1 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
4 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
5 not GIMPLE_MODIFY_STMT.
7 2006-12-06 Jan Hubicka <jh@suse.cz>
9 * tree-vrp.c (operand_less_p): New.
10 (compare_values, value_inside_range): Rewrite in terms of
13 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
15 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
17 (length_immediate): Do not depend on cld type attribute.
18 (length_address): Ditto.
21 (cld): Remove insn pattern.
22 (strmov_singleop): Do not use DIRFLAG_REG.
23 (*strmovdi_rex_1): Ditto.
25 (*strmovsi_rex_1): Ditto.
27 (*strmovhi_rex_1): Ditto.
29 (*strmovqi_rex_1): Ditto.
31 (*rep_movdi_rex64): Ditto.
33 (*rep_movsi_rex64): Ditto.
35 (*rep_movqi_rex64): Ditto.
36 (strset_singleop): Ditto.
37 (*strsetdi_rex_1): Ditto.
39 (*strsetsi_rex_1): Ditto.
41 (*strsethi_rex_1): Ditto.
43 (*strsetqi_rex_1): Ditto.
45 (*rep_stosdi_rex64): Ditto.
47 (*rep_stossi_rex64): Ditto.
49 (*rep_stosqi_rex64): Ditto.
50 (cmpstrnsi): Do not generate cld insn.
51 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
52 (*cmpstrnqi_nz_1): Ditto.
53 (*cmpstrnqi_nz_rex_1): Ditto.
55 (*cmpstrnqi_1): Ditto.
56 (*cmpstrnqi_rex_1): Ditto.
59 (*strlenqi_rex_1): Ditto.
61 * config/i386/geode.md (shift): Do not depend on cld type attribute.
62 * config/i386/pentium.md (pent_cld): Remove insn reservation.
63 * config/i386/athlon.md (athlon_decode): Do not depend on cld
65 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
66 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
68 (k6_alux_only_load): Ditto.
69 (k6_alux_only_store): Ditto.
71 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
72 Do not emit cld instruction.
73 (ix86_expand_setmem): Ditto.
74 (ix86_expand_strlen): Do not emit cld instruction.
76 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
78 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
81 2006-12-06 Diego Novillo <dnovillo@redhat.com>
83 * gdbinit.in: Set complaints to 0.
85 2006-12-06 Jan Hubicka <jh@suse.cz>
87 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
88 ALONE_MEM_STAT_DECL): New macros.
89 * bitmap.h: Include statistics.h
90 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
91 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
92 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
93 * bitmap.c: Include hashtab.h
94 (bitmap_descriptor): New.
95 (bitmap_hash): New static variable
96 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
98 (bitmap_register): New.
99 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
100 bitmap_obstack_release): Do accounting.
101 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
103 (bitmap_gc_alloc_stat): Likewise.
104 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
105 (print_statistics, dump_bitmap_statistics): New functions.
106 * toplev.c (finalize): Dump bitmap statistics.
108 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
110 * reload1.c (delete_output_reload): Count occurrences in
111 CALL_INSN_FUNCTION_USAGE.
112 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
113 crashing at the end of the list.
115 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
117 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
118 Optimize to avoid marking more SMT's as used when they aren't.
120 2006-12-05 Eric Christopher <echristo@apple.com>
122 * config/i386/i386.c (x86_output_aligned_bss): Move out
123 of COMMON_ASM_OP ifdef.
125 2006-12-05 Eric Christopher <echristo@apple.com>
127 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
128 (STARTFILE_SPEC): Use.
129 (DARWIN_DYLIB1_SPEC): New.
130 (DARWIN_CRT1_SPEC): New.
131 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
133 * config/i386/darwin.h: Ditto.
134 * config/rs6000/darwin.h: Ditto.
136 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
138 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
139 * tree-complex.c (pass_lower_complex): Ditto.
140 * tree-ssa-ccp.c (pass_ccp): Ditto.
141 (pass_store_ccp): Ditto.
142 * tree-ssa-dom.c (pass_dominator): Ditto.
143 (pass_phi_only_cprop): Ditto.
144 * tree-sra.c (pass_sra): Ditto.
145 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
146 * tree-flow.h (updating_used_alone): Remove.
147 (updating_used_alone): Ditto.
148 * tree-ssa-alias.c (updating_used_alone): Remove variable.
149 (lhs_may_store_to): Remove function.
150 (recalculate_used_alone): Ditto.
151 (compute_may_aliases): Remove used_alone calculation.
152 * tree.h (struct tree_memory_tag): Remove is_used_alone and
153 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
154 * tree-pass.h (PROP_smt_usage): Remove.
155 * passes.c (execute_todo): Remove used alone recalculation.
156 (execute_one_pass): Ditto.
157 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
160 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
162 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
164 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
166 PR tree-optimization/14784
167 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
169 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
171 Merge from gimple-tuples-branch.
173 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
175 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
177 (s390_gimplify_va_arg): Same.
178 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
179 * config/sh/sh.c (sh_va_start): Same.
180 (sh_gimplify_va_arg_expr): Same.
181 * config/xtensa/xtensa.c (xtensa_va_start): Same.
182 (xtensa_gimplify_va_arg_expr): Same.
183 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
184 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
185 * config/mips/mips.c (mips_va_start): Same.
186 (mips_gimplify_va_arg_expr): Same.
188 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
190 * Merge from mainline at revision 119445.
192 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
194 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
196 (spu_gimplify_va_arg_expr): Same.
198 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
200 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
201 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
202 (xstormy16_expand_builtin_va_arg): Same.
204 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
206 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
207 to GIMPLE_MODIFY_STMT.
209 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
211 * config/alpha/alpha.c (va_list_skip_additions): Change all
212 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
213 (alpha_va_start): Same.
214 (alpha_gimplify_va_arg_1): Same.
215 (alpha_gimplify_va_arg): Same.
217 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
219 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
221 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
223 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
224 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
226 * tree-complex.c: Same.
227 * tree-pretty-print.c: Same.
231 * fold-const.c: Same.
232 * tree-ssa-dom.c: Same.
233 * tree-ssa-propagate.c: Same.
234 * tree-ssa-alias.c: Same.
235 * gimple-low.c: Same.
237 * c-pretty-print.c: Same.
239 * tree-inline.c: Same.
240 * tree-outof-ssa.c: Same.
241 * tree-ssa-structalias.c: Same.
242 * tree-ssa-reassoc.c: Same.
245 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
247 * tree.c (build2_stat): Fix comment.
249 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
251 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
252 TREE_OPERAND when appropriate.
254 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
256 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
257 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
258 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
259 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
260 not handle GIMPLE_MODIFY_STMT in the switch statement.
261 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
262 (java_gimplify_new_array_init): Same.
264 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
266 * gimplify.c (gimplify_omp_for): Allow gimple statements.
267 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
268 * fold-const.c (fold_binary): Allow gimple statements.
270 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
271 Rename from gfc_conv_descriptor_data_set.
272 Call gfc_add_modify instead of gfc_add_modify_expr.
273 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
274 Rename from gfc_conv_descriptor_data_set.
275 (gfc_conv_descriptor_data_set): New macro.
276 (gfc_conv_descriptor_data_set_tuples): New macros.
277 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
278 gfc_conv_descriptor_data_set_tuples.
279 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
280 Generate GIMPLE_MODIFY_STMT when appropriate.
281 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
282 (gfc_add_modify_expr): New macro.
283 (gfc_add_modify_stmt): New macro.
284 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
286 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
288 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
289 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
292 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
294 * Merge from mainline at revision 118200.
296 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
298 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
301 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
303 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
305 Also, add __extension__ to GCC versions.
306 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
307 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
310 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
312 * tree-complex.c (expand_complex_libcall): Adjust for
314 (expand_complex_comparison): Same.
315 * tree-pretty-print.c (dump_generic_node): Is_expr should include
316 GIMPLE_STMT_P statements.
317 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
319 (tree_mod_pow2_value_transform): Same.
320 (tree_mod_subtract_transform): Same.
321 * tree.c (build2_stat): Check for gimplified function in cfun.
322 * tree.h (DECL_GIMPLIFIED): Delete.
323 (struct tree_function_decl): Remove gimplified_flag.
324 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
325 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
326 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
327 (cxx_omp_clause_copy_ctor): Same.
328 (cxx_omp_clause_assign_op): Same.
329 * c-pretty-print.c (pp_c_conditional_expression): Same.
330 (pp_c_expression): Same.
331 * langhooks.c (lhd_omp_predetermined_sharing): Same.
332 * function.h (struct function): Add gimplified field.
333 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
335 (find_phi_replacement_condition): Same.
336 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
337 (gimplify_modify_expr_to_memset): Same.
338 (gimplify_init_ctor_eval_range): Same.
339 (gimplify_modify_expr_complex_part): Same.
340 (tree_to_gimple_tuple): Same.
341 (gimplify_modify_expr): Same.
342 (gimple_push_cleanup): Same.
343 (gimplify_omp_for): Same.
344 (gimplify_omp_atomic_pipeline): Same.
345 (gimplify_omp_atomic_mutex): Same.
346 (gimplify_expr): Same.
347 (gimplify_one_sizepos): Same.
348 (gimplify_function_tree): Same.
349 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
350 (vect_recog_widen_sum_pattern): Same.
351 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
352 (vect_create_epilog_for_reduction): Same.
353 (vectorizable_reduction): Same.
355 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
357 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
358 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
359 (ifc_temp_var): Same.
360 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
361 for gimple statements.
362 (vect_analyze_operations): Same.
363 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
364 * gimplify.c (gimplify_return_expr): Handle gimple statements.
365 * lambda-code.c (can_put_in_inner_loop): Same.
366 (can_put_after_inner_loop): Same.
367 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
368 (vect_create_data_ref_ptr): Same.
369 (vect_init_vector): Same.
370 (vect_get_vec_def_for_operand): Same.
371 (vect_create_epilog_for_reduction): Same.
372 (vectorizable_reduction): Same.
373 (vectorizable_assignment): Same.
374 (vectorizable_operation): Same.
375 (vectorizable_load): Same.
376 (vectorizable_condition): Same.
377 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
378 (rs6000_gimplify_va_arg): Same.
380 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
382 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
384 (simplify_abs_using_ranges): Same.
385 * tree-complex.c (expand_complex_operations_1): Use
386 PROTECTED_TREE_OPERAND.
387 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
389 (get_val_for): Use GIMPLE_STMT_OPERAND.
390 * tree-tailcall.c (adjust_accumulator_values): Same.
391 (adjust_return_value): Same.
392 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
393 case. Remove special case for tcc_gimple_stmt.
394 * tree.h (CAN_HAVE_LOCATION_P): New.
395 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
397 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
399 * tree-nrv.c (execute_return_slot_opt): Same.
400 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
401 * tree-vn.c (set_value_handle): Same.
402 (get_value_handle): Same.
403 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
404 * tree-vectorizer.c (find_loop_location): Same.
405 * c-typeck.c (c_process_expr_stmt): Same.
406 (c_finish_stmt_expr): Same.
407 * gimplify.c (should_carry_locus_p): Same.
408 (tree_to_gimple_tuple): Delete definition and use of unecessary
409 variable save_tree_block.
410 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
411 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
412 (realify_fake_stores): Same.
413 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
415 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
416 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
417 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
418 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
419 (c_parser_statement_after_labels): Same.
420 (c_parser_paren_condition): Same.
421 (c_parser_for_statement): Same.
422 (c_parser_omp_for_loop): Same.
423 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
424 (linearize_expr_tree): Same.
425 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
426 * function.c (instantiate_expr): Same.
428 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
430 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
431 (set_expr_location): Same.
433 (set_expr_locus): Same.
434 (expr_filename): Same.
436 (tree_block): Use GIMPLE_STMT_BLOCK.
437 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
438 * tree.h (struct gimple_stmt): Remove prev and next.
439 (GIMPLE_STMT_OPERAND_CHECK): New.
440 (TREE_TO_GIMPLE_STMT): Delete.
441 (GIMPLE_STMT_TO_TREE): Delete.
442 (GIMPLE_STMT_OPERAND): Use union, not cast.
443 (GIMPLE_STMT_LOCUS): New.
444 (GIMPLE_STMT_BLOCK): New.
445 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
447 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
449 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
451 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
453 * tree-tailcall.c (adjust_return_value): Same.
454 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
455 (copy_node_stat): Change common.base to base.
456 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
457 Remove GIMPLE_STATEMENT_LIST case.
458 * tree.h (struct gimple_stmt): Make operands of type tree.
459 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
460 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
461 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
462 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
463 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
464 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
465 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
466 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
467 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
468 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
469 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
470 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
471 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
472 Change common.base to base.
473 (GIMPLE_STATEMENT_LIST*): Remove.
474 (union tree_node): Add base. Remove gimple_statement_list.
475 Remove pointer from gstmt.
476 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
477 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
478 * tree-vn.c (vn_compute): Change common.base to base.
479 * tree-eh.c (verify_eh_throw_stmt_node): Same.
480 * tree-flow-inline.h (var_ann): Same.
481 (function_ann): Same.
483 (mark_non_addressable): Same.
484 * gimplify.c (tree_to_gimple_tuple): Same.
485 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
486 * tree-dfa.c (create_var_ann): Change common.base to base.
487 (create_function_ann): Same.
488 (create_stmt_ann): Same.
489 (create_tree_ann): Same.
490 (collect_dfa_stats_r): Same.
491 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
492 * tree-ssa-dce.c (NECESSARY): Same.
493 * tree-ssa.c (delete_tree_ssa): Same.
494 * tree-optimize.c (execute_free_cfg_annotations): Same.
497 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
499 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
500 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
502 * tree.h (struct gimple_stmt): Add prev and next fields.
503 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
504 (GIMPLE_STATEMENT_LIST_HEAD): New.
505 (GIMPLE_STATEMENT_LIST_TAIL): New.
506 (struct gimple_statement_list): New.
507 (union tree_node): Add gimple_stmt_list and gstmt.
508 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
509 * tree.def: Add GIMPLE_STATEMENT_LIST.
511 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
513 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
514 * tree-vrp.c (build_assert_expr_for): Change uses of
515 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
516 (find_assert_locations): Same.
517 (remove_range_assertions): Same.
518 (stmt_interesting_for_vrp): Same.
519 (vrp_visit_assignment): Same.
520 (vrp_visit_stmt): Same.
521 (simplify_cond_using_ranges): Same.
522 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
524 * tree-ssa-loop-im.c (movement_possibility): Change uses of
525 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
527 (determine_invariantness_stmt): Same.
529 (gather_mem_refs_stmt): Same.
530 * tree-complex.c (init_dont_simulate_again): Same.
531 (complex_visit_stmt): Same.
532 (set_component_ssa_name): Same.
533 (expand_complex_move): Same.
534 (expand_complex_div_wide): Same.
535 (expand_complex_comparison): Same.
536 (expand_complex_operations_1): Same.
537 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
538 (chain_of_csts_start): Same.
539 (infer_loop_bounds_from_undefined): Same.
540 * tree-pretty-print.c (dump_generic_node): Same.
543 * tree-ssa-loop-manip.c (create_iv): Same.
544 * value-prof.c (tree_divmod_fixed_value): Same.
545 (tree_divmod_fixed_value_transform): Same.
546 (tree_mod_pow2): Same.
547 (tree_mod_pow2_value_transform): Same.
548 (tree_mod_subtract): Same.
549 (tree_mod_subtract_transform): Same.
550 (tree_divmod_values_to_profile): Same.
551 * tree-tailcall.c (process_assignment): Same.
552 (find_tail_calls): Same.
553 (adjust_accumulator_values): Same.
554 (adjust_return_value): Same.
555 (eliminate_tail_call): Same.
556 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
557 (make_node_stat): Same.
558 (copy_node_stat): Handle gimple tuples.
559 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
560 (tree_node_structure): Handle tcc_gimple_stmt.
561 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
563 (build2_gimple_stat): New.
564 (expr_location): New.
565 (set_expr_location): New.
566 (expr_has_location): New.
568 (set_expr_locus): New.
569 (expr_filename): New.
571 (walk_tree): Handle tcc_gimple_stmt.
573 (protected_tree_operand): New.
574 (protected_tree_type): New.
575 (tree_code_kind): Add gimple statements.
576 * tree.h (tree_code_class): Add tcc_gimple_stmt.
577 (IS_GIMPLE_STMT_CODE_CLASS): New.
578 (struct tree_base): New.
579 (struct tree_common): Shrink.
580 (struct gimple_stmt): New.
581 (struct gimple_expr): New.
582 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
583 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
584 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
585 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
586 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
587 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
588 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
589 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
590 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
591 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
592 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
593 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
594 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
595 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
596 Adjust for new `common' layout.
597 (struct tree_function_decl): Add gimplified_flag.
598 (DECL_GIMPLIFIED): NEW.
599 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
600 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
601 EXPR_HAS_LOCATION): Call corresponding function.
602 (GIMPLE_STMT_CHECK): New.
603 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
604 (TREE_BLOCK): Call tree_block.
605 (GIMPLE_STMT_P): New.
606 (GIMPLE_TUPLE_P): New.
607 (TREE_TO_GIMPLE_STMT): New.
608 (GIMPLE_STMT_TO_TREE): New.
609 (GIMPLE_STMT_OPERAND): New.
610 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
611 (PROTECTED_TREE_OPERAND): New.
612 (PROTECTED_TREE_TYPE): New.
613 (build2_gimple_stat): Protoize.
614 (build2_gimple): New.
615 (expr_location): Protoize.
616 (set_expr_location): Protoize.
617 (expr_has_location): Protoize.
618 (expr_locus): Protoize.
619 (set_expr_locus): Protoize.
620 (expr_filename): Protoize.
621 (expr_lineno): Protoize.
622 (tree_block): Protoize.
623 (protected_tree_operand): Protoize.
624 (protected_tree_type): Protoize.
625 (enum tree_node_kind): Add gimple_stmt_kind.
626 * c-decl.c (union lang_tree_node): Tuples do not have a
628 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
629 GIMPLE_MODIFY_STMT and adjust accordingly.
630 * tree-scalar-evolution.c (follow_ssa_edge): Same.
631 (interpret_condition_phi): Same.
632 (pointer_used_p): Same.
633 (analyze_scalar_evolution_1): Same.
634 (scev_const_prop): Same.
635 (interpret_rhs_modify_stmt): Rename from
636 interpret_rhs_modify_expr.
637 * builtins.c (std_expand_builtin_va_start): Change uses of
638 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
639 (std_gimplify_va_arg_expr): Same.
640 (expand_builtin_va_copy): Same.
641 (integer_valued_real_p): Same.
642 * fold-const.c (maybe_lvalue_p): Same.
644 (tree_expr_nonnegative_p): Same.
645 (tree_expr_nonzero_p): Same.
646 * omp-low.c (extract_omp_for_data): Same.
647 (lower_rec_input_clauses): Same.
648 (lower_reduction_clauses): Same.
649 (lower_copyprivate_clauses): Same.
650 (lower_send_clauses): Same.
651 (lower_send_shared_vars): Same.
652 (expand_parallel_call): Same.
653 (expand_omp_parallel): Same.
654 (expand_omp_for_generic): Same.
655 (expand_omp_for_static_nochunk): Same.
656 (expand_omp_for_static_chunk): Same.
657 (expand_omp_sections): Same.
658 (lower_omp_single_copy): Same.
659 (lower_omp_parallel): Same.
660 * tree-ssa-dse.c (memory_address_same): Same.
661 (dse_optimize_stmt): Same.
662 * ipa-reference.c (scan_for_static_refs): Same.
663 * tree-gimple.c (is_gimple_reg_rhs): Same.
664 (get_call_expr_in): Same.
665 (recalculate_side_effects): Same.
666 * cgraphunit.c (cgraph_create_edges): Same.
667 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
668 * tree-ssa-ccp.c (get_default_value): Same.
669 (likely_value): Same.
670 (visit_assignment): Same.
671 (ccp_visit_stmt): Same.
672 (get_maxval_strlen): Same.
673 (ccp_fold_builtin): Same.
674 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
675 (find_givs_in_stmt): Same.
676 (find_interesting_uses_op): Same.
677 (find_interesting_uses_stmt): Same.
678 (rewrite_use_nonlinear_expr): Same.
679 * ipa-pure-const.c (scan_function): Same.
680 * tree-stdarg.c (va_list_counter_bump): Same.
681 (check_all_va_list_escapes): Same.
682 (execute_optimize_stdarg): Same.
683 * tree-ssa-math-opts.c (compute_merit): Same.
684 (insert_reciprocals): Same.
685 (execute_cse_reciprocals): Same.
686 * tree-ssa-dom.c (initialize_hash_element): Same.
687 (simple_iv_increment_p): Same.
688 (record_equivalences_from_stmt): Same.
689 (optimize_stmt): Same.
690 (remove_stmt_or_phi): Same.
691 (get_rhs_or_phi_arg): Same.
692 (get_lhs_or_phi_result): Same.
693 (propagate_rhs_into_lhs): Same.
694 * tree-nrv.c (tree_nrv): Same.
695 (execute_return_slot_opt): Same.
696 * tree-ssa-propagate.c (get_rhs): Same.
698 (stmt_makes_single_load): Same.
699 (stmt_makes_single_store): Same.
700 (replace_vuses_in): Same.
701 (fold_predicate_in): Same.
702 (substitute_and_fold): Same.
703 * tree-ssa-alias.c (compute_call_clobbered): Same.
704 (recalculate_used_alone): Same.
705 (count_uses_and_derefs): Same.
706 (is_escape_site): Same.
707 (find_used_portions): Same.
708 * gimple-low.c (lower_stmt): Same.
709 (block_may_fallthru): Same.
710 (lower_return_expr): Same.
711 * tree-ssa-sink.c (is_hidden_global_store): Same.
712 (statement_sink_location): Same.
713 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
714 * expr.c (safe_from_p): Same.
715 (expand_expr_real): Same.
716 (expand_expr_real_1): Same.
717 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
718 * predict.c (expr_expected_value): Same.
719 (strip_builtin_expect): Same.
720 (apply_return_prediction): Same.
721 (tree_bb_level_predictions): Same.
722 (tree_estimate_probability): Same.
723 * tree-vn.c (vn_compute): Same.
724 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
725 (remove_stmt_from_eh_region_fn): Same.
726 (do_return_redirection): Same.
727 (honor_protect_cleanup_actions): Same.
728 (lower_try_finally_switch): Same.
729 (lower_eh_constructs_1): Same.
730 (tree_could_throw_p): Same.
731 (verify_eh_throw_stmt_node): Same.
732 * function.c (gimplify_parameters): Same.
733 * tree-vectorizer.c (vect_is_simple_use): Same.
734 (vect_is_simple_reduction): Same.
735 * ipa-type-escape.c (scan_for_refs): Same.
736 * tree-if-conv.c (tree_if_conversion): Same.
737 (tree_if_convert_stmt): Same.
738 (if_convertible_gimplify_modify_stmt_p): Rename from
739 if_convertible_modify_expr_p.
740 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
741 (ifc_temp_var): Same.
742 (replace_phi_with_cond_modify_stmt): Rename from
743 replace_phi_with_cond_modify_expr.
744 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
745 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
746 * tree-data-ref.c (find_data_references_in_loop): Adjust for
748 * tree-flow-inline.h (var_ann): Same.
749 (function_ann): Same.
751 (mark_non_addressable): Same.
752 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
753 * gimplify.c (tree_to_gimple_tuple): New.
754 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
755 (gimplify_return_expr): Same.
756 (gimplify_decl_expr): Same.
757 (gimplify_self_mod_expr): Same.
758 (gimplify_cond_expr): Same.
759 (gimplify_init_constructor): Same.
760 (gimplify_modify_expr): Same.
761 (gimplify_expr): Same.
762 (gimplify_function_tree): Same.
763 (force_gimple_operand): Same.
764 * tree-ssa-phiopt.c (conditional_replacement): Same.
765 (minmax_replacement): Same.
766 (abs_replacement): Same.
767 * tree-dfa.c (create_var_ann): Same.
768 (create_function_ann): Same.
769 (create_stmt_ann): Same.
770 (create_tree_ann): Same.
771 (collect_dfa_stats_r): Same.
772 * tree-ssa-pre.c (find_or_generate_expression): Same.
773 (create_expression_by_pieces): Same.
774 (try_look_through_load): Same.
775 (insert_fake_stores): Same.
776 (realify_fake_stores): Same.
777 (compute_avail): Same.
780 (poolify_modify_stmt): Rename from poolify_modify_stmt.
781 Adjust for GIMPLE_MODIFY_STMT.
782 (NECESSARY): Adjust for new `common' layout.
783 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
785 * tree-sra.c (sra_walk_modify_stmt): Rename from
786 sra_walk_modify_expr.
787 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
788 (generate_copy_inout): Same.
789 (generate_element_copy): Same.
790 (generate_element_zero): Same.
791 (scalarize_copy): Same.
792 * tree-mudflap.c (mf_decl_cache_locals): Same.
793 (mf_build_check_statement_for): Same.
794 (mf_xform_derefs): Same.
795 * ipa-prop.c (ipa_method_modify_stmt): Same.
796 * print-tree.c (print_node): Handle gimple tuples.
797 Add case for tcc_gimple_stmt.
798 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
800 (copy_prop_visit_assignment): Same.
801 (copy_prop_visit_stmt): Same.
802 (init_copy_prop): Same.
803 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
804 (forward_propagate_into_cond_1): Same.
805 (find_equivalent_equality_comparison): Same.
806 (tidy_after_forward_propagate_addr): Same.
807 (forward_propagate_addr_expr_1): Same.
808 (simplify_not_neg_expr): Same.
809 (simplify_switch_expr): Same.
810 * tree-ssa-dce.c (find_pdom): Same.
811 (mark_stmt_if_obviously_necessary): Same.
812 (NECESSARY): Adjust for new `common' layout.
814 * tree-vect-patterns.c (widened_name_p): Adjust for
816 (vect_recog_dot_prod_pattern): Same.
817 (vect_recog_widen_sum_pattern): Same.
818 (vect_pattern_recog_1): Same.
819 * tree-nested.c (init_tmp_var): Same.
820 (save_tmp_var): Same.
822 (convert_call_expr): Same.
823 (finalize_nesting_tree_1): Same.
824 * tree-ssa.c (verify_ssa): Same.
825 (delete_tree_ssa): Same.
826 * lambda-code.c (lbv_to_gcc_expression): Same.
827 (lle_to_gcc_expression): Same.
828 (lambda_loopnest_to_gcc_loopnest): Same.
829 (can_put_in_inner_loop): Same.
830 (can_convert_to_perfect_nest): Same.
831 (perfect_nestify): Same.
832 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
833 * tree-inline.c (copy_body_r): Same.
834 (setup_one_parameter): Same.
835 (initialize_inlined_parameters): Same.
836 (estimate_num_insns_1): Same.
837 (expand_call_inline): Same.
838 (gimple_expand_calls_inline): Same.
840 * tree-optimize.c (execute_free_cfg_annotations): Same.
841 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
842 (vect_align_data_ref): Same.
843 (vect_create_data_ref_ptr): Same.
844 (vect_init_vector): Same.
845 (vect_create_epilog_for_reduction): Same.
846 (vectorizable_reduction): Same.
847 (vectorizable_assignment): Same.
848 (vectorizable_operation): Same.
849 (vectorizable_store): Same.
850 (vectorizable_load): Same.
851 (vectorizable_live_operation): Same.
852 (vectorizable_condition): Same.
853 (vect_generate_tmps_on_preheader): Same.
854 (vect_create_cond_for_align_checks): Same.
855 * tree-object-size.c (collect_object_sizes_for): Same.
856 (check_for_plus_in_loops_1): Same.
857 (check_for_plus_in_loops): Same.
858 * tree-outof-ssa.c (insert_copy_on_edge): Same.
859 (replace_use_variable): Same.
860 (check_replaceable): Same.
861 (rewrite_trees): Same.
862 (identical_copies_p): Same.
863 (insert_backedge_copies): Same.
864 * tree-profile.c (tree_gen_edge_profiler): Same.
865 * tree-vect-generic.c (expand_vector_operations_1): Same.
866 * tree-ssa-structalias.c (update_alias_info): Same.
867 (find_func_aliases): Same.
868 * tree-cfg.c (factor_computed_gotos): Same.
870 (make_goto_expr_edges): Same.
871 (tree_merge_blocks): Same.
872 (remove_useless_stmts_cond): Same.
873 (remove_useless_stmts_1): Same.
874 (tree_find_edge_insert_loc): Same.
876 (gimplify_val): Same.
877 (verify_gimple_tuples_1): New.
878 (verify_gimple_tuples): New.
879 (verify_stmts): Call verify_gimple_tuples.
880 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
881 (get_unary_op): Same.
882 (linearize_expr): Same.
883 (get_single_immediate_use): Same.
884 (negate_value): Same.
885 (should_break_up_subtract): Same.
886 (break_up_subtract): Same.
887 (repropagate_negates): Same.
888 (break_up_subtract_bb): Same.
889 (reassociate_bb): Same.
890 * config/i386/i386.c (ix86_va_start): Same.
891 (ix86_gimplify_va_arg): Same.
892 * stmt.c (expand_expr_stmt): Same.
893 (warn_if_unused_value): Same.
894 (expand_return): Same.
895 * tree-ssanames.c (make_ssa_name): Same.
896 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
897 * tree-ssa-operands.c (finalize_ssa_defs): Same.
898 (add_virtual_operand): Same.
899 (get_expr_operands): Same.
900 (parse_ssa_operands): Same.
901 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
903 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
905 * config.host: Remove extra blank line.
907 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
909 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
910 target is also an x86 variant.
912 2006-12-05 Richard Guenther <rguenther@suse.de>
914 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
915 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
916 (ix86_builtin_vectorized_function): New function to vectorize
919 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
921 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
922 ia64_override_options.
924 2006-12-04 Jan Hubicka <jh@suse.cz>
926 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
929 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
931 * rtlanal.c (note_uses): Deal with SEQUENCEs.
932 * config/bfin/bfin.c: Include "timevar.h".
933 (bfin_flag_schedule_insns2, splitting_for_sched,
934 bfin_flag_var_tracking): New variables.
935 (print_operand): Handle '%!'.
936 (override_options): Disable normal sched2 pass, instead set
937 bfin_flag_schedule_insns2 for reorg to handle it.
938 (output_file_start): Likewise for var-tracking.
939 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
940 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
942 (bfin_reorg): Do second scheduling pass here, and call
943 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
944 of examining insns directly. If bfin_flag_var_tracking, call
945 var-tracking pass when done with everything else.
946 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
947 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
948 (movsi_insn32): New pattern, with two new splits to create it
949 before the final scheduling pass.
950 (neghi2): Not a dsp32 insn, rather alu0.
951 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
952 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
953 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
954 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
955 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
956 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
957 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
958 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
959 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
960 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
961 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
962 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
963 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
964 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
965 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
966 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
967 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
968 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
969 variants instead of ';'.
970 (ror_one, rol_one): Likewise. Make them dsp32 insns.
971 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
972 (align8, align16, align24): Now named patterns; also using '%!'.
975 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
977 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
978 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
980 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
982 * config/spu/spu-protos.c (spu_split_address): Add.
983 * config/spu/spu.c (spu_split_address): Add.
984 (print_operand): Handle HIGH.
985 (spu_legitimate_address): Don't test for aligned CONST.
986 (spu_expand_mov): Don't split addresses here.
987 * config/spu/constraints.md (A): Don't test legitimate_const.
988 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
989 (ceq_di): Use correct predicates.
991 2006-12-04 Eric Christopher <echristo@apple.com>
993 * config/darwin.h: Update copyright notice.
994 * config/i386/darwin.h: Ditto.
996 2006-12-04 Jan Hubicka <jh@suse.cz>
998 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
999 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1001 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1003 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1005 * tree-ssa-structalias.c (set_used_smts): Export.
1006 (find_what_p_points_to): Don't call set_used_smts here.
1007 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1009 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1011 * tree-ssa-alias.c (compute_may_aliases):
1012 Compute flow sensitive before flow insensitive.
1013 (compute_flow_sensitive_aliasing): Don't try to add
1014 a symbol memory tag to itself.
1016 * alias.h (alias_set_subset_of): New prototype.
1018 * alias.c (alias_set_subset_of): New function.
1020 * tree-ssa-structalias.c: Update comments.
1021 (struct variable_info): Add finished_solution.
1022 (new_varinfo): Set finished solution to NULL.
1023 (var_escaped_vars): Remove.
1024 (escaped_vars_tree): Remove.
1025 (escaped_vars_id): Remove.
1026 (nonlocal_vars_id): Remove.
1027 (constraint_expr_type): Add INCLUDES.
1028 (graph_size): Removed.
1029 (dump_constraint): Support INCLUDES.
1030 (build_constraint_graph): Ditto.
1031 (collapse_nodes): Add merge_solutions argument.
1032 Don't merge attributes.
1033 (process_unification_queue): Just use collapse_nodes.
1034 (perform_var_substitution): Update call to collapse_nodes.
1035 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1036 (process_constraint): Fix non-field sensitive handling
1038 (get_constraint_for): Use INCLUDES.
1039 (make_constraint_from_anything): Renamed from
1040 make_constraint_from_escaped.
1041 (make_constraint_to_escaped): Removed.
1042 (find_global_initializers): Removed.
1043 (create_variable_info_for): Do not make constraints to escaped
1045 (dump_solution_for_var): Don't print out the equivalent points-to
1046 sets, just use the name of the variable it shares it with.
1047 (intra_create_variable_infos): Use INCLUDES.
1048 Change nonlocal variable sets to anything sets.
1049 (init_base_vars): Remove escaped_vars and nonlocal_var
1051 (find_escape_constraints): Removed.
1052 (delete_points_to_sets): Remove dead code.
1053 (used_smt_calculated): New variable.
1054 (set_used_smts): New function.
1055 (merge_smts_into): New function.
1056 (find_what_p_points_to): Modify to use SMTs.
1057 (create_nonlocal_var): Remove.
1059 * tree-ssa-operands.c (access_can_touch_variable): Remove
1060 reference to nonlocal_all.
1062 * tree-ssa.c (verify_name_tags): Remove.
1064 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1066 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1067 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1069 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1071 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1072 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1073 (add_livein_if_notdef): Delete.
1074 (loe_visit_block): New. Propogate live on entry info for a block into
1075 each predecessor. If it changes, make sure it is visited again.
1076 (live_worklist): Visit every block and update the live on entry info
1077 for preds. Iterate over any that changed.
1078 (set_var_live_on_entry): Populate the live on entry blocks with bits
1079 based on the immediate uses of a var.
1080 (calculate_live_on_entry): Remove.
1081 (calculate_live_on_exit): Calculate live on exit based on the newly
1082 oriented live on entry bits.
1083 (calculate_live_ranges): Build live on entry and exit vectors.
1084 (dump_live_info): Use new orientation of live on entry bitmaps.
1085 (verify_live_on_entry): New. Split out verification code from old
1086 calculate_live_on_entry routine.
1087 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1088 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1089 basic_block instead of for a partition.
1090 (live_merge_and_clear): Add asserts.
1091 (make_live_on_entry): Set partition bit in basic block vector.
1093 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1096 * omp-low.c (expand_omp_for_static_nochunk,
1097 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1101 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1102 parallels if region->exit or region->inner->exit is NULL.
1103 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1105 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1106 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1107 or region->exit is NULL.
1108 (expand_omp_sections): Handle NULL region->cond or region->exit.
1111 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1113 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1114 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1116 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1118 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1119 TYPE_MAX_VALUE for scalar types here but...
1120 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1121 is attached an error mark, and the return value of the callback
1122 if it is not NULL_TREE.
1124 2006-12-04 Ben Elliston <bje@au.ibm.com>
1126 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1128 2006-12-03 Eric Christopher <echristo@apple.com>
1131 * config/t-slibgcc-darwin: Pass -install_name.
1132 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1133 libtool. Only pass through options that the linker recognizes.
1134 (LINK_SPEC): Update comment. Translate options.
1135 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1136 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1138 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1140 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1142 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1145 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1146 operands[1] in insn constraint. Correct type attribute to sselog1.
1148 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1151 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1153 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1154 processor detection.
1156 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1157 -march=native if there is no -mtune=*.
1159 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1162 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1164 * doc/install.texi: Update recommended MPFR version. Remove
1165 obsolete reference to cumulative patch.
1167 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1170 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1172 2006-11-30 Jan Hubicka <jh@suse.cz>
1173 Uros Bizjak <ubizjak@gmail.com>
1175 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1176 32bit memcpy/memset decriptors.
1177 (decide_alg): With -minline-all-stringops and sizes that are best
1178 to be copied via libcall still work hard enough to pick non-libcall
1181 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1183 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1185 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1186 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1187 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1188 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1189 config/spu/spu-c.c, config/spu/spu-modes.def,
1190 config/spu/spu.c, config/spu/spu.md,
1191 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1192 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1193 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1194 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1195 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1196 spelling conventions.
1198 * config/i386/i386.c: Fix a comment typo.
1200 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1202 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1203 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1204 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1205 better optimization.
1206 (floatv4siv4sf2): New.
1207 (fix_truncv4sfv4si2): New.
1208 (floatunsv4siv4sf2): New.
1209 (fixuns_truncv4sfv4si2): New.
1217 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1218 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1219 spu_resolve_overloaded_builtin instead of static inline functions.
1221 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1223 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1224 type instead of the size of its mode to compute the highest and
1225 lowest possible values. Still check the size of the mode before
1226 flipping the signedness of the comparison.
1228 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1230 * config/spu/predicates.md (spu_mov_operand): Add.
1231 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1232 (print_operand_address, print_operand): Handle addresses containing AND.
1233 (spu_split_load, spu_split_store): Use updated movti pattern.
1234 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1235 stores in mov patterns for correct operation of reload.
1236 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1238 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1241 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1243 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1245 * common.opt (ftree-combine-temps): Remove.
1246 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1247 (coalesce_ssa_name): Don't check for combine-temps.
1248 (coalesce_vars): Remove.
1249 (check_replaceable): Use num_imm_uses.
1250 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1251 check for combine-temps.
1252 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1253 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1254 to register_ssa_partition calls.
1255 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1256 (init_var_map, delete_var_map): remove refernces to ref_count.
1257 (create_ssa_var_map): Never calculate a ref count.
1258 (type_var_init): Remove.
1259 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1260 (SSA_VAR_MAP_REF_COUNT): Delete.
1261 (create_ssa_var_map): Change Prototype to have no parameters.
1262 (version_ref_count): Delete.
1263 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1265 (type_var_num, type_var, type_var_first_partition,
1266 type_var_next_partition, type_var_dump, type_var_delete,
1267 type_var_remove_partition, type_var_find, type_var_compact,
1268 type_var_decompact): Remove.
1270 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1272 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1275 2006-12-01 Richard Guenther <rguenther@suse.de>
1278 * dwarf2out.c (struct pubname_struct): Make name const.
1279 (add_pubtype): Do not xstrdup identifiers.
1281 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1283 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1284 multiword accesses are in range.
1286 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1288 PR tree-optimization/29921
1289 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1290 (set_lattice_value): Use canonicalize_float_value.
1292 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1294 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1295 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1296 (spu_cpu_cpp_builtins): Remove.
1297 (spu_override_options): Don't set warn_main.
1298 (spu_force_reg): Move from spu-c.c.
1299 (spu_check_builtin_parm): Likewise.
1300 (expand_builtin_args): Likewise.
1301 (spu_expand_builtin_1): Likewise.
1302 (spu_expand_builtin): Likewise.
1303 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1304 warn_main and targetm.resolve_overloaded_builtin.
1305 * config/spu/spu-c.c (spu_builtin_range): Remove.
1306 (spu_check_builtin_parm): Remove.
1307 (expand_builtin_args): Remove.
1308 (spu_expand_builtin_1): Remove.
1309 (spu_expand_builtin): Remove.
1310 (spu_cpu_cpp_builtins): Moved from spu.c
1311 (spu_force_reg): Remove.
1313 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1314 David Edelsohn <edelsohn@gnu.org>
1317 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1318 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1319 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1320 HARD_REGNO_NREGS_WITH_PADDING): Define.
1321 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1322 HARD_REGNO_NREGS_WITH_PADDING): Define.
1323 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1324 Use new macros to detect modes with holes; do not look at integer
1326 (subreg_offset_representable_p): Check for and disallow cases
1327 where the modes use different numbers of bits from registers.
1328 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1329 constant for soft-float.
1330 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1332 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1333 in E500 double case.
1334 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1335 (movtf_softfloat): New.
1337 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1339 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1340 simplify_gen_subreg.
1342 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1344 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1345 (COALESCE_HASH_FN): New. Define hash function.
1346 (partition_pair_map_hash): New. Hash value for a partition pair.
1347 (partition_pair_map_eq): New. Equality for hash pairs.
1348 (create_coalesce_list): Create hash table.
1349 (delete_coalesce_list): Free hash table.
1350 (find_partition_pair): Find/create pairs in hash table.
1351 (compare_pairs): Sort pairs in ascending order now.
1352 (num_coalesce_pairs): New. Number of pairs in hash table.
1353 (struct partition_pair_iterator): Iterator struct for pair table.
1354 (first_partition_pair): Iterator function for first pair.
1355 (end_partition_pair_p): Iterator function for end of iteration.
1356 (next_partition_pair): Iterator function for next pair.
1357 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1358 (sort_coalesce_list): Sort pairs from hash table into an array.
1359 (pop_best_coalesce): Take pairs from the array.
1360 (dump_coalesce_list): Update to use hash table or sorted array.
1361 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1362 (struct coalesce_list_d): Add hash table related fields.
1364 2006-11-30 Jan Hubicka <jh@suse.cz>
1367 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1368 memmove/bcopy->memcpy conversion.
1370 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1372 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1373 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1374 Default is the largest alignment supported for 32-bit ELF and
1375 representable on a 32-bit host.
1377 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1379 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1381 2006-11-30 Jan Hubicka <jh@suse.cz>
1383 * tree-ssa-operands.h (struct ssa_operands): New.
1384 * tree-flow-inline.h (gimple_ssa_operands): New function.
1385 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1386 * Makefile.in: Remove gt-tree-ssa-operands.h
1387 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1388 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1389 operand_memory, operand_memory_index, ops_active): Remove statics.
1390 (ALLOC_OPTYPE): Update.
1391 (operand_build_sort_virtual): Update.
1392 (ssa_operands_active): Update.
1393 (init_ssa_operands): Update.
1394 (fini_ssa_operands): Update.
1395 (ssa_operand_alloc): Update.
1396 (INITIALIZE_USE): Update.
1397 (finalize_ssa_use_ops): Update.
1398 (finalize_ssa_v_may_def_ops): Update.
1399 (finalize_ssa_vuse_ops): Update.
1400 (finalize_ssa_v_must_def_ops): Update.
1402 2006-11-30 Richard Guenther <rguenther@suse.de>
1404 * tree-vectorizer.h (vectorizable_function): Export.
1405 * tree-vect-transform.c (vectorizable_function): Likewise.
1406 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1407 type_in to scalar type in recognition of squaring.
1408 Make sure the target can vectorize sqrt in recognition
1409 of sqrt, set type_in to vector type in this case.
1411 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1413 * config/i386/i386.md (R10_REG): New constant.
1414 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1415 (ix86_emit_restore_regs_using_mov): Ditto.
1416 (ix86_expand_call): Ditto.
1417 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1419 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1421 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1422 * alias.c (canon_true_dependence): Update comment.
1424 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1426 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1427 at the end of a diagnostics message.
1429 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1430 until after asserting that it was allocated in the right pool.
1432 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1433 successor edge information as well. Make output of live regs
1434 on exit consistent with live regs on entry.
1436 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1439 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1440 insn patterns for TARGET_80387.
1441 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1442 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1443 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1444 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1445 Generate truncxf<mode>2 insn patterns for strict SSE math.
1447 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1449 * config/i386/i386.md (movsf_1): Enable pattern for standard
1450 80387 constants before reload when optimizing for size.
1451 (*movdf_nointeger, *movdf_integer): Ditto.
1452 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1453 80387 constants before reload when not optimizing for size.
1455 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1456 extension of XFmode input operands.
1458 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1460 * config/spu/crt0.c (__dso_handle): Define.
1462 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1464 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1465 when clearing the used flags.
1467 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1469 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1471 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1474 * config/spu/spu.md (extend_compare<mode>): New pattern.
1475 (extend_compare): Change to expand and use the above pattern.
1477 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1479 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1481 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1482 (DFP_INIT_ROUNDMODE): Define.
1483 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1484 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1486 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1488 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1489 Update documentation.
1490 (associate_line_notes_with_blocks): Kill.
1491 (extend_bb): Remove basic block argument, put void instead.
1492 Remove line number handling for each bb.
1493 (save_line_notes): Kill.
1494 (restore_line_notes): Kill.
1495 (sched_init): Remove line_note_head initialization.
1496 Change extend_bb call.
1497 (sched_finish): Remove free of line_note_head.
1498 (add_block): Change extend_bb call.
1499 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1500 rm_line_notes and restore_line_notes calls.
1501 (schedule_ebbs): Remove rm_redundant_line_notes.
1502 * sched-int.h (struct haifa_insn_data): Remove line_note.
1503 (save_line_notes): Remove declaration.
1504 (restore_line_notes): Remove declaration.
1505 * modulo-sched.c (loop_canon_p): Update debug info printing
1506 by using insn locators instead of line note.
1507 (sms_schedule): Update debug info printing, by using insn
1508 locators instead of line note.
1509 * sched-rgn.c (debug_dependencies): Remove handling of case
1510 n>0 (line number), since it's a dead code.
1511 (schedule_region): Remove save_line_notes and
1512 restore_line_notes calls.
1514 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1516 * config/rs6000/predicates.md (gpc_reg_operand): Check
1517 invalid_e500_subreg.
1518 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1519 SImode subregs of SPE vectors.
1520 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1521 * jump.c (true_regnum): Require subregs to satisfy
1522 subreg_offset_representable_p.
1524 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1525 Steven Bosscher <stevenb.gcc@gmail.com>
1527 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1528 since it no longer exists.
1530 2006-11-29 Duncan Sands <baldrick@free.fr>
1532 PR tree-optimization/23744
1533 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1535 2006-11-29 Duncan Sands <baldrick@free.fr>
1537 PR tree-optimization/23744
1538 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1540 2006-11-29 Duncan Sands <baldrick@free.fr>
1542 PR tree-optimization/23744
1543 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1545 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1547 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1549 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1551 * sh.opt (minline-ic_invalidate): New option.
1552 (musermode): Adjust comment.
1553 * sh.c (sh_initialize_trampoline): Emit library call unless
1554 is set; if it is set, don't emit library call if we can use icbi
1556 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1557 icbi for TARGET_SH4_300.
1558 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1559 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1560 -musermode documentation.
1562 2006-11-29 Jim Tison <jtison@us.ibm.com>
1564 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1565 __gthread_recursive_mutex_init): Define.
1567 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1569 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1570 STRICT_ALIGNMENT and the type is more aligned than the saved
1571 registers, copy via a temporary.
1573 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1576 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1579 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1581 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1583 2006-11-28 Jan Hubicka <jh@suse.cz>
1585 Privatize SSA variables into gimple_df.
1586 * tree-flow-inline.h
1587 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1588 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1589 gimple_nonlocal_all): New accessors.
1590 (first_referenced_var): Update.
1591 (mark_stmt_modified): Update.
1592 (is_call_clobbered): Update.
1593 (mark_call_clobbered): Update.
1594 (clear_call_clobbered): Update.
1595 (mark_non_addressable): Update.
1596 * tree-vrp.c (get_value_range): Update.
1597 * tree-into-ssa.c (in_ssa_p): Kill.
1598 (get_default_def_for): Update.
1599 (rewrite_into_ssa): Update.
1600 * tree-complex.c (init_parameter_lattice_values): Update.
1601 (update_complex_assignment): Update.
1602 (update_parameter_components): Update.
1603 (expand_complex_libcall): Update.
1604 (expand_complex_operations_1): Update.
1605 * tree-tailcall.c (arg_needs_copy_p): Update.
1606 (add_virtual_phis): Update.
1607 (tree_optimize_tail_calls_1): Update.
1608 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1609 * tree-ssa-copyrename.c
1610 (copy_rename_partition_coalesce): Update.
1611 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1612 * tree-ssa-propagate.c (set_rhs): Update.
1613 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1614 addressable_vars, global_var):Kill.
1615 (set_initial_properties): Update.
1616 (init_alias_info): Update.
1617 (finalize_ref_all_pointers): Update.
1618 (setup_pointers_and_addressables): Update.
1619 (maybe_create_global_var): Update.
1620 (create_global_var): Update.
1621 (dump_points_to_info): Update.
1622 * function.h (struct gimple_df): Forward declare.
1623 (struct function): Add GIMPLE_DF field.
1624 * gimplify.c (force_gimple_operand): Update.
1625 * tree-dfa.c (referenced_vars, default_defs): KIll.
1626 (make_rename_temp): Update.
1627 (dump_variable): Update.
1628 (referenced_var_lookup): Update.
1629 (referenced_var_check_and_insert): Update.
1630 (default_def): Rename to ...
1631 (gimple_default_def): ... this one; accept cfun argument.
1632 (set_default_def): Update.
1633 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1634 (cleanup_control_flow): Update.
1635 * tree-ssa-pre.c (compute_avail): Update
1636 * tree-ssa-live.c (calculate_live_on_entry): Update.
1637 * tree-ssa.c (verify_use): Update.
1638 (verify_call_clobbering): Update.
1639 (verify_call_clobbering): Update.
1640 (init_tree_ssa): Update.
1641 (delete_tree_ssa): Update.
1642 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1643 (rewrite_out_of_ssa): Update.
1644 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1645 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1647 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1648 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1649 addressable_vars, aliases_computed_p): Kill.
1650 (default_def): Rename to...
1651 (gimple_default_def): ... this one.
1652 (defaule_def_fn): Kill.
1653 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1654 * tree-ssa-structalias.c (nonlocal_all): Kill.
1655 (get_constraint_exp_from_ssa_var): Update.
1656 (create_nonlocal_var): Update.
1657 (get_constraint_for): Update.
1658 (update_alias_info): Update.
1659 (find_global_initializers): Update.
1660 (intra_create_variable_infos): Update.
1661 (intra_create_variable_infos):
1662 (find_what_p_points_to): Update.
1663 (init_alias_heapvars): Update.
1664 * tree-cfg.c (remove_bb): Update.
1665 (gimplify_val): Update.
1666 * tree-ssa-reassoc.c (get_rank): Update.
1667 (init_reassoc): Update.
1668 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1669 (ssa_names, free_ssanames): Kill.
1670 (init_ssanames): Update.
1671 (make_ssa_name): Update.
1672 (release_ssa_name): Update.
1673 (release_defs): Update.
1674 (replace_ssa_name_symbol): Update.
1675 * tree-ssa-operands.c (access_can_touch_variable): Update.
1676 (add_virtual_operand): Update.
1677 (add_call_clobber_ops): Update.
1678 (add_call_read_ops): Update.
1679 (get_call_expr_operands): Update.
1680 (get_asm_expr_operands): Update.
1682 2006-11-28 Jan Hubicka <jh@suse.cz>
1684 * builtins.c: Include tree-flow.h.
1685 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1686 assignment; convert memmove to memcpy for sizes greater than 1 where
1687 alignment of operands prohibit the partial overlap.
1689 2006-11-28 Jan Hubicka <jh@suse.cz>
1691 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1692 * cgraph.c (dump_cgraph_node): Dump stack usage.
1693 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1694 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1695 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1696 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1697 (cgraph_check_inline_limits): Limit stack growth.
1698 * cfgexpand.c: Include tree-inline.h.
1699 (account_stack_vars): New function.
1700 (expand_one_var): New param to just account the stack; return estimated
1702 (expand_used_vars_for_block): Update call of expand_one_var.
1703 (account_used_vars_for_block): New function.
1704 (estimated_stack_frame_size): Likewise.
1705 (init_vars_expansion, fini_vars_expansion): Break out from..
1706 (expand_used_vars): ... here.
1707 * tree-inline.h (estimated_stack_frame_size): Declare.
1708 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1710 2006-11-28 Richard Guenther <rguenther@suse.de>
1712 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1713 unsigned long for printing OBJECT_SIZE.
1715 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1717 * alias.c (init_alias_analysis): Remove simplification loop
1718 after propagating pointers.
1720 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1722 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1725 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1727 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1729 2006-11-27 Roger Sayle <roger@eyesopen.com>
1730 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1732 * c-common.c (constant_fits_type_p): Delete.
1733 (unsigned_conversion_warning): Delete.
1734 (conversion_warning): Integrate Wconversion warning from
1735 unsigned_conversion_warning.
1736 (convert_and_check): Integrate Woverflow warning from
1737 unsigned_conversion_warning. Reorganize and simplify to avoid
1738 dependence upon the middle-end setting TREE_OVERFLOW on integral
1739 conversions, by using int_fits_type_p directly.
1741 2006-11-27 Tobias Burnus <burnus@net-b.de>
1743 * doc/invoke.texi: Fixed typo.
1745 2006-11-27 Michael Matz <matz@suse.de>
1746 Andreas Krebbel <krebbel1@de.ibm.com>
1749 * config/s390/predicates.md (larl_operand): Check addend of larl
1750 operand to be in range of -/+2GB.
1751 * config/s390/s390.c (legitimize_pic_address): Likewise.
1752 Changed type of variable even to HOST_WIDE_INT.
1754 2006-11-27 Jan Hubicka <jh@suse.cz>
1756 * expr.c (emit_block_move_via_libcall): Export.
1757 (clear_storage_via_libcall): Rename to ...
1758 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1759 (clear_storage): Update to set_storage_via_libcall.
1760 * expr.h (emit_block_move_via_libcall): Declare
1761 * config/i386/i386.h (stringop_alg): New enum.
1762 (MAX_STRINGOP_ALGS): New constant.
1763 (stringop_algs): New struct.
1764 (processor_costs): Add memcpy/memset descriptors.
1765 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1766 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1767 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1769 * config/i386/i386.opt (minline-stringops-dynamically,
1770 mstringop-strategy): New
1772 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1773 (ix86_expand-clrmem): Rename to ...
1774 (ix86_expand_setmem): ... this one; update prototype.
1775 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1776 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1777 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1778 nocona_cost, core2_cost, generic_cost, generic64_cost,
1779 generic32_cost): Add memcpy/memset descriptors.
1780 (x86_rep_movl_optimal): Remove.
1781 (stringop_alg): New static variable.
1782 (ix86_expand_aligntest): Handle predictions.
1783 (override_options): Add strgop_alg handling.
1784 (predict_jump): New function.
1785 (scale_counter): New function.
1786 (expand_set_or_movmem_via_loop): New function.
1787 (expand_movmem_via_rep_mov): New function.
1788 (expand_setmem_via_rep_stots): New function.
1789 (emit_strmov): New function.
1790 (expand_movmem_epilogue): New function.
1791 (expand_setmem_epilogue_via_loop): New function.
1792 (expand_setmem_epilogue): New function.
1793 (expand_movmem_prologue): New function.
1794 (expand_setmem_prologue): New function.
1795 (decide_alg): New function.
1796 (decide_alignment): New function.
1797 (ix86_exand_movmem): Rewrite.
1798 (promote_duplicated_reg): New function.
1799 (ix86_expand_clrmem): Rename to ...
1800 (ix86_expand_setmem): ... this one. Rewrite.
1802 * invoke.texi (minline-stringops-dynamically): New command line option.
1803 (mstringop-strategy): Likewise.
1805 2006-11-27 Jan Hubicka <jh@suse.cz>
1807 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1808 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1809 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1810 * insn-notes.def (FUNCTION_END): Remove.
1811 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1812 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1814 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1815 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1816 * cfglayout.c (duplicate_insn_chain): Don't worry about
1819 2006-11-27 Richard Guenther <rguenther@suse.de>
1820 Zdenek Dvorak <dvorakz@suse.cz>
1822 * target.h (struct gcc_target): Add builtin_vectorized_function
1824 * target-def.h (TARGET_VECTORIZE): Likewise.
1825 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1826 Document new target hook.
1827 * targhooks.h (default_builtin_vectorized_function): Declare.
1828 * targhooks.c (default_builtin_vectorized_function): Define.
1829 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1830 (vectorizable_call): Declare.
1831 * tree-vect-analyze.c (vect_analyze_operations): Call
1833 * tree-vect-transform.c (vectorizable_function): New static function.
1834 (build_vectorized_function_call): Likewise.
1835 (vectorizable_call): New function.
1836 (vect_transform_stmt): Handle vectorizable calls.
1838 2006-11-27 Richard Guenther <rguenther@suse.de>
1841 * builtins.c (expand_builtin_pow): Optimize non integer valued
1842 constant exponents using sqrt or cbrt if possible. Always fall back
1843 to expanding via optabs.
1845 2006-11-27 Ira Rosen <irar@il.ibm.com>
1847 PR tree-optimization/22372
1848 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1849 the type of the base address.
1850 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1851 it in the data-ref pointer creation.
1852 (vect_init_vector): Add an argument, type of the init vector. Use it in
1854 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1855 (get_initial_def_for_reduction): Likewise.
1856 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1858 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1859 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1860 correct type in stmt creation.
1861 (vect_setup_realignment): Use the correct type in stmt creation.
1862 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1864 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1865 of MODIFY_EXPR to void_type_node.
1866 (vectorizable_condition): Change type of MODIFY_EXPR to
1868 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1871 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1874 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1875 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1876 standard 80387 constants, raise the cost to prevent
1877 compress_float_constant() to generate load from memory.
1879 * config/i386/i386.md: Add new splitter pattern to split
1880 float_extended load of constant from constant pool into
1883 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1885 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1886 section to general section. Remove documentation for
1887 --with-mpfr-dir and --with-gmp-dir, add documentation for
1888 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1891 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1893 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1895 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1897 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1899 PR tree-optimization/29122
1900 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1901 for the new version. Assign NULL to DECL_RTL of the new version.
1903 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1905 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1907 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1909 * cse.c (cse_altered): Remove.
1910 (record_jump_equiv): Make true/false argument a bool instead
1912 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1913 where appropriate. Emit a new jump before the existing one
1914 instead of after so that delete_insn_and_edges removes the
1915 dead edges properly. Check any_condjump_p before calling
1917 (cse_basic_block): Check any_condjump_p before calling
1919 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1921 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1923 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1924 -ffixed-line-length-* options.
1926 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1928 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1929 (fprem1xf4): Rename to fprem1xf4_i387.
1931 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1932 Rename patterns to fmod<mode>3. Use general_operand operand
1933 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1934 patterns for SSE math.
1935 (remaindersf3, remainderdf3): Ditto.
1937 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1939 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1940 inside start_sequence / end_sequence pair.
1942 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1944 * jump.c (mark_all_labels): Work in cfglayout mode.
1945 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1946 when in cfglayout mode, because there are no dead jumptables
1948 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1950 (commit_edge_insertions): Do not allow insertion of instructions
1951 with control flow insns when in cfglayout mode.
1953 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1955 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1957 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1958 unswitch_loop): Ditto.
1959 * tree-loop-linear.c (linear_transform_loops): Ditto.
1960 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1961 tree_ssa_lim): Ditto.
1962 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1963 free_numbers_of_iterations_estimates): Ditto.
1964 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1965 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1966 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1967 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1968 place_new_loop, duplicate_loop, duplicate_subloops,
1969 update_single_exit_for_duplicated_loops, copy_loops_to,
1970 duplicate_loop_to_header_edge, create_preheaders,
1971 force_single_succ_latches, loop_version, fix_loop_structure):
1973 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1974 tree_unroll_loop): Ditto.
1975 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1976 * tree-scalar-evolution.c (select_loops_exit_conditions,
1977 scev_initialize, scev_analysis): Ditto.
1978 * tree-scalar-evolution.h (scev_initialize): Ditto.
1979 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1980 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1981 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1982 * modulo-sched.c (sms_schedule): Ditto.
1983 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1984 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1985 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1986 * ifcvt.c (if_convert): Ditto.
1987 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1988 canonicalize_loop_induction_variables,
1989 canonicalize_induction_variables,
1990 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1991 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1992 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1993 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1994 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1995 tree_ssa_loop_done): Ditto.
1996 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1997 estimate_bb_frequencies): Ditto.
1998 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1999 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2000 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2001 decide_unrolling_and_peeling, peel_loop_completely,
2002 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2003 peel_loop_simple, unroll_loop_stupid): Ditto.
2004 * loop-doloop.c (doloop_optimize_loops): Ditto.
2005 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2006 * loop-invariant.c (move_loop_invariants): Ditto.
2007 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2008 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2009 tree_ssa_prefetch_arrays): Ditto.
2010 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2012 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2013 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2014 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2015 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2016 verify_loop_structure): Ditto.
2017 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2018 canonicalize_induction_variables, tree_unroll_loops_completely,
2019 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2020 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2021 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2022 tree_unroll_loop, linear_transform_loops): Declaration changed.
2023 * basic-block.h: Remove declaration of struct loops.
2024 * cfghooks.h (struct cfg_hooks): Change type of
2025 cfg_hook_duplicate_loop_to_header_edge.
2026 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2027 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2028 vect_transform_loop): Declaration changed.
2029 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2030 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2031 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2032 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2033 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2034 loopify, loop_version, remove_path, unswitch_loops,
2035 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2036 Declaration changed.
2038 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2040 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2041 (X87MODEF): New mode macro.
2042 (ssemodefsuffix): New mode attribute.
2043 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2044 (sqrt_extend<mode>xf2_i387): New insn pattern.
2045 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2046 insn and truncate result back to original mode using
2047 UNSPEC_TRUNC_NOOP truncation.
2048 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2049 ssemodefsuffix mode attribute.
2050 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2051 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2052 (*sqrtextenddfxf2_i387): Remove insn patterns.
2054 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2055 truncation patterns.
2057 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2059 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2062 * c-tree.h (c_maybe_initialize_eh): New prototype.
2063 * c-decl.c (finish_decl): Move EH initialization...
2064 (c_maybe_initialize_eh): ... here. New function.
2065 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2066 if not #pragma omp atomic.
2069 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2070 or UNION_TYPE inner types.
2072 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2075 * ipa-pure-const.c (check_tree): If the original tree
2076 is volatile return early and say the function is not pure
2077 nor const. Remove the volatile check for writes.
2078 (analyze_function): Print out the result of the local
2081 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2083 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2085 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2086 * config/rs6000/rs6000.c (rs6000_override_options): Use
2087 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2090 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2092 * config/s390.c (s390_emit_compare_and_swap): New function.
2093 (s390_expand_cs_hqi, s390_expand_atomic): Call
2094 s390_emit_compare_and_swap.
2096 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2098 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2100 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2104 * c-common.c (conversion_warning): New.
2105 (convert_and_check): Call conversion_warning unless there is an
2107 * doc/invoke.texi (-Wconversion): Update description.
2109 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2111 * tree-ssa-alias.c (tree_pointer_compare): New function.
2112 (compact_name_tags): New function.
2113 (group_aliases): Call compact_name_tags.
2115 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2117 * real.h (real_isinteger): Declare.
2118 * real.c (real_isinteger): Define.
2119 * builtins.c (integer_valued_real_p): Use it.
2121 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2124 * c.opt (Wtraditional-conversion): New.
2125 (Wconversion): Update description.
2126 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2127 type conversions different from what would happen in the absence
2128 of prototype are now handled by Wtraditional-conversion.
2129 * doc/invoke.texi (Wtraditional-conversion): New.
2130 (Wconversion): Update description.
2131 * doc/trouble.texi (Wconversion): Replace Wconversion by
2132 Wtraditional-conversion.
2134 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2136 * predict.c (tree_estimate_probability): Check to make
2137 sure current_loops is non null before calling flow_loops_dump.
2139 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2141 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2143 2006-11-23 David Ung <davidu@mips.com>
2145 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2147 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2148 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2149 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2150 high part of FP register when in 64-bit FP register mode. Similarly
2151 use gen_mfhc1 to load high part of FP register.
2152 (override_options): Allow -mgp32 and -mfp64 combination if
2153 ISA_HAS_MXHC1 (currently for O32 only).
2154 (mips_cannot_change_mode_class): If floating-point registers are
2155 bigger than word size. disallow conversion of float register from a
2156 large integer mode to a float mode smaller than the float register
2158 (mips_class_max_nregs): Handle float registers case seperately.
2159 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2161 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2162 (movdf_hardfloat_32bit): Similarly.
2163 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2164 support a full 64-bit fpu.
2165 (mthc1): New pattern to generate MTHC1 instruction.
2166 (mfhc1): New pattern to generate MFHC1 instruction.
2167 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2168 option for the MIPS32R2 and mention its use under O32 ABI.
2170 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2172 * var-tracking.c (emit_note_insn_var_location): Take care not to
2173 cause verify_flow_info failures.
2175 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2177 * tree-ssa-structalias.c: Remove edge weights in favor of just
2178 processing them as complex constraints.
2179 (struct constraint_graph): Remove weighted succs and preds. Rename
2180 nonweighted succs and preds.
2181 (constraint_edge): Removed.
2182 (constraint_edge_t): Ditto.
2183 (constraint_edge_pool): Ditto.
2184 (new_constraint_edge): Ditto.
2185 (constraint_edge_equal): Ditto.
2186 (constraint_edge_less): Ditto.
2187 (constraint_edge_vec_find): Ditto.
2188 (erase_self_graph_edge): Ditto.
2189 (add_graph_edge): Removed.
2190 (get_graph_weights): Ditto.
2191 (allocate_graph_weights): Ditto.
2192 (valid_weighted_graph_edge): Ditto
2193 (bitmap_other_than_zero_bit_set): Ditto.
2194 (int_add_graph_edge): Renamed to add_graph_edge.
2195 (clear_edges_for_node): Remove support for weighted edges.
2196 (merge_graph_nodes): Ditto.
2197 (valid_graph_edge): Ditto.
2198 (build_constraint_graph): Ditto.
2200 (collapse_nodes): Ditto.
2201 (process_unification_queue): Ditto.
2202 (topo_visit): Ditto.
2203 (do_ds_constraint): Ditto.
2204 (perform_var_subsitution): Ditto.
2205 (solve_graph): Ditto.
2206 (init_alias_vars): Ditto.
2207 (delete_points_to_sets): Ditto.
2208 (do_complex_constraint): Support offsetted copies here.
2210 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2212 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2214 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2216 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2219 2006-11-23 Ben Elliston <bje@au.ibm.com>
2221 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2223 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2225 PR tree-optimization/29921
2226 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2227 signed and unsigned zero equal.
2229 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2231 * config/rs6000/rs6000.c (get_store_dest): New.
2232 (adjacent_mem_locations): Use get_store_dest() to get
2233 the rtl of the store destination.
2235 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2237 * config/rs6000/spe.md (SPE64): New mode macro.
2238 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2240 (mov_si<mode>_e500_subreg0_2): New.
2241 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2243 (mov_si<mode>_e500_subreg4_2): New.
2244 * config/rs6000/predicates.md (input_operand): Do not allow
2245 invalid E500 subregs.
2246 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2248 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2249 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2250 involving vector modes if TARGET_SPE.
2252 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2255 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2256 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2258 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2260 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2261 mem_i_address_operand): New predicates.
2262 * config/bfin/bfin.c (bfin_issue_rate): New function.
2263 (TARGET_SCHED_ISSUE_RATE): New macro.
2264 * config/bfin/bfin.md (addrtype): New attribute.
2265 (slot0, slot1, slot2, store, pregs): New cpu_units.
2266 (core): Now a define_reservation.
2267 (alu): Remove some insn types from this reservation.
2268 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2270 (dummy reservation): Don't trigger for mcld insns.
2271 (absence_sets): Two new absence sets to enforce slot ordering.
2272 (popsi_insn): Set addrtype.
2274 2006-11-22 Ira Rosen <irar@il.ibm.com>
2276 * doc/c-tree.texi: Document new tree codes.
2277 * doc/md.texi: Document new optabs.
2278 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2280 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2281 * optabs.h (optab_index): Add new.
2282 (vec_extract_even_optab, vec_extract_odd_optab,
2283 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2284 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2285 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2287 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2288 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2289 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2290 along with macros for their access.
2291 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2293 * tree-vect-analyze.c (toplev.h): Include.
2294 (vect_determine_vectorization_factor): Fix indentation.
2295 (vect_insert_into_interleaving_chain,
2296 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2297 (vect_analyze_data_ref_dependence): Add argument for interleaving
2298 check. Check for interleaving if it's true.
2299 (vect_check_dependences): New function.
2300 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2301 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2302 (vect_update_misalignment_for_peel): Update for interleaving.
2303 (vect_verify_datarefs_alignment): Check only first data-ref for
2305 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2306 only first data-ref for interleaving.
2307 (vect_analyze_data_ref_access): Check interleaving, update
2309 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2310 with different parameters.
2311 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2312 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2313 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2314 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2315 Update step in case of interleaving.
2316 (vect_strided_store_supported, vect_permute_store_chain): New
2318 (vectorizable_store): Handle strided stores.
2319 (vect_strided_load_supported, vect_permute_load_chain,
2320 vect_transform_strided_load): New functions.
2321 (vectorizable_load): Handle strided loads.
2322 (vect_transform_stmt): Add argument. Handle strided stores. Check
2323 that vectorized stmt exists for patterns.
2324 (vect_gen_niters_for_prolog_loop): Update calculation for
2326 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2327 whole chain vectorization.
2328 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2329 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2330 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2331 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2332 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2334 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2336 * cse.c (enum taken): Remove PATH_AROUND.
2337 (addr_affects_sp_p, invalidate_skipped_set,
2338 invalidate_skipped_block): Remove.
2339 (cse_end_of_basic_block): Remove skip_blocks and related code.
2340 (cse_main): Don't test for flag_cse_skip_blocks.
2341 Update cse_end_of_basic_block call.
2342 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2343 code to lengthen the path if a jump was simplified.
2345 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2347 PR rtl-optimization/29924
2348 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2349 (unroll_loop_runtime_iterations): Assert that the argument passed to
2350 split_edge_and_insert is not NULL.
2351 * loop-doloop.c (add_test): Ditto.
2353 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2355 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2357 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2358 * cfgloopmanip.c (update_single_exits_after_duplication,
2359 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2360 * tree-scalar-evolution.c (get_loop_exit_condition,
2361 get_exit_conditions_rec, loop_closed_phi_def,
2362 number_of_iterations_in_loop, scev_const_prop): Ditto.
2363 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2364 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2366 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2368 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2369 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2370 slpeel_make_loop_iterate_ntimes,
2371 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2372 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2374 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2375 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2376 vect_analyze_loop_form): Ditto.
2377 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2378 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2379 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2380 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2381 vect_transform_loop): Ditto.
2382 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2383 (single_exit, set_single_exit): New functions.
2384 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2385 (single_exit, set_single_exit): Declare.
2386 * doc/loop.texi: Undocument single_exit field. Document single_exit
2389 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2391 PR tree-optimization/29902
2392 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2393 any involved ssa name appears in abnormal phi node.
2395 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2397 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2398 (xtensa_const_ok_for_letter_p): Delete.
2399 (xtensa_extra_constraint): Delete.
2400 (override_options): Delete xtensa_char_to_class initialization.
2401 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2402 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2403 (EXTRA_CONSTRAINT): Delete.
2404 * config/xtensa/xtensa.md: Include constraints.md.
2405 (call_internal): Combine alternatives.
2406 (call_value_internal): Likewise, and remove invalid constraints.
2407 * config/xtensa/constraints.md: New file.
2408 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2409 (xtensa_extra_constraint): Delete.
2410 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2413 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2415 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2416 of conversion that doesn't fit.
2418 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2419 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2420 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2422 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2424 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2426 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2428 2006-11-21 Richard Guenther <rguenther@suse.de>
2430 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2431 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2432 vect_recog_pow_pattern.
2433 (vect_recog_pow_pattern): New function.
2435 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2437 * config/bfin/bfin.opt (mstack-check-l1): New.
2438 * doc/invoke.texi (Blackfin Options): Document it.
2439 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2440 stack bounds in L1 memory if the new option is enabled.
2441 (override_options): Don't allow combinations of -fstack-limit and
2443 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2446 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2448 (bfin_register_move_cost): Bump costs if trying to move plain
2449 integer values through accumulators.
2451 2006-11-21 Ben Elliston <bje@au.ibm.com>
2453 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2455 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2456 Russell Olsen <Russell_Olsen@playstation.sony.com>
2457 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2458 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2459 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2460 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2461 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2463 * config.gcc: Add target for SPU.
