1 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
5 (length_immediate): Do not depend on cld type attribute.
6 (length_address): Ditto.
9 (cld): Remove insn pattern.
10 (strmov_singleop): Do not use DIRFLAG_REG.
11 (*strmovdi_rex_1): Ditto.
13 (*strmovsi_rex_1): Ditto.
15 (*strmovhi_rex_1): Ditto.
17 (*strmovqi_rex_1): Ditto.
19 (*rep_movdi_rex64): Ditto.
21 (*rep_movsi_rex64): Ditto.
23 (*rep_movqi_rex64): Ditto.
24 (strset_singleop): Ditto.
25 (*strsetdi_rex_1): Ditto.
27 (*strsetsi_rex_1): Ditto.
29 (*strsethi_rex_1): Ditto.
31 (*strsetqi_rex_1): Ditto.
33 (*rep_stosdi_rex64): Ditto.
35 (*rep_stossi_rex64): Ditto.
37 (*rep_stosqi_rex64): Ditto.
38 (cmpstrnsi): Do not generate cld insn.
39 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
40 (*cmpstrnqi_nz_1): Ditto.
41 (*cmpstrnqi_nz_rex_1): Ditto.
43 (*cmpstrnqi_1): Ditto.
44 (*cmpstrnqi_rex_1): Ditto.
47 (*strlenqi_rex_1): Ditto.
49 * config/i386/geode.md (shift): Do not depend on cld type attribute.
50 * config/i386/pentium.md (pent_cld): Remove insn reservation.
51 * config/i386/athlon.md (athlon_decode): Do not depend on cld
53 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
54 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
56 (k6_alux_only_load): Ditto.
57 (k6_alux_only_store): Ditto.
59 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
60 Do not emit cld instruction.
61 (ix86_expand_setmem): Ditto.
62 (ix86_expand_strlen): Do not emit cld instruction.
64 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
66 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
69 2006-12-06 Diego Novillo <dnovillo@redhat.com>
71 * gdbinit.in: Set complaints to 0.
73 2006-12-06 Jan Hubicka <jh@suse.cz>
75 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
76 ALONE_MEM_STAT_DECL): New macros.
77 * bitmap.h: Include statistics.h
78 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
79 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
80 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
81 * bitmap.c: Include hashtab.h
82 (bitmap_descriptor): New.
83 (bitmap_hash): New static variable
84 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
86 (bitmap_register): New.
87 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
88 bitmap_obstack_release): Do accounting.
89 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
91 (bitmap_gc_alloc_stat): Likewise.
92 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
93 (print_statistics, dump_bitmap_statistics): New functions.
94 * toplev.c (finalize): Dump bitmap statistics.
96 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
98 * reload1.c (delete_output_reload): Count occurrences in
99 CALL_INSN_FUNCTION_USAGE.
100 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
101 crashing at the end of the list.
103 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
105 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
106 Optimize to avoid marking more SMT's as used when they aren't.
108 2006-12-05 Eric Christopher <echristo@apple.com>
110 * config/i386/i386.c (x86_output_aligned_bss): Move out
111 of COMMON_ASM_OP ifdef.
113 2006-12-05 Eric Christopher <echristo@apple.com>
115 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
116 (STARTFILE_SPEC): Use.
117 (DARWIN_DYLIB1_SPEC): New.
118 (DARWIN_CRT1_SPEC): New.
119 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
121 * config/i386/darwin.h: Ditto.
122 * config/rs6000/darwin.h: Ditto.
124 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
126 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
127 * tree-complex.c (pass_lower_complex): Ditto.
128 * tree-ssa-ccp.c (pass_ccp): Ditto.
129 (pass_store_ccp): Ditto.
130 * tree-ssa-dom.c (pass_dominator): Ditto.
131 (pass_phi_only_cprop): Ditto.
132 * tree-sra.c (pass_sra): Ditto.
133 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
134 * tree-flow.h (updating_used_alone): Remove.
135 (updating_used_alone): Ditto.
136 * tree-ssa-alias.c (updating_used_alone): Remove variable.
137 (lhs_may_store_to): Remove function.
138 (recalculate_used_alone): Ditto.
139 (compute_may_aliases): Remove used_alone calculation.
140 * tree.h (struct tree_memory_tag): Remove is_used_alone and
141 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
142 * tree-pass.h (PROP_smt_usage): Remove.
143 * passes.c (execute_todo): Remove used alone recalculation.
144 (execute_one_pass): Ditto.
145 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
148 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
150 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
152 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
154 PR tree-optimization/14784
155 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
157 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
159 Merge from gimple-tuples-branch.
161 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
163 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
165 (s390_gimplify_va_arg): Same.
166 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
167 * config/sh/sh.c (sh_va_start): Same.
168 (sh_gimplify_va_arg_expr): Same.
169 * config/xtensa/xtensa.c (xtensa_va_start): Same.
170 (xtensa_gimplify_va_arg_expr): Same.
171 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
172 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
173 * config/mips/mips.c (mips_va_start): Same.
174 (mips_gimplify_va_arg_expr): Same.
176 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
178 * Merge from mainline at revision 119445.
180 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
182 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
184 (spu_gimplify_va_arg_expr): Same.
186 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
188 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
189 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
190 (xstormy16_expand_builtin_va_arg): Same.
192 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
194 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
195 to GIMPLE_MODIFY_STMT.
197 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
199 * config/alpha/alpha.c (va_list_skip_additions): Change all
200 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
201 (alpha_va_start): Same.
202 (alpha_gimplify_va_arg_1): Same.
203 (alpha_gimplify_va_arg): Same.
205 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
207 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
209 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
211 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
212 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
214 * tree-complex.c: Same.
215 * tree-pretty-print.c: Same.
219 * fold-const.c: Same.
220 * tree-ssa-dom.c: Same.
221 * tree-ssa-propagate.c: Same.
222 * tree-ssa-alias.c: Same.
223 * gimple-low.c: Same.
225 * c-pretty-print.c: Same.
227 * tree-inline.c: Same.
228 * tree-outof-ssa.c: Same.
229 * tree-ssa-structalias.c: Same.
230 * tree-ssa-reassoc.c: Same.
233 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
235 * tree.c (build2_stat): Fix comment.
237 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
239 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
240 TREE_OPERAND when appropriate.
242 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
244 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
245 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
246 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
247 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
248 not handle GIMPLE_MODIFY_STMT in the switch statement.
249 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
250 (java_gimplify_new_array_init): Same.
252 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
254 * gimplify.c (gimplify_omp_for): Allow gimple statements.
255 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
256 * fold-const.c (fold_binary): Allow gimple statements.
258 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
259 Rename from gfc_conv_descriptor_data_set.
260 Call gfc_add_modify instead of gfc_add_modify_expr.
261 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
262 Rename from gfc_conv_descriptor_data_set.
263 (gfc_conv_descriptor_data_set): New macro.
264 (gfc_conv_descriptor_data_set_tuples): New macros.
265 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
266 gfc_conv_descriptor_data_set_tuples.
267 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
268 Generate GIMPLE_MODIFY_STMT when appropriate.
269 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
270 (gfc_add_modify_expr): New macro.
271 (gfc_add_modify_stmt): New macro.
272 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
274 2006-11-02 Aldy Hernandez <aldyh@redhat.com>
276 * ada/ada-tree.h (lang_tree_node): Handle gimple tuples.
277 * ada/trans.c (gnat_gimplify_expr): Replace MODIFY_EXPR with
280 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
282 * Merge from mainline at revision 118200.
284 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
286 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
289 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
291 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
293 Also, add __extension__ to GCC versions.
294 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
295 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
298 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
300 * tree-complex.c (expand_complex_libcall): Adjust for
302 (expand_complex_comparison): Same.
303 * tree-pretty-print.c (dump_generic_node): Is_expr should include
304 GIMPLE_STMT_P statements.
305 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
307 (tree_mod_pow2_value_transform): Same.
308 (tree_mod_subtract_transform): Same.
309 * tree.c (build2_stat): Check for gimplified function in cfun.
310 * tree.h (DECL_GIMPLIFIED): Delete.
311 (struct tree_function_decl): Remove gimplified_flag.
312 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
313 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
314 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
315 (cxx_omp_clause_copy_ctor): Same.
316 (cxx_omp_clause_assign_op): Same.
317 * c-pretty-print.c (pp_c_conditional_expression): Same.
318 (pp_c_expression): Same.
319 * langhooks.c (lhd_omp_predetermined_sharing): Same.
320 * function.h (struct function): Add gimplified field.
321 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
323 (find_phi_replacement_condition): Same.
324 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
325 (gimplify_modify_expr_to_memset): Same.
326 (gimplify_init_ctor_eval_range): Same.
327 (gimplify_modify_expr_complex_part): Same.
328 (tree_to_gimple_tuple): Same.
329 (gimplify_modify_expr): Same.
330 (gimple_push_cleanup): Same.
331 (gimplify_omp_for): Same.
332 (gimplify_omp_atomic_pipeline): Same.
333 (gimplify_omp_atomic_mutex): Same.
334 (gimplify_expr): Same.
335 (gimplify_one_sizepos): Same.
336 (gimplify_function_tree): Same.
337 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
338 (vect_recog_widen_sum_pattern): Same.
339 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
340 (vect_create_epilog_for_reduction): Same.
341 (vectorizable_reduction): Same.
343 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
345 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
346 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
347 (ifc_temp_var): Same.
348 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
349 for gimple statements.
350 (vect_analyze_operations): Same.
351 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
352 * gimplify.c (gimplify_return_expr): Handle gimple statements.
353 * lambda-code.c (can_put_in_inner_loop): Same.
354 (can_put_after_inner_loop): Same.
355 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
356 (vect_create_data_ref_ptr): Same.
357 (vect_init_vector): Same.
358 (vect_get_vec_def_for_operand): Same.
359 (vect_create_epilog_for_reduction): Same.
360 (vectorizable_reduction): Same.
361 (vectorizable_assignment): Same.
362 (vectorizable_operation): Same.
363 (vectorizable_load): Same.
364 (vectorizable_condition): Same.
365 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
366 (rs6000_gimplify_va_arg): Same.
368 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
370 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
372 (simplify_abs_using_ranges): Same.
373 * tree-complex.c (expand_complex_operations_1): Use
374 PROTECTED_TREE_OPERAND.
375 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
377 (get_val_for): Use GIMPLE_STMT_OPERAND.
378 * tree-tailcall.c (adjust_accumulator_values): Same.
379 (adjust_return_value): Same.
380 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
381 case. Remove special case for tcc_gimple_stmt.
382 * tree.h (CAN_HAVE_LOCATION_P): New.
383 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
385 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
386 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
387 * tree-nrv.c (execute_return_slot_opt): Same.
388 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
389 * tree-vn.c (set_value_handle): Same.
390 (get_value_handle): Same.
391 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
392 * tree-vectorizer.c (find_loop_location): Same.
393 * c-typeck.c (c_process_expr_stmt): Same.
394 (c_finish_stmt_expr): Same.
395 * gimplify.c (should_carry_locus_p): Same.
396 (tree_to_gimple_tuple): Delete definition and use of unecessary
397 variable save_tree_block.
398 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
399 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
400 (realify_fake_stores): Same.
401 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
403 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
404 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
405 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
406 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
407 (c_parser_statement_after_labels): Same.
408 (c_parser_paren_condition): Same.
409 (c_parser_for_statement): Same.
410 (c_parser_omp_for_loop): Same.
411 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
412 (linearize_expr_tree): Same.
413 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
414 * function.c (instantiate_expr): Same.
416 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
418 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
419 (set_expr_location): Same.
421 (set_expr_locus): Same.
422 (expr_filename): Same.
424 (tree_block): Use GIMPLE_STMT_BLOCK.
425 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
426 * tree.h (struct gimple_stmt): Remove prev and next.
427 (GIMPLE_STMT_OPERAND_CHECK): New.
428 (TREE_TO_GIMPLE_STMT): Delete.
429 (GIMPLE_STMT_TO_TREE): Delete.
430 (GIMPLE_STMT_OPERAND): Use union, not cast.
431 (GIMPLE_STMT_LOCUS): New.
432 (GIMPLE_STMT_BLOCK): New.
433 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
435 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
437 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
439 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
441 * tree-tailcall.c (adjust_return_value): Same.
442 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
443 (copy_node_stat): Change common.base to base.
444 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
445 Remove GIMPLE_STATEMENT_LIST case.
446 * tree.h (struct gimple_stmt): Make operands of type tree.
447 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
448 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
449 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
450 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
451 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
452 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
453 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
454 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
455 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
456 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
457 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
458 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
459 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
460 Change common.base to base.
461 (GIMPLE_STATEMENT_LIST*): Remove.
462 (union tree_node): Add base. Remove gimple_statement_list.
463 Remove pointer from gstmt.
464 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
465 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
466 * tree-vn.c (vn_compute): Change common.base to base.
467 * tree-eh.c (verify_eh_throw_stmt_node): Same.
468 * tree-flow-inline.h (var_ann): Same.
469 (function_ann): Same.
471 (mark_non_addressable): Same.
472 * gimplify.c (tree_to_gimple_tuple): Same.
473 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
474 * tree-dfa.c (create_var_ann): Change common.base to base.
475 (create_function_ann): Same.
476 (create_stmt_ann): Same.
477 (create_tree_ann): Same.
478 (collect_dfa_stats_r): Same.
479 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
480 * tree-ssa-dce.c (NECESSARY): Same.
481 * tree-ssa.c (delete_tree_ssa): Same.
482 * tree-optimize.c (execute_free_cfg_annotations): Same.
485 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
487 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
488 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
490 * tree.h (struct gimple_stmt): Add prev and next fields.
491 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
492 (GIMPLE_STATEMENT_LIST_HEAD): New.
493 (GIMPLE_STATEMENT_LIST_TAIL): New.
494 (struct gimple_statement_list): New.
495 (union tree_node): Add gimple_stmt_list and gstmt.
496 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
497 * tree.def: Add GIMPLE_STATEMENT_LIST.
499 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
501 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
502 * tree-vrp.c (build_assert_expr_for): Change uses of
503 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
504 (find_assert_locations): Same.
505 (remove_range_assertions): Same.
506 (stmt_interesting_for_vrp): Same.
507 (vrp_visit_assignment): Same.
508 (vrp_visit_stmt): Same.
509 (simplify_cond_using_ranges): Same.
510 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
512 * tree-ssa-loop-im.c (movement_possibility): Change uses of
513 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
515 (determine_invariantness_stmt): Same.
517 (gather_mem_refs_stmt): Same.
518 * tree-complex.c (init_dont_simulate_again): Same.
519 (complex_visit_stmt): Same.
520 (set_component_ssa_name): Same.
521 (expand_complex_move): Same.
522 (expand_complex_div_wide): Same.
523 (expand_complex_comparison): Same.
524 (expand_complex_operations_1): Same.
525 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
526 (chain_of_csts_start): Same.
527 (infer_loop_bounds_from_undefined): Same.
528 * tree-pretty-print.c (dump_generic_node): Same.
531 * tree-ssa-loop-manip.c (create_iv): Same.
532 * value-prof.c (tree_divmod_fixed_value): Same.
533 (tree_divmod_fixed_value_transform): Same.
534 (tree_mod_pow2): Same.
535 (tree_mod_pow2_value_transform): Same.
536 (tree_mod_subtract): Same.
537 (tree_mod_subtract_transform): Same.
538 (tree_divmod_values_to_profile): Same.
539 * tree-tailcall.c (process_assignment): Same.
540 (find_tail_calls): Same.
541 (adjust_accumulator_values): Same.
542 (adjust_return_value): Same.
543 (eliminate_tail_call): Same.
544 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
545 (make_node_stat): Same.
546 (copy_node_stat): Handle gimple tuples.
547 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
548 (tree_node_structure): Handle tcc_gimple_stmt.
549 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
551 (build2_gimple_stat): New.
552 (expr_location): New.
553 (set_expr_location): New.
554 (expr_has_location): New.
556 (set_expr_locus): New.
557 (expr_filename): New.
559 (walk_tree): Handle tcc_gimple_stmt.
561 (protected_tree_operand): New.
562 (protected_tree_type): New.
563 (tree_code_kind): Add gimple statements.
564 * tree.h (tree_code_class): Add tcc_gimple_stmt.
565 (IS_GIMPLE_STMT_CODE_CLASS): New.
566 (struct tree_base): New.
567 (struct tree_common): Shrink.
568 (struct gimple_stmt): New.
569 (struct gimple_expr): New.
570 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
571 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
572 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
573 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
574 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
575 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
576 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
577 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
578 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
579 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
580 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
581 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
582 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
583 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
584 Adjust for new `common' layout.
585 (struct tree_function_decl): Add gimplified_flag.
586 (DECL_GIMPLIFIED): NEW.
587 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
588 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
589 EXPR_HAS_LOCATION): Call corresponding function.
590 (GIMPLE_STMT_CHECK): New.
591 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
592 (TREE_BLOCK): Call tree_block.
593 (GIMPLE_STMT_P): New.
594 (GIMPLE_TUPLE_P): New.
595 (TREE_TO_GIMPLE_STMT): New.
596 (GIMPLE_STMT_TO_TREE): New.
597 (GIMPLE_STMT_OPERAND): New.
598 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
599 (PROTECTED_TREE_OPERAND): New.
600 (PROTECTED_TREE_TYPE): New.
601 (build2_gimple_stat): Protoize.
602 (build2_gimple): New.
603 (expr_location): Protoize.
604 (set_expr_location): Protoize.
605 (expr_has_location): Protoize.
606 (expr_locus): Protoize.
607 (set_expr_locus): Protoize.
608 (expr_filename): Protoize.
609 (expr_lineno): Protoize.
610 (tree_block): Protoize.
611 (protected_tree_operand): Protoize.
612 (protected_tree_type): Protoize.
613 (enum tree_node_kind): Add gimple_stmt_kind.
614 * c-decl.c (union lang_tree_node): Tuples do not have a
616 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
617 GIMPLE_MODIFY_STMT and adjust accordingly.
618 * tree-scalar-evolution.c (follow_ssa_edge): Same.
619 (interpret_condition_phi): Same.
620 (pointer_used_p): Same.
621 (analyze_scalar_evolution_1): Same.
622 (scev_const_prop): Same.
623 (interpret_rhs_modify_stmt): Rename from
624 interpret_rhs_modify_expr.
625 * builtins.c (std_expand_builtin_va_start): Change uses of
626 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
627 (std_gimplify_va_arg_expr): Same.
628 (expand_builtin_va_copy): Same.
629 (integer_valued_real_p): Same.
630 * fold-const.c (maybe_lvalue_p): Same.
632 (tree_expr_nonnegative_p): Same.
633 (tree_expr_nonzero_p): Same.
634 * omp-low.c (extract_omp_for_data): Same.
635 (lower_rec_input_clauses): Same.
636 (lower_reduction_clauses): Same.
637 (lower_copyprivate_clauses): Same.
638 (lower_send_clauses): Same.
639 (lower_send_shared_vars): Same.
640 (expand_parallel_call): Same.
641 (expand_omp_parallel): Same.
642 (expand_omp_for_generic): Same.
643 (expand_omp_for_static_nochunk): Same.
644 (expand_omp_for_static_chunk): Same.
645 (expand_omp_sections): Same.
646 (lower_omp_single_copy): Same.
647 (lower_omp_parallel): Same.
648 * tree-ssa-dse.c (memory_address_same): Same.
649 (dse_optimize_stmt): Same.
650 * ipa-reference.c (scan_for_static_refs): Same.
651 * tree-gimple.c (is_gimple_reg_rhs): Same.
652 (get_call_expr_in): Same.
653 (recalculate_side_effects): Same.
654 * cgraphunit.c (cgraph_create_edges): Same.
655 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
656 * tree-ssa-ccp.c (get_default_value): Same.
657 (likely_value): Same.
658 (visit_assignment): Same.
659 (ccp_visit_stmt): Same.
660 (get_maxval_strlen): Same.
661 (ccp_fold_builtin): Same.
662 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
663 (find_givs_in_stmt): Same.
664 (find_interesting_uses_op): Same.
665 (find_interesting_uses_stmt): Same.
666 (rewrite_use_nonlinear_expr): Same.
667 * ipa-pure-const.c (scan_function): Same.
668 * tree-stdarg.c (va_list_counter_bump): Same.
669 (check_all_va_list_escapes): Same.
670 (execute_optimize_stdarg): Same.
671 * tree-ssa-math-opts.c (compute_merit): Same.
672 (insert_reciprocals): Same.
673 (execute_cse_reciprocals): Same.
674 * tree-ssa-dom.c (initialize_hash_element): Same.
675 (simple_iv_increment_p): Same.
676 (record_equivalences_from_stmt): Same.
677 (optimize_stmt): Same.
678 (remove_stmt_or_phi): Same.
679 (get_rhs_or_phi_arg): Same.
680 (get_lhs_or_phi_result): Same.
681 (propagate_rhs_into_lhs): Same.
682 * tree-nrv.c (tree_nrv): Same.
683 (execute_return_slot_opt): Same.
684 * tree-ssa-propagate.c (get_rhs): Same.
686 (stmt_makes_single_load): Same.
687 (stmt_makes_single_store): Same.
688 (replace_vuses_in): Same.
689 (fold_predicate_in): Same.
690 (substitute_and_fold): Same.
691 * tree-ssa-alias.c (compute_call_clobbered): Same.
692 (recalculate_used_alone): Same.
693 (count_uses_and_derefs): Same.
694 (is_escape_site): Same.
695 (find_used_portions): Same.
696 * gimple-low.c (lower_stmt): Same.
697 (block_may_fallthru): Same.
698 (lower_return_expr): Same.
699 * tree-ssa-sink.c (is_hidden_global_store): Same.
700 (statement_sink_location): Same.
701 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
702 * expr.c (safe_from_p): Same.
703 (expand_expr_real): Same.
704 (expand_expr_real_1): Same.
705 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
706 * predict.c (expr_expected_value): Same.
707 (strip_builtin_expect): Same.
708 (apply_return_prediction): Same.
709 (tree_bb_level_predictions): Same.
710 (tree_estimate_probability): Same.
711 * tree-vn.c (vn_compute): Same.
712 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
713 (remove_stmt_from_eh_region_fn): Same.
714 (do_return_redirection): Same.
715 (honor_protect_cleanup_actions): Same.
716 (lower_try_finally_switch): Same.
717 (lower_eh_constructs_1): Same.
718 (tree_could_throw_p): Same.
719 (verify_eh_throw_stmt_node): Same.
720 * function.c (gimplify_parameters): Same.
721 * tree-vectorizer.c (vect_is_simple_use): Same.
722 (vect_is_simple_reduction): Same.
723 * ipa-type-escape.c (scan_for_refs): Same.
724 * tree-if-conv.c (tree_if_conversion): Same.
725 (tree_if_convert_stmt): Same.
726 (if_convertible_gimplify_modify_stmt_p): Rename from
727 if_convertible_modify_expr_p.
728 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
729 (ifc_temp_var): Same.
730 (replace_phi_with_cond_modify_stmt): Rename from
731 replace_phi_with_cond_modify_expr.
732 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
733 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
734 * tree-data-ref.c (find_data_references_in_loop): Adjust for
736 * tree-flow-inline.h (var_ann): Same.
737 (function_ann): Same.
739 (mark_non_addressable): Same.
740 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
741 * gimplify.c (tree_to_gimple_tuple): New.
742 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
743 (gimplify_return_expr): Same.
744 (gimplify_decl_expr): Same.
745 (gimplify_self_mod_expr): Same.
746 (gimplify_cond_expr): Same.
747 (gimplify_init_constructor): Same.
748 (gimplify_modify_expr): Same.
749 (gimplify_expr): Same.
750 (gimplify_function_tree): Same.
751 (force_gimple_operand): Same.
752 * tree-ssa-phiopt.c (conditional_replacement): Same.
753 (minmax_replacement): Same.
754 (abs_replacement): Same.
755 * tree-dfa.c (create_var_ann): Same.
756 (create_function_ann): Same.
757 (create_stmt_ann): Same.
758 (create_tree_ann): Same.
759 (collect_dfa_stats_r): Same.
760 * tree-ssa-pre.c (find_or_generate_expression): Same.
761 (create_expression_by_pieces): Same.
762 (try_look_through_load): Same.
763 (insert_fake_stores): Same.
764 (realify_fake_stores): Same.
765 (compute_avail): Same.
768 (poolify_modify_stmt): Rename from poolify_modify_stmt.
769 Adjust for GIMPLE_MODIFY_STMT.
770 (NECESSARY): Adjust for new `common' layout.
771 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
773 * tree-sra.c (sra_walk_modify_stmt): Rename from
774 sra_walk_modify_expr.
775 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
776 (generate_copy_inout): Same.
777 (generate_element_copy): Same.
778 (generate_element_zero): Same.
779 (scalarize_copy): Same.
780 * tree-mudflap.c (mf_decl_cache_locals): Same.
781 (mf_build_check_statement_for): Same.
782 (mf_xform_derefs): Same.
783 * ipa-prop.c (ipa_method_modify_stmt): Same.
784 * print-tree.c (print_node): Handle gimple tuples.
785 Add case for tcc_gimple_stmt.
786 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
788 (copy_prop_visit_assignment): Same.
789 (copy_prop_visit_stmt): Same.
790 (init_copy_prop): Same.
791 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
792 (forward_propagate_into_cond_1): Same.
793 (find_equivalent_equality_comparison): Same.
794 (tidy_after_forward_propagate_addr): Same.
795 (forward_propagate_addr_expr_1): Same.
796 (simplify_not_neg_expr): Same.
797 (simplify_switch_expr): Same.
798 * tree-ssa-dce.c (find_pdom): Same.
799 (mark_stmt_if_obviously_necessary): Same.
800 (NECESSARY): Adjust for new `common' layout.
802 * tree-vect-patterns.c (widened_name_p): Adjust for
804 (vect_recog_dot_prod_pattern): Same.
805 (vect_recog_widen_sum_pattern): Same.
806 (vect_pattern_recog_1): Same.
807 * tree-nested.c (init_tmp_var): Same.
808 (save_tmp_var): Same.
810 (convert_call_expr): Same.
811 (finalize_nesting_tree_1): Same.
812 * tree-ssa.c (verify_ssa): Same.
813 (delete_tree_ssa): Same.
814 * lambda-code.c (lbv_to_gcc_expression): Same.
815 (lle_to_gcc_expression): Same.
816 (lambda_loopnest_to_gcc_loopnest): Same.
817 (can_put_in_inner_loop): Same.
818 (can_convert_to_perfect_nest): Same.
819 (perfect_nestify): Same.
820 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
821 * tree-inline.c (copy_body_r): Same.
822 (setup_one_parameter): Same.
823 (initialize_inlined_parameters): Same.
824 (estimate_num_insns_1): Same.
825 (expand_call_inline): Same.
826 (gimple_expand_calls_inline): Same.
828 * tree-optimize.c (execute_free_cfg_annotations): Same.
829 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
830 (vect_align_data_ref): Same.
831 (vect_create_data_ref_ptr): Same.
832 (vect_init_vector): Same.
833 (vect_create_epilog_for_reduction): Same.
834 (vectorizable_reduction): Same.
835 (vectorizable_assignment): Same.
836 (vectorizable_operation): Same.
837 (vectorizable_store): Same.
838 (vectorizable_load): Same.
839 (vectorizable_live_operation): Same.
840 (vectorizable_condition): Same.
841 (vect_generate_tmps_on_preheader): Same.
842 (vect_create_cond_for_align_checks): Same.
843 * tree-object-size.c (collect_object_sizes_for): Same.
844 (check_for_plus_in_loops_1): Same.
845 (check_for_plus_in_loops): Same.
846 * tree-outof-ssa.c (insert_copy_on_edge): Same.
847 (replace_use_variable): Same.
848 (check_replaceable): Same.
849 (rewrite_trees): Same.
850 (identical_copies_p): Same.
851 (insert_backedge_copies): Same.
852 * tree-profile.c (tree_gen_edge_profiler): Same.
853 * tree-vect-generic.c (expand_vector_operations_1): Same.
854 * tree-ssa-structalias.c (update_alias_info): Same.
855 (find_func_aliases): Same.
856 * tree-cfg.c (factor_computed_gotos): Same.
858 (make_goto_expr_edges): Same.
859 (tree_merge_blocks): Same.
860 (remove_useless_stmts_cond): Same.
861 (remove_useless_stmts_1): Same.
862 (tree_find_edge_insert_loc): Same.
864 (gimplify_val): Same.
865 (verify_gimple_tuples_1): New.
866 (verify_gimple_tuples): New.
867 (verify_stmts): Call verify_gimple_tuples.
868 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
869 (get_unary_op): Same.
870 (linearize_expr): Same.
871 (get_single_immediate_use): Same.
872 (negate_value): Same.
873 (should_break_up_subtract): Same.
874 (break_up_subtract): Same.
875 (repropagate_negates): Same.
876 (break_up_subtract_bb): Same.
877 (reassociate_bb): Same.
878 * config/i386/i386.c (ix86_va_start): Same.
879 (ix86_gimplify_va_arg): Same.
880 * stmt.c (expand_expr_stmt): Same.
881 (warn_if_unused_value): Same.
882 (expand_return): Same.
883 * tree-ssanames.c (make_ssa_name): Same.
884 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
885 * tree-ssa-operands.c (finalize_ssa_defs): Same.
886 (add_virtual_operand): Same.
887 (get_expr_operands): Same.
888 (parse_ssa_operands): Same.
889 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
891 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
893 * config.host: Remove extra blank line.
895 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
897 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
898 target is also an x86 variant.
900 2006-12-05 Richard Guenther <rguenther@suse.de>
902 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
903 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
904 (ix86_builtin_vectorized_function): New function to vectorize
907 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
909 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
910 ia64_override_options.
912 2006-12-04 Jan Hubicka <jh@suse.cz>
914 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
917 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
919 * rtlanal.c (note_uses): Deal with SEQUENCEs.
920 * config/bfin/bfin.c: Include "timevar.h".
921 (bfin_flag_schedule_insns2, splitting_for_sched,
922 bfin_flag_var_tracking): New variables.
923 (print_operand): Handle '%!'.
924 (override_options): Disable normal sched2 pass, instead set
925 bfin_flag_schedule_insns2 for reorg to handle it.
926 (output_file_start): Likewise for var-tracking.
927 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
928 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
930 (bfin_reorg): Do second scheduling pass here, and call
931 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
932 of examining insns directly. If bfin_flag_var_tracking, call
933 var-tracking pass when done with everything else.
934 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
935 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
936 (movsi_insn32): New pattern, with two new splits to create it
937 before the final scheduling pass.
938 (neghi2): Not a dsp32 insn, rather alu0.
939 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
940 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
941 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
942 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
943 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
944 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
945 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
946 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
947 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
948 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
949 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
950 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
951 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
952 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
953 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
954 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
955 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
956 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
957 variants instead of ';'.
958 (ror_one, rol_one): Likewise. Make them dsp32 insns.
959 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
960 (align8, align16, align24): Now named patterns; also using '%!'.
963 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
965 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
966 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
968 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
970 * config/spu/spu-protos.c (spu_split_address): Add.
971 * config/spu/spu.c (spu_split_address): Add.
972 (print_operand): Handle HIGH.
973 (spu_legitimate_address): Don't test for aligned CONST.
974 (spu_expand_mov): Don't split addresses here.
975 * config/spu/constraints.md (A): Don't test legitimate_const.
976 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
977 (ceq_di): Use correct predicates.
979 2006-12-04 Eric Christopher <echristo@apple.com>
981 * config/darwin.h: Update copyright notice.
982 * config/i386/darwin.h: Ditto.
984 2006-12-04 Jan Hubicka <jh@suse.cz>
986 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
987 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
989 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
991 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
993 * tree-ssa-structalias.c (set_used_smts): Export.
994 (find_what_p_points_to): Don't call set_used_smts here.
995 * tree-ssa-structalias.h (set_used_smts): Add prototype.
997 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
999 * tree-ssa-alias.c (compute_may_aliases):
1000 Compute flow sensitive before flow insensitive.
1001 (compute_flow_sensitive_aliasing): Don't try to add
1002 a symbol memory tag to itself.
1004 * alias.h (alias_set_subset_of): New prototype.
1006 * alias.c (alias_set_subset_of): New function.
1008 * tree-ssa-structalias.c: Update comments.
1009 (struct variable_info): Add finished_solution.
1010 (new_varinfo): Set finished solution to NULL.
1011 (var_escaped_vars): Remove.
1012 (escaped_vars_tree): Remove.
1013 (escaped_vars_id): Remove.
1014 (nonlocal_vars_id): Remove.
1015 (constraint_expr_type): Add INCLUDES.
1016 (graph_size): Removed.
1017 (dump_constraint): Support INCLUDES.
1018 (build_constraint_graph): Ditto.
1019 (collapse_nodes): Add merge_solutions argument.
1020 Don't merge attributes.
1021 (process_unification_queue): Just use collapse_nodes.
1022 (perform_var_substitution): Update call to collapse_nodes.
1023 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1024 (process_constraint): Fix non-field sensitive handling
1026 (get_constraint_for): Use INCLUDES.
1027 (make_constraint_from_anything): Renamed from
1028 make_constraint_from_escaped.
1029 (make_constraint_to_escaped): Removed.
1030 (find_global_initializers): Removed.
1031 (create_variable_info_for): Do not make constraints to escaped
1033 (dump_solution_for_var): Don't print out the equivalent points-to
1034 sets, just use the name of the variable it shares it with.
1035 (intra_create_variable_infos): Use INCLUDES.
1036 Change nonlocal variable sets to anything sets.
1037 (init_base_vars): Remove escaped_vars and nonlocal_var
1039 (find_escape_constraints): Removed.
1040 (delete_points_to_sets): Remove dead code.
1041 (used_smt_calculated): New variable.
1042 (set_used_smts): New function.
1043 (merge_smts_into): New function.
1044 (find_what_p_points_to): Modify to use SMTs.
1045 (create_nonlocal_var): Remove.
1047 * tree-ssa-operands.c (access_can_touch_variable): Remove
1048 reference to nonlocal_all.
1050 * tree-ssa.c (verify_name_tags): Remove.
1052 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1054 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1055 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1057 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1059 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1060 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1061 (add_livein_if_notdef): Delete.
1062 (loe_visit_block): New. Propogate live on entry info for a block into
1063 each predecessor. If it changes, make sure it is visited again.
1064 (live_worklist): Visit every block and update the live on entry info
1065 for preds. Iterate over any that changed.
1066 (set_var_live_on_entry): Populate the live on entry blocks with bits
1067 based on the immediate uses of a var.
1068 (calculate_live_on_entry): Remove.
1069 (calculate_live_on_exit): Calculate live on exit based on the newly
1070 oriented live on entry bits.
1071 (calculate_live_ranges): Build live on entry and exit vectors.
1072 (dump_live_info): Use new orientation of live on entry bitmaps.
1073 (verify_live_on_entry): New. Split out verification code from old
1074 calculate_live_on_entry routine.
1075 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1076 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1077 basic_block instead of for a partition.
1078 (live_merge_and_clear): Add asserts.
1079 (make_live_on_entry): Set partition bit in basic block vector.
1081 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1084 * omp-low.c (expand_omp_for_static_nochunk,
1085 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1089 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1090 parallels if region->exit or region->inner->exit is NULL.
1091 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1093 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1094 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1095 or region->exit is NULL.
1096 (expand_omp_sections): Handle NULL region->cond or region->exit.
1099 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1101 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1102 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1104 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1106 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1107 TYPE_MAX_VALUE for scalar types here but...
1108 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1109 is attached an error mark, and the return value of the callback
1110 if it is not NULL_TREE.
1112 2006-12-04 Ben Elliston <bje@au.ibm.com>
1114 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1116 2006-12-03 Eric Christopher <echristo@apple.com>
1119 * config/t-slibgcc-darwin: Pass -install_name.
1120 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1121 libtool. Only pass through options that the linker recognizes.
1122 (LINK_SPEC): Update comment. Translate options.
1123 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1124 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1126 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1128 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1130 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1133 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1134 operands[1] in insn constraint. Correct type attribute to sselog1.
1136 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1139 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1141 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1142 processor detection.
1144 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1145 -march=native if there is no -mtune=*.
1147 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1150 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1152 * doc/install.texi: Update recommended MPFR version. Remove
1153 obsolete reference to cumulative patch.
1155 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1158 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1160 2006-11-30 Jan Hubicka <jh@suse.cz>
1161 Uros Bizjak <ubizjak@gmail.com>
1163 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1164 32bit memcpy/memset decriptors.
1165 (decide_alg): With -minline-all-stringops and sizes that are best
1166 to be copied via libcall still work hard enough to pick non-libcall
1169 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1171 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1173 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1174 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1175 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1176 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1177 config/spu/spu-c.c, config/spu/spu-modes.def,
1178 config/spu/spu.c, config/spu/spu.md,
1179 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1180 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1181 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1182 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1183 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1184 spelling conventions.
1186 * config/i386/i386.c: Fix a comment typo.
1188 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1190 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1191 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1192 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1193 better optimization.
1194 (floatv4siv4sf2): New.
1195 (fix_truncv4sfv4si2): New.
1196 (floatunsv4siv4sf2): New.
1197 (fixuns_truncv4sfv4si2): New.
1205 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1206 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1207 spu_resolve_overloaded_builtin instead of static inline functions.
1209 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1211 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1212 type instead of the size of its mode to compute the highest and
1213 lowest possible values. Still check the size of the mode before
1214 flipping the signedness of the comparison.
1216 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1218 * config/spu/predicates.md (spu_mov_operand): Add.
1219 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1220 (print_operand_address, print_operand): Handle addresses containing AND.
1221 (spu_split_load, spu_split_store): Use updated movti pattern.
1222 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1223 stores in mov patterns for correct operation of reload.
1224 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1226 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1229 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1231 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1233 * common.opt (ftree-combine-temps): Remove.
1234 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1235 (coalesce_ssa_name): Don't check for combine-temps.
1236 (coalesce_vars): Remove.
1237 (check_replaceable): Use num_imm_uses.
1238 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1239 check for combine-temps.
1240 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1241 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1242 to register_ssa_partition calls.
1243 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1244 (init_var_map, delete_var_map): remove refernces to ref_count.
1245 (create_ssa_var_map): Never calculate a ref count.
1246 (type_var_init): Remove.
1247 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1248 (SSA_VAR_MAP_REF_COUNT): Delete.
1249 (create_ssa_var_map): Change Prototype to have no parameters.
1250 (version_ref_count): Delete.
1251 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1253 (type_var_num, type_var, type_var_first_partition,
1254 type_var_next_partition, type_var_dump, type_var_delete,
1255 type_var_remove_partition, type_var_find, type_var_compact,
1256 type_var_decompact): Remove.
1258 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1260 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1263 2006-12-01 Richard Guenther <rguenther@suse.de>
1266 * dwarf2out.c (struct pubname_struct): Make name const.
1267 (add_pubtype): Do not xstrdup identifiers.
1269 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1271 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1272 multiword accesses are in range.
1274 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1276 PR tree-optimization/29921
1277 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1278 (set_lattice_value): Use canonicalize_float_value.
1280 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1282 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1283 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1284 (spu_cpu_cpp_builtins): Remove.
1285 (spu_override_options): Don't set warn_main.
1286 (spu_force_reg): Move from spu-c.c.
1287 (spu_check_builtin_parm): Likewise.
1288 (expand_builtin_args): Likewise.
1289 (spu_expand_builtin_1): Likewise.
1290 (spu_expand_builtin): Likewise.
1291 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1292 warn_main and targetm.resolve_overloaded_builtin.
1293 * config/spu/spu-c.c (spu_builtin_range): Remove.
1294 (spu_check_builtin_parm): Remove.
1295 (expand_builtin_args): Remove.
1296 (spu_expand_builtin_1): Remove.
1297 (spu_expand_builtin): Remove.
1298 (spu_cpu_cpp_builtins): Moved from spu.c
1299 (spu_force_reg): Remove.
1301 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1302 David Edelsohn <edelsohn@gnu.org>
1305 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1306 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1307 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1308 HARD_REGNO_NREGS_WITH_PADDING): Define.
1309 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1310 HARD_REGNO_NREGS_WITH_PADDING): Define.
1311 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1312 Use new macros to detect modes with holes; do not look at integer
1314 (subreg_offset_representable_p): Check for and disallow cases
1315 where the modes use different numbers of bits from registers.
1316 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1317 constant for soft-float.
1318 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1320 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1321 in E500 double case.
1322 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1323 (movtf_softfloat): New.
1325 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1327 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1328 simplify_gen_subreg.
1330 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1332 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1333 (COALESCE_HASH_FN): New. Define hash function.
1334 (partition_pair_map_hash): New. Hash value for a partition pair.
1335 (partition_pair_map_eq): New. Equality for hash pairs.
1336 (create_coalesce_list): Create hash table.
1337 (delete_coalesce_list): Free hash table.
1338 (find_partition_pair): Find/create pairs in hash table.
1339 (compare_pairs): Sort pairs in ascending order now.
1340 (num_coalesce_pairs): New. Number of pairs in hash table.
1341 (struct partition_pair_iterator): Iterator struct for pair table.
1342 (first_partition_pair): Iterator function for first pair.
1343 (end_partition_pair_p): Iterator function for end of iteration.
1344 (next_partition_pair): Iterator function for next pair.
1345 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1346 (sort_coalesce_list): Sort pairs from hash table into an array.
1347 (pop_best_coalesce): Take pairs from the array.
1348 (dump_coalesce_list): Update to use hash table or sorted array.
1349 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1350 (struct coalesce_list_d): Add hash table related fields.
1352 2006-11-30 Jan Hubicka <jh@suse.cz>
1355 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1356 memmove/bcopy->memcpy conversion.
1358 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1360 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1361 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1362 Default is the largest alignment supported for 32-bit ELF and
1363 representable on a 32-bit host.
1365 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1367 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1369 2006-11-30 Jan Hubicka <jh@suse.cz>
1371 * tree-ssa-operands.h (struct ssa_operands): New.
1372 * tree-flow-inline.h (gimple_ssa_operands): New function.
1373 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1374 * Makefile.in: Remove gt-tree-ssa-operands.h
1375 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1376 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1377 operand_memory, operand_memory_index, ops_active): Remove statics.
1378 (ALLOC_OPTYPE): Update.
1379 (operand_build_sort_virtual): Update.
1380 (ssa_operands_active): Update.
1381 (init_ssa_operands): Update.
1382 (fini_ssa_operands): Update.
1383 (ssa_operand_alloc): Update.
1384 (INITIALIZE_USE): Update.
1385 (finalize_ssa_use_ops): Update.
1386 (finalize_ssa_v_may_def_ops): Update.
1387 (finalize_ssa_vuse_ops): Update.
1388 (finalize_ssa_v_must_def_ops): Update.
1390 2006-11-30 Richard Guenther <rguenther@suse.de>
1392 * tree-vectorizer.h (vectorizable_function): Export.
1393 * tree-vect-transform.c (vectorizable_function): Likewise.
1394 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1395 type_in to scalar type in recognition of squaring.
1396 Make sure the target can vectorize sqrt in recognition
1397 of sqrt, set type_in to vector type in this case.
1399 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1401 * config/i386/i386.md (R10_REG): New constant.
1402 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1403 (ix86_emit_restore_regs_using_mov): Ditto.
1404 (ix86_expand_call): Ditto.
1405 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1407 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1409 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1410 * alias.c (canon_true_dependence): Update comment.
1412 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1414 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1415 at the end of a diagnostics message.
1417 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1418 until after asserting that it was allocated in the right pool.
1420 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1421 successor edge information as well. Make output of live regs
1422 on exit consistent with live regs on entry.
1424 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1427 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1428 insn patterns for TARGET_80387.
1429 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1430 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1431 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1432 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1433 Generate truncxf<mode>2 insn patterns for strict SSE math.
1435 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1437 * config/i386/i386.md (movsf_1): Enable pattern for standard
1438 80387 constants before reload when optimizing for size.
1439 (*movdf_nointeger, *movdf_integer): Ditto.
1440 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1441 80387 constants before reload when not optimizing for size.
1443 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1444 extension of XFmode input operands.
1446 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1448 * config/spu/crt0.c (__dso_handle): Define.
1450 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1452 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1453 when clearing the used flags.
1455 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1457 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1459 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1462 * config/spu/spu.md (extend_compare<mode>): New pattern.
1463 (extend_compare): Change to expand and use the above pattern.
1465 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1467 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1469 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1470 (DFP_INIT_ROUNDMODE): Define.
1471 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1472 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1474 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1476 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1477 Update documentation.
1478 (associate_line_notes_with_blocks): Kill.
1479 (extend_bb): Remove basic block argument, put void instead.
1480 Remove line number handling for each bb.
1481 (save_line_notes): Kill.
1482 (restore_line_notes): Kill.
1483 (sched_init): Remove line_note_head initialization.
1484 Change extend_bb call.
1485 (sched_finish): Remove free of line_note_head.
1486 (add_block): Change extend_bb call.
1487 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1488 rm_line_notes and restore_line_notes calls.
1489 (schedule_ebbs): Remove rm_redundant_line_notes.
1490 * sched-int.h (struct haifa_insn_data): Remove line_note.
1491 (save_line_notes): Remove declaration.
1492 (restore_line_notes): Remove declaration.
1493 * modulo-sched.c (loop_canon_p): Update debug info printing
1494 by using insn locators instead of line note.
1495 (sms_schedule): Update debug info printing, by using insn
1496 locators instead of line note.
1497 * sched-rgn.c (debug_dependencies): Remove handling of case
1498 n>0 (line number), since it's a dead code.
1499 (schedule_region): Remove save_line_notes and
1500 restore_line_notes calls.
1502 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1504 * config/rs6000/predicates.md (gpc_reg_operand): Check
1505 invalid_e500_subreg.
1506 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1507 SImode subregs of SPE vectors.
1508 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1509 * jump.c (true_regnum): Require subregs to satisfy
1510 subreg_offset_representable_p.
1512 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1513 Steven Bosscher <stevenb.gcc@gmail.com>
1515 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1516 since it no longer exists.
1518 2006-11-29 Duncan Sands <baldrick@free.fr>
1520 PR tree-optimization/23744
1521 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1523 2006-11-29 Duncan Sands <baldrick@free.fr>
1525 PR tree-optimization/23744
1526 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1528 2006-11-29 Duncan Sands <baldrick@free.fr>
1530 PR tree-optimization/23744
1531 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1533 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1535 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1537 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1539 * sh.opt (minline-ic_invalidate): New option.
1540 (musermode): Adjust comment.
1541 * sh.c (sh_initialize_trampoline): Emit library call unless
1542 is set; if it is set, don't emit library call if we can use icbi
1544 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1545 icbi for TARGET_SH4_300.
1546 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1547 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1548 -musermode documentation.
1550 2006-11-29 Jim Tison <jtison@us.ibm.com>
1552 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1553 __gthread_recursive_mutex_init): Define.
1555 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1557 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
1558 STRICT_ALIGNMENT and the type is more aligned than the saved
1559 registers, copy via a temporary.
1561 2006-11-28 Andrew Pinski <pinskia@gmail.com>
1564 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
1567 2006-11-28 Bob Wilson <bob.wilson@acm.org>
1569 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
1571 2006-11-28 Jan Hubicka <jh@suse.cz>
1573 Privatize SSA variables into gimple_df.
1574 * tree-flow-inline.h
1575 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
1576 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
1577 gimple_nonlocal_all): New accessors.
1578 (first_referenced_var): Update.
1579 (mark_stmt_modified): Update.
1580 (is_call_clobbered): Update.
1581 (mark_call_clobbered): Update.
1582 (clear_call_clobbered): Update.
1583 (mark_non_addressable): Update.
1584 * tree-vrp.c (get_value_range): Update.
1585 * tree-into-ssa.c (in_ssa_p): Kill.
1586 (get_default_def_for): Update.
1587 (rewrite_into_ssa): Update.
1588 * tree-complex.c (init_parameter_lattice_values): Update.
1589 (update_complex_assignment): Update.
1590 (update_parameter_components): Update.
1591 (expand_complex_libcall): Update.
1592 (expand_complex_operations_1): Update.
1593 * tree-tailcall.c (arg_needs_copy_p): Update.
1594 (add_virtual_phis): Update.
1595 (tree_optimize_tail_calls_1): Update.
1596 * tree-ssa-dse.c (memory_ssa_name_same): Update.
1597 * tree-ssa-copyrename.c
1598 (copy_rename_partition_coalesce): Update.
1599 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
1600 * tree-ssa-propagate.c (set_rhs): Update.
1601 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
1602 addressable_vars, global_var):Kill.
1603 (set_initial_properties): Update.
1604 (init_alias_info): Update.
1605 (finalize_ref_all_pointers): Update.
1606 (setup_pointers_and_addressables): Update.
1607 (maybe_create_global_var): Update.
1608 (create_global_var): Update.
1609 (dump_points_to_info): Update.
1610 * function.h (struct gimple_df): Forward declare.
1611 (struct function): Add GIMPLE_DF field.
1612 * gimplify.c (force_gimple_operand): Update.
1613 * tree-dfa.c (referenced_vars, default_defs): KIll.
1614 (make_rename_temp): Update.
1615 (dump_variable): Update.
1616 (referenced_var_lookup): Update.
1617 (referenced_var_check_and_insert): Update.
1618 (default_def): Rename to ...
1619 (gimple_default_def): ... this one; accept cfun argument.
1620 (set_default_def): Update.
1621 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
1622 (cleanup_control_flow): Update.
1623 * tree-ssa-pre.c (compute_avail): Update
1624 * tree-ssa-live.c (calculate_live_on_entry): Update.
1625 * tree-ssa.c (verify_use): Update.
1626 (verify_call_clobbering): Update.
1627 (verify_call_clobbering): Update.
1628 (init_tree_ssa): Update.
1629 (delete_tree_ssa): Update.
1630 * tree-outof-ssa.c (coalesce_ssa_name): Update.
1631 (rewrite_out_of_ssa): Update.
1632 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
1633 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
1635 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
1636 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
1637 addressable_vars, aliases_computed_p): Kill.
1638 (default_def): Rename to...
1639 (gimple_default_def): ... this one.
1640 (defaule_def_fn): Kill.
1641 (num_referenced_vars, ssa_names, num_ssa_names): Update.
1642 * tree-ssa-structalias.c (nonlocal_all): Kill.
1643 (get_constraint_exp_from_ssa_var): Update.
1644 (create_nonlocal_var): Update.
1645 (get_constraint_for): Update.
1646 (update_alias_info): Update.
1647 (find_global_initializers): Update.
1648 (intra_create_variable_infos): Update.
1649 (intra_create_variable_infos):
1650 (find_what_p_points_to): Update.
1651 (init_alias_heapvars): Update.
1652 * tree-cfg.c (remove_bb): Update.
1653 (gimplify_val): Update.
1654 * tree-ssa-reassoc.c (get_rank): Update.
1655 (init_reassoc): Update.
1656 * tree-ssanames.c: Do not include gt-tree-ssanames.h
1657 (ssa_names, free_ssanames): Kill.
1658 (init_ssanames): Update.
1659 (make_ssa_name): Update.
1660 (release_ssa_name): Update.
1661 (release_defs): Update.
1662 (replace_ssa_name_symbol): Update.
1663 * tree-ssa-operands.c (access_can_touch_variable): Update.
1664 (add_virtual_operand): Update.
1665 (add_call_clobber_ops): Update.
1666 (add_call_read_ops): Update.
1667 (get_call_expr_operands): Update.
1668 (get_asm_expr_operands): Update.
1670 2006-11-28 Jan Hubicka <jh@suse.cz>
1672 * builtins.c: Include tree-flow.h.
1673 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
1674 assignment; convert memmove to memcpy for sizes greater than 1 where
1675 alignment of operands prohibit the partial overlap.
1677 2006-11-28 Jan Hubicka <jh@suse.cz>
1679 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
1680 * cgraph.c (dump_cgraph_node): Dump stack usage.
1681 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
1682 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
1683 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
1684 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
1685 (cgraph_check_inline_limits): Limit stack growth.
1686 * cfgexpand.c: Include tree-inline.h.
1687 (account_stack_vars): New function.
1688 (expand_one_var): New param to just account the stack; return estimated
1690 (expand_used_vars_for_block): Update call of expand_one_var.
1691 (account_used_vars_for_block): New function.
1692 (estimated_stack_frame_size): Likewise.
1693 (init_vars_expansion, fini_vars_expansion): Break out from..
1694 (expand_used_vars): ... here.
1695 * tree-inline.h (estimated_stack_frame_size): Declare.
1696 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
1698 2006-11-28 Richard Guenther <rguenther@suse.de>
1700 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
1701 unsigned long for printing OBJECT_SIZE.
1703 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
1705 * alias.c (init_alias_analysis): Remove simplification loop
1706 after propagating pointers.
1708 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1710 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
1713 2006-11-27 Bob Wilson <bob.wilson@acm.org>
1715 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
1717 2006-11-27 Roger Sayle <roger@eyesopen.com>
1718 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1720 * c-common.c (constant_fits_type_p): Delete.
1721 (unsigned_conversion_warning): Delete.
1722 (conversion_warning): Integrate Wconversion warning from
1723 unsigned_conversion_warning.
1724 (convert_and_check): Integrate Woverflow warning from
1725 unsigned_conversion_warning. Reorganize and simplify to avoid
1726 dependence upon the middle-end setting TREE_OVERFLOW on integral
1727 conversions, by using int_fits_type_p directly.
1729 2006-11-27 Tobias Burnus <burnus@net-b.de>
1731 * doc/invoke.texi: Fixed typo.
1733 2006-11-27 Michael Matz <matz@suse.de>
1734 Andreas Krebbel <krebbel1@de.ibm.com>
1737 * config/s390/predicates.md (larl_operand): Check addend of larl
1738 operand to be in range of -/+2GB.
1739 * config/s390/s390.c (legitimize_pic_address): Likewise.
1740 Changed type of variable even to HOST_WIDE_INT.
1742 2006-11-27 Jan Hubicka <jh@suse.cz>
1744 * expr.c (emit_block_move_via_libcall): Export.
1745 (clear_storage_via_libcall): Rename to ...
1746 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
1747 (clear_storage): Update to set_storage_via_libcall.
1748 * expr.h (emit_block_move_via_libcall): Declare
1749 * config/i386/i386.h (stringop_alg): New enum.
1750 (MAX_STRINGOP_ALGS): New constant.
1751 (stringop_algs): New struct.
1752 (processor_costs): Add memcpy/memset descriptors.
1753 (TARGET_REP_MOVEL_OPTIMAL): Remove.
1754 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
1755 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
1757 * config/i386/i386.opt (minline-stringops-dynamically,
1758 mstringop-strategy): New
1760 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
1761 (ix86_expand-clrmem): Rename to ...
1762 (ix86_expand_setmem): ... this one; update prototype.
1763 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
1764 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1765 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
1766 nocona_cost, core2_cost, generic_cost, generic64_cost,
1767 generic32_cost): Add memcpy/memset descriptors.
1768 (x86_rep_movl_optimal): Remove.
1769 (stringop_alg): New static variable.
1770 (ix86_expand_aligntest): Handle predictions.
1771 (override_options): Add strgop_alg handling.
1772 (predict_jump): New function.
1773 (scale_counter): New function.
1774 (expand_set_or_movmem_via_loop): New function.
1775 (expand_movmem_via_rep_mov): New function.
1776 (expand_setmem_via_rep_stots): New function.
1777 (emit_strmov): New function.
1778 (expand_movmem_epilogue): New function.
1779 (expand_setmem_epilogue_via_loop): New function.
1780 (expand_setmem_epilogue): New function.
1781 (expand_movmem_prologue): New function.
1782 (expand_setmem_prologue): New function.
1783 (decide_alg): New function.
1784 (decide_alignment): New function.
1785 (ix86_exand_movmem): Rewrite.
1786 (promote_duplicated_reg): New function.
1787 (ix86_expand_clrmem): Rename to ...
1788 (ix86_expand_setmem): ... this one. Rewrite.
1790 * invoke.texi (minline-stringops-dynamically): New command line option.
1791 (mstringop-strategy): Likewise.
1793 2006-11-27 Jan Hubicka <jh@suse.cz>
1795 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
1796 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
1797 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
1798 * insn-notes.def (FUNCTION_END): Remove.
1799 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
1800 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
1802 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
1803 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
1804 * cfglayout.c (duplicate_insn_chain): Don't worry about
1807 2006-11-27 Richard Guenther <rguenther@suse.de>
1808 Zdenek Dvorak <dvorakz@suse.cz>
1810 * target.h (struct gcc_target): Add builtin_vectorized_function
1812 * target-def.h (TARGET_VECTORIZE): Likewise.
1813 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1814 Document new target hook.
1815 * targhooks.h (default_builtin_vectorized_function): Declare.
1816 * targhooks.c (default_builtin_vectorized_function): Define.
1817 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
1818 (vectorizable_call): Declare.
1819 * tree-vect-analyze.c (vect_analyze_operations): Call
1821 * tree-vect-transform.c (vectorizable_function): New static function.
1822 (build_vectorized_function_call): Likewise.
1823 (vectorizable_call): New function.
1824 (vect_transform_stmt): Handle vectorizable calls.
1826 2006-11-27 Richard Guenther <rguenther@suse.de>
1829 * builtins.c (expand_builtin_pow): Optimize non integer valued
1830 constant exponents using sqrt or cbrt if possible. Always fall back
1831 to expanding via optabs.
1833 2006-11-27 Ira Rosen <irar@il.ibm.com>
1835 PR tree-optimization/22372
1836 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
1837 the type of the base address.
1838 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
1839 it in the data-ref pointer creation.
1840 (vect_init_vector): Add an argument, type of the init vector. Use it in
1842 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
1843 (get_initial_def_for_reduction): Likewise.
1844 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
1846 (vectorizable_assignment, vect_permute_store_chain): Likewise.
1847 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
1848 correct type in stmt creation.
1849 (vect_setup_realignment): Use the correct type in stmt creation.
1850 (vect_permute_load_chain): Change type of MODIFY_EXPR to
1852 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
1853 of MODIFY_EXPR to void_type_node.
1854 (vectorizable_condition): Change type of MODIFY_EXPR to
1856 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
1859 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
1862 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1863 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1864 standard 80387 constants, raise the cost to prevent
1865 compress_float_constant() to generate load from memory.
1867 * config/i386/i386.md: Add new splitter pattern to split
1868 float_extended load of constant from constant pool into
1871 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1873 * doc/install.texi: Move GMP/MPFR configure options from Fortran
1874 section to general section. Remove documentation for
1875 --with-mpfr-dir and --with-gmp-dir, add documentation for
1876 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
1879 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
1881 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1883 * testsuite/gcc.dg/ipa/ipa-6.c: New.
1885 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
1887 PR tree-optimization/29122
1888 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
1889 for the new version. Assign NULL to DECL_RTL of the new version.
1891 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1893 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
1895 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1897 * cse.c (cse_altered): Remove.
1898 (record_jump_equiv): Make true/false argument a bool instead
1900 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
1901 where appropriate. Emit a new jump before the existing one
1902 instead of after so that delete_insn_and_edges removes the
1903 dead edges properly. Check any_condjump_p before calling
1905 (cse_basic_block): Check any_condjump_p before calling
1907 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
1909 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
1911 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
1912 -ffixed-line-length-* options.
1914 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
1916 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
1917 (fprem1xf4): Rename to fprem1xf4_i387.
1919 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
1920 Rename patterns to fmod<mode>3. Use general_operand operand
1921 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
1922 patterns for SSE math.
1923 (remaindersf3, remainderdf3): Ditto.
1925 2006-11-25 Joseph Myers <joseph@codesourcery.com>
1927 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
1928 inside start_sequence / end_sequence pair.
1930 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
1932 * jump.c (mark_all_labels): Work in cfglayout mode.
1933 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
1934 when in cfglayout mode, because there are no dead jumptables
1936 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
1938 (commit_edge_insertions): Do not allow insertion of instructions
1939 with control flow insns when in cfglayout mode.
1941 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
1943 * tree-vrp.c (execute_vrp): Do not pass loops structure through
1945 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
1946 unswitch_loop): Ditto.
1947 * tree-loop-linear.c (linear_transform_loops): Ditto.
1948 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
1949 tree_ssa_lim): Ditto.
1950 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1951 free_numbers_of_iterations_estimates): Ditto.
1952 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
1953 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
1954 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
1955 remove_path, add_loop, loopify, unloop, fix_loop_placements,
1956 place_new_loop, duplicate_loop, duplicate_subloops,
1957 update_single_exit_for_duplicated_loops, copy_loops_to,
1958 duplicate_loop_to_header_edge, create_preheaders,
1959 force_single_succ_latches, loop_version, fix_loop_structure):
1961 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
1962 tree_unroll_loop): Ditto.
1963 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1964 * tree-scalar-evolution.c (select_loops_exit_conditions,
1965 scev_initialize, scev_analysis): Ditto.
1966 * tree-scalar-evolution.h (scev_initialize): Ditto.
1967 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1968 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1969 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1970 * modulo-sched.c (sms_schedule): Ditto.
1971 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1972 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1973 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1974 * ifcvt.c (if_convert): Ditto.
1975 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1976 canonicalize_loop_induction_variables,
1977 canonicalize_induction_variables,
1978 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1979 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1980 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1981 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1982 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1983 tree_ssa_loop_done): Ditto.
1984 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1985 estimate_bb_frequencies): Ditto.
1986 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1987 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1988 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1989 decide_unrolling_and_peeling, peel_loop_completely,
1990 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1991 peel_loop_simple, unroll_loop_stupid): Ditto.
1992 * loop-doloop.c (doloop_optimize_loops): Ditto.
1993 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1994 * loop-invariant.c (move_loop_invariants): Ditto.
1995 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1996 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1997 tree_ssa_prefetch_arrays): Ditto.
1998 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2000 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2001 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2002 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2003 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2004 verify_loop_structure): Ditto.
2005 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2006 canonicalize_induction_variables, tree_unroll_loops_completely,
2007 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2008 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2009 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2010 tree_unroll_loop, linear_transform_loops): Declaration changed.
2011 * basic-block.h: Remove declaration of struct loops.
2012 * cfghooks.h (struct cfg_hooks): Change type of
2013 cfg_hook_duplicate_loop_to_header_edge.
2014 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2015 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2016 vect_transform_loop): Declaration changed.
2017 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2018 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2019 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2020 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2021 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2022 loopify, loop_version, remove_path, unswitch_loops,
2023 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2024 Declaration changed.
2026 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2028 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2029 (X87MODEF): New mode macro.
2030 (ssemodefsuffix): New mode attribute.
2031 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2032 (sqrt_extend<mode>xf2_i387): New insn pattern.
2033 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2034 insn and truncate result back to original mode using
2035 UNSPEC_TRUNC_NOOP truncation.
2036 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2037 ssemodefsuffix mode attribute.
2038 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2039 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2040 (*sqrtextenddfxf2_i387): Remove insn patterns.
2042 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2043 truncation patterns.
2045 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2047 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2050 * c-tree.h (c_maybe_initialize_eh): New prototype.
2051 * c-decl.c (finish_decl): Move EH initialization...
2052 (c_maybe_initialize_eh): ... here. New function.
2053 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2054 if not #pragma omp atomic.
2057 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2058 or UNION_TYPE inner types.
2060 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2063 * ipa-pure-const.c (check_tree): If the original tree
2064 is volatile return early and say the function is not pure
2065 nor const. Remove the volatile check for writes.
2066 (analyze_function): Print out the result of the local
2069 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2071 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2073 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2074 * config/rs6000/rs6000.c (rs6000_override_options): Use
2075 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2078 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2080 * config/s390.c (s390_emit_compare_and_swap): New function.
2081 (s390_expand_cs_hqi, s390_expand_atomic): Call
2082 s390_emit_compare_and_swap.
2084 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2086 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2088 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2092 * c-common.c (conversion_warning): New.
2093 (convert_and_check): Call conversion_warning unless there is an
2095 * doc/invoke.texi (-Wconversion): Update description.
2097 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2099 * tree-ssa-alias.c (tree_pointer_compare): New function.
2100 (compact_name_tags): New function.
2101 (group_aliases): Call compact_name_tags.
2103 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2105 * real.h (real_isinteger): Declare.
2106 * real.c (real_isinteger): Define.
2107 * builtins.c (integer_valued_real_p): Use it.
2109 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2112 * c.opt (Wtraditional-conversion): New.
2113 (Wconversion): Update description.
2114 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2115 type conversions different from what would happen in the absence
2116 of prototype are now handled by Wtraditional-conversion.
2117 * doc/invoke.texi (Wtraditional-conversion): New.
2118 (Wconversion): Update description.
2119 * doc/trouble.texi (Wconversion): Replace Wconversion by
2120 Wtraditional-conversion.
2122 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2124 * predict.c (tree_estimate_probability): Check to make
2125 sure current_loops is non null before calling flow_loops_dump.
2127 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2129 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2131 2006-11-23 David Ung <davidu@mips.com>
2133 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2135 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2136 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2137 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2138 high part of FP register when in 64-bit FP register mode. Similarly
2139 use gen_mfhc1 to load high part of FP register.
2140 (override_options): Allow -mgp32 and -mfp64 combination if
2141 ISA_HAS_MXHC1 (currently for O32 only).
2142 (mips_cannot_change_mode_class): If floating-point registers are
2143 bigger than word size. disallow conversion of float register from a
2144 large integer mode to a float mode smaller than the float register
2146 (mips_class_max_nregs): Handle float registers case seperately.
2147 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2149 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2150 (movdf_hardfloat_32bit): Similarly.
2151 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2152 support a full 64-bit fpu.
2153 (mthc1): New pattern to generate MTHC1 instruction.
2154 (mfhc1): New pattern to generate MFHC1 instruction.
2155 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2156 option for the MIPS32R2 and mention its use under O32 ABI.
2158 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2160 * var-tracking.c (emit_note_insn_var_location): Take care not to
2161 cause verify_flow_info failures.
2163 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2165 * tree-ssa-structalias.c: Remove edge weights in favor of just
2166 processing them as complex constraints.
2167 (struct constraint_graph): Remove weighted succs and preds. Rename
2168 nonweighted succs and preds.
2169 (constraint_edge): Removed.
2170 (constraint_edge_t): Ditto.
2171 (constraint_edge_pool): Ditto.
2172 (new_constraint_edge): Ditto.
2173 (constraint_edge_equal): Ditto.
2174 (constraint_edge_less): Ditto.
2175 (constraint_edge_vec_find): Ditto.
2176 (erase_self_graph_edge): Ditto.
2177 (add_graph_edge): Removed.
2178 (get_graph_weights): Ditto.
2179 (allocate_graph_weights): Ditto.
2180 (valid_weighted_graph_edge): Ditto
2181 (bitmap_other_than_zero_bit_set): Ditto.
2182 (int_add_graph_edge): Renamed to add_graph_edge.
2183 (clear_edges_for_node): Remove support for weighted edges.
2184 (merge_graph_nodes): Ditto.
2185 (valid_graph_edge): Ditto.
2186 (build_constraint_graph): Ditto.
2188 (collapse_nodes): Ditto.
2189 (process_unification_queue): Ditto.
2190 (topo_visit): Ditto.
2191 (do_ds_constraint): Ditto.
2192 (perform_var_subsitution): Ditto.
2193 (solve_graph): Ditto.
2194 (init_alias_vars): Ditto.
2195 (delete_points_to_sets): Ditto.
2196 (do_complex_constraint): Support offsetted copies here.
2198 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2200 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2202 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2204 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2207 2006-11-23 Ben Elliston <bje@au.ibm.com>
2209 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2211 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2213 PR tree-optimization/29921
2214 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2215 signed and unsigned zero equal.
2217 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2219 * config/rs6000/rs6000.c (get_store_dest): New.
2220 (adjacent_mem_locations): Use get_store_dest() to get
2221 the rtl of the store destination.
2223 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2225 * config/rs6000/spe.md (SPE64): New mode macro.
2226 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2228 (mov_si<mode>_e500_subreg0_2): New.
2229 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2231 (mov_si<mode>_e500_subreg4_2): New.
2232 * config/rs6000/predicates.md (input_operand): Do not allow
2233 invalid E500 subregs.
2234 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2236 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2237 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2238 involving vector modes if TARGET_SPE.
2240 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2243 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2244 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2246 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2248 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2249 mem_i_address_operand): New predicates.
2250 * config/bfin/bfin.c (bfin_issue_rate): New function.
2251 (TARGET_SCHED_ISSUE_RATE): New macro.
2252 * config/bfin/bfin.md (addrtype): New attribute.
2253 (slot0, slot1, slot2, store, pregs): New cpu_units.
2254 (core): Now a define_reservation.
2255 (alu): Remove some insn types from this reservation.
2256 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2258 (dummy reservation): Don't trigger for mcld insns.
2259 (absence_sets): Two new absence sets to enforce slot ordering.
2260 (popsi_insn): Set addrtype.
2262 2006-11-22 Ira Rosen <irar@il.ibm.com>
2264 * doc/c-tree.texi: Document new tree codes.
2265 * doc/md.texi: Document new optabs.
2266 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2268 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2269 * optabs.h (optab_index): Add new.
2270 (vec_extract_even_optab, vec_extract_odd_optab,
2271 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2272 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2273 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2275 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2276 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2277 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2278 along with macros for their access.
2279 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2281 * tree-vect-analyze.c (toplev.h): Include.
2282 (vect_determine_vectorization_factor): Fix indentation.
2283 (vect_insert_into_interleaving_chain,
2284 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2285 (vect_analyze_data_ref_dependence): Add argument for interleaving
2286 check. Check for interleaving if it's true.
2287 (vect_check_dependences): New function.
2288 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2289 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2290 (vect_update_misalignment_for_peel): Update for interleaving.
2291 (vect_verify_datarefs_alignment): Check only first data-ref for
2293 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2294 only first data-ref for interleaving.
2295 (vect_analyze_data_ref_access): Check interleaving, update
2297 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2298 with different parameters.
2299 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2300 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2301 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2302 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2303 Update step in case of interleaving.
2304 (vect_strided_store_supported, vect_permute_store_chain): New
2306 (vectorizable_store): Handle strided stores.
2307 (vect_strided_load_supported, vect_permute_load_chain,
2308 vect_transform_strided_load): New functions.
2309 (vectorizable_load): Handle strided loads.
2310 (vect_transform_stmt): Add argument. Handle strided stores. Check
2311 that vectorized stmt exists for patterns.
2312 (vect_gen_niters_for_prolog_loop): Update calculation for
2314 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2315 whole chain vectorization.
2316 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2317 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2318 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2319 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2320 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2322 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2324 * cse.c (enum taken): Remove PATH_AROUND.
2325 (addr_affects_sp_p, invalidate_skipped_set,
2326 invalidate_skipped_block): Remove.
2327 (cse_end_of_basic_block): Remove skip_blocks and related code.
2328 (cse_main): Don't test for flag_cse_skip_blocks.
2329 Update cse_end_of_basic_block call.
2330 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2331 code to lengthen the path if a jump was simplified.
2333 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2335 PR rtl-optimization/29924
2336 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2337 (unroll_loop_runtime_iterations): Assert that the argument passed to
2338 split_edge_and_insert is not NULL.
2339 * loop-doloop.c (add_test): Ditto.
2341 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2343 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2345 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2346 * cfgloopmanip.c (update_single_exits_after_duplication,
2347 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2348 * tree-scalar-evolution.c (get_loop_exit_condition,
2349 get_exit_conditions_rec, loop_closed_phi_def,
2350 number_of_iterations_in_loop, scev_const_prop): Ditto.
2351 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2352 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2354 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2356 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2357 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2358 slpeel_make_loop_iterate_ntimes,
2359 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2360 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2362 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2363 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2364 vect_analyze_loop_form): Ditto.
2365 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2366 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2367 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2368 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2369 vect_transform_loop): Ditto.
2370 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2371 (single_exit, set_single_exit): New functions.
2372 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2373 (single_exit, set_single_exit): Declare.
2374 * doc/loop.texi: Undocument single_exit field. Document single_exit
2377 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2379 PR tree-optimization/29902
2380 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2381 any involved ssa name appears in abnormal phi node.
2383 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2385 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2386 (xtensa_const_ok_for_letter_p): Delete.
2387 (xtensa_extra_constraint): Delete.
2388 (override_options): Delete xtensa_char_to_class initialization.
2389 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2390 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2391 (EXTRA_CONSTRAINT): Delete.
2392 * config/xtensa/xtensa.md: Include constraints.md.
2393 (call_internal): Combine alternatives.
2394 (call_value_internal): Likewise, and remove invalid constraints.
2395 * config/xtensa/constraints.md: New file.
2396 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2397 (xtensa_extra_constraint): Delete.
2398 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2401 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2403 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2404 of conversion that doesn't fit.
2406 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2407 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2408 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2410 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2412 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2414 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2416 2006-11-21 Richard Guenther <rguenther@suse.de>
2418 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2419 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2420 vect_recog_pow_pattern.
2421 (vect_recog_pow_pattern): New function.
2423 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2425 * config/bfin/bfin.opt (mstack-check-l1): New.
2426 * doc/invoke.texi (Blackfin Options): Document it.
2427 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2428 stack bounds in L1 memory if the new option is enabled.
2429 (override_options): Don't allow combinations of -fstack-limit and
2431 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2434 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2436 (bfin_register_move_cost): Bump costs if trying to move plain
2437 integer values through accumulators.
2439 2006-11-21 Ben Elliston <bje@au.ibm.com>
2441 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2443 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2444 Russell Olsen <Russell_Olsen@playstation.sony.com>
2445 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2446 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2447 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2448 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2449 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2451 * config.gcc: Add target for SPU.
2452 * config/spu/constraints.md: New file.
2453 * config/spu/crt0.c: New file.
2454 * config/spu/crtend.c: New file.
2455 * config/spu/crti.asm: New file.
2456 * config/spu/crtn.asm: New file.
2457 * config/spu/float_unsdidf.c: New file.
2458 * config/spu/float_unssidf.c: New file.
2459 * config/spu/predicates.md: New file.
2460 * config/spu/spu-builtins.def: New file.
2461 * config/spu/spu-builtins.h: New file.
2462 * config/spu/spu-builtins.md: New file.
2463 * config/spu/spu-c.c: New file.
2464 * config/spu/spu-elf.h: New file.
2465 * config/spu/spu-modes.def: New file.
2466 * config/spu/spu-protos.h: New file.
2467 * config/spu/spu.c: New file.
2468 * config/spu/spu.h: New file.
2469 * config/spu/spu.md: New file.
2470 * config/spu/spu.opt: New file.
2471 * config/spu/spu_internals.h: New file.
2472 * config/spu/spu_intrinsics.h: New file.
2473 * config/spu/spu_mfcio.h: New file.
2474 * config/spu/t-spu-elf: New file.
2475 * config/spu/vec_types.h: New file.
2476 * config/spu/vmx2spu.h: New file.
2477 * doc/contrib.texi: Document SPU contributor.
2478 * doc/extend.texi: Document SPU extensions.
2479 * doc/invoke.texi: Document SPU options.
2480 * doc/md.texi: Document SPU constraints.
2482 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2484 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2486 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2488 (flow_loop_dump): Do not dump loop level.
2489 (flow_loops_find): Do not call flow_loops_level_compute.
2490 * cfgloop.h (struct loop): Remove level field.
2492 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2494 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2495 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2496 Use vector of edges instead of array.
2497 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2498 estimate_numbers_of_iterations_loop): Ditto.
2499 * predict.c (predict_loops): Ditto.
2500 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2501 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2503 * basic-block.h: Declare heap allocation for edge vectors.
2504 * tree-outof-ssa.c: Ditto.
2505 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2506 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2508 2006-11-20 Zack Weinberg <zackw@panix.com>
2510 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2511 Add another out parameter, "skip".
