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PR tree-optimization/36129
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
2
3         PR tree-optimization/36129
4         * tree-ssa-cpp.c: Include value-prof.h.
5         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
6         built-in function was folded to a constant.
7         * Makefile.in (tree-ssa-cpp.c): Depend on value-prof.h
8
9 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
10             Sebastian Pop  <sebastian.pop@amd.com>
11
12         * tree-scalar-evolution.c: Document instantiate_scev.
13         (instantiate_parameters_1): Renamed instantiate_scev_1.
14         Don't use the same loop for instantiation_loop and evolution_loop.
15         (instantiate_scev): New.
16         (instantiate_parameters): Moved...
17         (resolve_mixers): Update call to instantiate_scev_1 to pass the
18         same loop twice.  Maintains the semantics for this function.
19         * tree-scalar-evolution.h (instantiate_scev): Declare.
20         (instantiate_parameters): ...here.  Now static inline.
21         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
22         instead of resolve_mixers.
23
24 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
25
26         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
27
28 2008-05-09  Tomas Bily  <tbily@suse.cz>
29
30         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
31         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
32         * tree-ssa-structalias.c (get_constraint_for): Likewise.
33         * c-common.c (c_common_truthvalue_conversion): Likewise.
34         * tree-object-size.c (compute_object_offset): Likewise.
35         * tree-inline.c (estimate_num_insns_1): Likewise.
36         * varasm.c (const_hash_1, compare_constant, copy_constant)
37         (compute_reloc_for_constant, output_addressed_constants)
38         (initializer_constant_valid_p): Likewise.
39         * c-omp.c (check_omp_for_incr_expr): Likewise.
40         * gimplify.c (gimplify_expr): Likewise.
41         * c-typeck.c (c_finish_return): Likewise.
42         * tree-vectorizer.c (supportable_widening_operation)
43         (supportable_narrowing_operation): Likewise.
44         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
45         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
46         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
47         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
48         (descr_info_loc): Likewise.
49         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
50         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
51         (fold_unary): Likewise.
52         * builtins.c (get_pointer_alignment): Likewise.
53         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
54         (instantiate_parameters_1): Likewise.
55         * tree.c (expr_align, stabilize_reference): Likewise.
56         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
57         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
58         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
59         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
60         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
61         * c-common.c (c_alignof_expr, check_function_arguments_recurse): Likewise.
62         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
63         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
64         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
65         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
66         (forward_propagate_comparison)
67         (tree_ssa_forward_propagate_single_use_vars): Likewise.
68         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
69         * emit-rtl.c (component_ref_for_mem_expr)
70         (set_mem_attributes_minus_bitpos): Likewise.
71         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
72         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr): Likewise.
73         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
74         (build_function_call, pointer_diff, build_compound_expr)
75         (c_finish_return): Likewise.
76         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
77         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1): Likewise.
78         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
79         * expr.c (is_aligning_offset): Likewise.
80         * tree-ssa-alias.c (is_escape_site): Likewise.
81         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
82         (check_all_va_list_escapes): Likewise.
83         * tree-ssa-loop-ivopts.c (determine_base_object)
84         (determine_common_wider_type): Likewise.
85         * dojump.c (do_jump): Likewise.
86         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
87         * tree-gimple.c (is_gimple_cast): Likewise.
88         * fold-const.c (decode_field_reference, )
89         (fold_sign_changed_comparison, fold_unary, fold_comparison)
90         (fold_binary): Likewise.
91         * tree-ssa-alias-warnings.c (find_alias_site_helper)
92         (already_warned_in_frontend_p): Likewise.
93         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
94         * tree.c (really_constant_p, get_unwidened): Likewise.
95         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
96         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
97         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1): Likewise.
98         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use CONVERT_EXPR_P.
99         (CONVERT_EXPR_P): Define.
100         (CASE_CONVERT): Define.
101         
102 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
103
104         PR middle-end/36117
105         * dce.c (deletable_insn_p): Do not delete calls if 
106         df_in_progress.
107         (delete_unmarked_insns): When deleting a call, call 
108         delete_unreachable_blocks.
109         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
110         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed
111         doc.
112         
113 2008-05-08  Richard Guenther  <rguenther@suse.de>
114
115         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
116         (-ftree-salias): Likewise.
117         (salias-max-implicit-fields): Remove param documentation.
118         (salias-max-array-elements): Likewise.
119         * tree-pass.h (pass_create_structure_vars): Remove.
120         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
121         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
122         * tree-ssa-alias.c (create_structure_vars): Remove.
123         (gate_structure_vars): Likewise.
124         (pass_create_structure_vars): Likewise.
125         (gate_build_alias): Likewise.
126         (pass_build_alias): Adjust to run always and dump the function.
127         * common.opt (ftree-salias): Hide.
128         * passes.c (init_optimization_passes): Remove
129         pass_create_structure_vars, adjust comment.
130         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
131         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
132         * opts.c (decode_options): Do not set flag_tree_salias.
133         (common_handle_option): Add OPT_ftree_salias to the backward
134         compatibility section.
135
136 2008-05-08  Richard Guenther  <rguenther@suse.de>
137
138         * tree-flow-inline.h (var_can_have_subvars): Move ...
139         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
140         * tree-flow.h (var_can_have_subvars): Remove.
141         (push_fields_onto_fieldstack): Remove.
142         (sort_fieldstack): Likewise.
143         (struct fieldoff): Move ...
144         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
145         alias_set and base_for_components fields.
146         (sort_fieldstack): Make static.
147         (push_fields_onto_fieldstack): Likewise.  Remove code that
148         handles anything but RECORD_TYPEs.  Remove alias_set and
149         base_for_components handling.
150         (create_variable_info_for): Adjust.
151
152 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
153
154         * common.opt (Wframe-larger-than=): Shorten the help message
155         to one line.
156         * doc/invoke.texi (Wframe-larger-than=): Add more description.
157
158 2008-05-08  Rafael Espindola  <espindola@google.com>
159
160         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
161         trap.
162         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
163         trap and that both operands are gimple values.
164         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
165         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
166         is a fp operation.
167
168 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
169
170         * read-rtl.c (join_c_conditions): Return the first string if the
171         two strings are equal.
172
173 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
174
175         * gensupport.h (pred_data): Add a "num_codes" field.
176         (add_predicate_code): Declare.
177         * gensupport.c (add_predicate_code): New function.
178         (std_pred_table): Add an "allows_const_p" field.
179         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
180         Remove the (incomplete) list of such codes from the codes field.
181         (init_predicate_table): Use add_predicate_code.  Add all
182         RTX_CONST_OBJs if allows_const_p is true.
183         * genrecog.c (process_define_predicate): Use add_predicate_code.
184
185 2008-05-08  David Daney  <ddaney@avtrex.com>
186             Richard Sandiford  <rsandifo@nildram.co.uk>
187         
188         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
189         special case of constant zero operands.
190         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
191         old and new values.  Special case constant zero values.
192         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
193         fails.
194         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
195         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
196
197 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
198
199         PR target/36090
200         * simplify-rtx.c (simplify_plus_minus): Create CONST of
201         similar RTX_CONST_OBJ before CONST_INT.
202
203 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
204
205         * stmt.c (expand_stack_restore): Change sa mode if needed.
206
207 2008-05-08  Richard Guenther  <rguenther@suse.de>
208
209         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
210         return type to bool.
211         (ix86_sol10_return_in_memory): Likewise.
212         (ix86_i386elf_return_in_memory): Likewise.
213         (ix86_i386interix_return_in_memory): Likewise.
214         * config/i386/i386.c (ix86_return_in_memory): Likewise.
215         (ix86_sol10_return_in_memory): Likewise.
216         (ix86_i386elf_return_in_memory): Likewise.
217         (ix86_i386interix_return_in_memory): Likewise.
218
219 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
220
221         PR bootstrap/36180
222         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
223         fndecl argument.
224         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
225         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
226         declared in front.
227
228 2008-05-08  Richard Guenther  <rguenther@suse.de>
229
230         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
231         * tree-data-ref.h (struct dr_alias): Remove subvars field.
232         (DR_SUBVARS): Remove.
233         * tree-dfa.c (dump_subvars_for): Remove.
234         (debug_subvars_for): Likewise.
235         (dump_variable): Do not dump subvars.
236         (remove_referenced_var): Do not remove subvars.
237         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
238         (lookup_subvars_for_var): Remove.
239         (get_subvars_for_var): Likewise.
240         (get_subvars_at): Likewise.
241         (get_first_overlapping_subvar): Likewise.
242         (overlap_subvar): Likewise.
243         * tree-flow.h (subvar_t): Remove.
244         (struct var_ann_d): Remove subvars field.
245         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
246         argument.  Remove special handling of SFTs.
247         (compute_tag_properties): Likewise.
248         (set_initial_properties): Likewise.
249         (compute_call_clobbered): Likewise.
250         (count_mem_refs): Likewise.
251         (compute_memory_partitions): Likewise.
252         (compute_flow_insensitive_aliasing): Likewise.
253         (setup_pointers_and_addressables): Likewise.
254         (new_type_alias): Likewise.
255         (struct used_part): Remove.
256         (used_portions): Likewise.
257         (struct used_part_map): Likewise.
258         (used_part_map_eq): Likewise.
259         (used_part_map_hash): Likewise.
260         (free_used_part_map): Likewise.
261         (up_lookup): Likewise.
262         (up_insert): Likewise.
263         (get_or_create_used_part_for): Likewise.
264         (create_sft): Likewise.
265         (create_overlap_variables_for): Likewise.
266         (find_used_portions): Likewise.
267         (create_structure_vars): Likewise.
268         * tree.def (STRUCT_FIELD_TAG): Remove.
269         * tree.h (MTAG_P): Adjust.
270         (struct tree_memory_tag): Remove base_for_components and
271         unpartitionable flags.
272         (struct tree_struct_field_tag): Remove.
273         (SFT_PARENT_VAR): Likewise.
274         (SFT_OFFSET): Likewise.
275         (SFT_SIZE): Likewise.
276         (SFT_NONADDRESSABLE_P): Likewise.
277         (SFT_ALIAS_SET): Likewise.
278         (SFT_UNPARTITIONABLE_P): Likewise.
279         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
280         (union tree_node): Remove sft field.
281         * alias.c (get_alias_set): Remove special handling of SFTs.
282         * print-tree.c (print_node): Remove handling of SFTs.
283         * tree-dump.c (dequeue_and_dump): Likewise.
284         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
285         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
286         * tree-predcom.c (set_alias_info): Do not set subvars.
287         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
288         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
289         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
290         (add_vars_for_offset): Remove.
291         (add_virtual_operand): Remove special handling of SFTs.
292         (add_call_clobber_ops): Likewise.
293         (add_call_read_ops): Likewise.
294         (get_asm_expr_operands): Likewise.
295         (get_modify_stmt_operands): Likewise.
296         (get_expr_operands): Likewise.
297         (add_to_addressable_set): Likewise.
298         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
299         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
300         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not
301         set subvars.
302         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
303         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
304         (tree_node_structure): Likewise.
305         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
306         handling of SFTs.
307         (find_what_p_points_to): Likewise.
308
309 2008-05-08  Sa Liu  <saliu@de.ibm.com>
310
311         * config/spu/spu.md: Fixed subti3 pattern.
312
313 2008-05-08  Richard Guenther  <rguenther@suse.de>
314
315         PR middle-end/36154
316         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
317         sure to create a representative for trailing arrays for PTA.
318
319 2008-05-08  Richard Guenther  <rguenther@suse.de>
320
321         PR middle-end/36172
322         * fold-const.c (operand_equal_p): Two objects which types
323         differ in pointerness are not equal.
324
325 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
326
327         * calls.c (compute_argument_block_size): Add argument tree fndecl.
328         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
329         (emit_library_call_value_1): Add new variable fndecl initialized by
330         NULL_TREE. It should be the decl type of orgfun, but this information
331         seems not to be available here, so it uses the default calling abi.
332         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
333         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
334         by TARGET_RETURN_IN_MEMORY.
335         * config/i386/i386-interix.h: Likewise.
336         * config/i386/i386.h: Likewise.
337         * config/i386/i386elf.h: Likewise.
338         * config/i386/ptx4-i.h: Likewise.
339         * config/i386/sol2-10.h: Likewise.
340         * config/i386/sysv4.h: Likewise.
341         * config/i386/vx-common.h: Likewise.
342         * config/cris/cris.h: Removed #if 0 clause.
343         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
344         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
345         argument.
346         (ix86_sol10_return_in_memory): Likewise.
347         (ix86_i386elf_return_in_memory): New.
348         (ix86_i386interix_return_in_memory): New.
349         * config/mt/mt-protos.h (mt_return_in_memory): New.
350         * config/mt/mt.c: Likewise.
351         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
352         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
353         * config/bfin/bfin.h: Likewise.
354         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
355         argument.
356         * config/bfin/bfin.c: Likewise.
357         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
358         * config/alpha/unicosmk.h: Likewise.
359         * config/i386/cygming.h: Likewise.
360         * config/iq2000/iq2000.h: Likewise.
361         * config/mips/mips.h: Likewise.
362         * config/mn10300/mn10300.h: Likewise.
363         * config/rs6000/rs6000.h: Likewise.
364         * config/score/score.h: Likewise.
365         * config/spu/spu.h: Likewise.
366         * config/v850/v850.h: Likewise.
367         * defaults.h: Likewise.
368         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
369         * expr.c (emit_block_move): Adjust use of
370         OUTGOING_REG_PARM_STACK_SPACE.
371         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
372         OUTGOING_REG_PARM_STACK_SPACE.
373         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
374
375 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
376
377         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
378         on OMP_RETURN for OMP_FOR.
379
380         PR debug/35896
381         * dwarf2out.c (dw_expand_expr, common_check): Removed.
382         (fortran_common): New function.
383         (gen_variable_die): Call fortran_common instead of common_check,
384         adjust for it returning tree instead of rtx.  Formatting.
385
386 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
387
388         PR rtl/7335
389         PR rtl/33826
390         * see.c (see_copy_insn): Copy new pure const attributes for new call.
391         * c-decl.c (merge_decls): Ditto.
392         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
393         to RTL_CONST_OR_PURE_CALL_P.
394         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
395         Initialized DECL_LOOPING_CONST_PURE.
396         (process_call_operands): Set tree_side_effects properly.
397         * tree.h (TREE_READONLY_DECL_P): Removed.
398         (DECL_IS_PURE): Renamed to DECL_PURE_P.
399         (DECL_LOOPING_OR_CONST_P): New macro.
400         (struct tree_function_decl): Added looping_const_or_pure_p.
401         (ECF_*) Renumbered.
402         (ECF_LOOPING_OR_CONST_P): New macro.
403         * rtlanal.c (pure_const_p): Removed.
404         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
405         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
406         to RTL_CONST_CALL_P.