2464 * config/spu/constraints.md: New file.
2465 * config/spu/crt0.c: New file.
2466 * config/spu/crtend.c: New file.
2467 * config/spu/crti.asm: New file.
2468 * config/spu/crtn.asm: New file.
2469 * config/spu/float_unsdidf.c: New file.
2470 * config/spu/float_unssidf.c: New file.
2471 * config/spu/predicates.md: New file.
2472 * config/spu/spu-builtins.def: New file.
2473 * config/spu/spu-builtins.h: New file.
2474 * config/spu/spu-builtins.md: New file.
2475 * config/spu/spu-c.c: New file.
2476 * config/spu/spu-elf.h: New file.
2477 * config/spu/spu-modes.def: New file.
2478 * config/spu/spu-protos.h: New file.
2479 * config/spu/spu.c: New file.
2480 * config/spu/spu.h: New file.
2481 * config/spu/spu.md: New file.
2482 * config/spu/spu.opt: New file.
2483 * config/spu/spu_internals.h: New file.
2484 * config/spu/spu_intrinsics.h: New file.
2485 * config/spu/spu_mfcio.h: New file.
2486 * config/spu/t-spu-elf: New file.
2487 * config/spu/vec_types.h: New file.
2488 * config/spu/vmx2spu.h: New file.
2489 * doc/contrib.texi: Document SPU contributor.
2490 * doc/extend.texi: Document SPU extensions.
2491 * doc/invoke.texi: Document SPU options.
2492 * doc/md.texi: Document SPU constraints.
2494 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2496 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2498 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2500 (flow_loop_dump): Do not dump loop level.
2501 (flow_loops_find): Do not call flow_loops_level_compute.
2502 * cfgloop.h (struct loop): Remove level field.
2504 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2506 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2507 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2508 Use vector of edges instead of array.
2509 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2510 estimate_numbers_of_iterations_loop): Ditto.
2511 * predict.c (predict_loops): Ditto.
2512 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2513 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2515 * basic-block.h: Declare heap allocation for edge vectors.
2516 * tree-outof-ssa.c: Ditto.
2517 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2518 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2520 2006-11-20 Zack Weinberg <zackw@panix.com>
2522 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2523 Add another out parameter, "skip".
2524 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2525 is tagged "skip", do not mark its type used.
2527 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2530 * tree-sra.c (single_scalar_field_in_record_p): New function.
2531 (decide_block_copy): Use it.
2533 2006-11-20 David Daney <ddaney@avtrex.com>
2535 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2536 PC to point to following instruction.
2538 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2542 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2544 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2546 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2548 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2549 Add sh/superh.h to tm_file.
2551 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2552 Mark Mitchell <mark@codesourcery.com>
2554 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2556 (cpp_relocated): New function.
2557 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2559 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2560 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2561 replace configured prefix with gcc_exec_prefix.
2563 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2565 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2566 bfin_legitimate_constant_p.
2567 * config/bfin/bfin.md (movsi expander): Check return value of
2569 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2570 (expand_move): Adjust prototype.
2571 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2572 invalid constants specially.
2573 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2575 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2577 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2578 sibcall_value_symbol): Allow these patterns if
2579 TARGET_LEAF_ID_SHARED_LIBRARY.
2580 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2581 (override_options): Turn on id shared library flags if -msep-data,
2582 but disallow the combination of these options on the command line.
2583 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2584 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2585 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2586 -mid-shared-library.
2587 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2588 * doc/invoke.texi (Blackfin Options): Document new switches.
2590 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2591 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2593 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2594 inflate costs for addresses with an out-of-bounds address.
2596 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2599 * fwprop.c (loops): Remove.
2600 (forward_propagate_into): Use current_loops instead of
2602 (fwprop_init): Call loop_optimizer_init instead of
2604 (fwprop_done): Call loop_optimizer_finalize instead of
2606 (fwprop): Use current_loops instead of loops.
2608 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2611 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2613 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2616 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2617 larger than BITS_PER_WORD.
2619 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2623 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2624 to MAX_FIXED_MODE_SIZE.
2626 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2628 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2629 (fold_builtin_fmin_fmax): New.
2630 (fold_builtin_1): Use it.
2632 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2634 2006-11-18 Richard Guenther <rguenther@suse.de>
2636 * config/i386/i386.c (ix86_builtins): New array for ix86
2637 builtin function decls.
2638 (def_builtin): New function.
2639 (def_builtin_const): Likewise.
2640 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2642 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2644 * doc/invoke.texi (core2): Add item.
2646 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2648 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2649 (TARGET_CPU_DEFAULT_generic): Change value.
2650 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2651 (processor_type): Add new constant PROCESSOR_CORE2.
2653 * config/i386/i386.md (cpu): Add core2.
2655 * config/i386/i386.c (core2_cost): New initialized variable.
2656 (m_CORE2): New macro.
2657 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2658 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2659 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2660 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2661 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2662 x86_accumulate_outgoing_args, x86_prologue_using_move,
2663 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2664 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2665 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2666 x86_pad_returns): Add m_CORE2.
2667 (override_options): Add entries for Core2.
2668 (ix86_issue_rate): Add case for Core2.
2670 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2672 * doc/invoke.texi: Fix mno-isel typo.
2674 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2676 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2677 easy vector constant loads.
2679 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2681 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2682 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2683 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2684 * config/rs6000/sync.md (lwsync): Emit plain sync if
2687 2006-11-17 DJ Delorie <dj@redhat.com>
2689 * reload1.c (reloads_unique_chain): New.
2690 (reloads_conflict): Call it.
2692 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2694 * config/xtensa/predicates.md (addsubx_operand): New.
2695 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2696 (xtensa_emit_bit_branch): New.
2697 (xtensa_emit_movcc): New.
2698 * config/xtensa/xtensa.md (any_minmax): New code macro.
2699 (minmax): New code attribute.
2700 (any_cond, any_scc, any_scc_sf): New code macros.
2701 (*addx2, *addx4, *addx8): Delete.
2703 (*subx2, *subx4, *subx8): Delete.
2705 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2706 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2707 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2708 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2709 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2710 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2711 (movsfcc_internal0, movsfcc_internal1): Likewise.
2712 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2713 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2714 (xtensa_emit_bit_branch): New.
2715 (xtensa_emit_movcc): New.
2716 (function_arg_boundary): Add missing prototype.
2718 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2720 * config/xtensa/xtensa.md (tstsi): Delete
2722 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2724 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2726 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2728 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2730 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2732 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2734 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2736 * tree-vrp.c (execute_vrp): Do not update current_loops.
2737 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2738 * doc/loop.texi: Remove documentation for cancelled functions.
2739 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2740 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2742 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2743 (remove_path): Ensure that in delete_basic_blocks, the loops
2744 are still allocated.
2745 (add_loop): Work on valid loop structures.
2746 (loopify): Modify call of add_loop.
2747 (mfb_update_loops): Removed.
2748 (create_preheader): Do not update loops explicitly.
2749 (force_single_succ_latches, loop_version): Do not use
2750 loop_split_edge_with.
2751 (loop_split_edge_with): Removed.
2752 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2753 Do not use bsi_insert_on_edge_immediate_loop.
2754 (split_loop_exit_edge, tree_unroll_loop): Do not use
2755 loop_split_edge_with.
2756 (bsi_insert_on_edge_immediate_loop): Removed.
2757 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2758 use loop_split_edge_with.
2759 * cfghooks.c: Include cfgloop.h.
2760 (verify_flow_info): Verify that loop_father is filled iff current_loops
2762 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2763 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2765 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2767 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2768 loop_split_edge_with.
2769 (sms_schedule): Use current_loops.
2770 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2771 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2773 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2774 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2775 * ifcvt.c (if_convert): Ditto.
2776 * predict.c (predict_loops): Do not clear current_loops.
2777 (tree_estimate_probability): Use current_loops.
2778 (propagate_freq): Receive head of the region to propagate instead of
2780 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2781 (estimate_loops): New function. Handle case current_loops == NULL.
2782 (estimate_bb_frequencies): Do not allocate tovisit. Use
2784 * tree-ssa-loop.c (current_loops): Removed.
2785 (tree_loop_optimizer_init): Do not return loops.
2786 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2787 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2788 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2789 Do not update loops explicitly.
2790 * function.h (struct function): Add x_current_loops field.
2791 (current_loops): New macro.
2792 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2793 * loop-unroll.c (split_edge_and_insert): New function.
2794 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2795 use loop_split_edge_with.
2796 * loop-doloop.c (add_test, doloop_modify): Ditto.
2797 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2798 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2799 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2800 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2802 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2803 (flow_loops_free): Do not free dfs_order and rc_order.
2804 (flow_loops_find): Do not set dfs_order and rc_order in loops
2805 structure. Do not call loops and flow info verification.
2806 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2807 already belongs to some loop.
2808 * cfgloop.h (struct loops): Remove struct cfg.
2809 (current_loops, loop_split_edge_with): Declaration removed.
2810 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2811 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2812 Declaration removed.
2813 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2814 * basic-block.h (split_edge_and_insert): Declare.
2815 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2817 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2819 PR tree-optimization/29801
2820 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2821 (get_default_value): Use get_symbol_constant_value.
2822 (set_lattice_value): ICE when the value of the constant is
2824 (visit_assignment): Ignore VDEFs of read-only variables.
2826 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2828 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2830 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2831 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2833 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2835 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2836 select subvars of var.
2838 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2841 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2842 optimize if DEF doesn't have integral type.
2844 2006-11-16 Mike Stump <mrs@apple.com>
2846 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2847 pre-darwin9 system, unless the user asks for it directly.
2848 (PREFERRED_DEBUGGING_TYPE): Likewise.
2849 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2850 * config.gcc: Add suppport for darwin9.h.
2851 * config/darwin9.h: Add.
2852 * doc/install.texi (Specific): Clarify darwin documentation.
2854 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2856 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2857 optimizing for size.
2859 2006-11-16 Mike Stump <mrs@apple.com>
2861 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2863 2006-11-16 Dirk Mueller <dmueller@suse.de>
2865 * tree-vrp.c (get_value_range): Use XCNEW instead
2867 (insert_range_assertions): Use XCNEWVEC instead
2868 of XNEWVEC and memset.
2869 (vrp_initialize): Same.
2870 (vrp_finalize): Same.
2871 * tree-ssa-ccp.c (ccp_initialize): Same.
2872 * predict.c (tree_bb_level_predictions): Same.
2873 * calls.c (expand_call): Same.
2874 * tree-ssa-copy.c (init_copy_prop): Same.
2875 (fini_copy_prop): Same.
2876 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2877 of GGC_NEW and memset.
2879 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2882 * gimplify.c (gimplify_expr): Only force a load for references to
2883 non-BLKmode volatile values.
2884 * doc/implement-c.texi (Qualifiers implementation): Document the
2885 interpretation of what a volatile access is.
2886 * doc/extend.texi (C++ Extensions): Rework same documentation.
2888 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2890 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2893 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2895 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2897 (arm_neg_abssi2): Renamed from neg_abssi2.
2898 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2900 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2902 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2903 number of arguments passed to local functions in SSE registers is 3.
2905 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2906 number of arguments passed in SSE registers to 3.
2908 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2911 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2913 (get_last_bb_insn): ... new global function.
2914 (basic_block.h): Declare it.
2915 * haifa-sched.c (create_recovery_block): Use it.
2917 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2920 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2922 2006-11-15 Paul Brook <paul@codesourcery.com>
2924 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2925 _Unwind_GetTextRelBase): Move from here ...
2926 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2927 _Unwind_GetTextRelBase): ... To here.
2929 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2931 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2932 addresses we generate for testing are aligned.
2934 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2937 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2938 to what is the const decl is a place holder for.
2940 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2942 * config/i386/i386.opt: New target option -mx87regparm.
2944 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2945 and float_in_x87 variables. mmx_words, sse_words: Remove.
2946 (X87_REGPARM_MAX): Define.
2948 * config/i386/i386.c (override_options): Error out for
2949 -mx87regparm but no 80387 support.
2950 (ix86_attribute_table): Add x87regparm.
2951 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2952 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2953 (ix86_function_x87regparm): New function.
2954 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2956 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2958 (function_arg_advance): Process x87_nregs and x87_regno when
2959 floating point argument is to be passed in 80387 register.
2960 (function_arg): Pass XFmode arguments in 80387 registers for local
2961 functions. Pass SFmode and DFmode arguments to local functions
2962 in 80387 registers when flag_unsafe_math_optimizations is set.
2964 * reg-stack.c (convert_regs_entry): Disable NaN load for
2965 stack registers that are used for argument passing.
2967 * doc/extend.texi: Document x87regparm function attribute.
2968 * doc/invoke.texi: Document -mx87regparm.
2970 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2972 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2973 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2974 arg MODE; all callers changed. Use it to determine validity per
2975 machine mode instead of using Pmode for all memory references.
2976 (get_address_cost): Likewise add and use new arg MEM_MODE.
2978 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2979 J"orn Rennecke <joern.rennecke@st.com>
2981 * combine.c (likely_spilled_retval_1): Fix masking operation.
2982 (likely_spilled_retval_p): Use proper pattern for call to
2983 likely_spilled_retval_1.
2985 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2987 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2989 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2990 that tests for CONSTANT_POOL_ADDRESS_P.
2992 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2994 PR tree-optimization/29581
2995 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2996 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2997 type is different between Y and USE, create a temporary
2998 variable, initialize it at the beginning of the body bb
2999 and use it as replacement instead of Y.
3001 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3004 * gimplify.c (fold_indirect_ref_rhs): Use
3005 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3007 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3009 * expmed.c (emit_store_flag_1): New function.
3010 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3012 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3013 Use do_compare_rtx_and_jump.
3014 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3015 * arm.md (cstoresi4): New define_expand.
3016 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3017 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3018 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3020 2006-11-14 Caroline Tice <ctice@apple.com>
3022 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3023 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3025 (pubname_table): Redefine as a vector.
3026 (pubtype_table): New static global variable, defined as a vector.
3027 (pubname_table_allocated): Remove static global variable.
3028 (pubname_table_in_use): Remove static global variable.
3029 (PUBNAME_TABLE_INCREMENT): Remove constant.
3030 (size_of_pubnames): Add parameter to deal with either pubnames or
3031 pubtypes, and change code to deal with table being a vector.
3032 (add_pubname): Change to deal with table being a vector.
3033 (add_pubtype): New function.
3034 (output_pubnames): Add parameter to deal with either pubnames or
3035 pubtypes, and change code to deal with table being a vector.
3036 (gen_array_type_die): Add call to add_pubtype.
3037 (gen_enumeration_type_die): Add call to add_pubtype.
3038 (gen_struct_or_union_type_die): Add call to add_pubtype.
3039 (gen_subroutine_type_die): Add call to add_pubtype.
3040 (gen_typedef_die): Add call to add_pubtype.
3041 (dwarf2out_init): Add code to initialize pubname_table and
3042 pubtype_table vectors; also initialize debug_pubtypes_section.
3043 (prune_unused_types): Change to deal with pubnames being a vector.
3044 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3045 pubnames table to call to output_pubnames; Add code to output pubtypes
3046 table if DEBUG_PUBTYPES_SECTION is defined.
3047 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3049 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3051 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3053 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3054 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3055 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3056 movv2si_internal): Support moves between core registers.
3058 2006-11-14 Eric Christopher <echristo@apple.com>
3060 * configure: Regenerate with autoconf 2.59.
3062 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3064 Fix PR tree-optimization/27755
3066 * tree-ssa-pre.c: Update comments.
3067 (bb_bitmap_sets): Add pa_in and deferred member.
3068 (BB_DEFERRED): New macro.
3069 (maximal_set): New variable.
3070 (pre_stats): Add pa_insert member.
3071 (bitmap_set_and): Short circuit orig == dest.
3072 (bitmap_set_subtract_values): New function.
3073 (bitmap_set_contains_expr): Ditto.
3074 (translate_vuses_through_block): Add phiblock argument.
3075 (dependent_clean): New function.
3076 (compute_antic_aux): Update for maximal_set changes.
3077 (compute_partial_antic_aux): New function.
3078 (compute_antic): Handle partial anticipation.
3079 (do_partial_partial_insertion): New function.
3080 (insert_aux): Handle partial anticipation.
3081 (add_to_sets): Add to maximal set.
3082 (compute_avail): Ditto.
3083 (init_pre): Initialize maximal_set.
3084 (execute_pre): Do partial anticipation if -O3+.
3086 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3088 PR rtl-optimization/29798
3090 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3091 TARGET_INSN before any other check.
3092 (fwprop_init): Always calculate dominators.
3093 (fwprop_done): Always free them.
3095 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3097 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3100 2006-11-13 DJ Delorie <dj@redhat.com>
3102 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3103 temporary for intermediates.
3105 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3107 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3108 (sh_optimize_target_register_callee_saved): #if 0 the code
3109 using NOTE_INSN_LOOP_{BEG,END}.
3111 2006-11-13 Roger Sayle <roger@eyesopen.com>
3113 * fold-const.c (optimize_bit_field_compare): Recursively call
3114 fold when simplifying non-constant comparisons between bit-fields.
3116 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3118 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3120 * configure: Rebuilt.
3122 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3124 * config/rs6000/cell.md: New file.
3125 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3127 (ppccell_cost): New cost matrix.
3128 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3129 (rs6000_override_options): Set rs6000_always_hint to false
3130 for cell. Also align functions/lables/loops to 8byte
3131 for the Cell. Use PROCESSOR_CELL.
3132 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3133 using_mtcr_multiple.
3134 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3135 on the Cell, return 0.
3136 (rs6000_adjust_cost): Add Cell cost adjustments.
3137 (is_microcoded_insn): Return true for Cell microcoded
3139 (is_nonpipeline_insn): New function.
3140 (rs6000_issue_rate): Add PROCESSOR_CELL.
3141 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3143 (rs6000_use_sched_lookahead_guard): New function.
3144 (rs6000_sched_reorder): Reorder the ready list, if the second
3145 to last ready insn is a nonepipeline insn on the Cell.
3146 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3147 (ASM_CPU_SPEC): Add Cell.
3148 * config/rs6000/rs6000.md (cpu): Add Cell.
3149 (cell_micro): New Attr.
3152 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3154 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3156 * configure: Rebuilt.
3158 2006-11-13 Richard Guenther <rguenther@suse.de>
3160 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3162 (ix86_expand_lfloorceil): Likewise.
3163 (ix86_expand_rint): Likewise.
3164 (ix86_expand_floorceildf_32): Likewise.
3165 (ix86_expand_floorceil): Likewise.
3166 (ix86_expand_rounddf_32): Likewise.
3167 (ix86_expand_truncdf_32): Likewise.
3168 (ix86_expand_round): Likewise.
3170 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3171 Mark Mitchell <mark@codesourcery.com>
3173 * gcc.c: Organize search path variables into $prefix relative,
3174 and well-known native. Add comments.
3175 (add_sysrooted_prefix): Add comment.
3176 (process_command): If !gcc_exec_prefix add $prefix based paths.
3177 If *cross_compile == '0', add native well-known paths.
3178 Assert tooldir_base_prefix is always relative.
3179 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3180 use this value for 'install:' path.
3181 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3183 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3185 * config/i386/i386.c: Fix a typo in comment.
3187 2006-11-13 Michael Matz <matz@suse.de>
3189 * genemit.c (gen_expand): Allocate enough memory.
3191 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3193 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3194 __GXX_TYPEINFO_EQUALITY_INLINE but not
3195 __GXX_MERGED_TYPEINFO_NAMES.
3196 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3197 __GXX_MERGED_TYPEINFO_NAMES.
3198 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3199 __GXX_TYPEINFO_EQUALITY_INLINE.
3201 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3202 Zdenek Dvorak <dvorakz@suse.cz>
3204 PR tree-optimization/29680
3205 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3208 2006-11-12 Jason Merrill <jason@redhat.com>
3209 Andrew Pinski <pinskia@physics.uc.edu>
3212 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3214 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3216 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3217 * tree.c (build_vector): Handle non-_CST elements.
3219 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3221 * genemit.c (gen_insn): Call gen_exp with a non-null used
3222 when handling multiple insns.
3223 (gen_expand): Likewise.
3224 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3225 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3226 (movsi_const_16bit+1): Copy operands[1].
3227 (call_pcrel): Copy the call_site pattern.
3228 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3230 2006-11-12 Roger Sayle <roger@eyesopen.com>
3232 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3233 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3234 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3235 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3237 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3239 Fix PR tree-optimization/29587
3240 * tree-ssa-structalias.c (process_constraint): Don't
3241 mark address taken due only to escaped vars constraint.
3243 2006-11-12 Michael Matz <matz@suse.de>
3244 Roger Sayle <roger@eyesopen.com>
3246 PR rtl-optimization/29797
3247 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3248 BITS_BIG_ENDIAN targets.
3250 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3252 * builtins.c (fold_builtin_cosh): New.
3253 (fold_builtin_1): Use it.
3254 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3255 trunc to the list of "odd" functions. Also add llrint, lrint,
3256 rint and nearbyint when flag_rounding_math is false.
3258 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3260 * tree-flow.h (name_mappings_registered_p): Declare.
3261 * tree-into-ssa.c (name_mappings_registered_p): New function.
3262 * tree-cfg.c (tree_can_merge_blocks_p): Check
3263 name_mappings_registered_p instead of need_ssa_update_p.
3265 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3267 * tree-ssa-loop.c (tree_vectorize): Return the result of
3269 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3270 if anything changed.
3271 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3272 * tree-flow.h (vectorize_loops): Declaration changed.
3274 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3276 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3278 (issue_prefetch_ref): Move assignment to write_p out of loop.
3279 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3280 SIMULTANEOUS_PREFETCHES into account.
3281 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3282 * lambda-code.c (lcm): Renamed to ...
3283 (least_common_multiple): ... and exported.
3284 * tree-flow.h (least_common_multiple): Declare.
3286 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3288 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3289 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3290 ud-chains. Handle AND_EXPR.
3291 (record_estimate): Record whether the estimate is realistic
3292 and whether it is derived from a loop exit.
3293 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3294 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3296 (compute_estimated_nb_iterations): Take only realistic bounds into
3297 account. Set estimate_state. Use double_ints.
3298 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3299 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3300 that do not have to be always executed.
3301 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3302 to determine whether to call infer_loop_bounds_from_undefined
3303 and compute_estimated_nb_iterations.
3304 (n_of_executions_at_most): Use double_ints.
3305 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3306 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3307 * double-int.c (double_int_to_tree): Improve comment.
3308 (double_int_fits_to_tree_p): New function.
3309 * double-int.h (double_int_fits_to_tree_p): Declare.
3310 * tree-data-ref.c: Include langhooks.h.
3311 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3312 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3313 (analyze_array): Do not pass estimate_only argument to
3314 analyze_array_indexes.
3315 (get_number_of_iters_for_loop): Build tree from the stored double_int
3317 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3318 (find_data_references_in_loop): Use find_data_references_in_stmt.
3319 * tree-data-ref.h (struct data_ref_loc_d): New.
3320 (get_references_in_stmt): Declare.
3321 (estimate_iters_using_array): Declaration removed.
3322 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3323 double_int. Improve comments. Add is_exit and realistic
3325 (struct loop): Changed type of estimated_nb_iterations to double_int.
3326 Added estimate_state field.
3327 (record_estimate): Declaration removed.
3329 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3331 * params.c (set_param_value): Initialize the "set" field.
3332 * params.h (struct param_info): Add "set" field.
3333 (PARAM_SET_P): New macro.
3334 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3335 L1_CACHE_LINE_SIZE): New macros.
3336 * toplev.c (DEFPARAM): Initialize the "set" field.
3337 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3338 SIMULTANEOUS_PREFETCHES): Removed.
3339 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3340 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3341 * config/sparc/sparc.c: Include params.h.
3342 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3343 L1_CACHE_LINE_SIZE parameters.
3344 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3346 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3348 * config/i386/i386.c: Include params.h.
3349 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3350 (override_options): Set SIMULTANEOUS_PREFETCHES and
3351 L1_CACHE_LINE_SIZE parameters.
3352 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3353 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3354 L1_CACHE_LINE_SIZE parameters.
3355 * config/ia64/ia64.c (ia64_optimization_options): Set
3356 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3357 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3359 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3360 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3361 * doc/invoke.texi: Document new params.
3363 2006-11-12 Roger Sayle <roger@eyesopen.com>
3365 PR tree-optimization/13827
3366 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3369 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3371 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3372 update_single_exit_for_duplicated_loops): New functions.
3373 (duplicate_loop_to_header_edge): Use
3374 update_single_exit_for_duplicated_loops.
3375 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3376 functions only with ENABLE_CHECKING.
3378 2006-11-12 Andreas Schwab <schwab@suse.de>
3380 * except.c (sjlj_emit_function_enter): Remove unused variable.
3382 2006-11-11 Roger Sayle <roger@eyesopen.com>
3384 * fold-const.c (int_binop_types_match_p): New function.
3385 (size_binop): Relax constraint that both arguments must both have
3386 exactly the same sizetype type. Instead use int_binop_types_match_p.
3387 (size_diffop): Likewise.
3389 (make_range): Use build_int_cst instead of fold_convert.
3390 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3391 integer constants of the correct type.
3392 (fold_div_compare): Likewise.
3393 (fold_single_bit_test): Likewise.
3394 (fold_binary): Likewise.
3395 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3396 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3398 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3401 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3402 non null value if the struct memory access is in the 0th
3405 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3408 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3409 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3412 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3413 instead of builtin_define for bfin and BFIN.
3415 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3417 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3420 2006-11-11 Jan Hubicka <jh@suse.cz>
3422 * extend.texi (__builtin_expect): We no longer require second argument
3424 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3425 * builtins.c (expand_builtin_expect): Simplify.
3426 (expand_builtin_expect_jump): Kill.
3427 * final.c (final_scan_insn): Do not skip the removed notes.
3428 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3429 EXPECTED_VALUE): Remove.
3430 * dojump.c (do_jump): Do not care about __builtin_expect.
3431 * predict.c (expected_value_to_br_prob): Kill.
3432 * function.c (expand_function_end): Do not expand
3433 NOTE_INSN_REPEATED_LINE_NUMBER.
3434 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3435 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3436 * cfgexpand.c (add_reg_br_prob_note): Export.
3437 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3438 expected_value_to_br_prob.
3439 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3440 * rtl.h (add_reg_br_prob_note): Declare.
3442 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3444 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3446 2006-11-11 Jan Hubicka <jh@suse.cz>
3448 * predict.c (predict_loops): Kill RTL variant.
3450 2006-11-11 Jan Hubicka <jh@suse.cz>
3452 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3453 * modulo-sched.c (find_line_note): Remove.
3454 (loop_canon_p): Do not worry about line number notes.
3455 (sms_schedule): Likewise.
3456 * cse.c (cse_main): Likewise.
3457 * regmove.c (fixup_match_1): Likewise
3458 * function.c (emit_return_info_block): Likewise.
3459 (expand_function_end): Likewise.
3460 (thread_prologue_an_epilogue_insns): Likewise.
3461 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3463 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3464 emit_note_copy_after): Kill.
3465 (emit_note_copy): Do not worry about line numbers.
3466 * jump.c (purge_line_number_notes): Kill.
3467 (pass_purge_lineno_notes): Kill.
3468 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3470 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3471 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3472 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3473 * tree-pass.h (pass_purge_lineno_notes): Kill.
3474 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3475 rm_redundant_line_notes.
3476 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3477 rm_redundant_line_notes.
3478 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3479 * haifa-sched.c: Update comment about handling notes.
3480 (unlink_line_notes): Kill.
3481 (rm_line_notes): Kill.
3482 (save_line_notes): Simplify.
3483 (rm_redundant_line_notes): Kill.
3485 2006-11-11 Richard Guenther <rguenther@suse.de>
3487 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3488 Remove unused tree codes.
3489 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3490 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3491 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3492 * tree.c (stabilize_reference): Likewise.
3493 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3494 fold_unary): Likewise.
3495 * tree-gimple.c (is_gimple_cast): Likewise.
3496 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3497 * expr.c (expand_expr_real_1): Likewise.
3498 * tree-eh.c (tree_could_trap_p): Likewise.
3499 * gimplify.c (gimplify_expr): Likewise.
3500 * tree-inline.c (estimate_num_insns_1): Likewise.
3501 * tree-cfg.c (verify_expr): Likewise.
3503 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3505 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3506 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3507 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3509 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3512 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3513 constraints accept neither registers or memories.
3515 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3517 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3518 (NO_PROFILE_COUNTERS): Define as 1.
3520 2006-11-10 Roger Sayle <roger@eyesopen.com>
3522 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3523 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3525 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3527 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3529 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3531 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3532 (fold_builtin_hypot): Likewise.
3533 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3535 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3537 2006-11-10 Roger Sayle <roger@eyesopen.com>
3539 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3540 when attempting to build INTEGER_CSTs of non-integral types.
3541 * expmed.c (make_tree): Use the correct type, i.e. the inner
3542 type, when constructing the individual elements of a CONST_VECTOR.
3544 2006-11-10 Jan Hubicka <jh@suse.cz>
3546 * cse.c (cse_process_notes): Copy the propagated value.
3547 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3549 * gcse.c (try_replace_reg): Copy the replacement.
3550 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3551 (assign_386_stack_local): Always return copied memory expression
3552 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3555 2006-11-10 Jan Hubicka <jh@suse.cz>
3557 * final.c (final): Walk from first instruction.
3558 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3560 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3563 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3565 (umulv8hi3_highpart): Ditto.
3566 (vec_widen_smult_hi_v8hi): New expander.
3567 (vec_widen_smult_lo_v8hi): Ditto.
3569 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3572 * builtins.c (do_mpfr_arg3): New.
3573 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3575 2006-11-09 Eric Christopher <echristo@apple.com>
3580 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3581 * config.gcc (powerpc64-*-darwin*): New target.
3582 * config.host: Ditto.
3583 * config/rs6000/darwin64.h: New file.
3584 * config/rs6000/x-darwin64: Ditto.
3585 * config/rs6000/host-ppc64-darwin.c: Ditto.
3587 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3589 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3590 routines for integer division.
3592 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3594 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3596 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3599 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3601 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3603 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3604 simplify_subreg with BLKmode outer mode.
3606 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3608 * doc/invoke.texi: Minor formatting fixes in option lists.
3610 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3612 PR tree-optimization/29738
3613 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3614 (ccp_lattice_t): Remove UNKNOWN_VAL.
3615 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3616 Do not handle UNKNOWN_VAL.
3617 (get_default_value): Set initial value of virtual operands to
3619 (get_value): Always use get_default_value on uninitialized
3621 (set_value_varying, surely_varying_stmt_p): New functions.
3622 (set_lattice_value): Do not pass argument to get_value.
3623 Do not handle UNKNOWN_VAL.
3624 (likely_value): Follow the semantics described in the comment.
3625 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3626 phi nodes DONT_SIMULATE_AGAIN.
3627 (ccp_fold): Do not pass argument to get_value.
3628 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3631 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3633 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3634 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3636 2006-11-08 Roger Sayle <roger@eyesopen.com>
3638 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3639 test for inclusion rather than as a test for exclusion.
3640 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3641 the condition after calling fold_binary.
3642 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3643 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3644 * builtins.c (fold_builtin_isascii): Likewise.
3645 (fold_builtin_isdigit): Likewise.
3647 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3649 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3650 * configure: Regenerate.
3652 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3654 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3655 enum argument instead of bool.
3656 (vect_analyze_operations): Call vectorizable_type_promotion.
3657 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3658 stmt_vec_info_type value.
3659 (supportable_widening_operation, vectorizable_type_promotion): New
3660 function declarations.
3661 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3662 (vectorizable_type_promotion): New function.
3663 (vect_transform_stmt): Call vectorizable_type_promotion.
3664 * tree-vect-analyze.c (supportable_widening_operation): New function.
3665 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3667 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3670 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3671 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3672 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3674 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3675 * expr.c (expand_expr_real_1): Likewise.
3676 * optabs.c (optab_for_tree_code): Likewise.
3677 (init_optabs): Initialize new optabs.
3678 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3679 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3680 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3681 vec_unpacku_lo_optab): Initialize new optabs.
3682 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3683 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3684 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3686 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3687 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3688 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3689 (vec_unpacku_lo_optab): New optabs.
3690 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3691 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3692 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3693 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3694 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3695 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3697 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3698 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3699 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3700 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3701 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3702 implement the unsigned unpacking patterns.
3703 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3704 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3705 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3706 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3707 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3708 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3709 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3710 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3711 multiplication patterns.
3713 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3714 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3715 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3716 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3717 (rs6000_builtin_mul_widen_odd): New.
3718 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3719 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3720 * tree-vectorizer.h (enum vect_relevant): New enum type.
3721 (_stmt_vec_info): Field relevant chaned from bool to enum
3723 (STMT_VINFO_RELEVANT_P): Updated.
3724 (STMT_VINFO_RELEVANT): New.
3725 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3726 instead of STMT_VINFO_RELEVANT_P.
3727 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3728 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3729 and boolean variable with enum vect_relevant.
3730 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3731 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3732 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3734 2006-11-08 Richard Henderson <rth@redhat.com>
3736 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3737 vec_widen_umult_lo_v8hi): New.
3738 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3739 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3741 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3742 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3743 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3744 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3745 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3746 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3747 vec_unpacks_lo_v4si): New.
3749 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3751 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3752 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3753 (vect_analyze_operations): Call vectorizable_type_demotion.
3754 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3755 stmt_vec_info_type value.
3756 (vectorizable_type_demotion): New function declaration.
3757 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3760 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3761 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3763 * tree-iniline.c (estimate_num_insns_1): Likewise.
3764 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3765 * optabs.c (optab_for_tree_code): Likewise.
3767 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3768 compared against the predicate of the result is not 'mode' (the input
3769 to the function) but a mode with half the size of 'mode'.
3770 (init_optab): Initialize new optabs.
3771 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3773 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3775 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3776 (vec_pack_usat_optab): Initialize new optabs.
3777 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3778 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3780 2006-11-08 Richard Henderson <rth@redehat.com>
3782 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3783 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3784 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3785 (vec_interleave_highv4si, vec_interleave_lowv4si):
3786 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3788 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3790 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3792 (vect_transform_stmt): Removed redundant code.
3794 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3796 * tree-vect-transform.c (vectorizable_operation): Support multiple
3799 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3801 * tree-vect-transform.c (vect_align_data_ref): Removed.
3802 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3803 Updated function documentation. Return the increment stmt in ptr_incr.
3804 (bump_vector_ptr): New function.
3805 (vect_get_vec_def_for_stmt_copy): New function.
3806 (vect_finish_stmt_generation): Create a stmt_info to newly created
3808 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3810 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3811 VF is greater than the number of elements that can fit in one vector
3813 (vectorizable_operation, vectorizable_condition): Likewise.
3814 (vectorizable_store, vectorizable_load): Support the case that the VF
3815 is greater than the number of elements that can fit in one vector word.
3816 (vect_transform_loop): Don't fail in case of multiple data-types.
3817 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3818 in case of multiple data-types; the smallest type determines the VF.
3819 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3820 if they are of different sizes.
3821 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3822 number of elements rather than number of bytes.
3823 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3824 (vect_can_advance_ivs_p): Fix a dump printout
3826 2006-11-07 Eric Christopher <echristo@apple.com>
3828 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3829 (__bswapsi2): Ditto.
3830 * libgcc2.h: Remove transformation of bswap routines.
3831 * config/i386/i386.md (bswapsi2): New.
3834 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3836 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3837 (handle_gnu_inline_attribute): New function.
3838 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3839 (merge_decls, start_decl, start_function): Likewise.
3840 * doc/extend.texi: Document gnu_inline attribute.
3842 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3845 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3846 _fixunstfdi, and _floatditf
3848 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3850 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3852 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3853 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3854 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3855 which start in an odd register.
3857 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3859 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3861 2006-11-07 Josh Conner <jconner@apple.com>
3863 * doc/invoke.texi (fstrict-aliasing): Move implementation
3865 * doc/tree-ssa.texi (Alias analysis): ...here.
3867 2006-11-07 Richard Guenther <rguenther@suse.de>
3869 PR tree-optimization/29610
3870 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3871 of tree_purge_dead_eh_edges as it may free dominators.
3873 * g++.dg/other/pr29610.C: New testcase.
3875 2006-11-07 David Ung <davidu@mips.com>
3877 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3878 costs when optimizing for size.
3879 (override_options): Use mips_rtx_cost_optimize_size table for cost
3882 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3884 * gcc.c (process_command): Treat -b as normal switch if its argument
3887 2006-11-07 David Ung <davidu@mips.com>
3889 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3892 2006-11-06 Eric Christopher <echristo@apple.com>
3894 * config.gcc: Add x86_64-darwin host support.
3895 * config.host: Ditto.
3896 * config/i386/darwin64.h: New file.
3897 * config/i386/t-darwin64: Ditto.
3899 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3901 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3902 and output-exists-not.
3904 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3907 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3908 checking for overflow.
3910 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3912 * configure.ac: Fixed typo in case statement: :: changed to ;;
3914 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3916 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3917 count_leading_zeros, and count_trailing_zeros.
3918 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3919 (TARGET_FOLD_BUILTIN): Define.
3920 (TARGET_EXPAND_BUILTIN): Define.
3921 (xtensa_init_builtins): New.
3922 (xtensa_fold_builtin): New.
3923 (xtensa_expand_builtin): New.
3924 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3925 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3926 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3927 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3928 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3929 (any_extend): New code macro.
3930 (u, su): New code attributes.
3931 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3932 (nsau): Remove; replaced by clzsi2.
3933 (ffssi2): Use clzsi2.
3934 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3935 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3936 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3937 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3938 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3940 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3942 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3944 * config/arm/t-strongarm-elf: Likewise.
3945 * config/arm/t-pe: Likewise.
3946 * config/arm/t-arm-elf: Likewise.
3947 * config/arm/t-xscale-elf: Likewise.
3948 * config/arm/t-arm-coff: Likewise.
3949 * config/arm/t-xscale-coff: Likewise.
3950 * config/arm/t-wince-pe: Likewise.
3952 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3954 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3957 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3960 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3963 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3966 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3967 as a valid 80387 constant.
3968 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3969 * config/i386/i386.md (unnamed splitter): Split the load of
3970 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3973 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3975 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3976 from the soft-frame, argument and virtual registers.
3978 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3980 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3981 patterns for standard 80387 constants.
3983 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3984 Steven Bosscher <steven@gcc.gnu.org>
3986 * fwprop.c: New file.
3987 * Makefile.in: Add fwprop.o.
3988 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3989 * passes.c (init_optimization_passes): Schedule forward propagation.
3990 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3992 * timevar.def (TV_FWPROP): New.
3993 * common.opt (-fforward-propagate): New.
3994 * opts.c (decode_options): Enable forward propagation at -O2.
3995 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3996 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3997 canon_for_address, table_size): Remove.
3998 (new_basic_block, insert, remove_from_table): Remove references to
4000 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4001 simplification loop more straightforward by not calling fold_rtx
4003 (equiv_constant): Move here a small part of fold_rtx_subreg,
4004 do not call fold_rtx. Call avoid_constant_pool_reference
4006 * recog.h (canonicalize_change_group): New.
4008 * doc/invoke.texi (Optimization Options): Document fwprop.
4009 * doc/passes.texi (RTL passes): Document fwprop.
4011 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4013 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4014 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4015 (grokdeclarator): Likewise.
4017 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4019 * tree-dump.c (dump_enable_all): Rename local variable
4020 ir_type to avoid name conflicts.
4021 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4022 instead of using ir_type().
4023 * profile.c (tree_register_profile_hooks): Likewise.
4024 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4025 * basic-block.h (struct edge_def): Likewise.
4026 * config/arm/arm.c (legitimize_pic_address): Likewise.
4027 * coretypes.h (ir_type): New enum of all intermediate languages
4029 * cfghooks.c (ir_type): Rename to...
4030 (current_ir_type): ...this. Distinguish between cfgrtl and
4031 cfglayout mode when the current IR is RTL. Return enum ir_type.
4032 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4034 2006-11-03 Paul Brook <paul@codesourcery.com>
4036 * config/arm/arm.c (arm_file_start): New function.
4037 (TARGET_ASM_FILE_START): Define.
4038 (arm_default_cpu): New variable.
4039 (arm_override_options): Set arm_default_cpu.
4041 2006-11-03 David Ung <davidu@mips.com>
4043 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4044 PROCESSOR_24KC and PROCESSOR_24KF.
4045 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4046 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4047 (mips_rtx_cost_data): Add costs for the 24kc.
4048 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4049 * config/mips/24k.md: Remove references to 24k and replace with
4050 uses of 24kc/24kf in the appropriate reservations.
4051 * doc/invoke.texi (MIPS Options): Updated.
4053 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4055 * config/sh/crt1.asm: Fix #ifdef indent.
4057 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4058 Merged from STMicroelectronics sources:
4059 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4060 * config/sh/crt1.asm (vbr_600): Add missing #if.
4061 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4062 * sh.opt (mfused-madd): New option.
4063 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4064 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4065 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4066 Remove pointless handler at VBR+0.
4067 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4068 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4069 fr7. Make sure the timer handler is called with the correct FPU
4070 precision setting, according to the ABI.
4071 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4072 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4073 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4074 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4075 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4076 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4077 zero as second operand.
4078 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4079 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4080 Fixed some bugs related to negative values, in particular -0
4081 and overflow at -0x80000000.
4082 * config/sh/divcost-analysis: Added sh4-300 figures.
4083 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4084 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4085 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4086 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4087 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4088 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4090 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4092 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4093 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4094 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4095 mac_mem, mem_mac, dfp_mul, fp_cmp.
4096 (insn_class, dfp_comp, any_fp_comp): Update.
4097 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4098 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4099 (muldf3_i): Likewise.
4100 (movsi_i): Split rI08 alternative into two separate alternatives.
4102 (movsi_ie, movsi_i_lowpart): Likewise.
4103 (movqi_i): Split ri alternative into two separate alternatives.
4105 * sh1.md (sh1_load_store, sh1_fp): Update.
4106 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4107 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4108 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4109 (sh4a_fp_double_arith): Likewise.
4110 * sh4-300.md: New file.
4111 * sh.c (sh_handle_option): Handle m4-300* options.
4112 (sh_adjust_cost): Fix latency of auto-increments.
4113 Handle SH4-300 differently than other SH4s. Check for new insn types.
4114 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4115 been set by an option.
4116 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4117 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4118 (mbranch-cost=): Likewise.
4119 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4121 * sh.md (mulsf3): Remove special expansion code.
4122 (mulsf3_ie): Now a define_insn_and_split.
4123 (macsf3): Allow for TARGET_SH4.
4125 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4126 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4127 (expand_cbranchdi4): Likewise.
4128 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4129 CONST_DOUBLE if the outer code is COMPARE.
4130 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4131 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4132 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4133 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4134 Remove redundant fp_{zero,one}_operand checks.
4135 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4136 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4137 (expand_cbranchdi4): Likewise.
4138 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4139 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4141 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4143 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4146 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4148 * doc/invoke.texi: Fix mfp-trap-mode typo.
4150 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4152 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4153 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4154 file_end_indicate_exec_stack.
4155 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4157 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4158 for a non-executable stack.
4159 * crti.asm: Likewise.
4160 * crtn.asm: Likewise.
4161 * libunwind.S: Likewise.
4163 2006-11-02 Ben Elliston <bje@au.ibm.com>
4165 * tree-ssa.c (warn_uninit): Use expand_location variables for
4166 locus and declaration locus.
4168 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4171 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4172 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4173 cmp{eq,gt,gtu}{si,di}_media.
4174 (*cmpne0si_media): Remove.
4175 (*movsicc_umin): Adjust gen_cmp*_media call.
4176 (unordered): Change the mode of unordered and operands[1] to
4178 (seq): Adjust gen_cmp*_media calls. Make the mode of
4179 a temporary result of compare SImode if needed. If the mode
4180 of operands[0] is DImode, extend the temporary result to DImode.
4181 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4182 (sunorderd): Change the mode of match_operand and unorderd to
4184 (cmpeq{sf,df}_media): Remove.
4185 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4186 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4187 and compare operation to SImode.
4189 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4191 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4193 (sparc64-sun-solaris2*): Likewise.
4195 2006-11-02 Paul Brook <paul@codesourcery.com>
4197 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4198 from priority argument. Use different section for non-default
4200 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4202 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4205 * except.c (switch_to_exception_section): Do not cache the section
4206 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4207 and flag_function_sections is set.
4209 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4212 * builtins.c (do_mpfr_sincos): New.
4213 (fold_builtin_1): Use it to fold builtin sincos.
4215 2006-11-01 Roger Sayle <roger@eyesopen.com>
4217 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4218 it into -D_REENTRANT.
4220 2006-11-01 Roger Sayle <roger@eyesopen.com>
4222 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4223 whether the assembler supports taking the difference of symbols in
4224 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4225 * configure: Regenerate.
4226 * config.in: Regenerate.
4227 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4228 the assembler doesn't support taking the difference of symbols in
4229 different sections, i.e. we're using the native solaris assembler.
4231 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4232 Peter Bergner <bergner@vnet.ibm.com>
4234 * doc/invoke.texi: Add cpu_type power6x
4235 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4236 * config.gcc: Add cpu_type power6x.
4237 * configure.ac: Add test for mf{t,f}gpr instructions.
4238 (HAVE_AS_MFPGPR): New.
4239 * config.in: Regenerate.
4240 * configure: Regenerate.
4241 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4242 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4243 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4244 and mftgpr attributes.
4245 (define_attr "cpu"): Add power6.
4246 Change instruction sequences to use new attributes.
4247 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4248 (fix_truncdfsi2_mfpgpr): New.
4249 (floatsidf_ppc64_mfpgpr): New.
4250 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4251 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4252 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4253 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4254 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4255 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4256 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4257 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4258 cntlz,exts and var_delayed_compare.
4259 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4260 _ARCH_PWR6X, if features enabled.
4261 * config/rs6000/rs6000.opt (mmfpgpr): New.
4262 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4263 (cached_can_issue_more): New variable.
4264 (processor_costs): Add power6_cost.
4265 (rs6000_sched_init): New function.
4266 (is_dispatch_slot_restricted): Deleted.
4267 (set_to_load_agen): New function.
4268 (is_load_insn,is_store_insn): New functions.
4269 (adjacent_mem_locations): New function.
4270 (insn_must_be_first_in_group): New function.
4271 (insn_must_be_last_in_group): New function.
4272 (rs6000_sched_reorder): New function.
4273 (rs6000_sched_reorder2): New function.
4274 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4275 TARGET_SCHED_REORDER2): Define.
4276 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4277 Add power6x. Add MASK_MFPGPR for power6x.
4278 (POWERPC_MASKS): Add MASK_MFPGPR.
4279 (rs6000_override_options): Set rs6000_always_hint to false
4280 for power6. Set rs6000_align_branch_targets. Replace
4281 rs6000_sched_groups check with rs6000_align_branch_targets.
4282 Use PROCESSOR_POWER6.
4283 (last_scheduled_insn): New variable.
4284 (load_store_pendulum): New variable.
4285 (rs6000_variable_issue): Set last_scheduled_insn and
4286 cached_can_issue_more.
4287 (rs6000_adjust_cost): Add power6 cost adjustments.
4288 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4289 with insn_must_be_first_in_group. Add power6 priority adjustments.
4290 (rs6000_issue_rate): Add CPU_POWER6.
4291 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4292 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4293 (TARGET_MFPGPR): New.
4294 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4295 (ASM_CPU_SPEC): Add power6x.
4296 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4298 * config/rs6000/power6.md: New file.
4300 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4302 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4303 HOST_WIDE_INT_PRINT to print high and low parts. Use
4304 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4305 printing a hexadecimal number prefix it with 0x.
4307 2006-11-01 Chris Johns <chris@contemporary.net.au>
4310 * Makefile.in (install-driver): Use exeext when installing
4311 $target-gcc-$version.
4313 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4315 * c-common.c (flag_cpp0x): New.
4316 * c-common.h (flag_cpp0x): New.
4317 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4318 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4319 * c-opts.c (set_std_cxx0x): New.
4320 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4321 * c.opt (std=c++0x): Document.
4322 (std=gnu++0x): Ditto.
4323 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4324 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4326 2006-11-01 Richard Guenther <rguenther@suse.de>
4328 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4330 (ix86_expand_floorceildf_32): Likewise.
4331 (ix86_expand_floorceil): Likewise.
4332 (ix86_expand_trunc): Likewise.
4334 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4336 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4339 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4341 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4343 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4345 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4347 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4348 * configure.ac (use_cxa_atexit): As a special case, don't test
4349 for libc definition of __cxa_atexit on mingw32
4350 * configure: Regenerate.
4351 * config.gcc (i[34567]86-pc-mingw32): Default to
4352 enable__cxa_atexit=yes.
4354 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4356 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4358 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4361 * c-decl.c (start_struct): Don't create self-containing
4363 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4365 * config/rs6000/rs6000-protos.h
4366 (darwin_rs6000_special_round_type_align): New.
4367 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4368 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4370 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4372 * toplev.c (compile_file): Call final_write_globals
4373 even if there have been errors.
4375 2006-10-31 Eric Christopher <echristo@apple.com>
4376 Falk Hueffner <falk@debian.org>
4378 * doc/extend.texi (__builtin_bswap32): Document.
4379 (__builtin_bswap64): Ditto.
4380 * doc/libgcc.texi (bswapsi2): Document.
4382 * doc/rtl.texi (bswap): Document.
4383 * optabs.c (expand_unop): Don't widen a bswap.
4384 (init_optabs): Init bswap. Set libfuncs explicitly
4385 for bswapsi2 and bswapdi2.
4386 * optabs.h (OTI_bswap): New.
4387 (bswap_optab): Ditto.
4388 * genopinit.c (optabs): Handle bswap_optab.
4389 * tree.h (tree_index): Add TI_UINT32_TYPE and
4391 (uint32_type_node): New.
4392 (uint64_type_node): Ditto.
4393 * tree.c (build_common_tree_nodes_2): Initialize
4394 uint32_type_node and uint64_type_node.
4395 * builtins.c (expand_builtin_bswap): New.
4396 (expand_builtin): Call.
4397 (fold_builtin_bswap): New.
4398 (fold_builtin_1): Call.
4399 * fold-const.c (tree_expr_nonnegative_p): Return true
4401 * builtin-types.def (BT_UINT32): New.
4403 (BT_FN_UINT32_UINT32): Ditto.
4404 (BT_FN_UINT64_UINT64): Ditto.
4405 * builtins.def (BUILT_IN_BSWAP32): New.
4406 (BUILT_IN_BSWAP64): Ditto.
4407 * rtl.def (BSWAP): New.
4408 * genattrtab.c (check_attr_value): New.
4409 * libgcc2.c (__bswapSI2): New.
4410 (__bswapDI2): Ditto.
4411 * libgcc2.h (__bswapSI2): Declare.
4412 (__bswapDI2): Ditto.
4413 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4414 * simplify-rtx.c (simplify_const_unary_operation): Return
4416 * libgcc-std.ver (__bwapsi2): Add.
4417 (__bswapdi2): Ditto.
4418 * reload1.c (eliminate_regs_1): Add bswap.
4419 (elimination_effects): Ditto.
4420 * config/i386/i386.h (x86_bswap): New.
4421 (TARGET_BSWAP): Use.
4422 * config/i386/i386.c (x86_bswap): Set.
4424 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4426 * coverage.c (coverage_checksum_string): Update comment.
4427 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4428 of get_file_function_name.
4429 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4430 of get_file_function_name_long.
4431 * tree.c (get_file_function_name): Rename from
4432 get_file_function_name_long; improve comment; handle 'I' and 'D'
4433 specially when the target has ctor/dtor support; remove special
4435 (get_file_function_name): Remove.
4436 * tree.h (get_file_function_name): Rename from
4437 get_file_function_name_long.
4438 (get_file_function_name): Remove prototype.
4440 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4442 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4443 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4445 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4446 Call dsymutil when compiling and linking one or more source files
4449 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4452 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4454 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4456 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4457 inline static functions in c99 mode.
4460 * doc/extend.texi (Inline): Update.
4461 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4462 * c-decl.c (current_extern_inline): Delete.
4463 (pop_scope): Adjust test for an undefined nested function.
4464 Add warning about undeclared inline function.
4465 (diagnose_mismatched_decls): Update comments. Disallow overriding
4466 of inline functions in a translation unit in C99. Allow inline
4467 declarations in C99 at any time.
4468 (merge_decls): Boolize variables. Handle C99 'extern inline'
4470 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4471 C99 inline semantics.
4472 (start_function): Don't clear current_extern_inline. Don't set
4474 (c_push_function_context): Don't push current_extern_inline.
4475 (c_pop_function_context): Don't restore current_extern_inline.
4478 * c-typeck.c (build_external_ref): Warn about static variables
4479 used in extern inline functions.
4480 * c-decl.c (start_decl): Warn about static variables declared
4481 in extern inline functions.
4483 2006-10-31 Roger Sayle <roger@eyesopen.com>
4486 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4487 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4488 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4489 or y is an even integer.
4491 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4494 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4495 * gthr-posix95.h (__gthread_active_p): Likewise.
4497 2006-10-31 Richard Guenther <rguenther@suse.de>
4499 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4500 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4501 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4502 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4503 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4504 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4505 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4506 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4509 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4511 * opts.c (decode_options): Disable CSE skip blocks.
4513 2006-10-30 Dirk Mueller <dmueller@suse.de>
4515 * c-common.h (strict_aliasing_warning): Fix whitespace.
4516 * c-decl (start_function): Move code for main decl warning ..
4517 * c-common.c (check_main_parameter_types): .. here.
4518 * c-common.h (check_main_parameter_types): Declare.
4520 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4523 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4525 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4527 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4528 be a PARALLEL containing sets. Return false when out_pat is not
4531 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4533 * config/mips/mips.md (mul<mode>3): Split into...
4534 (mulsi3, muldi3): ...these separate patterns.
4536 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4538 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4539 but with each set of options separated by spaces.
4541 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4543 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4544 dwarf_reg_size_table has been initialized.
4546 2006-10-30 Roger Sayle <roger@eyesopen.com>
4548 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4549 * ddg.c (print_ddg_edge): Likewise.
4550 * dwarf2out.c (prune_unused_types_walk): Likewise.
4551 * ifcvt.c (noce_try_cmove_arith): Likewise.
4552 * langhooks.c (add_builtin_function): Likewise.
4553 * reg-stack.c (subst_stack_regs_pat): Likewise.
4554 * tree.c (expanded_location): Likewise.
4555 * tree-dump.c (dequeue_and_dump): Likewise.
4557 2006-10-30 David Daney <ddaney@avtrex.com>
4559 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4561 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4563 PR tree-optimization/29637
4564 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4565 of the innertype is the innertype itself.
4567 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4569 * dwarf2out.c (file_name_acquire): Correct typo.
4571 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4573 * tree.h (tree_value_handle): Remove struct value_set declaration.
4574 Change value_set to bitmap_set.
4575 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4576 * tree-vn.c (get_value_handle): Made inline and moved to
4578 * tree-flow-inline.h: (has_stmt_ann): New function.
4579 * tree-ssa-pre.c (expressions): New variable.
4580 (next_expression_id): Ditto.
4581 (alloc_expression_id): New function.
4582 (struct value_set): Remove.
4583 (get_expression_id): New function.
4584 (get_or_alloc_expression_id): Ditto.
4585 (expression_for_id): Ditto.
4586 (clear_expression_ids): Ditto.
4587 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4588 (bb_value_sets): Renamed to bb_bitmap_sets.
4589 All value sets replaced with bitmap_sets.
4591 (BB_VISITED): New macro.
4592 (postorder): New variable.
4593 (add_to_value): Removed.
4594 (value_exists_in_set_bitmap): Ditto.
4595 (value_insert_into_set_bitmap): Ditto.
4598 (set_remove): Ditto.
4599 (set_contains_value): Ditto.
4600 (insert_into_set): Ditto.
4602 (find_leader): Ditto.
4603 (bitmap_set_subtract_from_value_set): Ditto.
4604 (value_insert_into_set): Ditto.
4605 (print_value_set): Ditto.
4606 (debug_value_set): Ditto.
4607 (constant_expr_p): New function.
4608 (bitmap_remove_from_set): Ditto.
4609 (bitmap_insert_into_set): Ditto.
4610 (bitmap_set_free): Ditto.
4611 (vh_compare): Ditto.
4612 (sorted_array_from_bitmap_set): Ditto.
4613 (bitmap_set_subtract): Ditto.
4614 (bitmap_set_equal): Ditto.
4615 (debug_bitmap_set): Ditto.
4616 (find_leader_in_sets): Ditto.
4617 (bitmap_set_replace_value): Modify for bitmapped sets.
4618 (phi_translate): Ditto.
4619 (phi_translate_set): Ditto.
4620 (bitmap_find_leader): Ditto.
4621 (valid_in_sets): Ditto.
4622 (union_contains_value): Ditto.
4624 (compute_antic_aux): Ditto. Mark changed blocks.
4625 (compute_antic): Ditto. Iterate in postorder and only over
4627 (compute_rvuse_and_antic_safe): Reuse postorder.
4628 (create_component_ref_by_pieces): Modify for bitmapped sets.
4629 (find_or_generate_expression): Ditto.
4630 (create_expression_by_pieces): Ditto.
4631 (insert_into_preds_of_block): Ditto.
4632 (changed_blocks): New variable.
4633 (do_regular_insertion): Broken out from insert_aux.
4634 (insert_aux): Modified for bitmapped sets.
4635 (find_existing_value_expr): New function.
4636 (create_value_expr_from): Use it.
4637 (insert_extra_phis): Removed.
4638 (print_bitmap_set): Renamed from bitmap_print_value_set.
4639 (compute_avail): Handle RETURN_EXPR.
4640 (init_pre): Modify for bitmapped sets.
4641 * tree-flow.h (has_stmt_ann): New function.
4643 2006-10-29 Roger Sayle <roger@eyesopen.com>
4645 * builtins.c (fold_builtin_floor): Check for the availability of
4646 the C99 trunc function before transforming floor into trunc.
4648 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4650 * builtins.c (fold_builtin_hypot): Rearrange recursive
4651 transformation before others, and also do ABS_EXPR. When
4652 necessary, check flag_unsafe_math_optimizations. When necessary,
4655 2006-10-29 Roger Sayle <roger@eyesopen.com>
4657 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4658 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4659 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4660 Fold -X eq/ne -Y as X eq/ne Y.
4662 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4664 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4665 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4666 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4667 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4668 Use an inclusive test for "mult" rather than "mul".
4669 (rotr<mode>3): Depend on ISA_HAS_ROR.
4670 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4672 (GENERATE_MULT3_DI): Delete.
4673 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4674 (ISA_HAS_MUL3): New macro.
4675 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4676 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4677 (ISA_HAS_CLZ_CLO): Likewise.
4678 (ISA_HAS_DCLZ_DCLO): Delete.
4679 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4680 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4681 the VR4120 and VR4130.
4682 (ISA_HAS_MACCHI): Use consistent formatting.
4683 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4684 (ISA_HAS_ROR): ...this new macro.
4685 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4686 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4687 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4689 2006-10-29 Roger Sayle <roger@eyesopen.com>
4691 PR tree-optimization/15458
4692 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4695 2006-10-29 Richard Guenther <rguenther@suse.de>
4697 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4698 (ix86_expand_truncdf_32): Likewise.
4699 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4700 trunc inline for SSE math and -fno-trapping-math and if not
4701 optimizing for size.
4702 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4703 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4704 for expanding btrunc inline for SSE math.
4706 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4708 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4709 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4710 i[34567]86-*-solaris2.1[0-9]*.
4711 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4712 Define conditionally depending on TARGET_64BIT_DEFAULT.
4713 (SPEC_32, SPEC_64): Define.
4714 (LINK_SPEC): Use them.
4715 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4717 2006-10-29 Richard Guenther <rguenther@suse.de>
4719 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4720 (ix86_expand_rounddf_32): Likewise.
4721 * config/i386/i386.c (ix86_expand_round): New function expanding
4722 round inline for SSE math and -fno-trapping-math and if not
4723 optimizing for size.
4724 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4725 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4726 round via ix86_expand_round.
4728 2006-10-29 Richard Guenther <rguenther@suse.de>
4730 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4731 (ix86_expand_floorceildf_32): Likewise.
4732 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4733 static helper function.
4734 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4736 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4737 * config/i386/i386.md (floordf2): Adjust to enable floor
4738 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4739 -fno-trapping-math is enabled and if not optimizing for size.
4740 (floorsf2, ceildf2, ceilsf2): Likewise.
4741 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4742 (sse2_maskcmpdf3): Likewise.
4744 2006-10-29 Richard Guenther <rguenther@suse.de>
4746 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4747 rint in case -fno-trapping-math is enabled.
4748 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4749 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4750 (ix86_expand_sse_fabs): Likewise.
4751 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4752 * config/i386/i386.md (rintdf2): Enable for SSE math if
4753 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4754 (rintsf2): Likewise.
4756 2006-10-29 Richard Guenther <rguenther@suse.de>
4758 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4759 to conversion optabs.
4760 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4761 as conversion optab.
4762 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4763 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4764 (lfloor_optab, lceil_optab): Adjust defines.
4765 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4766 lfloor and lceil optabs now being conversion optabs.
4767 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4768 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4769 New static helper function.
4770 (ix86_expand_lfloorceil): New function to expand lfloor and
4772 * config/i386/i386.md (lfloor<mode>2): Split into ...
4773 (lfloorxf<mode>2): ... x87 variant
4774 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4775 using ix86_expand_lfloorceil.
4776 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4778 * doc/md.texi (lfloorMN, lceilMN): Document.
4780 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4782 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4783 -mno-shared assembler option on mips targets.
4784 * configure, config.in: Regenerate.
4785 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4786 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4787 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4789 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4791 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4792 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4794 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4796 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4797 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4800 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4803 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4804 (fold_builtin_pow): Evaluate constant arguments at compile-time
4806 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4807 (do_mpfr_ckconv): New helper function.
4808 (do_mpfr_arg1): Use do_mpfr_ckconv.
4809 (do_mpfr_arg2): New.
4811 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4814 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4815 (-fdump-rtl-sched): Rename to ..
4816 (-fdump-rtl-sched1): here. Also fix file extension number.
4818 2006-10-28 Richard Guenther <rguenther@suse.de>
4820 * fold-const.c (maybe_canonicalize_comparison): Fix code
4823 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4825 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4826 (NON_QI_REG_P): Use IN_RANGE.
4827 (REX_INT_REGNO_P): Use IN_RANGE.
4828 (FP_REGNO_P): Use IN_RANGE.
4829 (SSE_REGNO_P): Use IN_RANGE.
4830 (REX_SSE_REGNO_P): Use IN_RANGE.
4831 (MMX_REGNO_P): Use IN_RANGE.
4832 (STACK_REGNO_P): New macro.
4833 (STACK_REG_P): Use STACK_REGNO_P.
4834 (NON_STACK_REG_P): Use STACK_REGNO_P.
4835 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4836 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4837 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4838 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4839 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4841 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4843 * except.h (output_function_exception_table): Add 'const char*' param.
4844 * except.c (switch_to_exception_section): Add 'const char*' param.
4845 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4846 and flag_function_sections is set, use a function-specific section.
4847 (output_function_exception_table): Add 'const char*' param.
4848 Adjust call to switch_to_exception_section.
4849 * final.c (rest_of_handle_final): Adjust calls to
4850 output_function_exception_table.
4851 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4852 * config.in: Regenerate.
4853 * configure: Likewise.
4855 2006-10-28 Richard Guenther <rguenther@suse.de>
4858 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4859 for maybe_canonicalize_comparison.
4860 (maybe_canonicalize_comparison): New function for canonicalizing
4862 (fold_comparison): Call it to canonicalize comparisons with
4865 2006-10-28 Richard Guenther <rguenther@suse.de>
4868 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4869 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4870 (expand_builtin): Adjust likewise.
4871 * genopinit.c (optabs[]): Add lround optab.
4872 * optabs.c (init_optabs): Initialize lround_optab.
4873 * optabs.h (enum convert_optab_index): Add COI_lround.
4874 (lround_optab): Define.
4875 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4876 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4878 (ix86_expand_lround): New function.
4879 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4881 * doc/md.texi (lroundMN2): Document.
4883 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4886 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4887 argument to HOST_WIDE_INT. Update function prototype.
4888 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4889 "size" argument to HOST_WIDE_INT. Update function prototype.
4891 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4893 * config/i386/i386.c (output_387_ffreep): Create output from a
4894 template string for !HAVE_AS_IX86_FFREEP.
4896 2006-10-27 Eric Christopher <echristo@apple.com>
4898 * config/darwin.c: Fix formatting and grammar.
4900 2006-10-27 Jan Hubicka <jh@suse.cz>
4902 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4903 to be thrown away soon when IGNORE is set.
4904 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4905 indicating when return value shall not be computed.
4906 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4908 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4910 * config/i386/i386.h (TARGET_GEODE):
4911 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4912 (TARGET_CPU_DEFAULT_geode): New macro.
4913 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4914 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4915 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4916 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4917 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4919 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4920 (processor_type): Add PROCESSOR_GEODE.
4922 * config/i386/i386.md: Include geode.md.
4925 * config/i386/i386.c (geode_cost): New initialized global
4927 (m_GEODE, m_K6_GEODE): New macros.
4928 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4929 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4930 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4931 x86_schedule): Use m_K6_GEODE instead of m_K6.
4932 (x86_movx, x86_cmove): Set up m_GEODE.
4933 (x86_integer_DFmode_moves): Clear m_GEODE.
4934 (processor_target_table): Add entry for geode.
4935 (processor_alias_table): Ditto.
4937 * config/i386/geode.md: New file.
4939 * doc/invoke.texi: Add entry about geode processor.
4941 2006-10-27 Mike Stump <mrs@apple.com>
4943 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4944 __DYNAMIC__ from here back to ...
4945 * config/darwin.h (CPP_SPEC): ... here.
4947 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4948 Nathan Sidwell <nathan@codesourcery.com>
4950 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4951 when choosing the minimum heapsize.
4953 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4955 * gcc/unwind-dw2.h: Move cfa-related variables into
4956 struct frame_state_reg_info to ensure that the CFA is properly
4957 handled when executing DW_CFA_{remember,restore}_state.
4958 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4959 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4960 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4961 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4962 gcc/config/rs6000/linux-unwind.h,
4963 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4964 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4965 Modify to use new cfa_* fields.
4967 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4969 * config/s390/s390.c (s390_init_frame_layout): Check positive
4972 2006-10-26 Ben Elliston <bje@au.ibm.com>
4974 * gimplify.c (get_name): Remove extraneous break.
4975 (gimplify_omp_for): Initialise ret with GS_OK.
4977 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4979 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4980 Add unix98.o to link line.
4982 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4985 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4986 Calculate compile-time constants using MPFR.
4987 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4988 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4990 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4992 * config/xtensa/lib2funcs.S: Use C-style comments.
4994 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4996 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4997 (file_table_relative_p): Likewise.
4998 (dwarf2out_finish): Likewise.
4999 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5001 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5003 * tree-ssa-structalias.c (intra_create_variable_infos):
5004 Don't recreate nonlocal_all if it already exists.
5006 2006-10-25 Richard Guenther <rguenther@suse.de>
5009 * optabs.h (enum optab_index): Remove OTI_lrint.
5010 (enum convert_optab_index): Add COI_lrint.
5011 (lrint_optab): Adjust.
5012 (expand_sfix_optab): Declare.
5013 * optabs.c (expand_sfix_optab): New function.
5014 (init_optabs): Init lrint_optab as conversion optab.
5015 * genopinit.c (lrint_optab): Change to a conversion optab.
5016 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5017 expansion via conversion optab.
5018 * config/i386/i386.md (*fistdi2_1): Remove
5019 flag_unsafe_math_optimizations guard.
5020 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5021 fist<mode>2_with_temp): Likewise.
5022 (lrint<mode>2): Split into...
5023 (lrintxf<mode>2): ... x87 part
5024 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5025 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5026 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5027 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5028 * doc/md.texi (lrintMN2): Document.
5030 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5033 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5034 Use inc and dec instructions for TARGET_USE_INCDEC.
5035 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5036 ("sync_double_compare_and_swap<mode>"): Likewise.
5037 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5038 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5039 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5040 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5041 ("sync_old_add<mode>"): Likewise.
5042 ("sync_lock_test_and_set<mode>"): Likewise.
5043 ("sync_lock_test_and_set<mode>"): Likewise.
5044 ("sync_add<mode>"): Likewise.
5045 ("sync_sub<mode>"): Likewise.
5046 ("sync_ior<mode>"): Likewise.
5047 ("sync_and<mode>"): Likewise.
5048 ("sync_xor<mode>"): Likewise.
5050 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5052 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5053 (remainder_optab): Define corresponding macro.
5054 (drem_optab): Remove.
5055 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5056 drem_optab initialization.
5057 * genopinit.c (optabs): Implement remainder_optab using
5058 remainder?f3 patterns. Remove drem_optab.
5059 * builtins.c (expand_builtin_mathfn_2): Handle
5060 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5061 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5062 expand_builtin_mathfn_2.
5064 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5065 depend on flag_unsafe_math_optimizations.
5067 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5068 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5069 Do not depend on flag_unsafe_math_optimizations. Use
5070 truncxf?f expander instead of truncxf?f_i387_noop.
5072 ("fpremxf4", "fprem1xf4"): Do not depend on
5073 flag_unsafe_math_optimizations.
5074 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5075 flag_unsafe_math_optimizations. Use truncxf?f expander
5076 instead of truncxf?f_i387_noop.
5078 * doc/md.texi (fmod, remainder): Document standard named pattern.
5080 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5081 David Daney <ddaney@avtrex.com>
5084 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5086 2006-10-25 Ben Elliston <bje@au.ibm.com>
5088 * doc/extend.texi (Variable Attributes): Typo fix.
5090 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5092 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5093 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5094 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5095 (FRAME_POINTER_REGNUM): Update register number to 21.
5096 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5097 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5099 * config/i386/i386.c (regclass_map): Add fpcr entry.
5100 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5102 (print_reg): Assert REGNO (x) != FPCR_REG.
5104 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5105 (DIRFLAG_REG): Renumber.
5106 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5107 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5108 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5109 hardcoded SSE register numbers.
5111 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5112 hardcoded MMX register numbers.
5114 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5117 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5118 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5120 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5121 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5122 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5123 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5125 2006-10-24 Richard Guenther <rguenther@suse.de>
5128 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5129 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5130 for deciding optimizations in consistency with fold-const.c
5131 (fold_builtin_unordered_cmp): Likewise.
5133 2006-10-24 Richard Guenther <rguenther@suse.de>
5135 * builtins.c (fold_builtin_floor): Fold floor (x) where
5136 x is nonnegative to trunc (x).
5137 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5138 nonnegative to FIX_TRUNC_EXPR.
5140 2006-10-24 Richard Guenther <rguenther@suse.de>
5142 PR tree-optimization/29567
5143 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5144 for TRUTH_NOT_EXPR. Clarify comments.
5146 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5149 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5150 at compile-time using MPFR. Change parameter VALUE to FUNC,
5152 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5153 for overflow and underflow at all times and avoid folding in
5156 2006-10-24 Ben Elliston <bje@au.ibm.com>
5158 * reload1.c: Formatting fixes.
5160 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5162 PR tree-optimization/14784
5163 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5164 * tree-ssa-structalias.c (get_constraint_for,
5165 intra_create_variable_infos): Set is_heapvar.
5166 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5167 non-heapvar pointer variables specially.
5169 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5172 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5173 fold_builtin_tan): Fold all constant arguments. Take a "type"
5174 argument as necessary.
5175 (do_mpfr_arg1): New.
5176 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5178 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5180 * config/xtensa/lib1funcs.asm: Use C-style comments.
5182 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5184 * tree.c (local_define_builtin): Replace calls to
5185 lang_hooks.builtin_function with add_builtin_function.
5186 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5188 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5190 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5191 common code to add_builtin_function.
5192 * langhooks.c (add_builtin_function): New function.
5193 (lhd_builtin_function): New function.
5194 * langhooks.h (struct lang_hooks): Change the signature of
5196 (add_builtin_function): New function.
5197 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5198 calls to lang_hooks.builtin_function with add_builtin_function.
5199 * c-common.c (decl_builtin_1): Replace calls to
5200 lang_hooks.builtin_function with add_builtin_function.
