 (output_location_lists): Likewise.
12359 (build_abbrev_table): Likewise.
12360 (size_of_die): Likewise.
12361 (unmark_all_dies): Likewise.
12362 (output_abbrev_section): Likewise.
12363 (output_die): Likewise.
12364 (prune_unused_types_walk_attribs): Likewise.
12366 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12368 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12370 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12373 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12375 2006-04-09 Roger Sayle <roger@eyesopen.com>
12377 * expr.c (store_constructor): Don't bother clearing target if
12378 we're about to assign a vector to it using vec_init_optab.
12380 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12382 * tree-ssa-alias.c (lhs_may_store_to): New function.
12383 (recalculate_used_alone): Handle LHS of calls.
12385 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12389 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12390 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12391 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12392 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12393 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12394 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12395 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12396 stubs. Add ".align 8" directives before all ".dword" directives.
12397 (GTHREAD_USE_WEAK): Revise comment.
12398 (TARGET_ATTRIBUTE_WEAK): Define.
12399 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12400 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12401 * stublib.c: New file.
12406 * pa.md (cbranch patterns): Revise arguments used in calls to
12407 output_cbranch, output_bb and output_bvd. Add long branch length
12409 (fbranch patterns): Handle long branches.
12410 (jump): Revise length check. Revise arguments for output_lbranch call.
12411 Add long branch length attributes.
12412 (decrement_and_branch_until_zero): Add long branch length attributes.
12413 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12414 Likewise. Revise arguments for output_parallel_addb and
12415 output_parallel_movb calls.
12416 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12417 output_parallel_movb and output_parallel_addb): Update prototypes.
12418 * pa.c (output_cbranch): Revise arguments. Correct handling of
12419 nullification in long branches.
12420 (output_lbranch): Add new argument to control extraction of delay
12422 (output_bb): Handle long branches.
12423 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12424 output_parallel_addb): Likewise.
12426 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12428 PR rtl-optimization/27073
12429 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12432 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12434 * tree.h (tree_memory_tag): Add old_used_alone.
12435 (SMT_OLD_USED_ALONE): New macro.
12436 * tree-ssa-alias.c (recalculate_used_alone): Stop
12437 marking things for renaming unnecessarily.
12439 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12441 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12442 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12443 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12444 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12445 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12446 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12447 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12448 spelling convensions.
12449 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12450 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12451 typos. Follow spelling conventions.
12453 2006-04-07 DJ Delorie <dj@redhat.com>
12455 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12456 passed on the stack.
12457 (m32c_init_cumulative_args): When a function returns a structure,
12458 always pass the pointer to that return area on the stack.
12459 (m32c_function_arg_advance): Don't increment the parameter number
12460 if we're processing the returned structure pointer.
12461 (pushm_info): Reverse order of registers.
12463 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12465 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12466 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12467 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12468 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12469 build_int_cst_type.
12470 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12471 chrec_fold_multiply): Same.
12472 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12473 force_expr_to_var_cost): Same.
12474 * tree-mudflap.c (mf_xform_derefs_1): Same.
12475 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12477 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12479 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12480 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12483 2006-04-07 Jan Hubicka <jh@suse.cz>
12485 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12487 2006-04-07 Richard Guenther <rguenther@suse.de>
12489 PR tree-optimization/26135
12490 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12491 loads for store copy-prop.
12492 (copy_prop_visit_stmt): Likewise.
12494 2006-04-05 Robert Millan <robertmh@gnu.org>
12496 * config/i386/linux.h: Add a comment to mark macros that are
12497 being overriden in config/k*bsd-gnu.h.
12498 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12500 * config/knetbsd-gnu.h: Ditto.
12502 2006-04-06 Jan Hubicka <jh@suse.cz>
12506 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12509 2006-04-06 Mike Stump <mrs@apple.com>
12511 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12512 for HAVE_nonlocal_goto to be consistent.
12513 (expand_builtin_nonlocal_goto): Likewise.
12514 (expand_builtin_strcmp): Use #ifdef instead of #if
12515 for HAVE_cmpstrnsi to be consistent.
12517 2006-04-05 DJ Delorie <dj@redhat.com>
12519 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12522 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12524 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12525 got-relative addressing for anything but SImode.
12527 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12528 even if the calling function doesn't modify them.
12530 2006-04-05 Richard Guenther <rguenther@suse.de>
12532 PR tree-optimization/26919
12533 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12534 to cgraph_estimate_size_after_inlining.
12536 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12538 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12540 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12542 PR tree-optimization/26996
12543 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12544 VECTOR_TYPE variables.
12546 2006-04-05 Richard Guenther <rguenther@suse.de>
12548 PR tree-optimization/26763
12549 * fold-const.c (fold_comparison): Move folding of
12550 PTR + CST CMP PTR + CST ...
12551 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12553 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12555 * doc/install.texi (Prerequisites): Refine some wording on
12556 bootstrapping and ksh.
12557 Move the version numbers of DejaGnu here from the testing section
12558 and fix casing of names.
12559 Fix markup and clarify wording for autogen requirements.
12560 Refer to GCJ instead of just java.
12561 Refer to SVN instead of CVS.
12562 Describe diffutils as useful instead of necessary.
12563 (Downloading the source): Refer to SVN instead of CVS.
12564 Adjust a link to our web site accordingly.
12565 (Configuration): Fix casing of Bison.
12566 (Building): Refer to SVN instead of CVS.
12567 Fix a sentence on the use of Bison and remove duplicate (and
12568 incorrect) version number of Bison requirement.
12569 Remove one redundant list of packages needed for building.
12570 (Specific): Avoid reference to CVS.
12572 2006-04-04 Eric Christopher <echristo@apple.com>
12574 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12575 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12576 (rs6000_handle_struct_attribute): New.
12577 (rs6000_ms_bitfield_layout_p): Ditto.
12579 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12581 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12582 NULL for dso parameter to atexit_common.
12584 2006-04-04 Eric Christopher <echristo@apple.com>
12586 * config/i386/i386.c (machopic_output_stub): Output \t
12587 between instructions and operands.
12589 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12591 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12592 satisfies_constraint_[IL] to explicit tests on value.
12594 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12596 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12597 set_nb_iterations_in_loop): Use build_int_cst instead of
12598 build_int_cst_type.
12599 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12600 build_int_cst instead of convert.
12602 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12604 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12605 new value 2 for incoming.
12606 * function.c (expand_function_start): Call struct_value_rtx
12607 with incoming as 2.
12608 * config/sparc/sparc.md: Comment updated_return.
12609 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12610 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12611 struct return if sparc_std_struct_return and incoming is 2.
12612 (print_operand): Do not adjust return if
12613 sparc_std_struct_return.
12615 2006-04-04 Roger Sayle <roger@eyesopen.com>
12617 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12618 convert in the middle-end.
12619 * expr.c (store_expr, store_constructor, get_inner_reference,
12620 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12622 * tree.c (build_range_type): Likewise.
12624 2006-04-04 Tom Tromey <tromey@redhat.com>
12626 * doc/install.texi (Prerequisites): Mention jar.
12628 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12630 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12633 2006-04-04 Matthias Klose <doko@debian.org>
12635 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12639 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12642 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12644 * doc/extend.texi (Function Attributes): Rewrite visibility
12645 attribute documentation.
12646 * doc/invoke.texi (C++ Dialect Options): Rewrite
12647 -fvisibility-inlines-hidden documentation to describe something
12648 entirely different, although in practise compatible.
12649 (Code Gen Options): Warn about system headers in -fvisibility=
12652 * doc/extend.texi (Other Builtins): Document that
12653 __builtin_nan is a compile-time constant only when its argument
12656 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12658 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12659 trying to remove TRUNCATE check if all bits outside the new mode
12660 are identical to the sign bit.
12662 2006-04-03 Jeff Law <law@redhat.com>
12664 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12665 and operand scanning in some common cases.
12667 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12668 Dale Johannesen <dalej@apple.com>
12671 * regclass.c (struct reg_pref): Update documentation.
12672 (regclass): Set prefclass to NO_REGS if memory is the best option.
12673 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12674 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12675 into account. For non-registers, equate an empty preferred
12676 reload class to a `!' in the constraint; move the if clause to
12677 do so after those that reject the insn.
12678 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12680 (find_dummy_reload): Likewise.
12681 * doc/tm.texi (Register Classes): Document what it means
12682 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12683 * config/i386/i386.c (ix86_preferred_reload_class): Force
12684 using SSE registers (and return NO_REGS for floating-point
12685 constants) if math is done with SSE.
12686 (ix86_preferred_output_reload_class): New.
12687 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12688 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12689 * config/i386/i386.md: Remove # register preferences.
12691 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12694 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12695 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12696 the type of nb_iter.
12697 (instantiate_parameters_1): Convert the operands before calling
12698 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12699 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12701 2006-04-02 Roger Sayle <roger@eyesopen.com>
12703 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12704 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12705 instead of convert.
12706 * dojump.c (do_jump): Likewise.
12707 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12708 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12709 gimplify_boolean_expr): Likewise.
12710 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12711 * varasm.c (array_size_for_constructor): Likewise.
12712 * tree-object-size.c (compute_object_offset): Likewise.
12714 2006-04-02 Roger Sayle <roger@eyesopen.com>
12716 PR middle-end/26977
12717 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12718 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12720 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12722 PR tree-optimization/26939
12723 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12725 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12727 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12728 at_stmt. Convert the type of operands before calling
12729 build_polynomial_chrec.
12730 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12731 add_to_evolution_1.
12732 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12733 (instantiate_parameters_1): Convert the type of operands before calling
12734 build_polynomial_chrec.
12735 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12736 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12737 reset_evolution_in_loop): Insert asserts to check the types of the
12739 (chrec_type): Moved...
12740 (eq_evolutions_p): Use operand_equal_p.
12741 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12742 the types of the operands.
12743 (chrec_type): ...here.
12744 * tree-data-ref.c (create_data_ref): Convert the operands before
12745 calling chrec_replace_initial_condition.
12746 (same_access_functions, analyze_subscript_affine_affine,
12747 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12748 (compute_subscript_distance, analyze_ziv_subscript,
12749 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12750 analyze_miv_subscript): Convert the operands before calling
12751 chrec_fold_minus or chrec_fold_plus.
12753 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12755 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12756 the dependence_relations vector.
12757 (compute_data_dependences_for_loop): Adjust call to
12758 compute_all_dependences.
12760 2006-04-01 Roger Sayle <roger@eyesopen.com>
12761 Richard Henderson <rth@redhat.com>
12763 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12764 gimple_boolify on the condition before calling gimplify_expr.
12766 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12768 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12769 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12770 the frame size. Update to use the new macros.
12771 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12772 * config/xtensa/ieee754-df.S: Likewise.
12774 2006-03-31 Richard Henderson <rth@redhat.com>
12776 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12777 (make_edges): ... here. Control fallthru creation with a local
12778 variable. Do not play with fake edges.
12779 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12780 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12783 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12785 * dwarf2.h (DW64_CIE_ID): Define.
12786 * dwarf2out.c (DWARF_CIE_ID): Define.
12787 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12788 length header. Use DWARF_CIE_ID.
12789 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12790 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12792 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12794 * config/sh/linux-atomic.asm: New file.
12795 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12797 2006-03-31 DJ Delorie <dj@redhat.com>
12799 * config/m32c/cond.md: Set condition flags properly throughout.
12800 * config/m32c/minmax.md: Likewise.
12801 * config/m32c/prologue.md: Likewise.
12802 * config/m32c/bitops.md: Likewise.
12803 * config/m32c/muldiv.md: Likewise.
12804 * config/m32c/mov.md: Likewise.
12805 * config/m32c/addsub.md: Likewise.
12806 * config/m32c/m32c.md: Likewise.
12807 * config/m32c/jump.md: Likewise.
12808 * config/m32c/shift.md: Likewise.
12810 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12811 conditionally output the pattern for this.
12812 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12813 (m32c_compare_redundant): New.
12814 (m32c_output_compare): New.
12815 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12817 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12818 dest, not src. Allow other 4-byte modes.
12820 2006-03-30 Denis Chertykov <denisc@overta.ru>
12822 * doc/md.texi: Refer to avr/constraints.md instead of
12825 2006-03-30 Roger Sayle <roger@eyesopen.com>
12827 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12828 signed vs. unsigned comparison failures on some hosts.
12830 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12833 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12834 change to FLOAT_REGS.
12836 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12837 (rs6000_override_options): Use it.
12838 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12839 only for -mabi=spe/no-spe and -mabi=altivec.
12841 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12843 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12846 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12848 * Makefile.in: Rename docdir to gcc_docdir.
12850 2006-03-30 Roger Sayle <roger@eyesopen.com>
12853 * expr.c (emit_group_store): Optimize group stores into a pseudo
12854 register by using a paradoxical subreg to initialize the destination
12855 if the first or last member of the group specifies a "low part".
12857 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12860 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12861 * target.h (struct gcc_target.speculate_insn): Change type of the
12862 second parameter to 'int'.
12863 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12864 the second operand of the DEPS_LIST.
12865 (copy_DEPS_LIST_list): Update reference to the second operand of the
12867 * rtl.h (alloc_DEPS_LIST): Update signature.
12868 * sched-int.h (ds_t): Change typedef to 'int'.
12869 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12871 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12873 * haifa-sched.c (try_ready): Change condition to restore
12874 non-speculative pattern of the instruction.
12875 (process_insn_depend_be_in_spec): Code to keep probability of the
12876 speculative dependence non-decreasing.
12878 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12880 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12881 (single_move_for_movmem): ... this. Also change all uses.
12882 (bfin_expand_strmov): Renamed to...
12883 (bfin_expand_movmem): ... this. Also change all uses.
12884 * config/bfin/bfin.md (movstrsi): Renamed to...
12885 (movstrsi): ...this.
12887 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12889 PR tree-optimization/26830
12891 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12892 (copy_prop_visit_stmt): Remove write-only variable ann.
12893 (init_copy_prop): Check variable loop depth here. Do not simulate
12894 memory-tag and virtual operand PHIs except for store copy prop.
12896 2006-03-30 Richard Guenther <rguenther@suse.de>
12898 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12899 variants with double arguments.
12901 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12903 * genpreds.c (write_tm_constrs_h): Delete variable p.
12904 * genconditions.c (write_header): Add tm-constrs.h to included
12906 * genpeep.c (main): Add toplev.h to included headers.
12907 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12908 (build/genpeep.o): Add toplev.h dependency.
12909 * config/rs6000/constraints.md: Add "W" constraint.
12911 2006-03-29 Roger Sayle <roger@eyesopen.com>
12913 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12914 sizes by correctly testing whether the size fits a host integer.
12915 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12916 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12917 SImode range for the default sizetype and bitsizetype.
12919 2006-03-29 Roger Sayle <roger@eyesopen.com>
12921 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12922 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12923 quickly if the argument is already of the correct type.
12924 Call fold_build1 instead of build1. Tidy up blank lines.
12926 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12928 * genemit.c (main): Add tm-constrs.h to included headers.
12929 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12930 * genpeep.c (main): Add tm-constrs.h to included headers.
12931 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12932 (write_tm_constrs_h): this and write complete file.
12933 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12934 (write_insn_preds_c): Add tm-constrs.h to included headers.
12935 (gen_constrs): New variable.
12936 (parse_option): Parse "-c".
12937 (main): Invoke write_tm_constrs_h.
12938 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12939 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12940 (object_out_file): Add tm-constrs.h dependency.
12941 (insn-emit.o): Same.
12942 (insn-output.o): Same.
12943 (insn-peep.o): Same.
12944 (insn-preds.o): Same.
12945 (insn-recog.o): Same.
12946 (tm-constsr.h): New target.
12947 (s-constrs-h): New target.
12949 * config/rs6000/constraints.md: New file.
12950 * config/rs6000/rs6000.c: Include tm-constrs.h.
12951 (num_insn_constant_wide): Convert to satisfies_constraint.
12952 (rs6000_rtx_costs): Convert to satisfies_constraint.
12953 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12954 (CONST_OK_FOR_LETTER_P): Delete.
12955 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12956 (EXTRA_CONSTRAINT): Delete.
12957 (EXTRA_MEMORY_CONSTRAINT): Delete.
12958 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12959 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12960 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12961 satisfies_constraint.
12963 * config/i386/i386.c: Include tm-constrs.h.
12965 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12967 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12968 * tree-data-ref.c (find_data_references_in_loop,
12969 compute_data_dependences_for_loop): Use pointers to VEC.
12970 (analyze_all_data_dependences): Adjust calls.
12971 * tree-data-ref.h (find_data_references_in_loop,
12972 compute_data_dependences_for_loop): Adjust declarations.
12973 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12974 compute_data_dependences_for_loop.
12976 2006-03-29 Paul Brook <paul@codesourcery.com>
12978 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12979 (movdf_vfp): Ditto.
12981 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12983 PR tree-optimization/26859
12984 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12986 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12987 for the step after fold_convert.
12989 2006-03-29 Paul Brook <paul@codesourcery.com>
12991 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12992 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12994 2006-03-29 Paul Brook <paul@codesourcery.com>
12996 PR middle-end/23623
12997 * targhooks.c (default_narrow_bitfield): New fuction.
12998 * targhooks.h (default_narrow_bitfield): add prototype.
12999 * target.h (gcc_target): Add narrow_volatile_bitfield.
13000 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13001 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13002 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13003 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13005 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13007 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13009 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13010 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13011 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13012 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13013 (s390_function_arg_float): Allow SDmode and DDmode values to be
13014 passed in floating point registers.
13015 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13016 check with SCALAR_FLOAT_MODE_P.
13017 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13019 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13021 PR tree-optimization/25985
13022 * tree-ssa-loop-niter.c (number_of_iterations_le,
13023 number_of_iterations_ne): Make comments more precise.
13024 (number_of_iterations_cond): Add only_exit argument. Use the
13025 fact that signed variables do not overflow only when only_exit
13027 (loop_only_exit_p): New.
13028 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13029 number_of_iterations_cond.
13031 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13033 PR tree-optimization/26643
13034 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13037 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13039 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13040 (divsi3_i4_int): Likewise.
13042 2006-03-28 Roger Sayle <roger@eyesopen.com>
13044 * expr.c (emit_group_store): Only create a new pseudo reg if the
13045 quantity it needs to hold isn't already a suitable pseudo.
13047 2006-03-28 Jeff Law <law@redhat.com>
13049 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13050 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13052 2006-03-28 Roger Sayle <roger@eyesopen.com>
13054 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13055 the equivalent ~X & Y, and the symmetry related transformations.
13056 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13057 ~X & Y, and symmetry related transforms.
13059 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13061 Revert my 2006-03-27 patches.
13063 2006-03-28 Roger Sayle <roger@eyesopen.com>
13065 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13066 ~(T1)X, when T1 and T2 are integer types of the same precision
13067 and (T2)X isn't an extension.
13069 2006-03-28 Jeff Law <law@redhat.com>
13071 PR tree-optimization/26796
13072 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13073 need EH edge cleanups rather than purging them immediately.
13074 (eliminate_degenerate_phis): Handle queued EH cleanups.
13076 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13078 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13081 2006-03-27 Roger Sayle <roger@eyesopen.com>
13083 PR middle-end/22524
13084 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13085 cast BIT_NOT_EXPR operand to the correct type.
13087 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13089 * tree-loop-linear.c: Don't include varray.h.
13090 (gather_interchange_stats, try_interchange_loops,
13091 linear_transform_loops): Use VEC instead of VARRAY.
13092 * lambda-mat.c: Don't include varray.h.
13093 * tree-chrec.c: Same.
13094 * lambda-trans.c: Same.
13095 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13096 VEC instead of VARRAY.
13097 * tree-vectorizer.h: Idem.
13098 * tree-data-ref.c (dump_data_references,
13099 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13100 initialize_data_dependence_relation, finalize_ddr_dependent,
13101 compute_all_dependences, find_data_references_in_loop,
13102 compute_data_dependences_for_loop, analyze_all_data_dependences,
13103 free_dependence_relation, free_dependence_relations,
13104 free_data_refs): Idem.
13105 * tree-data-ref.h (data_reference_p, subscript_p): New.
13106 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13107 VEC instead of VARRAY.
13108 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13109 (find_data_references_in_loop, compute_data_dependences_for_loop,
13110 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13111 dump_data_dependence_relations, free_dependence_relations,
13112 free_data_refs): Adjust declaration.
13113 (lambda_transform_legal_p): Move declaration here...
13114 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13115 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13116 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13117 vect_analyze_data_refs): Use VEC instead of VARRAY.
13118 * lambda.h (lambda_transform_legal_p): ...from here.
13119 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13120 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13121 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13122 tree-chrec.o): Don't depend on VARRAY_H.
13124 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13126 * rtl.def (Copyright): Update date.
13127 (DEPS_LIST): Change type of the second operand to 'int'.
13128 * target.h (Copyright): Update date.
13129 (struct gcc_target.speculate_insn): Change type of the second parameter
13131 * lists.c (Copyright): Update date.
13132 (alloc_DEPS_LIST): Change signature. Update reference to the second
13133 operand of the DEPS_LIST.
13134 (copy_DEPS_LIST_list): Update reference to the second operand of the
13136 * rtl.h (Copyright): Update date.
13137 (alloc_DEPS_LIST): Update signature.
13138 * sched-int.h (Copyright): Update date.
13139 (ds_t): Change typedef to 'int'.
13140 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13142 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13144 * haifa-sched.c (Copyright): Update date.
13145 (try_ready): Change condition to restore non-speculative pattern
13146 of the instruction.
13147 (process_insn_depend_be_in_spec): Code to keep probability of the
13148 speculative dependence non-decreasing.
13150 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13152 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13153 shut up the compiler.
13155 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13157 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13158 to use lib prefix for target.
13159 ($(T)libic_invalidate_array_4-200.a): Likewise.
13160 ($(T)libic_invalidate_array_4a.a): Likewise.
13162 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13163 J"orn Rennecke <joern.rennecke@st.com>
13165 * superh.opt: New file.
13166 * sh.c (boardtype, osruntime): Remove.
13167 * superh.h (SUBTARGET_OPTIONS): Remove.
13168 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13170 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13171 arguments with ^ and/or [].
13173 * config.gcc (sh-*-*): Add quoting to account for quirk of
13175 Replace == with = in enable_incomplete_targets test.
13177 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13178 with MASK_LITTLE_ENDIAN.
13180 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13181 * config/sh/sh.opt: Added to some comments.
13182 * config/sh/superh.h: Removed some chaff.
13184 * config/sh/sh.opt: Add m4-[1234]00* options.
13185 * config/sh/sh.c (sh_handle_option): Likewise.
13186 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13187 (ic_invalidate_array_4-100.o): New rule.
13188 ($(T)libic_invalidate_array_4-100.a): Likewise.
13189 (ic_invalidate_array_4-200.o): Likewise.
13190 ($(T)libic_invalidate_array_4-200.a): Likewise.
13191 (ic_invalidate_array_4a.o): Likewise.
13192 ($(T)libic_invalidate_array_4a.a): Likewise.
13193 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13194 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13196 * config/sh/crt1.asm: Merged in profiling code.
13197 * config/sh/superh.h (STARTFILE_SPEC): Override.
13198 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13199 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13200 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13202 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13203 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13204 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13206 * sh.opt (mpretend-cmove): New option.
13207 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13208 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13209 (movsicc): Add TARGET_PRETEND_CMOVE code.
13211 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13213 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13214 s390_class_max_nregs): New function prototypes.
13215 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13216 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13217 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13218 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13220 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13222 * dwarf2out.c (add_location_or_const_value_attribute): Call
13223 tree_add_const_value_attribute if nothing else works.
13224 (reference_to_unused): New.
13225 (rtl_for_decl_init): Use reference_to_unused to decide whether
13226 to output an initializer.
13228 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13231 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13232 peephole removing spe frob_di_df_2.
13234 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13236 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13237 (subscript_dependence_tester_1): Declared.
13238 (print_dir_vectors, print_dist_vectors): New.
13239 (debug_data_dependence_relation): New.
13240 (dump_data_dependence_relation): Print more details.
13241 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13242 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13243 (save_dist_v, save_dir_v, add_outer_distances,
13244 build_classic_dist_vector_1): New.
13245 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13246 Don't test for lambda_vector_lexico_pos.
13247 (same_access_functions, add_multivariate_self_dist,
13248 add_other_self_distances, dir_from_dist): New.
13249 (build_classic_dir_vector): Replace implementation almost identical to
13250 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13252 (subscript_dependence_tester_1): New.
13253 (subscript_dependence_tester): Handle the lexicographically negative
13254 distance vectors by recomputing the dependence relation.
13255 (compute_affine_dependence): Remove parameter loop_nest_depth.
13256 (compute_self_dependence): Don't call compute_subscript_distance.
13257 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13258 Add a parameter for the loop_nest.
13259 (find_loop_nest_1, find_loop_nest): New.
13260 (compute_data_dependences_for_loop): Compute the loop nest, and give
13261 up if the nest is not well formed.
13262 * tree-data-ref.h (loop_p): New.
13263 (struct data_dependence_relation): Replace size_vect field with
13264 loop_nest, a vec of loops.
13265 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13266 (DDR_LOOP_NEST): New.
13267 (print_dir_vectors, print_dist_vectors,
13268 debug_data_dependence_relation): Declared.
13269 (index_in_loop_nest): New.
13270 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13271 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13274 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13276 * simplify-rtx.c (simplify_relational_operation): Call
13277 simplify_relational_operation_1 even if mode is VOIDmode.
13279 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13281 PR tree-optimization/26804
13282 * tree.h (DECL_CALL_CLOBBERED): New macro.
13283 (tree_decl_common): Add call_clobbered_flag.
13284 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13285 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13286 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13287 (mark_non_addressable): Ditto.
13288 * tree-ssa.c (verify_call_clobbered): New function.
13289 (verify_alias_info): Use it.
13290 * tree-pass.h (pass_reset_cc_flags): New prototype.
13291 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13292 (reset_cc_flags): New function.
13293 * passes.c (init_optimization_passes): Call reset_cc_flags after
13294 initializing referenced_vars.
13296 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13297 Roger Sayle <roger@eyesopen.com>
13299 PR middle-end/26717
13300 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13301 to 1.0 for non-real operands. Implement A / A optimization for
13304 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13306 * config/i386/i386.c (size_cost): Correct the comment for
13307 cost of storing fp registers.
13308 (i386_cost): Likewise.
13309 (i486_cost): Likewise.
13310 (pentium_cost): Likewise.
13311 (pentiumpro_cost): Likewise.
13312 (k6_cost): Likewise.
13313 (athlon_cost): Likewise.
13314 (k8_cost): Likewise.
13315 (pentium4_cost): Likewise.
13316 (nocona_cost): Likewise.
13317 (generic64_cost): Likewise.
13318 (generic32_cost): Likewise.
13320 2006-03-24 Denis Chertykov <denisc@overta.ru>
13322 * config/avr/avr-protos.h (extra_constraint): Delete.
13323 (extra_constraint_Q): New declaration.
13324 * config/avr/constraints.md: New file.
13325 * config/avr/avr.md: Include it.
13326 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13327 (TMP_REGNO, ZERO_REGNO): Likewise.
13328 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13329 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13330 (extra_constraint): Delete.
13331 (extra_constraint_Q): Test for memory constraint 'Q'.
13332 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13333 (REG_CLASS_FROM_LETTER): Delete.
13334 (CONST_OK_FOR_LETTER_P): Delete.
13335 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13336 (EXTRA_CONSTRAINT): Delete.
13337 (TMP_REGNO): Delete.
13338 (ZERO_REGNO): Delete.
13340 2006-03-24 Jeff Law <law@redhat.com>
13342 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13343 directly. Call mark_new_vars_to_rename slightly earlier.
13345 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13347 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13348 (is_cxx): Likewise.
13349 (gen_compile_unit_die): Use new language types for Objective-C and
13351 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13352 DW_LANG_C_plus_plus.
13355 * config/t-darwin (crt3.o): Work around bug 26840.
13356 * config/darwin-crt3.c: Rewrite.
13357 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13359 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13361 * doc/invoke.texi: Document -femit-class-debug-always
13362 * common.opt: Add -femit-class-debug-always.
13364 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13366 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13367 index and base register.
13368 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13369 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13370 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13371 REGNO_OK_FOR_INDEX_P.
13372 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13374 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13375 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13376 REG_OK_FOR_BASE_P): Definitions removed.
13378 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13380 PR middle-end/26611
13381 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13382 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13383 set yet or weren't marked as local yet.
13385 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13387 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13390 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13392 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13393 (rs6000_legitimate_small_data_p): Delete.
13394 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13395 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13396 and make static. Add forward declaration. Update uses.
13397 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13398 of offsettable_memref_p.
13399 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13400 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13402 2006-03-24 Jeff Law <law@redhat.com>
13404 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13405 around bug in immediate-use iterator.
13407 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13410 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13411 or __LITTLE_ENDIAN__.
13413 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13415 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13416 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13417 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13418 * config/sh/sh.opt (mdiv=): Amend description.
13419 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13420 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13421 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13422 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13423 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13424 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13425 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13426 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13427 TARGET_DIVIDE_CALL_FP.
13429 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13431 * haifa-sched.c (choose_ready): Fix type of the local variable.
13432 Move local variables. Add comment.
13433 (check_reg_live): Change signature. Make callable from debugger.
13434 * sched-int.h (check_reg_live): Update signature.
13435 * sched-ebb.c (check_reg_live): Update parameters.
13436 * sched-rgn.c (check_reg_live): Ditto.
13437 (region_head_or_leaf_p): Check pointer before dereferencing.
13438 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13439 before reload on optimization levels below 1.
13441 2006-03-23 Richard Henderson <rth@redhat.com>
13443 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13447 * config/alpha/predicates.md (local_symbolic_operand): Reject
13450 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13453 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13454 expressions which have overflowed constants.
13456 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13458 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13460 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13462 * cfgloopmanip.c (create_loop_notes): Removed.
13463 * final.c (final_scan_insn): Do not handle loop notes.
13464 * jump.c (squeeze_notes): Ditto.
13465 * cfglayout.c (skip_insns_after_block,
13466 duplicate_insn_chain): Ditto.
13467 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13469 * cfgloop.h (create_loop_notes): Declaration removed.
13471 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13473 * varasm.c (output_constant_pool): Restore fnname and fndecl
13475 (assemble_start_function): Adjust call accordingly.
13476 (assemble_end_function): Likewise.
13478 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13481 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13484 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13486 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13489 * system.h (ICE_EXIT_CODE): New macro.
13490 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13491 (diagnostic_action_after_output): Likewise.
13492 * gcc.c (fatal_ice): New function.
13493 (execute): Use it instead of fatal.
13494 (fancy_abort): Likewise.
13495 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13497 2006-03-22 Jeff Law <law@redhat.com>
13499 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13500 iv_analyze_result returning false.
13502 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13504 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13506 2006-03-22 Richard Henderson <rth@redhat.com>
13508 PR middle-end/26084
13509 * except.c (duplicate_eh_regions_0): New.
13510 (duplicate_eh_region_1): Duplicate the children of the node as
13511 well as the node itself. Link them up properly.
13512 (duplicate_eh_region_2): Merge into ...
13513 (duplicate_eh_regions): ... here. Take copy_region argument, and
13514 copy only a sub-tree if asked. Simplify copying and fixup.
13515 (eh_region_outer_p): New.
13516 * except.h (duplicate_eh_regions): Update decl.
13517 (eh_region_outer_p): Declare.
13518 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13519 (lower_omp_master): Likewise.
13520 (lower_omp_ordered): Likewise.
13521 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13522 (move_stmt_r): Use it to remap labels. Handle recursion vs
13523 remap_decls_p properly.
13524 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13525 (find_outermost_region_in_block): New.
13526 (new_label_mapper): New.
13527 (move_sese_region_to_fn): Copy eh information to the new function
13529 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13531 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13534 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13536 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13537 into shared libraries.
13539 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13541 * doc/md.texi: Refer to i386/constraints.md instead of
13542 i386/predicates.md.
13543 * config/i386/constraints.md: New file, extracted from...
13544 * config/i386/predicates.md: ...here.
13545 * config/i386/i386.md: Include constraints.md.
13547 2006-03-21 Jason Merrill <jason@redhat.com>
13549 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13551 PR middle-end/20297
13552 * expr.c (init_block_move_fn): Force default visibility.