407         * ipa-pure-const.c (pure_const_state_e): Added looping field.
408         (check_decl, check_tree, check_call, scan_function): Initialize
409         looping.
410         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
411         (static_execute): Set looping true for recursive functions.
412         Undo setting state to IPA_NEITHER for recursive functions.
413         * cse.c (cse_insn): 
414         * ifcvt.c (noce_can_store_speculate_p): Changed
415         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
416         RTL_CONST_OR_PURE_CALL_P.
417         * dse.c (scan_insn): Ditto.
418         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
419         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
420         RTL_CONST_OR_PURE_CALL_P.
421         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
422         pure_call_p to RTL_CONST_CALL_P.
423         * gimplify.c (gimplify_call_expr): Clear side effects for
424         non-looping pure and constant calls.
425         * calls.c (emit_call_1): Set rtl flags from ecf flags.
426         (flags_from_decl_or_type): Set ecf flags from decl flags.
427         (initialize_argument_information): Turn off
428         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
429         Change const to pure if callee_copies is true rather than just
430         turning off const.
431         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
432         way of marking pure calls.
433         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
434         Remove hack that was supposed to fix pr7335 and remove old
435         way of marking pure calls.
436         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
437         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
438         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
439         RTL_CONST_OR_PURE_CALL_P.
440         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
441         * loop-invariant.c (find_exits, find_invariant_bb): Changed
442         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
443         * sched-deps.c (schedule_analyze): Ditto.
444         * rtl.h (struct rtx_def): Use call field, unchanging field, and
445         return_val field of calls to represent pure and const function info.
446         (CONST_OR_PURE_CALL_P): Deleted macro.
447         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
448         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
449         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
450         TREE_READONLY.
451         * tree-optimize.c (execute_fixup_cfg): Added test for
452         ECF_LOOPING_CONST_OR_PURE.
453         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
454         DECL_PURE_P.
455         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
456         effects for looping pure or const calls.
457         (verify_gimple_expr): Added verification code. 
458         * config/alpha/alpha.c (alpha_legitimize_address,
459         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
460         RTL_CONST_CALL_P.
461         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
462         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
463         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
464         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
465         RTL_CONST_OR_PURE_CALL_P.
466         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
467         and const calls to be deleted.
468
469 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
470
471         PR target/35714
472         * config/i386/mmx.md (mmx_subv2sf3): New expander.
473         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
474         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
475         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
476         to handle nonimmediate operands.
477         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
478         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
479         to handle nonimmediate operands.
480         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
481         (mmx_pmulhrwv4hi3): New expander.  Use
482         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
483         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
484         (sse2_umulv1siv1di3): New expander.  Use
485         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
486         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
487         (mmx_eq<mode>3): New expander.  Use
488         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
489         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
490         (mmx_uavgv8qi3): New expander.  Use
491         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
492         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
493         (mmx_uavgv4hi3): New expander.  Use
494         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
495
496         * config/i386/sse.md
497         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
498         to handle nonimmediate operands.
499         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
500         to handle nonimmediate operands.
501         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
502         to handle nonimmediate operands.
503         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
504         to handle nonimmediate operands.
505         (sse2_unpckhpd_exp): New expander.  Use
506         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
507         (sse2_unpcklpd_exp): New expander.  Use
508         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
509         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
510         to handle nonimmediate operands.
511         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
512         to handle nonimmediate operands.
513         (*sse2_<plusminus_insn><mode>3): Rename from
514         sse2_<plusminus_insn><mode>3 insn pattern.
515         (sse2_<plusminus_insn><mode>3): New expander.  Use
516         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
517         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
518         (sse2_umulv2siv2di3): New expander.  Use
519         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
520         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
521         (sse4_1_mulv2siv2di3): New expander.  Use
522         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
523         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
524         (sse2_pmaddwd): New expander.  Use
525         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
526         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
527         (sse2_eq<mode>3): New expander.  Use
528         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
529         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
530         (sse4_1_eqv2di3): New expander.  Use
531         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
532         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
533         (sse2_uavgv16qi3): New expander.  Use
534         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
535         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
536         (sse2_uavgv16qi3): New expander.  Use
537         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
538         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
539         (sse2_uavgv8hi3): New expander.  Use
540         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
541         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
542         (ssse3_pmulhrswv8hi3): New expander.  Use
543         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
544         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
545         (ssse3_pmulhrswv4hi3): New expander.  Use
546         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
547
548         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
549         (<sse>_vmmul<mode>3): Ditto.
550         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
551         (divv2df3): Ditto.
552         (ssse3_pmaddubsw128): Use register_operand for operand 1.
553         (ssse3_pmaddubsw): Ditto.
554
555         * config/i386/i386.c (struct_builtin_description)
556         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
557         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
558         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
559         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
560         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
561         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
562         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
563         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
564         (ix86_fixup_binary_operands): Assert that src1
565         and src2 must have the same mode when swapped.
566         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
567         and ix86_binary_operator_ok.  Do not force operands in registers
568         when optimizing.
569
570 2008-05-07  Jan Hubicka  <jh@suse.cz>
571
572         * cgraph.c (dump_cgraph_node): Update.
573         * cgraph.h (cgraph_local_info): Break out inline summary.
574         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
575         hook.
576         * ipa-inline (inline_summary): New accestor function.
577         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
578         cgraph_decide_inlining, compute_inline_parameters): Update.
579         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
580
581 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
582
583         Cleanup ColdFire scheduling support and add V4 pipeline model.
584
585         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
586         (define_attr cpu): Add cfv4 value.
587         (define_attr type, define_attr type1): Merge into a single 'type'
588         attribute.  Update all uses.
589         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
590         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
591         Update all uses.
592         (define_attr opx_mem, define_attr opy_mem): Remove.
593         (define_attr op_mem): Clean up, update comment.
594         (define_attr size): Use specific values instead of general int.
595         (define_attr guess, define_attr split): Remove.  Update all uses.
596         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
597         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
598         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
599         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
600         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
601         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
602         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
603         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
604         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
605         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
606         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
607         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
608         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
609         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
610         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
611         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
612         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
613         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
614         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
615         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
616         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
617         Update or set attributes.
618         (stack_tie): New fake instruction.
619
620         * config/m68k/m68k.h (TUNE_CFV4): New macro.
621         (m68k_sched_attr_size): Update declaration.
622         (m68k_sched_attr_type2): Remove.
623         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
624         Declare new bypass predicates.
625
626         * config/m68k/m68k.c (m68k_sched_issue_rate,
627         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
628         implementations.
629         (TARGET_SCHED_ISSUE_RATE,
630         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
631         (override_options): Handle scheduling for ColdFire V4 core.
632         (m68k_expand_prologue): Emit stack_tie.
633         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
634         'OP_TYPE_FPN'.  Update all uses.
635         (sched_guess_p): Remove.
636         (sched_address_type): Handle symbolic addresses.
637         (sched_get_operand): New static function.
638         (sched_operand_type): Merge into sched_attr_op_type.
639         (sched_attr_op_type): Handle FP registers, handle quick constants,
640         update.
641         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
642         (m68k_sched_attr_size): Update.  Move logic to ...
643         (sched_get_attr_size_int): New static function.
644         (sched_get_opxy_mem_type): New static function.
645         (m68k_sched_attr_op_mem): Update.
646         (m68k_sched_attr_type2): Remove.
647         (sched_cfv4_bypass_data): New static variable.
648         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
649         (m68k_sched_issue_rate): Implement scheduler hook.
650         (struct _sched_ib: enabled_p): New field.
651         (m68k_sched_variable_issue): Update.  Handle V4.
652         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
653         sched_dump_class_func_t, sched_dump_split_class,
654         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
655         sched_dump_dfa_class, m68k_sched_dump): Remove.
656         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
657         hook.
658         (m68k_sched_init_global): Remove statisctics dumping, introduce
659         sanity check that all instructions have pipeline reservations.  Handle
660         ColdFire V4 core.
661         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
662         Handle ColdFire V4 core.
663         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
664         New static functions.
665         (m68k_sched_address_bypass_p): New bypass predicate.
666         (sched_get_indexed_address_scale): New static function.
667         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
668
669         * cf.md: Update comments.
670         (define_attr type2): Remove.  Use 'type' attribute instead.
671         Update all uses.
672         (cf_ib): Rename to cfv123_ib.  Update all uses.
673         (cf_oep): Rename to cfv123_oep.  Update all uses.
674         (cf_chr): Rename to cfv123_chr.  Update all uses.
675         (cf_mem): Rename to cfv123_mem.  Update all uses.
676         (cf_mac): Move to more appropriate place.
677         (cfv123_guess): New automaton and cpu_unit.
678         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
679         Update uses of 'size' attribute.  Handle before reload scheduling.
680         (cfv123_guess): New dummy reservation for unhandled instructions.
681         (cfv4_*): Pipeline description of ColdFire V4 core.
682         (ignore): New reservation to handle 'ignore' type.
683
684 2008-05-07  Ian Lance Taylor  <iant@google.com>
685
686         PR middle-end/36013
687         * gimplify.c (find_single_pointer_decl_1): Don't look through
688         indirections.
689         (find_single_pointer_decl): Adjust comments.
690
691 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
692
693         PR middle-end/36137
694         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
695         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
696
697         PR middle-end/36106
698         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
699         integral type rather than floating point, then VIEW_CONVERT_EXPR
700         to the floating point type.
701
702 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
703
704         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
705         TFmode op0 to register.
706
707 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
708
709         * c-decl.c (grokdeclarator): Comment typo.
710
711 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
712
713         * tree-flow.h: Remove prototype for computed_goto_p.
714         * tree-cfg.c (computed_goto_p): Make static.
715
716 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
717
718         PR target/35657
719         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
720         (contains_aligned_value_p): This.  Handle _Decimal128.
721         (ix86_function_arg_boundary): Only align _Decimal128 to its
722         natural boundary and handle it properly.
723
724 2008-05-06  Martin Jambor  <mjambor@suse.cz>
725
726         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
727         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
728         (ipcp_method_set_orig_node): Removed.
729         (ipcp_cval_get_cvalue_type): Removed.
730         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
731         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
732         (ipcp_cval_set_cvalue_type): Removed.
733         (ipcp_cval_get_cvalue): Removed.
734         (ipcp_cval_set_cvalue): Removed.
735         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
736         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
737         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
738         (ipcp_cval_meet): Renamed to ipa_lattice_meet
739         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
740         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
741         (ipcp_get_ith_lattice): Changed parameters.
742         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
743         (ipcp_lattice_from_jfunc): Changed parameters.
744         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
745         (ipcp_method_cval_print): Added temporary variable info.
746         (ipcp_redirect): Removed already unused local variable caller.
747         (ipcp_redirect): New temporary variable orig_callee_info
748         (ipcp_redirect): Removed newly unused local variable callee.
749         (ipcp_redirect): Removed (a bit confusing) local variable type.
750         (ipcp_insert_stage): Added local variable info.
751         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
752         renamed too
753         (ipcp_formal_create): Removed.
754         (ipcp_method_cval_set): Removed.
755         (ipcp_propagate_stage): Renamed lattice variables.
756         (ipcp_method_cval_set_cvalue_type): Removed.
757         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
758         (ipcp_print_all_lattices): Changed printed strings to refer to 
759         lattices rather than cvals.
760         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
761         (ipcp_propagate_const): Changed formal parameters.
762         (build_const_val): Changed formal parameters.
763         (ipcp_insert_stage): Removed useless variable cvalue
764         (build_const_val): Changed formal parameters.
765         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
766         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
767         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
768         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
769         (ipcp_print_func_profile_counts): Changed string from "method" to 
770         "function"
771         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
772         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
773         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
774         (ipcp_structures_print): Renamed to ipcp_print_all_structures
775         (ipcp_profile_print): Renamed to ipcp_print_profile_data
776         (ipcp_lat_is_const): Changed parameters and made inline.
777         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
778         (ipcp_redirect): Renamed to ipcp_need_redirect_p
779         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
780         the predicate condition directly
781         (ipcp_propagate_stage): Added local variable args. Removed local
782         variable callee.  (Both are mere code simplifications.)
783         (ipcp_method_dont_insert_const): Renamed to
784         ipcp_node_not_modifiable_p.
785         (ipcp_node_not_modifiable_p): Made inline.
786         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
787         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
788         (ipcp_print_all_lattices): Removed variable cvalue
789         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
790         Updated comments.
791
792 2008-05-06  Olivier Hainque  <hainque@adacore.com>
793
794         * tree-sra.c (try_instantiate_multiple_fields): Early return
795         if field has POINTER_TYPE.
796
797 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
798
799         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
800         by using 'q' specifier for instruction.
801         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
802
803 2008-05-06  Anatoly Sokolov <aesok@post.ru>
804
805         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
806         Change mode of zero_extract from QImode to HImode.
807         (sign bit tests peepholes): (Ditto.).
808
809 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
810
811         * config/i386/mmx.md: Remove double backslashes from asm templates.
812         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
813         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
814         to handle nonimmediate operands.
815         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
816         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
817         to handle nonimmediate operands.
818         (*mmx_<code>v2sf3_finite): New insn pattern.
819         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
820         (mmx_<code>v2sf3): New expander.  Use
821         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
822         (mmx_<plusminus_insn><mode>3): New expander.  Use
823         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
824         (*mmx_<plusminus_insn><mode>3): New insn pattern.
825         (mmx_add<mode>3): Removed.
826         (mmx_ssadd<mode>3): Ditto.
827         (mmx_usadd<mode>3): Ditto.
828         (mmx_sub<mode>3): Ditto.
829         (mmx_sssub<mode>3): Ditto.
830         (mmx_ussub<mode>3): Ditto.
831         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
832         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
833         to handle nonimmediate operands.
834         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
835         insn pattern.
836         (mmx_smulv4hi3_highpart): New expander.  Use
837         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
838         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
839         insn pattern.
840         (mmx_umulv4hi3_highpart): New expander.  Use
841         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
842         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
843         (mmx_<code>v4hi3): New expander.  Use
844         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
845         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
846         (mmx_<code>v8qi3): New expander.  Use
847         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
848         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
849         (mmx_<code><mode>3): New expander.  Use
850         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
851
852 2008-05-05  Jan Hubicka  <jh@suse.cz>
853
854         PR tree-optimization/36118
855         * passes.c (pass_init_dump_file): Fix dump header.
856
857 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
858
859         PR middle-end/36141
860         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
861         VCE for function decls.
862
863 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
864
865         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
866
867 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
868
869         * config/i386/i386.md (sat_plusminus): New.
870         (plusminus_insn): Likewise.
871         (plusminus_mnemonic): Likewise.
872         (addsub): Removed.
873         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
874         (*<addsub><mode>3_cc_overflow): Renamed to ...
875         (*<plusminus_insn><mode>3_cc_overflow): This.
876         (*<addsub>si3_zext_cc_overflow): Renamed to ...