5201 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5202 lang_hooks.builtin_function with add_builtin_function.
5203 * config/frv/frv.c (def_builtin): Replace calls to
5204 lang_hooks.builtin_function with add_builtin_function.
5205 * config/s390/s390.c (s390_init_builtins): Replace calls to
5206 lang_hooks.builtin_function with add_builtin_function.
5207 * config/sparc/sparc.c (def_builtin): Replace calls to
5208 lang_hooks.builtin_function with add_builtin_function.
5209 * config/i386/i386.c (def_builtin): Replace calls to
5210 lang_hooks.builtin_function with add_builtin_function.
5211 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5212 lang_hooks.builtin_function with add_builtin_function.
5213 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5214 lang_hooks.builtin_function with add_builtin_function.
5215 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5216 Replace calls to lang_hooks.builtin_function with
5217 add_builtin_function.
5218 * config/iq2000/iq2000.c (def_builtin):
5219 Replace calls to lang_hooks.builtin_function with
5220 add_builtin_function.
5221 * config/ia64/ia64.c (def_builtin): Replace calls to
5222 lang_hooks.builtin_function with add_builtin_function.
5223 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5224 lang_hooks.builtin_function with add_builtin_function.
5225 (altivec_init_builtins): Replace calls to
5226 lang_hooks.builtin_function with add_builtin_function.
5227 * config/arm/arm.c (def_mbuiltin): Replace calls to
5228 lang_hooks.builtin_function with add_builtin_function.
5229 (arm_init_tls_builtins): Replace calls to
5230 lang_hooks.builtin_function with add_builtin_function.
5231 * config/mips/mips.c (mips_init_builtins): Replace calls to
5232 lang_hooks.builtin_function with add_builtin_function.
5233 * config/bfin/bfin.c (def_builtin): Replace calls to
5234 lang_hooks.builtin_function with add_builtin_function.
5235 * langhooks-def.h (lhd_builtin_function): New function.
5236 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5238 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5240 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5241 BUILT_IN_STRNCAT_CHK.
5243 2006-10-23 Jan Hubicka <jh@suse.cz>
5245 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5246 don't do conversion from memmove to memcpy here.
5247 (expand_builtin_bcopy, expand_builtin): Update call of
5248 expand_builtin_memmove.
5249 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5251 2006-10-23 Paul Brook <paul@codesourcery.com>
5253 * stor-layout.c (start_record_layout): maximum_field_alignment
5254 overrides STRUCTURE_SIZE_BOUNDARY.
5256 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5258 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5259 nonlocal function symbols if flag_pic.
5261 2006-10-23 Richard Guenther <rguenther@suse.de>
5265 * builtins.c (fold_binary): Remove checks for flag_wrapv
5266 and flag_trapv where negate_expr_p covers these cases.
5268 2006-10-23 Richard Guenther <rguenther@suse.de>
5271 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5272 of two on the absolute value.
5273 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5274 and negating -C does not overflow.
5276 2006-10-23 Richard Guenther <rguenther@suse.de>
5279 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5280 only if not flag_rounding_math.
5282 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5283 Kaz Kojima <kkojima@gcc.gnu.org>
5286 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5287 SImode memory reference for the source of a movua.
5288 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5289 (movua): Use an unspec instead of sign_extract. Expect the source
5290 to have mode BLKmode.
5291 (extv, insv): Use a BLKmode rather than SImode memory reference
5292 for the source of a movua.
5294 2006-10-22 Jeff Law <law@redhat.com>
5295 Richard Guenther <rguenther@suse.de>
5297 PR tree-optimization/15911
5298 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5299 (register_edge_assert_for_1): Likewise.
5300 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5301 (find_conditional_asserts): Adjust for new function signature.
5302 (find_assert_locations): Likewise.
5304 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5306 * config/i386/tmmintrin.h: Remove the duplicated content.
5308 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5310 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5311 (x86_64-*-*): Likewise.
5313 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5314 (override_options): Check SSSE3.
5315 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5316 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5317 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5318 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5319 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5320 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5321 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5322 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5323 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5324 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5325 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5326 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5327 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5328 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5329 IX86_BUILTIN_PABSD128.
5330 (bdesc_2arg): Add SSSE3.
5331 (bdesc_1arg): Likewise.
5332 (ix86_init_mmx_sse_builtins): Support SSSE3.
5333 (ix86_expand_builtin): Likewise.
5334 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5336 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5337 (UNSPEC_PSIGN): Likewise.
5338 (UNSPEC_PALIGNR): Likewise.
5339 Include mmx.md before sse.md.
5341 * config/i386/i386.opt: Add -mssse3.
5343 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5344 (ssse3_phaddwv4hi3): Likewise.
5345 (ssse3_phadddv4si3): Likewise.
5346 (ssse3_phadddv2si3): Likewise.
5347 (ssse3_phaddswv8hi3): Likewise.
5348 (ssse3_phaddswv4hi3): Likewise.
5349 (ssse3_phsubwv8hi3): Likewise.
5350 (ssse3_phsubwv4hi3): Likewise.
5351 (ssse3_phsubdv4si3): Likewise.
5352 (ssse3_phsubdv2si3): Likewise.
5353 (ssse3_phsubswv8hi3): Likewise.
5354 (ssse3_phsubswv4hi3): Likewise.
5355 (ssse3_pmaddubswv8hi3): Likewise.
5356 (ssse3_pmaddubswv4hi3): Likewise.
5357 (ssse3_pmulhrswv8hi3): Likewise.
5358 (ssse3_pmulhrswv4hi3): Likewise.
5359 (ssse3_pshufbv16qi3): Likewise.
5360 (ssse3_pshufbv8qi3): Likewise.
5361 (ssse3_psign<mode>3): Likewise.
5362 (ssse3_psign<mode>3): Likewise.
5363 (ssse3_palignrti): Likewise.
5364 (ssse3_palignrdi): Likewise.
5365 (abs<mode>2): Likewise.
5366 (abs<mode>2): Likewise.
5368 * config/i386/tmmintrin.h: New file.
5370 * doc/extend.texi: Document SSSE3 built-in functions.
5372 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5374 2006-10-22 Ira Rosen <irar@il.ibm.com>
5376 * tree-vect-transform.c (vectorizable_load): Use the type of the
5377 return value of the mask_for_load builtin to create realign_load
5380 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5382 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5385 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5387 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5388 (UNSPEC_LDDQU): This.
5389 * config/i386/sse.md (sse3_lddqu): Updated.
5391 2006-10-21 Richard Guenther <rguenther@suse.de>
5393 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5394 (expand_builtin): Use it to expand lrint instead of
5395 expand_builtin_mathfn.
5397 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5400 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5401 flag_unsafe_math_optimizations is set.
5403 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5406 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5407 patterns to use memory input operand in x87->mem->XMM
5408 reload sequences. Skip transformation for TARGET_K8.
5410 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5412 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5413 force operand1 to register if both operands are memory operands.
5414 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5415 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5416 if both operands are memory operands.
5417 (truncdfsf2): Do not force operand1 to register if both operands
5418 are memory operands.
5420 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5422 * Makefile.in (LIBS): Add $(GMPLIBS).
5423 * doc/install.texi: Update GMP and MPFR requirements.
5424 * doc/sourcebuild.texi (need_gmp): Delete.
5426 2006-10-21 Richard Guenther <rguenther@suse.de>
5428 PR tree-optimization/3511
5429 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5430 got new invariant arguments during PHI translation.
5432 2006-10-21 Richard Guenther <rguenther@suse.de>
5435 * fold-const.c (fold_comparison): Fold signed comparisons
5436 of the form X +- C1 CMP Y +- C2.
5438 2006-10-21 Richard Guenther <rguenther@suse.de>
5441 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5442 if flag_unsafe_math_optimizations is specified. We have
5443 flag_finite_math_only for that.
5444 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5445 or flag_unsafe_math_optimizations.
5447 2006-10-21 Richard Guenther <rguenther@suse.de>
5449 * builtins.c (fold_builtin_classify): Fix typo.
5451 2006-10-21 Richard Guenther <rguenther@suse.de>
5454 * simplify-rtx.c (simplify_const_relational_operation):
5455 Do not constant-fold ORDERED and UNORDERED for
5456 flag_unsafe_math_optimizations but only we do not need to
5457 honor NaNs for the given mode.
5459 2006-10-21 Richard Guenther <rguenther@suse.de>
5462 * config/i386/i386.c (classify_argument): Remove redundant
5463 walking of the BINFOs.
5464 (contains_128bit_aligned_vector_p): Likewise.
5466 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5468 * BASE-VER: Set to 4.3.0.
5470 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5472 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5473 (tree_decl_with_vis): Remove artificial_pta_var flag.
5474 * tree-flow.h (referenced_var_check_and_insert): Expose.
5475 (nonlocal_all): New prototype.
5476 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5477 (nonlocal_all): Make global.
5478 (nonlocal_lookup): Remove.
5479 (nonlocal_insert): Ditto.
5480 (create_nonlocal_var): Do not call nonlocal_insert.
5481 (get_nonlocal_id_for_type): Remove.
5482 (find_global_initializers): Mark new vars we find for renaming.
5483 (intra_create_variable_infos): Only create one nonlocal.
5484 (expand_nonlocal_solutions): Remove.
5485 (compute_points_to_sets): Don't call it.
5486 (ipa_pta_execute): Ditto.
5487 (init_alias_heapvars): Don't create nonlocal_for_type.
5488 (delete_alias_heapvars): Don't remove it.
5489 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5492 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5494 * doc/install.texi (Downloading GCC): Clarify mention of
5495 Fortran in the "full distribution" description.
5497 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5499 Fix PR tree-optimization/28778
5500 Fix PR tree-optimization/29156
5501 Fix PR tree-optimization/29415
5502 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5503 (tree_decl_with_vis): Add artificial_pta_var flag.
5504 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5505 pushed into callers.
5506 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5507 (nonlocal_all): Ditto.
5508 (struct variable_info): Add directly_dereferenced member.
5509 (var_escaped_vars): New variable.
5510 (escaped_vars_tree): Ditto.
5511 (escaped_vars_id): Ditto.
5512 (nonlocal_vars_id): Ditto.
5513 (new_var_info): Set directly_dereferenced.
5514 (graph_size): New variable
5515 (build_constraint_graph): Use graph_size.
5516 (solve_graph): Don't process constraints that cannot change the
5517 solution, don't try to propagate an empty solution to our
5519 (process_constraint): Set directly_dereferenced.
5520 (could_have_pointers): New function.
5521 (get_constraint_for_component_ref): Don't process STRING_CST.
5522 (nonlocal_lookup): New function.
5523 (nonlocal_insert): Ditto.
5524 (create_nonlocal_var): Ditto.
5525 (get_nonlocal_id_for_type): Ditto.
5526 (get_constraint_for): Allow results vector to be empty in the case
5527 of string constants.
5528 Handle results of calls properly.
5529 (update_alias_info): Update alias info stats on number and type of
5531 (find_func_aliases): Use could_have_pointers.
5532 (make_constraint_from_escaped): Renamed from
5533 make_constraint_to_anything, and changed to make constraints from
5535 (make_constraint_to_escaped): New function.
5536 (find_global_initializers): Ditto.
5537 (create_variable_info_for): Make constraint from escaped to any
5538 global variable, and from any global variable to the set of
5540 (intra_create_variable_infos): Deal with escaped instead of
5541 pointing to anything.
5542 (set_uids_in_ptset): Do type pruning on directly dereferenced
5544 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5545 (init_base_vars): Fix comment, and initialize escaped_vars.
5546 (need_to_solve): Removed.
5547 (find_escape_constraints): New function.
5548 (expand_nonlocal_solutions): Ditto.
5549 (compute_points_to_sets): Call find_escape_constraints and
5550 expand_nonlocal_solutions.
5551 (delete_points_to_sets): Don't fall off the end of the graph.
5552 (init_alias_heapvars): Initialize nonlocal_for_type and
5554 (delete_alias_heapvars): Free nonlocal_for_type and null out
5557 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5559 * fold-const.c (add_double): Rename to add_double_with_sign.
5560 Add 'unsigned_p' parameter and take it into account for the overflow.
5561 (mul_double): Rename to mul_double_with_sign.
5562 Add 'unsigned_p' parameter and take it into account for the overflow.
5563 (fold_div_compare): Call add_double_with_sign instead of add_double
5564 and mul_double_with_sign instead of mul_double, passing them the
5565 unsignedness of the type.
5566 * tree.h (add_double): Macroize.
5567 (add_double_with_sign): New prototype.
5568 (mul_double): Macroize.
5569 (mul_double_with_sign): New prototype.
5571 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5573 * config/score/crti.asm: New file.
5574 * config/score/crtn.asm: New file.
5575 * config/score/elf.h: New file.
5576 * config/score/mac.md: New file.
5577 * config/score/misc.md: New file.
5578 * config/score/mul-div.S: New file.
5579 * config/score/predicates.md: New file.
5580 * config/score/score7.md: New file.
5581 * config/score/score.c: New file.
5582 * config/score/score-conv.h: New file.
5583 * config/score/score.h: New file.
5584 * config/score/score.md: New file.
5585 * config/score/score-mdaux.c: New file.
5586 * config/score/score-mdaux.h: New file.
5587 * config/score/score-modes.def: New file.
5588 * config/score/score.opt: New file.
5589 * config/score/score-protos.h: New file.
5590 * config/score/score-version.h: New file.
5591 * config/score/t-score-elf: New file.
5592 * config.gcc: Add score*-*-* configurations(Update before).
5593 * doc/invoke.texi (Score Options): New section.
5594 * doc/md.texi (Score family): New section to document constraints.
5596 2006-10-19 Nick Clifton <nickc@redhat.com>
5598 * config/arm/arm.c: Fix spelling typo.
5600 2006-10-18 Tom Tromey <tromey@redhat.com>
5602 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5604 2006-10-18 Jan Hubicka <jh@suse.cz>
5607 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5610 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5612 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5613 TSI_SAME_STMT, since that's the desired entity.
5615 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5617 * config/s390/contraints.md: New file.
5618 * config/s390/s390-protos.h (s390_mem_constraint,
5619 s390_O_constraint_str, s390_N_constraint_str,
5620 s390_float_const_zero_p): Function prototypes added.
5621 * config/s390/s390.c (s390_extra_constraint_str,
5622 s390_const_double_ok_for_constraint_p,
5623 s390_const_ok_for_constraint_p): Functions removed.
5624 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5625 s390_float_const_zero_p): New functions.
5626 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5627 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5628 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5629 Macro definitions removed.
5630 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5631 s390_extra_constraint_str): Functions removed.
5633 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5634 Richard Sandiford <richard@codesourcery.com>
5637 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5638 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5640 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5642 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5643 (DWARF2_FRAME_REG_OUT): Likewise.
5644 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5645 (DWARF2_FRAME_REG_OUT): Likewise.
5647 2006-10-17 Paul Brook <paul@codesourcery.com>
5649 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5651 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5653 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5654 Standardize on "GNU Fortran" as the official name of the Fortran
5657 2006-10-16 Mike Stump <mrs@apple.com>
5659 * doc/invoke.texi (Darwin Options): Document -mkernel.
5660 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5662 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5663 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5664 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5665 (OS_MISSING_ALTIVEC): Add.
5666 * config/i386/i386.c (override_options): Add
5667 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5668 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5669 -mkernel, -static or -mdynamic-no-pic is given.
5670 (C_COMMON_OVERRIDE_OPTIONS): Add.
5671 * config/darwin.opt (fapple-kext): Add.
5673 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5674 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5676 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5677 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5678 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5679 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5680 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5681 (flag_mkernel): Add.
5682 (flag_apple_kext): Add.
5683 (TARGET_KEXTABI): Add.
5684 * config/darwin.c (darwin_handle_kext_attribute): Add.
5685 (DARWIN_VTABLE_P): Add.
5686 (darwin_binds_local_p): Add partial support for rebinding vtables
5688 (darwin_kextabi_p): Add.
5689 (darwin_override_options): Add.
5690 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5691 (darwin_kextabi_p): Add.
5692 (darwin_override_options): Add.
5693 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5694 __DYNAMIC__ and __STATIC__ here.
5696 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5698 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5699 Added mention of "make pdf" target, and Texinfo requirements for
5702 2006-10-16 DJ Delorie <dj@redhat.com>
5704 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5705 into the GOT in case we need a subreg of the address.
5707 2006-10-16 Richard Guenther <rguenther@suse.de>
5710 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5711 SSE builtin documentation. Document SSE2 builtins.
5713 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5715 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5716 symbol in the output file for non-shared links when -nostdlib or
5717 -nodefaultlibs isn't specified.
5719 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5720 posix thread support.
5722 2006-10-15 Jan Hubicka <jh@suse.cz>
5725 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5726 declared always_inline even when not inlining.
5728 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5729 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5730 Andrew Pinski <pinskia@gmail.com>
5733 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5735 2006-10-15 Jan Hubicka <jh@suse.cz>
5736 Richard Guenther <rguenther@suse.de>
5739 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5740 process_function_and_variable_attributes on all variables, including
5741 those discovered during cgraph construction phase.
5743 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5745 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5747 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5749 * config/i386/athlon.md (athlon_fist): Add fisttp.
5751 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5752 Ian Lance Taylor <ian@airs.com>
5755 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5756 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5759 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5761 * config/score/score.c, config/score/score.h: Fix comment
5764 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5767 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5770 2006-10-13 Eric Christopher <echristo@apple.com>
5772 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5774 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5777 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5778 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5779 alignment supported by 32-bit ELF.
5781 2006-10-13 Eric Christopher <echristo@apple.com>
5783 * config/darwin.c (darwin_emit_unwind_label): Strip
5784 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5786 2006-10-13 Richard Guenther <rguenther@suse.de>
5788 PR tree-optimization/29446
5789 * tree-vrp.c (fix_equivalence_set): Remove.
5790 (extract_range_from_assert): Do not call fix_equivalence_set.
5791 (debug_value_range): Print a newline.
5792 (compare_name_with_value): For equivalence sets with
5793 inconsistent value ranges conservatively bail out.
5794 (compare_names): Likewise.
5796 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5798 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5799 and MPFR for gfortran.
5801 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5803 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5804 alignment supported by 32-bit ELF.
5806 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5810 * c-typeck.c (digest_init): Always allow initializing vectors
5811 that have static storage duration with compound literals.
5812 * tree.c (build_type_attribute_qual_variant): New, based on
5813 build_type_attribute_variant.
5814 (build_type_attribute_variant): Rewrite using the former.
5815 (make_vector_type): Use build_type_attribute_qual_variant to build
5816 type variants. Use type_hash_canon on the others.
5818 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5819 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5821 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5823 2006-10-12 Jan Hubicka <jh@suse.cz>
5826 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5827 current_function_decl is set but current_function_scope is not.
5829 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5831 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5832 emit_insn to emit eh_return_internal instruction.
5833 (eh_return_internal): Explicitly set pc.
5835 2006-10-11 Richard Guenther <rguenther@suse.de>
5837 PR tree-optimization/28230
5838 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5839 to the correct place.
5841 2006-10-11 Richard Guenther <rguenther@suse.de>
5844 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5847 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5849 * configure.ac: Added pdf to "Make-hooks"
5850 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5851 targets and *.pdf file patterns in cleanup targets.
5852 * configure: Regenerated.
5854 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5856 * config/avr/predicates.md: New file.
5857 * config/avr/avr.md: Include it.
5858 (REG_SP): New constant.
5859 (peepholes): Use predicates.
5860 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5861 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5862 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5864 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5866 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5869 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5872 * builtins.c (var_decl_component_p): New function.
5873 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5874 single entry optimization to variables and components thereof.
5876 2006-10-10 Richard Guenther <rguenther@suse.de>
5878 PR rtl-optimization/29323
5879 * except.c (set_nothrow_function_flags): For functions
5880 that do not bind local bail out early.
5882 2006-10-10 Ben Elliston <bje@au.ibm.com>
5884 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5887 2006-10-09 Richard Henderson <rth@redhat.com>
5889 Revert emutls patch.
5891 2006-10-09 Richard Guenther <rguenther@suse.de>
5894 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5897 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5900 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5901 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5902 * configure: Regenerate.
5903 * config.in: Regenerate.
5905 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5907 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5909 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5911 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5912 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5913 Remove stray newline.
5915 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5917 * config/mips/mips.c (mips_classify_symbol): Do not return
5918 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5919 (mips_in_small_data_p): Tweak comments.
5921 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5923 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5925 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5927 * gimplify.c, sched-int.h: Fix comment typos.
5929 * sched-int.h: Fix comment typos.
5931 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5933 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5935 * sched-ebb.c (begin_schedule_ready): Use them.
5936 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5937 add_to_speculative_block, create_check_block_twin, speculate_insn,
5938 fix_jump_move, move_block_after_check): Ditto.
5939 * sched-rgn.c (new_ready): Ditto.
5941 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5943 PR rtl-optimization/29128
5944 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5945 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5946 allow interblock movement of speculation checks.
5948 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5951 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5952 casted to integer type.
5953 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5954 if they are significantly more expensive than [reg + index] ones.
5956 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5958 PR tree-optimization/29330
5959 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5960 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5961 on newly allocated ddrs.
5962 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5963 to VEC (loop_p, heap) pointer.
5964 (compute_data_dependences_for_loop): Adjust caller.
5965 (free_dependence_relations): Free DDR_LOOP_NEST.
5967 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5968 free DEPENDENCE_RELATIONS and DATAREFS.
5971 * builtins.c (expand_builtin_sync_operation,
5972 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5973 Use convert_to_mode to handle promoted arguments.
5975 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5977 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5979 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5981 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5983 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5985 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5986 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5987 Use <modeconstraint> instead of "r" as operand 1 constraint.
5989 2006-10-06 Olivier Hainque <hainque@adacore.com>
5991 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5992 Don't recurse on the pointed-to type.
5993 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5994 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5995 types with components of variable size.
5997 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5999 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6001 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6003 PR tree-optimization/29290
6004 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6008 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6009 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6012 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6013 the number of vector elements fill the rest with zeros.
6015 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6017 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6018 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6021 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6023 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6024 unnamed pattern into subsi3. Use correct constraints/predicates.
6025 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6026 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6028 2006-10-05 Ira Rosen <irar@il.ibm.com>
6030 * doc/loop.texi: Add data references analysis description.
6032 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6034 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6036 2006-10-04 Richard Henderson <rth@redhat.com>
6037 Jakub Jelinek <jakub@redhat.com>
6039 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6040 * builtin-types.def (BT_WORD): Make unsigned.
6041 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6042 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6043 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6044 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6045 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6046 * cgraph.c (decide_is_variable_needed): Look at force_output.
6047 Recurse for emulated tls.
6048 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6049 checks redundant with decide_is_variable_needed.
6050 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6051 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6053 * expr.c (emutls_var_address): New.
6054 (expand_expr_real_1): Expand emulated tls.
6055 (expand_expr_addr_expr_1): Likewise.
6056 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6057 * output.h (emutls_finish): Declare.
6058 * toplev.c (compile_file): Call it.
6059 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6060 address before wrapping in CONST.
6061 * varasm.c (emutls_htab, emutls_object_type): New.
6062 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6063 (get_emutls_object_name, get_emutls_object_type): New.
6064 (get_emutls_init_templ_addr, emutls_decl): New.
6065 (emutls_common_1, emutls_finish): New.
6066 (assemble_variable): When emulating tls, swap decls; generate
6067 constructor for the emutls objects.
6068 (do_assemble_alias): When emulating tls, swap decl and target name.
6069 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6071 * emutls.c: New file.
6072 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6073 tls_object for real tls.
6075 2006-10-04 Zack Weinberg <zackw@panix.com>
6077 Fix bug in constraint-check generator, reported by Rask Ingemann
6079 * genpreds.c (add_constraint): Don't remove anything from the
6081 (write_tm_constrs_h): Detect whether "op" argument is used, and
6082 mark it ARG_UNUSED if it isn't.
6083 (write_insn_const_int_ok_for_constraint): Skip the part of the
6084 expression that would test whether "op" (which is not available
6085 here) is a CONST_INT.
6087 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6090 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6092 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6094 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6095 current Leopard versions.
6096 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6098 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6100 * doc/install.texi: Fix typos.
6102 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6104 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6105 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6106 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6108 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6110 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6111 arg to be struct mach_header_64* instead.
6113 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6116 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6117 side effects after the outer expression's post side effects.
6119 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6121 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6122 comments to reflect actual behavior and relationship between
6123 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6125 * doc/c-tree.texi (Working with declarations): Fix documentation
6126 of FIELD_DECL likewise.
6128 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6131 * doc/extend.texi: Add used variable attribute description.
6133 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6136 * c.opt (Woverride-init): New.
6137 * c-opts.c (c_common_post_options): Default warn_override_init to
6139 * c-typeck.c (add_pending_init, output_init_element): Warn for
6140 overriding initializers without side effects.
6141 * doc/invoke.texi (-Woverride-init): Document.
6144 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6146 PR rtl-optimization/28096
6147 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6148 assignment has already been used as a destination earlier in the block.
6150 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6152 * builtins.c (expand_builtin_setjmp): Delete.
6153 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6154 <BUILT_IN_SETJMP_SETUP>: New case.
6155 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6156 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6157 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6158 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6159 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6160 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6161 (lower_function_body): Initialize it to false. If it is set to true
6162 at the end of the processing, emit the setjmp dispatcher.
6163 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6164 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6165 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6166 on the rhs of the assignment.
6167 (lower_builtin_setjmp): New function.
6168 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6169 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6170 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6171 to detect calls that can go to non-local labels. Use specific
6172 helper to create the abnormal edges associated with them.
6173 <MODIFY_EXPR>: Likewise.
6174 (make_abnormal_goto_edges): New function extracted from...
6175 (make_goto_expr_edges): ...here. Call it for computed gotos.
6176 (simple_goto_p): Minor tweak.
6177 (tree_can_make_abnormal_goto): New predicate.
6178 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6179 (tree_purge_dead_abnormal_call_edges): New function.
6180 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6181 (tree_purge_dead_abnormal_call_edges): Likewise.
6182 (make_abnormal_goto_edges): Likewise.
6183 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6184 Purge all dead abnormal edges if the call was in the last statement.
6185 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6186 (execute_fixup_cfg): If there are non-local labels in the function,
6187 scan the basic blocks and split them at calls that can go to non-local
6188 labels or add missing abnormal call edges. Write down the CFG in the
6190 (pass_fixup_cfg): Remove TODO_dump_func flag.
6191 * unwind-sjlj.c: Poison setjmp.
6192 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6193 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6194 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6195 (DONT_USE_BUILTIN_SETJMP): Document it.
6197 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6200 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6201 to 1 when __ppc64__ is defined.
6202 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6204 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6206 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6208 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6209 * config/ia64/unwind-hpux.c: Delete.
6211 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6213 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6214 on the element before gimplifying it, instead of punting if it is of
6217 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6219 * doc/loop.texi: New file.
6220 * doc/gccint.texi: Reference loop.texi.
6221 * Makefile.in (loop.texi): Add.
6223 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6225 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6227 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6228 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6230 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6232 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6234 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6236 * doc/install.texi: Document required versions of GMP and MPFR.
6238 2006-09-27 Paul Brook <paul@codesourcery.com>
6241 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6243 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6245 * reload1.c (alter_reg): Require the alignment of the stack slot to
6246 be at least reg_max_ref_width bytes.
6247 (scan_paradoxical_subregs): Record the largest width in
6250 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6254 * tree-nested.c (struct nesting_info): Added static_chain_added.
6255 (convert_call_expr): Set static_chain_added when adding static
6256 chain. Handle OMP_PARALLEL and OMP_SECTION.
6258 2006-09-25 Matthias Klose <doko@debian.org>
6260 * doc/invoke.texi: Add missing full stop.
6262 2006-09-25 Richard Henderson <rth@redhat.com>
6264 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6265 before cgraph_function_flags_ready.
6267 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6268 Adam Nemet <anemet@caviumnetworks.com>
6270 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6271 determine_common_wider_type): New functions.
6272 (get_computation_aff): Use them to simplify arithmetic between
6273 UBASE and CBASE if they are shortened from the same type.
6275 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6278 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6279 -2147483647 - 1 instead of 0x80000000.
6281 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6283 * flags.h (HONOR_NANS): Fix typo in comment.
6285 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6287 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6289 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6293 * tree.c (merge_attributes, attribute_list_contained): If both
6294 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6296 * c-typeck.c (comptypes_internal): Don't consider aggregates
6297 in different TUs as compatible if there one set of attributes is
6298 not a subset of the other type's attributes.
6299 (composite_type): Try harder not to create a new aggregate type.
6301 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6303 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6304 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6305 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6306 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6307 than replicating condition above.
6308 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6310 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6311 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6312 the linker by default.
6314 2006-09-22 Mike Stump <mrs@apple.com>
6316 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6319 2006-09-22 Richard Guenther <rguenther@suse.de>
6322 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6323 sort of stack variables stable.
6325 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6328 * explow.c (force_reg): Set REG_POINTER flag according to
6331 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6333 PR tree-optimization/28888
6334 * tree-if-conv.c (combine_blocks): Rewritten.
6335 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6336 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6338 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6340 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6343 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6345 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6347 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6349 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6351 2006-09-21 Roger Sayle <roger@eyesopen.com>
6354 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6355 dw_fde_current_label, to be the start of the function, i.e. the same
6356 value as dw_fde_begin.
6358 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6360 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6361 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6362 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6363 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6364 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6365 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6366 (abs<mode>2, neg<mode>2): Likewise.
6367 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6368 (*mips_abs_ps): New define_insn.
6370 2006-09-20 Josh Conner <jconner@apple.com>
6373 * calls.c (expand_call): Allow reuse of structure return stack
6376 2006-09-20 Paul Brook <paul@codesourcery.com>
6378 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6381 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6383 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6384 clean up terminology.
6386 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6389 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6390 with tablejumps in them.
6392 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6395 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6396 wrap it into TARGET_EXPR.
6398 2006-09-20 Eric Christopher <echristo@apple.com>
6400 * config/i386/i386.c (x86_fisttp): Remove.
6401 * config/i386/i386.h (x86_fisttp): Ditto.
6402 (TARGET_FISTTP): Ditto.
6404 2006-09-19 Eric Christopher <echristo@apple.com>
6406 * doc/tm.texi (OBJC_JBLEN): Describe.
6407 * config/i386/darwin.h (OBJC_JBLEN): Define.
6408 * config/rs6000/darwin.h: Ditto.
6410 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6412 PR rtl-optimization/21299
6413 * reload1.c (reload): Purge invalid ASMs in the final pass.
6415 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6418 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6419 pointers as legitimate constants.
6421 2006-09-19 Paul Brook <paul@codesourcery.com>
6424 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6426 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6428 PR tree-optimization/28887
6429 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6430 component parts from the reference.
6431 (gather_memory_references_ref): Record the reference without the
6432 nonaddressable component parts.
6434 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6437 * c-opts.c (c_common_handle_option): Ignore the -std options
6438 if the input language is assembly.
6440 2006-09-17 Ira Rosen <irar@il.ibm.com>
6443 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6445 (ptr_ptr_may_alias_p): Likewise.
6446 (record_record_differ_p): New function.
6447 (base_object_differ_p): Call record_record_differ_p.
6449 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6452 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6453 away for the expr argument.
6455 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6458 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6459 before using it for dumping after vectorizing loops.
6461 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6462 Jack Howarth <howarth@bromo.med.uc.edu>
6465 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6466 skip on error_mark_node.
6467 (rs6000_darwin64_record_arg_recurse): Likewise.
6469 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6471 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6472 * doc/rtl.texi: Remove related documentation.
6474 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6476 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6479 2006-09-15 Jim Wilson <wilson@specifix.com>
6481 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6482 Handle symbol offsets same as they are handled in ia64_expand_move
6485 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6487 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6488 Add forgotten parameter to the fprintf call.
6490 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6492 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6494 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6496 * doc/contrib.texi: Add my entry.
6498 2006-09-15 Nick Clifton <nickc@redhat.com>
6500 * doc/md.texi (Processor pipeline description): Fix typo in
6501 example of how to use the absence_set directive and reword the
6502 description to make it slightly easier to read.
6504 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6506 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6507 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6508 expanding the number of iterations.
6509 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6511 * cfgrtl.c (emit_insn_at_entry): New function.
6512 * rtl.h (emit_insn_at_entry): Declare it.
6513 * integrate.c (emit_initial_value_sets): Use it.
6515 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6517 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6519 (struct loop_work and related VEC declarations): Delete.
6520 (bfin_dump_loops): Print out new member bad.
6521 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6522 (bfin_scan_loop): Don't recurse.
6523 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6524 loops. No longer need to update outer loops if the current one is
6525 found bad. Move some validitiy checks to bfin_discover_loop.
6526 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6527 but changed not to check for nesting. Also changed to use the new bad
6529 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6530 time. Use bitmap based test to discover loop nesting.
6532 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6534 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6537 2006-09-14 Richard Guenther <rguenther@suse.de>
6538 Kazu Hirata <kazu@codesourcery.com>
6540 PR middle-end/28884.
6541 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6542 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6543 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6544 with TARGET_FUNCTION_VALUE.
6546 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6549 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6551 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6553 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6556 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6559 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6562 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6564 * basic_block.h (bb_has_eh_pred): Fix comment.
6566 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6568 * flow.c (calculate_global_regs_live): Invalidate eh registers
6569 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6570 (propagate_block): Handle eh registers as if they were set at basic
6572 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6574 * global.c (global_conflicts): Make eh registers to conflict with
6575 pseudos live at basic block begin.
6576 * basic_block.h (bb_has_eh_pred): New function.
6578 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6580 PR rtl-optimization/28982
6581 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6582 index of a PRE_MODIFY or POST_MODIFY address.
6583 * reload1.c (inc_for_reload): Use find_replacement on the original
6584 base and index registers.
6586 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6588 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6589 for -Os. Update __m128 alignment requirement.
6591 2006-09-13 Jan Hubicka <jh@suse.cz>
6593 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6595 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6597 PR rtl-optimization/28243
6598 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6599 the insn to which the note was originally attached.
6601 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6602 Roger Sayle <roger@eyesopen.com>
6604 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6605 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6606 on platforms that don't use dwarf for debug info.
6608 2006-09-12 Jason Merrill <jason@redhat.com>
6611 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6612 hard_frame_pointer_rtx after using it to update the frame pointer.
6614 2006-09-12 Roger Sayle <roger@eyesopen.com>
6616 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6617 (TARGET_ASM_CLOSE_PAREN): Likewise.
6618 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6619 (TARGET_ASM_CLOSE_PAREN): Likewise.
6621 2006-09-12 Roger Sayle <roger@eyesopen.com>
6624 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6625 frame information for frames larger than 512 Kbytes on Tru64 when
6626 using the native assembler.
6628 2006-09-12 Roger Sayle <roger@eyesopen.com>
6632 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6633 and symbols. Instead use the implementation from cse.c's hash_rtx.
6635 2006-09-12 Jan Hubicka <jh@suse.cz>
6637 PR rtl-optimization/28071
6638 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6639 (vect_transform_loop): Likewise.
6640 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6641 (new_loop_vec_info): Likewise.
6642 (destroy_loop_vec_info): Likewise.
6643 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6644 (create_stmt_ann): Likewise.
6645 (create_tree_ann): Rename to ...
6646 (create_tree_common_ann): ... this one; allocate only the common part
6648 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6649 (get_value_handle): Likewise.
6650 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6651 get_tree_common_ann.
6652 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6653 (vinfo_for_stmt): Use stmt annotations.
6654 * tree-flow.h (tree_ann_common_t): New type.
6655 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6656 (tree_ann, get_tree_ann, create_tree_ann): New.
6657 * tree-flow-inline.h (get_function_ann): Do more type checking.
6658 (stmt_ann): Likewise.
6659 (tree_ann): Rename to ...
6660 (tree_common_ann): ... this one; return ony common_ann
6661 (get_tree_ann): Rename to ...
6662 (tree_common_ann): This one; return only common_ann.
6663 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6666 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6668 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6669 with_cpu by default.
6671 * dwarf2out.c (dwarf_file_data): New.
6672 (enum dw_val_class): Add dw_val_class_file.
6673 (struct dw_val_struct): Add val_file.
6674 (file_table): Change to a hash table.
6675 (file_table_emitted): Delete.
6676 (file_table_last_lookup_index): Delete.
6677 (emitcount): Delete.
6678 (last_emitted_file): New.
6679 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6680 (init_file_table): Delete.
6681 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6682 (AT_addr): Add comment.
6686 (print_die): Handle dw_val_class_file.
6687 (print_dwarf_line_table): Update for new file table structure.
6688 (attr_checksum): Do checksum a filename.
6689 (same_dw_val_p, same_attr_p): Do compare a filename.
6690 (size_of_die): Handle dw_val_class_file.
6691 (value_format): Likewise.
6692 (output_die): Likewise. Also, call maybe_emit_file here.
6693 (struct file_info): Constify filenames. Make file_idx a pointer
6694 to a struct dwarf_file_data.
6695 (struct dir_info): Constify directory names. Remove 'used' field.
6696 (struct file_name_acquire_data): New.
6697 (file_name_acquire): New.
6698 (output_file_names): Modify to handle new file data structures.
6699 (add_src_coords_attributes): Use add_AT_file.
6700 (add_call_src_coords_attributes): Likewise.
6701 (dwarf2out_imported_module_or_decl): Likewise.
6702 (gen_subprogram_die): Modify for new file data structures.
6703 (gen_variable_die): Likewise.
6704 (file_table_eq): New.
6705 (file_table_hash): New.
6706 (file_table_last_lookup): New.
6707 (lookup_filename): Rewrite to handle new file data structures.
6708 (maybe_emit_file): Rewrite to handle new file data structures.
6709 (dwarf2out_source_line): Always call lookup_filename and
6711 (dwarf2out_init): Create file_table here.
6712 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6713 (file_table_relative_p): New.
6714 (dwarf2out_finish): Change detection of relative filenames
6715 to work with new file data structures. Move output_line_info call
6716 after debug_info output.
6718 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6723 * config/i386/i386.c (override_options): Always default to 16
6724 byte stack boundary.
6726 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6729 * var-tracking.c (dump_dataflow_set): Start dumping at
6731 (clobber_variable_part): Kill only the variable part in
6732 registers holding it, leaving other variables alone.
6734 2006-09-11 Josh Triplett <josh@freedesktop.org>
6736 * doc/extend.texi (Other Builtins): Actually use the macro
6737 argument in the documentation example for
6738 __builtin_types_compatible_p.
6740 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6742 PR rtl-optimization/28726
6743 * sched-deps.c (sched_analyze_reg): New function extracted from...
6744 (sched_analyze_1): ...here. Call it to analyze references to
6745 registers. Treat again writes to a stack register as writing to the
6747 (sched_analyze_2): ...and here. Call it to analyze references to
6748 registers. Treat again reads of a stack register as reading the
6751 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6752 David Edelsohn <edelsohn@gnu.org>
6755 * config/rs6000/spe.md (frob_df_di): Remove %H.
6756 (frob_di_df): Remove %H. Change evmergelo to mr.
6757 (frob_di_df_2): Remove %H. Change evldd to two loads.
6759 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6761 * doc/cpp.texi: Fix names of charset options.
6763 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6766 * config/i386/i386.c (override_options): Use 128-bit
6767 stack boundary always for 64bits.
6769 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6771 PR rtl-optimization/28636
6772 * combine.c (force_to_mode): Test for side-effects before
6773 substituting by zero.
6774 (simplify_shift_const): Likewise for zero or other constants.
6776 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6779 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6782 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6785 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6786 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6787 returned by mode_for_size, rather than the mode of src itself,
6788 to choose between 32-bit and 64-bit patterns.
6789 (mips_mem_fits_mode_p): New function.
6790 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6791 that the size of the source matches the size of the destination.
6792 (mov_<store>l, mov_<store>r): Likewise.
6794 2006-09-10 Eric Christopher <echristo@apple.com>
6796 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6799 2006-09-09 Eric Christopher <echristo@apple.com>
6802 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6805 2006-09-09 Roger Sayle <roger@eyesopen.com>
6806 Nicolas Setton <setton@adacore.com>
6808 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6810 2006-09-10 Andreas Schwab <schwab@suse.de>
6812 * config/m68k/m68k.md (bungt_rev): New pattern.
6814 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6815 Dale Johannesen <dalej@apple.com>
6818 * regclass.c (struct reg_pref): Update documentation.
6819 (regclass): Set prefclass to NO_REGS if memory is the best option.
6820 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6822 2006-09-08 Eric Christopher <echristo@apple.com>
6824 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6825 * config/t-slibgcc-darwin: Support x86_64 multilib.
6826 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6827 Return 1 for x86_64-darwin.
6828 * config/i386/t-darwin: Add m64 multilib.
6829 (LIB2_SIDITI_CONV_FUNCS): Use.
6830 (LIB2FUNCS_EXTRA): Ditto.
6831 * config/i386/darwin.h: Support x86_64.
6832 * config/i386/i386.c (override_options): Turn on flag_pic
6833 for x86_64-darwin. Disable flag_omit_pointer.
6834 (get_pc_thunk_name): Assert !TARGET_64BIT.
6835 (legitimate_address_p): Disable machopic addressing for
6837 (legitimize_pic_address): Ditto.
6838 (ix86_expand_move): Ditto.
6839 (ix86_expand_call): Ditto.
6840 (machopic_output_stub): Ditto.
6841 * config/darwin.c (machopic_select_section): Support literal16.
6842 (machopic_select_rtx_section): Ditto.
6843 * config/darwin-sections.def: Ditto.
6844 * config/darwin-64.c: New.
6846 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6849 * c-tree.h (struct c_arg_info): Add pending_sizes.
6850 * c-parser.c (c_parser_parms_declarator,
6851 c_parser_parms_list_declarator): Initialize pending_sizes.
6852 * c-decl.c (get_parm_info): Initialize pending_sizes.
6853 (get_parm_info): Set pending_sizes.
6854 (grokdeclarator): Call put_pending_sizes for parameters for
6855 function definition only.
6857 2006-09-07 Jason Merrill <jason@redhat.com>
6860 * varasm.c (output_constant): Only strip actual no-op conversions.
6863 * config/i386/i386.c (override_options): Use 128-bit
6864 stack boundary if -msse.
6866 2006-09-07 Eric Christopher <echristo@apple.com>
6868 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6870 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6873 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6875 * dwarf2out.c: Remove strange characters from comment above
6876 dwarf2out_frame_debug_expr.
6878 2006-09-07 Eric Christopher <echristo@apple.com>
6880 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6881 * config/darwin.h: ... to here.
6883 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6885 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6887 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6888 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6890 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6891 TARGET_PARTIAL_FLAG_REG_STALL.
6892 (*ashldi3_cconly_rex64): Likewise.
6893 (*ashlsi3_cmp): Likewise.
6894 (*ashlsi3_cconly): Likewise.
6895 (*ashlsi3_cmp_zext): Likewise.
6896 (*ashlhi3_cmp): Likewise.
6897 (*ashlhi3_cconly): Likewise.
6898 (*ashlqi3_cmp): Likewise.
6899 (*ashlqi3_cconly): Likewise.
6900 (*ashrdi3_cmp_rex64): Likewise.
6901 (*ashrdi3_cconly_rex64): Likewise.
6902 (*ashrsi3_cmp): Likewise.
6903 (*ashrsi3_cconly): Likewise.
6904 (*ashrsi3_cmp_zext): Likewise.
6905 (*ashrhi3_cmp): Likewise.
6906 (*ashrhi3_cconly): Likewise.
6907 (*ashrqi3_cmp): Likewise.
6908 (*ashrqi3_cconly): Likewise.
6909 (*lshrdi3_cmp_rex64): Likewise.
6910 (*lshrdi3_cconly_rex64): Likewise.
6911 (*lshrsi3_cmp): Likewise.
6912 (*lshrsi3_cconly): Likewise.
6913 (*lshrsi3_cmp_zext): Likewise.
6914 (*lshrhi3_cmp): Likewise.
6915 (*lshrhi3_cconly): Likewise.
6916 (*lshrqi2_cmp): Likewise.
6917 (*lshrqi2_cconly): Likewise.
6919 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6922 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6923 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6924 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6925 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6926 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6927 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6928 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6929 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6930 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6931 implement only CC setting effects of shift instructions.
6933 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6935 * doc/contrib.texi: Add myself.
6937 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6940 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6941 was set by the user.
6943 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6946 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6947 (divsi_inv_m1): Use them.
6948 (UNSPEC_DIV_INV_TABLE): New constant.
6950 2006-09-06 James E Wilson <wilson@specifix.com>
6953 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6954 then call count_or_remove_death_notes.
6956 2006-09-06 Jason Merrill <jason@redhat.com>
6959 * tree-inline.c (copy_result_decl_to_var): New fn.
6960 (declare_return_variable): Use it. Call declare_inline_vars here.
6961 (expand_call_inline): Not here.
6963 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6965 * doc/contrib.texi: Update my entry.
6967 2006-09-06 Nick Clifton <nickc@redhat.com>
6969 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6971 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6974 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6975 (canonicalize_induction_variables): Likewise.
6976 (tree_unroll_loops_completely): Likewise.
6977 (tree_ssa_prefetch_arrays): Likewise.
6978 (remove_empty_loops): Likewise.
6979 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6980 TODO_cleanup_cfg instead of directly calling
6981 cleanup_tree_cfg_loop.
6982 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6984 (tree_unroll_loops_completely): Likewise.
6985 (remove_empty_loops): Likewise.
6986 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6987 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6988 of tree_ssa_unswitch_loops.
6989 (tree_ssa_loop_ivcanon): Use the return value of
6990 canonicalize_induction_variables.
6991 (tree_ssa_empty_loop): Use the return value of
6993 (tree_complete_unroll): Use the return value of
6994 tree_unroll_loops_completely.
6995 (tree_ssa_loop_prefetch): Use the return value of
6996 tree_ssa_prefetch_arrays.
6997 * passes.c (execute_todo): Before Cleanup CFG, set
6998 updating_used_alone and after cleanup CFG, call
6999 recalculate_used_alone.
7001 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7004 * tree-vect-transform.c (vectorizable_condition): Move the check
7005 for the type after the check for simple condition.
7007 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7008 Kaz Kojima <kkojima@gcc.gnu.org>
7011 * mode-switching.c (optimize_mode_switching): Make the destination
7012 block of an abnormal edge have no anticipatable mode. Don't
7013 insert mode switching code at the end of the source block of
7016 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7018 PR rtl-optimization/26847
7019 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7020 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7021 (simplify_plus_minus): Count n_constants while filling ops. Replace
7022 qsort with insertion sort. Before going through the array to simplify
7023 pairs, sort it. Delay early exit until after the first sort, exiting
7024 only if no swaps occurred. Simplify pairs in reversed order, without
7025 special-casing the first iteration. Pack ops after simplifying pairs.
7027 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7029 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7030 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7031 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7032 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7034 2006-09-05 Richard Guenther <rguenther@suse.de>
7036 PR tree-optimization/28900
7037 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7038 compound conditional before creating COND_EXPR condition.
7040 2006-09-05 Richard Guenther <rguenther@suse.de>
7042 PR tree-optimization/28905
7043 * tree-vrp.c (fix_equivalence_set): Manually implement
7044 !value_ranges_intersect_p to also handle symbolic ranges.
7046 2006-09-05 Richard Guenther <rguenther@suse.de>
7049 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7052 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7054 PR rtl-optimization/27616
7055 * cse.c (table_size): New static variable.
7056 (new_basic_block): Initialize it to 0.
7057 (remove_from_table): Decrement it.
7058 (insert): Increment it.
7059 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7060 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7061 fold_rtx_mem_1 if under the cap.
7062 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7063 the lookup of the equivalent expression and test for equality of the
7064 first operand of the equivalent expression before in turn looking up
7065 an equivalent constant for the second operand.
7067 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7070 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7071 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7072 pointer, instead of assuming it is possible to derive the
7073 correct args size from a call insn.
7075 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7078 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7079 (fold_builtin_mempcpy): Rename to...
7080 (fold_builtin_memory_op): ... this. Optimize one element copy
7082 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7084 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7085 (expand_builtin_memcpy, expand_builtin_mempcpy,
7086 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7087 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7088 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7089 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7091 2006-09-01 DJ Delorie <dj@redhat.com>
7093 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7094 (stzx_16): Likewise.
7095 ("stzx_24_<mode>"): Likewise.
7096 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7097 ("cmp<mode>_op"): New.
7098 (cmp<mode>): Change to expander; just save operands.
7100 (b<code>): Change to expander, emit compare here.
7101 (s<code>_op): Change to use split and expander.
7102 (s<code>_24_op): Likewise.
7103 (s<code>_<mode>): New.
7104 (s<code>_<mode>_24): New.
7105 (movqicc_<code>_<mode): New.
7106 (movhicc_<code>_<mode>): New.
7109 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7110 (m32c_pend_compare): New.
7111 (m32c_unpend_compare): New.
7112 (m32c_expand_scc): New.
7113 (m32c_expand_movcc): Emit the compare also.
7114 * config/m32c/predicates.md (mra_nopp_operand): New.
7116 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7117 Richard Guenther <rguenther@suse.de>
7118 Adam Nemet <anemet@caviumnetworks.com>
7121 * builtins.c (get_pointer_alignment): Handle more forms
7122 of base addresses that can be used to derive more precise
7123 information about alignment.
7125 2006-09-01 Jason Merrill <jason@redhat.com>
7128 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7131 * gimplify.c (voidify_wrapper_expr): Handle null type.
7133 2006-09-01 Josh Conner <jconner@apple.com>
7136 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7137 (execute_return_slot_opt): Use it.
7139 2006-08-31 Josh Conner <jconner@apple.com>
7142 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7143 returning aggregates.
7145 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7147 PR tree-optimization/28839
7148 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7149 blocks in that phi arguments appear.
7151 2006-08-31 Roger Sayle <roger@eyesopen.com>
7154 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7155 NULL, otherwise use an advance_loc4 to adjust relative to the
7157 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7158 (dwarf2out_switch_text_section): Reset the current label to avoid
7159 using advance_loc4 over section boundaries.
7161 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7164 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7165 r12 + SYMBOLIC_CONST.
7167 2006-08-30 Richard Guenther <rguenther@suse.de>
7169 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7171 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7173 PR rtl-optimization/27735
7174 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7175 Add new argument to keep track of whether an irreducible region
7176 was affected. All callers changed.
7177 (fix_irreducible_loops): Removed.
7178 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7179 flags were invalidated.
7181 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7183 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7184 instead of SF operands.
7185 (*fop_df_comm_sse): Likewise.
7186 (*fop_df_comm_i387): Likewise.
7187 (*fop_df_1_mixed): Likewise.
7188 (*fop_df_1_sse): Likewise.
7190 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7191 J"orn Rennecke <joern.rennecke@st.com>
7193 PR tree-optimization/17506
7194 * tree-ssa.c (warn_uninit): If warning about a location outside of
7195 the current function, note where the variable was declared.
7197 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7199 PR tree-optimization/28411
7200 * double-int.c (double_int_div): Use double_int_divmod.
7201 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7202 double_int_mod, double_int_smod, double_int_umod): New functions.
7203 * double-int.h (double_int_divmod, double_int_sdivmod,
7204 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7206 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7208 (get_computation_aff, get_computation_cost_at): Handle double_int
7209 return type of constant_multiple_of.
7211 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7214 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7215 an implicit conversion.
7217 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7219 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7221 2006-08-27 Roger Sayle <roger@eyesopen.com>
7223 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7226 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7228 * config/i386/crtfastmath.c: Fix a comment typo.
7230 2006-08-26 Roger Sayle <roger@eyesopen.com>
7232 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7233 temporary visit flags on CASE_LABEL_EXPRs.
7234 * c-common.c (match_case_to_enum): Add function comment. Avoid
7235 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7236 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7237 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7238 a constant, only warn if that constant value isn't handled.
7240 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7243 * input.h (restore_input_file_stack): Declare.
7244 (INPUT_FILE_STACK_BITS): Define.
7245 * toplev.c (fs_p, input_file_stack_history,
7246 input_file_stack_restored, restore_input_file_stack): New.
7247 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7248 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7249 (pop_srcloc): Don't free old state of stack.
7251 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7254 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7255 (PowerPC Type Attributes): New.
7257 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7259 * config/xtensa/xtensa.c (function_arg_boundary): New.
7260 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7262 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7263 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7265 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7268 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7271 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7273 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7274 (verify_local_live_at_start): Likewise.
7276 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7279 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7280 omp_add_variable): Treat sizes as variable whenever not
7283 2006-08-26 Richard Guenther <rguenther@suse.de>
7286 * fold-const.c (fold_binary): Fold temporary to correct
7287 type before constructing new comparison.
7289 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7292 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7293 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7295 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7298 * c-decl.c (start_function): Don't try to process prototype
7299 information from old declaration that isn't a function.
7301 2006-08-25 Jan Hubicka <jh@suse.cz>
7304 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7306 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7309 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7312 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7314 PR tree-optimization/16876
7315 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7316 exit if PARM doesn't match VALUE.
7318 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7320 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7321 literal_prefix directive.
7322 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7323 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7324 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7326 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7329 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7330 predicate to general_operand. Add 0->y and I->r alternatives.
7332 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7334 * doc/tm.texi: Fix a typo.
7335 * predict.c: Fix comment typos.
7337 2006-08-25 Nick Clifton <nickc@redhat.com>
7339 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7340 assertions of "cpu" and "machine".
7342 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7345 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7346 the access through a base which has an alias set of 0 cannot
7349 2006-08-24 Bill Wendling <wendling@apple.com>
7351 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7353 2006-08-24 Jan Hubicka <jh@suse.cz>
7355 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7357 2006-08-24 Jan Hubicka <jh@suse.cz>
7360 * cgraph.c: Fix comments.
7361 (cgraph_varpool_mark_needed_node): Mark only variables not already
7363 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7364 (cgraph_varpool_assembled_nodes_queue): New static variable.
7365 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7366 (cgraph_varpool_output_debug_info): New function.
7367 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7368 * Makefile.in: Add gt-cgraphunit.h
7370 2006-08-24 Jan Hubicka <jh@suse.cz>
7372 * predict.c (probability_reliable_p): New predicate.
7373 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7374 (predict_loops): Do not predict loop exit with less than 2%
7376 * basic-block.h (edge_probability_reliable_p,
7377 br_prob_note_reliable_p): Declare.
7378 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7379 prediction when static predictor is not reliable.
7380 * rs6000.c (output_cbranch): Likewise.
7382 2006-08-23 Stuart Hastings <stuart@apple.com>
7385 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7386 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7388 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7391 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7392 complex values, nor for generic vector values.
7394 2006-08-22 Richard Guenther <rguenther@suse.de>
7397 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7398 parameter. Convert arguments to arithmetic expression to the
7400 (analyze_scalar_evolution_1): Adjust caller.
7402 2006-08-22 Jan Hubicka <jh@suse.cz>
7404 Patch by Paolo Bonzini
7405 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7408 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7410 PR tree-optimization/28003
7411 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7412 before grouping aliases.
7414 2006-08-22 Roger Sayle <roger@eyesopen.com>
7416 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7417 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7419 2006-08-21 Jason Merrill <jason@redhat.com>
7422 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7423 wrapper. Loop to handle nested wrappers.
7424 (gimplify_bind_expr): Remove temp parameter.
7425 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7426 and STATEMENT_LIST on the rhs.
7427 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7428 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7429 (gimplify_target_expr): Remove special BIND_EXPR handling.
7431 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7433 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7436 2006-08-21 Olivier Hainque <hainque@adacore.com>
7438 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7439 Arrange for the temporary captures of components overlapping the lhs
7440 to happen before the lhs is possibly cleared.
7442 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7444 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7445 necessary places to pass the correct "number of registers" values
7448 2006-08-20 Jan Hubicka <jh@suse.cz>
7450 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7451 (create_name_tags): Instead of quadratic checking use hashtable.
7452 * bitmap.h: Include hashtab.h.
7453 (bitmap_hash): Declare.
7454 * bitmap.c (bitmap_hash): New function.
7456 2006-08-20 Jan Hubicka <jh@suse.cz>
7458 PR rtl-optimization/28071
7459 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7461 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7462 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7463 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7464 cgraph_decide_inlining_incrementally): Update use of
7465 cgraph_check_inline_limits.
7466 * cgraph.c (edge_hash, edge_eq): New function.
7467 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7468 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7469 cgraph_remove_node): Maintain call site hash.
7470 * cgraph.h (struct cgraph_node): Add call_site_hash.
7471 (cgraph_set_call_stmt): New function.
7473 2006-08-20 Jan Hubicka <jh@suse.cz>
7475 PR rtl-optimization/28071
7476 * reload1.c (reg_has_output_reload): Turn into regset.
7477 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7478 choose_reload_regs, emit_reload_insns): Update to new
7479 reg_has_output_reload.
7481 2006-08-20 Jan Hubicka <jh@suse.cz>
7484 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7485 function body sizes.
7486 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7488 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7491 * tree.c (handle_dll_attribute): Return early if not a
7492 var or function decl.
7494 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7497 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7498 alignment of SPE vector types.
7500 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7502 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7504 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7507 * cgraph.h (struct cgraph_node): Remove externally_visible
7509 * cgraphunit.c (process_function_and_variable_attributes): Set
7510 local.externally_visible rather than externally_visible.
7513 * c-common.c (handle_externally_visible_attribute): First look
7514 at TREE_CODE and only if it is function or var decl, check for
7515 non-public objects. Don't warn for DECL_EXTERNAL.
7516 * cgraphunit.c (process_function_and_variable_attributes): Warn
7517 if externally_visible attribute is used on non-public object.
7519 2006-08-17 Jan Hubicka <jh@suse.cz>
7521 PR tree-optimization/27865
7522 * reload1.c (forget_marked_reloads): New function.
7523 (forget_old_reloads_1): When data are passed, just mark the registers
7525 (reload_as_needed): Use the new mechanizm.
7527 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7530 * reload.h (reg_equiv_alt_mem_list): New declaration.
7531 * reload1.c (reg_equiv_alt_mem_list): New definition.
7532 (reload): Initialize it and release it.
7533 (delete_output_reload): Use it.
7534 * reload.c (push_reg_equiv_alt_mem): New function.
7535 (find_reloads_toplev): Call it.
7536 (find_reloads_address, find_reloads_address_1): Likewise.
7537 (find_reloads_subreg_address): Likewise.
7539 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7541 PR rtl-optimization/28489
7542 * sched-ebb.c (begin_schedule_ready): Create basic block
7544 (advance_target_bb): Skip empty blocks.
7545 * haifa-sched.c (bb_note): Make global.
7546 * sched-int.h (bb_note): Add prototype.
7548 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7550 PR tree-optimization/27865
7551 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7553 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7554 fold_used_pointer, pointer_used_p): New functions.
7555 (analyze_scalar_evolution_1): Use fold_used_pointer.
7556 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7557 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7560 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7563 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7564 or the INTEGER_CST. Fail on a CALL_EXPR.
7565 (fold_offsetof): Pass new argument to fold_offsetof_1.
7566 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7567 operand into an INDIRECT_REF.
7568 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7570 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7572 PR gcov/profile/26570
7573 * value-prof.c (static_values): Removed.
7574 (tree_find_values_to_profile): Do not set static_values.
7575 (find_values_to_profile): Do not free static_values.
7576 * profile.c (instrument_values): Do not free the values.
7577 (branch_prob): Free the values.
7579 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7581 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7583 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7586 * c-typeck.c (build_component_ref): Combine qualifiers of
7587 structure or union and field.
7589 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7591 PR rtl-optimization/28071
7592 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7593 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7594 * tree-into-ssa.c (struct dom_dfsnum): New.
7595 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7597 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7598 compute_global_livein.
7599 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7600 in phi nodes in the correct blocks.
7602 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7604 PR tree-optimization/28364
7605 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7607 (fold_affine_expr): New function.
7608 (may_eliminate_iv): Use fold_affine_expr.
7610 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7613 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7616 2006-08-16 Mike Stump <mrs@apple.com>
7618 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7619 * doc/cppopts.texi (-MD): Likewise.
7621 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7624 * c-common.c (handle_weak_attribute): Ignore and warn if
7625 not a FUNCTION_ or VAR_DECL.
7627 2006-07-15 Mike Stump <mrs@apple.com>
7630 * c-parser.c (c_parser_typeof_specifier): Don't use
7631 c_finish_expr_stmt, open code desired semantics instead.
7633 2006-08-15 Nick Clifton <nickc@redhat.com>
7635 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7636 fragment to tmake_file only if threads are enabled.
7637 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7638 * config/i386/t-gthr-win32: New file. ... here.
7640 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7643 * c-parser.c (c_parser_compound_statement_nostart): Reset
7644 parser->error after each statement.
7646 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7649 * omp-low.c (lower_omp_parallel): Convert t to
7650 receiver_decl's type.
7651 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7652 source before comparison.
7655 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7656 to itype in assignment to oldival2.
7658 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7662 * c-typeck.c (build_compound_expr): If the second expression
7663 is an error mark, then just return an error mark instead of
7664 creating a COMPOUND_EXPR.
7666 2006-07-14 Mike Stump <mrs@apple.com>
7668 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7670 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7672 * c-decl.c, var-tracking.c: Fix comment typos.
7674 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7676 PR rtl-optimization/28634
7677 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7678 for floating-point modes unless flag_unsafe_math_optimizations.
7680 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7681 Andrew Pinski <pinskia@physics.uc.edu>
7684 * tree.c (build_array_type): Unify array types with
7685 unspecified index_type.
7686 * c-decl.c (grokdeclarator): Make sure we do not modify a
7687 unified incomplete array type.
7688 * c-typeck.c (store_init_value): Create distinct type before
7689 filling in the index type in an initializer from a compound
7692 * c-decl.c (grokdeclarator): Remove code where we copy the
7695 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7697 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7698 into account for TODO_dump_cgraph.
7699 (TODO_update_ssa_no_phi): Likewise.
7700 (TODO_update_ssa_full_phi): Likewise.
7701 (TODO_update_ssa_only_virtuals): Likewise.
7702 (TODO_remove_unused_locals): Likewise.
7703 (TODO_set_props): Likewise.
7704 (TODO_update_stmt_usage): Likewise.
7706 2006-08-13 Dirk Mueller <dmueller@suse.de>
7708 * c-common.c (strict_aliasing_warning): Fix formatting.
7710 2006-08-13 Matthias Klose <doko@debian.org>
7712 * doc/invoke.texi: Fix spelling errors.
7714 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7716 PR rtl-optimization/23454
7717 * reorg.c (relax_delay_slots): Update comment.
7719 2006-08-11 Richard Guenther <rguenther@suse.de>
7722 * simplify-rtx.c (simplify_const_relational_operation):
7723 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7726 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7728 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7729 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7731 2006-08-10 Paul Brook <paul@codesourcery.com>
7733 * final.c (final_scan_insn): Clear current_insn_predicate before
7734 outputting inline asm.
7736 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7738 PR tree-optimization/26197
7739 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7740 get_ref_base_and_extent and overlap_subvar to add only relevant
7741 subvars as may-aliases.
7742 (add_may_alias_for_new_tag): New function, factored out of
7744 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7745 with additional argument.
7746 * tree-flow.h (new_type_alias): Takes additional argument.
7748 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7750 * gcov.c (no_data_file): New flag.
7751 (read_count_file): Set it if data file not present. Assume counts
7753 (output_lines): Don't name the data file, if there wasn't one.
7755 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7757 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7758 (rs6000_generate_compare): Tweak comments.
7759 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7761 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7763 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7764 (var_debug_decl): New function.
7765 (var_reg_set): Follow debug decl link. Add location even if
7766 reg is already known to hold some other variable.
7767 (var_mem_set): Follow debug decl link.
7768 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7769 decl link. Delete other known locations of the variable part
7771 (var_reg_delete, var_mem_delete): Delete other known locations
7772 of the variable part if requested.
7773 (same_variable_part_p): New function.
7774 (add_stores): Select MO_COPY when appropriate.
7775 (vt_initialize): Handle it.
7776 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7777 known locations for MO_SET and MO_CLOBBER.
7778 (find_variable_location_part): New function.
7779 (set_variable_part, delete_variable_part): Use it.
7780 (clobber_variable_part): New function.
7781 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7784 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7786 PR tree-optimization/26969
7787 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7788 with an empty list of PHIs.
7790 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7794 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7797 2006-08-06 Andreas Schwab <schwab@suse.de>
7799 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7800 string. Whitespace and comment fixup.
7802 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7805 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7809 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7812 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7814 2006-08-04 Jan Hubicka <jh@suse.cz>
7818 * reload.c (push_reload): Patch out the mismatching instruction;
7820 (find_reload): Bail out if the instruction was patched out.
7822 2006-08-04 Jan Hubicka <jh@suse.cz>
7824 PR tree-optimization/24888
7825 * tree-inline.c (expand_call_inline): Do not re-record variables.
7826 (declare_inline_vars): Add variable to unexpanded_var_list.
7828 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7829 Roger Sayle <roger@eyesopen.com>
7831 PR rtl-optimization/26244
7832 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7833 inner_const are negative or greater than or equal to the bitsize of
7834 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7835 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7836 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7837 CONST0_RTX (mode) when the new shift count is greater than or equal to
7838 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7841 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7843 * tree-cfg.c: Fix a comment typo.
7845 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7848 * varasm.c (output_constant): Give the front end another chance to
7849 expand constants, after stripping NOPs.
7851 2006-08-03 Jan Hubicka <jh@suse.cz>
7853 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7856 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7858 PR tree-optimization/27770
7859 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7860 declaration removed (moved to tree-flow.h).
7861 (vect_can_force_dr_alignment_p): Likewise.
7862 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7863 (moved from tree-vectorizer.h).
7864 (vect_can_force_dr_alignment_p): Likewise.
7865 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7866 from outside the vectorizer - in particular from cgraph stage.
7867 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7868 the alignment of global arrays when -fsection-anchors is enabled.
7869 * cgraphunit.c (cgraph_increase_alignment): New function.
7870 (cgraph_optimize): Call cgraph_increase_alignment.
7872 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7875 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7876 not reload a SPE symbol_ref into a lo_sum address.
7878 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7881 * dwarf2out.c (prune_unused_types_prune): Move call to
7882 prune_unused_types_update_strings to cover the parent DIE also.
7884 2006-08-02 Jan Hubicka <jh@suse.cz>
7886 PR gcov/profile/28480
7887 * tree-cfg.c (change_bb_for_stmt): New function.
7888 (tree_merge_blocks, tree_split_blocks): Use it.
7890 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7896 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7897 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7898 (cgraph_optimize): Likewise.
7900 2006-08-01 Stuart Hastings <stuart@apple.com>
7902 * rtl.h (UINTVAL) New.
7903 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7904 * testsuite/gcc.dg/20060801-1.c: New.
7906 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7909 * c-typeck.c (build_external_type): Mark used enum types.
7910 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7912 (gen_subprogram_die): Whitespace fix.
7914 2006-08-01 Jan Hubicka <jh@suse.cz>
7916 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7917 bitmap when not needed.
7918 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7921 2006-08-01 Dirk Mueller <dmueller@suse.de>
7923 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7925 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7927 * Makefile.in: Revert part of previous patch:
7928 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7931 2006-07-30 Eric Christopher <echristo@apple.com>
7934 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7935 (PowerPC Variable Attributes): New section.
7937 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7939 PR target/28126 (partial fix)
7940 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7942 2006-07-28 Jan Hubicka <jh@suse.cz>
7944 PR rtl-optimization/28071
7945 * cfgrtl.c (rtl_delete_block): Free regsets.
7946 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7948 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7950 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7951 and variables used in dependencies.
7953 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7955 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7956 %fs for -mcmodel=kernel.
7957 (stack_tls_protect_test_di): Likewise.
7959 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7961 * Makefile.in: Use mkinstalldirs.
7963 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7966 * opts-common.c (prune_options): Skip joined switches.
7968 2006-07-27 Jan Hubicka <jh@suse.cz>
7970 PR rtl-optimization/28071
7971 * cselib.c (cselib_process_insn): Don't remove useless values too
7972 often for very large hashtables.
7974 2006-07-27 Jan Hubicka <jh@suse.cz>
7976 PR rtl-optimization/28071
7977 * global.c (greg_obstack): New obstack.
7978 (allocate_bb_info): Use it.
7979 (free_bb_info): Likewise.
7980 (modify_reg_pav): Likewise.
7982 2006-07-27 Roger Sayle <roger@eyesopen.com>
7984 * builtins.c (fold_fixed_mathfn): When long and long long are the
7985 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7986 functions to their lceil*, lfloor*, lround* and lrint* forms.
7988 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7991 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7993 (rev_branch_insn): Likewise.
7995 2006-07-27 Jan Hubicka <jh@suse.cz>
7997 PR rtl-optimization/28071
7998 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7999 (reg_set_in_bb, max_reg_computed): New static variables.
8000 (regmove_optimize): Free the new array.
8001 (fixup_match_1): Update call of reg_is_remote_constant_p.
8003 2006-07-26 Jan Hubicka <jh@suse.cz>
8005 PR tree-optimization/27882
8006 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8008 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8010 (cgraph_analyze_compilation_unit): Likewise.
8011 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8012 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8013 (cgraph_early_inlinine): Make order garbage collected.
8014 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8016 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8018 * dbxout.c (output_types_sort): Add a comment.
8019 (output_used_types): Free the VEC.
8021 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8023 * function.c (reorder_fix_fragments): Delete.
8024 (reorder_blocks): Don't call it.
8025 (reorder_blocks_1): Put all subblocks under the origin block.
8027 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8029 PR rtl-optimization/27907
8030 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8033 2006-07-25 Roger Sayle <roger@eyesopen.com>
8036 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8037 bar(x) check that bar's result type can represent all the values of T.
8039 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8041 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8043 2006-07-25 Nick Clifton <nickc@redhat.com>
8045 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8046 size_lookup[] array.
8047 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8048 (ggc_pch_count_object): Likewise.
8049 (ggc_pch_alloc_object): Likewise.
8050 (ggc_pch_write_object): Likewise.
8051 (init_ggc): Do not attempt to initialize entries in the
8052 size_lookup[] array for objects whose size is greater than than
8053 the length of the array.
8055 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8057 * dbxout.c (output_used_types_helper): Push queued types
8059 (output_types_sort): New.
8060 (output_used_types): Collect used types on a VEC and sort them
8063 2006-07-24 Richard Guenther <rguenther@suse.de>
8066 * cgraph.c (cgraph_remove_node): Do not check if dumps
8068 * cgraphunit.c (cgraph_optimize): Likewise.
8070 2006-07-24 Jan Hubicka <jh@suse.cz>
8072 PR rtl-optimization/28071
8073 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8074 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8075 splitting before first stmt.
8077 2006-07-24 Jan Hubicka <jh@suse.cz>
8079 PR rtl-optimization/28071
8080 * ipa-inline.c (update_caller_keys): Remove edges that
8081 are no longer inline candidates.
8083 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8086 * dbxout.c (output_used_types_helper, output_used_types): New.
8087 (dbxout_symbol): Call output_used_types.
8089 2006-07-23 Jan Hubicka <jh@suse.cz>
8093 * cgraph.c (cgraph_varpool_nodes): Export.
8094 (decide_is_variable_needed): Ignored "used" attribute in
8095 unit-at-a-time mode.
8096 * cgraph.h (cgraph_varpool_nodes): Declare.
8097 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8098 unit-at-a-time mode.
8100 2006-07-23 Roger Sayle <roger@eyesopen.com>
8103 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8104 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8105 the __gthrw form of thr_keycreate.
8106 (__gthread_key_delete): Silence the unused argument warning.
8108 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8111 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8112 Cache the last found '\0' marker to avoid quadratic behavior.
8114 2006-07-23 Jan Hubicka <jh@suse.cz>
8116 * i386.md (subsi_3_zext): Fix output template.
8118 2006-07-21 Mike Stump <mrs@apple.com>
8120 * doc/invoke.texi (C++ Dialect Options): Note that
8121 -fvisibility-inlines-hidden doesn't affect explicitly
8122 instantiationed inline methods.
8124 2006-07-20 Roger Sayle <roger@eyesopen.com>
8126 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8127 if the target assembler is GNU binutils' gas.
8128 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8129 whether to pass GNU gas or native as command line options.
8131 2006-07-20 Jason Merrill <jason@redhat.com>
8133 * tree.c (remove_attribute): New fn.
8134 * tree.h: Declare it.