2512 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2513 is tagged "skip", do not mark its type used.
2515 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2518 * tree-sra.c (single_scalar_field_in_record_p): New function.
2519 (decide_block_copy): Use it.
2521 2006-11-20 David Daney <ddaney@avtrex.com>
2523 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2524 PC to point to following instruction.
2526 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2530 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2532 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2534 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2536 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2537 Add sh/superh.h to tm_file.
2539 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2540 Mark Mitchell <mark@codesourcery.com>
2542 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2544 (cpp_relocated): New function.
2545 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2547 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2548 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2549 replace configured prefix with gcc_exec_prefix.
2551 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2553 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
2554 bfin_legitimate_constant_p.
2555 * config/bfin/bfin.md (movsi expander): Check return value of
2557 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
2558 (expand_move): Adjust prototype.
2559 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
2560 invalid constants specially.
2561 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
2563 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
2565 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
2566 sibcall_value_symbol): Allow these patterns if
2567 TARGET_LEAF_ID_SHARED_LIBRARY.
2568 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
2569 (override_options): Turn on id shared library flags if -msep-data,
2570 but disallow the combination of these options on the command line.
2571 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
2572 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
2573 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
2574 -mid-shared-library.
2575 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
2576 * doc/invoke.texi (Blackfin Options): Document new switches.
2578 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
2579 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
2581 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
2582 inflate costs for addresses with an out-of-bounds address.
2584 2006-11-19 Andrew Pinski <pinskia@gmail.com>
2587 * fwprop.c (loops): Remove.
2588 (forward_propagate_into): Use current_loops instead of
2590 (fwprop_init): Call loop_optimizer_init instead of
2592 (fwprop_done): Call loop_optimizer_finalize instead of
2594 (fwprop): Use current_loops instead of loops.
2596 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
2599 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
2601 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2604 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
2605 larger than BITS_PER_WORD.
2607 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2611 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
2612 to MAX_FIXED_MODE_SIZE.
2614 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2616 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
2617 (fold_builtin_fmin_fmax): New.
2618 (fold_builtin_1): Use it.
2620 * fold-const.c (fold_strip_sign_ops): Handle copysign.
2622 2006-11-18 Richard Guenther <rguenther@suse.de>
2624 * config/i386/i386.c (ix86_builtins): New array for ix86
2625 builtin function decls.
2626 (def_builtin): New function.
2627 (def_builtin_const): Likewise.
2628 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
2630 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
2632 * doc/invoke.texi (core2): Add item.
2634 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
2636 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
2637 (TARGET_CPU_DEFAULT_generic): Change value.
2638 (TARGET_CPU_DEFAULT_NAMES): Add core2.
2639 (processor_type): Add new constant PROCESSOR_CORE2.
2641 * config/i386/i386.md (cpu): Add core2.
2643 * config/i386/i386.c (core2_cost): New initialized variable.
2644 (m_CORE2): New macro.
2645 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2646 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
2647 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2648 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2649 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2650 x86_accumulate_outgoing_args, x86_prologue_using_move,
2651 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2652 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
2653 x86_use_incdec, x86_four_jump_limit, x86_schedule,
2654 x86_pad_returns): Add m_CORE2.
2655 (override_options): Add entries for Core2.
2656 (ix86_issue_rate): Add case for Core2.
2658 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
2660 * doc/invoke.texi: Fix mno-isel typo.
2662 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2664 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
2665 easy vector constant loads.
2667 2006-11-18 Joseph Myers <joseph@codesourcery.com>
2669 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
2670 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2671 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
2672 * config/rs6000/sync.md (lwsync): Emit plain sync if
2675 2006-11-17 DJ Delorie <dj@redhat.com>
2677 * reload1.c (reloads_unique_chain): New.
2678 (reloads_conflict): Call it.
2680 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2682 * config/xtensa/predicates.md (addsubx_operand): New.
2683 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
2684 (xtensa_emit_bit_branch): New.
2685 (xtensa_emit_movcc): New.
2686 * config/xtensa/xtensa.md (any_minmax): New code macro.
2687 (minmax): New code attribute.
2688 (any_cond, any_scc, any_scc_sf): New code macros.
2689 (*addx2, *addx4, *addx8): Delete.
2691 (*subx2, *subx4, *subx8): Delete.
2693 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
2694 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
2695 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
2696 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
2697 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
2698 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
2699 (movsfcc_internal0, movsfcc_internal1): Likewise.
2700 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
2701 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
2702 (xtensa_emit_bit_branch): New.
2703 (xtensa_emit_movcc): New.
2704 (function_arg_boundary): Add missing prototype.
2706 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2708 * config/xtensa/xtensa.md (tstsi): Delete
2710 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2712 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
2714 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2716 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2718 2006-11-17 Bob Wilson <bob.wilson@acm.org>
2720 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
2722 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2724 * tree-vrp.c (execute_vrp): Do not update current_loops.
2725 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
2726 * doc/loop.texi: Remove documentation for cancelled functions.
2727 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
2728 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
2730 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
2731 (remove_path): Ensure that in delete_basic_blocks, the loops
2732 are still allocated.
2733 (add_loop): Work on valid loop structures.
2734 (loopify): Modify call of add_loop.
2735 (mfb_update_loops): Removed.
2736 (create_preheader): Do not update loops explicitly.
2737 (force_single_succ_latches, loop_version): Do not use
2738 loop_split_edge_with.
2739 (loop_split_edge_with): Removed.
2740 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
2741 Do not use bsi_insert_on_edge_immediate_loop.
2742 (split_loop_exit_edge, tree_unroll_loop): Do not use
2743 loop_split_edge_with.
2744 (bsi_insert_on_edge_immediate_loop): Removed.
2745 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
2746 use loop_split_edge_with.
2747 * cfghooks.c: Include cfgloop.h.
2748 (verify_flow_info): Verify that loop_father is filled iff current_loops
2750 (redirect_edge_and_branch_force, split_block, delete_basic_block,
2751 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
2753 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
2755 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
2756 loop_split_edge_with.
2757 (sms_schedule): Use current_loops.
2758 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
2759 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
2761 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
2762 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
2763 * ifcvt.c (if_convert): Ditto.
2764 * predict.c (predict_loops): Do not clear current_loops.
2765 (tree_estimate_probability): Use current_loops.
2766 (propagate_freq): Receive head of the region to propagate instead of
2768 (estimate_loops_at_level): Do not use shared to_visit bitmap.
2769 (estimate_loops): New function. Handle case current_loops == NULL.
2770 (estimate_bb_frequencies): Do not allocate tovisit. Use
2772 * tree-ssa-loop.c (current_loops): Removed.
2773 (tree_loop_optimizer_init): Do not return loops.
2774 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
2775 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
2776 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
2777 Do not update loops explicitly.
2778 * function.h (struct function): Add x_current_loops field.
2779 (current_loops): New macro.
2780 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
2781 * loop-unroll.c (split_edge_and_insert): New function.
2782 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
2783 use loop_split_edge_with.
2784 * loop-doloop.c (add_test, doloop_modify): Ditto.
2785 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
2786 * cfglayout.c (copy_bbs): Do not update loops explicitly.
2787 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
2788 * tree-vect-transform.c (vect_transform_loop): Do not update loops
2790 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
2791 (flow_loops_free): Do not free dfs_order and rc_order.
2792 (flow_loops_find): Do not set dfs_order and rc_order in loops
2793 structure. Do not call loops and flow info verification.
2794 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
2795 already belongs to some loop.
2796 * cfgloop.h (struct loops): Remove struct cfg.
2797 (current_loops, loop_split_edge_with): Declaration removed.
2798 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
2799 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
2800 Declaration removed.
2801 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
2802 * basic-block.h (split_edge_and_insert): Declare.
2803 * tree-cfg.c (remove_bb): Do not update loops explicitly.
2805 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2807 PR tree-optimization/29801
2808 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
2809 (get_default_value): Use get_symbol_constant_value.
2810 (set_lattice_value): ICE when the value of the constant is
2812 (visit_assignment): Ignore VDEFs of read-only variables.
2814 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2816 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
2818 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
2819 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2821 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
2823 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
2824 select subvars of var.
2826 2006-11-17 Jakub Jelinek <jakub@redhat.com>
2829 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
2830 optimize if DEF doesn't have integral type.
2832 2006-11-16 Mike Stump <mrs@apple.com>
2834 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
2835 pre-darwin9 system, unless the user asks for it directly.
2836 (PREFERRED_DEBUGGING_TYPE): Likewise.
2837 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
2838 * config.gcc: Add suppport for darwin9.h.
2839 * config/darwin9.h: Add.
2840 * doc/install.texi (Specific): Clarify darwin documentation.
2842 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2844 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
2845 optimizing for size.
2847 2006-11-16 Mike Stump <mrs@apple.com>
2849 * Makefile.in (targhooks.o): Add $(OPTABS_H).
2851 2006-11-16 Dirk Mueller <dmueller@suse.de>
2853 * tree-vrp.c (get_value_range): Use XCNEW instead
2855 (insert_range_assertions): Use XCNEWVEC instead
2856 of XNEWVEC and memset.
2857 (vrp_initialize): Same.
2858 (vrp_finalize): Same.
2859 * tree-ssa-ccp.c (ccp_initialize): Same.
2860 * predict.c (tree_bb_level_predictions): Same.
2861 * calls.c (expand_call): Same.
2862 * tree-ssa-copy.c (init_copy_prop): Same.
2863 (fini_copy_prop): Same.
2864 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
2865 of GGC_NEW and memset.
2867 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
2870 * gimplify.c (gimplify_expr): Only force a load for references to
2871 non-BLKmode volatile values.
2872 * doc/implement-c.texi (Qualifiers implementation): Document the
2873 interpretation of what a volatile access is.
2874 * doc/extend.texi (C++ Extensions): Rework same documentation.
2876 2006-11-16 Joseph Myers <joseph@codesourcery.com>
2878 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
2881 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
2883 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
2885 (arm_neg_abssi2): Renamed from neg_abssi2.
2886 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2888 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
2890 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
2891 number of arguments passed to local functions in SSE registers is 3.
2893 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
2894 number of arguments passed in SSE registers to 3.
2896 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2899 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
2901 (get_last_bb_insn): ... new global function.
2902 (basic_block.h): Declare it.
2903 * haifa-sched.c (create_recovery_block): Use it.
2905 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
2908 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2910 2006-11-15 Paul Brook <paul@codesourcery.com>
2912 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
2913 _Unwind_GetTextRelBase): Move from here ...
2914 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
2915 _Unwind_GetTextRelBase): ... To here.
2917 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2919 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
2920 addresses we generate for testing are aligned.
2922 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2925 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
2926 to what is the const decl is a place holder for.
2928 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
2930 * config/i386/i386.opt: New target option -mx87regparm.
2932 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
2933 and float_in_x87 variables. mmx_words, sse_words: Remove.
2934 (X87_REGPARM_MAX): Define.
2936 * config/i386/i386.c (override_options): Error out for
2937 -mx87regparm but no 80387 support.
2938 (ix86_attribute_table): Add x87regparm.
2939 (ix86_handle_cconv_attribute): Update comments for x87regparm.
2940 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
2941 (ix86_function_x87regparm): New function.
2942 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
2944 (init_cumulative_args): Initialize x87_nregs and float_in_x87
2946 (function_arg_advance): Process x87_nregs and x87_regno when
2947 floating point argument is to be passed in 80387 register.
2948 (function_arg): Pass XFmode arguments in 80387 registers for local
2949 functions. Pass SFmode and DFmode arguments to local functions
2950 in 80387 registers when flag_unsafe_math_optimizations is set.
2952 * reg-stack.c (convert_regs_entry): Disable NaN load for
2953 stack registers that are used for argument passing.
2955 * doc/extend.texi: Document x87regparm function attribute.
2956 * doc/invoke.texi: Document -mx87regparm.
2958 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2960 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
2961 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
2962 arg MODE; all callers changed. Use it to determine validity per
2963 machine mode instead of using Pmode for all memory references.
2964 (get_address_cost): Likewise add and use new arg MEM_MODE.
2966 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2967 J"orn Rennecke <joern.rennecke@st.com>
2969 * combine.c (likely_spilled_retval_1): Fix masking operation.
2970 (likely_spilled_retval_p): Use proper pattern for call to
2971 likely_spilled_retval_1.
2973 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2975 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2977 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2978 that tests for CONSTANT_POOL_ADDRESS_P.
2980 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2982 PR tree-optimization/29581
2983 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2984 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2985 type is different between Y and USE, create a temporary
2986 variable, initialize it at the beginning of the body bb
2987 and use it as replacement instead of Y.
2989 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2992 * gimplify.c (fold_indirect_ref_rhs): Use
2993 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2995 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2997 * expmed.c (emit_store_flag_1): New function.
2998 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3000 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3001 Use do_compare_rtx_and_jump.
3002 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3003 * arm.md (cstoresi4): New define_expand.
3004 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3005 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3006 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3008 2006-11-14 Caroline Tice <ctice@apple.com>
3010 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3011 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3013 (pubname_table): Redefine as a vector.
3014 (pubtype_table): New static global variable, defined as a vector.
3015 (pubname_table_allocated): Remove static global variable.
3016 (pubname_table_in_use): Remove static global variable.
3017 (PUBNAME_TABLE_INCREMENT): Remove constant.
3018 (size_of_pubnames): Add parameter to deal with either pubnames or
3019 pubtypes, and change code to deal with table being a vector.
3020 (add_pubname): Change to deal with table being a vector.
3021 (add_pubtype): New function.
3022 (output_pubnames): Add parameter to deal with either pubnames or
3023 pubtypes, and change code to deal with table being a vector.
3024 (gen_array_type_die): Add call to add_pubtype.
3025 (gen_enumeration_type_die): Add call to add_pubtype.
3026 (gen_struct_or_union_type_die): Add call to add_pubtype.
3027 (gen_subroutine_type_die): Add call to add_pubtype.
3028 (gen_typedef_die): Add call to add_pubtype.
3029 (dwarf2out_init): Add code to initialize pubname_table and
3030 pubtype_table vectors; also initialize debug_pubtypes_section.
3031 (prune_unused_types): Change to deal with pubnames being a vector.
3032 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3033 pubnames table to call to output_pubnames; Add code to output pubtypes
3034 table if DEBUG_PUBTYPES_SECTION is defined.
3035 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3037 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3039 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3041 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3042 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3043 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3044 movv2si_internal): Support moves between core registers.
3046 2006-11-14 Eric Christopher <echristo@apple.com>
3048 * configure: Regenerate with autoconf 2.59.
3050 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3052 Fix PR tree-optimization/27755
3054 * tree-ssa-pre.c: Update comments.
3055 (bb_bitmap_sets): Add pa_in and deferred member.
3056 (BB_DEFERRED): New macro.
3057 (maximal_set): New variable.
3058 (pre_stats): Add pa_insert member.
3059 (bitmap_set_and): Short circuit orig == dest.
3060 (bitmap_set_subtract_values): New function.
3061 (bitmap_set_contains_expr): Ditto.
3062 (translate_vuses_through_block): Add phiblock argument.
3063 (dependent_clean): New function.
3064 (compute_antic_aux): Update for maximal_set changes.
3065 (compute_partial_antic_aux): New function.
3066 (compute_antic): Handle partial anticipation.
3067 (do_partial_partial_insertion): New function.
3068 (insert_aux): Handle partial anticipation.
3069 (add_to_sets): Add to maximal set.
3070 (compute_avail): Ditto.
3071 (init_pre): Initialize maximal_set.
3072 (execute_pre): Do partial anticipation if -O3+.
3074 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3076 PR rtl-optimization/29798
3078 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3079 TARGET_INSN before any other check.
3080 (fwprop_init): Always calculate dominators.
3081 (fwprop_done): Always free them.
3083 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3085 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3088 2006-11-13 DJ Delorie <dj@redhat.com>
3090 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3091 temporary for intermediates.
3093 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3095 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3096 (sh_optimize_target_register_callee_saved): #if 0 the code
3097 using NOTE_INSN_LOOP_{BEG,END}.
3099 2006-11-13 Roger Sayle <roger@eyesopen.com>
3101 * fold-const.c (optimize_bit_field_compare): Recursively call
3102 fold when simplifying non-constant comparisons between bit-fields.
3104 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3106 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3108 * configure: Rebuilt.
3110 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3112 * config/rs6000/cell.md: New file.
3113 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3115 (ppccell_cost): New cost matrix.
3116 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3117 (rs6000_override_options): Set rs6000_always_hint to false
3118 for cell. Also align functions/lables/loops to 8byte
3119 for the Cell. Use PROCESSOR_CELL.
3120 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3121 using_mtcr_multiple.
3122 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3123 on the Cell, return 0.
3124 (rs6000_adjust_cost): Add Cell cost adjustments.
3125 (is_microcoded_insn): Return true for Cell microcoded
3127 (is_nonpipeline_insn): New function.
3128 (rs6000_issue_rate): Add PROCESSOR_CELL.
3129 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3131 (rs6000_use_sched_lookahead_guard): New function.
3132 (rs6000_sched_reorder): Reorder the ready list, if the second
3133 to last ready insn is a nonepipeline insn on the Cell.
3134 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3135 (ASM_CPU_SPEC): Add Cell.
3136 * config/rs6000/rs6000.md (cpu): Add Cell.
3137 (cell_micro): New Attr.
3140 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3142 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3144 * configure: Rebuilt.
3146 2006-11-13 Richard Guenther <rguenther@suse.de>
3148 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3150 (ix86_expand_lfloorceil): Likewise.
3151 (ix86_expand_rint): Likewise.
3152 (ix86_expand_floorceildf_32): Likewise.
3153 (ix86_expand_floorceil): Likewise.
3154 (ix86_expand_rounddf_32): Likewise.
3155 (ix86_expand_truncdf_32): Likewise.
3156 (ix86_expand_round): Likewise.
3158 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3159 Mark Mitchell <mark@codesourcery.com>
3161 * gcc.c: Organize search path variables into $prefix relative,
3162 and well-known native. Add comments.
3163 (add_sysrooted_prefix): Add comment.
3164 (process_command): If !gcc_exec_prefix add $prefix based paths.
3165 If *cross_compile == '0', add native well-known paths.
3166 Assert tooldir_base_prefix is always relative.
3167 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3168 use this value for 'install:' path.
3169 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3171 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3173 * config/i386/i386.c: Fix a typo in comment.
3175 2006-11-13 Michael Matz <matz@suse.de>
3177 * genemit.c (gen_expand): Allocate enough memory.
3179 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3181 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3182 __GXX_TYPEINFO_EQUALITY_INLINE but not
3183 __GXX_MERGED_TYPEINFO_NAMES.
3184 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3185 __GXX_MERGED_TYPEINFO_NAMES.
3186 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3187 __GXX_TYPEINFO_EQUALITY_INLINE.
3189 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3190 Zdenek Dvorak <dvorakz@suse.cz>
3192 PR tree-optimization/29680
3193 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3196 2006-11-12 Jason Merrill <jason@redhat.com>
3197 Andrew Pinski <pinskia@physics.uc.edu>
3200 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3202 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3204 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3205 * tree.c (build_vector): Handle non-_CST elements.
3207 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3209 * genemit.c (gen_insn): Call gen_exp with a non-null used
3210 when handling multiple insns.
3211 (gen_expand): Likewise.
3212 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3213 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3214 (movsi_const_16bit+1): Copy operands[1].
3215 (call_pcrel): Copy the call_site pattern.
3216 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3218 2006-11-12 Roger Sayle <roger@eyesopen.com>
3220 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3221 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3222 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3223 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3225 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3227 Fix PR tree-optimization/29587
3228 * tree-ssa-structalias.c (process_constraint): Don't
3229 mark address taken due only to escaped vars constraint.
3231 2006-11-12 Michael Matz <matz@suse.de>
3232 Roger Sayle <roger@eyesopen.com>
3234 PR rtl-optimization/29797
3235 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3236 BITS_BIG_ENDIAN targets.
3238 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3240 * builtins.c (fold_builtin_cosh): New.
3241 (fold_builtin_1): Use it.
3242 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3243 trunc to the list of "odd" functions. Also add llrint, lrint,
3244 rint and nearbyint when flag_rounding_math is false.
3246 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3248 * tree-flow.h (name_mappings_registered_p): Declare.
3249 * tree-into-ssa.c (name_mappings_registered_p): New function.
3250 * tree-cfg.c (tree_can_merge_blocks_p): Check
3251 name_mappings_registered_p instead of need_ssa_update_p.
3253 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3255 * tree-ssa-loop.c (tree_vectorize): Return the result of
3257 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3258 if anything changed.
3259 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3260 * tree-flow.h (vectorize_loops): Declaration changed.
3262 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3264 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3266 (issue_prefetch_ref): Move assignment to write_p out of loop.
3267 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3268 SIMULTANEOUS_PREFETCHES into account.
3269 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3270 * lambda-code.c (lcm): Renamed to ...
3271 (least_common_multiple): ... and exported.
3272 * tree-flow.h (least_common_multiple): Declare.
3274 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3276 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3277 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3278 ud-chains. Handle AND_EXPR.
3279 (record_estimate): Record whether the estimate is realistic
3280 and whether it is derived from a loop exit.
3281 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3282 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3284 (compute_estimated_nb_iterations): Take only realistic bounds into
3285 account. Set estimate_state. Use double_ints.
3286 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3287 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3288 that do not have to be always executed.
3289 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3290 to determine whether to call infer_loop_bounds_from_undefined
3291 and compute_estimated_nb_iterations.
3292 (n_of_executions_at_most): Use double_ints.
3293 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3294 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3295 * double-int.c (double_int_to_tree): Improve comment.
3296 (double_int_fits_to_tree_p): New function.
3297 * double-int.h (double_int_fits_to_tree_p): Declare.
3298 * tree-data-ref.c: Include langhooks.h.
3299 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3300 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3301 (analyze_array): Do not pass estimate_only argument to
3302 analyze_array_indexes.
3303 (get_number_of_iters_for_loop): Build tree from the stored double_int
3305 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3306 (find_data_references_in_loop): Use find_data_references_in_stmt.
3307 * tree-data-ref.h (struct data_ref_loc_d): New.
3308 (get_references_in_stmt): Declare.
3309 (estimate_iters_using_array): Declaration removed.
3310 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3311 double_int. Improve comments. Add is_exit and realistic
3313 (struct loop): Changed type of estimated_nb_iterations to double_int.
3314 Added estimate_state field.
3315 (record_estimate): Declaration removed.
3317 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3319 * params.c (set_param_value): Initialize the "set" field.
3320 * params.h (struct param_info): Add "set" field.
3321 (PARAM_SET_P): New macro.
3322 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3323 L1_CACHE_LINE_SIZE): New macros.
3324 * toplev.c (DEFPARAM): Initialize the "set" field.
3325 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3326 SIMULTANEOUS_PREFETCHES): Removed.
3327 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3328 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3329 * config/sparc/sparc.c: Include params.h.
3330 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3331 L1_CACHE_LINE_SIZE parameters.
3332 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3334 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3336 * config/i386/i386.c: Include params.h.
3337 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3338 (override_options): Set SIMULTANEOUS_PREFETCHES and
3339 L1_CACHE_LINE_SIZE parameters.
3340 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3341 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3342 L1_CACHE_LINE_SIZE parameters.
3343 * config/ia64/ia64.c (ia64_optimization_options): Set
3344 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3345 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3347 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3348 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3349 * doc/invoke.texi: Document new params.
3351 2006-11-12 Roger Sayle <roger@eyesopen.com>
3353 PR tree-optimization/13827
3354 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3357 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3359 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3360 update_single_exit_for_duplicated_loops): New functions.
3361 (duplicate_loop_to_header_edge): Use
3362 update_single_exit_for_duplicated_loops.
3363 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3364 functions only with ENABLE_CHECKING.
3366 2006-11-12 Andreas Schwab <schwab@suse.de>
3368 * except.c (sjlj_emit_function_enter): Remove unused variable.
3370 2006-11-11 Roger Sayle <roger@eyesopen.com>
3372 * fold-const.c (int_binop_types_match_p): New function.
3373 (size_binop): Relax constraint that both arguments must both have
3374 exactly the same sizetype type. Instead use int_binop_types_match_p.
3375 (size_diffop): Likewise.
3377 (make_range): Use build_int_cst instead of fold_convert.
3378 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3379 integer constants of the correct type.
3380 (fold_div_compare): Likewise.
3381 (fold_single_bit_test): Likewise.
3382 (fold_binary): Likewise.
3383 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3384 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3386 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3389 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3390 non null value if the struct memory access is in the 0th
3393 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3396 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3397 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3400 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3401 instead of builtin_define for bfin and BFIN.
3403 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3405 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3408 2006-11-11 Jan Hubicka <jh@suse.cz>
3410 * extend.texi (__builtin_expect): We no longer require second argument
3412 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3413 * builtins.c (expand_builtin_expect): Simplify.
3414 (expand_builtin_expect_jump): Kill.
3415 * final.c (final_scan_insn): Do not skip the removed notes.
3416 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3417 EXPECTED_VALUE): Remove.
3418 * dojump.c (do_jump): Do not care about __builtin_expect.
3419 * predict.c (expected_value_to_br_prob): Kill.
3420 * function.c (expand_function_end): Do not expand
3421 NOTE_INSN_REPEATED_LINE_NUMBER.
3422 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3423 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3424 * cfgexpand.c (add_reg_br_prob_note): Export.
3425 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3426 expected_value_to_br_prob.
3427 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3428 * rtl.h (add_reg_br_prob_note): Declare.
3430 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3432 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3434 2006-11-11 Jan Hubicka <jh@suse.cz>
3436 * predict.c (predict_loops): Kill RTL variant.
3438 2006-11-11 Jan Hubicka <jh@suse.cz>
3440 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3441 * modulo-sched.c (find_line_note): Remove.
3442 (loop_canon_p): Do not worry about line number notes.
3443 (sms_schedule): Likewise.
3444 * cse.c (cse_main): Likewise.
3445 * regmove.c (fixup_match_1): Likewise
3446 * function.c (emit_return_info_block): Likewise.
3447 (expand_function_end): Likewise.
3448 (thread_prologue_an_epilogue_insns): Likewise.
3449 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3451 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3452 emit_note_copy_after): Kill.
3453 (emit_note_copy): Do not worry about line numbers.
3454 * jump.c (purge_line_number_notes): Kill.
3455 (pass_purge_lineno_notes): Kill.
3456 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3458 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3459 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3460 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3461 * tree-pass.h (pass_purge_lineno_notes): Kill.
3462 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3463 rm_redundant_line_notes.
3464 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3465 rm_redundant_line_notes.
3466 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3467 * haifa-sched.c: Update comment about handling notes.
3468 (unlink_line_notes): Kill.
3469 (rm_line_notes): Kill.
3470 (save_line_notes): Simplify.
3471 (rm_redundant_line_notes): Kill.
3473 2006-11-11 Richard Guenther <rguenther@suse.de>
3475 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3476 Remove unused tree codes.
3477 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3478 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3479 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3480 * tree.c (stabilize_reference): Likewise.
3481 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3482 fold_unary): Likewise.
3483 * tree-gimple.c (is_gimple_cast): Likewise.
3484 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3485 * expr.c (expand_expr_real_1): Likewise.
3486 * tree-eh.c (tree_could_trap_p): Likewise.
3487 * gimplify.c (gimplify_expr): Likewise.
3488 * tree-inline.c (estimate_num_insns_1): Likewise.
3489 * tree-cfg.c (verify_expr): Likewise.
3491 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3493 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3494 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3495 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3497 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3500 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3501 constraints accept neither registers or memories.
3503 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3505 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3506 (NO_PROFILE_COUNTERS): Define as 1.
3508 2006-11-10 Roger Sayle <roger@eyesopen.com>
3510 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3511 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3513 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3515 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3517 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3519 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3520 (fold_builtin_hypot): Likewise.
3521 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3523 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3525 2006-11-10 Roger Sayle <roger@eyesopen.com>
3527 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3528 when attempting to build INTEGER_CSTs of non-integral types.
3529 * expmed.c (make_tree): Use the correct type, i.e. the inner
3530 type, when constructing the individual elements of a CONST_VECTOR.
3532 2006-11-10 Jan Hubicka <jh@suse.cz>
3534 * cse.c (cse_process_notes): Copy the propagated value.
3535 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3537 * gcse.c (try_replace_reg): Copy the replacement.
3538 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3539 (assign_386_stack_local): Always return copied memory expression
3540 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3543 2006-11-10 Jan Hubicka <jh@suse.cz>
3545 * final.c (final): Walk from first instruction.
3546 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3548 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3551 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3553 (umulv8hi3_highpart): Ditto.
3554 (vec_widen_smult_hi_v8hi): New expander.
3555 (vec_widen_smult_lo_v8hi): Ditto.
3557 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3560 * builtins.c (do_mpfr_arg3): New.
3561 (fold_builtin_1): Handle builtins fma, fmin and fmax.
3563 2006-11-09 Eric Christopher <echristo@apple.com>
3568 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
3569 * config.gcc (powerpc64-*-darwin*): New target.
3570 * config.host: Ditto.
3571 * config/rs6000/darwin64.h: New file.
3572 * config/rs6000/x-darwin64: Ditto.
3573 * config/rs6000/host-ppc64-darwin.c: Ditto.
3575 2006-11-09 Steve Ellcey <sje@cup.hp.com>
3577 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
3578 routines for integer division.
3580 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
3582 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
3584 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3587 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
3589 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
3591 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
3592 simplify_subreg with BLKmode outer mode.
3594 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
3596 * doc/invoke.texi: Minor formatting fixes in option lists.
3598 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
3600 PR tree-optimization/29738
3601 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
3602 (ccp_lattice_t): Remove UNKNOWN_VAL.
3603 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
3604 Do not handle UNKNOWN_VAL.
3605 (get_default_value): Set initial value of virtual operands to
3607 (get_value): Always use get_default_value on uninitialized
3609 (set_value_varying, surely_varying_stmt_p): New functions.
3610 (set_lattice_value): Do not pass argument to get_value.
3611 Do not handle UNKNOWN_VAL.
3612 (likely_value): Follow the semantics described in the comment.
3613 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
3614 phi nodes DONT_SIMULATE_AGAIN.
3615 (ccp_fold): Do not pass argument to get_value.
3616 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
3619 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3621 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3622 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
3624 2006-11-08 Roger Sayle <roger@eyesopen.com>
3626 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
3627 test for inclusion rather than as a test for exclusion.
3628 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
3629 the condition after calling fold_binary.
3630 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
3631 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
3632 * builtins.c (fold_builtin_isascii): Likewise.
3633 (fold_builtin_isdigit): Likewise.
3635 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
3637 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
3638 * configure: Regenerate.
3640 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3642 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
3643 enum argument instead of bool.
3644 (vect_analyze_operations): Call vectorizable_type_promotion.
3645 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
3646 stmt_vec_info_type value.
3647 (supportable_widening_operation, vectorizable_type_promotion): New
3648 function declarations.
3649 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
3650 (vectorizable_type_promotion): New function.
3651 (vect_transform_stmt): Call vectorizable_type_promotion.
3652 * tree-vect-analyze.c (supportable_widening_operation): New function.
3653 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
3655 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3658 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
3659 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
3660 * tree-inline.c (estimate_num_insns_1): Add cases for above new
3662 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3663 * expr.c (expand_expr_real_1): Likewise.
3664 * optabs.c (optab_for_tree_code): Likewise.
3665 (init_optabs): Initialize new optabs.
3666 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
3667 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
3668 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
3669 vec_unpacku_lo_optab): Initialize new optabs.
3670 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
3671 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
3672 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
3674 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
3675 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
3676 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
3677 (vec_unpacku_lo_optab): New optabs.
3678 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
3679 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
3680 (vec_widen_smult_hi, vec_widen_smult_lo): New.
3681 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
3682 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
3683 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
3685 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
3686 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
3687 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
3688 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
3689 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
3690 implement the unsigned unpacking patterns.
3691 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
3692 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
3693 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
3694 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
3695 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
3696 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
3697 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
3698 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
3699 multiplication patterns.
3701 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
3702 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
3703 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3704 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
3705 (rs6000_builtin_mul_widen_odd): New.
3706 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
3707 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
3708 * tree-vectorizer.h (enum vect_relevant): New enum type.
3709 (_stmt_vec_info): Field relevant chaned from bool to enum
3711 (STMT_VINFO_RELEVANT_P): Updated.
3712 (STMT_VINFO_RELEVANT): New.
3713 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
3714 instead of STMT_VINFO_RELEVANT_P.
3715 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
3716 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
3717 and boolean variable with enum vect_relevant.
3718 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
3719 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
3720 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
3722 2006-11-08 Richard Henderson <rth@redhat.com>
3724 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
3725 vec_widen_umult_lo_v8hi): New.
3726 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
3727 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
3729 * config/i386/i386.c (ix86_expand_sse_unpack): New.
3730 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
3731 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
3732 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
3733 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
3734 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
3735 vec_unpacks_lo_v4si): New.
3737 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3739 * tree-vect-transform.c (vectorizable_type_demotion): New function.
3740 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
3741 (vect_analyze_operations): Call vectorizable_type_demotion.
3742 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
3743 stmt_vec_info_type value.
3744 (vectorizable_type_demotion): New function declaration.
3745 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
3748 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
3749 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
3751 * tree-iniline.c (estimate_num_insns_1): Likewise.
3752 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3753 * optabs.c (optab_for_tree_code): Likewise.
3755 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
3756 compared against the predicate of the result is not 'mode' (the input
3757 to the function) but a mode with half the size of 'mode'.
3758 (init_optab): Initialize new optabs.
3759 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
3761 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
3763 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
3764 (vec_pack_usat_optab): Initialize new optabs.
3765 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
3766 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
3768 2006-11-08 Richard Henderson <rth@redehat.com>
3770 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
3771 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
3772 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
3773 (vec_interleave_highv4si, vec_interleave_lowv4si):
3774 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
3776 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3778 * tree-vect-transform.c (vectorizable_reduction): Support multiple
3780 (vect_transform_stmt): Removed redundant code.
3782 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3784 * tree-vect-transform.c (vectorizable_operation): Support multiple
3787 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
3789 * tree-vect-transform.c (vect_align_data_ref): Removed.
3790 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
3791 Updated function documentation. Return the increment stmt in ptr_incr.
3792 (bump_vector_ptr): New function.
3793 (vect_get_vec_def_for_stmt_copy): New function.
3794 (vect_finish_stmt_generation): Create a stmt_info to newly created
3796 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
3798 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
3799 VF is greater than the number of elements that can fit in one vector
3801 (vectorizable_operation, vectorizable_condition): Likewise.
3802 (vectorizable_store, vectorizable_load): Support the case that the VF
3803 is greater than the number of elements that can fit in one vector word.
3804 (vect_transform_loop): Don't fail in case of multiple data-types.
3805 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
3806 in case of multiple data-types; the smallest type determines the VF.
3807 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
3808 if they are of different sizes.
3809 (vect_update_misalignment_for_peel): Compare misalignments in terms of
3810 number of elements rather than number of bytes.
3811 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
3812 (vect_can_advance_ivs_p): Fix a dump printout
3814 2006-11-07 Eric Christopher <echristo@apple.com>
3816 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
3817 (__bswapsi2): Ditto.
3818 * libgcc2.h: Remove transformation of bswap routines.
3819 * config/i386/i386.md (bswapsi2): New.
3822 2006-11-07 Jakub Jelinek <jakub@redhat.com>
3824 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
3825 (handle_gnu_inline_attribute): New function.
3826 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
3827 (merge_decls, start_decl, start_function): Likewise.
3828 * doc/extend.texi: Document gnu_inline attribute.
3830 2006-11-07 Steve Ellcey <sje@cup.hp.com>
3833 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
3834 _fixunstfdi, and _floatditf
3836 2006-11-06 Anatoly Sokolov <aesok@post.ru>
3838 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
3840 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
3841 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
3842 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
3843 which start in an odd register.
3845 2006-11-07 Richard Sandiford <richard@codesourcery.com>
3847 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
3849 2006-11-07 Josh Conner <jconner@apple.com>
3851 * doc/invoke.texi (fstrict-aliasing): Move implementation
3853 * doc/tree-ssa.texi (Alias analysis): ...here.
3855 2006-11-07 Richard Guenther <rguenther@suse.de>
3857 PR tree-optimization/29610
3858 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
3859 of tree_purge_dead_eh_edges as it may free dominators.
3861 * g++.dg/other/pr29610.C: New testcase.
3863 2006-11-07 David Ung <davidu@mips.com>
3865 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
3866 costs when optimizing for size.
3867 (override_options): Use mips_rtx_cost_optimize_size table for cost
3870 2006-11-07 Jie Zhang <jie.zhang@analog.com>
3872 * gcc.c (process_command): Treat -b as normal switch if its argument
3875 2006-11-07 David Ung <davidu@mips.com>
3877 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
3880 2006-11-06 Eric Christopher <echristo@apple.com>
3882 * config.gcc: Add x86_64-darwin host support.
3883 * config.host: Ditto.
3884 * config/i386/darwin64.h: New file.
3885 * config/i386/t-darwin64: Ditto.
3887 2006-11-06 Janis Johnson <janis187@us.ibm.com>
3889 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
3890 and output-exists-not.
3892 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3895 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
3896 checking for overflow.
3898 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
3900 * configure.ac: Fixed typo in case statement: :: changed to ;;
3902 2006-11-06 Bob Wilson <bob.wilson@acm.org>
3904 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
3905 count_leading_zeros, and count_trailing_zeros.
3906 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
3907 (TARGET_FOLD_BUILTIN): Define.
3908 (TARGET_EXPAND_BUILTIN): Define.
3909 (xtensa_init_builtins): New.
3910 (xtensa_fold_builtin): New.
3911 (xtensa_expand_builtin): New.
3912 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
3913 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
3914 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3915 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
3916 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
3917 (any_extend): New code macro.
3918 (u, su): New code attributes.
3919 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
3920 (nsau): Remove; replaced by clzsi2.
3921 (ffssi2): Use clzsi2.
3922 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
3923 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
3924 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
3925 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
3926 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
3928 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
3930 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
3932 * config/arm/t-strongarm-elf: Likewise.
3933 * config/arm/t-pe: Likewise.
3934 * config/arm/t-arm-elf: Likewise.
3935 * config/arm/t-xscale-elf: Likewise.
3936 * config/arm/t-arm-coff: Likewise.
3937 * config/arm/t-xscale-coff: Likewise.
3938 * config/arm/t-wince-pe: Likewise.
3940 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
3942 * config/sh/lib1funcs-4-300.asm: Guard entire file with
3945 2006-11-05 Jakub Jelinek <jakub@redhat.com>
3948 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
3951 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3954 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
3955 as a valid 80387 constant.
3956 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
3957 * config/i386/i386.md (unnamed splitter): Split the load of
3958 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
3961 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
3963 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
3964 from the soft-frame, argument and virtual registers.
3966 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3968 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3969 patterns for standard 80387 constants.
3971 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3972 Steven Bosscher <steven@gcc.gnu.org>
3974 * fwprop.c: New file.
3975 * Makefile.in: Add fwprop.o.
3976 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3977 * passes.c (init_optimization_passes): Schedule forward propagation.
3978 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3980 * timevar.def (TV_FWPROP): New.
3981 * common.opt (-fforward-propagate): New.
3982 * opts.c (decode_options): Enable forward propagation at -O2.
3983 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3984 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3985 canon_for_address, table_size): Remove.
3986 (new_basic_block, insert, remove_from_table): Remove references to
3988 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3989 simplification loop more straightforward by not calling fold_rtx
3991 (equiv_constant): Move here a small part of fold_rtx_subreg,
3992 do not call fold_rtx. Call avoid_constant_pool_reference
3994 * recog.h (canonicalize_change_group): New.
3996 * doc/invoke.texi (Optimization Options): Document fwprop.
3997 * doc/passes.texi (RTL passes): Document fwprop.
3999 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4001 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4002 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4003 (grokdeclarator): Likewise.
4005 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4007 * tree-dump.c (dump_enable_all): Rename local variable
4008 ir_type to avoid name conflicts.
4009 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4010 instead of using ir_type().
4011 * profile.c (tree_register_profile_hooks): Likewise.
4012 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4013 * basic-block.h (struct edge_def): Likewise.
4014 * config/arm/arm.c (legitimize_pic_address): Likewise.
4015 * coretypes.h (ir_type): New enum of all intermediate languages
4017 * cfghooks.c (ir_type): Rename to...
4018 (current_ir_type): ...this. Distinguish between cfgrtl and
4019 cfglayout mode when the current IR is RTL. Return enum ir_type.
4020 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4022 2006-11-03 Paul Brook <paul@codesourcery.com>
4024 * config/arm/arm.c (arm_file_start): New function.
4025 (TARGET_ASM_FILE_START): Define.
4026 (arm_default_cpu): New variable.
4027 (arm_override_options): Set arm_default_cpu.
4029 2006-11-03 David Ung <davidu@mips.com>
4031 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4032 PROCESSOR_24KC and PROCESSOR_24KF.
4033 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4034 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4035 (mips_rtx_cost_data): Add costs for the 24kc.
4036 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4037 * config/mips/24k.md: Remove references to 24k and replace with
4038 uses of 24kc/24kf in the appropriate reservations.
4039 * doc/invoke.texi (MIPS Options): Updated.
4041 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4043 * config/sh/crt1.asm: Fix #ifdef indent.
4045 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4046 Merged from STMicroelectronics sources:
4047 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4048 * config/sh/crt1.asm (vbr_600): Add missing #if.
4049 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4050 * sh.opt (mfused-madd): New option.
4051 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4052 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4053 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4054 Remove pointless handler at VBR+0.
4055 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4056 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4057 fr7. Make sure the timer handler is called with the correct FPU
4058 precision setting, according to the ABI.
4059 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4060 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4061 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4062 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4063 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4064 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4065 zero as second operand.
4066 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4067 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4068 Fixed some bugs related to negative values, in particular -0
4069 and overflow at -0x80000000.
4070 * config/sh/divcost-analysis: Added sh4-300 figures.
4071 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4072 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4073 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4074 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4075 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4076 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4078 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4080 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4081 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4082 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4083 mac_mem, mem_mac, dfp_mul, fp_cmp.
4084 (insn_class, dfp_comp, any_fp_comp): Update.
4085 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4086 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4087 (muldf3_i): Likewise.
4088 (movsi_i): Split rI08 alternative into two separate alternatives.
4090 (movsi_ie, movsi_i_lowpart): Likewise.
4091 (movqi_i): Split ri alternative into two separate alternatives.
4093 * sh1.md (sh1_load_store, sh1_fp): Update.
4094 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4095 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4096 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4097 (sh4a_fp_double_arith): Likewise.
4098 * sh4-300.md: New file.
4099 * sh.c (sh_handle_option): Handle m4-300* options.
4100 (sh_adjust_cost): Fix latency of auto-increments.
4101 Handle SH4-300 differently than other SH4s. Check for new insn types.
4102 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4103 been set by an option.
4104 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4105 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4106 (mbranch-cost=): Likewise.
4107 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4109 * sh.md (mulsf3): Remove special expansion code.
4110 (mulsf3_ie): Now a define_insn_and_split.
4111 (macsf3): Allow for TARGET_SH4.
4113 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4114 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4115 (expand_cbranchdi4): Likewise.
4116 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4117 CONST_DOUBLE if the outer code is COMPARE.
4118 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4119 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4120 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4121 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4122 Remove redundant fp_{zero,one}_operand checks.
4123 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4124 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4125 (expand_cbranchdi4): Likewise.
4126 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4127 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4129 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4131 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4134 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4136 * doc/invoke.texi: Fix mfp-trap-mode typo.
4138 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4140 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4141 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4142 file_end_indicate_exec_stack.
4143 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4145 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4146 for a non-executable stack.
4147 * crti.asm: Likewise.
4148 * crtn.asm: Likewise.
4149 * libunwind.S: Likewise.
4151 2006-11-02 Ben Elliston <bje@au.ibm.com>
4153 * tree-ssa.c (warn_uninit): Use expand_location variables for
4154 locus and declaration locus.
4156 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4159 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4160 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4161 cmp{eq,gt,gtu}{si,di}_media.
4162 (*cmpne0si_media): Remove.
4163 (*movsicc_umin): Adjust gen_cmp*_media call.
4164 (unordered): Change the mode of unordered and operands[1] to
4166 (seq): Adjust gen_cmp*_media calls. Make the mode of
4167 a temporary result of compare SImode if needed. If the mode
4168 of operands[0] is DImode, extend the temporary result to DImode.
4169 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4170 (sunorderd): Change the mode of match_operand and unorderd to
4172 (cmpeq{sf,df}_media): Remove.
4173 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4174 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4175 and compare operation to SImode.
4177 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4179 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4181 (sparc64-sun-solaris2*): Likewise.
4183 2006-11-02 Paul Brook <paul@codesourcery.com>
4185 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4186 from priority argument. Use different section for non-default
4188 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4190 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4193 * except.c (switch_to_exception_section): Do not cache the section
4194 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4195 and flag_function_sections is set.
4197 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4200 * builtins.c (do_mpfr_sincos): New.
4201 (fold_builtin_1): Use it to fold builtin sincos.
4203 2006-11-01 Roger Sayle <roger@eyesopen.com>
4205 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4206 it into -D_REENTRANT.
4208 2006-11-01 Roger Sayle <roger@eyesopen.com>
4210 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4211 whether the assembler supports taking the difference of symbols in
4212 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4213 * configure: Regenerate.
4214 * config.in: Regenerate.
4215 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4216 the assembler doesn't support taking the difference of symbols in
4217 different sections, i.e. we're using the native solaris assembler.
4219 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4220 Peter Bergner <bergner@vnet.ibm.com>
4222 * doc/invoke.texi: Add cpu_type power6x
4223 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4224 * config.gcc: Add cpu_type power6x.
4225 * configure.ac: Add test for mf{t,f}gpr instructions.
4226 (HAVE_AS_MFPGPR): New.
4227 * config.in: Regenerate.
4228 * configure: Regenerate.
4229 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4230 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4231 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4232 and mftgpr attributes.
4233 (define_attr "cpu"): Add power6.
4234 Change instruction sequences to use new attributes.
4235 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4236 (fix_truncdfsi2_mfpgpr): New.
4237 (floatsidf_ppc64_mfpgpr): New.
4238 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4239 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4240 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4241 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4242 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4243 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4244 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4245 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4246 cntlz,exts and var_delayed_compare.
4247 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4248 _ARCH_PWR6X, if features enabled.
4249 * config/rs6000/rs6000.opt (mmfpgpr): New.
4250 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4251 (cached_can_issue_more): New variable.
4252 (processor_costs): Add power6_cost.
4253 (rs6000_sched_init): New function.
4254 (is_dispatch_slot_restricted): Deleted.
4255 (set_to_load_agen): New function.
4256 (is_load_insn,is_store_insn): New functions.
4257 (adjacent_mem_locations): New function.
4258 (insn_must_be_first_in_group): New function.
4259 (insn_must_be_last_in_group): New function.
4260 (rs6000_sched_reorder): New function.
4261 (rs6000_sched_reorder2): New function.
4262 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4263 TARGET_SCHED_REORDER2): Define.
4264 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4265 Add power6x. Add MASK_MFPGPR for power6x.
4266 (POWERPC_MASKS): Add MASK_MFPGPR.
4267 (rs6000_override_options): Set rs6000_always_hint to false
4268 for power6. Set rs6000_align_branch_targets. Replace
4269 rs6000_sched_groups check with rs6000_align_branch_targets.
4270 Use PROCESSOR_POWER6.
4271 (last_scheduled_insn): New variable.
4272 (load_store_pendulum): New variable.
4273 (rs6000_variable_issue): Set last_scheduled_insn and
4274 cached_can_issue_more.
4275 (rs6000_adjust_cost): Add power6 cost adjustments.
4276 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4277 with insn_must_be_first_in_group. Add power6 priority adjustments.
4278 (rs6000_issue_rate): Add CPU_POWER6.
4279 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4280 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4281 (TARGET_MFPGPR): New.
4282 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4283 (ASM_CPU_SPEC): Add power6x.
4284 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4286 * config/rs6000/power6.md: New file.
4288 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4290 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4291 HOST_WIDE_INT_PRINT to print high and low parts. Use
4292 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4293 printing a hexadecimal number prefix it with 0x.
4295 2006-11-01 Chris Johns <chris@contemporary.net.au>
4298 * Makefile.in (install-driver): Use exeext when installing
4299 $target-gcc-$version.
4301 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4303 * c-common.c (flag_cpp0x): New.
4304 * c-common.h (flag_cpp0x): New.
4305 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4306 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4307 * c-opts.c (set_std_cxx0x): New.
4308 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4309 * c.opt (std=c++0x): Document.
4310 (std=gnu++0x): Ditto.
4311 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4312 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4314 2006-11-01 Richard Guenther <rguenther@suse.de>
4316 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4318 (ix86_expand_floorceildf_32): Likewise.
4319 (ix86_expand_floorceil): Likewise.
4320 (ix86_expand_trunc): Likewise.
4322 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4324 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4327 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4329 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4331 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4333 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4335 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4336 * configure.ac (use_cxa_atexit): As a special case, don't test
4337 for libc definition of __cxa_atexit on mingw32
4338 * configure: Regenerate.
4339 * config.gcc (i[34567]86-pc-mingw32): Default to
4340 enable__cxa_atexit=yes.
4342 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4344 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4346 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4349 * c-decl.c (start_struct): Don't create self-containing
4351 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4353 * config/rs6000/rs6000-protos.h
4354 (darwin_rs6000_special_round_type_align): New.
4355 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4356 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4358 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4360 * toplev.c (compile_file): Call final_write_globals
4361 even if there have been errors.
4363 2006-10-31 Eric Christopher <echristo@apple.com>
4364 Falk Hueffner <falk@debian.org>
4366 * doc/extend.texi (__builtin_bswap32): Document.
4367 (__builtin_bswap64): Ditto.
4368 * doc/libgcc.texi (bswapsi2): Document.
4370 * doc/rtl.texi (bswap): Document.
4371 * optabs.c (expand_unop): Don't widen a bswap.
4372 (init_optabs): Init bswap. Set libfuncs explicitly
4373 for bswapsi2 and bswapdi2.
4374 * optabs.h (OTI_bswap): New.
4375 (bswap_optab): Ditto.
4376 * genopinit.c (optabs): Handle bswap_optab.
4377 * tree.h (tree_index): Add TI_UINT32_TYPE and
4379 (uint32_type_node): New.
4380 (uint64_type_node): Ditto.
4381 * tree.c (build_common_tree_nodes_2): Initialize
4382 uint32_type_node and uint64_type_node.
4383 * builtins.c (expand_builtin_bswap): New.
4384 (expand_builtin): Call.
4385 (fold_builtin_bswap): New.
4386 (fold_builtin_1): Call.
4387 * fold-const.c (tree_expr_nonnegative_p): Return true
4389 * builtin-types.def (BT_UINT32): New.
4391 (BT_FN_UINT32_UINT32): Ditto.
4392 (BT_FN_UINT64_UINT64): Ditto.
4393 * builtins.def (BUILT_IN_BSWAP32): New.
4394 (BUILT_IN_BSWAP64): Ditto.
4395 * rtl.def (BSWAP): New.
4396 * genattrtab.c (check_attr_value): New.
4397 * libgcc2.c (__bswapSI2): New.
4398 (__bswapDI2): Ditto.
4399 * libgcc2.h (__bswapSI2): Declare.
4400 (__bswapDI2): Ditto.
4401 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4402 * simplify-rtx.c (simplify_const_unary_operation): Return
4404 * libgcc-std.ver (__bwapsi2): Add.
4405 (__bswapdi2): Ditto.
4406 * reload1.c (eliminate_regs_1): Add bswap.
4407 (elimination_effects): Ditto.
4408 * config/i386/i386.h (x86_bswap): New.
4409 (TARGET_BSWAP): Use.
4410 * config/i386/i386.c (x86_bswap): Set.
4412 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4414 * coverage.c (coverage_checksum_string): Update comment.
4415 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4416 of get_file_function_name.
4417 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4418 of get_file_function_name_long.
4419 * tree.c (get_file_function_name): Rename from
4420 get_file_function_name_long; improve comment; handle 'I' and 'D'
4421 specially when the target has ctor/dtor support; remove special
4423 (get_file_function_name): Remove.
4424 * tree.h (get_file_function_name): Rename from
4425 get_file_function_name_long.
4426 (get_file_function_name): Remove prototype.
4428 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4430 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4431 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4433 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4434 Call dsymutil when compiling and linking one or more source files
4437 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4440 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4442 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4444 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4445 inline static functions in c99 mode.
4448 * doc/extend.texi (Inline): Update.
4449 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4450 * c-decl.c (current_extern_inline): Delete.
4451 (pop_scope): Adjust test for an undefined nested function.
4452 Add warning about undeclared inline function.
4453 (diagnose_mismatched_decls): Update comments. Disallow overriding
4454 of inline functions in a translation unit in C99. Allow inline
4455 declarations in C99 at any time.
4456 (merge_decls): Boolize variables. Handle C99 'extern inline'
4458 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4459 C99 inline semantics.
4460 (start_function): Don't clear current_extern_inline. Don't set
4462 (c_push_function_context): Don't push current_extern_inline.
4463 (c_pop_function_context): Don't restore current_extern_inline.
4466 * c-typeck.c (build_external_ref): Warn about static variables
4467 used in extern inline functions.
4468 * c-decl.c (start_decl): Warn about static variables declared
4469 in extern inline functions.
4471 2006-10-31 Roger Sayle <roger@eyesopen.com>
4474 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4475 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4476 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4477 or y is an even integer.
4479 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4482 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4483 * gthr-posix95.h (__gthread_active_p): Likewise.
4485 2006-10-31 Richard Guenther <rguenther@suse.de>
4487 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4488 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4489 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4490 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4491 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4492 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4493 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4494 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4497 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4499 * opts.c (decode_options): Disable CSE skip blocks.
4501 2006-10-30 Dirk Mueller <dmueller@suse.de>
4503 * c-common.h (strict_aliasing_warning): Fix whitespace.
4504 * c-decl (start_function): Move code for main decl warning ..
4505 * c-common.c (check_main_parameter_types): .. here.
4506 * c-common.h (check_main_parameter_types): Declare.
4508 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4511 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4513 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4515 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4516 be a PARALLEL containing sets. Return false when out_pat is not
4519 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4521 * config/mips/mips.md (mul<mode>3): Split into...
4522 (mulsi3, muldi3): ...these separate patterns.
4524 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4526 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4527 but with each set of options separated by spaces.
4529 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4531 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4532 dwarf_reg_size_table has been initialized.
4534 2006-10-30 Roger Sayle <roger@eyesopen.com>
4536 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4537 * ddg.c (print_ddg_edge): Likewise.
4538 * dwarf2out.c (prune_unused_types_walk): Likewise.
4539 * ifcvt.c (noce_try_cmove_arith): Likewise.
4540 * langhooks.c (add_builtin_function): Likewise.
4541 * reg-stack.c (subst_stack_regs_pat): Likewise.
4542 * tree.c (expanded_location): Likewise.
4543 * tree-dump.c (dequeue_and_dump): Likewise.
4545 2006-10-30 David Daney <ddaney@avtrex.com>
4547 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4549 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4551 PR tree-optimization/29637
4552 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4553 of the innertype is the innertype itself.
4555 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
4557 * dwarf2out.c (file_name_acquire): Correct typo.
4559 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
4561 * tree.h (tree_value_handle): Remove struct value_set declaration.
4562 Change value_set to bitmap_set.
4563 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
4564 * tree-vn.c (get_value_handle): Made inline and moved to
4566 * tree-flow-inline.h: (has_stmt_ann): New function.
4567 * tree-ssa-pre.c (expressions): New variable.
4568 (next_expression_id): Ditto.
4569 (alloc_expression_id): New function.
4570 (struct value_set): Remove.
4571 (get_expression_id): New function.
4572 (get_or_alloc_expression_id): Ditto.
4573 (expression_for_id): Ditto.
4574 (clear_expression_ids): Ditto.
4575 (FOR_EACH_EXPR_ID_IN_SET): New macro.
4576 (bb_value_sets): Renamed to bb_bitmap_sets.
4577 All value sets replaced with bitmap_sets.
4579 (BB_VISITED): New macro.
4580 (postorder): New variable.
4581 (add_to_value): Removed.
4582 (value_exists_in_set_bitmap): Ditto.
4583 (value_insert_into_set_bitmap): Ditto.
4586 (set_remove): Ditto.
4587 (set_contains_value): Ditto.
4588 (insert_into_set): Ditto.
4590 (find_leader): Ditto.
4591 (bitmap_set_subtract_from_value_set): Ditto.
4592 (value_insert_into_set): Ditto.
4593 (print_value_set): Ditto.
4594 (debug_value_set): Ditto.
4595 (constant_expr_p): New function.
4596 (bitmap_remove_from_set): Ditto.
4597 (bitmap_insert_into_set): Ditto.
4598 (bitmap_set_free): Ditto.
4599 (vh_compare): Ditto.
4600 (sorted_array_from_bitmap_set): Ditto.
4601 (bitmap_set_subtract): Ditto.
4602 (bitmap_set_equal): Ditto.
4603 (debug_bitmap_set): Ditto.
4604 (find_leader_in_sets): Ditto.
4605 (bitmap_set_replace_value): Modify for bitmapped sets.
4606 (phi_translate): Ditto.
4607 (phi_translate_set): Ditto.
4608 (bitmap_find_leader): Ditto.
4609 (valid_in_sets): Ditto.
4610 (union_contains_value): Ditto.
4612 (compute_antic_aux): Ditto. Mark changed blocks.
4613 (compute_antic): Ditto. Iterate in postorder and only over
4615 (compute_rvuse_and_antic_safe): Reuse postorder.
4616 (create_component_ref_by_pieces): Modify for bitmapped sets.
4617 (find_or_generate_expression): Ditto.
4618 (create_expression_by_pieces): Ditto.
4619 (insert_into_preds_of_block): Ditto.
4620 (changed_blocks): New variable.
4621 (do_regular_insertion): Broken out from insert_aux.
4622 (insert_aux): Modified for bitmapped sets.
4623 (find_existing_value_expr): New function.
4624 (create_value_expr_from): Use it.
4625 (insert_extra_phis): Removed.
4626 (print_bitmap_set): Renamed from bitmap_print_value_set.
4627 (compute_avail): Handle RETURN_EXPR.
4628 (init_pre): Modify for bitmapped sets.
4629 * tree-flow.h (has_stmt_ann): New function.
4631 2006-10-29 Roger Sayle <roger@eyesopen.com>
4633 * builtins.c (fold_builtin_floor): Check for the availability of
4634 the C99 trunc function before transforming floor into trunc.
4636 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4638 * builtins.c (fold_builtin_hypot): Rearrange recursive
4639 transformation before others, and also do ABS_EXPR. When
4640 necessary, check flag_unsafe_math_optimizations. When necessary,
4643 2006-10-29 Roger Sayle <roger@eyesopen.com>
4645 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4646 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
4647 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
4648 Fold -X eq/ne -Y as X eq/ne Y.
4650 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4652 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4653 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
4654 rather than GENERATE_MULT3_SI in the various define_peephole2s.
4655 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
4656 Use an inclusive test for "mult" rather than "mul".
4657 (rotr<mode>3): Depend on ISA_HAS_ROR.
4658 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
4660 (GENERATE_MULT3_DI): Delete.
4661 (ISA_HAS_64BIT_REGS): Use consistent formatting.
4662 (ISA_HAS_MUL3): New macro.
4663 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
4664 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
4665 (ISA_HAS_CLZ_CLO): Likewise.
4666 (ISA_HAS_DCLZ_DCLO): Delete.
4667 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
4668 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
4669 the VR4120 and VR4130.
4670 (ISA_HAS_MACCHI): Use consistent formatting.
4671 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
4672 (ISA_HAS_ROR): ...this new macro.
4673 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
4674 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
4675 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
4677 2006-10-29 Roger Sayle <roger@eyesopen.com>
4679 PR tree-optimization/15458
4680 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
4683 2006-10-29 Richard Guenther <rguenther@suse.de>
4685 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
4686 (ix86_expand_truncdf_32): Likewise.
4687 * config/i386/i386.c (ix86_expand_trunc): New function expanding
4688 trunc inline for SSE math and -fno-trapping-math and if not
4689 optimizing for size.
4690 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
4691 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
4692 for expanding btrunc inline for SSE math.
4694 2006-10-29 Joseph Myers <joseph@codesourcery.com>
4696 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
4697 Handle tuning for bi-arch i[34567]86-*-linux* like that for
4698 i[34567]86-*-solaris2.1[0-9]*.
4699 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
4700 Define conditionally depending on TARGET_64BIT_DEFAULT.
4701 (SPEC_32, SPEC_64): Define.
4702 (LINK_SPEC): Use them.
4703 * doc/install.texi (--enable-targets=all): Document for x86-linux.
4705 2006-10-29 Richard Guenther <rguenther@suse.de>
4707 * config/i386/i386-protos.h (ix86_expand_round): Declare.
4708 (ix86_expand_rounddf_32): Likewise.
4709 * config/i386/i386.c (ix86_expand_round): New function expanding
4710 round inline for SSE math and -fno-trapping-math and if not
4711 optimizing for size.
4712 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
4713 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
4714 round via ix86_expand_round.
4716 2006-10-29 Richard Guenther <rguenther@suse.de>
4718 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4719 (ix86_expand_floorceildf_32): Likewise.
4720 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
4721 static helper function.
4722 (ix86_expand_floorceil): Expander for floor and ceil to SSE
4724 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
4725 * config/i386/i386.md (floordf2): Adjust to enable floor
4726 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
4727 -fno-trapping-math is enabled and if not optimizing for size.
4728 (floorsf2, ceildf2, ceilsf2): Likewise.
4729 * config/i386/sse.md (sse_maskcmpsf3): New insn.
4730 (sse2_maskcmpdf3): Likewise.
4732 2006-10-29 Richard Guenther <rguenther@suse.de>
4734 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
4735 rint in case -fno-trapping-math is enabled.
4736 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
4737 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
4738 (ix86_expand_sse_fabs): Likewise.
4739 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
4740 * config/i386/i386.md (rintdf2): Enable for SSE math if
4741 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
4742 (rintsf2): Likewise.
4744 2006-10-29 Richard Guenther <rguenther@suse.de>
4746 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
4747 to conversion optabs.
4748 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
4749 as conversion optab.
4750 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
4751 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
4752 (lfloor_optab, lceil_optab): Adjust defines.
4753 * builtins.c (expand_builtin_int_roundingfn): Adjust for
4754 lfloor and lceil optabs now being conversion optabs.
4755 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
4756 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
4757 New static helper function.
4758 (ix86_expand_lfloorceil): New function to expand lfloor and
4760 * config/i386/i386.md (lfloor<mode>2): Split into ...
4761 (lfloorxf<mode>2): ... x87 variant
4762 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
4763 using ix86_expand_lfloorceil.
4764 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
4766 * doc/md.texi (lfloorMN, lceilMN): Document.
4768 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4770 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4771 -mno-shared assembler option on mips targets.
4772 * configure, config.in: Regenerate.
4773 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
4774 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
4775 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
4777 2006-10-29 Richard Sandiford <richard@codesourcery.com>
4779 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
4780 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
4782 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
4784 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
4785 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
4788 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4791 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
4792 (fold_builtin_pow): Evaluate constant arguments at compile-time
4794 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
4795 (do_mpfr_ckconv): New helper function.
4796 (do_mpfr_arg1): Use do_mpfr_ckconv.
4797 (do_mpfr_arg2): New.
4799 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4802 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
4803 (-fdump-rtl-sched): Rename to ..
4804 (-fdump-rtl-sched1): here. Also fix file extension number.
4806 2006-10-28 Richard Guenther <rguenther@suse.de>
4808 * fold-const.c (maybe_canonicalize_comparison): Fix code
4811 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4813 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
4814 (NON_QI_REG_P): Use IN_RANGE.
4815 (REX_INT_REGNO_P): Use IN_RANGE.
4816 (FP_REGNO_P): Use IN_RANGE.
4817 (SSE_REGNO_P): Use IN_RANGE.
4818 (REX_SSE_REGNO_P): Use IN_RANGE.
4819 (MMX_REGNO_P): Use IN_RANGE.
4820 (STACK_REGNO_P): New macro.
4821 (STACK_REG_P): Use STACK_REGNO_P.
4822 (NON_STACK_REG_P): Use STACK_REGNO_P.
4823 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
4824 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
4825 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
4826 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
4827 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
4829 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
4831 * except.h (output_function_exception_table): Add 'const char*' param.
4832 * except.c (switch_to_exception_section): Add 'const char*' param.
4833 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4834 and flag_function_sections is set, use a function-specific section.
4835 (output_function_exception_table): Add 'const char*' param.
4836 Adjust call to switch_to_exception_section.
4837 * final.c (rest_of_handle_final): Adjust calls to
4838 output_function_exception_table.
4839 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
4840 * config.in: Regenerate.
4841 * configure: Likewise.
4843 2006-10-28 Richard Guenther <rguenther@suse.de>
4846 * fold-const.c (maybe_canonicalize_comparison_1): Helper
4847 for maybe_canonicalize_comparison.
4848 (maybe_canonicalize_comparison): New function for canonicalizing
4850 (fold_comparison): Call it to canonicalize comparisons with
4853 2006-10-28 Richard Guenther <rguenther@suse.de>
4856 * builtins.c (expand_builtin_int_roundingfn_2): Expand
4857 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
4858 (expand_builtin): Adjust likewise.
4859 * genopinit.c (optabs[]): Add lround optab.
4860 * optabs.c (init_optabs): Initialize lround_optab.
4861 * optabs.h (enum convert_optab_index): Add COI_lround.
4862 (lround_optab): Define.
4863 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
4864 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
4866 (ix86_expand_lround): New function.
4867 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
4869 * doc/md.texi (lroundMN2): Document.
4871 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4874 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
4875 argument to HOST_WIDE_INT. Update function prototype.
4876 (round_frame_size): Change return type to HOST_WIDE_INT. Change
4877 "size" argument to HOST_WIDE_INT. Update function prototype.
4879 2006-10-28 Uros Bizjak <uros@kss-loka.si>
4881 * config/i386/i386.c (output_387_ffreep): Create output from a
4882 template string for !HAVE_AS_IX86_FFREEP.
4884 2006-10-27 Eric Christopher <echristo@apple.com>
4886 * config/darwin.c: Fix formatting and grammar.
4888 2006-10-27 Jan Hubicka <jh@suse.cz>
4890 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
4891 to be thrown away soon when IGNORE is set.
4892 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
4893 indicating when return value shall not be computed.
4894 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
4896 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
4898 * config/i386/i386.h (TARGET_GEODE):
4899 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
4900 (TARGET_CPU_DEFAULT_geode): New macro.
4901 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
4902 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
4903 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
4904 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
4905 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
4907 (TARGET_CPU_DEFAULT_NAMES): Add geode.
4908 (processor_type): Add PROCESSOR_GEODE.
4910 * config/i386/i386.md: Include geode.md.
4913 * config/i386/i386.c (geode_cost): New initialized global
4915 (m_GEODE, m_K6_GEODE): New macros.
4916 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
4917 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
4918 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
4919 x86_schedule): Use m_K6_GEODE instead of m_K6.
4920 (x86_movx, x86_cmove): Set up m_GEODE.
4921 (x86_integer_DFmode_moves): Clear m_GEODE.
4922 (processor_target_table): Add entry for geode.
4923 (processor_alias_table): Ditto.
4925 * config/i386/geode.md: New file.
4927 * doc/invoke.texi: Add entry about geode processor.
4929 2006-10-27 Mike Stump <mrs@apple.com>
4931 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
4932 __DYNAMIC__ from here back to ...
4933 * config/darwin.h (CPP_SPEC): ... here.
4935 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4936 Nathan Sidwell <nathan@codesourcery.com>
4938 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
4939 when choosing the minimum heapsize.
4941 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
4943 * gcc/unwind-dw2.h: Move cfa-related variables into
4944 struct frame_state_reg_info to ensure that the CFA is properly
4945 handled when executing DW_CFA_{remember,restore}_state.
4946 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
4947 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
4948 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
4949 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
4950 gcc/config/rs6000/linux-unwind.h,
4951 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
4952 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
4953 Modify to use new cfa_* fields.
4955 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
4957 * config/s390/s390.c (s390_init_frame_layout): Check positive
4960 2006-10-26 Ben Elliston <bje@au.ibm.com>
4962 * gimplify.c (get_name): Remove extraneous break.
4963 (gimplify_omp_for): Initialise ret with GS_OK.
4965 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4967 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4968 Add unix98.o to link line.
4970 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4973 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4974 Calculate compile-time constants using MPFR.
4975 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4976 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4978 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4980 * config/xtensa/lib2funcs.S: Use C-style comments.
4982 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4984 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4985 (file_table_relative_p): Likewise.
4986 (dwarf2out_finish): Likewise.
4987 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4989 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4991 * tree-ssa-structalias.c (intra_create_variable_infos):
4992 Don't recreate nonlocal_all if it already exists.
4994 2006-10-25 Richard Guenther <rguenther@suse.de>
4997 * optabs.h (enum optab_index): Remove OTI_lrint.
4998 (enum convert_optab_index): Add COI_lrint.
4999 (lrint_optab): Adjust.
5000 (expand_sfix_optab): Declare.
5001 * optabs.c (expand_sfix_optab): New function.
5002 (init_optabs): Init lrint_optab as conversion optab.
5003 * genopinit.c (lrint_optab): Change to a conversion optab.
5004 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5005 expansion via conversion optab.
5006 * config/i386/i386.md (*fistdi2_1): Remove
5007 flag_unsafe_math_optimizations guard.
5008 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5009 fist<mode>2_with_temp): Likewise.
5010 (lrint<mode>2): Split into...
5011 (lrintxf<mode>2): ... x87 part
5012 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5013 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5014 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5015 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5016 * doc/md.texi (lrintMN2): Document.
5018 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5021 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5022 Use inc and dec instructions for TARGET_USE_INCDEC.
5023 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5024 ("sync_double_compare_and_swap<mode>"): Likewise.
5025 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5026 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5027 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5028 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5029 ("sync_old_add<mode>"): Likewise.
5030 ("sync_lock_test_and_set<mode>"): Likewise.
5031 ("sync_lock_test_and_set<mode>"): Likewise.
5032 ("sync_add<mode>"): Likewise.
5033 ("sync_sub<mode>"): Likewise.
5034 ("sync_ior<mode>"): Likewise.
5035 ("sync_and<mode>"): Likewise.
5036 ("sync_xor<mode>"): Likewise.
5038 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5040 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5041 (remainder_optab): Define corresponding macro.
5042 (drem_optab): Remove.
5043 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5044 drem_optab initialization.
5045 * genopinit.c (optabs): Implement remainder_optab using
5046 remainder?f3 patterns. Remove drem_optab.
5047 * builtins.c (expand_builtin_mathfn_2): Handle
5048 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5049 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5050 expand_builtin_mathfn_2.
5052 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5053 depend on flag_unsafe_math_optimizations.
5055 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5056 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5057 Do not depend on flag_unsafe_math_optimizations. Use
5058 truncxf?f expander instead of truncxf?f_i387_noop.
5060 ("fpremxf4", "fprem1xf4"): Do not depend on
5061 flag_unsafe_math_optimizations.
5062 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5063 flag_unsafe_math_optimizations. Use truncxf?f expander
5064 instead of truncxf?f_i387_noop.
5066 * doc/md.texi (fmod, remainder): Document standard named pattern.
5068 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5069 David Daney <ddaney@avtrex.com>
5072 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5074 2006-10-25 Ben Elliston <bje@au.ibm.com>
5076 * doc/extend.texi (Variable Attributes): Typo fix.
5078 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5080 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5081 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5082 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5083 (FRAME_POINTER_REGNUM): Update register number to 21.
5084 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5085 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5087 * config/i386/i386.c (regclass_map): Add fpcr entry.
5088 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5090 (print_reg): Assert REGNO (x) != FPCR_REG.
5092 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5093 (DIRFLAG_REG): Renumber.
5094 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5095 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5096 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5097 hardcoded SSE register numbers.
5099 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5100 hardcoded MMX register numbers.
5102 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5105 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5106 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5108 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5109 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5110 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5111 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5113 2006-10-24 Richard Guenther <rguenther@suse.de>
5116 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5117 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5118 for deciding optimizations in consistency with fold-const.c
5119 (fold_builtin_unordered_cmp): Likewise.
5121 2006-10-24 Richard Guenther <rguenther@suse.de>
5123 * builtins.c (fold_builtin_floor): Fold floor (x) where
5124 x is nonnegative to trunc (x).
5125 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5126 nonnegative to FIX_TRUNC_EXPR.
5128 2006-10-24 Richard Guenther <rguenther@suse.de>
5130 PR tree-optimization/29567
5131 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5132 for TRUTH_NOT_EXPR. Clarify comments.
5134 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5137 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5138 at compile-time using MPFR. Change parameter VALUE to FUNC,
5140 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5141 for overflow and underflow at all times and avoid folding in
5144 2006-10-24 Ben Elliston <bje@au.ibm.com>
5146 * reload1.c: Formatting fixes.
5148 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5150 PR tree-optimization/14784
5151 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5152 * tree-ssa-structalias.c (get_constraint_for,
5153 intra_create_variable_infos): Set is_heapvar.
5154 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5155 non-heapvar pointer variables specially.
5157 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5160 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5161 fold_builtin_tan): Fold all constant arguments. Take a "type"
5162 argument as necessary.
5163 (do_mpfr_arg1): New.
5164 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5166 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5168 * config/xtensa/lib1funcs.asm: Use C-style comments.
5170 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5172 * tree.c (local_define_builtin): Replace calls to
5173 lang_hooks.builtin_function with add_builtin_function.
5174 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5176 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5178 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5179 common code to add_builtin_function.
5180 * langhooks.c (add_builtin_function): New function.
5181 (lhd_builtin_function): New function.
5182 * langhooks.h (struct lang_hooks): Change the signature of
5184 (add_builtin_function): New function.
5185 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5186 calls to lang_hooks.builtin_function with add_builtin_function.
5187 * c-common.c (decl_builtin_1): Replace calls to
5188 lang_hooks.builtin_function with add_builtin_function.
5189 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5190 lang_hooks.builtin_function with add_builtin_function.
5191 * config/frv/frv.c (def_builtin): Replace calls to
5192 lang_hooks.builtin_function with add_builtin_function.
5193 * config/s390/s390.c (s390_init_builtins): Replace calls to
5194 lang_hooks.builtin_function with add_builtin_function.
5195 * config/sparc/sparc.c (def_builtin): Replace calls to
5196 lang_hooks.builtin_function with add_builtin_function.
5197 * config/i386/i386.c (def_builtin): Replace calls to
5198 lang_hooks.builtin_function with add_builtin_function.
5199 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5200 lang_hooks.builtin_function with add_builtin_function.
5201 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5202 lang_hooks.builtin_function with add_builtin_function.
5203 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5204 Replace calls to lang_hooks.builtin_function with
5205 add_builtin_function.
5206 * config/iq2000/iq2000.c (def_builtin):
5207 Replace calls to lang_hooks.builtin_function with
5208 add_builtin_function.
5209 * config/ia64/ia64.c (def_builtin): Replace calls to
5210 lang_hooks.builtin_function with add_builtin_function.
5211 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5212 lang_hooks.builtin_function with add_builtin_function.
5213 (altivec_init_builtins): Replace calls to
5214 lang_hooks.builtin_function with add_builtin_function.
5215 * config/arm/arm.c (def_mbuiltin): Replace calls to
5216 lang_hooks.builtin_function with add_builtin_function.
5217 (arm_init_tls_builtins): Replace calls to
5218 lang_hooks.builtin_function with add_builtin_function.