13553 (init_block_clear_fn): Likewise.
13554 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13555 * targhooks.c (default_external_stack_protect_fail): Likewise.
13557 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13559 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13560 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13561 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13562 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13563 (loadgp): Use mips_current_loadgp_style.
13564 (loadgp_noshared): New pattern.
13565 (sibcall_internal): Use MIPS_CALL.
13566 (sibcall_value_internal): Likewise.
13567 (sibcall_value_multiple_internal): Likewise.
13568 (call_internal): Likewise.
13569 (call_value_internal): Likewise.
13570 (call_value_multiple_internal): Likewise.
13571 (call_split): Use MIPS_CALL and add an 'S' constraint.
13572 (call_value_split): Likewise.
13573 (call_value_multiple_split): Likewise.
13574 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13575 (-mshared): New option.
13576 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13577 (mips_current_loadgp_style): Declare.
13578 * config/mips/mips.c (mips_classify_symbol): Avoid using
13579 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13580 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13581 TARGET_ABSOLUTE_ABICALLS.
13582 (override_options): Adjust comments. Improve the warning that is
13583 issued when -mabicalls and -G are used together.
13584 (mips_file_start): Remove comment.
13585 (mips_current_loadgp_style): New function.
13586 (mips_gnu_local_gp): New variable.
13587 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13589 (mips_output_function_prologue): Use mips_current_laodgp_style.
13590 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13591 the cprestore instruction.
13592 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13593 live for TARGET_ABSOLUTE_ABICALLS.
13594 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13595 (ASM_SPEC): Pass down -mshared and -mno-shared.
13596 (MIPS_CALL): New macro.
13597 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13599 * doc/invoke.texi (-mabicalls): Update documentation.
13600 (-mshared): Document.
13602 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13604 * config/ia64/unwind-hpux.c: New file.
13605 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13607 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13610 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13612 2006-03-21 Jeff Law <law@redhat.com>
13614 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13615 type conversions of a VR_VARYING source to a wider type.
13617 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13619 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13620 tm_file on Solaris 10 and later.
13621 (sparc64-*-solaris2*): Likewise.
13622 (sparc-*-solaris2*): Likewise.
13623 * config/sol26.h: Rename to config/sol2-6.h.
13624 * config/sol2-10.h: New file.
13626 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13629 * tree-ssa-pre.c (create_component_ref_by_pieces):
13632 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13635 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13636 return it immediately.
13638 2006-03-21 Michael Matz <matz@suse.de>
13640 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13642 (remove_arc, add_arc): Update num_out_arcs member.
13643 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13645 (cache_presence): New function.
13646 (compare_states_for_equiv): New function.
13647 (state_is_differed): Don't take number of outargs, adjust callers.
13648 Use new invariant for speeding up.
13649 (init_equiv_class): Create initial classes based on sorted
13651 (partition_equiv_class): Don't track out_arcs_num.
13652 (evaluate_equiv_classes): Call cache_presence on all states and
13655 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13657 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13658 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13659 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13660 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13662 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13663 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13664 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13665 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13666 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13668 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13669 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13670 (REGNO_REG_CLASS): ARGP is in PREGS.
13671 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13673 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13674 to deal with those addresses.
13675 * addresses.h: New file.
13676 * caller-save.c: Include "addresses.h".
13677 (init_caller_save): Use new base_reg_class function.
13678 * rtl-factoring.c: Include "addresses.h".
13679 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13680 * recog.c: Include "addresses.h".
13681 (preprocess_constraints): Use new base_reg_class function.
13682 * regrename.c: Include "addresses.h".
13683 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13684 functions. Keep track of a new var INDEX_CODE to compute valid
13686 (replace_oldest_value_addr): Likewise.
13687 (replace_oldest_value_mem): Use base_reg_class.
13688 * reload.c: Include "addresses.h".
13689 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13690 (find_reloads): Use new base_reg_class function.
13691 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13692 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13693 all callers and prototype changed.
13694 * reload1.c: Include "addresses.h".
13695 (maybe_fix_stack_asms): Use base_reg_class.
13696 * regclass.c: Include "addresses.h".
13697 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13698 (init_reg_autoinc): Use new base_reg_class function.
13699 (record_reg_classes): Likewise.
13700 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13701 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13702 Use new args to compute necessary class.
13704 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13705 regrename.o, rtl-factoring.o): Update dependencies.
13706 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13707 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13708 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13709 REG_OK_FOR_INDEX_P): Delete documentation.
13711 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13713 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13714 from V7 to V9 for Solaris 7 and above.
13716 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13718 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13719 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13720 argument pointers may not alias any other storage.
13721 * common.opt: Define option -fargument-noalias-anything.
13722 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13723 alias semantics is specified by flag_argument_noalias > 2.
13725 2006-03-20 Jeff Law <law@redhat.com>
13727 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13728 (pass_phi_only_cprop): Declare.
13729 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13730 with phi_only_cprop
13731 * tree-ssa-dom.c (degenerate_phi_result): New function.
13732 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13733 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13734 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13735 (eliminate_degenerate_phis): Likewise.
13736 (pass_phi_only_cprop): New pass descriptor.
13737 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13738 support code. Callers updated.
13739 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13740 (store_copy_prop): Likewise.
13741 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13743 2006-03-20 Jason Merrill <jason@redhat.com>
13746 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13747 (push_visibility, pop_visibility): Likewise.
13748 * c-pragma.h: Declare them.
13750 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13752 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13754 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13755 parameter and use get_ebb_head_tail.
13756 (sh_md_init_global): Adjust uses of find_regmode_weight.
13758 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13760 * function.h (struct function) <x_tail_recursion_reentry>:
13761 Rename to x_stack_check_probe_note.
13762 (tail_recursion_reentry): Rename to stack_check_probe_note.
13763 * function.c: Replace tail_recursion_reentry with
13764 stack_check_probe_note everywhere.
13765 (expand_function_start): Only emit a note for
13766 stack_check_probe_note with -fstack-protect.
13767 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13769 * emit-rtl.c (remove_unnecessary_notes): Remove.
13770 (pass_remove_unnecessary_notes): Remove.
13771 * rtl.h (remove_unnecessary_notes): Remove prototype.
13772 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13773 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13774 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13776 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13779 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13780 (valid_in_set): Handle ARRAY_REF.
13781 Change "if min_variant or VH" to asserts.
13782 (create_component_ref_by_pieces): Handle ARRAY_REF.
13783 (create_expression_by_pieces): Likewise.
13784 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13786 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13788 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13789 is operand of switch, not str[0].
13791 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13793 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13794 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13796 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13798 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13799 end of insn_extra_address_constraint declaration.
13801 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13803 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13804 (no-sum-in-toc): Same.
13805 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13807 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13808 NO_FP_IN_TOC for -fPIC instead of mask.
13810 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13811 (BOOT_LDFLAGS): Delete.
13813 * config/rs6000/t-aix52: Same.
13815 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13816 (stmsi[345678]_power): New.
13818 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13820 * config/ia64/ia64.opt: Add empty line to end of file.
13822 2006-03-17 Richard Guenther <rguenther@suse.de>
13824 PR middle-end/26721
13825 * builtins.c (get_pointer_alignment): For component style references
13826 adjust alignment to the component type alignment. Make sure
13827 to adjust alignment for component access of constants.
13829 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13831 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13832 unconditional jump.
13834 2006-03-17 Paul Brook <paul@codesourcery.com>
13836 * doc/install.texi: Docuemnt --with-mode.
13837 * config.gcc: Add --with-mode for arm*-*-*.
13838 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13840 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13842 * sh.c (max_labelno_before_reorg): New variable.
13843 (sh_reorg): Initialize it.
13844 (find_barrier): Check max_labelno_before_reorg before using
13845 label_to_alignment. Take length of explicit alignment insns
13846 into account. When seeing a UNSPECV_CONST_END, return it.
13848 * sh.c (fixup_mova): Set mode of affected label to QImode.
13849 (untangle_mova): New function.
13850 (find_barrier): Use it. Check mode of label before decrementing
13852 (sh_reorg): Likewise.
13853 Set mode of all insns back to VOIDmode.
13855 * sh.c (MOVA_LABELREF): New macro.
13856 (mova_p, fixup_mova, sh_reorg): Use it.
13857 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13858 ADDR_DIFF_VEC matches mova.
13860 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13862 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13863 with ATTRIBUTE_UNUSED.
13865 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13867 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13868 pointer, instead of assuming it is possible to derive the
13869 correct args size from a call insn.
13871 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13873 * rtl.h (CONST_INT_P): Define.
13874 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13875 instead of GET_CODE(x) == CONST_INT.
13876 (vax_rtx_costs): Likewise.
13877 (vax_output_int_move): Likewise.
13878 (vax_output_int_add): Likewise.
13879 (legitimate_constant_address_p): Likewise.
13880 (index_term_p): Likewise.
13881 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13882 * config/vax/vax.md (and<mode>3): Likewise.
13883 (ashrsi3): Likewise.
13885 (movstricthi): Likewise.
13886 (movstrictqi): Likewise.
13887 (rotrsi3): Likewise.
13888 (five unnamed insns): Likewise.
13890 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13892 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13893 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13894 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13895 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13896 Pass to ASM_OUTPUT_DWARF_OFFSET.
13897 * dwarf2out.c (debug_frame_section): New.
13898 (output_call_frame_info): Use debug_frame_section. Pass it to
13899 dw2_asm_output_offset.
13900 (output_die): Pass appropriate section to dw2_asm_output_offset.
13901 (output_compilation_unit_header): Likewise.
13902 (output_pubnames): Likewise.
13903 (output_aranges): Likewise.
13904 (enum dw_val_class): Break dw_val_class_lbl_offset into
13905 dw_val_class_lineptr and dw_val_class_macptr.
13906 (add_AT_lbl_offset): Delete.
13907 (add_AT_lineptr): New.
13908 (add_AT_macptr): New.
13909 (AT_lbl): Expect a lineptr or macptr.
13910 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13911 (attr_checksum): Likewise.
13912 (same_dw_val_p): Likewise.
13913 (size_of_die): Likewise.
13914 (value_format): Likewise.
13915 (output_die): Likewise.
13916 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13918 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13919 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13920 * config/darwin-protos.h (darwin_file_start): New.
13921 (darwin_asm_output_dwarf_offset): New.
13922 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13923 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13925 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13926 if not EH section; simplify.
13927 (darwin_file_start): New.
13928 (darwin_asm_output_dwarf_offset): New.
13929 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13931 (DEBUG_INFO_SECTION): Likewise.
13932 (DEBUG_ABBREV_SECTION): Likewise.
13933 (DEBUG_ARANGES_SECTION): Likewise.
13934 (DEBUG_MACINFO_SECTION): Likewise.
13935 (DEBUG_LINE_SECTION): Likewise.
13936 (DEBUG_LOC_SECTION): Likewise.
13937 (DEBUG_PUBNAMES_SECTION): Likewise.
13938 (DEBUG_STR_SECTION): Likewise.
13939 (DEBUG_RANGES_SECTION): Likewise.
13940 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13941 (ASM_OUTPUT_DWARF_OFFSET): New.
13943 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13945 * config.gcc (tm_defines): Always add to previous value rather
13948 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13950 * config/mips/predicates.md (splittable_const_int_operand): New,
13951 split from move_operand.
13952 (splittable_symbolic_operand): New.
13953 (move_operand): Add commentary. Use splittable_const_int_operand.
13954 Inline mips_atomic_symbolic_constant_p.
13955 * config/mips/mips.md: Add combine splitters for handling moves
13956 of splittable_const_int_operands and splittable_symbolic_operands.
13957 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13958 (mips_split_symbol): Declare.
13959 (mips_move_integer): Declare.
13960 * config/mips/mips.c (mips_split_p): Make global.
13961 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13962 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13963 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13964 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13965 (mips_offset_within_object_p): Handle block symbols.
13966 (mips_atomic_symbolic_constant_p): Delete.
13967 (mips_cannot_force_const_mem): Return false for constants that
13968 mips_legitimize_move can handle.
13969 (mips_use_blocks_for_constant_p): New function.
13970 (mips_split_symbol): Make global.
13971 (mips_move_integer): Likewise. Add a temporary register argument.
13972 (mips_legitimize_const_move): Use splittable_const_int_operand and
13973 splittable_symbolic_operand.
13974 (mips_use_anchors_for_symbol_p): New function.
13975 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13976 (mips_split_p): Declare.
13978 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13980 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13981 (mips*-*-linux*): Likewise.
13983 2006-03-16 Roger Sayle <roger@eyesopen.com>
13984 Daniel Speyer <dspeyer@wam.umd.edu>
13986 PR middle-end/18259
13987 * tree-dump.c (dump_real): New function.
13988 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13989 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13990 (tree-dump.o): Add $(REAL_H) to the dependencies.
13992 2006-03-16 Roger Sayle <roger@eyesopen.com>
13994 PR middle-end/21781
13995 * real.c (real_from_string): If the mantissa is zero, don't bother
13996 parsing the exponent as the result should always be zero.
13998 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14000 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14002 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14004 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14005 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14006 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14007 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14008 ia64_sched_finish_global): New static functions to implement
14009 hooks from gcc_target.sched.
14010 (spec_check_no, max_uid, pending_data_specs): New static variables.
14011 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14012 ia64_spec_check_src_p): New static functions.
14013 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14014 (TARGET_SCHED_ADJUST_COST): Removed.
14015 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14016 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14017 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14018 TARGET_SCHED_GEN_CHECK,
14019 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14020 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14021 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14022 Fixed to handle speculation checks.
14023 (rtx_needs_barrier): Fixed to handle speculative loads and
14025 (ia64_variable_issue): Added code to count speculative loads and their
14027 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14029 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14031 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14033 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14034 (ia64_reorg): Reset stops_p to NULL after it is freed.
14035 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14036 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14037 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14039 (data_speculative, control_speculative, check_load): New attributes.
14040 (mov<mode>_advanced, mov<mode>_speculative,
14041 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14042 zero_extend<mode>di2_speculative,
14043 zero_extend<mode>di2_speculative_advanced): New patterns for
14044 data and control speculative loads.
14045 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14047 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14048 New pattern for data and control speculation checks.
14049 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14050 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14051 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14052 Auxiliary definitions for the patterns.
14053 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14054 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14056 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14058 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14059 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14060 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14061 New resource constraints.
14062 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14064 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14065 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14066 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14067 msched-in-control-spec, msched-ldc, msched-control-ldc,
14068 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14069 msched-prefer-non-control-spec-insns,
14070 msched-count-spec-in-critical-path): New flags to tune speculative
14072 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14073 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14074 msched-in-control-spec, msched-ldc, msched-control-ldc,
14075 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14076 msched-prefer-non-control-spec-insns,
14077 msched-count-spec-in-critical-path): Document new flags.
14079 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14081 * target.h (struct spec_info_def): New opaque declaration.
14082 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14083 speculate_insn, needs_block_p, gen_check,
14084 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14085 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14086 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14087 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14088 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14089 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14091 (TARGET_SCHED): Use new macros.
14092 * rtl.h (copy_DEPS_LIST_list): New prototype.
14093 * sched-int.h (struct sched_info): Change signature of new_ready field,
14094 adjust all initializations. New fields: add_remove_insn,
14095 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14096 region_head_or_leaf_p.
14097 (struct spec_info_def): New structure declaration.
14098 (spec_info_t): New typedef.
14099 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14100 recovery_block, orig_pat.
14101 (glat_start, glat_end): New variables declaraions.
14102 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14104 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14105 DETACH_LIFE_INFO, USE_GLAT.
14106 (enum SPEC_SCHED_FLAGS): New enumeration.
14107 (NOTE_NOTE_BB_P): New macro.
14108 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14109 attach_life_info, debug_spec_status, check_reg_live): New functions.
14110 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14111 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14113 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14114 * ddg.c (get_block_head_tail): Adjust all uses.
14115 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14116 (sms_sched_info): Initialize new fields.
14117 (contributes_to_priority): Removed.
14118 * haifa-sched.c (params.h): New include.
14119 (get_block_head_tail): Adjust all uses.
14120 (ISSUE_POINTS): New macro.
14121 (glat_start, glat_end): New global variables.
14122 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14123 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14124 old_last_basic_block, before_recovery, current_sched_info_var,
14125 rgn_n_insns, luid): New static variables.
14126 (insn_cost1): New function. Move logic from insn_cost to here.
14127 (find_insn_reg_weight1): New function. Move logic from
14128 find_insn_reg_weight to here.
14129 (reemit_notes, move_insn, max_issue): Change signature.
14130 (move_insn1): Removed.
14131 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14132 extend_bb): New static functions to support extension of scheduler's
14134 (generate_recovery_code, process_insn_depend_be_in_spec,
14135 begin_speculative_block, add_to_speculative_block,
14136 init_before_recovery, create_recovery_block, create_check_block_twin,
14137 fix_recovery_deps): New static functions to support
14138 generation of recovery code.
14139 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14140 restore_bb_notes, move_block_after_check, move_succs): New static
14141 functions to support ebb scheduling.
14142 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14143 functions to support handling of register live information.
14144 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14145 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14146 add_jump_dependencies): New static functions.
14147 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14148 consistancy checking.
14149 (debug_spec_status): New function to call from debugger.
14150 (priority): Added code to handle speculation checks.
14151 (rank_for_schedule): Added code to distinguish speculative instructions.
14152 (schedule_insn): Added code to handle speculation checks.
14153 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14154 Fixed to handle ebbs.
14155 (move_insn): Added code to handle ebb scheduling.
14156 (max_issue): Added code to use ISSUE_POINTS of instructions.
14157 (choose_ready): Added code to choose between speculative and
14158 non-speculative instructions.
14159 (schedule_block): Added code to handle ebb scheduling and scheduling of
14160 speculative instructions.
14161 (sched_init): Initialize new variables.
14162 (sched_finish): Free new variables. Print statistics.
14163 (try_ready): Added code to handle speculative instructions.
14164 * lists.c (copy_DEPS_LIST_list): New function.
14165 * sched-deps.c (extend_dependency_caches): New function. Move logic
14166 from create_dependency_caches to here.
14167 (get_dep_weak, ds_merge): Make global.
14168 * genattr.c (main): Code to output prototype for
14169 dfa_clear_single_insn_cache.
14170 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14171 (output_dfa_clean_insn_cache_func): Code to output
14172 dfa_clear_single_insn_cache function.
14173 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14175 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14177 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14178 New static variables.
14179 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14180 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14182 (ebb_sched_info): Initialize new fields.
14183 (get_block_head_tail): Adjust all uses.
14184 (compute_jump_reg_dependencies): Fixed to use glat_start.
14185 (schedule_ebb): Code to remove unreachable last block.
14186 (schedule_ebbs): Added code to update register live information.
14187 * sched-rgn.c (region_sched_info): Initialize new fields.
14188 (get_block_head_tail): Adjust all uses.
14189 (last_was_jump): Removed. Adjust users.
14190 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14191 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14192 Implement new hooks.
14193 (check_dead_notes1): New static function.
14194 (struct region): New fields: dont_calc_deps, has_real_ebb.
14195 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14196 (BB_TO_BLOCK): Fixed to handle EBBs.
14197 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14198 (ebb_head): New static variable.
14199 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14200 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14202 (compute_dom_prob_ps): New assertion.
14203 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14204 global_live_at_start.
14205 (init_ready_list): New assertions.
14206 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14207 (new_ready): Add support for BEGIN_CONTROL speculation.
14208 (schedule_insns): Fixed code that updates register live information
14210 (schedule_region): Fixed to handle EBBs.
14211 (init_regions): Use extend_regions and check_dead_notes1.
14212 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14213 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14214 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14215 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14216 TARGET_SCHED_GEN_CHECK,
14217 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14218 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14219 * doc/invoke.texi (max-sched-insn-conflict-delay,
14220 sched-spec-prob-cutoff): Document.
14222 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14224 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14225 inter_tick, queue_index.
14226 (struct sched_info): Change signature of init_ready_list field.
14227 Adjust all initializations.
14228 (RESOLVED_DEPS): New access macro.
14229 (ready_add): Remove prototype.
14230 (try_ready): Add prototype.
14231 * sched-rgn.c (init_ready_list): Use try_ready.
14232 (schedule_region): Initialize
14233 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14234 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14235 (init_ready_list): Use try_ready.
14236 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14237 * lists.c (remove_list_elem): Remove `static'.
14238 (remove_free_INSN_LIST_elem): New function.
14239 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14240 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14241 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14243 (readyp): New variable.
14244 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14245 change_queue_index, resolve_dep): New static functions.
14246 (try_ready): New function. Adjust callers in sched-rgn.c and
14247 sched-ebb.c to use it instead of ready_add.
14248 (clock_var): Move at the begining of file.
14249 (rank_for_schedule): Fix typo.
14250 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14251 (ready_lastpos): Enforce assertion.
14252 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14253 update all callers.
14254 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14255 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14256 (queue_to_ready): Use free_INSN_LIST_list.
14257 (early_queue_to_ready): Fix typo.
14258 (schedule_block): Init readyp. Move init_ready_list call after the
14259 initialization of clock_var. Fix error in rejecting insn by
14260 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14261 that previously corrected INSN_TICKs. Add code for handling
14263 (set_priorities): Fix typo.
14264 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14265 Clarify comment and code that keeps current_sched_info->next_tail
14268 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14270 * sched-rgn.c (extend_rgns): New static function.
14271 (find_rgns): Use it.
14272 (gather_region_statistics, print_region_statistics): New static
14274 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14275 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14277 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14278 Andrey Belevantsev <abel@ispras.ru>
14280 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14281 * lists.c (unused_deps_list): New variable.
14282 (free_list): Add assertions to verify the proper distinguishing
14283 between INSN_LISTs and DEPS_LISTs.
14284 (find_list_elem, remove_list_elem, remove_list_node): New static
14286 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14287 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14288 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14289 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14291 (free_INSN_LIST_node): Likewise.
14292 * modulo-sched.c (current_sched_info): Initialize flags field.
14293 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14294 * rtl.def (DEPS_LIST): Define.
14295 * rtl.h: Declare new functions from lists.c.
14296 * sched-deps.c (spec_dependency_cache): New static variable.
14297 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14298 (add_dependence): Change return type to void. Move the logic to ...
14299 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14300 (delete_all_dependences): Add comment about forward_dependency_cache.
14301 Handle spec_dependency_cache. Handle DEPS_LISTs.
14302 (fixup_sched_groups): Clarify the change of priority of output
14303 and anti dependencies.
14304 (sched_analyze_2): Adjust add_dependence calls to create data
14305 speculative dependence.
14306 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14307 Adjust all callers. Handle DEPS_LISTS.
14308 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14309 presence of speculation.
14310 (init_dependency_caches, free_dependency_caches):
14311 Handle spec_dependency_cache.
14312 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14313 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14314 New static functions.
14315 (add_or_update_back_dep, add_or_update_back_forw_dep,
14316 add_back_forw_dep, delete_back_forw_dep): New functions.
14317 * sched-int.h (ds_t, dw_t): New typedefs.
14318 (struct sched_info): Add new field flags.
14319 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14320 Prototype new sched-deps.c functions.
14321 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14322 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14323 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14324 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14325 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14326 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14328 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14330 * sched-rgn.c (current_sched_info): Initialize flags field.
14331 (schedule_insns): Initialize current_sched_info before the sched_init
14333 * sched-ebb.c (current_sched_info): Initialize flags field.
14334 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14335 Call add_or_update_back_dep instead of add_dependence.
14336 Create control speculative dependencies.
14337 (schedule_insns): Initialize current_sched_info before the sched_init
14340 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14342 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14344 (sh_fallback_frame_state): Likewise.
14346 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14348 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14349 Do switch on default_use_cxa_atexit.
14350 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14351 * config/darwin-crt3.o: New.
14352 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14353 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14354 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14356 * config/rs6000/t-darwin: Move crt2.o building to here.
14357 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14358 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14361 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14363 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14364 from '! xxx' to '!xxx' for coding-style conformance.
14365 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14366 (EXTRA_CONSTRAINT): Likewise.
14367 * config/vax/vax.md (four unnamed insns): Likewise.
14369 2006-03-15 Paul Brook <paul@codesourcery.com>
14371 * config/arm/arm.c (minipool_pad): New.
14372 (add_minipool_forward_ref): Include pool alignment padding in address
14374 (push_minipool_fix): Set minipool_pad.
14375 (minipool_pad): Ditto.
14377 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14379 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14380 instead of GET_CODE() == MEM and REG_P() instead of
14382 (print_operand_address): Likewise.
14383 (vax_address_cost): Likewise.
14384 (vax_rtx_costs): Likewise.
14385 (vax_notice_update_cc): Likewise.
14386 (vax_output_int_add): Likewise.
14387 (INDEX_REGISTER_P): Likewise.
14388 (BASE_REGISTER_P): Likewise.
14389 (nonindexed_address_p): Likewise.
14390 (vax_mode_dependent_address_p): Likewise.
14391 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14392 (PRINT_OPERAND): Likewise.
14393 * config/vax/vax.md (ashlsi3): Likewise.
14394 (ashlsi3): Likewise.
14395 (some more unnamed insns): Likewise.
14397 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14399 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14400 iterator-style macro.
14401 (mark_control_dependent_edges_necessary): Update the use of
14402 EXECUTE_IF_CONTROL_DEPENDENT.
14404 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14406 * config/sh/predicates.md (cache_address_operand): Special.
14407 (ua_address_operand): Likewise.
14409 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14411 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14413 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14415 2006-03-15 Andreas Schwab <schwab@suse.de>
14417 * gensupport.c (identify_predicable_attribute): Don't free p_false
14418 when it is still in use.
14420 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14422 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14423 the default setting here.
14425 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14427 * tree-pass.h (pass_cfg): Remove.
14428 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14429 * passes.c (pass_cfg): Don't run it.
14431 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14433 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14434 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14436 (stack_regs_mentioned): Update the uses of
14437 stack_regs_mentioned_data. Don't access the array beyond its
14439 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14440 Don't include gt-reg-stack.h.
14442 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14443 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14445 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14447 PR middle-end/26684
14448 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14451 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14453 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14455 2006-03-14 Richard Guenther <rguenther@suse.de>
14457 PR tree-optimization/26672
14458 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14461 2006-03-14 Richard Guenther <rguenther@suse.de>
14463 PR tree-optimization/26667
14464 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14465 node for the callees. Always allow inlining if it will shrink
14468 2006-03-14 Richard Guenther <rguenther@suse.de>
14470 PR middle-end/26659
14471 * builtins.c (get_pointer_alignment): Prefer alignment
14472 information from decls over that from types.
14474 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14477 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14479 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14481 * config/rs6000/rs6000.opt (mdlmzb): New option.
14482 (msched-prolog, msched-epilog): Use Var not Mask.
14483 * doc/invoke.texi (-mdlmzb): Document.
14484 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14486 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14487 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14489 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14491 PR rtl-optimization/25739
14492 * bt-load.c (augment_live_range): Free tos pointer.
14494 * gensupport.c (identify_predicable_attribute): Free
14496 * gcov.c (create_file_names): Free name pointer.
14498 2006-03-13 Roger Sayle <roger@eyesopen.com>
14500 PR middle-end/26557
14501 * stmt.c (emit_case_nodes): Handle the case where the index is a
14502 CONST_INT, where the comparison mode is specified by the index type.
14504 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14506 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14509 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14511 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14512 (*branch_fp_inverted): Likewise.
14514 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14516 PR middle-end/25989
14517 * omp-low.c (expand_omp_for_generic): Mark istart0
14518 and iend0 as addressable.
14520 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14522 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14524 2006-03-13 Jeff Law <law@redhat.com>
14526 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14527 virtual operands are interesting.
14528 (vrp_visit_stmt): Corresponding changes.
14530 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14532 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14534 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14535 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14536 * config/bfin/crti.S: Use it instead of __PIC__.
14537 * config/bfin/crtn.S: Likewise.
14539 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14540 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14542 Lose 'G' modifier for call operand.
14543 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14544 recognize 'G' modifier.
14546 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14548 PR middle-end/18859
14549 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14550 * stmt.c (expand_case): Likewise.
14552 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14554 PR rtl-optimization/26254
14555 * loop-invariant.c (seq_insns_valid_p): New function.
14556 (move_invariant_reg): Only emit new code if it is valid.
14558 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14560 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14562 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14563 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14564 (commit_one_edge_insertion): Do not look for loop notes.
14566 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14568 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14569 flag_test_coverage out of loop.
14571 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14573 * final.c (shorten_branches): Remove outdated comment, and turn
14574 the if branch that guards it to continue.
14576 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14578 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14579 * cfgloop.h (struct loop): Remove unused fields.
14581 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14583 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14584 (-dL, -fdump-rtl-loop2): Update the dump file names
14586 * doc/invoke.texi: Update dump file names.
14588 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14590 * predict.c (estimate_probability): Remove.
14591 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14592 * basic-block.h (estimate_probability): Remove prototype.
14593 * passes.c (finish_optimization_passes): Dump branch prediction or
14594 profiling heuristics to the .profile tree dump.
14595 (init_optimization_passes): Unqueue pass_branch_prob.
14597 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14599 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14601 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14602 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14604 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14606 * function.h (frame_offset_overflow): Declare.
14607 * function.c (frame_offset_overflow): New function.
14608 (assign_stack_local_1): Call it to detect that the offset overflows.
14609 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14611 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14613 * config/sh/sh.c: Include alloc-pool.h.
14614 (label_ref_list_pool): New alloc pool.
14615 (label_ref_list_t): New type for lists of labels.
14616 (struct pool_node): Make wend a label_ref_list_t.
14617 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14619 (dump_table): Likewise.
14620 (sh_reorg): Set up the alloc pool before using add_constant and
14621 dump_table, and destroy it when finishing.
14623 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14625 * config/mips/mips.c: Remove redundant comment.
14627 2006-03-10 Jason Merrill <jason@redhat.com>
14630 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14631 the target was declared 'register'.
14633 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14635 * genpreds.c (write_insn_constraint_len): Change definition of
14636 insn_constraint_len to return size_t to match the declaration.
14638 2006-03-10 DJ Delorie <dj@redhat.com>
14640 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14642 (m32c_expand_insv): Fix test for an AND mask.
14644 2006-03-10 Richard Guenther <rguenther@suse.de>
14646 PR middle-end/26565
14647 * builtins.c (get_pointer_alignment): Handle component
14648 references for field alignment.
14650 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14652 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14653 when building with libgloss.
14654 (sh*elf): Implement --without-fp option.
14655 (sh64-superh-linux*): Don't multilib.
14657 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14659 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14661 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14663 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14664 Set it when one of the replacement functions returned true.
14665 Return TODO_cleanup_cfg if cfgchanged is true.
14666 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14668 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14670 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14671 instead of gen_lowpart.
14673 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14675 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14677 (mips_output_order_conditional_branch): Declare.
14678 * config/mips/mips.h (MIPS_BRANCH): New macro.
14679 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14680 for the comparison. Use gen_condjump.
14681 (mips_output_conditional_branch): Rework interface to take the
14682 asm templates for a direct branch and the inverse of a direct branch.
14683 (mips_output_order_conditional_branch): New function.
14684 (mips_builtin_branch_and_move): New function.
14685 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14686 branch condition. Use gen_single_cc as the condition for
14687 __builtin_mips_upper_* or __builtin_mips_lower_*.
14688 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14689 Use VOIDmode for the branch condition.
14690 * config/mips/predicates.md (order_operator): New predicate.
14691 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14692 (branch_fp): Rename to...
14693 (*branch_fp): ...this. Remove mode from comparison operator.
14694 Use new mips_output_conditional_branch interface.
14695 (branch_fp_inverted): Rename to...
14696 (*branch_fp_inverted): ...this and update as for *branch_fp.
14697 (*branch_zero<mode>): Rename to...
14698 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14699 Use mips_output_order_conditional_branch. Only accept ordered
14701 (*branch_zero<mode>_inverted): Rename to...
14702 (*branch_order<mode>_inverted): ...this and update as for
14703 *branch_order<mode>.
14704 (*branch_equality<mode>): Accept zero as the second operand to
14705 the equality operator. Use the new mips_output_conditional_branch
14707 (*branch_equality<mode>_inverted): Likewise.
14708 (condjump): New expander.
14709 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14711 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14712 (bc1any2t, bc1any2f): Likewise.