8136 2006-07-20 Paul Brook <paul@codesourcery.com>
8139 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8140 they are invalidated by this instruction.
8142 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8145 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8147 2006-07-20 Eric Christopher <echristo@apple.com>
8150 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8152 2006-07-19 Eric Christopher <echristo@apple.com>
8154 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8155 Rewrite dependencies for libgcc_s.1.dylib.
8157 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8159 * except.c (duplicate_eh_regions_1): Clear next_peer.
8161 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8163 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8164 -mlongcall does not guarantee all calls will be long.
8165 * doc/extend.texi (long_call/short_call): Document that longcall
8166 does not guarantee a long call will be used.
8167 (longcall/shortcall): Likewise.
8169 2006-07-18 Roger Sayle <roger@eyesopen.com>
8172 * expmed.c (expand_shift): Additionally check that the shift_cost
8173 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8174 before implementing a LSHIFT_EXPR as a sequence of additions.
8175 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8176 middle-end that DImode shifts need to be synthesized by expand.
8178 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8181 * tree-ssa-operands.c (access_can_touch_variable): Update
8183 Return true if ALIAS is .GLOBAL_VAR.
8185 2006-07-18 David Daney <ddaney@avtrex.com>
8187 * gcc.c (display_help): Fix typo in help text.
8189 2006-07-18 Olivier Hainque <hainque@adacore.com>
8191 * tree.h (categorize_ctor_elements): Adjust prototype and add
8192 descriptive comment, both in accordance with the interface change
8194 * varasm.c (constructor_static_from_elts_p): New function.
8195 Whether a constructor node is a valid static constant initializer
8196 if all its elements are.
8197 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8198 * output.h: Declare it.
8199 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8200 is a valid constant initializer instead of computing the number of
8201 non-constant elements. Use constructor_static_from_elts_p for this
8202 purpose. Replace the head comment with an indication that this is a
8203 helper for categorize_ctor_elements.
8204 (categorize_ctor_elements): Same interface change as for the _1
8205 helper. Former head comment from this helper moved here, adjusted to
8206 account for the interface changes.
8207 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8208 (all_zeros_p): Likewise.
8209 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8210 static versions of the constructor from the categorize_ctor_elements
8211 return value instead of the formerly computed number of non-constant
8214 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8216 * configure: Regenerate.
8217 * Makefile.in (build_libsubdir): New configure substitution
8218 (build_libobjdir): New variable.
8219 (BUILD_LIBIBERTY): Use it.
8221 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8224 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8226 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8229 * c-common.c (handle_weakref_attribute): Ignore attribute in
8230 the same conditions the alias attribute is ignored.
8232 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8234 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8235 (dbxout_begin_prologue): Increment scope_labelno.
8237 2006-07-17 Richard Henderson <rth@redhat.com>
8240 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8243 2006-07-17 Roger Sayle <roger@eyesopen.com>
8244 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8246 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8247 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8248 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8249 functions such as sbrk, write, etc.. Add function prototypes.
8250 Convert function declarations from K&R to ISO C. Cast pointers
8251 to "long" and "unsigned long" instead of "int" and "unsigned int".
8252 Convert tokens following #endif into comments.
8254 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8256 * invoke.texi: Remove mention of f77; Reformat table for
8257 inline parameter options correctly; mention that -malign-double
8258 is default on x86-64 targets.
8260 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8262 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8263 (convert_affine_scev, chrec_convert_aggressive): Use
8264 avoid_arithmetics_in_type_p. Do not check for the subtypes
8267 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8270 * optabs.c (expand_doubleword_shift): Wrap the call to
8271 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8273 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8276 * optabs.c (expand_binop): Pass next_methods rather than methods
8277 to expand_doubleword_shift.
8279 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8282 * tree.h (dump_addr): Declare.
8283 * print-tree.c (dump_addr): New function.
8284 (print_node_brief, print_node): Use it.
8285 * print-rtl.c (print_rtx): Likewise.
8286 * common.opt (-fdump-noaddr): New option.
8287 * doc/invoke.texi (-fdump-noaddr): Document.
8288 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8289 (ve_info_hash): Likewise.
8291 2006-07-13 Andrew Haley <aph@redhat.com>
8293 PR tree-optimization/19505
8294 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8295 edge leaving this block, make sure that the destination of this
8296 block has only one predecessor.
8298 2006-07-17 Richard Guenther <rguenther@suse.de>
8300 PR tree-optimization/28238
8301 * tree-inline.c (copy_bb): Check if we produced valid
8302 gimple copying and substituting a stmt. If not, gimplify
8305 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8307 * optabs.c (maybe_encapsulate_block): New function extracted from...
8308 (emit_libcall_block): ...here. Invoke it on the block of insns to
8309 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8310 (emit_no_conflict_block): Likewise.
8312 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8314 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8316 2006-07-15 Roger Sayle <roger@eyesopen.com>
8318 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8319 a new NOP_EXPR case of the switch statement.
8321 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8324 * stor-layout.c (place_field): Take the bit field with
8325 an excessive size into account in the ms-bitfiled case.
8328 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8329 the previous bit field.
8331 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8334 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8336 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8338 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8339 signal frames correctly even when the signal was installed with
8342 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8344 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8345 (dbxout_function_end): Use local label LFBB. Remove hook
8347 (dbxout_source_line): Use local label LFBB.
8348 (dbxout_block): Likewise.
8349 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8350 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8351 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8352 and DBX_OUTPUT_NFUN.
8354 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8356 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8358 2006-07-13 Jan Hubicka <jh@suse.cz>
8360 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8362 * output.h (align_variable): Declare.
8363 * varasm.c (align_variable): Export.
8364 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8365 when basic block changed.
8367 2006-07-13 Nick Clifton <nickc@redhat.com>
8369 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8370 walking the LOG_LINKS chain.
8372 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8374 * doc/invoke.texi (C++ Dialect Options): Explain difference
8375 between -fvisibility-inlines-hidden and setting hidden
8376 visibility explicitly.
8378 2006-07-12 Eric Christopher <echristo@apple.com>
8380 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8381 (stmp-lipo): Depend on libgcc.a.
8383 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8385 * tree.c: Fix a comment typo.
8387 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8389 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8391 (umulhisi3_r): Likewise.
8393 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8396 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8397 x < 19, vs wchar_t support.
8399 2006-07-12 Nick Clifton <nickc@redhat.com>
8401 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8402 instead of -isa=sh4.
8404 2006-07-12 Mike Stump <mrs@apple.com>
8406 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8408 2006-07-10 Eric Christopher <echristo@apple.com>
8410 * config/t-slibgcc-darwin: Rewrite.
8412 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8415 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8418 2006-07-08 Matthias Klose <doko@debian.org>
8420 * doc/sourcebuild.texi: Fix typo.
8422 2006-07-07 Mike Stump <mrs@apple.com>
8424 * toplev.c (process_options): Don't give -ffunction-sections may
8425 affect debugging warning for Mach-O.
8427 2006-07-07 James E Wilson <wilson@specifix.com>
8429 * config/mips/mips.md (cpu): Add sb1a.
8430 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8431 addition to sb1. Adjust comments to clarify SB-1A differences from
8433 (ir_sb1a_load): New. Modify bypasses to use it.
8434 (ir_sb1a_simple_alu): Likewise.
8435 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8436 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8437 (mips_issue_rate): Add PROCESSOR_SB1A.
8438 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8439 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8440 (TARGET_SB1): Add PROCESSOR_SB1A check.
8441 (TUNE_SB1): Likewise.
8443 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8444 * config/mips/mips.c (mips_store_data_bypass_p): New.
8445 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8446 store_data_bypass_p.
8448 2006-07-08 Paul Brook <paul@codesourcery.com>
8451 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8453 2006-07-07 Richard Guenther <rguenther@suse.de>
8456 * tree.h (build_one_cst): Declare.
8457 * tree.c (build_one_cst): New function.
8458 * tree-ssa-math-opts.c (get_constant_one): Remove.
8459 (insert_reciprocals): Use build_one_cst.
8460 * fold-const.c (fold_plusminus_mult): Likewise.
8462 2006-07-07 Roger Sayle <roger@eyesopen.com>
8464 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8465 * cfgloopanal.c (dump_graph): Likewise.
8466 * dojump.c (discard_pending_stack_adjust): Likewise.
8467 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8469 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8470 * function.c (finalize_block_changes): Likewise.
8471 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8472 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8473 * rtl.c (dump_rtx_statistics): Likewise.
8474 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8476 * varray.c (dump_varray_statistics): Likewise.
8477 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8478 decode_decimal64, encode_decimal128, decode_decimal128,
8479 decimal_real_to_decimal): Likewise.
8481 2006-07-07 Richard Guenther <rguenther@suse.de>
8483 PR tree-optimization/28187
8484 * tree-vrp.c (vrp_operand_equal_p): New function.
8485 (vrp_bitmap_equal_p): Likewise.
8486 (update_value_range): Use them to compare old and new
8489 2006-07-06 Roger Sayle <roger@eyesopen.com>
8491 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8492 a default case to switch statement to silence compiler warnings.
8494 2006-07-06 Roger Sayle <roger@eyesopen.com>
8497 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8498 the configured assembler supports the x87's ffreep mnemonic.
8499 * configure: Regenerate.
8500 * config.in: Regenerate.
8502 * config/i386/i386.c (output_387_ffreep): New function.
8503 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8504 (output_387_reg_move): Likewise.
8506 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8508 Port to hosts whose 'sort' and 'tail' implementations
8509 treat operands with leading '+' as file names, as POSIX
8510 has required since 2001. However, make sure the code still
8511 works on pre-POSIX hosts.
8512 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8513 which says you should use "tail -c +N" rather than "tail +Nc".
8514 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8516 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8518 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8521 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8524 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8525 PRE_{INC,DEC} of TFmode.
8527 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8528 Alan Modra <amodra@bigpond.net.au>
8531 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8534 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8537 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8538 Remove duplicate gtu.
8540 2006-07-05 Jason Merrill <jason@redhat.com>
8544 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8545 * c-common.c (handle_packed_attribute): So don't copy it here.
8546 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8548 2006-07-05 Mike Stump <mrs@apple.com>
8550 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8552 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8555 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8557 2006-07-05 Richard Guenther <rguenther@suse.de>
8560 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8561 TARGET_SSE2 targets if using SSE math.
8562 (*absdf2_1): Likewise.
8564 2006-07-05 Richard Guenther <rguenther@suse.de>
8566 PR tree-optimization/28162
8567 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8568 make sure to convert the operands to the correct type.
8570 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8572 PR tree-optimization/28218
8574 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8575 to calculate and free the dominator information.
8577 2006-07-04 Peter O'Gorman <peter@pogma.com>
8579 * mklibgcc.in: chmod 644 before ranlib during install.
8581 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8582 J"orn Rennecke <joern.rennecke@st.com>
8584 * configure.ac (.eh_frame data check): Use diff -b.
8586 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8589 * Makefile.in (BUILD_RTL): Add build/vec.o.
8590 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8591 (build/genextract): Delete.
8592 (build/genautomata): Likewise.
8594 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8597 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8598 128-bit IBM long doubles for ABI_V4.
8600 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8602 * tree.c (range_in_array_bounds_p): New predicate.
8603 * tree.h (range_in_array_bounds_p): Declare it.
8604 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8605 return a less conservative answer.
8606 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8607 and flag 'is_group'.
8608 (IS_ELEMENT_FOR_GROUP): New macro.
8609 (FOR_EACH_ACTUAL_CHILD): Likewise.
8610 (next_child_for_group): New helper function.
8611 (can_completely_scalarize_p): Take into account groups.
8612 (sra_hash_tree): Handle RANGE_EXPR.
8613 (sra_elt_eq): Likewise.
8614 (lookup_element): Be prepared for handling groups.
8615 (is_valid_const_index): Delete.
8616 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8617 instead of is_valid_const_index.
8618 <ARRAY_RANGE_REF>: New case.
8619 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8620 is_valid_const_index.
8621 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8622 (scan_dump): Dump info for groups too.
8623 (decide_instantiation_1): Likewise.
8624 (decide_block_copy): Assert that the element is not a group.
8625 Propagate decision to groups.
8626 (generate_one_element_ref): Handle RANGE_EXPR.
8627 (mark_no_warning): Iterate over actual childs.
8628 (generate_copy_inout): Likewise.
8629 (generate_element_copy): Likewise.
8630 (generate_element_zero): Likewise.
8631 (generate_element_init_1): Likewise.
8632 (dump_sra_elt_name): Handle RANGE_EXPR.
8634 2006-07-03 Roger Sayle <roger@eyesopen.com>
8636 PR tree-optimization/26251
8637 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8638 (thread_block): When optimizing for size refuse to thread jumps
8639 that would require duplication of blocks other than redirection
8642 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8644 * configure.ac: Fix thinko in previous check-in.
8645 * configure: Regenerate.
8647 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8650 * configure.ac (for lang...): Simplify nesting of conditionals.
8651 Test subdir_requires for non-enabled languages. Move processing
8652 of lang_opt_files and lang_tree_fiels below that test.
8653 * configure: Regenerate.
8654 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8656 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8658 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8660 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8662 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8665 2006-06-29 Jason Merrill <jason@redhat.com>
8672 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8673 * c-common.c (c_determine_visibility): Handle it here.
8674 * c-decl.c (finish_decl): Call c_determine_visibility for
8676 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8678 * varasm.c (default_assemble_visibility): Likewise.
8679 * c-common.c (handle_visibility_attribute): Complain about trying
8680 to give visibility to an already defined class, or trying to change
8681 declared visibility. Always attach the attribute.
8686 * attribs.c (decl_attributes): Ignore type-in-place attributes
8687 once the type has been defined.
8689 2006-06-29 Roger Sayle <roger@eyesopen.com>
8692 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8693 to indicate the cpplib has issued an error message for us.
8695 2006-06-29 Asher Langton <langton2@llnl.gov>
8698 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8699 insert a label at the end of an function under Mach-O.
8701 2006-06-29 Eric Christopher <echristo@apple.com>
8702 Evan Cheng <evan.cheng@apple.com>
8704 * predicates.md (vector_all_ones_operand): New.
8705 (nonimmediate_or_sse_const_operand): Ditto.
8706 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8707 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8708 (standard_sse_mode_p): Ditto.
8709 (standard_sse_constant_p): Add case for -1 vector.
8710 (ix86_expand_vector_move): Try to use.
8711 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8712 Call standard_sse_constant_opcode.
8713 (*movv4sf_internal): Ditto.
8714 (*movv2df_internal): Ditto.
8716 2006-06-29 Roger Sayle <roger@eyesopen.com>
8718 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8719 of XEXP to extract the operands of a MATCH_CODE rtx.
8721 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8723 * tree.c (tree_size): Do not waste tail padding in
8724 struct tree_string and make the size be the same as
8725 build_string will generate.
8727 2006-06-28 Jason Merrill <jason@redhat.com>
8730 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8731 may_aliases already in the tag's annotations to the bitmap.
8733 2006-06-28 Roger Sayle <roger@eyesopen.com>
8735 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8737 2006-06-28 Roger Sayle <roger@eyesopen.com>
8739 * genpreds.c (generate_switch_p): New function.
8740 (add_mode_tests): Push the new mode test down inside an AND expr
8741 if this allows the switch-suitable MATCH_CODE to be near the root.
8742 (write_match_code_switch): New function to write a MATCH_CODE as
8744 (write_predicate_stmts): New function to write a predicate RTX
8745 expression as a sequence of statements.
8746 (write_one_predicate_function): Use write_predicate_stmts.
8747 (write_tm_constrs_h): Likewise.
8749 2006-06-26 Fred Fish <fnf@specifix.com>
8751 * config/mips/t-sb1: New file.
8752 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8755 2006-06-26 DJ Delorie <dj@redhat.com>
8757 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8759 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8760 Jayant Sonar <jayants@kpitcummins.com>
8761 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8763 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8764 (subsi3, subsi3_1, subsi3_2): New.
8765 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8766 * config/m32c/mov.md (SI mov peephole): New.
8767 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8768 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8770 2006-06-26 Olivier Hainque <hainque@adacore.com>
8772 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8773 a CALL_EXPR target function declaration.
8775 2006-06-26 Richard Guenther <rguenther@suse.de>
8777 * tree.c (build_string): Do not waste tail padding in
8780 2006-06-26 Richard Guenther <rguenther@suse.de>
8782 * ggc-page.c (init_ggc): Add missing element to size_lookup
8786 2006-06-23 Richard Guenther <rguenther@suse.de>
8788 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8789 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8790 alignment requests instead. Add verification code.
8791 Add struct tree_function_decl and struct tree_binfo size to
8792 extra_order_size_table. Add missing element to size_lookup
8795 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8798 * fold-const.c (const_binop): Be prepared for self returning zero.
8799 Simplify code handling complex values.
8801 2006-06-24 Olivier Hainque <hainque@adacore.com>
8803 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8804 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8807 2006-06-24 Olivier Hainque <hainque@adacore.com>
8809 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8810 ARRAY_REF, so have the callback called for the low bound expression.
8812 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8814 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8815 * c-typeck.c (c_common_type): Disallow operations on decimal float
8816 types and other float types.
8817 * convert.c (convert_to_real): Don't ignore conversions involving
8818 decimal float types.
8820 2006-06-23 Olivier Hainque <hainque@adacore.com>
8822 * tree.c (max_int_size_in_bytes): New function, inspired from
8823 code in function.c:assign_temp.
8824 * tree.h (max_int_size_in_bytes): Declare.
8825 * function.c (assign_temp): Use it.
8826 * gimplify.c (create_tmp_var): Relax the assertions on the type
8827 properties, not mandating constant size any more.
8828 (force_constant_size): New static function.
8829 (gimple_add_tmp_var): Use it, forcing variable size to a
8830 constant upper bound if it is not constant on entry.
8832 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8835 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8836 for initialization and setting of one_only flag to ...
8837 (i386_pe_encode_section_info): ...here.
8838 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8839 Recheck that the symbol has not been defined.
8841 2006-06-23 Richard Guenther <rguenther@suse.de>
8843 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8844 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8845 alignment requests instead. Add verification code.
8846 Add struct tree_function_decl and struct tree_binfo size to
8847 extra_order_size_table. Add missing element to size_lookup
8850 2006-06-22 Roger Sayle <roger@eyesopen.com>
8851 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8854 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8855 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8857 2006-06-23 Ben Elliston <bje@au.ibm.com>
8859 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8860 negate dn -- manipulate it directly.
8862 2006-06-22 Roger Sayle <roger@eyesopen.com>
8863 Steven Bosscher <stevenb.gcc@gmail.com>
8866 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8867 generated by gen_move_insn to add REG_LABEL notes if necessary.
8869 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8871 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8872 (leaf_entry): Remove use of MIN_ESA.
8874 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8876 PR rtl-optimization/28121
8877 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8880 2006-06-21 DJ Delorie <dj@redhat.com>
8882 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8884 (mulhisi3_r): Likewise.
8886 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8889 * coverage.c (coverage_counter_alloc): Leave the index type
8891 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8894 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8896 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8897 section from the "Options for Code Generation Conventions".
8899 2006-06-21 Richard Henderson <rth@redhat.com>
8903 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8905 (global_symbolic_operand): Allow weak symbols, even if local_p.
8907 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8909 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8910 (find_interesting_uses_address): Punt if above function returns true.
8912 2006-06-21 Richard Guenther <rguenther@suse.de>
8914 * configure: Regenerated.
8916 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8918 * config/mips/mips.c (function_arg): Where one part of a
8919 complex argument is in registers and the other part in the stack,
8920 return a REG not a PARALLEL.
8922 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8924 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8925 when cross-compiling. Do not substitute libstdcxx_incdir.
8926 * configure: Regenerated.
8928 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8930 * varasm.c (mergeable_string_section): Check for embedded NULs and
8931 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8932 rather than TREE_STRING_LENGTH bytes.
8934 2006-06-21 Richard Guenther <rguenther@suse.de>
8936 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8937 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8940 2006-06-21 Richrad Guenther <rguenther@suse.de>
8942 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8943 Limit iteration over the dominators.
8945 2006-06-20 Roger Sayle <roger@eyesopen.com>
8947 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8948 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8950 2006-06-20 Richard Guenther <rguenther@suse.de>
8951 Michael Matz <matz@suse.de>
8953 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8955 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8956 * et-forest.h (et_free_pools): Prototype new function.
8957 * et-forest.c (et_free_tree_force): Free parent occurrence.
8958 (et_free_pools): New function.
8959 * dominance.c (free_dominance_info): Free et-forest alloc
8962 2006-06-20 Roger Sayle <roger@eyesopen.com>
8964 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8965 integer modes, attempt to directly construct an integer constant.
8967 * fold-const.c (native_encode_vector): Determine the size of each
8968 element from the vector type instead of the first vector element.
8970 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8971 if all of its elements/components are constant.
8972 (build_constructor_from_list): Likewise.
8974 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8976 PR tree-optimization/27331
8977 * tree-data-ref.c (free_data_ref): New function.
8978 (create_data_ref): Fail if the data reference has unknown access
8980 (free_data_refs): Use free_data_ref.
8982 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8985 * tree-inline.c (setup_one_parameter): Strip useless
8986 type conversion before adding it to the IR.
8987 (declare_return_variable): Likewise.
8989 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8992 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8994 2006-06-19 Mike Stump <mrs@apple.com>
8996 * tree.c (variably_modified_type_p): VM arguments don't make the
8999 2006-06-19 Richard Guenther <rguenther@suse.de>
9001 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9002 type conversions after folding.
9004 2006-06-19 Richard Guenther <rguenther@suse.de>
9006 * ggc-page.c (extra_order_size_tab): Add entries with
9007 size of struct function and basic_block.
9008 (size_lookup): Extend to cover sizes up to 511.
9009 (ggc_alloc_stat): Adjust user.
9010 (ggc_pch_count_object): Likewise.
9011 (ggc_pch_alloc_object): Likewise.
9012 (ggc_pch_write_object): Likewise.
9014 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9016 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9017 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9020 2006-06-19 Denis Chertykov <denisc@overta.ru>
9022 * config/avr/libgcc.S : Correct my wrong previous commit.
9024 2006-06-19 Roger Sayle <roger@eyesopen.com>
9027 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9028 have stripped a SUBREG from the shift count, so we may need to
9029 convert_to_mode back to the type's mode before calling make_tree.
9030 Use new_amount instead of amount to avoid expanding a tree twice.
9032 2006-06-19 Richard Guenther <rguenther@suse.de>
9035 * fold-const.c (operand_equal_p): Check if the argument types
9036 have the same precision before stripping NOPs.
9038 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9040 Fix PR tree-optimization/27341
9041 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9043 * tree-complex.c (pass_lower_complex): Update SMT usage.
9045 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9047 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9048 Add a new alternative to the constraint strings. Add move of
9049 operand 1 to 3 to the splitter definition.
9050 ("doloop_si_long"): Second contraint alternative removed.
9052 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9054 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9055 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9057 (AVR_HAVE_MOVW) Define.
9058 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9059 (ASM_SPEC): Add avr25.
9060 (LINK_SPEC): Add avr25.
9061 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9062 (base_arch_s): Add new member 'have_movw_lpmx'.
9063 (avr_arch_types): Init 'have_movw_lpmx'.
9064 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9065 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9066 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9067 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9068 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9070 (avr_file_start): Do not output '.arh' derective.
9071 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9072 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9073 * config/avr/avr.md (mcu_enhanced): Delete.
9074 (mcu_have_movw): Define.
9075 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9076 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9077 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9078 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9079 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9080 attiny861 and at86rf401 devices.
9082 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9084 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9087 2006-06-17 Karl Berry <karl@gnu.org>
9089 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9090 doc/gccint.texi, doc/install.texi (@dircategory): Use
9091 "Software development" instead of "Programming", following
9092 the Free Software Directory.
9094 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9096 * config/i386/i386.c (legitimate_tls_address)
9097 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9098 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9099 (*tls_dynamic_gnu2_combine_64): Likewise.
9101 2006-06-16 Richard Guenther <rguenther@suse.de>
9104 * fold-const.c (negate_expr_p): Do not introduce undefined
9105 overflow in negating INTEGER_CSTs.
9106 (fold_negate_expr): Rename from negate_expr. Revert last
9107 change for folding BIT_NOT_EXPR. Change semantics to
9108 return NULL_TREE for non-simplified negations. Do not
9109 strip type conversions and unify type handling.
9110 (negate_expr): New function, wrap around fold_negate_expr
9111 but ensure building a tree always. Strip type conversions
9112 here, fold to result type.
9113 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9115 2006-06-16 Roger Sayle <roger@eyesopen.com>
9118 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9119 that (would) return their results in stack registers.
9121 2006-06-16 Michael Matz <matz@suse.de>
9122 Richard Guenther <rguenther@suse.de>
9124 * fold-const.c (fold_truthop): Only return new tree node if
9125 we canonicalized something.
9127 2006-06-16 Richard Guenther <rguenther@suse.de>
9129 * function.h (enum function_frequency): Move declaration
9130 out of struct function.
9131 (struct function): Move bool fields and the enum to the bitfield
9132 section. Reorder elements to avoid padding. Remove unused
9133 fields left over from the RTL inliner removal.
9134 * function.c (free_after_compilation): Do not zero removed fields.
9135 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9136 (ipa-type-escape.o): Likewise.
9138 2006-06-16 Richard Guenther <rguenther@suse.de>
9140 * cgraph.h (struct cgraph_local_info): Turn bool elements
9142 (struct cgraph_node): Likewise.
9143 (struct cgraph_varpool_node): Likewise.
9145 2006-06-15 Richard Guenther <rguenther@suse.de>
9147 * fold-const.c (fold_truth_not_expr): Rename from
9148 invert_truthvalue. Give it fold_* semantics to avoid
9150 (invert_truthvalue): New function. Wrapper around
9151 fold_truth_not_expr.
9152 (optimize_minmax_comparison): Avoid creating garbage.
9153 (fold_unary): Use fold_truth_not_expr for folding
9155 (fold_ternary): Replace uses of invert_truthvalue with
9156 fold_truth_not_expr where applicable.
9157 * tree.h (fold_truth_not_expr): Prototype.
9159 2006-06-16 Richard Guenther <rguenther@suse.de>
9161 PR tree-optimization/27781
9162 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9163 * ipa-pure-const.c (target.h): Include.
9164 (analyze_function): Do not analyze functions that do not
9167 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9170 * tree-dfa.c (referenced_vars_dup_list): Remove.
9171 (find_referenced_vars): Remove assert.
9172 (referenced_var_check_and_insert): Replace dup list with assert.
9173 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9174 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9176 2006-06-15 Richard Guenther <rguenther@suse.de>
9178 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9179 extra unused identifiers if not dumping.
9180 (create_variable_info_for): Likewise.
9182 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9184 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9185 (derive_constant_upper_bound): Derive more precise upper bound in
9186 common cases. Return type changed to double_int.
9187 (record_estimate): Reflect the changed return type of
9188 derive_constant_upper_bound.
9189 * double-int.c (double_int_zext, double_int_sext): Fix.
9191 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9193 * configure.ac (CFLAGS): Get them from the toplevel or from the
9194 configure invocation.
9195 * configure: Regenerate.
9196 * Makefile.in (CFLAGS): Substitute value provided by configure.
9198 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9201 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9202 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9203 rather than calling add_stmt on it.
9204 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9206 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9209 * reload1.c (reload): Remove registers returned by update_eliminables
9210 from used_spill_regs.
9212 2006-06-13 DJ Delorie <dj@redhat.com>
9214 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9216 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9218 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9219 html__strip_dir, html__mkdir_p. Enhance install-html target.
9220 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9221 * configure: Regenerate.
9223 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9225 * fold-const.c (fold_cond_expr_with_comparison): Check for
9226 Objective-C++ as language in deciding COND_EXPR transformation.
9228 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9231 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9232 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9233 * config/sh/lib1funcs.h (SL, SL1): Define.
9234 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9235 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9236 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9237 (OBJS_Os_4_200): New variable.
9238 ($(T)libgcc-Os-4-200.a): Use it.
9239 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9240 when dividing 1 and/or by 0.
9242 2006-06-13 Roger Sayle <roger@eyesopen.com>
9244 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9245 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9246 * configure: Regenerate.
9248 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9250 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9251 for real instruction.
9253 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9256 * haifa-sched.c (check_cfg): Handle special case.
9258 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9261 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9262 Add debug_info parameter. Chain the vars to the BLOCK instead
9263 of the BIND_EXPR if debug info are requested for them.
9264 (pop_gimplify_context): Adjust for above change.
9265 (gimple_add_tmp_var): Likewise.
9266 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9268 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9269 (convert_local_reference): Likewise.
9270 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9271 (finalize_nesting_tree_1): Request that debug info be emitted
9272 for debug_var_chain.
9274 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9276 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9277 for PR target/27863.
9279 2006-06-13 Richard Guenther <rguenther@suse.de>
9282 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9284 2006-06-13 Richard Guenther <rguenther@suse.de>
9286 PR tree-optimization/27830
9287 * tree-inline.c (copy_body_r): For copying the operand
9288 of an ADDR_EXPR make sure to fold &* afterwards.
9290 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9292 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9293 lvalues in the fb_none case with side-effects.
9295 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9297 * tree-flow.h: Remove the prototype for
9298 compute_phi_arg_on_exit.
9299 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9300 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9303 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9305 * builtins.c (expand_builtin_return_addr): Only use
9306 frame_pointer_rtx when count == 0 and we are expanding
9307 __builtin_return_address.
9309 2006-06-12 Fred Fish <fnf@specifix.com>
9311 * config/mips/mips.c (mips_file_start): Create special section
9312 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9314 2006-06-11 Eric Christopher <echristo@apple.com>
9317 * stor-layout.c (place_field): Remove check for
9318 remaining_in_alignment when aligning at the end of a run.
9320 2006-06-11 Eric Christopher <echristo@apple.com>
9323 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9326 2006-06-11 Roger Sayle <roger@eyesopen.com>
9329 Revert incorrect fix for PR target/27158
9330 2006-05-08 Roger Sayle <roger@eyesopen.com>
9331 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9332 of a reg_equiv_constant if the result is a legitimate constant.
9334 2006-06-11 Roger Sayle <roger@eyesopen.com>
9337 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9338 extract a CONST_VECTOR element and interpret it as an integer.
9339 (vspltis_constant): Use const_vector_elt_as_int instead of the
9340 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9341 * config/rs6000/predicates.md (easy_vector_const): Consider
9342 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9344 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9347 * stor-layout.c (update_alignment_for_field): Don't add extra
9348 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9351 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9353 * config/mips/t-rtems: Add EL/EB multilib variants.
9355 2006-06-09 Mike Stump <mrs@apple.com>
9357 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9359 2006-06-09 David Daney <ddaney@avtrex.com>
9361 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9363 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9365 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9367 2006-06-09 Richard Guenther <rguenther@suse.de>
9369 PR tree-optimization/26998
9370 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9371 of signed types, only TYPE_MIN_VALUE is special, but for both,
9372 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9373 in this case, as is -fwrapv.
9375 2006-06-08 Mike Stump <mrs@apple.com>
9378 * config/darwin.c (darwin_asm_output_anchor): Disable
9379 -fsection-anchors on darwin for now.
9380 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9381 * rs6000/rs6000.c (optimization_options): Likewise.
9383 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9386 * config/i386/i386.c (classify_argument): Skip fields with invalid
9389 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9391 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9392 (cse_insn): Likewise for the stack_pointer_rtx.
9394 2006-06-08 Roger Sayle <roger@eyesopen.com>
9396 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9397 conditions from floating point comparisons.
9399 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9402 * expmed.c (struct alg_hash_entry): Fix type of field T
9403 to match synth_mult argument.
9404 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9406 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9409 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9412 2006-06-08 Richard Guenther <rguenther@suse.de>
9415 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9416 only, if overflow is defined and not trapping.
9417 (negate_expr): Likewise.
9419 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9421 PR tree-optimization/27872
9422 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9423 flag on the new exit edge of the unrolled loop.
9425 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9427 PR rtl-optimization/26449
9428 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9430 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9433 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9434 referenced_variables with matching DECL_UID's.
9435 (find_referenced_vars): Make sure duplicate list is empty to start.
9436 (referenced_var_p): Remove.
9437 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9438 Check if var is in the list, and add if needed. Update the duplicate
9439 list if a different var is in the list with the same DECL_UID.
9440 (add_referenced_var): Call routine to check and insert.
9441 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9442 * tree-flow.h (referenced_vars_dup_list): External declaration.
9444 2006-06-07 Fred Fish <fnf@specifix.com>
9446 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9449 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9452 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9453 the imaginary and real parts of a clobbered register.
9454 Emit insn to set the imaginary part.
9456 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9458 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9459 in lieu of unwind-dw2-fde.c.
9461 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9463 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9465 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9468 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9469 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9470 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9471 V4SImode temporaries and operations instead.
9473 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9475 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9478 2006-06-06 Mike Stump <mrs@apple.com>
9480 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9481 installing during build.
9483 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9485 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9487 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9488 * config/ia64/ia64.c (params.h): New header.
9489 (ia64_optimization_options): New function to adjust parameters.
9490 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9491 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9492 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9494 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9496 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9498 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9501 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9503 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9504 Victor Kaplansky <victork@il.ibm.com>
9506 PR tree-optimization/26360
9507 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9510 2006-06-04 Roger Sayle <roger@eyesopen.com>
9511 Andrew Pinski <pinskia@physics.uc.edu>
9514 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9515 for LABEL_DECL before calling DECL_WEAK.
9518 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9519 LABEL_DECL and PARM_DECL.
9521 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9525 * c-decl.c (grokdeclarator): Disallow variably modified types at
9526 file scope. Avoid marking shared array type of constant size as
9529 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9532 * c-common.c (fold_offsetof_1): Handle static members.
9534 2006-06-04 Eric Christopher <echristo@apple.com>
9536 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9537 (debug_rli): Output value for remaining_in_alignment.
9538 (update_alignment_for_field): Unconditionalize
9539 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9540 extra alignment code.
9541 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9542 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9543 * tree.h (record_layout_info_s): Remove prev_packed.
9544 * doc/extend.texi (ms_struct): Add documentation of format.
9546 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9548 * tree.h: Declare folding_initializer.
9549 * builtins.c (fold_builtin_constant_p): Give definite answer
9550 if folding inside an initializer.
9551 * fold-const.c: Define folding_initializer.
9552 (START_FOLD_INIT): Save and then set folding_initializer.
9553 (END_FOLD_INIT): Restore folding_initializer.
9555 2006-06-04 Richard Guenther <rguenther@suse.de>
9557 PR tree-optimization/27039
9558 * fold-const.c (fold_comparison): Handle pointer comparison
9559 again for all comparison codes. Compare offsets in signed
9561 (fold_binary): Move code from here.
9563 2006-06-03 Roger Sayle <roger@eyesopen.com>
9566 * config/i386/i386.c (construct_container): Split static issued_error
9567 flag into issued_sse_arg_error, issued_sse_ret_error and
9568 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9569 requires the use of x87 registers and the user explicitly
9570 specified the -mno-80387 command line option.
9572 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9574 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9575 HAVE_DECL_SIGALTSTACK.
9577 (segv_handler): Use MC_FLD.
9578 * configure.ac: Check for a sigaltstack declaration.
9579 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9580 * configure: Regenerate.
9581 * config.in: Regenerate.
9583 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9586 * Makefile.in (stmp-fixinc): Fix typo.
9588 2006-06-02 Roger Sayle <roger@eyesopen.com>
9590 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9591 are type correct. Clean-up.
9592 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9593 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9595 2006-06-01 DJ Delorie <dj@redhat.com>
9597 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9598 shift, as we've disabled the "switch" insn that needs it.
9600 2006-06-01 Per Bothner <bothner@bothner.com>
9602 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9603 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9604 * c-ppoutput.c (cb_define): Don't increment line 0.
9606 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9608 * doc/invoke.texi: Add cpu_type power6.
9609 * config.gcc: Add cpu_type power6.
9610 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9611 to power5+ with Altivec.
9612 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9613 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9615 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9617 * config/avr/avr.h (SET_ASM_OP): Define.
9619 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9621 * config/bfin/bfin.c: Fix comment typos.
9623 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9626 * doc/install.texi: Document --enable-bootstrap and
9627 --disable-bootstrap.
9629 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9631 * doc/install.texi: Document that InfoZIP can replace jar.
9633 2006-05-31 Roger Sayle <roger@eyesopen.com>
9635 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9636 isn't available, directly generate the simpler x87 patterns without
9637 the (use (const_int 0)).
9638 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9639 implementation isn't available.
9640 (*negdf2_1): Likewise.
9641 (*negxf2_1): XF mode negation is always done using the x87.
9642 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9644 2006-05-31 Roger Sayle <roger@eyesopen.com>
9646 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9647 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9649 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9651 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9653 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9654 * config/bfin/bfin.c (basic-block.h): Include.
9655 (struct machine_function): New.
9656 (bfin_init_machine_status): New.
9657 (override_options): Initialize init_machine_status.
9658 (bfin_hardware_loop): New.
9659 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9660 (DEF_VEC_P (loop_info)): New.
9661 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9662 (struct loop_info): New.
9663 (loop_info): New typedef.
9664 (struct loop_work): New.
9665 (loop_work): New typedef.
9666 (DEF_VEC_O (loop_work)): New.
9667 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9668 (bfin_dump_loops): New.
9669 (bfin_bb_in_loop): New.
9670 (bfin_scan_loop): New.
9671 (bfin_optimize_loop): New.
9672 (bfin_reorg_loops): New.
9673 (bfin_reorg): Use bfin_reorg_loops.
9674 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9676 (I_REGNO_P): Simplify.
9677 (DP_REGNO_P, DPREG_P): New macros.
9678 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9679 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9680 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9681 Add LT_REGS, LC_REGS, LB_REGS.
9682 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9684 (REGNO_REG_CLASS): Deal with loop registers.
9685 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9687 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9688 New constants for loop registers.
9689 (UNSPEC_LSETUP_END): New.
9690 (seq_insns): New define_attr. Set it for appropriate insns.
9691 (movsi_insn): Add alternatives for move from/to
9692 loop count registers.
9693 (doloop_end): New define_expand.
9694 (loop_end): New define_insn.
9695 (define_split for bad doloop_end): New.
9696 (lsetup_with_autoinit): New define_insn.
9697 (lsetup_without_autoinit): New define_insn.
9698 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9699 * config/bfin/predicates.md (lc_register_operand): New.
9700 (lt_register_operand): New.
9701 (lb_register_operand): New.
9702 (nondp_register_operand): New.
9703 (nondp_reg_or_memory_operand): New.
9704 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9706 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9708 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9709 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9711 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9713 * Makefile.in (CATALOGS): Add po/ prefix.
9714 * configure: Regenerated.
9716 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9719 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9720 a shift operand before calling shift_op. Avoid redundant call of
9723 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9724 DJ Delorie <dj@redhat.com>
9726 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9727 we're inserting is a singlt-bit constant.
9729 2006-05-30 Roger Sayle <roger@eyesopen.com>
9731 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9732 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9734 2006-05-30 Roger Sayle <roger@eyesopen.com>
9736 PR tree-optimization/23452
9737 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9738 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9739 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9740 complex values and with -ffast-math for FP complex values.
9742 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9744 * c-common.h: Remove the prototype for yyparse.
9745 * rtl.h: Remove the prototype for init_loop.
9747 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9749 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9752 2006-05-30 Roger Sayle <roger@eyesopen.com>
9754 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9756 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9757 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9759 2006-05-30 Dirk Mueller <dmueller@suse.de>
9762 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9763 for CONSTANT_CLASS_P expresisons.
9765 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9768 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9770 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9772 PR tree-optimization/27779
9773 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9774 initial_condition instead of CHREC_LEFT.
9776 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9778 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9779 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9780 Make prototypes ISO C90.
9782 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9783 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9785 * see.c (see_analyze_one_def): Correct check.
9786 (see_get_extension_data): Check if extension is parallel.
9787 (see_get_extension_reg): Likewise.
9789 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9792 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9793 into register for (code == GTU).
9795 2006-05-29 Roger Sayle <roger@eyesopen.com>
9797 PR tree-optimization/24964
9798 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9799 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9800 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9801 abs(x)*abs(x) as x*x for scalar floating point modes.
9803 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9806 * lambda-code.c (perfect_nestify): Don't copy statements
9807 in the inner loop: move them to the inner loop header.
9809 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9812 * c-tree.texi: Document OpenMP directives and clauses.
9814 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9816 * varasm.c (globalize_decl): Fix indentation.
9818 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9821 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9822 pass_fre, pass_store_ccp, pass_copy_prop,
9823 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9824 pass_return_slot, pass_object_size, pass_lim,
9825 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9826 pass_loop_prefetch and pass_stdarg.
9828 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9830 * config/bfin/bfin.opt (mfdpic): New option.
9831 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9832 (EXTRA_MULTILIB_PARTS): Likewise.
9833 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9834 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9836 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9837 (CRT_CALL_STATIC_FUNCTION): New.
9838 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9840 (CRT_CALL_STATIC_FUNCTION): New.
9841 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9843 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9844 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9845 (initialize_trampoline): Changed to handle FD-PIC code generation.
9846 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9847 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9848 (override_options): Disallow -mid-shared-library -mfdpic combination.
9849 Can't do unaligned ops if FD-PIC.
9850 Turn off flag_pic if trying to generate non-id-shared-library
9851 non-fdpic code, since it's not supported.
9852 (bfin_assemble_integer): New function.
9853 (TARGET_ASM_INTEGER): Define.
9854 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9856 * config/bfin/crtn.s: Restore them.
9857 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9859 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9860 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9861 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9862 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9863 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9865 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9866 FDPIC_REGS and FDPIC_FPTR_REGS.
9867 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9868 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9869 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9870 (load_funcdescsi): New pattern.
9871 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9872 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9873 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9875 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9877 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9880 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9882 * tree-flow.h: Remove the prototype for add_type_alias.
9883 * tree-ssa-alias.c (add_type_alias): Remove.
9885 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9887 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9888 config/fr30/fr30.md, config/i386/i386-interix.h,
9889 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9890 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9891 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9892 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9893 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9894 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9895 Follow spelling conventions.
9896 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9897 Follow spelling conventions.
9899 2006-05-27 Richard Guenther <rguenther@suse.de>
9902 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9903 to produce a constant of value 1 of generic type.
9905 2006-05-27 Dirk Mueller <dmueller@suse.de>
9907 * cgraphunit.c (decide_is_function_needed): Fix wrong
9910 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9912 PR rtl-optimization/27661
9913 * reload.c (find_reloads): When reloading a VOIDmode constant
9914 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9915 use Pmode as mode of the reload register.
9917 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9919 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9920 is enabled at -O and above.
9922 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9925 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9928 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9931 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9932 for anonymous variables explicitly declared by front ends.
9934 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9936 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9937 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9938 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9939 ref-all pointers, run a finalization pass for them.
9940 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9941 (finalize_ref_all_pointers): New function.
9942 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9943 regular pointer type to a ref-all pointer type.
9944 (get_tmt_for): Return the special memory tag for ref-all pointers.
9946 2006-05-25 Richard Guenther <rguenther@suse.de>
9949 * fold-const.c (fold_binary): Do not look at the stripped
9950 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9952 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9954 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9955 for LT and GT if the computed range is effectively empty.
9957 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9960 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9961 mips_quad_format formats instead of ieee_single_format,
9962 ieee_double_format and ieee_quad_format formats, respectively.
9964 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9966 PR tree-optimization/27639
9967 PR tree-optimization/26719
9968 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9969 call to scev_probably_wraps_p.
9970 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9971 used_in_pointer_arithmetic_p, convert_step): Removed.
9972 (nowrap_type_p): New function.
9973 (scev_probably_wraps_p): Rewritten.
9974 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9975 chrec_convert if chrec_convert_aggressive might have been used.
9976 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9977 scev_direction): New functions.
9978 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9979 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9980 instead of convert_step.
9981 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9982 (convert_step): Declaration removed.
9983 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9985 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9987 * df-core.c: Added to header comments.
9988 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9989 df_ur_bb_info, df_urec_bb_info): Added comments.
9990 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9991 urec, ri problems): Fixed header comments.
9992 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9993 code from df_rd_transfer_function.
9995 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9997 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9998 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9999 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10001 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10003 * expr.c (undefined_operand_subword_p): New.
10004 (emit_move_multi_word): Do not generate move from undefined bits
10005 of a paradoxical subreg.
10007 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10009 PR rtl-optimization/27736
10010 * combine.c (replaced_rhs_value): New variable.
10011 (combine_instructions): Set it.
10012 (distribute_notes): When distributing a note in replaced_rhs_insn,
10013 check whether the value was used in replaced_rhs_value.
10015 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10018 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10019 add_referenced_var instead of add_referenced_tmp_var.
10020 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10021 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10022 add_referenced_var.
10023 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10024 tree_optimize_tail_calls_1): Use add_referenced_var.
10025 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10026 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10027 Use add_referenced_var.
10028 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10029 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10030 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10031 Use add_referenced_var.
10032 * tree-dfa.c (struct walk_state): Remove.
10033 (find_referenced_vars): Remove walk state and vars_found hash table.
10034 (make_rename_temp): Use add_referenced_var.
10035 (find_vars_r): Pass less parameters to add_referenced_var.
10036 (referenced_var_p): New. Is var in referenced_var hash table.
10037 (referenced_var_insert): Assert var isn't already in hash table.
10038 (add_referenced_var): Don't need walk_state parameter. Add var if it
10039 isn't already in the hash table.
10040 (add_referenced_tmp_var): Remove.
10041 (find_new_referenced_vars_1): Use add_referenced_var.
10042 * tree-ssa-pre.c (create_expression_by_pieces,
10043 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10044 Use add_referenced_var.
10045 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10046 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10047 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10048 add_referenced_var.
10049 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10050 vect_create_data_ref_ptr, vect_create_destination_var,
10051 vect_init_vector, vect_build_loop_niters,
10052 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10053 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10054 Use add_referenced_var.
10055 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10056 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10057 (add_referenced_var): Add prototype.
10058 * tree-ssa-structalias.c (get_constraint_for,
10059 intra_create_variable_infos): Use add_referenced_var.
10061 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10063 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10064 big-endian paradoxical subregs.
10065 * var-tracking.c (struct micro_operation_def): Document that,
10066 for modify micro operations, insn is the subsequent instruction.
10067 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10068 (var_reg_set, var_mem_set): ... new functions.
10069 (add_stores): Record subsequent insn.
10070 (compute_bb_dataflow): Use new functions for MO_USE.
10071 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10072 notes after the insn, and modify notes before the insn known
10073 to be the subsequent one.
10074 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10076 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10079 * config/i386/i386.c (ix86_expand_builtin): Use
10080 gen_sse3_monitor64 for TARGET_64BIT.
10082 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10084 PR rtl-optimization/26375
10085 PR rtl-optimization/26855
10086 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10088 (df_ru_bb_local_compute): Reversed statements and removed bogus
10089 comment explaining why they should be in wrong order.
10090 (df_ru_dump, df_rd_dump): Enhanced debug info.
10091 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10093 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10094 reaching uses and fixed space problem.
10096 2006-05-23 Jan Hubicka <jh@suse.cz>
10098 * cgraphunit.c (decide_is_function_needed): Also nested functions
10099 and functions declared inline can be optimized out at -O0.
10101 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10103 * doc/install.texi (Configuration): Remove reference to CrossGCC
10104 FAQ which was gone.
10107 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10110 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10111 ix86_compare_emitted is non-NULL.
10113 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10116 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10119 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10121 PR rtl-optimization/25514
10122 * combine.c (replaced_rhs_insn): New variable.
10123 (combine_instructions): Set replaced_rhs_insn when trying to replace
10124 a SET_SRC with a REG_EQUAL note.
10125 (distribute_notes): Use replaced_rhs_insn when determining the live
10126 range of a REG_DEAD register.
10128 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10129 Anatoly Sokolov <aesok@post.ru>
10131 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10132 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10133 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10134 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10135 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10136 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10137 at90usb647, at90usb1286 and at90usb1287 devices.
10138 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10139 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10141 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10143 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10145 2006-05-22 Richard Guenther <rguenther@suse.de>
10148 2006-01-31 Richard Guenther <rguenther@suse.de>
10149 Paolo Bonzini <bonzini@gnu.org>
10151 * doc/install.texi (--disable-libgcc-math): Document.
10153 2006-05-22 Richard Guenther <rguenther@suse.de>
10156 2006-01-31 Richard Guenther <rguenther@suse.de>
10158 * doc/invoke.texi (-msselibm): Document.
10159 * target.h (expand_library_builtin): New target hook.
10160 * builtins.c (expand_builtin): Use expand_library_builtin.
10161 (default_expand_library_builtin): New function.
10162 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10163 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10164 (link_gcc_math_spec): Declare.
10165 (static_specs): Add link_gcc_math_spec.
10166 * expr.h (default_expand_library_builtin): Declare.
10167 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10168 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10169 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10170 * config/i386/i386.opt (msselibm): New target option.
10171 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10172 (ix86_init_sse_abi_builtins): New function.
10173 (ix86_expand_library_builtin): Likewise.
10174 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10175 (override_options): Handle error conditions wrt -msselibm.
10176 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10177 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10178 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10181 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10184 * c-common.c (self_promoting_args_p): Skip erroneous args.
10187 * c-decl.c (finish_struct): Skip erroneous fields.
10189 2006-05-22 Nick Clifton <nickc@redhat.com>
10191 * config/cris/cris.opt (march): Remove VarExists attribute.
10192 (max-stackframe=): Likewise.
10194 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10196 * doc/rtl.texi: Fix a typo.
10197 * see.c: Fix comment typos.
10199 * tree-ssa-structalias.h (alias_info): Remove num_references.
10201 2006-05-21 Mike Stump <mrs@apple.com>
10203 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10205 (darwin_pragma_options): Use BAD instead.
10206 (darwin_pragma_unused): Likewise.
10207 (darwin_pragma_ms_struct): Likewise.
10209 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10211 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10213 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10215 PR rtl-optimization/27671
10216 * simplify-rtx.c (simplify_relational_operation_1): Fix
10217 simplifications of (eq/ne (xor x y) y) and
10218 (eq/ne (xor x y) x).
10220 PR tree-optimization/26622.
10221 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10224 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10226 * tree-cfg.c: Prune whitespace.
10227 (debug_tree_cfg): Point to correct header containing the
10230 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10232 PR middle-end/25776
10233 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10235 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10237 PR middle-end/25776
10238 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10239 or sorry count is non zero.
10241 2006-05-20 Andreas Schwab <schwab@suse.de>
10243 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10245 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10246 Kenneth Zadeck <zadeck@naturalbridge.com>
10248 PR rtl-optimization/26855
10250 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10252 (df_scan_alloc): Added code to properly handle multiword hard
10253 registers and add all_blocks parameter.
10254 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10255 code to properly handle multiword hard registers.
10256 (df_rescan_blocks): Added code to remove deleted blocks from
10258 (df_ref_create_structure, df_ref_record): Added code to properly
10260 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10261 and set DF_REF_PARTIAL.
10262 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10263 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10264 (df_scan_add_problem): Added flags parameter.
10265 (df_ref_create_structure): Changed switching structure.
10266 (df_bb_refs_record): Fixed case where duplicate artificial refs
10267 were created. Changed location of flags.
10268 (df_record_entry_block_defs): Added code to make stack pointer
10269 live in entry block. Refined cases where frame pointer is needed.
10270 Changed location of flags.
10271 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10272 (df_set_state): Removed function.
10273 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10274 df_insn_create_insn_record, df_insn_refs_delete,
10275 df_ref_create_structure): Formatting changes.
10276 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10277 df_delete_basic_block): New function.
10278 (df_init): Changed location of flags.
10279 (df_add_problem): Added flags parameter and the way flags are
10281 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10282 debug_df_chain): Improved debugging output.
10283 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10284 (df_refs_chain_dump): Removed df parameter.
10285 (df_iterative_dataflow): Added consistency check.
10286 (df_prune_to_subcfg): Made public.
10287 (df_analyze_problem): Added blocks_to_init parameter and made
10289 (df_ref_record, df_bb_refs_record, df_mark_reg,
10290 df_record_exit_block_uses): Whitespace changes.
10291 (df_dump): Whitespace changes.
10292 * df.h: Some reordering to remove forward references.
10293 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10294 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10295 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10296 (dataflow.flags): New field.
10297 (df.flag): Deleted field.
10298 (df_alloc_function): Added additional bitmap parameter.
10299 (df_dependent_problem_function): New type.
10300 (df_problem.changeable_flags): New field.
10301 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10302 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10303 (df_mw_hardreg): New struct.
10304 (DF_INSN_UID_MWS): New macro.
10305 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10307 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10308 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10309 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10310 (df_set_state): Removed function.
10311 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10312 * df-problems.c (df_chain_dump): Removed df parameter.
10313 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10314 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10316 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10317 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10318 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10319 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10320 DF_REF_MUST_CLOBBER cases.
10321 (df_ru_bb_local_compute_process_def,
10322 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10323 df_lr_bb_local_compute, df_ur_bb_local_compute,
10324 df_chain_create_bb): Made subreg aware.
10325 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10326 df_lr_bb_local_compute, df_lr_bb_local_compute,
10327 df_chain_create_bb): Cleanup to use proper macros.
10328 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10329 code to fixup bitvectors.
10330 (df_ri_alloc): Cleared lifetime.
10331 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10332 df_create_unused_note): New function.
10333 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10334 REG_DEAD and REG_UNUSED notes as well as register information.
10335 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10336 df_chains_dump): Fixed crash if problem was never run.
10337 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10338 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10339 df_ri_add_problem): Processes flags in uniform manner.
10340 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10341 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10342 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10343 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10344 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10345 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10346 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10347 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10348 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10349 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10350 * see.c (see_initialize_data): Ditto.
10351 * final.c (rest_of_clean_state) Added regstack_completed.
10352 * rtl.h (regstack_completed): Ditto.
10353 * reg-stack.c (regstack_completed): Ditto.
10355 2006-05-19 Mike Stump <mrs@apple.com>
10357 * c-tree.h (default_conversion): Remove.
10358 * c-common.h (default_conversion): Add.
10360 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10362 * tree-vrp.c (valid_value_p): New function.
10363 (adjust_range_with_scev): Fail if the value of bound is not
10366 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10368 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10369 (mips_fallback_frame_state): Use syscall numbers to determine
10370 the appropriate li instruction for the current ABI. Only use
10371 __NR_sigreturn for o32.
10373 2006-05-19 Nicolas Setton <setton@adacore.com>
10375 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10376 * langhooks.c (lhd_dwarf_name): New function.
10377 * langhooks-def.h (lhd_dwarf_name): Declare.
10378 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10379 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10381 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10383 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10385 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10386 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10387 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10388 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10389 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10390 determine the size of Wtype, etc.
10391 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10392 (swfloatfuncs): New variable.
10393 (dwfloatfuncs): Likewise.
10394 (lib2funcs): Remove floating-point conversion functions from
10395 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10396 the set of conversion routines needed. Allow entries to specify
10397 an object name, filename and word size. Update users accordingly.
10398 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10399 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10403 2006-02-08 Roger Sayle <roger@eyesopen.com>
10406 * config/fixtfdi.c: New libgcc source file.
10407 * config/fixunstfdi.c: New source file.
10408 * config/floatditf.c: New source file.
10409 * config/floatunditf.c: New souce file.
10410 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10411 files above instead of config/mips/_tilib.c.
10412 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10414 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10416 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10417 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10419 2006-05-18 Mike Stump <mrs@apple.com>
10421 Fix up vla, vm and [*] sematics.
10427 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10428 (c_vla_unspec_p): Add.
10429 (c_vla_type_p): Add.
10430 * c-decl.c (struct c_scope): Add had_vla_unspec.
10431 (build_array_declarator): Add support for [*].
10432 (grokdeclarator): Likewise.
10433 (grokparms): Likewise.
10434 (get_parm_info): Likewise.
10435 * c-objc-common.c (c_vla_unspec_p): Likewise.
10436 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10437 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10438 typeof when argument is a variably modified type not inside sizeof or alignof.
10439 (c_parser_direct_declarator_inner): Propagate errors.
10440 (c_parser_sizeof_expression): Add support for [*].
10441 (c_parser_parms_declarator): Initialize had_vla_unspec.
10442 (c_parser_parms_list_declarator): Likewise.
10443 * c-typeck.c (c_vla_type_p): Add.
10444 (composite_type): Add support for vla compositing.
10445 (comptypes_internal): Add support for vla compatibility.
10446 (c_expr_sizeof_expr): Evaluate vla arguments.
10447 * tree.c (variably_modified_type_p): Update comment for [*].
10449 2006-05-18 Michael Matz <matz@suse.de>
10452 * config.host: Make assignments to host_xmake_file cumulative.
10453 * config.host (*-darwin*): Test $host, not $target.
10455 2006-05-12 Stuart Hastings <stuart@apple.com>
10457 * config/i386/i386.opt (-mstackrealign): New flag.
10458 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10459 (ix86_handle_cconv_attribute): Emit error when
10460 force_align_arg_pointer attribute collides with too many regparms.
10461 (ix86_function_regparm): Limit regparms when used with
10462 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10463 Support stack-realigning prologue in non-main functions. Emit
10464 warning for nested functions under -mstackrealign, emit error for
10465 nested functions with force_align_arg_pointer attribute.
10466 * doc/extend.texi (force_align_arg_pointer): Document it.
10467 * doc/invoke.texi (-mstackrealign): Document it.
10469 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10471 PR rtl-optimization/27477
10472 * combine.c (try_combine): Don't split a parallel consisting
10473 of two sets into two individual sets if both sets reference
10476 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10478 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10479 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10481 * doc/options.texi (VarExists): Updated.
10483 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10485 * unwind-dw2.c: Add declarations for uw_update_context and
10486 uw_frame_state_for.
10487 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10488 detected, advance frame state and context once to skip over stub.
10490 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10492 PR middle-end/20256
10493 PR middle-end/26435
10494 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10495 Call rewrite_into_loop_closed_ssa only when something changed.
10496 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10497 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10498 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10499 Test for perfect_nest_p here. Fix formating.
10500 (replace_uses_equiv_to_x_with_y): Fix formating.
10501 (stmt_uses_op): Removed.
10502 (can_convert_to_perfect_nest): Removed loopivs parameter.
10503 Complete the test by checking the scalar dependences.
10504 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10507 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10510 From Dan Kegel <dank@kegel.com>:
10511 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10513 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10515 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10516 if the element type is variably modified without recursing.
10518 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10520 PR middle-end/27332
10521 * tree-loop-linear.c (try_interchange_loops): Test for
10522 no data dependences.
10524 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10526 PR tree-optimization/27548
10527 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10528 range of ssa names that appear on abnormal edges.
10529 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10530 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10532 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10534 PR middle-end/27620
10535 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10537 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10539 PR middle-end/27415
10540 * tree.h (OMP_PARALLEL_COMBINED): Define.
10541 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10542 (new_omp_context): Add is_combined_parallel argument.
10543 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10544 new_omp_context caller.
10545 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10546 Adjust gimplify_scan_omp_clauses callers.
10547 (omp_is_private): Issue errors if iteration variable is firstprivate
10548 or reduction in the current context.
10549 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10550 on combined parallel workshare constructs.
10552 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10554 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10555 (gcc-options.o): New rule.
10557 * optc-gen.awk: Protect variables for gcc-options.o with
10558 #ifdef GCC_DRIVER/#endif.
10560 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10562 Fix PR tree-optimization/27373
10563 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10564 (forward_propagate_addr_expr): Update call.
10566 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10568 * doc/options.texi: Move the Negative option.
10570 2006-05-16 Richard Guenther <rguenther@suse.de>
10572 PR tree-optimization/22303
10573 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10575 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10576 ccp_fold did not simplify the statement.
10578 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10581 * Makefile.in (GCC_OBJS): New.
10582 (OBJS-common): Add opts-common.o.
10583 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10584 (cpp$(exeext)): Likewise.
10585 (gcc.o): Also depend on opts.h.
10586 (opts-common.o): New.
10588 * common.opt (gcoff): Add Negative(gdwarf-2).
10589 (gdwarf-2): Add Negative(gstabs).
10590 (gstabs): Add Negative(gstabs+).
10591 (gstabs+): Add Negative(gvms).
10592 (gvms): Add Negative(gxcoff).
10593 (gxcoff): Add Negative(gxcoff+).
10594 (gxcoff+): Add Negative(gcoff).
10595 * config/i386/i386.opt (m32): Add Negative(m64).
10596 (m64): Add Negative(m32).
10598 * doc/options.texi: Document the Negative option.
10600 * gcc.c: Include "opts.h".
10601 (main): Call prune_options after expandargv.
10603 * optc-gen.awk: Generate common declarations for all flag
10604 variables in options.c. Output the neg_index field.
10606 * opts.c (find_opt): Moved to ...
10607 * opts-common.c: Here. New file.
10609 * opts.h (cl_option): Add a neg_index field.
10611 (prune_options): Likewise.
10613 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10615 PR middle-end/27573
10616 * omp-low.c (expand_omp_parallel): Don't assert
10617 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10618 instead search for it.
10621 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10624 2006-05-16 Andreas Schwab <schwab@suse.de>
10626 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10629 2006-05-15 Roger Sayle <roger@eyesopen.com>
10632 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10633 integer constants other than zero are only legitimate on TARGET_64BIT.
10634 <CONST_VECTOR> Only zero vectors are legitimate.
10635 (ix86_cannot_force_const_mem): Integral and vector constants can
10636 always be put in the constant pool.
10638 2006-05-16 DJ Delorie <dj@redhat.com>
10640 * crtstuff.c (__dso_handle): Set section from
10641 TARGET_LBIGCC_SDATA_SECTION if defined.
10642 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10643 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10645 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10648 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10651 2006-05-16 Ben Elliston <bje@au.ibm.com>
10653 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10655 2006-05-15 Per Bothner <per@bothner.com>
10657 * tree.c: (last_annotated_node): Use source_locus typedef.
10658 This permits bootstrapping with --enable-mapped-location.
10660 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10662 PR tree-optimization/26830
10663 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10664 (info_for_ssa_name, current_info_for_ssa_name_age,
10665 blocks_to_update): New variables.
10666 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10667 (clear_ssa_name_info, initialize_flags_in_bb,
10668 mark_block_for_update): New functions.
10669 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10670 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10671 prepare_def_site_for): Use mark_block_for_update.
10672 (mark_def_interesting): Assert that the processed block is marked in
10673 blocks_to_update. Do not take blocks argument.
10674 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10676 (rewrite_update_init_block, rewrite_update_stmt): Only process
10677 blocks with statements to rewrite.
10678 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10679 (update_ssa): Initialize and free blocks_to_update. Do not
10680 clear flags on statements. Do not use blocks bitmap.
10681 * tree.h (SSA_NAME_AUX): Removed.
10682 (struct tree_ssa_name): Removed aux field.
10683 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10685 2006-05-15 Richard Guenther <rguenther@suse.de>
10687 PR tree-optimization/27603
10688 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10689 Do computations in original type.
10691 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10693 * see.c: Code style changes such as redundant paranthesis,
10694 redundant intialization of local variables etc.
10695 (see_main): Declared now as static.
10696 * doc/invoke.texi: Update that -fsee is not enabled by
10699 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10701 * omp-low.c (check_omp_nesting_restrictions): New function.
10702 (scan_omp_1): Call it.
10704 PR middle-end/27416
10705 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10706 construct, return *VAR.
10708 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10710 PR rtl-optimization/27406
10711 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10714 2006-05-14 Roger Sayle <roger@eyesopen.com>
10716 PR rtl-optimization/27538
10717 * combine.c (expand_compound_operation): Call gen_lowpart
10718 before calling simplify_shift_const.
10720 2006-05-14 Roger Sayle <roger@eyesopen.com>
10722 PR rtl-optimization/22563
10723 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10724 a fixed width bitfield, always force the intermediates into psuedos.
10726 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10729 * mkconfig.sh: Use operator = instead of == for test.
10731 2006-05-13 Nick Clifton <nickc@redhat.com>
10733 * dwarf2out.c (dbx_reg_number): Check return value from
10734 LEAF_REG_REMAP and only use it if it is valid.
10735 (multiple_reg_loc_descriptor): Likewise.
10737 2006-05-13 Richard Guenther <rguenther@suse.de>
10739 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10742 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10744 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10745 information attached to non-INSNs such as NOTEs.
10746 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10748 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10750 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10752 * config/s390/s390.md: Adjust comment describing On constraint.
10754 2006-05-11 Jan Hubicka <jh@suse.cz>
10756 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10757 to be output at -O0.
10759 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10761 PR middle-end/27384
10762 * fold-const.c (size_binop): Move sanity check for arguments to
10763 the beginning of the function.
10765 PR middle-end/27488
10766 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10769 2006-05-11 Richard Guenther <rguenther@suse.de>
10771 PR middle-end/27529
10772 * fold-const.c (fold_unary): Handle intermediate conversion
10773 to a pointer type like intermediate conversion to an integer
10774 type in folding of (T1)(T2)var to var.
10775 Match the code to the comment in the final conversion for
10776 (T1)(T2)var to (T1)var regarding to type precision. Rather
10777 than disallow T1 being of pointer type, assert that both T1
10778 and var are of pointer type or not. Make sure not to fall
10779 over the frontends lazyness wrt array to pointer decay though.
10781 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10783 * arm.c (arm_struct_value_rtx): Delete.
10784 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10785 (arm_init_cumulative_args): Always initialize nregs to zero.
10787 2006-05-10 Richard Guenther <rguenther@suse.de>
10789 PR tree-optimization/27532
10790 * tree-object-size.c (plus_expr_object_size): Fix typo.
10792 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10795 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10796 ashrdi_const, ashrdi3): Use a scratch register.
10798 2006-05-10 Richard Guenther <rguenther@suse.de>
10800 PR tree-optimization/27302
10801 * fold-const.c (operand_equal_p): For two comparisons,
10802 try comparison of one comparison code swapped if that yields
10805 2006-05-10 Ben Elliston <bje@au.ibm.com>
10807 * tree-pretty-print.c (pretty_print_string): No need to handle
10808 '\0' as a special character.
10810 * tree.h: Include "hashtab.h".
10811 (iterative_hash_expr): Use hashval_t in its prototype.
10812 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10814 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10817 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10818 (hppa*64*-*-hpux11*): Ditto.
10819 (hppa[12]*-*-hpux11*): Ditto.
10821 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10824 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10826 2006-05-09 Michael Matz <matz@suse.de>
10828 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10829 host_extra_gcc_objs and host_xmake_file.
10830 (<*-*-linux*>): Don't overwrite host_xmake_file.
10831 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10832 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10833 (host_detect_local_cpu): Declare.
10834 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10835 * config/i386/i386.c (override_options): Handle -mtune=native
10837 * config/i386/x-i386: New file.
10838 * config/i386/driver-i386.c: New file.
10839 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10842 2006-05-09 Dirk Mueller <dmueller@suse.de>
10843 Richard Guenther <rguenther@suse.de>
10845 PR middle-end/27498
10846 * fold-const.c (fold_read_from_constant_string): Relax check
10847 for matching types to matching modes.
10849 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10851 PR rtl-optimization/27335
10852 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10855 2006-05-08 Chao-ying Fu <fu@mips.com>
10856 Richard Sandiford <richard@codesourcery.com>
10858 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10859 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10860 * config/mips/mips.md (UNSPEC_SCC): New constant.
10861 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10862 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10863 (mips_emit_compare): Use it.
10864 (mips_expand_vcondv2sf): New function.
10866 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10868 Fix PR tree-optimization/27093
10869 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10870 renaming when they become not-used_alone.
10872 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10874 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10875 relocation and relocation stubs.
10877 2006-05-08 Eric Christopher <echristo@apple.com>
10879 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10882 2006-05-08 Jan Hubicka <jh@suse.cz>
10884 PR middle-end/24561
10885 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10886 unused static functions are needed.
10888 2006-05-08 Roger Sayle <roger@eyesopen.com>
10891 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10892 of a reg_equiv_constant if the result is a legitimate constant.
10894 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10897 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10898 standard 80387 constants, raise the cost to prevent
10899 compress_float_constant() to generate load from memory.
10901 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10903 * config/arm/constraints.md (c): Fix a typo.
10905 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10908 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10911 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10913 (_mm_mwait): Likewise.
10915 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10917 (sse3_monitor): Make it 32bit only.
10918 (sse3_monitor64): New. 64bit monitor.
10920 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10923 * config/i386/i386.c (classify_argument): Skip fields with invalid
10926 2006-05-07 Richard Guenther <rguenther@suse.de>
10928 PR tree-optimization/27409
10929 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10930 Do not try to find zero-sized subvars.
10932 2006-05-07 Richard Guenther <rguenther@suse.de>
10934 PR tree-optimization/27136
10935 * tree-ssa-loop-niter.c (get_val_for): Correct function
10936 comment, assert requirements.
10937 (loop_niter_by_eval): Stop processing if the iterated
10938 value did not simplify.
10940 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10942 * opts.c (flag_see): remove its setting at -O3.
10944 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10946 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10947 * arm/constraints.md: New file.
10948 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10949 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10950 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10951 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10952 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10953 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10954 * arm.md: Include constraints.md.
10955 (thumb_movsi_insn): Use satisfies_constraint_J.
10956 (movhi, movqi): Use satisfies_constraint_I.
10958 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10960 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10961 for atmeg a645 device.
10963 2006-05-06 Richard Guenther <rguenther@suse.de>
10965 PR tree-optimization/27151
10966 * tree-vect-transform.c (vectorizable_condition): Punt on
10967 values that have a different type than the condition.
10969 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10972 * c-parser.c (c_parser_cast_expression): Only insert casts into
10973 hash table if pointer.
10974 * function.c (used_types_insert_helper): Rename from
10976 (used_types_insert): Call used_types_insert_helper.
10977 * function.h (used_types_insert): Accept only one argument.
10979 2006-05-05 David Edelsohn <edesohn@gnu.org>
10981 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10982 scratch with output modifier.
10984 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10987 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10988 with output modifier.
10990 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10993 * config/mips/mips.c (mips_symbolic_address_p): Return true
10994 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10995 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10997 2006-05-04 Richard Guenther <rguenther@suse.de>
10999 PR tree-optimization/14287
11000 PR tree-optimization/14844
11001 PR tree-optimization/19792
11002 PR tree-optimization/21608
11003 PR tree-optimization/27090
11004 * tree-ssa-pre.c (try_combine_conversion): New function.
11005 (compute_avail): After constructing the value-handle
11006 expression, use try_combine_conversion to combine NOP_EXPRs
11007 with previous value-handle expressions and use the result if it
11010 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11012 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11014 2006-05-04 Jan Hubicka <jh@suse.cz>
11016 PR middle-end/25962
11017 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11019 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11021 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11022 that this only matches CONST_INTs. All users changed to VOIDmode
11025 * config/bfin/bfin.c: Include "optabs.h".
11026 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11028 (enum bfin_builtins): Add a number of fractional and vector builtins.
11029 (bfin_init_builtins): Likewise.
11030 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11031 (safe_vector_operand, bfin_expand_binop_builtin,
11032 bfin_expand_unop_builtin): New functions.
11033 (bfin_expand_builtin): Handle the new builtins.
11034 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11037 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11040 * Makefile.in (OBJS-common): Add see.o.
11041 (see.o): Add dependencies.
11042 * common.opt (fsee): New flag for the see optimization was added.
11043 * opts.c (flag_see): Initialized.
11044 * passes.c (init_optimization_passes, pass_see): New pass.
11045 * rtl.h (see_main): Declaration as extern.
11046 * timevar.def (TV_SEE): New.
11047 * tree-pass.h (pass_see): Declaration as extern.
11048 * invoke.texi (-fsee): Document.
11049 * recog.c (validate_simplify_insn): New function.
11050 * recog.h (validate_simplify_insn): Declaration as extern.
11051 * df-problems.c (df_chain_dump): Check for NULL.
11053 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11054 Daniel Berlin <dberlin@dberlin.org>
11056 * cfgrtl.c (insert_insn_bb_end_new): New function.
11057 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11059 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11061 * df.h (struct web_entry): Moved from web.c.
11062 (union_defs): Declaration as extern.
11063 (unionfind_root): Likewise.
11064 (unionfind_union): Likewise.
11065 * web.c (struct web_entry): Moved to df.h.
11066 (unionfind_root): Remove static declaration.
11067 (unionfind_union): Likewise.