877         (*<plusminus_insn>si3_zext_cc_overflow): This.
878
879         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
880         (<plusminus_insn><mode>3): This.
881         (*<addsub><mode>3): Renamed to ...
882         (*<plusminus_insn><mode>3): This.
883         (<sse>_vm<addsub><mode>3): Renamed to ...
884         (<sse>_vm<plusminus_insn><mode>3): This.
885         (sse3_h<addsub>v4sf3): Renamed to ...
886         (sse3_h<plusminus_insn>v4sf3): This.
887         (sse3_h<addsub>v2df3): Renamed to ...
888         (sse3_h<plusminus_insn>v2df3): This.
889         (<plusminus_insn><mode>3): New.
890         (*<plusminus_insn><mode>3): Likewise.
891         (sse2_<plusminus_insn><mode>3): Likewise.
892         (add<mode>): Removed.
893         (*add<mode>3): Likewise.
894         (sse2_ssadd<mode>3): Likewise.
895         (sse2_usadd<mode>3): Likewise.
896         (sub<mode>3): Likewise.
897         (*sub<mode>3): Likewise.
898         (sse2_sssub<mode>3): Likewise.
899         (sse2_ussub<mode>3): Likewise.
900
901 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
902
903         * gthr-single.h: Add in required interface elements as per gthr.h.
904         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
905         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
906         Generalize UNUSED macro. 
907         (__gthread_once): Add.
908         (__gthread_key_create): Add.
909         (__gthread_key_delete): Add.
910         (__gthread_getspecific): Add.
911         (__gthread_setspecific): Add.
912         
913 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
914
915         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
916         the same size types for the indirect reference on the rhs, then
917         create a VCE.
918
919 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
920
921         * config/i386/i386.md
922         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
923         one insn template instead of template series.
924         (*xordi_1_rex64): Ditto.
925         (*xordi_2_rex64): Ditto.
926
927 2008-05-05  Ira Rosen  <irar@il.ibm.com>
928
929         PR tree-optimization/36119
930         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
931         in case of SLP.
932
933 2008-06-04  Jan Hubicka  <jh@suse.cz>
934
935         tree-optimization/36100
936         * tree-pass.h (pass_O0_always_inline): Declare.
937         * ipa-inline.c (inline_transform): Remove dead code.
938         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
939         pass_O0_always_inline): New.
940         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
941
942 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
943
944         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
945         mnemonic in this_param move for TARGET_64BIT.
946
947 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
948
949         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
950         (*strmovsi_rex_1): Ditto.
951         (*strsetsi_1): Ditto.
952         (*strsetsi_rex_1): Ditto.
953
954         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
955         adddicc expanders using SWI mode iterator.
956
957 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
958
959         PR target/36121
960         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
961         argument handling.
962
963 2008-05-04  David S. Miller  <davem@davemloft.net>
964
965         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
966         (sparc*-*-linux*): Use linux.h in tm_file.
967         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
968         compiler defaulting to 32-bit.
969         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
970         no longer needed.
971         * config/sparc/linux.h: Remove definitions now obtained
972         properly from linux.h
973         * config/sparc/linux64.h: Likewise.
974         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
975         don't want this setting for 32-bit builds in a biarch compiler.
976         * doc/install.texi: Add sparc-linux to list of targets
977         supporting --enable-targets=all.
978
979 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
980
981         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
982
983 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
984
985         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
986         after V4SI_FTYPE_V8HI.
987         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
988         case V4SI_FTYPE_V2DF.
989
990 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
991
992         * doc/invoke.texi (max-flow-memory-locations): Removed.
993         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
994         
995 2008-05-03  Richard Guenther  <rguenther@suse.de>
996
997         PR middle-end/34973
998         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
999
1000 2008-05-02  David S. Miller  <davem@davemloft.net>
1001
1002         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1003
1004 2008-05-02  Simon Baldwin <simonb@google.com>
1005
1006         PR bootstrap/36108
1007         * c-common.h (warn_array_subscript_range): Removed.
1008         * c-common.c (warn_array_subscript_range): Ditto.
1009         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1010         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1011
1012 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1013
1014         * config/i386/i386.c (ix86_special_builtin_type): New.
1015         (bdesc_special_args): Likewise.
1016         (ix86_expand_special_args_builtin): Likewise.
1017         (ix86_init_mmx_sse_builtins): Updated.
1018         (ix86_expand_builtin): Updated.
1019         (ix86_expand_store_builtin): Removed.
1020         (ix86_expand_unop_builtin): Likewise.
1021
1022         * config/i386/mm3dnow.h (__v2sf): Moved to ...
1023         * config/i386/mmintrin.h (__v2sf): Here.
1024
1025         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
1026         const __v2sf.
1027         (_mm_loadl_pi): Likewise.
1028         (_mm_storeh_pi): Replace __v2si with __v2sf.
1029         (_mm_storel_pi): Likewise.
1030
1031         * doc/extend.texi: Correct __builtin_ia32_loadhps,
1032         __builtin_ia32_loadlps, __builtin_ia32_storehps,
1033         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
1034         __builtin_ia32_loadlpd.
1035
1036 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1037
1038         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
1039         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
1040         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
1041         (ix86_init_mmx_sse_builtins): Updated.
1042         (ix86_expand_args_builtin): Likewise.
1043         (ix86_expand_builtin): Likewise.
1044         (ix86_expand_unop1_builtin): Renamed to ...
1045         (ix86_expand_unop_vec_merge_builtin): This.
1046
1047 2008-05-01  Jan Hubicka  <jh@suse.cz>
1048
1049         PR bootstrap/36100
1050         * ipa-inline.c (inline_generate_summary): Make static.
1051         (inline_transform): Do not call inlining at -O0; make static.
1052         * passes.c (execute_todo): Add sanity check.
1053         (execute_one_ipa_transform_pass): Execute proper flags.
1054
1055 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
1056
1057         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
1058         (DECL_NONADDRESSABLE_P): Likewise.
1059         * alias.c (record_component_aliases): Fix comment.
1060
1061 2008-05-01  Simon Baldwin <simonb@google.com>
1062
1063         * c-common.h (warn_array_subscript_range): New function.
1064         * c-common.c (warn_array_subscript_range): Ditto.
1065         * tree-vrp.c (check_array_ref): Corrected code to agree with
1066         comment, ignoring only arrays of size 0 or size 1.
1067         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
1068
1069 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1070
1071         * config/i386/i386.c (ix86_builtin_type): Replace
1072         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
1073         (bdesc_args): Updated.
1074         (ix86_init_mmx_sse_builtins): Likewise.
1075         (ix86_expand_args_builtin): Likewise.
1076
1077         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
1078         with __v1di.
1079
1080         * doc/extend.texi: Correct __builtin_ia32_palignr.
1081
1082 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1083
1084         PR target/36095
1085         * config/i386/i386.c (bdesc_crc32): Removed.
1086         (ix86_expand_crc32): Likewise.
1087         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
1088         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
1089         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
1090         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
1091         UINT_FTYPE_UINT_UCHAR.
1092         (bdesc_args): Updated. Add crc32 builtins.
1093         (ix86_init_mmx_sse_builtins): Updated.
1094         (ix86_expand_args_builtin): Updated to support subreg.
1095
1096         * doc/extend.texi: Correct __builtin_ia32_crc32di.
1097
1098 2008-05-01  Jan Hubicka  <jh@suse.cz>
1099
1100         * tree-pass.h (opt_pass): Add IPA_PASS.
1101         (varpool_node, cgraph_node): Forward declare.
1102         (ipa_opt_pass): Define.
1103         (pass_ipa_inline): Turn into ipa_opt_pass.
1104         (pass_apply_inline): Remove.
1105         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
1106         (apply_inline): Turn into ....
1107         (inline_transform): ... this one.
1108         (inline_generate_summary): New function.
1109         (pass_apply_inline): Remove.
1110         * function.h (ipa_opt_pass): Forward declare structure; typedef;
1111         vector.
1112         (struct function): Add ipa_transforms_to_apply.
1113         * passes.c (register_one_dump_file): Work on IPA_PASS.
1114         (init_optimization_passes): Remove pass_inline_parameters and
1115         pass_apply_inline.
1116         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
1117         (execute_one_pass) ... here; apply transforms when possible.
1118         (add_ipa_transform_pass, execute_ipa_summary_asses,
1119         execute_one_ipa_transform_pass): New.
1120         (execute_ipa_pass_list): Update for IPA_PASS type.
1121
1122 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1123
1124         * config/i386/i386.c (ix86_builtin_type): Add
1125         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
1126         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
1127         (bdesc_args): Add SSE4a builtins.
1128         (ix86_init_mmx_sse_builtins): Updated.
1129         (ix86_expand_args_builtin): Likewise.
1130         (ix86_expand_builtin): Likewise.
1131
1132 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1133
1134         * config/i386/i386.c (ix86_builtin_type): Add
1135         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
1136         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
1137         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
1138         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
1139         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
1140         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
1141         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
1142         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
1143         and DI_FTYPE_DI_DI_INT.
1144         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
1145         (ix86_init_mmx_sse_builtins): Updated.
1146         (ix86_expand_args_builtin): Likewise.
1147         (ix86_expand_builtin): Likewise.
1148         (ix86_expand_binop_imm_builtin): Removed.
1149
1150         * doc/extend.texi: Correct __builtin_ia32_palignr128.
1151
1152 2008-04-30  Richard Guenther  <rguenther@suse.de>
1153
1154         PR tree-optimization/32921
1155         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
1156
1157 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1158
1159         * config/arm/arm.c (arm_unwind_emit): Use
1160         crtl->all_throwers_are_sibcalls instead of
1161         cfun->all_throwers_are_sibcalls.
1162         (arm_output_fn_unwind): Likewise.
1163         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
1164         instead of cfun->uses_pic_offset_table.
1165         (frv_expand_prologue): Likewise.
1166         (frv_frame_pointer_required): Likewise.
1167         (frv_expand_fdpic_call): Likewise.
1168         (frv_emit_movsi): Likewise.
1169         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
1170         cfun->returns_pcc_struct instead of
1171         current_function_returns_pcc_struct.
1172         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
1173         instead of cfun->calls_eh_return.
1174         (m32c_pushm_popm): Likewise.
1175         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
1176         "extern" declaration.
1177
1178 2008-04-30  Richard Guenther  <rguenther@suse.de>
1179
1180         PR tree-optimization/21636
1181         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
1182         constant address.
1183         (evaluate_stmt): Print the likely value.
1184         (ccp_visit_stmt): Avoid excessive vertical spacing.
1185
1186 2008-04-30  Rafael Espindola  <espindola@google.com>
1187
1188         * builtins.c (fold_call_expr): Return realret.
1189         * tree-ssa-threadedge.c
1190         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1191         __builtin_object_size.
1192
1193 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
1194
1195         * gcc.c (wrapper_string): New variable.
1196         (insert_wrapper): New function.
1197         (execute): New option -wrapper.
1198         * doc/invoke.texi (Overall Options): New driver option -wrapper.
1199
1200 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
1201
1202         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
1203         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
1204         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
1205         from...
1206         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
1207         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
1208         config/rs6000/e500crtres64gprctr.asm,
1209         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
1210         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
1211         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
1212         config/rs6000/e500crtsav64gprctr.asm,
1213         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
1214         config/rs6000/e500crtsavg64gprctr.asm: New files.
1215         * config/rs6000/t-ppccomm: Add build rules for new files.
1216         (LIB2FUNCS_STATIC_EXTRA): Add new files.
1217         * config/rs6000/t-netbsd: Add build rules for new files.
1218         (LIB2FUNCS_STATIC_EXTRA): New variable.
1219         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
1220         (CRTSAVRES_DEFAULT_SPEC): Likewise.
1221         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
1222
1223 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
1224
1225         * config/i386/i386.c (ix86_builtin_type): Add
1226         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
1227         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
1228         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
1229         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
1230         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
1231         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
1232         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
1233         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
1234         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
1235         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
1236         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
1237         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
1238         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
1239         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
1240         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
1241         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
1242         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
1243         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
1244         V1DI_FTYPE_V2SI_V2SI.
1245         (bdesc_2arg): Moved to ...
1246         (bdesc_args): Here.
1247         (ix86_init_mmx_sse_builtins): Updated.
1248         (ix86_expand_args_builtin): Updated.  Take a pointer
1249         to const struct builtin_description.  Handle comparison
1250         builtin functions.
1251         (ix86_expand_sse_compare): Take a new argument for swapping operands.
1252         (ix86_expand_builtin): Updated.
1253
1254         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
1255         (ssse3_pmaddubsw128): This.
1256         (ssse3_pmaddubswv4hi3): Renamed to ...
1257         (ssse3_pmaddubsw): This.
1258
1259         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
1260         (__builtin_ia32_packssdw128): Likewise.
1261         (__builtin_ia32_packuswb128): Likewise.
1262         (__builtin_ia32_pmaddubsw): Likewise.
1263         (__builtin_ia32_pmaddubsw128): Likewise.
1264
1265 2008-04-30  Richard Guenther  <rguenther@suse.de>
1266
1267         PR tree-optimization/14847
1268         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
1269         (recognize_bits_test): Use it.
1270         (recognize_single_bit_test): Likewise.
1271
1272 2008-04-30  Martin Jambor  <mjambor@suse.cz>
1273
1274         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
1275         instead of setting number of formal parameters to zero.
1276         (ipcp_init_stage): Do not set the number of actual parameters to zero 
1277         either.
1278         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
1279         which are called with variable number of arguments.
1280         (ipcp_insert_stage): Explicitely skipping all nodes which are
1281         called with variable number of arguments.
1282         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
1283         number of parameters.
1284
1285         * ipa-prop.h (struct ipa_node_params): Added flag
1286         called_with_var_arguments
1287         (ipa_set_param_count): Added.  Changed sole setter to use it.
1288         (ipa_get_param_count): Added.  All readers of param_count
1289         converted to use it instead.
1290         (ipa_set_called_with_variable_arg): Added.
1291         (ipa_is_called_with_var_arguments): Added.
1292         (ipa_get_ith_param): Added.  All readers of param_decls converted
1293         to use it instead.
1294         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
1295         changed to use it. 
1296         (ipa_get_cs_argument_count): Added, all readers of argument_count
1297         changed to cal it.
1298         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
1299         to use it.
1300         
1301         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
1302         (struct ipcp_lattice): Renamed cval_type to type
1303         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
1304
1305         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
1306         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
1307         (ipcp_insert_stage): Changed the type of variable cvalue to tree
1308         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
1309         (build_const_val): Changed the type of parameter cvalue to tree
1310         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
1311         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
1312         
1313         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
1314         constant 
1315
1316         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
1317         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
1318         (ipa_add_method): Renamed to ipa_push_func_to_list
1319         (ipa_remove_method): Renamed to ipa_pop_func_from_list
1320         (ipa_callsite_param_count): Removed.