5219 * config/mips/mips.c (mips_init_builtins): Replace calls to
5220 lang_hooks.builtin_function with add_builtin_function.
5221 * config/bfin/bfin.c (def_builtin): Replace calls to
5222 lang_hooks.builtin_function with add_builtin_function.
5223 * langhooks-def.h (lhd_builtin_function): New function.
5224 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5226 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5228 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5229 BUILT_IN_STRNCAT_CHK.
5231 2006-10-23 Jan Hubicka <jh@suse.cz>
5233 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5234 don't do conversion from memmove to memcpy here.
5235 (expand_builtin_bcopy, expand_builtin): Update call of
5236 expand_builtin_memmove.
5237 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5239 2006-10-23 Paul Brook <paul@codesourcery.com>
5241 * stor-layout.c (start_record_layout): maximum_field_alignment
5242 overrides STRUCTURE_SIZE_BOUNDARY.
5244 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5246 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5247 nonlocal function symbols if flag_pic.
5249 2006-10-23 Richard Guenther <rguenther@suse.de>
5253 * builtins.c (fold_binary): Remove checks for flag_wrapv
5254 and flag_trapv where negate_expr_p covers these cases.
5256 2006-10-23 Richard Guenther <rguenther@suse.de>
5259 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5260 of two on the absolute value.
5261 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5262 and negating -C does not overflow.
5264 2006-10-23 Richard Guenther <rguenther@suse.de>
5267 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5268 only if not flag_rounding_math.
5270 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5271 Kaz Kojima <kkojima@gcc.gnu.org>
5274 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5275 SImode memory reference for the source of a movua.
5276 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5277 (movua): Use an unspec instead of sign_extract. Expect the source
5278 to have mode BLKmode.
5279 (extv, insv): Use a BLKmode rather than SImode memory reference
5280 for the source of a movua.
5282 2006-10-22 Jeff Law <law@redhat.com>
5283 Richard Guenther <rguenther@suse.de>
5285 PR tree-optimization/15911
5286 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5287 (register_edge_assert_for_1): Likewise.
5288 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5289 (find_conditional_asserts): Adjust for new function signature.
5290 (find_assert_locations): Likewise.
5292 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5294 * config/i386/tmmintrin.h: Remove the duplicated content.
5296 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5298 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5299 (x86_64-*-*): Likewise.
5301 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5302 (override_options): Check SSSE3.
5303 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5304 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5305 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5306 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5307 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5308 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5309 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5310 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5311 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5312 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5313 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5314 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5315 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5316 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5317 IX86_BUILTIN_PABSD128.
5318 (bdesc_2arg): Add SSSE3.
5319 (bdesc_1arg): Likewise.
5320 (ix86_init_mmx_sse_builtins): Support SSSE3.
5321 (ix86_expand_builtin): Likewise.
5322 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5324 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5325 (UNSPEC_PSIGN): Likewise.
5326 (UNSPEC_PALIGNR): Likewise.
5327 Include mmx.md before sse.md.
5329 * config/i386/i386.opt: Add -mssse3.
5331 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5332 (ssse3_phaddwv4hi3): Likewise.
5333 (ssse3_phadddv4si3): Likewise.
5334 (ssse3_phadddv2si3): Likewise.
5335 (ssse3_phaddswv8hi3): Likewise.
5336 (ssse3_phaddswv4hi3): Likewise.
5337 (ssse3_phsubwv8hi3): Likewise.
5338 (ssse3_phsubwv4hi3): Likewise.
5339 (ssse3_phsubdv4si3): Likewise.
5340 (ssse3_phsubdv2si3): Likewise.
5341 (ssse3_phsubswv8hi3): Likewise.
5342 (ssse3_phsubswv4hi3): Likewise.
5343 (ssse3_pmaddubswv8hi3): Likewise.
5344 (ssse3_pmaddubswv4hi3): Likewise.
5345 (ssse3_pmulhrswv8hi3): Likewise.
5346 (ssse3_pmulhrswv4hi3): Likewise.
5347 (ssse3_pshufbv16qi3): Likewise.
5348 (ssse3_pshufbv8qi3): Likewise.
5349 (ssse3_psign<mode>3): Likewise.
5350 (ssse3_psign<mode>3): Likewise.
5351 (ssse3_palignrti): Likewise.
5352 (ssse3_palignrdi): Likewise.
5353 (abs<mode>2): Likewise.
5354 (abs<mode>2): Likewise.
5356 * config/i386/tmmintrin.h: New file.
5358 * doc/extend.texi: Document SSSE3 built-in functions.
5360 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5362 2006-10-22 Ira Rosen <irar@il.ibm.com>
5364 * tree-vect-transform.c (vectorizable_load): Use the type of the
5365 return value of the mask_for_load builtin to create realign_load
5368 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5370 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5373 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5375 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5376 (UNSPEC_LDDQU): This.
5377 * config/i386/sse.md (sse3_lddqu): Updated.
5379 2006-10-21 Richard Guenther <rguenther@suse.de>
5381 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5382 (expand_builtin): Use it to expand lrint instead of
5383 expand_builtin_mathfn.
5385 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5388 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5389 flag_unsafe_math_optimizations is set.
5391 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5394 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5395 patterns to use memory input operand in x87->mem->XMM
5396 reload sequences. Skip transformation for TARGET_K8.
5398 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5400 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5401 force operand1 to register if both operands are memory operands.
5402 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5403 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5404 if both operands are memory operands.
5405 (truncdfsf2): Do not force operand1 to register if both operands
5406 are memory operands.
5408 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5410 * Makefile.in (LIBS): Add $(GMPLIBS).
5411 * doc/install.texi: Update GMP and MPFR requirements.
5412 * doc/sourcebuild.texi (need_gmp): Delete.
5414 2006-10-21 Richard Guenther <rguenther@suse.de>
5416 PR tree-optimization/3511
5417 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5418 got new invariant arguments during PHI translation.
5420 2006-10-21 Richard Guenther <rguenther@suse.de>
5423 * fold-const.c (fold_comparison): Fold signed comparisons
5424 of the form X +- C1 CMP Y +- C2.
5426 2006-10-21 Richard Guenther <rguenther@suse.de>
5429 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5430 if flag_unsafe_math_optimizations is specified. We have
5431 flag_finite_math_only for that.
5432 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5433 or flag_unsafe_math_optimizations.
5435 2006-10-21 Richard Guenther <rguenther@suse.de>
5437 * builtins.c (fold_builtin_classify): Fix typo.
5439 2006-10-21 Richard Guenther <rguenther@suse.de>
5442 * simplify-rtx.c (simplify_const_relational_operation):
5443 Do not constant-fold ORDERED and UNORDERED for
5444 flag_unsafe_math_optimizations but only we do not need to
5445 honor NaNs for the given mode.
5447 2006-10-21 Richard Guenther <rguenther@suse.de>
5450 * config/i386/i386.c (classify_argument): Remove redundant
5451 walking of the BINFOs.
5452 (contains_128bit_aligned_vector_p): Likewise.
5454 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5456 * BASE-VER: Set to 4.3.0.
5458 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5460 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5461 (tree_decl_with_vis): Remove artificial_pta_var flag.
5462 * tree-flow.h (referenced_var_check_and_insert): Expose.
5463 (nonlocal_all): New prototype.
5464 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5465 (nonlocal_all): Make global.
5466 (nonlocal_lookup): Remove.
5467 (nonlocal_insert): Ditto.
5468 (create_nonlocal_var): Do not call nonlocal_insert.
5469 (get_nonlocal_id_for_type): Remove.
5470 (find_global_initializers): Mark new vars we find for renaming.
5471 (intra_create_variable_infos): Only create one nonlocal.
5472 (expand_nonlocal_solutions): Remove.
5473 (compute_points_to_sets): Don't call it.
5474 (ipa_pta_execute): Ditto.
5475 (init_alias_heapvars): Don't create nonlocal_for_type.
5476 (delete_alias_heapvars): Don't remove it.
5477 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5480 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5482 * doc/install.texi (Downloading GCC): Clarify mention of
5483 Fortran in the "full distribution" description.
5485 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5487 Fix PR tree-optimization/28778
5488 Fix PR tree-optimization/29156
5489 Fix PR tree-optimization/29415
5490 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5491 (tree_decl_with_vis): Add artificial_pta_var flag.
5492 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5493 pushed into callers.
5494 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5495 (nonlocal_all): Ditto.
5496 (struct variable_info): Add directly_dereferenced member.
5497 (var_escaped_vars): New variable.
5498 (escaped_vars_tree): Ditto.
5499 (escaped_vars_id): Ditto.
5500 (nonlocal_vars_id): Ditto.
5501 (new_var_info): Set directly_dereferenced.
5502 (graph_size): New variable
5503 (build_constraint_graph): Use graph_size.
5504 (solve_graph): Don't process constraints that cannot change the
5505 solution, don't try to propagate an empty solution to our
5507 (process_constraint): Set directly_dereferenced.
5508 (could_have_pointers): New function.
5509 (get_constraint_for_component_ref): Don't process STRING_CST.
5510 (nonlocal_lookup): New function.
5511 (nonlocal_insert): Ditto.
5512 (create_nonlocal_var): Ditto.
5513 (get_nonlocal_id_for_type): Ditto.
5514 (get_constraint_for): Allow results vector to be empty in the case
5515 of string constants.
5516 Handle results of calls properly.
5517 (update_alias_info): Update alias info stats on number and type of
5519 (find_func_aliases): Use could_have_pointers.
5520 (make_constraint_from_escaped): Renamed from
5521 make_constraint_to_anything, and changed to make constraints from
5523 (make_constraint_to_escaped): New function.
5524 (find_global_initializers): Ditto.
5525 (create_variable_info_for): Make constraint from escaped to any
5526 global variable, and from any global variable to the set of
5528 (intra_create_variable_infos): Deal with escaped instead of
5529 pointing to anything.
5530 (set_uids_in_ptset): Do type pruning on directly dereferenced
5532 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5533 (init_base_vars): Fix comment, and initialize escaped_vars.
5534 (need_to_solve): Removed.
5535 (find_escape_constraints): New function.
5536 (expand_nonlocal_solutions): Ditto.
5537 (compute_points_to_sets): Call find_escape_constraints and
5538 expand_nonlocal_solutions.
5539 (delete_points_to_sets): Don't fall off the end of the graph.
5540 (init_alias_heapvars): Initialize nonlocal_for_type and
5542 (delete_alias_heapvars): Free nonlocal_for_type and null out
5545 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5547 * fold-const.c (add_double): Rename to add_double_with_sign.
5548 Add 'unsigned_p' parameter and take it into account for the overflow.
5549 (mul_double): Rename to mul_double_with_sign.
5550 Add 'unsigned_p' parameter and take it into account for the overflow.
5551 (fold_div_compare): Call add_double_with_sign instead of add_double
5552 and mul_double_with_sign instead of mul_double, passing them the
5553 unsignedness of the type.
5554 * tree.h (add_double): Macroize.
5555 (add_double_with_sign): New prototype.
5556 (mul_double): Macroize.
5557 (mul_double_with_sign): New prototype.
5559 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
5561 * config/score/crti.asm: New file.
5562 * config/score/crtn.asm: New file.
5563 * config/score/elf.h: New file.
5564 * config/score/mac.md: New file.
5565 * config/score/misc.md: New file.
5566 * config/score/mul-div.S: New file.
5567 * config/score/predicates.md: New file.
5568 * config/score/score7.md: New file.
5569 * config/score/score.c: New file.
5570 * config/score/score-conv.h: New file.
5571 * config/score/score.h: New file.
5572 * config/score/score.md: New file.
5573 * config/score/score-mdaux.c: New file.
5574 * config/score/score-mdaux.h: New file.
5575 * config/score/score-modes.def: New file.
5576 * config/score/score.opt: New file.
5577 * config/score/score-protos.h: New file.
5578 * config/score/score-version.h: New file.
5579 * config/score/t-score-elf: New file.
5580 * config.gcc: Add score*-*-* configurations(Update before).
5581 * doc/invoke.texi (Score Options): New section.
5582 * doc/md.texi (Score family): New section to document constraints.
5584 2006-10-19 Nick Clifton <nickc@redhat.com>
5586 * config/arm/arm.c: Fix spelling typo.
5588 2006-10-18 Tom Tromey <tromey@redhat.com>
5590 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
5592 2006-10-18 Jan Hubicka <jh@suse.cz>
5595 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
5598 2006-10-18 Marcin Dalecki <martin@dalecki.de>
5600 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
5601 TSI_SAME_STMT, since that's the desired entity.
5603 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
5605 * config/s390/contraints.md: New file.
5606 * config/s390/s390-protos.h (s390_mem_constraint,
5607 s390_O_constraint_str, s390_N_constraint_str,
5608 s390_float_const_zero_p): Function prototypes added.
5609 * config/s390/s390.c (s390_extra_constraint_str,
5610 s390_const_double_ok_for_constraint_p,
5611 s390_const_ok_for_constraint_p): Functions removed.
5612 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
5613 s390_float_const_zero_p): New functions.
5614 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
5615 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
5616 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
5617 Macro definitions removed.
5618 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
5619 s390_extra_constraint_str): Functions removed.
5621 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
5622 Richard Sandiford <richard@codesourcery.com>
5625 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
5626 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
5628 2006-10-16 Geoffrey Keating <geoffk@apple.com>
5630 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
5631 (DWARF2_FRAME_REG_OUT): Likewise.
5632 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
5633 (DWARF2_FRAME_REG_OUT): Likewise.
5635 2006-10-17 Paul Brook <paul@codesourcery.com>
5637 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
5639 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5641 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
5642 Standardize on "GNU Fortran" as the official name of the Fortran
5645 2006-10-16 Mike Stump <mrs@apple.com>
5647 * doc/invoke.texi (Darwin Options): Document -mkernel.
5648 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
5650 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
5651 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
5652 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
5653 (OS_MISSING_ALTIVEC): Add.
5654 * config/i386/i386.c (override_options): Add
5655 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
5656 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
5657 -mkernel, -static or -mdynamic-no-pic is given.
5658 (C_COMMON_OVERRIDE_OPTIONS): Add.
5659 * config/darwin.opt (fapple-kext): Add.
5661 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
5662 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
5664 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
5665 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
5666 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
5667 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
5668 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
5669 (flag_mkernel): Add.
5670 (flag_apple_kext): Add.
5671 (TARGET_KEXTABI): Add.
5672 * config/darwin.c (darwin_handle_kext_attribute): Add.
5673 (DARWIN_VTABLE_P): Add.
5674 (darwin_binds_local_p): Add partial support for rebinding vtables
5676 (darwin_kextabi_p): Add.
5677 (darwin_override_options): Add.
5678 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
5679 (darwin_kextabi_p): Add.
5680 (darwin_override_options): Add.
5681 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
5682 __DYNAMIC__ and __STATIC__ here.
5684 2006-10-16 Brooks Moses <bmoses@stanford.edu>
5686 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
5687 Added mention of "make pdf" target, and Texinfo requirements for
5690 2006-10-16 DJ Delorie <dj@redhat.com>
5692 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
5693 into the GOT in case we need a subreg of the address.
5695 2006-10-16 Richard Guenther <rguenther@suse.de>
5698 * doc/extend.texi (X86 Built-in Functions): Fix typos in
5699 SSE builtin documentation. Document SSE2 builtins.
5701 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5703 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
5704 symbol in the output file for non-shared links when -nostdlib or
5705 -nodefaultlibs isn't specified.
5707 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
5708 posix thread support.
5710 2006-10-15 Jan Hubicka <jh@suse.cz>
5713 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
5714 declared always_inline even when not inlining.
5716 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5717 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5718 Andrew Pinski <pinskia@gmail.com>
5721 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
5723 2006-10-15 Jan Hubicka <jh@suse.cz>
5724 Richard Guenther <rguenther@suse.de>
5727 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
5728 process_function_and_variable_attributes on all variables, including
5729 those discovered during cgraph construction phase.
5731 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
5733 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
5735 2006-10-14 Uros Bizjak <uros@kss-loka.si>
5737 * config/i386/athlon.md (athlon_fist): Add fisttp.
5739 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5740 Ian Lance Taylor <ian@airs.com>
5743 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
5744 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
5747 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
5749 * config/score/score.c, config/score/score.h: Fix comment
5752 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5755 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
5758 2006-10-13 Eric Christopher <echristo@apple.com>
5760 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
5762 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5765 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5766 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5767 alignment supported by 32-bit ELF.
5769 2006-10-13 Eric Christopher <echristo@apple.com>
5771 * config/darwin.c (darwin_emit_unwind_label): Strip
5772 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
5774 2006-10-13 Richard Guenther <rguenther@suse.de>
5776 PR tree-optimization/29446
5777 * tree-vrp.c (fix_equivalence_set): Remove.
5778 (extract_range_from_assert): Do not call fix_equivalence_set.
5779 (debug_value_range): Print a newline.
5780 (compare_name_with_value): For equivalence sets with
5781 inconsistent value ranges conservatively bail out.
5782 (compare_names): Likewise.
5784 2006-10-13 David Edelsohn <edelsohn@gnu.org>
5786 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
5787 and MPFR for gfortran.
5789 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
5791 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
5792 alignment supported by 32-bit ELF.
5794 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
5798 * c-typeck.c (digest_init): Always allow initializing vectors
5799 that have static storage duration with compound literals.
5800 * tree.c (build_type_attribute_qual_variant): New, based on
5801 build_type_attribute_variant.
5802 (build_type_attribute_variant): Rewrite using the former.
5803 (make_vector_type): Use build_type_attribute_qual_variant to build
5804 type variants. Use type_hash_canon on the others.
5806 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
5807 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
5809 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
5811 2006-10-12 Jan Hubicka <jh@suse.cz>
5814 * c-decl.c (c_make_fname_decl): Do not segfault in case where
5815 current_function_decl is set but current_function_scope is not.
5817 2006-10-12 Jie Zhang <jie.zhang@analog.com>
5819 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
5820 emit_insn to emit eh_return_internal instruction.
5821 (eh_return_internal): Explicitly set pc.
5823 2006-10-11 Richard Guenther <rguenther@suse.de>
5825 PR tree-optimization/28230
5826 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
5827 to the correct place.
5829 2006-10-11 Richard Guenther <rguenther@suse.de>
5832 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
5835 2006-10-10 Brooks Moses <bmoses@stanford.edu>
5837 * configure.ac: Added pdf to "Make-hooks"
5838 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
5839 targets and *.pdf file patterns in cleanup targets.
5840 * configure: Regenerated.
5842 2006-10-10 Anatoly Sokolov <aesok@post.ru>
5844 * config/avr/predicates.md: New file.
5845 * config/avr/avr.md: Include it.
5846 (REG_SP): New constant.
5847 (peepholes): Use predicates.
5848 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
5849 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
5850 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
5852 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
5854 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
5857 2006-10-10 Jakub Jelinek <jakub@redhat.com>
5860 * builtins.c (var_decl_component_p): New function.
5861 (fold_builtin_memset, fold_builtin_memory_op): Restrict
5862 single entry optimization to variables and components thereof.
5864 2006-10-10 Richard Guenther <rguenther@suse.de>
5866 PR rtl-optimization/29323
5867 * except.c (set_nothrow_function_flags): For functions
5868 that do not bind local bail out early.
5870 2006-10-10 Ben Elliston <bje@au.ibm.com>
5872 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
5875 2006-10-09 Richard Henderson <rth@redhat.com>
5877 Revert emutls patch.
5879 2006-10-09 Richard Guenther <rguenther@suse.de>
5882 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
5885 2006-10-09 Steve Ellcey <sje@cup.hp.com>
5888 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
5889 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
5890 * configure: Regenerate.
5891 * config.in: Regenerate.
5893 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
5895 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
5897 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5899 * config/mips/mips.c (mips_legitimize_tls_address): Implement
5900 all TLS models in the same way as local exec if !TARGET_ABICALLS.
5901 Remove stray newline.
5903 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5905 * config/mips/mips.c (mips_classify_symbol): Do not return
5906 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
5907 (mips_in_small_data_p): Tweak comments.
5909 2006-10-08 Richard Sandiford <richard@codesourcery.com>
5911 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
5913 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
5915 * gimplify.c, sched-int.h: Fix comment typos.
5917 * sched-int.h: Fix comment typos.
5919 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5921 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
5923 * sched-ebb.c (begin_schedule_ready): Use them.
5924 * haifa-sched.c (schedule_insn, move_insn, try_ready,
5925 add_to_speculative_block, create_check_block_twin, speculate_insn,
5926 fix_jump_move, move_block_after_check): Ditto.
5927 * sched-rgn.c (new_ready): Ditto.
5929 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5931 PR rtl-optimization/29128
5932 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
5933 * sched-ebb.c (advance_target_bb): Use it to fix condition to
5934 allow interblock movement of speculation checks.
5936 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
5939 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
5940 casted to integer type.
5941 (get_address_cost): Decrease cost of [symbol + index] addressing modes
5942 if they are significantly more expensive than [reg + index] ones.
5944 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5946 PR tree-optimization/29330
5947 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5948 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
5949 on newly allocated ddrs.
5950 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
5951 to VEC (loop_p, heap) pointer.
5952 (compute_data_dependences_for_loop): Adjust caller.
5953 (free_dependence_relations): Free DDR_LOOP_NEST.
5955 * tree-loop-linear.c (linear_transform_loops): Don't forget to
5956 free DEPENDENCE_RELATIONS and DATAREFS.
5959 * builtins.c (expand_builtin_sync_operation,
5960 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
5961 Use convert_to_mode to handle promoted arguments.
5963 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5965 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5967 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5969 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5971 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5973 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5974 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5975 Use <modeconstraint> instead of "r" as operand 1 constraint.
5977 2006-10-06 Olivier Hainque <hainque@adacore.com>
5979 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5980 Don't recurse on the pointed-to type.
5981 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5982 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5983 types with components of variable size.
5985 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5987 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5989 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5991 PR tree-optimization/29290
5992 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5996 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5997 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6000 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6001 the number of vector elements fill the rest with zeros.
6003 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6005 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6006 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6009 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6011 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6012 unnamed pattern into subsi3. Use correct constraints/predicates.
6013 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6014 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6016 2006-10-05 Ira Rosen <irar@il.ibm.com>
6018 * doc/loop.texi: Add data references analysis description.
6020 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6022 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6024 2006-10-04 Richard Henderson <rth@redhat.com>
6025 Jakub Jelinek <jakub@redhat.com>
6027 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6028 * builtin-types.def (BT_WORD): Make unsigned.
6029 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6030 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6031 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6032 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6033 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6034 * cgraph.c (decide_is_variable_needed): Look at force_output.
6035 Recurse for emulated tls.
6036 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6037 checks redundant with decide_is_variable_needed.
6038 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6039 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6041 * expr.c (emutls_var_address): New.
6042 (expand_expr_real_1): Expand emulated tls.
6043 (expand_expr_addr_expr_1): Likewise.
6044 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6045 * output.h (emutls_finish): Declare.
6046 * toplev.c (compile_file): Call it.
6047 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6048 address before wrapping in CONST.
6049 * varasm.c (emutls_htab, emutls_object_type): New.
6050 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6051 (get_emutls_object_name, get_emutls_object_type): New.
6052 (get_emutls_init_templ_addr, emutls_decl): New.
6053 (emutls_common_1, emutls_finish): New.
6054 (assemble_variable): When emulating tls, swap decls; generate
6055 constructor for the emutls objects.
6056 (do_assemble_alias): When emulating tls, swap decl and target name.
6057 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6059 * emutls.c: New file.
6060 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6061 tls_object for real tls.
6063 2006-10-04 Zack Weinberg <zackw@panix.com>
6065 Fix bug in constraint-check generator, reported by Rask Ingemann
6067 * genpreds.c (add_constraint): Don't remove anything from the
6069 (write_tm_constrs_h): Detect whether "op" argument is used, and
6070 mark it ARG_UNUSED if it isn't.
6071 (write_insn_const_int_ok_for_constraint): Skip the part of the
6072 expression that would test whether "op" (which is not available
6073 here) is a CONST_INT.
6075 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6078 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6080 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6082 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6083 current Leopard versions.
6084 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6086 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6088 * doc/install.texi: Fix typos.
6090 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6092 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6093 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6094 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6096 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6098 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6099 arg to be struct mach_header_64* instead.
6101 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6104 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6105 side effects after the outer expression's post side effects.
6107 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6109 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6110 comments to reflect actual behavior and relationship between
6111 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6113 * doc/c-tree.texi (Working with declarations): Fix documentation
6114 of FIELD_DECL likewise.
6116 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6119 * doc/extend.texi: Add used variable attribute description.
6121 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6124 * c.opt (Woverride-init): New.
6125 * c-opts.c (c_common_post_options): Default warn_override_init to
6127 * c-typeck.c (add_pending_init, output_init_element): Warn for
6128 overriding initializers without side effects.
6129 * doc/invoke.texi (-Woverride-init): Document.
6132 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6134 PR rtl-optimization/28096
6135 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6136 assignment has already been used as a destination earlier in the block.
6138 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6140 * builtins.c (expand_builtin_setjmp): Delete.
6141 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6142 <BUILT_IN_SETJMP_SETUP>: New case.
6143 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6144 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6145 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6146 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6147 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6148 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6149 (lower_function_body): Initialize it to false. If it is set to true
6150 at the end of the processing, emit the setjmp dispatcher.
6151 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6152 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6153 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6154 on the rhs of the assignment.
6155 (lower_builtin_setjmp): New function.
6156 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6157 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6158 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6159 to detect calls that can go to non-local labels. Use specific
6160 helper to create the abnormal edges associated with them.
6161 <MODIFY_EXPR>: Likewise.
6162 (make_abnormal_goto_edges): New function extracted from...
6163 (make_goto_expr_edges): ...here. Call it for computed gotos.
6164 (simple_goto_p): Minor tweak.
6165 (tree_can_make_abnormal_goto): New predicate.
6166 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6167 (tree_purge_dead_abnormal_call_edges): New function.
6168 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6169 (tree_purge_dead_abnormal_call_edges): Likewise.
6170 (make_abnormal_goto_edges): Likewise.
6171 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6172 Purge all dead abnormal edges if the call was in the last statement.
6173 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6174 (execute_fixup_cfg): If there are non-local labels in the function,
6175 scan the basic blocks and split them at calls that can go to non-local
6176 labels or add missing abnormal call edges. Write down the CFG in the
6178 (pass_fixup_cfg): Remove TODO_dump_func flag.
6179 * unwind-sjlj.c: Poison setjmp.
6180 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6181 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6182 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6183 (DONT_USE_BUILTIN_SETJMP): Document it.
6185 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6188 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6189 to 1 when __ppc64__ is defined.
6190 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6192 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6194 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6196 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6197 * config/ia64/unwind-hpux.c: Delete.
6199 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6201 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6202 on the element before gimplifying it, instead of punting if it is of
6205 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6207 * doc/loop.texi: New file.
6208 * doc/gccint.texi: Reference loop.texi.
6209 * Makefile.in (loop.texi): Add.
6211 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6213 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6215 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6216 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6218 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6220 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6222 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6224 * doc/install.texi: Document required versions of GMP and MPFR.
6226 2006-09-27 Paul Brook <paul@codesourcery.com>
6229 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6231 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6233 * reload1.c (alter_reg): Require the alignment of the stack slot to
6234 be at least reg_max_ref_width bytes.
6235 (scan_paradoxical_subregs): Record the largest width in
6238 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6242 * tree-nested.c (struct nesting_info): Added static_chain_added.
6243 (convert_call_expr): Set static_chain_added when adding static
6244 chain. Handle OMP_PARALLEL and OMP_SECTION.
6246 2006-09-25 Matthias Klose <doko@debian.org>
6248 * doc/invoke.texi: Add missing full stop.
6250 2006-09-25 Richard Henderson <rth@redhat.com>
6252 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6253 before cgraph_function_flags_ready.
6255 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6256 Adam Nemet <anemet@caviumnetworks.com>
6258 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6259 determine_common_wider_type): New functions.
6260 (get_computation_aff): Use them to simplify arithmetic between
6261 UBASE and CBASE if they are shortened from the same type.
6263 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6266 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6267 -2147483647 - 1 instead of 0x80000000.
6269 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6271 * flags.h (HONOR_NANS): Fix typo in comment.
6273 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6275 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6277 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6281 * tree.c (merge_attributes, attribute_list_contained): If both
6282 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6284 * c-typeck.c (comptypes_internal): Don't consider aggregates
6285 in different TUs as compatible if there one set of attributes is
6286 not a subset of the other type's attributes.
6287 (composite_type): Try harder not to create a new aggregate type.
6289 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6291 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6292 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6293 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6294 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6295 than replicating condition above.
6296 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6298 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6299 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6300 the linker by default.
6302 2006-09-22 Mike Stump <mrs@apple.com>
6304 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6307 2006-09-22 Richard Guenther <rguenther@suse.de>
6310 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6311 sort of stack variables stable.
6313 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6316 * explow.c (force_reg): Set REG_POINTER flag according to
6319 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6321 PR tree-optimization/28888
6322 * tree-if-conv.c (combine_blocks): Rewritten.
6323 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6324 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6326 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6328 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6331 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6333 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6335 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6337 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6339 2006-09-21 Roger Sayle <roger@eyesopen.com>
6342 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6343 dw_fde_current_label, to be the start of the function, i.e. the same
6344 value as dw_fde_begin.
6346 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6348 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6349 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6350 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6351 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6352 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6353 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6354 (abs<mode>2, neg<mode>2): Likewise.
6355 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6356 (*mips_abs_ps): New define_insn.
6358 2006-09-20 Josh Conner <jconner@apple.com>
6361 * calls.c (expand_call): Allow reuse of structure return stack
6364 2006-09-20 Paul Brook <paul@codesourcery.com>
6366 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6369 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6371 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6372 clean up terminology.
6374 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6377 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6378 with tablejumps in them.
6380 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6383 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6384 wrap it into TARGET_EXPR.
6386 2006-09-20 Eric Christopher <echristo@apple.com>
6388 * config/i386/i386.c (x86_fisttp): Remove.
6389 * config/i386/i386.h (x86_fisttp): Ditto.
6390 (TARGET_FISTTP): Ditto.
6392 2006-09-19 Eric Christopher <echristo@apple.com>
6394 * doc/tm.texi (OBJC_JBLEN): Describe.
6395 * config/i386/darwin.h (OBJC_JBLEN): Define.
6396 * config/rs6000/darwin.h: Ditto.
6398 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6400 PR rtl-optimization/21299
6401 * reload1.c (reload): Purge invalid ASMs in the final pass.
6403 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6406 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6407 pointers as legitimate constants.
6409 2006-09-19 Paul Brook <paul@codesourcery.com>
6412 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6414 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6416 PR tree-optimization/28887
6417 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6418 component parts from the reference.
6419 (gather_memory_references_ref): Record the reference without the
6420 nonaddressable component parts.
6422 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6425 * c-opts.c (c_common_handle_option): Ignore the -std options
6426 if the input language is assembly.
6428 2006-09-17 Ira Rosen <irar@il.ibm.com>
6431 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6433 (ptr_ptr_may_alias_p): Likewise.
6434 (record_record_differ_p): New function.
6435 (base_object_differ_p): Call record_record_differ_p.
6437 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6440 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6441 away for the expr argument.
6443 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6446 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6447 before using it for dumping after vectorizing loops.
6449 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6450 Jack Howarth <howarth@bromo.med.uc.edu>
6453 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6454 skip on error_mark_node.
6455 (rs6000_darwin64_record_arg_recurse): Likewise.
6457 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6459 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6460 * doc/rtl.texi: Remove related documentation.
6462 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6464 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6467 2006-09-15 Jim Wilson <wilson@specifix.com>
6469 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6470 Handle symbol offsets same as they are handled in ia64_expand_move
6473 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6475 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6476 Add forgotten parameter to the fprintf call.
6478 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6480 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6482 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6484 * doc/contrib.texi: Add my entry.
6486 2006-09-15 Nick Clifton <nickc@redhat.com>
6488 * doc/md.texi (Processor pipeline description): Fix typo in
6489 example of how to use the absence_set directive and reword the
6490 description to make it slightly easier to read.
6492 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6494 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6495 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6496 expanding the number of iterations.
6497 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6499 * cfgrtl.c (emit_insn_at_entry): New function.
6500 * rtl.h (emit_insn_at_entry): Declare it.
6501 * integrate.c (emit_initial_value_sets): Use it.
6503 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6505 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6507 (struct loop_work and related VEC declarations): Delete.
6508 (bfin_dump_loops): Print out new member bad.
6509 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6510 (bfin_scan_loop): Don't recurse.
6511 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6512 loops. No longer need to update outer loops if the current one is
6513 found bad. Move some validitiy checks to bfin_discover_loop.
6514 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6515 but changed not to check for nesting. Also changed to use the new bad
6517 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6518 time. Use bitmap based test to discover loop nesting.
6520 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6522 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6525 2006-09-14 Richard Guenther <rguenther@suse.de>
6526 Kazu Hirata <kazu@codesourcery.com>
6528 PR middle-end/28884.
6529 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6530 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6531 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6532 with TARGET_FUNCTION_VALUE.
6534 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6537 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6539 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6541 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6544 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6547 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6550 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6552 * basic_block.h (bb_has_eh_pred): Fix comment.
6554 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6556 * flow.c (calculate_global_regs_live): Invalidate eh registers
6557 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
6558 (propagate_block): Handle eh registers as if they were set at basic
6560 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
6562 * global.c (global_conflicts): Make eh registers to conflict with
6563 pseudos live at basic block begin.
6564 * basic_block.h (bb_has_eh_pred): New function.
6566 2006-09-13 Richard Sandiford <richard@codesourcery.com>
6568 PR rtl-optimization/28982
6569 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
6570 index of a PRE_MODIFY or POST_MODIFY address.
6571 * reload1.c (inc_for_reload): Use find_replacement on the original
6572 base and index registers.
6574 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
6576 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
6577 for -Os. Update __m128 alignment requirement.
6579 2006-09-13 Jan Hubicka <jh@suse.cz>
6581 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
6583 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
6585 PR rtl-optimization/28243
6586 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
6587 the insn to which the note was originally attached.
6589 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
6590 Roger Sayle <roger@eyesopen.com>
6592 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
6593 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
6594 on platforms that don't use dwarf for debug info.
6596 2006-09-12 Jason Merrill <jason@redhat.com>
6599 * builtins.c (expand_builtin_setjmp_receiver): Clobber
6600 hard_frame_pointer_rtx after using it to update the frame pointer.
6602 2006-09-12 Roger Sayle <roger@eyesopen.com>
6604 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
6605 (TARGET_ASM_CLOSE_PAREN): Likewise.
6606 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
6607 (TARGET_ASM_CLOSE_PAREN): Likewise.
6609 2006-09-12 Roger Sayle <roger@eyesopen.com>
6612 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
6613 frame information for frames larger than 512 Kbytes on Tru64 when
6614 using the native assembler.
6616 2006-09-12 Roger Sayle <roger@eyesopen.com>
6620 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
6621 and symbols. Instead use the implementation from cse.c's hash_rtx.
6623 2006-09-12 Jan Hubicka <jh@suse.cz>
6625 PR rtl-optimization/28071
6626 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
6627 (vect_transform_loop): Likewise.
6628 * tree-vectorizer.c (new_loop_vec_info): Likewise.
6629 (new_loop_vec_info): Likewise.
6630 (destroy_loop_vec_info): Likewise.
6631 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
6632 (create_stmt_ann): Likewise.
6633 (create_tree_ann): Rename to ...
6634 (create_tree_common_ann): ... this one; allocate only the common part
6636 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
6637 (get_value_handle): Likewise.
6638 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
6639 get_tree_common_ann.
6640 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
6641 (vinfo_for_stmt): Use stmt annotations.
6642 * tree-flow.h (tree_ann_common_t): New type.
6643 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
6644 (tree_ann, get_tree_ann, create_tree_ann): New.
6645 * tree-flow-inline.h (get_function_ann): Do more type checking.
6646 (stmt_ann): Likewise.
6647 (tree_ann): Rename to ...
6648 (tree_common_ann): ... this one; return ony common_ann
6649 (get_tree_ann): Rename to ...
6650 (tree_common_ann): This one; return only common_ann.
6651 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
6654 2006-09-11 Geoffrey Keating <geoffk@apple.com>
6656 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
6657 with_cpu by default.
6659 * dwarf2out.c (dwarf_file_data): New.
6660 (enum dw_val_class): Add dw_val_class_file.
6661 (struct dw_val_struct): Add val_file.
6662 (file_table): Change to a hash table.
6663 (file_table_emitted): Delete.
6664 (file_table_last_lookup_index): Delete.
6665 (emitcount): Delete.
6666 (last_emitted_file): New.
6667 (lookup_filename): Change prototype to return a struct dwarf_file_data.
6668 (init_file_table): Delete.
6669 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
6670 (AT_addr): Add comment.
6674 (print_die): Handle dw_val_class_file.
6675 (print_dwarf_line_table): Update for new file table structure.
6676 (attr_checksum): Do checksum a filename.
6677 (same_dw_val_p, same_attr_p): Do compare a filename.
6678 (size_of_die): Handle dw_val_class_file.
6679 (value_format): Likewise.
6680 (output_die): Likewise. Also, call maybe_emit_file here.
6681 (struct file_info): Constify filenames. Make file_idx a pointer
6682 to a struct dwarf_file_data.
6683 (struct dir_info): Constify directory names. Remove 'used' field.
6684 (struct file_name_acquire_data): New.
6685 (file_name_acquire): New.
6686 (output_file_names): Modify to handle new file data structures.
6687 (add_src_coords_attributes): Use add_AT_file.
6688 (add_call_src_coords_attributes): Likewise.
6689 (dwarf2out_imported_module_or_decl): Likewise.
6690 (gen_subprogram_die): Modify for new file data structures.
6691 (gen_variable_die): Likewise.
6692 (file_table_eq): New.
6693 (file_table_hash): New.
6694 (file_table_last_lookup): New.
6695 (lookup_filename): Rewrite to handle new file data structures.
6696 (maybe_emit_file): Rewrite to handle new file data structures.
6697 (dwarf2out_source_line): Always call lookup_filename and
6699 (dwarf2out_init): Create file_table here.
6700 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
6701 (file_table_relative_p): New.
6702 (dwarf2out_finish): Change detection of relative filenames
6703 to work with new file data structures. Move output_line_info call
6704 after debug_info output.
6706 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
6711 * config/i386/i386.c (override_options): Always default to 16
6712 byte stack boundary.
6714 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
6717 * var-tracking.c (dump_dataflow_set): Start dumping at
6719 (clobber_variable_part): Kill only the variable part in
6720 registers holding it, leaving other variables alone.
6722 2006-09-11 Josh Triplett <josh@freedesktop.org>
6724 * doc/extend.texi (Other Builtins): Actually use the macro
6725 argument in the documentation example for
6726 __builtin_types_compatible_p.
6728 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6730 PR rtl-optimization/28726
6731 * sched-deps.c (sched_analyze_reg): New function extracted from...
6732 (sched_analyze_1): ...here. Call it to analyze references to
6733 registers. Treat again writes to a stack register as writing to the
6735 (sched_analyze_2): ...and here. Call it to analyze references to
6736 registers. Treat again reads of a stack register as reading the
6739 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
6740 David Edelsohn <edelsohn@gnu.org>
6743 * config/rs6000/spe.md (frob_df_di): Remove %H.
6744 (frob_di_df): Remove %H. Change evmergelo to mr.
6745 (frob_di_df_2): Remove %H. Change evldd to two loads.
6747 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
6749 * doc/cpp.texi: Fix names of charset options.
6751 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
6754 * config/i386/i386.c (override_options): Use 128-bit
6755 stack boundary always for 64bits.
6757 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6759 PR rtl-optimization/28636
6760 * combine.c (force_to_mode): Test for side-effects before
6761 substituting by zero.
6762 (simplify_shift_const): Likewise for zero or other constants.
6764 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
6767 * builtins.c (expand_builtin_setjmp): Force next_lab to be
6770 2006-09-10 Richard Sandiford <richard@codesourcery.com>
6773 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
6774 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
6775 returned by mode_for_size, rather than the mode of src itself,
6776 to choose between 32-bit and 64-bit patterns.
6777 (mips_mem_fits_mode_p): New function.
6778 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
6779 that the size of the source matches the size of the destination.
6780 (mov_<store>l, mov_<store>r): Likewise.
6782 2006-09-10 Eric Christopher <echristo@apple.com>
6784 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
6787 2006-09-09 Eric Christopher <echristo@apple.com>
6790 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
6793 2006-09-09 Roger Sayle <roger@eyesopen.com>
6794 Nicolas Setton <setton@adacore.com>
6796 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
6798 2006-09-10 Andreas Schwab <schwab@suse.de>
6800 * config/m68k/m68k.md (bungt_rev): New pattern.
6802 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
6803 Dale Johannesen <dalej@apple.com>
6806 * regclass.c (struct reg_pref): Update documentation.
6807 (regclass): Set prefclass to NO_REGS if memory is the best option.
6808 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6810 2006-09-08 Eric Christopher <echristo@apple.com>
6812 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
6813 * config/t-slibgcc-darwin: Support x86_64 multilib.
6814 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
6815 Return 1 for x86_64-darwin.
6816 * config/i386/t-darwin: Add m64 multilib.
6817 (LIB2_SIDITI_CONV_FUNCS): Use.
6818 (LIB2FUNCS_EXTRA): Ditto.
6819 * config/i386/darwin.h: Support x86_64.
6820 * config/i386/i386.c (override_options): Turn on flag_pic
6821 for x86_64-darwin. Disable flag_omit_pointer.
6822 (get_pc_thunk_name): Assert !TARGET_64BIT.
6823 (legitimate_address_p): Disable machopic addressing for
6825 (legitimize_pic_address): Ditto.
6826 (ix86_expand_move): Ditto.
6827 (ix86_expand_call): Ditto.
6828 (machopic_output_stub): Ditto.
6829 * config/darwin.c (machopic_select_section): Support literal16.
6830 (machopic_select_rtx_section): Ditto.
6831 * config/darwin-sections.def: Ditto.
6832 * config/darwin-64.c: New.
6834 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
6837 * c-tree.h (struct c_arg_info): Add pending_sizes.
6838 * c-parser.c (c_parser_parms_declarator,
6839 c_parser_parms_list_declarator): Initialize pending_sizes.
6840 * c-decl.c (get_parm_info): Initialize pending_sizes.
6841 (get_parm_info): Set pending_sizes.
6842 (grokdeclarator): Call put_pending_sizes for parameters for
6843 function definition only.
6845 2006-09-07 Jason Merrill <jason@redhat.com>
6848 * varasm.c (output_constant): Only strip actual no-op conversions.
6851 * config/i386/i386.c (override_options): Use 128-bit
6852 stack boundary if -msse.
6854 2006-09-07 Eric Christopher <echristo@apple.com>
6856 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
6858 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
6861 2006-09-07 Geoffrey Keating <geoffk@apple.com>
6863 * dwarf2out.c: Remove strange characters from comment above
6864 dwarf2out_frame_debug_expr.
6866 2006-09-07 Eric Christopher <echristo@apple.com>
6868 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
6869 * config/darwin.h: ... to here.
6871 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
6873 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
6875 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
6876 (TARGET_PARTIAL_FLAG_REG_STALL): New.
6878 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
6879 TARGET_PARTIAL_FLAG_REG_STALL.
6880 (*ashldi3_cconly_rex64): Likewise.
6881 (*ashlsi3_cmp): Likewise.
6882 (*ashlsi3_cconly): Likewise.
6883 (*ashlsi3_cmp_zext): Likewise.
6884 (*ashlhi3_cmp): Likewise.
6885 (*ashlhi3_cconly): Likewise.
6886 (*ashlqi3_cmp): Likewise.
6887 (*ashlqi3_cconly): Likewise.
6888 (*ashrdi3_cmp_rex64): Likewise.
6889 (*ashrdi3_cconly_rex64): Likewise.
6890 (*ashrsi3_cmp): Likewise.
6891 (*ashrsi3_cconly): Likewise.
6892 (*ashrsi3_cmp_zext): Likewise.
6893 (*ashrhi3_cmp): Likewise.
6894 (*ashrhi3_cconly): Likewise.
6895 (*ashrqi3_cmp): Likewise.
6896 (*ashrqi3_cconly): Likewise.
6897 (*lshrdi3_cmp_rex64): Likewise.
6898 (*lshrdi3_cconly_rex64): Likewise.
6899 (*lshrsi3_cmp): Likewise.
6900 (*lshrsi3_cconly): Likewise.
6901 (*lshrsi3_cmp_zext): Likewise.
6902 (*lshrhi3_cmp): Likewise.
6903 (*lshrhi3_cconly): Likewise.
6904 (*lshrqi2_cmp): Likewise.
6905 (*lshrqi2_cconly): Likewise.
6907 2006-09-07 Uros Bizjak <uros@kss-loka.si>
6910 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
6911 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
6912 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
6913 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
6914 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
6915 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
6916 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
6917 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
6918 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
6919 implement only CC setting effects of shift instructions.
6921 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
6923 * doc/contrib.texi: Add myself.
6925 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
6928 * stor-layout.c (relayout_decl): Don't zero the alignment if it
6929 was set by the user.
6931 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
6934 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
6935 (divsi_inv_m1): Use them.
6936 (UNSPEC_DIV_INV_TABLE): New constant.
6938 2006-09-06 James E Wilson <wilson@specifix.com>
6941 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
6942 then call count_or_remove_death_notes.
6944 2006-09-06 Jason Merrill <jason@redhat.com>
6947 * tree-inline.c (copy_result_decl_to_var): New fn.
6948 (declare_return_variable): Use it. Call declare_inline_vars here.
6949 (expand_call_inline): Not here.
6951 2006-09-06 Diego Novillo <dnovillo@redhat.com>
6953 * doc/contrib.texi: Update my entry.
6955 2006-09-06 Nick Clifton <nickc@redhat.com>
6957 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
6959 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6962 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
6963 (canonicalize_induction_variables): Likewise.
6964 (tree_unroll_loops_completely): Likewise.
6965 (tree_ssa_prefetch_arrays): Likewise.
6966 (remove_empty_loops): Likewise.
6967 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6968 TODO_cleanup_cfg instead of directly calling
6969 cleanup_tree_cfg_loop.
6970 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6972 (tree_unroll_loops_completely): Likewise.
6973 (remove_empty_loops): Likewise.
6974 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6975 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6976 of tree_ssa_unswitch_loops.
6977 (tree_ssa_loop_ivcanon): Use the return value of
6978 canonicalize_induction_variables.
6979 (tree_ssa_empty_loop): Use the return value of
6981 (tree_complete_unroll): Use the return value of
6982 tree_unroll_loops_completely.
6983 (tree_ssa_loop_prefetch): Use the return value of
6984 tree_ssa_prefetch_arrays.
6985 * passes.c (execute_todo): Before Cleanup CFG, set
6986 updating_used_alone and after cleanup CFG, call
6987 recalculate_used_alone.
6989 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6992 * tree-vect-transform.c (vectorizable_condition): Move the check
6993 for the type after the check for simple condition.
6995 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6996 Kaz Kojima <kkojima@gcc.gnu.org>
6999 * mode-switching.c (optimize_mode_switching): Make the destination
7000 block of an abnormal edge have no anticipatable mode. Don't
7001 insert mode switching code at the end of the source block of
7004 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7006 PR rtl-optimization/26847
7007 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7008 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7009 (simplify_plus_minus): Count n_constants while filling ops. Replace
7010 qsort with insertion sort. Before going through the array to simplify
7011 pairs, sort it. Delay early exit until after the first sort, exiting
7012 only if no swaps occurred. Simplify pairs in reversed order, without
7013 special-casing the first iteration. Pack ops after simplifying pairs.
7015 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7017 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7018 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7019 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7020 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7022 2006-09-05 Richard Guenther <rguenther@suse.de>
7024 PR tree-optimization/28900
7025 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7026 compound conditional before creating COND_EXPR condition.
7028 2006-09-05 Richard Guenther <rguenther@suse.de>
7030 PR tree-optimization/28905
7031 * tree-vrp.c (fix_equivalence_set): Manually implement
7032 !value_ranges_intersect_p to also handle symbolic ranges.
7034 2006-09-05 Richard Guenther <rguenther@suse.de>
7037 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7040 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7042 PR rtl-optimization/27616
7043 * cse.c (table_size): New static variable.
7044 (new_basic_block): Initialize it to 0.
7045 (remove_from_table): Decrement it.
7046 (insert): Increment it.
7047 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7048 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7049 fold_rtx_mem_1 if under the cap.
7050 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7051 the lookup of the equivalent expression and test for equality of the
7052 first operand of the equivalent expression before in turn looking up
7053 an equivalent constant for the second operand.
7055 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7058 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7059 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7060 pointer, instead of assuming it is possible to derive the
7061 correct args size from a call insn.
7063 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7066 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7067 (fold_builtin_mempcpy): Rename to...
7068 (fold_builtin_memory_op): ... this. Optimize one element copy
7070 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7072 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7073 (expand_builtin_memcpy, expand_builtin_mempcpy,
7074 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7075 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7076 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7077 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7079 2006-09-01 DJ Delorie <dj@redhat.com>
7081 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7082 (stzx_16): Likewise.
7083 ("stzx_24_<mode>"): Likewise.
7084 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7085 ("cmp<mode>_op"): New.
7086 (cmp<mode>): Change to expander; just save operands.
7088 (b<code>): Change to expander, emit compare here.
7089 (s<code>_op): Change to use split and expander.
7090 (s<code>_24_op): Likewise.
7091 (s<code>_<mode>): New.
7092 (s<code>_<mode>_24): New.
7093 (movqicc_<code>_<mode): New.
7094 (movhicc_<code>_<mode>): New.
7097 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7098 (m32c_pend_compare): New.
7099 (m32c_unpend_compare): New.
7100 (m32c_expand_scc): New.
7101 (m32c_expand_movcc): Emit the compare also.
7102 * config/m32c/predicates.md (mra_nopp_operand): New.
7104 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7105 Richard Guenther <rguenther@suse.de>
7106 Adam Nemet <anemet@caviumnetworks.com>
7109 * builtins.c (get_pointer_alignment): Handle more forms
7110 of base addresses that can be used to derive more precise
7111 information about alignment.
7113 2006-09-01 Jason Merrill <jason@redhat.com>
7116 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7119 * gimplify.c (voidify_wrapper_expr): Handle null type.
7121 2006-09-01 Josh Conner <jconner@apple.com>
7124 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7125 (execute_return_slot_opt): Use it.
7127 2006-08-31 Josh Conner <jconner@apple.com>
7130 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7131 returning aggregates.
7133 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7135 PR tree-optimization/28839
7136 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7137 blocks in that phi arguments appear.
7139 2006-08-31 Roger Sayle <roger@eyesopen.com>
7142 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7143 NULL, otherwise use an advance_loc4 to adjust relative to the
7145 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7146 (dwarf2out_switch_text_section): Reset the current label to avoid
7147 using advance_loc4 over section boundaries.
7149 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7152 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7153 r12 + SYMBOLIC_CONST.
7155 2006-08-30 Richard Guenther <rguenther@suse.de>
7157 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7159 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7161 PR rtl-optimization/27735
7162 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7163 Add new argument to keep track of whether an irreducible region
7164 was affected. All callers changed.
7165 (fix_irreducible_loops): Removed.
7166 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7167 flags were invalidated.
7169 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7171 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7172 instead of SF operands.
7173 (*fop_df_comm_sse): Likewise.
7174 (*fop_df_comm_i387): Likewise.
7175 (*fop_df_1_mixed): Likewise.
7176 (*fop_df_1_sse): Likewise.
7178 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7179 J"orn Rennecke <joern.rennecke@st.com>
7181 PR tree-optimization/17506
7182 * tree-ssa.c (warn_uninit): If warning about a location outside of
7183 the current function, note where the variable was declared.
7185 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7187 PR tree-optimization/28411
7188 * double-int.c (double_int_div): Use double_int_divmod.
7189 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7190 double_int_mod, double_int_smod, double_int_umod): New functions.
7191 * double-int.h (double_int_divmod, double_int_sdivmod,
7192 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7194 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7196 (get_computation_aff, get_computation_cost_at): Handle double_int
7197 return type of constant_multiple_of.
7199 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7202 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7203 an implicit conversion.
7205 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7207 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7209 2006-08-27 Roger Sayle <roger@eyesopen.com>
7211 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7214 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7216 * config/i386/crtfastmath.c: Fix a comment typo.
7218 2006-08-26 Roger Sayle <roger@eyesopen.com>
7220 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7221 temporary visit flags on CASE_LABEL_EXPRs.
7222 * c-common.c (match_case_to_enum): Add function comment. Avoid
7223 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7224 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7225 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7226 a constant, only warn if that constant value isn't handled.
7228 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7231 * input.h (restore_input_file_stack): Declare.
7232 (INPUT_FILE_STACK_BITS): Define.
7233 * toplev.c (fs_p, input_file_stack_history,
7234 input_file_stack_restored, restore_input_file_stack): New.
7235 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7236 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7237 (pop_srcloc): Don't free old state of stack.
7239 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7242 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7243 (PowerPC Type Attributes): New.
7245 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7247 * config/xtensa/xtensa.c (function_arg_boundary): New.
7248 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7250 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7251 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7253 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7256 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7259 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7261 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7262 (verify_local_live_at_start): Likewise.
7264 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7267 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7268 omp_add_variable): Treat sizes as variable whenever not
7271 2006-08-26 Richard Guenther <rguenther@suse.de>
7274 * fold-const.c (fold_binary): Fold temporary to correct
7275 type before constructing new comparison.
7277 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7280 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7281 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7283 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7286 * c-decl.c (start_function): Don't try to process prototype
7287 information from old declaration that isn't a function.
7289 2006-08-25 Jan Hubicka <jh@suse.cz>
7292 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7294 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7297 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7300 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7302 PR tree-optimization/16876
7303 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7304 exit if PARM doesn't match VALUE.
7306 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7308 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7309 literal_prefix directive.
7310 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7311 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7312 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7314 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7317 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7318 predicate to general_operand. Add 0->y and I->r alternatives.
7320 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7322 * doc/tm.texi: Fix a typo.
7323 * predict.c: Fix comment typos.
7325 2006-08-25 Nick Clifton <nickc@redhat.com>
7327 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7328 assertions of "cpu" and "machine".
7330 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7333 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7334 the access through a base which has an alias set of 0 cannot
7337 2006-08-24 Bill Wendling <wendling@apple.com>
7339 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7341 2006-08-24 Jan Hubicka <jh@suse.cz>
7343 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7345 2006-08-24 Jan Hubicka <jh@suse.cz>
7348 * cgraph.c: Fix comments.
7349 (cgraph_varpool_mark_needed_node): Mark only variables not already
7351 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7352 (cgraph_varpool_assembled_nodes_queue): New static variable.
7353 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7354 (cgraph_varpool_output_debug_info): New function.
7355 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7356 * Makefile.in: Add gt-cgraphunit.h
7358 2006-08-24 Jan Hubicka <jh@suse.cz>
7360 * predict.c (probability_reliable_p): New predicate.
7361 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7362 (predict_loops): Do not predict loop exit with less than 2%
7364 * basic-block.h (edge_probability_reliable_p,
7365 br_prob_note_reliable_p): Declare.
7366 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7367 prediction when static predictor is not reliable.
7368 * rs6000.c (output_cbranch): Likewise.
7370 2006-08-23 Stuart Hastings <stuart@apple.com>
7373 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7374 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7376 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7379 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7380 complex values, nor for generic vector values.
7382 2006-08-22 Richard Guenther <rguenther@suse.de>
7385 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7386 parameter. Convert arguments to arithmetic expression to the
7388 (analyze_scalar_evolution_1): Adjust caller.
7390 2006-08-22 Jan Hubicka <jh@suse.cz>
7392 Patch by Paolo Bonzini
7393 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7396 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7398 PR tree-optimization/28003
7399 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7400 before grouping aliases.
7402 2006-08-22 Roger Sayle <roger@eyesopen.com>
7404 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7405 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7407 2006-08-21 Jason Merrill <jason@redhat.com>
7410 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7411 wrapper. Loop to handle nested wrappers.
7412 (gimplify_bind_expr): Remove temp parameter.
7413 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7414 and STATEMENT_LIST on the rhs.
7415 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7416 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7417 (gimplify_target_expr): Remove special BIND_EXPR handling.
7419 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7421 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7424 2006-08-21 Olivier Hainque <hainque@adacore.com>
7426 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7427 Arrange for the temporary captures of components overlapping the lhs
7428 to happen before the lhs is possibly cleared.
7430 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7432 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7433 necessary places to pass the correct "number of registers" values
7436 2006-08-20 Jan Hubicka <jh@suse.cz>
7438 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7439 (create_name_tags): Instead of quadratic checking use hashtable.
7440 * bitmap.h: Include hashtab.h.
7441 (bitmap_hash): Declare.
7442 * bitmap.c (bitmap_hash): New function.
7444 2006-08-20 Jan Hubicka <jh@suse.cz>
7446 PR rtl-optimization/28071
7447 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7449 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7450 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7451 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7452 cgraph_decide_inlining_incrementally): Update use of
7453 cgraph_check_inline_limits.
7454 * cgraph.c (edge_hash, edge_eq): New function.
7455 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7456 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7457 cgraph_remove_node): Maintain call site hash.
7458 * cgraph.h (struct cgraph_node): Add call_site_hash.
7459 (cgraph_set_call_stmt): New function.
7461 2006-08-20 Jan Hubicka <jh@suse.cz>
7463 PR rtl-optimization/28071
7464 * reload1.c (reg_has_output_reload): Turn into regset.
7465 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7466 choose_reload_regs, emit_reload_insns): Update to new
7467 reg_has_output_reload.
7469 2006-08-20 Jan Hubicka <jh@suse.cz>
7472 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7473 function body sizes.
7474 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7476 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7479 * tree.c (handle_dll_attribute): Return early if not a
7480 var or function decl.
7482 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7485 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7486 alignment of SPE vector types.
7488 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7490 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7492 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7495 * cgraph.h (struct cgraph_node): Remove externally_visible
7497 * cgraphunit.c (process_function_and_variable_attributes): Set
7498 local.externally_visible rather than externally_visible.
7501 * c-common.c (handle_externally_visible_attribute): First look
7502 at TREE_CODE and only if it is function or var decl, check for
7503 non-public objects. Don't warn for DECL_EXTERNAL.
7504 * cgraphunit.c (process_function_and_variable_attributes): Warn
7505 if externally_visible attribute is used on non-public object.
7507 2006-08-17 Jan Hubicka <jh@suse.cz>
7509 PR tree-optimization/27865
7510 * reload1.c (forget_marked_reloads): New function.
7511 (forget_old_reloads_1): When data are passed, just mark the registers
7513 (reload_as_needed): Use the new mechanizm.
7515 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7518 * reload.h (reg_equiv_alt_mem_list): New declaration.
7519 * reload1.c (reg_equiv_alt_mem_list): New definition.
7520 (reload): Initialize it and release it.
7521 (delete_output_reload): Use it.
7522 * reload.c (push_reg_equiv_alt_mem): New function.
7523 (find_reloads_toplev): Call it.
7524 (find_reloads_address, find_reloads_address_1): Likewise.
7525 (find_reloads_subreg_address): Likewise.
7527 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7529 PR rtl-optimization/28489
7530 * sched-ebb.c (begin_schedule_ready): Create basic block
7532 (advance_target_bb): Skip empty blocks.
7533 * haifa-sched.c (bb_note): Make global.
7534 * sched-int.h (bb_note): Add prototype.
7536 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7538 PR tree-optimization/27865
7539 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7541 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7542 fold_used_pointer, pointer_used_p): New functions.
7543 (analyze_scalar_evolution_1): Use fold_used_pointer.
7544 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7545 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7548 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7551 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7552 or the INTEGER_CST. Fail on a CALL_EXPR.
7553 (fold_offsetof): Pass new argument to fold_offsetof_1.
7554 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
7555 operand into an INDIRECT_REF.
7556 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
7558 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7560 PR gcov/profile/26570
7561 * value-prof.c (static_values): Removed.
7562 (tree_find_values_to_profile): Do not set static_values.
7563 (find_values_to_profile): Do not free static_values.
7564 * profile.c (instrument_values): Do not free the values.
7565 (branch_prob): Free the values.
7567 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
7569 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
7571 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
7574 * c-typeck.c (build_component_ref): Combine qualifiers of
7575 structure or union and field.
7577 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7579 PR rtl-optimization/28071
7580 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
7581 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
7582 * tree-into-ssa.c (struct dom_dfsnum): New.
7583 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
7585 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
7586 compute_global_livein.
7587 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
7588 in phi nodes in the correct blocks.
7590 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7592 PR tree-optimization/28364
7593 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
7595 (fold_affine_expr): New function.
7596 (may_eliminate_iv): Use fold_affine_expr.
7598 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7601 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
7604 2006-08-16 Mike Stump <mrs@apple.com>
7606 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
7607 * doc/cppopts.texi (-MD): Likewise.
7609 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
7612 * c-common.c (handle_weak_attribute): Ignore and warn if
7613 not a FUNCTION_ or VAR_DECL.
7615 2006-07-15 Mike Stump <mrs@apple.com>
7618 * c-parser.c (c_parser_typeof_specifier): Don't use
7619 c_finish_expr_stmt, open code desired semantics instead.
7621 2006-08-15 Nick Clifton <nickc@redhat.com>
7623 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
7624 fragment to tmake_file only if threads are enabled.
7625 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
7626 * config/i386/t-gthr-win32: New file. ... here.
7628 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7631 * c-parser.c (c_parser_compound_statement_nostart): Reset
7632 parser->error after each statement.
7634 2006-08-15 Jakub Jelinek <jakub@redhat.com>
7637 * omp-low.c (lower_omp_parallel): Convert t to
7638 receiver_decl's type.
7639 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
7640 source before comparison.
7643 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
7644 to itype in assignment to oldival2.
7646 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
7650 * c-typeck.c (build_compound_expr): If the second expression
7651 is an error mark, then just return an error mark instead of
7652 creating a COMPOUND_EXPR.
7654 2006-07-14 Mike Stump <mrs@apple.com>
7656 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
7658 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
7660 * c-decl.c, var-tracking.c: Fix comment typos.
7662 2006-08-14 Richard Sandiford <richard@codesourcery.com>
7664 PR rtl-optimization/28634
7665 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
7666 for floating-point modes unless flag_unsafe_math_optimizations.
7668 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
7669 Andrew Pinski <pinskia@physics.uc.edu>
7672 * tree.c (build_array_type): Unify array types with
7673 unspecified index_type.
7674 * c-decl.c (grokdeclarator): Make sure we do not modify a
7675 unified incomplete array type.
7676 * c-typeck.c (store_init_value): Create distinct type before
7677 filling in the index type in an initializer from a compound
7680 * c-decl.c (grokdeclarator): Remove code where we copy the
7683 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
7685 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
7686 into account for TODO_dump_cgraph.
7687 (TODO_update_ssa_no_phi): Likewise.
7688 (TODO_update_ssa_full_phi): Likewise.
7689 (TODO_update_ssa_only_virtuals): Likewise.
7690 (TODO_remove_unused_locals): Likewise.
7691 (TODO_set_props): Likewise.
7692 (TODO_update_stmt_usage): Likewise.
7694 2006-08-13 Dirk Mueller <dmueller@suse.de>
7696 * c-common.c (strict_aliasing_warning): Fix formatting.
7698 2006-08-13 Matthias Klose <doko@debian.org>
7700 * doc/invoke.texi: Fix spelling errors.
7702 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7704 PR rtl-optimization/23454
7705 * reorg.c (relax_delay_slots): Update comment.
7707 2006-08-11 Richard Guenther <rguenther@suse.de>
7710 * simplify-rtx.c (simplify_const_relational_operation):
7711 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
7714 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
7716 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
7717 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
7719 2006-08-10 Paul Brook <paul@codesourcery.com>
7721 * final.c (final_scan_insn): Clear current_insn_predicate before
7722 outputting inline asm.
7724 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
7726 PR tree-optimization/26197
7727 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
7728 get_ref_base_and_extent and overlap_subvar to add only relevant
7729 subvars as may-aliases.
7730 (add_may_alias_for_new_tag): New function, factored out of
7732 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
7733 with additional argument.
7734 * tree-flow.h (new_type_alias): Takes additional argument.
7736 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
7738 * gcov.c (no_data_file): New flag.
7739 (read_count_file): Set it if data file not present. Assume counts
7741 (output_lines): Don't name the data file, if there wasn't one.
7743 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
7745 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
7746 (rs6000_generate_compare): Tweak comments.
7747 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
7749 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
7751 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
7752 (var_debug_decl): New function.
7753 (var_reg_set): Follow debug decl link. Add location even if
7754 reg is already known to hold some other variable.
7755 (var_mem_set): Follow debug decl link.
7756 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
7757 decl link. Delete other known locations of the variable part
7759 (var_reg_delete, var_mem_delete): Delete other known locations
7760 of the variable part if requested.
7761 (same_variable_part_p): New function.
7762 (add_stores): Select MO_COPY when appropriate.
7763 (vt_initialize): Handle it.
7764 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
7765 known locations for MO_SET and MO_CLOBBER.
7766 (find_variable_location_part): New function.
7767 (set_variable_part, delete_variable_part): Use it.
7768 (clobber_variable_part): New function.
7769 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
7772 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
7774 PR tree-optimization/26969
7775 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
7776 with an empty list of PHIs.
7778 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
7782 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
7785 2006-08-06 Andreas Schwab <schwab@suse.de>
7787 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
7788 string. Whitespace and comment fixup.
7790 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7793 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
7797 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
7800 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
7802 2006-08-04 Jan Hubicka <jh@suse.cz>
7806 * reload.c (push_reload): Patch out the mismatching instruction;
7808 (find_reload): Bail out if the instruction was patched out.
7810 2006-08-04 Jan Hubicka <jh@suse.cz>
7812 PR tree-optimization/24888
7813 * tree-inline.c (expand_call_inline): Do not re-record variables.
7814 (declare_inline_vars): Add variable to unexpanded_var_list.
7816 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7817 Roger Sayle <roger@eyesopen.com>
7819 PR rtl-optimization/26244
7820 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
7821 inner_const are negative or greater than or equal to the bitsize of
7822 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
7823 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
7824 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
7825 CONST0_RTX (mode) when the new shift count is greater than or equal to
7826 to the bitsize of the object being shifted and XEXP (y, 0) has no side
7829 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
7831 * tree-cfg.c: Fix a comment typo.
7833 2006-08-03 Mark Mitchell <mark@codesourcery.com>
7836 * varasm.c (output_constant): Give the front end another chance to
7837 expand constants, after stripping NOPs.
7839 2006-08-03 Jan Hubicka <jh@suse.cz>
7841 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
7844 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
7846 PR tree-optimization/27770
7847 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
7848 declaration removed (moved to tree-flow.h).
7849 (vect_can_force_dr_alignment_p): Likewise.
7850 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
7851 (moved from tree-vectorizer.h).
7852 (vect_can_force_dr_alignment_p): Likewise.
7853 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
7854 from outside the vectorizer - in particular from cgraph stage.
7855 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
7856 the alignment of global arrays when -fsection-anchors is enabled.
7857 * cgraphunit.c (cgraph_increase_alignment): New function.
7858 (cgraph_optimize): Call cgraph_increase_alignment.
7860 2006-08-03 David Edelsohn <edelsohn@gnu.org>
7863 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
7864 not reload a SPE symbol_ref into a lo_sum address.
7866 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
7869 * dwarf2out.c (prune_unused_types_prune): Move call to
7870 prune_unused_types_update_strings to cover the parent DIE also.
7872 2006-08-02 Jan Hubicka <jh@suse.cz>
7874 PR gcov/profile/28480
7875 * tree-cfg.c (change_bb_for_stmt): New function.
7876 (tree_merge_blocks, tree_split_blocks): Use it.
7878 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7884 * toplev.c (compile_file): Return early on errorcount or sorrycount.
7885 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
7886 (cgraph_optimize): Likewise.
7888 2006-08-01 Stuart Hastings <stuart@apple.com>
7890 * rtl.h (UINTVAL) New.
7891 * config/rs6000/rs6000.c (SMALL_INT) Use it.
7892 * testsuite/gcc.dg/20060801-1.c: New.
7894 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
7897 * c-typeck.c (build_external_type): Mark used enum types.
7898 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
7900 (gen_subprogram_die): Whitespace fix.
7902 2006-08-01 Jan Hubicka <jh@suse.cz>
7904 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
7905 bitmap when not needed.
7906 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
7909 2006-08-01 Dirk Mueller <dmueller@suse.de>
7911 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
7913 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7915 * Makefile.in: Revert part of previous patch:
7916 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
7919 2006-07-30 Eric Christopher <echristo@apple.com>
7922 * doc/extend.texi (i386 Variable Attributes): Add anchor.
7923 (PowerPC Variable Attributes): New section.
7925 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
7927 PR target/28126 (partial fix)
7928 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
7930 2006-07-28 Jan Hubicka <jh@suse.cz>
7932 PR rtl-optimization/28071
7933 * cfgrtl.c (rtl_delete_block): Free regsets.
7934 * flow.c (allocate_bb_life_data): Re-use regsets if available.
7936 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7938 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
7939 and variables used in dependencies.
7941 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
7943 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
7944 %fs for -mcmodel=kernel.
7945 (stack_tls_protect_test_di): Likewise.
7947 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
7949 * Makefile.in: Use mkinstalldirs.
7951 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
7954 * opts-common.c (prune_options): Skip joined switches.
7956 2006-07-27 Jan Hubicka <jh@suse.cz>
7958 PR rtl-optimization/28071
7959 * cselib.c (cselib_process_insn): Don't remove useless values too
7960 often for very large hashtables.
7962 2006-07-27 Jan Hubicka <jh@suse.cz>
7964 PR rtl-optimization/28071
7965 * global.c (greg_obstack): New obstack.
7966 (allocate_bb_info): Use it.
7967 (free_bb_info): Likewise.
7968 (modify_reg_pav): Likewise.
7970 2006-07-27 Roger Sayle <roger@eyesopen.com>
7972 * builtins.c (fold_fixed_mathfn): When long and long long are the
7973 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7974 functions to their lceil*, lfloor*, lround* and lrint* forms.
7976 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7979 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7981 (rev_branch_insn): Likewise.
7983 2006-07-27 Jan Hubicka <jh@suse.cz>
7985 PR rtl-optimization/28071
7986 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7987 (reg_set_in_bb, max_reg_computed): New static variables.
7988 (regmove_optimize): Free the new array.
7989 (fixup_match_1): Update call of reg_is_remote_constant_p.
7991 2006-07-26 Jan Hubicka <jh@suse.cz>
7993 PR tree-optimization/27882
7994 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7996 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7998 (cgraph_analyze_compilation_unit): Likewise.
7999 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8000 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8001 (cgraph_early_inlinine): Make order garbage collected.
8002 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8004 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8006 * dbxout.c (output_types_sort): Add a comment.
8007 (output_used_types): Free the VEC.
8009 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8011 * function.c (reorder_fix_fragments): Delete.
8012 (reorder_blocks): Don't call it.
8013 (reorder_blocks_1): Put all subblocks under the origin block.
8015 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8017 PR rtl-optimization/27907
8018 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8021 2006-07-25 Roger Sayle <roger@eyesopen.com>
8024 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8025 bar(x) check that bar's result type can represent all the values of T.
8027 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8029 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8031 2006-07-25 Nick Clifton <nickc@redhat.com>
8033 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8034 size_lookup[] array.
8035 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8036 (ggc_pch_count_object): Likewise.
8037 (ggc_pch_alloc_object): Likewise.
8038 (ggc_pch_write_object): Likewise.
8039 (init_ggc): Do not attempt to initialize entries in the
8040 size_lookup[] array for objects whose size is greater than than
8041 the length of the array.
8043 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8045 * dbxout.c (output_used_types_helper): Push queued types
8047 (output_types_sort): New.
8048 (output_used_types): Collect used types on a VEC and sort them
8051 2006-07-24 Richard Guenther <rguenther@suse.de>
8054 * cgraph.c (cgraph_remove_node): Do not check if dumps
8056 * cgraphunit.c (cgraph_optimize): Likewise.
8058 2006-07-24 Jan Hubicka <jh@suse.cz>
8060 PR rtl-optimization/28071
8061 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8062 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8063 splitting before first stmt.
8065 2006-07-24 Jan Hubicka <jh@suse.cz>
8067 PR rtl-optimization/28071
8068 * ipa-inline.c (update_caller_keys): Remove edges that
8069 are no longer inline candidates.
8071 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8074 * dbxout.c (output_used_types_helper, output_used_types): New.
8075 (dbxout_symbol): Call output_used_types.
8077 2006-07-23 Jan Hubicka <jh@suse.cz>
8081 * cgraph.c (cgraph_varpool_nodes): Export.
8082 (decide_is_variable_needed): Ignored "used" attribute in
8083 unit-at-a-time mode.
8084 * cgraph.h (cgraph_varpool_nodes): Declare.
8085 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8086 unit-at-a-time mode.
8088 2006-07-23 Roger Sayle <roger@eyesopen.com>
8091 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8092 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8093 the __gthrw form of thr_keycreate.
8094 (__gthread_key_delete): Silence the unused argument warning.
8096 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8099 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8100 Cache the last found '\0' marker to avoid quadratic behavior.
8102 2006-07-23 Jan Hubicka <jh@suse.cz>
8104 * i386.md (subsi_3_zext): Fix output template.
8106 2006-07-21 Mike Stump <mrs@apple.com>
8108 * doc/invoke.texi (C++ Dialect Options): Note that
8109 -fvisibility-inlines-hidden doesn't affect explicitly
8110 instantiationed inline methods.
8112 2006-07-20 Roger Sayle <roger@eyesopen.com>
8114 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8115 if the target assembler is GNU binutils' gas.
8116 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8117 whether to pass GNU gas or native as command line options.
8119 2006-07-20 Jason Merrill <jason@redhat.com>
8121 * tree.c (remove_attribute): New fn.
8122 * tree.h: Declare it.
8124 2006-07-20 Paul Brook <paul@codesourcery.com>
8127 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8128 they are invalidated by this instruction.
8130 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8133 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8135 2006-07-20 Eric Christopher <echristo@apple.com>
8138 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8140 2006-07-19 Eric Christopher <echristo@apple.com>
8142 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8143 Rewrite dependencies for libgcc_s.1.dylib.
8145 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8147 * except.c (duplicate_eh_regions_1): Clear next_peer.
8149 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8151 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8152 -mlongcall does not guarantee all calls will be long.
8153 * doc/extend.texi (long_call/short_call): Document that longcall
8154 does not guarantee a long call will be used.
8155 (longcall/shortcall): Likewise.
8157 2006-07-18 Roger Sayle <roger@eyesopen.com>
8160 * expmed.c (expand_shift): Additionally check that the shift_cost
8161 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8162 before implementing a LSHIFT_EXPR as a sequence of additions.
8163 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8164 middle-end that DImode shifts need to be synthesized by expand.
8166 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8169 * tree-ssa-operands.c (access_can_touch_variable): Update
8171 Return true if ALIAS is .GLOBAL_VAR.
8173 2006-07-18 David Daney <ddaney@avtrex.com>
8175 * gcc.c (display_help): Fix typo in help text.
8177 2006-07-18 Olivier Hainque <hainque@adacore.com>
8179 * tree.h (categorize_ctor_elements): Adjust prototype and add
8180 descriptive comment, both in accordance with the interface change
8182 * varasm.c (constructor_static_from_elts_p): New function.
8183 Whether a constructor node is a valid static constant initializer
8184 if all its elements are.
8185 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8186 * output.h: Declare it.