11068 (union_defs): Likewise and generalize to use callback function.
11069 (web_main): Update arguments for union_defs function call.
11071 2006-05-04 Richard Guenther <rguenther@suse.de>
11073 PR tree-optimization/26447
11074 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11075 produce SSA_NAME copies before the store stmt to avoid
11076 breaking exception handling.
11078 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11080 PR middle-end/27388
11081 * gimplify.c (omp_is_private): If var is shared in some outer context,
11082 return false instead of true. Stop searching on parallel context
11085 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11088 * coverage.c: Use get_gcov_unsigned_t() instead of
11089 unsigned_type_node all over.
11091 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11093 PR tree-optimization/27381
11094 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11095 maintain the same immediate_use links.
11096 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11097 node rather than segfaulting.
11099 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11102 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11103 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11104 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11106 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11108 Fix PR tree-optimization/26626
11109 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11111 * tree-ssa-operands.c (access_can_touch_variable): Allow
11112 typecasting through union pointers.
11114 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11117 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11118 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11119 to find if var will be a global variable even in the nested context.
11120 (omp_copy_decl): Only check for global variable at the end, it might
11121 be overridden in outer contexts.
11122 (scan_sharing_clauses): For global variables don't create a field.
11123 (lower_rec_input_clauses): Do nothing for global shared variables.
11124 Emit a barrier at the end of ILIST if there were any decls in both
11125 firstprivate and lastprivate clauses.
11126 (lower_send_clauses): Do nothing for global variables except for
11129 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11131 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11132 of the correct signedness is returned.
11134 2006-05-02 Jeff Law <law@redhat.com>
11136 PR tree-optimization/27364
11137 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11138 multiply expressions.
11140 2006-05-02 Tom Tromey <tromey@redhat.com>
11142 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11144 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11147 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11148 -mthumb -fPIC are used.
11150 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11151 Joshua Kinard <kumba@gentoo.org>
11154 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11155 with 64-bit pointers.
11157 2006-05-02 Paul Brook <paul@codesourcery.com>
11159 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11161 (create_fix_barrier): Check that a suitable barrier location is
11163 (arm_reorg): Include ftmp->address in allowable range of addresses.
11165 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11168 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11171 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11173 PR middle-end/27337
11174 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11175 around RESULT_DECL for result passed by reference.
11176 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11177 * omp-low.c (use_pointer_for_field): Don't look at
11178 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11179 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11180 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11181 time or var for passing by reference for
11182 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11183 TREE_ADDRESSABLE variables when passing by reference.
11185 * omp-low.c (dump_omp_region): Fix output formatting.
11187 PR middle-end/27328
11188 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11189 (expand_omp_parallel): Likewise.
11190 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11192 PR middle-end/27325
11193 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11194 on statement list containing also constructors and destructors.
11195 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11197 PR middle-end/27310
11198 * except.c (duplicate_eh_regions): Fix clearing of
11199 cfun->eh->region_array entries.
11201 2006-05-01 DJ Delorie <dj@redhat.com>
11203 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11205 (gcc_cv_objdump): Likewise.
11206 * configure: Regenerated.
11208 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11211 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11212 templates for case 3 and 4.
11214 2006-05-01 DJ Delorie <dj@redhat.com>
11216 * vec.c: Include bconfig.h when appropriate.
11217 * Makefile.in (build/vec.o): Adjust dependencies.
11218 * mkconfig.sh: Make sure config.h isn't used for build machine
11221 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11223 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11225 (mark_phi_for_rewrite): New function.
11226 (insert_phi_nodes_for, mark_use_interesting): Call
11227 mark_phi_for_rewrite.
11228 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11229 (update_ssa): Initialize and free phis_to_rewrite.
11231 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11233 PR rtl-optimization/27291
11234 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11235 folded to a constant.
11237 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11239 PR tree-optimization/27283
11240 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11241 not whole # of iteration descriptions.
11242 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11243 uses abnormal ssa name.
11244 (niter_for_single_dom_exit): Ditto.
11245 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11246 return just the number of iterations.
11248 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11250 PR tree-optimization/27144
11251 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11252 (record_estimate): Only record constant upper bound.
11253 (infer_loop_bounds_from_undefined): Call
11254 compute_estimated_nb_iterations just once.
11255 (proved_non_wrapping_p): Renamed to ...
11256 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11257 (convert_step_widening, scev_probably_wraps_p): Call
11258 n_of_executions_at_most instead of proved_non_wrapping_p.
11259 (substitute_in_loop_info): Do not replace values in bounds.
11260 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11263 2006-05-01 Richard Henderson <rth@redhat.com>
11266 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11267 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11270 2006-05-01 Roger Sayle <roger@eyesopen.com>
11272 * c-typeck.c (parser_build_binary_op): Don't call the function
11273 unsigned_conversion_warning to spot operand/result type overflow.
11274 (build_binary_op): Instead, call convert_and_check instead of
11275 convert to report the problem when the operands are promoted.
11276 * c-common.c (unsigned_conversion_warning): Make static.
11277 * c-common.h (unsigned_conversion_warning): Delete prototype.
11279 2006-05-01 Richard Guenther <rguenther@suse.de>
11281 PR tree-optimization/26726
11282 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11284 (find_interesting_uses_address): ... we work around here
11285 by folding INDIRECT_REFs in the substituted base.
11287 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11289 * omp-low.c (dump_omp_region): Add newlines.
11291 2006-04-30 Roger Sayle <roger@eyesopen.com>
11293 * common.opt (Woverflow): New command line option.
11294 * c-common.c (constant_expression_warning): Check warn_overflow.
11295 (overflow_waring): Pass OPT_Woverflow to warning.
11296 (unsigned_conversion_warning): Likewise.
11297 (convert_and_check): Likewise.
11298 * doc/invoke.texi: Document new command line option.
11300 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11302 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11303 TARGET_NO_FP_IN_TOC for section anchors.
11304 (optimization_options): Enable section anchors for all
11305 non-"Objective" languages.
11307 2006-04-28 Eric Christopher <echristo@apple.com>
11309 * config/darwin-c.c (darwin_ms_struct): Move this
11310 (darwin_set_default_type_attributes): and this...
11311 * config/darwin.c: ... here.
11312 * config/darwin.h (darwin_ms_struct): Declare.
11314 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11316 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11318 2006-04-28 Roger Sayle <roger@eyesopen.com>
11321 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11322 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11323 an unsigned HOST_WIDE_INT.
11324 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11326 (really_start_incremental_init): No need to call convert because
11327 bitsize_zero_node is already of type bitsizetype.
11328 (push_init_level): Extract the value of constructor_index as an
11329 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11330 (process_init_element): Likewise.
11332 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11334 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11335 value before passing to make_relative_prefix.
11337 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11339 PR middle-end/27260
11340 * builtins.c (expand_builtin_memset): Expand val in original mode.
11342 2006-04-27 Eric Christopher <echristo@apple.com>
11344 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11345 with #ifndef/#endif.
11346 * config/darwin-c.c (darwin_ms_struct): New.
11347 (darwin_pragma_ms_struct): Ditto.
11348 (darwin_set_default_type_attributes): Ditto.
11349 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11350 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11351 Register ms_struct pragma.
11352 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11353 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11354 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11355 darwin_set_default_type_attributes if TARGET_MACHO.
11357 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11359 PR tree-optimization/26854
11360 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11361 * doc/tree-ssa.texi: Update immuse iterator documentation.
11362 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11363 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11364 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11365 first_safe_imm_use, next_safe_imm_use): Remove.
11366 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11367 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11368 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11369 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11370 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11371 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11372 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11373 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11374 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11375 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11376 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11377 (perfect_nestify): Use new iterator.
11378 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11380 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11381 (next_imm_name): New field in struct immediate_use_iterator_d.
11382 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11383 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11384 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11385 * tree-cfg.c (replace_uses_by): Use new iterator.
11386 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11387 * tree-ssa-operands.c (correct_use_link): Remove.
11388 (finalize_ssa_use_ops): No longer call correct_use_link.
11390 2006-04-27 Stuart Hastings <stuart@apple.com>
11392 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11393 * config/t-darwin (crt3.o): Use it.
11394 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11395 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11396 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11397 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11398 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11401 2006-04-27 Roger Sayle <roger@eyesopen.com>
11403 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11404 size, force the intermediate into a new pseudo rather instead of
11405 performing both a bitwise AND and a bitwise IOR in memory.
11407 2006-04-27 Richard Guenther <rguenther@suse.de>
11409 PR rtl-optimization/26685
11410 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11411 this one "max-flow-memory-locations".
11413 2006-04-27 Richard Guenther <rguenther@suse.de>
11415 PR tree-optimization/25148
11416 * tree-vrp.c (compare_values): Remove code dealing with
11417 comparisons against type min/max value. Honour overflow
11418 and negative constants in code dealing with comparisons
11419 of plus and minus expressions.
11420 (value_inside_range): Use fold_binary with LE_EXPR and
11421 GE_EXPR rather than compare_values.
11423 2006-04-27 Dirk Mueller <dmueller@suse.de>
11425 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11428 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11430 * basic-block.h (safe_insert_insn_on_edge): Removed.
11431 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11433 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11434 Paolo Bonzini <bonzini@gnu.org>
11436 PR middle-end/27282
11437 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11438 (simplify_and_const_int): Same.
11440 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11442 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11444 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11447 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11448 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11449 cgraph_global_info_ready.
11451 PR middle-end/26913
11452 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11455 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11456 either decl or init is error_mark_node.
11458 PR middle-end/25989
11459 * tree-flow.h (struct omp_region): Add sched_kind.
11460 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11461 instead of extracting omp for data.
11462 (expand_omp_for): Save extracted sched_kind.
11464 2006-04-25 Roger Sayle <roger@eyesopen.com>
11466 * expmed.c (store_bit_field): Also check whether the bitsize is
11467 valid for the machine's "insv" instruction before moving the
11468 target into a pseudo for use with the insv.
11469 * config/i386/predicates.md (const8_operand): New predicate.
11470 * config/i386/i386.md (extv, extzv, insv): Use the new
11471 const8_operand predicate where appropriate.
11473 2006-04-25 DJ Delorie <dj@redhat.com>
11475 * doc/install.texi (Specific): Clarify that this is not a list of
11476 supported hosts or targets.
11478 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11480 PR rtl-optimization/26725
11481 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11482 block's BB_DIRTY flag.
11484 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11486 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11489 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11490 to print an integer.
11492 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11494 * varasm.c (align_variable): New function.
11495 (get_block_for_decl): Apply align_variable to DECL before
11496 calculating section information.
11497 (assemble_variable): Split out alignment computation.
11499 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11501 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11504 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11506 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11507 MODE_PARTIAL_INT mode.
11508 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11509 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11511 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11512 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11514 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11516 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11518 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11519 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11520 MACFLAG_IH): Likewise.
11521 (movstricthi_1): Renamed from "*movstricthi".
11522 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11523 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11524 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11525 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11526 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11527 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11528 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11529 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11530 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11531 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11532 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11533 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11534 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11535 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11536 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11538 * doc/rtl.texi (ss_ashift): Improve wording.
11540 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11542 * dwarf2out.c (verify_marks_clear): New.
11543 (prune_unused_types): Call verify_marks_clear initially, not
11546 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11548 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11549 * doc/rtl.texi: Document them.
11550 * simplify-rtx.c (simplify_unary_operation,
11551 simplify_binary_operation_1): Don't abort when we see them.
11553 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11556 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11557 * configure.ac: Completely disregard languages that are not
11559 * configure: Regenerated.
11561 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11562 Richard Guenther <rguenther@suse.de>
11564 PR tree-optimization/27236
11565 * tree-inline.c (copy_body_r): Make sure to copy
11566 TREE_THIS_VOLATILE flag.
11568 2006-04-24 Richard Guenther <rguenther@suse.de>
11570 PR middle-end/26869
11571 * tree-complex.c (update_parameter_components): Don't handle
11572 unused parameters which have no default def.
11574 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11575 Richard Guenther <rguenther@suse.de>
11577 PR tree-optimization/27218
11578 * tree-inline.c (expand_call_inline): Strip useless type
11579 conversions for the return slot address.
11581 2006-04-24 Richard Guenther <rguenther@suse.de>
11583 * cfgloop.h (struct loops): Remove unused field array. Reorder
11585 (LOOP_PREFETCH): Remove.
11587 2006-04-24 Richard Guenther <rguenther@suse.de>
11589 PR tree-optimization/22525
11590 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11591 variable, adjust types of generated expressions.
11593 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11595 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11596 (tree-vect-patterns.o): Likewise.
11597 (jump.o): Likewise.
11598 (cselib.o): Likewise.
11599 (loop-doloop.o): Likewise.
11600 (regclass.o): Likewise.
11601 (reload1.o): Likewise.
11602 (explow.o): Replace target.h with $(TARGET_H).
11603 (ipa-prop.o): Likewise.
11604 (ipa-cp.o): Likewise.
11605 (ipa-inline.o): Likewise.
11606 (reorg.o): Likewise.
11607 (reg-stack.o): Likewise.
11609 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11611 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11613 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11615 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11617 * configure.ac: Completely disregard languages that are not
11619 * configure: Regenerated.
11622 * c-common.h (c_build_bitfield_integer_type): Declare.
11623 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11624 * c-common.c (c_build_bitfield_integer_type): ... here.
11626 2006-04-23 Roger Sayle <roger@eyesopen.com>
11629 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11630 a SImode SUBREG of a floating point register after no_new_pseudos.
11632 2006-04-23 Roger Sayle <roger@eyesopen.com>
11634 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11635 identify potentially eliminable registers to additionally catch
11636 VIRTUAL_INCOMING_ARGS_REGNUM.
11637 (addsi3): Update the conditions on when to use addsi_small_int.
11639 2006-04-23 Roger Sayle <roger@eyesopen.com>
11642 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11643 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11644 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11646 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11648 * fold-const.c (range_predecessor): Use operand_equal_p
11649 as the predicate for equality.
11650 (range_successor): Likewise.
11652 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11655 * config/soft-fp/op-common.h: Fix a typo.
11657 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11659 PR libmudflap/26864
11660 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11661 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11663 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11665 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11667 * doc/tm.texi: Fix a typo.
11669 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11671 * dwarf2out.c (struct die_struct): Document that die_sib makes
11672 a circular linked list.
11673 (FOR_EACH_CHILD): New.
11674 (reverse_die_lists): Delete.
11675 (reverse_all_dies): Delete.
11676 (add_dwarf_attr): Correct documentation.
11677 (remove_child_with_prev): New.
11678 (remove_child_TAG): Update for change to die_struct, use
11679 remove_child_with_prev.
11680 (add_child_die): Update for change to die_struct.
11681 (splice_child_die): Use remove_child_with_prev and add_child_die.
11682 (print_die): Use FOR_EACH_CHILD.
11683 (die_checksum): Likewise.
11684 (assign_symbol_names): Likewise.
11685 (output_location_lists): Likewise.
11686 (build_abbrev_table): Likewise.
11687 (calc_die_sizes): Likewise.
11688 (mark_dies): Likewise.
11689 (unmark_dies): Likewise.
11690 (unmark_all_dies): Likewise.
11691 (output_die): Likewise.
11692 (prune_unused_types_mark): Likewise.
11693 (prune_unused_types_walk): Likewise.
11694 (same_die_p): Update for change to die_struct.
11695 (break_out_includes): Likewise.
11696 (prune_unused_types_prune): Likewise.
11697 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11698 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11699 it's already clear.
11700 (dwarf2out_finish): Don't call reverse_all_dies.
11702 2006-04-21 Eric Christopher <echristo@apple.com>
11704 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11705 in comments and function names.
11707 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11710 * c-typeck.c (digest_init): Robustify.
11712 * c-typeck.c (pop_init_level): Simplify.
11714 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11716 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11718 2006-04-21 Paul Brook <paul@codesourcery.com>
11720 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11721 hardware floating point.
11723 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11725 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11728 2006-04-21 Nick Clifton <nickc@redhat.com>
11730 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11733 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11736 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11737 C++ lang type in traceback table for Objective-C++.
11739 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11741 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11743 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11745 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11748 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11749 were errors. Remove check for erroneous objects.
11751 2006-04-20 Jeff Law <law@redhat.com>
11753 PR tree-optimization/26854
11754 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11755 checking for zero or one use.
11756 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11757 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11758 * tree-ssa-reassoc.c (negate_value): Similarly.
11759 (reassociate_bb): Similarly.
11761 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11763 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11764 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11765 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11767 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11769 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11770 fp regs if the last fp arg doesn't fit in regs.
11772 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11775 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11776 that the last insn has the REG_INC note.
11778 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11779 Nathan Sidwell <nathan@codesourcery.com>
11782 * stor-layout.c (update_alignment_for_field): Do not align
11784 (place_union_field): Place union field at the start of the union.
11785 (place_field): Move ERROR_MARK check later, and use the current
11786 allocation position to maintain monotonicity.
11788 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11790 * dominance.c: Include timevar.h.
11791 (calculate_dominance_info): Use TV_DOMINANCE.
11792 * timevar.def (TV_DOMINANCE): New timevar.
11793 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11795 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11797 PR rtl-optimization/14261
11798 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11799 move would be an INSV insn.
11800 (noce_process_if_block): Don't optimize if the destination is a
11801 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11803 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11805 * config/s390/s390.md: Add comments with the instructions emitted
11806 by an insn pattern if macros are used.
11808 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11810 PR rtl-optimization/26026
11811 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11812 is a known power of two shifted left a variable amount.
11814 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11816 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11817 to hash table twice when the debug_str section has SECTION_MERGE.
11819 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11821 * config/soft-fp: New directory. From glibc.
11822 * config/soft-fp/t-softfp: New.
11823 * config/soft-fp/README: New.
11824 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11825 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11826 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11827 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11828 * config.gcc: Use rs6000/t-fprules-fpbit or
11829 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11831 * config/rs6000/sfp-machine.h: New. Based on glibc.
11832 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11834 * config/rs6000/t-fprules: Remove fp-bit rules.
11835 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11836 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11837 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11838 (softfp_wrap_start, softfp_wrap_end): New.
11840 2006-04-18 DJ Delorie <dj@redhat.com>
11842 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11844 2006-04-18 Devang Patel <dpatel@apple.com>
11846 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11848 2006-04-18 Nick Clifton <nickc@redhat.com>
11850 * config/sh/t-symbian: Add rule to build sh-c.o
11851 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11852 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11853 (sh_symbian_encode_section_info): Likewise.
11855 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11857 * builtins.c (expand_builtin_strcmp): Cover label definition of
11858 do_libcall with HAVE_cmpstrnsi.
11860 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11862 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11864 * function.h (temp_slot_p): New.
11865 (function): Change the type of x_used_temp_slots to
11866 VEC(temp_slot_p,gc) *.
11868 2006-04-18 Nick Clifton <nickc@redhat.com>
11870 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11871 flag_strength_reduce.
11873 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11875 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11879 Partial revert of revision 112637
11880 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11881 Dale Johannesen <dalej@apple.com>
11884 * regclass.c (struct reg_pref): Update documentation.
11885 (regclass): Set prefclass to NO_REGS if memory is the best option.
11886 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11888 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11890 PR tree-optimization/26821
11891 * tree-ssa-math-opts.c (get_constant_one): New.
11892 (insert_reciprocals): Use it.
11894 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11896 * dwarf2out.c (free_AT): Delete.
11897 (remove_AT): Update string ref counts.
11898 (remove_child_TAG): Don't call free_die.
11899 (free_die): Delete.
11900 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11901 or DW_TAG_GNU_EINCL.
11902 (prune_unused_types_walk_attribs): Reset string refcounts.
11903 (prune_unused_types_update_strings): New.
11904 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11905 call free_die. Do call prune_unused_types_update_strings.
11906 (prune_unused_types): Empty debug_str_hash.
11908 2006-04-17 Roger Sayle <roger@eyesopen.com>
11910 * expr.c (expand_assignment): Optimize away no-op moves where the
11911 source and destination are equal and have no side-effects.
11913 2006-04-17 Richard Guenther <rguenther@suse.de>
11916 * reload.c (push_reload): Guard calls to get_secondary_mem
11917 for memory subregs.
11919 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11921 * alias.c (reg_base_value, old_reg_base_value): Change the
11922 type to VEC(rtx,gc) *.
11923 (REG_BASE_VALUE, find_base_value, record_set,
11924 init_alias_analysis): Use VEC instead of VARRAY.
11926 * alias.c (alias_sets): Change the type to
11927 VEC(alias_set_entry,gc) *.
11928 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11929 VEC instead of VARRAY.
11930 (last_alias_set): Remove.
11932 * cgraph.h (cgraph_edge_p): New.
11933 Update the prototype of cgraph_function_versioning.
11934 * cgraphunit.c (cgraph_copy_node_for_versioning,
11935 cgraph_function_versioning): Use VEC instead of VARRAY.
11936 * ipa-cp.c (ipcp_insert_stage): Likewise.
11938 2006-04-16 Roger Sayle <roger@eyesopen.com>
11941 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11942 "A op B" or "A op C", we may need to convert A to the type of B and C.
11944 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11946 * target.h (struct gcc_target): Add mode_rep_extended.
11947 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11948 (init_num_sign_bit_copies_in_rep): Initialize it using
11950 (truncate_to_mode): Use it.
11951 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11952 * targhooks.h (default_mode_rep_extended): Declare it.
11953 * targhooks.c (default_mode_rep_extended): Define it.
11954 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11955 default_mode_rep_extended.
11956 (TARGET_INITIALIZER): Include it.
11957 * doc/tm.texi (Misc): Document it.
11958 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11959 (mips_truncated_to_mode): New function.
11961 2006-04-16 Roger Sayle <roger@eyesopen.com>
11963 PR middle-end/25474
11964 * expr.c (compress_float_constant): Copy the narrow constant into
11965 a new pseudo before extending it to its final width.
11967 2006-04-16 Roger Sayle <roger@eyesopen.com>
11968 Andrew Pinski <pinskia@gcc.gnu.org>
11969 Dale Johannesen <dalej@apple.com>
11972 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11973 special case code to implement V8HImode and V16QImode with SSE2.
11975 2006-04-15 Roger Sayle <roger@eyesopen.com>
11977 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11978 trees are constructed with a suitable tree type.
11980 2006-04-15 Roger Sayle <roger@eyesopen.com>
11982 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11983 (integer_onep): Likewise.
11984 (integer_all_onesp): Likewise.
11985 (integer_pow2p): Likewise.
11986 (integer_nonzerop): Likewise.
11987 (real_zerop): Likewise.
11988 (real_onep): Likewise.
11989 (real_twop): Likewise.
11990 (real_minus_onep): Likewise.
11991 (int_size_in_bytes): Likewise.
11992 (host_integerp): Likewise.
11994 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11996 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11997 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11998 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12000 * tree-ssa-structalias.h (alias_info): Remove num_references.
12002 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12004 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12005 (output_bvb patterns): Likewise.
12006 * pa.c (output_bb): Use 'bb' insn for long branch case.
12007 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12008 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12009 1. Correct length operand for alternatives 1 and 2.
12010 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12011 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12013 2006-04-14 Roger Sayle <roger@eyesopen.com>
12015 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12016 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12017 were accidentally reverted by r112959.
12019 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12021 PR middle-end/26823
12022 * except.h (eh_region_outermost): New prototype.
12023 * except.c (eh_region_outermost): New function.
12024 * tree-cfg.c (find_outermost_region_in_block): Use it.
12026 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12028 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12030 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12031 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12032 (init_reload, reload): Use VEC instead of VARRAY.
12033 * reload.h: Update the prototype for
12034 reg_equiv_memory_loc_varray.
12036 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12037 Eric Botcazou <ebotcazou@libertysurf.fr>
12039 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12040 register save area.
12042 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12044 PR middle-end/27134
12045 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12046 to expand fallback builtin function call.
12048 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12050 PR middle-end/27095
12051 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12052 and emit libcall here in case the builtin fails.
12053 (expand_builtin_strcmp): Always emit the libcall here on failure.
12055 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12057 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12058 * flow.c (reg_n_info): Change the type to
12059 VEC(reg_info_p,heap) *.
12060 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12062 * regs.h (reg_info_p): New.
12063 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12064 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12065 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12068 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12070 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12072 * params.h (MAX_SCHED_READY_INSNS): New macro.
12073 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12074 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12075 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12076 the ready list for 1 cycle during the first scheduling pass.
12077 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12079 2006-04-13 Richard Henderson <rth@redhat.com>
12082 * gimple-low.c (lower_omp_directive): Remove dead code.
12083 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12084 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12085 * omp-low.c (struct omp_region): Move to tree-flow.h.
12086 (root_omp_region): Export.
12087 (omp_regions, lookup_omp_region): Remove.
12088 (determine_parallel_type): Update for struct omp_region changes.
12089 (dump_omp_region): Dump regions with block numbers.
12090 (new_omp_region): Take type and block instead of stmt; malloc
12092 (free_omp_region_1, free_omp_regions): New.
12093 (expand_parallel_call): Take entry_stmt as argument; update for
12094 changes to omp_region.
12095 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12096 (remove_exit_barriers): New.
12097 (expand_omp_parallel): Update for struct omp_region changes.
12098 (expand_omp_synch): Likewise.
12099 (expand_omp): Likewise.
12100 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12101 (expand_omp_for_static_chunk): Likewise.
12102 (expand_omp_for): Likewise.
12103 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12104 (expand_omp_sections): Similarly, with GOMP_sections_end.
12105 (expand_omp_single): New.
12106 (build_omp_regions_1): Update for OMP_CONTINUE.
12107 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12108 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12109 OMP_SECTIONS_SECTIONS.
12110 (lower_omp_single_simple): Don't emit barrier here.
12111 (lower_omp_single_copy): Likewise.
12112 (lower_omp_single): Fix bindings, and lower to straightline now.
12113 (lower_omp_master, lower_omp_ordered): Likewise.
12114 (lower_omp_critical): Likewise.
12115 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12116 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12117 omp edges, free it afterward.
12118 (make_omp_sections_edges): Remove.
12119 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12120 (move_stmt_r): Handle OMP_CONTINUE.
12121 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12122 statement pointers to basic blocks. Add type member.
12123 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12124 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12125 * tree-inline.c (estimate_num_insns_1): Likewise.
12126 * tree-pretty-print.c (dump_generic_node): Likewise.
12127 * tree-ssa-operands.c (get_expr_operands): Likewise.
12128 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12129 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12130 (OMP_CONTINUE): New.
12131 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12132 (OMP_SECTIONS_SECTIONS): Remove.
12133 (OMP_SECTION_LAST): New.
12134 (OMP_RETURN_NOWAIT): New.
12136 2006-04-13 Roger Sayle <roger@eyesopen.com>
12138 * fold-const.c (native_encode_vector, native_interpret_real):
12139 Correct obvious mistakes in the previous check-in.
12141 2006-04-13 Roger Sayle <roger@eyesopen.com>
12143 * fold-const.c (native_encode_expr): New function to encode
12144 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12145 or VECTOR_CST into a specified buffer.
12146 (native_encode_int): New function.
12147 (native_encode_real): New function.
12148 (native_encode_complex): New function.
12149 (native_encode_vector): New function.
12150 (native_interpret_expr): Inverse of native_encode_expr to convert
12151 a target representation into an INTEGER_CST, REAL_CST etc...
12152 (native_interpret_int): New function.
12153 (native_interpret_real): New function.
12154 (native_interpret_complex): New function.
12155 (native_interpret_vector): New function.
12156 (fold_view_convert_expr): New function to constant fold/evaluate
12157 a VIEW_CONVERT_EXPR of a suitable constant expression.
12158 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12159 Change call of build1 to fold_build1 when constructing a
12162 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12163 Ulrich Weigand <uweigand@de.ibm.com>
12166 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12169 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12172 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12173 optimize to lo_sum for DFmode if !TARGET_FPRS.
12175 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12177 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12178 delete_alias_info, compute_flow_sensitive_aliasing,
12179 group_aliases): Use VEC instead of VARRAY.
12180 * tree-ssa-structalias.c (update_alias_info): Likewise.
12181 * tree-ssa-structalias.h (alias_info): Change the type of
12182 processed_ptrs to VEC(tree,heap) *.
12184 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12187 * config/sh/lib1funcs.h: New file, broken out of:
12188 * config/sh/lib1funcs.asm.
12189 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12191 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12192 * config/sh/lib1funcs-Os-4-200.asm: New file.
12193 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12194 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12195 (EXTRA_MULTILIB_PARTS): Include it.
12196 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12197 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12198 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12199 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12202 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12204 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12205 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12206 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12208 * tree-ssa-live.h: Include vecprim.h.
12209 (tree_partition_associator_d): Change the type of
12210 first_partition to VEC(int,heap) *.
12211 (tpa_first_partition): Use VEC instead of VARRAY.
12213 * Makefile.in (GTFILES): Move functions.h after tree.h.
12214 * function.c (reset_block_changes, record_block_change,
12215 check_block_change, free_block_changes): Use VEC instead of
12217 * function.h (function): Change the type of
12218 ib_boundaries_block to VEC(tree,gc) *.
12219 * tree-inline.c (copy_cfg_body): Initialize
12220 ib_boundaries_block to NULL instead of (varray_type) 0.
12222 2006-04-12 Roger Sayle <roger@eyesopen.com>
12224 * expr.c (emit_group_store): Correct operand order in call to
12225 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12226 a SUBREG_BYTE of zero.
12228 2006-04-12 Richard Guenther <rguenther@suse.de>
12230 * profile.c (compute_branch_probabilities): Remove code
12231 encapsulated in !ir_type (), which are remanents of the
12232 removed RTL profiling code.
12233 * rtl-profile.c: Remove.
12235 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12237 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12238 magic NULL_RTX comment.
12239 (function_arg): Store entire fp arg to mem if any part should go
12241 (rs6000_arg_partial_bytes): Adjust for above change.
12243 2006-04-11 Roger Sayle <roger@eyesopen.com>
12245 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12246 if it hasn't been initialized by dwarf2out_init.
12248 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12250 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12251 symbolic constants in branch patterns.
12253 2006-04-11 Roger Sayle <roger@eyesopen.com>
12255 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12257 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12259 PR rtl-optimization/27073
12260 * gcse.c (try_replace_reg): Revert last change. Continue to search
12261 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12264 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12266 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12267 aggregate types other than record and union types.
12268 (function_arg): Likewise.
12269 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12271 (function_value): In 64-bit mode, return objects that require it
12274 2006-04-11 Roger Sayle <roger@eyesopen.com>
12276 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12278 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12280 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12282 2006-04-03 Jeff Law <law@redhat.com>
12285 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12286 alias information too.
12288 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12290 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12292 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12295 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12296 (premark_used_types_helper): New.
12297 (premark_used_types): New.
12298 (gen_subprogram_die): Call premark_used_types.
12299 (prune_unused_types_walk): Do not prune perennial dies.
12300 * function.c (used_types_insert): New.
12301 * function.h (struct function): Add used_types_hash field.
12302 (used_types_insert): Add prototype.
12303 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12304 * c-parser.c (c_parser_cast_expression): Save casted types in used
12307 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12310 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12311 rs6000_explicit_options.float_gprs.
12313 2006-04-10 Roger Sayle <roger@eyesopen.com>
12315 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12316 from ix86_expand_vector_init_low_nonzero. Take an additional
12317 one_var argument indicating which element is non-zero. Support
12318 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12319 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12320 with one_var instead of ix86_expand_vector_init_low_nonzero.
12322 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12324 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12325 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12326 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12327 build/genextract.o): Depend on vecprim.h.
12328 * cfglayout.c, df-problems.c, function.c, genextract.c,
12329 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12330 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12334 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12336 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12337 Declare VECs of this type.
12338 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12339 (remove_children): Delete.
12340 (add_dwarf_attr): Use VEC routines.
12341 (add_AT_flag): Update for changes to add_dwarf_attr.
12342 (add_AT_int): Likewise.
12343 (add_AT_unsigned): Likewise.
12344 (add_AT_long_long): Likewise.
12345 (add_AT_vec): Likewise.
12346 (add_AT_string): Likewise.
12347 (add_AT_die_ref): Likewise.
12348 (add_AT_fde_ref): Likewise.
12349 (add_AT_loc): Likewise.
12350 (add_AT_loc_list): Likewise.
12351 (add_AT_addr): Likewise.
12352 (add_AT_lbl_id): Likewise.
12353 (add_AT_lineptr): Likewise.
12354 (add_AT_macptr): Likewise.
12355 (add_AT_offset): Likewise.
12356 (add_AT_range_list): Likewise.
12357 (get_AT): Use VEC_iterate.
12358 (remove_AT): Use VEC_ordered_remove.
12359 (free_die): Fold remove_children into here; have it use VEC_iterate.
12360 (print_die): Use VEC_iterate on attrs.
12361 (reverse_die_lists): Don't reverse attr lists.
12362 (die_checksum): Use VEC_iterate on attrs.
12363 (same_die_p): Likewise.
12364 (output_location_lists): Likewise.
12365 (build_abbrev_table): Likewise.
12366 (size_of_die): Likewise.
12367 (unmark_all_dies): Likewise.
12368 (output_abbrev_section): Likewise.
12369 (output_die): Likewise.
12370 (prune_unused_types_walk_attribs): Likewise.
12372 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12374 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12376 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12379 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12381 2006-04-09 Roger Sayle <roger@eyesopen.com>
12383 * expr.c (store_constructor): Don't bother clearing target if
12384 we're about to assign a vector to it using vec_init_optab.
12386 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12388 * tree-ssa-alias.c (lhs_may_store_to): New function.
12389 (recalculate_used_alone): Handle LHS of calls.
12391 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12395 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12396 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12397 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12398 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12399 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12400 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12401 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12402 stubs. Add ".align 8" directives before all ".dword" directives.
12403 (GTHREAD_USE_WEAK): Revise comment.
12404 (TARGET_ATTRIBUTE_WEAK): Define.
12405 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12406 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12407 * stublib.c: New file.
12412 * pa.md (cbranch patterns): Revise arguments used in calls to
12413 output_cbranch, output_bb and output_bvd. Add long branch length
12415 (fbranch patterns): Handle long branches.
12416 (jump): Revise length check. Revise arguments for output_lbranch call.
12417 Add long branch length attributes.
12418 (decrement_and_branch_until_zero): Add long branch length attributes.
12419 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12420 Likewise. Revise arguments for output_parallel_addb and
12421 output_parallel_movb calls.
12422 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12423 output_parallel_movb and output_parallel_addb): Update prototypes.
12424 * pa.c (output_cbranch): Revise arguments. Correct handling of
12425 nullification in long branches.
12426 (output_lbranch): Add new argument to control extraction of delay
12428 (output_bb): Handle long branches.
12429 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12430 output_parallel_addb): Likewise.
12432 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12434 PR rtl-optimization/27073
12435 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12438 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12440 * tree.h (tree_memory_tag): Add old_used_alone.
12441 (SMT_OLD_USED_ALONE): New macro.
12442 * tree-ssa-alias.c (recalculate_used_alone): Stop
12443 marking things for renaming unnecessarily.
12445 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12447 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12448 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12449 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12450 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12451 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12452 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12453 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12454 spelling convensions.
12455 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12456 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12457 typos. Follow spelling conventions.
12459 2006-04-07 DJ Delorie <dj@redhat.com>
12461 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12462 passed on the stack.
12463 (m32c_init_cumulative_args): When a function returns a structure,
12464 always pass the pointer to that return area on the stack.
12465 (m32c_function_arg_advance): Don't increment the parameter number
12466 if we're processing the returned structure pointer.
12467 (pushm_info): Reverse order of registers.
12469 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12471 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12472 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12473 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12474 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12475 build_int_cst_type.
12476 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12477 chrec_fold_multiply): Same.
12478 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12479 force_expr_to_var_cost): Same.
12480 * tree-mudflap.c (mf_xform_derefs_1): Same.
12481 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12483 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12485 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12486 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12489 2006-04-07 Jan Hubicka <jh@suse.cz>
12491 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12493 2006-04-07 Richard Guenther <rguenther@suse.de>
12495 PR tree-optimization/26135
12496 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12497 loads for store copy-prop.
12498 (copy_prop_visit_stmt): Likewise.
12500 2006-04-05 Robert Millan <robertmh@gnu.org>
12502 * config/i386/linux.h: Add a comment to mark macros that are
12503 being overriden in config/k*bsd-gnu.h.
12504 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12506 * config/knetbsd-gnu.h: Ditto.
12508 2006-04-06 Jan Hubicka <jh@suse.cz>
12512 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12515 2006-04-06 Mike Stump <mrs@apple.com>
12517 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12518 for HAVE_nonlocal_goto to be consistent.
12519 (expand_builtin_nonlocal_goto): Likewise.
12520 (expand_builtin_strcmp): Use #ifdef instead of #if
12521 for HAVE_cmpstrnsi to be consistent.
12523 2006-04-05 DJ Delorie <dj@redhat.com>
12525 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12528 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12530 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12531 got-relative addressing for anything but SImode.
12533 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12534 even if the calling function doesn't modify them.
12536 2006-04-05 Richard Guenther <rguenther@suse.de>
12538 PR tree-optimization/26919
12539 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12540 to cgraph_estimate_size_after_inlining.
12542 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12544 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12546 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12548 PR tree-optimization/26996
12549 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12550 VECTOR_TYPE variables.
12552 2006-04-05 Richard Guenther <rguenther@suse.de>
12554 PR tree-optimization/26763
12555 * fold-const.c (fold_comparison): Move folding of
12556 PTR + CST CMP PTR + CST ...
12557 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12559 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12561 * doc/install.texi (Prerequisites): Refine some wording on
12562 bootstrapping and ksh.
12563 Move the version numbers of DejaGnu here from the testing section
12564 and fix casing of names.
12565 Fix markup and clarify wording for autogen requirements.
12566 Refer to GCJ instead of just java.
12567 Refer to SVN instead of CVS.
12568 Describe diffutils as useful instead of necessary.
12569 (Downloading the source): Refer to SVN instead of CVS.
12570 Adjust a link to our web site accordingly.
12571 (Configuration): Fix casing of Bison.
12572 (Building): Refer to SVN instead of CVS.
12573 Fix a sentence on the use of Bison and remove duplicate (and
12574 incorrect) version number of Bison requirement.
12575 Remove one redundant list of packages needed for building.
12576 (Specific): Avoid reference to CVS.
12578 2006-04-04 Eric Christopher <echristo@apple.com>
12580 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12581 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12582 (rs6000_handle_struct_attribute): New.
12583 (rs6000_ms_bitfield_layout_p): Ditto.
12585 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12587 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12588 NULL for dso parameter to atexit_common.
12590 2006-04-04 Eric Christopher <echristo@apple.com>
12592 * config/i386/i386.c (machopic_output_stub): Output \t
12593 between instructions and operands.
12595 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12597 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12598 satisfies_constraint_[IL] to explicit tests on value.
12600 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12602 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12603 set_nb_iterations_in_loop): Use build_int_cst instead of
12604 build_int_cst_type.
12605 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12606 build_int_cst instead of convert.
12608 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12610 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12611 new value 2 for incoming.
12612 * function.c (expand_function_start): Call struct_value_rtx
12613 with incoming as 2.
12614 * config/sparc/sparc.md: Comment updated_return.
12615 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12616 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12617 struct return if sparc_std_struct_return and incoming is 2.
12618 (print_operand): Do not adjust return if
12619 sparc_std_struct_return.
12621 2006-04-04 Roger Sayle <roger@eyesopen.com>
12623 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12624 convert in the middle-end.
12625 * expr.c (store_expr, store_constructor, get_inner_reference,
12626 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12628 * tree.c (build_range_type): Likewise.
12630 2006-04-04 Tom Tromey <tromey@redhat.com>
12632 * doc/install.texi (Prerequisites): Mention jar.
12634 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12636 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12639 2006-04-04 Matthias Klose <doko@debian.org>
12641 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12645 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12648 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12650 * doc/extend.texi (Function Attributes): Rewrite visibility
12651 attribute documentation.
12652 * doc/invoke.texi (C++ Dialect Options): Rewrite
12653 -fvisibility-inlines-hidden documentation to describe something
12654 entirely different, although in practise compatible.
12655 (Code Gen Options): Warn about system headers in -fvisibility=
12658 * doc/extend.texi (Other Builtins): Document that
12659 __builtin_nan is a compile-time constant only when its argument
12662 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12664 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12665 trying to remove TRUNCATE check if all bits outside the new mode
12666 are identical to the sign bit.
12668 2006-04-03 Jeff Law <law@redhat.com>
12670 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12671 and operand scanning in some common cases.
12673 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12674 Dale Johannesen <dalej@apple.com>
12677 * regclass.c (struct reg_pref): Update documentation.
12678 (regclass): Set prefclass to NO_REGS if memory is the best option.
12679 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12680 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12681 into account. For non-registers, equate an empty preferred
12682 reload class to a `!' in the constraint; move the if clause to
12683 do so after those that reject the insn.
12684 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12686 (find_dummy_reload): Likewise.
12687 * doc/tm.texi (Register Classes): Document what it means
12688 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12689 * config/i386/i386.c (ix86_preferred_reload_class): Force
12690 using SSE registers (and return NO_REGS for floating-point
12691 constants) if math is done with SSE.
12692 (ix86_preferred_output_reload_class): New.
12693 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12694 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12695 * config/i386/i386.md: Remove # register preferences.
12697 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12700 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12701 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12702 the type of nb_iter.
12703 (instantiate_parameters_1): Convert the operands before calling
12704 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12705 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12707 2006-04-02 Roger Sayle <roger@eyesopen.com>
12709 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12710 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12711 instead of convert.
12712 * dojump.c (do_jump): Likewise.
12713 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12714 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12715 gimplify_boolean_expr): Likewise.
12716 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12717 * varasm.c (array_size_for_constructor): Likewise.
12718 * tree-object-size.c (compute_object_offset): Likewise.
12720 2006-04-02 Roger Sayle <roger@eyesopen.com>
12722 PR middle-end/26977
12723 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12724 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12726 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12728 PR tree-optimization/26939
12729 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12731 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12733 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12734 at_stmt. Convert the type of operands before calling
12735 build_polynomial_chrec.
12736 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12737 add_to_evolution_1.
12738 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12739 (instantiate_parameters_1): Convert the type of operands before calling
12740 build_polynomial_chrec.
12741 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12742 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12743 reset_evolution_in_loop): Insert asserts to check the types of the
12745 (chrec_type): Moved...
12746 (eq_evolutions_p): Use operand_equal_p.
12747 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12748 the types of the operands.
12749 (chrec_type): ...here.
12750 * tree-data-ref.c (create_data_ref): Convert the operands before
12751 calling chrec_replace_initial_condition.
12752 (same_access_functions, analyze_subscript_affine_affine,
12753 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12754 (compute_subscript_distance, analyze_ziv_subscript,
12755 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12756 analyze_miv_subscript): Convert the operands before calling
12757 chrec_fold_minus or chrec_fold_plus.
12759 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12761 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12762 the dependence_relations vector.
12763 (compute_data_dependences_for_loop): Adjust call to
12764 compute_all_dependences.
12766 2006-04-01 Roger Sayle <roger@eyesopen.com>
12767 Richard Henderson <rth@redhat.com>
12769 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12770 gimple_boolify on the condition before calling gimplify_expr.
12772 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12774 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12775 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12776 the frame size. Update to use the new macros.
12777 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12778 * config/xtensa/ieee754-df.S: Likewise.
12780 2006-03-31 Richard Henderson <rth@redhat.com>
12782 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12783 (make_edges): ... here. Control fallthru creation with a local
12784 variable. Do not play with fake edges.
12785 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12786 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12789 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12791 * dwarf2.h (DW64_CIE_ID): Define.
12792 * dwarf2out.c (DWARF_CIE_ID): Define.
12793 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12794 length header. Use DWARF_CIE_ID.
12795 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12796 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12798 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12800 * config/sh/linux-atomic.asm: New file.
12801 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12803 2006-03-31 DJ Delorie <dj@redhat.com>
12805 * config/m32c/cond.md: Set condition flags properly throughout.
12806 * config/m32c/minmax.md: Likewise.
12807 * config/m32c/prologue.md: Likewise.
12808 * config/m32c/bitops.md: Likewise.
12809 * config/m32c/muldiv.md: Likewise.
12810 * config/m32c/mov.md: Likewise.
12811 * config/m32c/addsub.md: Likewise.
12812 * config/m32c/m32c.md: Likewise.
12813 * config/m32c/jump.md: Likewise.
12814 * config/m32c/shift.md: Likewise.
12816 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12817 conditionally output the pattern for this.
12818 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12819 (m32c_compare_redundant): New.
12820 (m32c_output_compare): New.
12821 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12823 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12824 dest, not src. Allow other 4-byte modes.
12826 2006-03-30 Denis Chertykov <denisc@overta.ru>
12828 * doc/md.texi: Refer to avr/constraints.md instead of
12831 2006-03-30 Roger Sayle <roger@eyesopen.com>
12833 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12834 signed vs. unsigned comparison failures on some hosts.
12836 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12839 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12840 change to FLOAT_REGS.
12842 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12843 (rs6000_override_options): Use it.
12844 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12845 only for -mabi=spe/no-spe and -mabi=altivec.
12847 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12849 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12852 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12854 * Makefile.in: Rename docdir to gcc_docdir.
12856 2006-03-30 Roger Sayle <roger@eyesopen.com>
12859 * expr.c (emit_group_store): Optimize group stores into a pseudo
12860 register by using a paradoxical subreg to initialize the destination
12861 if the first or last member of the group specifies a "low part".
12863 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12866 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12867 * target.h (struct gcc_target.speculate_insn): Change type of the
12868 second parameter to 'int'.
12869 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12870 the second operand of the DEPS_LIST.
12871 (copy_DEPS_LIST_list): Update reference to the second operand of the
12873 * rtl.h (alloc_DEPS_LIST): Update signature.
12874 * sched-int.h (ds_t): Change typedef to 'int'.
12875 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12877 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12879 * haifa-sched.c (try_ready): Change condition to restore
12880 non-speculative pattern of the instruction.
12881 (process_insn_depend_be_in_spec): Code to keep probability of the
12882 speculative dependence non-decreasing.
12884 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12886 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12887 (single_move_for_movmem): ... this. Also change all uses.
12888 (bfin_expand_strmov): Renamed to...
12889 (bfin_expand_movmem): ... this. Also change all uses.
12890 * config/bfin/bfin.md (movstrsi): Renamed to...
12891 (movstrsi): ...this.
12893 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12895 PR tree-optimization/26830
12897 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12898 (copy_prop_visit_stmt): Remove write-only variable ann.
12899 (init_copy_prop): Check variable loop depth here. Do not simulate
12900 memory-tag and virtual operand PHIs except for store copy prop.
12902 2006-03-30 Richard Guenther <rguenther@suse.de>
12904 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12905 variants with double arguments.
12907 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12909 * genpreds.c (write_tm_constrs_h): Delete variable p.
12910 * genconditions.c (write_header): Add tm-constrs.h to included
12912 * genpeep.c (main): Add toplev.h to included headers.
12913 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12914 (build/genpeep.o): Add toplev.h dependency.
12915 * config/rs6000/constraints.md: Add "W" constraint.
12917 2006-03-29 Roger Sayle <roger@eyesopen.com>
12919 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12920 sizes by correctly testing whether the size fits a host integer.
12921 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12922 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12923 SImode range for the default sizetype and bitsizetype.
12925 2006-03-29 Roger Sayle <roger@eyesopen.com>
12927 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12928 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12929 quickly if the argument is already of the correct type.
12930 Call fold_build1 instead of build1. Tidy up blank lines.
12932 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12934 * genemit.c (main): Add tm-constrs.h to included headers.
12935 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12936 * genpeep.c (main): Add tm-constrs.h to included headers.
12937 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12938 (write_tm_constrs_h): this and write complete file.
12939 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12940 (write_insn_preds_c): Add tm-constrs.h to included headers.
12941 (gen_constrs): New variable.
12942 (parse_option): Parse "-c".
12943 (main): Invoke write_tm_constrs_h.
12944 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12945 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12946 (object_out_file): Add tm-constrs.h dependency.
12947 (insn-emit.o): Same.
12948 (insn-output.o): Same.
12949 (insn-peep.o): Same.
12950 (insn-preds.o): Same.
12951 (insn-recog.o): Same.
12952 (tm-constsr.h): New target.
12953 (s-constrs-h): New target.
12955 * config/rs6000/constraints.md: New file.
12956 * config/rs6000/rs6000.c: Include tm-constrs.h.
12957 (num_insn_constant_wide): Convert to satisfies_constraint.
12958 (rs6000_rtx_costs): Convert to satisfies_constraint.
12959 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12960 (CONST_OK_FOR_LETTER_P): Delete.
12961 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12962 (EXTRA_CONSTRAINT): Delete.
12963 (EXTRA_MEMORY_CONSTRAINT): Delete.
12964 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12965 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12966 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12967 satisfies_constraint.
12969 * config/i386/i386.c: Include tm-constrs.h.
12971 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12973 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12974 * tree-data-ref.c (find_data_references_in_loop,
12975 compute_data_dependences_for_loop): Use pointers to VEC.
12976 (analyze_all_data_dependences): Adjust calls.
12977 * tree-data-ref.h (find_data_references_in_loop,
12978 compute_data_dependences_for_loop): Adjust declarations.
12979 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12980 compute_data_dependences_for_loop.
12982 2006-03-29 Paul Brook <paul@codesourcery.com>
12984 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12985 (movdf_vfp): Ditto.
12987 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12989 PR tree-optimization/26859
12990 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12992 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12993 for the step after fold_convert.
12995 2006-03-29 Paul Brook <paul@codesourcery.com>
12997 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12998 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13000 2006-03-29 Paul Brook <paul@codesourcery.com>
13002 PR middle-end/23623
13003 * targhooks.c (default_narrow_bitfield): New fuction.
13004 * targhooks.h (default_narrow_bitfield): add prototype.
13005 * target.h (gcc_target): Add narrow_volatile_bitfield.
13006 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13007 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13008 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13009 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13011 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13013 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13015 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13016 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13017 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13018 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13019 (s390_function_arg_float): Allow SDmode and DDmode values to be
13020 passed in floating point registers.
13021 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13022 check with SCALAR_FLOAT_MODE_P.
13023 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13025 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13027 PR tree-optimization/25985
13028 * tree-ssa-loop-niter.c (number_of_iterations_le,
13029 number_of_iterations_ne): Make comments more precise.
13030 (number_of_iterations_cond): Add only_exit argument. Use the
13031 fact that signed variables do not overflow only when only_exit
13033 (loop_only_exit_p): New.
13034 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13035 number_of_iterations_cond.
13037 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13039 PR tree-optimization/26643
13040 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13043 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13045 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13046 (divsi3_i4_int): Likewise.
13048 2006-03-28 Roger Sayle <roger@eyesopen.com>
13050 * expr.c (emit_group_store): Only create a new pseudo reg if the
13051 quantity it needs to hold isn't already a suitable pseudo.
13053 2006-03-28 Jeff Law <law@redhat.com>
13055 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13056 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13058 2006-03-28 Roger Sayle <roger@eyesopen.com>
13060 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13061 the equivalent ~X & Y, and the symmetry related transformations.
13062 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13063 ~X & Y, and symmetry related transforms.
13065 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13067 Revert my 2006-03-27 patches.
13069 2006-03-28 Roger Sayle <roger@eyesopen.com>
13071 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13072 ~(T1)X, when T1 and T2 are integer types of the same precision
13073 and (T2)X isn't an extension.
13075 2006-03-28 Jeff Law <law@redhat.com>
13077 PR tree-optimization/26796
13078 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13079 need EH edge cleanups rather than purging them immediately.
13080 (eliminate_degenerate_phis): Handle queued EH cleanups.
13082 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13084 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13087 2006-03-27 Roger Sayle <roger@eyesopen.com>
13089 PR middle-end/22524
13090 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13091 cast BIT_NOT_EXPR operand to the correct type.
13093 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13095 * tree-loop-linear.c: Don't include varray.h.
13096 (gather_interchange_stats, try_interchange_loops,
13097 linear_transform_loops): Use VEC instead of VARRAY.
13098 * lambda-mat.c: Don't include varray.h.
13099 * tree-chrec.c: Same.
13100 * lambda-trans.c: Same.
13101 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13102 VEC instead of VARRAY.
13103 * tree-vectorizer.h: Idem.
13104 * tree-data-ref.c (dump_data_references,
13105 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13106 initialize_data_dependence_relation, finalize_ddr_dependent,
13107 compute_all_dependences, find_data_references_in_loop,
13108 compute_data_dependences_for_loop, analyze_all_data_dependences,
13109 free_dependence_relation, free_dependence_relations,
13110 free_data_refs): Idem.
13111 * tree-data-ref.h (data_reference_p, subscript_p): New.
13112 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13113 VEC instead of VARRAY.
13114 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13115 (find_data_references_in_loop, compute_data_dependences_for_loop,
13116 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13117 dump_data_dependence_relations, free_dependence_relations,
13118 free_data_refs): Adjust declaration.
13119 (lambda_transform_legal_p): Move declaration here...
13120 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13121 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13122 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13123 vect_analyze_data_refs): Use VEC instead of VARRAY.
13124 * lambda.h (lambda_transform_legal_p): ...from here.
13125 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13126 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13127 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13128 tree-chrec.o): Don't depend on VARRAY_H.
13130 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13132 * rtl.def (Copyright): Update date.
13133 (DEPS_LIST): Change type of the second operand to 'int'.
13134 * target.h (Copyright): Update date.
13135 (struct gcc_target.speculate_insn): Change type of the second parameter
13137 * lists.c (Copyright): Update date.
13138 (alloc_DEPS_LIST): Change signature. Update reference to the second
13139 operand of the DEPS_LIST.
13140 (copy_DEPS_LIST_list): Update reference to the second operand of the
13142 * rtl.h (Copyright): Update date.
13143 (alloc_DEPS_LIST): Update signature.
13144 * sched-int.h (Copyright): Update date.
13145 (ds_t): Change typedef to 'int'.
13146 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13148 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13150 * haifa-sched.c (Copyright): Update date.
13151 (try_ready): Change condition to restore non-speculative pattern
13152 of the instruction.
13153 (process_insn_depend_be_in_spec): Code to keep probability of the
13154 speculative dependence non-decreasing.
13156 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13158 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13159 shut up the compiler.
13161 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13163 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13164 to use lib prefix for target.
13165 ($(T)libic_invalidate_array_4-200.a): Likewise.
13166 ($(T)libic_invalidate_array_4a.a): Likewise.
13168 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13169 J"orn Rennecke <joern.rennecke@st.com>
13171 * superh.opt: New file.
13172 * sh.c (boardtype, osruntime): Remove.
13173 * superh.h (SUBTARGET_OPTIONS): Remove.
13174 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13176 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13177 arguments with ^ and/or [].
13179 * config.gcc (sh-*-*): Add quoting to account for quirk of
13181 Replace == with = in enable_incomplete_targets test.
13183 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13184 with MASK_LITTLE_ENDIAN.
13186 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13187 * config/sh/sh.opt: Added to some comments.
13188 * config/sh/superh.h: Removed some chaff.
13190 * config/sh/sh.opt: Add m4-[1234]00* options.
13191 * config/sh/sh.c (sh_handle_option): Likewise.
13192 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13193 (ic_invalidate_array_4-100.o): New rule.
13194 ($(T)libic_invalidate_array_4-100.a): Likewise.
13195 (ic_invalidate_array_4-200.o): Likewise.
13196 ($(T)libic_invalidate_array_4-200.a): Likewise.
13197 (ic_invalidate_array_4a.o): Likewise.
13198 ($(T)libic_invalidate_array_4a.a): Likewise.
13199 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13200 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13202 * config/sh/crt1.asm: Merged in profiling code.
13203 * config/sh/superh.h (STARTFILE_SPEC): Override.
13204 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13205 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13206 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13208 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13209 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13210 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13212 * sh.opt (mpretend-cmove): New option.
13213 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13214 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13215 (movsicc): Add TARGET_PRETEND_CMOVE code.
13217 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13219 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13220 s390_class_max_nregs): New function prototypes.
13221 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13222 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13223 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13224 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13226 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13228 * dwarf2out.c (add_location_or_const_value_attribute): Call
13229 tree_add_const_value_attribute if nothing else works.
13230 (reference_to_unused): New.
13231 (rtl_for_decl_init): Use reference_to_unused to decide whether
13232 to output an initializer.
13234 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13237 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13238 peephole removing spe frob_di_df_2.
13240 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13242 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13243 (subscript_dependence_tester_1): Declared.
13244 (print_dir_vectors, print_dist_vectors): New.
13245 (debug_data_dependence_relation): New.
13246 (dump_data_dependence_relation): Print more details.
13247 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13248 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13249 (save_dist_v, save_dir_v, add_outer_distances,
13250 build_classic_dist_vector_1): New.
13251 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13252 Don't test for lambda_vector_lexico_pos.
13253 (same_access_functions, add_multivariate_self_dist,
13254 add_other_self_distances, dir_from_dist): New.
13255 (build_classic_dir_vector): Replace implementation almost identical to
13256 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13258 (subscript_dependence_tester_1): New.
13259 (subscript_dependence_tester): Handle the lexicographically negative
13260 distance vectors by recomputing the dependence relation.
13261 (compute_affine_dependence): Remove parameter loop_nest_depth.
13262 (compute_self_dependence): Don't call compute_subscript_distance.
13263 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13264 Add a parameter for the loop_nest.
13265 (find_loop_nest_1, find_loop_nest): New.
13266 (compute_data_dependences_for_loop): Compute the loop nest, and give
13267 up if the nest is not well formed.
13268 * tree-data-ref.h (loop_p): New.
13269 (struct data_dependence_relation): Replace size_vect field with
13270 loop_nest, a vec of loops.
13271 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13272 (DDR_LOOP_NEST): New.
13273 (print_dir_vectors, print_dist_vectors,
13274 debug_data_dependence_relation): Declared.
13275 (index_in_loop_nest): New.
13276 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13277 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13280 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13282 * simplify-rtx.c (simplify_relational_operation): Call
13283 simplify_relational_operation_1 even if mode is VOIDmode.
13285 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13287 PR tree-optimization/26804
13288 * tree.h (DECL_CALL_CLOBBERED): New macro.
13289 (tree_decl_common): Add call_clobbered_flag.
13290 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13291 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13292 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13293 (mark_non_addressable): Ditto.
13294 * tree-ssa.c (verify_call_clobbered): New function.
13295 (verify_alias_info): Use it.
13296 * tree-pass.h (pass_reset_cc_flags): New prototype.
13297 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13298 (reset_cc_flags): New function.
13299 * passes.c (init_optimization_passes): Call reset_cc_flags after
13300 initializing referenced_vars.
13302 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13303 Roger Sayle <roger@eyesopen.com>
13305 PR middle-end/26717
13306 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13307 to 1.0 for non-real operands. Implement A / A optimization for
13310 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13312 * config/i386/i386.c (size_cost): Correct the comment for
13313 cost of storing fp registers.
13314 (i386_cost): Likewise.
13315 (i486_cost): Likewise.
13316 (pentium_cost): Likewise.
13317 (pentiumpro_cost): Likewise.
13318 (k6_cost): Likewise.
13319 (athlon_cost): Likewise.
13320 (k8_cost): Likewise.
13321 (pentium4_cost): Likewise.
13322 (nocona_cost): Likewise.
13323 (generic64_cost): Likewise.
13324 (generic32_cost): Likewise.
13326 2006-03-24 Denis Chertykov <denisc@overta.ru>
13328 * config/avr/avr-protos.h (extra_constraint): Delete.
13329 (extra_constraint_Q): New declaration.
13330 * config/avr/constraints.md: New file.
13331 * config/avr/avr.md: Include it.
13332 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13333 (TMP_REGNO, ZERO_REGNO): Likewise.
13334 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13335 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13336 (extra_constraint): Delete.
13337 (extra_constraint_Q): Test for memory constraint 'Q'.
13338 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13339 (REG_CLASS_FROM_LETTER): Delete.
13340 (CONST_OK_FOR_LETTER_P): Delete.
13341 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13342 (EXTRA_CONSTRAINT): Delete.
13343 (TMP_REGNO): Delete.
13344 (ZERO_REGNO): Delete.
13346 2006-03-24 Jeff Law <law@redhat.com>
13348 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13349 directly. Call mark_new_vars_to_rename slightly earlier.
13351 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13353 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13354 (is_cxx): Likewise.
13355 (gen_compile_unit_die): Use new language types for Objective-C and
13357 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13358 DW_LANG_C_plus_plus.
13361 * config/t-darwin (crt3.o): Work around bug 26840.
13362 * config/darwin-crt3.c: Rewrite.
13363 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13365 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13367 * doc/invoke.texi: Document -femit-class-debug-always
13368 * common.opt: Add -femit-class-debug-always.
13370 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13372 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13373 index and base register.
13374 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13375 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13376 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13377 REGNO_OK_FOR_INDEX_P.
13378 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13380 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13381 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13382 REG_OK_FOR_BASE_P): Definitions removed.
13384 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13386 PR middle-end/26611
13387 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13388 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13389 set yet or weren't marked as local yet.
13391 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13393 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13396 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13398 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13399 (rs6000_legitimate_small_data_p): Delete.
13400 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13401 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13402 and make static. Add forward declaration. Update uses.
13403 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13404 of offsettable_memref_p.
13405 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13406 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13408 2006-03-24 Jeff Law <law@redhat.com>
13410 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13411 around bug in immediate-use iterator.
13413 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13416 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13417 or __LITTLE_ENDIAN__.
13419 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13421 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13422 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13423 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13424 * config/sh/sh.opt (mdiv=): Amend description.
13425 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13426 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13427 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13428 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13429 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13430 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13431 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13432 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13433 TARGET_DIVIDE_CALL_FP.
13435 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13437 * haifa-sched.c (choose_ready): Fix type of the local variable.
13438 Move local variables. Add comment.
13439 (check_reg_live): Change signature. Make callable from debugger.
13440 * sched-int.h (check_reg_live): Update signature.
13441 * sched-ebb.c (check_reg_live): Update parameters.
13442 * sched-rgn.c (check_reg_live): Ditto.
13443 (region_head_or_leaf_p): Check pointer before dereferencing.
13444 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13445 before reload on optimization levels below 1.
13447 2006-03-23 Richard Henderson <rth@redhat.com>
13449 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13453 * config/alpha/predicates.md (local_symbolic_operand): Reject
13456 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13459 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13460 expressions which have overflowed constants.
13462 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13464 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13466 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13468 * cfgloopmanip.c (create_loop_notes): Removed.
13469 * final.c (final_scan_insn): Do not handle loop notes.
13470 * jump.c (squeeze_notes): Ditto.
13471 * cfglayout.c (skip_insns_after_block,
13472 duplicate_insn_chain): Ditto.
13473 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13475 * cfgloop.h (create_loop_notes): Declaration removed.
13477 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13479 * varasm.c (output_constant_pool): Restore fnname and fndecl
13481 (assemble_start_function): Adjust call accordingly.
13482 (assemble_end_function): Likewise.
13484 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13487 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13490 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13492 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13495 * system.h (ICE_EXIT_CODE): New macro.
13496 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13497 (diagnostic_action_after_output): Likewise.
13498 * gcc.c (fatal_ice): New function.
13499 (execute): Use it instead of fatal.
13500 (fancy_abort): Likewise.
13501 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13503 2006-03-22 Jeff Law <law@redhat.com>
13505 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13506 iv_analyze_result returning false.
13508 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13510 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13512 2006-03-22 Richard Henderson <rth@redhat.com>
13514 PR middle-end/26084
13515 * except.c (duplicate_eh_regions_0): New.
13516 (duplicate_eh_region_1): Duplicate the children of the node as
13517 well as the node itself. Link them up properly.
13518 (duplicate_eh_region_2): Merge into ...
13519 (duplicate_eh_regions): ... here. Take copy_region argument, and
13520 copy only a sub-tree if asked. Simplify copying and fixup.
13521 (eh_region_outer_p): New.
13522 * except.h (duplicate_eh_regions): Update decl.
13523 (eh_region_outer_p): Declare.
13524 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13525 (lower_omp_master): Likewise.
13526 (lower_omp_ordered): Likewise.
13527 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13528 (move_stmt_r): Use it to remap labels. Handle recursion vs
13529 remap_decls_p properly.
13530 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13531 (find_outermost_region_in_block): New.
13532 (new_label_mapper): New.
13533 (move_sese_region_to_fn): Copy eh information to the new function
13535 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13537 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13540 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13542 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13543 into shared libraries.
13545 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13547 * doc/md.texi: Refer to i386/constraints.md instead of
13548 i386/predicates.md.
13549 * config/i386/constraints.md: New file, extracted from...
13550 * config/i386/predicates.md: ...here.
13551 * config/i386/i386.md: Include constraints.md.
13553 2006-03-21 Jason Merrill <jason@redhat.com>
13555 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13557 PR middle-end/20297
13558 * expr.c (init_block_move_fn): Force default visibility.
13559 (init_block_clear_fn): Likewise.
13560 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13561 * targhooks.c (default_external_stack_protect_fail): Likewise.
13563 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13565 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13566 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13567 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13568 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13569 (loadgp): Use mips_current_loadgp_style.
13570 (loadgp_noshared): New pattern.
13571 (sibcall_internal): Use MIPS_CALL.
13572 (sibcall_value_internal): Likewise.
13573 (sibcall_value_multiple_internal): Likewise.
13574 (call_internal): Likewise.
13575 (call_value_internal): Likewise.
13576 (call_value_multiple_internal): Likewise.
13577 (call_split): Use MIPS_CALL and add an 'S' constraint.
13578 (call_value_split): Likewise.
13579 (call_value_multiple_split): Likewise.
13580 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13581 (-mshared): New option.
13582 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13583 (mips_current_loadgp_style): Declare.
13584 * config/mips/mips.c (mips_classify_symbol): Avoid using
13585 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13586 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13587 TARGET_ABSOLUTE_ABICALLS.
13588 (override_options): Adjust comments. Improve the warning that is
13589 issued when -mabicalls and -G are used together.
13590 (mips_file_start): Remove comment.
13591 (mips_current_loadgp_style): New function.
13592 (mips_gnu_local_gp): New variable.
13593 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13595 (mips_output_function_prologue): Use mips_current_laodgp_style.
13596 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13597 the cprestore instruction.
13598 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13599 live for TARGET_ABSOLUTE_ABICALLS.
13600 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13601 (ASM_SPEC): Pass down -mshared and -mno-shared.
13602 (MIPS_CALL): New macro.
13603 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13605 * doc/invoke.texi (-mabicalls): Update documentation.
13606 (-mshared): Document.
13608 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13610 * config/ia64/unwind-hpux.c: New file.
13611 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13613 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13616 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13618 2006-03-21 Jeff Law <law@redhat.com>
13620 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13621 type conversions of a VR_VARYING source to a wider type.
13623 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13625 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13626 tm_file on Solaris 10 and later.
13627 (sparc64-*-solaris2*): Likewise.
13628 (sparc-*-solaris2*): Likewise.
13629 * config/sol26.h: Rename to config/sol2-6.h.
13630 * config/sol2-10.h: New file.
13632 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13635 * tree-ssa-pre.c (create_component_ref_by_pieces):
13638 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13641 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13642 return it immediately.
13644 2006-03-21 Michael Matz <matz@suse.de>
13646 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13648 (remove_arc, add_arc): Update num_out_arcs member.
13649 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13651 (cache_presence): New function.
13652 (compare_states_for_equiv): New function.
13653 (state_is_differed): Don't take number of outargs, adjust callers.
13654 Use new invariant for speeding up.
13655 (init_equiv_class): Create initial classes based on sorted
13657 (partition_equiv_class): Don't track out_arcs_num.
13658 (evaluate_equiv_classes): Call cache_presence on all states and
13661 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13663 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13664 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13665 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13666 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13668 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13669 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13670 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13671 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13672 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13674 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13675 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13676 (REGNO_REG_CLASS): ARGP is in PREGS.
13677 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13679 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13680 to deal with those addresses.
13681 * addresses.h: New file.
13682 * caller-save.c: Include "addresses.h".
13683 (init_caller_save): Use new base_reg_class function.
13684 * rtl-factoring.c: Include "addresses.h".
13685 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13686 * recog.c: Include "addresses.h".
13687 (preprocess_constraints): Use new base_reg_class function.
13688 * regrename.c: Include "addresses.h".
13689 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13690 functions. Keep track of a new var INDEX_CODE to compute valid
13692 (replace_oldest_value_addr): Likewise.
13693 (replace_oldest_value_mem): Use base_reg_class.
13694 * reload.c: Include "addresses.h".
13695 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13696 (find_reloads): Use new base_reg_class function.
13697 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13698 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13699 all callers and prototype changed.
13700 * reload1.c: Include "addresses.h".
13701 (maybe_fix_stack_asms): Use base_reg_class.
13702 * regclass.c: Include "addresses.h".
13703 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13704 (init_reg_autoinc): Use new base_reg_class function.
13705 (record_reg_classes): Likewise.
13706 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13707 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13708 Use new args to compute necessary class.
13710 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13711 regrename.o, rtl-factoring.o): Update dependencies.
13712 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13713 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13714 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13715 REG_OK_FOR_INDEX_P): Delete documentation.
13717 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13719 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13720 from V7 to V9 for Solaris 7 and above.
13722 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13724 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13725 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13726 argument pointers may not alias any other storage.
13727 * common.opt: Define option -fargument-noalias-anything.
13728 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13729 alias semantics is specified by flag_argument_noalias > 2.
13731 2006-03-20 Jeff Law <law@redhat.com>
13733 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13734 (pass_phi_only_cprop): Declare.
13735 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13736 with phi_only_cprop
13737 * tree-ssa-dom.c (degenerate_phi_result): New function.
13738 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13739 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13740 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13741 (eliminate_degenerate_phis): Likewise.
13742 (pass_phi_only_cprop): New pass descriptor.
13743 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13744 support code. Callers updated.
13745 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13746 (store_copy_prop): Likewise.
13747 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13749 2006-03-20 Jason Merrill <jason@redhat.com>
13752 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13753 (push_visibility, pop_visibility): Likewise.
13754 * c-pragma.h: Declare them.
13756 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13758 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13760 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13761 parameter and use get_ebb_head_tail.
13762 (sh_md_init_global): Adjust uses of find_regmode_weight.
13764 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13766 * function.h (struct function) <x_tail_recursion_reentry>:
13767 Rename to x_stack_check_probe_note.
13768 (tail_recursion_reentry): Rename to stack_check_probe_note.
13769 * function.c: Replace tail_recursion_reentry with
13770 stack_check_probe_note everywhere.
13771 (expand_function_start): Only emit a note for
13772 stack_check_probe_note with -fstack-protect.
13773 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13775 * emit-rtl.c (remove_unnecessary_notes): Remove.
13776 (pass_remove_unnecessary_notes): Remove.
13777 * rtl.h (remove_unnecessary_notes): Remove prototype.
13778 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13779 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13780 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13782 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13785 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13786 (valid_in_set): Handle ARRAY_REF.
13787 Change "if min_variant or VH" to asserts.
13788 (create_component_ref_by_pieces): Handle ARRAY_REF.
13789 (create_expression_by_pieces): Likewise.
13790 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13792 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13794 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13795 is operand of switch, not str[0].
13797 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13799 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13800 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13802 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13804 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13805 end of insn_extra_address_constraint declaration.
13807 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13809 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13810 (no-sum-in-toc): Same.
13811 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13813 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13814 NO_FP_IN_TOC for -fPIC instead of mask.
13816 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13817 (BOOT_LDFLAGS): Delete.
13819 * config/rs6000/t-aix52: Same.
13821 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13822 (stmsi[345678]_power): New.
13824 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13826 * config/ia64/ia64.opt: Add empty line to end of file.
13828 2006-03-17 Richard Guenther <rguenther@suse.de>
13830 PR middle-end/26721
13831 * builtins.c (get_pointer_alignment): For component style references
13832 adjust alignment to the component type alignment. Make sure
13833 to adjust alignment for component access of constants.
13835 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13837 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13838 unconditional jump.
13840 2006-03-17 Paul Brook <paul@codesourcery.com>
13842 * doc/install.texi: Docuemnt --with-mode.
13843 * config.gcc: Add --with-mode for arm*-*-*.
13844 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13846 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13848 * sh.c (max_labelno_before_reorg): New variable.
13849 (sh_reorg): Initialize it.