14713 (single_cc): New expander.
14714 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14716 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14718 * doc/md.texi: Update documentation of MIPS constraints.
14719 * config/mips/constraints.md: New file.
14720 * config/mips/mips.md: Include it.
14721 * config/mips/mips.c (mips_char_to_class): Delete.
14722 (override_options): Don't initialize mips_char_to_class.
14723 * config/mips/mips.h (mips_char_to_class): Delete.
14724 (REG_CLASS_FROM_LETTER): Delete.
14725 (CONST_OK_FOR_LETTER_P): Delete.
14726 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14727 (EXTRA_CONSTRAINT_Y): Delete.
14728 (EXTRA_CONSTRAINT_STR): Delete.
14729 (CONSTRAINT_LEN): Delete.
14730 (EXTRA_MEMORY_CONSTRAINT): Delete.
14732 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14734 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14735 original fn's eh regions.
14737 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14739 * fold-const.c (build_range_check): Make sure to use a valid type to
14740 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14743 (range_predecessor): New static function.
14744 (range_successor): Likewise.
14745 (merge_ranges): Use them to compute predecessors and successors of
14748 2006-03-09 Roger Sayle <roger@eyesopen.com>
14750 PR middle-end/26561
14751 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14752 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14754 2006-03-08 DJ Delorie <dj@redhat.com>
14756 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14757 (addpsi3): Expand to include memory operands. Remove
14758 reload-specific splits.
14759 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14760 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14761 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14762 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14763 (shift1_qi, shift1_hi, insv): New.
14764 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14765 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14766 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14768 * config/m32c/m32c-protos.h: Update as needed.
14769 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14770 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14771 Fail for unrecognized R* constraints.
14772 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14773 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14774 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14776 (m32c_init_libfuncs): New.
14777 (m32c_legitimate_address_p): Add debug wrapper.
14778 (m32c_rtx_costs): New.
14779 (m32c_address_cost): New.
14780 (conversions): Add 'B' prefix.
14781 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14782 operands, or word regnames for QI operands. 'B' prints bit
14784 (m32c_expand_setmemhi): New.
14785 (m32c_expand_movmemhi): New.
14786 (m32c_expand_movstr): New.
14787 (m32c_expand_cmpstr): New.
14788 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14789 (m32c_expand_neg_mulpsi3): Handle non-ints.
14790 (m32c_cmp_flg_0): New.
14791 (m32c_expand_movcc): New.
14792 (m32c_expand_insv): New.
14793 (m32c_scc_pattern): New.
14794 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14795 a0/a1 out of SIregs.
14796 (STORE_FLAG_VALUE): New.
14797 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14800 * config/m32c/mov.md: Make constraints more liberal.
14801 (zero_extendqihi2): Optimize r0/r1 case.
14802 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14803 * config/m32c/predicates.md (m32c_any_operand): New.
14804 (m32c_nonimmediate_operand): New.
14805 (m32c_hl_operand): New.
14806 (m32c_r3_operand): New.
14809 (memsym_operand): New.
14810 (memimmed_operand): New.
14811 (a_qi_operand): New.
14812 (m32c_eqne_operator): New.
14813 (m32c_1bit8_operand): New.
14814 (m32c_1bit16_operand): New.
14815 (m32c_1mask8_operand): New.
14816 (m32c_1mask16_operand): New.
14817 * config/m32c/blkmov.md: New file.
14818 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14820 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14822 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14823 unsigned to fix signed/unsigned comparison issue in
14824 DWARF2_FRAME_REG_OUT.
14825 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14826 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14828 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14829 of ptr into the ENABLE_CHECKING section.
14831 2006-03-08 Jeff Law <law@redhat.com>
14833 * tree-vrp.c (infer_value_range): Only count pointer uses
14834 and dereferences if -fdelete-null-pointer-checks is enabled.
14836 * tree-vrp.c (find_assert_locations): Infer value ranges for
14837 single use pointers, but do not create ASSERT_EXPRs for them.
14838 When a non-null range is inferred for a pointer, backwards
14839 propagate that range to other equivalent pointers through the
14842 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14845 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14846 language hook targets.
14847 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14848 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14849 if language hook targets were missing.
14851 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14853 * tree-ssa-opfinalize.h: Removed.
14854 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14856 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14857 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14858 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14859 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14860 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14861 finalize_ssa_v_must_def_ops): New.
14863 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14865 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14866 block as parameter.
14868 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14870 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14872 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14873 addresses with offsets; reorganize.
14875 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14876 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14877 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14879 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14882 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14884 2006-03-08 Ben Elliston <bje@au.ibm.com>
14886 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14888 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14891 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14894 2006-03-07 Richard Guenther <rguenther@suse.de>
14896 PR tree-optimization/26587
14897 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14899 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14901 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14903 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14905 * hooks.c (hook_bool_mode_rtx_true): New function.
14906 * hooks.h (hook_bool_mode_rtx_true): Declare.
14907 * toplev.c (compile_file): Call output_shared_constant_pool.
14908 * varasm.c (shared_constant_pool): New variable.
14909 (assemble_start_function, assemble_end_function): Remove arguments
14910 from call to output_constant_pool.
14911 (create_constant_pool): New function, split out from...
14912 (init_varasm_status): ...here.
14913 (force_const_mem): Choose between the shared and per-function constant
14914 pools. Set current_function_uses_const_pool when reusing old entries
14915 as well as when creating new ones.
14916 (mark_constant): Ignore data argument.
14917 (mark_constants): Remove pool argument.
14918 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14919 to decide whether the function uses a constant pool.
14920 (output_constant_pool_contents): New function, split out from...
14921 (output_constant_pool): ...here.
14922 (output_shared_constant_pool): New function.
14923 (init_varasm_once): Initialize shared_constant_pool.
14924 * output.h (output_constant_pool): Delete.
14925 (output_shared_constant_pool): Declare.
14926 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14927 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14929 2006-03-06 Nick Clifton <nickc@redhat.com>
14931 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14932 flag_strength_reduce.
14934 2006-03-06 Ben Elliston <bje@au.ibm.com>
14936 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14937 x86_64-*-linux* configurations.
14939 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14940 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14942 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14944 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14946 * basic-block.h: Remove the extern for
14947 rediscover_loops_after_threading.
14949 * cfgloop.c (cancel_loop): Make it static.
14950 * cfgloop.h: Remove the prototype for cancel_loop.
14952 * flow.c (recompute_reg_usage): Make it static.
14953 * rtl.h: Remove the prototype for recompute_reg_usage.
14955 * function.c (use_return_register): Make it static.
14956 * function.h: Remove the prototype.
14958 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14960 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14962 * recog.h: Remove the prototype for
14963 validate_change_maybe_volatile.
14965 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14967 * rtlanal.c (replace_reg): Remove.
14968 * rtl.h: Remove the prototype for replace_reg.
14970 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14972 * regclass.c (reg_scan_update): Remove.
14973 (reg_scan_mark_refs): Remove the last argument.
14974 * rtl.h: Remove the prototype for reg_scan_update.
14976 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14978 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14979 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14980 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14981 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14982 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14983 loop-invariant.c, omp-low.c, opts.c, passes.c,
14984 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14985 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14986 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14987 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14988 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14989 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14991 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14993 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14994 * dwarf2out.h: Remove the prototype for
14995 dwarf2out_add_library_unit_info.
14997 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14999 * tree.c (add_var_to_bind_expr): Remove.
15000 * tree.h: Remove the prototype for add_var_to_bind_expr.
15002 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15004 * regclass.c (n_non_fixed_regs): Remove.
15005 (init_reg_sets_1, globalize_reg): Remove all uses of
15007 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15009 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15011 * rtlanal.c (insns_safe_to_move_p): Remove.
15012 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15014 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15016 * expmed.c (expand_mult_add): Remove.
15017 * expr.h: Remove the prototype for expand_mult_add.
15019 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15021 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15022 and REG_SAVED_VAL_EXP constants.
15023 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15024 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15025 Handle regs stored by value.
15026 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15027 (execute_cfa_program): Handle DW_CFA_val_offset,
15028 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15029 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15030 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15031 (uw_install_context_1): Handle target regs stored by value.
15033 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15035 * tree-sra.c (tree_sra): Return todoflags;
15036 (generate_one_element): Set TODO_update_smt_usage if needed.
15037 (pass_sra): Remove TODO_update_smt_usage.
15038 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15040 (tree_ssa_forward_propagate_single_use_vars): Return
15041 TODO_update_smt_usage if we need to update SMT usage.
15042 (pass_forwprop): Remove TODO_update_smt_usage.
15044 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15046 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15047 (correct_use_link): Remove reference to get_stmt_operands.
15048 (update_stmt_operands): Likewise.
15049 (get_modify_expr_operands): New function factored out of
15050 parse_ssa_operands and get_expr_operands.
15051 Try to create V_MUST_DEFs for LHS by default.
15052 (get_expr_operands) <case MODIFY_EXPR>: Call
15053 get_modify_expr_operands.
15054 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15055 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15056 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15057 get_modify_expr_operands.
15059 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15061 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15062 * tree-flow.h: Remove the prototype for
15063 referenced_var_lookup_if_exists.
15065 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15067 PR rtl-optimization/26345
15069 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15071 2006-03-03 Roger Sayle <roger@eyesopen.com>
15073 PR tree-optimization/26524
15074 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15075 fold_convert to create a constant of the appropriate type.
15077 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15079 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15080 SYMBOL_REF_IN_BLOCK_P.
15081 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15082 of SYMBOL_FLAG_IN_BLOCK.
15083 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15084 instead of SYMBOL_REF_IN_BLOCK_P.
15085 * explow.c (use_anchored_address): Likewise.
15086 * rtl.c (rtx_size): Likewise.
15087 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15088 instead of SYMBOL_FLAG_IN_BLOCK.
15089 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15090 SYMBOL_REF_IN_BLOCK_P.
15091 (assemble_variable): Likewise.
15092 (output_constant_def_contents): Likewise.
15093 (output_constant_pool): Likewise.
15094 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15095 instead of SYMBOL_FLAG_IN_BLOCK.
15096 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15097 SYMBOL_REF_IN_BLOCK_P.
15098 (SYMBOL_REF_BLOCK): Likewise.
15099 (SYMBOL_REF_OFFSET): Likewise.
15100 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15101 SYMBOL_REF_IN_BLOCK_P.
15102 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15103 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15104 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15105 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15107 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15109 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15111 2006-03-02 Roger Sayle <roger@eyesopen.com>
15113 * simplify-rtx.c (simplify_unary_operation): When simplifying
15114 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15115 that we perform the right shift in the appropriate mode, and
15116 then extend or truncate the result to requested mode.
15118 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15120 * gengtype.c (main): Handle double_int type.
15121 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15122 * double-int.c: New file.
15123 * double-int.h: New file.
15124 * system.h: Include doubleint.h.
15125 * Makefile.in (SYSTEM_H): Include double-int.h.
15126 (double-int.o): Add.
15128 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15131 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15134 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15136 * tree-vrp.c (remove_range_assertions): Do not update statements
15139 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15141 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15143 * gcse.c (rest_of_handle_gcse): Ditto.
15144 * except.c (gate_handle_eh): Ditto.
15145 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15146 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15148 2006-03-02 Eric Christopher <echristo@apple.com>
15150 * config/i386/i386.c (machopic_output_stub): Add indirection to
15153 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15157 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15159 Sun Niagara specific optimizations.
15160 * config.gcc: Recognize niagara as target.
15161 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15162 (TARGET_CPU_niagara): Define.
15163 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15164 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15165 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15166 (ASM_CPU_SPEC): Likewise.
15167 (PROCESSOR_NIAGARA): New enum entry.
15168 (REGISTER_MOVE_COST): Handle Niagara.
15169 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15170 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15171 (sparc_override_options): Recognize "niagara", set appropriate
15172 default MASK_* values for it, and align functions to 32-bytes
15173 by default just like ULTRASPARC/ULTRASPARC3.
15174 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15175 (sparc64_initialize_trampoline): Likewise.
15176 (sparc_use_sched_lookahead): Use zero for niagara.
15177 (sparc_issue_rate): Use one for niagara.
15178 * config/sparc/niagara.md: New file.
15179 * config/sparc/sparc.md: Include it.
15180 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15181 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15182 when default cpu is niagara.
15183 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15184 (ASM_CPU_SPEC): Likewise.
15185 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15186 when default cpu is niagara.
15187 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15188 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15189 just like v9/ultrasparc/ultrasparc3.
15190 * doc/invoke.texi: Add documentation for "niagara" and improve
15191 existing documentation for ultrasparc variants.
15193 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15195 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15197 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15199 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15200 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15201 and say that only one is needed.
15202 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15203 * target.h (have_switchable_bss_sections): New hook.
15204 * explow.c (use_anchored_address): Check that the symbol is in a block.
15205 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15206 (bss_noswitch_section): New variables.
15207 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15208 (get_noswitch_section): New function.
15209 (get_block_for_section): Allow SECT to be null.
15210 (unlikely_text_section_p): Use SECTION_STYLE.
15211 (bss_initializer_p): New function.
15212 (get_variable_section): Move earlier in file. Take a new argument,
15213 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15214 Return one of the new *_sections in such cases.
15215 (get_block_for_decl): New function, extracting some logic from
15216 use_blocks_for_decl_p.
15217 (change_symbol_section): Remove in favor of...
15218 (change_symbol_block): ...this new function.
15219 (use_blocks_for_decl_p): Remove checks now performed by
15220 get_block_for_decl.
15221 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15222 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15223 (emit_local, emit_bss, emit_common): ...these new functions.
15224 Return true if the alignment was honored.
15225 (emit_tls_common): New function.
15226 (asm_emit_uninitialised): Delete.
15227 (assemble_variable_noswitch): New function, split out from...
15228 (assemble_variable): ...here. Don't make decisions about common
15229 variables here. Globalize all public decls that go into non-common
15230 sections. Check whether SYMBOL_REF_BLOCK is null.
15231 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15232 (output_constant_pool): Likewise.
15233 (init_varasm_once): Initialize the new section variables.
15234 (have_global_bss_p): New function.
15235 (categorize_decl_for_section): Use bss_initializer_p.
15236 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15237 (place_block_symbol): Assert that the symbol must be in a block.
15238 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15239 (TARGET_INITIALIZER): Include it.
15240 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15241 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15242 (SECTION_MACH_DEP): Bump by two.
15243 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15244 (unnamed_section): Mention SECTION_UNNAMED in comment.
15245 (named_section): Likewise SECTION_NAMED.
15246 (noswitch_section_callback): New type.
15247 (noswitch_section): New structure.
15248 (section): Add a noswitch_section alternative.
15249 (SECTION_STYLE): New macro.
15250 (tls_comm_section, comm_section, lcomm_section): Declare.
15251 (bss_noswitch_section, have_global_bss_p): Declare.
15252 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15253 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15255 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15256 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15259 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15261 * tree-vrp.c (execute_vrp): Return value.
15262 * regrename.c (rest_of_handle_regrename): Ditto.
15263 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15264 * tree-complex.c (tree_lower_complex): Ditto.
15265 (tree_lower_complex_O0): Ditto.
15266 * tracer.c (rest_of_handle_tracer): Ditto.
15267 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15268 * postreload.c (rest_of_handle_postreload): Ditto.
15269 * tree-tailcall.c (execute_tail_recursion): Ditto.
15270 (execute_tail_calls): Ditto.
15271 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15272 * tree.h (init_function_for_compilation): Ditto.
15273 * ipa-cp.c (ipcp_driver): Ditto.
15274 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15275 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15276 * final.c (compute_alignments): Ditto.
15277 (rest_of_handle_final): Ditto.
15278 (rest_of_handle_shorten_branches): Ditto.
15279 (rest_of_clean_state): Ditto.
15280 * omp-low.c (execute_expand_omp): Ditto.
15281 (execute_lower_omp): Ditto.
15282 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15283 * ipa-reference.c (static_execute): Ditto.
15284 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15285 * reorg.c (rest_of_handle_delay_slots): Ditto.
15286 (rest_of_handle_machine_reorg): Ditto.
15287 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15288 * flow.c (recompute_reg_usage): Ditto.
15289 (rest_of_handle_remove_death_notes): Ditto.
15290 (rest_of_handle_life): Ditto.
15291 (rest_of_handle_flow2): Ditto.
15292 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15293 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15294 (do_ssa_store_ccp): Ditto.
15295 (execute_fold_all_builtins): Ditto.
15296 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15297 * modulo-sched.c (rest_of_handle_sms): Ditto.
15298 * ipa-pure-const.c (static_execute): Ditto.
15299 * cse.c (rest_of_handle_cse): Ditto.
15300 (rest_of_handle_cse2): Ditto.
15301 * web.c (rest_of_handle_web): Ditto.
15302 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15303 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15304 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15305 * tree-nrv.c (tree_nrv): Ditto.
15306 (execute_return_slot_opt): Ditto.
15307 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15308 (create_structure_vars): Ditto.
15309 * loop-init.c (rtl_loop_init): Ditto.
15310 (rtl_loop_done): Ditto.
15311 (rtl_move_loop_invariants): Ditto.
15312 (rtl_unswitch): Ditto.
15313 (rtl_unroll_and_peel_loops): Ditto.
15314 (rtl_doloop): Ditto.
15315 * gimple-low.c (lower_function_body): Ditto.
15316 (mark_used_blocks): Ditto.
15317 * tree-ssa-sink.c (execute_sink_code): Ditto.
15318 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15319 (cgraph_early_inlining): Ditto.
15320 * global.c (rest_of_handle_global_alloc): Ditto.
15321 * jump.c (cleanup_barriers): Ditto.
15322 (purge_line_number_notes): Ditto.
15323 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15324 (rest_of_handle_if_after_reload): Ditto.
15325 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15326 (tree_ssa_loop_im): Ditto.
15327 (tree_ssa_loop_unswitch): Ditto.
15328 (tree_vectorize): Ditto.
15329 (tree_linear_transform): Ditto.
15330 (tree_ssa_loop_ivcanon): Ditto.
15331 (tree_ssa_empty_loop): Ditto.
15332 (tree_ssa_loop_bounds): Ditto.
15333 (tree_complete_unroll): Ditto.
15334 (tree_ssa_loop_prefetch): Ditto.
15335 (tree_ssa_loop_ivopts): Ditto.
15336 (tree_ssa_loop_done): Ditto.
15337 * predict.c (tree_estimate_probability): Ditto.
15338 * recog.c (split_all_insns_noflow): Ditto.
15339 (rest_of_handle_peephole2): Ditto.
15340 (rest_of_handle_split_all_insns): Ditto.
15341 * tree-eh.c (lower_eh_constructs): Ditto.
15342 * regmove.c (rest_of_handle_regmove): Ditto.
15343 (rest_of_handle_stack_adjustments): Ditto.
15344 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15345 * function.c (instantiate_virtual_regs): Ditto.
15346 (init_function_for_compilation): Ditto.
15347 (rest_of_handle_check_leaf_regs): Ditto.
15348 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15349 (rest_of_handle_gcse): Ditto.
15350 * ipa-type-escape.c (type_escape_execute): Ditto.
15351 * alias.c (rest_of_handle_cfg): Ditto.
15352 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15353 * profile.c (rest_of_handle_branch_prob): Ditto.
15354 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15355 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15356 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15357 * tree-dfa.c (find_referenced_vars): Ditto.
15358 * except.c (set_nothrow_function_flags): Ditto.
15359 (convert_to_eh_region_ranges): Ditto.
15360 (rest_of_handle_eh): Ditto.
15361 * emit-rtl.c (unshare_all_rtl): Ditto.
15362 (remove_unnecessary_notes): Ditto.
15363 * except.h (set_nothrow_function_flags): Ditto.
15364 (convert_to_eh_region_ranges): Ditto.
15365 * cfgexpand.c (tree_expand_cfg): Ditto.
15366 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15367 * tree-ssa-pre.c (do_pre): Ditto.
15368 (execute_fre): Ditto.
15369 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15370 (rest_of_handle_jump2): Ditto.
15371 * tree-sra.c (tree_sra): Ditto.
15372 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15373 (execute_mudflap_function_decls): Ditto.
15374 * tree-ssa-copy.c (do_copy_prop): Ditto.
15375 (do_store_copy_prop): Ditto.
15376 * ipa-prop.h (ipcp_driver): Ditto.
15377 * cfglayout.c (insn_locators_initialize): Ditto.
15378 * tree-ssa-forwprop.c
15379 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15380 * cfglayout.h (insn_locators_initialize): Ditto.
15381 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15382 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15383 (execute_late_warn_uninitialized): Ditto.
15384 * rtl.h (cleanup_barriers): Ditto.
15385 (split_all_insns_noflow): Ditto.
15386 (purge_line_number_notes): Ditto.
15387 (unshare_all_rtl): Ditto.
15388 (remove_unnecessary_notes): Ditto.
15389 (recompute_reg_usage): Ditto.
15390 (variable_tracking_main): Ditto.
15391 * integrate.c (emit_initial_value_sets): Ditto.
15392 * integrate.h (emit_initial_value_sets): Ditto.
15393 * tree-optimize.c (execute_free_datastructures): Ditto
15394 (execute_free_cfg_annotations): Ditto.
15395 (execute_fixup_cfg): Ditto.
15396 (execute_cleanup_cfg_pre_ipa): Ditto.
15397 (execute_cleanup_cfg_post_optimizing): Ditto.
15398 (execute_init_datastructures): Ditto.
15399 * tree-object-size.c (compute_object_sizes): Ditto.
15400 * combine.c (rest_of_handle_combine): Ditto.
15401 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15402 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15403 (rest_of_handle_reorder_blocks): Ditto.
15404 (rest_of_handle_partition_blocks): Ditto.
15405 * var-tracking.c (variable_tracking_main): Ditto.
15406 * tree-profile.c (tree_profiling): Ditto.
15407 * tree-vect-generic.c (expand_vector_operations): Ditto.
15408 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15409 * sched-rgn.c (rest_of_handle_sched): Ditto.
15410 (rest_of_handle_sched2): Ditto.
15411 * basic-block.h (free_bb_insn): Ditto.
15412 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15413 * tree-cfg.c (execute_build_cfg): Ditto.
15414 (remove_useless_stmts): Ditto.
15415 (split_critical_edges): Ditto.
15416 (execute_warn_function_return): Ditto.
15417 (execute_warn_function_noreturn): Ditto.
15418 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15419 * cfgrtl.c (free_bb_for_insn): Ditto.
15420 * passes.c (execute_one_pass): Run additional
15421 todos returned by execute function.
15422 * tree-pass.h (struct tree_opt_pass): Make execute
15425 2006-03-02 Richard Guenther <rguenther@suse.de>
15427 * tree-ssa-alias.c (find_used_portions): Consider taking
15428 the address as making the variable not write-only.
15430 2006-03-02 Nick Clifton <nickc@redhat.com>
15432 * config.gcc (default_use_cxa_atexit): Extend the description of
15433 this configure variable. Set its default value to "yes" for
15434 Linux, NetBSD and ELF targets on the assumption that they will
15435 use C libraries with the __cxa_atexit function.
15437 2006-03-02 Ben Elliston <bje@au.ibm.com>
15439 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15440 parameter as unused to suppress a build warning.
15442 2006-03-02 Ben Elliston <bje@au.ibm.com>
15444 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15447 2006-03-01 Roger Sayle <roger@eyesopen.com>
15450 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15451 declared name, the weak reference name, and the typeof name.
15452 (__gthrw): Avoid expanding the declared name suffix.
15453 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15455 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15457 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15459 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15460 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15461 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15462 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15463 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15464 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15465 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15466 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15467 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15468 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15469 (DW_END_default, DW_END_big, DW_END_little): New.
15470 (DW_END_lo_user, DW_END_hi_user): Define.
15471 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15472 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15473 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15476 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15478 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15480 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15482 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15484 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15486 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15487 to 'symbol_mem_tag'.
15489 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15492 2006-03-01 Roger Sayle <roger@eyesopen.com>
15494 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15496 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15499 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15500 MACHO_DYNAMIC_NO_PIC_P.
15501 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15503 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15506 * config/darwin-protos.h (darwin_asm_output_anchor):
15508 * config/darwin-sections.def (cstring_section):
15509 Add SECTION_MERGE to the flags.
15510 (literal4_section): Likewise.
15511 (literal8_section): Likewise.
15512 (objc_selector_refs_section): Likewise.
15513 (objc_cls_refs_section): Likewise.
15514 * config/darwin.c (darwin_asm_output_anchor): New
15516 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15518 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15520 Fix PR tree-optimization/26443
15521 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15522 to todo and PROP_tmt_usage to properties_destroyed.
15523 * tree-ssa-ccp.c (pass_ccp): Ditto.
15524 (pass_store_ccp): Ditto.
15525 * tree-ssa-dom.c (pass_dominator): Ditto.
15527 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15529 * tree-ssa-operands.c: Cleanup whitespace.
15530 (get_asm_expr_operands): Move before first invocation.
15531 (get_indirect_ref_operands): Likewise.
15532 (get_tmr_operands): Likewise.
15533 (get_call_expr_operands): Likewise.
15534 (append_def): Likewise.
15535 (append_use): Likewise.
15536 (append_v_may_def): Likewise.
15537 (append_v_must_def): Likewise.
15538 (add_call_clobber_ops): Likewise.
15539 (add_call_read_ops): Likewise.
15540 (add_stmt_operand): Likewise.
15541 (add_virtual_operand): Likewise.
15542 (build_ssa_operands): Likewise.
15544 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15546 PR middle-end/26022
15548 PR middle-end/24437
15549 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15550 with a call expr to ...
15551 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15553 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15555 * tree-vrp.c (extract_range_from_assert): Remove special
15556 handling for types with super-types.
15558 2006-03-01 Ben Elliston <bje@au.ibm.com>
15560 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15561 and powerpc64-*-linux* configurations.
15562 * config/t-dfprules: New file.
15564 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15565 Compile dfp-bit.c from the source directory using -DWIDTH and
15566 $DFP_CFLAGS to control the compilation of that file, rather than
15567 generating width-specific versions in the build directory.
15568 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15569 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15571 2006-02-28 Zack Weinberg <zackw@panix.com>
15573 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15576 2006-02-28 Eric Christopher <echristo@apple.com>
15578 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15579 Set up IN_LIBGCC definition of TARGET_64BIT.
15580 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15582 2006-02-28 Roger Sayle <roger@eyesopen.com>
15584 PR middle-end/14752
15585 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15586 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15587 cases via the construction of "expr != 0".
15589 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15591 * alias.c (alias_invariant, alias_invariant_size): Remove.
15592 (record_base_value): Remove.
15593 (memrefs_conflict_p): Don't look at alias_invariant.
15594 (end_alias_analysis): Don't free it.
15595 * alias.h (record_base_value): Remove prototype.
15597 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15598 Adam Nemet <anemet@caviumnetworks.com>
15600 * rtl.h (truncated_to_mode): Declare it.
15601 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15602 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15603 (RTL_HOOKS_INITIALIZER): Include it.
15604 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15605 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15606 reg_truncated_to_mode.
15607 * rtlanal.c (truncated_to_mode): Define it.
15608 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15610 2006-02-28 Jeff Law <law@redhat.com>
15612 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15613 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15614 the range allowed by TYPE_PRECISION.
15616 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15618 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15620 PR tree-optimization/26419
15621 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15624 2006-02-27 Zack Weinberg <zackw@panix.com>
15626 * doc/md.texi: Fix typo in previous change.
15628 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15632 2006-02-27 Zack Weinberg <zackw@panix.com>
15634 * rtl.def (define_constraint, define_register_constraint)
15635 (define_memory_constraint, define_address_constraint): New MD forms.
15636 * gensupport.c (process_rtx): Put define_constraint etc on the
15638 * genpreds.c (process_define_predicate): Adjust comment. Validate
15639 the name, and call validate_exp to validate the expression.
15640 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15641 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15642 all callers changed.
15643 (validate_exp, needs_variable, struct constraint_data)
15644 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15645 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15646 (const_dbl_constraints, constraint_max_namelen)
15647 (have_register_constraints, have_memory_constraints)
15648 (have_address_constraints, have_address_constraints)
15649 (have_extra_constraints, have_const_int_constraints)
15650 (have_const_dbl_constraints, mangle, add_constraint)
15651 (process_define_constraint, process_define_register_constraint)
15652 (write_enum_constraint_num, write_lookup_constraint)
15653 (write_insn_constraint_len, write_regclass_for_constraint)
15654 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15655 (write_insn_extra_memory_constraint)
15656 (write_insn_extra_address_constraint)
15657 (write_satisfies_constraint_fns): New.
15658 (write_tm_preds_h): If we have new-style constraint definitions,
15659 prototype the functions generated from them, and define the
15660 old constraint interface (still used by generic code) in terms of
15662 (write_insn_preds_c): If we have new-style constraint definitions,
15663 generate all relevant functions from those definitions.
15664 (main): Handle define_constraint etc.
15665 * genoutput.c (struct constraint_data, indep_constraints)
15666 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15667 (mdep_constraint_len): New data structures and functions, defined
15668 #ifdef USE_MD_CONSTRAINTS.
15669 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15670 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15671 use new logic to validate operand constraints against constraint
15673 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15675 * defaults.h: If none of the old-style constraint macros are
15676 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15677 old-style macros; and poison REG_CLASS_FROM_LETTER,
15678 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15680 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15681 * doc/md.texi: Document new constraint-definition mechanism and the
15682 C interface it provides. Remove references to old mechanism
15683 elsewhere in the document.
15684 (Machine Constraints): Use pathnames relative to gcc directory,
15685 i.e. config/ARCH/FILE. Change i386 section to refer to
15686 config/i386/predicates.md; update that section to match docstrings.
15687 * doc/tm.texi: Move all documentation of the old constraint-
15688 definition macros to their own section, clearly mark as obsolete.
15690 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15691 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15693 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15694 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15695 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15696 constraint strings.
15697 (splits and peepholes): Use satisfies_constraint_*.
15698 * config/i386/i386.c (memory_address_length)
15699 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15701 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15703 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15704 scalar operation to be put back into the loop.
15706 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15709 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15710 (extract_cie_info): Handle S flag in augmentation string.
15711 (execute_cfa_program): If context->signal_frame, execute also
15712 fs->pc == context->ra instructions.
15713 (uw_frame_state_for): If context->signal_frame, don't subtract one
15714 from context->ra to find FDE.
15715 (uw_update_context_1): Set context->signal_frame to
15717 (_Unwind_GetIPInfo): New function.
15718 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15719 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15721 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15722 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15723 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15724 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15725 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15726 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15727 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15728 x86_64_fallback_frame_state): Set fs->signal_frame.
15729 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15730 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15731 (frob_update_context): Likewise. Workaround missing S flag in
15732 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15733 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15734 Remove the psw_addr + 1 hack.
15736 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15738 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15739 with aggregates here.
15740 (find_func_aliases): Remove code for &<aggregate> from here.
15742 2006-02-26 Roger Sayle <roger@eyesopen.com>
15744 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15745 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15746 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15747 as (X & C) ne/eq 0.
15749 2006-02-26 Roger Sayle <roger@eyesopen.com>
15751 PR middle-end/19983
15752 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15754 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15756 * opts.c (decode_options): Do not handle flag_strength_reduce.
15757 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15758 and OPT_fstrength_reduce.
15759 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15760 flag_prefetch_loop_arrays for being nonzero.
15761 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15763 (fprefetch-loop-arrays-rtl): Removed.
15764 (flag_prefetch_loop_arrays): Do not specify the value.
15766 * doc/passes.texi: Update documentation of loop optimizer
15768 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15769 -frerun-loop-opt): Remove.
15771 2006-02-26 Richard Guenther <rguenther@suse.de>
15773 PR tree-optimization/26421
15774 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15775 in function calls that are ADDR_EXPRs as using the whole structure.
15777 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15779 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15780 * tree-pass.h (pass_loop_optimize): Remove.
15781 * passes.c (pass_loop_optimize): Never run it.
15782 * toplev.c (backend_init): Don't call init_loop.
15783 * opts.c (flag_loop_optimize_set): Remove.
15784 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15785 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15786 the old RTL loop optimizer when profiling enabled.
15787 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15788 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15789 pre-headers for the sake of the old RTL loop optimizer.
15790 * Makefile.in: Remove all references to loop.o.