8187 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8188 is a valid constant initializer instead of computing the number of
8189 non-constant elements. Use constructor_static_from_elts_p for this
8190 purpose. Replace the head comment with an indication that this is a
8191 helper for categorize_ctor_elements.
8192 (categorize_ctor_elements): Same interface change as for the _1
8193 helper. Former head comment from this helper moved here, adjusted to
8194 account for the interface changes.
8195 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8196 (all_zeros_p): Likewise.
8197 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8198 static versions of the constructor from the categorize_ctor_elements
8199 return value instead of the formerly computed number of non-constant
8202 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8204 * configure: Regenerate.
8205 * Makefile.in (build_libsubdir): New configure substitution
8206 (build_libobjdir): New variable.
8207 (BUILD_LIBIBERTY): Use it.
8209 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8212 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8214 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8217 * c-common.c (handle_weakref_attribute): Ignore attribute in
8218 the same conditions the alias attribute is ignored.
8220 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8222 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8223 (dbxout_begin_prologue): Increment scope_labelno.
8225 2006-07-17 Richard Henderson <rth@redhat.com>
8228 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8231 2006-07-17 Roger Sayle <roger@eyesopen.com>
8232 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8234 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8235 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8236 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8237 functions such as sbrk, write, etc.. Add function prototypes.
8238 Convert function declarations from K&R to ISO C. Cast pointers
8239 to "long" and "unsigned long" instead of "int" and "unsigned int".
8240 Convert tokens following #endif into comments.
8242 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8244 * invoke.texi: Remove mention of f77; Reformat table for
8245 inline parameter options correctly; mention that -malign-double
8246 is default on x86-64 targets.
8248 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8250 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8251 (convert_affine_scev, chrec_convert_aggressive): Use
8252 avoid_arithmetics_in_type_p. Do not check for the subtypes
8255 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8258 * optabs.c (expand_doubleword_shift): Wrap the call to
8259 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8261 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8264 * optabs.c (expand_binop): Pass next_methods rather than methods
8265 to expand_doubleword_shift.
8267 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8270 * tree.h (dump_addr): Declare.
8271 * print-tree.c (dump_addr): New function.
8272 (print_node_brief, print_node): Use it.
8273 * print-rtl.c (print_rtx): Likewise.
8274 * common.opt (-fdump-noaddr): New option.
8275 * doc/invoke.texi (-fdump-noaddr): Document.
8276 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8277 (ve_info_hash): Likewise.
8279 2006-07-13 Andrew Haley <aph@redhat.com>
8281 PR tree-optimization/19505
8282 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8283 edge leaving this block, make sure that the destination of this
8284 block has only one predecessor.
8286 2006-07-17 Richard Guenther <rguenther@suse.de>
8288 PR tree-optimization/28238
8289 * tree-inline.c (copy_bb): Check if we produced valid
8290 gimple copying and substituting a stmt. If not, gimplify
8293 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8295 * optabs.c (maybe_encapsulate_block): New function extracted from...
8296 (emit_libcall_block): ...here. Invoke it on the block of insns to
8297 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8298 (emit_no_conflict_block): Likewise.
8300 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8302 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8304 2006-07-15 Roger Sayle <roger@eyesopen.com>
8306 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8307 a new NOP_EXPR case of the switch statement.
8309 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8312 * stor-layout.c (place_field): Take the bit field with
8313 an excessive size into account in the ms-bitfiled case.
8316 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8317 the previous bit field.
8319 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8322 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8324 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8326 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8327 signal frames correctly even when the signal was installed with
8330 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8332 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8333 (dbxout_function_end): Use local label LFBB. Remove hook
8335 (dbxout_source_line): Use local label LFBB.
8336 (dbxout_block): Likewise.
8337 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8338 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8339 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8340 and DBX_OUTPUT_NFUN.
8342 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8344 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8346 2006-07-13 Jan Hubicka <jh@suse.cz>
8348 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8350 * output.h (align_variable): Declare.
8351 * varasm.c (align_variable): Export.
8352 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8353 when basic block changed.
8355 2006-07-13 Nick Clifton <nickc@redhat.com>
8357 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8358 walking the LOG_LINKS chain.
8360 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8362 * doc/invoke.texi (C++ Dialect Options): Explain difference
8363 between -fvisibility-inlines-hidden and setting hidden
8364 visibility explicitly.
8366 2006-07-12 Eric Christopher <echristo@apple.com>
8368 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8369 (stmp-lipo): Depend on libgcc.a.
8371 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8373 * tree.c: Fix a comment typo.
8375 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8377 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8379 (umulhisi3_r): Likewise.
8381 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8384 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8385 x < 19, vs wchar_t support.
8387 2006-07-12 Nick Clifton <nickc@redhat.com>
8389 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8390 instead of -isa=sh4.
8392 2006-07-12 Mike Stump <mrs@apple.com>
8394 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8396 2006-07-10 Eric Christopher <echristo@apple.com>
8398 * config/t-slibgcc-darwin: Rewrite.
8400 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8403 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8406 2006-07-08 Matthias Klose <doko@debian.org>
8408 * doc/sourcebuild.texi: Fix typo.
8410 2006-07-07 Mike Stump <mrs@apple.com>
8412 * toplev.c (process_options): Don't give -ffunction-sections may
8413 affect debugging warning for Mach-O.
8415 2006-07-07 James E Wilson <wilson@specifix.com>
8417 * config/mips/mips.md (cpu): Add sb1a.
8418 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8419 addition to sb1. Adjust comments to clarify SB-1A differences from
8421 (ir_sb1a_load): New. Modify bypasses to use it.
8422 (ir_sb1a_simple_alu): Likewise.
8423 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8424 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8425 (mips_issue_rate): Add PROCESSOR_SB1A.
8426 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8427 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8428 (TARGET_SB1): Add PROCESSOR_SB1A check.
8429 (TUNE_SB1): Likewise.
8431 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8432 * config/mips/mips.c (mips_store_data_bypass_p): New.
8433 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8434 store_data_bypass_p.
8436 2006-07-08 Paul Brook <paul@codesourcery.com>
8439 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8441 2006-07-07 Richard Guenther <rguenther@suse.de>
8444 * tree.h (build_one_cst): Declare.
8445 * tree.c (build_one_cst): New function.
8446 * tree-ssa-math-opts.c (get_constant_one): Remove.
8447 (insert_reciprocals): Use build_one_cst.
8448 * fold-const.c (fold_plusminus_mult): Likewise.
8450 2006-07-07 Roger Sayle <roger@eyesopen.com>
8452 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8453 * cfgloopanal.c (dump_graph): Likewise.
8454 * dojump.c (discard_pending_stack_adjust): Likewise.
8455 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8457 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8458 * function.c (finalize_block_changes): Likewise.
8459 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8460 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8461 * rtl.c (dump_rtx_statistics): Likewise.
8462 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8464 * varray.c (dump_varray_statistics): Likewise.
8465 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8466 decode_decimal64, encode_decimal128, decode_decimal128,
8467 decimal_real_to_decimal): Likewise.
8469 2006-07-07 Richard Guenther <rguenther@suse.de>
8471 PR tree-optimization/28187
8472 * tree-vrp.c (vrp_operand_equal_p): New function.
8473 (vrp_bitmap_equal_p): Likewise.
8474 (update_value_range): Use them to compare old and new
8477 2006-07-06 Roger Sayle <roger@eyesopen.com>
8479 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8480 a default case to switch statement to silence compiler warnings.
8482 2006-07-06 Roger Sayle <roger@eyesopen.com>
8485 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8486 the configured assembler supports the x87's ffreep mnemonic.
8487 * configure: Regenerate.
8488 * config.in: Regenerate.
8490 * config/i386/i386.c (output_387_ffreep): New function.
8491 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8492 (output_387_reg_move): Likewise.
8494 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8496 Port to hosts whose 'sort' and 'tail' implementations
8497 treat operands with leading '+' as file names, as POSIX
8498 has required since 2001. However, make sure the code still
8499 works on pre-POSIX hosts.
8500 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8501 which says you should use "tail -c +N" rather than "tail +Nc".
8502 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8504 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8506 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8509 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8512 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8513 PRE_{INC,DEC} of TFmode.
8515 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8516 Alan Modra <amodra@bigpond.net.au>
8519 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8522 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8525 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8526 Remove duplicate gtu.
8528 2006-07-05 Jason Merrill <jason@redhat.com>
8532 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8533 * c-common.c (handle_packed_attribute): So don't copy it here.
8534 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8536 2006-07-05 Mike Stump <mrs@apple.com>
8538 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8540 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8543 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8545 2006-07-05 Richard Guenther <rguenther@suse.de>
8548 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8549 TARGET_SSE2 targets if using SSE math.
8550 (*absdf2_1): Likewise.
8552 2006-07-05 Richard Guenther <rguenther@suse.de>
8554 PR tree-optimization/28162
8555 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
8556 make sure to convert the operands to the correct type.
8558 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
8560 PR tree-optimization/28218
8562 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
8563 to calculate and free the dominator information.
8565 2006-07-04 Peter O'Gorman <peter@pogma.com>
8567 * mklibgcc.in: chmod 644 before ranlib during install.
8569 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
8570 J"orn Rennecke <joern.rennecke@st.com>
8572 * configure.ac (.eh_frame data check): Use diff -b.
8574 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8577 * Makefile.in (BUILD_RTL): Add build/vec.o.
8578 (build/gencondmd.o): Filter out -fkeep-inline-functions.
8579 (build/genextract): Delete.
8580 (build/genautomata): Likewise.
8582 2006-07-04 Alan Modra <amodra@bigpond.net.au>
8585 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
8586 128-bit IBM long doubles for ABI_V4.
8588 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
8590 * tree.c (range_in_array_bounds_p): New predicate.
8591 * tree.h (range_in_array_bounds_p): Declare it.
8592 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
8593 return a less conservative answer.
8594 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
8595 and flag 'is_group'.
8596 (IS_ELEMENT_FOR_GROUP): New macro.
8597 (FOR_EACH_ACTUAL_CHILD): Likewise.
8598 (next_child_for_group): New helper function.
8599 (can_completely_scalarize_p): Take into account groups.
8600 (sra_hash_tree): Handle RANGE_EXPR.
8601 (sra_elt_eq): Likewise.
8602 (lookup_element): Be prepared for handling groups.
8603 (is_valid_const_index): Delete.
8604 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
8605 instead of is_valid_const_index.
8606 <ARRAY_RANGE_REF>: New case.
8607 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
8608 is_valid_const_index.
8609 <ARRAY_RANGE_REF>: Do not unconditionally punt.
8610 (scan_dump): Dump info for groups too.
8611 (decide_instantiation_1): Likewise.
8612 (decide_block_copy): Assert that the element is not a group.
8613 Propagate decision to groups.
8614 (generate_one_element_ref): Handle RANGE_EXPR.
8615 (mark_no_warning): Iterate over actual childs.
8616 (generate_copy_inout): Likewise.
8617 (generate_element_copy): Likewise.
8618 (generate_element_zero): Likewise.
8619 (generate_element_init_1): Likewise.
8620 (dump_sra_elt_name): Handle RANGE_EXPR.
8622 2006-07-03 Roger Sayle <roger@eyesopen.com>
8624 PR tree-optimization/26251
8625 * tree-ssa-threadupdate.c (redirection_block_p): New function.
8626 (thread_block): When optimizing for size refuse to thread jumps
8627 that would require duplication of blocks other than redirection
8630 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8632 * configure.ac: Fix thinko in previous check-in.
8633 * configure: Regenerate.
8635 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
8638 * configure.ac (for lang...): Simplify nesting of conditionals.
8639 Test subdir_requires for non-enabled languages. Move processing
8640 of lang_opt_files and lang_tree_fiels below that test.
8641 * configure: Regenerate.
8642 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
8644 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
8646 * doc/gcov.texi (Invoking Gcov): Add a missing word.
8648 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
8650 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
8653 2006-06-29 Jason Merrill <jason@redhat.com>
8660 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
8661 * c-common.c (c_determine_visibility): Handle it here.
8662 * c-decl.c (finish_decl): Call c_determine_visibility for
8664 * flags.h (enum symbol_visibility): Sort from most to least visibility.
8666 * varasm.c (default_assemble_visibility): Likewise.
8667 * c-common.c (handle_visibility_attribute): Complain about trying
8668 to give visibility to an already defined class, or trying to change
8669 declared visibility. Always attach the attribute.
8674 * attribs.c (decl_attributes): Ignore type-in-place attributes
8675 once the type has been defined.
8677 2006-06-29 Roger Sayle <roger@eyesopen.com>
8680 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
8681 to indicate the cpplib has issued an error message for us.
8683 2006-06-29 Asher Langton <langton2@llnl.gov>
8686 * config/i386/i386.c (ix86_output_function_epilogue): Don't
8687 insert a label at the end of an function under Mach-O.
8689 2006-06-29 Eric Christopher <echristo@apple.com>
8690 Evan Cheng <evan.cheng@apple.com>
8692 * predicates.md (vector_all_ones_operand): New.
8693 (nonimmediate_or_sse_const_operand): Ditto.
8694 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
8695 * config/i386/i386.c (standard_sse_constant_opcode): Define.
8696 (standard_sse_mode_p): Ditto.
8697 (standard_sse_constant_p): Add case for -1 vector.
8698 (ix86_expand_vector_move): Try to use.
8699 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
8700 Call standard_sse_constant_opcode.
8701 (*movv4sf_internal): Ditto.
8702 (*movv2df_internal): Ditto.
8704 2006-06-29 Roger Sayle <roger@eyesopen.com>
8706 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
8707 of XEXP to extract the operands of a MATCH_CODE rtx.
8709 2006-06-28 Andrew Pinski <pinskia@gmail.com>
8711 * tree.c (tree_size): Do not waste tail padding in
8712 struct tree_string and make the size be the same as
8713 build_string will generate.
8715 2006-06-28 Jason Merrill <jason@redhat.com>
8718 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
8719 may_aliases already in the tag's annotations to the bitmap.
8721 2006-06-28 Roger Sayle <roger@eyesopen.com>
8723 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
8725 2006-06-28 Roger Sayle <roger@eyesopen.com>
8727 * genpreds.c (generate_switch_p): New function.
8728 (add_mode_tests): Push the new mode test down inside an AND expr
8729 if this allows the switch-suitable MATCH_CODE to be near the root.
8730 (write_match_code_switch): New function to write a MATCH_CODE as
8732 (write_predicate_stmts): New function to write a predicate RTX
8733 expression as a sequence of statements.
8734 (write_one_predicate_function): Use write_predicate_stmts.
8735 (write_tm_constrs_h): Likewise.
8737 2006-06-26 Fred Fish <fnf@specifix.com>
8739 * config/mips/t-sb1: New file.
8740 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
8743 2006-06-26 DJ Delorie <dj@redhat.com>
8745 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
8747 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
8748 Jayant Sonar <jayants@kpitcummins.com>
8749 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
8751 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
8752 (subsi3, subsi3_1, subsi3_2): New.
8753 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
8754 * config/m32c/mov.md (SI mov peephole): New.
8755 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
8756 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
8758 2006-06-26 Olivier Hainque <hainque@adacore.com>
8760 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
8761 a CALL_EXPR target function declaration.
8763 2006-06-26 Richard Guenther <rguenther@suse.de>
8765 * tree.c (build_string): Do not waste tail padding in
8768 2006-06-26 Richard Guenther <rguenther@suse.de>
8770 * ggc-page.c (init_ggc): Add missing element to size_lookup
8774 2006-06-23 Richard Guenther <rguenther@suse.de>
8776 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8777 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8778 alignment requests instead. Add verification code.
8779 Add struct tree_function_decl and struct tree_binfo size to
8780 extra_order_size_table. Add missing element to size_lookup
8783 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
8786 * fold-const.c (const_binop): Be prepared for self returning zero.
8787 Simplify code handling complex values.
8789 2006-06-24 Olivier Hainque <hainque@adacore.com>
8791 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
8792 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
8795 2006-06-24 Olivier Hainque <hainque@adacore.com>
8797 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
8798 ARRAY_REF, so have the callback called for the low bound expression.
8800 2006-06-23 Janis Johnson <janis187@us.ibm.com>
8802 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
8803 * c-typeck.c (c_common_type): Disallow operations on decimal float
8804 types and other float types.
8805 * convert.c (convert_to_real): Don't ignore conversions involving
8806 decimal float types.
8808 2006-06-23 Olivier Hainque <hainque@adacore.com>
8810 * tree.c (max_int_size_in_bytes): New function, inspired from
8811 code in function.c:assign_temp.
8812 * tree.h (max_int_size_in_bytes): Declare.
8813 * function.c (assign_temp): Use it.
8814 * gimplify.c (create_tmp_var): Relax the assertions on the type
8815 properties, not mandating constant size any more.
8816 (force_constant_size): New static function.
8817 (gimple_add_tmp_var): Use it, forcing variable size to a
8818 constant upper bound if it is not constant on entry.
8820 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
8823 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
8824 for initialization and setting of one_only flag to ...
8825 (i386_pe_encode_section_info): ...here.
8826 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
8827 Recheck that the symbol has not been defined.
8829 2006-06-23 Richard Guenther <rguenther@suse.de>
8831 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
8832 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
8833 alignment requests instead. Add verification code.
8834 Add struct tree_function_decl and struct tree_binfo size to
8835 extra_order_size_table. Add missing element to size_lookup
8838 2006-06-22 Roger Sayle <roger@eyesopen.com>
8839 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8842 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
8843 call to lang_hooks.types.type_for_mode returned NULL_TREE.
8845 2006-06-23 Ben Elliston <bje@au.ibm.com>
8847 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
8848 negate dn -- manipulate it directly.
8850 2006-06-22 Roger Sayle <roger@eyesopen.com>
8851 Steven Bosscher <stevenb.gcc@gmail.com>
8854 * reload1.c (gen_reload): Call mark_jump_label on the new insns
8855 generated by gen_move_insn to add REG_LABEL notes if necessary.
8857 2006-06-22 Bob Wilson <bob.wilson@acm.org>
8859 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
8860 (leaf_entry): Remove use of MIN_ESA.
8862 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
8864 PR rtl-optimization/28121
8865 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
8868 2006-06-21 DJ Delorie <dj@redhat.com>
8870 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
8872 (mulhisi3_r): Likewise.
8874 2006-06-21 Richard Sandiford <richard@codesourcery.com>
8877 * coverage.c (coverage_counter_alloc): Leave the index type
8879 (coverage_counter_alloc): Use null arguments for operands 2 and 3
8882 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
8884 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
8885 section from the "Options for Code Generation Conventions".
8887 2006-06-21 Richard Henderson <rth@redhat.com>
8891 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
8893 (global_symbolic_operand): Allow weak symbols, even if local_p.
8895 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
8897 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
8898 (find_interesting_uses_address): Punt if above function returns true.
8900 2006-06-21 Richard Guenther <rguenther@suse.de>
8902 * configure: Regenerated.
8904 2006-06-21 Joseph Myers <joseph@codesourcery.com>
8906 * config/mips/mips.c (function_arg): Where one part of a
8907 complex argument is in registers and the other part in the stack,
8908 return a REG not a PARALLEL.
8910 2006-06-21 Mark Mitchell <mark@codesourcery.com>
8912 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
8913 when cross-compiling. Do not substitute libstdcxx_incdir.
8914 * configure: Regenerated.
8916 2006-06-21 Jakub Jelinek <jakub@redhat.com>
8918 * varasm.c (mergeable_string_section): Check for embedded NULs and
8919 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
8920 rather than TREE_STRING_LENGTH bytes.
8922 2006-06-21 Richard Guenther <rguenther@suse.de>
8924 * ggc-page.c (extra_order_size_table): Add var_ann_d,
8925 tree_ssa_name, bitmap_element and phi_node with 4 arguments
8928 2006-06-21 Richrad Guenther <rguenther@suse.de>
8930 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
8931 Limit iteration over the dominators.
8933 2006-06-20 Roger Sayle <roger@eyesopen.com>
8935 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
8936 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
8938 2006-06-20 Richard Guenther <rguenther@suse.de>
8939 Michael Matz <matz@suse.de>
8941 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
8943 * alloc-pool.c (free_alloc_pool_if_empty): New function.
8944 * et-forest.h (et_free_pools): Prototype new function.
8945 * et-forest.c (et_free_tree_force): Free parent occurrence.
8946 (et_free_pools): New function.
8947 * dominance.c (free_dominance_info): Free et-forest alloc
8950 2006-06-20 Roger Sayle <roger@eyesopen.com>
8952 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
8953 integer modes, attempt to directly construct an integer constant.
8955 * fold-const.c (native_encode_vector): Determine the size of each
8956 element from the vector type instead of the first vector element.
8958 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
8959 if all of its elements/components are constant.
8960 (build_constructor_from_list): Likewise.
8962 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
8964 PR tree-optimization/27331
8965 * tree-data-ref.c (free_data_ref): New function.
8966 (create_data_ref): Fail if the data reference has unknown access
8968 (free_data_refs): Use free_data_ref.
8970 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8973 * tree-inline.c (setup_one_parameter): Strip useless
8974 type conversion before adding it to the IR.
8975 (declare_return_variable): Likewise.
8977 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8980 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8982 2006-06-19 Mike Stump <mrs@apple.com>
8984 * tree.c (variably_modified_type_p): VM arguments don't make the
8987 2006-06-19 Richard Guenther <rguenther@suse.de>
8989 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8990 type conversions after folding.
8992 2006-06-19 Richard Guenther <rguenther@suse.de>
8994 * ggc-page.c (extra_order_size_tab): Add entries with
8995 size of struct function and basic_block.
8996 (size_lookup): Extend to cover sizes up to 511.
8997 (ggc_alloc_stat): Adjust user.
8998 (ggc_pch_count_object): Likewise.
8999 (ggc_pch_alloc_object): Likewise.
9000 (ggc_pch_write_object): Likewise.
9002 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9004 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9005 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9008 2006-06-19 Denis Chertykov <denisc@overta.ru>
9010 * config/avr/libgcc.S : Correct my wrong previous commit.
9012 2006-06-19 Roger Sayle <roger@eyesopen.com>
9015 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9016 have stripped a SUBREG from the shift count, so we may need to
9017 convert_to_mode back to the type's mode before calling make_tree.
9018 Use new_amount instead of amount to avoid expanding a tree twice.
9020 2006-06-19 Richard Guenther <rguenther@suse.de>
9023 * fold-const.c (operand_equal_p): Check if the argument types
9024 have the same precision before stripping NOPs.
9026 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9028 Fix PR tree-optimization/27341
9029 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9031 * tree-complex.c (pass_lower_complex): Update SMT usage.
9033 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9035 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9036 Add a new alternative to the constraint strings. Add move of
9037 operand 1 to 3 to the splitter definition.
9038 ("doloop_si_long"): Second contraint alternative removed.
9040 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9042 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9043 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9045 (AVR_HAVE_MOVW) Define.
9046 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9047 (ASM_SPEC): Add avr25.
9048 (LINK_SPEC): Add avr25.
9049 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9050 (base_arch_s): Add new member 'have_movw_lpmx'.
9051 (avr_arch_types): Init 'have_movw_lpmx'.
9052 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9053 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9054 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9055 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9056 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9058 (avr_file_start): Do not output '.arh' derective.
9059 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9060 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9061 * config/avr/avr.md (mcu_enhanced): Delete.
9062 (mcu_have_movw): Define.
9063 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9064 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9065 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9066 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9067 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9068 attiny861 and at86rf401 devices.
9070 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9072 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9075 2006-06-17 Karl Berry <karl@gnu.org>
9077 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9078 doc/gccint.texi, doc/install.texi (@dircategory): Use
9079 "Software development" instead of "Programming", following
9080 the Free Software Directory.
9082 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9084 * config/i386/i386.c (legitimate_tls_address)
9085 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9086 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9087 (*tls_dynamic_gnu2_combine_64): Likewise.
9089 2006-06-16 Richard Guenther <rguenther@suse.de>
9092 * fold-const.c (negate_expr_p): Do not introduce undefined
9093 overflow in negating INTEGER_CSTs.
9094 (fold_negate_expr): Rename from negate_expr. Revert last
9095 change for folding BIT_NOT_EXPR. Change semantics to
9096 return NULL_TREE for non-simplified negations. Do not
9097 strip type conversions and unify type handling.
9098 (negate_expr): New function, wrap around fold_negate_expr
9099 but ensure building a tree always. Strip type conversions
9100 here, fold to result type.
9101 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9103 2006-06-16 Roger Sayle <roger@eyesopen.com>
9106 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9107 that (would) return their results in stack registers.
9109 2006-06-16 Michael Matz <matz@suse.de>
9110 Richard Guenther <rguenther@suse.de>
9112 * fold-const.c (fold_truthop): Only return new tree node if
9113 we canonicalized something.
9115 2006-06-16 Richard Guenther <rguenther@suse.de>
9117 * function.h (enum function_frequency): Move declaration
9118 out of struct function.
9119 (struct function): Move bool fields and the enum to the bitfield
9120 section. Reorder elements to avoid padding. Remove unused
9121 fields left over from the RTL inliner removal.
9122 * function.c (free_after_compilation): Do not zero removed fields.
9123 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9124 (ipa-type-escape.o): Likewise.
9126 2006-06-16 Richard Guenther <rguenther@suse.de>
9128 * cgraph.h (struct cgraph_local_info): Turn bool elements
9130 (struct cgraph_node): Likewise.
9131 (struct cgraph_varpool_node): Likewise.
9133 2006-06-15 Richard Guenther <rguenther@suse.de>
9135 * fold-const.c (fold_truth_not_expr): Rename from
9136 invert_truthvalue. Give it fold_* semantics to avoid
9138 (invert_truthvalue): New function. Wrapper around
9139 fold_truth_not_expr.
9140 (optimize_minmax_comparison): Avoid creating garbage.
9141 (fold_unary): Use fold_truth_not_expr for folding
9143 (fold_ternary): Replace uses of invert_truthvalue with
9144 fold_truth_not_expr where applicable.
9145 * tree.h (fold_truth_not_expr): Prototype.
9147 2006-06-16 Richard Guenther <rguenther@suse.de>
9149 PR tree-optimization/27781
9150 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9151 * ipa-pure-const.c (target.h): Include.
9152 (analyze_function): Do not analyze functions that do not
9155 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9158 * tree-dfa.c (referenced_vars_dup_list): Remove.
9159 (find_referenced_vars): Remove assert.
9160 (referenced_var_check_and_insert): Replace dup list with assert.
9161 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9162 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9164 2006-06-15 Richard Guenther <rguenther@suse.de>
9166 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9167 extra unused identifiers if not dumping.
9168 (create_variable_info_for): Likewise.
9170 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9172 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9173 (derive_constant_upper_bound): Derive more precise upper bound in
9174 common cases. Return type changed to double_int.
9175 (record_estimate): Reflect the changed return type of
9176 derive_constant_upper_bound.
9177 * double-int.c (double_int_zext, double_int_sext): Fix.
9179 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9181 * configure.ac (CFLAGS): Get them from the toplevel or from the
9182 configure invocation.
9183 * configure: Regenerate.
9184 * Makefile.in (CFLAGS): Substitute value provided by configure.
9186 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9189 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9190 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9191 rather than calling add_stmt on it.
9192 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9194 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9197 * reload1.c (reload): Remove registers returned by update_eliminables
9198 from used_spill_regs.
9200 2006-06-13 DJ Delorie <dj@redhat.com>
9202 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9204 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9206 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9207 html__strip_dir, html__mkdir_p. Enhance install-html target.
9208 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9209 * configure: Regenerate.
9211 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9213 * fold-const.c (fold_cond_expr_with_comparison): Check for
9214 Objective-C++ as language in deciding COND_EXPR transformation.
9216 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9219 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9220 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9221 * config/sh/lib1funcs.h (SL, SL1): Define.
9222 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9223 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9224 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9225 (OBJS_Os_4_200): New variable.
9226 ($(T)libgcc-Os-4-200.a): Use it.
9227 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9228 when dividing 1 and/or by 0.
9230 2006-06-13 Roger Sayle <roger@eyesopen.com>
9232 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9233 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9234 * configure: Regenerate.
9236 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9238 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9239 for real instruction.
9241 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9244 * haifa-sched.c (check_cfg): Handle special case.
9246 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9249 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9250 Add debug_info parameter. Chain the vars to the BLOCK instead
9251 of the BIND_EXPR if debug info are requested for them.
9252 (pop_gimplify_context): Adjust for above change.
9253 (gimple_add_tmp_var): Likewise.
9254 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9256 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9257 (convert_local_reference): Likewise.
9258 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9259 (finalize_nesting_tree_1): Request that debug info be emitted
9260 for debug_var_chain.
9262 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9264 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9265 for PR target/27863.
9267 2006-06-13 Richard Guenther <rguenther@suse.de>
9270 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9272 2006-06-13 Richard Guenther <rguenther@suse.de>
9274 PR tree-optimization/27830
9275 * tree-inline.c (copy_body_r): For copying the operand
9276 of an ADDR_EXPR make sure to fold &* afterwards.
9278 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9280 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9281 lvalues in the fb_none case with side-effects.
9283 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9285 * tree-flow.h: Remove the prototype for
9286 compute_phi_arg_on_exit.
9287 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9288 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9291 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9293 * builtins.c (expand_builtin_return_addr): Only use
9294 frame_pointer_rtx when count == 0 and we are expanding
9295 __builtin_return_address.
9297 2006-06-12 Fred Fish <fnf@specifix.com>
9299 * config/mips/mips.c (mips_file_start): Create special section
9300 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9302 2006-06-11 Eric Christopher <echristo@apple.com>
9305 * stor-layout.c (place_field): Remove check for
9306 remaining_in_alignment when aligning at the end of a run.
9308 2006-06-11 Eric Christopher <echristo@apple.com>
9311 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9314 2006-06-11 Roger Sayle <roger@eyesopen.com>
9317 Revert incorrect fix for PR target/27158
9318 2006-05-08 Roger Sayle <roger@eyesopen.com>
9319 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9320 of a reg_equiv_constant if the result is a legitimate constant.
9322 2006-06-11 Roger Sayle <roger@eyesopen.com>
9325 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9326 extract a CONST_VECTOR element and interpret it as an integer.
9327 (vspltis_constant): Use const_vector_elt_as_int instead of the
9328 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9329 * config/rs6000/predicates.md (easy_vector_const): Consider
9330 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9332 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9335 * stor-layout.c (update_alignment_for_field): Don't add extra
9336 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9339 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9341 * config/mips/t-rtems: Add EL/EB multilib variants.
9343 2006-06-09 Mike Stump <mrs@apple.com>
9345 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9347 2006-06-09 David Daney <ddaney@avtrex.com>
9349 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9351 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9353 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9355 2006-06-09 Richard Guenther <rguenther@suse.de>
9357 PR tree-optimization/26998
9358 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9359 of signed types, only TYPE_MIN_VALUE is special, but for both,
9360 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9361 in this case, as is -fwrapv.
9363 2006-06-08 Mike Stump <mrs@apple.com>
9366 * config/darwin.c (darwin_asm_output_anchor): Disable
9367 -fsection-anchors on darwin for now.
9368 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9369 * rs6000/rs6000.c (optimization_options): Likewise.
9371 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9374 * config/i386/i386.c (classify_argument): Skip fields with invalid
9377 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9379 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9380 (cse_insn): Likewise for the stack_pointer_rtx.
9382 2006-06-08 Roger Sayle <roger@eyesopen.com>
9384 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9385 conditions from floating point comparisons.
9387 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9390 * expmed.c (struct alg_hash_entry): Fix type of field T
9391 to match synth_mult argument.
9392 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9394 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9397 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9400 2006-06-08 Richard Guenther <rguenther@suse.de>
9403 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9404 only, if overflow is defined and not trapping.
9405 (negate_expr): Likewise.
9407 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9409 PR tree-optimization/27872
9410 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9411 flag on the new exit edge of the unrolled loop.
9413 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9415 PR rtl-optimization/26449
9416 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9418 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9421 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9422 referenced_variables with matching DECL_UID's.
9423 (find_referenced_vars): Make sure duplicate list is empty to start.
9424 (referenced_var_p): Remove.
9425 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9426 Check if var is in the list, and add if needed. Update the duplicate
9427 list if a different var is in the list with the same DECL_UID.
9428 (add_referenced_var): Call routine to check and insert.
9429 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9430 * tree-flow.h (referenced_vars_dup_list): External declaration.
9432 2006-06-07 Fred Fish <fnf@specifix.com>
9434 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9437 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9440 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9441 the imaginary and real parts of a clobbered register.
9442 Emit insn to set the imaginary part.
9444 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9446 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9447 in lieu of unwind-dw2-fde.c.
9449 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9451 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9453 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9456 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9457 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9458 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9459 V4SImode temporaries and operations instead.
9461 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9463 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9466 2006-06-06 Mike Stump <mrs@apple.com>
9468 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9469 installing during build.
9471 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9473 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9475 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9476 * config/ia64/ia64.c (params.h): New header.
9477 (ia64_optimization_options): New function to adjust parameters.
9478 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9479 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9480 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9482 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9484 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9486 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9489 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9491 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9492 Victor Kaplansky <victork@il.ibm.com>
9494 PR tree-optimization/26360
9495 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9498 2006-06-04 Roger Sayle <roger@eyesopen.com>
9499 Andrew Pinski <pinskia@physics.uc.edu>
9502 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9503 for LABEL_DECL before calling DECL_WEAK.
9506 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9507 LABEL_DECL and PARM_DECL.
9509 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9513 * c-decl.c (grokdeclarator): Disallow variably modified types at
9514 file scope. Avoid marking shared array type of constant size as
9517 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9520 * c-common.c (fold_offsetof_1): Handle static members.
9522 2006-06-04 Eric Christopher <echristo@apple.com>
9524 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9525 (debug_rli): Output value for remaining_in_alignment.
9526 (update_alignment_for_field): Unconditionalize
9527 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9528 extra alignment code.
9529 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9530 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9531 * tree.h (record_layout_info_s): Remove prev_packed.
9532 * doc/extend.texi (ms_struct): Add documentation of format.
9534 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9536 * tree.h: Declare folding_initializer.
9537 * builtins.c (fold_builtin_constant_p): Give definite answer
9538 if folding inside an initializer.
9539 * fold-const.c: Define folding_initializer.
9540 (START_FOLD_INIT): Save and then set folding_initializer.
9541 (END_FOLD_INIT): Restore folding_initializer.
9543 2006-06-04 Richard Guenther <rguenther@suse.de>
9545 PR tree-optimization/27039
9546 * fold-const.c (fold_comparison): Handle pointer comparison
9547 again for all comparison codes. Compare offsets in signed
9549 (fold_binary): Move code from here.
9551 2006-06-03 Roger Sayle <roger@eyesopen.com>
9554 * config/i386/i386.c (construct_container): Split static issued_error
9555 flag into issued_sse_arg_error, issued_sse_ret_error and
9556 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
9557 requires the use of x87 registers and the user explicitly
9558 specified the -mno-80387 command line option.
9560 2006-06-02 Geoffrey Keating <geoffk@apple.com>
9562 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
9563 HAVE_DECL_SIGALTSTACK.
9565 (segv_handler): Use MC_FLD.
9566 * configure.ac: Check for a sigaltstack declaration.
9567 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
9568 * configure: Regenerate.
9569 * config.in: Regenerate.
9571 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
9574 * Makefile.in (stmp-fixinc): Fix typo.
9576 2006-06-02 Roger Sayle <roger@eyesopen.com>
9578 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
9579 are type correct. Clean-up.
9580 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
9581 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
9583 2006-06-01 DJ Delorie <dj@redhat.com>
9585 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
9586 shift, as we've disabled the "switch" insn that needs it.
9588 2006-06-01 Per Bothner <bothner@bothner.com>
9590 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
9591 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
9592 * c-ppoutput.c (cb_define): Don't increment line 0.
9594 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
9596 * doc/invoke.texi: Add cpu_type power6.
9597 * config.gcc: Add cpu_type power6.
9598 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
9599 to power5+ with Altivec.
9600 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
9601 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
9603 2006-05-30 Anatoly Sokolov <aesok@post.ru>
9605 * config/avr/avr.h (SET_ASM_OP): Define.
9607 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
9609 * config/bfin/bfin.c: Fix comment typos.
9611 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9614 * doc/install.texi: Document --enable-bootstrap and
9615 --disable-bootstrap.
9617 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
9619 * doc/install.texi: Document that InfoZIP can replace jar.
9621 2006-05-31 Roger Sayle <roger@eyesopen.com>
9623 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
9624 isn't available, directly generate the simpler x87 patterns without
9625 the (use (const_int 0)).
9626 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
9627 implementation isn't available.
9628 (*negdf2_1): Likewise.
9629 (*negxf2_1): XF mode negation is always done using the x87.
9630 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
9632 2006-05-31 Roger Sayle <roger@eyesopen.com>
9634 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
9635 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
9637 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
9639 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9641 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
9642 * config/bfin/bfin.c (basic-block.h): Include.
9643 (struct machine_function): New.
9644 (bfin_init_machine_status): New.
9645 (override_options): Initialize init_machine_status.
9646 (bfin_hardware_loop): New.
9647 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
9648 (DEF_VEC_P (loop_info)): New.
9649 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
9650 (struct loop_info): New.
9651 (loop_info): New typedef.
9652 (struct loop_work): New.
9653 (loop_work): New typedef.
9654 (DEF_VEC_O (loop_work)): New.
9655 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
9656 (bfin_dump_loops): New.
9657 (bfin_bb_in_loop): New.
9658 (bfin_scan_loop): New.
9659 (bfin_optimize_loop): New.
9660 (bfin_reorg_loops): New.
9661 (bfin_reorg): Use bfin_reorg_loops.
9662 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
9664 (I_REGNO_P): Simplify.
9665 (DP_REGNO_P, DPREG_P): New macros.
9666 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
9667 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
9668 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9669 Add LT_REGS, LC_REGS, LB_REGS.
9670 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
9672 (REGNO_REG_CLASS): Deal with loop registers.
9673 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
9675 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
9676 New constants for loop registers.
9677 (UNSPEC_LSETUP_END): New.
9678 (seq_insns): New define_attr. Set it for appropriate insns.
9679 (movsi_insn): Add alternatives for move from/to
9680 loop count registers.
9681 (doloop_end): New define_expand.
9682 (loop_end): New define_insn.
9683 (define_split for bad doloop_end): New.
9684 (lsetup_with_autoinit): New define_insn.
9685 (lsetup_without_autoinit): New define_insn.
9686 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
9687 * config/bfin/predicates.md (lc_register_operand): New.
9688 (lt_register_operand): New.
9689 (lb_register_operand): New.
9690 (nondp_register_operand): New.
9691 (nondp_reg_or_memory_operand): New.
9692 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
9694 2006-05-31 Jie Zhang <jie.zhang@analog.com>
9696 * config/bfin/bfin.c (bfin_delegitimize_address): New.
9697 (TARGET_DELEGITIMIZE_ADDRESS): Define.
9699 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
9701 * Makefile.in (CATALOGS): Add po/ prefix.
9702 * configure: Regenerated.
9704 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
9707 * arm.c (arm_print_operand case 'S'): Validate that the operand is
9708 a shift operand before calling shift_op. Avoid redundant call of
9711 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
9712 DJ Delorie <dj@redhat.com>
9714 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
9715 we're inserting is a singlt-bit constant.
9717 2006-05-30 Roger Sayle <roger@eyesopen.com>
9719 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
9720 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
9722 2006-05-30 Roger Sayle <roger@eyesopen.com>
9724 PR tree-optimization/23452
9725 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
9726 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
9727 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
9728 complex values and with -ffast-math for FP complex values.
9730 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
9732 * c-common.h: Remove the prototype for yyparse.
9733 * rtl.h: Remove the prototype for init_loop.
9735 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
9737 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
9740 2006-05-30 Roger Sayle <roger@eyesopen.com>
9742 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
9744 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
9745 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
9747 2006-05-30 Dirk Mueller <dmueller@suse.de>
9750 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
9751 for CONSTANT_CLASS_P expresisons.
9753 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9756 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
9758 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
9760 PR tree-optimization/27779
9761 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
9762 initial_condition instead of CHREC_LEFT.
9764 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
9766 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
9767 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
9768 Make prototypes ISO C90.
9770 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
9771 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9773 * see.c (see_analyze_one_def): Correct check.
9774 (see_get_extension_data): Check if extension is parallel.
9775 (see_get_extension_reg): Likewise.
9777 2006-05-30 Uros Bizjak <uros@kss-loka.si>
9780 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
9781 into register for (code == GTU).
9783 2006-05-29 Roger Sayle <roger@eyesopen.com>
9785 PR tree-optimization/24964
9786 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
9787 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
9788 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
9789 abs(x)*abs(x) as x*x for scalar floating point modes.
9791 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
9794 * lambda-code.c (perfect_nestify): Don't copy statements
9795 in the inner loop: move them to the inner loop header.
9797 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9800 * c-tree.texi: Document OpenMP directives and clauses.
9802 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9804 * varasm.c (globalize_decl): Fix indentation.
9806 2006-05-29 Diego Novillo <dnovillo@redhat.com>
9809 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
9810 pass_fre, pass_store_ccp, pass_copy_prop,
9811 pass_store_copy_prop, pass_merge_phi, pass_nrv,
9812 pass_return_slot, pass_object_size, pass_lim,
9813 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
9814 pass_loop_prefetch and pass_stdarg.
9816 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
9818 * config/bfin/bfin.opt (mfdpic): New option.
9819 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
9820 (EXTRA_MULTILIB_PARTS): Likewise.
9821 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
9822 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
9824 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
9825 (CRT_CALL_STATIC_FUNCTION): New.
9826 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
9828 (CRT_CALL_STATIC_FUNCTION): New.
9829 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
9831 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
9832 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
9833 (initialize_trampoline): Changed to handle FD-PIC code generation.
9834 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
9835 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
9836 (override_options): Disallow -mid-shared-library -mfdpic combination.
9837 Can't do unaligned ops if FD-PIC.
9838 Turn off flag_pic if trying to generate non-id-shared-library
9839 non-fdpic code, since it's not supported.
9840 (bfin_assemble_integer): New function.
9841 (TARGET_ASM_INTEGER): Define.
9842 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
9844 * config/bfin/crtn.s: Restore them.
9845 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
9847 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
9848 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
9849 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
9850 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
9851 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
9853 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
9854 FDPIC_REGS and FDPIC_FPTR_REGS.
9855 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
9856 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
9857 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
9858 (load_funcdescsi): New pattern.
9859 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
9860 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
9861 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
9863 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
9865 * gcse.c, rtlanal.c: Remove obsolete comments associated with
9868 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
9870 * tree-flow.h: Remove the prototype for add_type_alias.
9871 * tree-ssa-alias.c (add_type_alias): Remove.
9873 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
9875 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
9876 config/fr30/fr30.md, config/i386/i386-interix.h,
9877 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
9878 config/sh/superh64.h, config/v850/v850.c, df-core.c,
9879 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
9880 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
9881 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
9882 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
9883 Follow spelling conventions.
9884 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
9885 Follow spelling conventions.
9887 2006-05-27 Richard Guenther <rguenther@suse.de>
9890 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
9891 to produce a constant of value 1 of generic type.
9893 2006-05-27 Dirk Mueller <dmueller@suse.de>
9895 * cgraphunit.c (decide_is_function_needed): Fix wrong
9898 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
9900 PR rtl-optimization/27661
9901 * reload.c (find_reloads): When reloading a VOIDmode constant
9902 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
9903 use Pmode as mode of the reload register.
9905 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
9907 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
9908 is enabled at -O and above.
9910 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
9913 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
9916 2006-05-25 Mark Mitchell <mark@codesourcery.com>
9919 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
9920 for anonymous variables explicitly declared by front ends.
9922 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9924 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
9925 (struct alias_info): Add new field ref_all_symbol_mem_tag.
9926 * tree-ssa-alias.c (compute_may_aliases): If the program contains
9927 ref-all pointers, run a finalization pass for them.
9928 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
9929 (finalize_ref_all_pointers): New function.
9930 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
9931 regular pointer type to a ref-all pointer type.
9932 (get_tmt_for): Return the special memory tag for ref-all pointers.
9934 2006-05-25 Richard Guenther <rguenther@suse.de>
9937 * fold-const.c (fold_binary): Do not look at the stripped
9938 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
9940 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
9942 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
9943 for LT and GT if the computed range is effectively empty.
9945 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9948 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
9949 mips_quad_format formats instead of ieee_single_format,
9950 ieee_double_format and ieee_quad_format formats, respectively.
9952 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
9954 PR tree-optimization/27639
9955 PR tree-optimization/26719
9956 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
9957 call to scev_probably_wraps_p.
9958 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
9959 used_in_pointer_arithmetic_p, convert_step): Removed.
9960 (nowrap_type_p): New function.
9961 (scev_probably_wraps_p): Rewritten.
9962 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
9963 chrec_convert if chrec_convert_aggressive might have been used.
9964 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
9965 scev_direction): New functions.
9966 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9967 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9968 instead of convert_step.
9969 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9970 (convert_step): Declaration removed.
9971 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9973 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9975 * df-core.c: Added to header comments.
9976 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9977 df_ur_bb_info, df_urec_bb_info): Added comments.
9978 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9979 urec, ri problems): Fixed header comments.
9980 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9981 code from df_rd_transfer_function.
9983 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9985 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9986 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9987 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9989 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9991 * expr.c (undefined_operand_subword_p): New.
9992 (emit_move_multi_word): Do not generate move from undefined bits
9993 of a paradoxical subreg.
9995 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9997 PR rtl-optimization/27736
9998 * combine.c (replaced_rhs_value): New variable.
9999 (combine_instructions): Set it.
10000 (distribute_notes): When distributing a note in replaced_rhs_insn,
10001 check whether the value was used in replaced_rhs_value.
10003 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10006 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10007 add_referenced_var instead of add_referenced_tmp_var.
10008 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10009 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10010 add_referenced_var.
10011 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10012 tree_optimize_tail_calls_1): Use add_referenced_var.
10013 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10014 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10015 Use add_referenced_var.
10016 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10017 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10018 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10019 Use add_referenced_var.
10020 * tree-dfa.c (struct walk_state): Remove.
10021 (find_referenced_vars): Remove walk state and vars_found hash table.
10022 (make_rename_temp): Use add_referenced_var.
10023 (find_vars_r): Pass less parameters to add_referenced_var.
10024 (referenced_var_p): New. Is var in referenced_var hash table.
10025 (referenced_var_insert): Assert var isn't already in hash table.
10026 (add_referenced_var): Don't need walk_state parameter. Add var if it
10027 isn't already in the hash table.
10028 (add_referenced_tmp_var): Remove.
10029 (find_new_referenced_vars_1): Use add_referenced_var.
10030 * tree-ssa-pre.c (create_expression_by_pieces,
10031 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10032 Use add_referenced_var.
10033 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10034 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10035 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10036 add_referenced_var.
10037 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10038 vect_create_data_ref_ptr, vect_create_destination_var,
10039 vect_init_vector, vect_build_loop_niters,
10040 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10041 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10042 Use add_referenced_var.
10043 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10044 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10045 (add_referenced_var): Add prototype.
10046 * tree-ssa-structalias.c (get_constraint_for,
10047 intra_create_variable_infos): Use add_referenced_var.
10049 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10051 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10052 big-endian paradoxical subregs.
10053 * var-tracking.c (struct micro_operation_def): Document that,
10054 for modify micro operations, insn is the subsequent instruction.
10055 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10056 (var_reg_set, var_mem_set): ... new functions.
10057 (add_stores): Record subsequent insn.
10058 (compute_bb_dataflow): Use new functions for MO_USE.
10059 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10060 notes after the insn, and modify notes before the insn known
10061 to be the subsequent one.
10062 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10064 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10067 * config/i386/i386.c (ix86_expand_builtin): Use
10068 gen_sse3_monitor64 for TARGET_64BIT.
10070 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10072 PR rtl-optimization/26375
10073 PR rtl-optimization/26855
10074 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10076 (df_ru_bb_local_compute): Reversed statements and removed bogus
10077 comment explaining why they should be in wrong order.
10078 (df_ru_dump, df_rd_dump): Enhanced debug info.
10079 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10081 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10082 reaching uses and fixed space problem.
10084 2006-05-23 Jan Hubicka <jh@suse.cz>
10086 * cgraphunit.c (decide_is_function_needed): Also nested functions
10087 and functions declared inline can be optimized out at -O0.
10089 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10091 * doc/install.texi (Configuration): Remove reference to CrossGCC
10092 FAQ which was gone.
10095 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10098 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10099 ix86_compare_emitted is non-NULL.
10101 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10104 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10107 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10109 PR rtl-optimization/25514
10110 * combine.c (replaced_rhs_insn): New variable.
10111 (combine_instructions): Set replaced_rhs_insn when trying to replace
10112 a SET_SRC with a REG_EQUAL note.
10113 (distribute_notes): Use replaced_rhs_insn when determining the live
10114 range of a REG_DEAD register.
10116 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10117 Anatoly Sokolov <aesok@post.ru>
10119 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10120 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10121 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10122 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10123 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10124 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10125 at90usb647, at90usb1286 and at90usb1287 devices.
10126 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10127 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10129 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10131 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10133 2006-05-22 Richard Guenther <rguenther@suse.de>
10136 2006-01-31 Richard Guenther <rguenther@suse.de>
10137 Paolo Bonzini <bonzini@gnu.org>
10139 * doc/install.texi (--disable-libgcc-math): Document.
10141 2006-05-22 Richard Guenther <rguenther@suse.de>
10144 2006-01-31 Richard Guenther <rguenther@suse.de>
10146 * doc/invoke.texi (-msselibm): Document.
10147 * target.h (expand_library_builtin): New target hook.
10148 * builtins.c (expand_builtin): Use expand_library_builtin.
10149 (default_expand_library_builtin): New function.
10150 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10151 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10152 (link_gcc_math_spec): Declare.
10153 (static_specs): Add link_gcc_math_spec.
10154 * expr.h (default_expand_library_builtin): Declare.
10155 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10156 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10157 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10158 * config/i386/i386.opt (msselibm): New target option.
10159 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10160 (ix86_init_sse_abi_builtins): New function.
10161 (ix86_expand_library_builtin): Likewise.
10162 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10163 (override_options): Handle error conditions wrt -msselibm.
10164 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10165 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10166 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10169 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10172 * c-common.c (self_promoting_args_p): Skip erroneous args.
10175 * c-decl.c (finish_struct): Skip erroneous fields.
10177 2006-05-22 Nick Clifton <nickc@redhat.com>
10179 * config/cris/cris.opt (march): Remove VarExists attribute.
10180 (max-stackframe=): Likewise.
10182 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10184 * doc/rtl.texi: Fix a typo.
10185 * see.c: Fix comment typos.
10187 * tree-ssa-structalias.h (alias_info): Remove num_references.
10189 2006-05-21 Mike Stump <mrs@apple.com>
10191 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10193 (darwin_pragma_options): Use BAD instead.
10194 (darwin_pragma_unused): Likewise.
10195 (darwin_pragma_ms_struct): Likewise.
10197 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10199 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10201 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10203 PR rtl-optimization/27671
10204 * simplify-rtx.c (simplify_relational_operation_1): Fix
10205 simplifications of (eq/ne (xor x y) y) and
10206 (eq/ne (xor x y) x).
10208 PR tree-optimization/26622.
10209 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10212 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10214 * tree-cfg.c: Prune whitespace.
10215 (debug_tree_cfg): Point to correct header containing the
10218 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10220 PR middle-end/25776
10221 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10223 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10225 PR middle-end/25776
10226 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10227 or sorry count is non zero.
10229 2006-05-20 Andreas Schwab <schwab@suse.de>
10231 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10233 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10234 Kenneth Zadeck <zadeck@naturalbridge.com>
10236 PR rtl-optimization/26855
10238 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10240 (df_scan_alloc): Added code to properly handle multiword hard
10241 registers and add all_blocks parameter.
10242 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10243 code to properly handle multiword hard registers.
10244 (df_rescan_blocks): Added code to remove deleted blocks from
10246 (df_ref_create_structure, df_ref_record): Added code to properly
10248 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10249 and set DF_REF_PARTIAL.
10250 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10251 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10252 (df_scan_add_problem): Added flags parameter.
10253 (df_ref_create_structure): Changed switching structure.
10254 (df_bb_refs_record): Fixed case where duplicate artificial refs
10255 were created. Changed location of flags.
10256 (df_record_entry_block_defs): Added code to make stack pointer
10257 live in entry block. Refined cases where frame pointer is needed.
10258 Changed location of flags.
10259 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10260 (df_set_state): Removed function.
10261 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10262 df_insn_create_insn_record, df_insn_refs_delete,
10263 df_ref_create_structure): Formatting changes.
10264 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10265 df_delete_basic_block): New function.
10266 (df_init): Changed location of flags.
10267 (df_add_problem): Added flags parameter and the way flags are
10269 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10270 debug_df_chain): Improved debugging output.
10271 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10272 (df_refs_chain_dump): Removed df parameter.
10273 (df_iterative_dataflow): Added consistency check.
10274 (df_prune_to_subcfg): Made public.
10275 (df_analyze_problem): Added blocks_to_init parameter and made
10277 (df_ref_record, df_bb_refs_record, df_mark_reg,
10278 df_record_exit_block_uses): Whitespace changes.
10279 (df_dump): Whitespace changes.
10280 * df.h: Some reordering to remove forward references.
10281 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10282 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10283 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10284 (dataflow.flags): New field.
10285 (df.flag): Deleted field.
10286 (df_alloc_function): Added additional bitmap parameter.
10287 (df_dependent_problem_function): New type.
10288 (df_problem.changeable_flags): New field.
10289 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10290 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10291 (df_mw_hardreg): New struct.
10292 (DF_INSN_UID_MWS): New macro.
10293 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10295 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10296 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10297 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10298 (df_set_state): Removed function.
10299 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10300 * df-problems.c (df_chain_dump): Removed df parameter.
10301 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10302 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10304 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10305 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10306 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10307 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10308 DF_REF_MUST_CLOBBER cases.
10309 (df_ru_bb_local_compute_process_def,
10310 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10311 df_lr_bb_local_compute, df_ur_bb_local_compute,
10312 df_chain_create_bb): Made subreg aware.
10313 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10314 df_lr_bb_local_compute, df_lr_bb_local_compute,
10315 df_chain_create_bb): Cleanup to use proper macros.
10316 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10317 code to fixup bitvectors.
10318 (df_ri_alloc): Cleared lifetime.
10319 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10320 df_create_unused_note): New function.
10321 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10322 REG_DEAD and REG_UNUSED notes as well as register information.
10323 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10324 df_chains_dump): Fixed crash if problem was never run.
10325 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10326 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10327 df_ri_add_problem): Processes flags in uniform manner.
10328 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10329 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10330 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10331 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10332 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10333 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10334 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10335 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10336 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10337 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10338 * see.c (see_initialize_data): Ditto.
10339 * final.c (rest_of_clean_state) Added regstack_completed.
10340 * rtl.h (regstack_completed): Ditto.
10341 * reg-stack.c (regstack_completed): Ditto.
10343 2006-05-19 Mike Stump <mrs@apple.com>
10345 * c-tree.h (default_conversion): Remove.
10346 * c-common.h (default_conversion): Add.
10348 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10350 * tree-vrp.c (valid_value_p): New function.
10351 (adjust_range_with_scev): Fail if the value of bound is not
10354 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10356 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10357 (mips_fallback_frame_state): Use syscall numbers to determine
10358 the appropriate li instruction for the current ABI. Only use
10359 __NR_sigreturn for o32.
10361 2006-05-19 Nicolas Setton <setton@adacore.com>
10363 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10364 * langhooks.c (lhd_dwarf_name): New function.
10365 * langhooks-def.h (lhd_dwarf_name): Declare.
10366 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10367 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10369 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10371 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10373 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10374 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10375 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10376 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10377 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10378 determine the size of Wtype, etc.
10379 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10380 (swfloatfuncs): New variable.
10381 (dwfloatfuncs): Likewise.
10382 (lib2funcs): Remove floating-point conversion functions from
10383 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10384 the set of conversion routines needed. Allow entries to specify
10385 an object name, filename and word size. Update users accordingly.
10386 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10387 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10391 2006-02-08 Roger Sayle <roger@eyesopen.com>
10394 * config/fixtfdi.c: New libgcc source file.
10395 * config/fixunstfdi.c: New source file.
10396 * config/floatditf.c: New source file.
10397 * config/floatunditf.c: New souce file.
10398 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10399 files above instead of config/mips/_tilib.c.
10400 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10402 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10404 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10405 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10407 2006-05-18 Mike Stump <mrs@apple.com>
10409 Fix up vla, vm and [*] sematics.
10415 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10416 (c_vla_unspec_p): Add.
10417 (c_vla_type_p): Add.
10418 * c-decl.c (struct c_scope): Add had_vla_unspec.
10419 (build_array_declarator): Add support for [*].
10420 (grokdeclarator): Likewise.
10421 (grokparms): Likewise.
10422 (get_parm_info): Likewise.
10423 * c-objc-common.c (c_vla_unspec_p): Likewise.
10424 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10425 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10426 typeof when argument is a variably modified type not inside sizeof or alignof.
10427 (c_parser_direct_declarator_inner): Propagate errors.
10428 (c_parser_sizeof_expression): Add support for [*].
10429 (c_parser_parms_declarator): Initialize had_vla_unspec.
10430 (c_parser_parms_list_declarator): Likewise.
10431 * c-typeck.c (c_vla_type_p): Add.
10432 (composite_type): Add support for vla compositing.
10433 (comptypes_internal): Add support for vla compatibility.
10434 (c_expr_sizeof_expr): Evaluate vla arguments.
10435 * tree.c (variably_modified_type_p): Update comment for [*].
10437 2006-05-18 Michael Matz <matz@suse.de>
10440 * config.host: Make assignments to host_xmake_file cumulative.
10441 * config.host (*-darwin*): Test $host, not $target.
10443 2006-05-12 Stuart Hastings <stuart@apple.com>
10445 * config/i386/i386.opt (-mstackrealign): New flag.
10446 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10447 (ix86_handle_cconv_attribute): Emit error when
10448 force_align_arg_pointer attribute collides with too many regparms.
10449 (ix86_function_regparm): Limit regparms when used with
10450 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10451 Support stack-realigning prologue in non-main functions. Emit
10452 warning for nested functions under -mstackrealign, emit error for
10453 nested functions with force_align_arg_pointer attribute.
10454 * doc/extend.texi (force_align_arg_pointer): Document it.
10455 * doc/invoke.texi (-mstackrealign): Document it.
10457 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10459 PR rtl-optimization/27477
10460 * combine.c (try_combine): Don't split a parallel consisting
10461 of two sets into two individual sets if both sets reference
10464 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10466 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10467 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10469 * doc/options.texi (VarExists): Updated.
10471 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10473 * unwind-dw2.c: Add declarations for uw_update_context and
10474 uw_frame_state_for.
10475 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10476 detected, advance frame state and context once to skip over stub.
10478 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10480 PR middle-end/20256
10481 PR middle-end/26435
10482 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10483 Call rewrite_into_loop_closed_ssa only when something changed.
10484 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10485 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10486 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10487 Test for perfect_nest_p here. Fix formating.
10488 (replace_uses_equiv_to_x_with_y): Fix formating.
10489 (stmt_uses_op): Removed.
10490 (can_convert_to_perfect_nest): Removed loopivs parameter.
10491 Complete the test by checking the scalar dependences.
10492 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10495 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10498 From Dan Kegel <dank@kegel.com>:
10499 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10501 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10503 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10504 if the element type is variably modified without recursing.
10506 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10508 PR middle-end/27332
10509 * tree-loop-linear.c (try_interchange_loops): Test for
10510 no data dependences.
10512 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10514 PR tree-optimization/27548
10515 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10516 range of ssa names that appear on abnormal edges.
10517 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10518 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10520 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10522 PR middle-end/27620
10523 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10525 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10527 PR middle-end/27415
10528 * tree.h (OMP_PARALLEL_COMBINED): Define.
10529 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10530 (new_omp_context): Add is_combined_parallel argument.
10531 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10532 new_omp_context caller.
10533 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10534 Adjust gimplify_scan_omp_clauses callers.
10535 (omp_is_private): Issue errors if iteration variable is firstprivate
10536 or reduction in the current context.
10537 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10538 on combined parallel workshare constructs.
10540 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10542 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10543 (gcc-options.o): New rule.
10545 * optc-gen.awk: Protect variables for gcc-options.o with
10546 #ifdef GCC_DRIVER/#endif.
10548 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10550 Fix PR tree-optimization/27373
10551 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10552 (forward_propagate_addr_expr): Update call.
10554 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10556 * doc/options.texi: Move the Negative option.
10558 2006-05-16 Richard Guenther <rguenther@suse.de>
10560 PR tree-optimization/22303
10561 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
10563 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
10564 ccp_fold did not simplify the statement.
10566 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10569 * Makefile.in (GCC_OBJS): New.
10570 (OBJS-common): Add opts-common.o.
10571 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
10572 (cpp$(exeext)): Likewise.
10573 (gcc.o): Also depend on opts.h.
10574 (opts-common.o): New.
10576 * common.opt (gcoff): Add Negative(gdwarf-2).
10577 (gdwarf-2): Add Negative(gstabs).
10578 (gstabs): Add Negative(gstabs+).
10579 (gstabs+): Add Negative(gvms).
10580 (gvms): Add Negative(gxcoff).
10581 (gxcoff): Add Negative(gxcoff+).
10582 (gxcoff+): Add Negative(gcoff).
10583 * config/i386/i386.opt (m32): Add Negative(m64).
10584 (m64): Add Negative(m32).
10586 * doc/options.texi: Document the Negative option.
10588 * gcc.c: Include "opts.h".
10589 (main): Call prune_options after expandargv.
10591 * optc-gen.awk: Generate common declarations for all flag
10592 variables in options.c. Output the neg_index field.
10594 * opts.c (find_opt): Moved to ...
10595 * opts-common.c: Here. New file.
10597 * opts.h (cl_option): Add a neg_index field.
10599 (prune_options): Likewise.
10601 2006-05-16 Jakub Jelinek <jakub@redhat.com>
10603 PR middle-end/27573
10604 * omp-low.c (expand_omp_parallel): Don't assert
10605 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
10606 instead search for it.
10609 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
10612 2006-05-16 Andreas Schwab <schwab@suse.de>
10614 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
10617 2006-05-15 Roger Sayle <roger@eyesopen.com>
10620 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
10621 integer constants other than zero are only legitimate on TARGET_64BIT.
10622 <CONST_VECTOR> Only zero vectors are legitimate.
10623 (ix86_cannot_force_const_mem): Integral and vector constants can
10624 always be put in the constant pool.
10626 2006-05-16 DJ Delorie <dj@redhat.com>
10628 * crtstuff.c (__dso_handle): Set section from
10629 TARGET_LBIGCC_SDATA_SECTION if defined.
10630 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
10631 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
10633 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
10636 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
10639 2006-05-16 Ben Elliston <bje@au.ibm.com>
10641 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
10643 2006-05-15 Per Bothner <per@bothner.com>
10645 * tree.c: (last_annotated_node): Use source_locus typedef.
10646 This permits bootstrapping with --enable-mapped-location.
10648 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
10650 PR tree-optimization/26830
10651 * tree-into-ssa.c (struct ssa_name_info): Add age field.
10652 (info_for_ssa_name, current_info_for_ssa_name_age,
10653 blocks_to_update): New variables.
10654 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
10655 (clear_ssa_name_info, initialize_flags_in_bb,
10656 mark_block_for_update): New functions.
10657 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
10658 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
10659 prepare_def_site_for): Use mark_block_for_update.
10660 (mark_def_interesting): Assert that the processed block is marked in
10661 blocks_to_update. Do not take blocks argument.
10662 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
10664 (rewrite_update_init_block, rewrite_update_stmt): Only process
10665 blocks with statements to rewrite.
10666 (delete_update_ssa): Do not clear SSA_NAME_AUX.
10667 (update_ssa): Initialize and free blocks_to_update. Do not
10668 clear flags on statements. Do not use blocks bitmap.
10669 * tree.h (SSA_NAME_AUX): Removed.
10670 (struct tree_ssa_name): Removed aux field.
10671 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
10673 2006-05-15 Richard Guenther <rguenther@suse.de>
10675 PR tree-optimization/27603
10676 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
10677 Do computations in original type.
10679 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
10681 * see.c: Code style changes such as redundant paranthesis,
10682 redundant intialization of local variables etc.
10683 (see_main): Declared now as static.
10684 * doc/invoke.texi: Update that -fsee is not enabled by
10687 2006-05-15 Jakub Jelinek <jakub@redhat.com>
10689 * omp-low.c (check_omp_nesting_restrictions): New function.
10690 (scan_omp_1): Call it.
10692 PR middle-end/27416
10693 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
10694 construct, return *VAR.
10696 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
10698 PR rtl-optimization/27406
10699 * bt-load.c (migrate_btr_def): Skip the block having abnormal
10702 2006-05-14 Roger Sayle <roger@eyesopen.com>
10704 PR rtl-optimization/27538
10705 * combine.c (expand_compound_operation): Call gen_lowpart
10706 before calling simplify_shift_const.
10708 2006-05-14 Roger Sayle <roger@eyesopen.com>
10710 PR rtl-optimization/22563
10711 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
10712 a fixed width bitfield, always force the intermediates into psuedos.
10714 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10717 * mkconfig.sh: Use operator = instead of == for test.
10719 2006-05-13 Nick Clifton <nickc@redhat.com>
10721 * dwarf2out.c (dbx_reg_number): Check return value from
10722 LEAF_REG_REMAP and only use it if it is valid.
10723 (multiple_reg_loc_descriptor): Likewise.
10725 2006-05-13 Richard Guenther <rguenther@suse.de>
10727 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
10730 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
10732 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
10733 information attached to non-INSNs such as NOTEs.
10734 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
10736 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
10738 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
10740 * config/s390/s390.md: Adjust comment describing On constraint.
10742 2006-05-11 Jan Hubicka <jh@suse.cz>
10744 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
10745 to be output at -O0.
10747 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10749 PR middle-end/27384
10750 * fold-const.c (size_binop): Move sanity check for arguments to
10751 the beginning of the function.
10753 PR middle-end/27488
10754 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
10757 2006-05-11 Richard Guenther <rguenther@suse.de>
10759 PR middle-end/27529
10760 * fold-const.c (fold_unary): Handle intermediate conversion
10761 to a pointer type like intermediate conversion to an integer
10762 type in folding of (T1)(T2)var to var.
10763 Match the code to the comment in the final conversion for
10764 (T1)(T2)var to (T1)var regarding to type precision. Rather
10765 than disallow T1 being of pointer type, assert that both T1
10766 and var are of pointer type or not. Make sure not to fall
10767 over the frontends lazyness wrt array to pointer decay though.
10769 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
10771 * arm.c (arm_struct_value_rtx): Delete.
10772 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
10773 (arm_init_cumulative_args): Always initialize nregs to zero.
10775 2006-05-10 Richard Guenther <rguenther@suse.de>
10777 PR tree-optimization/27532
10778 * tree-object-size.c (plus_expr_object_size): Fix typo.
10780 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
10783 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10784 ashrdi_const, ashrdi3): Use a scratch register.
10786 2006-05-10 Richard Guenther <rguenther@suse.de>
10788 PR tree-optimization/27302
10789 * fold-const.c (operand_equal_p): For two comparisons,
10790 try comparison of one comparison code swapped if that yields
10793 2006-05-10 Ben Elliston <bje@au.ibm.com>
10795 * tree-pretty-print.c (pretty_print_string): No need to handle
10796 '\0' as a special character.
10798 * tree.h: Include "hashtab.h".
10799 (iterative_hash_expr): Use hashval_t in its prototype.
10800 * Makefile.in (TREE_H): Add $(HASHTAB_H).
10802 2006-05-09 Steve Ellcey <sje@cup.hp.com>
10805 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
10806 (hppa*64*-*-hpux11*): Ditto.
10807 (hppa[12]*-*-hpux11*): Ditto.
10809 2006-05-09 David Edelsohn <edelsohn@gnu.org>
10812 * config/rs6000/aix41.h (TARGET_64BIT): Define.
10814 2006-05-09 Michael Matz <matz@suse.de>
10816 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
10817 host_extra_gcc_objs and host_xmake_file.
10818 (<*-*-linux*>): Don't overwrite host_xmake_file.
10819 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
10820 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
10821 (host_detect_local_cpu): Declare.
10822 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
10823 * config/i386/i386.c (override_options): Handle -mtune=native
10825 * config/i386/x-i386: New file.
10826 * config/i386/driver-i386.c: New file.
10827 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
10830 2006-05-09 Dirk Mueller <dmueller@suse.de>
10831 Richard Guenther <rguenther@suse.de>
10833 PR middle-end/27498
10834 * fold-const.c (fold_read_from_constant_string): Relax check
10835 for matching types to matching modes.
10837 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10839 PR rtl-optimization/27335
10840 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
10843 2006-05-08 Chao-ying Fu <fu@mips.com>
10844 Richard Sandiford <richard@codesourcery.com>
10846 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
10847 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
10848 * config/mips/mips.md (UNSPEC_SCC): New constant.
10849 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
10850 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
10851 (mips_emit_compare): Use it.
10852 (mips_expand_vcondv2sf): New function.
10854 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
10856 Fix PR tree-optimization/27093
10857 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
10858 renaming when they become not-used_alone.
10860 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10862 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10863 relocation and relocation stubs.
10865 2006-05-08 Eric Christopher <echristo@apple.com>
10867 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
10870 2006-05-08 Jan Hubicka <jh@suse.cz>
10872 PR middle-end/24561
10873 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10874 unused static functions are needed.
10876 2006-05-08 Roger Sayle <roger@eyesopen.com>
10879 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
10880 of a reg_equiv_constant if the result is a legitimate constant.
10882 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10885 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
10886 standard 80387 constants, raise the cost to prevent
10887 compress_float_constant() to generate load from memory.
10889 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10891 * config/arm/constraints.md (c): Fix a typo.
10893 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
10896 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
10899 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
10901 (_mm_mwait): Likewise.
10903 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
10905 (sse3_monitor): Make it 32bit only.
10906 (sse3_monitor64): New. 64bit monitor.
10908 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10911 * config/i386/i386.c (classify_argument): Skip fields with invalid
10914 2006-05-07 Richard Guenther <rguenther@suse.de>
10916 PR tree-optimization/27409
10917 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10918 Do not try to find zero-sized subvars.
10920 2006-05-07 Richard Guenther <rguenther@suse.de>
10922 PR tree-optimization/27136
10923 * tree-ssa-loop-niter.c (get_val_for): Correct function
10924 comment, assert requirements.
10925 (loop_niter_by_eval): Stop processing if the iterated
10926 value did not simplify.
10928 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
10930 * opts.c (flag_see): remove its setting at -O3.
10932 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
10934 * genpeep.c (main): Make insn-peep.c depend on flags.h.
10935 * arm/constraints.md: New file.
10936 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
10937 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
10938 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
10939 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
10940 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
10941 (EXTRA_MEMORY_CONSTRAINT): Likewise.
10942 * arm.md: Include constraints.md.
10943 (thumb_movsi_insn): Use satisfies_constraint_J.
10944 (movhi, movqi): Use satisfies_constraint_I.
10946 2006-04-29 Anatoly Sokolov <aesok@post.ru>
10948 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
10949 for atmeg a645 device.
10951 2006-05-06 Richard Guenther <rguenther@suse.de>
10953 PR tree-optimization/27151
10954 * tree-vect-transform.c (vectorizable_condition): Punt on
10955 values that have a different type than the condition.
10957 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10960 * c-parser.c (c_parser_cast_expression): Only insert casts into
10961 hash table if pointer.
10962 * function.c (used_types_insert_helper): Rename from
10964 (used_types_insert): Call used_types_insert_helper.
10965 * function.h (used_types_insert): Accept only one argument.
10967 2006-05-05 David Edelsohn <edesohn@gnu.org>
10969 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10970 scratch with output modifier.
10972 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10975 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10976 with output modifier.
10978 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10981 * config/mips/mips.c (mips_symbolic_address_p): Return true
10982 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10983 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10985 2006-05-04 Richard Guenther <rguenther@suse.de>
10987 PR tree-optimization/14287
10988 PR tree-optimization/14844
10989 PR tree-optimization/19792
10990 PR tree-optimization/21608
10991 PR tree-optimization/27090
10992 * tree-ssa-pre.c (try_combine_conversion): New function.
10993 (compute_avail): After constructing the value-handle
10994 expression, use try_combine_conversion to combine NOP_EXPRs
10995 with previous value-handle expressions and use the result if it
10998 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11000 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11002 2006-05-04 Jan Hubicka <jh@suse.cz>
11004 PR middle-end/25962
11005 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11007 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11009 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11010 that this only matches CONST_INTs. All users changed to VOIDmode
11013 * config/bfin/bfin.c: Include "optabs.h".
11014 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11016 (enum bfin_builtins): Add a number of fractional and vector builtins.
11017 (bfin_init_builtins): Likewise.
11018 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11019 (safe_vector_operand, bfin_expand_binop_builtin,
11020 bfin_expand_unop_builtin): New functions.
11021 (bfin_expand_builtin): Handle the new builtins.
11022 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11025 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11028 * Makefile.in (OBJS-common): Add see.o.
11029 (see.o): Add dependencies.
11030 * common.opt (fsee): New flag for the see optimization was added.
11031 * opts.c (flag_see): Initialized.
11032 * passes.c (init_optimization_passes, pass_see): New pass.
11033 * rtl.h (see_main): Declaration as extern.
11034 * timevar.def (TV_SEE): New.
11035 * tree-pass.h (pass_see): Declaration as extern.
11036 * invoke.texi (-fsee): Document.
11037 * recog.c (validate_simplify_insn): New function.
11038 * recog.h (validate_simplify_insn): Declaration as extern.
11039 * df-problems.c (df_chain_dump): Check for NULL.
11041 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11042 Daniel Berlin <dberlin@dberlin.org>
11044 * cfgrtl.c (insert_insn_bb_end_new): New function.
11045 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11047 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11049 * df.h (struct web_entry): Moved from web.c.
11050 (union_defs): Declaration as extern.
11051 (unionfind_root): Likewise.
11052 (unionfind_union): Likewise.
11053 * web.c (struct web_entry): Moved to df.h.
11054 (unionfind_root): Remove static declaration.
11055 (unionfind_union): Likewise.
11056 (union_defs): Likewise and generalize to use callback function.
11057 (web_main): Update arguments for union_defs function call.
11059 2006-05-04 Richard Guenther <rguenther@suse.de>
11061 PR tree-optimization/26447
11062 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11063 produce SSA_NAME copies before the store stmt to avoid
11064 breaking exception handling.
11066 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11068 PR middle-end/27388
11069 * gimplify.c (omp_is_private): If var is shared in some outer context,
11070 return false instead of true. Stop searching on parallel context
11073 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11076 * coverage.c: Use get_gcov_unsigned_t() instead of
11077 unsigned_type_node all over.
11079 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11081 PR tree-optimization/27381
11082 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11083 maintain the same immediate_use links.
11084 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11085 node rather than segfaulting.
11087 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11090 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11091 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11092 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11094 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11096 Fix PR tree-optimization/26626
11097 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11099 * tree-ssa-operands.c (access_can_touch_variable): Allow
11100 typecasting through union pointers.
11102 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11105 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11106 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11107 to find if var will be a global variable even in the nested context.
11108 (omp_copy_decl): Only check for global variable at the end, it might
11109 be overridden in outer contexts.
11110 (scan_sharing_clauses): For global variables don't create a field.
11111 (lower_rec_input_clauses): Do nothing for global shared variables.
11112 Emit a barrier at the end of ILIST if there were any decls in both
11113 firstprivate and lastprivate clauses.
11114 (lower_send_clauses): Do nothing for global variables except for
11117 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11119 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11120 of the correct signedness is returned.