13850 (find_barrier): Check max_labelno_before_reorg before using
13851 label_to_alignment. Take length of explicit alignment insns
13852 into account. When seeing a UNSPECV_CONST_END, return it.
13854 * sh.c (fixup_mova): Set mode of affected label to QImode.
13855 (untangle_mova): New function.
13856 (find_barrier): Use it. Check mode of label before decrementing
13858 (sh_reorg): Likewise.
13859 Set mode of all insns back to VOIDmode.
13861 * sh.c (MOVA_LABELREF): New macro.
13862 (mova_p, fixup_mova, sh_reorg): Use it.
13863 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13864 ADDR_DIFF_VEC matches mova.
13866 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13868 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13869 with ATTRIBUTE_UNUSED.
13871 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13873 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13874 pointer, instead of assuming it is possible to derive the
13875 correct args size from a call insn.
13877 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13879 * rtl.h (CONST_INT_P): Define.
13880 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13881 instead of GET_CODE(x) == CONST_INT.
13882 (vax_rtx_costs): Likewise.
13883 (vax_output_int_move): Likewise.
13884 (vax_output_int_add): Likewise.
13885 (legitimate_constant_address_p): Likewise.
13886 (index_term_p): Likewise.
13887 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13888 * config/vax/vax.md (and<mode>3): Likewise.
13889 (ashrsi3): Likewise.
13891 (movstricthi): Likewise.
13892 (movstrictqi): Likewise.
13893 (rotrsi3): Likewise.
13894 (five unnamed insns): Likewise.
13896 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13898 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13899 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13900 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13901 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13902 Pass to ASM_OUTPUT_DWARF_OFFSET.
13903 * dwarf2out.c (debug_frame_section): New.
13904 (output_call_frame_info): Use debug_frame_section. Pass it to
13905 dw2_asm_output_offset.
13906 (output_die): Pass appropriate section to dw2_asm_output_offset.
13907 (output_compilation_unit_header): Likewise.
13908 (output_pubnames): Likewise.
13909 (output_aranges): Likewise.
13910 (enum dw_val_class): Break dw_val_class_lbl_offset into
13911 dw_val_class_lineptr and dw_val_class_macptr.
13912 (add_AT_lbl_offset): Delete.
13913 (add_AT_lineptr): New.
13914 (add_AT_macptr): New.
13915 (AT_lbl): Expect a lineptr or macptr.
13916 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13917 (attr_checksum): Likewise.
13918 (same_dw_val_p): Likewise.
13919 (size_of_die): Likewise.
13920 (value_format): Likewise.
13921 (output_die): Likewise.
13922 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13924 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13925 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13926 * config/darwin-protos.h (darwin_file_start): New.
13927 (darwin_asm_output_dwarf_offset): New.
13928 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13929 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13931 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13932 if not EH section; simplify.
13933 (darwin_file_start): New.
13934 (darwin_asm_output_dwarf_offset): New.
13935 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13937 (DEBUG_INFO_SECTION): Likewise.
13938 (DEBUG_ABBREV_SECTION): Likewise.
13939 (DEBUG_ARANGES_SECTION): Likewise.
13940 (DEBUG_MACINFO_SECTION): Likewise.
13941 (DEBUG_LINE_SECTION): Likewise.
13942 (DEBUG_LOC_SECTION): Likewise.
13943 (DEBUG_PUBNAMES_SECTION): Likewise.
13944 (DEBUG_STR_SECTION): Likewise.
13945 (DEBUG_RANGES_SECTION): Likewise.
13946 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13947 (ASM_OUTPUT_DWARF_OFFSET): New.
13949 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13951 * config.gcc (tm_defines): Always add to previous value rather
13954 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13956 * config/mips/predicates.md (splittable_const_int_operand): New,
13957 split from move_operand.
13958 (splittable_symbolic_operand): New.
13959 (move_operand): Add commentary. Use splittable_const_int_operand.
13960 Inline mips_atomic_symbolic_constant_p.
13961 * config/mips/mips.md: Add combine splitters for handling moves
13962 of splittable_const_int_operands and splittable_symbolic_operands.
13963 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13964 (mips_split_symbol): Declare.
13965 (mips_move_integer): Declare.
13966 * config/mips/mips.c (mips_split_p): Make global.
13967 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13968 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13969 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13970 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13971 (mips_offset_within_object_p): Handle block symbols.
13972 (mips_atomic_symbolic_constant_p): Delete.
13973 (mips_cannot_force_const_mem): Return false for constants that
13974 mips_legitimize_move can handle.
13975 (mips_use_blocks_for_constant_p): New function.
13976 (mips_split_symbol): Make global.
13977 (mips_move_integer): Likewise. Add a temporary register argument.
13978 (mips_legitimize_const_move): Use splittable_const_int_operand and
13979 splittable_symbolic_operand.
13980 (mips_use_anchors_for_symbol_p): New function.
13981 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13982 (mips_split_p): Declare.
13984 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13986 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13987 (mips*-*-linux*): Likewise.
13989 2006-03-16 Roger Sayle <roger@eyesopen.com>
13990 Daniel Speyer <dspeyer@wam.umd.edu>
13992 PR middle-end/18259
13993 * tree-dump.c (dump_real): New function.
13994 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13995 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13996 (tree-dump.o): Add $(REAL_H) to the dependencies.
13998 2006-03-16 Roger Sayle <roger@eyesopen.com>
14000 PR middle-end/21781
14001 * real.c (real_from_string): If the mantissa is zero, don't bother
14002 parsing the exponent as the result should always be zero.
14004 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14006 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14008 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14010 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14011 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14012 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14013 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14014 ia64_sched_finish_global): New static functions to implement
14015 hooks from gcc_target.sched.
14016 (spec_check_no, max_uid, pending_data_specs): New static variables.
14017 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14018 ia64_spec_check_src_p): New static functions.
14019 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14020 (TARGET_SCHED_ADJUST_COST): Removed.
14021 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14022 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14023 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14024 TARGET_SCHED_GEN_CHECK,
14025 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14026 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14027 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14028 Fixed to handle speculation checks.
14029 (rtx_needs_barrier): Fixed to handle speculative loads and
14031 (ia64_variable_issue): Added code to count speculative loads and their
14033 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14035 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14037 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14039 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14040 (ia64_reorg): Reset stops_p to NULL after it is freed.
14041 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14042 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14043 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14045 (data_speculative, control_speculative, check_load): New attributes.
14046 (mov<mode>_advanced, mov<mode>_speculative,
14047 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14048 zero_extend<mode>di2_speculative,
14049 zero_extend<mode>di2_speculative_advanced): New patterns for
14050 data and control speculative loads.
14051 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14053 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14054 New pattern for data and control speculation checks.
14055 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14056 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14057 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14058 Auxiliary definitions for the patterns.
14059 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14060 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14062 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14064 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14065 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14066 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14067 New resource constraints.
14068 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14070 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14071 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14072 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14073 msched-in-control-spec, msched-ldc, msched-control-ldc,
14074 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14075 msched-prefer-non-control-spec-insns,
14076 msched-count-spec-in-critical-path): New flags to tune speculative
14078 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14079 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14080 msched-in-control-spec, msched-ldc, msched-control-ldc,
14081 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14082 msched-prefer-non-control-spec-insns,
14083 msched-count-spec-in-critical-path): Document new flags.
14085 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14087 * target.h (struct spec_info_def): New opaque declaration.
14088 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14089 speculate_insn, needs_block_p, gen_check,
14090 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14091 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14092 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14093 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14094 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14095 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14097 (TARGET_SCHED): Use new macros.
14098 * rtl.h (copy_DEPS_LIST_list): New prototype.
14099 * sched-int.h (struct sched_info): Change signature of new_ready field,
14100 adjust all initializations. New fields: add_remove_insn,
14101 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14102 region_head_or_leaf_p.
14103 (struct spec_info_def): New structure declaration.
14104 (spec_info_t): New typedef.
14105 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14106 recovery_block, orig_pat.
14107 (glat_start, glat_end): New variables declaraions.
14108 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14110 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14111 DETACH_LIFE_INFO, USE_GLAT.
14112 (enum SPEC_SCHED_FLAGS): New enumeration.
14113 (NOTE_NOTE_BB_P): New macro.
14114 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14115 attach_life_info, debug_spec_status, check_reg_live): New functions.
14116 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14117 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14119 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14120 * ddg.c (get_block_head_tail): Adjust all uses.
14121 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14122 (sms_sched_info): Initialize new fields.
14123 (contributes_to_priority): Removed.
14124 * haifa-sched.c (params.h): New include.
14125 (get_block_head_tail): Adjust all uses.
14126 (ISSUE_POINTS): New macro.
14127 (glat_start, glat_end): New global variables.
14128 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14129 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14130 old_last_basic_block, before_recovery, current_sched_info_var,
14131 rgn_n_insns, luid): New static variables.
14132 (insn_cost1): New function. Move logic from insn_cost to here.
14133 (find_insn_reg_weight1): New function. Move logic from
14134 find_insn_reg_weight to here.
14135 (reemit_notes, move_insn, max_issue): Change signature.
14136 (move_insn1): Removed.
14137 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14138 extend_bb): New static functions to support extension of scheduler's
14140 (generate_recovery_code, process_insn_depend_be_in_spec,
14141 begin_speculative_block, add_to_speculative_block,
14142 init_before_recovery, create_recovery_block, create_check_block_twin,
14143 fix_recovery_deps): New static functions to support
14144 generation of recovery code.
14145 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14146 restore_bb_notes, move_block_after_check, move_succs): New static
14147 functions to support ebb scheduling.
14148 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14149 functions to support handling of register live information.
14150 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14151 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14152 add_jump_dependencies): New static functions.
14153 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14154 consistancy checking.
14155 (debug_spec_status): New function to call from debugger.
14156 (priority): Added code to handle speculation checks.
14157 (rank_for_schedule): Added code to distinguish speculative instructions.
14158 (schedule_insn): Added code to handle speculation checks.
14159 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14160 Fixed to handle ebbs.
14161 (move_insn): Added code to handle ebb scheduling.
14162 (max_issue): Added code to use ISSUE_POINTS of instructions.
14163 (choose_ready): Added code to choose between speculative and
14164 non-speculative instructions.
14165 (schedule_block): Added code to handle ebb scheduling and scheduling of
14166 speculative instructions.
14167 (sched_init): Initialize new variables.
14168 (sched_finish): Free new variables. Print statistics.
14169 (try_ready): Added code to handle speculative instructions.
14170 * lists.c (copy_DEPS_LIST_list): New function.
14171 * sched-deps.c (extend_dependency_caches): New function. Move logic
14172 from create_dependency_caches to here.
14173 (get_dep_weak, ds_merge): Make global.
14174 * genattr.c (main): Code to output prototype for
14175 dfa_clear_single_insn_cache.
14176 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14177 (output_dfa_clean_insn_cache_func): Code to output
14178 dfa_clear_single_insn_cache function.
14179 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14181 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14183 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14184 New static variables.
14185 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14186 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14188 (ebb_sched_info): Initialize new fields.
14189 (get_block_head_tail): Adjust all uses.
14190 (compute_jump_reg_dependencies): Fixed to use glat_start.
14191 (schedule_ebb): Code to remove unreachable last block.
14192 (schedule_ebbs): Added code to update register live information.
14193 * sched-rgn.c (region_sched_info): Initialize new fields.
14194 (get_block_head_tail): Adjust all uses.
14195 (last_was_jump): Removed. Adjust users.
14196 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14197 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14198 Implement new hooks.
14199 (check_dead_notes1): New static function.
14200 (struct region): New fields: dont_calc_deps, has_real_ebb.
14201 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14202 (BB_TO_BLOCK): Fixed to handle EBBs.
14203 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14204 (ebb_head): New static variable.
14205 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14206 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14208 (compute_dom_prob_ps): New assertion.
14209 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14210 global_live_at_start.
14211 (init_ready_list): New assertions.
14212 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14213 (new_ready): Add support for BEGIN_CONTROL speculation.
14214 (schedule_insns): Fixed code that updates register live information
14216 (schedule_region): Fixed to handle EBBs.
14217 (init_regions): Use extend_regions and check_dead_notes1.
14218 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14219 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14220 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14221 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14222 TARGET_SCHED_GEN_CHECK,
14223 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14224 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14225 * doc/invoke.texi (max-sched-insn-conflict-delay,
14226 sched-spec-prob-cutoff): Document.
14228 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14230 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14231 inter_tick, queue_index.
14232 (struct sched_info): Change signature of init_ready_list field.
14233 Adjust all initializations.
14234 (RESOLVED_DEPS): New access macro.
14235 (ready_add): Remove prototype.
14236 (try_ready): Add prototype.
14237 * sched-rgn.c (init_ready_list): Use try_ready.
14238 (schedule_region): Initialize
14239 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14240 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14241 (init_ready_list): Use try_ready.
14242 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14243 * lists.c (remove_list_elem): Remove `static'.
14244 (remove_free_INSN_LIST_elem): New function.
14245 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14246 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14247 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14249 (readyp): New variable.
14250 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14251 change_queue_index, resolve_dep): New static functions.
14252 (try_ready): New function. Adjust callers in sched-rgn.c and
14253 sched-ebb.c to use it instead of ready_add.
14254 (clock_var): Move at the begining of file.
14255 (rank_for_schedule): Fix typo.
14256 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14257 (ready_lastpos): Enforce assertion.
14258 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14259 update all callers.
14260 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14261 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14262 (queue_to_ready): Use free_INSN_LIST_list.
14263 (early_queue_to_ready): Fix typo.
14264 (schedule_block): Init readyp. Move init_ready_list call after the
14265 initialization of clock_var. Fix error in rejecting insn by
14266 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14267 that previously corrected INSN_TICKs. Add code for handling
14269 (set_priorities): Fix typo.
14270 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14271 Clarify comment and code that keeps current_sched_info->next_tail
14274 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14276 * sched-rgn.c (extend_rgns): New static function.
14277 (find_rgns): Use it.
14278 (gather_region_statistics, print_region_statistics): New static
14280 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14281 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14283 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14284 Andrey Belevantsev <abel@ispras.ru>
14286 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14287 * lists.c (unused_deps_list): New variable.
14288 (free_list): Add assertions to verify the proper distinguishing
14289 between INSN_LISTs and DEPS_LISTs.
14290 (find_list_elem, remove_list_elem, remove_list_node): New static
14292 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14293 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14294 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14295 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14297 (free_INSN_LIST_node): Likewise.
14298 * modulo-sched.c (current_sched_info): Initialize flags field.
14299 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14300 * rtl.def (DEPS_LIST): Define.
14301 * rtl.h: Declare new functions from lists.c.
14302 * sched-deps.c (spec_dependency_cache): New static variable.
14303 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14304 (add_dependence): Change return type to void. Move the logic to ...
14305 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14306 (delete_all_dependences): Add comment about forward_dependency_cache.
14307 Handle spec_dependency_cache. Handle DEPS_LISTs.
14308 (fixup_sched_groups): Clarify the change of priority of output
14309 and anti dependencies.
14310 (sched_analyze_2): Adjust add_dependence calls to create data
14311 speculative dependence.
14312 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14313 Adjust all callers. Handle DEPS_LISTS.
14314 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14315 presence of speculation.
14316 (init_dependency_caches, free_dependency_caches):
14317 Handle spec_dependency_cache.
14318 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14319 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14320 New static functions.
14321 (add_or_update_back_dep, add_or_update_back_forw_dep,
14322 add_back_forw_dep, delete_back_forw_dep): New functions.
14323 * sched-int.h (ds_t, dw_t): New typedefs.
14324 (struct sched_info): Add new field flags.
14325 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14326 Prototype new sched-deps.c functions.
14327 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14328 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14329 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14330 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14331 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14332 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14334 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14336 * sched-rgn.c (current_sched_info): Initialize flags field.
14337 (schedule_insns): Initialize current_sched_info before the sched_init
14339 * sched-ebb.c (current_sched_info): Initialize flags field.
14340 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14341 Call add_or_update_back_dep instead of add_dependence.
14342 Create control speculative dependencies.
14343 (schedule_insns): Initialize current_sched_info before the sched_init
14346 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14348 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14350 (sh_fallback_frame_state): Likewise.
14352 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14354 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14355 Do switch on default_use_cxa_atexit.
14356 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14357 * config/darwin-crt3.o: New.
14358 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14359 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14360 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14362 * config/rs6000/t-darwin: Move crt2.o building to here.
14363 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14364 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14367 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14369 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14370 from '! xxx' to '!xxx' for coding-style conformance.
14371 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14372 (EXTRA_CONSTRAINT): Likewise.
14373 * config/vax/vax.md (four unnamed insns): Likewise.
14375 2006-03-15 Paul Brook <paul@codesourcery.com>
14377 * config/arm/arm.c (minipool_pad): New.
14378 (add_minipool_forward_ref): Include pool alignment padding in address
14380 (push_minipool_fix): Set minipool_pad.
14381 (minipool_pad): Ditto.
14383 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14385 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14386 instead of GET_CODE() == MEM and REG_P() instead of
14388 (print_operand_address): Likewise.
14389 (vax_address_cost): Likewise.
14390 (vax_rtx_costs): Likewise.
14391 (vax_notice_update_cc): Likewise.
14392 (vax_output_int_add): Likewise.
14393 (INDEX_REGISTER_P): Likewise.
14394 (BASE_REGISTER_P): Likewise.
14395 (nonindexed_address_p): Likewise.
14396 (vax_mode_dependent_address_p): Likewise.
14397 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14398 (PRINT_OPERAND): Likewise.
14399 * config/vax/vax.md (ashlsi3): Likewise.
14400 (ashlsi3): Likewise.
14401 (some more unnamed insns): Likewise.
14403 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14405 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14406 iterator-style macro.
14407 (mark_control_dependent_edges_necessary): Update the use of
14408 EXECUTE_IF_CONTROL_DEPENDENT.
14410 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14412 * config/sh/predicates.md (cache_address_operand): Special.
14413 (ua_address_operand): Likewise.
14415 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14417 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14419 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14421 2006-03-15 Andreas Schwab <schwab@suse.de>
14423 * gensupport.c (identify_predicable_attribute): Don't free p_false
14424 when it is still in use.
14426 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14428 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14429 the default setting here.
14431 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14433 * tree-pass.h (pass_cfg): Remove.
14434 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14435 * passes.c (pass_cfg): Don't run it.
14437 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14439 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14440 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14442 (stack_regs_mentioned): Update the uses of
14443 stack_regs_mentioned_data. Don't access the array beyond its
14445 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14446 Don't include gt-reg-stack.h.
14448 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14449 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14451 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14453 PR middle-end/26684
14454 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14457 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14459 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14461 2006-03-14 Richard Guenther <rguenther@suse.de>
14463 PR tree-optimization/26672
14464 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14467 2006-03-14 Richard Guenther <rguenther@suse.de>
14469 PR tree-optimization/26667
14470 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14471 node for the callees. Always allow inlining if it will shrink
14474 2006-03-14 Richard Guenther <rguenther@suse.de>
14476 PR middle-end/26659
14477 * builtins.c (get_pointer_alignment): Prefer alignment
14478 information from decls over that from types.
14480 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14483 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14485 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14487 * config/rs6000/rs6000.opt (mdlmzb): New option.
14488 (msched-prolog, msched-epilog): Use Var not Mask.
14489 * doc/invoke.texi (-mdlmzb): Document.
14490 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14492 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14493 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14495 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14497 PR rtl-optimization/25739
14498 * bt-load.c (augment_live_range): Free tos pointer.
14500 * gensupport.c (identify_predicable_attribute): Free
14502 * gcov.c (create_file_names): Free name pointer.
14504 2006-03-13 Roger Sayle <roger@eyesopen.com>
14506 PR middle-end/26557
14507 * stmt.c (emit_case_nodes): Handle the case where the index is a
14508 CONST_INT, where the comparison mode is specified by the index type.
14510 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14512 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14515 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14517 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14518 (*branch_fp_inverted): Likewise.
14520 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14522 PR middle-end/25989
14523 * omp-low.c (expand_omp_for_generic): Mark istart0
14524 and iend0 as addressable.
14526 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14528 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14530 2006-03-13 Jeff Law <law@redhat.com>
14532 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14533 virtual operands are interesting.
14534 (vrp_visit_stmt): Corresponding changes.
14536 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14538 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14540 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14541 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14542 * config/bfin/crti.S: Use it instead of __PIC__.
14543 * config/bfin/crtn.S: Likewise.
14545 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14546 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14548 Lose 'G' modifier for call operand.
14549 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14550 recognize 'G' modifier.
14552 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14554 PR middle-end/18859
14555 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14556 * stmt.c (expand_case): Likewise.
14558 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14560 PR rtl-optimization/26254
14561 * loop-invariant.c (seq_insns_valid_p): New function.
14562 (move_invariant_reg): Only emit new code if it is valid.
14564 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14566 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14568 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14569 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14570 (commit_one_edge_insertion): Do not look for loop notes.
14572 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14574 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14575 flag_test_coverage out of loop.
14577 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14579 * final.c (shorten_branches): Remove outdated comment, and turn
14580 the if branch that guards it to continue.
14582 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14584 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14585 * cfgloop.h (struct loop): Remove unused fields.
14587 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14589 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14590 (-dL, -fdump-rtl-loop2): Update the dump file names
14592 * doc/invoke.texi: Update dump file names.
14594 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14596 * predict.c (estimate_probability): Remove.
14597 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14598 * basic-block.h (estimate_probability): Remove prototype.
14599 * passes.c (finish_optimization_passes): Dump branch prediction or
14600 profiling heuristics to the .profile tree dump.
14601 (init_optimization_passes): Unqueue pass_branch_prob.
14603 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14605 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14607 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14608 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14610 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14612 * function.h (frame_offset_overflow): Declare.
14613 * function.c (frame_offset_overflow): New function.
14614 (assign_stack_local_1): Call it to detect that the offset overflows.
14615 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14617 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14619 * config/sh/sh.c: Include alloc-pool.h.
14620 (label_ref_list_pool): New alloc pool.
14621 (label_ref_list_t): New type for lists of labels.
14622 (struct pool_node): Make wend a label_ref_list_t.
14623 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14625 (dump_table): Likewise.
14626 (sh_reorg): Set up the alloc pool before using add_constant and
14627 dump_table, and destroy it when finishing.
14629 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14631 * config/mips/mips.c: Remove redundant comment.
14633 2006-03-10 Jason Merrill <jason@redhat.com>
14636 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14637 the target was declared 'register'.
14639 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14641 * genpreds.c (write_insn_constraint_len): Change definition of
14642 insn_constraint_len to return size_t to match the declaration.
14644 2006-03-10 DJ Delorie <dj@redhat.com>
14646 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14648 (m32c_expand_insv): Fix test for an AND mask.
14650 2006-03-10 Richard Guenther <rguenther@suse.de>
14652 PR middle-end/26565
14653 * builtins.c (get_pointer_alignment): Handle component
14654 references for field alignment.
14656 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14658 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14659 when building with libgloss.
14660 (sh*elf): Implement --without-fp option.
14661 (sh64-superh-linux*): Don't multilib.
14663 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14665 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14667 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14669 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14670 Set it when one of the replacement functions returned true.
14671 Return TODO_cleanup_cfg if cfgchanged is true.
14672 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14674 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14676 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14677 instead of gen_lowpart.
14679 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14681 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14683 (mips_output_order_conditional_branch): Declare.
14684 * config/mips/mips.h (MIPS_BRANCH): New macro.
14685 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14686 for the comparison. Use gen_condjump.
14687 (mips_output_conditional_branch): Rework interface to take the
14688 asm templates for a direct branch and the inverse of a direct branch.
14689 (mips_output_order_conditional_branch): New function.
14690 (mips_builtin_branch_and_move): New function.
14691 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14692 branch condition. Use gen_single_cc as the condition for
14693 __builtin_mips_upper_* or __builtin_mips_lower_*.
14694 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14695 Use VOIDmode for the branch condition.
14696 * config/mips/predicates.md (order_operator): New predicate.
14697 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14698 (branch_fp): Rename to...
14699 (*branch_fp): ...this. Remove mode from comparison operator.
14700 Use new mips_output_conditional_branch interface.
14701 (branch_fp_inverted): Rename to...
14702 (*branch_fp_inverted): ...this and update as for *branch_fp.
14703 (*branch_zero<mode>): Rename to...
14704 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14705 Use mips_output_order_conditional_branch. Only accept ordered
14707 (*branch_zero<mode>_inverted): Rename to...
14708 (*branch_order<mode>_inverted): ...this and update as for
14709 *branch_order<mode>.
14710 (*branch_equality<mode>): Accept zero as the second operand to
14711 the equality operator. Use the new mips_output_conditional_branch
14713 (*branch_equality<mode>_inverted): Likewise.
14714 (condjump): New expander.
14715 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14717 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14718 (bc1any2t, bc1any2f): Likewise.
14719 (single_cc): New expander.
14720 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14722 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14724 * doc/md.texi: Update documentation of MIPS constraints.
14725 * config/mips/constraints.md: New file.
14726 * config/mips/mips.md: Include it.
14727 * config/mips/mips.c (mips_char_to_class): Delete.
14728 (override_options): Don't initialize mips_char_to_class.
14729 * config/mips/mips.h (mips_char_to_class): Delete.
14730 (REG_CLASS_FROM_LETTER): Delete.
14731 (CONST_OK_FOR_LETTER_P): Delete.
14732 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14733 (EXTRA_CONSTRAINT_Y): Delete.
14734 (EXTRA_CONSTRAINT_STR): Delete.
14735 (CONSTRAINT_LEN): Delete.
14736 (EXTRA_MEMORY_CONSTRAINT): Delete.
14738 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14740 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14741 original fn's eh regions.
14743 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14745 * fold-const.c (build_range_check): Make sure to use a valid type to
14746 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14749 (range_predecessor): New static function.
14750 (range_successor): Likewise.
14751 (merge_ranges): Use them to compute predecessors and successors of
14754 2006-03-09 Roger Sayle <roger@eyesopen.com>
14756 PR middle-end/26561
14757 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14758 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14760 2006-03-08 DJ Delorie <dj@redhat.com>
14762 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14763 (addpsi3): Expand to include memory operands. Remove
14764 reload-specific splits.
14765 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14766 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14767 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14768 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14769 (shift1_qi, shift1_hi, insv): New.
14770 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14771 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14772 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14774 * config/m32c/m32c-protos.h: Update as needed.
14775 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14776 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14777 Fail for unrecognized R* constraints.
14778 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14779 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14780 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14782 (m32c_init_libfuncs): New.
14783 (m32c_legitimate_address_p): Add debug wrapper.
14784 (m32c_rtx_costs): New.
14785 (m32c_address_cost): New.
14786 (conversions): Add 'B' prefix.
14787 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14788 operands, or word regnames for QI operands. 'B' prints bit
14790 (m32c_expand_setmemhi): New.
14791 (m32c_expand_movmemhi): New.
14792 (m32c_expand_movstr): New.
14793 (m32c_expand_cmpstr): New.
14794 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14795 (m32c_expand_neg_mulpsi3): Handle non-ints.
14796 (m32c_cmp_flg_0): New.
14797 (m32c_expand_movcc): New.
14798 (m32c_expand_insv): New.
14799 (m32c_scc_pattern): New.
14800 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14801 a0/a1 out of SIregs.
14802 (STORE_FLAG_VALUE): New.
14803 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14806 * config/m32c/mov.md: Make constraints more liberal.
14807 (zero_extendqihi2): Optimize r0/r1 case.
14808 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14809 * config/m32c/predicates.md (m32c_any_operand): New.
14810 (m32c_nonimmediate_operand): New.
14811 (m32c_hl_operand): New.
14812 (m32c_r3_operand): New.
14815 (memsym_operand): New.
14816 (memimmed_operand): New.
14817 (a_qi_operand): New.
14818 (m32c_eqne_operator): New.
14819 (m32c_1bit8_operand): New.
14820 (m32c_1bit16_operand): New.
14821 (m32c_1mask8_operand): New.
14822 (m32c_1mask16_operand): New.
14823 * config/m32c/blkmov.md: New file.
14824 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14826 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14828 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14829 unsigned to fix signed/unsigned comparison issue in
14830 DWARF2_FRAME_REG_OUT.
14831 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14832 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14834 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14835 of ptr into the ENABLE_CHECKING section.
14837 2006-03-08 Jeff Law <law@redhat.com>
14839 * tree-vrp.c (infer_value_range): Only count pointer uses
14840 and dereferences if -fdelete-null-pointer-checks is enabled.
14842 * tree-vrp.c (find_assert_locations): Infer value ranges for
14843 single use pointers, but do not create ASSERT_EXPRs for them.
14844 When a non-null range is inferred for a pointer, backwards
14845 propagate that range to other equivalent pointers through the
14848 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14851 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14852 language hook targets.
14853 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14854 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14855 if language hook targets were missing.
14857 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14859 * tree-ssa-opfinalize.h: Removed.
14860 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14862 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14863 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14864 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14865 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14866 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14867 finalize_ssa_v_must_def_ops): New.
14869 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14871 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14872 block as parameter.
14874 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14876 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14878 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14879 addresses with offsets; reorganize.
14881 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14882 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14883 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14885 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14888 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14890 2006-03-08 Ben Elliston <bje@au.ibm.com>
14892 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14894 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14897 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14900 2006-03-07 Richard Guenther <rguenther@suse.de>
14902 PR tree-optimization/26587
14903 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14905 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14907 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14909 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14911 * hooks.c (hook_bool_mode_rtx_true): New function.
14912 * hooks.h (hook_bool_mode_rtx_true): Declare.
14913 * toplev.c (compile_file): Call output_shared_constant_pool.
14914 * varasm.c (shared_constant_pool): New variable.
14915 (assemble_start_function, assemble_end_function): Remove arguments
14916 from call to output_constant_pool.
14917 (create_constant_pool): New function, split out from...
14918 (init_varasm_status): ...here.
14919 (force_const_mem): Choose between the shared and per-function constant
14920 pools. Set current_function_uses_const_pool when reusing old entries
14921 as well as when creating new ones.
14922 (mark_constant): Ignore data argument.
14923 (mark_constants): Remove pool argument.
14924 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14925 to decide whether the function uses a constant pool.
14926 (output_constant_pool_contents): New function, split out from...
14927 (output_constant_pool): ...here.
14928 (output_shared_constant_pool): New function.
14929 (init_varasm_once): Initialize shared_constant_pool.
14930 * output.h (output_constant_pool): Delete.
14931 (output_shared_constant_pool): Declare.
14932 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14933 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14935 2006-03-06 Nick Clifton <nickc@redhat.com>
14937 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14938 flag_strength_reduce.
14940 2006-03-06 Ben Elliston <bje@au.ibm.com>
14942 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14943 x86_64-*-linux* configurations.
14945 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14946 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14948 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14950 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14952 * basic-block.h: Remove the extern for
14953 rediscover_loops_after_threading.
14955 * cfgloop.c (cancel_loop): Make it static.
14956 * cfgloop.h: Remove the prototype for cancel_loop.
14958 * flow.c (recompute_reg_usage): Make it static.
14959 * rtl.h: Remove the prototype for recompute_reg_usage.
14961 * function.c (use_return_register): Make it static.
14962 * function.h: Remove the prototype.
14964 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14966 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14968 * recog.h: Remove the prototype for
14969 validate_change_maybe_volatile.
14971 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14973 * rtlanal.c (replace_reg): Remove.
14974 * rtl.h: Remove the prototype for replace_reg.
14976 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14978 * regclass.c (reg_scan_update): Remove.
14979 (reg_scan_mark_refs): Remove the last argument.
14980 * rtl.h: Remove the prototype for reg_scan_update.
14982 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14984 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14985 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14986 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14987 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14988 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14989 loop-invariant.c, omp-low.c, opts.c, passes.c,
14990 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14991 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14992 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14993 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14994 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14995 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14997 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14999 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15000 * dwarf2out.h: Remove the prototype for
15001 dwarf2out_add_library_unit_info.
15003 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15005 * tree.c (add_var_to_bind_expr): Remove.
15006 * tree.h: Remove the prototype for add_var_to_bind_expr.
15008 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15010 * regclass.c (n_non_fixed_regs): Remove.
15011 (init_reg_sets_1, globalize_reg): Remove all uses of
15013 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15015 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15017 * rtlanal.c (insns_safe_to_move_p): Remove.
15018 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15020 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15022 * expmed.c (expand_mult_add): Remove.
15023 * expr.h: Remove the prototype for expand_mult_add.
15025 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15027 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15028 and REG_SAVED_VAL_EXP constants.
15029 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15030 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15031 Handle regs stored by value.
15032 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15033 (execute_cfa_program): Handle DW_CFA_val_offset,
15034 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15035 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15036 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15037 (uw_install_context_1): Handle target regs stored by value.
15039 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15041 * tree-sra.c (tree_sra): Return todoflags;
15042 (generate_one_element): Set TODO_update_smt_usage if needed.
15043 (pass_sra): Remove TODO_update_smt_usage.
15044 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15046 (tree_ssa_forward_propagate_single_use_vars): Return
15047 TODO_update_smt_usage if we need to update SMT usage.
15048 (pass_forwprop): Remove TODO_update_smt_usage.
15050 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15052 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15053 (correct_use_link): Remove reference to get_stmt_operands.
15054 (update_stmt_operands): Likewise.
15055 (get_modify_expr_operands): New function factored out of
15056 parse_ssa_operands and get_expr_operands.
15057 Try to create V_MUST_DEFs for LHS by default.
15058 (get_expr_operands) <case MODIFY_EXPR>: Call
15059 get_modify_expr_operands.
15060 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15061 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15062 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15063 get_modify_expr_operands.
15065 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15067 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15068 * tree-flow.h: Remove the prototype for
15069 referenced_var_lookup_if_exists.
15071 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15073 PR rtl-optimization/26345
15075 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15077 2006-03-03 Roger Sayle <roger@eyesopen.com>
15079 PR tree-optimization/26524
15080 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15081 fold_convert to create a constant of the appropriate type.
15083 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15085 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15086 SYMBOL_REF_IN_BLOCK_P.
15087 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15088 of SYMBOL_FLAG_IN_BLOCK.
15089 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15090 instead of SYMBOL_REF_IN_BLOCK_P.
15091 * explow.c (use_anchored_address): Likewise.
15092 * rtl.c (rtx_size): Likewise.
15093 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15094 instead of SYMBOL_FLAG_IN_BLOCK.
15095 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15096 SYMBOL_REF_IN_BLOCK_P.
15097 (assemble_variable): Likewise.
15098 (output_constant_def_contents): Likewise.
15099 (output_constant_pool): Likewise.
15100 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15101 instead of SYMBOL_FLAG_IN_BLOCK.
15102 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15103 SYMBOL_REF_IN_BLOCK_P.
15104 (SYMBOL_REF_BLOCK): Likewise.
15105 (SYMBOL_REF_OFFSET): Likewise.
15106 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15107 SYMBOL_REF_IN_BLOCK_P.
15108 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15109 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15110 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15111 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15113 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15115 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15117 2006-03-02 Roger Sayle <roger@eyesopen.com>
15119 * simplify-rtx.c (simplify_unary_operation): When simplifying
15120 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15121 that we perform the right shift in the appropriate mode, and
15122 then extend or truncate the result to requested mode.
15124 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15126 * gengtype.c (main): Handle double_int type.
15127 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15128 * double-int.c: New file.
15129 * double-int.h: New file.
15130 * system.h: Include doubleint.h.
15131 * Makefile.in (SYSTEM_H): Include double-int.h.
15132 (double-int.o): Add.
15134 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15137 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15140 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15142 * tree-vrp.c (remove_range_assertions): Do not update statements
15145 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15147 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15149 * gcse.c (rest_of_handle_gcse): Ditto.
15150 * except.c (gate_handle_eh): Ditto.
15151 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15152 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15154 2006-03-02 Eric Christopher <echristo@apple.com>
15156 * config/i386/i386.c (machopic_output_stub): Add indirection to
15159 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15163 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15165 Sun Niagara specific optimizations.
15166 * config.gcc: Recognize niagara as target.
15167 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15168 (TARGET_CPU_niagara): Define.
15169 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15170 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15171 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15172 (ASM_CPU_SPEC): Likewise.
15173 (PROCESSOR_NIAGARA): New enum entry.
15174 (REGISTER_MOVE_COST): Handle Niagara.
15175 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15176 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15177 (sparc_override_options): Recognize "niagara", set appropriate
15178 default MASK_* values for it, and align functions to 32-bytes
15179 by default just like ULTRASPARC/ULTRASPARC3.
15180 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15181 (sparc64_initialize_trampoline): Likewise.
15182 (sparc_use_sched_lookahead): Use zero for niagara.
15183 (sparc_issue_rate): Use one for niagara.
15184 * config/sparc/niagara.md: New file.
15185 * config/sparc/sparc.md: Include it.
15186 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15187 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15188 when default cpu is niagara.
15189 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15190 (ASM_CPU_SPEC): Likewise.
15191 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15192 when default cpu is niagara.
15193 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15194 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15195 just like v9/ultrasparc/ultrasparc3.
15196 * doc/invoke.texi: Add documentation for "niagara" and improve
15197 existing documentation for ultrasparc variants.
15199 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15201 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15203 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15205 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15206 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15207 and say that only one is needed.
15208 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15209 * target.h (have_switchable_bss_sections): New hook.
15210 * explow.c (use_anchored_address): Check that the symbol is in a block.
15211 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15212 (bss_noswitch_section): New variables.
15213 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15214 (get_noswitch_section): New function.
15215 (get_block_for_section): Allow SECT to be null.
15216 (unlikely_text_section_p): Use SECTION_STYLE.
15217 (bss_initializer_p): New function.
15218 (get_variable_section): Move earlier in file. Take a new argument,
15219 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15220 Return one of the new *_sections in such cases.
15221 (get_block_for_decl): New function, extracting some logic from
15222 use_blocks_for_decl_p.
15223 (change_symbol_section): Remove in favor of...
15224 (change_symbol_block): ...this new function.
15225 (use_blocks_for_decl_p): Remove checks now performed by
15226 get_block_for_decl.
15227 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15228 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15229 (emit_local, emit_bss, emit_common): ...these new functions.
15230 Return true if the alignment was honored.
15231 (emit_tls_common): New function.
15232 (asm_emit_uninitialised): Delete.
15233 (assemble_variable_noswitch): New function, split out from...
15234 (assemble_variable): ...here. Don't make decisions about common
15235 variables here. Globalize all public decls that go into non-common
15236 sections. Check whether SYMBOL_REF_BLOCK is null.
15237 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15238 (output_constant_pool): Likewise.
15239 (init_varasm_once): Initialize the new section variables.
15240 (have_global_bss_p): New function.
15241 (categorize_decl_for_section): Use bss_initializer_p.
15242 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15243 (place_block_symbol): Assert that the symbol must be in a block.
15244 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15245 (TARGET_INITIALIZER): Include it.
15246 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15247 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15248 (SECTION_MACH_DEP): Bump by two.
15249 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15250 (unnamed_section): Mention SECTION_UNNAMED in comment.
15251 (named_section): Likewise SECTION_NAMED.
15252 (noswitch_section_callback): New type.
15253 (noswitch_section): New structure.
15254 (section): Add a noswitch_section alternative.
15255 (SECTION_STYLE): New macro.
15256 (tls_comm_section, comm_section, lcomm_section): Declare.
15257 (bss_noswitch_section, have_global_bss_p): Declare.
15258 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15259 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15261 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15262 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15265 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15267 * tree-vrp.c (execute_vrp): Return value.
15268 * regrename.c (rest_of_handle_regrename): Ditto.
15269 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15270 * tree-complex.c (tree_lower_complex): Ditto.
15271 (tree_lower_complex_O0): Ditto.
15272 * tracer.c (rest_of_handle_tracer): Ditto.
15273 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15274 * postreload.c (rest_of_handle_postreload): Ditto.
15275 * tree-tailcall.c (execute_tail_recursion): Ditto.
15276 (execute_tail_calls): Ditto.
15277 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15278 * tree.h (init_function_for_compilation): Ditto.
15279 * ipa-cp.c (ipcp_driver): Ditto.
15280 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15281 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15282 * final.c (compute_alignments): Ditto.
15283 (rest_of_handle_final): Ditto.
15284 (rest_of_handle_shorten_branches): Ditto.
15285 (rest_of_clean_state): Ditto.
15286 * omp-low.c (execute_expand_omp): Ditto.
15287 (execute_lower_omp): Ditto.
15288 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15289 * ipa-reference.c (static_execute): Ditto.
15290 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15291 * reorg.c (rest_of_handle_delay_slots): Ditto.
15292 (rest_of_handle_machine_reorg): Ditto.
15293 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15294 * flow.c (recompute_reg_usage): Ditto.
15295 (rest_of_handle_remove_death_notes): Ditto.
15296 (rest_of_handle_life): Ditto.
15297 (rest_of_handle_flow2): Ditto.
15298 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15299 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15300 (do_ssa_store_ccp): Ditto.
15301 (execute_fold_all_builtins): Ditto.
15302 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15303 * modulo-sched.c (rest_of_handle_sms): Ditto.
15304 * ipa-pure-const.c (static_execute): Ditto.
15305 * cse.c (rest_of_handle_cse): Ditto.
15306 (rest_of_handle_cse2): Ditto.
15307 * web.c (rest_of_handle_web): Ditto.
15308 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15309 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15310 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15311 * tree-nrv.c (tree_nrv): Ditto.
15312 (execute_return_slot_opt): Ditto.
15313 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15314 (create_structure_vars): Ditto.
15315 * loop-init.c (rtl_loop_init): Ditto.
15316 (rtl_loop_done): Ditto.
15317 (rtl_move_loop_invariants): Ditto.
15318 (rtl_unswitch): Ditto.
15319 (rtl_unroll_and_peel_loops): Ditto.
15320 (rtl_doloop): Ditto.
15321 * gimple-low.c (lower_function_body): Ditto.
15322 (mark_used_blocks): Ditto.
15323 * tree-ssa-sink.c (execute_sink_code): Ditto.
15324 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15325 (cgraph_early_inlining): Ditto.
15326 * global.c (rest_of_handle_global_alloc): Ditto.
15327 * jump.c (cleanup_barriers): Ditto.
15328 (purge_line_number_notes): Ditto.
15329 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15330 (rest_of_handle_if_after_reload): Ditto.
15331 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15332 (tree_ssa_loop_im): Ditto.
15333 (tree_ssa_loop_unswitch): Ditto.
15334 (tree_vectorize): Ditto.
15335 (tree_linear_transform): Ditto.
15336 (tree_ssa_loop_ivcanon): Ditto.
15337 (tree_ssa_empty_loop): Ditto.
15338 (tree_ssa_loop_bounds): Ditto.
15339 (tree_complete_unroll): Ditto.
15340 (tree_ssa_loop_prefetch): Ditto.
15341 (tree_ssa_loop_ivopts): Ditto.
15342 (tree_ssa_loop_done): Ditto.
15343 * predict.c (tree_estimate_probability): Ditto.
15344 * recog.c (split_all_insns_noflow): Ditto.
15345 (rest_of_handle_peephole2): Ditto.
15346 (rest_of_handle_split_all_insns): Ditto.
15347 * tree-eh.c (lower_eh_constructs): Ditto.
15348 * regmove.c (rest_of_handle_regmove): Ditto.
15349 (rest_of_handle_stack_adjustments): Ditto.
15350 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15351 * function.c (instantiate_virtual_regs): Ditto.
15352 (init_function_for_compilation): Ditto.
15353 (rest_of_handle_check_leaf_regs): Ditto.
15354 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15355 (rest_of_handle_gcse): Ditto.
15356 * ipa-type-escape.c (type_escape_execute): Ditto.
15357 * alias.c (rest_of_handle_cfg): Ditto.
15358 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15359 * profile.c (rest_of_handle_branch_prob): Ditto.
15360 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15361 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15362 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15363 * tree-dfa.c (find_referenced_vars): Ditto.
15364 * except.c (set_nothrow_function_flags): Ditto.
15365 (convert_to_eh_region_ranges): Ditto.
15366 (rest_of_handle_eh): Ditto.
15367 * emit-rtl.c (unshare_all_rtl): Ditto.
15368 (remove_unnecessary_notes): Ditto.
15369 * except.h (set_nothrow_function_flags): Ditto.
15370 (convert_to_eh_region_ranges): Ditto.
15371 * cfgexpand.c (tree_expand_cfg): Ditto.
15372 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15373 * tree-ssa-pre.c (do_pre): Ditto.
15374 (execute_fre): Ditto.
15375 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15376 (rest_of_handle_jump2): Ditto.
15377 * tree-sra.c (tree_sra): Ditto.
15378 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15379 (execute_mudflap_function_decls): Ditto.
15380 * tree-ssa-copy.c (do_copy_prop): Ditto.
15381 (do_store_copy_prop): Ditto.
15382 * ipa-prop.h (ipcp_driver): Ditto.
15383 * cfglayout.c (insn_locators_initialize): Ditto.
15384 * tree-ssa-forwprop.c
15385 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15386 * cfglayout.h (insn_locators_initialize): Ditto.
15387 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15388 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15389 (execute_late_warn_uninitialized): Ditto.
15390 * rtl.h (cleanup_barriers): Ditto.
15391 (split_all_insns_noflow): Ditto.
15392 (purge_line_number_notes): Ditto.
15393 (unshare_all_rtl): Ditto.
15394 (remove_unnecessary_notes): Ditto.
15395 (recompute_reg_usage): Ditto.
15396 (variable_tracking_main): Ditto.
15397 * integrate.c (emit_initial_value_sets): Ditto.
15398 * integrate.h (emit_initial_value_sets): Ditto.
15399 * tree-optimize.c (execute_free_datastructures): Ditto
15400 (execute_free_cfg_annotations): Ditto.
15401 (execute_fixup_cfg): Ditto.
15402 (execute_cleanup_cfg_pre_ipa): Ditto.
15403 (execute_cleanup_cfg_post_optimizing): Ditto.
15404 (execute_init_datastructures): Ditto.
15405 * tree-object-size.c (compute_object_sizes): Ditto.
15406 * combine.c (rest_of_handle_combine): Ditto.
15407 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15408 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15409 (rest_of_handle_reorder_blocks): Ditto.
15410 (rest_of_handle_partition_blocks): Ditto.
15411 * var-tracking.c (variable_tracking_main): Ditto.
15412 * tree-profile.c (tree_profiling): Ditto.
15413 * tree-vect-generic.c (expand_vector_operations): Ditto.
15414 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15415 * sched-rgn.c (rest_of_handle_sched): Ditto.
15416 (rest_of_handle_sched2): Ditto.
15417 * basic-block.h (free_bb_insn): Ditto.
15418 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15419 * tree-cfg.c (execute_build_cfg): Ditto.
15420 (remove_useless_stmts): Ditto.
15421 (split_critical_edges): Ditto.
15422 (execute_warn_function_return): Ditto.
15423 (execute_warn_function_noreturn): Ditto.
15424 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15425 * cfgrtl.c (free_bb_for_insn): Ditto.
15426 * passes.c (execute_one_pass): Run additional
15427 todos returned by execute function.
15428 * tree-pass.h (struct tree_opt_pass): Make execute
15431 2006-03-02 Richard Guenther <rguenther@suse.de>
15433 * tree-ssa-alias.c (find_used_portions): Consider taking
15434 the address as making the variable not write-only.
15436 2006-03-02 Nick Clifton <nickc@redhat.com>
15438 * config.gcc (default_use_cxa_atexit): Extend the description of
15439 this configure variable. Set its default value to "yes" for
15440 Linux, NetBSD and ELF targets on the assumption that they will
15441 use C libraries with the __cxa_atexit function.
15443 2006-03-02 Ben Elliston <bje@au.ibm.com>
15445 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15446 parameter as unused to suppress a build warning.
15448 2006-03-02 Ben Elliston <bje@au.ibm.com>
15450 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15453 2006-03-01 Roger Sayle <roger@eyesopen.com>
15456 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15457 declared name, the weak reference name, and the typeof name.
15458 (__gthrw): Avoid expanding the declared name suffix.
15459 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15461 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15463 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15465 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15466 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15467 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15468 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15469 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15470 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15471 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15472 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15473 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15474 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15475 (DW_END_default, DW_END_big, DW_END_little): New.
15476 (DW_END_lo_user, DW_END_hi_user): Define.
15477 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15478 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15479 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15482 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15484 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15486 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15488 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15490 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15492 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15493 to 'symbol_mem_tag'.
15495 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15498 2006-03-01 Roger Sayle <roger@eyesopen.com>
15500 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15502 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15505 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15506 MACHO_DYNAMIC_NO_PIC_P.
15507 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15509 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15512 * config/darwin-protos.h (darwin_asm_output_anchor):
15514 * config/darwin-sections.def (cstring_section):
15515 Add SECTION_MERGE to the flags.
15516 (literal4_section): Likewise.
15517 (literal8_section): Likewise.
15518 (objc_selector_refs_section): Likewise.
15519 (objc_cls_refs_section): Likewise.
15520 * config/darwin.c (darwin_asm_output_anchor): New
15522 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15524 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15526 Fix PR tree-optimization/26443
15527 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15528 to todo and PROP_tmt_usage to properties_destroyed.
15529 * tree-ssa-ccp.c (pass_ccp): Ditto.
15530 (pass_store_ccp): Ditto.
15531 * tree-ssa-dom.c (pass_dominator): Ditto.
15533 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15535 * tree-ssa-operands.c: Cleanup whitespace.
15536 (get_asm_expr_operands): Move before first invocation.
15537 (get_indirect_ref_operands): Likewise.
15538 (get_tmr_operands): Likewise.
15539 (get_call_expr_operands): Likewise.
15540 (append_def): Likewise.
15541 (append_use): Likewise.
15542 (append_v_may_def): Likewise.
15543 (append_v_must_def): Likewise.
15544 (add_call_clobber_ops): Likewise.
15545 (add_call_read_ops): Likewise.
15546 (add_stmt_operand): Likewise.
15547 (add_virtual_operand): Likewise.
15548 (build_ssa_operands): Likewise.
15550 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15552 PR middle-end/26022
15554 PR middle-end/24437
15555 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15556 with a call expr to ...
15557 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15559 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15561 * tree-vrp.c (extract_range_from_assert): Remove special
15562 handling for types with super-types.
15564 2006-03-01 Ben Elliston <bje@au.ibm.com>
15566 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15567 and powerpc64-*-linux* configurations.
15568 * config/t-dfprules: New file.
15570 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15571 Compile dfp-bit.c from the source directory using -DWIDTH and
15572 $DFP_CFLAGS to control the compilation of that file, rather than
15573 generating width-specific versions in the build directory.
15574 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15575 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15577 2006-02-28 Zack Weinberg <zackw@panix.com>
15579 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15582 2006-02-28 Eric Christopher <echristo@apple.com>
15584 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15585 Set up IN_LIBGCC definition of TARGET_64BIT.
15586 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15588 2006-02-28 Roger Sayle <roger@eyesopen.com>
15590 PR middle-end/14752
15591 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15592 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15593 cases via the construction of "expr != 0".
15595 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15597 * alias.c (alias_invariant, alias_invariant_size): Remove.
15598 (record_base_value): Remove.
15599 (memrefs_conflict_p): Don't look at alias_invariant.
15600 (end_alias_analysis): Don't free it.
15601 * alias.h (record_base_value): Remove prototype.
15603 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15604 Adam Nemet <anemet@caviumnetworks.com>
15606 * rtl.h (truncated_to_mode): Declare it.
15607 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15608 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15609 (RTL_HOOKS_INITIALIZER): Include it.
15610 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15611 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15612 reg_truncated_to_mode.
15613 * rtlanal.c (truncated_to_mode): Define it.
15614 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15616 2006-02-28 Jeff Law <law@redhat.com>
15618 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15619 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15620 the range allowed by TYPE_PRECISION.
15622 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15624 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15626 PR tree-optimization/26419
15627 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15630 2006-02-27 Zack Weinberg <zackw@panix.com>
15632 * doc/md.texi: Fix typo in previous change.
15634 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15638 2006-02-27 Zack Weinberg <zackw@panix.com>
15640 * rtl.def (define_constraint, define_register_constraint)
15641 (define_memory_constraint, define_address_constraint): New MD forms.
15642 * gensupport.c (process_rtx): Put define_constraint etc on the
15644 * genpreds.c (process_define_predicate): Adjust comment. Validate
15645 the name, and call validate_exp to validate the expression.
15646 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15647 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15648 all callers changed.
15649 (validate_exp, needs_variable, struct constraint_data)
15650 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15651 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15652 (const_dbl_constraints, constraint_max_namelen)
15653 (have_register_constraints, have_memory_constraints)
15654 (have_address_constraints, have_address_constraints)
15655 (have_extra_constraints, have_const_int_constraints)
15656 (have_const_dbl_constraints, mangle, add_constraint)
15657 (process_define_constraint, process_define_register_constraint)
15658 (write_enum_constraint_num, write_lookup_constraint)
15659 (write_insn_constraint_len, write_regclass_for_constraint)
15660 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15661 (write_insn_extra_memory_constraint)
15662 (write_insn_extra_address_constraint)
15663 (write_satisfies_constraint_fns): New.
15664 (write_tm_preds_h): If we have new-style constraint definitions,
15665 prototype the functions generated from them, and define the
15666 old constraint interface (still used by generic code) in terms of
15668 (write_insn_preds_c): If we have new-style constraint definitions,
15669 generate all relevant functions from those definitions.
15670 (main): Handle define_constraint etc.
15671 * genoutput.c (struct constraint_data, indep_constraints)
15672 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15673 (mdep_constraint_len): New data structures and functions, defined
15674 #ifdef USE_MD_CONSTRAINTS.
15675 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15676 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15677 use new logic to validate operand constraints against constraint
15679 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15681 * defaults.h: If none of the old-style constraint macros are
15682 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15683 old-style macros; and poison REG_CLASS_FROM_LETTER,
15684 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15686 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15687 * doc/md.texi: Document new constraint-definition mechanism and the
15688 C interface it provides. Remove references to old mechanism
15689 elsewhere in the document.
15690 (Machine Constraints): Use pathnames relative to gcc directory,
15691 i.e. config/ARCH/FILE. Change i386 section to refer to
15692 config/i386/predicates.md; update that section to match docstrings.
15693 * doc/tm.texi: Move all documentation of the old constraint-
15694 definition macros to their own section, clearly mark as obsolete.
15696 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15697 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15699 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15700 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15701 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15702 constraint strings.
15703 (splits and peepholes): Use satisfies_constraint_*.
15704 * config/i386/i386.c (memory_address_length)
15705 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15707 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15709 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15710 scalar operation to be put back into the loop.
15712 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15715 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15716 (extract_cie_info): Handle S flag in augmentation string.
15717 (execute_cfa_program): If context->signal_frame, execute also
15718 fs->pc == context->ra instructions.
15719 (uw_frame_state_for): If context->signal_frame, don't subtract one
15720 from context->ra to find FDE.
15721 (uw_update_context_1): Set context->signal_frame to
15723 (_Unwind_GetIPInfo): New function.
15724 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15725 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15727 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15728 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15729 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15730 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15731 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15732 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15733 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15734 x86_64_fallback_frame_state): Set fs->signal_frame.
15735 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15736 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15737 (frob_update_context): Likewise. Workaround missing S flag in
15738 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15739 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15740 Remove the psw_addr + 1 hack.
15742 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15744 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15745 with aggregates here.
15746 (find_func_aliases): Remove code for &<aggregate> from here.
15748 2006-02-26 Roger Sayle <roger@eyesopen.com>
15750 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15751 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15752 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15753 as (X & C) ne/eq 0.
15755 2006-02-26 Roger Sayle <roger@eyesopen.com>
15757 PR middle-end/19983
15758 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15760 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15762 * opts.c (decode_options): Do not handle flag_strength_reduce.
15763 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15764 and OPT_fstrength_reduce.
15765 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15766 flag_prefetch_loop_arrays for being nonzero.
15767 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15769 (fprefetch-loop-arrays-rtl): Removed.
15770 (flag_prefetch_loop_arrays): Do not specify the value.
15772 * doc/passes.texi: Update documentation of loop optimizer
15774 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15775 -frerun-loop-opt): Remove.
15777 2006-02-26 Richard Guenther <rguenther@suse.de>
15779 PR tree-optimization/26421
15780 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15781 in function calls that are ADDR_EXPRs as using the whole structure.
15783 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15785 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15786 * tree-pass.h (pass_loop_optimize): Remove.
15787 * passes.c (pass_loop_optimize): Never run it.
15788 * toplev.c (backend_init): Don't call init_loop.
15789 * opts.c (flag_loop_optimize_set): Remove.
15790 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15791 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15792 the old RTL loop optimizer when profiling enabled.
15793 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15794 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15795 pre-headers for the sake of the old RTL loop optimizer.
15796 * Makefile.in: Remove all references to loop.o.
15798 * doc/invoke.texi: Remove all references to -floop-optimize
15799 and -frerun-loop-opt.
15801 2006-02-26 Zack Weinberg <zackw@panix.com>
15803 * doc/md.texi (Machine Constraints): Refer to all files with paths
15804 relative to gcc directory (i.e. config/CPU/file). Add missing
15805 @table @code ... @end table to M32C subsection.
15807 2006-02-26 Roger Sayle <roger@eyesopen.com>
15809 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15811 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15813 2006-02-26 Roger Sayle <roger@eyesopen.com>
15814 James A. Morrison <phython@gcc.gnu.org>
15816 PR middle-end/21137
15817 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15818 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15819 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15820 signedness of the shift operation.
15822 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15824 PR tree-optimization/26359
15825 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15827 2006-02-25 Roger Sayle <roger@eyesopen.com>
15829 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15830 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15831 as X == 0, and some symmetry related transformations.
15832 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15834 2006-02-25 Roger Sayle <roger@eyesopen.com>
15836 PR middle-end/23673
15837 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15838 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15839 symmetry related transformations. Fold (X^C1) == C2 as
15842 2006-02-25 Juergen Weigert <jw@suse.de>
15843 Richard Guenther <rguenther@suse.de>
15845 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15847 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15849 * combine.c (gen_lowpart_or_truncate): Call
15850 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15852 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15854 * doc/invoke.texi: Move -fopenmp description to "Options for
15856 Remove reference to -lgomp.
15858 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15860 * doc/install.texi: Require GNU tar version 1.14.
15862 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15864 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15865 * doc/invoke.texi (C++ Dialect Options): Document
15866 -fno-use-cxa-get-exception-ptr.
15867 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15868 * configure: Regenerate.
15869 * c.opt (fuse-cxa-get-exception-ptr): New.
15870 * c-opts.c (c_common_handle_option): Handle
15871 OPT_fuse_cxa_get_exception_ptr.
15872 * c-common.c (flag_use_cxa_atexit): Update documentation.
15873 (flag_use_cxa_get_exception_ptr): New.
15874 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15875 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15877 (C_COMMON_OVERRIDE_OPTIONS): New.
15879 2006-02-24 Roger Sayle <roger@eyesopen.com>
15881 PR middle-end/24952
15882 * combine.c (try_combine): Explicitly check whether GET_CODE is
15883 a SET or a CLOBBER, instead on checking that it isn't a USE.
15885 2006-02-24 Roger Sayle <roger@eyesopen.com>
15887 * fold-const.c (fold_comparison): New subroutine of fold_binary
15888 containing transformations common to both the equality and
15889 ordering relational operators, factored out of fold_binary.
15890 (fold_binary): Separate out the equality operators (EQ_EXPR
15891 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15892 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15893 transformations common to both.
15894 (fold_div_compare): Fix latent bugs in the previously unreachable
15895 LT_EXPR and GE_EXPR cases.
15897 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15899 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15900 decl libname for clog to __clog on AIX.
15902 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15904 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15907 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15908 output traceback table for thunks. Localise rs6000_stack_info call.
15910 2006-02-23 Roger Sayle <roger@eyesopen.com>
15911 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15913 * gthr-posix.h (__gthrw): Fix typo in comment.
15915 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15917 * doc/cpp.texi (Character sets): Document that we do support
15918 input files to be in any character set.
15920 2006-02-23 Jeff Law <law@redhat.com>
15922 * tree.h (PHI_ARG_NONZERO): Remove.
15923 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15924 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15925 node to the new node.
15927 PR tree-optimization/26425
15928 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15929 min/max, then assume its varying.
15931 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15933 PR rtl-optimization/26316
15934 * rtlanal.c (enum may_trap_p_flags): New.
15935 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15936 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15937 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15938 (may_trap_after_code_motion_p): New function.
15939 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15940 (find_invariant_insn): Use may_trap_after_code_motion_p.
15941 * rtl.h (may_trap_after_code_motion_p): Declare.
15943 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15945 * emit-rtl.c (immed_double_const): Cleanup.
15947 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15949 Fix PR tree-optimization/26376
15950 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15953 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15955 PR middle-end/26412
15956 * gimplify.c (omp_add_variable): Guard variable size decl test with
15957 DECL_SIZE (decl) check.
15959 2006-02-23 Richard Guenther <rguenther@suse.de>
15961 PR middle-end/26439
15962 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15963 like aggregate types.
15965 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15967 * configure.ac: Add --with{,out}-long-double-128 configure option.
15968 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15969 * configure: Rebuilt.
15970 * config.in: Rebuilt.
15971 * doc/install.texi (Options specification): Document
15972 --with-long-double-128.
15974 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15975 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15976 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15977 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15979 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15981 * config/s390/s390.c (override_options): Handle
15982 TARGET_DEFAULT_LONG_DOUBLE_128.
15984 * config/alpha/alpha.c (override_options): Handle
15985 TARGET_DEFAULT_LONG_DOUBLE_128.
15987 * config/sparc/sparc.c (sparc_override_options): Handle
15988 TARGET_DEFAULT_LONG_DOUBLE_128.
15990 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15992 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15993 (real-install-headers-tar, real-install-headers-cpio)
15994 (real-install-headers-cp): New targets.
15996 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15998 * tree.h (variable_section): Delete.
15999 * varasm.c (variable_section): Delete.
16001 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16003 * install.texi: Add notes on install.texi2html.
16004 (Building in parallel): Do not use footnotes.
16006 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16009 * doc/install.texi (Configuration): Document --disable-libgomp.
16011 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16013 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16015 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16017 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16018 (vec_extractv2df_0_sse): New.
16020 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16022 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16023 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16024 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16025 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16026 to the result of the expression.
16027 (def_cfa_1): Adjust.
16028 (frame_pointer_cfa_offset): Rename to...
16029 (frame_pointer_fb_offset): ... this. Adjust all uses.
16030 (convert_cfa_to_loc_list): Rename to...
16031 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16032 Pass it on to build_cfa_loc.
16033 (compute_frame_pointer_to_cfa_displacement): Rename to...
16034 (compute_frame_pointer_to_fb_displacement): ... this. New
16035 offset parameter. Use it in computation.
16036 (gen_subprogram_die): Compute cfa_fb_offset with the new
16037 macro, and use it to compute the fb loc list and the
16040 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16042 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16043 replaced with register_operand.
16044 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16045 non-DREG is expensive.
16046 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16047 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16050 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16052 * doc/install.texi2html: Use set -e.
16054 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16056 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16057 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16058 * doc/invoke.texi (-fshared-data): Delete.
16059 * common.opt (fshared-data): Delete.
16060 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16061 (assemble_static_space): Remove #if 0 code.
16062 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16063 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16064 * config/cris/cris.h: Remove FIXME.
16066 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16068 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16071 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16073 PR middle-end/26379
16074 * combine.c (simplify_shift_const_1): Disable nested shifts
16075 optimization for vector shifts.
16077 2006-02-20 Roger Sayle <roger@eyesopen.com>
16079 PR tree-optimization/26361
16080 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16081 of unsigned integer types.
16083 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16085 * tree-chrec.c (eq_evolutions_p): New.
16086 * tree-chrec.h (eq_evolutions_p): Declared.
16087 * tree-data-ref.c: Fix formatting.
16088 (datadep_stats, dependence_stats): New.
16090 (print_direction_vector): New.
16091 (dump_data_dependence_relation): Use print_direction_vector.
16092 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16093 (compute_subscript_distance): Static.
16094 (initialize_data_dependence_relation): Static. Get the number
16095 of loops surrounding the references from the callers, and initialize
16096 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16097 base_object_differ_p analyzers.
16098 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16099 compute_overlap_steps_for_affine_1_2,
16100 analyze_subscript_affine_affine): Count the classified dependences.
16101 Print a message when a test failed.
16102 (can_use_analyze_subscript_affine_affine): New.
16103 (analyze_siv_subscript): Compute the data dependences on symbolic
16104 scevs that verify can_use_analyze_subscript_affine_affine.
16105 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16106 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16107 Handle symbolic scevs.
16108 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16110 (subscript_dependence_tester): Moved...
16111 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16112 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16113 DDR_SIZE_VECT instead of getting it in parameter.
16114 (subscript_dependence_tester): ... here. Take as a parameter
16115 loop_nest_depth. Call build_classic_dist_vector and
16116 build_classic_dir_vector.
16117 (compute_affine_dependence): Update subscript_dependence_tester
16118 parameters. Update datadep_stats counters. Call
16119 compute_subscript_distance.
16120 (compute_self_dependence): Save the dist and dir vectors. Call
16121 compute_subscript_distance.
16122 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16123 (compute_all_dependences): Reorder parameters as they were before
16124 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16125 compute_subscript_distance. Update the use of
16126 compute_affine_dependence and initialize_data_dependence_relation.
16127 (find_data_references_in_loop): Handle COMPONENT_REF.
16128 (compute_data_dependences_for_loop): Initialize dependence_stats.
16129 Don't call build_classic_dist_vector and build_classic_dir_vector.
16130 Update the parameters of initialize_data_dependence_relation and
16131 compute_all_dependences. Print the statistics from datadep_stats.
16132 (analyze_all_data_dependences): Static. Not used until the pass for
16133 checking the data dependences is contributed.
16134 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16135 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16136 (initialize_data_dependence_relation, compute_affine_dependence,
16137 analyze_all_data_dependences, compute_subscript_distance): Removed.
16138 (print_direction_vector): New.
16139 * lambda.h (gcd): ... here.
16140 (lambda_vector_gcd): Moved here from gcd_vector.
16141 * lambda-code.c (gcd, gcd_vector): Removed.
16142 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16143 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16145 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16147 * ipa-type-escape.c: Tidy some comments and white space.
16148 * tree-ssa-operands.c: Likewise.
16150 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16153 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16154 (dump_decl_name): Do not walk the decl tree chains.
16155 * tree-pass.h (TDF_CHAIN): Remove.
16157 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16159 * Makefile.in (C): Remove
16161 (.PHONY): Remove C and PROTO
16163 2006-02-20 Roger Sayle <roger@eyesopen.com>
16165 PR middle-end/26236
16166 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16167 deprecated CHAR_TYPE tree code.
16169 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16171 * configure.ac (target_list): Add install-info, dvi, html.
16172 * configure: Regenerate.
16174 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16175 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16176 treelang/Make-lang.in: Do not use double-colon rules.
16178 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16180 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16181 (TMT_USED_ALONE): New macro.
16182 * tree-pass.h (PROP_tmt_usage): New property.
16183 (TODO_update_tmt_usage): New todo.
16184 * tree-ssa-alias.c (updating_used_alone): New variable.
16185 (recalculate_used_alone): New function.
16186 (compute_may_aliases): Set updating_used_alone, call
16187 recalculate_used_alone.
16188 * tree-sra.c (pass_sra): Note that this pass destroys
16189 PROP_tmt_usage, and add TODO_update_tmt_usage.
16190 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16191 * tree-flow.h (updating_used_alone): Prototype.
16192 (recalculate_used_alone): Ditto.
16193 * passes.c (execute_todo): Add code to set updating_used_alone,
16194 and call recalculate.
16195 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16196 for clobber if used alone, and add assert to verify used_alone
16199 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16201 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16202 for non tls symbols added.
16203 (legitimize_address): Do nothing for PLUS expressions if one of the
16204 addends is a tls symbol reference.
16206 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16210 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16212 * Makefile.in (BOOTSTRAPPING): New.
16213 (quickstrap): New definition if BOOTSTRAPPING=yes.
16215 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16216 * configure.ac: Substitute all_selected_languages with the languages
16217 that were configured. For all the other variables except
16218 lang_specs_files, include all the languages in the tree.
16219 * configure: Regenerate.
16221 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16222 if there is one. Run the commands to run fixincludes in the same
16225 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16226 * doc/install.texi: Document exact conventions for searching target tools.
16227 Document --with-build-time-tools. Document toplevel bootstrap. Document
16228 something more about building an Ada cross-compiler. Don't list GNU Make
16229 requirements which affect all platforms.
16231 2006-02-19 Roger Sayle <roger@eyesopen.com>
16233 PR middle-end/19543
16234 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16235 only equivalent if the have both the same mode and precision.
16237 2006-02-20 Ben Elliston <bje@au.ibm.com>
16239 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16241 2006-02-19 Roger Sayle <roger@eyesopen.com>
16242 Steven Bosscher <stevenb.gcc@gmail.com>
16244 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16245 constant pool references to identify stack mode constants.
16246 * rtlanal.c (constant_pool_constant_p): New predicate to check
16247 whether operand is a floating point constant in the pool.
16248 * rtl.h (constant_pool_constant_p): Prototype here.
16249 * loop.c (scan_loop): Avoid hoisting constants from the constant
16250 pool on STACK_REGS targets.
16251 (load_mems): Likewise.
16252 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16253 loads into x87 registers expensive in terms of register pressure.
16255 2006-02-19 Roger Sayle <roger@eyesopen.com>
16257 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16258 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16260 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16262 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16263 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16265 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16267 * doc/invoke.texi: Document -fipa-pta.
16268 * common.opt: Add ipa-pta option.
16269 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16270 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16271 (do_ds_constraint): Ditto.
16272 (get_constraint_for): Only add to referenced_vars if
16273 referenced_vars exists.
16274 (insert_into_field_list): Rewrite to do this unsorted.
16275 (insert_into_field_list_sorted): Rename old insert_into_field_list
16277 (create_function_info_for): Use insert_into_field_list_sorted.
16278 (create_variable_info_for): Rewrite so it uses unsorted version,
16279 since the field list is sorted.
16280 (intra_create_variable_infos): Only add to referenced_vars if
16281 referenced_vars exists.
16282 (ipa_pta_execute): Init heapvars, and delete when done.
16283 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16285 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16287 * doc/install.texi: Add missing `@samp'.
16289 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16291 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16294 2006-02-18 Mark Wielaard <mark@klomp.org>
16296 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16297 who added new 4.1 features, bug fixes and integration support.
16299 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16302 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16303 MEM for ABI_V4 pic.
16305 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16307 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16308 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16309 (copy_insn_1): Likewise. Don't copy each field individually.
16311 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16313 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16314 * rtl.c (rtx_size): Rename variable to...
16315 (rtx_code_size): ...this.
16316 (rtx_size): New function.
16317 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16318 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16320 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16321 * rtl.h (rtx_code_size): New variable.
16322 (rtx_size): Change from a variable to a function.
16323 (RTX_SIZE): Rename to...
16324 (RTX_CODE_SIZE): ...this.
16327 PR tree-optimization/17106
16328 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16329 (Anchored Addresses): New section.
16330 * doc/invoke.texi (-fsection-anchors): Document.
16331 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16332 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16333 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16334 * hooks.c (hook_bool_mode_rtx_false): New function.
16335 * hooks.h (hook_bool_mode_rtx_false): Declare.
16336 * gengtype.c (create_optional_field): New function.
16337 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16338 SYMBOL_REF_IN_BLOCK_P is true.
16339 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16340 (min_anchor_offset, max_anchor_offset): Likewise.
16341 (use_anchors_for_symbol_p): New hook.
16342 * toplev.c (compile_file): Call output_object_blocks.
16343 (target_supports_section_anchors_p): New function.
16344 (process_options): Check that -fsection-anchors is only used on
16345 targets that support it and when -funit-at-a-time is in effect.
16346 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16347 if the decl doesn't have one.
16348 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16349 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16350 of force_const_mem through use_anchored_address.
16351 (expand_expr_constant): New function.
16352 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16353 calling expand_expr for INDIRECT_REF.
16354 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16355 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16356 * expr.h (use_anchored_address): Declare.
16357 * loop-unroll.c: Don't declare rtx vectors here.
16358 * explow.c: Include output.h.
16359 (validize_mem): Call use_anchored_address.
16360 (use_anchored_address): New function.
16361 * common.opt (-fsection-anchors): New switch.
16362 * varasm.c (object_block_htab, anchor_labelno): New variables.