15792 * doc/invoke.texi: Remove all references to -floop-optimize
15793 and -frerun-loop-opt.
15795 2006-02-26 Zack Weinberg <zackw@panix.com>
15797 * doc/md.texi (Machine Constraints): Refer to all files with paths
15798 relative to gcc directory (i.e. config/CPU/file). Add missing
15799 @table @code ... @end table to M32C subsection.
15801 2006-02-26 Roger Sayle <roger@eyesopen.com>
15803 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15805 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15807 2006-02-26 Roger Sayle <roger@eyesopen.com>
15808 James A. Morrison <phython@gcc.gnu.org>
15810 PR middle-end/21137
15811 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15812 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15813 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15814 signedness of the shift operation.
15816 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15818 PR tree-optimization/26359
15819 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15821 2006-02-25 Roger Sayle <roger@eyesopen.com>
15823 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15824 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15825 as X == 0, and some symmetry related transformations.
15826 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15828 2006-02-25 Roger Sayle <roger@eyesopen.com>
15830 PR middle-end/23673
15831 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15832 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15833 symmetry related transformations. Fold (X^C1) == C2 as
15836 2006-02-25 Juergen Weigert <jw@suse.de>
15837 Richard Guenther <rguenther@suse.de>
15839 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15841 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15843 * combine.c (gen_lowpart_or_truncate): Call
15844 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15846 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15848 * doc/invoke.texi: Move -fopenmp description to "Options for
15850 Remove reference to -lgomp.
15852 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15854 * doc/install.texi: Require GNU tar version 1.14.
15856 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15858 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15859 * doc/invoke.texi (C++ Dialect Options): Document
15860 -fno-use-cxa-get-exception-ptr.
15861 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15862 * configure: Regenerate.
15863 * c.opt (fuse-cxa-get-exception-ptr): New.
15864 * c-opts.c (c_common_handle_option): Handle
15865 OPT_fuse_cxa_get_exception_ptr.
15866 * c-common.c (flag_use_cxa_atexit): Update documentation.
15867 (flag_use_cxa_get_exception_ptr): New.
15868 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15869 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15871 (C_COMMON_OVERRIDE_OPTIONS): New.
15873 2006-02-24 Roger Sayle <roger@eyesopen.com>
15875 PR middle-end/24952
15876 * combine.c (try_combine): Explicitly check whether GET_CODE is
15877 a SET or a CLOBBER, instead on checking that it isn't a USE.
15879 2006-02-24 Roger Sayle <roger@eyesopen.com>
15881 * fold-const.c (fold_comparison): New subroutine of fold_binary
15882 containing transformations common to both the equality and
15883 ordering relational operators, factored out of fold_binary.
15884 (fold_binary): Separate out the equality operators (EQ_EXPR
15885 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15886 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15887 transformations common to both.
15888 (fold_div_compare): Fix latent bugs in the previously unreachable
15889 LT_EXPR and GE_EXPR cases.
15891 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15893 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15894 decl libname for clog to __clog on AIX.
15896 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15898 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15901 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15902 output traceback table for thunks. Localise rs6000_stack_info call.
15904 2006-02-23 Roger Sayle <roger@eyesopen.com>
15905 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15907 * gthr-posix.h (__gthrw): Fix typo in comment.
15909 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15911 * doc/cpp.texi (Character sets): Document that we do support
15912 input files to be in any character set.
15914 2006-02-23 Jeff Law <law@redhat.com>
15916 * tree.h (PHI_ARG_NONZERO): Remove.
15917 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15918 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15919 node to the new node.
15921 PR tree-optimization/26425
15922 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15923 min/max, then assume its varying.
15925 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15927 PR rtl-optimization/26316
15928 * rtlanal.c (enum may_trap_p_flags): New.
15929 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15930 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15931 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15932 (may_trap_after_code_motion_p): New function.
15933 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15934 (find_invariant_insn): Use may_trap_after_code_motion_p.
15935 * rtl.h (may_trap_after_code_motion_p): Declare.
15937 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15939 * emit-rtl.c (immed_double_const): Cleanup.
15941 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15943 Fix PR tree-optimization/26376
15944 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15947 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15949 PR middle-end/26412
15950 * gimplify.c (omp_add_variable): Guard variable size decl test with
15951 DECL_SIZE (decl) check.
15953 2006-02-23 Richard Guenther <rguenther@suse.de>
15955 PR middle-end/26439
15956 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15957 like aggregate types.
15959 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15961 * configure.ac: Add --with{,out}-long-double-128 configure option.
15962 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15963 * configure: Rebuilt.
15964 * config.in: Rebuilt.
15965 * doc/install.texi (Options specification): Document
15966 --with-long-double-128.
15968 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15969 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15970 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15971 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15973 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15975 * config/s390/s390.c (override_options): Handle
15976 TARGET_DEFAULT_LONG_DOUBLE_128.
15978 * config/alpha/alpha.c (override_options): Handle
15979 TARGET_DEFAULT_LONG_DOUBLE_128.
15981 * config/sparc/sparc.c (sparc_override_options): Handle
15982 TARGET_DEFAULT_LONG_DOUBLE_128.
15984 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15986 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15987 (real-install-headers-tar, real-install-headers-cpio)
15988 (real-install-headers-cp): New targets.
15990 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15992 * tree.h (variable_section): Delete.
15993 * varasm.c (variable_section): Delete.
15995 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15997 * install.texi: Add notes on install.texi2html.
15998 (Building in parallel): Do not use footnotes.
16000 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16003 * doc/install.texi (Configuration): Document --disable-libgomp.
16005 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16007 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16009 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16011 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16012 (vec_extractv2df_0_sse): New.
16014 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16016 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16017 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16018 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16019 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16020 to the result of the expression.
16021 (def_cfa_1): Adjust.
16022 (frame_pointer_cfa_offset): Rename to...
16023 (frame_pointer_fb_offset): ... this. Adjust all uses.
16024 (convert_cfa_to_loc_list): Rename to...
16025 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16026 Pass it on to build_cfa_loc.
16027 (compute_frame_pointer_to_cfa_displacement): Rename to...
16028 (compute_frame_pointer_to_fb_displacement): ... this. New
16029 offset parameter. Use it in computation.
16030 (gen_subprogram_die): Compute cfa_fb_offset with the new
16031 macro, and use it to compute the fb loc list and the
16034 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16036 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16037 replaced with register_operand.
16038 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16039 non-DREG is expensive.
16040 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16041 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16044 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16046 * doc/install.texi2html: Use set -e.
16048 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16050 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16051 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16052 * doc/invoke.texi (-fshared-data): Delete.
16053 * common.opt (fshared-data): Delete.
16054 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16055 (assemble_static_space): Remove #if 0 code.
16056 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16057 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16058 * config/cris/cris.h: Remove FIXME.
16060 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16062 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16065 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16067 PR middle-end/26379
16068 * combine.c (simplify_shift_const_1): Disable nested shifts
16069 optimization for vector shifts.
16071 2006-02-20 Roger Sayle <roger@eyesopen.com>
16073 PR tree-optimization/26361
16074 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16075 of unsigned integer types.
16077 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16079 * tree-chrec.c (eq_evolutions_p): New.
16080 * tree-chrec.h (eq_evolutions_p): Declared.
16081 * tree-data-ref.c: Fix formatting.
16082 (datadep_stats, dependence_stats): New.
16084 (print_direction_vector): New.
16085 (dump_data_dependence_relation): Use print_direction_vector.
16086 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16087 (compute_subscript_distance): Static.
16088 (initialize_data_dependence_relation): Static. Get the number
16089 of loops surrounding the references from the callers, and initialize
16090 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16091 base_object_differ_p analyzers.
16092 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16093 compute_overlap_steps_for_affine_1_2,
16094 analyze_subscript_affine_affine): Count the classified dependences.
16095 Print a message when a test failed.
16096 (can_use_analyze_subscript_affine_affine): New.
16097 (analyze_siv_subscript): Compute the data dependences on symbolic
16098 scevs that verify can_use_analyze_subscript_affine_affine.
16099 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16100 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16101 Handle symbolic scevs.
16102 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16104 (subscript_dependence_tester): Moved...
16105 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16106 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16107 DDR_SIZE_VECT instead of getting it in parameter.
16108 (subscript_dependence_tester): ... here. Take as a parameter
16109 loop_nest_depth. Call build_classic_dist_vector and
16110 build_classic_dir_vector.
16111 (compute_affine_dependence): Update subscript_dependence_tester
16112 parameters. Update datadep_stats counters. Call
16113 compute_subscript_distance.
16114 (compute_self_dependence): Save the dist and dir vectors. Call
16115 compute_subscript_distance.
16116 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16117 (compute_all_dependences): Reorder parameters as they were before
16118 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16119 compute_subscript_distance. Update the use of
16120 compute_affine_dependence and initialize_data_dependence_relation.
16121 (find_data_references_in_loop): Handle COMPONENT_REF.
16122 (compute_data_dependences_for_loop): Initialize dependence_stats.
16123 Don't call build_classic_dist_vector and build_classic_dir_vector.
16124 Update the parameters of initialize_data_dependence_relation and
16125 compute_all_dependences. Print the statistics from datadep_stats.
16126 (analyze_all_data_dependences): Static. Not used until the pass for
16127 checking the data dependences is contributed.
16128 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16129 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16130 (initialize_data_dependence_relation, compute_affine_dependence,
16131 analyze_all_data_dependences, compute_subscript_distance): Removed.
16132 (print_direction_vector): New.
16133 * lambda.h (gcd): ... here.
16134 (lambda_vector_gcd): Moved here from gcd_vector.
16135 * lambda-code.c (gcd, gcd_vector): Removed.
16136 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16137 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16139 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16141 * ipa-type-escape.c: Tidy some comments and white space.
16142 * tree-ssa-operands.c: Likewise.
16144 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16147 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16148 (dump_decl_name): Do not walk the decl tree chains.
16149 * tree-pass.h (TDF_CHAIN): Remove.
16151 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16153 * Makefile.in (C): Remove
16155 (.PHONY): Remove C and PROTO
16157 2006-02-20 Roger Sayle <roger@eyesopen.com>
16159 PR middle-end/26236
16160 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16161 deprecated CHAR_TYPE tree code.
16163 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16165 * configure.ac (target_list): Add install-info, dvi, html.
16166 * configure: Regenerate.
16168 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16169 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16170 treelang/Make-lang.in: Do not use double-colon rules.
16172 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16174 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16175 (TMT_USED_ALONE): New macro.
16176 * tree-pass.h (PROP_tmt_usage): New property.
16177 (TODO_update_tmt_usage): New todo.
16178 * tree-ssa-alias.c (updating_used_alone): New variable.
16179 (recalculate_used_alone): New function.
16180 (compute_may_aliases): Set updating_used_alone, call
16181 recalculate_used_alone.
16182 * tree-sra.c (pass_sra): Note that this pass destroys
16183 PROP_tmt_usage, and add TODO_update_tmt_usage.
16184 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16185 * tree-flow.h (updating_used_alone): Prototype.
16186 (recalculate_used_alone): Ditto.
16187 * passes.c (execute_todo): Add code to set updating_used_alone,
16188 and call recalculate.
16189 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16190 for clobber if used alone, and add assert to verify used_alone
16193 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16195 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16196 for non tls symbols added.
16197 (legitimize_address): Do nothing for PLUS expressions if one of the
16198 addends is a tls symbol reference.
16200 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16204 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16206 * Makefile.in (BOOTSTRAPPING): New.
16207 (quickstrap): New definition if BOOTSTRAPPING=yes.
16209 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16210 * configure.ac: Substitute all_selected_languages with the languages
16211 that were configured. For all the other variables except
16212 lang_specs_files, include all the languages in the tree.
16213 * configure: Regenerate.
16215 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16216 if there is one. Run the commands to run fixincludes in the same
16219 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16220 * doc/install.texi: Document exact conventions for searching target tools.
16221 Document --with-build-time-tools. Document toplevel bootstrap. Document
16222 something more about building an Ada cross-compiler. Don't list GNU Make
16223 requirements which affect all platforms.
16225 2006-02-19 Roger Sayle <roger@eyesopen.com>
16227 PR middle-end/19543
16228 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16229 only equivalent if the have both the same mode and precision.
16231 2006-02-20 Ben Elliston <bje@au.ibm.com>
16233 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16235 2006-02-19 Roger Sayle <roger@eyesopen.com>
16236 Steven Bosscher <stevenb.gcc@gmail.com>
16238 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16239 constant pool references to identify stack mode constants.
16240 * rtlanal.c (constant_pool_constant_p): New predicate to check
16241 whether operand is a floating point constant in the pool.
16242 * rtl.h (constant_pool_constant_p): Prototype here.
16243 * loop.c (scan_loop): Avoid hoisting constants from the constant
16244 pool on STACK_REGS targets.
16245 (load_mems): Likewise.
16246 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16247 loads into x87 registers expensive in terms of register pressure.
16249 2006-02-19 Roger Sayle <roger@eyesopen.com>
16251 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16252 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16254 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16256 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16257 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16259 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16261 * doc/invoke.texi: Document -fipa-pta.
16262 * common.opt: Add ipa-pta option.
16263 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16264 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16265 (do_ds_constraint): Ditto.
16266 (get_constraint_for): Only add to referenced_vars if
16267 referenced_vars exists.
16268 (insert_into_field_list): Rewrite to do this unsorted.
16269 (insert_into_field_list_sorted): Rename old insert_into_field_list
16271 (create_function_info_for): Use insert_into_field_list_sorted.
16272 (create_variable_info_for): Rewrite so it uses unsorted version,
16273 since the field list is sorted.
16274 (intra_create_variable_infos): Only add to referenced_vars if
16275 referenced_vars exists.
16276 (ipa_pta_execute): Init heapvars, and delete when done.
16277 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16279 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16281 * doc/install.texi: Add missing `@samp'.
16283 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16285 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16288 2006-02-18 Mark Wielaard <mark@klomp.org>
16290 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16291 who added new 4.1 features, bug fixes and integration support.
16293 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16296 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16297 MEM for ABI_V4 pic.
16299 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16301 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16302 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16303 (copy_insn_1): Likewise. Don't copy each field individually.
16305 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16307 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16308 * rtl.c (rtx_size): Rename variable to...
16309 (rtx_code_size): ...this.
16310 (rtx_size): New function.
16311 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16312 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16314 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16315 * rtl.h (rtx_code_size): New variable.
16316 (rtx_size): Change from a variable to a function.
16317 (RTX_SIZE): Rename to...
16318 (RTX_CODE_SIZE): ...this.
16321 PR tree-optimization/17106
16322 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16323 (Anchored Addresses): New section.
16324 * doc/invoke.texi (-fsection-anchors): Document.
16325 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16326 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16327 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16328 * hooks.c (hook_bool_mode_rtx_false): New function.
16329 * hooks.h (hook_bool_mode_rtx_false): Declare.
16330 * gengtype.c (create_optional_field): New function.
16331 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16332 SYMBOL_REF_IN_BLOCK_P is true.
16333 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16334 (min_anchor_offset, max_anchor_offset): Likewise.
16335 (use_anchors_for_symbol_p): New hook.
16336 * toplev.c (compile_file): Call output_object_blocks.
16337 (target_supports_section_anchors_p): New function.
16338 (process_options): Check that -fsection-anchors is only used on
16339 targets that support it and when -funit-at-a-time is in effect.
16340 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16341 if the decl doesn't have one.
16342 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16343 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16344 of force_const_mem through use_anchored_address.
16345 (expand_expr_constant): New function.
16346 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16347 calling expand_expr for INDIRECT_REF.
16348 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16349 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16350 * expr.h (use_anchored_address): Declare.
16351 * loop-unroll.c: Don't declare rtx vectors here.
16352 * explow.c: Include output.h.
16353 (validize_mem): Call use_anchored_address.
16354 (use_anchored_address): New function.
16355 * common.opt (-fsection-anchors): New switch.
16356 * varasm.c (object_block_htab, anchor_labelno): New variables.
16357 (hash_section, object_block_entry_eq, object_block_entry_hash)
16358 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16359 (use_blocks_for_decl_p, change_symbol_section): New functions.
16360 (get_variable_section): New function, split out from assemble_variable.
16361 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16362 use_blocks_for_decl_p say so. Use change_symbol_section if the
16363 symbol has already been created.
16364 (assemble_variable_contents): New function, split out from...
16365 (assemble_variable): ...here. Don't output any code for
16366 block symbols; just pass them to place_block_symbol.
16367 Use get_variable_section and assemble_variable_contents.
16368 (get_constant_alignment, get_constant_section, get_constant_size): New
16369 functions, split from output_constant_def_contents.
16370 (build_constant_desc): Create a block symbol if use_object_blocks_p
16371 says so. Or into SYMBOL_REF_FLAGS.
16372 (assemble_constant_contents): New function, split from...
16373 (output_constant_def_contents): ...here. Don't output any code
16374 for block symbols; just pass them to place_section_symbol.
16375 Use get_constant_section and get_constant_alignment.
16376 (force_const_mem): Create a block symbol if use_object_blocks_p and
16377 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16378 (output_constant_pool_1): Add an explicit alignment argument.
16379 Don't switch sections here.
16380 (output_constant_pool): Adjust call to output_constant_pool_1.
16381 Switch sections here instead. Don't output anything for block symbols;
16382 just pass them to place_block_symbol.
16383 (init_varasm_once): Initialize object_block_htab.
16384 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16385 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16386 (place_block_symbol, get_section_anchor, output_object_block)
16387 (output_object_block_htab, output_object_blocks): New functions.
16388 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16389 (TARGET_ASM_OUT): Include it.
16390 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16391 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16392 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16393 (TARGET_INITIALIZER): Include them.
16394 * rtl.c (rtl_check_failed_block_symbol): New function.
16395 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16396 (block_symbol, object_block): New structures.
16397 (rtx_def): Add a block_symbol field to the union.
16398 (BLOCK_SYMBOL_CHECK): New macro.
16399 (rtl_check_failed_block_symbol): Declare.
16400 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16401 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16402 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16403 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16404 * output.h (output_section_symbols): Declare.
16405 (object_block): Name structure.
16406 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16407 (default_use_anchors_for_symbol_p): Declare.
16408 * Makefile.in (RTL_BASE_H): Add vec.h.
16409 (explow.o): Depend on output.h.
16410 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16411 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16412 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16413 (rs6000_use_blocks_for_constant_p): New function.
16415 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16417 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16419 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16422 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16425 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16427 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16431 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16433 PR middle-end/26334
16434 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16435 instead of DECL_REGISTER.
16437 2006-02-18 Olivier Hainque <hainque@adacore.com>
16440 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16442 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16445 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16446 * opth-gen.awk: Handle Var and InverseMask together.
16447 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16448 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16449 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16450 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16452 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16453 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16454 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16455 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16456 LINUX_DYNAMIC_LINKER): Define.
16457 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16458 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16460 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16461 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16462 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16464 (TARGET_C99_FUNCTIONS): Don't define.
16465 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16466 GLIBC_DYNAMIC_LINKER.
16467 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16468 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16469 GLIBC_DYNAMIC_LINKER64): Define.
16470 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16471 LINUX_DYNAMIC_LINKER64.
16472 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16473 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16474 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16475 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16476 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16477 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16478 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16479 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16480 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16482 and LINUX_DYNAMIC_LINKER32.
16483 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16485 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16487 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16489 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16490 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16491 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16492 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16493 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16494 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16495 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16496 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16497 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16498 LINUX_DYNAMIC_LINKER): Define.
16499 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16500 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16501 GLIBC_DYNAMIC_LINKER64): Define.
16502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16503 LINUX_DYNAMIC_LINKER64.
16504 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16505 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16506 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16507 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16508 LINUX_DYNAMIC_LINKER): Define.
16509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16510 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16511 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16512 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16513 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16514 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16515 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16516 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16517 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16518 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16520 * doc/invoke.texi (-muclibc): Remove caveat about supported
16523 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16525 * doc/cpp.texi (__TIMESTAMP__): Document.
16527 2006-02-17 Roger Sayle <roger@eyesopen.com>
16529 PR middle-end/25600
16530 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16531 C is one less than the width of X (and related transformations).
16532 * simplify-rtx.c (simplify_unary_operation_1): Transform
16533 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16534 depending on STORE_FLAG_VALUE, were C is one less then the
16537 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16539 Fix PR tree-optimization/26341
16540 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16541 about NAME_MEMORY_TAG's.
16543 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16546 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16547 with hardware float support, and software float support. Add fcpy
16548 alternative to hardware patterns. Add alternatives to copy between
16549 general and floating-point registers to the 32-bit pattern.
16550 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16551 secondary reload to load a QI or HI mode constant into a floating
16553 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16554 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16556 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16559 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16561 (load_macho_picbase_di): Likewise.
16563 2006-02-16 Jeff Law <law@redhat.com>
16565 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16566 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16567 (ssa_name_nonzero_p): Likewise.
16568 (get_value_range): Return NULL if VRP is not running.
16569 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16570 VRP routines do not discover a range.
16571 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16572 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16573 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16574 (tree_expr_nonnegative_p): Similarly.
16575 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16576 (restore_nonzero_vars_to_original_value): Remove.
16577 (unsafe_associative_fp_binop): Remove.
16578 (tree_ssa_dominator_optimize): Remove initialization and
16579 finalization of nonzero_vars and nonzero_vars_stack.
16580 (dom_opt_initialize_block): No longer push marker on
16581 nonzero_vars_stack.
16582 (dom_opt_finalize_block): No longer call
16583 restore_nonzero_vars_to_original_value.
16584 (record_equivalences_from_phis): No longer look for
16585 nonzero PHI arguments.
16586 (cprop_into_successor_phis): No longer propagate nonzero
16587 property into PHI arguments. Lose unused argument. Caller
16589 (record_equivalences_from_stmt): No longer record nonzero
16590 values for SSA_NAMEs.
16591 (lookup_avail_expr): No longer use nonzero_vars.
16593 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16594 for sizetype when sizetype is unsigned.
16596 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16598 PR rtl-optimization/25603
16599 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16600 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16601 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16602 with new meaning of SETS.
16604 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16609 * config/linux.opt: New file.
16610 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16611 LINUX_DYNAMIC_LINKER): Define.
16612 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16613 * config.gcc (*-*-linux*): Define extra_options.
16614 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16615 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16616 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16617 GLIBC_DYNAMIC_LINKER.
16618 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16619 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16620 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16621 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16622 * doc/invoke.texi (GNU/Linux Options): New section.
16624 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16626 * config/sparc/sparc.md (setjmp): Rewrite.
16627 (setjmp_32): Delete.
16628 (setjmp_64): Likewise.
16630 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16632 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16635 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16637 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16640 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16642 PR rtl-optimization/26296
16643 * Makefile.in (loop-invariant.c): Add except.h dependency.
16644 * loop-invariant.c: Include except.h.
16645 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16647 2005-02-16 Paul Brook <paul@codesourcery.com>
16649 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16652 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16654 PR rtl-optimization/25636
16655 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16656 when deciding whether an insn is an initializing insn.
16658 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16660 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16661 (tree_code_size): Ditto.
16662 * tree.h (struct tree_memory_tag): Remove parent_var.
16663 (struct tree_struct_field_tag): New.
16666 (union tree_node): Add sft member.
16667 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16669 (create_sft): Add size and offset argument, set SFT_OFFSET and
16671 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16672 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16673 * tree-flow-inline.h (get_subvar_at): Update for
16674 SFT_OFFSET/SFT_SIZE.
16675 (var_can_have_subvars): Ditto.
16676 (overlap_subvar): Ditto.
16677 * print-tree.c (print_node): Print out interesting things for
16679 * tree-flow.h (struct subvar): Remove offset and size members.
16680 * tree-ssa-operands.c (get_expr_operands): Update for
16681 get_indirect_ref_operands changes.
16682 (get_indirect_ref_operands): Call add_virtual_operand instead of
16683 add_stmt_operand. Only recurse on base var if requested.
16684 (access_can_touch_variable): New function.
16685 (add_stmt_operand): Split virtual operand handling into ...
16686 (add_virtual_operand): Here. Add offset, size, and for_clobber
16687 arguments. Prune alias sets.
16688 (add_call_clobber_ops): Call add_virtual_operand.
16690 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16692 PR middle-end/26300
16693 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16695 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16696 than TREE_CODE as index into omp_clause_num_ops array.
16698 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16700 PR rtl-optimization/26184
16701 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16703 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16704 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16705 must_precede, must_follow and tobe_scheduled.
16708 * opts.c (common_handle_option): Free new_option pointer.
16709 * df-core.c (df_analyze): Free postorder pointer.
16711 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16713 * Makefile.in: Fix the examples about the use of stamps
16715 2006-02-15 Michael Matz <matz@suse.de>
16717 PR middle-end/22275
16719 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16720 influenced by maximum_field_alignment or DECL_PACKED.
16721 (update_alignment_for_field): Ditto.
16722 (place_field): Ditto.
16723 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16726 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16728 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16729 (debug_flow_info): Pass it.
16730 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16731 * bb-reorder.c (reorder_basic_blocks): Likewise.
16732 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16733 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16734 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16735 * gcse.c (gcse_main, bypass_jumps): Likewise.
16736 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16737 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16738 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16739 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16740 * rtl.h (dump_flow_info): Adjust prototype.
16741 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16742 * var-tracking.c (variable_tracking_main): Likewise.
16743 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16744 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16747 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16749 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16752 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16754 PR tree-optimization/26209
16755 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16756 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16758 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16760 2006-02-14 Roger Sayle <roger@eyesopen.com>
16762 PR middle-end/23670
16763 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16764 (X,Y) and the corresponding symmetry related transformations.
16765 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16766 (X,Y) and its symmetry related transformations.
16768 2006-02-14 Roger Sayle <roger@eyesopen.com>
16770 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16773 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16775 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16777 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16780 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16781 support COMDAT group.
16782 * configure: Regenerate.
16784 2006-02-14 Roger Sayle <roger@eyesopen.com>
16786 PR middle-end/26279
16787 PR middle-end/26280
16788 PR middle-end/26283
16789 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16791 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16793 Fix PR tree-optimization/26260
16795 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16797 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16798 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16799 * tree-ssa-structalias.c (create_variable_info_for): Use
16800 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16802 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16804 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16806 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16807 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16808 of the ending condition.
16809 * tree-ssa-loop-manip.c: Include params.h.
16810 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16811 tree_unroll_loop): New functions.
16812 * tree-pass.h (pass_loop_prefetch): Declare.
16813 * loop.c (rest_of_handle_loop_optimize): Test for
16814 -fprefetch-loop-arrays-rtl.
16815 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16816 * timevar.def (TV_TREE_PREFETCH): New timevar.
16817 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16818 pass_loop_prefetch): New.
16819 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16820 (cleanup_tree_cfg_loop): Call scev_reset.
16821 * common.opt (fprefetch-loop-arrays-rtl): Add.
16822 * tree-ssa-loop-prefetch.c: New file.
16823 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16824 (new_temp_expr_table): Initialize expr_vars.
16825 (free_temp_expr_table): Cleanup expr_vars.
16826 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16827 expressions from being merged into one.
16828 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16829 (struct tree_niter_desc): Add control, bound and cmp fields.
16830 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16832 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16833 (tree-cfgcleanup.o): Add SCEV_H dependency.
16834 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16835 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16837 2006-02-14 Richard Guenther <rguenther@suse.de>
16839 PR tree-optimization/26258
16840 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16841 in PHI argument processing.
16843 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16845 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16846 new expression in the requested machine mode.
16848 2006-02-13 Roger Sayle <roger@eyesopen.com>
16850 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16851 directly, instead let do_compare_rtx_and_jump handle this for us.
16852 * expr.c (expand_expr_real_1): Likewise.
16853 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16854 before do_jump_by_parts_greater.
16855 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16856 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16858 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16860 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16862 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16864 PR rtl-optimization/26235
16865 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16866 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16869 2006-02-13 Jeff Law <law@redhat.com>
16871 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16874 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16876 PR middle-end/26092
16877 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16878 twice if decl is a builtin. When trying again, call get_callee_fndecl
16879 first to verify it is still a builtin.
16881 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16883 * dwarf2out.c (base_type_die): Don't add AT_name here.
16884 (subrange_type_die): Don't add AT_name here.
16885 (modified_type_die): Rearrange code flow. Do add AT_name here.
16887 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16889 PR rtl-optimization/26247
16890 PR rtl-optimization/26248
16891 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16893 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16895 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16896 * config/fixtfdi.c: Likewise.
16897 * config/fixunstfdi.c: Likewise.
16898 * config/floatditf.c: Likewise.
16900 2006-02-13 Roger Sayle <roger@eyesopen.com>
16902 PR middle-end/24427
16903 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16904 into (X,C2) if C1 is a subset of the bits of C2. Transform
16905 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16907 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16909 2006-02-13 Josh Conner <jconner@apple.com>
16912 * varasm.c (function_section): Check for section name before
16913 calling select_section on targets that define
16914 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16915 unlikely_text_section instead of hot_function_section if
16916 first_function_block_is_cold.
16918 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16920 PR middle-end/25335
16921 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16923 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16925 PR rtl-optimization/26222
16926 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16927 after tree->rtl expansion.
16928 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16929 before passing it to emit_move_insn.
16931 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16933 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16935 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16936 Clarify documentation.
16937 * c-common.h (warn_write_strings): Remove.
16938 * c-common.c (warn_write_strings): Likewise.
16939 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16942 2006-02-12 Roger Sayle <roger@eyesopen.com>
16944 PR middle-end/25724
16945 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16946 (do_jump_parts_zero_rtx): New function renamed from
16947 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16948 (do_jump_parts_equality_rtx): New function split out from
16949 do_jump_parts_equality. Old implementation renamed as above.
16950 Call do_jump_parts_zero_rtx if either operand is zero.
16951 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16952 do all of the heavy lifting.
16953 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16954 calling either do_jump_by_parts_greater_rtx or
16955 do_jump_by_parts_equality_rtx.
16956 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16957 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16958 moved to do_compare_rtx_and_jump, call it directly.
16959 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16960 mode argument. Call do_compare_rtx_and_jump.
16961 (emit_case_nodes): Update calls to do_jump_if_equal.
16963 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16965 PR rtl-optimization/26225
16966 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16968 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16970 PR rtl-optimization/26232
16971 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16973 2006-02-11 Jason Merrill <jason@redhat.com>
16976 * tree-inline.c (declare_return_variable): Just don't use the
16977 modify target if it's a gimple complex reg and the return slot
16980 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16982 * doc/contrib.texi: Update my entry.
16984 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16986 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16988 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16990 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16993 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16995 * doc/invoke.texi (-floop-optimize2): Removed.
16996 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16997 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16998 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16999 * common.opt (floop-optimize2): Removed.
17000 (fmove-loop-invariants): Enabled by default.
17002 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17004 * tree-if-conv.c (combine_blocks): Free the result of
17005 get_loop_exit_edges.
17007 2006-02-10 Jeff Law <law@redhat.com>
17009 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17011 PR tree-optimization/26213
17012 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17013 loop trying to follow SSA_NAME_VALUE chains.
17015 2006-02-10 Richard Guenther <rguenther@suse.de>
17017 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17018 deal with structures that end in implicitly variable sized arrays.
17020 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17022 PR rtl-optimization/24762
17023 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17026 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17028 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17029 (struct ivopts_data): Add regs_used field.
17030 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17031 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17032 instead of loop_data->regs_used;
17033 (free_loop_data): Do not free aux fields for loops.
17034 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17035 and tree_ssa_iv_optimize_finalize.
17037 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17039 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17041 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17044 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17045 computing the effective result type.
17047 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17049 PR inline-asm/16194
17050 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17051 (tree_overlaps_hard_reg_set): Declare.
17052 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17053 type and signature to match function type expected by walk_tree.
17054 (tree_overlaps_hard_reg_set): New function.
17055 (decl_conflicts_with_clobbers_p): Rename to:
17056 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17057 Use tree_overlaps_hard_reg_set. Changed caller.
17058 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17059 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17060 * cris.c (cris_md_asm_clobbers): Likewise.
17062 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17064 * reload1.c (emit_input_reload_insns): Delete code that tries to
17065 inherit using find_equiv_reg.
17067 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17069 * c-common.h (flag_const_strings): Don't declare.
17070 * c-common.c (flag_const_strings): Remove.