1321         (ipa_callsite_param_count_set): Removed.
1322         (ipa_callsite_param): Removed.
1323         (ipa_callsite_callee): Removed.
1324         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
1325         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
1326         (ipa_method_formal_count): Removed.
1327         (ipa_method_formal_count_set): Removed.
1328         (ipa_method_get_tree): Removed.
1329         (ipa_method_tree_map_create): Removed.
1330         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
1331         (ipa_create_param_decls_array): Creates the array itself
1332         (ipa_create_param_decls_array): Temporary variable info instead of 
1333         a few dereferences.
1334         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
1335         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
1336         (get_type): Removed.
1337         (ipa_jf_get_info_type): Removed.
1338         (ipa_node_create): Renamed to ipa_create_node_params
1339         (ipa_free): Renamed to ipa_free_all_node_params
1340         (ipa_nodes_create): Renamed to ipa_create_all_node_params
1341         (ipa_edges_create): Renamed to ipa_create_all_edge_args
1342         (ipa_edges_free): Renamed to ipa_free_all_edge_args
1343         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
1344         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
1345         ipa_free_all_edge_args
1346         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
1347         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
1348         (ipa_create_methodlist_node): Removed.
1349         (ipa_methodlist_method): Removed.
1350         (ipa_methodlist_method_set): Removed.
1351         (ipa_methodlist_next_method): Removed.
1352         (ipa_methodlist_next_method_set): Removed.
1353         (ipa_method_is_modified): Removed.
1354         (ipa_method_modify_create): Removed.
1355         (ipa_method_modify_init): Temporary variable info instead of a few 
1356         dereferences.
1357         (ipa_detect_param_modifications): Temporary variable info instead of 
1358         a few dereferences.
1359         (ipa_compute_jump_functions): Temporary variable info instead of 
1360         a few dereferences.
1361         (ipa_method_modify_set): Removed.
1362         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
1363         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
1364         than craph_node as the first parameter.
1365         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
1366         (ipa_method_modify_init): Removed.
1367         (ipa_compute_jump_functions): Added a temp variable instead of 
1368         repeatadly dereferencing the cgraph_edge.aux pointer
1369         (ipa_callsite_param_set_type): Removed.
1370         (ipa_compute_jump_functions): i renamed to index and moved to 
1371         an inner block
1372         (ipa_callsite_param_set_info_type_formal): Removed.
1373         (ipa_callsite_param_set_info_type): Removed.
1374         (ipa_callsite_param_map_create): Removed.
1375         (ipa_callsite_tree): Removed.
1376         (ipa_callsite_caller): Removed.
1377         (ipa_pop_func_from_list): return_method removed to return_func
1378
1379         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
1380         prefixed all values with IPA_. Changed all users.
1381         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
1382         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
1383         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
1384         (union parameter_info): Renamed to jump_func_value.
1385         (union jump_func_value): Renamed value to constant
1386         (struct ipa_jump_func): Renamed info_type to value
1387         (struct ipa_node): Renamed to ipa_node_params
1388         (struct ipa_node_params): Renamed ipa_arg_num to param_count
1389         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
1390         (struct ipa_node_params): Renamed ipa_mod to modified_flags
1391         (struct ipa_edge): Renamed to ipa_edge_args
1392         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
1393         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
1394         (struct ipa_methodlist): Renamed to ipa_func_list
1395         (struct ipa_func_list): method_p renamed to node, next_method
1396         renamed to next
1397         (ipa_methodlist_p): Removed, switched all users to struct pointer
1398         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
1399
1400 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
1401
1402         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
1403         (rs6000_emit_epilogue): Use backchain to restore only when we
1404         have a large frame.  Make use of frame pointer to restore if we
1405         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
1406
1407 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
1408
1409         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1410         Add mode to zero_extract.
1411         (sign bit tests peepholes): (Ditto.).
1412
1413 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1414
1415         * config/i386/i386.c (ix86_builtins): Replace Prescott New
1416         Instructions in comments with SSE3.
1417         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
1418         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
1419         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
1420         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
1421         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
1422         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
1423         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
1424         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
1425         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
1426         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
1427         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
1428         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
1429         (bdesc_sse_args): Renamed to ...
1430         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
1431         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
1432         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
1433         IX86_BUILTIN_FABSQ.
1434         (bdesc_1arg): Moved to ...
1435         (bdesc_args): Here.
1436         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
1437         Instructions in comments with SSE3.
1438         (ix86_expand_sse_operands_builtin): Renamed to ...
1439         (ix86_expand_args_builtin): This.  Updated.
1440         (ix86_expand_unop1_builtin): Update comments.
1441         (ix86_expand_builtin): Updated.
1442
1443 2008-04-29  Richard Guenther  <rguenther@suse.de>
1444
1445         PR tree-optimization/36078
1446         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
1447         Update virtual SSA form after cleaning up the CFG.
1448
1449 2008-04-29  Richard Guenther  <rguenther@suse.de>
1450
1451         PR middle-end/15255
1452         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
1453
1454 2008-04-29  Richard Guenther  <rguenther@suse.de>
1455
1456         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
1457         (compute_may_aliases): Do not call finalize_ref_all_pointers.
1458         (compute_flow_insensitive_aliasing): Do not treat
1459         PTR_IS_REF_ALL pointers special.
1460         (get_smt_for): Likewise.
1461         (may_alias_p): Re-structure.
1462         (is_escape_site): A ref-all pointer conversion is not an escape site.
1463         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
1464         PTR_IS_REF_ALL pointers special.
1465         * tree-ssa-structalias.h (struct alias_info): Remove
1466         ref_all_symbol_mem_tag field.
1467         (PTR_IS_REF_ALL): Remove.
1468
1469 2008-04-29  Richard Guenther  <rguenther@suse.de>
1470
1471         PR middle-end/36077
1472         * fold-const.c (extract_muldiv_1): In combining division constants
1473         make sure to never overflow.
1474
1475 2008-04-29  Nick Clifton  <nickc@redhat.com>
1476
1477         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
1478
1479 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1480
1481         PR bootstrap/35169
1482         * optc-gen.awk: Work around HP-UX/IA awk bug.
1483
1484 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
1485
1486         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
1487         2008-04-25 commit.
1488
1489 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
1490
1491         PR target/36073
1492         * config/i386/i386.md
1493         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
1494         Change operand 1 predicate to nonimmediate_operand.
1495
1496 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
1497
1498         PR debug/36060
1499         * dwarf2out.c (struct die_struct): Mark as chain_circular through
1500         die_sub field.
1501         * gengtype.c (walk_type, write_func_for_structure): Handle
1502         chain_circular.
1503         * doc/gty.texi: Document chain_circular.
1504
1505 2008-04-28  Richard Guenther  <rguenther@suse.de>
1506
1507         PR tree-optimization/36066
1508         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
1509         SCEV and loop.
1510
1511 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
1512
1513         PR target/36064
1514         * config/i386/i386.md
1515         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
1516         Use match_scratch instead of match_operand for operands 3 and 4.
1517
1518 2008-04-27  Richard Guenther  <rguenther@suse.de>
1519
1520         PR tree-optimization/18754
1521         PR tree-optimization/34223
1522         * tree-pass.h (pass_complete_unrolli): Declare.
1523         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
1524         loop size before and after unconditionally of UL_NO_GROWTH in effect.
1525         Rewrite loop into loop closed SSA form if it is not already.
1526         (tree_unroll_loops_completely): Re-structure to iterate over
1527         innermost loops with intermediate CFG cleanups.
1528         Unroll outermost loops only if requested or the code does not grow
1529         doing so.
1530         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
1531         loops are available.
1532         (tree_vectorize): Instead do so here.
1533         (tree_complete_unroll): Also unroll outermost loops.
1534         (tree_complete_unroll_inner): New function.
1535         (gate_tree_complete_unroll_inner): Likewise.
1536         (pass_complete_unrolli): New pass.
1537         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
1538         uses outside of the loop.
1539         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
1540         form if it is available.  
1541         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
1542         * passes.c (init_optimization_passes): Schedule complete inner
1543         loop unrolling pass before the first CCP pass after final inlining.
1544
1545 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1546
1547         * targhooks.h (default_emutls_var_fields,
1548         default_emutls_var_init): Declare.
1549         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
1550         * target.h (struct gcc_target): Add struct emutls member.
1551         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
1552         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
1553         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
1554         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
1555         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
1556         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
1557         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
1558         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
1559         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
1560         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
1561         emit debug information.
1562         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
1563         * varasm.c: Include targhooks.h.
1564         (emutls_object_section, emutls_tmpl_section): New.
1565         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
1566         (EMUTLS_SEPARATOR): New.
1567         (prefix_name): New.
1568         (get_emutls_object_name): New.
1569         (default_emutls_var_fields): New, broken out of ...
1570         (get_emutls_object_type): ... here.  Adjust to use target hooks.
1571         (get_emutls_init_templ_addr): Adjust to use target hooks.
1572         (emutls_decl): Adjust to use target hooks.
1573         (emutls_finish): Likewise.
1574         (default_emutls_var_init): New, broken out of ...
1575         (assemble_variable): ... here.  Adjust to use target hooks.
1576         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
1577         SECCAT_EMUTLS_TMPL.
1578         * c-common.c (handle_section_attribute): Prevent overriding
1579         sections for emulated tls with special sections.
1580         * config/i386/i386.c (x86_64_elf_select_section): Add
1581         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
1582         (x86_64_elf_unique_section): Likewise.
1583         * config/vxworks.c: Include tree.h.
1584         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
1585         (vxworks_override_options): Set TLS scheme.
1586         * doc/tm.texi (Emulated TLS): New node.
1587
1588 2008-04-26  Simon Baldwin <simonb@google.com>
1589
1590         PR c/35652
1591         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
1592         with propagated string constants.
1593
1594 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
1595
1596         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
1597         constraint for operand 2 when operand 0 is memory operand.
1598         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
1599         operand 0 is memory operand.
1600         (fix_trunc<mode>_i387_with_temp): Ditto.
1601         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
1602         operand 2 when operand 1 is memory operand.
1603         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
1604         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
1605         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
1606         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
1607         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
1608         operands 2,3 and 4 when operand 1 is memory operand.
1609         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
1610         is memory operand.
1611         (fistdi2_floor_with_temp): Ditto.
1612         (fist<mode>2_floor_with_temp): Ditto.
1613         (fistdi2_ceil_with_temp): Ditto.
1614         (fist<mode>2_ceil_with_temp): Ditto.
1615         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
1616
1617 2008-04-26  David Daney  <ddaney@avtrex.com>
1618
1619         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
1620         unspec_volitile.
1621         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
1622         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
1623         UNSPEC_UPDATE_GOT_VERSION): Renumber.
1624         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
1625         (compare_and_swap_12): New insn.
1626         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
1627         * config/mips/mips.c (mips_force_binary): New function.
1628         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
1629         (mips_expand_compare_and_swap_12): New function.
1630         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
1631
1632 2008-04-25  Jan Hubicka  <jh@suse.cz>
1633
1634         PR testsuite/35843
1635         * cfgexpand.c (pass_expand): Turn into RTL pass.
1636         * passes.c (execute_one_pass): Do pass typechecking after execution.
1637         * tree-pass.h (pass_expand): Turn into RTL pass.
1638
1639         * function.h (struct rtl_data): Move here fields
1640         accesses_prior_frames, calls_eh_return, saves_all_registers,
1641         has_nonlocal_goto, has_asm_statement, is_thunk,
1642         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
1643         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
1644         arg_pointer_save_area_init from struct function; turn into bool.
1645         (struct function): Move
1646         calls_eh_return, saves_all_registers, has_nonlocal_goto,
1647         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
1648         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
1649         tail_call_emit, arg_pointer_save_area_init
1650         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
1651         (current_function_returns_struct, current_function_returns_pcc_struct,
1652         current_function_calls_setjmp, current_function_calls_alloca,
1653         current_function_accesses_prior_frames,
1654         current_function_calls_eh_return, current_function_is_thunk,
1655         current_function_stdarg, current_function_profile,
1656         current_function_limit_stack, current_function_uses_pic_offset_table,
1657         current_function_uses_const_pool, current_function_has_nonlocal_label,
1658         current_function_saves_all_registers,
1659         current_function_has_nonlocal_goto,
1660         current_function_has_asm_statement): Remove accesor macros.
1661         * ra-conflict.c (global_conflicts): Update.
1662         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
1663         (suitable_for_tail_call_opt_p): Update.
1664         * builtins.c (expand_builtin_return_addr): Update.
1665         (expand_builtin_setjmp_setup): Update.
1666         (expand_builtin_nonlocal_goto): Update.
1667         * final.c (final_start_function): Update.
1668         (profile_function): Update.
1669         (leaf_function_p): Update.
1670         (only_leaf_regs_used): Update.
1671         * df-scan.c (df_get_exit_block_use_set): Update.
1672         * dojump.c (clear_pending_stack_adjust): Update.
1673         * tree-stdarg.c (gate_optimize_stdarg): Update.
1674         * gimple-low.c (lower_function_body): Update.
1675         * global.c (compute_regsets): Update.
1676         (global_alloc): Update.
1677         * dwarf2out.c (dwarf2out_begin_prologue): Update.
1678         * expr.c (expand_assignment): Update.
1679         * dse.c (dse_step0): Update.
1680         (dse_step1): Update.
1681         * c-decl.c (store_parm_decls): Update.
1682         * local-alloc.c (combine_regs): Update.
1683         (find_free_reg): Update.
1684         * function.c (assign_parms_augmented_arg_list): Update.
1685         (assign_parm_find_data_types): Update.
1686         (assign_parms): Update.
1687         (allocate_struct_function): Update.
1688         (expand_function_start): Update.
1689         (expand_function_end): Update.
1690         (get_arg_pointer_save_area): Update.
1691         (thread_prologue_and_epilogue_insns): Update.
1692         (rest_of_match_asm_constraints): Update.
1693         * stor-layout.c (variable_size): Update.
1694         * gcse.c (gcse_main): Update.
1695         (bypass_jumps): Update.
1696         * gimplify.c (gimplify_function_tree): Update.
1697         * calls.c (emit_call_1): Update.
1698         (expand_call): Update.
1699         * bt-load.c (compute_defs_uses_and_gen): Update.
1700         * except.c (sjlj_assign_call_site_values): Update.
1701         (sjlj_emit_function_enter): Update.
1702         (can_throw_external): Update.
1703         (set_nothrow_function_flags): Update.
1704         (expand_builtin_unwind_init): Update.
1705         (expand_eh_return): Update.
1706         (convert_to_eh_region_ranges): Update.
1707         (output_function_exception_table): Update.
1708         * emit-rtl.c (gen_tmp_stack_mem): Update.
1709         * cfgexpand.c (expand_used_vars): Update.
1710         (tree_expand_cfg): Update.