11122 2006-05-02 Jeff Law <law@redhat.com>
11124 PR tree-optimization/27364
11125 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11126 multiply expressions.
11128 2006-05-02 Tom Tromey <tromey@redhat.com>
11130 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11132 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11135 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11136 -mthumb -fPIC are used.
11138 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11139 Joshua Kinard <kumba@gentoo.org>
11142 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11143 with 64-bit pointers.
11145 2006-05-02 Paul Brook <paul@codesourcery.com>
11147 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11149 (create_fix_barrier): Check that a suitable barrier location is
11151 (arm_reorg): Include ftmp->address in allowable range of addresses.
11153 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11156 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11159 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11161 PR middle-end/27337
11162 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11163 around RESULT_DECL for result passed by reference.
11164 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11165 * omp-low.c (use_pointer_for_field): Don't look at
11166 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11167 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11168 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11169 time or var for passing by reference for
11170 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11171 TREE_ADDRESSABLE variables when passing by reference.
11173 * omp-low.c (dump_omp_region): Fix output formatting.
11175 PR middle-end/27328
11176 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11177 (expand_omp_parallel): Likewise.
11178 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11180 PR middle-end/27325
11181 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11182 on statement list containing also constructors and destructors.
11183 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11185 PR middle-end/27310
11186 * except.c (duplicate_eh_regions): Fix clearing of
11187 cfun->eh->region_array entries.
11189 2006-05-01 DJ Delorie <dj@redhat.com>
11191 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11193 (gcc_cv_objdump): Likewise.
11194 * configure: Regenerated.
11196 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11199 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11200 templates for case 3 and 4.
11202 2006-05-01 DJ Delorie <dj@redhat.com>
11204 * vec.c: Include bconfig.h when appropriate.
11205 * Makefile.in (build/vec.o): Adjust dependencies.
11206 * mkconfig.sh: Make sure config.h isn't used for build machine
11209 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11211 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11213 (mark_phi_for_rewrite): New function.
11214 (insert_phi_nodes_for, mark_use_interesting): Call
11215 mark_phi_for_rewrite.
11216 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11217 (update_ssa): Initialize and free phis_to_rewrite.
11219 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11221 PR rtl-optimization/27291
11222 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11223 folded to a constant.
11225 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11227 PR tree-optimization/27283
11228 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11229 not whole # of iteration descriptions.
11230 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11231 uses abnormal ssa name.
11232 (niter_for_single_dom_exit): Ditto.
11233 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11234 return just the number of iterations.
11236 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11238 PR tree-optimization/27144
11239 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11240 (record_estimate): Only record constant upper bound.
11241 (infer_loop_bounds_from_undefined): Call
11242 compute_estimated_nb_iterations just once.
11243 (proved_non_wrapping_p): Renamed to ...
11244 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11245 (convert_step_widening, scev_probably_wraps_p): Call
11246 n_of_executions_at_most instead of proved_non_wrapping_p.
11247 (substitute_in_loop_info): Do not replace values in bounds.
11248 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11251 2006-05-01 Richard Henderson <rth@redhat.com>
11254 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11255 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11258 2006-05-01 Roger Sayle <roger@eyesopen.com>
11260 * c-typeck.c (parser_build_binary_op): Don't call the function
11261 unsigned_conversion_warning to spot operand/result type overflow.
11262 (build_binary_op): Instead, call convert_and_check instead of
11263 convert to report the problem when the operands are promoted.
11264 * c-common.c (unsigned_conversion_warning): Make static.
11265 * c-common.h (unsigned_conversion_warning): Delete prototype.
11267 2006-05-01 Richard Guenther <rguenther@suse.de>
11269 PR tree-optimization/26726
11270 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11272 (find_interesting_uses_address): ... we work around here
11273 by folding INDIRECT_REFs in the substituted base.
11275 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11277 * omp-low.c (dump_omp_region): Add newlines.
11279 2006-04-30 Roger Sayle <roger@eyesopen.com>
11281 * common.opt (Woverflow): New command line option.
11282 * c-common.c (constant_expression_warning): Check warn_overflow.
11283 (overflow_waring): Pass OPT_Woverflow to warning.
11284 (unsigned_conversion_warning): Likewise.
11285 (convert_and_check): Likewise.
11286 * doc/invoke.texi: Document new command line option.
11288 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11290 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11291 TARGET_NO_FP_IN_TOC for section anchors.
11292 (optimization_options): Enable section anchors for all
11293 non-"Objective" languages.
11295 2006-04-28 Eric Christopher <echristo@apple.com>
11297 * config/darwin-c.c (darwin_ms_struct): Move this
11298 (darwin_set_default_type_attributes): and this...
11299 * config/darwin.c: ... here.
11300 * config/darwin.h (darwin_ms_struct): Declare.
11302 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11304 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11306 2006-04-28 Roger Sayle <roger@eyesopen.com>
11309 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11310 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11311 an unsigned HOST_WIDE_INT.
11312 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11314 (really_start_incremental_init): No need to call convert because
11315 bitsize_zero_node is already of type bitsizetype.
11316 (push_init_level): Extract the value of constructor_index as an
11317 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11318 (process_init_element): Likewise.
11320 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11322 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11323 value before passing to make_relative_prefix.
11325 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11327 PR middle-end/27260
11328 * builtins.c (expand_builtin_memset): Expand val in original mode.
11330 2006-04-27 Eric Christopher <echristo@apple.com>
11332 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11333 with #ifndef/#endif.
11334 * config/darwin-c.c (darwin_ms_struct): New.
11335 (darwin_pragma_ms_struct): Ditto.
11336 (darwin_set_default_type_attributes): Ditto.
11337 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11338 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11339 Register ms_struct pragma.
11340 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11341 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11342 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11343 darwin_set_default_type_attributes if TARGET_MACHO.
11345 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11347 PR tree-optimization/26854
11348 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11349 * doc/tree-ssa.texi: Update immuse iterator documentation.
11350 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11351 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11352 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11353 first_safe_imm_use, next_safe_imm_use): Remove.
11354 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11355 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11356 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11357 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11358 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11359 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11360 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11361 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11362 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11363 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11364 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11365 (perfect_nestify): Use new iterator.
11366 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11368 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11369 (next_imm_name): New field in struct immediate_use_iterator_d.
11370 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11371 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11372 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11373 * tree-cfg.c (replace_uses_by): Use new iterator.
11374 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11375 * tree-ssa-operands.c (correct_use_link): Remove.
11376 (finalize_ssa_use_ops): No longer call correct_use_link.
11378 2006-04-27 Stuart Hastings <stuart@apple.com>
11380 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11381 * config/t-darwin (crt3.o): Use it.
11382 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11383 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11384 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11385 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11386 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11389 2006-04-27 Roger Sayle <roger@eyesopen.com>
11391 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11392 size, force the intermediate into a new pseudo rather instead of
11393 performing both a bitwise AND and a bitwise IOR in memory.
11395 2006-04-27 Richard Guenther <rguenther@suse.de>
11397 PR rtl-optimization/26685
11398 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11399 this one "max-flow-memory-locations".
11401 2006-04-27 Richard Guenther <rguenther@suse.de>
11403 PR tree-optimization/25148
11404 * tree-vrp.c (compare_values): Remove code dealing with
11405 comparisons against type min/max value. Honour overflow
11406 and negative constants in code dealing with comparisons
11407 of plus and minus expressions.
11408 (value_inside_range): Use fold_binary with LE_EXPR and
11409 GE_EXPR rather than compare_values.
11411 2006-04-27 Dirk Mueller <dmueller@suse.de>
11413 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11416 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11418 * basic-block.h (safe_insert_insn_on_edge): Removed.
11419 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11421 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11422 Paolo Bonzini <bonzini@gnu.org>
11424 PR middle-end/27282
11425 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11426 (simplify_and_const_int): Same.
11428 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11430 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11432 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11435 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11436 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11437 cgraph_global_info_ready.
11439 PR middle-end/26913
11440 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11443 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11444 either decl or init is error_mark_node.
11446 PR middle-end/25989
11447 * tree-flow.h (struct omp_region): Add sched_kind.
11448 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11449 instead of extracting omp for data.
11450 (expand_omp_for): Save extracted sched_kind.
11452 2006-04-25 Roger Sayle <roger@eyesopen.com>
11454 * expmed.c (store_bit_field): Also check whether the bitsize is
11455 valid for the machine's "insv" instruction before moving the
11456 target into a pseudo for use with the insv.
11457 * config/i386/predicates.md (const8_operand): New predicate.
11458 * config/i386/i386.md (extv, extzv, insv): Use the new
11459 const8_operand predicate where appropriate.
11461 2006-04-25 DJ Delorie <dj@redhat.com>
11463 * doc/install.texi (Specific): Clarify that this is not a list of
11464 supported hosts or targets.
11466 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11468 PR rtl-optimization/26725
11469 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11470 block's BB_DIRTY flag.
11472 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11474 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11477 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11478 to print an integer.
11480 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11482 * varasm.c (align_variable): New function.
11483 (get_block_for_decl): Apply align_variable to DECL before
11484 calculating section information.
11485 (assemble_variable): Split out alignment computation.
11487 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11489 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11492 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11494 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11495 MODE_PARTIAL_INT mode.
11496 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11497 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11499 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11500 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11502 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11504 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11506 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11507 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11508 MACFLAG_IH): Likewise.
11509 (movstricthi_1): Renamed from "*movstricthi".
11510 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11511 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11512 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11513 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11514 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11515 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11516 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11517 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11518 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11519 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11520 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11521 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11522 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11523 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11524 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11526 * doc/rtl.texi (ss_ashift): Improve wording.
11528 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11530 * dwarf2out.c (verify_marks_clear): New.
11531 (prune_unused_types): Call verify_marks_clear initially, not
11534 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11536 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11537 * doc/rtl.texi: Document them.
11538 * simplify-rtx.c (simplify_unary_operation,
11539 simplify_binary_operation_1): Don't abort when we see them.
11541 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11544 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11545 * configure.ac: Completely disregard languages that are not
11547 * configure: Regenerated.
11549 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11550 Richard Guenther <rguenther@suse.de>
11552 PR tree-optimization/27236
11553 * tree-inline.c (copy_body_r): Make sure to copy
11554 TREE_THIS_VOLATILE flag.
11556 2006-04-24 Richard Guenther <rguenther@suse.de>
11558 PR middle-end/26869
11559 * tree-complex.c (update_parameter_components): Don't handle
11560 unused parameters which have no default def.
11562 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11563 Richard Guenther <rguenther@suse.de>
11565 PR tree-optimization/27218
11566 * tree-inline.c (expand_call_inline): Strip useless type
11567 conversions for the return slot address.
11569 2006-04-24 Richard Guenther <rguenther@suse.de>
11571 * cfgloop.h (struct loops): Remove unused field array. Reorder
11573 (LOOP_PREFETCH): Remove.
11575 2006-04-24 Richard Guenther <rguenther@suse.de>
11577 PR tree-optimization/22525
11578 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11579 variable, adjust types of generated expressions.
11581 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
11583 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
11584 (tree-vect-patterns.o): Likewise.
11585 (jump.o): Likewise.
11586 (cselib.o): Likewise.
11587 (loop-doloop.o): Likewise.
11588 (regclass.o): Likewise.
11589 (reload1.o): Likewise.
11590 (explow.o): Replace target.h with $(TARGET_H).
11591 (ipa-prop.o): Likewise.
11592 (ipa-cp.o): Likewise.
11593 (ipa-inline.o): Likewise.
11594 (reorg.o): Likewise.
11595 (reg-stack.o): Likewise.
11597 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11599 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
11601 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11603 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
11605 * configure.ac: Completely disregard languages that are not
11607 * configure: Regenerated.
11610 * c-common.h (c_build_bitfield_integer_type): Declare.
11611 * c-decl.c (c_build_bitfield_integer_type): Move to ...
11612 * c-common.c (c_build_bitfield_integer_type): ... here.
11614 2006-04-23 Roger Sayle <roger@eyesopen.com>
11617 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
11618 a SImode SUBREG of a floating point register after no_new_pseudos.
11620 2006-04-23 Roger Sayle <roger@eyesopen.com>
11622 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
11623 identify potentially eliminable registers to additionally catch
11624 VIRTUAL_INCOMING_ARGS_REGNUM.
11625 (addsi3): Update the conditions on when to use addsi_small_int.
11627 2006-04-23 Roger Sayle <roger@eyesopen.com>
11630 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
11631 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
11632 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
11634 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
11636 * fold-const.c (range_predecessor): Use operand_equal_p
11637 as the predicate for equality.
11638 (range_successor): Likewise.
11640 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11643 * config/soft-fp/op-common.h: Fix a typo.
11645 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
11647 PR libmudflap/26864
11648 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
11649 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
11651 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
11653 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
11655 * doc/tm.texi: Fix a typo.
11657 2006-04-21 Geoffrey Keating <geoffk@apple.com>
11659 * dwarf2out.c (struct die_struct): Document that die_sib makes
11660 a circular linked list.
11661 (FOR_EACH_CHILD): New.
11662 (reverse_die_lists): Delete.
11663 (reverse_all_dies): Delete.
11664 (add_dwarf_attr): Correct documentation.
11665 (remove_child_with_prev): New.
11666 (remove_child_TAG): Update for change to die_struct, use
11667 remove_child_with_prev.
11668 (add_child_die): Update for change to die_struct.
11669 (splice_child_die): Use remove_child_with_prev and add_child_die.
11670 (print_die): Use FOR_EACH_CHILD.
11671 (die_checksum): Likewise.
11672 (assign_symbol_names): Likewise.
11673 (output_location_lists): Likewise.
11674 (build_abbrev_table): Likewise.
11675 (calc_die_sizes): Likewise.
11676 (mark_dies): Likewise.
11677 (unmark_dies): Likewise.
11678 (unmark_all_dies): Likewise.
11679 (output_die): Likewise.
11680 (prune_unused_types_mark): Likewise.
11681 (prune_unused_types_walk): Likewise.
11682 (same_die_p): Update for change to die_struct.
11683 (break_out_includes): Likewise.
11684 (prune_unused_types_prune): Likewise.
11685 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
11686 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
11687 it's already clear.
11688 (dwarf2out_finish): Don't call reverse_all_dies.
11690 2006-04-21 Eric Christopher <echristo@apple.com>
11692 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
11693 in comments and function names.
11695 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11698 * c-typeck.c (digest_init): Robustify.
11700 * c-typeck.c (pop_init_level): Simplify.
11702 2006-04-21 Steve Ellcey <sje@cup.hp.com>
11704 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
11706 2006-04-21 Paul Brook <paul@codesourcery.com>
11708 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
11709 hardware floating point.
11711 2006-04-21 David Edelsohn <edelsohn@gnu.org>
11713 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
11716 2006-04-21 Nick Clifton <nickc@redhat.com>
11718 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
11721 2006-04-21 Alan Modra <amodra@bigpond.net.au>
11724 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
11725 C++ lang type in traceback table for Objective-C++.
11727 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
11729 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
11731 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
11733 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11736 * tree-mudflap.c (mudflap_finish_file): Skip function when there
11737 were errors. Remove check for erroneous objects.
11739 2006-04-20 Jeff Law <law@redhat.com>
11741 PR tree-optimization/26854
11742 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
11743 checking for zero or one use.
11744 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
11745 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
11746 * tree-ssa-reassoc.c (negate_value): Similarly.
11747 (reassociate_bb): Similarly.
11749 2006-04-20 Jakub Jelinek <jakub@redhat.com>
11751 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
11752 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
11753 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
11755 2006-04-20 Alan Modra <amodra@bigpond.net.au>
11757 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
11758 fp regs if the last fp arg doesn't fit in regs.
11760 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
11763 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
11764 that the last insn has the REG_INC note.
11766 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
11767 Nathan Sidwell <nathan@codesourcery.com>
11770 * stor-layout.c (update_alignment_for_field): Do not align
11772 (place_union_field): Place union field at the start of the union.
11773 (place_field): Move ERROR_MARK check later, and use the current
11774 allocation position to maintain monotonicity.
11776 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
11778 * dominance.c: Include timevar.h.
11779 (calculate_dominance_info): Use TV_DOMINANCE.
11780 * timevar.def (TV_DOMINANCE): New timevar.
11781 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
11783 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11785 PR rtl-optimization/14261
11786 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
11787 move would be an INSV insn.
11788 (noce_process_if_block): Don't optimize if the destination is a
11789 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
11791 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
11793 * config/s390/s390.md: Add comments with the instructions emitted
11794 by an insn pattern if macros are used.
11796 2006-04-19 Alan Modra <amodra@bigpond.net.au>
11798 PR rtl-optimization/26026
11799 * fold-const.c (fold_binary): Optimize div and mod where the divisor
11800 is a known power of two shifted left a variable amount.
11802 2006-04-18 Geoffrey Keating <geoffk@apple.com>
11804 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
11805 to hash table twice when the debug_str section has SECTION_MERGE.
11807 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
11809 * config/soft-fp: New directory. From glibc.
11810 * config/soft-fp/t-softfp: New.
11811 * config/soft-fp/README: New.
11812 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
11813 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
11814 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
11815 (LIBGCC_DEPS): Add $(SFP_MACHINE).
11816 * config.gcc: Use rs6000/t-fprules-fpbit or
11817 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
11819 * config/rs6000/sfp-machine.h: New. Based on glibc.
11820 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
11822 * config/rs6000/t-fprules: Remove fp-bit rules.
11823 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
11824 * config/rs6000/t-linux64: Likewise. Remove duplicates from
11825 LIB2FUNCS_EXTRA. Remove fp-bit rules.
11826 (softfp_wrap_start, softfp_wrap_end): New.
11828 2006-04-18 DJ Delorie <dj@redhat.com>
11830 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
11832 2006-04-18 Devang Patel <dpatel@apple.com>
11834 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
11836 2006-04-18 Nick Clifton <nickc@redhat.com>
11838 * config/sh/t-symbian: Add rule to build sh-c.o
11839 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
11840 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
11841 (sh_symbian_encode_section_info): Likewise.
11843 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
11845 * builtins.c (expand_builtin_strcmp): Cover label definition of
11846 do_libcall with HAVE_cmpstrnsi.
11848 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
11850 * function.c (temp_slots_at_level, max_slot_level): Use VEC
11852 * function.h (temp_slot_p): New.
11853 (function): Change the type of x_used_temp_slots to
11854 VEC(temp_slot_p,gc) *.
11856 2006-04-18 Nick Clifton <nickc@redhat.com>
11858 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
11859 flag_strength_reduce.
11861 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
11863 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11867 Partial revert of revision 112637
11868 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11869 Dale Johannesen <dalej@apple.com>
11872 * regclass.c (struct reg_pref): Update documentation.
11873 (regclass): Set prefclass to NO_REGS if memory is the best option.
11874 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11876 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
11878 PR tree-optimization/26821
11879 * tree-ssa-math-opts.c (get_constant_one): New.
11880 (insert_reciprocals): Use it.
11882 2006-04-17 Geoffrey Keating <geoffk@apple.com>
11884 * dwarf2out.c (free_AT): Delete.
11885 (remove_AT): Update string ref counts.
11886 (remove_child_TAG): Don't call free_die.
11887 (free_die): Delete.
11888 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
11889 or DW_TAG_GNU_EINCL.
11890 (prune_unused_types_walk_attribs): Reset string refcounts.
11891 (prune_unused_types_update_strings): New.
11892 (prune_unused_types_prune): Don't make unnecessary stores. Don't
11893 call free_die. Do call prune_unused_types_update_strings.
11894 (prune_unused_types): Empty debug_str_hash.
11896 2006-04-17 Roger Sayle <roger@eyesopen.com>
11898 * expr.c (expand_assignment): Optimize away no-op moves where the
11899 source and destination are equal and have no side-effects.
11901 2006-04-17 Richard Guenther <rguenther@suse.de>
11904 * reload.c (push_reload): Guard calls to get_secondary_mem
11905 for memory subregs.
11907 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
11909 * alias.c (reg_base_value, old_reg_base_value): Change the
11910 type to VEC(rtx,gc) *.
11911 (REG_BASE_VALUE, find_base_value, record_set,
11912 init_alias_analysis): Use VEC instead of VARRAY.
11914 * alias.c (alias_sets): Change the type to
11915 VEC(alias_set_entry,gc) *.
11916 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
11917 VEC instead of VARRAY.
11918 (last_alias_set): Remove.
11920 * cgraph.h (cgraph_edge_p): New.
11921 Update the prototype of cgraph_function_versioning.
11922 * cgraphunit.c (cgraph_copy_node_for_versioning,
11923 cgraph_function_versioning): Use VEC instead of VARRAY.
11924 * ipa-cp.c (ipcp_insert_stage): Likewise.
11926 2006-04-16 Roger Sayle <roger@eyesopen.com>
11929 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
11930 "A op B" or "A op C", we may need to convert A to the type of B and C.
11932 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
11934 * target.h (struct gcc_target): Add mode_rep_extended.
11935 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11936 (init_num_sign_bit_copies_in_rep): Initialize it using
11938 (truncate_to_mode): Use it.
11939 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
11940 * targhooks.h (default_mode_rep_extended): Declare it.
11941 * targhooks.c (default_mode_rep_extended): Define it.
11942 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
11943 default_mode_rep_extended.
11944 (TARGET_INITIALIZER): Include it.
11945 * doc/tm.texi (Misc): Document it.
11946 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
11947 (mips_truncated_to_mode): New function.
11949 2006-04-16 Roger Sayle <roger@eyesopen.com>
11951 PR middle-end/25474
11952 * expr.c (compress_float_constant): Copy the narrow constant into
11953 a new pseudo before extending it to its final width.
11955 2006-04-16 Roger Sayle <roger@eyesopen.com>
11956 Andrew Pinski <pinskia@gcc.gnu.org>
11957 Dale Johannesen <dalej@apple.com>
11960 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
11961 special case code to implement V8HImode and V16QImode with SSE2.
11963 2006-04-15 Roger Sayle <roger@eyesopen.com>
11965 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
11966 trees are constructed with a suitable tree type.
11968 2006-04-15 Roger Sayle <roger@eyesopen.com>
11970 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11971 (integer_onep): Likewise.
11972 (integer_all_onesp): Likewise.
11973 (integer_pow2p): Likewise.
11974 (integer_nonzerop): Likewise.
11975 (real_zerop): Likewise.
11976 (real_onep): Likewise.
11977 (real_twop): Likewise.
11978 (real_minus_onep): Likewise.
11979 (int_size_in_bytes): Likewise.
11980 (host_integerp): Likewise.
11982 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11984 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11985 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11986 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11988 * tree-ssa-structalias.h (alias_info): Remove num_references.
11990 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11992 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11993 (output_bvb patterns): Likewise.
11994 * pa.c (output_bb): Use 'bb' insn for long branch case.
11995 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11996 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11997 1. Correct length operand for alternatives 1 and 2.
11998 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11999 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12001 2006-04-14 Roger Sayle <roger@eyesopen.com>
12003 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12004 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12005 were accidentally reverted by r112959.
12007 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12009 PR middle-end/26823
12010 * except.h (eh_region_outermost): New prototype.
12011 * except.c (eh_region_outermost): New function.
12012 * tree-cfg.c (find_outermost_region_in_block): Use it.
12014 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12016 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12018 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12019 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12020 (init_reload, reload): Use VEC instead of VARRAY.
12021 * reload.h: Update the prototype for
12022 reg_equiv_memory_loc_varray.
12024 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12025 Eric Botcazou <ebotcazou@libertysurf.fr>
12027 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12028 register save area.
12030 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12032 PR middle-end/27134
12033 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12034 to expand fallback builtin function call.
12036 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12038 PR middle-end/27095
12039 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12040 and emit libcall here in case the builtin fails.
12041 (expand_builtin_strcmp): Always emit the libcall here on failure.
12043 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12045 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12046 * flow.c (reg_n_info): Change the type to
12047 VEC(reg_info_p,heap) *.
12048 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12050 * regs.h (reg_info_p): New.
12051 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12052 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12053 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12056 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12058 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12060 * params.h (MAX_SCHED_READY_INSNS): New macro.
12061 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12062 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12063 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12064 the ready list for 1 cycle during the first scheduling pass.
12065 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12067 2006-04-13 Richard Henderson <rth@redhat.com>
12070 * gimple-low.c (lower_omp_directive): Remove dead code.
12071 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12072 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12073 * omp-low.c (struct omp_region): Move to tree-flow.h.
12074 (root_omp_region): Export.
12075 (omp_regions, lookup_omp_region): Remove.
12076 (determine_parallel_type): Update for struct omp_region changes.
12077 (dump_omp_region): Dump regions with block numbers.
12078 (new_omp_region): Take type and block instead of stmt; malloc
12080 (free_omp_region_1, free_omp_regions): New.
12081 (expand_parallel_call): Take entry_stmt as argument; update for
12082 changes to omp_region.
12083 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12084 (remove_exit_barriers): New.
12085 (expand_omp_parallel): Update for struct omp_region changes.
12086 (expand_omp_synch): Likewise.
12087 (expand_omp): Likewise.
12088 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12089 (expand_omp_for_static_chunk): Likewise.
12090 (expand_omp_for): Likewise.
12091 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12092 (expand_omp_sections): Similarly, with GOMP_sections_end.
12093 (expand_omp_single): New.
12094 (build_omp_regions_1): Update for OMP_CONTINUE.
12095 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12096 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12097 OMP_SECTIONS_SECTIONS.
12098 (lower_omp_single_simple): Don't emit barrier here.
12099 (lower_omp_single_copy): Likewise.
12100 (lower_omp_single): Fix bindings, and lower to straightline now.
12101 (lower_omp_master, lower_omp_ordered): Likewise.
12102 (lower_omp_critical): Likewise.
12103 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12104 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12105 omp edges, free it afterward.
12106 (make_omp_sections_edges): Remove.
12107 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12108 (move_stmt_r): Handle OMP_CONTINUE.
12109 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12110 statement pointers to basic blocks. Add type member.
12111 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12112 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12113 * tree-inline.c (estimate_num_insns_1): Likewise.
12114 * tree-pretty-print.c (dump_generic_node): Likewise.
12115 * tree-ssa-operands.c (get_expr_operands): Likewise.
12116 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12117 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12118 (OMP_CONTINUE): New.
12119 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12120 (OMP_SECTIONS_SECTIONS): Remove.
12121 (OMP_SECTION_LAST): New.
12122 (OMP_RETURN_NOWAIT): New.
12124 2006-04-13 Roger Sayle <roger@eyesopen.com>
12126 * fold-const.c (native_encode_vector, native_interpret_real):
12127 Correct obvious mistakes in the previous check-in.
12129 2006-04-13 Roger Sayle <roger@eyesopen.com>
12131 * fold-const.c (native_encode_expr): New function to encode
12132 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12133 or VECTOR_CST into a specified buffer.
12134 (native_encode_int): New function.
12135 (native_encode_real): New function.
12136 (native_encode_complex): New function.
12137 (native_encode_vector): New function.
12138 (native_interpret_expr): Inverse of native_encode_expr to convert
12139 a target representation into an INTEGER_CST, REAL_CST etc...
12140 (native_interpret_int): New function.
12141 (native_interpret_real): New function.
12142 (native_interpret_complex): New function.
12143 (native_interpret_vector): New function.
12144 (fold_view_convert_expr): New function to constant fold/evaluate
12145 a VIEW_CONVERT_EXPR of a suitable constant expression.
12146 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12147 Change call of build1 to fold_build1 when constructing a
12150 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12151 Ulrich Weigand <uweigand@de.ibm.com>
12154 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12157 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12160 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12161 optimize to lo_sum for DFmode if !TARGET_FPRS.
12163 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12165 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12166 delete_alias_info, compute_flow_sensitive_aliasing,
12167 group_aliases): Use VEC instead of VARRAY.
12168 * tree-ssa-structalias.c (update_alias_info): Likewise.
12169 * tree-ssa-structalias.h (alias_info): Change the type of
12170 processed_ptrs to VEC(tree,heap) *.
12172 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12175 * config/sh/lib1funcs.h: New file, broken out of:
12176 * config/sh/lib1funcs.asm.
12177 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12179 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12180 * config/sh/lib1funcs-Os-4-200.asm: New file.
12181 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12182 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12183 (EXTRA_MULTILIB_PARTS): Include it.
12184 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12185 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12186 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12187 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12190 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12192 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12193 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12194 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12196 * tree-ssa-live.h: Include vecprim.h.
12197 (tree_partition_associator_d): Change the type of
12198 first_partition to VEC(int,heap) *.
12199 (tpa_first_partition): Use VEC instead of VARRAY.
12201 * Makefile.in (GTFILES): Move functions.h after tree.h.
12202 * function.c (reset_block_changes, record_block_change,
12203 check_block_change, free_block_changes): Use VEC instead of
12205 * function.h (function): Change the type of
12206 ib_boundaries_block to VEC(tree,gc) *.
12207 * tree-inline.c (copy_cfg_body): Initialize
12208 ib_boundaries_block to NULL instead of (varray_type) 0.
12210 2006-04-12 Roger Sayle <roger@eyesopen.com>
12212 * expr.c (emit_group_store): Correct operand order in call to
12213 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12214 a SUBREG_BYTE of zero.
12216 2006-04-12 Richard Guenther <rguenther@suse.de>
12218 * profile.c (compute_branch_probabilities): Remove code
12219 encapsulated in !ir_type (), which are remanents of the
12220 removed RTL profiling code.
12221 * rtl-profile.c: Remove.
12223 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12225 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12226 magic NULL_RTX comment.
12227 (function_arg): Store entire fp arg to mem if any part should go
12229 (rs6000_arg_partial_bytes): Adjust for above change.
12231 2006-04-11 Roger Sayle <roger@eyesopen.com>
12233 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12234 if it hasn't been initialized by dwarf2out_init.
12236 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12238 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12239 symbolic constants in branch patterns.
12241 2006-04-11 Roger Sayle <roger@eyesopen.com>
12243 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12245 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12247 PR rtl-optimization/27073
12248 * gcse.c (try_replace_reg): Revert last change. Continue to search
12249 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12252 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12254 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12255 aggregate types other than record and union types.
12256 (function_arg): Likewise.
12257 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12259 (function_value): In 64-bit mode, return objects that require it
12262 2006-04-11 Roger Sayle <roger@eyesopen.com>
12264 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12266 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12268 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12270 2006-04-03 Jeff Law <law@redhat.com>
12273 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12274 alias information too.
12276 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12278 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12280 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12283 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12284 (premark_used_types_helper): New.
12285 (premark_used_types): New.
12286 (gen_subprogram_die): Call premark_used_types.
12287 (prune_unused_types_walk): Do not prune perennial dies.
12288 * function.c (used_types_insert): New.
12289 * function.h (struct function): Add used_types_hash field.
12290 (used_types_insert): Add prototype.
12291 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12292 * c-parser.c (c_parser_cast_expression): Save casted types in used
12295 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12298 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12299 rs6000_explicit_options.float_gprs.
12301 2006-04-10 Roger Sayle <roger@eyesopen.com>
12303 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12304 from ix86_expand_vector_init_low_nonzero. Take an additional
12305 one_var argument indicating which element is non-zero. Support
12306 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12307 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12308 with one_var instead of ix86_expand_vector_init_low_nonzero.
12310 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12312 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12313 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12314 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12315 build/genextract.o): Depend on vecprim.h.
12316 * cfglayout.c, df-problems.c, function.c, genextract.c,
12317 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12318 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12322 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12324 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12325 Declare VECs of this type.
12326 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12327 (remove_children): Delete.
12328 (add_dwarf_attr): Use VEC routines.
12329 (add_AT_flag): Update for changes to add_dwarf_attr.
12330 (add_AT_int): Likewise.
12331 (add_AT_unsigned): Likewise.
12332 (add_AT_long_long): Likewise.
12333 (add_AT_vec): Likewise.
12334 (add_AT_string): Likewise.
12335 (add_AT_die_ref): Likewise.
12336 (add_AT_fde_ref): Likewise.
12337 (add_AT_loc): Likewise.
12338 (add_AT_loc_list): Likewise.
12339 (add_AT_addr): Likewise.
12340 (add_AT_lbl_id): Likewise.
12341 (add_AT_lineptr): Likewise.
12342 (add_AT_macptr): Likewise.
12343 (add_AT_offset): Likewise.
12344 (add_AT_range_list): Likewise.
12345 (get_AT): Use VEC_iterate.
12346 (remove_AT): Use VEC_ordered_remove.
12347 (free_die): Fold remove_children into here; have it use VEC_iterate.
12348 (print_die): Use VEC_iterate on attrs.
12349 (reverse_die_lists): Don't reverse attr lists.
12350 (die_checksum): Use VEC_iterate on attrs.
12351 (same_die_p): Likewise.
12352 (output_location_lists): Likewise.
12353 (build_abbrev_table): Likewise.
12354 (size_of_die): Likewise.
12355 (unmark_all_dies): Likewise.
12356 (output_abbrev_section): Likewise.
12357 (output_die): Likewise.
12358 (prune_unused_types_walk_attribs): Likewise.
12360 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12362 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12364 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12367 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12369 2006-04-09 Roger Sayle <roger@eyesopen.com>
12371 * expr.c (store_constructor): Don't bother clearing target if
12372 we're about to assign a vector to it using vec_init_optab.
12374 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12376 * tree-ssa-alias.c (lhs_may_store_to): New function.
12377 (recalculate_used_alone): Handle LHS of calls.
12379 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12383 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12384 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12385 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12386 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12387 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12388 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12389 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12390 stubs. Add ".align 8" directives before all ".dword" directives.
12391 (GTHREAD_USE_WEAK): Revise comment.
12392 (TARGET_ATTRIBUTE_WEAK): Define.
12393 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12394 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12395 * stublib.c: New file.
12400 * pa.md (cbranch patterns): Revise arguments used in calls to
12401 output_cbranch, output_bb and output_bvd. Add long branch length
12403 (fbranch patterns): Handle long branches.
12404 (jump): Revise length check. Revise arguments for output_lbranch call.
12405 Add long branch length attributes.
12406 (decrement_and_branch_until_zero): Add long branch length attributes.
12407 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12408 Likewise. Revise arguments for output_parallel_addb and
12409 output_parallel_movb calls.
12410 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12411 output_parallel_movb and output_parallel_addb): Update prototypes.
12412 * pa.c (output_cbranch): Revise arguments. Correct handling of
12413 nullification in long branches.
12414 (output_lbranch): Add new argument to control extraction of delay
12416 (output_bb): Handle long branches.
12417 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12418 output_parallel_addb): Likewise.
12420 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12422 PR rtl-optimization/27073
12423 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12426 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12428 * tree.h (tree_memory_tag): Add old_used_alone.
12429 (SMT_OLD_USED_ALONE): New macro.
12430 * tree-ssa-alias.c (recalculate_used_alone): Stop
12431 marking things for renaming unnecessarily.
12433 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12435 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12436 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12437 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12438 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12439 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12440 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12441 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12442 spelling convensions.
12443 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12444 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12445 typos. Follow spelling conventions.
12447 2006-04-07 DJ Delorie <dj@redhat.com>
12449 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12450 passed on the stack.
12451 (m32c_init_cumulative_args): When a function returns a structure,
12452 always pass the pointer to that return area on the stack.
12453 (m32c_function_arg_advance): Don't increment the parameter number
12454 if we're processing the returned structure pointer.
12455 (pushm_info): Reverse order of registers.
12457 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12459 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12460 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12461 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12462 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12463 build_int_cst_type.
12464 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12465 chrec_fold_multiply): Same.
12466 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12467 force_expr_to_var_cost): Same.
12468 * tree-mudflap.c (mf_xform_derefs_1): Same.
12469 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12471 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12473 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12474 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12477 2006-04-07 Jan Hubicka <jh@suse.cz>
12479 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12481 2006-04-07 Richard Guenther <rguenther@suse.de>
12483 PR tree-optimization/26135
12484 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12485 loads for store copy-prop.
12486 (copy_prop_visit_stmt): Likewise.
12488 2006-04-05 Robert Millan <robertmh@gnu.org>
12490 * config/i386/linux.h: Add a comment to mark macros that are
12491 being overriden in config/k*bsd-gnu.h.
12492 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12494 * config/knetbsd-gnu.h: Ditto.
12496 2006-04-06 Jan Hubicka <jh@suse.cz>
12500 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12503 2006-04-06 Mike Stump <mrs@apple.com>
12505 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12506 for HAVE_nonlocal_goto to be consistent.
12507 (expand_builtin_nonlocal_goto): Likewise.
12508 (expand_builtin_strcmp): Use #ifdef instead of #if
12509 for HAVE_cmpstrnsi to be consistent.
12511 2006-04-05 DJ Delorie <dj@redhat.com>
12513 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12516 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12518 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12519 got-relative addressing for anything but SImode.
12521 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12522 even if the calling function doesn't modify them.
12524 2006-04-05 Richard Guenther <rguenther@suse.de>
12526 PR tree-optimization/26919
12527 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12528 to cgraph_estimate_size_after_inlining.
12530 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12532 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12534 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12536 PR tree-optimization/26996
12537 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12538 VECTOR_TYPE variables.
12540 2006-04-05 Richard Guenther <rguenther@suse.de>
12542 PR tree-optimization/26763
12543 * fold-const.c (fold_comparison): Move folding of
12544 PTR + CST CMP PTR + CST ...
12545 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12547 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12549 * doc/install.texi (Prerequisites): Refine some wording on
12550 bootstrapping and ksh.
12551 Move the version numbers of DejaGnu here from the testing section
12552 and fix casing of names.
12553 Fix markup and clarify wording for autogen requirements.
12554 Refer to GCJ instead of just java.
12555 Refer to SVN instead of CVS.
12556 Describe diffutils as useful instead of necessary.
12557 (Downloading the source): Refer to SVN instead of CVS.
12558 Adjust a link to our web site accordingly.
12559 (Configuration): Fix casing of Bison.
12560 (Building): Refer to SVN instead of CVS.
12561 Fix a sentence on the use of Bison and remove duplicate (and
12562 incorrect) version number of Bison requirement.
12563 Remove one redundant list of packages needed for building.
12564 (Specific): Avoid reference to CVS.
12566 2006-04-04 Eric Christopher <echristo@apple.com>
12568 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
12569 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
12570 (rs6000_handle_struct_attribute): New.
12571 (rs6000_ms_bitfield_layout_p): Ditto.
12573 2006-04-04 Geoffrey Keating <geoffk@apple.com>
12575 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
12576 NULL for dso parameter to atexit_common.
12578 2006-04-04 Eric Christopher <echristo@apple.com>
12580 * config/i386/i386.c (machopic_output_stub): Output \t
12581 between instructions and operands.
12583 2006-04-04 David Edelsohn <edelsohn@gnu.org>
12585 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
12586 satisfies_constraint_[IL] to explicit tests on value.
12588 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
12590 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12591 set_nb_iterations_in_loop): Use build_int_cst instead of
12592 build_int_cst_type.
12593 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
12594 build_int_cst instead of convert.
12596 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
12598 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
12599 new value 2 for incoming.
12600 * function.c (expand_function_start): Call struct_value_rtx
12601 with incoming as 2.
12602 * config/sparc/sparc.md: Comment updated_return.
12603 * config/sparc/sparc.opt: Add -mstd-struct-return option.
12604 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
12605 struct return if sparc_std_struct_return and incoming is 2.
12606 (print_operand): Do not adjust return if
12607 sparc_std_struct_return.
12609 2006-04-04 Roger Sayle <roger@eyesopen.com>
12611 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
12612 convert in the middle-end.
12613 * expr.c (store_expr, store_constructor, get_inner_reference,
12614 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
12616 * tree.c (build_range_type): Likewise.
12618 2006-04-04 Tom Tromey <tromey@redhat.com>
12620 * doc/install.texi (Prerequisites): Mention jar.
12622 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
12624 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
12627 2006-04-04 Matthias Klose <doko@debian.org>
12629 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
12633 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
12636 2006-04-03 Geoffrey Keating <geoffk@apple.com>
12638 * doc/extend.texi (Function Attributes): Rewrite visibility
12639 attribute documentation.
12640 * doc/invoke.texi (C++ Dialect Options): Rewrite
12641 -fvisibility-inlines-hidden documentation to describe something
12642 entirely different, although in practise compatible.
12643 (Code Gen Options): Warn about system headers in -fvisibility=
12646 * doc/extend.texi (Other Builtins): Document that
12647 __builtin_nan is a compile-time constant only when its argument
12650 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
12652 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
12653 trying to remove TRUNCATE check if all bits outside the new mode
12654 are identical to the sign bit.
12656 2006-04-03 Jeff Law <law@redhat.com>
12658 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
12659 and operand scanning in some common cases.
12661 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12662 Dale Johannesen <dalej@apple.com>
12665 * regclass.c (struct reg_pref): Update documentation.
12666 (regclass): Set prefclass to NO_REGS if memory is the best option.
12667 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12668 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
12669 into account. For non-registers, equate an empty preferred
12670 reload class to a `!' in the constraint; move the if clause to
12671 do so after those that reject the insn.
12672 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
12674 (find_dummy_reload): Likewise.
12675 * doc/tm.texi (Register Classes): Document what it means
12676 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
12677 * config/i386/i386.c (ix86_preferred_reload_class): Force
12678 using SSE registers (and return NO_REGS for floating-point
12679 constants) if math is done with SSE.
12680 (ix86_preferred_output_reload_class): New.
12681 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
12682 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
12683 * config/i386/i386.md: Remove # register preferences.
12685 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12688 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
12689 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
12690 the type of nb_iter.
12691 (instantiate_parameters_1): Convert the operands before calling
12692 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
12693 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
12695 2006-04-02 Roger Sayle <roger@eyesopen.com>
12697 * builtins.c (dummy_object): Use build_int_cst instead of convert.
12698 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
12699 instead of convert.
12700 * dojump.c (do_jump): Likewise.
12701 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
12702 * gimplify.c (gimple_boolify, gimplify_init_constructor,
12703 gimplify_boolean_expr): Likewise.
12704 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
12705 * varasm.c (array_size_for_constructor): Likewise.
12706 * tree-object-size.c (compute_object_offset): Likewise.
12708 2006-04-02 Roger Sayle <roger@eyesopen.com>
12710 PR middle-end/26977
12711 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
12712 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
12714 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12716 PR tree-optimization/26939
12717 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
12719 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12721 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
12722 at_stmt. Convert the type of operands before calling
12723 build_polynomial_chrec.
12724 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
12725 add_to_evolution_1.
12726 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
12727 (instantiate_parameters_1): Convert the type of operands before calling
12728 build_polynomial_chrec.
12729 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
12730 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
12731 reset_evolution_in_loop): Insert asserts to check the types of the
12733 (chrec_type): Moved...
12734 (eq_evolutions_p): Use operand_equal_p.
12735 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
12736 the types of the operands.
12737 (chrec_type): ...here.
12738 * tree-data-ref.c (create_data_ref): Convert the operands before
12739 calling chrec_replace_initial_condition.
12740 (same_access_functions, analyze_subscript_affine_affine,
12741 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
12742 (compute_subscript_distance, analyze_ziv_subscript,
12743 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
12744 analyze_miv_subscript): Convert the operands before calling
12745 chrec_fold_minus or chrec_fold_plus.
12747 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
12749 * tree-data-ref.c (compute_all_dependences): Use a pointer to
12750 the dependence_relations vector.
12751 (compute_data_dependences_for_loop): Adjust call to
12752 compute_all_dependences.
12754 2006-04-01 Roger Sayle <roger@eyesopen.com>
12755 Richard Henderson <rth@redhat.com>
12757 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
12758 gimple_boolify on the condition before calling gimplify_expr.
12760 2006-03-31 Bob Wilson <bob.wilson@acm.org>
12762 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
12763 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
12764 the frame size. Update to use the new macros.
12765 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
12766 * config/xtensa/ieee754-df.S: Likewise.
12768 2006-03-31 Richard Henderson <rth@redhat.com>
12770 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
12771 (make_edges): ... here. Control fallthru creation with a local
12772 variable. Do not play with fake edges.
12773 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
12774 (make_goto_expr_edges): Don't play with fake edges. Make for_call
12777 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
12779 * dwarf2.h (DW64_CIE_ID): Define.
12780 * dwarf2out.c (DWARF_CIE_ID): Define.
12781 (output_call_frame_info): Output 0xffffffff before standard 8-byte
12782 length header. Use DWARF_CIE_ID.
12783 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
12784 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
12786 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
12788 * config/sh/linux-atomic.asm: New file.
12789 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
12791 2006-03-31 DJ Delorie <dj@redhat.com>
12793 * config/m32c/cond.md: Set condition flags properly throughout.
12794 * config/m32c/minmax.md: Likewise.
12795 * config/m32c/prologue.md: Likewise.
12796 * config/m32c/bitops.md: Likewise.
12797 * config/m32c/muldiv.md: Likewise.
12798 * config/m32c/mov.md: Likewise.
12799 * config/m32c/addsub.md: Likewise.
12800 * config/m32c/m32c.md: Likewise.
12801 * config/m32c/jump.md: Likewise.
12802 * config/m32c/shift.md: Likewise.
12804 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
12805 conditionally output the pattern for this.
12806 * config/m32c/m32c.c (flags_needed_for_conditional): New.
12807 (m32c_compare_redundant): New.
12808 (m32c_output_compare): New.
12809 * config/m32c/m32c-protos.h (m32c_output_compare): New.
12811 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
12812 dest, not src. Allow other 4-byte modes.
12814 2006-03-30 Denis Chertykov <denisc@overta.ru>
12816 * doc/md.texi: Refer to avr/constraints.md instead of
12819 2006-03-30 Roger Sayle <roger@eyesopen.com>
12821 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
12822 signed vs. unsigned comparison failures on some hosts.
12824 2006-03-31 Alan Modra <amodra@bigpond.net.au>
12827 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12828 change to FLOAT_REGS.
12830 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
12831 (rs6000_override_options): Use it.
12832 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
12833 only for -mabi=spe/no-spe and -mabi=altivec.
12835 2006-03-30 Geoffrey Keating <geoffk@apple.com>
12837 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
12840 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
12842 * Makefile.in: Rename docdir to gcc_docdir.
12844 2006-03-30 Roger Sayle <roger@eyesopen.com>
12847 * expr.c (emit_group_store): Optimize group stores into a pseudo
12848 register by using a paradoxical subreg to initialize the destination
12849 if the first or last member of the group specifies a "low part".
12851 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12854 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
12855 * target.h (struct gcc_target.speculate_insn): Change type of the
12856 second parameter to 'int'.
12857 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
12858 the second operand of the DEPS_LIST.
12859 (copy_DEPS_LIST_list): Update reference to the second operand of the
12861 * rtl.h (alloc_DEPS_LIST): Update signature.
12862 * sched-int.h (ds_t): Change typedef to 'int'.
12863 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12865 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12867 * haifa-sched.c (try_ready): Change condition to restore
12868 non-speculative pattern of the instruction.
12869 (process_insn_depend_be_in_spec): Code to keep probability of the
12870 speculative dependence non-decreasing.
12872 2006-03-30 Jie Zhang <jie.zhang@analog.com>
12874 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
12875 (single_move_for_movmem): ... this. Also change all uses.
12876 (bfin_expand_strmov): Renamed to...
12877 (bfin_expand_movmem): ... this. Also change all uses.
12878 * config/bfin/bfin.md (movstrsi): Renamed to...
12879 (movstrsi): ...this.
12881 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
12883 PR tree-optimization/26830
12885 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
12886 (copy_prop_visit_stmt): Remove write-only variable ann.
12887 (init_copy_prop): Check variable loop depth here. Do not simulate
12888 memory-tag and virtual operand PHIs except for store copy prop.
12890 2006-03-30 Richard Guenther <rguenther@suse.de>
12892 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
12893 variants with double arguments.
12895 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12897 * genpreds.c (write_tm_constrs_h): Delete variable p.
12898 * genconditions.c (write_header): Add tm-constrs.h to included
12900 * genpeep.c (main): Add toplev.h to included headers.
12901 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
12902 (build/genpeep.o): Add toplev.h dependency.
12903 * config/rs6000/constraints.md: Add "W" constraint.
12905 2006-03-29 Roger Sayle <roger@eyesopen.com>
12907 * stor-layout.c (mode_for_size_tree): Remove restiction on type
12908 sizes by correctly testing whether the size fits a host integer.
12909 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
12910 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
12911 SImode range for the default sizetype and bitsizetype.
12913 2006-03-29 Roger Sayle <roger@eyesopen.com>
12915 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
12916 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
12917 quickly if the argument is already of the correct type.
12918 Call fold_build1 instead of build1. Tidy up blank lines.
12920 2006-03-29 David Edelsohn <edelsohn@gnu.org>
12922 * genemit.c (main): Add tm-constrs.h to included headers.
12923 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
12924 * genpeep.c (main): Add tm-constrs.h to included headers.
12925 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
12926 (write_tm_constrs_h): this and write complete file.
12927 (write_tm_preds_h): Do not emit satisfies_constraint fns.
12928 (write_insn_preds_c): Add tm-constrs.h to included headers.
12929 (gen_constrs): New variable.
12930 (parse_option): Parse "-c".
12931 (main): Invoke write_tm_constrs_h.
12932 * genrecog.c (write_header): Add tm-constrs.h to included headers.
12933 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
12934 (object_out_file): Add tm-constrs.h dependency.
12935 (insn-emit.o): Same.
12936 (insn-output.o): Same.
12937 (insn-peep.o): Same.
12938 (insn-preds.o): Same.
12939 (insn-recog.o): Same.
12940 (tm-constsr.h): New target.
12941 (s-constrs-h): New target.
12943 * config/rs6000/constraints.md: New file.
12944 * config/rs6000/rs6000.c: Include tm-constrs.h.
12945 (num_insn_constant_wide): Convert to satisfies_constraint.
12946 (rs6000_rtx_costs): Convert to satisfies_constraint.
12947 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
12948 (CONST_OK_FOR_LETTER_P): Delete.
12949 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12950 (EXTRA_CONSTRAINT): Delete.
12951 (EXTRA_MEMORY_CONSTRAINT): Delete.
12952 (EXTRA_ADDRESS_CONSTRAINT): Delete.
12953 * config/rs6000/predicates.md: Convert to satisfies_constraint.
12954 * config/rs6000/rs6000.md: Include constraints.md. Convert to
12955 satisfies_constraint.
12957 * config/i386/i386.c: Include tm-constrs.h.
12959 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12961 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
12962 * tree-data-ref.c (find_data_references_in_loop,
12963 compute_data_dependences_for_loop): Use pointers to VEC.
12964 (analyze_all_data_dependences): Adjust calls.
12965 * tree-data-ref.h (find_data_references_in_loop,
12966 compute_data_dependences_for_loop): Adjust declarations.
12967 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12968 compute_data_dependences_for_loop.
12970 2006-03-29 Paul Brook <paul@codesourcery.com>
12972 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12973 (movdf_vfp): Ditto.
12975 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12977 PR tree-optimization/26859
12978 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12980 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12981 for the step after fold_convert.
12983 2006-03-29 Paul Brook <paul@codesourcery.com>
12985 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12986 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12988 2006-03-29 Paul Brook <paul@codesourcery.com>
12990 PR middle-end/23623
12991 * targhooks.c (default_narrow_bitfield): New fuction.
12992 * targhooks.h (default_narrow_bitfield): add prototype.
12993 * target.h (gcc_target): Add narrow_volatile_bitfield.
12994 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12995 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12996 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12997 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12999 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13001 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13003 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13004 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13005 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13006 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13007 (s390_function_arg_float): Allow SDmode and DDmode values to be
13008 passed in floating point registers.
13009 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13010 check with SCALAR_FLOAT_MODE_P.
13011 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13013 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13015 PR tree-optimization/25985
13016 * tree-ssa-loop-niter.c (number_of_iterations_le,
13017 number_of_iterations_ne): Make comments more precise.
13018 (number_of_iterations_cond): Add only_exit argument. Use the
13019 fact that signed variables do not overflow only when only_exit
13021 (loop_only_exit_p): New.
13022 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13023 number_of_iterations_cond.
13025 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13027 PR tree-optimization/26643
13028 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13031 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13033 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13034 (divsi3_i4_int): Likewise.
13036 2006-03-28 Roger Sayle <roger@eyesopen.com>
13038 * expr.c (emit_group_store): Only create a new pseudo reg if the
13039 quantity it needs to hold isn't already a suitable pseudo.
13041 2006-03-28 Jeff Law <law@redhat.com>
13043 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13044 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13046 2006-03-28 Roger Sayle <roger@eyesopen.com>
13048 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13049 the equivalent ~X & Y, and the symmetry related transformations.
13050 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13051 ~X & Y, and symmetry related transforms.
13053 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13055 Revert my 2006-03-27 patches.
13057 2006-03-28 Roger Sayle <roger@eyesopen.com>
13059 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13060 ~(T1)X, when T1 and T2 are integer types of the same precision
13061 and (T2)X isn't an extension.
13063 2006-03-28 Jeff Law <law@redhat.com>
13065 PR tree-optimization/26796
13066 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13067 need EH edge cleanups rather than purging them immediately.
13068 (eliminate_degenerate_phis): Handle queued EH cleanups.
13070 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13072 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13075 2006-03-27 Roger Sayle <roger@eyesopen.com>
13077 PR middle-end/22524
13078 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13079 cast BIT_NOT_EXPR operand to the correct type.
13081 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13083 * tree-loop-linear.c: Don't include varray.h.
13084 (gather_interchange_stats, try_interchange_loops,
13085 linear_transform_loops): Use VEC instead of VARRAY.
13086 * lambda-mat.c: Don't include varray.h.
13087 * tree-chrec.c: Same.
13088 * lambda-trans.c: Same.
13089 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13090 VEC instead of VARRAY.
13091 * tree-vectorizer.h: Idem.
13092 * tree-data-ref.c (dump_data_references,
13093 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13094 initialize_data_dependence_relation, finalize_ddr_dependent,
13095 compute_all_dependences, find_data_references_in_loop,
13096 compute_data_dependences_for_loop, analyze_all_data_dependences,
13097 free_dependence_relation, free_dependence_relations,
13098 free_data_refs): Idem.
13099 * tree-data-ref.h (data_reference_p, subscript_p): New.
13100 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13101 VEC instead of VARRAY.
13102 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13103 (find_data_references_in_loop, compute_data_dependences_for_loop,
13104 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13105 dump_data_dependence_relations, free_dependence_relations,
13106 free_data_refs): Adjust declaration.
13107 (lambda_transform_legal_p): Move declaration here...
13108 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13109 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13110 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13111 vect_analyze_data_refs): Use VEC instead of VARRAY.
13112 * lambda.h (lambda_transform_legal_p): ...from here.
13113 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13114 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13115 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13116 tree-chrec.o): Don't depend on VARRAY_H.
13118 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13120 * rtl.def (Copyright): Update date.
13121 (DEPS_LIST): Change type of the second operand to 'int'.
13122 * target.h (Copyright): Update date.
13123 (struct gcc_target.speculate_insn): Change type of the second parameter
13125 * lists.c (Copyright): Update date.
13126 (alloc_DEPS_LIST): Change signature. Update reference to the second
13127 operand of the DEPS_LIST.
13128 (copy_DEPS_LIST_list): Update reference to the second operand of the
13130 * rtl.h (Copyright): Update date.
13131 (alloc_DEPS_LIST): Update signature.
13132 * sched-int.h (Copyright): Update date.
13133 (ds_t): Change typedef to 'int'.
13134 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13136 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13138 * haifa-sched.c (Copyright): Update date.
13139 (try_ready): Change condition to restore non-speculative pattern
13140 of the instruction.
13141 (process_insn_depend_be_in_spec): Code to keep probability of the
13142 speculative dependence non-decreasing.
13144 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13146 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13147 shut up the compiler.
13149 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13151 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13152 to use lib prefix for target.
13153 ($(T)libic_invalidate_array_4-200.a): Likewise.
13154 ($(T)libic_invalidate_array_4a.a): Likewise.
13156 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13157 J"orn Rennecke <joern.rennecke@st.com>
13159 * superh.opt: New file.
13160 * sh.c (boardtype, osruntime): Remove.
13161 * superh.h (SUBTARGET_OPTIONS): Remove.
13162 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13164 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13165 arguments with ^ and/or [].
13167 * config.gcc (sh-*-*): Add quoting to account for quirk of
13169 Replace == with = in enable_incomplete_targets test.
13171 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13172 with MASK_LITTLE_ENDIAN.
13174 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13175 * config/sh/sh.opt: Added to some comments.
13176 * config/sh/superh.h: Removed some chaff.
13178 * config/sh/sh.opt: Add m4-[1234]00* options.
13179 * config/sh/sh.c (sh_handle_option): Likewise.
13180 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13181 (ic_invalidate_array_4-100.o): New rule.
13182 ($(T)libic_invalidate_array_4-100.a): Likewise.
13183 (ic_invalidate_array_4-200.o): Likewise.
13184 ($(T)libic_invalidate_array_4-200.a): Likewise.
13185 (ic_invalidate_array_4a.o): Likewise.
13186 ($(T)libic_invalidate_array_4a.a): Likewise.
13187 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13188 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13190 * config/sh/crt1.asm: Merged in profiling code.
13191 * config/sh/superh.h (STARTFILE_SPEC): Override.
13192 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13193 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13194 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13196 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13197 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13198 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13200 * sh.opt (mpretend-cmove): New option.
13201 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13202 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13203 (movsicc): Add TARGET_PRETEND_CMOVE code.
13205 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13207 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13208 s390_class_max_nregs): New function prototypes.
13209 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13210 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13211 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13212 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13214 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13216 * dwarf2out.c (add_location_or_const_value_attribute): Call
13217 tree_add_const_value_attribute if nothing else works.
13218 (reference_to_unused): New.
13219 (rtl_for_decl_init): Use reference_to_unused to decide whether
13220 to output an initializer.
13222 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13225 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13226 peephole removing spe frob_di_df_2.
13228 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13230 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13231 (subscript_dependence_tester_1): Declared.
13232 (print_dir_vectors, print_dist_vectors): New.
13233 (debug_data_dependence_relation): New.
13234 (dump_data_dependence_relation): Print more details.
13235 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13236 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13237 (save_dist_v, save_dir_v, add_outer_distances,
13238 build_classic_dist_vector_1): New.
13239 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13240 Don't test for lambda_vector_lexico_pos.
13241 (same_access_functions, add_multivariate_self_dist,
13242 add_other_self_distances, dir_from_dist): New.
13243 (build_classic_dir_vector): Replace implementation almost identical to
13244 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13246 (subscript_dependence_tester_1): New.
13247 (subscript_dependence_tester): Handle the lexicographically negative
13248 distance vectors by recomputing the dependence relation.
13249 (compute_affine_dependence): Remove parameter loop_nest_depth.
13250 (compute_self_dependence): Don't call compute_subscript_distance.
13251 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13252 Add a parameter for the loop_nest.
13253 (find_loop_nest_1, find_loop_nest): New.
13254 (compute_data_dependences_for_loop): Compute the loop nest, and give
13255 up if the nest is not well formed.
13256 * tree-data-ref.h (loop_p): New.
13257 (struct data_dependence_relation): Replace size_vect field with
13258 loop_nest, a vec of loops.
13259 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13260 (DDR_LOOP_NEST): New.
13261 (print_dir_vectors, print_dist_vectors,
13262 debug_data_dependence_relation): Declared.
13263 (index_in_loop_nest): New.
13264 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13265 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13268 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13270 * simplify-rtx.c (simplify_relational_operation): Call
13271 simplify_relational_operation_1 even if mode is VOIDmode.
13273 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13275 PR tree-optimization/26804
13276 * tree.h (DECL_CALL_CLOBBERED): New macro.
13277 (tree_decl_common): Add call_clobbered_flag.
13278 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13279 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13280 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13281 (mark_non_addressable): Ditto.
13282 * tree-ssa.c (verify_call_clobbered): New function.
13283 (verify_alias_info): Use it.
13284 * tree-pass.h (pass_reset_cc_flags): New prototype.
13285 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13286 (reset_cc_flags): New function.
13287 * passes.c (init_optimization_passes): Call reset_cc_flags after
13288 initializing referenced_vars.
13290 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13291 Roger Sayle <roger@eyesopen.com>
13293 PR middle-end/26717
13294 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13295 to 1.0 for non-real operands. Implement A / A optimization for
13298 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13300 * config/i386/i386.c (size_cost): Correct the comment for
13301 cost of storing fp registers.
13302 (i386_cost): Likewise.
13303 (i486_cost): Likewise.
13304 (pentium_cost): Likewise.
13305 (pentiumpro_cost): Likewise.
13306 (k6_cost): Likewise.
13307 (athlon_cost): Likewise.
13308 (k8_cost): Likewise.
13309 (pentium4_cost): Likewise.
13310 (nocona_cost): Likewise.
13311 (generic64_cost): Likewise.
13312 (generic32_cost): Likewise.
13314 2006-03-24 Denis Chertykov <denisc@overta.ru>
13316 * config/avr/avr-protos.h (extra_constraint): Delete.
13317 (extra_constraint_Q): New declaration.
13318 * config/avr/constraints.md: New file.
13319 * config/avr/avr.md: Include it.
13320 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13321 (TMP_REGNO, ZERO_REGNO): Likewise.
13322 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13323 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13324 (extra_constraint): Delete.
13325 (extra_constraint_Q): Test for memory constraint 'Q'.
13326 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13327 (REG_CLASS_FROM_LETTER): Delete.
13328 (CONST_OK_FOR_LETTER_P): Delete.
13329 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13330 (EXTRA_CONSTRAINT): Delete.
13331 (TMP_REGNO): Delete.
13332 (ZERO_REGNO): Delete.
13334 2006-03-24 Jeff Law <law@redhat.com>
13336 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13337 directly. Call mark_new_vars_to_rename slightly earlier.
13339 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13341 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13342 (is_cxx): Likewise.
13343 (gen_compile_unit_die): Use new language types for Objective-C and
13345 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13346 DW_LANG_C_plus_plus.
13349 * config/t-darwin (crt3.o): Work around bug 26840.
13350 * config/darwin-crt3.c: Rewrite.
13351 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13353 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13355 * doc/invoke.texi: Document -femit-class-debug-always
13356 * common.opt: Add -femit-class-debug-always.
13358 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13360 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13361 index and base register.
13362 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13363 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13364 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13365 REGNO_OK_FOR_INDEX_P.
13366 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13368 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13369 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13370 REG_OK_FOR_BASE_P): Definitions removed.
13372 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13374 PR middle-end/26611
13375 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13376 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13377 set yet or weren't marked as local yet.
13379 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13381 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13384 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13386 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13387 (rs6000_legitimate_small_data_p): Delete.
13388 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13389 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13390 and make static. Add forward declaration. Update uses.
13391 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13392 of offsettable_memref_p.
13393 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13394 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13396 2006-03-24 Jeff Law <law@redhat.com>
13398 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13399 around bug in immediate-use iterator.
13401 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13404 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13405 or __LITTLE_ENDIAN__.
13407 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13409 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13410 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13411 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13412 * config/sh/sh.opt (mdiv=): Amend description.
13413 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13414 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13415 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13416 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13417 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13418 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13419 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13420 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13421 TARGET_DIVIDE_CALL_FP.
13423 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13425 * haifa-sched.c (choose_ready): Fix type of the local variable.
13426 Move local variables. Add comment.
13427 (check_reg_live): Change signature. Make callable from debugger.
13428 * sched-int.h (check_reg_live): Update signature.
13429 * sched-ebb.c (check_reg_live): Update parameters.
13430 * sched-rgn.c (check_reg_live): Ditto.
13431 (region_head_or_leaf_p): Check pointer before dereferencing.
13432 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13433 before reload on optimization levels below 1.
13435 2006-03-23 Richard Henderson <rth@redhat.com>
13437 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13441 * config/alpha/predicates.md (local_symbolic_operand): Reject
13444 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13447 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13448 expressions which have overflowed constants.
13450 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13452 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13454 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13456 * cfgloopmanip.c (create_loop_notes): Removed.
13457 * final.c (final_scan_insn): Do not handle loop notes.
13458 * jump.c (squeeze_notes): Ditto.
13459 * cfglayout.c (skip_insns_after_block,
13460 duplicate_insn_chain): Ditto.
13461 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13463 * cfgloop.h (create_loop_notes): Declaration removed.
13465 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13467 * varasm.c (output_constant_pool): Restore fnname and fndecl
13469 (assemble_start_function): Adjust call accordingly.
13470 (assemble_end_function): Likewise.
13472 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13475 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13478 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13480 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13483 * system.h (ICE_EXIT_CODE): New macro.
13484 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13485 (diagnostic_action_after_output): Likewise.
13486 * gcc.c (fatal_ice): New function.
13487 (execute): Use it instead of fatal.
13488 (fancy_abort): Likewise.
13489 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13491 2006-03-22 Jeff Law <law@redhat.com>
13493 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13494 iv_analyze_result returning false.
13496 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13498 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13500 2006-03-22 Richard Henderson <rth@redhat.com>
13502 PR middle-end/26084
13503 * except.c (duplicate_eh_regions_0): New.
13504 (duplicate_eh_region_1): Duplicate the children of the node as
13505 well as the node itself. Link them up properly.
13506 (duplicate_eh_region_2): Merge into ...
13507 (duplicate_eh_regions): ... here. Take copy_region argument, and
13508 copy only a sub-tree if asked. Simplify copying and fixup.
13509 (eh_region_outer_p): New.
13510 * except.h (duplicate_eh_regions): Update decl.
13511 (eh_region_outer_p): Declare.
13512 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13513 (lower_omp_master): Likewise.
13514 (lower_omp_ordered): Likewise.
13515 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13516 (move_stmt_r): Use it to remap labels. Handle recursion vs
13517 remap_decls_p properly.
13518 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13519 (find_outermost_region_in_block): New.
13520 (new_label_mapper): New.
13521 (move_sese_region_to_fn): Copy eh information to the new function
13523 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13525 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13528 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13530 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13531 into shared libraries.
13533 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13535 * doc/md.texi: Refer to i386/constraints.md instead of
13536 i386/predicates.md.
13537 * config/i386/constraints.md: New file, extracted from...
13538 * config/i386/predicates.md: ...here.
13539 * config/i386/i386.md: Include constraints.md.
13541 2006-03-21 Jason Merrill <jason@redhat.com>
13543 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13545 PR middle-end/20297
13546 * expr.c (init_block_move_fn): Force default visibility.
13547 (init_block_clear_fn): Likewise.
13548 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13549 * targhooks.c (default_external_stack_protect_fail): Likewise.
13551 2006-03-21 Richard Sandiford <richard@codesourcery.com>
13553 * config/mips/predicates.md (const_call_insn_operand): Allow direct
13554 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
13555 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
13556 Use TARGET_OLDABI instead of !TARGET_NEWABI.
13557 (loadgp): Use mips_current_loadgp_style.
13558 (loadgp_noshared): New pattern.
13559 (sibcall_internal): Use MIPS_CALL.
13560 (sibcall_value_internal): Likewise.
13561 (sibcall_value_multiple_internal): Likewise.
13562 (call_internal): Likewise.
13563 (call_value_internal): Likewise.
13564 (call_value_multiple_internal): Likewise.
13565 (call_split): Use MIPS_CALL and add an 'S' constraint.
13566 (call_value_split): Likewise.
13567 (call_value_multiple_split): Likewise.
13568 * config/mips/mips.opt (-mabicalls): Tweak docstring.
13569 (-mshared): New option.
13570 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
13571 (mips_current_loadgp_style): Declare.
13572 * config/mips/mips.c (mips_classify_symbol): Avoid using
13573 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
13574 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
13575 TARGET_ABSOLUTE_ABICALLS.
13576 (override_options): Adjust comments. Improve the warning that is
13577 issued when -mabicalls and -G are used together.
13578 (mips_file_start): Remove comment.
13579 (mips_current_loadgp_style): New function.
13580 (mips_gnu_local_gp): New variable.
13581 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
13583 (mips_output_function_prologue): Use mips_current_laodgp_style.
13584 (mips_expand_prologue): Call mips_emit_loadgp before emitting
13585 the cprestore instruction.
13586 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
13587 live for TARGET_ABSOLUTE_ABICALLS.
13588 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
13589 (ASM_SPEC): Pass down -mshared and -mno-shared.
13590 (MIPS_CALL): New macro.
13591 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
13593 * doc/invoke.texi (-mabicalls): Update documentation.
13594 (-mshared): Document.
13596 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13598 * config/ia64/unwind-hpux.c: New file.
13599 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
13601 2006-03-21 Steve Ellcey <sje@cup.hp.com>
13604 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
13606 2006-03-21 Jeff Law <law@redhat.com>
13608 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
13609 type conversions of a VR_VARYING source to a wider type.
13611 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
13613 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
13614 tm_file on Solaris 10 and later.
13615 (sparc64-*-solaris2*): Likewise.
13616 (sparc-*-solaris2*): Likewise.
13617 * config/sol26.h: Rename to config/sol2-6.h.
13618 * config/sol2-10.h: New file.
13620 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
13623 * tree-ssa-pre.c (create_component_ref_by_pieces):
13626 2006-03-21 Jakub Jelinek <jakub@redhat.com>
13629 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
13630 return it immediately.
13632 2006-03-21 Michael Matz <matz@suse.de>
13634 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
13636 (remove_arc, add_arc): Update num_out_arcs member.
13637 (set_out_arc_insns_equiv_num): Returns nothing instead of number
13639 (cache_presence): New function.
13640 (compare_states_for_equiv): New function.
13641 (state_is_differed): Don't take number of outargs, adjust callers.
13642 Use new invariant for speeding up.
13643 (init_equiv_class): Create initial classes based on sorted
13645 (partition_equiv_class): Don't track out_arcs_num.
13646 (evaluate_equiv_classes): Call cache_presence on all states and
13649 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
13651 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
13652 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
13653 (bfin_valid_reg_p): Test for pseudos explicitly and use only
13654 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
13656 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
13657 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
13658 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
13659 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
13660 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
13662 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
13663 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
13664 (REGNO_REG_CLASS): ARGP is in PREGS.
13665 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
13667 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
13668 to deal with those addresses.
13669 * addresses.h: New file.
13670 * caller-save.c: Include "addresses.h".
13671 (init_caller_save): Use new base_reg_class function.
13672 * rtl-factoring.c: Include "addresses.h".
13673 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
13674 * recog.c: Include "addresses.h".
13675 (preprocess_constraints): Use new base_reg_class function.
13676 * regrename.c: Include "addresses.h".
13677 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
13678 functions. Keep track of a new var INDEX_CODE to compute valid
13680 (replace_oldest_value_addr): Likewise.
13681 (replace_oldest_value_mem): Use base_reg_class.
13682 * reload.c: Include "addresses.h".
13683 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
13684 (find_reloads): Use new base_reg_class function.
13685 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
13686 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
13687 all callers and prototype changed.
13688 * reload1.c: Include "addresses.h".
13689 (maybe_fix_stack_asms): Use base_reg_class.
13690 * regclass.c: Include "addresses.h".
13691 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
13692 (init_reg_autoinc): Use new base_reg_class function.
13693 (record_reg_classes): Likewise.
13694 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
13695 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
13696 Use new args to compute necessary class.
13698 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
13699 regrename.o, rtl-factoring.o): Update dependencies.
13700 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
13701 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
13702 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
13703 REG_OK_FOR_INDEX_P): Delete documentation.
13705 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
13707 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
13708 from V7 to V9 for Solaris 7 and above.
13710 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
13712 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
13713 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
13714 argument pointers may not alias any other storage.
13715 * common.opt: Define option -fargument-noalias-anything.
13716 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
13717 alias semantics is specified by flag_argument_noalias > 2.
13719 2006-03-20 Jeff Law <law@redhat.com>
13721 * tree-pass.h (pass_phi_only_copy_prop): Delete.
13722 (pass_phi_only_cprop): Declare.
13723 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
13724 with phi_only_cprop
13725 * tree-ssa-dom.c (degenerate_phi_result): New function.
13726 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
13727 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
13728 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
13729 (eliminate_degenerate_phis): Likewise.
13730 (pass_phi_only_cprop): New pass descriptor.
13731 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
13732 support code. Callers updated.
13733 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
13734 (store_copy_prop): Likewise.
13735 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
13737 2006-03-20 Jason Merrill <jason@redhat.com>
13740 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
13741 (push_visibility, pop_visibility): Likewise.
13742 * c-pragma.h: Declare them.
13744 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
13746 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
13748 * config/sh/sh.c (find_regmode_weight): Change the type of the first
13749 parameter and use get_ebb_head_tail.
13750 (sh_md_init_global): Adjust uses of find_regmode_weight.
13752 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
13754 * function.h (struct function) <x_tail_recursion_reentry>:
13755 Rename to x_stack_check_probe_note.
13756 (tail_recursion_reentry): Rename to stack_check_probe_note.
13757 * function.c: Replace tail_recursion_reentry with
13758 stack_check_probe_note everywhere.
13759 (expand_function_start): Only emit a note for
13760 stack_check_probe_note with -fstack-protect.
13761 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
13763 * emit-rtl.c (remove_unnecessary_notes): Remove.
13764 (pass_remove_unnecessary_notes): Remove.
13765 * rtl.h (remove_unnecessary_notes): Remove prototype.
13766 * final.c (final_start_function): Don't call remove_unnecessary_notes.
13767 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
13768 * passes.c (pass_remove_unnecessary_notes): Don't run it.
13770 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
13773 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
13774 (valid_in_set): Handle ARRAY_REF.
13775 Change "if min_variant or VH" to asserts.
13776 (create_component_ref_by_pieces): Handle ARRAY_REF.
13777 (create_expression_by_pieces): Likewise.
13778 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
13780 2006-03-20 David Edelsohn <edelsohn@gnu.org>
13782 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
13783 is operand of switch, not str[0].
13785 2006-03-20 Alan Modra <amodra@bigpond.net.au>
13787 * config/rs6000/rs6000.c (rs6000_handle_option): Use
13788 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
13790 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13792 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
13793 end of insn_extra_address_constraint declaration.
13795 2006-03-19 David Edelsohn <edelsohn@gnu.org>
13797 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
13798 (no-sum-in-toc): Same.
13799 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
13801 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
13802 NO_FP_IN_TOC for -fPIC instead of mask.
13804 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
13805 (BOOT_LDFLAGS): Delete.
13807 * config/rs6000/t-aix52: Same.
13809 * config/rs6000/rs6000.md (store_multiple_power): Delete.
13810 (stmsi[345678]_power): New.
13812 2006-03-17 Steve Ellcey <sje@cup.hp.com>
13814 * config/ia64/ia64.opt: Add empty line to end of file.
13816 2006-03-17 Richard Guenther <rguenther@suse.de>
13818 PR middle-end/26721
13819 * builtins.c (get_pointer_alignment): For component style references
13820 adjust alignment to the component type alignment. Make sure
13821 to adjust alignment for component access of constants.
13823 2006-03-17 David Edelsohn <edelsohn@gnu.org>
13825 * config/rs6000/rs6000.md (strlensi): Emit barrier after
13826 unconditional jump.
13828 2006-03-17 Paul Brook <paul@codesourcery.com>
13830 * doc/install.texi: Docuemnt --with-mode.
13831 * config.gcc: Add --with-mode for arm*-*-*.
13832 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
13834 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
13836 * sh.c (max_labelno_before_reorg): New variable.
13837 (sh_reorg): Initialize it.
13838 (find_barrier): Check max_labelno_before_reorg before using
13839 label_to_alignment. Take length of explicit alignment insns
13840 into account. When seeing a UNSPECV_CONST_END, return it.
13842 * sh.c (fixup_mova): Set mode of affected label to QImode.
13843 (untangle_mova): New function.
13844 (find_barrier): Use it. Check mode of label before decrementing
13846 (sh_reorg): Likewise.