17071 * c.opt (fconst_strings): Remove.
17072 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17073 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17074 (c_common_init_options): Don't set flag_const_strings.
17075 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17077 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17079 * arm.md (tlobits_cbranch): New pattern.
17080 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17081 testing a single bit.
17083 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17086 * tree-ssa-pre.c (create_component_ref_by_pieces):
17087 Handle RETURN_DECL like VAR_DECL.
17089 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17091 PR middle-end/26134
17092 * fold-const.c (fold_indirect_ref_1): Fold
17093 "*(foo *)&complexfoo" to "__real__ complexfoo"
17094 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17096 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17098 * tree-flow-inline.h (var_can_have_subvars):
17099 Volatile variables should not have subvariables.
17101 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17104 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17105 multiplying unsigned values.
17108 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17110 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17112 2006-02-08 Jason Merrill <jason@redhat.com>
17115 * tree.def: Elaborate on difference from MODIFY_EXPR.
17116 * doc/c-tree.texi (INIT_EXPR): Likewise.
17117 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17118 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17119 (gimplify_target_expr): Likewise.
17120 (gimplify_cond_expr): Remove target handling.
17121 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17122 (gimplify_expr): Clobber it here.
17123 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17124 Do return slot optimization if we have an INIT_EXPR.
17127 * tree-inline.c (declare_return_variable): Also clear
17128 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17131 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17133 PR middle-end/22439
17134 * gimplify.c (gimplify_one_sizepos): Fix typo.
17136 2006-02-08 Jeff Law <law@redhat.com>
17138 PR tree-optimization/21417
17139 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17140 across a backedge if the control statement at the end of the
17141 block is data dependent on other statements in the same block.
17142 (record_temporary_equivalences_from_stmts): Remove over-conservative
17143 test for threading across backedges.
17145 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17146 control statement, handle all three special cases in the same
17147 manner as they all have the same desired solution. No longer
17148 special case edge flag updating when the post dominator is
17151 2006-02-08 Roger Sayle <roger@eyesopen.com>
17153 * tree.def (CHAR_TYPE): Remove.
17154 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17155 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17156 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17157 (gen_string_type_die): Delete unreachable function.
17159 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17160 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17161 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17162 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17163 * builtins.c (type_to_class): Likewise.
17164 * fold-const.c (fold_convert, build_range_check,
17165 merge_ranges): Likewise.
17166 * expr.c (count_type_elements): Likewise.
17167 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17168 * stor-layout.c (layout_type): Likewise.
17169 * ipa-type-escape.c (type_to_consider): Likewise.
17170 * gimplify.c (omp_firstprivatize_type_sizes,
17171 gimplify_type_sizes): Likewise.
17172 * explow.c (promote_mode): Likewise.
17173 * tree-sra.c (is_sra_scalar_type): Likewise.
17174 * varasm.c (output_constant): Likewise.
17175 * tree-inline.c (remap_type_1): Likewise.
17176 * convert.c (convert_to_pointer, convert_to_real,
17177 convert_to_integer, convert_to_complex): Likewise.
17179 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17181 * df-scan.c (df_def_record_1): A set destination may
17182 be a parallel regardless of mode.
17184 2006-02-08 Roger Sayle <roger@eyesopen.com>
17187 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17188 * config/mips/_tilib.c: Remove.
17189 * config/fixtfdi.c: New libgcc source file.
17190 * config/fixunstfdi.c: New source file.
17191 * config/floatditf.c: New source file.
17192 * config/floatunditf.c: New souce file.
17193 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17194 files above instead of config/mips/_tilib.c.
17195 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17197 2006-02-08 Jeff Law <law@redhat.com>
17199 PR tree-optimization/26169
17200 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17203 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17205 * df.h (DF_REG_SIZE): Return the length of the initialized
17208 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17210 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17211 __muldf3): Return a correctly signed zero.
17213 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17215 * passes.c (register_one_dump_file): Accept the current properties
17216 instead of pass number. Adjust call to dump_register. Remove
17218 (register_dump_files): Now a wrapper around...
17219 (register_dump_files_1): ... this one. Do not modify the pass
17221 (next_pass_1): Cosmetic fix.
17222 (execute_todo): Keep second parameter only. Use curr_properties
17223 instead of fetching it from the pass structure. Check and set
17225 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17226 instead of fetching it from the pass structure. Fix calls to
17227 execute_todo. Update curr_properties and initialize .vcg RTL dump
17228 after running the pass. Reset last_verified.
17229 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17231 (FIRST_AUTO_NUMBERED_DUMP): New.
17232 (dump_register): Remove "num" parameter, assign it within the
17234 (get_dump_file_name): Modify template for dumps.
17235 * tree-dump.h (dump_register): Adjust prototype.
17236 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17237 (PROP_trees): Add PROP_gimple_lomp.
17238 (TODO_set_props): New.
17239 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17240 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17241 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17243 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17245 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17246 (sparc64-*-linux*): Likewise.
17247 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17248 * config/sparc/t-linux: New file.
17249 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17250 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17251 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17252 -m32 -mlong-double-128.
17254 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17255 * config/alpha/t-linux: New file.
17256 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17258 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17259 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17260 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17261 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17262 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17263 (CPP_ARCH32_SPEC): Remove.
17265 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17267 PR tree-optimization/26145
17268 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17271 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17274 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17275 >= 240000 when generating code for SOM runtime.
17276 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17277 to $$dyncall when generating code for SOM runtime..
17279 2006-02-07 Dirk Mueller <dmueller@suse.com>
17282 * doc/invoke.texi (-Wsequence-point): Update documentation
17283 that -Wsequence-point is implemented for C++ as well.
17285 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17287 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17288 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17289 (LIB_SPEC): Likewise.
17290 * doc/invoke.texi (SPARC options): Document -pthread.
17292 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17294 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17297 2006-02-07 Roger Sayle <roger@eyesopen.com>
17299 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17300 Correct comment describing BOOLEAN_TYPE.
17302 2006-02-07 Dirk Mueller <dmueller@suse.com>
17304 * c.opt: C++ frontend supports -Wdiv-by-zero.
17305 * c-opts.c (c_common_handle_option): Remove dead case.
17307 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17309 * configure.ac (TLS assembler check): Do not enable TLS by
17310 default on SPARC/Solaris before version 10.
17311 * configure: Regenerate.
17313 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17315 * doc/invoke.texi (xl-compat): Document conversion and support
17318 2006-02-07 Jeff Law <law@redhat.com>
17320 * tree-vrp.c (find_conditional_asserts): Update comments.
17321 (simplify_stmt_for_jump_threading): New.
17322 (identify_jump_threads, finalize_jump_threads): New.
17323 (vrp_finalize): Call identify_jump_threads.
17324 (execute_vrp): Call finalize_jump_threads.
17325 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17326 (vrp_element, vrp_data, vrp_element_p): Remove.
17327 (vrp_hash_elt, vrp_variables_stack): Remove.
17328 (vrp_hash, vrp_eq, record_range): Remove.
17329 (simplify_cond_and_lookup_avail_expr): Remove.
17330 (extract_range_from_cond): Remove.
17331 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17332 (simplify_stmt_for_jump_threading): New.
17333 (dom_thread_across_edge): New wrapper.
17334 (tree_ssa_dominator_optimize): No longer initialize or
17335 finalize any of the VRP datastructures. Remove iteration
17336 step and simplify as a result of removal of iteration step.
17337 (pass_dominator): Perform a cfg cleanup after DOM.
17338 (dom_opt_finalize_block): Use the new common routines
17339 for threading jumps. Simplify stack management slightly.
17340 No longer need to unwind VRP state.
17341 (record_equivalences_from_incoming_edge): No longer record
17343 (eliminate_redundant_computations): No longer call
17344 simplify_cond_and_lookup_avail_expr.
17345 * tree-flow.h (potentially_threadable_block): Prototype.
17346 (thread_across_edge): Likewise.
17347 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17348 (tree-ssa-threadedge.o): Add dependencies.
17349 * tree-ssa-threadedge.c: New file.
17350 * passes.c (init_optimization_passes): Merge PHIs before
17351 calling VRP. Run VRP again late in the SSA optimization pipeline.
17353 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17355 * df-core.c (df_set_blocks): Do not dereference function pointers.
17356 (df_finish1): Likewise.
17357 (df_hybrid_search_forward): Likewise.
17358 (df_hybrid_search_backward): Likewise.
17359 (df_iterative_dataflow): Likewise.
17360 (df_analyze_problem): Likewise.
17361 (df_compact_blocks): Likewise.
17362 (df_dump): Likewise.
17363 * df-scan.c (df_rescan_blocks): Likewise.
17364 (df_record_entry_block_defs): Likewise.
17366 * genconditions.c (write_conditions): Guard the definition of
17367 'insn_conditions' with the check on GCC version.
17368 (write_writer): Guard the traversal 'insn_conditions' with
17369 the check on GCC version.
17371 2006-02-07 Richard Guenther <rguenther@suse.de>
17375 2006-01-30 Richard Guenther <rguenther@suse.de>
17377 * gimplify.c (gimplify_target_expr): Handle easy cases
17378 without creating a temporary.
17380 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17382 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17383 use of float in probability computations. Use edge probabilities
17384 in place of statically computed probabilities.
17385 (min_spec_prob): New static variable.
17386 (schedule_insns): Initialize it.
17387 (GET_SRC_PROB): Removed.
17388 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17390 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17393 * config/ia64/unwind-ia64.c: Revert last change.
17394 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17395 (INCOMING_FRAME_SP_OFFSET): Define.
17397 2006-02-06 Roger Sayle <roger@eyesopen.com>
17399 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17401 2006-02-07 Ben Elliston <bje@au.ibm.com>
17403 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17404 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17405 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17406 (ix86_return_in_memory): Handle TDmode.
17407 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17408 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17410 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17412 * reorg.c (dbr_schedule): Use dump_file instead of file.
17414 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17417 * config/ia64/predicates.md (extr_len_operand): New predicate.
17418 * config/ia64/ia64.md (extv): Tighten constraints.
17420 (*tbit_and_2): Ditto.
17421 (*tbit_and_3): Ditto.
17422 (*tbit_or_2): Ditto.
17423 (*tbit_or_3): Ditto.
17424 (*bit_zero): Ditto.
17427 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17430 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17432 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17434 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17435 loop_optimizer_init and loop_optimizer_finalize
17436 * tree-ssa-sink.c (execute_sink_code): Ditto.
17437 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17438 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17439 tree_ssa_loop_done): Ditto.
17440 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17441 * sched-ebb.c: Include output.h.
17442 (schedule_ebbs): Do not use dump argument.
17443 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17444 * loop.c (loop_dump_stream): Removed.
17445 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17447 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17448 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17449 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17450 loop_iterations, strength_reduce, record_biv, record_giv,
17451 final_giv_value, check_final_value, check_ext_dependent_givs,
17452 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17453 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17454 dump_file instead of loop_dump_stream.
17455 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17456 argument dump_file.
17457 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17459 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17460 * haifa-sched.c: Include output.h
17461 (schedule_insns, sched_init): Do not use dump argument.
17462 * mode-switching.c (optimize_mode_switching): Ditto.
17463 * modulo-sched.c (stats_file): Removed.
17464 (print_node_sched_params): Do not call argument dump_file.
17465 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17466 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17468 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17470 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17471 rtl_loop_init, rtl_loop_done): Ditto.
17472 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17473 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17475 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17476 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17477 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17478 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17479 * emit-rtl.c (renumber_insns): Ditto.
17480 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17481 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17482 * regclass.c (regclass): Ditto.
17483 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17484 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17485 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17486 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17488 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17489 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17491 * gcse.c (gcse_file, debug_stderr): Removed.
17492 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17493 rest_of_handle_gcse): Do not use dump argument.
17494 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17495 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17496 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17497 compute_code_hoist_vbeinout, compute_code_hoist_data,
17498 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17499 compute_store_table, build_store_vectors, insert_insn_start_bb,
17500 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17501 store_motion): Use dump_file instead of gcse_file.
17502 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17503 * profile.c (profile_dump_file): Removed.
17504 (branch_prob): Use dump_file instead of profile_dump_file.
17505 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17507 * tree-ssa-copy.c (dump_copy_of): Ditto.
17508 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17509 dump file to life_analysis.
17510 * bt-load.c (branch_target_load_optimize): Ditto.
17511 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17513 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17514 regclass, dbr_schedule): Declaration changed.
17515 * sched-int.h (sched_init): Declaration changed.
17516 * tree-profile.c (tree_profile_dump_file): Removed.
17517 (tree_profile_hooks): Removed profile_dump_file hook.
17518 * rtl-profile (rtl_profile_dump_file): Removed.
17519 (rtl_profile_hooks): emoved profile_dump_file hook.
17520 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17522 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17523 * tree-cfg.c (build_tree_cfg): Ditto.
17524 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17525 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17526 Declaration changed.
17527 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17528 life_analysis and schedule_insns.
17529 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17531 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17533 * config/mips/mips.c (mips_reorg): Ditto.
17534 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17537 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17539 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17540 (s390_mangle_fundamental_type): New.
17541 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17544 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17545 (alpha_mangle_fundamental_type): New.
17546 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17549 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17551 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17553 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17554 (sparc_mangle_fundamental_type): New.
17556 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17558 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17559 (s390x-*-linux*): Likewise.
17560 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17561 * config/s390/t-linux: New file.
17563 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17565 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17566 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17568 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17570 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17571 (ANTIC_SAFE_LOADS): New macro.
17572 (find_or_generate_expression): Add prototype.
17573 (set_contains_value): Allow null set for sake of not always having
17574 to allocate ANTIC_SAFE_LOADS.
17575 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17576 Allow COMPONENT_REF too.
17577 (valid_in_set): Allow COMPONENT_REF.
17578 Check ANTIC_SAFE_LOADS too.
17579 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17580 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17582 (can_PRE_operation): Add COMPONENT_REF.
17583 (create_component_ref_by_pieces): New function.
17584 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17585 (insert_aux): Move AGGREGATE_TYPE_P check here.
17586 (compute_avail): Set bb local stmt uids.
17587 (pass_pre): Use TODO_update_ssa_only_virtuals.
17589 2006-02-06 Ben Elliston <bje@au.ibm.com>
17591 * configure.ac: Unconditionally disable decimal float by default.
17592 * configure: Regenerate.
17594 2006-02-06 Ben Elliston <bje@au.ibm.com>
17596 * read-rtl.c (read_name): Terminate reading on EOF.
17598 2006-02-06 Ben Elliston <bje@au.ibm.com>
17600 * dfp.c (decimal_real_arithmetic): Change second argument type
17601 from int to enum tree_code. Do not always return true, but now
17602 return result of any call to decimal_do helper functions.
17603 * dfp.h (decimal_real_arithmetic): Update prototype.
17605 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17607 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17609 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17612 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17615 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17617 * tree-vrp.c (cfg_loops): Removed.
17618 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17619 Use current_loops instead of cfg_loops. Pass flags to
17620 loop_optimizer_init.
17621 * cfgloopmanip.c (fix_loop_structure): Update only available
17623 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17624 loop_optimizer_init.
17625 * modulo-sched.c (build_loops_structure): Removed.
17626 (sms_schedule): Use loop_optimizer_init.
17627 * loop-init.c (loop_optimizer_init): Use flags to determine
17628 which properties of loops to prepare.
17629 (rtl_loop_init): Pass flags to loop_optimizer_init.
17630 * tree-ssa-sink.c (execute_sink_code): Ditto.
17631 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17632 * tree-ssa-pre.c (init_pre): Ditto.
17633 * cfgloop.h (LOOPS_NORMAL): New.
17634 (loop_optimizer_init): Declaration changed.
17636 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17638 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17639 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17641 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17643 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17645 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17646 * pa/t-pa64: Delete quadlib.c rule.
17647 * pa/x-ada: Revert last change.
17648 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17650 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17652 PR rtl-optimization/26087
17653 * rtlanal.c (canonicalize_condition): Do not cross basic block
17656 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17659 * config/ia64/ia64.c: Include debug.h.
17660 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17661 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17662 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17663 (process_epilogue, process_set, process_for_unwind_directive):
17664 Output unwind info only if requested. Add CFA info if requested.
17665 Add new arguments as needed. Adjust callers.
17666 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17668 (DWARF2_FRAME_INFO): Define to zero.
17669 * config/ia64/unwind-ia64.c: Remove code that compensated for
17670 the CFA offset error fixed above.
17671 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17672 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17673 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17674 -funwind-tables and -fexceptions to enable frame info.
17675 (dwarf2out_frame_init): Define initial CFA even if
17676 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17677 DWARF2_UNWIND_INFO is nonzero, not just defined.
17678 (dwarf2out_frame_finish): Output non-EH call frame info only
17679 if DWARF2_FRAME_INFO is nonzero.
17680 (convert_cfa_to_loc_list,
17681 compute_frame_pointer_to_cfa_displacement): Define even if
17682 unwind info is not supported.
17683 (gen_subprogram_die): Use the above unconditionally. Remove
17684 legacy alternate code.
17685 * toplev.c (compile_file): Compile in call to
17686 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17687 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17689 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17690 Jakub Jelinek <jakub@redhat.com>
17692 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17693 IBM extended float format long double as "g" on powerpc*-linux.
17695 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17698 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17699 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17701 2006-02-03 Jason Merrill <jason@redhat.com>
17704 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17706 PR middle-end/25977
17707 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17708 on the return slot if it's an NRV.
17710 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17712 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17713 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17714 rewrite_use): Do not handle USE_OUTER.
17715 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17716 add_iv_outer_candidates, may_replace_final_value,
17717 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17718 (find_interesting_uses_op): Functionality of
17719 find_interesting_uses_outer_or_nonlin moved here.
17720 (find_interesting_uses_outside): Use find_interesting_uses_op.
17722 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17725 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17727 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17728 Ulrich Weigand <uweigand@de.ibm.com>
17731 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17732 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17733 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17734 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17736 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17737 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17738 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17739 Define secondary reloads for TFmode moves.
17740 (constant_modes): Add TFmode.
17741 (NR_C_MODES): Set to 8.
17742 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17744 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17745 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17746 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17747 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17748 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17749 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17750 (FPR mode macro): Add TFmode.
17751 (DSF mode macro): New.
17752 (<de>, <dee> mode attributes): Removed.
17753 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17754 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17755 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17756 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17757 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17758 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17759 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17760 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17761 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17762 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17763 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17764 "*negabs<mode>2", "sqrt<mode>2"):
17765 Changed <de> to <xde>. R constraint replaced by <Rf>.
17766 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17768 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17769 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17770 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17772 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17773 "extenddftf2", "extendsftf2"): New expanders.
17774 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17775 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17776 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17777 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17779 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17780 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17781 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17782 __floatditf): Add a GCC_4.1.0 symbol version tag.
17783 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17786 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17789 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17790 Use targetm.binds_local_p instead of TREE_PUBLIC.
17792 2006-02-02 Roger Sayle <roger@eyesopen.com>
17794 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17795 on INTEGER_TYPEs to indicate that it denotes a character type.
17796 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17797 signed_char_type_node, unsigned_char_type_node and char_type_node.
17798 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17799 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17800 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17802 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17803 Daniel Berlin <dberlin@dberlin.org>
17805 * tree-tailcall.c (arg_needs_copy_p): New function.
17806 (eliminate_tail_call): Use arg_needs_copy_p.
17807 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17808 (add_virtual_phis): New function.
17810 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17812 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17813 #ignore instead of #scratch for %g7 .register directive.
17815 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17817 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17820 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17822 * flow.c (calculate_global_regs_live): Assert that there aren't any
17825 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17827 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17828 what its name says.
17829 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17830 bsi_after_labels iterator.
17831 * tree-if-conv.c (find_phi_replacement_condition,
17832 replace_phi_with_cond_modify_expr): Likewise.
17833 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17834 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17836 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17838 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17840 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17843 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17844 array after growing it.
17846 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17848 PR middle-end/24901
17849 * fold-const.c (fold_checksum_tree): Change type of buf.
17851 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17853 * reload.c (push_secondary_reload): Initialize t_icode.
17855 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17857 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17858 -msoft-float -mlong-double-128 only issue a warning, but don't
17859 swich to DFmode long double.
17861 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17863 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17864 has a constant equivalent, iterate over equivalents for arg0,
17865 calling simplify_relational_operation and if there's a result
17866 cheaper than X, apply fold_rtx and return the result.
17868 2006-02-01 Jan Hubicka <jh@suse.cz>
17870 * opts.c (no_unit_at_a_time_default): New global variable.
17871 (decode_options): Use it.
17872 * opts.h (no_unit_at_a_time_default): Declare.
17874 2006-02-01 Paul Brook <paul@codesourcery.com>
17876 * function.c (assign_parm_setup_reg): Use function argument promotion
17878 * expr.c (expand_expr_real_1): Use function argument promotion rules
17881 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17883 * gcc.c (process_command): Change j to 'unsigned int'.
17885 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17887 PR middle-end/26001
17888 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17889 Use the corrected index for the character
17890 out of the string constant.
17892 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17894 * mode-switching.c (optimize_mode_switching): Fix size
17895 allocated for bb_info[n_entities].
17897 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17899 * gcc.c (main): Correct type that is allocated for
17900 explicit_link_files.
17902 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17904 * config/s390/s390.c (init_alignment_context): Set
17905 ALIAS_SET_MEMORY_BARRIER on the MEM.
17906 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17908 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17910 PR middle-end/25933
17911 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17913 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17916 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17918 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17919 * regrename.c: Ditto.
17920 * tree-ssa-loop-im.c: Ditto.
17921 * tree-dump.c: Ditto.
17922 * tree-complex.c: Ditto.
17923 * genrecog.c: Ditto.
17924 * tree-ssa-threadupdate.c: Ditto.
17926 * java/class.c: Ditto.
17927 * java/jcf-parse.c: Ditto.
17928 * java/resource.c: Ditto.
17929 * java/except.c: Ditto.
17930 * java/jvspec.c: Ditto.
17931 * java/jcf-write.c: Ditto.
17932 * java/jcf-path.c: Ditto.
17933 * java/gjavah.c: Ditto.
17934 * java/zextract.c: Ditto.
17935 * java/jcf-io.c: Ditto.
17936 * java/jcf.h: Ditto.
17937 * java/buffer.c: Ditto.
17938 * java/lang.c: Ditto.
17939 * java/parse-scan.y: Ditto.
17940 * java/lex.c: Ditto.
17941 * java/lex.h: Ditto.
17942 * cfgloopmanip.c: Ditto.
17943 * postreload-gcse.c: Ditto.
17944 * tree-ssa-loop-manip.c: Ditto.
17945 * postreload.c: Ditto.
17946 * tree-ssa-loop-ch.c: Ditto.
17949 * cppspec.c: Ditto.
17950 * diagnostic.c: Ditto.
17952 * genoutput.c: Ditto.
17954 * cfghooks.c: Ditto.
17955 * cfgloopanal.c: Ditto.
17956 * objc/objc-act.c: Ditto.
17958 * genextract.c: Ditto.
17959 * genautomata.c: Ditto.
17960 * pretty-print.c: Ditto.
17961 * genemit.c: Ditto.
17962 * cgraphunit.c: Ditto.
17964 * df-scan.c: Ditto.
17965 * haifa-sched.c: Ditto.
17966 * dominance.c: Ditto.
17968 * tree-ssa-loop-ivopts.c: Ditto.
17969 * df-core.c: Ditto.
17970 * mode-switching.c: Ditto.
17971 * modulo-sched.c: Ditto.
17973 * ipa-pure-const.c: Ditto.
17975 * fix-header.c: Ditto.
17977 * tree-stdarg.c: Ditto.
17978 * ipa-utils.c: Ditto.
17979 * loop-init.c: Ditto.
17980 * ipa-inline.c: Ditto.
17981 * cfganal.c: Ditto.
17983 * alloc-pool.c: Ditto.
17984 * dwarf2out.c: Ditto.
17986 * genattrtab.c: Ditto.
17987 * tree-ssa-loop-ivcanon.c: Ditto.
17988 * predict.c: Ditto.
17989 * timevar.c: Ditto.
17991 * fortran/gfortranspec.c: Ditto.
17992 * regmove.c: Ditto.
17993 * local-alloc.c: Ditto.
17994 * langhooks.c: Ditto.
17995 * function.c: Ditto.
17996 * tree-vectorizer.c: Ditto.
17998 * ipa-type-escape.c: Ditto.
18000 * tree-if-conv.c: Ditto.
18001 * profile.c: Ditto.
18003 * tree-data-ref.c: Ditto.
18004 * loop-unroll.c: Ditto.
18005 * treelang/treetree.c: Ditto.
18007 * bt-load.c: Ditto.
18008 * ggc-common.c: Ditto.
18010 * coverage.c: Ditto.
18012 * tree-cfgcleanup.c: Ditto.
18013 * tree-ssa-pre.c: Ditto.
18014 * cfgcleanup.c: Ditto.
18015 * loop-invariant.c: Ditto.
18016 * loop-iv.c: Ditto.
18017 * ipa-prop.c: Ditto.
18018 * print-tree.c: Ditto.
18019 * conflict.c: Ditto.
18020 * ggc-page.c: Ditto.
18021 * sched-deps.c: Ditto.
18022 * regclass.c: Ditto.
18023 * tree-object-size.c: Ditto.
18024 * combine.c: Ditto.
18025 * bb-reorder.c: Ditto.
18026 * resource.c: Ditto.
18027 * var-tracking.c: Ditto.
18028 * cfgloop.c: Ditto.
18029 * df-problems.c: Ditto.
18030 * reg-stack.c: Ditto.
18032 * gccspec.c: Ditto.
18033 * sched-rgn.c: Ditto.
18034 * tree-ssa-structalias.c: Ditto.
18035 * tree-ssa-reassoc.c: Ditto.
18036 * config/darwin-c.c: Ditto.
18037 * config/darwin.c: Ditto.
18038 * config/arm/arm.c: Ditto.
18040 * collect2.c: Ditto.
18041 * reload1.c: Ditto.
18043 2006-01-31 Nicolas Pitre <nico@cam.org>
18045 * arm.md (smaxsi3): Make aware of smax_m1.
18048 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18050 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18052 2006-01-31 Richard Guenther <rguenther@suse.de>
18054 * doc/invoke.texi (-msselibm): Document.
18055 * target.h (expand_library_builtin): New target hook.
18056 * builtins.c (expand_builtin): Use expand_library_builtin.
18057 (default_expand_library_builtin): New function.
18058 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18059 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18060 (link_gcc_math_spec): Declare.
18061 (static_specs): Add link_gcc_math_spec.
18062 * expr.h (default_expand_library_builtin): Declare.
18063 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18064 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18065 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18066 * config/i386/i386.opt (msselibm): New target option.
18067 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18068 (ix86_init_sse_abi_builtins): New function.
18069 (ix86_expand_library_builtin): Likewise.
18070 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18071 (override_options): Handle error conditions wrt -msselibm.
18072 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18073 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18074 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18077 2006-01-31 Richard Guenther <rguenther@suse.de>
18078 Paolo Bonzini <bonzini@gnu.org>
18080 * doc/install.texi (--disable-libgcc-math): Document.
18082 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18084 * expr.h (expand_normal): new inline function.
18085 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18086 * dojump.c: use it.
18087 * dwarf2out.c: use it.
18090 * expmed.c: use it.
18091 * except.c: use it.
18092 * config/sparc/sparc.c: use it.
18093 * config/i386/i386.c: use it.
18094 * config/rs6000/rs6000.c: use it.
18095 * config/arm/arm.c: use it.
18096 * config/mips/mips.c: use it.
18097 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18099 2006-01-30 Roger Sayle <roger@eyesopen.com>
18101 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18102 argv to the appropriate type.
18104 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18106 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18109 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18112 * config/s390/s390.c (struct machine_function): New flag
18113 decomposed_literal_pool_addresses_ok_p.
18114 (s390_reorg): Set it before final stage of literal pool transforms.
18115 (s390_decompose_address): Only accept displacements of the form
18116 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18118 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18120 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18121 the comparison routine return.
18123 2006-01-30 Michael Matz <matz@suse.de>
18125 * global.c (find_reg): Only evict for global regs.
18126 Take n_refs into account and dump more info.
18128 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18131 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18132 (pragma_trap, pragma_nosave_low_regs): Likewise.
18133 (current_function_anonymous_args): Likewise.
18134 (sh_deferred_function_attributes): New variable.
18135 (sh_deferred_function_attributes_tail): Likewise.
18136 (print_operand): For '@', look up trap_exit attribute.
18137 (calc_live_regs): Look up trapa_handler attribute. For trapa
18138 handlers, save/restore fpscr, but don't do any other
18139 interrupt-specific saves.
18140 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18141 Fix check for partially saved registers to check for SHmedia.
18142 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18143 (sh_output_function_epilogue): Don't clear any of the removed
18145 (sh_insert_attributes): Don't check pragma_interrupt.
18146 Insert deferred attributes. Check that interrupt attribute is
18147 present for other attributes that require its presence.
18148 (sh_attribute_table): Add new attributes trapa_handler and
18150 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18151 Don't check for pragma_interrupt. Don't store argument.
18152 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18153 (sh_deferred_function_attributes): Declare.
18154 (sh_deferred_function_attributes_tail): Likewise.
18155 * sh.md (sp_switch_1): Add operand. Change generator caller.
18156 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18157 (*return_i): Don't use when trap_exit attribute is in effect.
18158 (*return_trapa): New insn pattern.
18159 * sh-c.c: New file.
18160 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18161 setting c_target_objs and cxx_target_objs.
18162 * t-sh: Add rule for sh-c.o.
18164 2006-01-30 Richard Guenther <rguenther@suse.de>
18167 * gimplify.c (gimplify_target_expr): Handle easy cases
18168 without creating a temporary.
18170 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18172 * vec.h (safe_grow): Remove duplicated line.
18174 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18177 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18178 (expand_omp): ... here.
18179 (expand_omp_parallel): Only remove barriers for combined
18180 parallel+workshare constructs.
18182 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18186 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18187 * tree.c (build_qualified_type): Chain the new type to the original
18188 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18189 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18190 (build_pointer_type_for_mode): Only return unqualified types.
18191 (build_reference_type_for_mode): Likewise.
18193 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18195 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18196 * Makefile.in (CXX_COMPAT_WARN): Define.
18197 * configure: Regenerate.
18199 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18202 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18205 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18207 * toplev.c: Fix thinko.
18209 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18210 Marcin Dalecki <martin@dalecki.de>
18212 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18213 (push_srcloc): Use XNEW.
18214 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18216 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18218 * df-core.c (df_set_blocks): Deleted all variable.
18220 2006-01-28 Ian Lance Taylor <ian@airs.com>
18222 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18223 cgraph_output_pending_asms.
18225 2006-01-28 Zack Weinberg <zackw@panix.com>
18227 * c.opt: Add -W(no-)overlength-strings.
18228 * doc/invoke.texi: Document it.
18229 * c-opts.c (c_common_handle_option): -pedantic implies
18230 -Woverlength-strings, if not explicitly disabled already.
18231 (c_common_post_options): -Woverlength-strings defaults to off, and
18232 is always off for C++.
18233 * c-common.c (fix_string_type): Issue warning about strings longer
18234 than is portable only if warn_overlength_strings. Rearrange code
18235 a little for clarity.
18236 * configure.in: Check for -Wno-overlength-strings as well before
18237 enabling -pedantic in stage 1.
18238 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18239 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18241 * genconditions.c (write_header, write_one_condition)
18242 (write_conditions, write_writer): Consolidate very long strings
18243 that were broken up to fit in C89 portable limit. Don't use
18244 printf when fputs will do.
18246 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18248 * combine.c (simplify_comparison <AND>): Check
18249 TRULY_NOOP_TRUNCATION before start using a subreg.
18251 * config/mips/mips.md (*branch_zero<mode>,
18252 *branch_zero<mode>_inverted, *branch_equality<mode>,
18253 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18254 Remove mode check from comparisons.
18256 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18258 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18260 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18262 * expmed.c (const_mult_add_overflow_p): Remove.
18263 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18265 * recog.c (validate_replace_rtx_subexp): Remove.
18266 * recog.h: Remove the prototype for
18267 validate_replace_rtx_subexp.
18269 * integrate.h: Remove the prototype for
18270 copy_decl_for_inlining.