16363 (hash_section, object_block_entry_eq, object_block_entry_hash)
16364 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16365 (use_blocks_for_decl_p, change_symbol_section): New functions.
16366 (get_variable_section): New function, split out from assemble_variable.
16367 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16368 use_blocks_for_decl_p say so. Use change_symbol_section if the
16369 symbol has already been created.
16370 (assemble_variable_contents): New function, split out from...
16371 (assemble_variable): ...here. Don't output any code for
16372 block symbols; just pass them to place_block_symbol.
16373 Use get_variable_section and assemble_variable_contents.
16374 (get_constant_alignment, get_constant_section, get_constant_size): New
16375 functions, split from output_constant_def_contents.
16376 (build_constant_desc): Create a block symbol if use_object_blocks_p
16377 says so. Or into SYMBOL_REF_FLAGS.
16378 (assemble_constant_contents): New function, split from...
16379 (output_constant_def_contents): ...here. Don't output any code
16380 for block symbols; just pass them to place_section_symbol.
16381 Use get_constant_section and get_constant_alignment.
16382 (force_const_mem): Create a block symbol if use_object_blocks_p and
16383 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16384 (output_constant_pool_1): Add an explicit alignment argument.
16385 Don't switch sections here.
16386 (output_constant_pool): Adjust call to output_constant_pool_1.
16387 Switch sections here instead. Don't output anything for block symbols;
16388 just pass them to place_block_symbol.
16389 (init_varasm_once): Initialize object_block_htab.
16390 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16391 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16392 (place_block_symbol, get_section_anchor, output_object_block)
16393 (output_object_block_htab, output_object_blocks): New functions.
16394 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16395 (TARGET_ASM_OUT): Include it.
16396 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16397 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16398 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16399 (TARGET_INITIALIZER): Include them.
16400 * rtl.c (rtl_check_failed_block_symbol): New function.
16401 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16402 (block_symbol, object_block): New structures.
16403 (rtx_def): Add a block_symbol field to the union.
16404 (BLOCK_SYMBOL_CHECK): New macro.
16405 (rtl_check_failed_block_symbol): Declare.
16406 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16407 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16408 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16409 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16410 * output.h (output_section_symbols): Declare.
16411 (object_block): Name structure.
16412 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16413 (default_use_anchors_for_symbol_p): Declare.
16414 * Makefile.in (RTL_BASE_H): Add vec.h.
16415 (explow.o): Depend on output.h.
16416 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16417 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16418 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16419 (rs6000_use_blocks_for_constant_p): New function.
16421 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16423 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16425 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16428 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16431 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16433 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16437 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16439 PR middle-end/26334
16440 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16441 instead of DECL_REGISTER.
16443 2006-02-18 Olivier Hainque <hainque@adacore.com>
16446 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16448 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16451 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16452 * opth-gen.awk: Handle Var and InverseMask together.
16453 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16454 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16455 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16456 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16458 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16459 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16460 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16461 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16462 LINUX_DYNAMIC_LINKER): Define.
16463 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16464 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16466 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16467 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16468 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16470 (TARGET_C99_FUNCTIONS): Don't define.
16471 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16472 GLIBC_DYNAMIC_LINKER.
16473 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16474 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16475 GLIBC_DYNAMIC_LINKER64): Define.
16476 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16477 LINUX_DYNAMIC_LINKER64.
16478 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16479 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16480 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16482 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16484 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16485 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16486 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16487 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16488 and LINUX_DYNAMIC_LINKER32.
16489 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16491 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16493 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16495 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16496 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16497 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16498 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16499 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16500 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16501 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16502 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16503 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16504 LINUX_DYNAMIC_LINKER): Define.
16505 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16506 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16507 GLIBC_DYNAMIC_LINKER64): Define.
16508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16509 LINUX_DYNAMIC_LINKER64.
16510 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16511 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16512 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16513 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16514 LINUX_DYNAMIC_LINKER): Define.
16515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16516 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16517 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16518 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16519 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16520 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16521 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16522 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16523 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16524 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16525 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16526 * doc/invoke.texi (-muclibc): Remove caveat about supported
16529 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16531 * doc/cpp.texi (__TIMESTAMP__): Document.
16533 2006-02-17 Roger Sayle <roger@eyesopen.com>
16535 PR middle-end/25600
16536 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16537 C is one less than the width of X (and related transformations).
16538 * simplify-rtx.c (simplify_unary_operation_1): Transform
16539 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16540 depending on STORE_FLAG_VALUE, were C is one less then the
16543 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16545 Fix PR tree-optimization/26341
16546 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16547 about NAME_MEMORY_TAG's.
16549 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16552 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16553 with hardware float support, and software float support. Add fcpy
16554 alternative to hardware patterns. Add alternatives to copy between
16555 general and floating-point registers to the 32-bit pattern.
16556 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16557 secondary reload to load a QI or HI mode constant into a floating
16559 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16560 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16562 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16565 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16567 (load_macho_picbase_di): Likewise.
16569 2006-02-16 Jeff Law <law@redhat.com>
16571 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16572 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16573 (ssa_name_nonzero_p): Likewise.
16574 (get_value_range): Return NULL if VRP is not running.
16575 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16576 VRP routines do not discover a range.
16577 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16578 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16579 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16580 (tree_expr_nonnegative_p): Similarly.
16581 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16582 (restore_nonzero_vars_to_original_value): Remove.
16583 (unsafe_associative_fp_binop): Remove.
16584 (tree_ssa_dominator_optimize): Remove initialization and
16585 finalization of nonzero_vars and nonzero_vars_stack.
16586 (dom_opt_initialize_block): No longer push marker on
16587 nonzero_vars_stack.
16588 (dom_opt_finalize_block): No longer call
16589 restore_nonzero_vars_to_original_value.
16590 (record_equivalences_from_phis): No longer look for
16591 nonzero PHI arguments.
16592 (cprop_into_successor_phis): No longer propagate nonzero
16593 property into PHI arguments. Lose unused argument. Caller
16595 (record_equivalences_from_stmt): No longer record nonzero
16596 values for SSA_NAMEs.
16597 (lookup_avail_expr): No longer use nonzero_vars.
16599 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16600 for sizetype when sizetype is unsigned.
16602 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16604 PR rtl-optimization/25603
16605 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16606 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16607 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16608 with new meaning of SETS.
16610 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16615 * config/linux.opt: New file.
16616 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16617 LINUX_DYNAMIC_LINKER): Define.
16618 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16619 * config.gcc (*-*-linux*): Define extra_options.
16620 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16621 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16622 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16623 GLIBC_DYNAMIC_LINKER.
16624 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16625 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16626 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16627 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16628 * doc/invoke.texi (GNU/Linux Options): New section.
16630 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16632 * config/sparc/sparc.md (setjmp): Rewrite.
16633 (setjmp_32): Delete.
16634 (setjmp_64): Likewise.
16636 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16638 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16641 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16643 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16646 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16648 PR rtl-optimization/26296
16649 * Makefile.in (loop-invariant.c): Add except.h dependency.
16650 * loop-invariant.c: Include except.h.
16651 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16653 2005-02-16 Paul Brook <paul@codesourcery.com>
16655 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16658 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16660 PR rtl-optimization/25636
16661 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16662 when deciding whether an insn is an initializing insn.
16664 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16666 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16667 (tree_code_size): Ditto.
16668 * tree.h (struct tree_memory_tag): Remove parent_var.
16669 (struct tree_struct_field_tag): New.
16672 (union tree_node): Add sft member.
16673 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16675 (create_sft): Add size and offset argument, set SFT_OFFSET and
16677 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16678 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16679 * tree-flow-inline.h (get_subvar_at): Update for
16680 SFT_OFFSET/SFT_SIZE.
16681 (var_can_have_subvars): Ditto.
16682 (overlap_subvar): Ditto.
16683 * print-tree.c (print_node): Print out interesting things for
16685 * tree-flow.h (struct subvar): Remove offset and size members.
16686 * tree-ssa-operands.c (get_expr_operands): Update for
16687 get_indirect_ref_operands changes.
16688 (get_indirect_ref_operands): Call add_virtual_operand instead of
16689 add_stmt_operand. Only recurse on base var if requested.
16690 (access_can_touch_variable): New function.
16691 (add_stmt_operand): Split virtual operand handling into ...
16692 (add_virtual_operand): Here. Add offset, size, and for_clobber
16693 arguments. Prune alias sets.
16694 (add_call_clobber_ops): Call add_virtual_operand.
16696 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16698 PR middle-end/26300
16699 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16701 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16702 than TREE_CODE as index into omp_clause_num_ops array.
16704 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16706 PR rtl-optimization/26184
16707 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16709 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16710 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16711 must_precede, must_follow and tobe_scheduled.
16714 * opts.c (common_handle_option): Free new_option pointer.
16715 * df-core.c (df_analyze): Free postorder pointer.
16717 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16719 * Makefile.in: Fix the examples about the use of stamps
16721 2006-02-15 Michael Matz <matz@suse.de>
16723 PR middle-end/22275
16725 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16726 influenced by maximum_field_alignment or DECL_PACKED.
16727 (update_alignment_for_field): Ditto.
16728 (place_field): Ditto.
16729 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16732 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16734 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16735 (debug_flow_info): Pass it.
16736 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16737 * bb-reorder.c (reorder_basic_blocks): Likewise.
16738 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16739 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16740 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16741 * gcse.c (gcse_main, bypass_jumps): Likewise.
16742 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16743 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16744 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16745 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16746 * rtl.h (dump_flow_info): Adjust prototype.
16747 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16748 * var-tracking.c (variable_tracking_main): Likewise.
16749 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16750 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16753 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16755 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16758 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16760 PR tree-optimization/26209
16761 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16762 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16764 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16766 2006-02-14 Roger Sayle <roger@eyesopen.com>
16768 PR middle-end/23670
16769 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16770 (X,Y) and the corresponding symmetry related transformations.
16771 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16772 (X,Y) and its symmetry related transformations.
16774 2006-02-14 Roger Sayle <roger@eyesopen.com>
16776 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16779 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16781 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16783 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16786 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16787 support COMDAT group.
16788 * configure: Regenerate.
16790 2006-02-14 Roger Sayle <roger@eyesopen.com>
16792 PR middle-end/26279
16793 PR middle-end/26280
16794 PR middle-end/26283
16795 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16797 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16799 Fix PR tree-optimization/26260
16801 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16803 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16804 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16805 * tree-ssa-structalias.c (create_variable_info_for): Use
16806 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16808 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16810 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16812 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16813 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16814 of the ending condition.
16815 * tree-ssa-loop-manip.c: Include params.h.
16816 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16817 tree_unroll_loop): New functions.
16818 * tree-pass.h (pass_loop_prefetch): Declare.
16819 * loop.c (rest_of_handle_loop_optimize): Test for
16820 -fprefetch-loop-arrays-rtl.
16821 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16822 * timevar.def (TV_TREE_PREFETCH): New timevar.
16823 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16824 pass_loop_prefetch): New.
16825 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16826 (cleanup_tree_cfg_loop): Call scev_reset.
16827 * common.opt (fprefetch-loop-arrays-rtl): Add.
16828 * tree-ssa-loop-prefetch.c: New file.
16829 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16830 (new_temp_expr_table): Initialize expr_vars.
16831 (free_temp_expr_table): Cleanup expr_vars.
16832 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16833 expressions from being merged into one.
16834 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16835 (struct tree_niter_desc): Add control, bound and cmp fields.
16836 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16838 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16839 (tree-cfgcleanup.o): Add SCEV_H dependency.
16840 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16841 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16843 2006-02-14 Richard Guenther <rguenther@suse.de>
16845 PR tree-optimization/26258
16846 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16847 in PHI argument processing.
16849 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16851 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16852 new expression in the requested machine mode.
16854 2006-02-13 Roger Sayle <roger@eyesopen.com>
16856 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16857 directly, instead let do_compare_rtx_and_jump handle this for us.
16858 * expr.c (expand_expr_real_1): Likewise.
16859 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16860 before do_jump_by_parts_greater.
16861 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16862 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16864 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16866 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16868 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16870 PR rtl-optimization/26235
16871 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16872 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16875 2006-02-13 Jeff Law <law@redhat.com>
16877 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16880 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16882 PR middle-end/26092
16883 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16884 twice if decl is a builtin. When trying again, call get_callee_fndecl
16885 first to verify it is still a builtin.
16887 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16889 * dwarf2out.c (base_type_die): Don't add AT_name here.
16890 (subrange_type_die): Don't add AT_name here.
16891 (modified_type_die): Rearrange code flow. Do add AT_name here.
16893 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16895 PR rtl-optimization/26247
16896 PR rtl-optimization/26248
16897 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16899 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16901 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16902 * config/fixtfdi.c: Likewise.
16903 * config/fixunstfdi.c: Likewise.
16904 * config/floatditf.c: Likewise.
16906 2006-02-13 Roger Sayle <roger@eyesopen.com>
16908 PR middle-end/24427
16909 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16910 into (X,C2) if C1 is a subset of the bits of C2. Transform
16911 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16913 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16915 2006-02-13 Josh Conner <jconner@apple.com>
16918 * varasm.c (function_section): Check for section name before
16919 calling select_section on targets that define
16920 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16921 unlikely_text_section instead of hot_function_section if
16922 first_function_block_is_cold.
16924 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16926 PR middle-end/25335
16927 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16929 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16931 PR rtl-optimization/26222
16932 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16933 after tree->rtl expansion.
16934 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16935 before passing it to emit_move_insn.
16937 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16939 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16941 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16942 Clarify documentation.
16943 * c-common.h (warn_write_strings): Remove.
16944 * c-common.c (warn_write_strings): Likewise.
16945 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16948 2006-02-12 Roger Sayle <roger@eyesopen.com>
16950 PR middle-end/25724
16951 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16952 (do_jump_parts_zero_rtx): New function renamed from
16953 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16954 (do_jump_parts_equality_rtx): New function split out from
16955 do_jump_parts_equality. Old implementation renamed as above.
16956 Call do_jump_parts_zero_rtx if either operand is zero.
16957 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16958 do all of the heavy lifting.
16959 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16960 calling either do_jump_by_parts_greater_rtx or
16961 do_jump_by_parts_equality_rtx.
16962 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16963 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16964 moved to do_compare_rtx_and_jump, call it directly.
16965 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16966 mode argument. Call do_compare_rtx_and_jump.
16967 (emit_case_nodes): Update calls to do_jump_if_equal.
16969 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16971 PR rtl-optimization/26225
16972 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16974 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16976 PR rtl-optimization/26232
16977 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16979 2006-02-11 Jason Merrill <jason@redhat.com>
16982 * tree-inline.c (declare_return_variable): Just don't use the
16983 modify target if it's a gimple complex reg and the return slot
16986 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16988 * doc/contrib.texi: Update my entry.
16990 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16992 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16994 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16996 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16999 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17001 * doc/invoke.texi (-floop-optimize2): Removed.
17002 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17003 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17004 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17005 * common.opt (floop-optimize2): Removed.
17006 (fmove-loop-invariants): Enabled by default.
17008 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17010 * tree-if-conv.c (combine_blocks): Free the result of
17011 get_loop_exit_edges.
17013 2006-02-10 Jeff Law <law@redhat.com>
17015 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17017 PR tree-optimization/26213
17018 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17019 loop trying to follow SSA_NAME_VALUE chains.
17021 2006-02-10 Richard Guenther <rguenther@suse.de>
17023 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17024 deal with structures that end in implicitly variable sized arrays.
17026 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17028 PR rtl-optimization/24762
17029 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17032 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17034 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17035 (struct ivopts_data): Add regs_used field.
17036 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17037 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17038 instead of loop_data->regs_used;
17039 (free_loop_data): Do not free aux fields for loops.
17040 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17041 and tree_ssa_iv_optimize_finalize.
17043 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17045 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17047 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17050 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17051 computing the effective result type.
17053 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17055 PR inline-asm/16194
17056 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17057 (tree_overlaps_hard_reg_set): Declare.
17058 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17059 type and signature to match function type expected by walk_tree.
17060 (tree_overlaps_hard_reg_set): New function.
17061 (decl_conflicts_with_clobbers_p): Rename to:
17062 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17063 Use tree_overlaps_hard_reg_set. Changed caller.
17064 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17065 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17066 * cris.c (cris_md_asm_clobbers): Likewise.
17068 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17070 * reload1.c (emit_input_reload_insns): Delete code that tries to
17071 inherit using find_equiv_reg.
17073 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17075 * c-common.h (flag_const_strings): Don't declare.
17076 * c-common.c (flag_const_strings): Remove.
17077 * c.opt (fconst_strings): Remove.
17078 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17079 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17080 (c_common_init_options): Don't set flag_const_strings.
17081 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17083 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17085 * arm.md (tlobits_cbranch): New pattern.
17086 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17087 testing a single bit.
17089 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17092 * tree-ssa-pre.c (create_component_ref_by_pieces):
17093 Handle RETURN_DECL like VAR_DECL.
17095 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17097 PR middle-end/26134
17098 * fold-const.c (fold_indirect_ref_1): Fold
17099 "*(foo *)&complexfoo" to "__real__ complexfoo"
17100 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17102 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17104 * tree-flow-inline.h (var_can_have_subvars):
17105 Volatile variables should not have subvariables.
17107 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17110 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17111 multiplying unsigned values.
17114 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17116 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17118 2006-02-08 Jason Merrill <jason@redhat.com>
17121 * tree.def: Elaborate on difference from MODIFY_EXPR.
17122 * doc/c-tree.texi (INIT_EXPR): Likewise.
17123 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17124 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17125 (gimplify_target_expr): Likewise.
17126 (gimplify_cond_expr): Remove target handling.
17127 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17128 (gimplify_expr): Clobber it here.
17129 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17130 Do return slot optimization if we have an INIT_EXPR.
17133 * tree-inline.c (declare_return_variable): Also clear
17134 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17137 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17139 PR middle-end/22439
17140 * gimplify.c (gimplify_one_sizepos): Fix typo.
17142 2006-02-08 Jeff Law <law@redhat.com>
17144 PR tree-optimization/21417
17145 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17146 across a backedge if the control statement at the end of the
17147 block is data dependent on other statements in the same block.
17148 (record_temporary_equivalences_from_stmts): Remove over-conservative
17149 test for threading across backedges.
17151 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17152 control statement, handle all three special cases in the same
17153 manner as they all have the same desired solution. No longer
17154 special case edge flag updating when the post dominator is
17157 2006-02-08 Roger Sayle <roger@eyesopen.com>
17159 * tree.def (CHAR_TYPE): Remove.
17160 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17161 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17162 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17163 (gen_string_type_die): Delete unreachable function.
17165 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17166 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17167 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17168 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17169 * builtins.c (type_to_class): Likewise.
17170 * fold-const.c (fold_convert, build_range_check,
17171 merge_ranges): Likewise.
17172 * expr.c (count_type_elements): Likewise.
17173 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17174 * stor-layout.c (layout_type): Likewise.
17175 * ipa-type-escape.c (type_to_consider): Likewise.
17176 * gimplify.c (omp_firstprivatize_type_sizes,
17177 gimplify_type_sizes): Likewise.
17178 * explow.c (promote_mode): Likewise.
17179 * tree-sra.c (is_sra_scalar_type): Likewise.
17180 * varasm.c (output_constant): Likewise.
17181 * tree-inline.c (remap_type_1): Likewise.
17182 * convert.c (convert_to_pointer, convert_to_real,
17183 convert_to_integer, convert_to_complex): Likewise.
17185 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17187 * df-scan.c (df_def_record_1): A set destination may
17188 be a parallel regardless of mode.
17190 2006-02-08 Roger Sayle <roger@eyesopen.com>
17193 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17194 * config/mips/_tilib.c: Remove.
17195 * config/fixtfdi.c: New libgcc source file.
17196 * config/fixunstfdi.c: New source file.
17197 * config/floatditf.c: New source file.
17198 * config/floatunditf.c: New souce file.
17199 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17200 files above instead of config/mips/_tilib.c.
17201 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17203 2006-02-08 Jeff Law <law@redhat.com>
17205 PR tree-optimization/26169
17206 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17209 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17211 * df.h (DF_REG_SIZE): Return the length of the initialized
17214 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17216 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17217 __muldf3): Return a correctly signed zero.
17219 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17221 * passes.c (register_one_dump_file): Accept the current properties
17222 instead of pass number. Adjust call to dump_register. Remove
17224 (register_dump_files): Now a wrapper around...
17225 (register_dump_files_1): ... this one. Do not modify the pass
17227 (next_pass_1): Cosmetic fix.
17228 (execute_todo): Keep second parameter only. Use curr_properties
17229 instead of fetching it from the pass structure. Check and set
17231 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17232 instead of fetching it from the pass structure. Fix calls to
17233 execute_todo. Update curr_properties and initialize .vcg RTL dump
17234 after running the pass. Reset last_verified.
17235 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17237 (FIRST_AUTO_NUMBERED_DUMP): New.
17238 (dump_register): Remove "num" parameter, assign it within the
17240 (get_dump_file_name): Modify template for dumps.
17241 * tree-dump.h (dump_register): Adjust prototype.
17242 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17243 (PROP_trees): Add PROP_gimple_lomp.
17244 (TODO_set_props): New.
17245 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17246 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17247 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17249 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17251 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17252 (sparc64-*-linux*): Likewise.
17253 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17254 * config/sparc/t-linux: New file.
17255 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17256 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17257 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17258 -m32 -mlong-double-128.
17260 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17261 * config/alpha/t-linux: New file.
17262 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17264 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17265 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17266 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17267 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17268 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17269 (CPP_ARCH32_SPEC): Remove.
17271 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17273 PR tree-optimization/26145
17274 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17277 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17280 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17281 >= 240000 when generating code for SOM runtime.
17282 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17283 to $$dyncall when generating code for SOM runtime..
17285 2006-02-07 Dirk Mueller <dmueller@suse.com>
17288 * doc/invoke.texi (-Wsequence-point): Update documentation
17289 that -Wsequence-point is implemented for C++ as well.
17291 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17293 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17294 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17295 (LIB_SPEC): Likewise.
17296 * doc/invoke.texi (SPARC options): Document -pthread.
17298 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17300 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17303 2006-02-07 Roger Sayle <roger@eyesopen.com>
17305 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17306 Correct comment describing BOOLEAN_TYPE.
17308 2006-02-07 Dirk Mueller <dmueller@suse.com>
17310 * c.opt: C++ frontend supports -Wdiv-by-zero.
17311 * c-opts.c (c_common_handle_option): Remove dead case.
17313 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17315 * configure.ac (TLS assembler check): Do not enable TLS by
17316 default on SPARC/Solaris before version 10.
17317 * configure: Regenerate.
17319 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17321 * doc/invoke.texi (xl-compat): Document conversion and support
17324 2006-02-07 Jeff Law <law@redhat.com>
17326 * tree-vrp.c (find_conditional_asserts): Update comments.
17327 (simplify_stmt_for_jump_threading): New.
17328 (identify_jump_threads, finalize_jump_threads): New.
17329 (vrp_finalize): Call identify_jump_threads.
17330 (execute_vrp): Call finalize_jump_threads.
17331 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17332 (vrp_element, vrp_data, vrp_element_p): Remove.
17333 (vrp_hash_elt, vrp_variables_stack): Remove.
17334 (vrp_hash, vrp_eq, record_range): Remove.
17335 (simplify_cond_and_lookup_avail_expr): Remove.
17336 (extract_range_from_cond): Remove.
17337 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17338 (simplify_stmt_for_jump_threading): New.
17339 (dom_thread_across_edge): New wrapper.
17340 (tree_ssa_dominator_optimize): No longer initialize or
17341 finalize any of the VRP datastructures. Remove iteration
17342 step and simplify as a result of removal of iteration step.
17343 (pass_dominator): Perform a cfg cleanup after DOM.
17344 (dom_opt_finalize_block): Use the new common routines
17345 for threading jumps. Simplify stack management slightly.
17346 No longer need to unwind VRP state.
17347 (record_equivalences_from_incoming_edge): No longer record
17349 (eliminate_redundant_computations): No longer call
17350 simplify_cond_and_lookup_avail_expr.
17351 * tree-flow.h (potentially_threadable_block): Prototype.
17352 (thread_across_edge): Likewise.
17353 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17354 (tree-ssa-threadedge.o): Add dependencies.
17355 * tree-ssa-threadedge.c: New file.
17356 * passes.c (init_optimization_passes): Merge PHIs before
17357 calling VRP. Run VRP again late in the SSA optimization pipeline.
17359 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17361 * df-core.c (df_set_blocks): Do not dereference function pointers.
17362 (df_finish1): Likewise.
17363 (df_hybrid_search_forward): Likewise.
17364 (df_hybrid_search_backward): Likewise.
17365 (df_iterative_dataflow): Likewise.
17366 (df_analyze_problem): Likewise.
17367 (df_compact_blocks): Likewise.
17368 (df_dump): Likewise.
17369 * df-scan.c (df_rescan_blocks): Likewise.
17370 (df_record_entry_block_defs): Likewise.
17372 * genconditions.c (write_conditions): Guard the definition of
17373 'insn_conditions' with the check on GCC version.
17374 (write_writer): Guard the traversal 'insn_conditions' with
17375 the check on GCC version.
17377 2006-02-07 Richard Guenther <rguenther@suse.de>
17381 2006-01-30 Richard Guenther <rguenther@suse.de>
17383 * gimplify.c (gimplify_target_expr): Handle easy cases
17384 without creating a temporary.
17386 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17388 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17389 use of float in probability computations. Use edge probabilities
17390 in place of statically computed probabilities.
17391 (min_spec_prob): New static variable.
17392 (schedule_insns): Initialize it.
17393 (GET_SRC_PROB): Removed.
17394 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17396 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17399 * config/ia64/unwind-ia64.c: Revert last change.
17400 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17401 (INCOMING_FRAME_SP_OFFSET): Define.
17403 2006-02-06 Roger Sayle <roger@eyesopen.com>
17405 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17407 2006-02-07 Ben Elliston <bje@au.ibm.com>
17409 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17410 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17411 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17412 (ix86_return_in_memory): Handle TDmode.
17413 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17414 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17416 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17418 * reorg.c (dbr_schedule): Use dump_file instead of file.
17420 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17423 * config/ia64/predicates.md (extr_len_operand): New predicate.
17424 * config/ia64/ia64.md (extv): Tighten constraints.
17426 (*tbit_and_2): Ditto.
17427 (*tbit_and_3): Ditto.
17428 (*tbit_or_2): Ditto.
17429 (*tbit_or_3): Ditto.
17430 (*bit_zero): Ditto.
17433 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17436 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17438 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17440 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17441 loop_optimizer_init and loop_optimizer_finalize
17442 * tree-ssa-sink.c (execute_sink_code): Ditto.
17443 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17444 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17445 tree_ssa_loop_done): Ditto.
17446 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17447 * sched-ebb.c: Include output.h.
17448 (schedule_ebbs): Do not use dump argument.
17449 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17450 * loop.c (loop_dump_stream): Removed.
17451 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17453 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17454 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17455 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17456 loop_iterations, strength_reduce, record_biv, record_giv,
17457 final_giv_value, check_final_value, check_ext_dependent_givs,
17458 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17459 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17460 dump_file instead of loop_dump_stream.
17461 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17462 argument dump_file.
17463 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17465 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17466 * haifa-sched.c: Include output.h
17467 (schedule_insns, sched_init): Do not use dump argument.
17468 * mode-switching.c (optimize_mode_switching): Ditto.
17469 * modulo-sched.c (stats_file): Removed.
17470 (print_node_sched_params): Do not call argument dump_file.
17471 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17472 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17474 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17476 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17477 rtl_loop_init, rtl_loop_done): Ditto.
17478 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17479 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17481 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17482 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17483 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17484 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17485 * emit-rtl.c (renumber_insns): Ditto.
17486 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17487 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17488 * regclass.c (regclass): Ditto.
17489 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17490 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17491 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17492 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17494 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17495 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17497 * gcse.c (gcse_file, debug_stderr): Removed.
17498 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17499 rest_of_handle_gcse): Do not use dump argument.
17500 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17501 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17502 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17503 compute_code_hoist_vbeinout, compute_code_hoist_data,
17504 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17505 compute_store_table, build_store_vectors, insert_insn_start_bb,
17506 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17507 store_motion): Use dump_file instead of gcse_file.
17508 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17509 * profile.c (profile_dump_file): Removed.
17510 (branch_prob): Use dump_file instead of profile_dump_file.
17511 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17513 * tree-ssa-copy.c (dump_copy_of): Ditto.
17514 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17515 dump file to life_analysis.
17516 * bt-load.c (branch_target_load_optimize): Ditto.
17517 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17519 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17520 regclass, dbr_schedule): Declaration changed.
17521 * sched-int.h (sched_init): Declaration changed.
17522 * tree-profile.c (tree_profile_dump_file): Removed.
17523 (tree_profile_hooks): Removed profile_dump_file hook.
17524 * rtl-profile (rtl_profile_dump_file): Removed.
17525 (rtl_profile_hooks): emoved profile_dump_file hook.
17526 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17528 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17529 * tree-cfg.c (build_tree_cfg): Ditto.
17530 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17531 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17532 Declaration changed.
17533 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17534 life_analysis and schedule_insns.
17535 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17537 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17539 * config/mips/mips.c (mips_reorg): Ditto.
17540 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17543 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17545 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17546 (s390_mangle_fundamental_type): New.
17547 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17550 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17551 (alpha_mangle_fundamental_type): New.
17552 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17555 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17557 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17559 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17560 (sparc_mangle_fundamental_type): New.
17562 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17564 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17565 (s390x-*-linux*): Likewise.
17566 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17567 * config/s390/t-linux: New file.
17569 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17571 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17572 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17574 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17576 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17577 (ANTIC_SAFE_LOADS): New macro.
17578 (find_or_generate_expression): Add prototype.
17579 (set_contains_value): Allow null set for sake of not always having
17580 to allocate ANTIC_SAFE_LOADS.
17581 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17582 Allow COMPONENT_REF too.
17583 (valid_in_set): Allow COMPONENT_REF.
17584 Check ANTIC_SAFE_LOADS too.
17585 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17586 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17588 (can_PRE_operation): Add COMPONENT_REF.
17589 (create_component_ref_by_pieces): New function.
17590 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17591 (insert_aux): Move AGGREGATE_TYPE_P check here.
17592 (compute_avail): Set bb local stmt uids.
17593 (pass_pre): Use TODO_update_ssa_only_virtuals.
17595 2006-02-06 Ben Elliston <bje@au.ibm.com>
17597 * configure.ac: Unconditionally disable decimal float by default.
17598 * configure: Regenerate.
17600 2006-02-06 Ben Elliston <bje@au.ibm.com>
17602 * read-rtl.c (read_name): Terminate reading on EOF.
17604 2006-02-06 Ben Elliston <bje@au.ibm.com>
17606 * dfp.c (decimal_real_arithmetic): Change second argument type
17607 from int to enum tree_code. Do not always return true, but now
17608 return result of any call to decimal_do helper functions.
17609 * dfp.h (decimal_real_arithmetic): Update prototype.
17611 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17613 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17615 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17618 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17621 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17623 * tree-vrp.c (cfg_loops): Removed.
17624 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17625 Use current_loops instead of cfg_loops. Pass flags to
17626 loop_optimizer_init.
17627 * cfgloopmanip.c (fix_loop_structure): Update only available
17629 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17630 loop_optimizer_init.
17631 * modulo-sched.c (build_loops_structure): Removed.
17632 (sms_schedule): Use loop_optimizer_init.
17633 * loop-init.c (loop_optimizer_init): Use flags to determine
17634 which properties of loops to prepare.
17635 (rtl_loop_init): Pass flags to loop_optimizer_init.
17636 * tree-ssa-sink.c (execute_sink_code): Ditto.
17637 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17638 * tree-ssa-pre.c (init_pre): Ditto.
17639 * cfgloop.h (LOOPS_NORMAL): New.
17640 (loop_optimizer_init): Declaration changed.
17642 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17644 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17645 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17647 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17649 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17651 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17652 * pa/t-pa64: Delete quadlib.c rule.
17653 * pa/x-ada: Revert last change.
17654 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17656 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17658 PR rtl-optimization/26087
17659 * rtlanal.c (canonicalize_condition): Do not cross basic block
17662 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17665 * config/ia64/ia64.c: Include debug.h.
17666 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17667 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17668 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17669 (process_epilogue, process_set, process_for_unwind_directive):
17670 Output unwind info only if requested. Add CFA info if requested.
17671 Add new arguments as needed. Adjust callers.
17672 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17674 (DWARF2_FRAME_INFO): Define to zero.
17675 * config/ia64/unwind-ia64.c: Remove code that compensated for
17676 the CFA offset error fixed above.
17677 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17678 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17679 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17680 -funwind-tables and -fexceptions to enable frame info.
17681 (dwarf2out_frame_init): Define initial CFA even if
17682 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17683 DWARF2_UNWIND_INFO is nonzero, not just defined.
17684 (dwarf2out_frame_finish): Output non-EH call frame info only
17685 if DWARF2_FRAME_INFO is nonzero.
17686 (convert_cfa_to_loc_list,
17687 compute_frame_pointer_to_cfa_displacement): Define even if
17688 unwind info is not supported.
17689 (gen_subprogram_die): Use the above unconditionally. Remove
17690 legacy alternate code.
17691 * toplev.c (compile_file): Compile in call to
17692 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17693 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17695 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17696 Jakub Jelinek <jakub@redhat.com>
17698 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17699 IBM extended float format long double as "g" on powerpc*-linux.
17701 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17704 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17705 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17707 2006-02-03 Jason Merrill <jason@redhat.com>
17710 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17712 PR middle-end/25977
17713 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17714 on the return slot if it's an NRV.
17716 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17718 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17719 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17720 rewrite_use): Do not handle USE_OUTER.
17721 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17722 add_iv_outer_candidates, may_replace_final_value,
17723 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17724 (find_interesting_uses_op): Functionality of
17725 find_interesting_uses_outer_or_nonlin moved here.
17726 (find_interesting_uses_outside): Use find_interesting_uses_op.
17728 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17731 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17733 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17734 Ulrich Weigand <uweigand@de.ibm.com>
17737 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17738 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17739 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17740 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17742 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17743 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17744 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17745 Define secondary reloads for TFmode moves.
17746 (constant_modes): Add TFmode.
17747 (NR_C_MODES): Set to 8.
17748 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17750 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17751 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17752 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17753 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17754 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17755 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17756 (FPR mode macro): Add TFmode.
17757 (DSF mode macro): New.
17758 (<de>, <dee> mode attributes): Removed.
17759 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17760 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17761 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17762 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17763 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17764 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17765 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17766 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17767 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17768 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17769 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17770 "*negabs<mode>2", "sqrt<mode>2"):
17771 Changed <de> to <xde>. R constraint replaced by <Rf>.
17772 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17774 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17775 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17776 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17778 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17779 "extenddftf2", "extendsftf2"): New expanders.
17780 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17781 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17782 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17783 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17785 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17786 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17787 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17788 __floatditf): Add a GCC_4.1.0 symbol version tag.
17789 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17792 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17795 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17796 Use targetm.binds_local_p instead of TREE_PUBLIC.
17798 2006-02-02 Roger Sayle <roger@eyesopen.com>
17800 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17801 on INTEGER_TYPEs to indicate that it denotes a character type.
17802 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17803 signed_char_type_node, unsigned_char_type_node and char_type_node.
17804 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17805 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17806 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17808 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17809 Daniel Berlin <dberlin@dberlin.org>
17811 * tree-tailcall.c (arg_needs_copy_p): New function.
17812 (eliminate_tail_call): Use arg_needs_copy_p.
17813 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17814 (add_virtual_phis): New function.
17816 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17818 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17819 #ignore instead of #scratch for %g7 .register directive.
17821 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17823 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17826 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17828 * flow.c (calculate_global_regs_live): Assert that there aren't any
17831 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17833 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17834 what its name says.
17835 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17836 bsi_after_labels iterator.
17837 * tree-if-conv.c (find_phi_replacement_condition,
17838 replace_phi_with_cond_modify_expr): Likewise.
17839 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17840 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17842 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17844 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17846 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17849 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17850 array after growing it.
17852 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17854 PR middle-end/24901
17855 * fold-const.c (fold_checksum_tree): Change type of buf.
17857 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17859 * reload.c (push_secondary_reload): Initialize t_icode.
17861 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17863 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17864 -msoft-float -mlong-double-128 only issue a warning, but don't
17865 swich to DFmode long double.
17867 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17869 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17870 has a constant equivalent, iterate over equivalents for arg0,
17871 calling simplify_relational_operation and if there's a result
17872 cheaper than X, apply fold_rtx and return the result.
17874 2006-02-01 Jan Hubicka <jh@suse.cz>
17876 * opts.c (no_unit_at_a_time_default): New global variable.
17877 (decode_options): Use it.
17878 * opts.h (no_unit_at_a_time_default): Declare.
17880 2006-02-01 Paul Brook <paul@codesourcery.com>
17882 * function.c (assign_parm_setup_reg): Use function argument promotion
17884 * expr.c (expand_expr_real_1): Use function argument promotion rules
17887 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17889 * gcc.c (process_command): Change j to 'unsigned int'.
17891 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17893 PR middle-end/26001
17894 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17895 Use the corrected index for the character
17896 out of the string constant.
17898 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17900 * mode-switching.c (optimize_mode_switching): Fix size
17901 allocated for bb_info[n_entities].
17903 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17905 * gcc.c (main): Correct type that is allocated for
17906 explicit_link_files.
17908 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17910 * config/s390/s390.c (init_alignment_context): Set
17911 ALIAS_SET_MEMORY_BARRIER on the MEM.
17912 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17914 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17916 PR middle-end/25933
17917 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17919 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17922 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17924 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17925 * regrename.c: Ditto.
17926 * tree-ssa-loop-im.c: Ditto.
17927 * tree-dump.c: Ditto.
17928 * tree-complex.c: Ditto.
17929 * genrecog.c: Ditto.
17930 * tree-ssa-threadupdate.c: Ditto.
17932 * java/class.c: Ditto.
17933 * java/jcf-parse.c: Ditto.
17934 * java/resource.c: Ditto.
17935 * java/except.c: Ditto.
17936 * java/jvspec.c: Ditto.
17937 * java/jcf-write.c: Ditto.
17938 * java/jcf-path.c: Ditto.
17939 * java/gjavah.c: Ditto.
17940 * java/zextract.c: Ditto.
17941 * java/jcf-io.c: Ditto.
17942 * java/jcf.h: Ditto.
17943 * java/buffer.c: Ditto.
17944 * java/lang.c: Ditto.
17945 * java/parse-scan.y: Ditto.
17946 * java/lex.c: Ditto.
17947 * java/lex.h: Ditto.
17948 * cfgloopmanip.c: Ditto.
17949 * postreload-gcse.c: Ditto.
17950 * tree-ssa-loop-manip.c: Ditto.
17951 * postreload.c: Ditto.
17952 * tree-ssa-loop-ch.c: Ditto.
17955 * cppspec.c: Ditto.
17956 * diagnostic.c: Ditto.
17958 * genoutput.c: Ditto.
17960 * cfghooks.c: Ditto.
17961 * cfgloopanal.c: Ditto.
17962 * objc/objc-act.c: Ditto.
17964 * genextract.c: Ditto.
17965 * genautomata.c: Ditto.
17966 * pretty-print.c: Ditto.
17967 * genemit.c: Ditto.
17968 * cgraphunit.c: Ditto.
17970 * df-scan.c: Ditto.
17971 * haifa-sched.c: Ditto.
17972 * dominance.c: Ditto.
17974 * tree-ssa-loop-ivopts.c: Ditto.
17975 * df-core.c: Ditto.
17976 * mode-switching.c: Ditto.
17977 * modulo-sched.c: Ditto.
17979 * ipa-pure-const.c: Ditto.
17981 * fix-header.c: Ditto.
17983 * tree-stdarg.c: Ditto.
17984 * ipa-utils.c: Ditto.
17985 * loop-init.c: Ditto.
17986 * ipa-inline.c: Ditto.
17987 * cfganal.c: Ditto.
17989 * alloc-pool.c: Ditto.
17990 * dwarf2out.c: Ditto.
17992 * genattrtab.c: Ditto.
17993 * tree-ssa-loop-ivcanon.c: Ditto.
17994 * predict.c: Ditto.
17995 * timevar.c: Ditto.
17997 * fortran/gfortranspec.c: Ditto.
17998 * regmove.c: Ditto.
17999 * local-alloc.c: Ditto.
18000 * langhooks.c: Ditto.
18001 * function.c: Ditto.
18002 * tree-vectorizer.c: Ditto.
18004 * ipa-type-escape.c: Ditto.
18006 * tree-if-conv.c: Ditto.
18007 * profile.c: Ditto.
18009 * tree-data-ref.c: Ditto.
18010 * loop-unroll.c: Ditto.
18011 * treelang/treetree.c: Ditto.
18013 * bt-load.c: Ditto.
18014 * ggc-common.c: Ditto.
18016 * coverage.c: Ditto.
18018 * tree-cfgcleanup.c: Ditto.
18019 * tree-ssa-pre.c: Ditto.
18020 * cfgcleanup.c: Ditto.
18021 * loop-invariant.c: Ditto.
18022 * loop-iv.c: Ditto.
18023 * ipa-prop.c: Ditto.
18024 * print-tree.c: Ditto.
18025 * conflict.c: Ditto.
18026 * ggc-page.c: Ditto.
18027 * sched-deps.c: Ditto.
18028 * regclass.c: Ditto.
18029 * tree-object-size.c: Ditto.
18030 * combine.c: Ditto.
18031 * bb-reorder.c: Ditto.
18032 * resource.c: Ditto.
18033 * var-tracking.c: Ditto.
18034 * cfgloop.c: Ditto.
18035 * df-problems.c: Ditto.
18036 * reg-stack.c: Ditto.
18038 * gccspec.c: Ditto.
18039 * sched-rgn.c: Ditto.
18040 * tree-ssa-structalias.c: Ditto.
18041 * tree-ssa-reassoc.c: Ditto.
18042 * config/darwin-c.c: Ditto.
18043 * config/darwin.c: Ditto.
18044 * config/arm/arm.c: Ditto.
18046 * collect2.c: Ditto.
18047 * reload1.c: Ditto.
18049 2006-01-31 Nicolas Pitre <nico@cam.org>
18051 * arm.md (smaxsi3): Make aware of smax_m1.
18054 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18056 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18058 2006-01-31 Richard Guenther <rguenther@suse.de>
18060 * doc/invoke.texi (-msselibm): Document.
18061 * target.h (expand_library_builtin): New target hook.
18062 * builtins.c (expand_builtin): Use expand_library_builtin.
18063 (default_expand_library_builtin): New function.
18064 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18065 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18066 (link_gcc_math_spec): Declare.
18067 (static_specs): Add link_gcc_math_spec.
18068 * expr.h (default_expand_library_builtin): Declare.
18069 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18070 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18071 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18072 * config/i386/i386.opt (msselibm): New target option.
18073 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18074 (ix86_init_sse_abi_builtins): New function.
18075 (ix86_expand_library_builtin): Likewise.
18076 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18077 (override_options): Handle error conditions wrt -msselibm.
18078 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18079 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18080 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18083 2006-01-31 Richard Guenther <rguenther@suse.de>
18084 Paolo Bonzini <bonzini@gnu.org>
18086 * doc/install.texi (--disable-libgcc-math): Document.
18088 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18090 * expr.h (expand_normal): new inline function.
18091 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18092 * dojump.c: use it.
18093 * dwarf2out.c: use it.
18096 * expmed.c: use it.
18097 * except.c: use it.
18098 * config/sparc/sparc.c: use it.
18099 * config/i386/i386.c: use it.
18100 * config/rs6000/rs6000.c: use it.
18101 * config/arm/arm.c: use it.
18102 * config/mips/mips.c: use it.
18103 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18105 2006-01-30 Roger Sayle <roger@eyesopen.com>
18107 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18108 argv to the appropriate type.
18110 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18112 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18115 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18118 * config/s390/s390.c (struct machine_function): New flag
18119 decomposed_literal_pool_addresses_ok_p.
18120 (s390_reorg): Set it before final stage of literal pool transforms.
18121 (s390_decompose_address): Only accept displacements of the form
18122 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18124 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18126 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18127 the comparison routine return.
18129 2006-01-30 Michael Matz <matz@suse.de>
18131 * global.c (find_reg): Only evict for global regs.
18132 Take n_refs into account and dump more info.
18134 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18137 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18138 (pragma_trap, pragma_nosave_low_regs): Likewise.
18139 (current_function_anonymous_args): Likewise.
18140 (sh_deferred_function_attributes): New variable.
18141 (sh_deferred_function_attributes_tail): Likewise.
18142 (print_operand): For '@', look up trap_exit attribute.
18143 (calc_live_regs): Look up trapa_handler attribute. For trapa
18144 handlers, save/restore fpscr, but don't do any other
18145 interrupt-specific saves.
18146 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18147 Fix check for partially saved registers to check for SHmedia.
18148 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18149 (sh_output_function_epilogue): Don't clear any of the removed
18151 (sh_insert_attributes): Don't check pragma_interrupt.
18152 Insert deferred attributes. Check that interrupt attribute is
18153 present for other attributes that require its presence.
18154 (sh_attribute_table): Add new attributes trapa_handler and
18156 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18157 Don't check for pragma_interrupt. Don't store argument.
18158 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18159 (sh_deferred_function_attributes): Declare.
18160 (sh_deferred_function_attributes_tail): Likewise.
18161 * sh.md (sp_switch_1): Add operand. Change generator caller.
18162 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18163 (*return_i): Don't use when trap_exit attribute is in effect.
18164 (*return_trapa): New insn pattern.
18165 * sh-c.c: New file.
18166 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18167 setting c_target_objs and cxx_target_objs.
18168 * t-sh: Add rule for sh-c.o.
18170 2006-01-30 Richard Guenther <rguenther@suse.de>
18173 * gimplify.c (gimplify_target_expr): Handle easy cases
18174 without creating a temporary.
18176 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18178 * vec.h (safe_grow): Remove duplicated line.
18180 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18183 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18184 (expand_omp): ... here.
18185 (expand_omp_parallel): Only remove barriers for combined
18186 parallel+workshare constructs.
18188 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18192 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18193 * tree.c (build_qualified_type): Chain the new type to the original
18194 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18195 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18196 (build_pointer_type_for_mode): Only return unqualified types.
18197 (build_reference_type_for_mode): Likewise.
18199 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18201 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18202 * Makefile.in (CXX_COMPAT_WARN): Define.
18203 * configure: Regenerate.
18205 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18208 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18211 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18213 * toplev.c: Fix thinko.
18215 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18216 Marcin Dalecki <martin@dalecki.de>
18218 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18219 (push_srcloc): Use XNEW.
18220 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18222 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18224 * df-core.c (df_set_blocks): Deleted all variable.
18226 2006-01-28 Ian Lance Taylor <ian@airs.com>
18228 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18229 cgraph_output_pending_asms.
18231 2006-01-28 Zack Weinberg <zackw@panix.com>
18233 * c.opt: Add -W(no-)overlength-strings.
18234 * doc/invoke.texi: Document it.
18235 * c-opts.c (c_common_handle_option): -pedantic implies
18236 -Woverlength-strings, if not explicitly disabled already.
18237 (c_common_post_options): -Woverlength-strings defaults to off, and
18238 is always off for C++.
18239 * c-common.c (fix_string_type): Issue warning about strings longer
18240 than is portable only if warn_overlength_strings. Rearrange code
18241 a little for clarity.
18242 * configure.in: Check for -Wno-overlength-strings as well before
18243 enabling -pedantic in stage 1.
18244 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18245 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18247 * genconditions.c (write_header, write_one_condition)
18248 (write_conditions, write_writer): Consolidate very long strings
18249 that were broken up to fit in C89 portable limit. Don't use
18250 printf when fputs will do.
18252 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18254 * combine.c (simplify_comparison <AND>): Check
18255 TRULY_NOOP_TRUNCATION before start using a subreg.
18257 * config/mips/mips.md (*branch_zero<mode>,
18258 *branch_zero<mode>_inverted, *branch_equality<mode>,
18259 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18260 Remove mode check from comparisons.
18262 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18264 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18266 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18268 * expmed.c (const_mult_add_overflow_p): Remove.
18269 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18271 * recog.c (validate_replace_rtx_subexp): Remove.
18272 * recog.h: Remove the prototype for
18273 validate_replace_rtx_subexp.
18275 * integrate.h: Remove the prototype for
18276 copy_decl_for_inlining.
18277 * rtl.h: Remove the prototype for mark_constant_function.
18278 * tree-vectorizer.h: Remove the prototype for
18279 vect_strip_conversion.
18281 * modulo-sched.c (create_partial_schedule,
18282 free_partial_schedule, reset_partial_schedule): Make them
18285 * hooks.c (hook_bool_rtx_int_false): Remove.
18286 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18288 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18290 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18291 and -mlong-double-128 are incompatible.
18292 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18293 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18294 (TARGET_LIBGCC2_CFLAGS): Define.
18295 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18296 (TARGET_LIBGCC2_CFLAGS): Same.
18297 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18299 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18302 * c-typeck.c (build_binary_op): Perform implicit casts of
18303 operands before shortening them.
18305 * cfgloopmanip.c (split_loop_bb): Remove.
18306 * cfgloop.h: Remove the prototype for split_loop_bb.
18308 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18309 * cfgloop.h: Remove the prototype for
18310 flow_loop_outside_edge_p.
18312 * emit-rtl.c (init_virtual_regs): Make it static.
18313 * function.h: Remove the prototype for init_virtual_regs.
18315 * recog.c (peephole2_optimize): Make it static.
18316 * recog.h: Remove the prototype for peephole2_optimize.
18318 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18320 * df-scan.c (df_record_entry_block_defs): Check if
18321 INCOMING_RETURN_ADDR_RTX is defined.
18323 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18324 Kenneth Zadeck <zadeck@naturalbridge.com>
18326 PR rtl-optimization/24762
18327 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18328 * targhooks.c (hook_void_bitmap): New hook prototype.
18329 * targhoohs.h (hook_void_bitmap): Ditto.
18330 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18331 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18332 * target.h (live_on_entry): New function pointer.
18333 * df-scan.c (df_all_hard_regs): Removed.
18334 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18335 (df_scan_free_internal): Added df->entry_block_defs.
18336 (df_scan_alloc): Ditto.
18337 (df_scan_dump): Ditto.
18338 (df_uses_record): Plumbed flag field properly thru calls.
18339 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18340 This part fixes PR24762.
18341 (df_bb_refs_record): Added code to make the frame and arg
18342 pointers live in EH blocks.
18343 (df_refs_record): Added call to df_record_entry_block_defs.
18344 (df_record_entry_block_defs): New function.
18345 * df-core.c: Added comments to describe new artifical defs.
18346 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18347 (entry_block_defs): New field in struct df.
18348 (df_all_hard_regs): Deleted.
18349 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18350 * df-problems.c (df_ru_bb_local_compute_process_def):
18351 Added code to handle artifical defs in the entry to a function.
18352 (df_ru_bb_local_compute): Ditto.
18353 (df_rd_bb_local_compute_process_def): Ditto.
18354 (df_rd_bb_local_compute): Ditto.
18355 (df_lr_bb_local_compute): Ditto.
18356 (df_ur_bb_local_compute): Ditto.
18357 (df_urec_bb_local_compute): Ditto.
18358 (df_chain_create_bb): Ditto.
18359 (df_ur_local_finalize): Removed entry.
18360 (df_urec_init): Ditto.
18361 (df_urec_local_finalize): Ditto.
18362 (df_ri_bb_compute): Added detection of last use of pseudos.
18363 * Makefile.in (df-scan.o): Updated dependencies.
18364 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18365 * config/mips/mips.c (mips_set_live_on_entry): Added.
18366 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18368 * dce.c (marked_insn_p): Added code to handle artifical defs.
18370 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18372 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18374 (_mm_cvtsi128_si64): Likewise.
18375 (_mm_cvtsd_si64): Likewise.
18376 (_mm_cvttsd_si64): Likewise.
18377 (_mm_cvtsi64_sd): Likewise.
18378 (_mm_cvtsi64_si128): Likewise.
18379 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18380 (_mm_cvtsi64_m64): Likewise.
18381 (_m_to_int64): Likewise.
18382 (_mm_cvtm64_si64): Likewise.
18383 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18384 (_mm_cvttss_si64): Likewise.
18385 (_mm_cvtsi64_ss): Likewise.
18386 (_mm_cvtss_f32): Likewise.
18388 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18390 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18391 for pragma redefine_extname.
18393 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18396 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18397 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18398 -mno-minimal-toc to previous content.
18399 (bispecs): Remove goal.
18400 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18401 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18402 compatibility aliases on powerpc-*-*gnu*.
18403 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18404 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18405 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18406 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18407 (ldblspecs): New goal.
18408 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18409 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18411 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18412 L_sf_to_tf or L_df_to_tf is defined.
18414 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18415 Alan Modra <amodra@bigpond.net.au>
18418 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18419 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18420 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18421 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18422 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18423 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18424 (rs6000_override_options): Initialize rs6000_ieeequad.
18425 Initialize TFmode format to ibm_extended_format if not
18427 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18429 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18430 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18431 (function_arg_advance): IBM long double passed in two FPRs, not
18433 (function_arg): IBM long double passed in FPRs.
18434 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18435 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18436 Only multireg GPR aligned.
18437 (rs6000_init_libfuncs): Enable IBM long double functions if not
18439 (rs6000_generate_compare): Use IBM long double compare if not
18441 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18442 (TARGET_IEEEQUAD): Define.
18443 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18444 not TARGET_IEEEQUAD.
18445 * config/rs6000/rs6000.md: Enable TFmode patterns if
18447 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18448 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18449 and -mlong-double-128 are incompatible.
18450 * doc/invoke.texi (-mabi): Collect options together. Add
18451 ibmlongdouble and ieeelongdouble.
18453 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18455 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18457 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18458 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18459 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18460 * rtl.h (rtunion_def): Remove rt_ptr.
18462 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18463 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18464 * config/i386/winnt.c (i386_pe_mark_dllexport)
18465 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18467 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18469 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18471 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18475 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18476 pthread_key_delete. From John David Anglin. gthrw-ify
18477 pthread_getunique_np only if it it's not a macro. Delete
18479 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18480 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18481 __gthread_objc_condition_signal, __gthread_key_delete): Add
18482 "__attribute__ ((__unused__))" to unused arguments.
18483 (__gthread_recursive_mutex_init_function): Add missing return.
18484 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18485 gthr-posix95.h: Use macro-based approach for name redirection
18486 on targets missing weakref.
18488 2006-01-26 Zack Weinberg <zackw@panix.com>
18490 * genconditions.c (write_header): In generated code, #ifdef out
18491 all includes and fake declarations, except includes of bconfig.h
18492 and system.h, unless GCC_VERSION >= 3001. Do not include
18493 gensupport.h in any case.
18494 (write_conditions): Generate a definition of struct c_test. Add
18495 a comment to the generated #endif.
18496 (write_one_condition): Escape backslashes in string too.
18497 (write_writer): Generated code must escape backslashes and quote
18498 marks (but not newlines) in the strings it writes.
18499 * Makefile.in (build/gencondmd.o): Update dependencies.
18501 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18504 * Makefile.in (insn-automata.o): Add header file dependencies.
18505 * genautomata.c: Add includes.
18507 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18510 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18512 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18514 * configure.ac: Expect target tools paths to be passed from the toplevel
18515 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18517 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18519 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18522 * c.opt (Wpointer-sign): Init to -1.
18523 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18524 OPT_pedantic, to 0 otherwise.
18525 * doc/invoke.texi: Update.
18527 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18529 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18530 constants provided by 80387 instructions in the destination mode.
18532 2006-01-26 Richard Guenther <rguenther@suse.de>
18533 Andrew Pinski <pinskia@physics.uc.edu>
18536 partial PR tree-opt/17064
18537 * tree-ssa-structalias.c (intra_create_variable_infos):
18538 Create heap variables for incoming parameters if
18539 flag_argument_noalias > 1.
18540 (find_what_p_points_to): Look through default defs of
18543 2006-01-26 Jeff Law <law@redhat.com>
18546 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18547 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18548 within the VR_RANGE, use the VR_RANGE as the result, not the
18550 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18551 bounds for the type.
18553 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18555 * tree-ssa-alias.c (maybe_create_global_var): Change
18556 subvar walking to an assertion that we don't have subvar'd variables.
18558 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18561 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18562 Use a new variable, inner. PARM_DECLs are always non-weak.
18564 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18566 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18567 --disable-checking.
18569 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18571 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18573 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18575 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18576 (smax_insn, smin_insn, smax_0, smin_0): New.
18578 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18581 * config/cris/cris.c (cris_order_for_addsi3): New function.
18582 * config/cris/cris-protos.h: Prototype it.
18583 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18584 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18585 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18586 (split for "op.S1 [rx=rx+i],ry (swapped)")
18587 (split for "op(s|u).S1 [rx=rx+i],ry")
18588 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18589 Apply cris_order_for_addsi3 when generating addsi3 insns.
18591 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18593 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18594 (TREE_BLOCK): Add call to EXPR_CHECK.
18596 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18599 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18600 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18601 (dump_omp_clauses): ... here.
18602 (dump_generic_node): Handle OMP_CLAUSE.
18603 * tree.c (omp_clause_num_ops): New.
18604 (omp_clause_code_name): New.
18605 (tree_code_size): Handle OMP_CLAUSE.
18606 (tree_size): Likewise.
18607 (make_node): Document handling of OMP_CLAUSE.
18608 (tree_node_structure): Handle OMP_CLAUSE.
18609 (omp_clause_check_failed): New.
18610 (omp_clause_range_check_failed): New.
18611 (omp_clause_operand_check_failed): New.
18612 (build_omp_clause): New.
18613 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18614 * tree.h (enum omp_clause_code): Declare.
18615 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18616 (OMP_CLAUSE_RANGE_CHECK): Define.
18617 (OMP_CLAUSE_ELT_CHECK): Define.
18618 (omp_clause_check_failed): Declare.
18619 (omp_clause_operand_check_failed): Declare.
18620 (omp_clause_range_check_failed): Declare.
18621 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18622 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18623 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18624 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18625 (OMP_CLAUSE_IF_EXPR): Likewise.
18626 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18627 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18628 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18629 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18630 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18631 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18632 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18633 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18634 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18635 (OMP_CLAUSE_CODE): Define.
18636 (OMP_CLAUSE_SET_CODE): Define.
18637 (OMP_CLAUSE_CODE): Define.
18638 (OMP_CLAUSE_OPERAND): Define.
18639 (struct tree_omp_clause): Declare.
18640 (union tree_node): Add field 'omp_clause'.
18641 * treestruct.def (TS_OMP_CLAUSE): Define.
18642 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18643 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18644 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18645 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18646 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18647 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18648 (OMP_CLAUSE): Define.
18649 * print-tree.c (print_node): Handle OMP_CLAUSE.
18650 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18651 * c-typeck.c: Likewise.
18652 * gimplify.c: Likewise.
18653 * c-omp.c: Likewise.
18654 * tree-nested.c: Likewise.
18655 * tree-inline.c: Likewise.
18656 * c-parser.c: Likewise.
18657 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18660 2006-01-25 Roger Sayle <roger@eyesopen.com>
18662 PR rtl-optimization/25703
18663 * combine.c (try_combine): Handle zero_extract and strict_low_part
18664 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18666 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18668 * global.c: Fix comment typos.
18670 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18673 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18674 Use output_addr_const instead of assemble_name.
18676 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18678 * Makefile.in (sched-vis.o): Update dependencies.
18679 * haifa-sched.c (sched_finish): Clear current_sched_info.
18680 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18681 (dump_flow_info): Call it.
18682 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18684 * basic-block.h (dump_bb_info): Declare.
18685 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18686 option, and apply options only for dump files whose TDF_RTL,
18687 TDF_TREE, or TDF_IPA bits match.
18688 * rtl.h: Declare new functions exported from sched-vis.c.
18689 * sched-vis.c: Enable also if scheduling is not used.
18690 (print_value): Print the mode of registers if not inside scheduling.
18691 (print_insn): Make it work outside the scheduler. Beautify the output
18693 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18695 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18697 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18698 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18699 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18700 depending on the value of CONSTANT_POOL_ADDRESS_P.
18701 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18703 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18704 rather than SYMBOL_REF_DECL.
18705 (rtx_constant_pool): Remove const_rtx_sym_htab.
18706 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18707 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18708 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18709 Remove handling of const_rtx_sym_htab.
18710 (find_pool_constant): Delete.
18711 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18712 rather than find_pool_constant.
18713 (get_pool_constant_for_function): Delete.
18714 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18715 find_pool_constant.
18716 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18717 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18718 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18719 (SYMBOL_REF_CONSTANT): New macro.
18720 (get_pool_constant_for_function): Delete.
18721 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18722 rather than SYMBOL_REF_DECL.
18723 (i386_pe_mark_dllimport): Likewise.
18724 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18725 rather than SYMBOL_REF_DECL.
18726 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18727 (machopic_indirect_call_target): Likewise.
18729 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18731 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18733 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18735 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18737 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18739 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18741 2006-01-24 David Daney <ddaney@avtrex.com>
18744 * configure.ac (enable_tls): New enable option.
18745 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18746 * configure: Regenerate.
18747 * doc/install.texi (--enable-tls): Document new option.
18748 (--disable-tls): Ditto.
18750 2006-01-24 Richard Henderson <rth@redehat.com>
18752 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18753 * alias.c (true_dependence): Respect it.
18754 (canon_true_dependence, write_dependence_p): Likewise.
18755 * builtins.c (get_builtin_sync_mem): Set it.
18757 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18759 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18762 2006-01-24 DJ Delorie <dj@redhat.com>
18764 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18765 for storing constants in single-bit bitfields.
18767 2006-01-25 Ben Elliston <bje@au.ibm.com>
18769 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18771 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18774 * tree-ssa-pre.c (phi_translate): Return NULL
18775 for AGGREGATE_TYPE's.
18777 2006-01-24 Zack Weinberg <zackw@panix.com>
18779 * genautomata.c (process_state_for_insn_equiv_partition):
18780 Use xcalloc for insn_arcs_array.
18781 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18782 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18784 2006-01-24 Richard Henderson <rth@redhat.com>
18786 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18787 update all callers.
18789 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18791 PR rtl-optimization/25890
18792 PR rtl-optimization/25905
18793 * combine.c (expand_compound_operation, expand_field_assignment):
18794 Fail if the bitfield's final position is out of bounds.
18796 2006-01-24 Ian Lance Taylor <ian@airs.com>
18798 PR middle-end/25930
18799 * cgraphunit.c (cgraph_output_in_order): Don't clear
18800 cgraph_asm_nodes until after asm strings have been output.
18802 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18804 * fix-header.c (read_scan_file): Add new parameter imultilib when
18805 calling register_include_chains.
18807 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18809 * omp-low.c: Update documentation.
18811 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18812 Daniel Berlin <dberlin@dberlin.org>
18816 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18817 return from the function.
18819 2006-01-22 Zack Weinberg <zackw@panix.com>
18821 * rtl.def (match_code): Add second argument.
18822 * genpreds.c (write_extract_subexp): New function.
18823 (write_match_code): Add path argument. Use write_extract_subexp.
18824 (write_predicate_expr): Pass path to write_match_code.
18825 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18826 not perform a mode test.
18827 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18828 a subexpression does not constrain the top-level code set.
18829 * read-rtl.c (read_rtx_variadic): New function.
18830 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18831 * doc/md.texi: Document new notation.
18832 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18833 (cmpsi_operand): ... here, using new notation.
18835 2006-01-22 Zack Weinberg <zackw@panix.com>
18837 * varray.c: Remove GENERATOR_FILE #ifdefs.
18839 2006-01-22 Zack Weinberg <zackw@panix.com>
18841 * genautomata.c (output_reserved_units_table): Emit nothing if
18842 description->query_units_num is zero. Remove extra blank line.
18843 (output_cpu_unit_reservation_p): Short circuit
18844 if description->query_units_num is zero.
18846 2006-01-22 Zack Weinberg <zackw@panix.com>
18848 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18849 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18850 nor any of the random handful of variables that used to be necessary
18851 when this program was linked with rtlanal.o. Prune set of forward
18852 function declarations.
18853 (struct attr_desc): Remove static_p field.
18854 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18855 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18856 (attr_string): Do not read the character one past the length of
18858 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18859 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18860 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18861 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18862 (make_automaton_attrs): New.
18863 (main): Do not call into genautomata. Call local gen_bypass
18864 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18865 Remove special case for insn_alts.
18866 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18867 varray.h (leftover from previous change). Prune set of forward
18868 function declarations. Remove state_alts fields from all
18869 structures. Remove state_alts_table from struct automaton.
18870 Make everything except main static. Do not maintain num_dfa_decls.
18871 Do not maintain state_alts fields of various structures.
18872 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18873 (add_arc): Remove state_alts argument. All callers updated.
18874 (output_reserved_units_table): Emit #ifdef here...
18875 (output_tables): ...not here. Don't generate state_alts tables.
18876 (expand_automata): Don't generate attributes.
18877 (write_automata): Don't generate state_alts functions.
18878 (main): New function.
18879 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18880 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18881 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18882 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18883 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18884 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18885 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18886 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18888 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18889 * genattrtab.h: Delete file.
18890 * Makefile.in (OBJS-common): Add insn-automata.o.
18891 (insn-automata.o): New rule.
18892 (simple_generated_c): Add insn-automata.c.
18893 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18894 (genprogmd): Add automata.
18895 (build/genattrtab): Needs no extra objects nor libraries.
18896 (build/genautomata): Needs build/vec.o and -lm.
18898 2006-01-22 Zack Weinberg <zackw@panix.com>
18900 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18901 (output_dfa_max_issue_rate, locked_states_num): Delete.
18902 (struct automaton): Add locked_states field.
18903 (output_dead_lock_vect): Save number of locked states in
18904 automaton->locked_states. If it is zero, don't print anything.
18905 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18906 (output_internal_dead_lock_func): Only test the dead_lock_vect
18907 for automata that have locked states.
18908 (output_statistics): Always print the number of locked states for
18909 each automaton. Calculate total number of locked states here.
18910 (write_automata): Don't call output_dfa_max_issue_rate.
18911 * genattrtab.c: Define length_unit_log as a const variable.
18912 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18913 max_insn_queue_index const.
18914 * final.c (length_unit_log): Declare const.
18915 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18917 2006-01-22 Zack Weinberg <zackw@panix.com>
18919 * genautomata.c: Include vec.h, not varray.h.
18920 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18921 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18922 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18923 VEC_* macros operating on appropriately typed vectors, or to
18924 malloced arrays when the size is known in advance. Const-ify
18925 many char* variables and function arguments. No functional changes.
18926 * Makefile.in (build/varray.o): Delete rule.
18927 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18928 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18930 2006-01-22 Zack Weinberg <zackw@panix.com>
18932 * gensupport.c: Define get_insn_name and record_insn_name here.
18933 (read_md_rtx): Call record_insn_name as appropriate.
18934 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18935 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18936 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18938 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18939 (BUILD_VARRAY): Delete.
18940 (genprognormal): Rename genprogmd. Fold in all programs from
18941 genprognoprint; also attrtab.
18942 (build/genattrtab): Just mention genautomata.o and varray.o.
18943 Reorganize a bit, add comments to make the categories clearer.
18945 2006-01-22 Zack Weinberg <zackw@panix.com>
18947 * genconditions.c (condition_table, add_condition): Delete.
18948 (write_conditions): Don't emit n_insn_conditions nor
18949 insn_elision_unavailable. Issue the gcc version #ifdef here,
18950 inside the table, with no #else clause ...
18951 (write_header): ...not here.
18952 (write_writer): New function.
18953 (main): Don't initialize condition_table. Use add_c_test.
18955 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18956 files on the command line.
18957 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18958 Return -1 if there is no entry in the table, don't abort.
18959 (add_c_test, traverse_c_tests): New functions.
18960 * gensupport.h (insn_elision_unavailable, insn_conditions)
18961 (n_insn_conditions): Delete declarations.
18962 (add_c_test, traverse_c_tests): Declare.
18963 * read-rtl.c: Include gensupport.h.
18964 (read_conditions): New function.
18965 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18966 (read_rtx_1): If we get EOF when we were looking for an initial
18967 open paren, return 0. Call read_conditions when appropriate.
18968 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18969 dummy-conditions.o. Eliminate references to insn-conditions.o,
18970 or change them to build/gencondmd.o, as appropriate. Remove
18971 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18972 from $(simple_generated_c). For all files remaining in those
18973 two lists, add insn-conditions.md to the generator command line.
18974 Give insn-constants.h/s-constants their own rules. Add rules
18975 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18976 (build/read-rtl.o): Depend on gensupport.h.
18977 (genprognormal): Include preds.
18978 (genprogearly): Rename genprognoprint; only difference is now that
18979 they don't link with $(BUILD_PRINT).
18980 * dummy-conditions.c: Delete.
18982 2006-01-22 Zack Weinberg <zackw@panix.com>
18984 * genextract.c: Don't include insn-config.h. Do include vec.h.
18985 Declare vectors of int, char, and locstr.
18986 (locstr): New typedef.
18987 (struct extraction): Make all array fields into bare pointers.
18988 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18989 (insn_code_number): Delete.
18990 (accum_extract): New struct.
18991 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18992 (gen_insn): Take insn_code_number as an argument. Use an
18993 accum_extract structure instead of loading data directly into
18994 a struct extraction, and having to know how big it might get.
18995 (walk_rtx): Operate entirely on an accum_extract structure.
18996 (print_path): Avoid unnecessary use of printf.
18997 (print_header): New function, split out of main. Distinguish
18998 more carefully between an unrecognizable insn and an insn that
18999 has the code number of a define_expand.
19000 (main): Pass insn_code_number to gen_insn. Call print_header
19001 only after parsing. Avoid unnecessary use of printf.
19002 * Makefile.in (build/vec.o): New rule.
19003 (build/genextract): Depend on build/vec.o.
19004 (build/genextract.o): Don't depend on insn-config.h.
19006 2006-01-22 Zack Weinberg <zackw@panix.com>
19008 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19009 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19010 practical. Eliminate per-generator-program link rules.
19012 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19014 PR middle-end/24437
19015 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19016 with a call expr to ...
19017 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19019 2006-01-23 Richard Guenther <rguenther@suse.de>
19021 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19022 before make_edge with conditional EDGE_TRUE_VALUE.
19024 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19025 Jan Hubicka <jh@suse.cz>
19026 Richard Guenther <rguenther@suse.de>
19028 PR rtl-optimization/25654
19029 * cfgexpand.c (aggregate_contains_union_type): New function.
19030 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19031 for structure variables that contain a union type.
19033 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19035 * gengtype.c (new_structure): Return the structure.
19036 (create_option): Add an extra "next" argument.
19037 (create_field): New function.
19038 (adjust_field_rtx_def): Use create_option and create_field.
19039 Remove a now-unnecessary call to find_structure.
19040 (adjust_field_tree_def): Likewise.
19041 (note_yacc_type): Remove an unnecessary call to find_structure.
19042 * gengtype.h (new_structure): Return the structure.
19043 (create_option): Add an extra argument.
19044 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19045 (option): Adjust calls to create_option.
19047 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19049 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19051 2006-01-22 Paul Brook <paul@codesourcery.com>
19052 Peter Barada <peter@the-baradas.com>
19054 * config/m68k/m68k.md: Add Coldfire FPU support.
19055 Define FP mode macro and associated attributes.
19056 Use it for float mode patterns.
19057 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19058 (LIBCALL_VALUE): Use m68k_libcall_value.
19059 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19060 (m68k_function_value): Ditto.
19061 (emit_move_sequence): Ditto.
19062 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19063 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19064 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19065 (MULTILIB_EXCEPTIONS): Ditto.
19066 * config/m68k/m68k.opt: Add mcfv4e.
19067 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19068 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19069 (m68k_output_function_prologue): Save ColdFire FPU registers.
19070 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19071 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19072 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19073 ColdFire FPU registers.
19074 (m68k_libcall_value, m68k_function_value): New functions.
19075 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19076 (LIBCALL_VALUE): Use m68k_libcall_value.
19077 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19078 (MASK_COLDFIRE): Add MASK_CFV4E.
19079 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19080 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19081 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19082 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19083 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19084 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19085 * doc/invoke.tex: Document -mcfv4e on m68k.