13847 Set mode of all insns back to VOIDmode.
13849 * sh.c (MOVA_LABELREF): New macro.
13850 (mova_p, fixup_mova, sh_reorg): Use it.
13851 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
13852 ADDR_DIFF_VEC matches mova.
13854 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
13856 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
13857 with ATTRIBUTE_UNUSED.
13859 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
13861 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
13862 pointer, instead of assuming it is possible to derive the
13863 correct args size from a call insn.
13865 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13867 * rtl.h (CONST_INT_P): Define.
13868 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
13869 instead of GET_CODE(x) == CONST_INT.
13870 (vax_rtx_costs): Likewise.
13871 (vax_output_int_move): Likewise.
13872 (vax_output_int_add): Likewise.
13873 (legitimate_constant_address_p): Likewise.
13874 (index_term_p): Likewise.
13875 * config/vax/vax.h (PRINT_OPERAND): Likewise.
13876 * config/vax/vax.md (and<mode>3): Likewise.
13877 (ashrsi3): Likewise.
13879 (movstricthi): Likewise.
13880 (movstrictqi): Likewise.
13881 (rotrsi3): Likewise.
13882 (five unnamed insns): Likewise.
13884 2006-03-16 Geoffrey Keating <geoffk@apple.com>
13886 * doc/tm.texi (SDB and DWARF): Add extra parameter to
13887 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
13888 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
13889 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
13890 Pass to ASM_OUTPUT_DWARF_OFFSET.
13891 * dwarf2out.c (debug_frame_section): New.
13892 (output_call_frame_info): Use debug_frame_section. Pass it to
13893 dw2_asm_output_offset.
13894 (output_die): Pass appropriate section to dw2_asm_output_offset.
13895 (output_compilation_unit_header): Likewise.
13896 (output_pubnames): Likewise.
13897 (output_aranges): Likewise.
13898 (enum dw_val_class): Break dw_val_class_lbl_offset into
13899 dw_val_class_lineptr and dw_val_class_macptr.
13900 (add_AT_lbl_offset): Delete.
13901 (add_AT_lineptr): New.
13902 (add_AT_macptr): New.
13903 (AT_lbl): Expect a lineptr or macptr.
13904 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
13905 (attr_checksum): Likewise.
13906 (same_dw_val_p): Likewise.
13907 (size_of_die): Likewise.
13908 (value_format): Likewise.
13909 (output_die): Likewise.
13910 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
13912 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13913 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
13914 * config/darwin-protos.h (darwin_file_start): New.
13915 (darwin_asm_output_dwarf_offset): New.
13916 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
13917 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
13919 * config/darwin.c (darwin_emit_unwind_label): Don't output label
13920 if not EH section; simplify.
13921 (darwin_file_start): New.
13922 (darwin_asm_output_dwarf_offset): New.
13923 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
13925 (DEBUG_INFO_SECTION): Likewise.
13926 (DEBUG_ABBREV_SECTION): Likewise.
13927 (DEBUG_ARANGES_SECTION): Likewise.
13928 (DEBUG_MACINFO_SECTION): Likewise.
13929 (DEBUG_LINE_SECTION): Likewise.
13930 (DEBUG_LOC_SECTION): Likewise.
13931 (DEBUG_PUBNAMES_SECTION): Likewise.
13932 (DEBUG_STR_SECTION): Likewise.
13933 (DEBUG_RANGES_SECTION): Likewise.
13934 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
13935 (ASM_OUTPUT_DWARF_OFFSET): New.
13937 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
13939 * config.gcc (tm_defines): Always add to previous value rather
13942 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13944 * config/mips/predicates.md (splittable_const_int_operand): New,
13945 split from move_operand.
13946 (splittable_symbolic_operand): New.
13947 (move_operand): Add commentary. Use splittable_const_int_operand.
13948 Inline mips_atomic_symbolic_constant_p.
13949 * config/mips/mips.md: Add combine splitters for handling moves
13950 of splittable_const_int_operands and splittable_symbolic_operands.
13951 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
13952 (mips_split_symbol): Declare.
13953 (mips_move_integer): Declare.
13954 * config/mips/mips.c (mips_split_p): Make global.
13955 (TARGET_MIN_ANCHOR_OFFSET): Override default.
13956 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
13957 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
13958 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
13959 (mips_offset_within_object_p): Handle block symbols.
13960 (mips_atomic_symbolic_constant_p): Delete.
13961 (mips_cannot_force_const_mem): Return false for constants that
13962 mips_legitimize_move can handle.
13963 (mips_use_blocks_for_constant_p): New function.
13964 (mips_split_symbol): Make global.
13965 (mips_move_integer): Likewise. Add a temporary register argument.
13966 (mips_legitimize_const_move): Use splittable_const_int_operand and
13967 splittable_symbolic_operand.
13968 (mips_use_anchors_for_symbol_p): New function.
13969 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13970 (mips_split_p): Declare.
13972 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13974 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13975 (mips*-*-linux*): Likewise.
13977 2006-03-16 Roger Sayle <roger@eyesopen.com>
13978 Daniel Speyer <dspeyer@wam.umd.edu>
13980 PR middle-end/18259
13981 * tree-dump.c (dump_real): New function.
13982 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13983 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13984 (tree-dump.o): Add $(REAL_H) to the dependencies.
13986 2006-03-16 Roger Sayle <roger@eyesopen.com>
13988 PR middle-end/21781
13989 * real.c (real_from_string): If the mantissa is zero, don't bother
13990 parsing the exponent as the result should always be zero.
13992 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13994 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13996 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13998 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13999 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14000 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14001 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14002 ia64_sched_finish_global): New static functions to implement
14003 hooks from gcc_target.sched.
14004 (spec_check_no, max_uid, pending_data_specs): New static variables.
14005 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14006 ia64_spec_check_src_p): New static functions.
14007 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14008 (TARGET_SCHED_ADJUST_COST): Removed.
14009 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14010 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14011 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14012 TARGET_SCHED_GEN_CHECK,
14013 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14014 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14015 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14016 Fixed to handle speculation checks.
14017 (rtx_needs_barrier): Fixed to handle speculative loads and
14019 (ia64_variable_issue): Added code to count speculative loads and their
14021 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14023 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14025 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14027 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14028 (ia64_reorg): Reset stops_p to NULL after it is freed.
14029 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14030 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14031 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14033 (data_speculative, control_speculative, check_load): New attributes.
14034 (mov<mode>_advanced, mov<mode>_speculative,
14035 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14036 zero_extend<mode>di2_speculative,
14037 zero_extend<mode>di2_speculative_advanced): New patterns for
14038 data and control speculative loads.
14039 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14041 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14042 New pattern for data and control speculation checks.
14043 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14044 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14045 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14046 Auxiliary definitions for the patterns.
14047 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14048 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14050 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14052 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14053 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14054 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14055 New resource constraints.
14056 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14058 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14059 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14060 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14061 msched-in-control-spec, msched-ldc, msched-control-ldc,
14062 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14063 msched-prefer-non-control-spec-insns,
14064 msched-count-spec-in-critical-path): New flags to tune speculative
14066 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14067 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14068 msched-in-control-spec, msched-ldc, msched-control-ldc,
14069 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14070 msched-prefer-non-control-spec-insns,
14071 msched-count-spec-in-critical-path): Document new flags.
14073 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14075 * target.h (struct spec_info_def): New opaque declaration.
14076 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14077 speculate_insn, needs_block_p, gen_check,
14078 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14079 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14080 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14081 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14082 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14083 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14085 (TARGET_SCHED): Use new macros.
14086 * rtl.h (copy_DEPS_LIST_list): New prototype.
14087 * sched-int.h (struct sched_info): Change signature of new_ready field,
14088 adjust all initializations. New fields: add_remove_insn,
14089 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14090 region_head_or_leaf_p.
14091 (struct spec_info_def): New structure declaration.
14092 (spec_info_t): New typedef.
14093 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14094 recovery_block, orig_pat.
14095 (glat_start, glat_end): New variables declaraions.
14096 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14098 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14099 DETACH_LIFE_INFO, USE_GLAT.
14100 (enum SPEC_SCHED_FLAGS): New enumeration.
14101 (NOTE_NOTE_BB_P): New macro.
14102 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14103 attach_life_info, debug_spec_status, check_reg_live): New functions.
14104 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14105 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14107 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14108 * ddg.c (get_block_head_tail): Adjust all uses.
14109 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14110 (sms_sched_info): Initialize new fields.
14111 (contributes_to_priority): Removed.
14112 * haifa-sched.c (params.h): New include.
14113 (get_block_head_tail): Adjust all uses.
14114 (ISSUE_POINTS): New macro.
14115 (glat_start, glat_end): New global variables.
14116 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14117 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14118 old_last_basic_block, before_recovery, current_sched_info_var,
14119 rgn_n_insns, luid): New static variables.
14120 (insn_cost1): New function. Move logic from insn_cost to here.
14121 (find_insn_reg_weight1): New function. Move logic from
14122 find_insn_reg_weight to here.
14123 (reemit_notes, move_insn, max_issue): Change signature.
14124 (move_insn1): Removed.
14125 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14126 extend_bb): New static functions to support extension of scheduler's
14128 (generate_recovery_code, process_insn_depend_be_in_spec,
14129 begin_speculative_block, add_to_speculative_block,
14130 init_before_recovery, create_recovery_block, create_check_block_twin,
14131 fix_recovery_deps): New static functions to support
14132 generation of recovery code.
14133 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14134 restore_bb_notes, move_block_after_check, move_succs): New static
14135 functions to support ebb scheduling.
14136 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14137 functions to support handling of register live information.
14138 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14139 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14140 add_jump_dependencies): New static functions.
14141 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14142 consistancy checking.
14143 (debug_spec_status): New function to call from debugger.
14144 (priority): Added code to handle speculation checks.
14145 (rank_for_schedule): Added code to distinguish speculative instructions.
14146 (schedule_insn): Added code to handle speculation checks.
14147 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14148 Fixed to handle ebbs.
14149 (move_insn): Added code to handle ebb scheduling.
14150 (max_issue): Added code to use ISSUE_POINTS of instructions.
14151 (choose_ready): Added code to choose between speculative and
14152 non-speculative instructions.
14153 (schedule_block): Added code to handle ebb scheduling and scheduling of
14154 speculative instructions.
14155 (sched_init): Initialize new variables.
14156 (sched_finish): Free new variables. Print statistics.
14157 (try_ready): Added code to handle speculative instructions.
14158 * lists.c (copy_DEPS_LIST_list): New function.
14159 * sched-deps.c (extend_dependency_caches): New function. Move logic
14160 from create_dependency_caches to here.
14161 (get_dep_weak, ds_merge): Make global.
14162 * genattr.c (main): Code to output prototype for
14163 dfa_clear_single_insn_cache.
14164 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14165 (output_dfa_clean_insn_cache_func): Code to output
14166 dfa_clear_single_insn_cache function.
14167 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14169 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14171 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14172 New static variables.
14173 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14174 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14176 (ebb_sched_info): Initialize new fields.
14177 (get_block_head_tail): Adjust all uses.
14178 (compute_jump_reg_dependencies): Fixed to use glat_start.
14179 (schedule_ebb): Code to remove unreachable last block.
14180 (schedule_ebbs): Added code to update register live information.
14181 * sched-rgn.c (region_sched_info): Initialize new fields.
14182 (get_block_head_tail): Adjust all uses.
14183 (last_was_jump): Removed. Adjust users.
14184 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14185 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14186 Implement new hooks.
14187 (check_dead_notes1): New static function.
14188 (struct region): New fields: dont_calc_deps, has_real_ebb.
14189 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14190 (BB_TO_BLOCK): Fixed to handle EBBs.
14191 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14192 (ebb_head): New static variable.
14193 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14194 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14196 (compute_dom_prob_ps): New assertion.
14197 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14198 global_live_at_start.
14199 (init_ready_list): New assertions.
14200 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14201 (new_ready): Add support for BEGIN_CONTROL speculation.
14202 (schedule_insns): Fixed code that updates register live information
14204 (schedule_region): Fixed to handle EBBs.
14205 (init_regions): Use extend_regions and check_dead_notes1.
14206 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14207 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14208 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14209 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14210 TARGET_SCHED_GEN_CHECK,
14211 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14212 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14213 * doc/invoke.texi (max-sched-insn-conflict-delay,
14214 sched-spec-prob-cutoff): Document.
14216 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14218 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14219 inter_tick, queue_index.
14220 (struct sched_info): Change signature of init_ready_list field.
14221 Adjust all initializations.
14222 (RESOLVED_DEPS): New access macro.
14223 (ready_add): Remove prototype.
14224 (try_ready): Add prototype.
14225 * sched-rgn.c (init_ready_list): Use try_ready.
14226 (schedule_region): Initialize
14227 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14228 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14229 (init_ready_list): Use try_ready.
14230 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14231 * lists.c (remove_list_elem): Remove `static'.
14232 (remove_free_INSN_LIST_elem): New function.
14233 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14234 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14235 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14237 (readyp): New variable.
14238 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14239 change_queue_index, resolve_dep): New static functions.
14240 (try_ready): New function. Adjust callers in sched-rgn.c and
14241 sched-ebb.c to use it instead of ready_add.
14242 (clock_var): Move at the begining of file.
14243 (rank_for_schedule): Fix typo.
14244 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14245 (ready_lastpos): Enforce assertion.
14246 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14247 update all callers.
14248 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14249 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14250 (queue_to_ready): Use free_INSN_LIST_list.
14251 (early_queue_to_ready): Fix typo.
14252 (schedule_block): Init readyp. Move init_ready_list call after the
14253 initialization of clock_var. Fix error in rejecting insn by
14254 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14255 that previously corrected INSN_TICKs. Add code for handling
14257 (set_priorities): Fix typo.
14258 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14259 Clarify comment and code that keeps current_sched_info->next_tail
14262 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14264 * sched-rgn.c (extend_rgns): New static function.
14265 (find_rgns): Use it.
14266 (gather_region_statistics, print_region_statistics): New static
14268 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14269 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14271 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14272 Andrey Belevantsev <abel@ispras.ru>
14274 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14275 * lists.c (unused_deps_list): New variable.
14276 (free_list): Add assertions to verify the proper distinguishing
14277 between INSN_LISTs and DEPS_LISTs.
14278 (find_list_elem, remove_list_elem, remove_list_node): New static
14280 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14281 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14282 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14283 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14285 (free_INSN_LIST_node): Likewise.
14286 * modulo-sched.c (current_sched_info): Initialize flags field.
14287 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14288 * rtl.def (DEPS_LIST): Define.
14289 * rtl.h: Declare new functions from lists.c.
14290 * sched-deps.c (spec_dependency_cache): New static variable.
14291 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14292 (add_dependence): Change return type to void. Move the logic to ...
14293 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14294 (delete_all_dependences): Add comment about forward_dependency_cache.
14295 Handle spec_dependency_cache. Handle DEPS_LISTs.
14296 (fixup_sched_groups): Clarify the change of priority of output
14297 and anti dependencies.
14298 (sched_analyze_2): Adjust add_dependence calls to create data
14299 speculative dependence.
14300 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14301 Adjust all callers. Handle DEPS_LISTS.
14302 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14303 presence of speculation.
14304 (init_dependency_caches, free_dependency_caches):
14305 Handle spec_dependency_cache.
14306 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14307 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14308 New static functions.
14309 (add_or_update_back_dep, add_or_update_back_forw_dep,
14310 add_back_forw_dep, delete_back_forw_dep): New functions.
14311 * sched-int.h (ds_t, dw_t): New typedefs.
14312 (struct sched_info): Add new field flags.
14313 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14314 Prototype new sched-deps.c functions.
14315 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14316 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14317 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14318 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14319 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14320 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14322 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14324 * sched-rgn.c (current_sched_info): Initialize flags field.
14325 (schedule_insns): Initialize current_sched_info before the sched_init
14327 * sched-ebb.c (current_sched_info): Initialize flags field.
14328 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14329 Call add_or_update_back_dep instead of add_dependence.
14330 Create control speculative dependencies.
14331 (schedule_insns): Initialize current_sched_info before the sched_init
14334 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14336 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14338 (sh_fallback_frame_state): Likewise.
14340 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14342 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14343 Do switch on default_use_cxa_atexit.
14344 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14345 * config/darwin-crt3.o: New.
14346 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14347 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14348 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14350 * config/rs6000/t-darwin: Move crt2.o building to here.
14351 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14352 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14355 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14357 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14358 from '! xxx' to '!xxx' for coding-style conformance.
14359 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14360 (EXTRA_CONSTRAINT): Likewise.
14361 * config/vax/vax.md (four unnamed insns): Likewise.
14363 2006-03-15 Paul Brook <paul@codesourcery.com>
14365 * config/arm/arm.c (minipool_pad): New.
14366 (add_minipool_forward_ref): Include pool alignment padding in address
14368 (push_minipool_fix): Set minipool_pad.
14369 (minipool_pad): Ditto.
14371 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14373 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14374 instead of GET_CODE() == MEM and REG_P() instead of
14376 (print_operand_address): Likewise.
14377 (vax_address_cost): Likewise.
14378 (vax_rtx_costs): Likewise.
14379 (vax_notice_update_cc): Likewise.
14380 (vax_output_int_add): Likewise.
14381 (INDEX_REGISTER_P): Likewise.
14382 (BASE_REGISTER_P): Likewise.
14383 (nonindexed_address_p): Likewise.
14384 (vax_mode_dependent_address_p): Likewise.
14385 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14386 (PRINT_OPERAND): Likewise.
14387 * config/vax/vax.md (ashlsi3): Likewise.
14388 (ashlsi3): Likewise.
14389 (some more unnamed insns): Likewise.
14391 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14393 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14394 iterator-style macro.
14395 (mark_control_dependent_edges_necessary): Update the use of
14396 EXECUTE_IF_CONTROL_DEPENDENT.
14398 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14400 * config/sh/predicates.md (cache_address_operand): Special.
14401 (ua_address_operand): Likewise.
14403 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14405 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14407 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14409 2006-03-15 Andreas Schwab <schwab@suse.de>
14411 * gensupport.c (identify_predicable_attribute): Don't free p_false
14412 when it is still in use.
14414 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14416 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14417 the default setting here.
14419 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14421 * tree-pass.h (pass_cfg): Remove.
14422 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14423 * passes.c (pass_cfg): Don't run it.
14425 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14427 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14428 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14430 (stack_regs_mentioned): Update the uses of
14431 stack_regs_mentioned_data. Don't access the array beyond its
14433 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14434 Don't include gt-reg-stack.h.
14436 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14437 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14439 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14441 PR middle-end/26684
14442 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14445 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14447 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14449 2006-03-14 Richard Guenther <rguenther@suse.de>
14451 PR tree-optimization/26672
14452 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14455 2006-03-14 Richard Guenther <rguenther@suse.de>
14457 PR tree-optimization/26667
14458 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14459 node for the callees. Always allow inlining if it will shrink
14462 2006-03-14 Richard Guenther <rguenther@suse.de>
14464 PR middle-end/26659
14465 * builtins.c (get_pointer_alignment): Prefer alignment
14466 information from decls over that from types.
14468 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14471 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14473 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14475 * config/rs6000/rs6000.opt (mdlmzb): New option.
14476 (msched-prolog, msched-epilog): Use Var not Mask.
14477 * doc/invoke.texi (-mdlmzb): Document.
14478 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14480 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14481 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14483 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14485 PR rtl-optimization/25739
14486 * bt-load.c (augment_live_range): Free tos pointer.
14488 * gensupport.c (identify_predicable_attribute): Free
14490 * gcov.c (create_file_names): Free name pointer.
14492 2006-03-13 Roger Sayle <roger@eyesopen.com>
14494 PR middle-end/26557
14495 * stmt.c (emit_case_nodes): Handle the case where the index is a
14496 CONST_INT, where the comparison mode is specified by the index type.
14498 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14500 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14503 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14505 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14506 (*branch_fp_inverted): Likewise.
14508 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14510 PR middle-end/25989
14511 * omp-low.c (expand_omp_for_generic): Mark istart0
14512 and iend0 as addressable.
14514 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14516 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14518 2006-03-13 Jeff Law <law@redhat.com>
14520 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14521 virtual operands are interesting.
14522 (vrp_visit_stmt): Corresponding changes.
14524 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14526 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14528 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14529 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14530 * config/bfin/crti.S: Use it instead of __PIC__.
14531 * config/bfin/crtn.S: Likewise.
14533 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14534 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14536 Lose 'G' modifier for call operand.
14537 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14538 recognize 'G' modifier.
14540 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14542 PR middle-end/18859
14543 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14544 * stmt.c (expand_case): Likewise.
14546 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14548 PR rtl-optimization/26254
14549 * loop-invariant.c (seq_insns_valid_p): New function.
14550 (move_invariant_reg): Only emit new code if it is valid.
14552 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14554 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
14556 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
14557 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
14558 (commit_one_edge_insertion): Do not look for loop notes.
14560 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14562 * jump.c (follow_jumps): Do not check for loop notes. Move check for
14563 flag_test_coverage out of loop.
14565 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14567 * final.c (shorten_branches): Remove outdated comment, and turn
14568 the if branch that guards it to continue.
14570 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14572 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
14573 * cfgloop.h (struct loop): Remove unused fields.
14575 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
14577 * doc/invoke.texi (-fdump-rtl-loop): Remove.
14578 (-dL, -fdump-rtl-loop2): Update the dump file names
14580 * doc/invoke.texi: Update dump file names.
14582 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
14584 * predict.c (estimate_probability): Remove.
14585 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
14586 * basic-block.h (estimate_probability): Remove prototype.
14587 * passes.c (finish_optimization_passes): Dump branch prediction or
14588 profiling heuristics to the .profile tree dump.
14589 (init_optimization_passes): Unqueue pass_branch_prob.
14591 * doc/invoke.texi (-fdump-rtl-bp): Remove.
14593 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14595 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
14596 * rtl.h (LABEL_NEXTREF): Remove field accessor.
14598 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
14600 * function.h (frame_offset_overflow): Declare.
14601 * function.c (frame_offset_overflow): New function.
14602 (assign_stack_local_1): Call it to detect that the offset overflows.
14603 * cfgexpand.c (alloc_stack_frame_space): Likewise.
14605 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
14607 * config/sh/sh.c: Include alloc-pool.h.
14608 (label_ref_list_pool): New alloc pool.
14609 (label_ref_list_t): New type for lists of labels.
14610 (struct pool_node): Make wend a label_ref_list_t.
14611 (add_constant): Use the new type, eradicate LABEL_NEXTREF
14613 (dump_table): Likewise.
14614 (sh_reorg): Set up the alloc pool before using add_constant and
14615 dump_table, and destroy it when finishing.
14617 2006-03-11 Richard Sandiford <richard@codesourcery.com>
14619 * config/mips/mips.c: Remove redundant comment.
14621 2006-03-10 Jason Merrill <jason@redhat.com>
14624 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
14625 the target was declared 'register'.
14627 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
14629 * genpreds.c (write_insn_constraint_len): Change definition of
14630 insn_constraint_len to return size_t to match the declaration.
14632 2006-03-10 DJ Delorie <dj@redhat.com>
14634 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
14636 (m32c_expand_insv): Fix test for an AND mask.
14638 2006-03-10 Richard Guenther <rguenther@suse.de>
14640 PR middle-end/26565
14641 * builtins.c (get_pointer_alignment): Handle component
14642 references for field alignment.
14644 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14646 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
14647 when building with libgloss.
14648 (sh*elf): Implement --without-fp option.
14649 (sh64-superh-linux*): Don't multilib.
14651 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
14653 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
14655 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
14657 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
14658 Set it when one of the replacement functions returned true.
14659 Return TODO_cleanup_cfg if cfgchanged is true.
14660 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
14662 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
14664 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
14665 instead of gen_lowpart.
14667 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14669 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
14671 (mips_output_order_conditional_branch): Declare.
14672 * config/mips/mips.h (MIPS_BRANCH): New macro.
14673 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
14674 for the comparison. Use gen_condjump.
14675 (mips_output_conditional_branch): Rework interface to take the
14676 asm templates for a direct branch and the inverse of a direct branch.
14677 (mips_output_order_conditional_branch): New function.
14678 (mips_builtin_branch_and_move): New function.
14679 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
14680 branch condition. Use gen_single_cc as the condition for
14681 __builtin_mips_upper_* or __builtin_mips_lower_*.
14682 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
14683 Use VOIDmode for the branch condition.
14684 * config/mips/predicates.md (order_operator): New predicate.
14685 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
14686 (branch_fp): Rename to...
14687 (*branch_fp): ...this. Remove mode from comparison operator.
14688 Use new mips_output_conditional_branch interface.
14689 (branch_fp_inverted): Rename to...
14690 (*branch_fp_inverted): ...this and update as for *branch_fp.
14691 (*branch_zero<mode>): Rename to...
14692 (*branch_order<mode>): ...this. Remove mode from comparison operator.
14693 Use mips_output_order_conditional_branch. Only accept ordered
14695 (*branch_zero<mode>_inverted): Rename to...
14696 (*branch_order<mode>_inverted): ...this and update as for
14697 *branch_order<mode>.
14698 (*branch_equality<mode>): Accept zero as the second operand to
14699 the equality operator. Use the new mips_output_conditional_branch
14701 (*branch_equality<mode>_inverted): Likewise.
14702 (condjump): New expander.
14703 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
14705 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
14706 (bc1any2t, bc1any2f): Likewise.
14707 (single_cc): New expander.
14708 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
14710 2006-03-09 Richard Sandiford <richard@codesourcery.com>
14712 * doc/md.texi: Update documentation of MIPS constraints.
14713 * config/mips/constraints.md: New file.
14714 * config/mips/mips.md: Include it.
14715 * config/mips/mips.c (mips_char_to_class): Delete.
14716 (override_options): Don't initialize mips_char_to_class.
14717 * config/mips/mips.h (mips_char_to_class): Delete.
14718 (REG_CLASS_FROM_LETTER): Delete.
14719 (CONST_OK_FOR_LETTER_P): Delete.
14720 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14721 (EXTRA_CONSTRAINT_Y): Delete.
14722 (EXTRA_CONSTRAINT_STR): Delete.
14723 (CONSTRAINT_LEN): Delete.
14724 (EXTRA_MEMORY_CONSTRAINT): Delete.
14726 2006-03-09 Diego Novillo <dnovillo@redhat.com>
14728 * tree-cfg.c (move_block_to_fn): Remove the statements from the
14729 original fn's eh regions.
14731 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
14733 * fold-const.c (build_range_check): Make sure to use a valid type to
14734 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
14737 (range_predecessor): New static function.
14738 (range_successor): Likewise.
14739 (merge_ranges): Use them to compute predecessors and successors of
14742 2006-03-09 Roger Sayle <roger@eyesopen.com>
14744 PR middle-end/26561
14745 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
14746 X op C3, consider whether C3 overflows towards +Inf or -Inf.
14748 2006-03-08 DJ Delorie <dj@redhat.com>
14750 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
14751 (addpsi3): Expand to include memory operands. Remove
14752 reload-specific splits.
14753 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
14754 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
14755 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
14756 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
14757 (shift1_qi, shift1_hi, insv): New.
14758 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
14759 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
14760 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
14762 * config/m32c/m32c-protos.h: Update as needed.
14763 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
14764 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
14765 Fail for unrecognized R* constraints.
14766 (m32c_cannot_change_mode_class): Be more picky about pseudos.
14767 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
14768 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
14770 (m32c_init_libfuncs): New.
14771 (m32c_legitimate_address_p): Add debug wrapper.
14772 (m32c_rtx_costs): New.
14773 (m32c_address_cost): New.
14774 (conversions): Add 'B' prefix.
14775 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
14776 operands, or word regnames for QI operands. 'B' prints bit
14778 (m32c_expand_setmemhi): New.
14779 (m32c_expand_movmemhi): New.
14780 (m32c_expand_movstr): New.
14781 (m32c_expand_cmpstr): New.
14782 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
14783 (m32c_expand_neg_mulpsi3): Handle non-ints.
14784 (m32c_cmp_flg_0): New.
14785 (m32c_expand_movcc): New.
14786 (m32c_expand_insv): New.
14787 (m32c_scc_pattern): New.
14788 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
14789 a0/a1 out of SIregs.
14790 (STORE_FLAG_VALUE): New.
14791 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
14794 * config/m32c/mov.md: Make constraints more liberal.
14795 (zero_extendqihi2): Optimize r0/r1 case.
14796 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
14797 * config/m32c/predicates.md (m32c_any_operand): New.
14798 (m32c_nonimmediate_operand): New.
14799 (m32c_hl_operand): New.
14800 (m32c_r3_operand): New.
14803 (memsym_operand): New.
14804 (memimmed_operand): New.
14805 (a_qi_operand): New.
14806 (m32c_eqne_operator): New.
14807 (m32c_1bit8_operand): New.
14808 (m32c_1bit16_operand): New.
14809 (m32c_1mask8_operand): New.
14810 (m32c_1mask16_operand): New.
14811 * config/m32c/blkmov.md: New file.
14812 * config/m32c/t-m32c (MD_FILES): Add blkmov.
14814 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
14816 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
14817 unsigned to fix signed/unsigned comparison issue in
14818 DWARF2_FRAME_REG_OUT.
14819 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
14820 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
14822 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
14823 of ptr into the ENABLE_CHECKING section.
14825 2006-03-08 Jeff Law <law@redhat.com>
14827 * tree-vrp.c (infer_value_range): Only count pointer uses
14828 and dereferences if -fdelete-null-pointer-checks is enabled.
14830 * tree-vrp.c (find_assert_locations): Infer value ranges for
14831 single use pointers, but do not create ASSERT_EXPRs for them.
14832 When a non-null range is inferred for a pointer, backwards
14833 propagate that range to other equivalent pointers through the
14836 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
14839 * Makefile.in (dvi, html, install-info): Invoke the corresponding
14840 language hook targets.
14841 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
14842 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
14843 if language hook targets were missing.
14845 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
14847 * tree-ssa-opfinalize.h: Removed.
14848 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
14850 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
14851 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
14852 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
14853 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
14854 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
14855 finalize_ssa_v_must_def_ops): New.
14857 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
14859 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
14860 block as parameter.
14862 2006-03-07 Geoffrey Keating <geoffk@apple.com>
14864 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
14866 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
14867 addresses with offsets; reorganize.
14869 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
14870 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
14871 (expand_builtin_init_dwarf_reg_sizes): Likewise.
14873 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
14876 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
14878 2006-03-08 Ben Elliston <bje@au.ibm.com>
14880 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
14882 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
14885 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
14888 2006-03-07 Richard Guenther <rguenther@suse.de>
14890 PR tree-optimization/26587
14891 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
14893 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14895 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
14897 2006-03-07 Richard Sandiford <richard@codesourcery.com>
14899 * hooks.c (hook_bool_mode_rtx_true): New function.
14900 * hooks.h (hook_bool_mode_rtx_true): Declare.
14901 * toplev.c (compile_file): Call output_shared_constant_pool.
14902 * varasm.c (shared_constant_pool): New variable.
14903 (assemble_start_function, assemble_end_function): Remove arguments
14904 from call to output_constant_pool.
14905 (create_constant_pool): New function, split out from...
14906 (init_varasm_status): ...here.
14907 (force_const_mem): Choose between the shared and per-function constant
14908 pools. Set current_function_uses_const_pool when reusing old entries
14909 as well as when creating new ones.
14910 (mark_constant): Ignore data argument.
14911 (mark_constants): Remove pool argument.
14912 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
14913 to decide whether the function uses a constant pool.
14914 (output_constant_pool_contents): New function, split out from...
14915 (output_constant_pool): ...here.
14916 (output_shared_constant_pool): New function.
14917 (init_varasm_once): Initialize shared_constant_pool.
14918 * output.h (output_constant_pool): Delete.
14919 (output_shared_constant_pool): Declare.
14920 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
14921 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
14923 2006-03-06 Nick Clifton <nickc@redhat.com>
14925 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
14926 flag_strength_reduce.
14928 2006-03-06 Ben Elliston <bje@au.ibm.com>
14930 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
14931 x86_64-*-linux* configurations.
14933 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
14934 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
14936 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14938 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
14940 * basic-block.h: Remove the extern for
14941 rediscover_loops_after_threading.
14943 * cfgloop.c (cancel_loop): Make it static.
14944 * cfgloop.h: Remove the prototype for cancel_loop.
14946 * flow.c (recompute_reg_usage): Make it static.
14947 * rtl.h: Remove the prototype for recompute_reg_usage.
14949 * function.c (use_return_register): Make it static.
14950 * function.h: Remove the prototype.
14952 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14954 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
14956 * recog.h: Remove the prototype for
14957 validate_change_maybe_volatile.
14959 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14961 * rtlanal.c (replace_reg): Remove.
14962 * rtl.h: Remove the prototype for replace_reg.
14964 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
14966 * regclass.c (reg_scan_update): Remove.
14967 (reg_scan_mark_refs): Remove the last argument.
14968 * rtl.h: Remove the prototype for reg_scan_update.
14970 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14972 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14973 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14974 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14975 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14976 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14977 loop-invariant.c, omp-low.c, opts.c, passes.c,
14978 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14979 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14980 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14981 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14982 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14983 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14985 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14987 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14988 * dwarf2out.h: Remove the prototype for
14989 dwarf2out_add_library_unit_info.
14991 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14993 * tree.c (add_var_to_bind_expr): Remove.
14994 * tree.h: Remove the prototype for add_var_to_bind_expr.
14996 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14998 * regclass.c (n_non_fixed_regs): Remove.
14999 (init_reg_sets_1, globalize_reg): Remove all uses of
15001 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15003 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15005 * rtlanal.c (insns_safe_to_move_p): Remove.
15006 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15008 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15010 * expmed.c (expand_mult_add): Remove.
15011 * expr.h: Remove the prototype for expand_mult_add.
15013 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15015 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15016 and REG_SAVED_VAL_EXP constants.
15017 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15018 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15019 Handle regs stored by value.
15020 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15021 (execute_cfa_program): Handle DW_CFA_val_offset,
15022 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15023 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15024 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15025 (uw_install_context_1): Handle target regs stored by value.
15027 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15029 * tree-sra.c (tree_sra): Return todoflags;
15030 (generate_one_element): Set TODO_update_smt_usage if needed.
15031 (pass_sra): Remove TODO_update_smt_usage.
15032 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15034 (tree_ssa_forward_propagate_single_use_vars): Return
15035 TODO_update_smt_usage if we need to update SMT usage.
15036 (pass_forwprop): Remove TODO_update_smt_usage.
15038 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15040 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15041 (correct_use_link): Remove reference to get_stmt_operands.
15042 (update_stmt_operands): Likewise.
15043 (get_modify_expr_operands): New function factored out of
15044 parse_ssa_operands and get_expr_operands.
15045 Try to create V_MUST_DEFs for LHS by default.
15046 (get_expr_operands) <case MODIFY_EXPR>: Call
15047 get_modify_expr_operands.
15048 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15049 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15050 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15051 get_modify_expr_operands.
15053 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15055 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15056 * tree-flow.h: Remove the prototype for
15057 referenced_var_lookup_if_exists.
15059 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15061 PR rtl-optimization/26345
15063 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15065 2006-03-03 Roger Sayle <roger@eyesopen.com>
15067 PR tree-optimization/26524
15068 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15069 fold_convert to create a constant of the appropriate type.
15071 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15073 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15074 SYMBOL_REF_IN_BLOCK_P.
15075 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15076 of SYMBOL_FLAG_IN_BLOCK.
15077 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15078 instead of SYMBOL_REF_IN_BLOCK_P.
15079 * explow.c (use_anchored_address): Likewise.
15080 * rtl.c (rtx_size): Likewise.
15081 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15082 instead of SYMBOL_FLAG_IN_BLOCK.
15083 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15084 SYMBOL_REF_IN_BLOCK_P.
15085 (assemble_variable): Likewise.
15086 (output_constant_def_contents): Likewise.
15087 (output_constant_pool): Likewise.
15088 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15089 instead of SYMBOL_FLAG_IN_BLOCK.
15090 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15091 SYMBOL_REF_IN_BLOCK_P.
15092 (SYMBOL_REF_BLOCK): Likewise.
15093 (SYMBOL_REF_OFFSET): Likewise.
15094 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15095 SYMBOL_REF_IN_BLOCK_P.
15096 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15097 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15098 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15099 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15101 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15103 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15105 2006-03-02 Roger Sayle <roger@eyesopen.com>
15107 * simplify-rtx.c (simplify_unary_operation): When simplifying
15108 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15109 that we perform the right shift in the appropriate mode, and
15110 then extend or truncate the result to requested mode.
15112 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15114 * gengtype.c (main): Handle double_int type.
15115 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15116 * double-int.c: New file.
15117 * double-int.h: New file.
15118 * system.h: Include doubleint.h.
15119 * Makefile.in (SYSTEM_H): Include double-int.h.
15120 (double-int.o): Add.
15122 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15125 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15128 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15130 * tree-vrp.c (remove_range_assertions): Do not update statements
15133 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15135 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15137 * gcse.c (rest_of_handle_gcse): Ditto.
15138 * except.c (gate_handle_eh): Ditto.
15139 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15140 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15142 2006-03-02 Eric Christopher <echristo@apple.com>
15144 * config/i386/i386.c (machopic_output_stub): Add indirection to
15147 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15151 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15153 Sun Niagara specific optimizations.
15154 * config.gcc: Recognize niagara as target.
15155 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15156 (TARGET_CPU_niagara): Define.
15157 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15158 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15159 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15160 (ASM_CPU_SPEC): Likewise.
15161 (PROCESSOR_NIAGARA): New enum entry.
15162 (REGISTER_MOVE_COST): Handle Niagara.
15163 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15164 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15165 (sparc_override_options): Recognize "niagara", set appropriate
15166 default MASK_* values for it, and align functions to 32-bytes
15167 by default just like ULTRASPARC/ULTRASPARC3.
15168 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15169 (sparc64_initialize_trampoline): Likewise.
15170 (sparc_use_sched_lookahead): Use zero for niagara.
15171 (sparc_issue_rate): Use one for niagara.
15172 * config/sparc/niagara.md: New file.
15173 * config/sparc/sparc.md: Include it.
15174 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15175 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15176 when default cpu is niagara.
15177 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15178 (ASM_CPU_SPEC): Likewise.
15179 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15180 when default cpu is niagara.
15181 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15182 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15183 just like v9/ultrasparc/ultrasparc3.
15184 * doc/invoke.texi: Add documentation for "niagara" and improve
15185 existing documentation for ultrasparc variants.
15187 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15189 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15191 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15193 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15194 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15195 and say that only one is needed.
15196 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15197 * target.h (have_switchable_bss_sections): New hook.
15198 * explow.c (use_anchored_address): Check that the symbol is in a block.
15199 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15200 (bss_noswitch_section): New variables.
15201 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15202 (get_noswitch_section): New function.
15203 (get_block_for_section): Allow SECT to be null.
15204 (unlikely_text_section_p): Use SECTION_STYLE.
15205 (bss_initializer_p): New function.
15206 (get_variable_section): Move earlier in file. Take a new argument,
15207 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15208 Return one of the new *_sections in such cases.
15209 (get_block_for_decl): New function, extracting some logic from
15210 use_blocks_for_decl_p.
15211 (change_symbol_section): Remove in favor of...
15212 (change_symbol_block): ...this new function.
15213 (use_blocks_for_decl_p): Remove checks now performed by
15214 get_block_for_decl.
15215 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15216 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15217 (emit_local, emit_bss, emit_common): ...these new functions.
15218 Return true if the alignment was honored.
15219 (emit_tls_common): New function.
15220 (asm_emit_uninitialised): Delete.
15221 (assemble_variable_noswitch): New function, split out from...
15222 (assemble_variable): ...here. Don't make decisions about common
15223 variables here. Globalize all public decls that go into non-common
15224 sections. Check whether SYMBOL_REF_BLOCK is null.
15225 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15226 (output_constant_pool): Likewise.
15227 (init_varasm_once): Initialize the new section variables.
15228 (have_global_bss_p): New function.
15229 (categorize_decl_for_section): Use bss_initializer_p.
15230 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15231 (place_block_symbol): Assert that the symbol must be in a block.
15232 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15233 (TARGET_INITIALIZER): Include it.
15234 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15235 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15236 (SECTION_MACH_DEP): Bump by two.
15237 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15238 (unnamed_section): Mention SECTION_UNNAMED in comment.
15239 (named_section): Likewise SECTION_NAMED.
15240 (noswitch_section_callback): New type.
15241 (noswitch_section): New structure.
15242 (section): Add a noswitch_section alternative.
15243 (SECTION_STYLE): New macro.
15244 (tls_comm_section, comm_section, lcomm_section): Declare.
15245 (bss_noswitch_section, have_global_bss_p): Declare.
15246 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15247 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15249 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15250 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15253 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15255 * tree-vrp.c (execute_vrp): Return value.
15256 * regrename.c (rest_of_handle_regrename): Ditto.
15257 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15258 * tree-complex.c (tree_lower_complex): Ditto.
15259 (tree_lower_complex_O0): Ditto.
15260 * tracer.c (rest_of_handle_tracer): Ditto.
15261 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15262 * postreload.c (rest_of_handle_postreload): Ditto.
15263 * tree-tailcall.c (execute_tail_recursion): Ditto.
15264 (execute_tail_calls): Ditto.
15265 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15266 * tree.h (init_function_for_compilation): Ditto.
15267 * ipa-cp.c (ipcp_driver): Ditto.
15268 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15269 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15270 * final.c (compute_alignments): Ditto.
15271 (rest_of_handle_final): Ditto.
15272 (rest_of_handle_shorten_branches): Ditto.
15273 (rest_of_clean_state): Ditto.
15274 * omp-low.c (execute_expand_omp): Ditto.
15275 (execute_lower_omp): Ditto.
15276 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15277 * ipa-reference.c (static_execute): Ditto.
15278 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15279 * reorg.c (rest_of_handle_delay_slots): Ditto.
15280 (rest_of_handle_machine_reorg): Ditto.
15281 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15282 * flow.c (recompute_reg_usage): Ditto.
15283 (rest_of_handle_remove_death_notes): Ditto.
15284 (rest_of_handle_life): Ditto.
15285 (rest_of_handle_flow2): Ditto.
15286 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15287 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15288 (do_ssa_store_ccp): Ditto.
15289 (execute_fold_all_builtins): Ditto.
15290 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15291 * modulo-sched.c (rest_of_handle_sms): Ditto.
15292 * ipa-pure-const.c (static_execute): Ditto.
15293 * cse.c (rest_of_handle_cse): Ditto.
15294 (rest_of_handle_cse2): Ditto.
15295 * web.c (rest_of_handle_web): Ditto.
15296 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15297 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15298 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15299 * tree-nrv.c (tree_nrv): Ditto.
15300 (execute_return_slot_opt): Ditto.
15301 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15302 (create_structure_vars): Ditto.
15303 * loop-init.c (rtl_loop_init): Ditto.
15304 (rtl_loop_done): Ditto.
15305 (rtl_move_loop_invariants): Ditto.
15306 (rtl_unswitch): Ditto.
15307 (rtl_unroll_and_peel_loops): Ditto.
15308 (rtl_doloop): Ditto.
15309 * gimple-low.c (lower_function_body): Ditto.
15310 (mark_used_blocks): Ditto.
15311 * tree-ssa-sink.c (execute_sink_code): Ditto.
15312 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15313 (cgraph_early_inlining): Ditto.
15314 * global.c (rest_of_handle_global_alloc): Ditto.
15315 * jump.c (cleanup_barriers): Ditto.
15316 (purge_line_number_notes): Ditto.
15317 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15318 (rest_of_handle_if_after_reload): Ditto.
15319 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15320 (tree_ssa_loop_im): Ditto.
15321 (tree_ssa_loop_unswitch): Ditto.
15322 (tree_vectorize): Ditto.
15323 (tree_linear_transform): Ditto.
15324 (tree_ssa_loop_ivcanon): Ditto.
15325 (tree_ssa_empty_loop): Ditto.
15326 (tree_ssa_loop_bounds): Ditto.
15327 (tree_complete_unroll): Ditto.
15328 (tree_ssa_loop_prefetch): Ditto.
15329 (tree_ssa_loop_ivopts): Ditto.
15330 (tree_ssa_loop_done): Ditto.
15331 * predict.c (tree_estimate_probability): Ditto.
15332 * recog.c (split_all_insns_noflow): Ditto.
15333 (rest_of_handle_peephole2): Ditto.
15334 (rest_of_handle_split_all_insns): Ditto.
15335 * tree-eh.c (lower_eh_constructs): Ditto.
15336 * regmove.c (rest_of_handle_regmove): Ditto.
15337 (rest_of_handle_stack_adjustments): Ditto.
15338 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15339 * function.c (instantiate_virtual_regs): Ditto.
15340 (init_function_for_compilation): Ditto.
15341 (rest_of_handle_check_leaf_regs): Ditto.
15342 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15343 (rest_of_handle_gcse): Ditto.
15344 * ipa-type-escape.c (type_escape_execute): Ditto.
15345 * alias.c (rest_of_handle_cfg): Ditto.
15346 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15347 * profile.c (rest_of_handle_branch_prob): Ditto.
15348 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15349 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15350 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15351 * tree-dfa.c (find_referenced_vars): Ditto.
15352 * except.c (set_nothrow_function_flags): Ditto.
15353 (convert_to_eh_region_ranges): Ditto.
15354 (rest_of_handle_eh): Ditto.
15355 * emit-rtl.c (unshare_all_rtl): Ditto.
15356 (remove_unnecessary_notes): Ditto.
15357 * except.h (set_nothrow_function_flags): Ditto.
15358 (convert_to_eh_region_ranges): Ditto.
15359 * cfgexpand.c (tree_expand_cfg): Ditto.
15360 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15361 * tree-ssa-pre.c (do_pre): Ditto.
15362 (execute_fre): Ditto.
15363 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15364 (rest_of_handle_jump2): Ditto.
15365 * tree-sra.c (tree_sra): Ditto.
15366 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15367 (execute_mudflap_function_decls): Ditto.
15368 * tree-ssa-copy.c (do_copy_prop): Ditto.
15369 (do_store_copy_prop): Ditto.
15370 * ipa-prop.h (ipcp_driver): Ditto.
15371 * cfglayout.c (insn_locators_initialize): Ditto.
15372 * tree-ssa-forwprop.c
15373 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15374 * cfglayout.h (insn_locators_initialize): Ditto.
15375 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15376 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15377 (execute_late_warn_uninitialized): Ditto.
15378 * rtl.h (cleanup_barriers): Ditto.
15379 (split_all_insns_noflow): Ditto.
15380 (purge_line_number_notes): Ditto.
15381 (unshare_all_rtl): Ditto.
15382 (remove_unnecessary_notes): Ditto.
15383 (recompute_reg_usage): Ditto.
15384 (variable_tracking_main): Ditto.
15385 * integrate.c (emit_initial_value_sets): Ditto.
15386 * integrate.h (emit_initial_value_sets): Ditto.
15387 * tree-optimize.c (execute_free_datastructures): Ditto
15388 (execute_free_cfg_annotations): Ditto.
15389 (execute_fixup_cfg): Ditto.
15390 (execute_cleanup_cfg_pre_ipa): Ditto.
15391 (execute_cleanup_cfg_post_optimizing): Ditto.
15392 (execute_init_datastructures): Ditto.
15393 * tree-object-size.c (compute_object_sizes): Ditto.
15394 * combine.c (rest_of_handle_combine): Ditto.
15395 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15396 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15397 (rest_of_handle_reorder_blocks): Ditto.
15398 (rest_of_handle_partition_blocks): Ditto.
15399 * var-tracking.c (variable_tracking_main): Ditto.
15400 * tree-profile.c (tree_profiling): Ditto.
15401 * tree-vect-generic.c (expand_vector_operations): Ditto.
15402 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15403 * sched-rgn.c (rest_of_handle_sched): Ditto.
15404 (rest_of_handle_sched2): Ditto.
15405 * basic-block.h (free_bb_insn): Ditto.
15406 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15407 * tree-cfg.c (execute_build_cfg): Ditto.
15408 (remove_useless_stmts): Ditto.
15409 (split_critical_edges): Ditto.
15410 (execute_warn_function_return): Ditto.
15411 (execute_warn_function_noreturn): Ditto.
15412 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15413 * cfgrtl.c (free_bb_for_insn): Ditto.
15414 * passes.c (execute_one_pass): Run additional
15415 todos returned by execute function.
15416 * tree-pass.h (struct tree_opt_pass): Make execute
15419 2006-03-02 Richard Guenther <rguenther@suse.de>
15421 * tree-ssa-alias.c (find_used_portions): Consider taking
15422 the address as making the variable not write-only.
15424 2006-03-02 Nick Clifton <nickc@redhat.com>
15426 * config.gcc (default_use_cxa_atexit): Extend the description of
15427 this configure variable. Set its default value to "yes" for
15428 Linux, NetBSD and ELF targets on the assumption that they will
15429 use C libraries with the __cxa_atexit function.
15431 2006-03-02 Ben Elliston <bje@au.ibm.com>
15433 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15434 parameter as unused to suppress a build warning.
15436 2006-03-02 Ben Elliston <bje@au.ibm.com>
15438 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15441 2006-03-01 Roger Sayle <roger@eyesopen.com>
15444 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15445 declared name, the weak reference name, and the typeof name.
15446 (__gthrw): Avoid expanding the declared name suffix.
15447 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15449 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15451 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15453 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15454 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15455 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15456 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15457 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15458 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15459 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15460 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15461 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15462 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15463 (DW_END_default, DW_END_big, DW_END_little): New.
15464 (DW_END_lo_user, DW_END_hi_user): Define.
15465 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15466 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15467 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15470 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15472 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15474 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15476 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15478 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15480 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15481 to 'symbol_mem_tag'.
15483 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15486 2006-03-01 Roger Sayle <roger@eyesopen.com>
15488 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15490 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15493 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15494 MACHO_DYNAMIC_NO_PIC_P.
15495 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15497 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15500 * config/darwin-protos.h (darwin_asm_output_anchor):
15502 * config/darwin-sections.def (cstring_section):
15503 Add SECTION_MERGE to the flags.
15504 (literal4_section): Likewise.
15505 (literal8_section): Likewise.
15506 (objc_selector_refs_section): Likewise.
15507 (objc_cls_refs_section): Likewise.
15508 * config/darwin.c (darwin_asm_output_anchor): New
15510 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15512 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15514 Fix PR tree-optimization/26443
15515 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15516 to todo and PROP_tmt_usage to properties_destroyed.
15517 * tree-ssa-ccp.c (pass_ccp): Ditto.
15518 (pass_store_ccp): Ditto.
15519 * tree-ssa-dom.c (pass_dominator): Ditto.
15521 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15523 * tree-ssa-operands.c: Cleanup whitespace.
15524 (get_asm_expr_operands): Move before first invocation.
15525 (get_indirect_ref_operands): Likewise.
15526 (get_tmr_operands): Likewise.
15527 (get_call_expr_operands): Likewise.
15528 (append_def): Likewise.
15529 (append_use): Likewise.
15530 (append_v_may_def): Likewise.
15531 (append_v_must_def): Likewise.
15532 (add_call_clobber_ops): Likewise.
15533 (add_call_read_ops): Likewise.
15534 (add_stmt_operand): Likewise.
15535 (add_virtual_operand): Likewise.
15536 (build_ssa_operands): Likewise.
15538 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15540 PR middle-end/26022
15542 PR middle-end/24437
15543 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15544 with a call expr to ...
15545 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15547 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15549 * tree-vrp.c (extract_range_from_assert): Remove special
15550 handling for types with super-types.
15552 2006-03-01 Ben Elliston <bje@au.ibm.com>
15554 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
15555 and powerpc64-*-linux* configurations.
15556 * config/t-dfprules: New file.
15558 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
15559 Compile dfp-bit.c from the source directory using -DWIDTH and
15560 $DFP_CFLAGS to control the compilation of that file, rather than
15561 generating width-specific versions in the build directory.
15562 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
15563 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
15565 2006-02-28 Zack Weinberg <zackw@panix.com>
15567 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
15570 2006-02-28 Eric Christopher <echristo@apple.com>
15572 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
15573 Set up IN_LIBGCC definition of TARGET_64BIT.
15574 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
15576 2006-02-28 Roger Sayle <roger@eyesopen.com>
15578 PR middle-end/14752
15579 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
15580 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
15581 cases via the construction of "expr != 0".
15583 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
15585 * alias.c (alias_invariant, alias_invariant_size): Remove.
15586 (record_base_value): Remove.
15587 (memrefs_conflict_p): Don't look at alias_invariant.
15588 (end_alias_analysis): Don't free it.
15589 * alias.h (record_base_value): Remove prototype.
15591 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
15592 Adam Nemet <anemet@caviumnetworks.com>
15594 * rtl.h (truncated_to_mode): Declare it.
15595 (struct rtl_hooks): Add reg_truncated_to_mode hook.
15596 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
15597 (RTL_HOOKS_INITIALIZER): Include it.
15598 * rtlhooks.c (reg_truncated_to_mode_general): New function.
15599 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
15600 reg_truncated_to_mode.
15601 * rtlanal.c (truncated_to_mode): Define it.
15602 * simplify-rtx.c (simplify_unary_operation_1): Use it.
15604 2006-02-28 Jeff Law <law@redhat.com>
15606 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
15607 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
15608 the range allowed by TYPE_PRECISION.
15610 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
15612 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
15614 PR tree-optimization/26419
15615 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
15618 2006-02-27 Zack Weinberg <zackw@panix.com>
15620 * doc/md.texi: Fix typo in previous change.
15622 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
15626 2006-02-27 Zack Weinberg <zackw@panix.com>
15628 * rtl.def (define_constraint, define_register_constraint)
15629 (define_memory_constraint, define_address_constraint): New MD forms.
15630 * gensupport.c (process_rtx): Put define_constraint etc on the
15632 * genpreds.c (process_define_predicate): Adjust comment. Validate
15633 the name, and call validate_exp to validate the expression.
15634 (mark_mode_tests, write_extract_subexp): Can assume correct input.
15635 (write_predicate_expr): Likewise. NAME argument no longer necessary;
15636 all callers changed.
15637 (validate_exp, needs_variable, struct constraint_data)
15638 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
15639 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
15640 (const_dbl_constraints, constraint_max_namelen)
15641 (have_register_constraints, have_memory_constraints)
15642 (have_address_constraints, have_address_constraints)
15643 (have_extra_constraints, have_const_int_constraints)
15644 (have_const_dbl_constraints, mangle, add_constraint)
15645 (process_define_constraint, process_define_register_constraint)
15646 (write_enum_constraint_num, write_lookup_constraint)
15647 (write_insn_constraint_len, write_regclass_for_constraint)
15648 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
15649 (write_insn_extra_memory_constraint)
15650 (write_insn_extra_address_constraint)
15651 (write_satisfies_constraint_fns): New.
15652 (write_tm_preds_h): If we have new-style constraint definitions,
15653 prototype the functions generated from them, and define the
15654 old constraint interface (still used by generic code) in terms of
15656 (write_insn_preds_c): If we have new-style constraint definitions,
15657 generate all relevant functions from those definitions.
15658 (main): Handle define_constraint etc.
15659 * genoutput.c (struct constraint_data, indep_constraints)
15660 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
15661 (mdep_constraint_len): New data structures and functions, defined
15662 #ifdef USE_MD_CONSTRAINTS.
15663 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
15664 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
15665 use new logic to validate operand constraints against constraint
15667 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
15669 * defaults.h: If none of the old-style constraint macros are
15670 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
15671 old-style macros; and poison REG_CLASS_FROM_LETTER,
15672 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
15674 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
15675 * doc/md.texi: Document new constraint-definition mechanism and the
15676 C interface it provides. Remove references to old mechanism
15677 elsewhere in the document.
15678 (Machine Constraints): Use pathnames relative to gcc directory,
15679 i.e. config/ARCH/FILE. Change i386 section to refer to
15680 config/i386/predicates.md; update that section to match docstrings.
15681 * doc/tm.texi: Move all documentation of the old constraint-
15682 definition macros to their own section, clearly mark as obsolete.
15684 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
15685 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
15687 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
15688 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
15689 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
15690 constraint strings.
15691 (splits and peepholes): Use satisfies_constraint_*.
15692 * config/i386/i386.c (memory_address_length)
15693 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
15695 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15697 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
15698 scalar operation to be put back into the loop.
15700 2006-02-27 Jakub Jelinek <jakub@redhat.com>
15703 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
15704 (extract_cie_info): Handle S flag in augmentation string.
15705 (execute_cfa_program): If context->signal_frame, execute also
15706 fs->pc == context->ra instructions.
15707 (uw_frame_state_for): If context->signal_frame, don't subtract one
15708 from context->ra to find FDE.
15709 (uw_update_context_1): Set context->signal_frame to
15711 (_Unwind_GetIPInfo): New function.
15712 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
15713 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
15715 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
15716 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
15717 * unwind-compat.c (_Unwind_GetIPInfo): New function.
15718 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
15719 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
15720 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
15721 * config/i386/linux-unwind.h (x86_fallback_frame_state,
15722 x86_64_fallback_frame_state): Set fs->signal_frame.
15723 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
15724 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
15725 (frob_update_context): Likewise. Workaround missing S flag in
15726 Linux 2.6.12 - 2.6.16 kernel vDSOs.
15727 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
15728 Remove the psw_addr + 1 hack.
15730 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
15732 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
15733 with aggregates here.
15734 (find_func_aliases): Remove code for &<aggregate> from here.
15736 2006-02-26 Roger Sayle <roger@eyesopen.com>
15738 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
15739 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
15740 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
15741 as (X & C) ne/eq 0.
15743 2006-02-26 Roger Sayle <roger@eyesopen.com>
15745 PR middle-end/19983
15746 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
15748 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
15750 * opts.c (decode_options): Do not handle flag_strength_reduce.
15751 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
15752 and OPT_fstrength_reduce.
15753 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
15754 flag_prefetch_loop_arrays for being nonzero.
15755 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
15757 (fprefetch-loop-arrays-rtl): Removed.
15758 (flag_prefetch_loop_arrays): Do not specify the value.
15760 * doc/passes.texi: Update documentation of loop optimizer
15762 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
15763 -frerun-loop-opt): Remove.
15765 2006-02-26 Richard Guenther <rguenther@suse.de>
15767 PR tree-optimization/26421
15768 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
15769 in function calls that are ADDR_EXPRs as using the whole structure.
15771 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
15773 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
15774 * tree-pass.h (pass_loop_optimize): Remove.
15775 * passes.c (pass_loop_optimize): Never run it.
15776 * toplev.c (backend_init): Don't call init_loop.
15777 * opts.c (flag_loop_optimize_set): Remove.
15778 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
15779 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
15780 the old RTL loop optimizer when profiling enabled.
15781 * predict.c (tree_estimate_probability): Always strip builtin_expect.
15782 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
15783 pre-headers for the sake of the old RTL loop optimizer.
15784 * Makefile.in: Remove all references to loop.o.
15786 * doc/invoke.texi: Remove all references to -floop-optimize
15787 and -frerun-loop-opt.
15789 2006-02-26 Zack Weinberg <zackw@panix.com>
15791 * doc/md.texi (Machine Constraints): Refer to all files with paths
15792 relative to gcc directory (i.e. config/CPU/file). Add missing
15793 @table @code ... @end table to M32C subsection.
15795 2006-02-26 Roger Sayle <roger@eyesopen.com>
15797 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
15799 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
15801 2006-02-26 Roger Sayle <roger@eyesopen.com>
15802 James A. Morrison <phython@gcc.gnu.org>
15804 PR middle-end/21137
15805 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
15806 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
15807 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
15808 signedness of the shift operation.
15810 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
15812 PR tree-optimization/26359
15813 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
15815 2006-02-25 Roger Sayle <roger@eyesopen.com>
15817 * simplify-rtx.c (simplify_relational_operation_1): Simplify
15818 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
15819 as X == 0, and some symmetry related transformations.
15820 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
15822 2006-02-25 Roger Sayle <roger@eyesopen.com>
15824 PR middle-end/23673
15825 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
15826 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
15827 symmetry related transformations. Fold (X^C1) == C2 as
15830 2006-02-25 Juergen Weigert <jw@suse.de>
15831 Richard Guenther <rguenther@suse.de>
15833 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
15835 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
15837 * combine.c (gen_lowpart_or_truncate): Call
15838 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
15840 2006-02-24 Diego Novillo <dnovillo@redhat.com>
15842 * doc/invoke.texi: Move -fopenmp description to "Options for
15844 Remove reference to -lgomp.
15846 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15848 * doc/install.texi: Require GNU tar version 1.14.
15850 2006-02-24 Geoffrey Keating <geoffk@apple.com>
15852 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
15853 * doc/invoke.texi (C++ Dialect Options): Document
15854 -fno-use-cxa-get-exception-ptr.
15855 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
15856 * configure: Regenerate.
15857 * c.opt (fuse-cxa-get-exception-ptr): New.
15858 * c-opts.c (c_common_handle_option): Handle
15859 OPT_fuse_cxa_get_exception_ptr.
15860 * c-common.c (flag_use_cxa_atexit): Update documentation.
15861 (flag_use_cxa_get_exception_ptr): New.
15862 * c-common.h (flag_use_cxa_get_exception_ptr): New.
15863 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
15865 (C_COMMON_OVERRIDE_OPTIONS): New.
15867 2006-02-24 Roger Sayle <roger@eyesopen.com>
15869 PR middle-end/24952
15870 * combine.c (try_combine): Explicitly check whether GET_CODE is
15871 a SET or a CLOBBER, instead on checking that it isn't a USE.
15873 2006-02-24 Roger Sayle <roger@eyesopen.com>
15875 * fold-const.c (fold_comparison): New subroutine of fold_binary
15876 containing transformations common to both the equality and
15877 ordering relational operators, factored out of fold_binary.
15878 (fold_binary): Separate out the equality operators (EQ_EXPR
15879 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
15880 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
15881 transformations common to both.
15882 (fold_div_compare): Fix latent bugs in the previously unreachable
15883 LT_EXPR and GE_EXPR cases.
15885 2006-02-24 David Edelsohn <edelsohn@gnu.org>
15887 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
15888 decl libname for clog to __clog on AIX.
15890 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
15892 2006-02-24 Alan Modra <amodra@bigpond.net.au>
15895 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
15896 output traceback table for thunks. Localise rs6000_stack_info call.
15898 2006-02-23 Roger Sayle <roger@eyesopen.com>
15899 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15901 * gthr-posix.h (__gthrw): Fix typo in comment.
15903 2006-02-23 Geoffrey Keating <geoffk@apple.com>
15905 * doc/cpp.texi (Character sets): Document that we do support
15906 input files to be in any character set.
15908 2006-02-23 Jeff Law <law@redhat.com>
15910 * tree.h (PHI_ARG_NONZERO): Remove.
15911 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
15912 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
15913 node to the new node.
15915 PR tree-optimization/26425
15916 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
15917 min/max, then assume its varying.
15919 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15921 PR rtl-optimization/26316
15922 * rtlanal.c (enum may_trap_p_flags): New.
15923 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
15924 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
15925 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
15926 (may_trap_after_code_motion_p): New function.
15927 * loop-invariant.c (find_identical_invariants): Fix dump formating.
15928 (find_invariant_insn): Use may_trap_after_code_motion_p.
15929 * rtl.h (may_trap_after_code_motion_p): Declare.
15931 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
15933 * emit-rtl.c (immed_double_const): Cleanup.
15935 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
15937 Fix PR tree-optimization/26376
15938 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
15941 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15943 PR middle-end/26412
15944 * gimplify.c (omp_add_variable): Guard variable size decl test with
15945 DECL_SIZE (decl) check.
15947 2006-02-23 Richard Guenther <rguenther@suse.de>
15949 PR middle-end/26439
15950 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
15951 like aggregate types.
15953 2006-02-23 Jakub Jelinek <jakub@redhat.com>
15955 * configure.ac: Add --with{,out}-long-double-128 configure option.
15956 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
15957 * configure: Rebuilt.
15958 * config.in: Rebuilt.
15959 * doc/install.texi (Options specification): Document
15960 --with-long-double-128.
15962 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15963 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15964 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
15965 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15967 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15969 * config/s390/s390.c (override_options): Handle
15970 TARGET_DEFAULT_LONG_DOUBLE_128.
15972 * config/alpha/alpha.c (override_options): Handle
15973 TARGET_DEFAULT_LONG_DOUBLE_128.
15975 * config/sparc/sparc.c (sparc_override_options): Handle
15976 TARGET_DEFAULT_LONG_DOUBLE_128.
15978 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15980 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15981 (real-install-headers-tar, real-install-headers-cpio)
15982 (real-install-headers-cp): New targets.
15984 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15986 * tree.h (variable_section): Delete.
15987 * varasm.c (variable_section): Delete.
15989 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15991 * install.texi: Add notes on install.texi2html.
15992 (Building in parallel): Do not use footnotes.
15994 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15997 * doc/install.texi (Configuration): Document --disable-libgomp.
15999 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16001 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16003 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16005 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16006 (vec_extractv2df_0_sse): New.
16008 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16010 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16011 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16012 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16013 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16014 to the result of the expression.
16015 (def_cfa_1): Adjust.
16016 (frame_pointer_cfa_offset): Rename to...
16017 (frame_pointer_fb_offset): ... this. Adjust all uses.
16018 (convert_cfa_to_loc_list): Rename to...
16019 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16020 Pass it on to build_cfa_loc.
16021 (compute_frame_pointer_to_cfa_displacement): Rename to...
16022 (compute_frame_pointer_to_fb_displacement): ... this. New
16023 offset parameter. Use it in computation.
16024 (gen_subprogram_die): Compute cfa_fb_offset with the new
16025 macro, and use it to compute the fb loc list and the
16028 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16030 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16031 replaced with register_operand.
16032 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16033 non-DREG is expensive.
16034 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16035 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16038 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16040 * doc/install.texi2html: Use set -e.
16042 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16044 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16045 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16046 * doc/invoke.texi (-fshared-data): Delete.
16047 * common.opt (fshared-data): Delete.
16048 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16049 (assemble_static_space): Remove #if 0 code.
16050 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16051 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16052 * config/cris/cris.h: Remove FIXME.
16054 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16056 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16059 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16061 PR middle-end/26379
16062 * combine.c (simplify_shift_const_1): Disable nested shifts
16063 optimization for vector shifts.
16065 2006-02-20 Roger Sayle <roger@eyesopen.com>
16067 PR tree-optimization/26361
16068 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16069 of unsigned integer types.
16071 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16073 * tree-chrec.c (eq_evolutions_p): New.
16074 * tree-chrec.h (eq_evolutions_p): Declared.
16075 * tree-data-ref.c: Fix formatting.
16076 (datadep_stats, dependence_stats): New.
16078 (print_direction_vector): New.
16079 (dump_data_dependence_relation): Use print_direction_vector.
16080 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16081 (compute_subscript_distance): Static.
16082 (initialize_data_dependence_relation): Static. Get the number
16083 of loops surrounding the references from the callers, and initialize
16084 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16085 base_object_differ_p analyzers.
16086 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16087 compute_overlap_steps_for_affine_1_2,
16088 analyze_subscript_affine_affine): Count the classified dependences.
16089 Print a message when a test failed.
16090 (can_use_analyze_subscript_affine_affine): New.
16091 (analyze_siv_subscript): Compute the data dependences on symbolic
16092 scevs that verify can_use_analyze_subscript_affine_affine.
16093 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16094 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16095 Handle symbolic scevs.
16096 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16098 (subscript_dependence_tester): Moved...
16099 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16100 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16101 DDR_SIZE_VECT instead of getting it in parameter.
16102 (subscript_dependence_tester): ... here. Take as a parameter
16103 loop_nest_depth. Call build_classic_dist_vector and
16104 build_classic_dir_vector.
16105 (compute_affine_dependence): Update subscript_dependence_tester
16106 parameters. Update datadep_stats counters. Call
16107 compute_subscript_distance.
16108 (compute_self_dependence): Save the dist and dir vectors. Call
16109 compute_subscript_distance.
16110 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16111 (compute_all_dependences): Reorder parameters as they were before
16112 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16113 compute_subscript_distance. Update the use of
16114 compute_affine_dependence and initialize_data_dependence_relation.
16115 (find_data_references_in_loop): Handle COMPONENT_REF.
16116 (compute_data_dependences_for_loop): Initialize dependence_stats.
16117 Don't call build_classic_dist_vector and build_classic_dir_vector.
16118 Update the parameters of initialize_data_dependence_relation and
16119 compute_all_dependences. Print the statistics from datadep_stats.
16120 (analyze_all_data_dependences): Static. Not used until the pass for
16121 checking the data dependences is contributed.
16122 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16123 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16124 (initialize_data_dependence_relation, compute_affine_dependence,
16125 analyze_all_data_dependences, compute_subscript_distance): Removed.
16126 (print_direction_vector): New.
16127 * lambda.h (gcd): ... here.
16128 (lambda_vector_gcd): Moved here from gcd_vector.
16129 * lambda-code.c (gcd, gcd_vector): Removed.
16130 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16131 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16133 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16135 * ipa-type-escape.c: Tidy some comments and white space.
16136 * tree-ssa-operands.c: Likewise.
16138 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16141 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16142 (dump_decl_name): Do not walk the decl tree chains.
16143 * tree-pass.h (TDF_CHAIN): Remove.
16145 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16147 * Makefile.in (C): Remove
16149 (.PHONY): Remove C and PROTO
16151 2006-02-20 Roger Sayle <roger@eyesopen.com>
16153 PR middle-end/26236
16154 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16155 deprecated CHAR_TYPE tree code.
16157 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16159 * configure.ac (target_list): Add install-info, dvi, html.
16160 * configure: Regenerate.
16162 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16163 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16164 treelang/Make-lang.in: Do not use double-colon rules.
16166 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16168 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16169 (TMT_USED_ALONE): New macro.
16170 * tree-pass.h (PROP_tmt_usage): New property.
16171 (TODO_update_tmt_usage): New todo.
16172 * tree-ssa-alias.c (updating_used_alone): New variable.
16173 (recalculate_used_alone): New function.
16174 (compute_may_aliases): Set updating_used_alone, call
16175 recalculate_used_alone.
16176 * tree-sra.c (pass_sra): Note that this pass destroys
16177 PROP_tmt_usage, and add TODO_update_tmt_usage.
16178 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16179 * tree-flow.h (updating_used_alone): Prototype.
16180 (recalculate_used_alone): Ditto.
16181 * passes.c (execute_todo): Add code to set updating_used_alone,
16182 and call recalculate.
16183 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16184 for clobber if used alone, and add assert to verify used_alone
16187 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16189 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16190 for non tls symbols added.
16191 (legitimize_address): Do nothing for PLUS expressions if one of the
16192 addends is a tls symbol reference.
16194 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16198 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16200 * Makefile.in (BOOTSTRAPPING): New.
16201 (quickstrap): New definition if BOOTSTRAPPING=yes.
16203 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16204 * configure.ac: Substitute all_selected_languages with the languages
16205 that were configured. For all the other variables except
16206 lang_specs_files, include all the languages in the tree.
16207 * configure: Regenerate.
16209 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16210 if there is one. Run the commands to run fixincludes in the same
16213 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16214 * doc/install.texi: Document exact conventions for searching target tools.
16215 Document --with-build-time-tools. Document toplevel bootstrap. Document
16216 something more about building an Ada cross-compiler. Don't list GNU Make
16217 requirements which affect all platforms.
16219 2006-02-19 Roger Sayle <roger@eyesopen.com>
16221 PR middle-end/19543
16222 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16223 only equivalent if the have both the same mode and precision.
16225 2006-02-20 Ben Elliston <bje@au.ibm.com>
16227 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16229 2006-02-19 Roger Sayle <roger@eyesopen.com>
16230 Steven Bosscher <stevenb.gcc@gmail.com>
16232 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16233 constant pool references to identify stack mode constants.
16234 * rtlanal.c (constant_pool_constant_p): New predicate to check
16235 whether operand is a floating point constant in the pool.
16236 * rtl.h (constant_pool_constant_p): Prototype here.
16237 * loop.c (scan_loop): Avoid hoisting constants from the constant
16238 pool on STACK_REGS targets.
16239 (load_mems): Likewise.
16240 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16241 loads into x87 registers expensive in terms of register pressure.
16243 2006-02-19 Roger Sayle <roger@eyesopen.com>
16245 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16246 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16248 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16250 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16251 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16253 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16255 * doc/invoke.texi: Document -fipa-pta.
16256 * common.opt: Add ipa-pta option.
16257 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16258 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16259 (do_ds_constraint): Ditto.
16260 (get_constraint_for): Only add to referenced_vars if
16261 referenced_vars exists.
16262 (insert_into_field_list): Rewrite to do this unsorted.
16263 (insert_into_field_list_sorted): Rename old insert_into_field_list
16265 (create_function_info_for): Use insert_into_field_list_sorted.
16266 (create_variable_info_for): Rewrite so it uses unsorted version,
16267 since the field list is sorted.
16268 (intra_create_variable_infos): Only add to referenced_vars if
16269 referenced_vars exists.
16270 (ipa_pta_execute): Init heapvars, and delete when done.
16271 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16273 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16275 * doc/install.texi: Add missing `@samp'.
16277 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16279 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16282 2006-02-18 Mark Wielaard <mark@klomp.org>
16284 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16285 who added new 4.1 features, bug fixes and integration support.
16287 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16290 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16291 MEM for ABI_V4 pic.
16293 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16295 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16296 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16297 (copy_insn_1): Likewise. Don't copy each field individually.
16299 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16301 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16302 * rtl.c (rtx_size): Rename variable to...
16303 (rtx_code_size): ...this.
16304 (rtx_size): New function.
16305 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16306 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16308 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16309 * rtl.h (rtx_code_size): New variable.
16310 (rtx_size): Change from a variable to a function.
16311 (RTX_SIZE): Rename to...
16312 (RTX_CODE_SIZE): ...this.
16315 PR tree-optimization/17106
16316 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16317 (Anchored Addresses): New section.
16318 * doc/invoke.texi (-fsection-anchors): Document.
16319 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16320 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16321 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16322 * hooks.c (hook_bool_mode_rtx_false): New function.
16323 * hooks.h (hook_bool_mode_rtx_false): Declare.
16324 * gengtype.c (create_optional_field): New function.
16325 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16326 SYMBOL_REF_IN_BLOCK_P is true.
16327 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16328 (min_anchor_offset, max_anchor_offset): Likewise.
16329 (use_anchors_for_symbol_p): New hook.
16330 * toplev.c (compile_file): Call output_object_blocks.
16331 (target_supports_section_anchors_p): New function.
16332 (process_options): Check that -fsection-anchors is only used on
16333 targets that support it and when -funit-at-a-time is in effect.
16334 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16335 if the decl doesn't have one.
16336 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16337 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16338 of force_const_mem through use_anchored_address.
16339 (expand_expr_constant): New function.
16340 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16341 calling expand_expr for INDIRECT_REF.
16342 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16343 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16344 * expr.h (use_anchored_address): Declare.
16345 * loop-unroll.c: Don't declare rtx vectors here.
16346 * explow.c: Include output.h.
16347 (validize_mem): Call use_anchored_address.
16348 (use_anchored_address): New function.
16349 * common.opt (-fsection-anchors): New switch.
16350 * varasm.c (object_block_htab, anchor_labelno): New variables.
16351 (hash_section, object_block_entry_eq, object_block_entry_hash)
16352 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16353 (use_blocks_for_decl_p, change_symbol_section): New functions.
16354 (get_variable_section): New function, split out from assemble_variable.
16355 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16356 use_blocks_for_decl_p say so. Use change_symbol_section if the
16357 symbol has already been created.
16358 (assemble_variable_contents): New function, split out from...
16359 (assemble_variable): ...here. Don't output any code for
16360 block symbols; just pass them to place_block_symbol.