18271 * rtl.h: Remove the prototype for mark_constant_function.
18272 * tree-vectorizer.h: Remove the prototype for
18273 vect_strip_conversion.
18275 * modulo-sched.c (create_partial_schedule,
18276 free_partial_schedule, reset_partial_schedule): Make them
18279 * hooks.c (hook_bool_rtx_int_false): Remove.
18280 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18282 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18284 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18285 and -mlong-double-128 are incompatible.
18286 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18287 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18288 (TARGET_LIBGCC2_CFLAGS): Define.
18289 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18290 (TARGET_LIBGCC2_CFLAGS): Same.
18291 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18293 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18296 * c-typeck.c (build_binary_op): Perform implicit casts of
18297 operands before shortening them.
18299 * cfgloopmanip.c (split_loop_bb): Remove.
18300 * cfgloop.h: Remove the prototype for split_loop_bb.
18302 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18303 * cfgloop.h: Remove the prototype for
18304 flow_loop_outside_edge_p.
18306 * emit-rtl.c (init_virtual_regs): Make it static.
18307 * function.h: Remove the prototype for init_virtual_regs.
18309 * recog.c (peephole2_optimize): Make it static.
18310 * recog.h: Remove the prototype for peephole2_optimize.
18312 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18314 * df-scan.c (df_record_entry_block_defs): Check if
18315 INCOMING_RETURN_ADDR_RTX is defined.
18317 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18318 Kenneth Zadeck <zadeck@naturalbridge.com>
18320 PR rtl-optimization/24762
18321 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18322 * targhooks.c (hook_void_bitmap): New hook prototype.
18323 * targhoohs.h (hook_void_bitmap): Ditto.
18324 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18325 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18326 * target.h (live_on_entry): New function pointer.
18327 * df-scan.c (df_all_hard_regs): Removed.
18328 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18329 (df_scan_free_internal): Added df->entry_block_defs.
18330 (df_scan_alloc): Ditto.
18331 (df_scan_dump): Ditto.
18332 (df_uses_record): Plumbed flag field properly thru calls.
18333 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18334 This part fixes PR24762.
18335 (df_bb_refs_record): Added code to make the frame and arg
18336 pointers live in EH blocks.
18337 (df_refs_record): Added call to df_record_entry_block_defs.
18338 (df_record_entry_block_defs): New function.
18339 * df-core.c: Added comments to describe new artifical defs.
18340 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18341 (entry_block_defs): New field in struct df.
18342 (df_all_hard_regs): Deleted.
18343 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18344 * df-problems.c (df_ru_bb_local_compute_process_def):
18345 Added code to handle artifical defs in the entry to a function.
18346 (df_ru_bb_local_compute): Ditto.
18347 (df_rd_bb_local_compute_process_def): Ditto.
18348 (df_rd_bb_local_compute): Ditto.
18349 (df_lr_bb_local_compute): Ditto.
18350 (df_ur_bb_local_compute): Ditto.
18351 (df_urec_bb_local_compute): Ditto.
18352 (df_chain_create_bb): Ditto.
18353 (df_ur_local_finalize): Removed entry.
18354 (df_urec_init): Ditto.
18355 (df_urec_local_finalize): Ditto.
18356 (df_ri_bb_compute): Added detection of last use of pseudos.
18357 * Makefile.in (df-scan.o): Updated dependencies.
18358 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18359 * config/mips/mips.c (mips_set_live_on_entry): Added.
18360 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18362 * dce.c (marked_insn_p): Added code to handle artifical defs.
18364 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18366 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18368 (_mm_cvtsi128_si64): Likewise.
18369 (_mm_cvtsd_si64): Likewise.
18370 (_mm_cvttsd_si64): Likewise.
18371 (_mm_cvtsi64_sd): Likewise.
18372 (_mm_cvtsi64_si128): Likewise.
18373 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18374 (_mm_cvtsi64_m64): Likewise.
18375 (_m_to_int64): Likewise.
18376 (_mm_cvtm64_si64): Likewise.
18377 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18378 (_mm_cvttss_si64): Likewise.
18379 (_mm_cvtsi64_ss): Likewise.
18380 (_mm_cvtss_f32): Likewise.
18382 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18384 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18385 for pragma redefine_extname.
18387 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18390 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18391 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18392 -mno-minimal-toc to previous content.
18393 (bispecs): Remove goal.
18394 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18395 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18396 compatibility aliases on powerpc-*-*gnu*.
18397 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18398 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18399 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18400 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18401 (ldblspecs): New goal.
18402 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18403 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18405 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18406 L_sf_to_tf or L_df_to_tf is defined.
18408 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18409 Alan Modra <amodra@bigpond.net.au>
18412 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18413 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18414 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18415 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18416 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18417 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18418 (rs6000_override_options): Initialize rs6000_ieeequad.
18419 Initialize TFmode format to ibm_extended_format if not
18421 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18423 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18424 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18425 (function_arg_advance): IBM long double passed in two FPRs, not
18427 (function_arg): IBM long double passed in FPRs.
18428 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18429 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18430 Only multireg GPR aligned.
18431 (rs6000_init_libfuncs): Enable IBM long double functions if not
18433 (rs6000_generate_compare): Use IBM long double compare if not
18435 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18436 (TARGET_IEEEQUAD): Define.
18437 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18438 not TARGET_IEEEQUAD.
18439 * config/rs6000/rs6000.md: Enable TFmode patterns if
18441 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18442 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18443 and -mlong-double-128 are incompatible.
18444 * doc/invoke.texi (-mabi): Collect options together. Add
18445 ibmlongdouble and ieeelongdouble.
18447 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18449 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18451 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18452 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18453 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18454 * rtl.h (rtunion_def): Remove rt_ptr.
18456 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18457 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18458 * config/i386/winnt.c (i386_pe_mark_dllexport)
18459 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18461 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18463 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18465 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18469 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18470 pthread_key_delete. From John David Anglin. gthrw-ify
18471 pthread_getunique_np only if it it's not a macro. Delete
18473 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18474 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18475 __gthread_objc_condition_signal, __gthread_key_delete): Add
18476 "__attribute__ ((__unused__))" to unused arguments.
18477 (__gthread_recursive_mutex_init_function): Add missing return.
18478 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18479 gthr-posix95.h: Use macro-based approach for name redirection
18480 on targets missing weakref.
18482 2006-01-26 Zack Weinberg <zackw@panix.com>
18484 * genconditions.c (write_header): In generated code, #ifdef out
18485 all includes and fake declarations, except includes of bconfig.h
18486 and system.h, unless GCC_VERSION >= 3001. Do not include
18487 gensupport.h in any case.
18488 (write_conditions): Generate a definition of struct c_test. Add
18489 a comment to the generated #endif.
18490 (write_one_condition): Escape backslashes in string too.
18491 (write_writer): Generated code must escape backslashes and quote
18492 marks (but not newlines) in the strings it writes.
18493 * Makefile.in (build/gencondmd.o): Update dependencies.
18495 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18498 * Makefile.in (insn-automata.o): Add header file dependencies.
18499 * genautomata.c: Add includes.
18501 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18504 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18506 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18508 * configure.ac: Expect target tools paths to be passed from the toplevel
18509 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18511 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18513 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18516 * c.opt (Wpointer-sign): Init to -1.
18517 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18518 OPT_pedantic, to 0 otherwise.
18519 * doc/invoke.texi: Update.
18521 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18523 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18524 constants provided by 80387 instructions in the destination mode.
18526 2006-01-26 Richard Guenther <rguenther@suse.de>
18527 Andrew Pinski <pinskia@physics.uc.edu>
18530 partial PR tree-opt/17064
18531 * tree-ssa-structalias.c (intra_create_variable_infos):
18532 Create heap variables for incoming parameters if
18533 flag_argument_noalias > 1.
18534 (find_what_p_points_to): Look through default defs of
18537 2006-01-26 Jeff Law <law@redhat.com>
18540 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18541 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18542 within the VR_RANGE, use the VR_RANGE as the result, not the
18544 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18545 bounds for the type.
18547 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18549 * tree-ssa-alias.c (maybe_create_global_var): Change
18550 subvar walking to an assertion that we don't have subvar'd variables.
18552 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18555 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18556 Use a new variable, inner. PARM_DECLs are always non-weak.
18558 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18560 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18561 --disable-checking.
18563 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18565 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18567 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18569 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18570 (smax_insn, smin_insn, smax_0, smin_0): New.
18572 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18575 * config/cris/cris.c (cris_order_for_addsi3): New function.
18576 * config/cris/cris-protos.h: Prototype it.
18577 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18578 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18579 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18580 (split for "op.S1 [rx=rx+i],ry (swapped)")
18581 (split for "op(s|u).S1 [rx=rx+i],ry")
18582 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18583 Apply cris_order_for_addsi3 when generating addsi3 insns.
18585 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18587 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18588 (TREE_BLOCK): Add call to EXPR_CHECK.
18590 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18593 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18594 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18595 (dump_omp_clauses): ... here.
18596 (dump_generic_node): Handle OMP_CLAUSE.
18597 * tree.c (omp_clause_num_ops): New.
18598 (omp_clause_code_name): New.
18599 (tree_code_size): Handle OMP_CLAUSE.
18600 (tree_size): Likewise.
18601 (make_node): Document handling of OMP_CLAUSE.
18602 (tree_node_structure): Handle OMP_CLAUSE.
18603 (omp_clause_check_failed): New.
18604 (omp_clause_range_check_failed): New.
18605 (omp_clause_operand_check_failed): New.
18606 (build_omp_clause): New.
18607 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18608 * tree.h (enum omp_clause_code): Declare.
18609 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18610 (OMP_CLAUSE_RANGE_CHECK): Define.
18611 (OMP_CLAUSE_ELT_CHECK): Define.
18612 (omp_clause_check_failed): Declare.
18613 (omp_clause_operand_check_failed): Declare.
18614 (omp_clause_range_check_failed): Declare.
18615 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18616 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18617 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18618 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18619 (OMP_CLAUSE_IF_EXPR): Likewise.
18620 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18621 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18622 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18623 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18624 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18625 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18626 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18627 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18628 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18629 (OMP_CLAUSE_CODE): Define.
18630 (OMP_CLAUSE_SET_CODE): Define.
18631 (OMP_CLAUSE_CODE): Define.
18632 (OMP_CLAUSE_OPERAND): Define.
18633 (struct tree_omp_clause): Declare.
18634 (union tree_node): Add field 'omp_clause'.
18635 * treestruct.def (TS_OMP_CLAUSE): Define.
18636 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18637 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18638 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18639 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18640 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18641 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18642 (OMP_CLAUSE): Define.
18643 * print-tree.c (print_node): Handle OMP_CLAUSE.
18644 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18645 * c-typeck.c: Likewise.
18646 * gimplify.c: Likewise.
18647 * c-omp.c: Likewise.
18648 * tree-nested.c: Likewise.
18649 * tree-inline.c: Likewise.
18650 * c-parser.c: Likewise.
18651 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18654 2006-01-25 Roger Sayle <roger@eyesopen.com>
18656 PR rtl-optimization/25703
18657 * combine.c (try_combine): Handle zero_extract and strict_low_part
18658 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18660 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18662 * global.c: Fix comment typos.
18664 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18667 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18668 Use output_addr_const instead of assemble_name.
18670 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18672 * Makefile.in (sched-vis.o): Update dependencies.
18673 * haifa-sched.c (sched_finish): Clear current_sched_info.
18674 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18675 (dump_flow_info): Call it.
18676 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18678 * basic-block.h (dump_bb_info): Declare.
18679 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18680 option, and apply options only for dump files whose TDF_RTL,
18681 TDF_TREE, or TDF_IPA bits match.
18682 * rtl.h: Declare new functions exported from sched-vis.c.
18683 * sched-vis.c: Enable also if scheduling is not used.
18684 (print_value): Print the mode of registers if not inside scheduling.
18685 (print_insn): Make it work outside the scheduler. Beautify the output
18687 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18689 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18691 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18692 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18693 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18694 depending on the value of CONSTANT_POOL_ADDRESS_P.
18695 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18697 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18698 rather than SYMBOL_REF_DECL.
18699 (rtx_constant_pool): Remove const_rtx_sym_htab.
18700 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18701 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18702 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18703 Remove handling of const_rtx_sym_htab.
18704 (find_pool_constant): Delete.
18705 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18706 rather than find_pool_constant.
18707 (get_pool_constant_for_function): Delete.
18708 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18709 find_pool_constant.
18710 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18711 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18712 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18713 (SYMBOL_REF_CONSTANT): New macro.
18714 (get_pool_constant_for_function): Delete.
18715 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18716 rather than SYMBOL_REF_DECL.
18717 (i386_pe_mark_dllimport): Likewise.
18718 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18719 rather than SYMBOL_REF_DECL.
18720 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18721 (machopic_indirect_call_target): Likewise.
18723 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18725 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18727 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18729 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18731 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18733 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18735 2006-01-24 David Daney <ddaney@avtrex.com>
18738 * configure.ac (enable_tls): New enable option.
18739 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18740 * configure: Regenerate.
18741 * doc/install.texi (--enable-tls): Document new option.
18742 (--disable-tls): Ditto.
18744 2006-01-24 Richard Henderson <rth@redehat.com>
18746 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18747 * alias.c (true_dependence): Respect it.
18748 (canon_true_dependence, write_dependence_p): Likewise.
18749 * builtins.c (get_builtin_sync_mem): Set it.
18751 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18753 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18756 2006-01-24 DJ Delorie <dj@redhat.com>
18758 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18759 for storing constants in single-bit bitfields.
18761 2006-01-25 Ben Elliston <bje@au.ibm.com>
18763 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18765 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18768 * tree-ssa-pre.c (phi_translate): Return NULL
18769 for AGGREGATE_TYPE's.
18771 2006-01-24 Zack Weinberg <zackw@panix.com>
18773 * genautomata.c (process_state_for_insn_equiv_partition):
18774 Use xcalloc for insn_arcs_array.
18775 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18776 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18778 2006-01-24 Richard Henderson <rth@redhat.com>
18780 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18781 update all callers.
18783 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18785 PR rtl-optimization/25890
18786 PR rtl-optimization/25905
18787 * combine.c (expand_compound_operation, expand_field_assignment):
18788 Fail if the bitfield's final position is out of bounds.
18790 2006-01-24 Ian Lance Taylor <ian@airs.com>
18792 PR middle-end/25930
18793 * cgraphunit.c (cgraph_output_in_order): Don't clear
18794 cgraph_asm_nodes until after asm strings have been output.
18796 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18798 * fix-header.c (read_scan_file): Add new parameter imultilib when
18799 calling register_include_chains.
18801 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18803 * omp-low.c: Update documentation.
18805 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18806 Daniel Berlin <dberlin@dberlin.org>
18810 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18811 return from the function.
18813 2006-01-22 Zack Weinberg <zackw@panix.com>
18815 * rtl.def (match_code): Add second argument.
18816 * genpreds.c (write_extract_subexp): New function.
18817 (write_match_code): Add path argument. Use write_extract_subexp.
18818 (write_predicate_expr): Pass path to write_match_code.
18819 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18820 not perform a mode test.
18821 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18822 a subexpression does not constrain the top-level code set.
18823 * read-rtl.c (read_rtx_variadic): New function.
18824 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18825 * doc/md.texi: Document new notation.
18826 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18827 (cmpsi_operand): ... here, using new notation.
18829 2006-01-22 Zack Weinberg <zackw@panix.com>
18831 * varray.c: Remove GENERATOR_FILE #ifdefs.
18833 2006-01-22 Zack Weinberg <zackw@panix.com>
18835 * genautomata.c (output_reserved_units_table): Emit nothing if
18836 description->query_units_num is zero. Remove extra blank line.
18837 (output_cpu_unit_reservation_p): Short circuit
18838 if description->query_units_num is zero.
18840 2006-01-22 Zack Weinberg <zackw@panix.com>
18842 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18843 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18844 nor any of the random handful of variables that used to be necessary
18845 when this program was linked with rtlanal.o. Prune set of forward
18846 function declarations.
18847 (struct attr_desc): Remove static_p field.
18848 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18849 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18850 (attr_string): Do not read the character one past the length of
18852 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18853 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18854 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18855 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18856 (make_automaton_attrs): New.
18857 (main): Do not call into genautomata. Call local gen_bypass
18858 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18859 Remove special case for insn_alts.
18860 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18861 varray.h (leftover from previous change). Prune set of forward
18862 function declarations. Remove state_alts fields from all
18863 structures. Remove state_alts_table from struct automaton.
18864 Make everything except main static. Do not maintain num_dfa_decls.
18865 Do not maintain state_alts fields of various structures.
18866 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18867 (add_arc): Remove state_alts argument. All callers updated.
18868 (output_reserved_units_table): Emit #ifdef here...
18869 (output_tables): ...not here. Don't generate state_alts tables.
18870 (expand_automata): Don't generate attributes.
18871 (write_automata): Don't generate state_alts functions.
18872 (main): New function.
18873 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18874 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18875 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18876 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18877 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18878 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18879 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18880 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18882 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18883 * genattrtab.h: Delete file.
18884 * Makefile.in (OBJS-common): Add insn-automata.o.
18885 (insn-automata.o): New rule.
18886 (simple_generated_c): Add insn-automata.c.
18887 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18888 (genprogmd): Add automata.
18889 (build/genattrtab): Needs no extra objects nor libraries.
18890 (build/genautomata): Needs build/vec.o and -lm.
18892 2006-01-22 Zack Weinberg <zackw@panix.com>
18894 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18895 (output_dfa_max_issue_rate, locked_states_num): Delete.
18896 (struct automaton): Add locked_states field.
18897 (output_dead_lock_vect): Save number of locked states in
18898 automaton->locked_states. If it is zero, don't print anything.
18899 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18900 (output_internal_dead_lock_func): Only test the dead_lock_vect
18901 for automata that have locked states.
18902 (output_statistics): Always print the number of locked states for
18903 each automaton. Calculate total number of locked states here.
18904 (write_automata): Don't call output_dfa_max_issue_rate.
18905 * genattrtab.c: Define length_unit_log as a const variable.
18906 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18907 max_insn_queue_index const.
18908 * final.c (length_unit_log): Declare const.
18909 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18911 2006-01-22 Zack Weinberg <zackw@panix.com>
18913 * genautomata.c: Include vec.h, not varray.h.
18914 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18915 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18916 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18917 VEC_* macros operating on appropriately typed vectors, or to
18918 malloced arrays when the size is known in advance. Const-ify
18919 many char* variables and function arguments. No functional changes.
18920 * Makefile.in (build/varray.o): Delete rule.
18921 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18922 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18924 2006-01-22 Zack Weinberg <zackw@panix.com>
18926 * gensupport.c: Define get_insn_name and record_insn_name here.
18927 (read_md_rtx): Call record_insn_name as appropriate.
18928 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18929 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18930 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18932 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18933 (BUILD_VARRAY): Delete.
18934 (genprognormal): Rename genprogmd. Fold in all programs from
18935 genprognoprint; also attrtab.
18936 (build/genattrtab): Just mention genautomata.o and varray.o.
18937 Reorganize a bit, add comments to make the categories clearer.
18939 2006-01-22 Zack Weinberg <zackw@panix.com>
18941 * genconditions.c (condition_table, add_condition): Delete.
18942 (write_conditions): Don't emit n_insn_conditions nor
18943 insn_elision_unavailable. Issue the gcc version #ifdef here,
18944 inside the table, with no #else clause ...
18945 (write_header): ...not here.
18946 (write_writer): New function.
18947 (main): Don't initialize condition_table. Use add_c_test.
18949 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18950 files on the command line.
18951 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18952 Return -1 if there is no entry in the table, don't abort.
18953 (add_c_test, traverse_c_tests): New functions.
18954 * gensupport.h (insn_elision_unavailable, insn_conditions)
18955 (n_insn_conditions): Delete declarations.
18956 (add_c_test, traverse_c_tests): Declare.
18957 * read-rtl.c: Include gensupport.h.
18958 (read_conditions): New function.
18959 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18960 (read_rtx_1): If we get EOF when we were looking for an initial
18961 open paren, return 0. Call read_conditions when appropriate.
18962 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18963 dummy-conditions.o. Eliminate references to insn-conditions.o,
18964 or change them to build/gencondmd.o, as appropriate. Remove
18965 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18966 from $(simple_generated_c). For all files remaining in those
18967 two lists, add insn-conditions.md to the generator command line.
18968 Give insn-constants.h/s-constants their own rules. Add rules
18969 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18970 (build/read-rtl.o): Depend on gensupport.h.
18971 (genprognormal): Include preds.
18972 (genprogearly): Rename genprognoprint; only difference is now that
18973 they don't link with $(BUILD_PRINT).
18974 * dummy-conditions.c: Delete.
18976 2006-01-22 Zack Weinberg <zackw@panix.com>
18978 * genextract.c: Don't include insn-config.h. Do include vec.h.
18979 Declare vectors of int, char, and locstr.
18980 (locstr): New typedef.
18981 (struct extraction): Make all array fields into bare pointers.
18982 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18983 (insn_code_number): Delete.
18984 (accum_extract): New struct.
18985 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18986 (gen_insn): Take insn_code_number as an argument. Use an
18987 accum_extract structure instead of loading data directly into
18988 a struct extraction, and having to know how big it might get.
18989 (walk_rtx): Operate entirely on an accum_extract structure.
18990 (print_path): Avoid unnecessary use of printf.
18991 (print_header): New function, split out of main. Distinguish
18992 more carefully between an unrecognizable insn and an insn that
18993 has the code number of a define_expand.
18994 (main): Pass insn_code_number to gen_insn. Call print_header
18995 only after parsing. Avoid unnecessary use of printf.
18996 * Makefile.in (build/vec.o): New rule.
18997 (build/genextract): Depend on build/vec.o.
18998 (build/genextract.o): Don't depend on insn-config.h.
19000 2006-01-22 Zack Weinberg <zackw@panix.com>
19002 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19003 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19004 practical. Eliminate per-generator-program link rules.
19006 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19008 PR middle-end/24437
19009 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19010 with a call expr to ...
19011 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19013 2006-01-23 Richard Guenther <rguenther@suse.de>
19015 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19016 before make_edge with conditional EDGE_TRUE_VALUE.
19018 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19019 Jan Hubicka <jh@suse.cz>
19020 Richard Guenther <rguenther@suse.de>
19022 PR rtl-optimization/25654
19023 * cfgexpand.c (aggregate_contains_union_type): New function.
19024 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19025 for structure variables that contain a union type.
19027 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19029 * gengtype.c (new_structure): Return the structure.
19030 (create_option): Add an extra "next" argument.
19031 (create_field): New function.
19032 (adjust_field_rtx_def): Use create_option and create_field.
19033 Remove a now-unnecessary call to find_structure.
19034 (adjust_field_tree_def): Likewise.
19035 (note_yacc_type): Remove an unnecessary call to find_structure.
19036 * gengtype.h (new_structure): Return the structure.
19037 (create_option): Add an extra argument.
19038 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19039 (option): Adjust calls to create_option.
19041 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19043 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19045 2006-01-22 Paul Brook <paul@codesourcery.com>
19046 Peter Barada <peter@the-baradas.com>
19048 * config/m68k/m68k.md: Add Coldfire FPU support.
19049 Define FP mode macro and associated attributes.
19050 Use it for float mode patterns.
19051 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19052 (LIBCALL_VALUE): Use m68k_libcall_value.
19053 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19054 (m68k_function_value): Ditto.
19055 (emit_move_sequence): Ditto.
19056 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19057 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19058 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19059 (MULTILIB_EXCEPTIONS): Ditto.
19060 * config/m68k/m68k.opt: Add mcfv4e.
19061 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19062 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19063 (m68k_output_function_prologue): Save ColdFire FPU registers.
19064 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19065 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19066 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19067 ColdFire FPU registers.
19068 (m68k_libcall_value, m68k_function_value): New functions.
19069 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19070 (LIBCALL_VALUE): Use m68k_libcall_value.
19071 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19072 (MASK_COLDFIRE): Add MASK_CFV4E.
19073 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19074 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19075 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19076 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19077 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19078 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19079 * doc/invoke.tex: Document -mcfv4e on m68k.
19081 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19083 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19086 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19089 * c-opts.c (c_common_handle_option): Don't include
19090 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19091 * doc/invoke.texi (C++ Dialect Options): Document that
19092 -Wnon-virtual-dtor is no longer included in -Wall.
19094 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19096 * gcov.c (print_version), gcov-dump.c (print_version),
19097 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19100 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19102 * df-scan.c (problem_SCAN): Added NULL reset function.
19103 (df_scan_reset_blocks): Added code to call reset block function
19104 (df_bb_refs_delete) Fixed comment.
19105 (df_insn_refs_delete): Made tolerant of deleting non existent info
19106 for dataflow problems that need to be reset.
19107 * df-core.c (df_set_blocks): Ditto.
19108 * df.h (struct df_problem): Added reset_fun.
19109 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19110 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19111 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19112 functions to clear out all references to def-use or use-def chains.
19114 2006-01-21 Ben Elliston <bje@au.ibm.com>
19116 * varasm.c (assemble_real): Initialise data array.
19118 2006-01-20 Paul Brook <paul@codesourcery.com>
19120 Merge from csl-arm-branch.
19121 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19122 * config/arm/arm.md (movdi): Force operands[1] to a register
19123 if we have a non-register source.
19124 (*arm_movdi, *movdf_soft_insn): Require that one of the
19125 operands be a register.
19126 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19127 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19129 2006-01-20 DJ Delorie <dj@redhat.com>
19131 * varasm.c (initializer_constant_valid_p): Allow pointers
19132 initialized from integer constants of lesser precision.
19133 (output_constant): Allow non-int-sized pointer modes to be
19134 initialized from integer constants.
19136 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19139 * cppdefault.h (struct default_include): Add multilib flag.
19140 * cppdefault.c (cpp_include_defaults): Set it.
19141 * c.opt (-imultilib): New option.
19142 * c-opts.c (imultilib): New.
19143 (c_common_handle_option): Handle -imultilib.
19144 (c_common_post_options): Likewise.
19145 * c-incpath.c (add_standard_paths, register_include_chains):
19147 * c-incpath.h (register_include_chains): Add extra parameter.
19148 * gcc.c (do_spec_1): Generate -imultilib option.
19149 (The Specs Language): Update %I description.
19150 (process_command): Update copyright notice.
19151 * doc/cppopts.texi (-imultilib): Document.
19152 * doc/invoke.texi (-imultilib): Include in option summary.
19153 (%I): Update specs documentation.
19155 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19157 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19159 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19161 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19164 2006-01-20 Richard Guenther <rguenther@suse.de>
19165 Steven Bosscher <stevenb.gcc@gmail.com>
19167 PR rtl-optimization/24626
19168 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19169 EDGE_TRUE_VALUE if in RTL mode.
19172 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19173 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19175 2006-01-20 Dirk Mueller <dmueller@suse.com>
19178 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19179 instead of a special NOP marker.
19180 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19181 NOP marker handling.
19182 * c-common.h (empty_body_warning): Add forward declaration.
19183 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19184 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19186 2006-01-20 Paul Brook <paul@codesourcery.com>
19188 * Makefile.in (lang_checks): Keep going if mkdir fails.
19190 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19192 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19193 be able to clean out basic block when not necessary.
19194 (df_scan_free): Fixed to properly delete information if df is
19195 unused before calling df_finish.
19196 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19197 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19199 (df_bb_refs_delete): New function.
19200 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19201 * df-core.c (df_set_blocks): Added code to properly clean out
19202 unused blocks if they are not part of the blocks to consider.
19203 Added additional null check.
19204 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19205 be able to clean out basic block when not necessary
19206 * df.h (df_free_bb_function): Ditto.
19207 (df_bb_refs_delete): New function.
19208 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19209 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19210 basic block parameter to be able to clean out basic block when not
19212 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19213 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19214 Fixed to properly delete information if df is unused before
19217 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19219 PR rtl-optimization/25799
19220 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19221 Corrected confluence operator to remove bits from op2 before oring
19222 with op1 rather than removing bits from op1.
19223 (df_ru_transfer_function): Corrected test on wrong bitmap which
19224 caused infinite loop. Both of these problems were introduced in
19225 the dataflow rewrite.
19227 2006-01-19 DJ Delorie <dj@redhat.com>
19229 * reload1.c (find_reload_regs): Note the details of reload
19230 failures in the dump file.
19231 (spill_failure): Likewise.
19233 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19235 * loop-iv.c: Include df.h and hashtab.h.
19236 (enum iv_grd_result): New enum.
19237 (DF_REF_IV, DF_REF_IV_SET): New macros.
19238 (struct biv_entry): New.
19239 (df, bivs): New global variables.
19240 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19241 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19243 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19244 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19245 analyzed_for_bivness_p, record_biv): New functions.
19246 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19247 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19248 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19250 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19252 (iv_number_of_iterations): Use new interface to iv analysis.
19253 * loop-unroll.c: Do not include varray.h.
19254 (analyze_iv_to_split_insn): Use new interface to iv
19256 * loop-unswitch.c (may_unswitch_on): Ditto.
19257 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19259 (df_bb_modify): Realloc tables to the new index.
19260 (df_find_use): New function.
19261 * df.h (df_find_use): Declare.
19262 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19264 * cfgloop.h (struct rtx_iv): Remove analysed field.
19265 (iv_get_reaching_def): Removed.
19266 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19267 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19268 (loop-iv.o): Add df.h and hashtab.h dependency.
19269 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19271 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19274 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19276 (__floatundisf, __floatundidf): Likewise.
19277 * libgcc2.h (IS_IBM_EXTENDED): Define.
19279 2006-01-19 DJ Delorie <dj@redhat.com>
19281 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19283 2006-01-19 Paul Brook <paul@codesourcery.com>
19285 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19286 as nothrow when unwinding tables are disabled.
19288 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19291 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19292 of bit-field" when in system header.
19294 2006-01-19 DJ Delorie <dj@redhat.com>
19296 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19297 the 16 bit shift limit of the m16c.
19299 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19302 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19303 * config/i386/i386.c (output_set_got): Output the label if we have one
19304 for the TARGET_DEEP_BRANCH_PREDICTION case.
19306 2006-01-19 Jan Hubicka <jh@suse.cz>
19307 H.J. Lu <hongjiu.lu@intel.com>
19308 Evandro Menezes <evandro.menezes@amd.com>
19310 * invoke.texi (generic): Document
19312 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19313 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19314 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19315 (x86_use_incdec, x86_pad_returns): New variables
19316 (TARGET_CPU_DEFAULT_generic): New constant
19317 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19318 (enum processor_type): Add generic32 and generic64.
19319 * i386.md (cpu attribute): Add generic32/generic64
19320 (movhi splitter): Behave sanely when both partial_reg_dependency and
19321 partial_reg_stall are set.
19322 (K8 splitters): Enable for generic as well.
19323 * predicates.md (incdec_operand): Use TARGET_INCDEC
19324 (aligned_operand): Avoid memory mismatch stalls.
19325 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19326 * ppro.md: Enable for generic32
19327 * i386.c (generic64_cost, generic32_cost): New.
19328 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19329 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19330 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19331 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19332 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19333 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19334 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19335 x86_accumulate_outgoing_args, x86_prologue_using_move,
19336 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19337 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19338 Enable for generic.
19339 (x86_use_incdec, x86_pad_returns): New.
19340 (override_options): Add generic32 and generic64, translate "generic"
19341 to generic32/generic64 and "i686" to "generic32", refuse
19342 "generic32"/"generic64" as arch target.
19343 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19344 (ix86_reorg): Honor PAD_RETURNS.
19346 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19348 * tree-pretty-print.c (dump_generic_node): Handle
19349 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19350 * cgraph.c (cgraph_expand_queue): Rename from
19351 cgraph_analyze_queue. Update all users.
19352 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19353 cgraph_expand_queue.
19354 (cgraph_expand_all_functions): Likewise.
19355 (cgraph_finalize_pending_functions): Remove. Update callers.
19357 * tree.h (OMP_DIRECTIVE_P): Define.
19358 (OMP_PARALLEL_FN): Define.
19359 (OMP_PARALLEL_DATA_ARG): Define.
19360 (OMP_SECTIONS_SECTIONS): Define.
19361 * tree-pass.h (pass_expand_omp): Declare.
19362 * omp-low.c (struct omp_region): Declare.