1711         * cfgcleanup.c (rest_of_handle_jump): Update.
1712         * explow.c (allocate_dynamic_stack_space): Update.
1713         * varasm.c (assemble_start_function): Update.
1714         (force_const_mem): Update.
1715         (mark_constant_pool): Update.
1716         * tree-optimize.c (tree_rest_of_compilation): Update.
1717         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
1718         * tree-cfg.c (notice_special_calls): Update.
1719         (is_ctrl_altering_stmt): Update.
1720         (tree_can_make_abnormal_goto): Update.
1721         (tree_purge_dead_abnormal_call_edges): Update.
1722         * config/alpha/predicates.md: Update.
1723         * config/alpha/alpha.c (alpha_sa_mask): Update.
1724         (alpha_sa_size): Update.
1725         (alpha_does_function_need_gp): Update.
1726         (alpha_expand_prologue): Update.
1727         (alpha_start_function): Update.
1728         (alpha_output_function_end_prologue): Update.
1729         (alpha_expand_epilogue): Update.
1730         * config/frv/frv.c (frv_stack_info): Update.
1731         (frv_expand_epilogue): Update.
1732         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
1733         (s390_register_info): Update.
1734         (s390_frame_info): Update.
1735         (s390_init_frame_layout): Update.
1736         (s390_can_eliminate): Update.
1737         (save_gprs): Update.
1738         * config/spu/spu.c (spu_split_immediate): Update.
1739         (need_to_save_reg): Update.
1740         (spu_expand_prologue): Update.
1741         (spu_expand_epilogue): Update.
1742         * config/sparc/sparc.md: Update.
1743         * config/sparc/sparc.c (eligible_for_return_delay): Update.
1744         (sparc_tls_got): Update.
1745         (legitimize_pic_address): Update.
1746         (sparc_emit_call_insn): Update.
1747         (sparc_expand_prologue): Update.
1748         (output_return): Update.
1749         (print_operand): Update.
1750         (sparc_function_ok_for_sibcall): Update.
1751         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
1752         * config/m32r/m32r.md: Update.
1753         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
1754         (m32r_compute_frame_size): Update.
1755         (m32r_expand_prologue): Update.
1756         (m32r_expand_epilogue): Update.
1757         (m32r_legitimize_pic_address): Update.
1758         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
1759         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
1760         * config/i386/i386.c (ix86_frame_pointer_required): Update.
1761         (gen_push): Update.
1762         (ix86_save_reg): Update.
1763         (ix86_compute_frame_layout): Update.
1764         (ix86_expand_prologue): Update.
1765         (ix86_expand_epilogue): Update.
1766         * config/sh/sh.c (output_stack_adjust): Update.
1767         (calc_live_regs): Update.
1768         (sh5_schedule_saves): Update.
1769         (sh_expand_prologue): Update.
1770         (sh_expand_epilogue): Update.
1771         (sh_setup_incoming_varargs): Update.
1772         (sh_allocate_initial_value): Update.
1773         (sh_get_pr_initial_val): Update.
1774         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
1775         * config/sh/sh.md (label:): Update.
1776         * config/avr/avr.c (out_movhi_mr_r): Update.
1777         * config/crx/crx.h (enum): Update.
1778         * config/xtensa/xtensa.h (along): Update.
1779         * config/stormy16/stormy16.c Update.
1780         (xstormy16_compute_stack_layout): Update.
1781         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
1782         (fr30_expand_prologue): Update.
1783         * config/cris/cris.c (cris_conditional_register_usage): Update.
1784         (cris_reg_saved_in_regsave_area): Update.
1785         (cris_initial_frame_pointer_offset): Update.
1786         (cris_simple_epilogue): Update.
1787         (cris_expand_prologue): Update.
1788         (cris_expand_epilogue): Update.
1789         (cris_expand_pic_call_address): Update.
1790         (cris_asm_output_symbol_ref): Update.
1791         (cris_asm_output_label_ref): Update.
1792         * config/cris/cris.md Update.
1793         * config/iq2000/iq2000.c (compute_frame_size): Update.
1794         (iq2000_expand_epilogue): Update.
1795         * config/mt/mt.h (save_direction): Update.
1796         * config/mn10300/mn10300.c (mn10300_function_value): Update.
1797         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1798         (ia64_secondary_reload_class): Update.
1799         * config/m68k/m68k.c (m68k_save_reg): Update.
1800         (m68k_expand_prologue): Update.
1801         (m68k_expand_epilogue): Update.
1802         (legitimize_pic_address): Update.
1803         * config/rs6000/rs6000.c (rs6000_got_register): Update.
1804         (first_reg_to_save): Update.
1805         (first_altivec_reg_to_save): Update.
1806         (compute_vrsave_mask): Update.
1807         (compute_save_world_info): Update.
1808         (rs6000_stack_info): Update.
1809         (spe_func_has_64bit_regs_p): Update.
1810         (rs6000_ra_ever_killed): Update.
1811         (rs6000_emit_eh_reg_restore): Update.
1812         (rs6000_emit_allocate_stack): Update.
1813         (rs6000_emit_prologue): Update.
1814         (rs6000_emit_epilogue): Update.
1815         (rs6000_output_function_epilogue): Update.
1816         (output_profile_hook): Update.
1817         (rs6000_elf_declare_function_name): Update.
1818         * config/rs6000/rs6000.h (rs6000_args): Update.
1819         * config/rs6000/rs6000.md: Update.
1820         * config/mcore/mcore.c (mcore_expand_prolog): Update.
1821         * config/arc/arc.c (arc_output_function_epilogue): Update.
1822         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
1823         * config/darwin.c (machopic_function_base_name): Update.
1824         * config/score/score3.c (score3_compute_frame_size): Update.
1825         (rpush): Update.
1826         (rpop): Update.
1827         (score3_epilogue): Update.
1828         * config/score/score7.c (score7_compute_frame_size): Update.
1829         (score7_prologue): Update.
1830         (score7_epilogue): Update.
1831         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
1832         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
1833         * config/arm/arm.c (use_return_insn): Update.
1834         (require_pic_register): Update.
1835         (arm_load_pic_register): Update.
1836         (arm_compute_save_reg0_reg12_mask): Update.
1837         (arm_compute_save_reg_mask): Update.
1838         (thumb1_compute_save_reg_mask): Update.
1839         (output_return_instruction): Update.
1840         (arm_output_function_prologue): Update.
1841         (arm_output_epilogue): Update.
1842         (arm_get_frame_offsets): Update.
1843         (arm_expand_prologue): Update.
1844         (thumb_pushpop): Update.
1845         (thumb_exit): Update.
1846         (thumb1_expand_prologue): Update.
1847         (thumb1_expand_epilogue): Update.
1848         (arm_unwind_emit): Update.
1849         (arm_output_fn_unwind): Update.
1850         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
1851         * config/arm/arm.md: Update.
1852         * config/pa/pa.md: Update.
1853         * config/pa/pa.c (legitimize_pic_address): Update.
1854         (compute_frame_size): Update.
1855         (hppa_expand_prologue): Update.
1856         (hppa_expand_epilogue): Update.
1857         (borx_reg_operand): Update.
1858         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
1859         (HARD_REGNO_RENAME_OK): Update.
1860         * config/mips/mips.c (mips_global_pointer): Update.
1861         (mips_save_reg_p): Update.
1862         (mips_compute_frame_info): Update.
1863         (mips_frame_pointer_required): Update.
1864         (mips_expand_prologue): Update.
1865         (mips_expand_epilogue): Update.
1866         (mips_can_use_return_insn): Update.
1867         (mips_reorg_process_insns): Update.
1868         * config/v850/v850.c (compute_register_save_size): Update.
1869         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
1870         * config/mmix/mmix.c (along): Update.
1871         (mmix_expand_epilogue): Update.
1872         * config/bfin/bfin.c (legitimize_pic_address): Update.
1873         (must_save_p): Update.
1874         (stack_frame_needed_p): Update.
1875         (add_to_reg): Update.
1876         (bfin_expand_prologue): Update.
1877         * stmt.c (expand_asm_operands): Update.
1878         * reload1.c (reload): Update.
1879         (init_elim_table): Update.
1880
1881 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
1882         
1883         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
1884         
1885 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
1886
1887         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
1888         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
1889         (mov<mode>): Removed.
1890         (*movv4sf_internal): Likewise.
1891         (*movv2df_internal): Likewise.
1892
1893 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
1894
1895         * config.gcc (crx-*-elf): Remove deprecation.
1896
1897 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
1898
1899         * config/i386/cygming-crtend.c (register_frame_ctor): Register
1900         __gcc_deregister_frame with atexit.
1901         (deregister_frame_dtor): Remove.
1902
1903 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1904             Nathan Sidwell  <nathan@codesourcery.com>
1905
1906         * config/rs6000/rs6000.opt (mspe): Remove Var property.
1907         (misel): Likewise.
1908         * config/rs6000/rs6000.h (rs6000_spe): Declare.
1909         (rs6000_isel): Likewise.
1910         * config/rs6000/rs6000.c (rs6000_spe): New variable.
1911         (rs6000_isel): New variable.
1912         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
1913
1914 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1915
1916         PR c++/35758
1917         * c-common.c (handle_vector_size_attribute): Call
1918         lang_hooks.types.reconstruct_complex_type instead of
1919         reconstruct_complex_type.
1920         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
1921         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
1922         * langhooks.h (struct lang_hooks_for_types): Add
1923         reconstruct_complex_type hook.
1924         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
1925         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
1926
1927 2008-04-24  Richard Guenther  <rguenther@suse.de>
1928
1929         * c-common.h (check_builtin_function_arguments): Declare.
1930         * c-common.c (validate_nargs): New function.
1931         (check_builtin_function_arguments): Likewise.
1932         * c-typeck.c (build_function_call): Call
1933         check_builtin_function_arguments.
1934         * builtins.c (fold_builtin_classify): Remove error reporting code.
1935         (fold_builtin_unordered_cmp): Likewise.
1936         (fold_builtin_1): Likewise.
1937         (fold_builtin_n): Likewise.
1938
1939 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1940
1941         PR tree-optimization/36008
1942         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
1943         the original op1, rather than delta by step.
1944
1945 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
1946             Sebastian Pop  <sebastian.pop@amd.com>
1947
1948         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
1949         eliminate_local_variables_stmt, eliminate_local_variables,
1950         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
1951         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
1952         of code delimited by two edges in the CFG.
1953         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
1954         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
1955         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
1956         the case of parallelisation of reductions.
1957         (expr_invariant_in_region_p): New.
1958
1959         * tree-flow.h (gather_blocks_in_sese_region): Declared.
1960         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
1961
1962 2008-04-24  Ira Rosen  <irar@il.ibm.com>
1963             Richard Guenther  <rguenther@suse.de>
1964
1965         PR tree-optimization/36034
1966         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
1967         incapable of dealing with loads with gaps.
1968
1969 2008-04-24  Rafael Espindola  <espindola@google.com>
1970
1971         * tree-flow.h (vrp_evaluate_conditional): Change signature.
1972         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1973         vrp_evaluate_conditional.
1974         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
1975         (vrp_evaluate_conditional): Split the cond argument.
1976         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
1977         (simplify_stmt_for_jump_threading): Update call to
1978         vrp_evaluate_conditional.
1979
1980 2008-04-24  Ira Rosen  <irar@il.ibm.com>
1981
1982         PR tree-optimization/35982
1983         * tree-vect-analyze.c (vect_check_interleaving): Check that the
1984         interleaved data-refs are of the same type.
1985
1986 2008-04-24  Danny Smith  <dannysmith@users.net>
1987
1988         * c-format.c (check_format_info_main): Use strncmp rather than a
1989         magic prefix to handle multichar length specs.
1990         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
1991         Don't prefix "I64" and "I32" with '\0'.
1992
1993 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1994
1995         PR target/36015
1996         * config/i386/i386.c (init_cumulative_args): Don't pass anything
1997         in registers for -m32 only if stdarg_p (fntype).
1998
1999 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2000
2001         PR rtl-optimization/36006
2002         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2003         temp to op0 in order to avoid invalid rtx sharing.
2004
2005 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2006
2007         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2008         check TREE_INVARIANT.
2009         * tree-gimple.c (is_gimple_address): New.
2010         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2011         * tree-gimple.h (is_gimple_address): New.
2012         * tree.h (decl_address_invariant_p): New.
2013         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2014         (build_string): Likewise.
2015         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2016         (tree_invariant_p_1): Likewise.
2017         (save_expr): Use it.
2018         (tree_invariant_p): New.
2019         (skip_simple_arithmetic): Use it.
2020         (stabilize_reference_1): Use it.
2021         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
2022         simplify.
2023         (build1_stat): Drop code to compute TREE_INVARIANT.
2024         (build2_stat): Drop code to compute TREE_INVARIANT.
2025         (build3_stat): Drop code to compute TREE_INVARIANT.
2026         (build4_stat): Drop code to compute TREE_INVARIANT.
2027         (build5_stat): Drop code to compute TREE_INVARIANT.
2028         (build7_stat): Drop code to compute TREE_INVARIANT.
2029         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
2030         * tree.h (struct tree_base): Remove invariant_flag.
2031         (TREE_INVARIANT): Remove.
2032         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
2033         (fold_builtin_expect): Check TREE_CONSTANT.
2034         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
2035         * c-tree.h (c_expr_to_decl): Drop third parameter.
2036         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
2037         (build_c_cast): Don't set TREE_INVARIANT.
2038         (pop_init_level): Don't set TREE_INVARIANT.
2039         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
2040         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
2041         TREE_CONSTANT.
2042         (gimplify_init_constructor): Don't set TREE_INVARIANT.
2043         (gimplify_addr_expr): Adjust comment.
2044         * tree-mudflap.c (mf_build_string):
2045         * print-tree.c (print_node): Don't print TREE_INVARIANT.
2046         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
2047         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
2048         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
2049         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
2050         * langhooks.h (struct lang_hooks): Drop third parameter from
2051         expr_to_decl.
2052
2053 2008-04-23  Richard Guenther  <rguenther@suse.de>
2054
2055         PR tree-optimization/27799
2056         PR tree-optimization/32921
2057         PR tree-optimization/32624
2058         * tree-ssa-structalias.c (merge_smts_into): Only merge the
2059         SMTs aliases and the tag itself into the solution.
2060         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
2061         merge the points-to solution back into the SMT aliases.
2062         (may_alias_p): Use alias_set_subset_of instead of
2063         aliases_conflict_p.  A pointer which points to
2064         memory with alias set zero may access any variable.
2065
2066 2008-04-23  Richard Guenther  <rguenther@suse.de>
2067
2068         * alias.c (alias_set_subset_of): Correctly handle asking
2069         if zero is a subset of an alias set with zero child.
2070         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
2071         (compute_flow_insensitive_aliasing): Correctly walk all
2072         pointers.  Do not unnecessarily union sets.