16361 Use get_variable_section and assemble_variable_contents.
16362 (get_constant_alignment, get_constant_section, get_constant_size): New
16363 functions, split from output_constant_def_contents.
16364 (build_constant_desc): Create a block symbol if use_object_blocks_p
16365 says so. Or into SYMBOL_REF_FLAGS.
16366 (assemble_constant_contents): New function, split from...
16367 (output_constant_def_contents): ...here. Don't output any code
16368 for block symbols; just pass them to place_section_symbol.
16369 Use get_constant_section and get_constant_alignment.
16370 (force_const_mem): Create a block symbol if use_object_blocks_p and
16371 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16372 (output_constant_pool_1): Add an explicit alignment argument.
16373 Don't switch sections here.
16374 (output_constant_pool): Adjust call to output_constant_pool_1.
16375 Switch sections here instead. Don't output anything for block symbols;
16376 just pass them to place_block_symbol.
16377 (init_varasm_once): Initialize object_block_htab.
16378 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16379 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16380 (place_block_symbol, get_section_anchor, output_object_block)
16381 (output_object_block_htab, output_object_blocks): New functions.
16382 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16383 (TARGET_ASM_OUT): Include it.
16384 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16385 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16386 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16387 (TARGET_INITIALIZER): Include them.
16388 * rtl.c (rtl_check_failed_block_symbol): New function.
16389 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16390 (block_symbol, object_block): New structures.
16391 (rtx_def): Add a block_symbol field to the union.
16392 (BLOCK_SYMBOL_CHECK): New macro.
16393 (rtl_check_failed_block_symbol): Declare.
16394 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16395 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16396 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16397 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16398 * output.h (output_section_symbols): Declare.
16399 (object_block): Name structure.
16400 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16401 (default_use_anchors_for_symbol_p): Declare.
16402 * Makefile.in (RTL_BASE_H): Add vec.h.
16403 (explow.o): Depend on output.h.
16404 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16405 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16406 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16407 (rs6000_use_blocks_for_constant_p): New function.
16409 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16411 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16413 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16416 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16419 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16421 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16425 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16427 PR middle-end/26334
16428 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16429 instead of DECL_REGISTER.
16431 2006-02-18 Olivier Hainque <hainque@adacore.com>
16434 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16436 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16439 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16440 * opth-gen.awk: Handle Var and InverseMask together.
16441 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16442 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16443 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16444 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16446 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16447 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16448 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16449 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16450 LINUX_DYNAMIC_LINKER): Define.
16451 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16452 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16454 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16455 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16456 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16457 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16458 (TARGET_C99_FUNCTIONS): Don't define.
16459 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16460 GLIBC_DYNAMIC_LINKER.
16461 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16462 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16463 GLIBC_DYNAMIC_LINKER64): Define.
16464 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16465 LINUX_DYNAMIC_LINKER64.
16466 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16467 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16468 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16470 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16472 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16473 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16474 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16475 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16476 and LINUX_DYNAMIC_LINKER32.
16477 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16478 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16479 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16481 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16483 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16484 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16485 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16486 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16487 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16488 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16489 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16490 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16491 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16492 LINUX_DYNAMIC_LINKER): Define.
16493 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16494 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16495 GLIBC_DYNAMIC_LINKER64): Define.
16496 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16497 LINUX_DYNAMIC_LINKER64.
16498 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16499 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16500 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16501 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16502 LINUX_DYNAMIC_LINKER): Define.
16503 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16504 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16505 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16506 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16507 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16508 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16509 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16510 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16511 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16512 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16514 * doc/invoke.texi (-muclibc): Remove caveat about supported
16517 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16519 * doc/cpp.texi (__TIMESTAMP__): Document.
16521 2006-02-17 Roger Sayle <roger@eyesopen.com>
16523 PR middle-end/25600
16524 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16525 C is one less than the width of X (and related transformations).
16526 * simplify-rtx.c (simplify_unary_operation_1): Transform
16527 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16528 depending on STORE_FLAG_VALUE, were C is one less then the
16531 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16533 Fix PR tree-optimization/26341
16534 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16535 about NAME_MEMORY_TAG's.
16537 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16540 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16541 with hardware float support, and software float support. Add fcpy
16542 alternative to hardware patterns. Add alternatives to copy between
16543 general and floating-point registers to the 32-bit pattern.
16544 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16545 secondary reload to load a QI or HI mode constant into a floating
16547 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16548 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16550 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
16553 * config/rs6000/darwin.md (load_macho_picbase_si): Add
16555 (load_macho_picbase_di): Likewise.
16557 2006-02-16 Jeff Law <law@redhat.com>
16559 * tree-vrp.c (set_value_range_to_nonnegative): New function.
16560 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
16561 (ssa_name_nonzero_p): Likewise.
16562 (get_value_range): Return NULL if VRP is not running.
16563 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
16564 VRP routines do not discover a range.
16565 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
16566 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
16567 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
16568 (tree_expr_nonnegative_p): Similarly.
16569 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
16570 (restore_nonzero_vars_to_original_value): Remove.
16571 (unsafe_associative_fp_binop): Remove.
16572 (tree_ssa_dominator_optimize): Remove initialization and
16573 finalization of nonzero_vars and nonzero_vars_stack.
16574 (dom_opt_initialize_block): No longer push marker on
16575 nonzero_vars_stack.
16576 (dom_opt_finalize_block): No longer call
16577 restore_nonzero_vars_to_original_value.
16578 (record_equivalences_from_phis): No longer look for
16579 nonzero PHI arguments.
16580 (cprop_into_successor_phis): No longer propagate nonzero
16581 property into PHI arguments. Lose unused argument. Caller
16583 (record_equivalences_from_stmt): No longer record nonzero
16584 values for SSA_NAMEs.
16585 (lookup_avail_expr): No longer use nonzero_vars.
16587 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
16588 for sizetype when sizetype is unsigned.
16590 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
16592 PR rtl-optimization/25603
16593 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
16594 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
16595 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
16596 with new meaning of SETS.
16598 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
16603 * config/linux.opt: New file.
16604 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
16605 LINUX_DYNAMIC_LINKER): Define.
16606 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
16607 * config.gcc (*-*-linux*): Define extra_options.
16608 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
16609 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
16610 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
16611 GLIBC_DYNAMIC_LINKER.
16612 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
16613 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16614 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16616 * doc/invoke.texi (GNU/Linux Options): New section.
16618 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
16620 * config/sparc/sparc.md (setjmp): Rewrite.
16621 (setjmp_32): Delete.
16622 (setjmp_64): Likewise.
16624 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
16626 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
16629 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16631 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
16634 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
16636 PR rtl-optimization/26296
16637 * Makefile.in (loop-invariant.c): Add except.h dependency.
16638 * loop-invariant.c: Include except.h.
16639 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
16641 2005-02-16 Paul Brook <paul@codesourcery.com>
16643 * reload1.c (emit_reload_insns): Invalidate dead input registers used
16646 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
16648 PR rtl-optimization/25636
16649 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
16650 when deciding whether an insn is an initializing insn.
16652 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
16654 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
16655 (tree_code_size): Ditto.
16656 * tree.h (struct tree_memory_tag): Remove parent_var.
16657 (struct tree_struct_field_tag): New.
16660 (union tree_node): Add sft member.
16661 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
16663 (create_sft): Add size and offset argument, set SFT_OFFSET and
16665 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
16666 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
16667 * tree-flow-inline.h (get_subvar_at): Update for
16668 SFT_OFFSET/SFT_SIZE.
16669 (var_can_have_subvars): Ditto.
16670 (overlap_subvar): Ditto.
16671 * print-tree.c (print_node): Print out interesting things for
16673 * tree-flow.h (struct subvar): Remove offset and size members.
16674 * tree-ssa-operands.c (get_expr_operands): Update for
16675 get_indirect_ref_operands changes.
16676 (get_indirect_ref_operands): Call add_virtual_operand instead of
16677 add_stmt_operand. Only recurse on base var if requested.
16678 (access_can_touch_variable): New function.
16679 (add_stmt_operand): Split virtual operand handling into ...
16680 (add_virtual_operand): Here. Add offset, size, and for_clobber
16681 arguments. Prune alias sets.
16682 (add_call_clobber_ops): Call add_virtual_operand.
16684 2006-02-15 Jakub Jelinek <jakub@redhat.com>
16686 PR middle-end/26300
16687 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
16689 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
16690 than TREE_CODE as index into omp_clause_num_ops array.
16692 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
16694 PR rtl-optimization/26184
16695 * modulo-sched.c (generate_reg_moves): Free bitmap vector
16697 * modulo-sched.c (sms_schedule): Free g_arr pointer.
16698 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
16699 must_precede, must_follow and tobe_scheduled.
16702 * opts.c (common_handle_option): Free new_option pointer.
16703 * df-core.c (df_analyze): Free postorder pointer.
16705 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16707 * Makefile.in: Fix the examples about the use of stamps
16709 2006-02-15 Michael Matz <matz@suse.de>
16711 PR middle-end/22275
16713 * stor-layout.c (layout_decl): Zero-width bitfields aren't
16714 influenced by maximum_field_alignment or DECL_PACKED.
16715 (update_alignment_for_field): Ditto.
16716 (place_field): Ditto.
16717 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
16720 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
16722 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
16723 (debug_flow_info): Pass it.
16724 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
16725 * bb-reorder.c (reorder_basic_blocks): Likewise.
16726 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
16727 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
16728 * flow.c (life_analysis, recompute_reg_usage): Likewise.
16729 * gcse.c (gcse_main, bypass_jumps): Likewise.
16730 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
16731 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
16732 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
16733 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
16734 * rtl.h (dump_flow_info): Adjust prototype.
16735 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
16736 * var-tracking.c (variable_tracking_main): Likewise.
16737 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
16738 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
16741 2006-02-15 Marcin Dalecki <martin@dalecki.de>
16743 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
16746 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16748 PR tree-optimization/26209
16749 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
16750 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
16752 * tree-cfg.c (replace_uses_by): Do not alter cfg.
16754 2006-02-14 Roger Sayle <roger@eyesopen.com>
16756 PR middle-end/23670
16757 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
16758 (X,Y) and the corresponding symmetry related transformations.
16759 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
16760 (X,Y) and its symmetry related transformations.
16762 2006-02-14 Roger Sayle <roger@eyesopen.com>
16764 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
16767 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16769 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
16771 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16774 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
16775 support COMDAT group.
16776 * configure: Regenerate.
16778 2006-02-14 Roger Sayle <roger@eyesopen.com>
16780 PR middle-end/26279
16781 PR middle-end/26280
16782 PR middle-end/26283
16783 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
16785 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
16787 Fix PR tree-optimization/26260
16789 * doc/invoke.texi (max-fields-for-field-sensitive): Document
16791 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
16792 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
16793 * tree-ssa-structalias.c (create_variable_info_for): Use
16794 MAX_FIELDS_FOR_FIELD_SENSITIVE.
16796 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
16798 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
16800 * tree-ssa-loop-niter.c (number_of_iterations_ne,
16801 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
16802 of the ending condition.
16803 * tree-ssa-loop-manip.c: Include params.h.
16804 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
16805 tree_unroll_loop): New functions.
16806 * tree-pass.h (pass_loop_prefetch): Declare.
16807 * loop.c (rest_of_handle_loop_optimize): Test for
16808 -fprefetch-loop-arrays-rtl.
16809 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
16810 * timevar.def (TV_TREE_PREFETCH): New timevar.
16811 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
16812 pass_loop_prefetch): New.
16813 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
16814 (cleanup_tree_cfg_loop): Call scev_reset.
16815 * common.opt (fprefetch-loop-arrays-rtl): Add.
16816 * tree-ssa-loop-prefetch.c: New file.
16817 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
16818 (new_temp_expr_table): Initialize expr_vars.
16819 (free_temp_expr_table): Cleanup expr_vars.
16820 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
16821 expressions from being merged into one.
16822 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
16823 (struct tree_niter_desc): Add control, bound and cmp fields.
16824 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
16826 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
16827 (tree-cfgcleanup.o): Add SCEV_H dependency.
16828 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
16829 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
16831 2006-02-14 Richard Guenther <rguenther@suse.de>
16833 PR tree-optimization/26258
16834 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
16835 in PHI argument processing.
16837 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
16839 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
16840 new expression in the requested machine mode.
16842 2006-02-13 Roger Sayle <roger@eyesopen.com>
16844 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
16845 directly, instead let do_compare_rtx_and_jump handle this for us.
16846 * expr.c (expand_expr_real_1): Likewise.
16847 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
16848 before do_jump_by_parts_greater.
16849 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
16850 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
16852 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16854 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
16856 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16858 PR rtl-optimization/26235
16859 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
16860 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
16863 2006-02-13 Jeff Law <law@redhat.com>
16865 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
16868 2006-02-13 Jakub Jelinek <jakub@redhat.com>
16870 PR middle-end/26092
16871 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
16872 twice if decl is a builtin. When trying again, call get_callee_fndecl
16873 first to verify it is still a builtin.
16875 2006-02-13 Geoffrey Keating <geoffk@apple.com>
16877 * dwarf2out.c (base_type_die): Don't add AT_name here.
16878 (subrange_type_die): Don't add AT_name here.
16879 (modified_type_die): Rearrange code flow. Do add AT_name here.
16881 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
16883 PR rtl-optimization/26247
16884 PR rtl-optimization/26248
16885 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
16887 2006-02-13 Richard Sandiford <richard@codesourcery.com>
16889 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
16890 * config/fixtfdi.c: Likewise.
16891 * config/fixunstfdi.c: Likewise.
16892 * config/floatditf.c: Likewise.
16894 2006-02-13 Roger Sayle <roger@eyesopen.com>
16896 PR middle-end/24427
16897 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
16898 into (X,C2) if C1 is a subset of the bits of C2. Transform
16899 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
16901 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
16903 2006-02-13 Josh Conner <jconner@apple.com>
16906 * varasm.c (function_section): Check for section name before
16907 calling select_section on targets that define
16908 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
16909 unlikely_text_section instead of hot_function_section if
16910 first_function_block_is_cold.
16912 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
16914 PR middle-end/25335
16915 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
16917 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16919 PR rtl-optimization/26222
16920 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
16921 after tree->rtl expansion.
16922 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
16923 before passing it to emit_move_insn.
16925 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
16927 * doc/invoke.texi (-Write-strings): Document that it is enabled by
16929 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
16930 Clarify documentation.
16931 * c-common.h (warn_write_strings): Remove.
16932 * c-common.c (warn_write_strings): Likewise.
16933 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
16936 2006-02-12 Roger Sayle <roger@eyesopen.com>
16938 PR middle-end/25724
16939 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
16940 (do_jump_parts_zero_rtx): New function renamed from
16941 do_jump_parts_equality_rtx. Made static. Add a mode argument.
16942 (do_jump_parts_equality_rtx): New function split out from
16943 do_jump_parts_equality. Old implementation renamed as above.
16944 Call do_jump_parts_zero_rtx if either operand is zero.
16945 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
16946 do all of the heavy lifting.
16947 (do_compare_rtx_and_jump): Handle multi-word comparisons by
16948 calling either do_jump_by_parts_greater_rtx or
16949 do_jump_by_parts_equality_rtx.
16950 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
16951 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
16952 moved to do_compare_rtx_and_jump, call it directly.
16953 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
16954 mode argument. Call do_compare_rtx_and_jump.
16955 (emit_case_nodes): Update calls to do_jump_if_equal.
16957 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16959 PR rtl-optimization/26225
16960 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
16962 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
16964 PR rtl-optimization/26232
16965 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16967 2006-02-11 Jason Merrill <jason@redhat.com>
16970 * tree-inline.c (declare_return_variable): Just don't use the
16971 modify target if it's a gimple complex reg and the return slot
16974 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16976 * doc/contrib.texi: Update my entry.
16978 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16980 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16982 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16984 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16987 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16989 * doc/invoke.texi (-floop-optimize2): Removed.
16990 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16991 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16992 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16993 * common.opt (floop-optimize2): Removed.
16994 (fmove-loop-invariants): Enabled by default.
16996 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16998 * tree-if-conv.c (combine_blocks): Free the result of
16999 get_loop_exit_edges.
17001 2006-02-10 Jeff Law <law@redhat.com>
17003 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17005 PR tree-optimization/26213
17006 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17007 loop trying to follow SSA_NAME_VALUE chains.
17009 2006-02-10 Richard Guenther <rguenther@suse.de>
17011 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17012 deal with structures that end in implicitly variable sized arrays.
17014 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17016 PR rtl-optimization/24762
17017 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17020 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17022 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17023 (struct ivopts_data): Add regs_used field.
17024 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17025 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17026 instead of loop_data->regs_used;
17027 (free_loop_data): Do not free aux fields for loops.
17028 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17029 and tree_ssa_iv_optimize_finalize.
17031 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17033 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17035 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17038 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17039 computing the effective result type.
17041 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17043 PR inline-asm/16194
17044 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17045 (tree_overlaps_hard_reg_set): Declare.
17046 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17047 type and signature to match function type expected by walk_tree.
17048 (tree_overlaps_hard_reg_set): New function.
17049 (decl_conflicts_with_clobbers_p): Rename to:
17050 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17051 Use tree_overlaps_hard_reg_set. Changed caller.
17052 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17053 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17054 * cris.c (cris_md_asm_clobbers): Likewise.
17056 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17058 * reload1.c (emit_input_reload_insns): Delete code that tries to
17059 inherit using find_equiv_reg.
17061 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17063 * c-common.h (flag_const_strings): Don't declare.
17064 * c-common.c (flag_const_strings): Remove.
17065 * c.opt (fconst_strings): Remove.
17066 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17067 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17068 (c_common_init_options): Don't set flag_const_strings.
17069 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17071 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17073 * arm.md (tlobits_cbranch): New pattern.
17074 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17075 testing a single bit.
17077 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17080 * tree-ssa-pre.c (create_component_ref_by_pieces):
17081 Handle RETURN_DECL like VAR_DECL.
17083 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17085 PR middle-end/26134
17086 * fold-const.c (fold_indirect_ref_1): Fold
17087 "*(foo *)&complexfoo" to "__real__ complexfoo"
17088 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17090 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17092 * tree-flow-inline.h (var_can_have_subvars):
17093 Volatile variables should not have subvariables.
17095 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17098 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17099 multiplying unsigned values.
17102 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17104 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17106 2006-02-08 Jason Merrill <jason@redhat.com>
17109 * tree.def: Elaborate on difference from MODIFY_EXPR.
17110 * doc/c-tree.texi (INIT_EXPR): Likewise.
17111 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17112 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17113 (gimplify_target_expr): Likewise.
17114 (gimplify_cond_expr): Remove target handling.
17115 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17116 (gimplify_expr): Clobber it here.
17117 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17118 Do return slot optimization if we have an INIT_EXPR.
17121 * tree-inline.c (declare_return_variable): Also clear
17122 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17125 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17127 PR middle-end/22439
17128 * gimplify.c (gimplify_one_sizepos): Fix typo.
17130 2006-02-08 Jeff Law <law@redhat.com>
17132 PR tree-optimization/21417
17133 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17134 across a backedge if the control statement at the end of the
17135 block is data dependent on other statements in the same block.
17136 (record_temporary_equivalences_from_stmts): Remove over-conservative
17137 test for threading across backedges.
17139 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17140 control statement, handle all three special cases in the same
17141 manner as they all have the same desired solution. No longer
17142 special case edge flag updating when the post dominator is
17145 2006-02-08 Roger Sayle <roger@eyesopen.com>
17147 * tree.def (CHAR_TYPE): Remove.
17148 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17149 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17150 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17151 (gen_string_type_die): Delete unreachable function.
17153 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17154 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17155 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17156 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17157 * builtins.c (type_to_class): Likewise.
17158 * fold-const.c (fold_convert, build_range_check,
17159 merge_ranges): Likewise.
17160 * expr.c (count_type_elements): Likewise.
17161 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17162 * stor-layout.c (layout_type): Likewise.
17163 * ipa-type-escape.c (type_to_consider): Likewise.
17164 * gimplify.c (omp_firstprivatize_type_sizes,
17165 gimplify_type_sizes): Likewise.
17166 * explow.c (promote_mode): Likewise.
17167 * tree-sra.c (is_sra_scalar_type): Likewise.
17168 * varasm.c (output_constant): Likewise.
17169 * tree-inline.c (remap_type_1): Likewise.
17170 * convert.c (convert_to_pointer, convert_to_real,
17171 convert_to_integer, convert_to_complex): Likewise.
17173 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17175 * df-scan.c (df_def_record_1): A set destination may
17176 be a parallel regardless of mode.
17178 2006-02-08 Roger Sayle <roger@eyesopen.com>
17181 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17182 * config/mips/_tilib.c: Remove.
17183 * config/fixtfdi.c: New libgcc source file.
17184 * config/fixunstfdi.c: New source file.
17185 * config/floatditf.c: New source file.
17186 * config/floatunditf.c: New souce file.
17187 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17188 files above instead of config/mips/_tilib.c.
17189 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17191 2006-02-08 Jeff Law <law@redhat.com>
17193 PR tree-optimization/26169
17194 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17197 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17199 * df.h (DF_REG_SIZE): Return the length of the initialized
17202 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17204 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17205 __muldf3): Return a correctly signed zero.
17207 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17209 * passes.c (register_one_dump_file): Accept the current properties
17210 instead of pass number. Adjust call to dump_register. Remove
17212 (register_dump_files): Now a wrapper around...
17213 (register_dump_files_1): ... this one. Do not modify the pass
17215 (next_pass_1): Cosmetic fix.
17216 (execute_todo): Keep second parameter only. Use curr_properties
17217 instead of fetching it from the pass structure. Check and set
17219 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17220 instead of fetching it from the pass structure. Fix calls to
17221 execute_todo. Update curr_properties and initialize .vcg RTL dump
17222 after running the pass. Reset last_verified.
17223 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17225 (FIRST_AUTO_NUMBERED_DUMP): New.
17226 (dump_register): Remove "num" parameter, assign it within the
17228 (get_dump_file_name): Modify template for dumps.
17229 * tree-dump.h (dump_register): Adjust prototype.
17230 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17231 (PROP_trees): Add PROP_gimple_lomp.
17232 (TODO_set_props): New.
17233 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17234 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17235 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17237 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17239 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17240 (sparc64-*-linux*): Likewise.
17241 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17242 * config/sparc/t-linux: New file.
17243 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17244 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17245 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17246 -m32 -mlong-double-128.
17248 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17249 * config/alpha/t-linux: New file.
17250 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17252 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17253 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17254 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17255 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17256 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17257 (CPP_ARCH32_SPEC): Remove.
17259 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17261 PR tree-optimization/26145
17262 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17265 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17268 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17269 >= 240000 when generating code for SOM runtime.
17270 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17271 to $$dyncall when generating code for SOM runtime..
17273 2006-02-07 Dirk Mueller <dmueller@suse.com>
17276 * doc/invoke.texi (-Wsequence-point): Update documentation
17277 that -Wsequence-point is implemented for C++ as well.
17279 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17281 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17282 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17283 (LIB_SPEC): Likewise.
17284 * doc/invoke.texi (SPARC options): Document -pthread.
17286 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17288 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17291 2006-02-07 Roger Sayle <roger@eyesopen.com>
17293 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17294 Correct comment describing BOOLEAN_TYPE.
17296 2006-02-07 Dirk Mueller <dmueller@suse.com>
17298 * c.opt: C++ frontend supports -Wdiv-by-zero.
17299 * c-opts.c (c_common_handle_option): Remove dead case.
17301 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17303 * configure.ac (TLS assembler check): Do not enable TLS by
17304 default on SPARC/Solaris before version 10.
17305 * configure: Regenerate.
17307 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17309 * doc/invoke.texi (xl-compat): Document conversion and support
17312 2006-02-07 Jeff Law <law@redhat.com>
17314 * tree-vrp.c (find_conditional_asserts): Update comments.
17315 (simplify_stmt_for_jump_threading): New.
17316 (identify_jump_threads, finalize_jump_threads): New.
17317 (vrp_finalize): Call identify_jump_threads.
17318 (execute_vrp): Call finalize_jump_threads.
17319 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17320 (vrp_element, vrp_data, vrp_element_p): Remove.
17321 (vrp_hash_elt, vrp_variables_stack): Remove.
17322 (vrp_hash, vrp_eq, record_range): Remove.
17323 (simplify_cond_and_lookup_avail_expr): Remove.
17324 (extract_range_from_cond): Remove.
17325 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17326 (simplify_stmt_for_jump_threading): New.
17327 (dom_thread_across_edge): New wrapper.
17328 (tree_ssa_dominator_optimize): No longer initialize or
17329 finalize any of the VRP datastructures. Remove iteration
17330 step and simplify as a result of removal of iteration step.
17331 (pass_dominator): Perform a cfg cleanup after DOM.
17332 (dom_opt_finalize_block): Use the new common routines
17333 for threading jumps. Simplify stack management slightly.
17334 No longer need to unwind VRP state.
17335 (record_equivalences_from_incoming_edge): No longer record
17337 (eliminate_redundant_computations): No longer call
17338 simplify_cond_and_lookup_avail_expr.
17339 * tree-flow.h (potentially_threadable_block): Prototype.
17340 (thread_across_edge): Likewise.
17341 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17342 (tree-ssa-threadedge.o): Add dependencies.
17343 * tree-ssa-threadedge.c: New file.
17344 * passes.c (init_optimization_passes): Merge PHIs before
17345 calling VRP. Run VRP again late in the SSA optimization pipeline.
17347 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17349 * df-core.c (df_set_blocks): Do not dereference function pointers.
17350 (df_finish1): Likewise.
17351 (df_hybrid_search_forward): Likewise.
17352 (df_hybrid_search_backward): Likewise.
17353 (df_iterative_dataflow): Likewise.
17354 (df_analyze_problem): Likewise.
17355 (df_compact_blocks): Likewise.
17356 (df_dump): Likewise.
17357 * df-scan.c (df_rescan_blocks): Likewise.
17358 (df_record_entry_block_defs): Likewise.
17360 * genconditions.c (write_conditions): Guard the definition of
17361 'insn_conditions' with the check on GCC version.
17362 (write_writer): Guard the traversal 'insn_conditions' with
17363 the check on GCC version.
17365 2006-02-07 Richard Guenther <rguenther@suse.de>
17369 2006-01-30 Richard Guenther <rguenther@suse.de>
17371 * gimplify.c (gimplify_target_expr): Handle easy cases
17372 without creating a temporary.
17374 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17376 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17377 use of float in probability computations. Use edge probabilities
17378 in place of statically computed probabilities.
17379 (min_spec_prob): New static variable.
17380 (schedule_insns): Initialize it.
17381 (GET_SRC_PROB): Removed.
17382 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17384 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17387 * config/ia64/unwind-ia64.c: Revert last change.
17388 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17389 (INCOMING_FRAME_SP_OFFSET): Define.
17391 2006-02-06 Roger Sayle <roger@eyesopen.com>
17393 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17395 2006-02-07 Ben Elliston <bje@au.ibm.com>
17397 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17398 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17399 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17400 (ix86_return_in_memory): Handle TDmode.
17401 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17402 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17404 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17406 * reorg.c (dbr_schedule): Use dump_file instead of file.
17408 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17411 * config/ia64/predicates.md (extr_len_operand): New predicate.
17412 * config/ia64/ia64.md (extv): Tighten constraints.
17414 (*tbit_and_2): Ditto.
17415 (*tbit_and_3): Ditto.
17416 (*tbit_or_2): Ditto.
17417 (*tbit_or_3): Ditto.
17418 (*bit_zero): Ditto.
17421 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17424 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17426 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17428 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17429 loop_optimizer_init and loop_optimizer_finalize
17430 * tree-ssa-sink.c (execute_sink_code): Ditto.
17431 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17432 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17433 tree_ssa_loop_done): Ditto.
17434 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17435 * sched-ebb.c: Include output.h.
17436 (schedule_ebbs): Do not use dump argument.
17437 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17438 * loop.c (loop_dump_stream): Removed.
17439 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17441 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17442 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17443 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17444 loop_iterations, strength_reduce, record_biv, record_giv,
17445 final_giv_value, check_final_value, check_ext_dependent_givs,
17446 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17447 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17448 dump_file instead of loop_dump_stream.
17449 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17450 argument dump_file.
17451 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17453 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17454 * haifa-sched.c: Include output.h
17455 (schedule_insns, sched_init): Do not use dump argument.
17456 * mode-switching.c (optimize_mode_switching): Ditto.
17457 * modulo-sched.c (stats_file): Removed.
17458 (print_node_sched_params): Do not call argument dump_file.
17459 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17460 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17462 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17464 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17465 rtl_loop_init, rtl_loop_done): Ditto.
17466 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17467 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17469 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17470 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17471 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17472 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17473 * emit-rtl.c (renumber_insns): Ditto.
17474 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17475 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17476 * regclass.c (regclass): Ditto.
17477 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17478 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17479 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17480 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17482 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17483 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17485 * gcse.c (gcse_file, debug_stderr): Removed.
17486 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17487 rest_of_handle_gcse): Do not use dump argument.
17488 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17489 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17490 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17491 compute_code_hoist_vbeinout, compute_code_hoist_data,
17492 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17493 compute_store_table, build_store_vectors, insert_insn_start_bb,
17494 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17495 store_motion): Use dump_file instead of gcse_file.
17496 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17497 * profile.c (profile_dump_file): Removed.
17498 (branch_prob): Use dump_file instead of profile_dump_file.
17499 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17501 * tree-ssa-copy.c (dump_copy_of): Ditto.
17502 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17503 dump file to life_analysis.
17504 * bt-load.c (branch_target_load_optimize): Ditto.
17505 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17507 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17508 regclass, dbr_schedule): Declaration changed.
17509 * sched-int.h (sched_init): Declaration changed.
17510 * tree-profile.c (tree_profile_dump_file): Removed.
17511 (tree_profile_hooks): Removed profile_dump_file hook.
17512 * rtl-profile (rtl_profile_dump_file): Removed.
17513 (rtl_profile_hooks): emoved profile_dump_file hook.
17514 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17516 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17517 * tree-cfg.c (build_tree_cfg): Ditto.
17518 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17519 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17520 Declaration changed.
17521 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17522 life_analysis and schedule_insns.
17523 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17525 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17527 * config/mips/mips.c (mips_reorg): Ditto.
17528 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17531 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17533 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17534 (s390_mangle_fundamental_type): New.
17535 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17538 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17539 (alpha_mangle_fundamental_type): New.
17540 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17543 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17545 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17547 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17548 (sparc_mangle_fundamental_type): New.
17550 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17552 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
17553 (s390x-*-linux*): Likewise.
17554 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
17555 * config/s390/t-linux: New file.
17557 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17559 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
17560 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
17562 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
17564 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
17565 (ANTIC_SAFE_LOADS): New macro.
17566 (find_or_generate_expression): Add prototype.
17567 (set_contains_value): Allow null set for sake of not always having
17568 to allocate ANTIC_SAFE_LOADS.
17569 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
17570 Allow COMPONENT_REF too.
17571 (valid_in_set): Allow COMPONENT_REF.
17572 Check ANTIC_SAFE_LOADS too.
17573 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
17574 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
17576 (can_PRE_operation): Add COMPONENT_REF.
17577 (create_component_ref_by_pieces): New function.
17578 (create_expression_by_pieces): Use create_component_ref_by_pieces.
17579 (insert_aux): Move AGGREGATE_TYPE_P check here.
17580 (compute_avail): Set bb local stmt uids.
17581 (pass_pre): Use TODO_update_ssa_only_virtuals.
17583 2006-02-06 Ben Elliston <bje@au.ibm.com>
17585 * configure.ac: Unconditionally disable decimal float by default.
17586 * configure: Regenerate.
17588 2006-02-06 Ben Elliston <bje@au.ibm.com>
17590 * read-rtl.c (read_name): Terminate reading on EOF.
17592 2006-02-06 Ben Elliston <bje@au.ibm.com>
17594 * dfp.c (decimal_real_arithmetic): Change second argument type
17595 from int to enum tree_code. Do not always return true, but now
17596 return result of any call to decimal_do helper functions.
17597 * dfp.h (decimal_real_arithmetic): Update prototype.
17599 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
17601 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
17603 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
17606 * tree-cfg.c (cleanup_dead_labels): Also don't remove
17609 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17611 * tree-vrp.c (cfg_loops): Removed.
17612 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
17613 Use current_loops instead of cfg_loops. Pass flags to
17614 loop_optimizer_init.
17615 * cfgloopmanip.c (fix_loop_structure): Update only available
17617 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
17618 loop_optimizer_init.
17619 * modulo-sched.c (build_loops_structure): Removed.
17620 (sms_schedule): Use loop_optimizer_init.
17621 * loop-init.c (loop_optimizer_init): Use flags to determine
17622 which properties of loops to prepare.
17623 (rtl_loop_init): Pass flags to loop_optimizer_init.
17624 * tree-ssa-sink.c (execute_sink_code): Ditto.
17625 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
17626 * tree-ssa-pre.c (init_pre): Ditto.
17627 * cfgloop.h (LOOPS_NORMAL): New.
17628 (loop_optimizer_init): Declaration changed.
17630 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17632 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
17633 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
17635 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
17637 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
17639 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
17640 * pa/t-pa64: Delete quadlib.c rule.
17641 * pa/x-ada: Revert last change.
17642 * pa/t-pa: Revert last change. Delete quadlib.c rule.
17644 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
17646 PR rtl-optimization/26087
17647 * rtlanal.c (canonicalize_condition): Do not cross basic block
17650 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
17653 * config/ia64/ia64.c: Include debug.h.
17654 (MAX_ARTIFICIAL_LABEL_BYTES): New.
17655 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
17656 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
17657 (process_epilogue, process_set, process_for_unwind_directive):
17658 Output unwind info only if requested. Add CFA info if requested.
17659 Add new arguments as needed. Adjust callers.
17660 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
17662 (DWARF2_FRAME_INFO): Define to zero.
17663 * config/ia64/unwind-ia64.c: Remove code that compensated for
17664 the CFA offset error fixed above.
17665 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
17666 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
17667 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
17668 -funwind-tables and -fexceptions to enable frame info.
17669 (dwarf2out_frame_init): Define initial CFA even if
17670 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
17671 DWARF2_UNWIND_INFO is nonzero, not just defined.
17672 (dwarf2out_frame_finish): Output non-EH call frame info only
17673 if DWARF2_FRAME_INFO is nonzero.
17674 (convert_cfa_to_loc_list,
17675 compute_frame_pointer_to_cfa_displacement): Define even if
17676 unwind info is not supported.
17677 (gen_subprogram_die): Use the above unconditionally. Remove
17678 legacy alternate code.
17679 * toplev.c (compile_file): Compile in call to
17680 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
17681 (lang_dependent_init): Ditto for dwarf2out_frame_init.
17683 2006-02-04 David Edelsohn <edelsohn@gnu.org>
17684 Jakub Jelinek <jakub@redhat.com>
17686 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
17687 IBM extended float format long double as "g" on powerpc*-linux.
17689 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17692 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
17693 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
17695 2006-02-03 Jason Merrill <jason@redhat.com>
17698 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
17700 PR middle-end/25977
17701 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
17702 on the return slot if it's an NRV.
17704 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
17706 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
17707 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
17708 rewrite_use): Do not handle USE_OUTER.
17709 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
17710 add_iv_outer_candidates, may_replace_final_value,
17711 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
17712 (find_interesting_uses_op): Functionality of
17713 find_interesting_uses_outer_or_nonlin moved here.
17714 (find_interesting_uses_outside): Use find_interesting_uses_op.
17716 2006-02-03 Alan Modra <amodra@bigpond.net.au>
17719 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17721 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
17722 Ulrich Weigand <uweigand@de.ibm.com>
17725 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
17726 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
17727 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
17728 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
17730 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
17731 (s390_rtx_costs): Use the new fields to calculate rtx costs.
17732 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
17733 Define secondary reloads for TFmode moves.
17734 (constant_modes): Add TFmode.
17735 (NR_C_MODES): Set to 8.
17736 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
17738 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
17739 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
17740 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
17741 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
17742 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
17743 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
17744 (FPR mode macro): Add TFmode.
17745 (DSF mode macro): New.
17746 (<de>, <dee> mode attributes): Removed.
17747 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
17748 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
17749 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
17750 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
17751 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
17752 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
17753 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
17754 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
17755 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
17756 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
17757 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
17758 "*negabs<mode>2", "sqrt<mode>2"):
17759 Changed <de> to <xde>. R constraint replaced by <Rf>.
17760 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
17762 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
17763 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
17764 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
17766 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
17767 "extenddftf2", "extendsftf2"): New expanders.
17768 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17769 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
17770 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
17771 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
17773 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
17774 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
17775 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
17776 __floatditf): Add a GCC_4.1.0 symbol version tag.
17777 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
17780 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
17783 * config/i386/i386.c (ix86_function_ok_for_sibcall):
17784 Use targetm.binds_local_p instead of TREE_PUBLIC.
17786 2006-02-02 Roger Sayle <roger@eyesopen.com>
17788 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
17789 on INTEGER_TYPEs to indicate that it denotes a character type.
17790 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
17791 signed_char_type_node, unsigned_char_type_node and char_type_node.
17792 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
17793 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
17794 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
17796 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
17797 Daniel Berlin <dberlin@dberlin.org>
17799 * tree-tailcall.c (arg_needs_copy_p): New function.
17800 (eliminate_tail_call): Use arg_needs_copy_p.
17801 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
17802 (add_virtual_phis): New function.
17804 2006-02-02 Jakub Jelinek <jakub@redhat.com>
17806 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
17807 #ignore instead of #scratch for %g7 .register directive.
17809 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
17811 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
17814 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
17816 * flow.c (calculate_global_regs_live): Assert that there aren't any
17819 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
17821 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
17822 what its name says.
17823 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
17824 bsi_after_labels iterator.
17825 * tree-if-conv.c (find_phi_replacement_condition,
17826 replace_phi_with_cond_modify_expr): Likewise.
17827 * tree-scalar-evolution.c (scev_const_prop): Likewise.
17828 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
17830 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17832 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
17834 2006-02-02 Diego Novillo <dnovillo@redhat.com>
17837 * tree-cfg.c (move_block_to_fn): Clear out the basic block
17838 array after growing it.
17840 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17842 PR middle-end/24901
17843 * fold-const.c (fold_checksum_tree): Change type of buf.
17845 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
17847 * reload.c (push_secondary_reload): Initialize t_icode.
17849 2006-02-01 Jakub Jelinek <jakub@redhat.com>
17851 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
17852 -msoft-float -mlong-double-128 only issue a warning, but don't
17853 swich to DFmode long double.
17855 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
17857 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
17858 has a constant equivalent, iterate over equivalents for arg0,
17859 calling simplify_relational_operation and if there's a result
17860 cheaper than X, apply fold_rtx and return the result.
17862 2006-02-01 Jan Hubicka <jh@suse.cz>
17864 * opts.c (no_unit_at_a_time_default): New global variable.
17865 (decode_options): Use it.
17866 * opts.h (no_unit_at_a_time_default): Declare.
17868 2006-02-01 Paul Brook <paul@codesourcery.com>
17870 * function.c (assign_parm_setup_reg): Use function argument promotion
17872 * expr.c (expand_expr_real_1): Use function argument promotion rules
17875 2006-02-01 Steve Ellcey <sje@cup.hp.com>
17877 * gcc.c (process_command): Change j to 'unsigned int'.
17879 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17881 PR middle-end/26001
17882 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
17883 Use the corrected index for the character
17884 out of the string constant.
17886 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17888 * mode-switching.c (optimize_mode_switching): Fix size
17889 allocated for bb_info[n_entities].
17891 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
17893 * gcc.c (main): Correct type that is allocated for
17894 explicit_link_files.
17896 2006-01-31 Jakub Jelinek <jakub@redhat.com>
17898 * config/s390/s390.c (init_alignment_context): Set
17899 ALIAS_SET_MEMORY_BARRIER on the MEM.
17900 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
17902 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
17904 PR middle-end/25933
17905 * loop-unroll.c (unroll_loop_runtime_iterations): Free
17907 * tree-ssa-live.c (type_var_init): Allocate bitmap after
17910 2006-01-31 Marcin Dalecki <martin@dalecki.de>
17912 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
17913 * regrename.c: Ditto.
17914 * tree-ssa-loop-im.c: Ditto.
17915 * tree-dump.c: Ditto.
17916 * tree-complex.c: Ditto.
17917 * genrecog.c: Ditto.
17918 * tree-ssa-threadupdate.c: Ditto.
17920 * java/class.c: Ditto.
17921 * java/jcf-parse.c: Ditto.
17922 * java/resource.c: Ditto.
17923 * java/except.c: Ditto.
17924 * java/jvspec.c: Ditto.
17925 * java/jcf-write.c: Ditto.
17926 * java/jcf-path.c: Ditto.
17927 * java/gjavah.c: Ditto.
17928 * java/zextract.c: Ditto.
17929 * java/jcf-io.c: Ditto.
17930 * java/jcf.h: Ditto.
17931 * java/buffer.c: Ditto.
17932 * java/lang.c: Ditto.
17933 * java/parse-scan.y: Ditto.
17934 * java/lex.c: Ditto.
17935 * java/lex.h: Ditto.
17936 * cfgloopmanip.c: Ditto.
17937 * postreload-gcse.c: Ditto.
17938 * tree-ssa-loop-manip.c: Ditto.
17939 * postreload.c: Ditto.
17940 * tree-ssa-loop-ch.c: Ditto.
17943 * cppspec.c: Ditto.
17944 * diagnostic.c: Ditto.
17946 * genoutput.c: Ditto.
17948 * cfghooks.c: Ditto.
17949 * cfgloopanal.c: Ditto.
17950 * objc/objc-act.c: Ditto.
17952 * genextract.c: Ditto.
17953 * genautomata.c: Ditto.
17954 * pretty-print.c: Ditto.
17955 * genemit.c: Ditto.
17956 * cgraphunit.c: Ditto.
17958 * df-scan.c: Ditto.
17959 * haifa-sched.c: Ditto.
17960 * dominance.c: Ditto.
17962 * tree-ssa-loop-ivopts.c: Ditto.
17963 * df-core.c: Ditto.
17964 * mode-switching.c: Ditto.
17965 * modulo-sched.c: Ditto.
17967 * ipa-pure-const.c: Ditto.
17969 * fix-header.c: Ditto.
17971 * tree-stdarg.c: Ditto.
17972 * ipa-utils.c: Ditto.
17973 * loop-init.c: Ditto.
17974 * ipa-inline.c: Ditto.
17975 * cfganal.c: Ditto.
17977 * alloc-pool.c: Ditto.
17978 * dwarf2out.c: Ditto.
17980 * genattrtab.c: Ditto.
17981 * tree-ssa-loop-ivcanon.c: Ditto.
17982 * predict.c: Ditto.
17983 * timevar.c: Ditto.
17985 * fortran/gfortranspec.c: Ditto.
17986 * regmove.c: Ditto.
17987 * local-alloc.c: Ditto.
17988 * langhooks.c: Ditto.
17989 * function.c: Ditto.
17990 * tree-vectorizer.c: Ditto.
17992 * ipa-type-escape.c: Ditto.
17994 * tree-if-conv.c: Ditto.
17995 * profile.c: Ditto.
17997 * tree-data-ref.c: Ditto.
17998 * loop-unroll.c: Ditto.
17999 * treelang/treetree.c: Ditto.
18001 * bt-load.c: Ditto.
18002 * ggc-common.c: Ditto.
18004 * coverage.c: Ditto.
18006 * tree-cfgcleanup.c: Ditto.
18007 * tree-ssa-pre.c: Ditto.
18008 * cfgcleanup.c: Ditto.
18009 * loop-invariant.c: Ditto.
18010 * loop-iv.c: Ditto.
18011 * ipa-prop.c: Ditto.
18012 * print-tree.c: Ditto.
18013 * conflict.c: Ditto.
18014 * ggc-page.c: Ditto.
18015 * sched-deps.c: Ditto.
18016 * regclass.c: Ditto.
18017 * tree-object-size.c: Ditto.
18018 * combine.c: Ditto.
18019 * bb-reorder.c: Ditto.
18020 * resource.c: Ditto.
18021 * var-tracking.c: Ditto.
18022 * cfgloop.c: Ditto.
18023 * df-problems.c: Ditto.
18024 * reg-stack.c: Ditto.
18026 * gccspec.c: Ditto.
18027 * sched-rgn.c: Ditto.
18028 * tree-ssa-structalias.c: Ditto.
18029 * tree-ssa-reassoc.c: Ditto.
18030 * config/darwin-c.c: Ditto.
18031 * config/darwin.c: Ditto.
18032 * config/arm/arm.c: Ditto.
18034 * collect2.c: Ditto.
18035 * reload1.c: Ditto.
18037 2006-01-31 Nicolas Pitre <nico@cam.org>
18039 * arm.md (smaxsi3): Make aware of smax_m1.
18042 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18044 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18046 2006-01-31 Richard Guenther <rguenther@suse.de>
18048 * doc/invoke.texi (-msselibm): Document.
18049 * target.h (expand_library_builtin): New target hook.
18050 * builtins.c (expand_builtin): Use expand_library_builtin.
18051 (default_expand_library_builtin): New function.
18052 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18053 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18054 (link_gcc_math_spec): Declare.
18055 (static_specs): Add link_gcc_math_spec.
18056 * expr.h (default_expand_library_builtin): Declare.
18057 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18058 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18059 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18060 * config/i386/i386.opt (msselibm): New target option.
18061 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18062 (ix86_init_sse_abi_builtins): New function.
18063 (ix86_expand_library_builtin): Likewise.
18064 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18065 (override_options): Handle error conditions wrt -msselibm.
18066 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18067 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18068 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18071 2006-01-31 Richard Guenther <rguenther@suse.de>
18072 Paolo Bonzini <bonzini@gnu.org>
18074 * doc/install.texi (--disable-libgcc-math): Document.
18076 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18078 * expr.h (expand_normal): new inline function.
18079 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18080 * dojump.c: use it.
18081 * dwarf2out.c: use it.
18084 * expmed.c: use it.
18085 * except.c: use it.
18086 * config/sparc/sparc.c: use it.
18087 * config/i386/i386.c: use it.
18088 * config/rs6000/rs6000.c: use it.
18089 * config/arm/arm.c: use it.
18090 * config/mips/mips.c: use it.
18091 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18093 2006-01-30 Roger Sayle <roger@eyesopen.com>
18095 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18096 argv to the appropriate type.
18098 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18100 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18103 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18106 * config/s390/s390.c (struct machine_function): New flag
18107 decomposed_literal_pool_addresses_ok_p.
18108 (s390_reorg): Set it before final stage of literal pool transforms.
18109 (s390_decompose_address): Only accept displacements of the form
18110 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18112 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18114 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18115 the comparison routine return.
18117 2006-01-30 Michael Matz <matz@suse.de>
18119 * global.c (find_reg): Only evict for global regs.
18120 Take n_refs into account and dump more info.
18122 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18125 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18126 (pragma_trap, pragma_nosave_low_regs): Likewise.
18127 (current_function_anonymous_args): Likewise.
18128 (sh_deferred_function_attributes): New variable.
18129 (sh_deferred_function_attributes_tail): Likewise.
18130 (print_operand): For '@', look up trap_exit attribute.
18131 (calc_live_regs): Look up trapa_handler attribute. For trapa
18132 handlers, save/restore fpscr, but don't do any other
18133 interrupt-specific saves.
18134 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18135 Fix check for partially saved registers to check for SHmedia.
18136 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18137 (sh_output_function_epilogue): Don't clear any of the removed
18139 (sh_insert_attributes): Don't check pragma_interrupt.
18140 Insert deferred attributes. Check that interrupt attribute is
18141 present for other attributes that require its presence.
18142 (sh_attribute_table): Add new attributes trapa_handler and
18144 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18145 Don't check for pragma_interrupt. Don't store argument.
18146 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18147 (sh_deferred_function_attributes): Declare.
18148 (sh_deferred_function_attributes_tail): Likewise.
18149 * sh.md (sp_switch_1): Add operand. Change generator caller.
18150 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18151 (*return_i): Don't use when trap_exit attribute is in effect.
18152 (*return_trapa): New insn pattern.
18153 * sh-c.c: New file.
18154 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18155 setting c_target_objs and cxx_target_objs.
18156 * t-sh: Add rule for sh-c.o.
18158 2006-01-30 Richard Guenther <rguenther@suse.de>
18161 * gimplify.c (gimplify_target_expr): Handle easy cases
18162 without creating a temporary.
18164 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18166 * vec.h (safe_grow): Remove duplicated line.
18168 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18171 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18172 (expand_omp): ... here.
18173 (expand_omp_parallel): Only remove barriers for combined
18174 parallel+workshare constructs.
18176 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18180 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18181 * tree.c (build_qualified_type): Chain the new type to the original
18182 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18183 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18184 (build_pointer_type_for_mode): Only return unqualified types.
18185 (build_reference_type_for_mode): Likewise.
18187 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18189 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18190 * Makefile.in (CXX_COMPAT_WARN): Define.
18191 * configure: Regenerate.
18193 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18196 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18199 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18201 * toplev.c: Fix thinko.
18203 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18204 Marcin Dalecki <martin@dalecki.de>
18206 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18207 (push_srcloc): Use XNEW.
18208 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18210 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18212 * df-core.c (df_set_blocks): Deleted all variable.
18214 2006-01-28 Ian Lance Taylor <ian@airs.com>
18216 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18217 cgraph_output_pending_asms.
18219 2006-01-28 Zack Weinberg <zackw@panix.com>
18221 * c.opt: Add -W(no-)overlength-strings.
18222 * doc/invoke.texi: Document it.
18223 * c-opts.c (c_common_handle_option): -pedantic implies
18224 -Woverlength-strings, if not explicitly disabled already.
18225 (c_common_post_options): -Woverlength-strings defaults to off, and
18226 is always off for C++.
18227 * c-common.c (fix_string_type): Issue warning about strings longer
18228 than is portable only if warn_overlength_strings. Rearrange code
18229 a little for clarity.
18230 * configure.in: Check for -Wno-overlength-strings as well before
18231 enabling -pedantic in stage 1.
18232 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18233 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18235 * genconditions.c (write_header, write_one_condition)
18236 (write_conditions, write_writer): Consolidate very long strings
18237 that were broken up to fit in C89 portable limit. Don't use
18238 printf when fputs will do.
18240 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18242 * combine.c (simplify_comparison <AND>): Check
18243 TRULY_NOOP_TRUNCATION before start using a subreg.
18245 * config/mips/mips.md (*branch_zero<mode>,
18246 *branch_zero<mode>_inverted, *branch_equality<mode>,
18247 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18248 Remove mode check from comparisons.
18250 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18252 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18254 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18256 * expmed.c (const_mult_add_overflow_p): Remove.
18257 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18259 * recog.c (validate_replace_rtx_subexp): Remove.
18260 * recog.h: Remove the prototype for
18261 validate_replace_rtx_subexp.
18263 * integrate.h: Remove the prototype for
18264 copy_decl_for_inlining.
18265 * rtl.h: Remove the prototype for mark_constant_function.
18266 * tree-vectorizer.h: Remove the prototype for
18267 vect_strip_conversion.
18269 * modulo-sched.c (create_partial_schedule,
18270 free_partial_schedule, reset_partial_schedule): Make them
18273 * hooks.c (hook_bool_rtx_int_false): Remove.
18274 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18276 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18278 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18279 and -mlong-double-128 are incompatible.
18280 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18281 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18282 (TARGET_LIBGCC2_CFLAGS): Define.
18283 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18284 (TARGET_LIBGCC2_CFLAGS): Same.
18285 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18287 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18290 * c-typeck.c (build_binary_op): Perform implicit casts of
18291 operands before shortening them.
18293 * cfgloopmanip.c (split_loop_bb): Remove.
18294 * cfgloop.h: Remove the prototype for split_loop_bb.
18296 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18297 * cfgloop.h: Remove the prototype for
18298 flow_loop_outside_edge_p.
18300 * emit-rtl.c (init_virtual_regs): Make it static.
18301 * function.h: Remove the prototype for init_virtual_regs.
18303 * recog.c (peephole2_optimize): Make it static.
18304 * recog.h: Remove the prototype for peephole2_optimize.
18306 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18308 * df-scan.c (df_record_entry_block_defs): Check if
18309 INCOMING_RETURN_ADDR_RTX is defined.
18311 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18312 Kenneth Zadeck <zadeck@naturalbridge.com>
18314 PR rtl-optimization/24762
18315 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18316 * targhooks.c (hook_void_bitmap): New hook prototype.
18317 * targhoohs.h (hook_void_bitmap): Ditto.
18318 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18319 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18320 * target.h (live_on_entry): New function pointer.
18321 * df-scan.c (df_all_hard_regs): Removed.
18322 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18323 (df_scan_free_internal): Added df->entry_block_defs.
18324 (df_scan_alloc): Ditto.
18325 (df_scan_dump): Ditto.
18326 (df_uses_record): Plumbed flag field properly thru calls.
18327 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18328 This part fixes PR24762.
18329 (df_bb_refs_record): Added code to make the frame and arg
18330 pointers live in EH blocks.
18331 (df_refs_record): Added call to df_record_entry_block_defs.
18332 (df_record_entry_block_defs): New function.
18333 * df-core.c: Added comments to describe new artifical defs.
18334 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18335 (entry_block_defs): New field in struct df.
18336 (df_all_hard_regs): Deleted.
18337 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18338 * df-problems.c (df_ru_bb_local_compute_process_def):
18339 Added code to handle artifical defs in the entry to a function.
18340 (df_ru_bb_local_compute): Ditto.
18341 (df_rd_bb_local_compute_process_def): Ditto.
18342 (df_rd_bb_local_compute): Ditto.
18343 (df_lr_bb_local_compute): Ditto.
18344 (df_ur_bb_local_compute): Ditto.
18345 (df_urec_bb_local_compute): Ditto.
18346 (df_chain_create_bb): Ditto.
18347 (df_ur_local_finalize): Removed entry.
18348 (df_urec_init): Ditto.
18349 (df_urec_local_finalize): Ditto.
18350 (df_ri_bb_compute): Added detection of last use of pseudos.
18351 * Makefile.in (df-scan.o): Updated dependencies.
18352 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18353 * config/mips/mips.c (mips_set_live_on_entry): Added.
18354 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18356 * dce.c (marked_insn_p): Added code to handle artifical defs.
18358 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18360 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18362 (_mm_cvtsi128_si64): Likewise.
18363 (_mm_cvtsd_si64): Likewise.
18364 (_mm_cvttsd_si64): Likewise.
18365 (_mm_cvtsi64_sd): Likewise.
18366 (_mm_cvtsi64_si128): Likewise.
18367 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18368 (_mm_cvtsi64_m64): Likewise.
18369 (_m_to_int64): Likewise.
18370 (_mm_cvtm64_si64): Likewise.
18371 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18372 (_mm_cvttss_si64): Likewise.
18373 (_mm_cvtsi64_ss): Likewise.
18374 (_mm_cvtss_f32): Likewise.
18376 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18378 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18379 for pragma redefine_extname.
18381 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18384 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18385 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18386 -mno-minimal-toc to previous content.
18387 (bispecs): Remove goal.
18388 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18389 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18390 compatibility aliases on powerpc-*-*gnu*.
18391 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18392 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18393 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18394 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18395 (ldblspecs): New goal.
18396 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18397 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18399 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18400 L_sf_to_tf or L_df_to_tf is defined.
18402 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18403 Alan Modra <amodra@bigpond.net.au>
18406 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18407 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18408 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18409 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18410 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18411 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18412 (rs6000_override_options): Initialize rs6000_ieeequad.
18413 Initialize TFmode format to ibm_extended_format if not
18415 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18417 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18418 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18419 (function_arg_advance): IBM long double passed in two FPRs, not
18421 (function_arg): IBM long double passed in FPRs.
18422 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18423 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18424 Only multireg GPR aligned.
18425 (rs6000_init_libfuncs): Enable IBM long double functions if not
18427 (rs6000_generate_compare): Use IBM long double compare if not
18429 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18430 (TARGET_IEEEQUAD): Define.
18431 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18432 not TARGET_IEEEQUAD.
18433 * config/rs6000/rs6000.md: Enable TFmode patterns if
18435 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18436 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18437 and -mlong-double-128 are incompatible.
18438 * doc/invoke.texi (-mabi): Collect options together. Add
18439 ibmlongdouble and ieeelongdouble.
18441 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18443 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18445 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18446 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18447 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18448 * rtl.h (rtunion_def): Remove rt_ptr.
18450 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18451 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18452 * config/i386/winnt.c (i386_pe_mark_dllexport)
18453 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18455 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18457 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18459 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18463 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18464 pthread_key_delete. From John David Anglin. gthrw-ify
18465 pthread_getunique_np only if it it's not a macro. Delete
18467 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18468 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18469 __gthread_objc_condition_signal, __gthread_key_delete): Add
18470 "__attribute__ ((__unused__))" to unused arguments.
18471 (__gthread_recursive_mutex_init_function): Add missing return.
18472 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18473 gthr-posix95.h: Use macro-based approach for name redirection
18474 on targets missing weakref.
18476 2006-01-26 Zack Weinberg <zackw@panix.com>
18478 * genconditions.c (write_header): In generated code, #ifdef out
18479 all includes and fake declarations, except includes of bconfig.h
18480 and system.h, unless GCC_VERSION >= 3001. Do not include
18481 gensupport.h in any case.
18482 (write_conditions): Generate a definition of struct c_test. Add
18483 a comment to the generated #endif.
18484 (write_one_condition): Escape backslashes in string too.
18485 (write_writer): Generated code must escape backslashes and quote
18486 marks (but not newlines) in the strings it writes.
18487 * Makefile.in (build/gencondmd.o): Update dependencies.
18489 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18492 * Makefile.in (insn-automata.o): Add header file dependencies.
18493 * genautomata.c: Add includes.
18495 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18498 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18500 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18502 * configure.ac: Expect target tools paths to be passed from the toplevel
18503 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18505 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18507 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18510 * c.opt (Wpointer-sign): Init to -1.
18511 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18512 OPT_pedantic, to 0 otherwise.
18513 * doc/invoke.texi: Update.
18515 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18517 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18518 constants provided by 80387 instructions in the destination mode.
18520 2006-01-26 Richard Guenther <rguenther@suse.de>
18521 Andrew Pinski <pinskia@physics.uc.edu>
18524 partial PR tree-opt/17064
18525 * tree-ssa-structalias.c (intra_create_variable_infos):
18526 Create heap variables for incoming parameters if
18527 flag_argument_noalias > 1.
18528 (find_what_p_points_to): Look through default defs of
18531 2006-01-26 Jeff Law <law@redhat.com>
18534 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18535 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18536 within the VR_RANGE, use the VR_RANGE as the result, not the
18538 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18539 bounds for the type.
18541 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18543 * tree-ssa-alias.c (maybe_create_global_var): Change
18544 subvar walking to an assertion that we don't have subvar'd variables.
18546 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18549 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18550 Use a new variable, inner. PARM_DECLs are always non-weak.
18552 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
18554 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
18555 --disable-checking.
18557 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
18559 * config/mips/mips.md (*clear_upper32): New combiner pattern.
18561 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18563 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
18564 (smax_insn, smin_insn, smax_0, smin_0): New.
18566 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
18569 * config/cris/cris.c (cris_order_for_addsi3): New function.
18570 * config/cris/cris-protos.h: Prototype it.
18571 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
18572 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
18573 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
18574 (split for "op.S1 [rx=rx+i],ry (swapped)")
18575 (split for "op(s|u).S1 [rx=rx+i],ry")
18576 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
18577 Apply cris_order_for_addsi3 when generating addsi3 insns.
18579 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18581 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
18582 (TREE_BLOCK): Add call to EXPR_CHECK.
18584 2006-01-25 Diego Novillo <dnovillo@redhat.com>
18587 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
18588 * tree-pretty-print.c (dump_omp_clause): Extract from ...
18589 (dump_omp_clauses): ... here.
18590 (dump_generic_node): Handle OMP_CLAUSE.
18591 * tree.c (omp_clause_num_ops): New.
18592 (omp_clause_code_name): New.
18593 (tree_code_size): Handle OMP_CLAUSE.
18594 (tree_size): Likewise.
18595 (make_node): Document handling of OMP_CLAUSE.
18596 (tree_node_structure): Handle OMP_CLAUSE.
18597 (omp_clause_check_failed): New.
18598 (omp_clause_range_check_failed): New.
18599 (omp_clause_operand_check_failed): New.
18600 (build_omp_clause): New.
18601 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
18602 * tree.h (enum omp_clause_code): Declare.
18603 (OMP_CLAUSE_SUBCODE_CHECK): Define.
18604 (OMP_CLAUSE_RANGE_CHECK): Define.
18605 (OMP_CLAUSE_ELT_CHECK): Define.
18606 (omp_clause_check_failed): Declare.
18607 (omp_clause_operand_check_failed): Declare.
18608 (omp_clause_range_check_failed): Declare.
18609 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
18610 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
18611 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
18612 (OMP_CLAUSE_LASTPRIVATE): Likewise.
18613 (OMP_CLAUSE_IF_EXPR): Likewise.
18614 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
18615 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
18616 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
18617 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
18618 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
18619 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
18620 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
18621 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
18622 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
18623 (OMP_CLAUSE_CODE): Define.
18624 (OMP_CLAUSE_SET_CODE): Define.
18625 (OMP_CLAUSE_CODE): Define.
18626 (OMP_CLAUSE_OPERAND): Define.
18627 (struct tree_omp_clause): Declare.
18628 (union tree_node): Add field 'omp_clause'.
18629 * treestruct.def (TS_OMP_CLAUSE): Define.
18630 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
18631 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
18632 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
18633 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
18634 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
18635 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
18636 (OMP_CLAUSE): Define.
18637 * print-tree.c (print_node): Handle OMP_CLAUSE.
18638 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
18639 * c-typeck.c: Likewise.
18640 * gimplify.c: Likewise.
18641 * c-omp.c: Likewise.
18642 * tree-nested.c: Likewise.
18643 * tree-inline.c: Likewise.
18644 * c-parser.c: Likewise.
18645 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
18648 2006-01-25 Roger Sayle <roger@eyesopen.com>
18650 PR rtl-optimization/25703
18651 * combine.c (try_combine): Handle zero_extract and strict_low_part
18652 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
18654 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
18656 * global.c: Fix comment typos.
18658 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
18661 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
18662 Use output_addr_const instead of assemble_name.
18664 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
18666 * Makefile.in (sched-vis.o): Update dependencies.
18667 * haifa-sched.c (sched_finish): Clear current_sched_info.
18668 * cfg.c (dump_bb_info): New, split from dump_flow_info.
18669 (dump_flow_info): Call it.
18670 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
18672 * basic-block.h (dump_bb_info): Declare.
18673 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
18674 option, and apply options only for dump files whose TDF_RTL,
18675 TDF_TREE, or TDF_IPA bits match.
18676 * rtl.h: Declare new functions exported from sched-vis.c.
18677 * sched-vis.c: Enable also if scheduling is not used.
18678 (print_value): Print the mode of registers if not inside scheduling.
18679 (print_insn): Make it work outside the scheduler. Beautify the output
18681 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
18683 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18685 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
18686 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
18687 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
18688 depending on the value of CONSTANT_POOL_ADDRESS_P.
18689 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
18691 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
18692 rather than SYMBOL_REF_DECL.
18693 (rtx_constant_pool): Remove const_rtx_sym_htab.
18694 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
18695 (init_varasm_status): Don't initialize const_rtx_sym_htab.
18696 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
18697 Remove handling of const_rtx_sym_htab.
18698 (find_pool_constant): Delete.
18699 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
18700 rather than find_pool_constant.
18701 (get_pool_constant_for_function): Delete.
18702 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
18703 find_pool_constant.
18704 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
18705 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
18706 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
18707 (SYMBOL_REF_CONSTANT): New macro.
18708 (get_pool_constant_for_function): Delete.
18709 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
18710 rather than SYMBOL_REF_DECL.
18711 (i386_pe_mark_dllimport): Likewise.
18712 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
18713 rather than SYMBOL_REF_DECL.
18714 * config/darwin.c (machopic_indirect_data_reference): Likewise.
18715 (machopic_indirect_call_target): Likewise.
18717 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
18719 * flow.c (delete_noop_moves): Add missing EOL to dump message.
18721 2006-01-25 Richard Sandiford <richard@codesourcery.com>
18723 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
18725 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
18727 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
18729 2006-01-24 David Daney <ddaney@avtrex.com>
18732 * configure.ac (enable_tls): New enable option.
18733 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
18734 * configure: Regenerate.
18735 * doc/install.texi (--enable-tls): Document new option.
18736 (--disable-tls): Ditto.
18738 2006-01-24 Richard Henderson <rth@redehat.com>
18740 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
18741 * alias.c (true_dependence): Respect it.
18742 (canon_true_dependence, write_dependence_p): Likewise.
18743 * builtins.c (get_builtin_sync_mem): Set it.
18745 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
18747 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
18750 2006-01-24 DJ Delorie <dj@redhat.com>
18752 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
18753 for storing constants in single-bit bitfields.
18755 2006-01-25 Ben Elliston <bje@au.ibm.com>
18757 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
18759 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
18762 * tree-ssa-pre.c (phi_translate): Return NULL
18763 for AGGREGATE_TYPE's.
18765 2006-01-24 Zack Weinberg <zackw@panix.com>
18767 * genautomata.c (process_state_for_insn_equiv_partition):
18768 Use xcalloc for insn_arcs_array.
18769 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
18770 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
18772 2006-01-24 Richard Henderson <rth@redhat.com>
18774 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
18775 update all callers.
18777 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
18779 PR rtl-optimization/25890
18780 PR rtl-optimization/25905
18781 * combine.c (expand_compound_operation, expand_field_assignment):
18782 Fail if the bitfield's final position is out of bounds.
18784 2006-01-24 Ian Lance Taylor <ian@airs.com>
18786 PR middle-end/25930
18787 * cgraphunit.c (cgraph_output_in_order): Don't clear
18788 cgraph_asm_nodes until after asm strings have been output.
18790 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
18792 * fix-header.c (read_scan_file): Add new parameter imultilib when
18793 calling register_include_chains.
18795 2006-01-23 Diego Novillo <dnovillo@redhat.com>
18797 * omp-low.c: Update documentation.
18799 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18800 Daniel Berlin <dberlin@dberlin.org>
18804 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
18805 return from the function.
18807 2006-01-22 Zack Weinberg <zackw@panix.com>
18809 * rtl.def (match_code): Add second argument.
18810 * genpreds.c (write_extract_subexp): New function.
18811 (write_match_code): Add path argument. Use write_extract_subexp.
18812 (write_predicate_expr): Pass path to write_match_code.
18813 (mark_mode_tests): MATCH_CODE applied to a subexpression does
18814 not perform a mode test.
18815 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
18816 a subexpression does not constrain the top-level code set.
18817 * read-rtl.c (read_rtx_variadic): New function.
18818 (read_rtx_1): Use it; allow AND and IOR to be variadic.
18819 * doc/md.texi: Document new notation.
18820 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
18821 (cmpsi_operand): ... here, using new notation.
18823 2006-01-22 Zack Weinberg <zackw@panix.com>
18825 * varray.c: Remove GENERATOR_FILE #ifdefs.
18827 2006-01-22 Zack Weinberg <zackw@panix.com>
18829 * genautomata.c (output_reserved_units_table): Emit nothing if
18830 description->query_units_num is zero. Remove extra blank line.
18831 (output_cpu_unit_reservation_p): Short circuit
18832 if description->query_units_num is zero.
18834 2006-01-22 Zack Weinberg <zackw@panix.com>
18836 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
18837 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
18838 nor any of the random handful of variables that used to be necessary
18839 when this program was linked with rtlanal.o. Prune set of forward
18840 function declarations.
18841 (struct attr_desc): Remove static_p field.
18842 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
18843 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
18844 (attr_string): Do not read the character one past the length of
18846 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
18847 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
18848 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
18849 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
18850 (make_automaton_attrs): New.
18851 (main): Do not call into genautomata. Call local gen_bypass
18852 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
18853 Remove special case for insn_alts.
18854 * genautomata.c: Include gensupport.h; not genattrtab.h nor
18855 varray.h (leftover from previous change). Prune set of forward
18856 function declarations. Remove state_alts fields from all
18857 structures. Remove state_alts_table from struct automaton.
18858 Make everything except main static. Do not maintain num_dfa_decls.
18859 Do not maintain state_alts fields of various structures.
18860 (process_decls): Don't validate condexp for dm_insn_reserv decls.
18861 (add_arc): Remove state_alts argument. All callers updated.
18862 (output_reserved_units_table): Emit #ifdef here...
18863 (output_tables): ...not here. Don't generate state_alts tables.
18864 (expand_automata): Don't generate attributes.
18865 (write_automata): Don't generate state_alts functions.
18866 (main): New function.
18867 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
18868 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
18869 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
18870 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
18871 (BYPASS_P_FUNC_NAME, output_state_alts_table)
18872 (output_automata_list_state_alts_code, output_internal_state_alts_func)
18873 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
18874 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
18876 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
18877 * genattrtab.h: Delete file.
18878 * Makefile.in (OBJS-common): Add insn-automata.o.
18879 (insn-automata.o): New rule.
18880 (simple_generated_c): Add insn-automata.c.
18881 (build/genattrtab.o, build/genautomata.o): Update dependencies.
18882 (genprogmd): Add automata.
18883 (build/genattrtab): Needs no extra objects nor libraries.
18884 (build/genautomata): Needs build/vec.o and -lm.
18886 2006-01-22 Zack Weinberg <zackw@panix.com>
18888 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
18889 (output_dfa_max_issue_rate, locked_states_num): Delete.
18890 (struct automaton): Add locked_states field.
18891 (output_dead_lock_vect): Save number of locked states in
18892 automaton->locked_states. If it is zero, don't print anything.
18893 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
18894 (output_internal_dead_lock_func): Only test the dead_lock_vect
18895 for automata that have locked states.
18896 (output_statistics): Always print the number of locked states for
18897 each automaton. Calculate total number of locked states here.
18898 (write_automata): Don't call output_dfa_max_issue_rate.
18899 * genattrtab.c: Define length_unit_log as a const variable.
18900 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
18901 max_insn_queue_index const.
18902 * final.c (length_unit_log): Declare const.
18903 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
18905 2006-01-22 Zack Weinberg <zackw@panix.com>
18907 * genautomata.c: Include vec.h, not varray.h.
18908 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
18909 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
18910 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
18911 VEC_* macros operating on appropriately typed vectors, or to
18912 malloced arrays when the size is known in advance. Const-ify
18913 many char* variables and function arguments. No functional changes.
18914 * Makefile.in (build/varray.o): Delete rule.
18915 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
18916 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
18918 2006-01-22 Zack Weinberg <zackw@panix.com>
18920 * gensupport.c: Define get_insn_name and record_insn_name here.
18921 (read_md_rtx): Call record_insn_name as appropriate.
18922 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
18923 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
18924 * genpreds.c, genrecog.c: Don't define get_insn_name nor
18926 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
18927 (BUILD_VARRAY): Delete.
18928 (genprognormal): Rename genprogmd. Fold in all programs from
18929 genprognoprint; also attrtab.
18930 (build/genattrtab): Just mention genautomata.o and varray.o.
18931 Reorganize a bit, add comments to make the categories clearer.
18933 2006-01-22 Zack Weinberg <zackw@panix.com>
18935 * genconditions.c (condition_table, add_condition): Delete.
18936 (write_conditions): Don't emit n_insn_conditions nor
18937 insn_elision_unavailable. Issue the gcc version #ifdef here,
18938 inside the table, with no #else clause ...
18939 (write_header): ...not here.
18940 (write_writer): New function.
18941 (main): Don't initialize condition_table. Use add_c_test.
18943 * gensupport.c (init_md_reader_args_cb): Handle multiple input
18944 files on the command line.
18945 (maybe_eval_c_test): Don't check insn_elision_unavailable.
18946 Return -1 if there is no entry in the table, don't abort.
18947 (add_c_test, traverse_c_tests): New functions.
18948 * gensupport.h (insn_elision_unavailable, insn_conditions)
18949 (n_insn_conditions): Delete declarations.
18950 (add_c_test, traverse_c_tests): Declare.
18951 * read-rtl.c: Include gensupport.h.
18952 (read_conditions): New function.
18953 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
18954 (read_rtx_1): If we get EOF when we were looking for an initial
18955 open paren, return 0. Call read_conditions when appropriate.
18956 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
18957 dummy-conditions.o. Eliminate references to insn-conditions.o,
18958 or change them to build/gencondmd.o, as appropriate. Remove
18959 insn-constants.h from $(simple_generated_h) and insn-conditions.c
18960 from $(simple_generated_c). For all files remaining in those
18961 two lists, add insn-conditions.md to the generator command line.
18962 Give insn-constants.h/s-constants their own rules. Add rules
18963 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
18964 (build/read-rtl.o): Depend on gensupport.h.
18965 (genprognormal): Include preds.
18966 (genprogearly): Rename genprognoprint; only difference is now that
18967 they don't link with $(BUILD_PRINT).
18968 * dummy-conditions.c: Delete.
18970 2006-01-22 Zack Weinberg <zackw@panix.com>
18972 * genextract.c: Don't include insn-config.h. Do include vec.h.
18973 Declare vectors of int, char, and locstr.
18974 (locstr): New typedef.
18975 (struct extraction): Make all array fields into bare pointers.
18976 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18977 (insn_code_number): Delete.
18978 (accum_extract): New struct.
18979 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18980 (gen_insn): Take insn_code_number as an argument. Use an
18981 accum_extract structure instead of loading data directly into
18982 a struct extraction, and having to know how big it might get.
18983 (walk_rtx): Operate entirely on an accum_extract structure.
18984 (print_path): Avoid unnecessary use of printf.
18985 (print_header): New function, split out of main. Distinguish
18986 more carefully between an unrecognizable insn and an insn that
18987 has the code number of a define_expand.
18988 (main): Pass insn_code_number to gen_insn. Call print_header
18989 only after parsing. Avoid unnecessary use of printf.
18990 * Makefile.in (build/vec.o): New rule.
18991 (build/genextract): Depend on build/vec.o.
18992 (build/genextract.o): Don't depend on insn-config.h.
18994 2006-01-22 Zack Weinberg <zackw@panix.com>
18996 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18997 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18998 practical. Eliminate per-generator-program link rules.
19000 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19002 PR middle-end/24437
19003 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19004 with a call expr to ...
19005 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19007 2006-01-23 Richard Guenther <rguenther@suse.de>
19009 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19010 before make_edge with conditional EDGE_TRUE_VALUE.
19012 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19013 Jan Hubicka <jh@suse.cz>
19014 Richard Guenther <rguenther@suse.de>
19016 PR rtl-optimization/25654
19017 * cfgexpand.c (aggregate_contains_union_type): New function.
19018 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19019 for structure variables that contain a union type.
19021 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19023 * gengtype.c (new_structure): Return the structure.
19024 (create_option): Add an extra "next" argument.
19025 (create_field): New function.
19026 (adjust_field_rtx_def): Use create_option and create_field.
19027 Remove a now-unnecessary call to find_structure.
19028 (adjust_field_tree_def): Likewise.
19029 (note_yacc_type): Remove an unnecessary call to find_structure.
19030 * gengtype.h (new_structure): Return the structure.
19031 (create_option): Add an extra argument.
19032 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19033 (option): Adjust calls to create_option.
19035 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19037 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19039 2006-01-22 Paul Brook <paul@codesourcery.com>
19040 Peter Barada <peter@the-baradas.com>
19042 * config/m68k/m68k.md: Add Coldfire FPU support.
19043 Define FP mode macro and associated attributes.
19044 Use it for float mode patterns.
19045 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19046 (LIBCALL_VALUE): Use m68k_libcall_value.