19363 (struct omp_context): Remove fields 'parallel_type',
19364 'parallel_start_ix' and 'parallel_start_additional_args'.
19366 (struct omp_for_data): Rename from struct expand_omp_for_data.
19367 (omp_regions): New static variable.
19368 (root_omp_region): New static variable.
19369 (find_omp_clause): Make static.
19370 (is_in_combined_parallel_ctx): Remove.
19371 (is_combined_parallel): New.
19372 (extract_omp_for_data): Move earlier in the file.
19373 (workshare_safe_to_combine_p): New.
19374 (get_ws_args_for): New.
19375 (determine_parallel_type): Move earlier in the file.
19376 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19378 (omp_copy_decl): Likewise.
19379 (create_omp_child_function): Likewise.
19380 (lookup_omp_region): New.
19381 (dump_omp_region): New.
19382 (debug_omp_region): New.
19383 (debug_all_omp_regions): New.
19384 (new_omp_region): New.
19385 (scan_omp_parallel): If parallel_nesting_level > 1, the
19386 directive is nested within another parallel directive.
19387 Set OMP_PARALLEL_FN.
19388 (scan_omp_for): Do not try to handle combined parallel+for
19390 Remove FIXME comment.
19391 (scan_omp_nested): Remove.
19392 (scan_omp_1): Do not call scan_omp_nested when
19393 parallel_nesting_level is > 1.
19394 Do not change the DECL_CONTEXT of local variables found.
19395 (lookup_decl_in_outer_ctx): New.
19396 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19397 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19398 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19399 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19400 If CTX is nested, lookup VAR in the outer context when
19401 building copy assignment.
19402 (lower_send_clauses): Rename from expand_send_clauses.
19403 If CTX is nested, lookup VAR in the outer context when
19404 building copy assignments.
19405 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19406 If CTX is nested, lookup VAR in the outer context when
19407 building copy assignments.
19408 (expand_parallel_call): Rename from build_parallel_call.
19409 Handle combined parallel+workshare cases.
19410 Re-implement to emit code into the CFG.
19412 (expand_omp_parallel): Re-implement to emit code into the CFG.
19413 Call move_sese_region_to_fn to outline the sub-graph
19414 containing the parallel region.
19415 (expand_omp_for_1): Remove.
19416 (expand_omp_for_generic): Re-implement to emit code into the
19418 (expand_omp_for_static_nochunk): Likewise.
19419 (expand_omp_for_static_chunk): Likewise.
19420 (expand_omp_for): Likewise.
19421 (expand_omp_sections): Likewise.
19422 (remove_exit_barriers): New.
19423 (expand_omp_synch): New.
19425 (build_omp_regions_1): New.
19426 (build_omp_regions): New.
19427 (execute_expand_omp): New.
19428 (gate_expand_omp): New.
19429 (pass_expand_omp): Define.
19430 (lower_omp_sections): Rename from expand_omp_sections.
19431 Set OMP_SECTIONS_SECTIONS.
19432 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19433 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19434 (lower_omp_single): Rename from expand_omp_simple.
19435 (lower_omp_master): Rename from expand_omp_master.
19436 (lower_omp_ordered): Rename from expand_omp_ordered.
19437 (lower_omp_critical): Rename from expand_omp_critical.
19438 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19439 (lower_omp_for): Re-implement.
19440 (lower_omp_parallel): Re-implement.
19441 (lower_regimplify): Rename from expand_regimplify.
19442 (lower_omp_1): Rename from expand_omp_1.
19443 If there are syntax errors in the program, replace every
19444 OpenMP directive with NOP.
19445 Call lower_omp_* instead of expand_omp_*.
19446 (lower_omp): Rename from expand_omp.
19448 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19449 * tree-gimple.h (enum omp_parallel_type): Remove.
19450 (gimple_boolify): Declare extern.
19451 (find_omp_clause, determine_parallel_type): Remove.
19453 * gimple-low.c (lower_omp_directive): New.
19454 (lower_stmt): Call it.
19455 (record_vars_into): Move from ...
19456 (record_vars): ... here.
19457 Call record_vars_into with current_function_decl.
19459 * gimplify.c (struct gimplify_ctx): Remove fields
19460 combined_pre_p and combined_ctxp. Update users.
19461 (get_formal_tmp_var): Add documentation.
19462 (gimple_boolify): Make extern.
19463 (gimplify_expr_in_ctx): Remove. Update callers.
19464 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19465 will always be a BIND_EXPR.
19466 (gimplify_expr): Handle OMP_RETURN_EXPR.
19467 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19468 (OMP_PARALLEL): Add 3 operands.
19469 (OMP_SECTIONS): Add 1 operand.
19470 (OMP_RETURN_EXPR): Define.
19472 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19473 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19474 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19475 creating a circular free list.
19476 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19478 * tree-flow.h (move_sese_region_to_fn): Declare.
19479 (record_vars_into): Declare.
19480 * tree-cfg.c (make_omp_sections_edges): New.
19481 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19482 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19483 OMP_SECTIONS and OMP_SECTION.
19484 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19485 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19486 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19487 (gather_blocks_in_sese_region): New.
19488 (struct move_stmt_d): Declare.
19489 (move_stmt_r): New.
19490 (move_block_to_fn): New.
19491 (move_sese_region_to_fn): New.
19493 * passes.c (init_optimization_passes): Schedule
19494 pass_expand_omp after pass_init_datastructures.
19496 * tree-ssa-operands.c (get_expr_operands): Handle
19497 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19498 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19500 2006-01-19 Jeff Law <law@redhat.com>
19502 * tree-vrp.c (extract_range_from_assert): Refine the result range
19503 if the variable referenced by the ASSERT_EXPR has a range and
19504 either the tentative result range or the previous range is a
19507 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19509 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19511 2006-01-19 Jan Hubicka <jh@suse.cz>
19513 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19515 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19517 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19518 (expand_compound_operation, expand_field_assignment): Fail if the
19519 bit lengths of an extract operation are out of range.
19520 (make_extraction): Compute wanted_inner_mode based on the position
19521 and length of the extraction. Make it extraction_mode for non-constant
19522 positions, and do not modify offset in that case. When generating a
19523 new MEM, use a mode that can hold the extraction while keeping correct
19524 alignment. Remove code that supported MEMs wrapped by USEs.
19525 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19527 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19529 * config/s390/s390.md ("Y", "y"): New mode attribute.
19530 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19531 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19532 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19533 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19534 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19535 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19536 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19537 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19538 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19539 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19540 "addsi3", "subsi3"): Insn patterns removed.
19541 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19542 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19543 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19544 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19545 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19546 "*sub<mode>3_cconly2"): New insn patterns.
19547 ("addsi3", "subsi3"): New expanders.
19549 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19551 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19552 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19553 existing STMT_VINFO_VECTYPE if available.
19554 (vect_mark_relevant): Add special handling for stmts that are
19555 marked as STMT_VINFO_IN_PATTERN_P.
19556 (vect_analyze_loop): Call vect_pattern_recog.
19557 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19558 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19560 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19561 (vect_recog_func_ptr): New function-pointer type.
19562 * tree-vect-patterns.c: New file.
19563 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19564 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19565 (vect_pattern_recog_1): New functions.
19566 (vect_pattern_recog_funcs): New array of function pointers.
19568 * tree-vectorizer.h (ternary_op): New enum value.
19569 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19570 declaration. Revised documentation. Removed redundant dump prints.
19571 Removed redundant argument. Added support for reduction patterns.
19572 (vectorizable_reduction): Added support for reduction patterns.
19573 (vect_transform_stmt): Added support for patterns.
19575 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19576 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19577 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19578 (expand_widen_pattern_expr): New function.
19579 (init_optabs): Initialize new optabs udot_prod_optab,
19581 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19582 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19583 (expand_widen_pattern_expr): New function declaration.
19584 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19586 * tree-inline.c (estimate_num_insns_1): Added cases for new
19587 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19588 * tree-pretty-print.c (dump_generic_node): Likewise.
19589 (op_prio): Likewise.
19590 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19591 * tree-ssa-operands.c (get_expr_operands): Added case for
19593 * tree-vect-patterns.c (widened_name_p): New function.
19594 (vect_recog_dot_prod_pattern): Added function implementation.
19595 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19596 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19597 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19598 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19600 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19601 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19602 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19603 (init_optabs): Initialize new optabs widen_ssum_optab,
19605 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19606 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19607 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19608 use instead of type of def.
19609 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19610 function implementation.
19611 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19612 widen_ssumv8hi): New.
19614 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19617 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19620 * c-decl.c (add_flexible_array_elts_to_size): New function.
19621 (finish_decl): Use it.
19623 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19625 * diagnostic.h: Include options.h.
19626 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19627 dependancies for diagnostic.h.
19628 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19630 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19632 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19633 (ssa_ro_call_cache_valid): Ditto.
19634 * tree-ssa-alias.c (sort_tags_by_id): New function.
19635 (init_transitive_clobber_worklist): Ditto.
19636 (add_to_worklist): Ditto.
19637 (mark_aliases_call_clobbered): Ditto.
19638 (compute_tag_properties): Ditto.
19639 (set_initial_properties): Ditto.
19640 (compute_call_clobbered): Ditto.
19641 (compute_may_aliases): Call compute_call_clobbered and grouping.
19642 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19643 (compute_flow_insensitive_aliasing): Grouping now happens in our
19645 (setup_pointers_and_addressables): Remove clobbering related code.
19646 (add_may_alias): Ditto.
19647 (replace_may_alias): Ditto.
19648 (get_nmt_for): Ditto.
19649 (create_global_var):
19650 (is_escape_site): Return an escape_type enumeration.
19651 * tree-flow-inline.h (is_call_clobbered): Global var does not
19652 imply call clobbered.
19653 (mark_call_clobbered): Take a reason for marking this. Remove
19654 marking of globalness, and cache invalidation.
19655 (clear_call_clobbered): Remove cache invalidation code.
19656 * tree-dfa.c (dump_variable): If details is on, dump the reason
19658 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19660 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19661 (struct var_ann_d): Ditto.
19662 (enum escape_type): New.
19663 (mark_call_clobbered): Adjust prototype.
19664 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19665 are never call clobbered.
19666 Record reasons for escaping.
19667 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19668 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19669 (ssa_ro_call_cache_valid): Ditto.
19670 (clobbered_v_may_defs): Ditto.
19671 (clobbered_vuses): Ditto.
19672 (ro_call_vuses): Ditto.
19673 (clobber_stats): New.
19674 (init_ssa_operands): Zero out clobber stats.
19675 (fini_ssa_operands): Print out clobber stats.
19676 (get_call_expr_operands): Pass callee fndecl to
19677 add_call_read_ops).
19678 (add_call_clobber_ops): Remove use of cache.
19679 Add use of PURE_CONST information.
19680 (add_call_read_ops): Remove use of cache.
19681 Add use of static not_read information.
19683 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19685 Introduce TLS descriptors for i386 and x86_64.
19686 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19687 (TARGET_ANY_GNU_TLS): New macro.
19688 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19689 (struct machine_function): Add tls_descriptor_call_expanded_p.
19690 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19691 (ix86_current_function_calls_tls_descriptor): Likewise.
19692 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19693 (override_options): Introduce gnu2 tls dialect.
19694 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19696 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19698 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19699 (ix86_init_machine_status): Initialize new field.
19700 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19701 (ix86_tls_module_base): New.
19702 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19703 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19704 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19705 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19706 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19707 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19708 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19709 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19710 * config/i386/predicates.md (tls_modbase_operand): New.
19711 (tp_or_register_operand): New.
19713 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19715 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19716 (look_for_address_of): Ditto.
19717 (ipa_init): Walk the function decls.
19718 (static_execute): Don't set readonly on FUNCTION_DECL's.
19720 2006-01-18 Roger Sayle <roger@eyesopen.com>
19722 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19723 for shifts where the source and destination registers are different.
19725 2006-01-18 Paul Brook <paul@codesourcery.com>
19727 Merge from csl-arm-branch.
19728 2005-03-14 Julian Brown <julian@codesourcery.com>
19729 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19730 (aeabi_llsl): Likewise.
19731 (ashrdi3): Likewise.
19732 (aeabi_lasr): Likewise.
19733 (lshrdi3): Likewise.
19734 (aeabi_llsr): Likewise.
19735 2005-03-10 Julian Brown <julian@codesourcery.com>
19736 * config.gcc: Disable shared libgcc for SymbianOS.
19737 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19739 2006-01-18 DJ Delorie <dj@redhat.com>
19741 * c-pragma.c (handle_pragma_diagnostic): New.
19742 (init_pragma): Register it.
19743 * doc/extend.texi: Document it.
19745 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19746 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19747 (diagnostic_context): Add classify_diagnostic[].
19748 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19749 as errors if they're overridden to DK_WARNING.
19750 (diagnostic_initialize): Initialize classify_diagnostic[].
19751 (diagnostic_set_kind_override): New.
19752 (diagnostic_report_diagnostic): Check for kind changes.
19753 * opts.c (common_handle_option): Take lang_mask. Update callers.
19754 Handle OPT_Werror_.
19755 * common.opt (Werror=): New.
19756 * doc/invoke.texi: Document -Werror=*
19758 2006-01-18 Jeff Law <law@redhat.com>
19760 * tree-vrp.c (test_for_singularity): Correct test for new
19761 min limit. Use operand_equal_p rather than pointer equality
19762 for testing if new min/max values are equal.
19764 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19765 using range information until after propagation and folding.
19767 2006-01-18 Richard Henderson <rth@redhat.com>
19768 Aldy Hernandez <aldyh@redhat.com>
19769 Jakub Jelinek <jakub@redhat.com>
19770 Diego Novillo <dnovillo@redhat.com>
19772 * omp-low.c: New file.
19773 * c-omp.c: New file.
19775 2006-01-18 Richard Henderson <rth@redhat.com>
19776 Jakub Jelinek <jakub@redhat.com>
19777 Diego Novillo <dnovillo@redhat.com>
19779 * doc/invoke.texi: Document -fopenmp.
19780 * tree-dump.h (debug_function): Declare.
19781 * hooks.c (hook_bool_tree_bool_false): New function.
19782 (hook_tree_tree_null): Remove.
19783 (hook_tree_tree_tree_null): New.
19784 * hooks.h: Update to match.
19785 * tree-pretty-print.c (debug_tree_chain): New.
19786 (print_generic_expr): Handle TDF_CHAIN.
19787 (dump_generic_node): Handle BLOCK.
19788 Do not abort with incomplete SWITCH_EXPRs.
19789 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19790 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19791 print space after directive name.
19792 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19793 Handle OMP_MASTER and OMP_ORDERED.
19794 Handle printing of OMP_BODY just in one place, goto
19795 dump_omp_body in the rest of OMP_* nodes that have
19797 Don't handle clause nodes here. Update omp statements to
19798 use dump_omp_clauses.
19799 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19800 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19801 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19802 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19803 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19804 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19805 Adjust output for GOMP_PARALLEL.
19806 (dump_omp_clauses): New.
19807 (print_declaration): Dump DECL_VALUE_EXPR.
19808 (op_symbol_1): Split out of op_symbol.
19809 (dumping_stmts): Remove. Update all users.
19810 * cgraph.c (cgraph_analyze_queue): New.
19811 (cgraph_add_new_function): New.
19812 * cgraph.h (cgraph_analyze_queue): Declare.
19813 (cgraph_add_new_function): Declare.
19814 (cgraph_lower_function): Remove.
19815 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19816 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19817 and TYPE_P nodes in its default clause.
19818 (empty_body_p): New.
19819 (tree_range_check_failed): New.
19820 (build5_stat): New.
19821 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19822 OMP_CLAUSE_REDUCTION_MERGE,
19823 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19824 OMP_CLAUSE_PRIVATE_DEBUG,
19825 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19826 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19827 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19828 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19829 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19830 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19831 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19832 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19833 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19834 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19835 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19836 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19837 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19838 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19839 (TREE_RANGE_CHECK): New.
19840 (empty_body_p): Declare.
19841 (enum omp_clause_default_kind): New.
19842 (build_string_literal): Declare.
19843 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19844 (build5_stat, build5): Declare.
19845 * tree-pass.h (TDF_CHAIN): Define.
19846 * tree-pass.h (PROP_gimple_lomp): Define.
19847 (pass_lower_omp): Declare.
19848 * diagnostic.h (debug_tree_chain): Declare.
19849 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19851 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19852 * builtins.c (build_string_literal): Make extern.
19853 * gcc.c (include_spec_function): New.
19854 (static_spec_functions): Add it.
19855 (main): Move load of libgomp.spec ...
19856 (LINK_COMMAND_SPEC): ... here.
19857 (link_gomp_spec): New.
19858 (static_specs): Include it.
19859 (LINK_COMMAND_SPEC): Add link_gomp.
19860 (GOMP_SELF_SPECS): New.
19861 (driver_self_specs): Include it.
19862 (switch_matches): Don't mark inline.
19863 (main): Load libgomp.spec.
19864 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19865 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19866 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19867 * tree-gimple.h (enum omp_parallel): Declare.
19868 (determine_parallel_type): Declare.
19869 (omp_firstprivatize_variable): Declare.
19870 (omp_reduction_init): Declare.
19871 (diagnose_omp_structured_block_errors): Declare.
19872 (struct walk_stmt_info): Add want_return_expr.
19873 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19874 (find_omp_clause): Declare.
19875 (insert_field_into_struct): Declare.
19876 (struct walk_stmt_info): Move from tree-nested.c
19877 (walk_stmts): Declare.
19878 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19880 * cgraphunit.c (cgraph_lower_function): Make static.
19881 (cgraph_finalize_pending_functions): New.
19882 (cgraph_finalize_function): Call it.
19883 (cgraph_finalize_compilation_unit): Likewise.
19884 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19885 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19886 (BT_FN_UINT_UINT): New.
19887 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19888 DEF_FUNCTION_TYPE_VAR_4): Document.
19889 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19890 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19891 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19892 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19893 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19894 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19895 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19896 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19897 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19898 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19899 into separate files.
19900 (DEF_GOMP_BUILTIN): New.
19901 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19902 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19903 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19904 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19905 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19906 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19907 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19908 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19909 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19910 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19911 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19912 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19913 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19914 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19915 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19916 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19917 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19918 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19919 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19920 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19921 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19922 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19923 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19924 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19925 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19926 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19927 * sync-builtins.def: New file, moved from builtins.def.
19928 * omp-builtins.def: New file, moved from builtins.def.
19929 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19930 * gimple-low.c (lower_function_body): Clear data.
19931 (lower_stmt): Do not handle COMPOUND_EXPR.
19932 Remove call to print_node_brief.
19933 * c-tree.h (c_finish_omp_clauses): New prototype.
19934 (C_DECL_THREADPRIVATE_P): Define.
19935 (lookup_name_no_remap, c_omp_remap_private): Remove
19936 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19937 (check_for_loop_decls): Update decl.
19938 (lookup_name_no_remap, c_omp_remap_private): Declare.
19939 (build_indirect_ref, build_modify_expr, pushdecl,
19940 pushdecl_top_level): Move to c-common.h.
19941 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19942 before the switch, but just in the 2 places that need it.
19943 * c-decl.c (diagnose_mismatched_decls): Do not check for
19944 mismatched thread-local attributes when OLDDECL is marked
19945 threadprivate and NEWDECL has no thread-local attributes.
19946 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19947 (c_gimple_diagnostics_recursively): Rename from
19948 c_warn_unused_result_recursively. Invoke
19949 diagnose_omp_structured_block_errors.
19950 (check_for_loop_decls): Return a singular decl found.
19951 * langhooks.c (lhd_omp_predetermined_sharing): Return
19952 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19953 (lhd_omp_firstprivatize_type_sizes): New.
19954 (lhd_omp_assignment): New.
19955 (lhd_omp_predetermined_sharing): New.
19956 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19957 (struct lang_hooks_for_types): Add
19958 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19959 omp_predetermined_sharing, omp_disregard_value_expr,
19960 omp_private_debug_clause, omp_clause_default_ctor,
19961 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19962 (c_finish_omp_clauses): New.
19963 (c_finish_bc_stmt): Diagnose break within omp for.
19964 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19965 (build_unary_op): Return error_mark after reporting
19967 (build_modify_expr): Likewise.
19968 * gimplify.c: Include optabs.h and pointer-set.h.
19969 (enum gimplify_omp_var_data): Declare.
19970 (struct gimplify_omp_ctx): Declare.
19971 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19973 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19974 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19975 (splay_tree_compare_decl_uid): New.
19976 (new_omp_context): New.
19977 (delete_omp_context): New.
19978 (gimple_add_tmp_var): Call omp_add_variable.
19979 (gimplify_bind_expr): Likewise.
19980 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19981 true, disregard DECL_VALUE_EXPR on the decl if any.
19982 (gimplify_expr_in_ctx): New.
19983 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19984 omp_add_variable, omp_notice_variable, omp_is_private
19985 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19986 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19987 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19988 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19989 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19990 gimplify_omp_atomic): New.
19991 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19992 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19993 OMP_CRITICAL and OMP_ATOMIC.
19994 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19995 * c-pragma.h (enum pragma_kind): Add
19996 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19997 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19998 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19999 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20000 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20001 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20002 PRAGMA_OMP_THREADPRIVATE.
20003 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20004 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20005 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20006 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20007 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20008 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20009 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20010 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20011 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20012 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20013 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20014 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20015 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20017 (struct nesting_info): Add field_map,
20018 suppress_expansion, debug_var_chain.
20019 (create_nesting_tree): Initialize them.
20020 (lookup_field_for_decl): Use field_map.
20021 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20022 (convert_local_omp_clauses): New.
20023 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20024 (walk_body): Split out of walk_function.
20025 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20026 (convert_nonlocal_reference): Handle omp statements.
20027 (convert_local_reference): Likewise.
20028 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20029 (unnest_nesting_tree): New.
20030 (lower_nested_functions): Call it.
20031 (insert_field_into_struct): Make extern.
20032 (struct walk_stmt_info): Move to tree-gimple.h.
20033 (walk_stmts): Make extern.
20034 * omp-builtins.def: New file.
20035 * tree-iterator.c (expr_only): Clarify comment.
20036 * c-common.h (pushdecl_top_level, pushdecl,
20037 build_modify_expr, build_indirect_ref,
20038 c_finish_omp_master, c_finish_omp_critical,
20039 c_finish_omp_ordered, c_finish_omp_barrier,
20040 c_finish_omp_atomic, c_finish_omp_flush,
20041 c_finish_omp_for, c_split_parallel_clauses,
20042 omp_clause_default_kind, c_omp_sharing_predetermined,
20043 c_omp_remap_decl): Declare.
20044 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20045 (OBJS-common): Add omp-low.o.
20046 (c-omp.o, omp-low.o): Add.
20047 (gimplify.o): Add dependency on $(OPTABS_H).
20048 (GTFILES): Add omp-low.c.
20049 (gt-stringpool.h): Add.
20050 * tree-cfg.c (set_bb_for_stmt): Do not update the
20051 block-to-labels map if we are currently expanding to RTL.
20052 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20054 Handle IDENTIFIER_NODE.
20055 (tree_verify_flow_info): Do not ICE when emitting error
20056 messages about invalid labels.
20057 (dump_function_to_file): Reset CFUN before emitting the body
20059 (debug_function): New.
20060 * passes.c (init_optimization_passes): Schedule
20062 * langhooks-def.h (lhd_omp_predetermined_sharing,
20063 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20065 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20066 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20067 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20068 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20069 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20070 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20071 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20072 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20073 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20074 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20075 (LANG_HOOK_DECLS): Use them.
20077 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20078 Richard Henderson <rth@redhat.com>
20079 Jakub Jelinek <jakub@redhat.com>
20080 Diego Novillo <dnovillo@redhat.com>
20082 * c-parser.c (pragma_omp_clause): Define.
20083 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20084 (c_parser_compound_statement): Likewise.
20085 (c_parser_statement): Likewise.
20086 (c_parser_pragma): Handle omp pragmas.
20087 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20088 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20089 (c_parser_omp_clause_name, check_no_duplicate_clause,
20090 c_parser_omp_variable_list,
20091 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20092 c_parser_omp_clause_copyprivate,
20093 c_parser_omp_clause_default,
20094 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20095 c_parser_omp_clause_lastprivate,
20096 c_parser_omp_clause_nowait,
20097 c_parser_omp_clause_num_threads,
20098 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20099 c_parser_omp_clause_reduction,
20100 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20101 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20102 c_parser_omp_atomic, c_parser_omp_barrier,
20103 c_parser_omp_critical, c_parser_omp_flush,
20104 c_parser_omp_for_loop, c_parser_omp_for,
20105 c_parser_omp_master, c_parser_omp_ordered,
20106 c_parser_omp_sections_scope, c_parser_omp_sections,
20107 c_parser_omp_parallel, c_parser_omp_single,
20108 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20109 * c-pragma.c (init_pragma): Do omp pragma registration here.
20110 * c.opt (fopenmp): New flag.
20112 2006-01-18 Eric Christopher <echristo@apple.com>
20114 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20115 * config/darwin.h (GOMP_SELF_SPECS): Define.
20117 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20119 * rtl.h: Remove the prototype for reg_alloc.
20121 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20124 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20125 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20126 sjlj and dwarf2 exception handling.
20127 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20128 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20129 * pa/pa.c (function_value): Treat complex and vector types as
20131 (function_arg): Likewise. Only pass scalar floats in the floating
20132 point argument registers.
20133 * pa/t-slibgcc-dwarf-ver: New file.
20134 * pa/t-slibgcc-sjlj-ver: New file.
20135 * pa/t-slibgcc-elf-ver: Delete file.
20137 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20139 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20140 unlikely_test_section_p test.
20142 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20144 * mode-switching.c (optimize_mode_switching): Make it static.
20145 * basic-block.h: Remove the prototype for
20146 optimize_mode_switching.
20148 * modulo-sched.c (sms_schedule): Make it static.
20149 * rtl.h: Remove the prototype for sms_schedule.
20151 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20152 * rtl.h: Remove the prototype for gcse_after_reload_main.
20154 * reg-stack.c (reg_to_stack): Make it static.
20155 * rtl.h: Remove the prototype for reg_to_stack.
20157 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20159 * rtl.h: Remove the prototypes for regrename_optimize and
20160 copyprop_hardreg_forward.
20162 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20164 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20165 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20166 Test against the appropriate null constant for the mode.
20167 If 'fixup_overlap' is true, swap the operands if they overlap.
20168 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20169 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20170 alpha_split_tmode_pair and adjust for above change.
20171 * config/alpha/alpha.md (movtf_internal): Adjust call to
20172 alpha_split_tfmode_pair and rely on it to swap the operands.
20173 (movti_internal): New insn and post-reload splitter.
20174 (movti): New expander.
20176 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20178 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20181 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20183 * rtlanal.c (global_reg_mentioned_p_1,
20184 global_reg_mentioned_p): Remove.
20185 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20187 * flow.c (initialize_uninitialized_subregs): Make it static.
20188 * rtl.h: Remove the prototype for
20189 initialize_uninitialized_subregs.
20191 * function.c (instantiate_virtual_regs): Make it static.
20192 * function.h: Remove the prototype for
20193 instantiate_virtual_regs.
20195 * regmove.c (regmove_optimize, combine_stack_adjustments):
20197 * rtl.h: Remove the prototypes for regmove_optimize and
20198 combine_stack_adjustments.
20200 2006-01-17 Roger Sayle <roger@eyesopen.com>
20202 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20203 (size_cost): Encode costs in bytes so that a reg-reg addition is
20204 equivalent to COSTS_N_INSNS(1).
20205 (override_options): Use the size_cost.branch_cost as the default
20206 ix86_branch_cost when optimizing for size.
20208 2006-01-18 Ben Elliston <bje@au.ibm.com>
20210 * Makefile.in (D32PBIT_FUNCS): New.
20211 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20212 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20213 D64PBIT_FUNCS and D128PBIT_FUNCS.
20214 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20215 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20217 (decnumber_dep): Define.
20218 * doc/libgcc.texi (Decimal float library routines): New node.
20219 * config/dfp-bit.h, config/dfp-bit.c: New files.
20221 2006-01-18 Ben Elliston <bje@au.ibm.com>
20223 * expr.c (emit_move_change_mode): Always adjust addresses, not
20224 just during reload. Copy replacements only during reload.
20225 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20226 emit_move_via_integer.
20228 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20230 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20231 instead of $(srcdir) and ${srcdir}.
20233 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20236 PR middle-end/11135
20237 * arm.h (struct machine_function): Add pic_reg.
20238 * arm.c (arm_pic_register): Make unsigned.
20239 (arm_override_options): Only set arm_pic_register if
20240 TARGET_SINGLE_PIC_BASE.
20241 (use_return_insn): Only test for a pic register if it is fixed.
20242 (arm_compute_save_reg0_reg12_mask): Likewise.
20243 (thumb_compute_save_reg_mask): Likewise.
20244 (legitimate_pic_operand): Factor out some known invariants.
20245 (legitimize_pic_address): If we don't have a fixed pic register,
20246 then set up a pseudo in the function entry sequence. Handle the
20247 pic base being in a pseudo.
20248 (arm_load_pic_register): Handle the pic register being in a pseudo.
20249 (arm_expand_prologue): Only set up the pic register if it is fixed.
20250 (thumb_expand_prologue): Likewise.
20251 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20252 (pic_load_addr_based_insn): Likewise.
20253 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20256 2006-01-18 Ben Elliston <bje@au.ibm.com>
20258 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20259 decimal float modes for all floating point registers.
20261 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20262 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20264 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20267 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20268 even when the pointer is not NULL.
20270 2006-01-16 Ian Lance Taylor <ian@airs.com>
20272 * common.opt (ftoplevel-reorder): New option.
20273 * cgraph.c (cgraph_asm_nodes): New global variable.
20274 (cgraph_asm_last_node): New static variable.
20275 (cgraph_order): New global variable.
20276 (cgraph_create_node): Set new order field.
20277 (cgraph_varpool_node): Likewise.
20278 (decide_is_variable_needed): Return true if not
20279 flag_toplevel_reorder.
20280 (cgraph_add_asm_node): New function.
20281 * cgraph.h (struct cgraph_node): Add order field.
20282 (struct cgraph_varpool_node): Add order field.
20283 (struct cgraph_asm_node): Define.
20284 (cgraph_asm_nodes, cgraph_order): Declare.
20285 (cgraph_add_asm_node): Declare.
20286 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20288 (cgraph_varpool_assemble_pending_decls): Call it.
20289 (cgraph_output_pending_asms): New static function.
20290 (cgraph_finalize_compilation_unit): Call it.
20291 (struct cgraph_order_sort): Define.
20292 (cgraph_output_in_order): New static function.
20293 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20294 !flag_toplevel_reorder case.
20295 * c-parser.c: Include "cgraph.h".
20296 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20298 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20299 than -fno-unit-at-a-time.
20300 * doc/invoke.texi (Option Summary): Mention
20301 -fno-toplevel-reorder.
20302 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20303 -funit-at-a-time documentation.
20305 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20306 Kazu Hirata <kazu@codesourcery.com>
20308 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20310 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20312 * Makefile.in (FUNCTION_H): New. Use it instead of
20313 function.h throughout the file.
20314 * function.h: Include tree.h.
20316 2006-01-17 Ben Elliston <bje@au.ibm.com>
20318 * recog.c: Separate some functions with whitespace.
20320 2006-01-16 Richard Henderson <rth@redhat.com>
20322 Merge from gomp branch:
20323 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20324 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20325 and rename from struct inline_data. Rename callee* to dst*;
20326 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20327 transform_new_cfg, transform_return_to_modify, and
20328 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20330 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20331 (copy_decl_for_dup): Remove.
20332 * tree-inline.c (struct inline_data): Move to header.
20333 (insert_decl_map): Export.
20334 (remap_decl): Update for member name changes. Use copy_decl hook.
20335 Allow for replacement to be a non-decl. Remove dead code.
20336 (remap_type_1): Check for existing mapping.
20337 (remap_type): Export.
20338 (remap_decls): Update for member name changes.
20339 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20340 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20341 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20342 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20343 (tree_function_versioning, build_duplicate_type): Likewise.
20344 (copy_body_r): Likewise. Export.
20345 (copy_decl_for_dup): Split into ...
20346 (copy_decl_for_dup_finish, copy_decl_to_var,
20347 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20348 (replace_ref_tree, inlining_p): Remove.