2073
2074 2008-04-23  Richard Guenther  <rguenther@suse.de>
2075
2076         PR middle-end/36021
2077         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
2078
2079 2008-04-22  Tomas Bily  <tbily@suse.cz>
2080
2081         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
2082         unreachable case.
2083         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
2084         NON_LVALUE_EXPR.
2085         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2086         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2087         * tree-inline.c (estimate_num_insns_1): Likewise.
2088         * varasm.c (const_hash_1, compare_constant, copy_constant)
2089         (compute_reloc_for_constant, output_addressed_constants): Likewise.
2090         * emit-rtl.c (component_ref_for_mem_expr)
2091         (set_mem_attributes_minus_bitpos): Likewise.
2092         * expr.c (highest_pow2_factor, expand_expr_real_1, )
2093         (is_aligning_offset): Likewise.
2094         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
2095         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2096         * dojump.c (do_jump): Likewise.
2097         * builtins.c (get_pointer_alignment, get_memory_rtx)
2098         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
2099         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
2100
2101 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR rtl-optimization/36017
2104         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
2105         expanding the library call.
2106
2107 2008-04-22  Ian Lance Taylor  <iant@google.com>
2108
2109         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
2110         than size_in_bytes.
2111
2112 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
2113
2114         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
2115         of LR/CTR moves for Power6.
2116
2117 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
2118
2119         PR middle-end/36003
2120         * passes.c (init_optimization_passes): Remove
2121         pass_fast_rtl_byte_dce.
2122         
2123 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
2124
2125         PR target/29096
2126         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
2127         builtin functions to generate faster code.
2128         (_mm_cvtpu16_ps): Ditto.
2129         (_mm_cvtpi32x2_ps): Ditto.
2130
2131 2008-04-22  Nick Clifton  <nickc@redhat.com>
2132
2133         * common.opt (ftree-loop-distribution): Add Optimization
2134         attribute.
2135
2136         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
2137         (frv_expand_builtin_va_start): Likewise.
2138
2139         * config/arm/arm.c (thumb_find_work_register): Fix location of
2140         argument register count.
2141
2142 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2143
2144         Support scheduling for ColdFire V1 and V3 microarchitecture.
2145         Improve scheduling of multiplication instructions.
2146
2147         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
2148         (mac): New instruction attribute.
2149         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
2150         (m68k_sched_mac): New variable.
2151         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
2152         Handle cfv1 and cfv3.
2153         (max_insn_size): New static variable.
2154         (struct _sched_ib): New type.
2155         (sched_ib): New static variable.
2156         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
2157         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
2158         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
2159         Update.
2160         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
2161         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
2162         new variables.  Update.
2163         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2164         Add modeling of cfv3 instruction buffer.  Update.
2165         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
2166         * config/m68k/m68k.h (TUNE_CFV3): New macro.
2167         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
2168         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
2169         a particular reservation applies to.
2170         (type2): Reorganize attribute values.  Rename alu to alu_reg,
2171         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
2172         to mul_l and mul_w.
2173         (cf_ib_*): Simplify description of instruction buffer.
2174         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
2175         (cf_mem): Split into cf_mem1 and cf_mem2.
2176         (cf_v2_move_??): Rename to cfv12_alu_??.
2177         (cf_v2_move_l_??): Rename to cfv12_omove_??.
2178         (cf_v2_mul_??): Remove reservations.
2179         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
2180         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
2181         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
2182         appropriate place.
2183         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
2184         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
2185         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
2186         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
2187         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
2188         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
2189         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
2190         expansions of the above reservations for instructions of sizes
2191         1, 2 and 3 words.
2192
2193 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2194
2195         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
2196
2197 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
2198
2199         * coverage.c: Include tree-pass.h.
2200         (coverage_counter_alloc): Print da_file_name to the dump file.
2201
2202 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
2203
2204         * sbitmap.c (sbitmap_range_empty_p): New function.
2205         * sbitmap.h (sbitmap_range_empty_p): New function.
2206         * bitmap.h: Now includes obstack.h.
2207
2208 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
2209             Kenneth Zadeck  <zadeck@naturalbridge.com>
2210
2211         * dbgcnt.def (ra_byte_scan): Added.
2212         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
2213         when the last hit happens for a counter.  
2214         * timevar.def (TV_DF_BYTE_LR): New variable.
2215         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
2216         * passes.c (pass_fast_rtl_byte_dce): New pass.
2217         * fwprop.c (update_df): Added mode to call df_ref_create.
2218         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2219         DF_REF_EXTRACT_OFFSET.
2220         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
2221         DF_BYTE_LR_OUT, df_byte_lr): New macro.
2222         (df_mm): New enum.
2223         (df_ref_extract): Added mode field.
2224         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
2225         DF_REF_EXTRACT_OFFSET.
2226         (DF_REF_EXTRACT_MODE): New macro.
2227         (df_byte_lr_bb_info): New structure.
2228         (df_print_byte_regset, df_compute_accessed_bytes, 
2229         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
2230         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
2231         df_byte_lr_simulate_uses,
2232         df_byte_lr_simulate_artificial_refs_at_top,
2233         df_byte_lr_simulate_artificial_refs_at_end,
2234         df_compute_accessed_bytes): New function.
2235         (df_ref_create): Add parameter.
2236         (df_byte_lr_get_bb_info): New inline function.
2237         * df-scan.c (df_ref_record, df_uses_record,
2238         df_ref_create_structure): Added mode parameter.
2239         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
2240         df_defs_record, df_uses_record, df_get_conditional_uses,
2241         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
2242         df_entry_block_defs_collect, df_exit_block_uses_collect):
2243         Added mode parameter to calls to df_ref_record, df_uses_record,
2244         df_ref_create_structure.
2245         (df_ref_equal_p, df_ref_compare): Added test for modes.
2246         (df_ref_create_structure): Added code to set mode.  Renamed
2247         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2248         DF_REF_EXTRACT_OFFSET.
2249         * df-core.c (df_print_byte_regset): New function.
2250         * df-byte-scan.c: New file.
2251         * df-problems.c (df_rd_transfer_function): Removed unnecessary
2252         calls to BITMAP_FREE.  
2253         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
2254         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
2255         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
2256         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
2257         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
2258         df_byte_lr_local_compute, df_byte_lr_init,
2259         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
2260         df_byte_lr_transfer_function, df_byte_lr_free, 
2261         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
2262         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
2263         df_byte_lr_simulate_uses,
2264         df_byte_lr_simulate_artificial_refs_at_top,
2265         df_byte_lr_simulate_artificial_refs_at_end): New function.
2266         * dce.c (byte_dce_process_block): New function.
2267         (dce_process_block): au is now passed in rather than computed
2268         locally.  Changed loops that look at artificial defs to not look
2269         for conditional or partial ones, because there never are any.  
2270         (fast_dce): Now is able to drive byte_dce_process_block or 
2271         dce_process_block depending on the kind of dce being done.
2272         (rest_of_handle_fast_dce): Add parameter to fast_dce.
2273         (rest_of_handle_fast_byte_dce): New function.
2274         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
2275         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
2276
2277 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
2278
2279         PR fortran/35019
2280         * gcc.h: Added fortran options that take arguments to
2281         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
2282         macros.
2283
2284 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
2285
2286         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
2287         scalarization if on the LHS and not a full access.
2288
2289 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2290
2291         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
2292
2293 2008-04-18  Rafael Espindola  <espindola@google.com>
2294
2295         * tree-vrp.c (find_case_label_index): Fix the binary search.
2296         (find_case_label_range): New.
2297         (vrp_visit_switch_stmt): Use find_case_label_range.
2298         (simplify_switch_using_ranges): Use find_case_label_range.
2299
2300 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2301
2302         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
2303         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
2304
2305 2008-04-18  Tom Tromey  <tromey@redhat.com>
2306
2307         PR libcpp/15500:
2308         * doc/cpp.texi (Implementation-defined behavior): Mention
2309         -finput-charset.
2310
2311 2008-04-18  Ian Lance Taylor  <iant@google.com>
2312
2313         * fold-const.c (pointer_may_wrap_p): New static function.
2314         (fold_comparison): Add another test for pointer overflow.  Use
2315         pointer_may_wrap_p to disable some false positives.
2316
2317 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
2318           
2319         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
2320         (fname_as_string): Match updated cpp_interpret_string prototype.
2321         (fix_string_type): Support char16_t* and char32_t*.
2322         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
2323         derivative) nodes.  Register as builtin if C++0x.
2324         (c_parse_error): Support CPP_CHAR{16,32}.
2325         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
2326         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
2327         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
2328         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
2329         CTI_CHAR32_ARRAY_TYPE>: New elements.
2330         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
2331         char32_type_node, signed_char32_type_node, char16_array_type_node,
2332         char32_array_type_node): New defines.
2333         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
2334         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
2335         (lex_string): Support CPP_STRING{16,32}, match updated
2336         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
2337         (lex_charconst): Support CPP_CHAR{16,32}.
2338         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
2339         and CPP_STRING{16,32}.
2340
2341 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
2342
2343         PR bootstrap/35457
2344         * aclocal.m4: Regenerate.
2345         * configure: Regenerate.
2346
2347 2008-04-18  Jan Hubicka  <jh@suse.cz>
2348
2349         * except.c (dw2_size_of_call_site_table,
2350         sjlj_size_of_call_site_table): Use vector API for call_site_record.
2351
2352         * cgraphbuild.c (build_cgraph_edges): Update.
2353         * tree-pass.h: Update comment.
2354         * final.c (leaf_function_p): Update.
2355         (leaf_renumber_regs): Update.
2356         (rest_of_clean_state): Update.
2357         * omp-low.c (expand_omp_parallel): Update.
2358         * ipa-reference.c (analyze_function): Update.
2359         * reorg.c (find_end_label): Update.
2360         (optimize_skip): Update.
2361         (fill_simple_delay_slots): Update.
2362         (fill_simple_delay_slots): Update.
2363         (make_return_insns): Update.
2364         (dbr_schedule): Update.
2365         * gimple-low.c (record_vars_into): Update.
2366         * cfgbuild.c (make_edges): Update.
2367         * function.c (assign_stack_local): Update.
2368         (assign_parm_adjust_stack_rtl): Update.
2369         (locate_and_pad_parm): Update.
2370         (allocate_struct_function): Do not initialize stack_alignment_needed
2371         and preferred_stack_boundary here.
2372         (stack_protect_prologue): Update.
2373         (stack_protect_epilogue): Update.
2374         (expand_function_start): Initialize stack_alignment_needed,
2375         preferred_stack_boundary and max_jumptable_ents.
2376         (expand_function_end): Update.
2377         (free_after_compilation): Do not NULLify epilogue_delay_list.
2378         * function.h (struct rtl_data): Add stack_protect_guard,
2379         stack_alignment_needed,
2380         preferred_stack_boundary, epilogue_delay_list.
2381         (struct function): Remove value_histograms, stack_alignment_needed,
2382         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
2383         last_label_uid,
2384         unexpanded_var_list, stack_protect_guard.
2385         (current_function_epilogue_delay_list): Remove.
2386         * ipa-type-escape.c (analyze_function): Update.
2387         * gimplify.c (pop_gimplify_context): Update comment.
2388         * calls.c (expand_call): Update.
2389         (emit_library_call_value_1): Update.
2390         * except.c (set_nothrow_function_flags): Update.
2391         * cfgexpand.c (get_decl_align_unit): Update.
2392         (create_stack_guard): Update.
2393         (estimated_stack_frame_size): Update.
2394         (expand_used_vars): Update.
2395         (tree_expand_cfg): Free histogram earliers, init expansion variables.
2396         * explow.c (allocate_dynamic_stack_space): Update.
2397         * tree-ssa-live.c (remove_unused_locals): Update.
2398         * varasm.c (mark_constant_pool): Update.
2399         * tree-inline.c (remap_decls): Update.
2400         (initialize_cfun): Update.
2401         (declare_return_variable): Update.
2402         (inline_forbidden_p): Update.
2403         (expand_call_inline): Update.
2404         (declare_inline_vars): Update.
2405         (tree_function_versioning): Update.
2406         * tree-flow.h (value_histograms): New.
2407         (VALUE_HISTOGRAMS): New macro.
2408         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
2409         last_label_uid.
2410         * tree-cfg.c (set_bb_for_stmt): Update.
2411         (replace_by_duplicate_decl): Update.
2412         (move_block_to_fn): Update.
2413         (new_label_mapper): Update.
2414         (dump_function_to_file): Update.
2415         * ipa-struct-reorg.c (build_data_structure): Update.
2416         * cfgrtl.c (print_rtl_with_bb): Update.
2417         * reload1.c (reload): Update.
2418         (reload): Update.
2419         * config/i386/i386.c (setup_incoming_varargs_64,
2420         ix86_compute_frame_layout): Update.
2421         * config/arc/arc.c (arc_output_function_epilogue): Update.
2422
2423 2008-04-18  Marius Strobl <marius@FreeBSD.org>
2424
2425         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
2426         for FreeBSD as well.
2427         * gthr-posix95.h: Likewise.
2428
2429 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
2430
2431         PR rtl-optimization/35838
2432         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
2433         out the byte offset of the first subreg.
2434
2435 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
2436
2437         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
2438         to split_ti instead of three separate calls with single member arrays.
2439         (subti3 splitter): Ditto.
2440         (adddi3 splitter): Ditto with split_di.
2441         (subdi3 splitter): Ditto.
2442         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
2443         two separate calls with single member arrays.  Swap match_dup
2444         operands 1 and 2 to better fit into the array.
2445         (negdi2 splitter): Ditto with split_di.
2446         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
2447         two separate calls with single member arrays.  Swap match_dup operands
2448         6 and 7 to better fit into the array.
2449
2450 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
2451
2452         * config/i386/i386.c (sse_builtin_type): New.
2453         (bdesc_sse_args): Likewise.
2454         (bdesc_sse_3arg): Removed.
2455         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
2456         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
2457         IX86_BUILTIN_ROUNDPS.
2458         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
2459         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
2460         IX86_BUILTIN_ROUNDPS.
2461         (ix86_expand_sse_4_operands_builtin): Removed.
2462         (ix86_expand_sse_operands_builtin): New.
2463         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
2464         and CODE_FOR_sse4_1_roundps.
2465         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
2466         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
2467
2468 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
2469
2470         PR target/35907
2471         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
2472         regs before frame pop when needed.  If use_backchain_to_restore_sp
2473         then load backchain into a temp reg to restore vr and vrsave.  Add
2474         code to restore vr after frame pop if possible.
2475
2476 2008-04-17  Richard Guenther  <rguenther@suse.de>
2477
2478         * tree-vn.c (expressions_equal_p): Do not check type
2479         equality or compatibility before calling operand_equal_p.