19047 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19048 (m68k_function_value): Ditto.
19049 (emit_move_sequence): Ditto.
19050 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19051 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19052 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19053 (MULTILIB_EXCEPTIONS): Ditto.
19054 * config/m68k/m68k.opt: Add mcfv4e.
19055 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19056 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19057 (m68k_output_function_prologue): Save ColdFire FPU registers.
19058 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19059 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19060 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19061 ColdFire FPU registers.
19062 (m68k_libcall_value, m68k_function_value): New functions.
19063 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19064 (LIBCALL_VALUE): Use m68k_libcall_value.
19065 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19066 (MASK_COLDFIRE): Add MASK_CFV4E.
19067 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19068 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19069 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19070 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19071 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19072 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19073 * doc/invoke.tex: Document -mcfv4e on m68k.
19075 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19077 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19080 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19083 * c-opts.c (c_common_handle_option): Don't include
19084 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19085 * doc/invoke.texi (C++ Dialect Options): Document that
19086 -Wnon-virtual-dtor is no longer included in -Wall.
19088 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19090 * gcov.c (print_version), gcov-dump.c (print_version),
19091 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19094 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19096 * df-scan.c (problem_SCAN): Added NULL reset function.
19097 (df_scan_reset_blocks): Added code to call reset block function
19098 (df_bb_refs_delete) Fixed comment.
19099 (df_insn_refs_delete): Made tolerant of deleting non existent info
19100 for dataflow problems that need to be reset.
19101 * df-core.c (df_set_blocks): Ditto.
19102 * df.h (struct df_problem): Added reset_fun.
19103 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19104 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19105 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19106 functions to clear out all references to def-use or use-def chains.
19108 2006-01-21 Ben Elliston <bje@au.ibm.com>
19110 * varasm.c (assemble_real): Initialise data array.
19112 2006-01-20 Paul Brook <paul@codesourcery.com>
19114 Merge from csl-arm-branch.
19115 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19116 * config/arm/arm.md (movdi): Force operands[1] to a register
19117 if we have a non-register source.
19118 (*arm_movdi, *movdf_soft_insn): Require that one of the
19119 operands be a register.
19120 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19121 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19123 2006-01-20 DJ Delorie <dj@redhat.com>
19125 * varasm.c (initializer_constant_valid_p): Allow pointers
19126 initialized from integer constants of lesser precision.
19127 (output_constant): Allow non-int-sized pointer modes to be
19128 initialized from integer constants.
19130 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19133 * cppdefault.h (struct default_include): Add multilib flag.
19134 * cppdefault.c (cpp_include_defaults): Set it.
19135 * c.opt (-imultilib): New option.
19136 * c-opts.c (imultilib): New.
19137 (c_common_handle_option): Handle -imultilib.
19138 (c_common_post_options): Likewise.
19139 * c-incpath.c (add_standard_paths, register_include_chains):
19141 * c-incpath.h (register_include_chains): Add extra parameter.
19142 * gcc.c (do_spec_1): Generate -imultilib option.
19143 (The Specs Language): Update %I description.
19144 (process_command): Update copyright notice.
19145 * doc/cppopts.texi (-imultilib): Document.
19146 * doc/invoke.texi (-imultilib): Include in option summary.
19147 (%I): Update specs documentation.
19149 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19151 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19153 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19155 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19158 2006-01-20 Richard Guenther <rguenther@suse.de>
19159 Steven Bosscher <stevenb.gcc@gmail.com>
19161 PR rtl-optimization/24626
19162 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19163 EDGE_TRUE_VALUE if in RTL mode.
19166 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19167 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19169 2006-01-20 Dirk Mueller <dmueller@suse.com>
19172 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19173 instead of a special NOP marker.
19174 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19175 NOP marker handling.
19176 * c-common.h (empty_body_warning): Add forward declaration.
19177 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19178 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19180 2006-01-20 Paul Brook <paul@codesourcery.com>
19182 * Makefile.in (lang_checks): Keep going if mkdir fails.
19184 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19186 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19187 be able to clean out basic block when not necessary.
19188 (df_scan_free): Fixed to properly delete information if df is
19189 unused before calling df_finish.
19190 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19191 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19193 (df_bb_refs_delete): New function.
19194 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19195 * df-core.c (df_set_blocks): Added code to properly clean out
19196 unused blocks if they are not part of the blocks to consider.
19197 Added additional null check.
19198 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19199 be able to clean out basic block when not necessary
19200 * df.h (df_free_bb_function): Ditto.
19201 (df_bb_refs_delete): New function.
19202 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19203 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19204 basic block parameter to be able to clean out basic block when not
19206 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19207 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19208 Fixed to properly delete information if df is unused before
19211 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19213 PR rtl-optimization/25799
19214 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19215 Corrected confluence operator to remove bits from op2 before oring
19216 with op1 rather than removing bits from op1.
19217 (df_ru_transfer_function): Corrected test on wrong bitmap which
19218 caused infinite loop. Both of these problems were introduced in
19219 the dataflow rewrite.
19221 2006-01-19 DJ Delorie <dj@redhat.com>
19223 * reload1.c (find_reload_regs): Note the details of reload
19224 failures in the dump file.
19225 (spill_failure): Likewise.
19227 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19229 * loop-iv.c: Include df.h and hashtab.h.
19230 (enum iv_grd_result): New enum.
19231 (DF_REF_IV, DF_REF_IV_SET): New macros.
19232 (struct biv_entry): New.
19233 (df, bivs): New global variables.
19234 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19235 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19237 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19238 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19239 analyzed_for_bivness_p, record_biv): New functions.
19240 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19241 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19242 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19244 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19246 (iv_number_of_iterations): Use new interface to iv analysis.
19247 * loop-unroll.c: Do not include varray.h.
19248 (analyze_iv_to_split_insn): Use new interface to iv
19250 * loop-unswitch.c (may_unswitch_on): Ditto.
19251 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19253 (df_bb_modify): Realloc tables to the new index.
19254 (df_find_use): New function.
19255 * df.h (df_find_use): Declare.
19256 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19258 * cfgloop.h (struct rtx_iv): Remove analysed field.
19259 (iv_get_reaching_def): Removed.
19260 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19261 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19262 (loop-iv.o): Add df.h and hashtab.h dependency.
19263 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19265 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19268 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19270 (__floatundisf, __floatundidf): Likewise.
19271 * libgcc2.h (IS_IBM_EXTENDED): Define.
19273 2006-01-19 DJ Delorie <dj@redhat.com>
19275 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19277 2006-01-19 Paul Brook <paul@codesourcery.com>
19279 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19280 as nothrow when unwinding tables are disabled.
19282 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19285 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19286 of bit-field" when in system header.
19288 2006-01-19 DJ Delorie <dj@redhat.com>
19290 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19291 the 16 bit shift limit of the m16c.
19293 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19296 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19297 * config/i386/i386.c (output_set_got): Output the label if we have one
19298 for the TARGET_DEEP_BRANCH_PREDICTION case.
19300 2006-01-19 Jan Hubicka <jh@suse.cz>
19301 H.J. Lu <hongjiu.lu@intel.com>
19302 Evandro Menezes <evandro.menezes@amd.com>
19304 * invoke.texi (generic): Document
19306 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19307 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19308 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19309 (x86_use_incdec, x86_pad_returns): New variables
19310 (TARGET_CPU_DEFAULT_generic): New constant
19311 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19312 (enum processor_type): Add generic32 and generic64.
19313 * i386.md (cpu attribute): Add generic32/generic64
19314 (movhi splitter): Behave sanely when both partial_reg_dependency and
19315 partial_reg_stall are set.
19316 (K8 splitters): Enable for generic as well.
19317 * predicates.md (incdec_operand): Use TARGET_INCDEC
19318 (aligned_operand): Avoid memory mismatch stalls.
19319 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19320 * ppro.md: Enable for generic32
19321 * i386.c (generic64_cost, generic32_cost): New.
19322 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19323 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19324 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19325 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19326 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19327 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19328 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19329 x86_accumulate_outgoing_args, x86_prologue_using_move,
19330 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19331 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19332 Enable for generic.
19333 (x86_use_incdec, x86_pad_returns): New.
19334 (override_options): Add generic32 and generic64, translate "generic"
19335 to generic32/generic64 and "i686" to "generic32", refuse
19336 "generic32"/"generic64" as arch target.
19337 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19338 (ix86_reorg): Honor PAD_RETURNS.
19340 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19342 * tree-pretty-print.c (dump_generic_node): Handle
19343 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19344 * cgraph.c (cgraph_expand_queue): Rename from
19345 cgraph_analyze_queue. Update all users.
19346 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19347 cgraph_expand_queue.
19348 (cgraph_expand_all_functions): Likewise.
19349 (cgraph_finalize_pending_functions): Remove. Update callers.
19351 * tree.h (OMP_DIRECTIVE_P): Define.
19352 (OMP_PARALLEL_FN): Define.
19353 (OMP_PARALLEL_DATA_ARG): Define.
19354 (OMP_SECTIONS_SECTIONS): Define.
19355 * tree-pass.h (pass_expand_omp): Declare.
19356 * omp-low.c (struct omp_region): Declare.
19357 (struct omp_context): Remove fields 'parallel_type',
19358 'parallel_start_ix' and 'parallel_start_additional_args'.
19360 (struct omp_for_data): Rename from struct expand_omp_for_data.
19361 (omp_regions): New static variable.
19362 (root_omp_region): New static variable.
19363 (find_omp_clause): Make static.
19364 (is_in_combined_parallel_ctx): Remove.
19365 (is_combined_parallel): New.
19366 (extract_omp_for_data): Move earlier in the file.
19367 (workshare_safe_to_combine_p): New.
19368 (get_ws_args_for): New.
19369 (determine_parallel_type): Move earlier in the file.
19370 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19372 (omp_copy_decl): Likewise.
19373 (create_omp_child_function): Likewise.
19374 (lookup_omp_region): New.
19375 (dump_omp_region): New.
19376 (debug_omp_region): New.
19377 (debug_all_omp_regions): New.
19378 (new_omp_region): New.
19379 (scan_omp_parallel): If parallel_nesting_level > 1, the
19380 directive is nested within another parallel directive.
19381 Set OMP_PARALLEL_FN.
19382 (scan_omp_for): Do not try to handle combined parallel+for
19384 Remove FIXME comment.
19385 (scan_omp_nested): Remove.
19386 (scan_omp_1): Do not call scan_omp_nested when
19387 parallel_nesting_level is > 1.
19388 Do not change the DECL_CONTEXT of local variables found.
19389 (lookup_decl_in_outer_ctx): New.
19390 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19391 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19392 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19393 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19394 If CTX is nested, lookup VAR in the outer context when
19395 building copy assignment.
19396 (lower_send_clauses): Rename from expand_send_clauses.
19397 If CTX is nested, lookup VAR in the outer context when
19398 building copy assignments.
19399 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19400 If CTX is nested, lookup VAR in the outer context when
19401 building copy assignments.
19402 (expand_parallel_call): Rename from build_parallel_call.
19403 Handle combined parallel+workshare cases.
19404 Re-implement to emit code into the CFG.
19406 (expand_omp_parallel): Re-implement to emit code into the CFG.
19407 Call move_sese_region_to_fn to outline the sub-graph
19408 containing the parallel region.
19409 (expand_omp_for_1): Remove.
19410 (expand_omp_for_generic): Re-implement to emit code into the
19412 (expand_omp_for_static_nochunk): Likewise.
19413 (expand_omp_for_static_chunk): Likewise.
19414 (expand_omp_for): Likewise.
19415 (expand_omp_sections): Likewise.
19416 (remove_exit_barriers): New.
19417 (expand_omp_synch): New.
19419 (build_omp_regions_1): New.
19420 (build_omp_regions): New.
19421 (execute_expand_omp): New.
19422 (gate_expand_omp): New.
19423 (pass_expand_omp): Define.
19424 (lower_omp_sections): Rename from expand_omp_sections.
19425 Set OMP_SECTIONS_SECTIONS.
19426 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19427 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19428 (lower_omp_single): Rename from expand_omp_simple.
19429 (lower_omp_master): Rename from expand_omp_master.
19430 (lower_omp_ordered): Rename from expand_omp_ordered.
19431 (lower_omp_critical): Rename from expand_omp_critical.
19432 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19433 (lower_omp_for): Re-implement.
19434 (lower_omp_parallel): Re-implement.
19435 (lower_regimplify): Rename from expand_regimplify.
19436 (lower_omp_1): Rename from expand_omp_1.
19437 If there are syntax errors in the program, replace every
19438 OpenMP directive with NOP.
19439 Call lower_omp_* instead of expand_omp_*.
19440 (lower_omp): Rename from expand_omp.
19442 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19443 * tree-gimple.h (enum omp_parallel_type): Remove.
19444 (gimple_boolify): Declare extern.
19445 (find_omp_clause, determine_parallel_type): Remove.
19447 * gimple-low.c (lower_omp_directive): New.
19448 (lower_stmt): Call it.
19449 (record_vars_into): Move from ...
19450 (record_vars): ... here.
19451 Call record_vars_into with current_function_decl.
19453 * gimplify.c (struct gimplify_ctx): Remove fields
19454 combined_pre_p and combined_ctxp. Update users.
19455 (get_formal_tmp_var): Add documentation.
19456 (gimple_boolify): Make extern.
19457 (gimplify_expr_in_ctx): Remove. Update callers.
19458 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19459 will always be a BIND_EXPR.
19460 (gimplify_expr): Handle OMP_RETURN_EXPR.
19461 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19462 (OMP_PARALLEL): Add 3 operands.
19463 (OMP_SECTIONS): Add 1 operand.
19464 (OMP_RETURN_EXPR): Define.
19466 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19467 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19468 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19469 creating a circular free list.
19470 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19472 * tree-flow.h (move_sese_region_to_fn): Declare.
19473 (record_vars_into): Declare.
19474 * tree-cfg.c (make_omp_sections_edges): New.
19475 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19476 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19477 OMP_SECTIONS and OMP_SECTION.
19478 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19479 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19480 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19481 (gather_blocks_in_sese_region): New.
19482 (struct move_stmt_d): Declare.
19483 (move_stmt_r): New.
19484 (move_block_to_fn): New.
19485 (move_sese_region_to_fn): New.
19487 * passes.c (init_optimization_passes): Schedule
19488 pass_expand_omp after pass_init_datastructures.
19490 * tree-ssa-operands.c (get_expr_operands): Handle
19491 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19492 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19494 2006-01-19 Jeff Law <law@redhat.com>
19496 * tree-vrp.c (extract_range_from_assert): Refine the result range
19497 if the variable referenced by the ASSERT_EXPR has a range and
19498 either the tentative result range or the previous range is a
19501 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19503 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19505 2006-01-19 Jan Hubicka <jh@suse.cz>
19507 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19509 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19511 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19512 (expand_compound_operation, expand_field_assignment): Fail if the
19513 bit lengths of an extract operation are out of range.
19514 (make_extraction): Compute wanted_inner_mode based on the position
19515 and length of the extraction. Make it extraction_mode for non-constant
19516 positions, and do not modify offset in that case. When generating a
19517 new MEM, use a mode that can hold the extraction while keeping correct
19518 alignment. Remove code that supported MEMs wrapped by USEs.
19519 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19521 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19523 * config/s390/s390.md ("Y", "y"): New mode attribute.
19524 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19525 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19526 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19527 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19528 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19529 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19530 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19531 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19532 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19533 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19534 "addsi3", "subsi3"): Insn patterns removed.
19535 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19536 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19537 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19538 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19539 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19540 "*sub<mode>3_cconly2"): New insn patterns.
19541 ("addsi3", "subsi3"): New expanders.
19543 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19545 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19546 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19547 existing STMT_VINFO_VECTYPE if available.
19548 (vect_mark_relevant): Add special handling for stmts that are
19549 marked as STMT_VINFO_IN_PATTERN_P.
19550 (vect_analyze_loop): Call vect_pattern_recog.
19551 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19552 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
19554 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
19555 (vect_recog_func_ptr): New function-pointer type.
19556 * tree-vect-patterns.c: New file.
19557 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
19558 (vect_recog_dot_prod_pattern, vect_pattern_recog):
19559 (vect_pattern_recog_1): New functions.
19560 (vect_pattern_recog_funcs): New array of function pointers.
19562 * tree-vectorizer.h (ternary_op): New enum value.
19563 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
19564 declaration. Revised documentation. Removed redundant dump prints.
19565 Removed redundant argument. Added support for reduction patterns.
19566 (vectorizable_reduction): Added support for reduction patterns.
19567 (vect_transform_stmt): Added support for patterns.
19569 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
19570 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
19571 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
19572 (expand_widen_pattern_expr): New function.
19573 (init_optabs): Initialize new optabs udot_prod_optab,
19575 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
19576 (sdot_prod_optab, udot_prod_optab): Define new optabs.
19577 (expand_widen_pattern_expr): New function declaration.
19578 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
19580 * tree-inline.c (estimate_num_insns_1): Added cases for new
19581 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19582 * tree-pretty-print.c (dump_generic_node): Likewise.
19583 (op_prio): Likewise.
19584 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
19585 * tree-ssa-operands.c (get_expr_operands): Added case for
19587 * tree-vect-patterns.c (widened_name_p): New function.
19588 (vect_recog_dot_prod_pattern): Added function implementation.
19589 * tree-vect-transform.c (get_initial_def_for_reduction): Added
19590 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
19591 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
19592 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
19594 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
19595 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
19596 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
19597 (init_optabs): Initialize new optabs widen_ssum_optab,
19599 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
19600 (widen_ssum_optab, widen_usum_optab): Define new optabs.
19601 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
19602 use instead of type of def.
19603 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
19604 function implementation.
19605 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
19606 widen_ssumv8hi): New.
19608 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
19611 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19614 * c-decl.c (add_flexible_array_elts_to_size): New function.
19615 (finish_decl): Use it.
19617 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
19619 * diagnostic.h: Include options.h.
19620 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
19621 dependancies for diagnostic.h.
19622 * Makefile.in (DIAGNOSTIC_H): Add options.h.
19624 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
19626 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
19627 (ssa_ro_call_cache_valid): Ditto.
19628 * tree-ssa-alias.c (sort_tags_by_id): New function.
19629 (init_transitive_clobber_worklist): Ditto.
19630 (add_to_worklist): Ditto.
19631 (mark_aliases_call_clobbered): Ditto.
19632 (compute_tag_properties): Ditto.
19633 (set_initial_properties): Ditto.
19634 (compute_call_clobbered): Ditto.
19635 (compute_may_aliases): Call compute_call_clobbered and grouping.
19636 (compute_flow_sensitive_aliasing): Remove clobbering related code.
19637 (compute_flow_insensitive_aliasing): Grouping now happens in our
19639 (setup_pointers_and_addressables): Remove clobbering related code.
19640 (add_may_alias): Ditto.
19641 (replace_may_alias): Ditto.
19642 (get_nmt_for): Ditto.
19643 (create_global_var):
19644 (is_escape_site): Return an escape_type enumeration.
19645 * tree-flow-inline.h (is_call_clobbered): Global var does not
19646 imply call clobbered.
19647 (mark_call_clobbered): Take a reason for marking this. Remove
19648 marking of globalness, and cache invalidation.
19649 (clear_call_clobbered): Remove cache invalidation code.
19650 * tree-dfa.c (dump_variable): If details is on, dump the reason
19652 * tree-outof-ssa.c (create_temp): Copy escape mask from original
19654 * tree-flow.h (struct ptr_info_def): Add escape mask member.
19655 (struct var_ann_d): Ditto.
19656 (enum escape_type): New.
19657 (mark_call_clobbered): Adjust prototype.
19658 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
19659 are never call clobbered.
19660 Record reasons for escaping.
19661 * tree-ssa-structalias.h (is_escape_site): Update prototype.
19662 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
19663 (ssa_ro_call_cache_valid): Ditto.
19664 (clobbered_v_may_defs): Ditto.
19665 (clobbered_vuses): Ditto.
19666 (ro_call_vuses): Ditto.
19667 (clobber_stats): New.
19668 (init_ssa_operands): Zero out clobber stats.
19669 (fini_ssa_operands): Print out clobber stats.
19670 (get_call_expr_operands): Pass callee fndecl to
19671 add_call_read_ops).
19672 (add_call_clobber_ops): Remove use of cache.
19673 Add use of PURE_CONST information.
19674 (add_call_read_ops): Remove use of cache.
19675 Add use of static not_read information.
19677 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
19679 Introduce TLS descriptors for i386 and x86_64.
19680 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
19681 (TARGET_ANY_GNU_TLS): New macro.
19682 (enum tls_dialect): Added TLS_DIALECT_GNU2.
19683 (struct machine_function): Add tls_descriptor_call_expanded_p.
19684 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
19685 (ix86_current_function_calls_tls_descriptor): Likewise.
19686 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
19687 (override_options): Introduce gnu2 tls dialect.
19688 (ix86_frame_pointer_required): Functions containing TLSCALLs are
19690 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
19692 (legitimize_tls_address): Adjust logic for GNU2 TLS.
19693 (ix86_init_machine_status): Initialize new field.
19694 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
19695 (ix86_tls_module_base): New.
19696 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
19697 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
19698 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
19699 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
19700 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
19701 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
19702 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
19703 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
19704 * config/i386/predicates.md (tls_modbase_operand): New.
19705 (tp_or_register_operand): New.
19707 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
19709 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
19710 (look_for_address_of): Ditto.
19711 (ipa_init): Walk the function decls.
19712 (static_execute): Don't set readonly on FUNCTION_DECL's.
19714 2006-01-18 Roger Sayle <roger@eyesopen.com>
19716 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
19717 for shifts where the source and destination registers are different.
19719 2006-01-18 Paul Brook <paul@codesourcery.com>
19721 Merge from csl-arm-branch.
19722 2005-03-14 Julian Brown <julian@codesourcery.com>
19723 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
19724 (aeabi_llsl): Likewise.
19725 (ashrdi3): Likewise.
19726 (aeabi_lasr): Likewise.
19727 (lshrdi3): Likewise.
19728 (aeabi_llsr): Likewise.
19729 2005-03-10 Julian Brown <julian@codesourcery.com>
19730 * config.gcc: Disable shared libgcc for SymbianOS.
19731 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
19733 2006-01-18 DJ Delorie <dj@redhat.com>
19735 * c-pragma.c (handle_pragma_diagnostic): New.
19736 (init_pragma): Register it.
19737 * doc/extend.texi: Document it.
19739 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
19740 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
19741 (diagnostic_context): Add classify_diagnostic[].
19742 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
19743 as errors if they're overridden to DK_WARNING.
19744 (diagnostic_initialize): Initialize classify_diagnostic[].
19745 (diagnostic_set_kind_override): New.
19746 (diagnostic_report_diagnostic): Check for kind changes.
19747 * opts.c (common_handle_option): Take lang_mask. Update callers.
19748 Handle OPT_Werror_.
19749 * common.opt (Werror=): New.
19750 * doc/invoke.texi: Document -Werror=*
19752 2006-01-18 Jeff Law <law@redhat.com>
19754 * tree-vrp.c (test_for_singularity): Correct test for new
19755 min limit. Use operand_equal_p rather than pointer equality
19756 for testing if new min/max values are equal.
19758 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
19759 using range information until after propagation and folding.
19761 2006-01-18 Richard Henderson <rth@redhat.com>
19762 Aldy Hernandez <aldyh@redhat.com>
19763 Jakub Jelinek <jakub@redhat.com>
19764 Diego Novillo <dnovillo@redhat.com>
19766 * omp-low.c: New file.
19767 * c-omp.c: New file.
19769 2006-01-18 Richard Henderson <rth@redhat.com>
19770 Jakub Jelinek <jakub@redhat.com>
19771 Diego Novillo <dnovillo@redhat.com>
19773 * doc/invoke.texi: Document -fopenmp.
19774 * tree-dump.h (debug_function): Declare.
19775 * hooks.c (hook_bool_tree_bool_false): New function.
19776 (hook_tree_tree_null): Remove.
19777 (hook_tree_tree_tree_null): New.
19778 * hooks.h: Update to match.
19779 * tree-pretty-print.c (debug_tree_chain): New.
19780 (print_generic_expr): Handle TDF_CHAIN.
19781 (dump_generic_node): Handle BLOCK.
19782 Do not abort with incomplete SWITCH_EXPRs.
19783 Do not dump body of an OpenMP directive if TDF_SLIM is given.
19784 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
19785 print space after directive name.
19786 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
19787 Handle OMP_MASTER and OMP_ORDERED.
19788 Handle printing of OMP_BODY just in one place, goto
19789 dump_omp_body in the rest of OMP_* nodes that have
19791 Don't handle clause nodes here. Update omp statements to
19792 use dump_omp_clauses.
19793 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
19794 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
19795 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
19796 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
19797 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
19798 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
19799 Adjust output for GOMP_PARALLEL.
19800 (dump_omp_clauses): New.
19801 (print_declaration): Dump DECL_VALUE_EXPR.
19802 (op_symbol_1): Split out of op_symbol.
19803 (dumping_stmts): Remove. Update all users.
19804 * cgraph.c (cgraph_analyze_queue): New.
19805 (cgraph_add_new_function): New.
19806 * cgraph.h (cgraph_analyze_queue): Declare.
19807 (cgraph_add_new_function): Declare.
19808 (cgraph_lower_function): Remove.
19809 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
19810 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
19811 and TYPE_P nodes in its default clause.
19812 (empty_body_p): New.
19813 (tree_range_check_failed): New.
19814 (build5_stat): New.
19815 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
19816 OMP_CLAUSE_REDUCTION_MERGE,
19817 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
19818 OMP_CLAUSE_PRIVATE_DEBUG,
19819 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
19820 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
19821 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
19822 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
19823 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
19824 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
19825 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
19826 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
19827 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
19828 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
19829 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
19830 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
19831 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
19832 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
19833 (TREE_RANGE_CHECK): New.
19834 (empty_body_p): Declare.
19835 (enum omp_clause_default_kind): New.
19836 (build_string_literal): Declare.
19837 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
19838 (build5_stat, build5): Declare.
19839 * tree-pass.h (TDF_CHAIN): Define.
19840 * tree-pass.h (PROP_gimple_lomp): Define.
19841 (pass_lower_omp): Declare.
19842 * diagnostic.h (debug_tree_chain): Declare.
19843 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
19845 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
19846 * builtins.c (build_string_literal): Make extern.
19847 * gcc.c (include_spec_function): New.
19848 (static_spec_functions): Add it.
19849 (main): Move load of libgomp.spec ...
19850 (LINK_COMMAND_SPEC): ... here.
19851 (link_gomp_spec): New.
19852 (static_specs): Include it.
19853 (LINK_COMMAND_SPEC): Add link_gomp.
19854 (GOMP_SELF_SPECS): New.
19855 (driver_self_specs): Include it.
19856 (switch_matches): Don't mark inline.
19857 (main): Load libgomp.spec.
19858 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
19859 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
19860 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
19861 * tree-gimple.h (enum omp_parallel): Declare.
19862 (determine_parallel_type): Declare.
19863 (omp_firstprivatize_variable): Declare.
19864 (omp_reduction_init): Declare.
19865 (diagnose_omp_structured_block_errors): Declare.
19866 (struct walk_stmt_info): Add want_return_expr.
19867 (struct walk_stmt_info): Add want_bind_expr, want_locations.
19868 (find_omp_clause): Declare.
19869 (insert_field_into_struct): Declare.
19870 (struct walk_stmt_info): Move from tree-nested.c
19871 (walk_stmts): Declare.
19872 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
19874 * cgraphunit.c (cgraph_lower_function): Make static.
19875 (cgraph_finalize_pending_functions): New.
19876 (cgraph_finalize_function): Call it.
19877 (cgraph_finalize_compilation_unit): Likewise.
19878 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
19879 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
19880 (BT_FN_UINT_UINT): New.
19881 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
19882 DEF_FUNCTION_TYPE_VAR_4): Document.
19883 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
19884 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
19885 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
19886 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
19887 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
19888 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
19889 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
19890 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
19891 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
19892 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
19893 into separate files.
19894 (DEF_GOMP_BUILTIN): New.
19895 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
19896 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
19897 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
19898 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
19899 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
19900 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
19901 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
19902 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
19903 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
19904 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
19905 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
19906 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
19907 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
19908 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
19909 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
19910 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
19911 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
19912 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
19913 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
19914 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
19915 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
19916 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
19917 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
19918 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
19919 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
19920 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
19921 * sync-builtins.def: New file, moved from builtins.def.
19922 * omp-builtins.def: New file, moved from builtins.def.
19923 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
19924 * gimple-low.c (lower_function_body): Clear data.
19925 (lower_stmt): Do not handle COMPOUND_EXPR.
19926 Remove call to print_node_brief.
19927 * c-tree.h (c_finish_omp_clauses): New prototype.
19928 (C_DECL_THREADPRIVATE_P): Define.
19929 (lookup_name_no_remap, c_omp_remap_private): Remove
19930 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
19931 (check_for_loop_decls): Update decl.
19932 (lookup_name_no_remap, c_omp_remap_private): Declare.
19933 (build_indirect_ref, build_modify_expr, pushdecl,
19934 pushdecl_top_level): Move to c-common.h.
19935 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
19936 before the switch, but just in the 2 places that need it.
19937 * c-decl.c (diagnose_mismatched_decls): Do not check for
19938 mismatched thread-local attributes when OLDDECL is marked
19939 threadprivate and NEWDECL has no thread-local attributes.
19940 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
19941 (c_gimple_diagnostics_recursively): Rename from
19942 c_warn_unused_result_recursively. Invoke
19943 diagnose_omp_structured_block_errors.
19944 (check_for_loop_decls): Return a singular decl found.
19945 * langhooks.c (lhd_omp_predetermined_sharing): Return
19946 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
19947 (lhd_omp_firstprivatize_type_sizes): New.
19948 (lhd_omp_assignment): New.
19949 (lhd_omp_predetermined_sharing): New.
19950 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
19951 (struct lang_hooks_for_types): Add
19952 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
19953 omp_predetermined_sharing, omp_disregard_value_expr,
19954 omp_private_debug_clause, omp_clause_default_ctor,
19955 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
19956 (c_finish_omp_clauses): New.
19957 (c_finish_bc_stmt): Diagnose break within omp for.
19958 (c_begin_omp_parallel, c_finish_omp_parallel): New.
19959 (build_unary_op): Return error_mark after reporting
19961 (build_modify_expr): Likewise.
19962 * gimplify.c: Include optabs.h and pointer-set.h.
19963 (enum gimplify_omp_var_data): Declare.
19964 (struct gimplify_omp_ctx): Declare.
19965 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19967 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19968 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19969 (splay_tree_compare_decl_uid): New.
19970 (new_omp_context): New.
19971 (delete_omp_context): New.
19972 (gimple_add_tmp_var): Call omp_add_variable.
19973 (gimplify_bind_expr): Likewise.
19974 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19975 true, disregard DECL_VALUE_EXPR on the decl if any.
19976 (gimplify_expr_in_ctx): New.
19977 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19978 omp_add_variable, omp_notice_variable, omp_is_private
19979 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19980 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19981 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19982 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19983 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19984 gimplify_omp_atomic): New.
19985 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19986 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19987 OMP_CRITICAL and OMP_ATOMIC.
19988 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19989 * c-pragma.h (enum pragma_kind): Add
19990 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19991 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19992 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19993 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19994 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19995 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19996 PRAGMA_OMP_THREADPRIVATE.
19997 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19998 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19999 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20000 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20001 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20002 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20003 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20004 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20005 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20006 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20007 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20008 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20009 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20011 (struct nesting_info): Add field_map,
20012 suppress_expansion, debug_var_chain.
20013 (create_nesting_tree): Initialize them.
20014 (lookup_field_for_decl): Use field_map.
20015 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20016 (convert_local_omp_clauses): New.
20017 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20018 (walk_body): Split out of walk_function.
20019 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20020 (convert_nonlocal_reference): Handle omp statements.
20021 (convert_local_reference): Likewise.
20022 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20023 (unnest_nesting_tree): New.
20024 (lower_nested_functions): Call it.
20025 (insert_field_into_struct): Make extern.
20026 (struct walk_stmt_info): Move to tree-gimple.h.
20027 (walk_stmts): Make extern.
20028 * omp-builtins.def: New file.
20029 * tree-iterator.c (expr_only): Clarify comment.
20030 * c-common.h (pushdecl_top_level, pushdecl,
20031 build_modify_expr, build_indirect_ref,
20032 c_finish_omp_master, c_finish_omp_critical,
20033 c_finish_omp_ordered, c_finish_omp_barrier,
20034 c_finish_omp_atomic, c_finish_omp_flush,
20035 c_finish_omp_for, c_split_parallel_clauses,
20036 omp_clause_default_kind, c_omp_sharing_predetermined,
20037 c_omp_remap_decl): Declare.
20038 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20039 (OBJS-common): Add omp-low.o.
20040 (c-omp.o, omp-low.o): Add.
20041 (gimplify.o): Add dependency on $(OPTABS_H).
20042 (GTFILES): Add omp-low.c.
20043 (gt-stringpool.h): Add.
20044 * tree-cfg.c (set_bb_for_stmt): Do not update the
20045 block-to-labels map if we are currently expanding to RTL.
20046 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20048 Handle IDENTIFIER_NODE.
20049 (tree_verify_flow_info): Do not ICE when emitting error
20050 messages about invalid labels.
20051 (dump_function_to_file): Reset CFUN before emitting the body
20053 (debug_function): New.
20054 * passes.c (init_optimization_passes): Schedule
20056 * langhooks-def.h (lhd_omp_predetermined_sharing,
20057 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20059 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20060 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20061 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20062 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20063 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20064 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20065 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20066 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20067 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20068 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20069 (LANG_HOOK_DECLS): Use them.
20071 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20072 Richard Henderson <rth@redhat.com>
20073 Jakub Jelinek <jakub@redhat.com>
20074 Diego Novillo <dnovillo@redhat.com>
20076 * c-parser.c (pragma_omp_clause): Define.
20077 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20078 (c_parser_compound_statement): Likewise.
20079 (c_parser_statement): Likewise.
20080 (c_parser_pragma): Handle omp pragmas.
20081 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20082 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20083 (c_parser_omp_clause_name, check_no_duplicate_clause,
20084 c_parser_omp_variable_list,
20085 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20086 c_parser_omp_clause_copyprivate,
20087 c_parser_omp_clause_default,
20088 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20089 c_parser_omp_clause_lastprivate,
20090 c_parser_omp_clause_nowait,
20091 c_parser_omp_clause_num_threads,
20092 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20093 c_parser_omp_clause_reduction,
20094 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20095 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20096 c_parser_omp_atomic, c_parser_omp_barrier,
20097 c_parser_omp_critical, c_parser_omp_flush,
20098 c_parser_omp_for_loop, c_parser_omp_for,
20099 c_parser_omp_master, c_parser_omp_ordered,
20100 c_parser_omp_sections_scope, c_parser_omp_sections,
20101 c_parser_omp_parallel, c_parser_omp_single,
20102 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20103 * c-pragma.c (init_pragma): Do omp pragma registration here.
20104 * c.opt (fopenmp): New flag.
20106 2006-01-18 Eric Christopher <echristo@apple.com>
20108 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20109 * config/darwin.h (GOMP_SELF_SPECS): Define.
20111 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20113 * rtl.h: Remove the prototype for reg_alloc.
20115 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20118 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20119 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20120 sjlj and dwarf2 exception handling.
20121 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20122 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20123 * pa/pa.c (function_value): Treat complex and vector types as
20125 (function_arg): Likewise. Only pass scalar floats in the floating
20126 point argument registers.
20127 * pa/t-slibgcc-dwarf-ver: New file.
20128 * pa/t-slibgcc-sjlj-ver: New file.
20129 * pa/t-slibgcc-elf-ver: Delete file.
20131 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20133 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20134 unlikely_test_section_p test.
20136 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20138 * mode-switching.c (optimize_mode_switching): Make it static.
20139 * basic-block.h: Remove the prototype for
20140 optimize_mode_switching.
20142 * modulo-sched.c (sms_schedule): Make it static.
20143 * rtl.h: Remove the prototype for sms_schedule.
20145 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20146 * rtl.h: Remove the prototype for gcse_after_reload_main.
20148 * reg-stack.c (reg_to_stack): Make it static.
20149 * rtl.h: Remove the prototype for reg_to_stack.
20151 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20153 * rtl.h: Remove the prototypes for regrename_optimize and
20154 copyprop_hardreg_forward.
20156 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20158 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20159 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20160 Test against the appropriate null constant for the mode.
20161 If 'fixup_overlap' is true, swap the operands if they overlap.
20162 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20163 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20164 alpha_split_tmode_pair and adjust for above change.
20165 * config/alpha/alpha.md (movtf_internal): Adjust call to
20166 alpha_split_tfmode_pair and rely on it to swap the operands.
20167 (movti_internal): New insn and post-reload splitter.
20168 (movti): New expander.
20170 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20172 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20175 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20177 * rtlanal.c (global_reg_mentioned_p_1,
20178 global_reg_mentioned_p): Remove.
20179 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20181 * flow.c (initialize_uninitialized_subregs): Make it static.
20182 * rtl.h: Remove the prototype for
20183 initialize_uninitialized_subregs.
20185 * function.c (instantiate_virtual_regs): Make it static.
20186 * function.h: Remove the prototype for
20187 instantiate_virtual_regs.
20189 * regmove.c (regmove_optimize, combine_stack_adjustments):
20191 * rtl.h: Remove the prototypes for regmove_optimize and
20192 combine_stack_adjustments.
20194 2006-01-17 Roger Sayle <roger@eyesopen.com>
20196 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20197 (size_cost): Encode costs in bytes so that a reg-reg addition is
20198 equivalent to COSTS_N_INSNS(1).
20199 (override_options): Use the size_cost.branch_cost as the default
20200 ix86_branch_cost when optimizing for size.
20202 2006-01-18 Ben Elliston <bje@au.ibm.com>
20204 * Makefile.in (D32PBIT_FUNCS): New.
20205 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20206 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20207 D64PBIT_FUNCS and D128PBIT_FUNCS.
20208 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20209 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20211 (decnumber_dep): Define.
20212 * doc/libgcc.texi (Decimal float library routines): New node.
20213 * config/dfp-bit.h, config/dfp-bit.c: New files.
20215 2006-01-18 Ben Elliston <bje@au.ibm.com>
20217 * expr.c (emit_move_change_mode): Always adjust addresses, not
20218 just during reload. Copy replacements only during reload.
20219 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20220 emit_move_via_integer.
20222 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20224 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20225 instead of $(srcdir) and ${srcdir}.
20227 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20230 PR middle-end/11135
20231 * arm.h (struct machine_function): Add pic_reg.
20232 * arm.c (arm_pic_register): Make unsigned.
20233 (arm_override_options): Only set arm_pic_register if
20234 TARGET_SINGLE_PIC_BASE.
20235 (use_return_insn): Only test for a pic register if it is fixed.
20236 (arm_compute_save_reg0_reg12_mask): Likewise.
20237 (thumb_compute_save_reg_mask): Likewise.
20238 (legitimate_pic_operand): Factor out some known invariants.
20239 (legitimize_pic_address): If we don't have a fixed pic register,
20240 then set up a pseudo in the function entry sequence. Handle the
20241 pic base being in a pseudo.
20242 (arm_load_pic_register): Handle the pic register being in a pseudo.
20243 (arm_expand_prologue): Only set up the pic register if it is fixed.
20244 (thumb_expand_prologue): Likewise.
20245 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20246 (pic_load_addr_based_insn): Likewise.
20247 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20250 2006-01-18 Ben Elliston <bje@au.ibm.com>
20252 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20253 decimal float modes for all floating point registers.
20255 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20256 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20258 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20261 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20262 even when the pointer is not NULL.
20264 2006-01-16 Ian Lance Taylor <ian@airs.com>
20266 * common.opt (ftoplevel-reorder): New option.
20267 * cgraph.c (cgraph_asm_nodes): New global variable.
20268 (cgraph_asm_last_node): New static variable.
20269 (cgraph_order): New global variable.
20270 (cgraph_create_node): Set new order field.
20271 (cgraph_varpool_node): Likewise.
20272 (decide_is_variable_needed): Return true if not
20273 flag_toplevel_reorder.
20274 (cgraph_add_asm_node): New function.
20275 * cgraph.h (struct cgraph_node): Add order field.
20276 (struct cgraph_varpool_node): Add order field.
20277 (struct cgraph_asm_node): Define.
20278 (cgraph_asm_nodes, cgraph_order): Declare.
20279 (cgraph_add_asm_node): Declare.
20280 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20282 (cgraph_varpool_assemble_pending_decls): Call it.
20283 (cgraph_output_pending_asms): New static function.
20284 (cgraph_finalize_compilation_unit): Call it.
20285 (struct cgraph_order_sort): Define.
20286 (cgraph_output_in_order): New static function.
20287 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20288 !flag_toplevel_reorder case.
20289 * c-parser.c: Include "cgraph.h".
20290 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20292 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20293 than -fno-unit-at-a-time.
20294 * doc/invoke.texi (Option Summary): Mention
20295 -fno-toplevel-reorder.
20296 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20297 -funit-at-a-time documentation.
20299 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20300 Kazu Hirata <kazu@codesourcery.com>
20302 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20304 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20306 * Makefile.in (FUNCTION_H): New. Use it instead of
20307 function.h throughout the file.
20308 * function.h: Include tree.h.
20310 2006-01-17 Ben Elliston <bje@au.ibm.com>
20312 * recog.c: Separate some functions with whitespace.
20314 2006-01-16 Richard Henderson <rth@redhat.com>
20316 Merge from gomp branch:
20317 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20318 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20319 and rename from struct inline_data. Rename callee* to dst*;
20320 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20321 transform_new_cfg, transform_return_to_modify, and
20322 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20324 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20325 (copy_decl_for_dup): Remove.
20326 * tree-inline.c (struct inline_data): Move to header.
20327 (insert_decl_map): Export.
20328 (remap_decl): Update for member name changes. Use copy_decl hook.
20329 Allow for replacement to be a non-decl. Remove dead code.
20330 (remap_type_1): Check for existing mapping.
20331 (remap_type): Export.
20332 (remap_decls): Update for member name changes.
20333 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20334 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20335 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20336 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20337 (tree_function_versioning, build_duplicate_type): Likewise.
20338 (copy_body_r): Likewise. Export.
20339 (copy_decl_for_dup): Split into ...
20340 (copy_decl_for_dup_finish, copy_decl_to_var,
20341 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20342 (replace_ref_tree, inlining_p): Remove.
20344 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20346 * ifcvt.c (if_convert): Make it static.
20347 * rtl.h: Remove the prototype for if_convert.
20349 * local-alloc.c (local_alloc): Make it static.
20350 * rtl.h: Remove the prototype for local_alloc.
20352 * loop.c (loop_optimize): Make it static.
20353 * cfgloop.h: Remove the prototype for loop_optimize.
20356 2006-01-16 DJ Delorie <dj@redhat.com>
20358 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20361 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20363 * pa.md: Disparage copies between general and floating-point registers
20364 in 32-bit move patterns.
20366 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20369 * Makefile.in (check-%): Depend on site.exp instead of
20370 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20373 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20375 * global.c (global_alloc): Make it static.
20376 * rtl.h: Remove the prototype for global_alloc.
20378 2006-01-16 Richard Guenther <rguenther@suse.de>
20380 * tree-ssa-alias.c (struct used_part): Add write_only field.
20381 (get_or_create_used_part_for): Initialize it to true.
20382 (create_overlap_variables_for): Don't create structure variables
20383 for structures that only are written to.
20384 (find_used_portions): Handle MODIFY_EXPR to track whether a
20385 structure is only written to.
20387 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20389 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20391 * basic-block.h: Remove the prototype for
20392 partition_hot_cold_basic_blocks.
20394 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20396 * cppspec.c (lang_specific_spec_functions): Remove.
20397 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20398 * gcc.h (lang_specific_spec_functions): Remove.
20399 * gccspec.c (lang_specific_spec_functions): Remove.
20401 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20403 * combine.c (record_value_for_reg): Invalidate registers
20405 (record_dead_and_set_regs_1): Likewise, by passing them to
20406 record_value_for_reg.
20407 (record_dead_and_set_regs): Invalidate stores made by a
20408 call. We do not combine across a call, but we still
20409 relied on equivalences.
20411 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20413 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20414 vrp_int_const_binop returning non-constant nodes.
20416 2006-01-16 Paul Brook <paul@codesourcery.com>
20418 * config/m68k/m68k.c (output_move_const_into_data_reg):
20419 Output correct mnemonic for mvz and mvs.
20421 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20423 * rtl-factoring.c: Add sequence abstraction algorithm.
20424 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20425 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20427 (block_has_preserve_label): New function.
20428 * common.opt: Register new pass.
20429 * Makefile.in: Ditto.
20431 * timevar.def: Ditto.
20432 * tree-pass.h: Ditto.
20433 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20434 * rtl.h (make_jump_insn_raw): Add forward decl.
20435 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20437 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20438 Roger Sayle <roger@eyesopen.com>
20440 * fold-const.c (fold_minmax): New static function.
20441 (fold_binary) <MIN_EXPR>: Call it.
20442 <MAX_EXPR>: Likewise.
20443 * stor-layout.c (place_field): Use DECL_SIZE consistently
20444 in the computation of the new record size.
20446 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20448 * cse.c (cse_condition_code_reg): Make it static.
20449 * rtl.h: Remove the prototype for cse_condition_code_reg.
20451 * combine.c (combine_instructions): Make it static.
20452 * rtl.h: Remove the prototype for combine_instructions.
20454 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20457 * tree.c (get_file_function_name_long): Concatenate the first global
20458 object name with a string derived from the input filename of the object
20461 2006-01-16 Ben Elliston <bje@au.ibm.com>
20463 * config/i386/winnt-stubs.c: Update FSF address.
20464 * config/xtensa/ieee754-df.S: Ditto.
20465 * config/xtensa/ieee754-sf.S: Ditto.
20467 2006-01-14 Ian Lance Taylor <ian@airs.com>
20469 * ifcvt.c (noce_init_if_info): New static function, broken out of
20470 noce_process_if_block.
20471 (noce_process_if_block): Call noce_init_if_info.
20472 (check_cond_move_block): New static function.
20473 (cond_move_process_if_block): New static function.
20474 (process_if_block): Call cond_move_process_if_block.
20476 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20478 * cselib.c (hash_table): Rename to cselib_hash_table.
20479 (cselib_clear_table, discard_useless_values,
20480 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20481 cselib_init, cselib_finish): Adjust uses of hash_table.
20483 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20485 PR tree-optimization/25485
20486 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20487 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20488 is known to be false and true, respectively.
20490 2006-01-14 Richard Guenther <rguenther@suse.de>
20492 PR tree-optimization/22548
20493 PR tree-optimization/22555
20494 PR tree-optimization/22501
20495 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20496 * params.def (salias-max-array-elements): New parameter.
20497 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20498 * doc/invoke.texi (salias-max-array-elements): Document.
20499 * tree-flow-inline.h (var_can_have_subvars): We also handle
20501 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20503 * tree-ssa-structalias.c (params.h): Include.
20504 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20505 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20506 (get_constraint_for): For ADDR_EXPR operating on something
20507 containing an ARRAY_REF, add all subvars to the solution.
20508 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20509 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20510 for creating MUST_DEFs.
20511 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20513 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20515 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20517 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20518 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20519 number_of_iterations_le): New functions.
20520 (number_of_iterations_special): Removed.
20521 (number_of_iterations_exit): Do not use number_of_iterations_special.
20522 * tree.c (unsigned_type_for): Always return integer type.
20524 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20525 Richard Guenther <rguenther@suse.de>
20527 PR rtl-optimization/24257
20528 * gcse.c (find_moveable_store): Only consider a store movable
20529 when the SET_SRC of the insn can be assigned to a register.
20531 2006-01-14 Ian Lance Taylor <ian@airs.com>
20533 * tree.c (tree_not_class_check_failed): New function.
20534 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20535 (tree_not_class_check_failed): Declare.
20537 2006-01-13 Ian Lance Taylor <ian@airs.com>
20539 * reload1.c (do_output_reload): Add assertion rejecting a
20542 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20544 * combine.c (struct reg_stat): Add new fields truncation_label and
20546 (record_value_for_reg): Reset truncated_to_mode.
20547 (record_truncated_value): New function.
20548 (check_promoted_subreg): Call it. Rename to check_conversions.
20549 (combine_instructions): Rename check_promoted_subreg to
20551 (reg_truncated_to_mode): New function.
20552 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
20553 (gen_lowpart_or_truncate): New function.
20554 (force_to_mode): Use it instead of gen_lowpart.
20556 2006-01-13 Diego Novillo <dnovillo@redhat.com>
20558 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
20559 VAR is a tag, not its type tag.
20561 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
20563 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
20564 alternatives to match style of other entries.
20565 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
20567 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
20569 PR tree-optimization/25771
20570 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
20573 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
20576 * tree-inline.c (declare_return_variable): If the return variable
20577 was marked as a non gimple complex, set the return slot variable
20578 to be a non gimple comple variable.
20580 2006-01-13 Richard Guenther <rguenther@suse.de>
20582 * builtins.c (expand_builtin_sincos): New function.
20583 (expand_builtin_mathfn_3): Remove dead code, sin and cos
20585 (expand_builtin): Expand sincos using expand_builtin_sincos.
20587 2006-01-12 DJ Delorie <dj@redhat.com>
20589 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
20590 shift counts, separate SI shifts for m32c vs m16c, pass shift type
20591 so that constant shifts can be split.
20592 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
20593 (m32c_valid_pointer_mode): Make static.
20594 (shift_gen_func_for): New.
20595 (m32c_prepare_shift): Use it. Split large const shifts into
20597 * config/m32c/predicates.md (shiftcount_operand): Allow more
20599 (longshiftcount_operand): New.
20600 * doc/md.texi (Machine Constraints): Document In6.
20602 2006-01-13 Ben Elliston <bje@au.ibm.com>
20604 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
20605 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
20608 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
20610 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
20611 to try to avoid clobbering pieces of structures when we know
20612 something about the whole structure.
20613 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
20615 2006-01-13 Ben Elliston <bje@au.ibm.com>
20617 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
20618 return in memory, as this is no limitation is no longer present.
20620 2006-01-12 DJ Delorie <dj@redhat.com>
20622 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
20623 mova with fb, and for fb+0 -> An.
20625 * config/m32c/mov.md (peephole2): Fix enabling logic.
20627 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
20628 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
20629 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
20630 FINI_ARRAY_SECTION_ASM_OP): Define.
20632 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
20634 (m32c_legitimize_reload_address): New logic to reload FB to An.
20635 (m32c_output_reg_push): Add newline.
20636 (m32c_output_reg_pop): Likewise.
20638 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
20640 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
20642 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
20644 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
20646 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20648 * config/sh/predicates.md (sh_rep_vec): Add parallel to
20651 2006-01-11 Ben Elliston <bje@au.ibm.com>
20653 * rtlanal.c (find_reg_note): Assert insn is not null.
20655 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20657 * df-scan.c (df_hard_reg_init): Move declaration of i outside
20660 2006-01-11 Jeff Law <law@redhat.com>
20662 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
20664 (mark_threaded_blocks, register_jump_thread): New functions.
20665 (thread_through_all_blocks): Remove unwanted argument. No
20666 longer rely on e->aux to communicate thread target info.
20667 Call mark_threaded_blocks. Release the threaded_blocks
20668 bitmap and threaded_edges vector when complete.
20669 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
20670 (threaded_blocks): Remove.
20671 (tree_ssa_dominator_optimize): Remove initialization and
20672 finalization of threaded_blocks. Simplify call to
20673 thread_through_all_blocks.
20674 (thread_across_edge): Call register_jump_thread rather than
20675 storing thread information into e->aux.
20676 (free_all_edge_infos): Simplify now that e->aux is no longer
20677 used to communicate with thread_through_all_blocks.
20678 * tree-flow.h (thread_through_all_blocks): Update prototype.
20679 (register_jump_thread): Prototype.
20681 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20683 * df-core.c (df_compact_blocks, df_bb_replace): Use
20684 SET_BASIC_BLOCK instead of BASIC_BLOCK.
20686 2006-01-11 Richard Guenther <rguenther@suse.de>
20688 PR tree-optimization/25734
20689 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
20690 stop propagation after successful propagation to the LHS.
20692 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
20694 * basic-block.h (control_flow_graph): Change the type of
20695 x_basic_block_info to VEC(basic_block,gc) *.
20696 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
20698 (SET_BASIC_BLOCK): New.
20699 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
20700 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
20701 * cfgbuild.c (find_basic_blocks): Likewise.
20702 * cfglayout.c (fixup_reorder_chain): Likewise.
20703 * cfgrtl.c (create_basic_block_structure,
20704 rtl_create_basic_block): Likewise.
20705 * ifcvt.c (find_if_case_1): Likewise.
20706 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
20709 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
20711 * Makefile.in: Removed rotted odf.c entry.
20713 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
20716 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
20717 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
20718 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
20719 output pattern modifier, not %e.
20720 * config/cris/cris.c (cris_op_str): Update comment about pattern
20722 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
20723 before falling through into...
20724 <case 'E'>: Redefined from old 'e' case.
20726 2006-01-11 Jan Hubicka <jh@suse.cz>
20729 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
20731 2006-01-11 Jan Hubicka <jh@suse.cz>
20733 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
20734 * i386.c (x86_decompose_lea): Kill.
20735 (ix86_rtx_costs): Kill.
20737 2006-01-11 Jan Hubicka <jh@suse.cz>
20739 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
20740 * cgraph.h (cgraph_node): Add inline_decl.
20741 (cgraph_insert_node_to_hashtable): Declare.
20742 (save_inline_function_body): Declare.
20743 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
20745 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
20746 (cgraph_function_versioning): Update call of tree_function_versioning.
20747 (save_inline_function_body): New function.
20748 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
20749 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
20750 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
20751 (cgraph_default_inline_p): Likewise.
20752 (cgraph_decide_inlining_incrementally): Likewise.
20753 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
20754 (copy_bb): Kill saving; do updating of clones.
20755 (copy_cfg_body): Kill saving.
20756 (initialize_inlined-parameters): Likewise.
20757 (expand_call_inline): Likewise.
20759 (tree_function_versioning): New parameter "update_clones".
20760 (inlining_p): Kill saving.
20761 * tree-inline.h (tree_function_versioning): Update prototype.
20762 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
20765 2006-01-11 Ian Lance Taylor <ian@airs.com>
20767 * combine.c (struct undo): Remove is_int. Enumify types of undos.
20768 Allow undoing set of machine mode.
20769 (do_SUBST): Use enums instead of is_int.
20770 (do_SUBST_MODE): New function.
20771 (SUBST_MODE): New macro.
20772 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
20773 reg and trying to replace reg_regno_rtx with a new register.
20774 (undo_all): Use new enums, handle undoing a PUT_MODE change.
20775 (simplify_set): Use SUBST_MODE.
20776 (distribute_notes): Remove code that tried to update reg notes
20777 for regno_reg_rtx changes.
20779 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
20781 PR tree-optimization/23109
20782 PR tree-optimization/23948
20783 PR tree-optimization/24123
20785 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
20786 * tree-cfg.c (single_noncomplex_succ): New.
20787 * tree-flow.h (single_noncomplex_succ): Declare it.
20788 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20789 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
20790 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
20791 insert_bb, register_division_in, insert_reciprocals,
20792 replace_reciprocal, free_bb): New.
20793 (execute_cse_reciprocals_1): Rewritten.
20794 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
20795 Do not commit any edge insertion. Always compute dominators and
20796 create the allocation pool.
20797 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
20798 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
20799 * targhooks.c (default_min_divistions_for_recip_mul): New.
20800 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
20801 * passes.c (init_optimization_passes): Run recip after tree loop
20803 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
20805 2006-01-11 Danny Berlin <dberlin@dberlin.org>
20806 Kenneth Zadeck <zadeck@naturalbridge.com>
20808 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
20809 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
20810 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
20811 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
20812 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
20813 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
20814 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
20815 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
20816 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
20817 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
20818 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
20819 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
20820 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
20821 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
20822 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
20823 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
20824 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
20825 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
20826 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
20827 DF_SCAN_POST_ALLOC): New macros.
20828 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
20829 df_free_bb_function, df_local_compute_function, df_init_function,
20830 df_dataflow_function, df_confluence_function_0,
20831 df_confluence_function_n, df_transfer_function,
20832 df_finalizer_function, df_free_function, df_dump_problem_function,
20833 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
20834 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
20835 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
20836 df_urec_bb_info, ) New types.
20837 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
20839 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
20840 df_analyze_simple_change_some_blocks,
20841 df_analyze_simple_change_one_block, df_compact_blocks,
20842 df_bb_replace, df_bb_regno_last_use_find,
20843 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
20844 df_insn_regno_def_p, df_find_def, df_find_use,
20845 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
20846 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
20847 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
20848 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
20849 debug_df_chain, df_get_dependent_problem, df_chain_create,
20850 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
20851 df_grow_bb_info, df_chain_dump, df_print_bb_index,
20852 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
20853 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
20854 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
20855 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
20856 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
20857 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
20858 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
20859 df_ref_remove, df_insn_refs_delete, df_refs_delete,
20860 df_reorganize_refs, df_set_state, df_hard_reg_init,
20861 df_read_modify_subreg_p) New public functions.
20862 * df-core.c: The core dataflow solver and glue routines for rtl
20864 (df_init, df_add_problem, df_set_blocks, df_finish,
20865 df_hybrid_search_forward, df_hybrid_search_backward,
20866 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
20867 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
20868 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
20869 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
20870 df_reg_defined, df_find_use, df_reg_used, df_dump,
20871 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
20872 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
20873 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
20874 debug_df_useno, reset_df_after_reload): New functions.
20875 * df-scan.c: The scanning fuctions, once in df.c, completely
20876 rewritten so that they now fully model the functionality of
20877 register usage at the backend.
20878 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
20879 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
20880 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
20881 df_grow_insn_info, df_rescan_blocks, df_ref_create,
20882 df_get_artificial_defs, df_get_artificial_uses,
20883 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
20884 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
20885 df_refs_delete, df_reorganize_refs, df_set_state,
20886 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
20887 df_def_record_1, df_defs_record, df_uses_record,
20888 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
20889 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
20890 df_record_exit_block_uses, df_hard_reg_init): New functions.
20892 * df-problems.c: Seven concrete dataflow problems that use the
20893 scanning in df-scan.c and are solved by the engine in df-core.c.
20894 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
20895 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
20896 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
20897 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
20898 df_ru_free_bb_info, df_ru_alloc,
20899 df_ru_bb_local_compute_process_def,
20900 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
20901 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
20902 df_ru_transfer_function, df_ru_free, df_ru_dump,
20903 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
20904 df_rd_free_bb_info, df_rd_alloc,
20905 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
20906 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
20907 df_rd_transfer_function, df_rd_free, df_rd_dump,
20908 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
20909 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
20910 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
20911 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
20912 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
20913 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
20914 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
20915 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
20916 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
20917 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
20918 df_urec_mark_reg_change, df_urec_check_earlyclobber,
20919 df_urec_mark_reg_use_for_earlyclobber,
20920 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
20921 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
20922 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
20923 df_urec_dump, df_urec_add_problem, df_chain_alloc,
20924 df_chain_create_bb_process_use, df_chain_create_bb,
20925 df_chain_finalize, df_chain_free, df_chains_dump,
20926 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
20927 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
20928 df_reg_lifetime): New functions.
20929 * df.c: Deleted file.
20930 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
20931 consistent with new df api.
20932 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
20933 rest_of_handle_sms): Ditto.
20934 * web.c (unionfind_union, union_defs, entry_register, web_main):
20936 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
20937 invariant_expr_equal_p, find_defs, check_dependencies,
20938 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
20939 free_inv_motion_data, move_loop_invariants): Ditto.
20940 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
20941 Update dependencies.
20942 (odf.c): Added defective entry that was deleted later in day.
20943 * sched-deps.c (sched_analyze_1): Ditto.
20945 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
20947 * tree-ssa-operands.c (get_expr_operands): Record addressable
20948 variables directly. Do not call add_stmt_operands for CONST_DECLs
20950 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
20951 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
20953 2006-01-11 Ben Elliston <bje@au.ibm.com>
20955 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
20956 function returns true in the positive case.
20958 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20961 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
20962 for SI, DI, SF and DF modes. Add alternatives to copy between
20963 general and floating point registers to the 32-bit patterns.
20964 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
20965 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
20966 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20967 generating 64-bit code.
20968 * config/pa/pa.c (output_move_double): Handle copies between general
20969 and floating registers.
20971 2006-01-10 Stuart Hastings <stuart@apple.com>
20973 * config/i386/i386.md (set_got): Update.
20974 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20975 (builtin_setjmp_receiver): Mach-O support.
20976 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20977 (GOT_SYMBOL_NAME): Define.
20978 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20979 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20980 * config/i386/i386.c (override_options): Revise for Darwin.
20981 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20982 support. (darwin_x86_file_end): New. (output_set_got): Add label
20983 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20984 * config/i386/i386-protos.h (output_set_got): Likewise.
20985 * config/darwin.c (machopic_legitimize_pic_address): Update
20988 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20990 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20991 when MODE isn't BLKmode.
20993 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20995 PR rtl-optimization/25367
20996 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20998 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21001 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21002 for a negative bound.
21004 2006-01-10 Richard Guenther <rguenther@suse.de>
21006 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21007 Never override with anything constraint.
21009 2006-01-10 Jan Beulich <jbeulich@novell.com>
21011 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21012 256 bits when optimize_size.
21014 2006-01-10 Jan Beulich <jbeulich@novell.com>
21016 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21018 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21019 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21022 2006-01-10 Ben Elliston <bje@au.ibm.com>
21024 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21026 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21027 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21028 (USE_FP_FOR_ARG): Reject decimal float modes.
21029 (function_arg_advance): Likewise.
21030 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21031 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21032 point types in AltiVec vectors.
21033 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21034 (rs6000_libcall_value): Likewise.
21036 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21038 * config/xtensa/ieee754-df.S: New file.
21039 * config/xtensa/ieee754-sf.S: New file.
21040 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21041 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21042 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21044 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21046 * config/sh/predicates.md (binary_float_operator,
21047 binary_logical_operator, commutative_float_operator,
21048 equality_comparison_operator, greater_comparison_operator,
21049 less_comparison_operator, logical_operator,
21050 noncommutative_float_operator, shift_operator,
21051 symbol_ref_operand, unary_float_operator): Remove redundant
21054 2006-01-09 Jeff Law <law@redhat.com>
21056 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21057 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21058 now unused arguments. Callers updated.
21059 (eliminate_redundant_computations): Remove now unused arguments,
21061 (local_fold): Remove, no longer used.
21062 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21064 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21065 (simplify_cond): New function.
21066 (forward_propagate_into_cond): Call simplify_cond.
21068 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21070 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21071 (*vec_extractv2di_1_sse): New.
21073 2006-01-09 Ben Elliston <bje@au.ibm.com>
21075 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21077 2006-01-08 Richard Guenther <rguenther@suse.de>
21079 * tree-ssa-structalias.c (get_constraint_for): Remove
21080 anyoffset argument.
21081 (get_constraint_for_component_ref): Likewise.
21082 (do_deref): Likewise.
21083 (get_constraint_for): Likewise.
21084 (do_structure_copy): Likewise.
21085 (handle_ptr_arith): Likewise.
21086 (find_func_aliases): Likewise. Remove unused need_anyoffset
21089 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21090 Kaz Kojima <kkojima@gcc.gnu.org>
21092 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21093 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21094 (EXTRA_CONSTRAINT_C16): Remove.
21095 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21096 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21097 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21098 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21099 constants of SHmedia. Handle nested constant expressions of
21101 (andcosts): Fix the costs for SHmedia constants.
21102 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21103 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21104 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21105 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21106 (movv4hi_i, movv2si_i): Likewise.
21107 (movsi_const): Adjust the second operand of ior so to match with
21108 the Csu constraint.
21109 (movdi_const, movdi_const_32bit): Likewise.
21110 (movdi_const_16bit+1): Don't sign-extend LOW.
21111 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21113 (*double_shori): Fix the split condition. Use GEN_INT instead
21114 of get_int_mode calls. Mask lower 16-bit of the argument of
21116 (sym2GOTPLT): Remove.
21117 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21119 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21120 instead of EXTRA_CONSTRAINT_C16.
21122 2006-01-07 Ian Lance Taylor <ian@airs.com>
21123 David Edelsohn <edelsohn@gnu.org>
21125 PR rtl-optimization/25662
21126 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21127 for constant operands instead of simplify_gen_binary.
21128 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21129 after trying simplify_binary_operation
21131 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21133 * tree.c (iterative_hash_expr): Hash decls based on UID.
21135 2006-01-06 Eric Christopher <echristo@apple.com>
21137 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21138 (TARGET_UNWIND_EMIT): Fix spelling.
21139 * target.h (gcc_target): Add except_table_label.
21140 * except.c (output_function_exception_table): Use.
21141 * varasm.c (default_emit_except_table_label): New.
21142 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21144 (asm_out): Add here.
21145 * output.h (default_emit_except_table_label): Prototype.
21146 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21147 * config/darwin.c (darwin_emit_except_table_label): Define.
21148 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21150 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21152 PR tree-optimization/18527
21153 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21154 number_of_iterations_special, number_of_iterations_exit):
21155 Move base and step of an iv to a single structure. Add
21156 no_overflow flag, and use it in # of iterations analysis.
21157 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21158 folded_casts argument.
21159 (simple_iv): Pass base and step in a structure. Set no_overflow
21161 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21162 Evaluate expensiveness of computing # of iterations instead of
21163 the final expression.
21164 * tree-scalar-evolution.h (affine_iv): New structure.
21165 (simple_iv): Declaration changed.
21166 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21167 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21168 find_givs_in_stmt): Changed due to simple_iv change.
21170 2006-01-06 Jeff Law <law@redhat.com>
21173 * tree-cfg.c (bsi_replace): Rename final argument from
21174 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21175 change (stmt -> orig_stmt).
21176 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21177 (bsi_remove): Add new argument. Remove EH information
21179 (verify_eh_throw_table_statements): New function.
21180 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21182 * tree-optimize.c (execute_free_cfg_annotations): Verify
21183 the EH throw statement table after removing annotations.
21184 * except.h (verify_eh_throw_table_statements): Prototype.
21185 * tree-flow.h (bsi_remove): Update prototype.
21186 * tree-vrp.c (remove_range_assertions): Add new argument to
21188 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21189 * tree-complex.c (expand_complex_div_wide): Likewise.
21190 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21191 * tree-tailcall.c (eliminate_tailcall): Likewise.
21192 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21193 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21194 * tree-nrv.c (tree_nrv): Likewise.
21195 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21196 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21197 (combine_blocks): Likewise.
21198 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21199 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21200 (cleanup_control_flow): Likewise.
21201 (remove_forwarder_block): Likewise.
21202 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21203 * tree-sra.c (sra_replace): Likewise.
21204 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21205 (forward_propagate_single_use_vars): Likewise.
21206 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21207 * tree-inline.c (expand_call_inline): Likewise.
21208 * tree-vect-transform.c (vect_transform_loop): Likewise.
21209 * tree-outof-ssa.c (rewrite_trees): Likewise.
21210 * tree-cfg.c (make_goto_expr_edges): Likewise.
21211 (cleanup_dead_labels): Likewise.
21212 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21213 (bsi_move_before, bsi_move_after): Likewise.
21214 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21215 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21217 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21220 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21222 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21223 on non gimple variables. Also add checks at the top for decls and
21225 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21227 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21228 and IMAGPART_EXPR for creating MUST_DEFs.
21229 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21230 and NAME_MEMORY_TAG separately from the DECLs.
21232 2006-01-06 Richard Guenther <rguenther@suse.de>
21234 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21235 annotation, if necessary.
21236 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21237 redundant calls to update_stmt.
21238 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21241 2006-01-05 Richard Henderson <rth@redhat.com>
21243 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21245 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21247 * c-typeck.c: Update copyright date.
21249 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21251 * c-typeck.c (build_c_cast): Always warn when casting
21252 from a pointer to an integer of different size, even if
21253 the node was constant.
21255 2006-01-05 Richard Guenther <rguenther@suse.de>
21257 PR tree-optimization/22555
21258 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21259 if one structure field is an array.
21260 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21261 operands even if we found a subvar, but ignore VOPs in this
21263 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21265 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21267 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21269 PR middle-end/24998
21270 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21272 2006-01-05 Richard Guenther <rguenther@suse.de>
21273 Diego Novillo <dnovillo@redhat.com>
21275 * tree-pass.h (TODO_remove_unused_locals): Define.
21276 * gimple-low.c (expand_var_p, remove_useless_vars,
21277 pass_remove_useless_vars): Remove. Update all users.
21278 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21279 (remove_unused_locals): New function.
21280 * tree-flow.h (remove_unused_locals): Declare.
21281 * passes.c (execute_todo): Call remove_unused_locals if
21282 TODO_remove_unused_locals is set.
21283 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21284 * tree-ssa-dce.c (pass_dce): Likewise.
21285 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21287 2006-01-05 Richard Guenther <rguenther@suse.de>
21289 * tree-flow.h (struct fieldoff): Decompose field to
21290 type, size and decl.
21291 * tree-ssa-alias.c (create_sft): Take type as parameter.
21292 (create_overlap_variables_for): Store type, size and decl
21293 in the fieldoff structure.
21294 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21295 of struct fieldoff.
21296 (push_fields_onto_fieldstack): Likewise.
21297 (create_variable_info_for): Likewise. Use offset for the
21298 SFT name if the decl is not available.
21300 2006-01-04 Paul Brook <paul@codesourcery.com>
21302 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21304 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21306 * lambda-code.c (can_put_in_inner_loop): Relax
21308 (can_put_after_inner_loop): New function.
21309 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21310 (perfect_nestify): Change to make copies and modify uses.
21312 2006-01-04 Richard Henderson <rth@redhat.com>
21314 Merge from gomp branch:
21315 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21316 via integer constant.
21317 (pragma_lex): Remove.
21318 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21319 rather than parsing it.
21320 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21321 handle_pragma_extern_prefix): Add %< %> quotes.
21322 (registered_pragmas): New.
21323 (c_register_pragma_1): New.
21324 (c_register_pragma): Use it.
21325 (c_register_pragma_with_expansion): Likewise.
21326 (c_invoke_pragma_handler): New.
21327 (init_pragma): Use cpp_register_deferred_pragma directly for
21329 * c-pragma.h (enum pragma_kind): New.
21330 (pragma_handler): New.
21331 (c_invoke_pragma_handler): Declare.
21332 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21334 * c-common.h (c_common_pch_pragma): Update decl.
21335 * Makefile.in (c-parser.o): Update dependencies.
21336 (GTFILES): Add c-pragma.h.
21337 * c-parser.c (struct c_token): Add pragma_kind.
21338 (struct c_parser): Add in_pragma.
21339 (c_lex_one_token): Always initialize keyword and pragma_kind.
21340 Extract data for CPP_PRAGMA.
21341 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21342 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21343 Don't allow CPP_PRAGMA_EOL if in_pragma.
21344 (c_parser_consume_pragma): New.
21345 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21346 (c_parser_skip_to_end_of_parameter): Likewise.
21347 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21348 (c_parser_skip_to_pragma_eol): New.
21349 (c_parser_external_declaration): Handle CPP_PRAGMA.
21350 (c_parser_compound_statement_nostart): Likewise.
21351 (c_parser_statement_after_labels): Likewise.
21352 (c_parser_pragma): New.
21353 (pragma_lex): Likewise.
21354 (c_parser_pragma_pch_preprocess): New.
21355 (c_parser_new): Merge into ...
21356 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21358 2006-01-04 Jeff Law <law@redhat.com>
21361 * tree-cfg.c (bsi_replace): Remove the original statement
21362 from the EH throw statement table.
21364 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21366 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21367 make the prototype extern "C" and add throw ().
21370 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21371 and pos non-negative and pos + len <= 32.
21372 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21373 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21374 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21377 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21378 as well as sizes not multiple of component size.
21381 * function.c (instantiate_expr): New function.
21382 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21383 walk its DECL_VALUE_EXPR with instantiate_expr.
21385 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21386 DW_OP_deref{,_size} if address isn't going to be added.
21388 2006-01-04 Ben Elliston <bje@au.ibm.com>
21390 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21391 * config/fp-bit.c: Likewise.
21393 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21395 * dominance.c: Add comment about why we use DFS numbering
21398 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21399 Richard Henderson <rth@redhat.com>
21401 Merge from gomp-branch:
21402 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21403 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21405 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21407 PR rtl-optimization/25578
21408 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21409 pass a parameter to simplify_shift_const if changing ASHIFTRT
21412 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21414 * builtins.c (get_builtin_sync_mem): New function.
21415 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21416 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21417 Call get_builtin_sync_mem to generate mem rtx.
21419 2006-01-03 Richard Guenther <rguenther@suse.de>
21422 * stmt.c (add_case_node): Make sure to clear overflow flags
21425 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21427 Merge from gomp-branch.
21428 * config/sparc/sync.md: New file.
21429 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21430 UNSPECV_LDSTUB): New constants.
21431 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21432 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21433 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21436 2006-01-03 Roger Sayle <roger@eyesopen.com>
21438 * combine.c (reg_subword_p): New predicate to test whether the
21439 destination of a set refers to a subword/piece of a register.
21440 (try_combine): Generalize the code to merge the setting of a
21441 pseudo to a constant followed by a set of a subword of that
21442 register to a constant.
21444 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21446 * basic-block.h (control_flow_graph): Change the type of
21447 x_label_to_block_map to VEC(basic_block,gc) *.
21448 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21449 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21451 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21452 VEC(basic_block,heap) *.
21453 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21454 ssa_prop_fini): Adjust the uses of cfg_blocks.
21456 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21458 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21460 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21461 hashing trees instead of a pointer hash.
21462 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21463 compare for MEM_EXPR.
21465 PR rtl-optimization/25130
21466 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21467 when comparing MEMs for GCSE
21469 2006-01-03 Ben Elliston <bje@au.ibm.com>
21471 * targhooks.h (default_decimal_float_supported_p): Declare.
21472 * targhooks.c (default_decimal_float_supported_p): Define.
21473 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21474 `default_decimal_float_supported_p'.
21475 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21477 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21479 * combine.c (apply_distributive_law <SUBREG>): Check
21480 TRULY_NOOP_TRUNCATION.
21482 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21484 * dwarf2out.c (have_switched_text_section): Delete.
21485 (have_multiple_function_sections): New.
21486 (have_location_lists): Make 'bool'.
21487 (add_AT_loc_list): Use 'true' not '1'.
21488 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21489 (output_loc_list): Use have_multiple_function_sections.
21490 (output_ranges): Likewise.
21491 (dwarf2out_begin_function): Set have_multiple_function_sections if
21493 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21494 Check function_section rather than DECL_SECTION_NAME.
21495 (dwarf2out_finish): Use have_multiple_function_sections.
21496 Don't clear have_location_lists.
21498 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21499 Jan Hubicka <jh@suse.cz>
21501 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21502 case of conditional jump jumping to the next instruction.
21503 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21504 cases of conditional jump jumping to the next instruction.
21506 2006-01-02 Jan Hubicka <jh@suse.cz>
21508 * i386.c (*_cost): Add COSTS_N_INSNS.
21509 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21511 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21514 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21516 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21518 * config/arm/arm.c (all_fpus): Fix comment typo.
21519 * config/darwin.c: Likewise.
21520 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21521 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21522 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21524 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21526 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21527 (rs6000_split_compare_and_swapqhi): New.
21528 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21529 (sync_compare_and_swapqhi_internal): New.
21530 * config/rs6000/rs6000-protos.h: Declare.