20350 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20352 * ifcvt.c (if_convert): Make it static.
20353 * rtl.h: Remove the prototype for if_convert.
20355 * local-alloc.c (local_alloc): Make it static.
20356 * rtl.h: Remove the prototype for local_alloc.
20358 * loop.c (loop_optimize): Make it static.
20359 * cfgloop.h: Remove the prototype for loop_optimize.
20362 2006-01-16 DJ Delorie <dj@redhat.com>
20364 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20367 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20369 * pa.md: Disparage copies between general and floating-point registers
20370 in 32-bit move patterns.
20372 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20375 * Makefile.in (check-%): Depend on site.exp instead of
20376 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20379 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20381 * global.c (global_alloc): Make it static.
20382 * rtl.h: Remove the prototype for global_alloc.
20384 2006-01-16 Richard Guenther <rguenther@suse.de>
20386 * tree-ssa-alias.c (struct used_part): Add write_only field.
20387 (get_or_create_used_part_for): Initialize it to true.
20388 (create_overlap_variables_for): Don't create structure variables
20389 for structures that only are written to.
20390 (find_used_portions): Handle MODIFY_EXPR to track whether a
20391 structure is only written to.
20393 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20395 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20397 * basic-block.h: Remove the prototype for
20398 partition_hot_cold_basic_blocks.
20400 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20402 * cppspec.c (lang_specific_spec_functions): Remove.
20403 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20404 * gcc.h (lang_specific_spec_functions): Remove.
20405 * gccspec.c (lang_specific_spec_functions): Remove.
20407 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20409 * combine.c (record_value_for_reg): Invalidate registers
20411 (record_dead_and_set_regs_1): Likewise, by passing them to
20412 record_value_for_reg.
20413 (record_dead_and_set_regs): Invalidate stores made by a
20414 call. We do not combine across a call, but we still
20415 relied on equivalences.
20417 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20419 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20420 vrp_int_const_binop returning non-constant nodes.
20422 2006-01-16 Paul Brook <paul@codesourcery.com>
20424 * config/m68k/m68k.c (output_move_const_into_data_reg):
20425 Output correct mnemonic for mvz and mvs.
20427 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20429 * rtl-factoring.c: Add sequence abstraction algorithm.
20430 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20431 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20433 (block_has_preserve_label): New function.
20434 * common.opt: Register new pass.
20435 * Makefile.in: Ditto.
20437 * timevar.def: Ditto.
20438 * tree-pass.h: Ditto.
20439 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20440 * rtl.h (make_jump_insn_raw): Add forward decl.
20441 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20443 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20444 Roger Sayle <roger@eyesopen.com>
20446 * fold-const.c (fold_minmax): New static function.
20447 (fold_binary) <MIN_EXPR>: Call it.
20448 <MAX_EXPR>: Likewise.
20449 * stor-layout.c (place_field): Use DECL_SIZE consistently
20450 in the computation of the new record size.
20452 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20454 * cse.c (cse_condition_code_reg): Make it static.
20455 * rtl.h: Remove the prototype for cse_condition_code_reg.
20457 * combine.c (combine_instructions): Make it static.
20458 * rtl.h: Remove the prototype for combine_instructions.
20460 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20463 * tree.c (get_file_function_name_long): Concatenate the first global
20464 object name with a string derived from the input filename of the object
20467 2006-01-16 Ben Elliston <bje@au.ibm.com>
20469 * config/i386/winnt-stubs.c: Update FSF address.
20470 * config/xtensa/ieee754-df.S: Ditto.
20471 * config/xtensa/ieee754-sf.S: Ditto.
20473 2006-01-14 Ian Lance Taylor <ian@airs.com>
20475 * ifcvt.c (noce_init_if_info): New static function, broken out of
20476 noce_process_if_block.
20477 (noce_process_if_block): Call noce_init_if_info.
20478 (check_cond_move_block): New static function.
20479 (cond_move_process_if_block): New static function.
20480 (process_if_block): Call cond_move_process_if_block.
20482 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20484 * cselib.c (hash_table): Rename to cselib_hash_table.
20485 (cselib_clear_table, discard_useless_values,
20486 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20487 cselib_init, cselib_finish): Adjust uses of hash_table.
20489 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20491 PR tree-optimization/25485
20492 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20493 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20494 is known to be false and true, respectively.
20496 2006-01-14 Richard Guenther <rguenther@suse.de>
20498 PR tree-optimization/22548
20499 PR tree-optimization/22555
20500 PR tree-optimization/22501
20501 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20502 * params.def (salias-max-array-elements): New parameter.
20503 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20504 * doc/invoke.texi (salias-max-array-elements): Document.
20505 * tree-flow-inline.h (var_can_have_subvars): We also handle
20507 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20509 * tree-ssa-structalias.c (params.h): Include.
20510 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20511 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20512 (get_constraint_for): For ADDR_EXPR operating on something
20513 containing an ARRAY_REF, add all subvars to the solution.
20514 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20515 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20516 for creating MUST_DEFs.
20517 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20519 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20521 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20523 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20524 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20525 number_of_iterations_le): New functions.
20526 (number_of_iterations_special): Removed.
20527 (number_of_iterations_exit): Do not use number_of_iterations_special.
20528 * tree.c (unsigned_type_for): Always return integer type.
20530 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20531 Richard Guenther <rguenther@suse.de>
20533 PR rtl-optimization/24257
20534 * gcse.c (find_moveable_store): Only consider a store movable
20535 when the SET_SRC of the insn can be assigned to a register.
20537 2006-01-14 Ian Lance Taylor <ian@airs.com>
20539 * tree.c (tree_not_class_check_failed): New function.
20540 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20541 (tree_not_class_check_failed): Declare.
20543 2006-01-13 Ian Lance Taylor <ian@airs.com>
20545 * reload1.c (do_output_reload): Add assertion rejecting a
20548 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20550 * combine.c (struct reg_stat): Add new fields truncation_label and
20552 (record_value_for_reg): Reset truncated_to_mode.
20553 (record_truncated_value): New function.
20554 (check_promoted_subreg): Call it. Rename to check_conversions.
20555 (combine_instructions): Rename check_promoted_subreg to
20557 (reg_truncated_to_mode): New function.
20558 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20559 (gen_lowpart_or_truncate): New function.
20560 (force_to_mode): Use it instead of gen_lowpart.
20562 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20564 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20565 VAR is a tag, not its type tag.
20567 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20569 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20570 alternatives to match style of other entries.
20571 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20573 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20575 PR tree-optimization/25771
20576 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20579 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20582 * tree-inline.c (declare_return_variable): If the return variable
20583 was marked as a non gimple complex, set the return slot variable
20584 to be a non gimple comple variable.
20586 2006-01-13 Richard Guenther <rguenther@suse.de>
20588 * builtins.c (expand_builtin_sincos): New function.
20589 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20591 (expand_builtin): Expand sincos using expand_builtin_sincos.
20593 2006-01-12 DJ Delorie <dj@redhat.com>
20595 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20596 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20597 so that constant shifts can be split.
20598 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20599 (m32c_valid_pointer_mode): Make static.
20600 (shift_gen_func_for): New.
20601 (m32c_prepare_shift): Use it. Split large const shifts into
20603 * config/m32c/predicates.md (shiftcount_operand): Allow more
20605 (longshiftcount_operand): New.
20606 * doc/md.texi (Machine Constraints): Document In6.
20608 2006-01-13 Ben Elliston <bje@au.ibm.com>
20610 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20611 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20614 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20616 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20617 to try to avoid clobbering pieces of structures when we know
20618 something about the whole structure.
20619 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20621 2006-01-13 Ben Elliston <bje@au.ibm.com>
20623 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20624 return in memory, as this is no limitation is no longer present.
20626 2006-01-12 DJ Delorie <dj@redhat.com>
20628 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20629 mova with fb, and for fb+0 -> An.
20631 * config/m32c/mov.md (peephole2): Fix enabling logic.
20633 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20634 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20635 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20636 FINI_ARRAY_SECTION_ASM_OP): Define.
20638 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20640 (m32c_legitimize_reload_address): New logic to reload FB to An.
20641 (m32c_output_reg_push): Add newline.
20642 (m32c_output_reg_pop): Likewise.
20644 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20646 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20648 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20650 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20652 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20654 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20657 2006-01-11 Ben Elliston <bje@au.ibm.com>
20659 * rtlanal.c (find_reg_note): Assert insn is not null.
20661 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20663 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20666 2006-01-11 Jeff Law <law@redhat.com>
20668 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20670 (mark_threaded_blocks, register_jump_thread): New functions.
20671 (thread_through_all_blocks): Remove unwanted argument. No
20672 longer rely on e->aux to communicate thread target info.
20673 Call mark_threaded_blocks. Release the threaded_blocks
20674 bitmap and threaded_edges vector when complete.
20675 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20676 (threaded_blocks): Remove.
20677 (tree_ssa_dominator_optimize): Remove initialization and
20678 finalization of threaded_blocks. Simplify call to
20679 thread_through_all_blocks.
20680 (thread_across_edge): Call register_jump_thread rather than
20681 storing thread information into e->aux.
20682 (free_all_edge_infos): Simplify now that e->aux is no longer
20683 used to communicate with thread_through_all_blocks.
20684 * tree-flow.h (thread_through_all_blocks): Update prototype.
20685 (register_jump_thread): Prototype.
20687 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20689 * df-core.c (df_compact_blocks, df_bb_replace): Use
20690 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20692 2006-01-11 Richard Guenther <rguenther@suse.de>
20694 PR tree-optimization/25734
20695 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20696 stop propagation after successful propagation to the LHS.
20698 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20700 * basic-block.h (control_flow_graph): Change the type of
20701 x_basic_block_info to VEC(basic_block,gc) *.
20702 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20704 (SET_BASIC_BLOCK): New.
20705 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20706 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20707 * cfgbuild.c (find_basic_blocks): Likewise.
20708 * cfglayout.c (fixup_reorder_chain): Likewise.
20709 * cfgrtl.c (create_basic_block_structure,
20710 rtl_create_basic_block): Likewise.
20711 * ifcvt.c (find_if_case_1): Likewise.
20712 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20715 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20717 * Makefile.in: Removed rotted odf.c entry.
20719 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20722 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20723 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20724 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20725 output pattern modifier, not %e.
20726 * config/cris/cris.c (cris_op_str): Update comment about pattern
20728 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20729 before falling through into...
20730 <case 'E'>: Redefined from old 'e' case.
20732 2006-01-11 Jan Hubicka <jh@suse.cz>
20735 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20737 2006-01-11 Jan Hubicka <jh@suse.cz>
20739 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20740 * i386.c (x86_decompose_lea): Kill.
20741 (ix86_rtx_costs): Kill.
20743 2006-01-11 Jan Hubicka <jh@suse.cz>
20745 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20746 * cgraph.h (cgraph_node): Add inline_decl.
20747 (cgraph_insert_node_to_hashtable): Declare.
20748 (save_inline_function_body): Declare.
20749 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20751 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20752 (cgraph_function_versioning): Update call of tree_function_versioning.
20753 (save_inline_function_body): New function.
20754 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20755 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20756 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20757 (cgraph_default_inline_p): Likewise.
20758 (cgraph_decide_inlining_incrementally): Likewise.
20759 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20760 (copy_bb): Kill saving; do updating of clones.
20761 (copy_cfg_body): Kill saving.
20762 (initialize_inlined-parameters): Likewise.
20763 (expand_call_inline): Likewise.
20765 (tree_function_versioning): New parameter "update_clones".
20766 (inlining_p): Kill saving.
20767 * tree-inline.h (tree_function_versioning): Update prototype.
20768 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20771 2006-01-11 Ian Lance Taylor <ian@airs.com>
20773 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20774 Allow undoing set of machine mode.
20775 (do_SUBST): Use enums instead of is_int.
20776 (do_SUBST_MODE): New function.
20777 (SUBST_MODE): New macro.
20778 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20779 reg and trying to replace reg_regno_rtx with a new register.
20780 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20781 (simplify_set): Use SUBST_MODE.
20782 (distribute_notes): Remove code that tried to update reg notes
20783 for regno_reg_rtx changes.
20785 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20787 PR tree-optimization/23109
20788 PR tree-optimization/23948
20789 PR tree-optimization/24123
20791 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20792 * tree-cfg.c (single_noncomplex_succ): New.
20793 * tree-flow.h (single_noncomplex_succ): Declare it.
20794 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20795 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20796 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20797 insert_bb, register_division_in, insert_reciprocals,
20798 replace_reciprocal, free_bb): New.
20799 (execute_cse_reciprocals_1): Rewritten.
20800 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20801 Do not commit any edge insertion. Always compute dominators and
20802 create the allocation pool.
20803 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20804 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20805 * targhooks.c (default_min_divistions_for_recip_mul): New.
20806 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20807 * passes.c (init_optimization_passes): Run recip after tree loop
20809 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20811 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20812 Kenneth Zadeck <zadeck@naturalbridge.com>
20814 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20815 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20816 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20817 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20818 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20819 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20820 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20821 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20822 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20823 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20824 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20825 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20826 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20827 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20828 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20829 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20830 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20831 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20832 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20833 DF_SCAN_POST_ALLOC): New macros.
20834 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20835 df_free_bb_function, df_local_compute_function, df_init_function,
20836 df_dataflow_function, df_confluence_function_0,
20837 df_confluence_function_n, df_transfer_function,
20838 df_finalizer_function, df_free_function, df_dump_problem_function,
20839 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20840 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20841 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20842 df_urec_bb_info, ) New types.
20843 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20845 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20846 df_analyze_simple_change_some_blocks,
20847 df_analyze_simple_change_one_block, df_compact_blocks,
20848 df_bb_replace, df_bb_regno_last_use_find,
20849 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20850 df_insn_regno_def_p, df_find_def, df_find_use,
20851 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20852 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20853 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20854 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20855 debug_df_chain, df_get_dependent_problem, df_chain_create,
20856 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20857 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20858 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20859 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20860 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20861 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20862 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20863 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20864 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20865 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20866 df_reorganize_refs, df_set_state, df_hard_reg_init,
20867 df_read_modify_subreg_p) New public functions.
20868 * df-core.c: The core dataflow solver and glue routines for rtl
20870 (df_init, df_add_problem, df_set_blocks, df_finish,
20871 df_hybrid_search_forward, df_hybrid_search_backward,
20872 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20873 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20874 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20875 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20876 df_reg_defined, df_find_use, df_reg_used, df_dump,
20877 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20878 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20879 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20880 debug_df_useno, reset_df_after_reload): New functions.
20881 * df-scan.c: The scanning fuctions, once in df.c, completely
20882 rewritten so that they now fully model the functionality of
20883 register usage at the backend.
20884 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20885 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20886 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20887 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20888 df_get_artificial_defs, df_get_artificial_uses,
20889 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20890 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20891 df_refs_delete, df_reorganize_refs, df_set_state,
20892 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20893 df_def_record_1, df_defs_record, df_uses_record,
20894 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20895 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20896 df_record_exit_block_uses, df_hard_reg_init): New functions.
20898 * df-problems.c: Seven concrete dataflow problems that use the
20899 scanning in df-scan.c and are solved by the engine in df-core.c.
20900 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20901 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20902 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20903 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20904 df_ru_free_bb_info, df_ru_alloc,
20905 df_ru_bb_local_compute_process_def,
20906 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20907 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20908 df_ru_transfer_function, df_ru_free, df_ru_dump,
20909 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20910 df_rd_free_bb_info, df_rd_alloc,
20911 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20912 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20913 df_rd_transfer_function, df_rd_free, df_rd_dump,
20914 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20915 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20916 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20917 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20918 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20919 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20920 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20921 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20922 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20923 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20924 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20925 df_urec_mark_reg_use_for_earlyclobber,
20926 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20927 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20928 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20929 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20930 df_chain_create_bb_process_use, df_chain_create_bb,
20931 df_chain_finalize, df_chain_free, df_chains_dump,
20932 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20933 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20934 df_reg_lifetime): New functions.
20935 * df.c: Deleted file.
20936 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20937 consistent with new df api.
20938 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20939 rest_of_handle_sms): Ditto.
20940 * web.c (unionfind_union, union_defs, entry_register, web_main):
20942 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20943 invariant_expr_equal_p, find_defs, check_dependencies,
20944 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20945 free_inv_motion_data, move_loop_invariants): Ditto.
20946 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20947 Update dependencies.
20948 (odf.c): Added defective entry that was deleted later in day.
20949 * sched-deps.c (sched_analyze_1): Ditto.
20951 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20953 * tree-ssa-operands.c (get_expr_operands): Record addressable
20954 variables directly. Do not call add_stmt_operands for CONST_DECLs
20956 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20957 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20959 2006-01-11 Ben Elliston <bje@au.ibm.com>
20961 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20962 function returns true in the positive case.
20964 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20967 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20968 for SI, DI, SF and DF modes. Add alternatives to copy between
20969 general and floating point registers to the 32-bit patterns.
20970 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20971 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20972 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20973 generating 64-bit code.
20974 * config/pa/pa.c (output_move_double): Handle copies between general
20975 and floating registers.
20977 2006-01-10 Stuart Hastings <stuart@apple.com>
20979 * config/i386/i386.md (set_got): Update.
20980 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20981 (builtin_setjmp_receiver): Mach-O support.
20982 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20983 (GOT_SYMBOL_NAME): Define.
20984 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20985 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20986 * config/i386/i386.c (override_options): Revise for Darwin.
20987 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20988 support. (darwin_x86_file_end): New. (output_set_got): Add label
20989 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20990 * config/i386/i386-protos.h (output_set_got): Likewise.
20991 * config/darwin.c (machopic_legitimize_pic_address): Update
20994 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20996 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20997 when MODE isn't BLKmode.
20999 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21001 PR rtl-optimization/25367
21002 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21004 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21007 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21008 for a negative bound.
21010 2006-01-10 Richard Guenther <rguenther@suse.de>
21012 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21013 Never override with anything constraint.
21015 2006-01-10 Jan Beulich <jbeulich@novell.com>
21017 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21018 256 bits when optimize_size.
21020 2006-01-10 Jan Beulich <jbeulich@novell.com>
21022 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21024 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21025 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21028 2006-01-10 Ben Elliston <bje@au.ibm.com>
21030 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21032 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21033 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21034 (USE_FP_FOR_ARG): Reject decimal float modes.
21035 (function_arg_advance): Likewise.
21036 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21037 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21038 point types in AltiVec vectors.
21039 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21040 (rs6000_libcall_value): Likewise.
21042 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21044 * config/xtensa/ieee754-df.S: New file.
21045 * config/xtensa/ieee754-sf.S: New file.
21046 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21047 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21048 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21050 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21052 * config/sh/predicates.md (binary_float_operator,
21053 binary_logical_operator, commutative_float_operator,
21054 equality_comparison_operator, greater_comparison_operator,
21055 less_comparison_operator, logical_operator,
21056 noncommutative_float_operator, shift_operator,
21057 symbol_ref_operand, unary_float_operator): Remove redundant
21060 2006-01-09 Jeff Law <law@redhat.com>
21062 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21063 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21064 now unused arguments. Callers updated.
21065 (eliminate_redundant_computations): Remove now unused arguments,
21067 (local_fold): Remove, no longer used.
21068 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21070 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21071 (simplify_cond): New function.
21072 (forward_propagate_into_cond): Call simplify_cond.
21074 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21076 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21077 (*vec_extractv2di_1_sse): New.
21079 2006-01-09 Ben Elliston <bje@au.ibm.com>
21081 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21083 2006-01-08 Richard Guenther <rguenther@suse.de>
21085 * tree-ssa-structalias.c (get_constraint_for): Remove
21086 anyoffset argument.
21087 (get_constraint_for_component_ref): Likewise.
21088 (do_deref): Likewise.
21089 (get_constraint_for): Likewise.
21090 (do_structure_copy): Likewise.
21091 (handle_ptr_arith): Likewise.
21092 (find_func_aliases): Likewise. Remove unused need_anyoffset
21095 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21096 Kaz Kojima <kkojima@gcc.gnu.org>
21098 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21099 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21100 (EXTRA_CONSTRAINT_C16): Remove.
21101 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21102 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21103 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21104 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21105 constants of SHmedia. Handle nested constant expressions of
21107 (andcosts): Fix the costs for SHmedia constants.
21108 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21109 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21110 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21111 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21112 (movv4hi_i, movv2si_i): Likewise.
21113 (movsi_const): Adjust the second operand of ior so to match with
21114 the Csu constraint.
21115 (movdi_const, movdi_const_32bit): Likewise.
21116 (movdi_const_16bit+1): Don't sign-extend LOW.
21117 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21119 (*double_shori): Fix the split condition. Use GEN_INT instead
21120 of get_int_mode calls. Mask lower 16-bit of the argument of
21122 (sym2GOTPLT): Remove.
21123 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21125 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21126 instead of EXTRA_CONSTRAINT_C16.
21128 2006-01-07 Ian Lance Taylor <ian@airs.com>
21129 David Edelsohn <edelsohn@gnu.org>
21131 PR rtl-optimization/25662
21132 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21133 for constant operands instead of simplify_gen_binary.
21134 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21135 after trying simplify_binary_operation
21137 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21139 * tree.c (iterative_hash_expr): Hash decls based on UID.
21141 2006-01-06 Eric Christopher <echristo@apple.com>
21143 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21144 (TARGET_UNWIND_EMIT): Fix spelling.
21145 * target.h (gcc_target): Add except_table_label.
21146 * except.c (output_function_exception_table): Use.
21147 * varasm.c (default_emit_except_table_label): New.
21148 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21150 (asm_out): Add here.
21151 * output.h (default_emit_except_table_label): Prototype.
21152 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21153 * config/darwin.c (darwin_emit_except_table_label): Define.
21154 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21156 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21158 PR tree-optimization/18527
21159 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21160 number_of_iterations_special, number_of_iterations_exit):
21161 Move base and step of an iv to a single structure. Add
21162 no_overflow flag, and use it in # of iterations analysis.
21163 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21164 folded_casts argument.
21165 (simple_iv): Pass base and step in a structure. Set no_overflow
21167 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21168 Evaluate expensiveness of computing # of iterations instead of
21169 the final expression.
21170 * tree-scalar-evolution.h (affine_iv): New structure.
21171 (simple_iv): Declaration changed.
21172 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21173 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21174 find_givs_in_stmt): Changed due to simple_iv change.
21176 2006-01-06 Jeff Law <law@redhat.com>
21179 * tree-cfg.c (bsi_replace): Rename final argument from
21180 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21181 change (stmt -> orig_stmt).
21182 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21183 (bsi_remove): Add new argument. Remove EH information
21185 (verify_eh_throw_table_statements): New function.
21186 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21188 * tree-optimize.c (execute_free_cfg_annotations): Verify
21189 the EH throw statement table after removing annotations.
21190 * except.h (verify_eh_throw_table_statements): Prototype.
21191 * tree-flow.h (bsi_remove): Update prototype.
21192 * tree-vrp.c (remove_range_assertions): Add new argument to
21194 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21195 * tree-complex.c (expand_complex_div_wide): Likewise.
21196 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21197 * tree-tailcall.c (eliminate_tailcall): Likewise.
21198 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21199 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21200 * tree-nrv.c (tree_nrv): Likewise.
21201 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21202 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21203 (combine_blocks): Likewise.
21204 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21205 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21206 (cleanup_control_flow): Likewise.
21207 (remove_forwarder_block): Likewise.
21208 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21209 * tree-sra.c (sra_replace): Likewise.
21210 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21211 (forward_propagate_single_use_vars): Likewise.
21212 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21213 * tree-inline.c (expand_call_inline): Likewise.
21214 * tree-vect-transform.c (vect_transform_loop): Likewise.
21215 * tree-outof-ssa.c (rewrite_trees): Likewise.
21216 * tree-cfg.c (make_goto_expr_edges): Likewise.
21217 (cleanup_dead_labels): Likewise.
21218 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21219 (bsi_move_before, bsi_move_after): Likewise.
21220 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21221 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21223 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21226 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21228 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21229 on non gimple variables. Also add checks at the top for decls and
21231 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21233 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21234 and IMAGPART_EXPR for creating MUST_DEFs.
21235 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21236 and NAME_MEMORY_TAG separately from the DECLs.
21238 2006-01-06 Richard Guenther <rguenther@suse.de>
21240 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21241 annotation, if necessary.
21242 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21243 redundant calls to update_stmt.
21244 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21247 2006-01-05 Richard Henderson <rth@redhat.com>
21249 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21251 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21253 * c-typeck.c: Update copyright date.
21255 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21257 * c-typeck.c (build_c_cast): Always warn when casting
21258 from a pointer to an integer of different size, even if
21259 the node was constant.
21261 2006-01-05 Richard Guenther <rguenther@suse.de>
21263 PR tree-optimization/22555
21264 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21265 if one structure field is an array.
21266 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21267 operands even if we found a subvar, but ignore VOPs in this
21269 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21271 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21273 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21275 PR middle-end/24998
21276 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21278 2006-01-05 Richard Guenther <rguenther@suse.de>
21279 Diego Novillo <dnovillo@redhat.com>
21281 * tree-pass.h (TODO_remove_unused_locals): Define.
21282 * gimple-low.c (expand_var_p, remove_useless_vars,
21283 pass_remove_useless_vars): Remove. Update all users.
21284 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21285 (remove_unused_locals): New function.
21286 * tree-flow.h (remove_unused_locals): Declare.
21287 * passes.c (execute_todo): Call remove_unused_locals if
21288 TODO_remove_unused_locals is set.
21289 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21290 * tree-ssa-dce.c (pass_dce): Likewise.
21291 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21293 2006-01-05 Richard Guenther <rguenther@suse.de>
21295 * tree-flow.h (struct fieldoff): Decompose field to
21296 type, size and decl.
21297 * tree-ssa-alias.c (create_sft): Take type as parameter.
21298 (create_overlap_variables_for): Store type, size and decl
21299 in the fieldoff structure.
21300 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21301 of struct fieldoff.
21302 (push_fields_onto_fieldstack): Likewise.
21303 (create_variable_info_for): Likewise. Use offset for the
21304 SFT name if the decl is not available.
21306 2006-01-04 Paul Brook <paul@codesourcery.com>
21308 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21310 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21312 * lambda-code.c (can_put_in_inner_loop): Relax
21314 (can_put_after_inner_loop): New function.
21315 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21316 (perfect_nestify): Change to make copies and modify uses.
21318 2006-01-04 Richard Henderson <rth@redhat.com>
21320 Merge from gomp branch:
21321 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21322 via integer constant.
21323 (pragma_lex): Remove.
21324 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21325 rather than parsing it.
21326 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21327 handle_pragma_extern_prefix): Add %< %> quotes.
21328 (registered_pragmas): New.
21329 (c_register_pragma_1): New.
21330 (c_register_pragma): Use it.
21331 (c_register_pragma_with_expansion): Likewise.
21332 (c_invoke_pragma_handler): New.
21333 (init_pragma): Use cpp_register_deferred_pragma directly for
21335 * c-pragma.h (enum pragma_kind): New.
21336 (pragma_handler): New.
21337 (c_invoke_pragma_handler): Declare.
21338 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21340 * c-common.h (c_common_pch_pragma): Update decl.
21341 * Makefile.in (c-parser.o): Update dependencies.
21342 (GTFILES): Add c-pragma.h.
21343 * c-parser.c (struct c_token): Add pragma_kind.
21344 (struct c_parser): Add in_pragma.
21345 (c_lex_one_token): Always initialize keyword and pragma_kind.
21346 Extract data for CPP_PRAGMA.
21347 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21348 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21349 Don't allow CPP_PRAGMA_EOL if in_pragma.
21350 (c_parser_consume_pragma): New.
21351 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21352 (c_parser_skip_to_end_of_parameter): Likewise.
21353 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21354 (c_parser_skip_to_pragma_eol): New.
21355 (c_parser_external_declaration): Handle CPP_PRAGMA.
21356 (c_parser_compound_statement_nostart): Likewise.
21357 (c_parser_statement_after_labels): Likewise.
21358 (c_parser_pragma): New.
21359 (pragma_lex): Likewise.
21360 (c_parser_pragma_pch_preprocess): New.
21361 (c_parser_new): Merge into ...
21362 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21364 2006-01-04 Jeff Law <law@redhat.com>
21367 * tree-cfg.c (bsi_replace): Remove the original statement
21368 from the EH throw statement table.
21370 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21372 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21373 make the prototype extern "C" and add throw ().
21376 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21377 and pos non-negative and pos + len <= 32.
21378 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21379 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21380 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21383 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21384 as well as sizes not multiple of component size.
21387 * function.c (instantiate_expr): New function.
21388 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21389 walk its DECL_VALUE_EXPR with instantiate_expr.
21391 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21392 DW_OP_deref{,_size} if address isn't going to be added.
21394 2006-01-04 Ben Elliston <bje@au.ibm.com>
21396 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21397 * config/fp-bit.c: Likewise.
21399 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21401 * dominance.c: Add comment about why we use DFS numbering
21404 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21405 Richard Henderson <rth@redhat.com>
21407 Merge from gomp-branch:
21408 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21409 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21411 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21413 PR rtl-optimization/25578
21414 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21415 pass a parameter to simplify_shift_const if changing ASHIFTRT
21418 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21420 * builtins.c (get_builtin_sync_mem): New function.
21421 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21422 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21423 Call get_builtin_sync_mem to generate mem rtx.
21425 2006-01-03 Richard Guenther <rguenther@suse.de>
21428 * stmt.c (add_case_node): Make sure to clear overflow flags
21431 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21433 Merge from gomp-branch.
21434 * config/sparc/sync.md: New file.
21435 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21436 UNSPECV_LDSTUB): New constants.
21437 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21438 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21439 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21442 2006-01-03 Roger Sayle <roger@eyesopen.com>
21444 * combine.c (reg_subword_p): New predicate to test whether the
21445 destination of a set refers to a subword/piece of a register.
21446 (try_combine): Generalize the code to merge the setting of a
21447 pseudo to a constant followed by a set of a subword of that
21448 register to a constant.
21450 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21452 * basic-block.h (control_flow_graph): Change the type of
21453 x_label_to_block_map to VEC(basic_block,gc) *.
21454 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21455 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21457 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21458 VEC(basic_block,heap) *.
21459 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21460 ssa_prop_fini): Adjust the uses of cfg_blocks.
21462 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21464 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21466 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21467 hashing trees instead of a pointer hash.
21468 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21469 compare for MEM_EXPR.
21471 PR rtl-optimization/25130
21472 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21473 when comparing MEMs for GCSE
21475 2006-01-03 Ben Elliston <bje@au.ibm.com>
21477 * targhooks.h (default_decimal_float_supported_p): Declare.
21478 * targhooks.c (default_decimal_float_supported_p): Define.
21479 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21480 `default_decimal_float_supported_p'.
21481 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21483 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21485 * combine.c (apply_distributive_law <SUBREG>): Check
21486 TRULY_NOOP_TRUNCATION.
21488 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21490 * dwarf2out.c (have_switched_text_section): Delete.
21491 (have_multiple_function_sections): New.
21492 (have_location_lists): Make 'bool'.
21493 (add_AT_loc_list): Use 'true' not '1'.
21494 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21495 (output_loc_list): Use have_multiple_function_sections.
21496 (output_ranges): Likewise.
21497 (dwarf2out_begin_function): Set have_multiple_function_sections if
21499 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21500 Check function_section rather than DECL_SECTION_NAME.
21501 (dwarf2out_finish): Use have_multiple_function_sections.
21502 Don't clear have_location_lists.
21504 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21505 Jan Hubicka <jh@suse.cz>
21507 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21508 case of conditional jump jumping to the next instruction.
21509 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21510 cases of conditional jump jumping to the next instruction.
21512 2006-01-02 Jan Hubicka <jh@suse.cz>
21514 * i386.c (*_cost): Add COSTS_N_INSNS.
21515 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21517 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21520 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21522 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21524 * config/arm/arm.c (all_fpus): Fix comment typo.
21525 * config/darwin.c: Likewise.
21526 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21527 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21528 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21530 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21532 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21533 (rs6000_split_compare_and_swapqhi): New.
21534 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21535 (sync_compare_and_swapqhi_internal): New.
21536 * config/rs6000/rs6000-protos.h: Declare.