2480         * fold-const.c (operand_equal_p): Check equivalence of
2481         integer constants before bailing out due to signedness or
2482         precision differences.
2483         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
2484         spurious differences in type qualification.  Ignore types
2485         for COMPONENT_REFs at all.
2486
2487 2008-04-17  Christian Bruel  <christian.bruel@st.com>
2488
2489         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
2490         msw_skip comparison.
2491         
2492 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
2493
2494         PR c/35739
2495         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
2496         reg type.
2497
2498         PR tree-optimization/35899
2499         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
2500         rather than TREE_OPERAND.
2501
2502 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
2503
2504         PR target/35944
2505         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
2506         temporary registers.  Change operand predicate to general_operand.
2507         (remainderxf3): Ditto.
2508
2509 2008-04-16  Richard Guenther  <rguenther@suse.de>
2510
2511         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
2512         * tree-affine.c (aff_combination_expand): Look through some
2513         conversions.
2514
2515 2008-04-15  Doug Kwan  <dougkwan@google.com>
2516
2517         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
2518         for hex printing.
2519         * tree-pretty-print.c (dump_generic_node): Ditto.
2520         * final.c (output_addr_const): Ditto.
2521         * dwarf2out.c (output_cfi): Ditto.
2522         * c-pretty-print.c (pp_c_integer_constant): Ditto.
2523         * print-rtl.c (print_rtx): Ditto.
2524         * print-tree.c (print_node_brief, print_node): Ditto.
2525         * c-common.c (match_case_to_enum_1): Ditto.
2526         * sched-vis.c (print_value): Ditto.
2527         * config/i386/i386.c (print_operand): Cast to long unsigned int
2528         for hex printing.
2529
2530 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
2531         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
2532         MS Windows VirtualProtect function.
2533
2534 2008-04-15  Jan Hubicka  <jh@suse.cz>
2535
2536         * gengtype.c (write_root): Param_is argument is OK.
2537         * expr.c (expand_expr_real_1): Update call of get_exception_*.
2538         * function.h: Include varray.h
2539         (rtl_eh): New stucture based on except.c one.
2540         (call_site_record): New forward declaration and vector type.
2541         * calls.c (emit_call_1): Do not call
2542         note_current_region_may_contain_throw.
2543         * except.c (eh_status): Remove cur_region, try_region since they are
2544         unused.
2545         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
2546         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
2547         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
2548         Remove call_site_data_used, call_site_data_size.
2549         Turn call_site_record into vector in function.h.
2550         (note_current_region_may_contain_throw): Remove.
2551         (get_exception_pointer, get_exception_filter): Do not take struct
2552         function argument; update.
2553         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
2554         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
2555         build_post_landing_pads, dw2_build_landing_pads,
2556         sjlj_assign_call_site_values, sjlj_mark_call_sites,
2557         sjlj_emit_function_enter, sjlj_emit_function_enter, 
2558         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
2559         sjlj_build_landing_pads, finish_eh_generation,
2560         remove_exception_handler_label, remove_eh_handler,
2561         maybe_remove_eh_handler, add_reachable_handler,
2562         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
2563         add_action_record, collect_one_action_chain, add_call_site,
2564         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
2565         sjlj_output_call_site_table, output_function_exception_table,
2566         * except.h (note_current_region_may_contain_throw): Remove
2567         (get_exception_pointer, get_exception_filter): Do not take struct
2568         function argument.
2569         * Makefile.in (GTFILES): Put varargs before struct function.
2570
2571 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
2572
2573         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
2574         punt for STRING_CST.
2575         (get_constraint_for): Deal with STRING_CST here instead.
2576
2577 2008-04-15  Richard Guenther  <rguenther@suse.de>
2578
2579         * tree-ssa-propagate.c (substitute_and_fold): Substitute
2580         statements in a basic-block with a backward walk.  Do not
2581         substitute into dead statements but instead remove those.
2582
2583 2008-04-15  Richard Guenther  <rguenther@suse.de>
2584
2585         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
2586         to zero, thus disable creation of SFTs.
2587
2588 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
2589
2590         * tree-predcom.c (suitable_reference_p): Return false if the
2591         reference can throw.
2592
2593 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
2594
2595         PR c/35751
2596         * c-decl.c (finish_decl): If extern or static var has variable
2597         size, set TREE_TYPE (decl) to error_mark_node.
2598
2599 2008-04-15  Rafael Espindola  <espindola@google.com>
2600
2601         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
2602         variable arg1.
2603
2604 2008-04-15  Richard Guenther  <rguenther@suse.de>
2605
2606         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
2607         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
2608         (visit_reference_op_load): Do walk vuse-vdef chains on
2609         vn_reference_lookup.
2610         (visit_reference_op_store): But do not here.
2611         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
2612         vn_reference_lookup.
2613         (vn_lookup_with_vuses): But do so here.
2614
2615 2008-04-14  Ian Lance Taylor  <iant@google.com>
2616
2617         * fold-const.c (fold_overflow_warning): Remove assertion.
2618
2619 2008-04-15  Ben Elliston  <bje@au.ibm.com>
2620
2621         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
2622         temp1 local variables.
2623
2624 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
2625
2626         PR target/35661
2627         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
2628         ".text.unlikely" section as executable.
2629
2630 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
2631
2632         * config/ia64/ia64.c (rtx_needs_barrier): Handle
2633         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
2634         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
2635         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
2636         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
2637         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
2638         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
2639
2640 2008-04-14  Ian Lance Taylor  <iant@google.com>
2641
2642         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
2643         * fold-const.c (fold_comparison): If appropriate, test
2644         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
2645         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
2646         reassociating a pointer type.
2647         * doc/invoke.texi (Optimize Options): Document that
2648         -fstrict-overflow applies to pointer wraparound.
2649
2650 2008-04-13  Jan Hubicka  <jh@suse.cz>
2651
2652         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
2653
2654 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
2655
2656         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
2657         we are going to "save the world".
2658
2659 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
2660
2661         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
2662         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
2663         operand 0 constraint, not "=".
2664
2665 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
2666
2667         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
2668
2669 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
2670
2671         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
2672         of size of positions_needed * CHAR_BIT.
2673
2674 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
2675
2676         PR middle-end/35897
2677         * dse.c (store_info): Change positions_needed to unsigned
2678         HOST_WIDE_INT.
2679         (lowpart_bitmask): New.
2680         (record_store): Cast to unsigned HOST_WIDE_INT for
2681         positions_needed.  Assert width <= size of positions_needed *
2682         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
2683         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
2684         lowpart_bitmask to set mask.
2685
2686 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2687
2688         * config/bfin/constraints.md: New file.
2689         * config/bfin/bfin.md: Include it.
2690         (adddi3): Use satisfies_constraint functions instead of the old macros.
2691         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
2692         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
2693         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
2694         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
2695         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
2696         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
2697         EXTRA_CONSTRAINT): Delete.
2698         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
2699         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
2700         of the old macros.
2701         * config/bfin/bfin.c: Include "tm-constrs.h".
2702         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
2703         Use satisfies_constraint functions instead of the old macros.
2704         * doc/md.texi (Blackfin Constraints): Update file name reference.
2705
2706 2008-04-11  Richard Guenther  <rguenther@suse.de>
2707
2708         PR tree-optimization/35869
2709         * tree-vrp.c (execute_vrp): Move switch statement update after
2710         jump threading.  Schedule another cfg cleanup run.
2711
2712 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
2713
2714         PR c/35744
2715         * attribs.c (decl_attributes): Return early on errorneous node.
2716
2717 2008-04-10  Oleg Ryjkov  <olegr@google.com>
2718
2719         * tree.h (struct tree_base): Added a new flag default_def_flag.
2720         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
2721
2722 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2723
2724         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
2725
2726 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2727
2728         PR target/35768
2729         * pa.md: Define mode iterator P.  Define mode attribute dwc.
2730         (dcacheflush): Update pattern to use iterator P and attribute dwc.
2731         (icacheflush): Likewise.
2732         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
2733         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
2734
2735 2008-04-11  Ben Elliston  <bje@au.ibm.com>
2736
2737         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
2738
2739 2008-04-10  Rafael Espindola  <espindola@google.com>
2740
2741         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
2742         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
2743         (extract_range_from_expr): The same.
2744
2745 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
2746
2747         * config/mips/mips.md (GPR2): New mode iterator.
2748         (seq): Add comment.
2749         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
2750         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
2751         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
2752         Rewrite these to take two modes, the mode of comparison and the
2753         mode of the destination.
2754         * config/mips/mips.c (mips_expand_scc): Instead of having
2755         paradoxical subreg as destination, expand "narrowing" scc if mode
2756         of comparison is SI and target is requested in DI mode.
2757         (mips_emit_int_order_test): Update comment.  Make mode of
2758         comparison match CMP0 rather than TARGET.  When creating inverse
2759         target use mode of TARGET.
2760
2761 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
2762
2763         * gcov-dump.c (tag_summary): Only print summaries for the first
2764         GCOV_COUNTERS_SUMMABLE counters.
2765
2766 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
2767
2768         * config/i386/i386.md (absneg): New code iterator.
2769         (absnegprefix): New code attribute.
2770         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
2771         patterns using absneg code iterator.
2772         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
2773         using absneg code iterator.
2774         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
2775         *neg<mode>2 patterns using absneg code iterator.
2776         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
2777         *negextendsfdf2 patterns using absneg code iterator.
2778         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
2779         *negextendsfxf2 patterns using absneg code iterator.
2780         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
2781         *negextendsfdf2 patterns using absneg code iterator.
2782         * config/i386/sse.md (<code><mode>2): Macroize expander from
2783         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
2784
2785 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2786
2787         * config/s390/s390.h: Remove the remains of the recent search
2788         & replace action of current_function_outgoing_args_size.
2789
2790 2008-04-10  Ira Rosen  <irar@il.ibm.com>
2791
2792         PR tree-optimization/35821
2793         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
2794         NEW_STMT_LIST is not NULL.
2795
2796 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
2797
2798         PR libstdc++/35597
2799         * toplev.c (process_options): Remove -ffunction-sections debugging
2800         warning.
2801
2802 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
2803
2804         PR middle-end/PR28690
2805         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
2806         than gen_rtx_fmt_ee to perform more canonicalizations.
2807
2808 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2809
2810         PR driver/35665
2811         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
2812
2813 2008-04-09  Richard Guenther  <rguenther@suse.de>
2814
2815         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
2816         (dump_function_to_file): Dump function arguments with types.
2817
2818 2008-04-08  Richard Guenther  <rguenther@suse.de>
2819
2820         * fold-const.c (fold_widened_comparison): Do not allow
2821         sign-changes that change the result.
2822
2823 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
2824
2825         PR target/35839
2826         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
2827         kinds of indirect references.
2828
2829 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
2830
2831         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
2832         GNU Fortran language string.
2833
2834 2008-04-08  Rafael Espindola  <espindola@google.com>
2835
2836         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
2837         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
2838         * tree.h (tree_call_nonnegative_warnv_p): New.
2839
2840 2008-04-08  Jan Hubicka  <jh@suse.cz>
2841
2842         * function.c (free_after_compilation): Clear out regno_reg_rtx
2843         pointer.
2844
2845 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
2846
2847         Revert
2848         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
2849
2850         PR middle-end/PR28690
2851         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
2852         same precedence as REG_POINTER and MEM_POINTER operands.
2853
2854 2008-04-08  Richard Guenther  <rguenther@suse.de>
2855
2856         PR middle-end/35834
2857         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
2858         for adding index to base.
2859
2860 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
2861
2862         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
2863         (MINGW_ENABLE_EXECUTE_STACK): New.
2864         (IN_LIBGCC2): For libgcc include windows.h file for
2865         function declarations.
2866
2867 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
2868
2869         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
2870         and tem2 if tem1 is not a REG or MULT.
2871
2872 2008-04-08  Jan Hubicka  <jh@suse.cz>
2873
2874         * function.h (incomming_args): Break out of struct function.
2875         (function_subsections): Break out of struct function.
2876         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
2877         return_rtx and hard_reg_initial_vals from struct function.
2878         Kill inl_max_label_num.
2879         (current_function_pops_args, current_function_args_info,
2880         current_function_args_size, current_function_args_size,
2881         current_function_pretend_args_size,
2882         current_function_outgoing_args_size,
2883         current_function_internal_arg_pointer, current_function_return_rtx):
2884         Kill compatibility accestor macros.
2885         * builtins.c (expand_builtin_apply_args_1): Update.
2886         (expand_builtin_next_arg): Update.
2887         * df-scan.c (df_get_call_refs): Update.
2888         * dbxout.c (dbxout_function_end): Update.
2889         * dwarf2out.c (dwarf2out_switch_text_section): Update.
2890         (output_line_info): Update.
2891         (secname_for_decl): Update.
2892         (dwarf2out_var_location): Update.
2893         * function.c (free_after_compilation): Update.
2894         (assign_parm_find_stack_rtl): Update.
2895         (assign_parms): Update.
2896         (expand_dummy_function_end): Update.
2897         (expand_function_end): Update.
2898         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
2899         (expand_call): Update.
2900         (emit_library_call_value_1): Update.
2901         (store_one_arg): Update.
2902         * varasm.c (initialize_cold_section_name): Update.
2903         (unlikely_text_section): Update.
2904         (unlikely_text_section_p): Update.
2905         (assemble_start_function): Update.
2906         (assemble_end_function): Update.
2907         (default_section_type_flags): Update.
2908         (switch_to_section): Update.
2909         * integrate.c (set_decl_abstract_flags): Update.
2910         (get_hard_reg_initial_val): Update.
2911         (has_hard_reg_initial_val): Update.
2912         (allocate_initial_values): Update.
2913         * resource.c (init_resource_info): Update.
2914         * config/alpha/alpha.c (NUM_ARGS): Update.
2915         (direct_return): Update.
2916         (alpha_va_start): Update.
2917         (alpha_sa_size): Update.
2918         (alpha_initial_elimination_offset): Update.
2919         (alpha_expand_prologue): Update.
2920         (alpha_start_function): Update.
2921         (alpha_expand_epilogue): Update.
2922         (unicosmk_initial_elimination_offset):
2923         * config/alpha/alpha.md (call expander): Update.
2924         * config/s390/s390.c (s390_register_info): Update.
2925         (s390_register_info): Update.
2926         (s390_frame_info): Update.
2927         (s390_initial_elimination_offset): Update.
2928         (s390_build_builtin_va_list): Update.
2929         (s390_va_start): Update.
2930         * config/spu/spu.c (direct_return): Update.
2931         (spu_expand_prologue): Update.
2932         (spu_initial_elimination_offset): Update.
2933         (spu_build_builtin_va_list): Update.
2934         (spu_va_start): Update.
2935         * config/sparc/sparc.c (sparc_init_modes): Update.
2936         (sparc_compute_frame_size): Update.
2937         (function_value): Update.