19087 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19089 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19092 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19095 * c-opts.c (c_common_handle_option): Don't include
19096 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19097 * doc/invoke.texi (C++ Dialect Options): Document that
19098 -Wnon-virtual-dtor is no longer included in -Wall.
19100 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19102 * gcov.c (print_version), gcov-dump.c (print_version),
19103 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19106 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19108 * df-scan.c (problem_SCAN): Added NULL reset function.
19109 (df_scan_reset_blocks): Added code to call reset block function
19110 (df_bb_refs_delete) Fixed comment.
19111 (df_insn_refs_delete): Made tolerant of deleting non existent info
19112 for dataflow problems that need to be reset.
19113 * df-core.c (df_set_blocks): Ditto.
19114 * df.h (struct df_problem): Added reset_fun.
19115 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19116 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19117 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19118 functions to clear out all references to def-use or use-def chains.
19120 2006-01-21 Ben Elliston <bje@au.ibm.com>
19122 * varasm.c (assemble_real): Initialise data array.
19124 2006-01-20 Paul Brook <paul@codesourcery.com>
19126 Merge from csl-arm-branch.
19127 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19128 * config/arm/arm.md (movdi): Force operands[1] to a register
19129 if we have a non-register source.
19130 (*arm_movdi, *movdf_soft_insn): Require that one of the
19131 operands be a register.
19132 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19133 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19135 2006-01-20 DJ Delorie <dj@redhat.com>
19137 * varasm.c (initializer_constant_valid_p): Allow pointers
19138 initialized from integer constants of lesser precision.
19139 (output_constant): Allow non-int-sized pointer modes to be
19140 initialized from integer constants.
19142 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19145 * cppdefault.h (struct default_include): Add multilib flag.
19146 * cppdefault.c (cpp_include_defaults): Set it.
19147 * c.opt (-imultilib): New option.
19148 * c-opts.c (imultilib): New.
19149 (c_common_handle_option): Handle -imultilib.
19150 (c_common_post_options): Likewise.
19151 * c-incpath.c (add_standard_paths, register_include_chains):
19153 * c-incpath.h (register_include_chains): Add extra parameter.
19154 * gcc.c (do_spec_1): Generate -imultilib option.
19155 (The Specs Language): Update %I description.
19156 (process_command): Update copyright notice.
19157 * doc/cppopts.texi (-imultilib): Document.
19158 * doc/invoke.texi (-imultilib): Include in option summary.
19159 (%I): Update specs documentation.
19161 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19163 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19165 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19167 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19170 2006-01-20 Richard Guenther <rguenther@suse.de>
19171 Steven Bosscher <stevenb.gcc@gmail.com>
19173 PR rtl-optimization/24626
19174 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19175 EDGE_TRUE_VALUE if in RTL mode.
19178 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19179 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19181 2006-01-20 Dirk Mueller <dmueller@suse.com>
19184 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19185 instead of a special NOP marker.
19186 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19187 NOP marker handling.
19188 * c-common.h (empty_body_warning): Add forward declaration.
19189 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19190 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19192 2006-01-20 Paul Brook <paul@codesourcery.com>
19194 * Makefile.in (lang_checks): Keep going if mkdir fails.
19196 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19198 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19199 be able to clean out basic block when not necessary.
19200 (df_scan_free): Fixed to properly delete information if df is
19201 unused before calling df_finish.
19202 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19203 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19205 (df_bb_refs_delete): New function.
19206 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19207 * df-core.c (df_set_blocks): Added code to properly clean out
19208 unused blocks if they are not part of the blocks to consider.
19209 Added additional null check.
19210 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19211 be able to clean out basic block when not necessary
19212 * df.h (df_free_bb_function): Ditto.
19213 (df_bb_refs_delete): New function.
19214 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19215 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19216 basic block parameter to be able to clean out basic block when not
19218 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19219 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19220 Fixed to properly delete information if df is unused before
19223 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19225 PR rtl-optimization/25799
19226 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19227 Corrected confluence operator to remove bits from op2 before oring
19228 with op1 rather than removing bits from op1.
19229 (df_ru_transfer_function): Corrected test on wrong bitmap which
19230 caused infinite loop. Both of these problems were introduced in
19231 the dataflow rewrite.
19233 2006-01-19 DJ Delorie <dj@redhat.com>
19235 * reload1.c (find_reload_regs): Note the details of reload
19236 failures in the dump file.
19237 (spill_failure): Likewise.
19239 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19241 * loop-iv.c: Include df.h and hashtab.h.
19242 (enum iv_grd_result): New enum.
19243 (DF_REF_IV, DF_REF_IV_SET): New macros.
19244 (struct biv_entry): New.
19245 (df, bivs): New global variables.
19246 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19247 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19249 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19250 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19251 analyzed_for_bivness_p, record_biv): New functions.
19252 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19253 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19254 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19256 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19258 (iv_number_of_iterations): Use new interface to iv analysis.
19259 * loop-unroll.c: Do not include varray.h.
19260 (analyze_iv_to_split_insn): Use new interface to iv
19262 * loop-unswitch.c (may_unswitch_on): Ditto.
19263 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19265 (df_bb_modify): Realloc tables to the new index.
19266 (df_find_use): New function.
19267 * df.h (df_find_use): Declare.
19268 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19270 * cfgloop.h (struct rtx_iv): Remove analysed field.
19271 (iv_get_reaching_def): Removed.
19272 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19273 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19274 (loop-iv.o): Add df.h and hashtab.h dependency.
19275 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19277 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19280 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19282 (__floatundisf, __floatundidf): Likewise.
19283 * libgcc2.h (IS_IBM_EXTENDED): Define.
19285 2006-01-19 DJ Delorie <dj@redhat.com>
19287 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19289 2006-01-19 Paul Brook <paul@codesourcery.com>
19291 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19292 as nothrow when unwinding tables are disabled.
19294 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19297 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19298 of bit-field" when in system header.
19300 2006-01-19 DJ Delorie <dj@redhat.com>
19302 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19303 the 16 bit shift limit of the m16c.
19305 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19308 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19309 * config/i386/i386.c (output_set_got): Output the label if we have one
19310 for the TARGET_DEEP_BRANCH_PREDICTION case.
19312 2006-01-19 Jan Hubicka <jh@suse.cz>
19313 H.J. Lu <hongjiu.lu@intel.com>
19314 Evandro Menezes <evandro.menezes@amd.com>
19316 * invoke.texi (generic): Document
19318 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19319 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19320 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19321 (x86_use_incdec, x86_pad_returns): New variables
19322 (TARGET_CPU_DEFAULT_generic): New constant
19323 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19324 (enum processor_type): Add generic32 and generic64.
19325 * i386.md (cpu attribute): Add generic32/generic64
19326 (movhi splitter): Behave sanely when both partial_reg_dependency and
19327 partial_reg_stall are set.
19328 (K8 splitters): Enable for generic as well.
19329 * predicates.md (incdec_operand): Use TARGET_INCDEC
19330 (aligned_operand): Avoid memory mismatch stalls.
19331 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19332 * ppro.md: Enable for generic32
19333 * i386.c (generic64_cost, generic32_cost): New.
19334 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19335 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19336 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19337 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19338 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19339 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19340 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19341 x86_accumulate_outgoing_args, x86_prologue_using_move,
19342 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19343 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19344 Enable for generic.
19345 (x86_use_incdec, x86_pad_returns): New.
19346 (override_options): Add generic32 and generic64, translate "generic"
19347 to generic32/generic64 and "i686" to "generic32", refuse
19348 "generic32"/"generic64" as arch target.
19349 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19350 (ix86_reorg): Honor PAD_RETURNS.
19352 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19354 * tree-pretty-print.c (dump_generic_node): Handle
19355 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19356 * cgraph.c (cgraph_expand_queue): Rename from
19357 cgraph_analyze_queue. Update all users.
19358 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19359 cgraph_expand_queue.
19360 (cgraph_expand_all_functions): Likewise.
19361 (cgraph_finalize_pending_functions): Remove. Update callers.
19363 * tree.h (OMP_DIRECTIVE_P): Define.
19364 (OMP_PARALLEL_FN): Define.
19365 (OMP_PARALLEL_DATA_ARG): Define.
19366 (OMP_SECTIONS_SECTIONS): Define.
19367 * tree-pass.h (pass_expand_omp): Declare.
19368 * omp-low.c (struct omp_region): Declare.
19369 (struct omp_context): Remove fields 'parallel_type',
19370 'parallel_start_ix' and 'parallel_start_additional_args'.
19372 (struct omp_for_data): Rename from struct expand_omp_for_data.
19373 (omp_regions): New static variable.
19374 (root_omp_region): New static variable.
19375 (find_omp_clause): Make static.
19376 (is_in_combined_parallel_ctx): Remove.
19377 (is_combined_parallel): New.
19378 (extract_omp_for_data): Move earlier in the file.
19379 (workshare_safe_to_combine_p): New.
19380 (get_ws_args_for): New.
19381 (determine_parallel_type): Move earlier in the file.
19382 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19384 (omp_copy_decl): Likewise.
19385 (create_omp_child_function): Likewise.
19386 (lookup_omp_region): New.
19387 (dump_omp_region): New.
19388 (debug_omp_region): New.
19389 (debug_all_omp_regions): New.
19390 (new_omp_region): New.
19391 (scan_omp_parallel): If parallel_nesting_level > 1, the
19392 directive is nested within another parallel directive.
19393 Set OMP_PARALLEL_FN.
19394 (scan_omp_for): Do not try to handle combined parallel+for
19396 Remove FIXME comment.
19397 (scan_omp_nested): Remove.
19398 (scan_omp_1): Do not call scan_omp_nested when
19399 parallel_nesting_level is > 1.
19400 Do not change the DECL_CONTEXT of local variables found.
19401 (lookup_decl_in_outer_ctx): New.
19402 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19403 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19404 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19405 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19406 If CTX is nested, lookup VAR in the outer context when
19407 building copy assignment.
19408 (lower_send_clauses): Rename from expand_send_clauses.
19409 If CTX is nested, lookup VAR in the outer context when
19410 building copy assignments.
19411 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19412 If CTX is nested, lookup VAR in the outer context when
19413 building copy assignments.
19414 (expand_parallel_call): Rename from build_parallel_call.
19415 Handle combined parallel+workshare cases.
19416 Re-implement to emit code into the CFG.
19418 (expand_omp_parallel): Re-implement to emit code into the CFG.
19419 Call move_sese_region_to_fn to outline the sub-graph
19420 containing the parallel region.
19421 (expand_omp_for_1): Remove.
19422 (expand_omp_for_generic): Re-implement to emit code into the
19424 (expand_omp_for_static_nochunk): Likewise.
19425 (expand_omp_for_static_chunk): Likewise.
19426 (expand_omp_for): Likewise.
19427 (expand_omp_sections): Likewise.
19428 (remove_exit_barriers): New.
19429 (expand_omp_synch): New.
19431 (build_omp_regions_1): New.
19432 (build_omp_regions): New.
19433 (execute_expand_omp): New.
19434 (gate_expand_omp): New.
19435 (pass_expand_omp): Define.
19436 (lower_omp_sections): Rename from expand_omp_sections.
19437 Set OMP_SECTIONS_SECTIONS.
19438 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19439 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19440 (lower_omp_single): Rename from expand_omp_simple.
19441 (lower_omp_master): Rename from expand_omp_master.
19442 (lower_omp_ordered): Rename from expand_omp_ordered.
19443 (lower_omp_critical): Rename from expand_omp_critical.
19444 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19445 (lower_omp_for): Re-implement.
19446 (lower_omp_parallel): Re-implement.
19447 (lower_regimplify): Rename from expand_regimplify.
19448 (lower_omp_1): Rename from expand_omp_1.
19449 If there are syntax errors in the program, replace every
19450 OpenMP directive with NOP.
19451 Call lower_omp_* instead of expand_omp_*.
19452 (lower_omp): Rename from expand_omp.
19454 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19455 * tree-gimple.h (enum omp_parallel_type): Remove.
19456 (gimple_boolify): Declare extern.
19457 (find_omp_clause, determine_parallel_type): Remove.
19459 * gimple-low.c (lower_omp_directive): New.
19460 (lower_stmt): Call it.
19461 (record_vars_into): Move from ...
19462 (record_vars): ... here.
19463 Call record_vars_into with current_function_decl.
19465 * gimplify.c (struct gimplify_ctx): Remove fields
19466 combined_pre_p and combined_ctxp. Update users.
19467 (get_formal_tmp_var): Add documentation.
19468 (gimple_boolify): Make extern.
19469 (gimplify_expr_in_ctx): Remove. Update callers.
19470 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19471 will always be a BIND_EXPR.
19472 (gimplify_expr): Handle OMP_RETURN_EXPR.
19473 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19474 (OMP_PARALLEL): Add 3 operands.
19475 (OMP_SECTIONS): Add 1 operand.
19476 (OMP_RETURN_EXPR): Define.
19478 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19479 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19480 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19481 creating a circular free list.
19482 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19484 * tree-flow.h (move_sese_region_to_fn): Declare.
19485 (record_vars_into): Declare.
19486 * tree-cfg.c (make_omp_sections_edges): New.
19487 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19488 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19489 OMP_SECTIONS and OMP_SECTION.
19490 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19491 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19492 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19493 (gather_blocks_in_sese_region): New.
19494 (struct move_stmt_d): Declare.
19495 (move_stmt_r): New.
19496 (move_block_to_fn): New.
19497 (move_sese_region_to_fn): New.
19499 * passes.c (init_optimization_passes): Schedule
19500 pass_expand_omp after pass_init_datastructures.
19502 * tree-ssa-operands.c (get_expr_operands): Handle
19503 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19504 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19506 2006-01-19 Jeff Law <law@redhat.com>
19508 * tree-vrp.c (extract_range_from_assert): Refine the result range
19509 if the variable referenced by the ASSERT_EXPR has a range and
19510 either the tentative result range or the previous range is a
19513 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19515 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19517 2006-01-19 Jan Hubicka <jh@suse.cz>
19519 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19521 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19523 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19524 (expand_compound_operation, expand_field_assignment): Fail if the
19525 bit lengths of an extract operation are out of range.
19526 (make_extraction): Compute wanted_inner_mode based on the position
19527 and length of the extraction. Make it extraction_mode for non-constant
19528 positions, and do not modify offset in that case. When generating a
19529 new MEM, use a mode that can hold the extraction while keeping correct
19530 alignment. Remove code that supported MEMs wrapped by USEs.
19531 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19533 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19535 * config/s390/s390.md ("Y", "y"): New mode attribute.
19536 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19537 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19538 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19539 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19540 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19541 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19542 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19543 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19544 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19545 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19546 "addsi3", "subsi3"): Insn patterns removed.
19547 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19548 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19549 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19550 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19551 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19552 "*sub<mode>3_cconly2"): New insn patterns.
19553 ("addsi3", "subsi3"): New expanders.
19555 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19557 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19558 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19559 existing STMT_VINFO_VECTYPE if available.
19560 (vect_mark_relevant): Add special handling for stmts that are
19561 marked as STMT_VINFO_IN_PATTERN_P.
19562 (vect_analyze_loop): Call vect_pattern_recog.
19563 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19564 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19566 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19567 (vect_recog_func_ptr): New function-pointer type.
19568 * tree-vect-patterns.c: New file.
19569 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19570 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19571 (vect_pattern_recog_1): New functions.
19572 (vect_pattern_recog_funcs): New array of function pointers.
19574 * tree-vectorizer.h (ternary_op): New enum value.
19575 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19576 declaration. Revised documentation. Removed redundant dump prints.
19577 Removed redundant argument. Added support for reduction patterns.
19578 (vectorizable_reduction): Added support for reduction patterns.
19579 (vect_transform_stmt): Added support for patterns.
19581 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19582 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19583 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19584 (expand_widen_pattern_expr): New function.
19585 (init_optabs): Initialize new optabs udot_prod_optab,
19587 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19588 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19589 (expand_widen_pattern_expr): New function declaration.
19590 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19592 * tree-inline.c (estimate_num_insns_1): Added cases for new
19593 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19594 * tree-pretty-print.c (dump_generic_node): Likewise.
19595 (op_prio): Likewise.
19596 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19597 * tree-ssa-operands.c (get_expr_operands): Added case for
19599 * tree-vect-patterns.c (widened_name_p): New function.
19600 (vect_recog_dot_prod_pattern): Added function implementation.
19601 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19602 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19603 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19604 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19606 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19607 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19608 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19609 (init_optabs): Initialize new optabs widen_ssum_optab,
19611 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19612 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19613 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19614 use instead of type of def.
19615 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19616 function implementation.
19617 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19618 widen_ssumv8hi): New.
19620 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19623 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19626 * c-decl.c (add_flexible_array_elts_to_size): New function.
19627 (finish_decl): Use it.
19629 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19631 * diagnostic.h: Include options.h.
19632 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19633 dependancies for diagnostic.h.
19634 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19636 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19638 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19639 (ssa_ro_call_cache_valid): Ditto.
19640 * tree-ssa-alias.c (sort_tags_by_id): New function.
19641 (init_transitive_clobber_worklist): Ditto.
19642 (add_to_worklist): Ditto.
19643 (mark_aliases_call_clobbered): Ditto.
19644 (compute_tag_properties): Ditto.
19645 (set_initial_properties): Ditto.
19646 (compute_call_clobbered): Ditto.
19647 (compute_may_aliases): Call compute_call_clobbered and grouping.
19648 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19649 (compute_flow_insensitive_aliasing): Grouping now happens in our
19651 (setup_pointers_and_addressables): Remove clobbering related code.
19652 (add_may_alias): Ditto.
19653 (replace_may_alias): Ditto.
19654 (get_nmt_for): Ditto.
19655 (create_global_var):
19656 (is_escape_site): Return an escape_type enumeration.
19657 * tree-flow-inline.h (is_call_clobbered): Global var does not
19658 imply call clobbered.
19659 (mark_call_clobbered): Take a reason for marking this. Remove
19660 marking of globalness, and cache invalidation.
19661 (clear_call_clobbered): Remove cache invalidation code.
19662 * tree-dfa.c (dump_variable): If details is on, dump the reason
19664 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19666 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19667 (struct var_ann_d): Ditto.
19668 (enum escape_type): New.
19669 (mark_call_clobbered): Adjust prototype.
19670 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19671 are never call clobbered.
19672 Record reasons for escaping.
19673 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19674 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19675 (ssa_ro_call_cache_valid): Ditto.
19676 (clobbered_v_may_defs): Ditto.
19677 (clobbered_vuses): Ditto.
19678 (ro_call_vuses): Ditto.
19679 (clobber_stats): New.
19680 (init_ssa_operands): Zero out clobber stats.
19681 (fini_ssa_operands): Print out clobber stats.
19682 (get_call_expr_operands): Pass callee fndecl to
19683 add_call_read_ops).
19684 (add_call_clobber_ops): Remove use of cache.
19685 Add use of PURE_CONST information.
19686 (add_call_read_ops): Remove use of cache.
19687 Add use of static not_read information.
19689 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19691 Introduce TLS descriptors for i386 and x86_64.
19692 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19693 (TARGET_ANY_GNU_TLS): New macro.
19694 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19695 (struct machine_function): Add tls_descriptor_call_expanded_p.
19696 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19697 (ix86_current_function_calls_tls_descriptor): Likewise.
19698 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19699 (override_options): Introduce gnu2 tls dialect.
19700 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19702 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19704 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19705 (ix86_init_machine_status): Initialize new field.
19706 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19707 (ix86_tls_module_base): New.
19708 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19709 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19710 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19711 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19712 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19713 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19714 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19715 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19716 * config/i386/predicates.md (tls_modbase_operand): New.
19717 (tp_or_register_operand): New.
19719 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19721 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19722 (look_for_address_of): Ditto.
19723 (ipa_init): Walk the function decls.
19724 (static_execute): Don't set readonly on FUNCTION_DECL's.
19726 2006-01-18 Roger Sayle <roger@eyesopen.com>
19728 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19729 for shifts where the source and destination registers are different.
19731 2006-01-18 Paul Brook <paul@codesourcery.com>
19733 Merge from csl-arm-branch.
19734 2005-03-14 Julian Brown <julian@codesourcery.com>
19735 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19736 (aeabi_llsl): Likewise.
19737 (ashrdi3): Likewise.
19738 (aeabi_lasr): Likewise.
19739 (lshrdi3): Likewise.
19740 (aeabi_llsr): Likewise.
19741 2005-03-10 Julian Brown <julian@codesourcery.com>
19742 * config.gcc: Disable shared libgcc for SymbianOS.
19743 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19745 2006-01-18 DJ Delorie <dj@redhat.com>
19747 * c-pragma.c (handle_pragma_diagnostic): New.
19748 (init_pragma): Register it.
19749 * doc/extend.texi: Document it.
19751 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19752 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19753 (diagnostic_context): Add classify_diagnostic[].
19754 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19755 as errors if they're overridden to DK_WARNING.
19756 (diagnostic_initialize): Initialize classify_diagnostic[].
19757 (diagnostic_set_kind_override): New.
19758 (diagnostic_report_diagnostic): Check for kind changes.
19759 * opts.c (common_handle_option): Take lang_mask. Update callers.
19760 Handle OPT_Werror_.
19761 * common.opt (Werror=): New.
19762 * doc/invoke.texi: Document -Werror=*
19764 2006-01-18 Jeff Law <law@redhat.com>
19766 * tree-vrp.c (test_for_singularity): Correct test for new
19767 min limit. Use operand_equal_p rather than pointer equality
19768 for testing if new min/max values are equal.
19770 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19771 using range information until after propagation and folding.
19773 2006-01-18 Richard Henderson <rth@redhat.com>
19774 Aldy Hernandez <aldyh@redhat.com>
19775 Jakub Jelinek <jakub@redhat.com>
19776 Diego Novillo <dnovillo@redhat.com>
19778 * omp-low.c: New file.
19779 * c-omp.c: New file.
19781 2006-01-18 Richard Henderson <rth@redhat.com>
19782 Jakub Jelinek <jakub@redhat.com>
19783 Diego Novillo <dnovillo@redhat.com>
19785 * doc/invoke.texi: Document -fopenmp.
19786 * tree-dump.h (debug_function): Declare.
19787 * hooks.c (hook_bool_tree_bool_false): New function.
19788 (hook_tree_tree_null): Remove.
19789 (hook_tree_tree_tree_null): New.
19790 * hooks.h: Update to match.
19791 * tree-pretty-print.c (debug_tree_chain): New.
19792 (print_generic_expr): Handle TDF_CHAIN.
19793 (dump_generic_node): Handle BLOCK.
19794 Do not abort with incomplete SWITCH_EXPRs.
19795 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19796 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19797 print space after directive name.
19798 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19799 Handle OMP_MASTER and OMP_ORDERED.
19800 Handle printing of OMP_BODY just in one place, goto
19801 dump_omp_body in the rest of OMP_* nodes that have
19803 Don't handle clause nodes here. Update omp statements to
19804 use dump_omp_clauses.
19805 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19806 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19807 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19808 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19809 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19810 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19811 Adjust output for GOMP_PARALLEL.
19812 (dump_omp_clauses): New.
19813 (print_declaration): Dump DECL_VALUE_EXPR.
19814 (op_symbol_1): Split out of op_symbol.
19815 (dumping_stmts): Remove. Update all users.
19816 * cgraph.c (cgraph_analyze_queue): New.
19817 (cgraph_add_new_function): New.
19818 * cgraph.h (cgraph_analyze_queue): Declare.
19819 (cgraph_add_new_function): Declare.
19820 (cgraph_lower_function): Remove.
19821 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19822 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19823 and TYPE_P nodes in its default clause.
19824 (empty_body_p): New.
19825 (tree_range_check_failed): New.
19826 (build5_stat): New.
19827 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19828 OMP_CLAUSE_REDUCTION_MERGE,
19829 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19830 OMP_CLAUSE_PRIVATE_DEBUG,
19831 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19832 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19833 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19834 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19835 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19836 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19837 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19838 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19839 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19840 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19841 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19842 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19843 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19844 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19845 (TREE_RANGE_CHECK): New.
19846 (empty_body_p): Declare.
19847 (enum omp_clause_default_kind): New.
19848 (build_string_literal): Declare.
19849 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19850 (build5_stat, build5): Declare.
19851 * tree-pass.h (TDF_CHAIN): Define.
19852 * tree-pass.h (PROP_gimple_lomp): Define.
19853 (pass_lower_omp): Declare.
19854 * diagnostic.h (debug_tree_chain): Declare.
19855 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19857 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19858 * builtins.c (build_string_literal): Make extern.
19859 * gcc.c (include_spec_function): New.
19860 (static_spec_functions): Add it.
19861 (main): Move load of libgomp.spec ...
19862 (LINK_COMMAND_SPEC): ... here.
19863 (link_gomp_spec): New.
19864 (static_specs): Include it.
19865 (LINK_COMMAND_SPEC): Add link_gomp.
19866 (GOMP_SELF_SPECS): New.
19867 (driver_self_specs): Include it.
19868 (switch_matches): Don't mark inline.
19869 (main): Load libgomp.spec.
19870 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19871 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19872 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19873 * tree-gimple.h (enum omp_parallel): Declare.
19874 (determine_parallel_type): Declare.
19875 (omp_firstprivatize_variable): Declare.
19876 (omp_reduction_init): Declare.
19877 (diagnose_omp_structured_block_errors): Declare.
19878 (struct walk_stmt_info): Add want_return_expr.
19879 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19880 (find_omp_clause): Declare.
19881 (insert_field_into_struct): Declare.
19882 (struct walk_stmt_info): Move from tree-nested.c
19883 (walk_stmts): Declare.
19884 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19886 * cgraphunit.c (cgraph_lower_function): Make static.
19887 (cgraph_finalize_pending_functions): New.
19888 (cgraph_finalize_function): Call it.
19889 (cgraph_finalize_compilation_unit): Likewise.
19890 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19891 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19892 (BT_FN_UINT_UINT): New.
19893 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19894 DEF_FUNCTION_TYPE_VAR_4): Document.
19895 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19896 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19897 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19898 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19899 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19900 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19901 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19902 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19903 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19904 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19905 into separate files.
19906 (DEF_GOMP_BUILTIN): New.
19907 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19908 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19909 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19910 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19911 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19912 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19913 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19914 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19915 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19916 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19917 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19918 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19919 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19920 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19921 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19922 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19923 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19924 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19925 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19926 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19927 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19928 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19929 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19930 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19931 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19932 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19933 * sync-builtins.def: New file, moved from builtins.def.
19934 * omp-builtins.def: New file, moved from builtins.def.
19935 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19936 * gimple-low.c (lower_function_body): Clear data.
19937 (lower_stmt): Do not handle COMPOUND_EXPR.
19938 Remove call to print_node_brief.
19939 * c-tree.h (c_finish_omp_clauses): New prototype.
19940 (C_DECL_THREADPRIVATE_P): Define.
19941 (lookup_name_no_remap, c_omp_remap_private): Remove
19942 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19943 (check_for_loop_decls): Update decl.
19944 (lookup_name_no_remap, c_omp_remap_private): Declare.
19945 (build_indirect_ref, build_modify_expr, pushdecl,
19946 pushdecl_top_level): Move to c-common.h.
19947 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19948 before the switch, but just in the 2 places that need it.
19949 * c-decl.c (diagnose_mismatched_decls): Do not check for
19950 mismatched thread-local attributes when OLDDECL is marked
19951 threadprivate and NEWDECL has no thread-local attributes.
19952 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19953 (c_gimple_diagnostics_recursively): Rename from
19954 c_warn_unused_result_recursively. Invoke
19955 diagnose_omp_structured_block_errors.
19956 (check_for_loop_decls): Return a singular decl found.
19957 * langhooks.c (lhd_omp_predetermined_sharing): Return
19958 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19959 (lhd_omp_firstprivatize_type_sizes): New.
19960 (lhd_omp_assignment): New.
19961 (lhd_omp_predetermined_sharing): New.
19962 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19963 (struct lang_hooks_for_types): Add
19964 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19965 omp_predetermined_sharing, omp_disregard_value_expr,
19966 omp_private_debug_clause, omp_clause_default_ctor,
19967 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19968 (c_finish_omp_clauses): New.
19969 (c_finish_bc_stmt): Diagnose break within omp for.
19970 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19971 (build_unary_op): Return error_mark after reporting
19973 (build_modify_expr): Likewise.
19974 * gimplify.c: Include optabs.h and pointer-set.h.
19975 (enum gimplify_omp_var_data): Declare.
19976 (struct gimplify_omp_ctx): Declare.
19977 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19979 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19980 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19981 (splay_tree_compare_decl_uid): New.
19982 (new_omp_context): New.
19983 (delete_omp_context): New.
19984 (gimple_add_tmp_var): Call omp_add_variable.
19985 (gimplify_bind_expr): Likewise.
19986 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19987 true, disregard DECL_VALUE_EXPR on the decl if any.
19988 (gimplify_expr_in_ctx): New.
19989 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19990 omp_add_variable, omp_notice_variable, omp_is_private
19991 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19992 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19993 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19994 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19995 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19996 gimplify_omp_atomic): New.
19997 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19998 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19999 OMP_CRITICAL and OMP_ATOMIC.
20000 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20001 * c-pragma.h (enum pragma_kind): Add
20002 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20003 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20004 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20005 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20006 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20007 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20008 PRAGMA_OMP_THREADPRIVATE.
20009 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20010 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20011 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20012 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20013 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20014 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20015 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20016 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20017 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20018 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20019 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20020 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20021 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20023 (struct nesting_info): Add field_map,
20024 suppress_expansion, debug_var_chain.
20025 (create_nesting_tree): Initialize them.
20026 (lookup_field_for_decl): Use field_map.
20027 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20028 (convert_local_omp_clauses): New.
20029 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20030 (walk_body): Split out of walk_function.
20031 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20032 (convert_nonlocal_reference): Handle omp statements.
20033 (convert_local_reference): Likewise.
20034 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20035 (unnest_nesting_tree): New.
20036 (lower_nested_functions): Call it.
20037 (insert_field_into_struct): Make extern.
20038 (struct walk_stmt_info): Move to tree-gimple.h.
20039 (walk_stmts): Make extern.
20040 * omp-builtins.def: New file.
20041 * tree-iterator.c (expr_only): Clarify comment.
20042 * c-common.h (pushdecl_top_level, pushdecl,
20043 build_modify_expr, build_indirect_ref,
20044 c_finish_omp_master, c_finish_omp_critical,
20045 c_finish_omp_ordered, c_finish_omp_barrier,
20046 c_finish_omp_atomic, c_finish_omp_flush,
20047 c_finish_omp_for, c_split_parallel_clauses,
20048 omp_clause_default_kind, c_omp_sharing_predetermined,
20049 c_omp_remap_decl): Declare.
20050 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20051 (OBJS-common): Add omp-low.o.
20052 (c-omp.o, omp-low.o): Add.
20053 (gimplify.o): Add dependency on $(OPTABS_H).
20054 (GTFILES): Add omp-low.c.
20055 (gt-stringpool.h): Add.
20056 * tree-cfg.c (set_bb_for_stmt): Do not update the
20057 block-to-labels map if we are currently expanding to RTL.
20058 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20060 Handle IDENTIFIER_NODE.
20061 (tree_verify_flow_info): Do not ICE when emitting error
20062 messages about invalid labels.
20063 (dump_function_to_file): Reset CFUN before emitting the body
20065 (debug_function): New.
20066 * passes.c (init_optimization_passes): Schedule
20068 * langhooks-def.h (lhd_omp_predetermined_sharing,
20069 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20071 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20072 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20073 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20074 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20075 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20076 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20077 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20078 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20079 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20080 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20081 (LANG_HOOK_DECLS): Use them.
20083 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20084 Richard Henderson <rth@redhat.com>
20085 Jakub Jelinek <jakub@redhat.com>
20086 Diego Novillo <dnovillo@redhat.com>
20088 * c-parser.c (pragma_omp_clause): Define.
20089 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20090 (c_parser_compound_statement): Likewise.
20091 (c_parser_statement): Likewise.
20092 (c_parser_pragma): Handle omp pragmas.
20093 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20094 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20095 (c_parser_omp_clause_name, check_no_duplicate_clause,
20096 c_parser_omp_variable_list,
20097 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20098 c_parser_omp_clause_copyprivate,
20099 c_parser_omp_clause_default,
20100 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20101 c_parser_omp_clause_lastprivate,
20102 c_parser_omp_clause_nowait,
20103 c_parser_omp_clause_num_threads,
20104 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20105 c_parser_omp_clause_reduction,
20106 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20107 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20108 c_parser_omp_atomic, c_parser_omp_barrier,
20109 c_parser_omp_critical, c_parser_omp_flush,
20110 c_parser_omp_for_loop, c_parser_omp_for,
20111 c_parser_omp_master, c_parser_omp_ordered,
20112 c_parser_omp_sections_scope, c_parser_omp_sections,
20113 c_parser_omp_parallel, c_parser_omp_single,
20114 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20115 * c-pragma.c (init_pragma): Do omp pragma registration here.
20116 * c.opt (fopenmp): New flag.
20118 2006-01-18 Eric Christopher <echristo@apple.com>
20120 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20121 * config/darwin.h (GOMP_SELF_SPECS): Define.
20123 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20125 * rtl.h: Remove the prototype for reg_alloc.
20127 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20130 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20131 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20132 sjlj and dwarf2 exception handling.
20133 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20134 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20135 * pa/pa.c (function_value): Treat complex and vector types as
20137 (function_arg): Likewise. Only pass scalar floats in the floating
20138 point argument registers.
20139 * pa/t-slibgcc-dwarf-ver: New file.
20140 * pa/t-slibgcc-sjlj-ver: New file.
20141 * pa/t-slibgcc-elf-ver: Delete file.
20143 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20145 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20146 unlikely_test_section_p test.
20148 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20150 * mode-switching.c (optimize_mode_switching): Make it static.
20151 * basic-block.h: Remove the prototype for
20152 optimize_mode_switching.
20154 * modulo-sched.c (sms_schedule): Make it static.
20155 * rtl.h: Remove the prototype for sms_schedule.
20157 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20158 * rtl.h: Remove the prototype for gcse_after_reload_main.
20160 * reg-stack.c (reg_to_stack): Make it static.
20161 * rtl.h: Remove the prototype for reg_to_stack.
20163 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20165 * rtl.h: Remove the prototypes for regrename_optimize and
20166 copyprop_hardreg_forward.
20168 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20170 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20171 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20172 Test against the appropriate null constant for the mode.
20173 If 'fixup_overlap' is true, swap the operands if they overlap.
20174 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20175 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20176 alpha_split_tmode_pair and adjust for above change.
20177 * config/alpha/alpha.md (movtf_internal): Adjust call to
20178 alpha_split_tfmode_pair and rely on it to swap the operands.
20179 (movti_internal): New insn and post-reload splitter.
20180 (movti): New expander.
20182 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20184 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20187 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20189 * rtlanal.c (global_reg_mentioned_p_1,
20190 global_reg_mentioned_p): Remove.
20191 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20193 * flow.c (initialize_uninitialized_subregs): Make it static.
20194 * rtl.h: Remove the prototype for
20195 initialize_uninitialized_subregs.
20197 * function.c (instantiate_virtual_regs): Make it static.
20198 * function.h: Remove the prototype for
20199 instantiate_virtual_regs.
20201 * regmove.c (regmove_optimize, combine_stack_adjustments):
20203 * rtl.h: Remove the prototypes for regmove_optimize and
20204 combine_stack_adjustments.
20206 2006-01-17 Roger Sayle <roger@eyesopen.com>
20208 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20209 (size_cost): Encode costs in bytes so that a reg-reg addition is
20210 equivalent to COSTS_N_INSNS(1).
20211 (override_options): Use the size_cost.branch_cost as the default
20212 ix86_branch_cost when optimizing for size.
20214 2006-01-18 Ben Elliston <bje@au.ibm.com>
20216 * Makefile.in (D32PBIT_FUNCS): New.
20217 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20218 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20219 D64PBIT_FUNCS and D128PBIT_FUNCS.
20220 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20221 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20223 (decnumber_dep): Define.
20224 * doc/libgcc.texi (Decimal float library routines): New node.
20225 * config/dfp-bit.h, config/dfp-bit.c: New files.
20227 2006-01-18 Ben Elliston <bje@au.ibm.com>
20229 * expr.c (emit_move_change_mode): Always adjust addresses, not
20230 just during reload. Copy replacements only during reload.
20231 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20232 emit_move_via_integer.
20234 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20236 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20237 instead of $(srcdir) and ${srcdir}.
20239 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20242 PR middle-end/11135
20243 * arm.h (struct machine_function): Add pic_reg.
20244 * arm.c (arm_pic_register): Make unsigned.
20245 (arm_override_options): Only set arm_pic_register if
20246 TARGET_SINGLE_PIC_BASE.
20247 (use_return_insn): Only test for a pic register if it is fixed.
20248 (arm_compute_save_reg0_reg12_mask): Likewise.
20249 (thumb_compute_save_reg_mask): Likewise.
20250 (legitimate_pic_operand): Factor out some known invariants.
20251 (legitimize_pic_address): If we don't have a fixed pic register,
20252 then set up a pseudo in the function entry sequence. Handle the
20253 pic base being in a pseudo.
20254 (arm_load_pic_register): Handle the pic register being in a pseudo.
20255 (arm_expand_prologue): Only set up the pic register if it is fixed.
20256 (thumb_expand_prologue): Likewise.
20257 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20258 (pic_load_addr_based_insn): Likewise.
20259 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20262 2006-01-18 Ben Elliston <bje@au.ibm.com>
20264 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20265 decimal float modes for all floating point registers.
20267 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20268 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20270 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20273 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20274 even when the pointer is not NULL.
20276 2006-01-16 Ian Lance Taylor <ian@airs.com>
20278 * common.opt (ftoplevel-reorder): New option.
20279 * cgraph.c (cgraph_asm_nodes): New global variable.
20280 (cgraph_asm_last_node): New static variable.
20281 (cgraph_order): New global variable.
20282 (cgraph_create_node): Set new order field.
20283 (cgraph_varpool_node): Likewise.
20284 (decide_is_variable_needed): Return true if not
20285 flag_toplevel_reorder.
20286 (cgraph_add_asm_node): New function.
20287 * cgraph.h (struct cgraph_node): Add order field.
20288 (struct cgraph_varpool_node): Add order field.
20289 (struct cgraph_asm_node): Define.
20290 (cgraph_asm_nodes, cgraph_order): Declare.
20291 (cgraph_add_asm_node): Declare.
20292 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20294 (cgraph_varpool_assemble_pending_decls): Call it.
20295 (cgraph_output_pending_asms): New static function.
20296 (cgraph_finalize_compilation_unit): Call it.
20297 (struct cgraph_order_sort): Define.
20298 (cgraph_output_in_order): New static function.
20299 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20300 !flag_toplevel_reorder case.
20301 * c-parser.c: Include "cgraph.h".
20302 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20304 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20305 than -fno-unit-at-a-time.
20306 * doc/invoke.texi (Option Summary): Mention
20307 -fno-toplevel-reorder.
20308 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20309 -funit-at-a-time documentation.
20311 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20312 Kazu Hirata <kazu@codesourcery.com>
20314 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20316 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20318 * Makefile.in (FUNCTION_H): New. Use it instead of
20319 function.h throughout the file.
20320 * function.h: Include tree.h.
20322 2006-01-17 Ben Elliston <bje@au.ibm.com>
20324 * recog.c: Separate some functions with whitespace.
20326 2006-01-16 Richard Henderson <rth@redhat.com>
20328 Merge from gomp branch:
20329 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20330 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20331 and rename from struct inline_data. Rename callee* to dst*;
20332 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20333 transform_new_cfg, transform_return_to_modify, and
20334 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20336 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20337 (copy_decl_for_dup): Remove.
20338 * tree-inline.c (struct inline_data): Move to header.
20339 (insert_decl_map): Export.
20340 (remap_decl): Update for member name changes. Use copy_decl hook.
20341 Allow for replacement to be a non-decl. Remove dead code.
20342 (remap_type_1): Check for existing mapping.
20343 (remap_type): Export.
20344 (remap_decls): Update for member name changes.
20345 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20346 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20347 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20348 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20349 (tree_function_versioning, build_duplicate_type): Likewise.
20350 (copy_body_r): Likewise. Export.
20351 (copy_decl_for_dup): Split into ...
20352 (copy_decl_for_dup_finish, copy_decl_to_var,
20353 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20354 (replace_ref_tree, inlining_p): Remove.
20356 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20358 * ifcvt.c (if_convert): Make it static.
20359 * rtl.h: Remove the prototype for if_convert.
20361 * local-alloc.c (local_alloc): Make it static.
20362 * rtl.h: Remove the prototype for local_alloc.
20364 * loop.c (loop_optimize): Make it static.
20365 * cfgloop.h: Remove the prototype for loop_optimize.
20368 2006-01-16 DJ Delorie <dj@redhat.com>
20370 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20373 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20375 * pa.md: Disparage copies between general and floating-point registers
20376 in 32-bit move patterns.
20378 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20381 * Makefile.in (check-%): Depend on site.exp instead of
20382 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20385 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20387 * global.c (global_alloc): Make it static.
20388 * rtl.h: Remove the prototype for global_alloc.
20390 2006-01-16 Richard Guenther <rguenther@suse.de>
20392 * tree-ssa-alias.c (struct used_part): Add write_only field.
20393 (get_or_create_used_part_for): Initialize it to true.
20394 (create_overlap_variables_for): Don't create structure variables
20395 for structures that only are written to.
20396 (find_used_portions): Handle MODIFY_EXPR to track whether a
20397 structure is only written to.
20399 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20401 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20403 * basic-block.h: Remove the prototype for
20404 partition_hot_cold_basic_blocks.
20406 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20408 * cppspec.c (lang_specific_spec_functions): Remove.
20409 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20410 * gcc.h (lang_specific_spec_functions): Remove.
20411 * gccspec.c (lang_specific_spec_functions): Remove.
20413 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20415 * combine.c (record_value_for_reg): Invalidate registers
20417 (record_dead_and_set_regs_1): Likewise, by passing them to
20418 record_value_for_reg.
20419 (record_dead_and_set_regs): Invalidate stores made by a
20420 call. We do not combine across a call, but we still
20421 relied on equivalences.
20423 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20425 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20426 vrp_int_const_binop returning non-constant nodes.
20428 2006-01-16 Paul Brook <paul@codesourcery.com>
20430 * config/m68k/m68k.c (output_move_const_into_data_reg):
20431 Output correct mnemonic for mvz and mvs.
20433 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20435 * rtl-factoring.c: Add sequence abstraction algorithm.
20436 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20437 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20439 (block_has_preserve_label): New function.
20440 * common.opt: Register new pass.
20441 * Makefile.in: Ditto.
20443 * timevar.def: Ditto.
20444 * tree-pass.h: Ditto.
20445 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20446 * rtl.h (make_jump_insn_raw): Add forward decl.
20447 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20449 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20450 Roger Sayle <roger@eyesopen.com>
20452 * fold-const.c (fold_minmax): New static function.
20453 (fold_binary) <MIN_EXPR>: Call it.
20454 <MAX_EXPR>: Likewise.
20455 * stor-layout.c (place_field): Use DECL_SIZE consistently
20456 in the computation of the new record size.
20458 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20460 * cse.c (cse_condition_code_reg): Make it static.
20461 * rtl.h: Remove the prototype for cse_condition_code_reg.
20463 * combine.c (combine_instructions): Make it static.
20464 * rtl.h: Remove the prototype for combine_instructions.
20466 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20469 * tree.c (get_file_function_name_long): Concatenate the first global
20470 object name with a string derived from the input filename of the object
20473 2006-01-16 Ben Elliston <bje@au.ibm.com>
20475 * config/i386/winnt-stubs.c: Update FSF address.
20476 * config/xtensa/ieee754-df.S: Ditto.
20477 * config/xtensa/ieee754-sf.S: Ditto.
20479 2006-01-14 Ian Lance Taylor <ian@airs.com>
20481 * ifcvt.c (noce_init_if_info): New static function, broken out of
20482 noce_process_if_block.
20483 (noce_process_if_block): Call noce_init_if_info.
20484 (check_cond_move_block): New static function.
20485 (cond_move_process_if_block): New static function.
20486 (process_if_block): Call cond_move_process_if_block.
20488 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20490 * cselib.c (hash_table): Rename to cselib_hash_table.
20491 (cselib_clear_table, discard_useless_values,
20492 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20493 cselib_init, cselib_finish): Adjust uses of hash_table.
20495 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20497 PR tree-optimization/25485
20498 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20499 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20500 is known to be false and true, respectively.
20502 2006-01-14 Richard Guenther <rguenther@suse.de>
20504 PR tree-optimization/22548
20505 PR tree-optimization/22555
20506 PR tree-optimization/22501
20507 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20508 * params.def (salias-max-array-elements): New parameter.
20509 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20510 * doc/invoke.texi (salias-max-array-elements): Document.
20511 * tree-flow-inline.h (var_can_have_subvars): We also handle
20513 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20515 * tree-ssa-structalias.c (params.h): Include.
20516 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20517 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20518 (get_constraint_for): For ADDR_EXPR operating on something
20519 containing an ARRAY_REF, add all subvars to the solution.
20520 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20521 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20522 for creating MUST_DEFs.
20523 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20525 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20527 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20529 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20530 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20531 number_of_iterations_le): New functions.
20532 (number_of_iterations_special): Removed.
20533 (number_of_iterations_exit): Do not use number_of_iterations_special.
20534 * tree.c (unsigned_type_for): Always return integer type.
20536 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20537 Richard Guenther <rguenther@suse.de>
20539 PR rtl-optimization/24257
20540 * gcse.c (find_moveable_store): Only consider a store movable
20541 when the SET_SRC of the insn can be assigned to a register.
20543 2006-01-14 Ian Lance Taylor <ian@airs.com>
20545 * tree.c (tree_not_class_check_failed): New function.
20546 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20547 (tree_not_class_check_failed): Declare.
20549 2006-01-13 Ian Lance Taylor <ian@airs.com>
20551 * reload1.c (do_output_reload): Add assertion rejecting a
20554 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20556 * combine.c (struct reg_stat): Add new fields truncation_label and
20558 (record_value_for_reg): Reset truncated_to_mode.
20559 (record_truncated_value): New function.
20560 (check_promoted_subreg): Call it. Rename to check_conversions.
20561 (combine_instructions): Rename check_promoted_subreg to
20563 (reg_truncated_to_mode): New function.
20564 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20565 (gen_lowpart_or_truncate): New function.
20566 (force_to_mode): Use it instead of gen_lowpart.
20568 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20570 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20571 VAR is a tag, not its type tag.
20573 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20575 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20576 alternatives to match style of other entries.
20577 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20579 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20581 PR tree-optimization/25771
20582 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20585 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20588 * tree-inline.c (declare_return_variable): If the return variable
20589 was marked as a non gimple complex, set the return slot variable
20590 to be a non gimple comple variable.
20592 2006-01-13 Richard Guenther <rguenther@suse.de>
20594 * builtins.c (expand_builtin_sincos): New function.
20595 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20597 (expand_builtin): Expand sincos using expand_builtin_sincos.
20599 2006-01-12 DJ Delorie <dj@redhat.com>
20601 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20602 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20603 so that constant shifts can be split.
20604 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20605 (m32c_valid_pointer_mode): Make static.
20606 (shift_gen_func_for): New.
20607 (m32c_prepare_shift): Use it. Split large const shifts into
20609 * config/m32c/predicates.md (shiftcount_operand): Allow more
20611 (longshiftcount_operand): New.
20612 * doc/md.texi (Machine Constraints): Document In6.
20614 2006-01-13 Ben Elliston <bje@au.ibm.com>
20616 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20617 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20620 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20622 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20623 to try to avoid clobbering pieces of structures when we know
20624 something about the whole structure.
20625 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20627 2006-01-13 Ben Elliston <bje@au.ibm.com>
20629 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20630 return in memory, as this is no limitation is no longer present.
20632 2006-01-12 DJ Delorie <dj@redhat.com>
20634 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20635 mova with fb, and for fb+0 -> An.
20637 * config/m32c/mov.md (peephole2): Fix enabling logic.
20639 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20640 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20641 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20642 FINI_ARRAY_SECTION_ASM_OP): Define.
20644 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20646 (m32c_legitimize_reload_address): New logic to reload FB to An.
20647 (m32c_output_reg_push): Add newline.
20648 (m32c_output_reg_pop): Likewise.
20650 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20652 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20654 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20656 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20658 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20660 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20663 2006-01-11 Ben Elliston <bje@au.ibm.com>
20665 * rtlanal.c (find_reg_note): Assert insn is not null.
20667 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20669 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20672 2006-01-11 Jeff Law <law@redhat.com>
20674 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20676 (mark_threaded_blocks, register_jump_thread): New functions.
20677 (thread_through_all_blocks): Remove unwanted argument. No
20678 longer rely on e->aux to communicate thread target info.
20679 Call mark_threaded_blocks. Release the threaded_blocks
20680 bitmap and threaded_edges vector when complete.
20681 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20682 (threaded_blocks): Remove.
20683 (tree_ssa_dominator_optimize): Remove initialization and
20684 finalization of threaded_blocks. Simplify call to
20685 thread_through_all_blocks.
20686 (thread_across_edge): Call register_jump_thread rather than
20687 storing thread information into e->aux.
20688 (free_all_edge_infos): Simplify now that e->aux is no longer
20689 used to communicate with thread_through_all_blocks.
20690 * tree-flow.h (thread_through_all_blocks): Update prototype.
20691 (register_jump_thread): Prototype.
20693 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20695 * df-core.c (df_compact_blocks, df_bb_replace): Use
20696 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20698 2006-01-11 Richard Guenther <rguenther@suse.de>
20700 PR tree-optimization/25734
20701 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20702 stop propagation after successful propagation to the LHS.
20704 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20706 * basic-block.h (control_flow_graph): Change the type of
20707 x_basic_block_info to VEC(basic_block,gc) *.
20708 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20710 (SET_BASIC_BLOCK): New.
20711 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20712 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20713 * cfgbuild.c (find_basic_blocks): Likewise.
20714 * cfglayout.c (fixup_reorder_chain): Likewise.
20715 * cfgrtl.c (create_basic_block_structure,
20716 rtl_create_basic_block): Likewise.
20717 * ifcvt.c (find_if_case_1): Likewise.
20718 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20721 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20723 * Makefile.in: Removed rotted odf.c entry.
20725 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20728 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20729 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20730 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20731 output pattern modifier, not %e.
20732 * config/cris/cris.c (cris_op_str): Update comment about pattern
20734 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20735 before falling through into...
20736 <case 'E'>: Redefined from old 'e' case.
20738 2006-01-11 Jan Hubicka <jh@suse.cz>
20741 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20743 2006-01-11 Jan Hubicka <jh@suse.cz>
20745 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20746 * i386.c (x86_decompose_lea): Kill.
20747 (ix86_rtx_costs): Kill.
20749 2006-01-11 Jan Hubicka <jh@suse.cz>
20751 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20752 * cgraph.h (cgraph_node): Add inline_decl.
20753 (cgraph_insert_node_to_hashtable): Declare.
20754 (save_inline_function_body): Declare.
20755 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20757 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20758 (cgraph_function_versioning): Update call of tree_function_versioning.
20759 (save_inline_function_body): New function.
20760 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20761 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20762 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20763 (cgraph_default_inline_p): Likewise.
20764 (cgraph_decide_inlining_incrementally): Likewise.
20765 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20766 (copy_bb): Kill saving; do updating of clones.
20767 (copy_cfg_body): Kill saving.
20768 (initialize_inlined-parameters): Likewise.
20769 (expand_call_inline): Likewise.
20771 (tree_function_versioning): New parameter "update_clones".
20772 (inlining_p): Kill saving.
20773 * tree-inline.h (tree_function_versioning): Update prototype.
20774 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20777 2006-01-11 Ian Lance Taylor <ian@airs.com>
20779 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20780 Allow undoing set of machine mode.
20781 (do_SUBST): Use enums instead of is_int.
20782 (do_SUBST_MODE): New function.
20783 (SUBST_MODE): New macro.
20784 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20785 reg and trying to replace reg_regno_rtx with a new register.
20786 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20787 (simplify_set): Use SUBST_MODE.
20788 (distribute_notes): Remove code that tried to update reg notes
20789 for regno_reg_rtx changes.
20791 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20793 PR tree-optimization/23109
20794 PR tree-optimization/23948
20795 PR tree-optimization/24123
20797 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20798 * tree-cfg.c (single_noncomplex_succ): New.
20799 * tree-flow.h (single_noncomplex_succ): Declare it.
20800 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20801 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20802 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20803 insert_bb, register_division_in, insert_reciprocals,
20804 replace_reciprocal, free_bb): New.
20805 (execute_cse_reciprocals_1): Rewritten.
20806 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20807 Do not commit any edge insertion. Always compute dominators and
20808 create the allocation pool.
20809 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20810 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20811 * targhooks.c (default_min_divistions_for_recip_mul): New.
20812 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20813 * passes.c (init_optimization_passes): Run recip after tree loop
20815 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20817 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20818 Kenneth Zadeck <zadeck@naturalbridge.com>
20820 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20821 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20822 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20823 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20824 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20825 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20826 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20827 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20828 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20829 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20830 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20831 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20832 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20833 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20834 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20835 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20836 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20837 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20838 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20839 DF_SCAN_POST_ALLOC): New macros.
20840 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20841 df_free_bb_function, df_local_compute_function, df_init_function,
20842 df_dataflow_function, df_confluence_function_0,
20843 df_confluence_function_n, df_transfer_function,
20844 df_finalizer_function, df_free_function, df_dump_problem_function,
20845 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20846 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20847 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20848 df_urec_bb_info, ) New types.
20849 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20851 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20852 df_analyze_simple_change_some_blocks,
20853 df_analyze_simple_change_one_block, df_compact_blocks,
20854 df_bb_replace, df_bb_regno_last_use_find,
20855 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20856 df_insn_regno_def_p, df_find_def, df_find_use,
20857 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20858 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20859 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20860 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20861 debug_df_chain, df_get_dependent_problem, df_chain_create,
20862 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20863 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20864 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20865 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20866 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20867 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20868 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20869 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20870 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20871 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20872 df_reorganize_refs, df_set_state, df_hard_reg_init,
20873 df_read_modify_subreg_p) New public functions.
20874 * df-core.c: The core dataflow solver and glue routines for rtl
20876 (df_init, df_add_problem, df_set_blocks, df_finish,
20877 df_hybrid_search_forward, df_hybrid_search_backward,
20878 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20879 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20880 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20881 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20882 df_reg_defined, df_find_use, df_reg_used, df_dump,
20883 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20884 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20885 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20886 debug_df_useno, reset_df_after_reload): New functions.
20887 * df-scan.c: The scanning fuctions, once in df.c, completely
20888 rewritten so that they now fully model the functionality of
20889 register usage at the backend.
20890 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20891 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20892 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20893 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20894 df_get_artificial_defs, df_get_artificial_uses,
20895 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20896 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20897 df_refs_delete, df_reorganize_refs, df_set_state,
20898 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20899 df_def_record_1, df_defs_record, df_uses_record,
20900 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20901 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20902 df_record_exit_block_uses, df_hard_reg_init): New functions.
20904 * df-problems.c: Seven concrete dataflow problems that use the
20905 scanning in df-scan.c and are solved by the engine in df-core.c.
20906 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20907 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20908 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20909 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20910 df_ru_free_bb_info, df_ru_alloc,
20911 df_ru_bb_local_compute_process_def,
20912 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20913 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20914 df_ru_transfer_function, df_ru_free, df_ru_dump,
20915 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20916 df_rd_free_bb_info, df_rd_alloc,
20917 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20918 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20919 df_rd_transfer_function, df_rd_free, df_rd_dump,
20920 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20921 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20922 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20923 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20924 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20925 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20926 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20927 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20928 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20929 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20930 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20931 df_urec_mark_reg_use_for_earlyclobber,
20932 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20933 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20934 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20935 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20936 df_chain_create_bb_process_use, df_chain_create_bb,
20937 df_chain_finalize, df_chain_free, df_chains_dump,
20938 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20939 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20940 df_reg_lifetime): New functions.
20941 * df.c: Deleted file.
20942 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20943 consistent with new df api.
20944 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20945 rest_of_handle_sms): Ditto.
20946 * web.c (unionfind_union, union_defs, entry_register, web_main):
20948 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20949 invariant_expr_equal_p, find_defs, check_dependencies,
20950 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20951 free_inv_motion_data, move_loop_invariants): Ditto.
20952 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20953 Update dependencies.
20954 (odf.c): Added defective entry that was deleted later in day.
20955 * sched-deps.c (sched_analyze_1): Ditto.
20957 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20959 * tree-ssa-operands.c (get_expr_operands): Record addressable
20960 variables directly. Do not call add_stmt_operands for CONST_DECLs
20962 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20963 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20965 2006-01-11 Ben Elliston <bje@au.ibm.com>
20967 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20968 function returns true in the positive case.
20970 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20973 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20974 for SI, DI, SF and DF modes. Add alternatives to copy between
20975 general and floating point registers to the 32-bit patterns.
20976 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20977 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20978 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20979 generating 64-bit code.
20980 * config/pa/pa.c (output_move_double): Handle copies between general
20981 and floating registers.
20983 2006-01-10 Stuart Hastings <stuart@apple.com>
20985 * config/i386/i386.md (set_got): Update.
20986 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20987 (builtin_setjmp_receiver): Mach-O support.
20988 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20989 (GOT_SYMBOL_NAME): Define.
20990 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20991 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20992 * config/i386/i386.c (override_options): Revise for Darwin.
20993 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20994 support. (darwin_x86_file_end): New. (output_set_got): Add label
20995 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20996 * config/i386/i386-protos.h (output_set_got): Likewise.
20997 * config/darwin.c (machopic_legitimize_pic_address): Update
21000 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21002 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21003 when MODE isn't BLKmode.
21005 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21007 PR rtl-optimization/25367
21008 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21010 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21013 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21014 for a negative bound.
21016 2006-01-10 Richard Guenther <rguenther@suse.de>
21018 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21019 Never override with anything constraint.
21021 2006-01-10 Jan Beulich <jbeulich@novell.com>
21023 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21024 256 bits when optimize_size.
21026 2006-01-10 Jan Beulich <jbeulich@novell.com>
21028 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21030 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21031 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21034 2006-01-10 Ben Elliston <bje@au.ibm.com>
21036 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21038 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21039 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21040 (USE_FP_FOR_ARG): Reject decimal float modes.
21041 (function_arg_advance): Likewise.
21042 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21043 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21044 point types in AltiVec vectors.
21045 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21046 (rs6000_libcall_value): Likewise.
21048 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21050 * config/xtensa/ieee754-df.S: New file.
21051 * config/xtensa/ieee754-sf.S: New file.
21052 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21053 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21054 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21056 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21058 * config/sh/predicates.md (binary_float_operator,
21059 binary_logical_operator, commutative_float_operator,
21060 equality_comparison_operator, greater_comparison_operator,
21061 less_comparison_operator, logical_operator,
21062 noncommutative_float_operator, shift_operator,
21063 symbol_ref_operand, unary_float_operator): Remove redundant
21066 2006-01-09 Jeff Law <law@redhat.com>
21068 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21069 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21070 now unused arguments. Callers updated.
21071 (eliminate_redundant_computations): Remove now unused arguments,
21073 (local_fold): Remove, no longer used.
21074 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21076 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21077 (simplify_cond): New function.
21078 (forward_propagate_into_cond): Call simplify_cond.
21080 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21082 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21083 (*vec_extractv2di_1_sse): New.
21085 2006-01-09 Ben Elliston <bje@au.ibm.com>
21087 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21089 2006-01-08 Richard Guenther <rguenther@suse.de>
21091 * tree-ssa-structalias.c (get_constraint_for): Remove
21092 anyoffset argument.
21093 (get_constraint_for_component_ref): Likewise.
21094 (do_deref): Likewise.
21095 (get_constraint_for): Likewise.
21096 (do_structure_copy): Likewise.
21097 (handle_ptr_arith): Likewise.
21098 (find_func_aliases): Likewise. Remove unused need_anyoffset
21101 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21102 Kaz Kojima <kkojima@gcc.gnu.org>
21104 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21105 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21106 (EXTRA_CONSTRAINT_C16): Remove.
21107 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21108 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21109 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21110 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21111 constants of SHmedia. Handle nested constant expressions of
21113 (andcosts): Fix the costs for SHmedia constants.
21114 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21115 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21116 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21117 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21118 (movv4hi_i, movv2si_i): Likewise.
21119 (movsi_const): Adjust the second operand of ior so to match with
21120 the Csu constraint.
21121 (movdi_const, movdi_const_32bit): Likewise.
21122 (movdi_const_16bit+1): Don't sign-extend LOW.
21123 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21125 (*double_shori): Fix the split condition. Use GEN_INT instead
21126 of get_int_mode calls. Mask lower 16-bit of the argument of
21128 (sym2GOTPLT): Remove.
21129 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21131 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21132 instead of EXTRA_CONSTRAINT_C16.
21134 2006-01-07 Ian Lance Taylor <ian@airs.com>
21135 David Edelsohn <edelsohn@gnu.org>
21137 PR rtl-optimization/25662
21138 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21139 for constant operands instead of simplify_gen_binary.
21140 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21141 after trying simplify_binary_operation
21143 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21145 * tree.c (iterative_hash_expr): Hash decls based on UID.
21147 2006-01-06 Eric Christopher <echristo@apple.com>
21149 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21150 (TARGET_UNWIND_EMIT): Fix spelling.
21151 * target.h (gcc_target): Add except_table_label.
21152 * except.c (output_function_exception_table): Use.
21153 * varasm.c (default_emit_except_table_label): New.
21154 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21156 (asm_out): Add here.
21157 * output.h (default_emit_except_table_label): Prototype.
21158 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21159 * config/darwin.c (darwin_emit_except_table_label): Define.
21160 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21162 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21164 PR tree-optimization/18527
21165 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21166 number_of_iterations_special, number_of_iterations_exit):
21167 Move base and step of an iv to a single structure. Add
21168 no_overflow flag, and use it in # of iterations analysis.
21169 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21170 folded_casts argument.
21171 (simple_iv): Pass base and step in a structure. Set no_overflow
21173 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21174 Evaluate expensiveness of computing # of iterations instead of
21175 the final expression.
21176 * tree-scalar-evolution.h (affine_iv): New structure.
21177 (simple_iv): Declaration changed.
21178 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21179 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21180 find_givs_in_stmt): Changed due to simple_iv change.
21182 2006-01-06 Jeff Law <law@redhat.com>
21185 * tree-cfg.c (bsi_replace): Rename final argument from
21186 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21187 change (stmt -> orig_stmt).
21188 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21189 (bsi_remove): Add new argument. Remove EH information
21191 (verify_eh_throw_table_statements): New function.
21192 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21194 * tree-optimize.c (execute_free_cfg_annotations): Verify
21195 the EH throw statement table after removing annotations.
21196 * except.h (verify_eh_throw_table_statements): Prototype.
21197 * tree-flow.h (bsi_remove): Update prototype.
21198 * tree-vrp.c (remove_range_assertions): Add new argument to
21200 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21201 * tree-complex.c (expand_complex_div_wide): Likewise.
21202 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21203 * tree-tailcall.c (eliminate_tailcall): Likewise.
21204 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21205 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21206 * tree-nrv.c (tree_nrv): Likewise.
21207 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21208 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21209 (combine_blocks): Likewise.
21210 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21211 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21212 (cleanup_control_flow): Likewise.
21213 (remove_forwarder_block): Likewise.
21214 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21215 * tree-sra.c (sra_replace): Likewise.
21216 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21217 (forward_propagate_single_use_vars): Likewise.
21218 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21219 * tree-inline.c (expand_call_inline): Likewise.
21220 * tree-vect-transform.c (vect_transform_loop): Likewise.
21221 * tree-outof-ssa.c (rewrite_trees): Likewise.
21222 * tree-cfg.c (make_goto_expr_edges): Likewise.
21223 (cleanup_dead_labels): Likewise.
21224 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21225 (bsi_move_before, bsi_move_after): Likewise.
21226 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21227 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21229 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21232 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21234 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21235 on non gimple variables. Also add checks at the top for decls and
21237 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21239 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21240 and IMAGPART_EXPR for creating MUST_DEFs.
21241 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21242 and NAME_MEMORY_TAG separately from the DECLs.
21244 2006-01-06 Richard Guenther <rguenther@suse.de>
21246 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21247 annotation, if necessary.
21248 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21249 redundant calls to update_stmt.
21250 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21253 2006-01-05 Richard Henderson <rth@redhat.com>
21255 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21257 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21259 * c-typeck.c: Update copyright date.
21261 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21263 * c-typeck.c (build_c_cast): Always warn when casting
21264 from a pointer to an integer of different size, even if
21265 the node was constant.
21267 2006-01-05 Richard Guenther <rguenther@suse.de>
21269 PR tree-optimization/22555
21270 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21271 if one structure field is an array.
21272 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21273 operands even if we found a subvar, but ignore VOPs in this
21275 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21277 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21279 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21281 PR middle-end/24998
21282 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21284 2006-01-05 Richard Guenther <rguenther@suse.de>
21285 Diego Novillo <dnovillo@redhat.com>
21287 * tree-pass.h (TODO_remove_unused_locals): Define.
21288 * gimple-low.c (expand_var_p, remove_useless_vars,
21289 pass_remove_useless_vars): Remove. Update all users.
21290 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21291 (remove_unused_locals): New function.
21292 * tree-flow.h (remove_unused_locals): Declare.
21293 * passes.c (execute_todo): Call remove_unused_locals if
21294 TODO_remove_unused_locals is set.
21295 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21296 * tree-ssa-dce.c (pass_dce): Likewise.
21297 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21299 2006-01-05 Richard Guenther <rguenther@suse.de>
21301 * tree-flow.h (struct fieldoff): Decompose field to
21302 type, size and decl.
21303 * tree-ssa-alias.c (create_sft): Take type as parameter.
21304 (create_overlap_variables_for): Store type, size and decl
21305 in the fieldoff structure.
21306 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21307 of struct fieldoff.
21308 (push_fields_onto_fieldstack): Likewise.
21309 (create_variable_info_for): Likewise. Use offset for the
21310 SFT name if the decl is not available.
21312 2006-01-04 Paul Brook <paul@codesourcery.com>
21314 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21316 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21318 * lambda-code.c (can_put_in_inner_loop): Relax
21320 (can_put_after_inner_loop): New function.
21321 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21322 (perfect_nestify): Change to make copies and modify uses.
21324 2006-01-04 Richard Henderson <rth@redhat.com>
21326 Merge from gomp branch:
21327 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21328 via integer constant.
21329 (pragma_lex): Remove.
21330 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21331 rather than parsing it.
21332 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21333 handle_pragma_extern_prefix): Add %< %> quotes.
21334 (registered_pragmas): New.
21335 (c_register_pragma_1): New.
21336 (c_register_pragma): Use it.
21337 (c_register_pragma_with_expansion): Likewise.
21338 (c_invoke_pragma_handler): New.
21339 (init_pragma): Use cpp_register_deferred_pragma directly for
21341 * c-pragma.h (enum pragma_kind): New.
21342 (pragma_handler): New.
21343 (c_invoke_pragma_handler): Declare.
21344 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21346 * c-common.h (c_common_pch_pragma): Update decl.
21347 * Makefile.in (c-parser.o): Update dependencies.
21348 (GTFILES): Add c-pragma.h.
21349 * c-parser.c (struct c_token): Add pragma_kind.
21350 (struct c_parser): Add in_pragma.
21351 (c_lex_one_token): Always initialize keyword and pragma_kind.
21352 Extract data for CPP_PRAGMA.
21353 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21354 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21355 Don't allow CPP_PRAGMA_EOL if in_pragma.
21356 (c_parser_consume_pragma): New.
21357 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21358 (c_parser_skip_to_end_of_parameter): Likewise.
21359 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21360 (c_parser_skip_to_pragma_eol): New.
21361 (c_parser_external_declaration): Handle CPP_PRAGMA.
21362 (c_parser_compound_statement_nostart): Likewise.
21363 (c_parser_statement_after_labels): Likewise.
21364 (c_parser_pragma): New.
21365 (pragma_lex): Likewise.
21366 (c_parser_pragma_pch_preprocess): New.
21367 (c_parser_new): Merge into ...
21368 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21370 2006-01-04 Jeff Law <law@redhat.com>
21373 * tree-cfg.c (bsi_replace): Remove the original statement
21374 from the EH throw statement table.
21376 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21378 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21379 make the prototype extern "C" and add throw ().
21382 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21383 and pos non-negative and pos + len <= 32.
21384 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21385 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21386 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21389 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21390 as well as sizes not multiple of component size.
21393 * function.c (instantiate_expr): New function.
21394 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21395 walk its DECL_VALUE_EXPR with instantiate_expr.
21397 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21398 DW_OP_deref{,_size} if address isn't going to be added.
21400 2006-01-04 Ben Elliston <bje@au.ibm.com>
21402 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21403 * config/fp-bit.c: Likewise.
21405 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21407 * dominance.c: Add comment about why we use DFS numbering
21410 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21411 Richard Henderson <rth@redhat.com>
21413 Merge from gomp-branch:
21414 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21415 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21417 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21419 PR rtl-optimization/25578
21420 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21421 pass a parameter to simplify_shift_const if changing ASHIFTRT
21424 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21426 * builtins.c (get_builtin_sync_mem): New function.
21427 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21428 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21429 Call get_builtin_sync_mem to generate mem rtx.
21431 2006-01-03 Richard Guenther <rguenther@suse.de>
21434 * stmt.c (add_case_node): Make sure to clear overflow flags
21437 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21439 Merge from gomp-branch.
21440 * config/sparc/sync.md: New file.
21441 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21442 UNSPECV_LDSTUB): New constants.
21443 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21444 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21445 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21448 2006-01-03 Roger Sayle <roger@eyesopen.com>
21450 * combine.c (reg_subword_p): New predicate to test whether the
21451 destination of a set refers to a subword/piece of a register.
21452 (try_combine): Generalize the code to merge the setting of a
21453 pseudo to a constant followed by a set of a subword of that
21454 register to a constant.
21456 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21458 * basic-block.h (control_flow_graph): Change the type of
21459 x_label_to_block_map to VEC(basic_block,gc) *.
21460 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21461 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21463 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21464 VEC(basic_block,heap) *.
21465 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21466 ssa_prop_fini): Adjust the uses of cfg_blocks.
21468 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21470 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21472 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21473 hashing trees instead of a pointer hash.
21474 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21475 compare for MEM_EXPR.
21477 PR rtl-optimization/25130
21478 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21479 when comparing MEMs for GCSE
21481 2006-01-03 Ben Elliston <bje@au.ibm.com>
21483 * targhooks.h (default_decimal_float_supported_p): Declare.
21484 * targhooks.c (default_decimal_float_supported_p): Define.
21485 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21486 `default_decimal_float_supported_p'.
21487 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21489 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21491 * combine.c (apply_distributive_law <SUBREG>): Check
21492 TRULY_NOOP_TRUNCATION.
21494 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21496 * dwarf2out.c (have_switched_text_section): Delete.
21497 (have_multiple_function_sections): New.
21498 (have_location_lists): Make 'bool'.
21499 (add_AT_loc_list): Use 'true' not '1'.
21500 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21501 (output_loc_list): Use have_multiple_function_sections.
21502 (output_ranges): Likewise.
21503 (dwarf2out_begin_function): Set have_multiple_function_sections if
21505 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21506 Check function_section rather than DECL_SECTION_NAME.
21507 (dwarf2out_finish): Use have_multiple_function_sections.
21508 Don't clear have_location_lists.
21510 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21511 Jan Hubicka <jh@suse.cz>
21513 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21514 case of conditional jump jumping to the next instruction.
21515 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21516 cases of conditional jump jumping to the next instruction.
21518 2006-01-02 Jan Hubicka <jh@suse.cz>
21520 * i386.c (*_cost): Add COSTS_N_INSNS.
21521 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21523 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21526 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21528 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21530 * config/arm/arm.c (all_fpus): Fix comment typo.
21531 * config/darwin.c: Likewise.
21532 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21533 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21534 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21536 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21538 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21539 (rs6000_split_compare_and_swapqhi): New.
21540 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21541 (sync_compare_and_swapqhi_internal): New.
21542 * config/rs6000/rs6000-protos.h: Declare.