2938         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
2939         * config/i386/i386.md (return expander): Update.
2940         * config/i386/i386.c (ix86_va_start): Update.
2941         (ix86_can_use_return_insn_p): Update.
2942         (ix86_compute_frame_layout): Update.
2943         (ix86_expand_epilogue): Update.
2944         * config/sh/sh.c (output_stack_adjust): Update.
2945         (calc_live_regs): Update.
2946         (sh_expand_prologue): Update.
2947         (sh_builtin_saveregs): Update.
2948         (sh_va_start): Update.
2949         (initial_elimination_offset): Update.
2950         (sh_allocate_initial_value): Update.
2951         (sh_function_ok_for_sibcall): Update.
2952         (sh_get_pr_initial_val): Update.
2953         * config/sh/sh.md (return expander): Update.
2954         * config/avr/avr.c (frame_pointer_required_p): UPdate.
2955         * config/crx/crx.c (crx_compute_frame): UPdate.
2956         (crx_initial_elimination_offset): UPdate.
2957         * config/xtensa/xtensa.c (compute_frame_size): Update
2958         (xtensa_builtin_saveregs): Update.
2959         (xtensa_va_start): Update.
2960         (order_regs_for_local_alloc): Update.
2961         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
2962         (xstormy16_expand_builtin_va_start): Update.
2963         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
2964         * config/m68hc11/m68hc11.md (return expanders): Update.
2965         * config/m68hc11/m68hc11.c (expand_prologue): Update.
2966         (expand_epilogue): Update.
2967         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
2968         (cris_simple_epilogue): Update.
2969         (cris_expand_prologue): Update.
2970         (cris_expand_epilogue): Update.
2971         * config/iq2000/iq2000.c (iq2000_va_start): Update.
2972         (compute_frame_size): Update.
2973         * config/mt/mt.c (mt_compute_frame_size): Update.
2974         * config/mn10300/mn10300.c (expand_prologue): Update.
2975         (expand_epilogue): Update.
2976         (initial_offset): Update.
2977         (mn10300_builtin_saveregs):
2978         * config/mn10300/mn10300.md (return expander): Update.
2979         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2980         (ia64_initial_elimination_offset): Update.
2981         (ia64_initial_elimination_offset): Update.
2982         (ia64_expand_prologue): Update.
2983         * config/m68k/m68k.md (return expander): Update.
2984         * config/rs6000/rs6000.c (rs6000_va_start): Update.
2985         (rs6000_stack_info): Update.
2986         * config/mcore/mcore.c (layout_mcore_frame): Update.
2987         (mcore_expand_prolog): Update.
2988         * config/arc/arc.c (arc_compute_frame_size): Update.
2989         * config/score/score3.c (score3_compute_frame_size): Update.
2990         * config/score/score7.c (score7_compute_frame_size): Update.
2991         * config/arm/arm.c (use_return_insn): Update.
2992         (thumb_find_work_register): Update.
2993         (arm_compute_save_reg_mask): Update.
2994         (arm_output_function_prologue): Update.
2995         (arm_output_epilogue): Update.
2996         (arm_size_return_regs): Update.
2997         (arm_get_frame_offsets): Update.
2998         (arm_expand_prologue): Update.
2999         (thumb_exit): Update.
3000         (thumb_unexpanded_epilogue): Update.
3001         (thumb1_output_function_prologue): Update.
3002         * config/pa/pa.md (return expander): Update.
3003         * config/pa/pa.c (compute_frame_size): Update.
3004         (hppa_builtin_saveregs): Update.
3005         * config/mips/mips.c (mips_va_start): Update.
3006         (mips16_build_function_stub): Update.
3007         (mips_compute_frame_info): Update.
3008         (mips_restore_gp): Update.
3009         (mips_output_function_prologue): Update.
3010         (mips_expand_prologue): Update.
3011         * config/v850/v850.c (compute_frame_size): Update.
3012         (expand_prologue): * config/mmix/mmix.c (along): update.
3013         (mmix_initial_elimination_offset): update.
3014         (mmix_reorg): update.
3015         (mmix_use_simple_return): update.
3016         (mmix_expand_prologue): update.
3017         (mmix_expand_epilogue): Update.
3018         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
3019         (emit_link_insn): Update.
3020
3021 2008-04-08  Anatoly Sokolov <aesok@post.ru>
3022
3023         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
3024         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
3025         instructions.
3026         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
3027         atmega103 device.
3028
3029 2008-04-07  Jan Hubicka  <jh@suse.cz>
3030
3031         * function.h (rtl): Rename to x_rtl.
3032         (crtl): New define.
3033         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3034         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3035         used_temp_slots avail_temp_slots, temp_slot_level,
3036         nonlocal_goto_handler_labels): Update accesstors.
3037         (rtl): New global variable.
3038         (struct function): Move some fileds to rtl_data.
3039         (get_arg_pointer_save_area): Update prototype.
3040         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3041         get_arg_pointer_save_area.
3042         * expr.c (init_expr): Update
3043         * function.c (get_frame_size): Update
3044         (assign_stack_local): Update
3045         (expand_function_end): Update.
3046         (get_art_pointer_save_area): Update
3047         * function.h 
3048         * emit-rtl.c (rtl): Declare.
3049         (regno_reg_rtx): Declare.
3050         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3051         Update.
3052         (gen_reg_rtx): Update.
3053         * varasm.c (n_deferred_constatns): Update accestor.
3054         (init_varasm_status): Do not allocate varasm_status.
3055         (force_const_mem, get_pool_size, output_constant_pool): Update.
3056         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3057         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3058         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
3059         * sparc/sparc.h (INIT_EXPANDERS): Update.
3060         * ia64/ia64.h (INIT_EXPANDERS): Update.
3061
3062 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
3063
3064         * reload.c (push_secondary_reload): Add missing break to for loop.
3065
3066 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3067
3068         PR middle-end/PR28690
3069         * rtlanal.c: Update copyright years.
3070         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
3071         as REG_POINTER and MEM_POINTER operands.
3072         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
3073         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
3074         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
3075         * gcse.c: Update copyright years.
3076         (pre_delete): Call gen_reg_rtx_and_attrs.
3077         (hoist_code): Likewise.
3078         (build_store_vectors): Likewise.
3079         (delete_store): Likewise.
3080         * loop-invariant.c (move_invariant_reg): Likewise.
3081         Update copyright years.
3082
3083 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
3084
3085         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
3086         control string instead of quoted.
3087
3088 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3089
3090         * doc/rtl.texi: Rewrite of subreg section.
3091
3092 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
3093
3094         PR/35842
3095         * config/i386/i386.c (legitimize_pic_address): Add treating
3096         of dllimport SYM_REF's.
3097         (legitimize_dllimport_symbol): Add prototype.
3098
3099 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3100
3101         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
3102         reference in constructor with non self-referential type.
3103
3104 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3105
3106         Removal of Return with Depressed Stack Pointer support
3107         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
3108         (ECF_SP_DEPRESSED): Likewise.
3109         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
3110         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
3111         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3112         (expand_call): Do not test ECF_SP_DEPRESSED.
3113         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3114         * function.c (keep_stack_depressed): Delete.
3115         (handle_epilogue_set): Likewise.
3116         (update_epilogue_consts): Likewise.
3117         (emit_equiv_load): Likewise.
3118         (thread_prologue_and_epilogue_insns): Remove support for Return with
3119         Depressed Stack Pointer.
3120         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3121
3122 2008-04-06  Richard Guenther  <rguenther@suse.de>
3123
3124         PR tree-optimization/35400
3125         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
3126         information from SSA_NAMEs.
3127
3128 2008-04-06  Anatoly Sokolov <aesok@post.ru>
3129
3130         * config/avr/avr.h (avr_mega_p): Remove declaration.
3131         (AVR_MEGA): Remove macro.
3132         * config/avr/avr.c (avr_mega_p): Remove variable.
3133         (avr_override_options): Remove inicializion of avr_mega_p.
3134         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3135         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3136         (avr_jump_mode): (Ditto.).
3137         (avr_output_progmem_section_asm_op): (Ditto.).
3138         (avr_asm_init_sections): (Ditto.).
3139         (avr_asm_init_sections): (Ditto.).
3140         (avr_rtx_costs): (Ditto.).
3141         * config/avr/avr.md: (Ditto.).
3142         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
3143         '__AVR_MEGA__'.
3144
3145 2008-04-06  Richard Guenther  <rguenther@suse.de>
3146
3147         PR tree-optimization/35842
3148         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
3149         is_gimple_invariant_address.
3150
3151 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3152
3153         * gcc.c (default_compilers): Sync Fortran extensions list with
3154         that in fortran/lang-specs.h.
3155         * doc/invoke.texi: Likewise.
3156         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
3157         * dwarf2out.c (gen_compile_unit_die): Likewise.
3158
3159 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
3160
3161         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
3162
3163 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
3164
3165         PR target/12329
3166         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
3167         attribute is used for nested functions.
3168
3169 2008-04-05  Jan Hubicka  <jh@suse.cz>
3170
3171         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
3172
3173         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
3174         letter argument.
3175         (dump_files): Update.
3176         (enable_rtl_dump_file): Do not accept letter argument.
3177         * tree-pass.h (dump_file_info): Remove letter argument.
3178         * toplev.c (decode_d_option): Update -da handling.
3179         * toplev.h (enable_rtl_dump_file): Update prototype.
3180         * passes.c (register_one_dump_file): Do not accept IPA argument; work
3181         it out based on pass type.
3182         (register_dump_files_1): Likewise.
3183         (init_optimization_passes): Update register_one_dump_file calls.
3184         (execute_one_pass): Sanity check that IPA passes are called at IPA
3185         level and RTL passes at RTL level.
3186         (execute_pass_list): IPA pass can not be after or subpass of
3187         GIMPLE/RTL pass.
3188         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
3189         disallov RTL subpasses of IPA subpasses.
3190
3191 2008-04-05  Ben Elliston  <bje@au.ibm.com>
3192
3193         * tree-cfg.c (need_fake_edge_p): Return false for calls to
3194         builtins that return exactly once and do not throw. Cache call to
3195         call_expr_flags.
3196
3197 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
3198
3199         PR rtl-optimization/34916
3200         PR middle-end/35519
3201         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
3202         between instruction pairs.
3203
3204 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
3205
3206         * doc/invoke.texi: Document -mbitops for SH.
3207         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
3208         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
3209         * config/sh/sh.c (print_operand): Add %t operand code.
3210         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
3211         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
3212         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
3213         (extendqihi2): Likewise.
3214         (movqi_i): Likewise.
3215         (insv): Use bset, bclr and bst instructions for SH2A if possible.
3216         (extv): Use bld instruction for SH2A if possible.
3217         (extzv): Likewise.
3218         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
3219         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
3220         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
3221         (bset.b, bclr.b): Define peepholes.
3222         * config/sh/sh.opt (mbitops): New option.
3223
3224 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
3225
3226         PR target/35620
3227         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
3228         and view convert expression.
3229
3230 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3231
3232         PR target/35364
3233         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
3234
3235 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
3236
3237         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
3238
3239         * config/i386/cpuid.h (bit_AES): New.
3240         (bit_PCLMUL): Likewise.
3241
3242         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
3243         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
3244         SSE2 if AES or PCLMUL is enabled.
3245         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
3246         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3247         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
3248         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
3249         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
3250         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
3251         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3252         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
3253         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
3254         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
3255         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
3256         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
3257         __builtin_ia32_aeskeygenassist128 and
3258         __builtin_ia32_pclmulqdq128.
3259         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
3260         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
3261         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
3262
3263         * config/i386/i386.h (TARGET_AES): New.
3264         (TARGET_PCLMUL): Likewise.
3265         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
3266
3267         * config/i386/i386.md (UNSPEC_AESENC): New.
3268         (UNSPEC_AESENCLAST): Likewise.
3269         (UNSPEC_AESDEC): Likewise.
3270         (UNSPEC_AESDECLAST): Likewise.
3271         (UNSPEC_AESIMC): Likewise.
3272         (UNSPEC_AESKEYGENASSIST): Likewise.
3273         (UNSPEC_PCLMUL): Likewise.
3274
3275         * config/i386/i386.opt (maes): New.
3276         (mpclmul): Likewise.
3277
3278         * config/i386/sse.md (aesenc): New pattern.
3279         (aesenclast): Likewise.
3280         (aesdec): Likewise.
3281         (aesdeclast): Likewise.
3282         (aesimc): Likewise.
3283         (aeskeygenassist): Likewise.
3284         (pclmulqdq): Likewise.
3285
3286         * config/i386/wmmintrin.h: New.
3287
3288         * doc/extend.texi: Document AES and PCLMUL built-in function.
3289
3290         * doc/invoke.texi: Document -maes and -mpclmul.
3291
3292 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
3293
3294         * function.c (free_after_parsing): Replace with
3295         cxx_push_function_context from C++ front-end.
3296         (allocate_struct_function): Don't call langhook.
3297         * langhooks.h (struct lang_hooks_for_functions): Delete.
3298         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
3299         member "function".
3300         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
3301         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
3302         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
3303         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
3304         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
3305         remove LANG_HOOKS_FUNCTION_INITIALIZER.
3306         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
3307
3308         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
3309         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
3310         
3311 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3312
3313         PR c/35440
3314         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
3315         for all types.
3316
3317 2008-04-04  Richard Guenther  <rguenther@suse.de>
3318
3319         PR middle-end/35823
3320         * fold-const.c (optimize_minmax_comparison): Use the correct
3321         type for the constant in the simplified comparison.
3322
3323 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
3324
3325         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
3326         Pass L2 size as "--param l2-cache-size" to the compiler.
3327         (decode_l2_cache): New function to decode L2 cache parameters using
3328         0x8000006 extended cpuid function.
3329         (detect_caches_amd): Determine parameters of L2 cache using
3330         decode_l2_caches function.
3331         (decode_caches_intel): Decode L2 cache parameters.
3332         (detect_caches_intel): Determine L2 cache parameters using
3333         decode_caches_intel and decode_l2_caches functions.
3334
3335 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
3336
3337         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
3338         secondary input reload for subword loads from the constant pool.
3339
3340 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
3341
3342         PR target/35713
3343         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
3344           constants of the appropriate size for runtime calculations.
3345
3346         PR c/35712
3347         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
3348           decimal-float literal constant zero.
3349
3350 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
3351
3352         PR c/35738
3353         * c-parser.c (c_parser_omp_atomic): Call
3354         default_function_array_conversion on the RHS.
3355
3356         PR middle-end/35818
3357         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
3358         call is_variable_sized if decl has incomplete type.
3359
3360 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
3361
3362         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
3363
3364 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
3365
3366         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
3367         iterators.
3368         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
3369         (sgt<u>): Merge sgt and sgtu into new expander.
3370         (sgt, sgtu): Remove expanders.
3371         (*sgt<u>_<mode>): Merge *sgt_